From f587de0e2feb9eb9b94f98d0a7b7437e4d6617b4 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Sat, 2 Dec 2006 22:08:46 -0800 Subject: [NETFILTER]: nf_conntrack/nf_nat: add H.323 helper port Add IPv4 and IPv6 capable nf_conntrack port of the H.323 conntrack/NAT helper. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller diff --git a/include/linux/netfilter/nf_conntrack_h323.h b/include/linux/netfilter/nf_conntrack_h323.h new file mode 100644 index 0000000..08e2f49 --- /dev/null +++ b/include/linux/netfilter/nf_conntrack_h323.h @@ -0,0 +1,92 @@ +#ifndef _NF_CONNTRACK_H323_H +#define _NF_CONNTRACK_H323_H + +#ifdef __KERNEL__ + +#include + +#define RAS_PORT 1719 +#define Q931_PORT 1720 +#define H323_RTP_CHANNEL_MAX 4 /* Audio, video, FAX and other */ + +/* This structure exists only once per master */ +struct nf_ct_h323_master { + + /* Original and NATed Q.931 or H.245 signal ports */ + __be16 sig_port[IP_CT_DIR_MAX]; + + /* Original and NATed RTP ports */ + __be16 rtp_port[H323_RTP_CHANNEL_MAX][IP_CT_DIR_MAX]; + + union { + /* RAS connection timeout */ + u_int32_t timeout; + + /* Next TPKT length (for separate TPKT header and data) */ + u_int16_t tpkt_len[IP_CT_DIR_MAX]; + }; +}; + +struct nf_conn; + +extern int get_h225_addr(struct nf_conn *ct, unsigned char *data, + TransportAddress *taddr, + union nf_conntrack_address *addr, __be16 *port); +extern void nf_conntrack_h245_expect(struct nf_conn *new, + struct nf_conntrack_expect *this); +extern void nf_conntrack_q931_expect(struct nf_conn *new, + struct nf_conntrack_expect *this); +extern int (*set_h245_addr_hook) (struct sk_buff **pskb, + unsigned char **data, int dataoff, + H245_TransportAddress *taddr, + union nf_conntrack_address *addr, + __be16 port); +extern int (*set_h225_addr_hook) (struct sk_buff **pskb, + unsigned char **data, int dataoff, + TransportAddress *taddr, + union nf_conntrack_address *addr, + __be16 port); +extern int (*set_sig_addr_hook) (struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, + TransportAddress *taddr, int count); +extern int (*set_ras_addr_hook) (struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, + TransportAddress *taddr, int count); +extern int (*nat_rtp_rtcp_hook) (struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + H245_TransportAddress *taddr, + __be16 port, __be16 rtp_port, + struct nf_conntrack_expect *rtp_exp, + struct nf_conntrack_expect *rtcp_exp); +extern int (*nat_t120_hook) (struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + H245_TransportAddress *taddr, __be16 port, + struct nf_conntrack_expect *exp); +extern int (*nat_h245_hook) (struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + TransportAddress *taddr, __be16 port, + struct nf_conntrack_expect *exp); +extern int (*nat_callforwarding_hook) (struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + TransportAddress *taddr, + __be16 port, + struct nf_conntrack_expect *exp); +extern int (*nat_q931_hook) (struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, TransportAddress *taddr, + int idx, __be16 port, + struct nf_conntrack_expect *exp); + +#endif + +#endif diff --git a/include/linux/netfilter/nf_conntrack_h323_asn1.h b/include/linux/netfilter/nf_conntrack_h323_asn1.h new file mode 100644 index 0000000..8dab596 --- /dev/null +++ b/include/linux/netfilter/nf_conntrack_h323_asn1.h @@ -0,0 +1,98 @@ +/**************************************************************************** + * ip_conntrack_h323_asn1.h - BER and PER decoding library for H.323 + * conntrack/NAT module. + * + * Copyright (c) 2006 by Jing Min Zhao + * + * This source code is licensed under General Public License version 2. + * + * + * This library is based on H.225 version 4, H.235 version 2 and H.245 + * version 7. It is extremely optimized to decode only the absolutely + * necessary objects in a signal for Linux kernel NAT module use, so don't + * expect it to be a full ASN.1 library. + * + * Features: + * + * 1. Small. The total size of code plus data is less than 20 KB (IA32). + * 2. Fast. Decoding Netmeeting's Setup signal 1 million times on a PIII 866 + * takes only 3.9 seconds. + * 3. No memory allocation. It uses a static object. No need to initialize or + * cleanup. + * 4. Thread safe. + * 5. Support embedded architectures that has no misaligned memory access + * support. + * + * Limitations: + * + * 1. At most 30 faststart entries. Actually this is limited by ethernet's MTU. + * If a Setup signal contains more than 30 faststart, the packet size will + * very likely exceed the MTU size, then the TPKT will be fragmented. I + * don't know how to handle this in a Netfilter module. Anybody can help? + * Although I think 30 is enough for most of the cases. + * 2. IPv4 addresses only. + * + ****************************************************************************/ + +#ifndef _NF_CONNTRACK_HELPER_H323_ASN1_H_ +#define _NF_CONNTRACK_HELPER_H323_ASN1_H_ + +/***************************************************************************** + * H.323 Types + ****************************************************************************/ +#include "nf_conntrack_h323_types.h" + +typedef struct { + enum { + Q931_NationalEscape = 0x00, + Q931_Alerting = 0x01, + Q931_CallProceeding = 0x02, + Q931_Connect = 0x07, + Q931_ConnectAck = 0x0F, + Q931_Progress = 0x03, + Q931_Setup = 0x05, + Q931_SetupAck = 0x0D, + Q931_Resume = 0x26, + Q931_ResumeAck = 0x2E, + Q931_ResumeReject = 0x22, + Q931_Suspend = 0x25, + Q931_SuspendAck = 0x2D, + Q931_SuspendReject = 0x21, + Q931_UserInformation = 0x20, + Q931_Disconnect = 0x45, + Q931_Release = 0x4D, + Q931_ReleaseComplete = 0x5A, + Q931_Restart = 0x46, + Q931_RestartAck = 0x4E, + Q931_Segment = 0x60, + Q931_CongestionCtrl = 0x79, + Q931_Information = 0x7B, + Q931_Notify = 0x6E, + Q931_Status = 0x7D, + Q931_StatusEnquiry = 0x75, + Q931_Facility = 0x62 + } MessageType; + H323_UserInformation UUIE; +} Q931; + +/***************************************************************************** + * Decode Functions Return Codes + ****************************************************************************/ + +#define H323_ERROR_NONE 0 /* Decoded successfully */ +#define H323_ERROR_STOP 1 /* Decoding stopped, not really an error */ +#define H323_ERROR_BOUND -1 +#define H323_ERROR_RANGE -2 + + +/***************************************************************************** + * Decode Functions + ****************************************************************************/ + +int DecodeRasMessage(unsigned char *buf, size_t sz, RasMessage * ras); +int DecodeQ931(unsigned char *buf, size_t sz, Q931 * q931); +int DecodeMultimediaSystemControlMessage(unsigned char *buf, size_t sz, + MultimediaSystemControlMessage * + mscm); + +#endif diff --git a/include/linux/netfilter/nf_conntrack_h323_types.h b/include/linux/netfilter/nf_conntrack_h323_types.h new file mode 100644 index 0000000..38d74d5 --- /dev/null +++ b/include/linux/netfilter/nf_conntrack_h323_types.h @@ -0,0 +1,951 @@ +/* Generated by Jing Min Zhao's ASN.1 parser, Apr 20 2006 + * + * Copyright (c) 2006 Jing Min Zhao + * + * This source code is licensed under General Public License version 2. + */ + +typedef struct TransportAddress_ipAddress { /* SEQUENCE */ + int options; /* No use */ + unsigned ip; +} TransportAddress_ipAddress; + +typedef struct TransportAddress_ip6Address { /* SEQUENCE */ + int options; /* No use */ + unsigned ip6; +} TransportAddress_ip6Address; + +typedef struct TransportAddress { /* CHOICE */ + enum { + eTransportAddress_ipAddress, + eTransportAddress_ipSourceRoute, + eTransportAddress_ipxAddress, + eTransportAddress_ip6Address, + eTransportAddress_netBios, + eTransportAddress_nsap, + eTransportAddress_nonStandardAddress, + } choice; + union { + TransportAddress_ipAddress ipAddress; + TransportAddress_ip6Address ip6Address; + }; +} TransportAddress; + +typedef struct DataProtocolCapability { /* CHOICE */ + enum { + eDataProtocolCapability_nonStandard, + eDataProtocolCapability_v14buffered, + eDataProtocolCapability_v42lapm, + eDataProtocolCapability_hdlcFrameTunnelling, + eDataProtocolCapability_h310SeparateVCStack, + eDataProtocolCapability_h310SingleVCStack, + eDataProtocolCapability_transparent, + eDataProtocolCapability_segmentationAndReassembly, + eDataProtocolCapability_hdlcFrameTunnelingwSAR, + eDataProtocolCapability_v120, + eDataProtocolCapability_separateLANStack, + eDataProtocolCapability_v76wCompression, + eDataProtocolCapability_tcp, + eDataProtocolCapability_udp, + } choice; +} DataProtocolCapability; + +typedef struct DataApplicationCapability_application { /* CHOICE */ + enum { + eDataApplicationCapability_application_nonStandard, + eDataApplicationCapability_application_t120, + eDataApplicationCapability_application_dsm_cc, + eDataApplicationCapability_application_userData, + eDataApplicationCapability_application_t84, + eDataApplicationCapability_application_t434, + eDataApplicationCapability_application_h224, + eDataApplicationCapability_application_nlpid, + eDataApplicationCapability_application_dsvdControl, + eDataApplicationCapability_application_h222DataPartitioning, + eDataApplicationCapability_application_t30fax, + eDataApplicationCapability_application_t140, + eDataApplicationCapability_application_t38fax, + eDataApplicationCapability_application_genericDataCapability, + } choice; + union { + DataProtocolCapability t120; + }; +} DataApplicationCapability_application; + +typedef struct DataApplicationCapability { /* SEQUENCE */ + int options; /* No use */ + DataApplicationCapability_application application; +} DataApplicationCapability; + +typedef struct DataType { /* CHOICE */ + enum { + eDataType_nonStandard, + eDataType_nullData, + eDataType_videoData, + eDataType_audioData, + eDataType_data, + eDataType_encryptionData, + eDataType_h235Control, + eDataType_h235Media, + eDataType_multiplexedStream, + } choice; + union { + DataApplicationCapability data; + }; +} DataType; + +typedef struct UnicastAddress_iPAddress { /* SEQUENCE */ + int options; /* No use */ + unsigned network; +} UnicastAddress_iPAddress; + +typedef struct UnicastAddress_iP6Address { /* SEQUENCE */ + int options; /* No use */ + unsigned network; +} UnicastAddress_iP6Address; + +typedef struct UnicastAddress { /* CHOICE */ + enum { + eUnicastAddress_iPAddress, + eUnicastAddress_iPXAddress, + eUnicastAddress_iP6Address, + eUnicastAddress_netBios, + eUnicastAddress_iPSourceRouteAddress, + eUnicastAddress_nsap, + eUnicastAddress_nonStandardAddress, + } choice; + union { + UnicastAddress_iPAddress iPAddress; + UnicastAddress_iP6Address iP6Address; + }; +} UnicastAddress; + +typedef struct H245_TransportAddress { /* CHOICE */ + enum { + eH245_TransportAddress_unicastAddress, + eH245_TransportAddress_multicastAddress, + } choice; + union { + UnicastAddress unicastAddress; + }; +} H245_TransportAddress; + +typedef struct H2250LogicalChannelParameters { /* SEQUENCE */ + enum { + eH2250LogicalChannelParameters_nonStandard = (1 << 31), + eH2250LogicalChannelParameters_associatedSessionID = + (1 << 30), + eH2250LogicalChannelParameters_mediaChannel = (1 << 29), + eH2250LogicalChannelParameters_mediaGuaranteedDelivery = + (1 << 28), + eH2250LogicalChannelParameters_mediaControlChannel = + (1 << 27), + eH2250LogicalChannelParameters_mediaControlGuaranteedDelivery + = (1 << 26), + eH2250LogicalChannelParameters_silenceSuppression = (1 << 25), + eH2250LogicalChannelParameters_destination = (1 << 24), + eH2250LogicalChannelParameters_dynamicRTPPayloadType = + (1 << 23), + eH2250LogicalChannelParameters_mediaPacketization = (1 << 22), + eH2250LogicalChannelParameters_transportCapability = + (1 << 21), + eH2250LogicalChannelParameters_redundancyEncoding = (1 << 20), + eH2250LogicalChannelParameters_source = (1 << 19), + } options; + H245_TransportAddress mediaChannel; + H245_TransportAddress mediaControlChannel; +} H2250LogicalChannelParameters; + +typedef struct OpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters { /* CHOICE */ + enum { + eOpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters_h222LogicalChannelParameters, + eOpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters_h223LogicalChannelParameters, + eOpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters_v76LogicalChannelParameters, + eOpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters_h2250LogicalChannelParameters, + eOpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters_none, + } choice; + union { + H2250LogicalChannelParameters h2250LogicalChannelParameters; + }; +} OpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters; + +typedef struct OpenLogicalChannel_forwardLogicalChannelParameters { /* SEQUENCE */ + enum { + eOpenLogicalChannel_forwardLogicalChannelParameters_portNumber + = (1 << 31), + eOpenLogicalChannel_forwardLogicalChannelParameters_forwardLogicalChannelDependency + = (1 << 30), + eOpenLogicalChannel_forwardLogicalChannelParameters_replacementFor + = (1 << 29), + } options; + DataType dataType; + OpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters + multiplexParameters; +} OpenLogicalChannel_forwardLogicalChannelParameters; + +typedef struct OpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters { /* CHOICE */ + enum { + eOpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters_h223LogicalChannelParameters, + eOpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters_v76LogicalChannelParameters, + eOpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters_h2250LogicalChannelParameters, + } choice; + union { + H2250LogicalChannelParameters h2250LogicalChannelParameters; + }; +} OpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters; + +typedef struct OpenLogicalChannel_reverseLogicalChannelParameters { /* SEQUENCE */ + enum { + eOpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters + = (1 << 31), + eOpenLogicalChannel_reverseLogicalChannelParameters_reverseLogicalChannelDependency + = (1 << 30), + eOpenLogicalChannel_reverseLogicalChannelParameters_replacementFor + = (1 << 29), + } options; + OpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters + multiplexParameters; +} OpenLogicalChannel_reverseLogicalChannelParameters; + +typedef struct NetworkAccessParameters_networkAddress { /* CHOICE */ + enum { + eNetworkAccessParameters_networkAddress_q2931Address, + eNetworkAccessParameters_networkAddress_e164Address, + eNetworkAccessParameters_networkAddress_localAreaAddress, + } choice; + union { + H245_TransportAddress localAreaAddress; + }; +} NetworkAccessParameters_networkAddress; + +typedef struct NetworkAccessParameters { /* SEQUENCE */ + enum { + eNetworkAccessParameters_distribution = (1 << 31), + eNetworkAccessParameters_externalReference = (1 << 30), + eNetworkAccessParameters_t120SetupProcedure = (1 << 29), + } options; + NetworkAccessParameters_networkAddress networkAddress; +} NetworkAccessParameters; + +typedef struct OpenLogicalChannel { /* SEQUENCE */ + enum { + eOpenLogicalChannel_reverseLogicalChannelParameters = + (1 << 31), + eOpenLogicalChannel_separateStack = (1 << 30), + eOpenLogicalChannel_encryptionSync = (1 << 29), + } options; + OpenLogicalChannel_forwardLogicalChannelParameters + forwardLogicalChannelParameters; + OpenLogicalChannel_reverseLogicalChannelParameters + reverseLogicalChannelParameters; + NetworkAccessParameters separateStack; +} OpenLogicalChannel; + +typedef struct Setup_UUIE_fastStart { /* SEQUENCE OF */ + int count; + OpenLogicalChannel item[30]; +} Setup_UUIE_fastStart; + +typedef struct Setup_UUIE { /* SEQUENCE */ + enum { + eSetup_UUIE_h245Address = (1 << 31), + eSetup_UUIE_sourceAddress = (1 << 30), + eSetup_UUIE_destinationAddress = (1 << 29), + eSetup_UUIE_destCallSignalAddress = (1 << 28), + eSetup_UUIE_destExtraCallInfo = (1 << 27), + eSetup_UUIE_destExtraCRV = (1 << 26), + eSetup_UUIE_callServices = (1 << 25), + eSetup_UUIE_sourceCallSignalAddress = (1 << 24), + eSetup_UUIE_remoteExtensionAddress = (1 << 23), + eSetup_UUIE_callIdentifier = (1 << 22), + eSetup_UUIE_h245SecurityCapability = (1 << 21), + eSetup_UUIE_tokens = (1 << 20), + eSetup_UUIE_cryptoTokens = (1 << 19), + eSetup_UUIE_fastStart = (1 << 18), + eSetup_UUIE_mediaWaitForConnect = (1 << 17), + eSetup_UUIE_canOverlapSend = (1 << 16), + eSetup_UUIE_endpointIdentifier = (1 << 15), + eSetup_UUIE_multipleCalls = (1 << 14), + eSetup_UUIE_maintainConnection = (1 << 13), + eSetup_UUIE_connectionParameters = (1 << 12), + eSetup_UUIE_language = (1 << 11), + eSetup_UUIE_presentationIndicator = (1 << 10), + eSetup_UUIE_screeningIndicator = (1 << 9), + eSetup_UUIE_serviceControl = (1 << 8), + eSetup_UUIE_symmetricOperationRequired = (1 << 7), + eSetup_UUIE_capacity = (1 << 6), + eSetup_UUIE_circuitInfo = (1 << 5), + eSetup_UUIE_desiredProtocols = (1 << 4), + eSetup_UUIE_neededFeatures = (1 << 3), + eSetup_UUIE_desiredFeatures = (1 << 2), + eSetup_UUIE_supportedFeatures = (1 << 1), + eSetup_UUIE_parallelH245Control = (1 << 0), + } options; + TransportAddress h245Address; + TransportAddress destCallSignalAddress; + TransportAddress sourceCallSignalAddress; + Setup_UUIE_fastStart fastStart; +} Setup_UUIE; + +typedef struct CallProceeding_UUIE_fastStart { /* SEQUENCE OF */ + int count; + OpenLogicalChannel item[30]; +} CallProceeding_UUIE_fastStart; + +typedef struct CallProceeding_UUIE { /* SEQUENCE */ + enum { + eCallProceeding_UUIE_h245Address = (1 << 31), + eCallProceeding_UUIE_callIdentifier = (1 << 30), + eCallProceeding_UUIE_h245SecurityMode = (1 << 29), + eCallProceeding_UUIE_tokens = (1 << 28), + eCallProceeding_UUIE_cryptoTokens = (1 << 27), + eCallProceeding_UUIE_fastStart = (1 << 26), + eCallProceeding_UUIE_multipleCalls = (1 << 25), + eCallProceeding_UUIE_maintainConnection = (1 << 24), + eCallProceeding_UUIE_fastConnectRefused = (1 << 23), + eCallProceeding_UUIE_featureSet = (1 << 22), + } options; + TransportAddress h245Address; + CallProceeding_UUIE_fastStart fastStart; +} CallProceeding_UUIE; + +typedef struct Connect_UUIE_fastStart { /* SEQUENCE OF */ + int count; + OpenLogicalChannel item[30]; +} Connect_UUIE_fastStart; + +typedef struct Connect_UUIE { /* SEQUENCE */ + enum { + eConnect_UUIE_h245Address = (1 << 31), + eConnect_UUIE_callIdentifier = (1 << 30), + eConnect_UUIE_h245SecurityMode = (1 << 29), + eConnect_UUIE_tokens = (1 << 28), + eConnect_UUIE_cryptoTokens = (1 << 27), + eConnect_UUIE_fastStart = (1 << 26), + eConnect_UUIE_multipleCalls = (1 << 25), + eConnect_UUIE_maintainConnection = (1 << 24), + eConnect_UUIE_language = (1 << 23), + eConnect_UUIE_connectedAddress = (1 << 22), + eConnect_UUIE_presentationIndicator = (1 << 21), + eConnect_UUIE_screeningIndicator = (1 << 20), + eConnect_UUIE_fastConnectRefused = (1 << 19), + eConnect_UUIE_serviceControl = (1 << 18), + eConnect_UUIE_capacity = (1 << 17), + eConnect_UUIE_featureSet = (1 << 16), + } options; + TransportAddress h245Address; + Connect_UUIE_fastStart fastStart; +} Connect_UUIE; + +typedef struct Alerting_UUIE_fastStart { /* SEQUENCE OF */ + int count; + OpenLogicalChannel item[30]; +} Alerting_UUIE_fastStart; + +typedef struct Alerting_UUIE { /* SEQUENCE */ + enum { + eAlerting_UUIE_h245Address = (1 << 31), + eAlerting_UUIE_callIdentifier = (1 << 30), + eAlerting_UUIE_h245SecurityMode = (1 << 29), + eAlerting_UUIE_tokens = (1 << 28), + eAlerting_UUIE_cryptoTokens = (1 << 27), + eAlerting_UUIE_fastStart = (1 << 26), + eAlerting_UUIE_multipleCalls = (1 << 25), + eAlerting_UUIE_maintainConnection = (1 << 24), + eAlerting_UUIE_alertingAddress = (1 << 23), + eAlerting_UUIE_presentationIndicator = (1 << 22), + eAlerting_UUIE_screeningIndicator = (1 << 21), + eAlerting_UUIE_fastConnectRefused = (1 << 20), + eAlerting_UUIE_serviceControl = (1 << 19), + eAlerting_UUIE_capacity = (1 << 18), + eAlerting_UUIE_featureSet = (1 << 17), + } options; + TransportAddress h245Address; + Alerting_UUIE_fastStart fastStart; +} Alerting_UUIE; + +typedef struct Information_UUIE_fastStart { /* SEQUENCE OF */ + int count; + OpenLogicalChannel item[30]; +} Information_UUIE_fastStart; + +typedef struct Information_UUIE { /* SEQUENCE */ + enum { + eInformation_UUIE_callIdentifier = (1 << 31), + eInformation_UUIE_tokens = (1 << 30), + eInformation_UUIE_cryptoTokens = (1 << 29), + eInformation_UUIE_fastStart = (1 << 28), + eInformation_UUIE_fastConnectRefused = (1 << 27), + eInformation_UUIE_circuitInfo = (1 << 26), + } options; + Information_UUIE_fastStart fastStart; +} Information_UUIE; + +typedef struct FacilityReason { /* CHOICE */ + enum { + eFacilityReason_routeCallToGatekeeper, + eFacilityReason_callForwarded, + eFacilityReason_routeCallToMC, + eFacilityReason_undefinedReason, + eFacilityReason_conferenceListChoice, + eFacilityReason_startH245, + eFacilityReason_noH245, + eFacilityReason_newTokens, + eFacilityReason_featureSetUpdate, + eFacilityReason_forwardedElements, + eFacilityReason_transportedInformation, + } choice; +} FacilityReason; + +typedef struct Facility_UUIE_fastStart { /* SEQUENCE OF */ + int count; + OpenLogicalChannel item[30]; +} Facility_UUIE_fastStart; + +typedef struct Facility_UUIE { /* SEQUENCE */ + enum { + eFacility_UUIE_alternativeAddress = (1 << 31), + eFacility_UUIE_alternativeAliasAddress = (1 << 30), + eFacility_UUIE_conferenceID = (1 << 29), + eFacility_UUIE_callIdentifier = (1 << 28), + eFacility_UUIE_destExtraCallInfo = (1 << 27), + eFacility_UUIE_remoteExtensionAddress = (1 << 26), + eFacility_UUIE_tokens = (1 << 25), + eFacility_UUIE_cryptoTokens = (1 << 24), + eFacility_UUIE_conferences = (1 << 23), + eFacility_UUIE_h245Address = (1 << 22), + eFacility_UUIE_fastStart = (1 << 21), + eFacility_UUIE_multipleCalls = (1 << 20), + eFacility_UUIE_maintainConnection = (1 << 19), + eFacility_UUIE_fastConnectRefused = (1 << 18), + eFacility_UUIE_serviceControl = (1 << 17), + eFacility_UUIE_circuitInfo = (1 << 16), + eFacility_UUIE_featureSet = (1 << 15), + eFacility_UUIE_destinationInfo = (1 << 14), + eFacility_UUIE_h245SecurityMode = (1 << 13), + } options; + TransportAddress alternativeAddress; + FacilityReason reason; + TransportAddress h245Address; + Facility_UUIE_fastStart fastStart; +} Facility_UUIE; + +typedef struct Progress_UUIE_fastStart { /* SEQUENCE OF */ + int count; + OpenLogicalChannel item[30]; +} Progress_UUIE_fastStart; + +typedef struct Progress_UUIE { /* SEQUENCE */ + enum { + eProgress_UUIE_h245Address = (1 << 31), + eProgress_UUIE_h245SecurityMode = (1 << 30), + eProgress_UUIE_tokens = (1 << 29), + eProgress_UUIE_cryptoTokens = (1 << 28), + eProgress_UUIE_fastStart = (1 << 27), + eProgress_UUIE_multipleCalls = (1 << 26), + eProgress_UUIE_maintainConnection = (1 << 25), + eProgress_UUIE_fastConnectRefused = (1 << 24), + } options; + TransportAddress h245Address; + Progress_UUIE_fastStart fastStart; +} Progress_UUIE; + +typedef struct H323_UU_PDU_h323_message_body { /* CHOICE */ + enum { + eH323_UU_PDU_h323_message_body_setup, + eH323_UU_PDU_h323_message_body_callProceeding, + eH323_UU_PDU_h323_message_body_connect, + eH323_UU_PDU_h323_message_body_alerting, + eH323_UU_PDU_h323_message_body_information, + eH323_UU_PDU_h323_message_body_releaseComplete, + eH323_UU_PDU_h323_message_body_facility, + eH323_UU_PDU_h323_message_body_progress, + eH323_UU_PDU_h323_message_body_empty, + eH323_UU_PDU_h323_message_body_status, + eH323_UU_PDU_h323_message_body_statusInquiry, + eH323_UU_PDU_h323_message_body_setupAcknowledge, + eH323_UU_PDU_h323_message_body_notify, + } choice; + union { + Setup_UUIE setup; + CallProceeding_UUIE callProceeding; + Connect_UUIE connect; + Alerting_UUIE alerting; + Information_UUIE information; + Facility_UUIE facility; + Progress_UUIE progress; + }; +} H323_UU_PDU_h323_message_body; + +typedef struct RequestMessage { /* CHOICE */ + enum { + eRequestMessage_nonStandard, + eRequestMessage_masterSlaveDetermination, + eRequestMessage_terminalCapabilitySet, + eRequestMessage_openLogicalChannel, + eRequestMessage_closeLogicalChannel, + eRequestMessage_requestChannelClose, + eRequestMessage_multiplexEntrySend, + eRequestMessage_requestMultiplexEntry, + eRequestMessage_requestMode, + eRequestMessage_roundTripDelayRequest, + eRequestMessage_maintenanceLoopRequest, + eRequestMessage_communicationModeRequest, + eRequestMessage_conferenceRequest, + eRequestMessage_multilinkRequest, + eRequestMessage_logicalChannelRateRequest, + } choice; + union { + OpenLogicalChannel openLogicalChannel; + }; +} RequestMessage; + +typedef struct OpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters { /* CHOICE */ + enum { + eOpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters_h222LogicalChannelParameters, + eOpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters_h2250LogicalChannelParameters, + } choice; + union { + H2250LogicalChannelParameters h2250LogicalChannelParameters; + }; +} OpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters; + +typedef struct OpenLogicalChannelAck_reverseLogicalChannelParameters { /* SEQUENCE */ + enum { + eOpenLogicalChannelAck_reverseLogicalChannelParameters_portNumber + = (1 << 31), + eOpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters + = (1 << 30), + eOpenLogicalChannelAck_reverseLogicalChannelParameters_replacementFor + = (1 << 29), + } options; + OpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters + multiplexParameters; +} OpenLogicalChannelAck_reverseLogicalChannelParameters; + +typedef struct H2250LogicalChannelAckParameters { /* SEQUENCE */ + enum { + eH2250LogicalChannelAckParameters_nonStandard = (1 << 31), + eH2250LogicalChannelAckParameters_sessionID = (1 << 30), + eH2250LogicalChannelAckParameters_mediaChannel = (1 << 29), + eH2250LogicalChannelAckParameters_mediaControlChannel = + (1 << 28), + eH2250LogicalChannelAckParameters_dynamicRTPPayloadType = + (1 << 27), + eH2250LogicalChannelAckParameters_flowControlToZero = + (1 << 26), + eH2250LogicalChannelAckParameters_portNumber = (1 << 25), + } options; + H245_TransportAddress mediaChannel; + H245_TransportAddress mediaControlChannel; +} H2250LogicalChannelAckParameters; + +typedef struct OpenLogicalChannelAck_forwardMultiplexAckParameters { /* CHOICE */ + enum { + eOpenLogicalChannelAck_forwardMultiplexAckParameters_h2250LogicalChannelAckParameters, + } choice; + union { + H2250LogicalChannelAckParameters + h2250LogicalChannelAckParameters; + }; +} OpenLogicalChannelAck_forwardMultiplexAckParameters; + +typedef struct OpenLogicalChannelAck { /* SEQUENCE */ + enum { + eOpenLogicalChannelAck_reverseLogicalChannelParameters = + (1 << 31), + eOpenLogicalChannelAck_separateStack = (1 << 30), + eOpenLogicalChannelAck_forwardMultiplexAckParameters = + (1 << 29), + eOpenLogicalChannelAck_encryptionSync = (1 << 28), + } options; + OpenLogicalChannelAck_reverseLogicalChannelParameters + reverseLogicalChannelParameters; + OpenLogicalChannelAck_forwardMultiplexAckParameters + forwardMultiplexAckParameters; +} OpenLogicalChannelAck; + +typedef struct ResponseMessage { /* CHOICE */ + enum { + eResponseMessage_nonStandard, + eResponseMessage_masterSlaveDeterminationAck, + eResponseMessage_masterSlaveDeterminationReject, + eResponseMessage_terminalCapabilitySetAck, + eResponseMessage_terminalCapabilitySetReject, + eResponseMessage_openLogicalChannelAck, + eResponseMessage_openLogicalChannelReject, + eResponseMessage_closeLogicalChannelAck, + eResponseMessage_requestChannelCloseAck, + eResponseMessage_requestChannelCloseReject, + eResponseMessage_multiplexEntrySendAck, + eResponseMessage_multiplexEntrySendReject, + eResponseMessage_requestMultiplexEntryAck, + eResponseMessage_requestMultiplexEntryReject, + eResponseMessage_requestModeAck, + eResponseMessage_requestModeReject, + eResponseMessage_roundTripDelayResponse, + eResponseMessage_maintenanceLoopAck, + eResponseMessage_maintenanceLoopReject, + eResponseMessage_communicationModeResponse, + eResponseMessage_conferenceResponse, + eResponseMessage_multilinkResponse, + eResponseMessage_logicalChannelRateAcknowledge, + eResponseMessage_logicalChannelRateReject, + } choice; + union { + OpenLogicalChannelAck openLogicalChannelAck; + }; +} ResponseMessage; + +typedef struct MultimediaSystemControlMessage { /* CHOICE */ + enum { + eMultimediaSystemControlMessage_request, + eMultimediaSystemControlMessage_response, + eMultimediaSystemControlMessage_command, + eMultimediaSystemControlMessage_indication, + } choice; + union { + RequestMessage request; + ResponseMessage response; + }; +} MultimediaSystemControlMessage; + +typedef struct H323_UU_PDU_h245Control { /* SEQUENCE OF */ + int count; + MultimediaSystemControlMessage item[4]; +} H323_UU_PDU_h245Control; + +typedef struct H323_UU_PDU { /* SEQUENCE */ + enum { + eH323_UU_PDU_nonStandardData = (1 << 31), + eH323_UU_PDU_h4501SupplementaryService = (1 << 30), + eH323_UU_PDU_h245Tunneling = (1 << 29), + eH323_UU_PDU_h245Control = (1 << 28), + eH323_UU_PDU_nonStandardControl = (1 << 27), + eH323_UU_PDU_callLinkage = (1 << 26), + eH323_UU_PDU_tunnelledSignallingMessage = (1 << 25), + eH323_UU_PDU_provisionalRespToH245Tunneling = (1 << 24), + eH323_UU_PDU_stimulusControl = (1 << 23), + eH323_UU_PDU_genericData = (1 << 22), + } options; + H323_UU_PDU_h323_message_body h323_message_body; + H323_UU_PDU_h245Control h245Control; +} H323_UU_PDU; + +typedef struct H323_UserInformation { /* SEQUENCE */ + enum { + eH323_UserInformation_user_data = (1 << 31), + } options; + H323_UU_PDU h323_uu_pdu; +} H323_UserInformation; + +typedef struct GatekeeperRequest { /* SEQUENCE */ + enum { + eGatekeeperRequest_nonStandardData = (1 << 31), + eGatekeeperRequest_gatekeeperIdentifier = (1 << 30), + eGatekeeperRequest_callServices = (1 << 29), + eGatekeeperRequest_endpointAlias = (1 << 28), + eGatekeeperRequest_alternateEndpoints = (1 << 27), + eGatekeeperRequest_tokens = (1 << 26), + eGatekeeperRequest_cryptoTokens = (1 << 25), + eGatekeeperRequest_authenticationCapability = (1 << 24), + eGatekeeperRequest_algorithmOIDs = (1 << 23), + eGatekeeperRequest_integrity = (1 << 22), + eGatekeeperRequest_integrityCheckValue = (1 << 21), + eGatekeeperRequest_supportsAltGK = (1 << 20), + eGatekeeperRequest_featureSet = (1 << 19), + eGatekeeperRequest_genericData = (1 << 18), + } options; + TransportAddress rasAddress; +} GatekeeperRequest; + +typedef struct GatekeeperConfirm { /* SEQUENCE */ + enum { + eGatekeeperConfirm_nonStandardData = (1 << 31), + eGatekeeperConfirm_gatekeeperIdentifier = (1 << 30), + eGatekeeperConfirm_alternateGatekeeper = (1 << 29), + eGatekeeperConfirm_authenticationMode = (1 << 28), + eGatekeeperConfirm_tokens = (1 << 27), + eGatekeeperConfirm_cryptoTokens = (1 << 26), + eGatekeeperConfirm_algorithmOID = (1 << 25), + eGatekeeperConfirm_integrity = (1 << 24), + eGatekeeperConfirm_integrityCheckValue = (1 << 23), + eGatekeeperConfirm_featureSet = (1 << 22), + eGatekeeperConfirm_genericData = (1 << 21), + } options; + TransportAddress rasAddress; +} GatekeeperConfirm; + +typedef struct RegistrationRequest_callSignalAddress { /* SEQUENCE OF */ + int count; + TransportAddress item[10]; +} RegistrationRequest_callSignalAddress; + +typedef struct RegistrationRequest_rasAddress { /* SEQUENCE OF */ + int count; + TransportAddress item[10]; +} RegistrationRequest_rasAddress; + +typedef struct RegistrationRequest { /* SEQUENCE */ + enum { + eRegistrationRequest_nonStandardData = (1 << 31), + eRegistrationRequest_terminalAlias = (1 << 30), + eRegistrationRequest_gatekeeperIdentifier = (1 << 29), + eRegistrationRequest_alternateEndpoints = (1 << 28), + eRegistrationRequest_timeToLive = (1 << 27), + eRegistrationRequest_tokens = (1 << 26), + eRegistrationRequest_cryptoTokens = (1 << 25), + eRegistrationRequest_integrityCheckValue = (1 << 24), + eRegistrationRequest_keepAlive = (1 << 23), + eRegistrationRequest_endpointIdentifier = (1 << 22), + eRegistrationRequest_willSupplyUUIEs = (1 << 21), + eRegistrationRequest_maintainConnection = (1 << 20), + eRegistrationRequest_alternateTransportAddresses = (1 << 19), + eRegistrationRequest_additiveRegistration = (1 << 18), + eRegistrationRequest_terminalAliasPattern = (1 << 17), + eRegistrationRequest_supportsAltGK = (1 << 16), + eRegistrationRequest_usageReportingCapability = (1 << 15), + eRegistrationRequest_multipleCalls = (1 << 14), + eRegistrationRequest_supportedH248Packages = (1 << 13), + eRegistrationRequest_callCreditCapability = (1 << 12), + eRegistrationRequest_capacityReportingCapability = (1 << 11), + eRegistrationRequest_capacity = (1 << 10), + eRegistrationRequest_featureSet = (1 << 9), + eRegistrationRequest_genericData = (1 << 8), + } options; + RegistrationRequest_callSignalAddress callSignalAddress; + RegistrationRequest_rasAddress rasAddress; + unsigned timeToLive; +} RegistrationRequest; + +typedef struct RegistrationConfirm_callSignalAddress { /* SEQUENCE OF */ + int count; + TransportAddress item[10]; +} RegistrationConfirm_callSignalAddress; + +typedef struct RegistrationConfirm { /* SEQUENCE */ + enum { + eRegistrationConfirm_nonStandardData = (1 << 31), + eRegistrationConfirm_terminalAlias = (1 << 30), + eRegistrationConfirm_gatekeeperIdentifier = (1 << 29), + eRegistrationConfirm_alternateGatekeeper = (1 << 28), + eRegistrationConfirm_timeToLive = (1 << 27), + eRegistrationConfirm_tokens = (1 << 26), + eRegistrationConfirm_cryptoTokens = (1 << 25), + eRegistrationConfirm_integrityCheckValue = (1 << 24), + eRegistrationConfirm_willRespondToIRR = (1 << 23), + eRegistrationConfirm_preGrantedARQ = (1 << 22), + eRegistrationConfirm_maintainConnection = (1 << 21), + eRegistrationConfirm_serviceControl = (1 << 20), + eRegistrationConfirm_supportsAdditiveRegistration = (1 << 19), + eRegistrationConfirm_terminalAliasPattern = (1 << 18), + eRegistrationConfirm_supportedPrefixes = (1 << 17), + eRegistrationConfirm_usageSpec = (1 << 16), + eRegistrationConfirm_featureServerAlias = (1 << 15), + eRegistrationConfirm_capacityReportingSpec = (1 << 14), + eRegistrationConfirm_featureSet = (1 << 13), + eRegistrationConfirm_genericData = (1 << 12), + } options; + RegistrationConfirm_callSignalAddress callSignalAddress; + unsigned timeToLive; +} RegistrationConfirm; + +typedef struct UnregistrationRequest_callSignalAddress { /* SEQUENCE OF */ + int count; + TransportAddress item[10]; +} UnregistrationRequest_callSignalAddress; + +typedef struct UnregistrationRequest { /* SEQUENCE */ + enum { + eUnregistrationRequest_endpointAlias = (1 << 31), + eUnregistrationRequest_nonStandardData = (1 << 30), + eUnregistrationRequest_endpointIdentifier = (1 << 29), + eUnregistrationRequest_alternateEndpoints = (1 << 28), + eUnregistrationRequest_gatekeeperIdentifier = (1 << 27), + eUnregistrationRequest_tokens = (1 << 26), + eUnregistrationRequest_cryptoTokens = (1 << 25), + eUnregistrationRequest_integrityCheckValue = (1 << 24), + eUnregistrationRequest_reason = (1 << 23), + eUnregistrationRequest_endpointAliasPattern = (1 << 22), + eUnregistrationRequest_supportedPrefixes = (1 << 21), + eUnregistrationRequest_alternateGatekeeper = (1 << 20), + eUnregistrationRequest_genericData = (1 << 19), + } options; + UnregistrationRequest_callSignalAddress callSignalAddress; +} UnregistrationRequest; + +typedef struct AdmissionRequest { /* SEQUENCE */ + enum { + eAdmissionRequest_callModel = (1 << 31), + eAdmissionRequest_destinationInfo = (1 << 30), + eAdmissionRequest_destCallSignalAddress = (1 << 29), + eAdmissionRequest_destExtraCallInfo = (1 << 28), + eAdmissionRequest_srcCallSignalAddress = (1 << 27), + eAdmissionRequest_nonStandardData = (1 << 26), + eAdmissionRequest_callServices = (1 << 25), + eAdmissionRequest_canMapAlias = (1 << 24), + eAdmissionRequest_callIdentifier = (1 << 23), + eAdmissionRequest_srcAlternatives = (1 << 22), + eAdmissionRequest_destAlternatives = (1 << 21), + eAdmissionRequest_gatekeeperIdentifier = (1 << 20), + eAdmissionRequest_tokens = (1 << 19), + eAdmissionRequest_cryptoTokens = (1 << 18), + eAdmissionRequest_integrityCheckValue = (1 << 17), + eAdmissionRequest_transportQOS = (1 << 16), + eAdmissionRequest_willSupplyUUIEs = (1 << 15), + eAdmissionRequest_callLinkage = (1 << 14), + eAdmissionRequest_gatewayDataRate = (1 << 13), + eAdmissionRequest_capacity = (1 << 12), + eAdmissionRequest_circuitInfo = (1 << 11), + eAdmissionRequest_desiredProtocols = (1 << 10), + eAdmissionRequest_desiredTunnelledProtocol = (1 << 9), + eAdmissionRequest_featureSet = (1 << 8), + eAdmissionRequest_genericData = (1 << 7), + } options; + TransportAddress destCallSignalAddress; + TransportAddress srcCallSignalAddress; +} AdmissionRequest; + +typedef struct AdmissionConfirm { /* SEQUENCE */ + enum { + eAdmissionConfirm_irrFrequency = (1 << 31), + eAdmissionConfirm_nonStandardData = (1 << 30), + eAdmissionConfirm_destinationInfo = (1 << 29), + eAdmissionConfirm_destExtraCallInfo = (1 << 28), + eAdmissionConfirm_destinationType = (1 << 27), + eAdmissionConfirm_remoteExtensionAddress = (1 << 26), + eAdmissionConfirm_alternateEndpoints = (1 << 25), + eAdmissionConfirm_tokens = (1 << 24), + eAdmissionConfirm_cryptoTokens = (1 << 23), + eAdmissionConfirm_integrityCheckValue = (1 << 22), + eAdmissionConfirm_transportQOS = (1 << 21), + eAdmissionConfirm_willRespondToIRR = (1 << 20), + eAdmissionConfirm_uuiesRequested = (1 << 19), + eAdmissionConfirm_language = (1 << 18), + eAdmissionConfirm_alternateTransportAddresses = (1 << 17), + eAdmissionConfirm_useSpecifiedTransport = (1 << 16), + eAdmissionConfirm_circuitInfo = (1 << 15), + eAdmissionConfirm_usageSpec = (1 << 14), + eAdmissionConfirm_supportedProtocols = (1 << 13), + eAdmissionConfirm_serviceControl = (1 << 12), + eAdmissionConfirm_multipleCalls = (1 << 11), + eAdmissionConfirm_featureSet = (1 << 10), + eAdmissionConfirm_genericData = (1 << 9), + } options; + TransportAddress destCallSignalAddress; +} AdmissionConfirm; + +typedef struct LocationRequest { /* SEQUENCE */ + enum { + eLocationRequest_endpointIdentifier = (1 << 31), + eLocationRequest_nonStandardData = (1 << 30), + eLocationRequest_sourceInfo = (1 << 29), + eLocationRequest_canMapAlias = (1 << 28), + eLocationRequest_gatekeeperIdentifier = (1 << 27), + eLocationRequest_tokens = (1 << 26), + eLocationRequest_cryptoTokens = (1 << 25), + eLocationRequest_integrityCheckValue = (1 << 24), + eLocationRequest_desiredProtocols = (1 << 23), + eLocationRequest_desiredTunnelledProtocol = (1 << 22), + eLocationRequest_featureSet = (1 << 21), + eLocationRequest_genericData = (1 << 20), + eLocationRequest_hopCount = (1 << 19), + eLocationRequest_circuitInfo = (1 << 18), + } options; + TransportAddress replyAddress; +} LocationRequest; + +typedef struct LocationConfirm { /* SEQUENCE */ + enum { + eLocationConfirm_nonStandardData = (1 << 31), + eLocationConfirm_destinationInfo = (1 << 30), + eLocationConfirm_destExtraCallInfo = (1 << 29), + eLocationConfirm_destinationType = (1 << 28), + eLocationConfirm_remoteExtensionAddress = (1 << 27), + eLocationConfirm_alternateEndpoints = (1 << 26), + eLocationConfirm_tokens = (1 << 25), + eLocationConfirm_cryptoTokens = (1 << 24), + eLocationConfirm_integrityCheckValue = (1 << 23), + eLocationConfirm_alternateTransportAddresses = (1 << 22), + eLocationConfirm_supportedProtocols = (1 << 21), + eLocationConfirm_multipleCalls = (1 << 20), + eLocationConfirm_featureSet = (1 << 19), + eLocationConfirm_genericData = (1 << 18), + eLocationConfirm_circuitInfo = (1 << 17), + eLocationConfirm_serviceControl = (1 << 16), + } options; + TransportAddress callSignalAddress; + TransportAddress rasAddress; +} LocationConfirm; + +typedef struct InfoRequestResponse_callSignalAddress { /* SEQUENCE OF */ + int count; + TransportAddress item[10]; +} InfoRequestResponse_callSignalAddress; + +typedef struct InfoRequestResponse { /* SEQUENCE */ + enum { + eInfoRequestResponse_nonStandardData = (1 << 31), + eInfoRequestResponse_endpointAlias = (1 << 30), + eInfoRequestResponse_perCallInfo = (1 << 29), + eInfoRequestResponse_tokens = (1 << 28), + eInfoRequestResponse_cryptoTokens = (1 << 27), + eInfoRequestResponse_integrityCheckValue = (1 << 26), + eInfoRequestResponse_needResponse = (1 << 25), + eInfoRequestResponse_capacity = (1 << 24), + eInfoRequestResponse_irrStatus = (1 << 23), + eInfoRequestResponse_unsolicited = (1 << 22), + eInfoRequestResponse_genericData = (1 << 21), + } options; + TransportAddress rasAddress; + InfoRequestResponse_callSignalAddress callSignalAddress; +} InfoRequestResponse; + +typedef struct RasMessage { /* CHOICE */ + enum { + eRasMessage_gatekeeperRequest, + eRasMessage_gatekeeperConfirm, + eRasMessage_gatekeeperReject, + eRasMessage_registrationRequest, + eRasMessage_registrationConfirm, + eRasMessage_registrationReject, + eRasMessage_unregistrationRequest, + eRasMessage_unregistrationConfirm, + eRasMessage_unregistrationReject, + eRasMessage_admissionRequest, + eRasMessage_admissionConfirm, + eRasMessage_admissionReject, + eRasMessage_bandwidthRequest, + eRasMessage_bandwidthConfirm, + eRasMessage_bandwidthReject, + eRasMessage_disengageRequest, + eRasMessage_disengageConfirm, + eRasMessage_disengageReject, + eRasMessage_locationRequest, + eRasMessage_locationConfirm, + eRasMessage_locationReject, + eRasMessage_infoRequest, + eRasMessage_infoRequestResponse, + eRasMessage_nonStandardMessage, + eRasMessage_unknownMessageResponse, + eRasMessage_requestInProgress, + eRasMessage_resourcesAvailableIndicate, + eRasMessage_resourcesAvailableConfirm, + eRasMessage_infoRequestAck, + eRasMessage_infoRequestNak, + eRasMessage_serviceControlIndication, + eRasMessage_serviceControlResponse, + } choice; + union { + GatekeeperRequest gatekeeperRequest; + GatekeeperConfirm gatekeeperConfirm; + RegistrationRequest registrationRequest; + RegistrationConfirm registrationConfirm; + UnregistrationRequest unregistrationRequest; + AdmissionRequest admissionRequest; + AdmissionConfirm admissionConfirm; + LocationRequest locationRequest; + LocationConfirm locationConfirm; + InfoRequestResponse infoRequestResponse; + }; +} RasMessage; diff --git a/include/linux/netfilter_ipv4/Kbuild b/include/linux/netfilter_ipv4/Kbuild index 591c1a8..1803378 100644 --- a/include/linux/netfilter_ipv4/Kbuild +++ b/include/linux/netfilter_ipv4/Kbuild @@ -1,6 +1,4 @@ header-y += ip_conntrack_helper.h -header-y += ip_conntrack_helper_h323_asn1.h -header-y += ip_conntrack_helper_h323_types.h header-y += ip_conntrack_protocol.h header-y += ip_conntrack_sctp.h header-y += ip_conntrack_tcp.h diff --git a/include/linux/netfilter_ipv4/ip_conntrack_h323.h b/include/linux/netfilter_ipv4/ip_conntrack_h323.h index 943cc6a..18f7698 100644 --- a/include/linux/netfilter_ipv4/ip_conntrack_h323.h +++ b/include/linux/netfilter_ipv4/ip_conntrack_h323.h @@ -3,7 +3,7 @@ #ifdef __KERNEL__ -#include +#include #define RAS_PORT 1719 #define Q931_PORT 1720 diff --git a/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_asn1.h b/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_asn1.h deleted file mode 100644 index c6e9a0b..0000000 --- a/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_asn1.h +++ /dev/null @@ -1,98 +0,0 @@ -/**************************************************************************** - * ip_conntrack_helper_h323_asn1.h - BER and PER decoding library for H.323 - * conntrack/NAT module. - * - * Copyright (c) 2006 by Jing Min Zhao - * - * This source code is licensed under General Public License version 2. - * - * - * This library is based on H.225 version 4, H.235 version 2 and H.245 - * version 7. It is extremely optimized to decode only the absolutely - * necessary objects in a signal for Linux kernel NAT module use, so don't - * expect it to be a full ASN.1 library. - * - * Features: - * - * 1. Small. The total size of code plus data is less than 20 KB (IA32). - * 2. Fast. Decoding Netmeeting's Setup signal 1 million times on a PIII 866 - * takes only 3.9 seconds. - * 3. No memory allocation. It uses a static object. No need to initialize or - * cleanup. - * 4. Thread safe. - * 5. Support embedded architectures that has no misaligned memory access - * support. - * - * Limitations: - * - * 1. At most 30 faststart entries. Actually this is limited by ethernet's MTU. - * If a Setup signal contains more than 30 faststart, the packet size will - * very likely exceed the MTU size, then the TPKT will be fragmented. I - * don't know how to handle this in a Netfilter module. Anybody can help? - * Although I think 30 is enough for most of the cases. - * 2. IPv4 addresses only. - * - ****************************************************************************/ - -#ifndef _IP_CONNTRACK_HELPER_H323_ASN1_H_ -#define _IP_CONNTRACK_HELPER_H323_ASN1_H_ - -/***************************************************************************** - * H.323 Types - ****************************************************************************/ -#include "ip_conntrack_helper_h323_types.h" - -typedef struct { - enum { - Q931_NationalEscape = 0x00, - Q931_Alerting = 0x01, - Q931_CallProceeding = 0x02, - Q931_Connect = 0x07, - Q931_ConnectAck = 0x0F, - Q931_Progress = 0x03, - Q931_Setup = 0x05, - Q931_SetupAck = 0x0D, - Q931_Resume = 0x26, - Q931_ResumeAck = 0x2E, - Q931_ResumeReject = 0x22, - Q931_Suspend = 0x25, - Q931_SuspendAck = 0x2D, - Q931_SuspendReject = 0x21, - Q931_UserInformation = 0x20, - Q931_Disconnect = 0x45, - Q931_Release = 0x4D, - Q931_ReleaseComplete = 0x5A, - Q931_Restart = 0x46, - Q931_RestartAck = 0x4E, - Q931_Segment = 0x60, - Q931_CongestionCtrl = 0x79, - Q931_Information = 0x7B, - Q931_Notify = 0x6E, - Q931_Status = 0x7D, - Q931_StatusEnquiry = 0x75, - Q931_Facility = 0x62 - } MessageType; - H323_UserInformation UUIE; -} Q931; - -/***************************************************************************** - * Decode Functions Return Codes - ****************************************************************************/ - -#define H323_ERROR_NONE 0 /* Decoded successfully */ -#define H323_ERROR_STOP 1 /* Decoding stopped, not really an error */ -#define H323_ERROR_BOUND -1 -#define H323_ERROR_RANGE -2 - - -/***************************************************************************** - * Decode Functions - ****************************************************************************/ - -int DecodeRasMessage(unsigned char *buf, size_t sz, RasMessage * ras); -int DecodeQ931(unsigned char *buf, size_t sz, Q931 * q931); -int DecodeMultimediaSystemControlMessage(unsigned char *buf, size_t sz, - MultimediaSystemControlMessage * - mscm); - -#endif diff --git a/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_types.h b/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_types.h deleted file mode 100644 index 3d4a773..0000000 --- a/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_types.h +++ /dev/null @@ -1,939 +0,0 @@ -/* Generated by Jing Min Zhao's ASN.1 parser, Apr 20 2006 - * - * Copyright (c) 2006 Jing Min Zhao - * - * This source code is licensed under General Public License version 2. - */ - -typedef struct TransportAddress_ipAddress { /* SEQUENCE */ - int options; /* No use */ - unsigned ip; -} TransportAddress_ipAddress; - -typedef struct TransportAddress { /* CHOICE */ - enum { - eTransportAddress_ipAddress, - eTransportAddress_ipSourceRoute, - eTransportAddress_ipxAddress, - eTransportAddress_ip6Address, - eTransportAddress_netBios, - eTransportAddress_nsap, - eTransportAddress_nonStandardAddress, - } choice; - union { - TransportAddress_ipAddress ipAddress; - }; -} TransportAddress; - -typedef struct DataProtocolCapability { /* CHOICE */ - enum { - eDataProtocolCapability_nonStandard, - eDataProtocolCapability_v14buffered, - eDataProtocolCapability_v42lapm, - eDataProtocolCapability_hdlcFrameTunnelling, - eDataProtocolCapability_h310SeparateVCStack, - eDataProtocolCapability_h310SingleVCStack, - eDataProtocolCapability_transparent, - eDataProtocolCapability_segmentationAndReassembly, - eDataProtocolCapability_hdlcFrameTunnelingwSAR, - eDataProtocolCapability_v120, - eDataProtocolCapability_separateLANStack, - eDataProtocolCapability_v76wCompression, - eDataProtocolCapability_tcp, - eDataProtocolCapability_udp, - } choice; -} DataProtocolCapability; - -typedef struct DataApplicationCapability_application { /* CHOICE */ - enum { - eDataApplicationCapability_application_nonStandard, - eDataApplicationCapability_application_t120, - eDataApplicationCapability_application_dsm_cc, - eDataApplicationCapability_application_userData, - eDataApplicationCapability_application_t84, - eDataApplicationCapability_application_t434, - eDataApplicationCapability_application_h224, - eDataApplicationCapability_application_nlpid, - eDataApplicationCapability_application_dsvdControl, - eDataApplicationCapability_application_h222DataPartitioning, - eDataApplicationCapability_application_t30fax, - eDataApplicationCapability_application_t140, - eDataApplicationCapability_application_t38fax, - eDataApplicationCapability_application_genericDataCapability, - } choice; - union { - DataProtocolCapability t120; - }; -} DataApplicationCapability_application; - -typedef struct DataApplicationCapability { /* SEQUENCE */ - int options; /* No use */ - DataApplicationCapability_application application; -} DataApplicationCapability; - -typedef struct DataType { /* CHOICE */ - enum { - eDataType_nonStandard, - eDataType_nullData, - eDataType_videoData, - eDataType_audioData, - eDataType_data, - eDataType_encryptionData, - eDataType_h235Control, - eDataType_h235Media, - eDataType_multiplexedStream, - } choice; - union { - DataApplicationCapability data; - }; -} DataType; - -typedef struct UnicastAddress_iPAddress { /* SEQUENCE */ - int options; /* No use */ - unsigned network; -} UnicastAddress_iPAddress; - -typedef struct UnicastAddress { /* CHOICE */ - enum { - eUnicastAddress_iPAddress, - eUnicastAddress_iPXAddress, - eUnicastAddress_iP6Address, - eUnicastAddress_netBios, - eUnicastAddress_iPSourceRouteAddress, - eUnicastAddress_nsap, - eUnicastAddress_nonStandardAddress, - } choice; - union { - UnicastAddress_iPAddress iPAddress; - }; -} UnicastAddress; - -typedef struct H245_TransportAddress { /* CHOICE */ - enum { - eH245_TransportAddress_unicastAddress, - eH245_TransportAddress_multicastAddress, - } choice; - union { - UnicastAddress unicastAddress; - }; -} H245_TransportAddress; - -typedef struct H2250LogicalChannelParameters { /* SEQUENCE */ - enum { - eH2250LogicalChannelParameters_nonStandard = (1 << 31), - eH2250LogicalChannelParameters_associatedSessionID = - (1 << 30), - eH2250LogicalChannelParameters_mediaChannel = (1 << 29), - eH2250LogicalChannelParameters_mediaGuaranteedDelivery = - (1 << 28), - eH2250LogicalChannelParameters_mediaControlChannel = - (1 << 27), - eH2250LogicalChannelParameters_mediaControlGuaranteedDelivery - = (1 << 26), - eH2250LogicalChannelParameters_silenceSuppression = (1 << 25), - eH2250LogicalChannelParameters_destination = (1 << 24), - eH2250LogicalChannelParameters_dynamicRTPPayloadType = - (1 << 23), - eH2250LogicalChannelParameters_mediaPacketization = (1 << 22), - eH2250LogicalChannelParameters_transportCapability = - (1 << 21), - eH2250LogicalChannelParameters_redundancyEncoding = (1 << 20), - eH2250LogicalChannelParameters_source = (1 << 19), - } options; - H245_TransportAddress mediaChannel; - H245_TransportAddress mediaControlChannel; -} H2250LogicalChannelParameters; - -typedef struct OpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters { /* CHOICE */ - enum { - eOpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters_h222LogicalChannelParameters, - eOpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters_h223LogicalChannelParameters, - eOpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters_v76LogicalChannelParameters, - eOpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters_h2250LogicalChannelParameters, - eOpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters_none, - } choice; - union { - H2250LogicalChannelParameters h2250LogicalChannelParameters; - }; -} OpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters; - -typedef struct OpenLogicalChannel_forwardLogicalChannelParameters { /* SEQUENCE */ - enum { - eOpenLogicalChannel_forwardLogicalChannelParameters_portNumber - = (1 << 31), - eOpenLogicalChannel_forwardLogicalChannelParameters_forwardLogicalChannelDependency - = (1 << 30), - eOpenLogicalChannel_forwardLogicalChannelParameters_replacementFor - = (1 << 29), - } options; - DataType dataType; - OpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters - multiplexParameters; -} OpenLogicalChannel_forwardLogicalChannelParameters; - -typedef struct OpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters { /* CHOICE */ - enum { - eOpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters_h223LogicalChannelParameters, - eOpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters_v76LogicalChannelParameters, - eOpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters_h2250LogicalChannelParameters, - } choice; - union { - H2250LogicalChannelParameters h2250LogicalChannelParameters; - }; -} OpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters; - -typedef struct OpenLogicalChannel_reverseLogicalChannelParameters { /* SEQUENCE */ - enum { - eOpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters - = (1 << 31), - eOpenLogicalChannel_reverseLogicalChannelParameters_reverseLogicalChannelDependency - = (1 << 30), - eOpenLogicalChannel_reverseLogicalChannelParameters_replacementFor - = (1 << 29), - } options; - OpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters - multiplexParameters; -} OpenLogicalChannel_reverseLogicalChannelParameters; - -typedef struct NetworkAccessParameters_networkAddress { /* CHOICE */ - enum { - eNetworkAccessParameters_networkAddress_q2931Address, - eNetworkAccessParameters_networkAddress_e164Address, - eNetworkAccessParameters_networkAddress_localAreaAddress, - } choice; - union { - H245_TransportAddress localAreaAddress; - }; -} NetworkAccessParameters_networkAddress; - -typedef struct NetworkAccessParameters { /* SEQUENCE */ - enum { - eNetworkAccessParameters_distribution = (1 << 31), - eNetworkAccessParameters_externalReference = (1 << 30), - eNetworkAccessParameters_t120SetupProcedure = (1 << 29), - } options; - NetworkAccessParameters_networkAddress networkAddress; -} NetworkAccessParameters; - -typedef struct OpenLogicalChannel { /* SEQUENCE */ - enum { - eOpenLogicalChannel_reverseLogicalChannelParameters = - (1 << 31), - eOpenLogicalChannel_separateStack = (1 << 30), - eOpenLogicalChannel_encryptionSync = (1 << 29), - } options; - OpenLogicalChannel_forwardLogicalChannelParameters - forwardLogicalChannelParameters; - OpenLogicalChannel_reverseLogicalChannelParameters - reverseLogicalChannelParameters; - NetworkAccessParameters separateStack; -} OpenLogicalChannel; - -typedef struct Setup_UUIE_fastStart { /* SEQUENCE OF */ - int count; - OpenLogicalChannel item[30]; -} Setup_UUIE_fastStart; - -typedef struct Setup_UUIE { /* SEQUENCE */ - enum { - eSetup_UUIE_h245Address = (1 << 31), - eSetup_UUIE_sourceAddress = (1 << 30), - eSetup_UUIE_destinationAddress = (1 << 29), - eSetup_UUIE_destCallSignalAddress = (1 << 28), - eSetup_UUIE_destExtraCallInfo = (1 << 27), - eSetup_UUIE_destExtraCRV = (1 << 26), - eSetup_UUIE_callServices = (1 << 25), - eSetup_UUIE_sourceCallSignalAddress = (1 << 24), - eSetup_UUIE_remoteExtensionAddress = (1 << 23), - eSetup_UUIE_callIdentifier = (1 << 22), - eSetup_UUIE_h245SecurityCapability = (1 << 21), - eSetup_UUIE_tokens = (1 << 20), - eSetup_UUIE_cryptoTokens = (1 << 19), - eSetup_UUIE_fastStart = (1 << 18), - eSetup_UUIE_mediaWaitForConnect = (1 << 17), - eSetup_UUIE_canOverlapSend = (1 << 16), - eSetup_UUIE_endpointIdentifier = (1 << 15), - eSetup_UUIE_multipleCalls = (1 << 14), - eSetup_UUIE_maintainConnection = (1 << 13), - eSetup_UUIE_connectionParameters = (1 << 12), - eSetup_UUIE_language = (1 << 11), - eSetup_UUIE_presentationIndicator = (1 << 10), - eSetup_UUIE_screeningIndicator = (1 << 9), - eSetup_UUIE_serviceControl = (1 << 8), - eSetup_UUIE_symmetricOperationRequired = (1 << 7), - eSetup_UUIE_capacity = (1 << 6), - eSetup_UUIE_circuitInfo = (1 << 5), - eSetup_UUIE_desiredProtocols = (1 << 4), - eSetup_UUIE_neededFeatures = (1 << 3), - eSetup_UUIE_desiredFeatures = (1 << 2), - eSetup_UUIE_supportedFeatures = (1 << 1), - eSetup_UUIE_parallelH245Control = (1 << 0), - } options; - TransportAddress h245Address; - TransportAddress destCallSignalAddress; - TransportAddress sourceCallSignalAddress; - Setup_UUIE_fastStart fastStart; -} Setup_UUIE; - -typedef struct CallProceeding_UUIE_fastStart { /* SEQUENCE OF */ - int count; - OpenLogicalChannel item[30]; -} CallProceeding_UUIE_fastStart; - -typedef struct CallProceeding_UUIE { /* SEQUENCE */ - enum { - eCallProceeding_UUIE_h245Address = (1 << 31), - eCallProceeding_UUIE_callIdentifier = (1 << 30), - eCallProceeding_UUIE_h245SecurityMode = (1 << 29), - eCallProceeding_UUIE_tokens = (1 << 28), - eCallProceeding_UUIE_cryptoTokens = (1 << 27), - eCallProceeding_UUIE_fastStart = (1 << 26), - eCallProceeding_UUIE_multipleCalls = (1 << 25), - eCallProceeding_UUIE_maintainConnection = (1 << 24), - eCallProceeding_UUIE_fastConnectRefused = (1 << 23), - eCallProceeding_UUIE_featureSet = (1 << 22), - } options; - TransportAddress h245Address; - CallProceeding_UUIE_fastStart fastStart; -} CallProceeding_UUIE; - -typedef struct Connect_UUIE_fastStart { /* SEQUENCE OF */ - int count; - OpenLogicalChannel item[30]; -} Connect_UUIE_fastStart; - -typedef struct Connect_UUIE { /* SEQUENCE */ - enum { - eConnect_UUIE_h245Address = (1 << 31), - eConnect_UUIE_callIdentifier = (1 << 30), - eConnect_UUIE_h245SecurityMode = (1 << 29), - eConnect_UUIE_tokens = (1 << 28), - eConnect_UUIE_cryptoTokens = (1 << 27), - eConnect_UUIE_fastStart = (1 << 26), - eConnect_UUIE_multipleCalls = (1 << 25), - eConnect_UUIE_maintainConnection = (1 << 24), - eConnect_UUIE_language = (1 << 23), - eConnect_UUIE_connectedAddress = (1 << 22), - eConnect_UUIE_presentationIndicator = (1 << 21), - eConnect_UUIE_screeningIndicator = (1 << 20), - eConnect_UUIE_fastConnectRefused = (1 << 19), - eConnect_UUIE_serviceControl = (1 << 18), - eConnect_UUIE_capacity = (1 << 17), - eConnect_UUIE_featureSet = (1 << 16), - } options; - TransportAddress h245Address; - Connect_UUIE_fastStart fastStart; -} Connect_UUIE; - -typedef struct Alerting_UUIE_fastStart { /* SEQUENCE OF */ - int count; - OpenLogicalChannel item[30]; -} Alerting_UUIE_fastStart; - -typedef struct Alerting_UUIE { /* SEQUENCE */ - enum { - eAlerting_UUIE_h245Address = (1 << 31), - eAlerting_UUIE_callIdentifier = (1 << 30), - eAlerting_UUIE_h245SecurityMode = (1 << 29), - eAlerting_UUIE_tokens = (1 << 28), - eAlerting_UUIE_cryptoTokens = (1 << 27), - eAlerting_UUIE_fastStart = (1 << 26), - eAlerting_UUIE_multipleCalls = (1 << 25), - eAlerting_UUIE_maintainConnection = (1 << 24), - eAlerting_UUIE_alertingAddress = (1 << 23), - eAlerting_UUIE_presentationIndicator = (1 << 22), - eAlerting_UUIE_screeningIndicator = (1 << 21), - eAlerting_UUIE_fastConnectRefused = (1 << 20), - eAlerting_UUIE_serviceControl = (1 << 19), - eAlerting_UUIE_capacity = (1 << 18), - eAlerting_UUIE_featureSet = (1 << 17), - } options; - TransportAddress h245Address; - Alerting_UUIE_fastStart fastStart; -} Alerting_UUIE; - -typedef struct Information_UUIE_fastStart { /* SEQUENCE OF */ - int count; - OpenLogicalChannel item[30]; -} Information_UUIE_fastStart; - -typedef struct Information_UUIE { /* SEQUENCE */ - enum { - eInformation_UUIE_callIdentifier = (1 << 31), - eInformation_UUIE_tokens = (1 << 30), - eInformation_UUIE_cryptoTokens = (1 << 29), - eInformation_UUIE_fastStart = (1 << 28), - eInformation_UUIE_fastConnectRefused = (1 << 27), - eInformation_UUIE_circuitInfo = (1 << 26), - } options; - Information_UUIE_fastStart fastStart; -} Information_UUIE; - -typedef struct FacilityReason { /* CHOICE */ - enum { - eFacilityReason_routeCallToGatekeeper, - eFacilityReason_callForwarded, - eFacilityReason_routeCallToMC, - eFacilityReason_undefinedReason, - eFacilityReason_conferenceListChoice, - eFacilityReason_startH245, - eFacilityReason_noH245, - eFacilityReason_newTokens, - eFacilityReason_featureSetUpdate, - eFacilityReason_forwardedElements, - eFacilityReason_transportedInformation, - } choice; -} FacilityReason; - -typedef struct Facility_UUIE_fastStart { /* SEQUENCE OF */ - int count; - OpenLogicalChannel item[30]; -} Facility_UUIE_fastStart; - -typedef struct Facility_UUIE { /* SEQUENCE */ - enum { - eFacility_UUIE_alternativeAddress = (1 << 31), - eFacility_UUIE_alternativeAliasAddress = (1 << 30), - eFacility_UUIE_conferenceID = (1 << 29), - eFacility_UUIE_callIdentifier = (1 << 28), - eFacility_UUIE_destExtraCallInfo = (1 << 27), - eFacility_UUIE_remoteExtensionAddress = (1 << 26), - eFacility_UUIE_tokens = (1 << 25), - eFacility_UUIE_cryptoTokens = (1 << 24), - eFacility_UUIE_conferences = (1 << 23), - eFacility_UUIE_h245Address = (1 << 22), - eFacility_UUIE_fastStart = (1 << 21), - eFacility_UUIE_multipleCalls = (1 << 20), - eFacility_UUIE_maintainConnection = (1 << 19), - eFacility_UUIE_fastConnectRefused = (1 << 18), - eFacility_UUIE_serviceControl = (1 << 17), - eFacility_UUIE_circuitInfo = (1 << 16), - eFacility_UUIE_featureSet = (1 << 15), - eFacility_UUIE_destinationInfo = (1 << 14), - eFacility_UUIE_h245SecurityMode = (1 << 13), - } options; - TransportAddress alternativeAddress; - FacilityReason reason; - TransportAddress h245Address; - Facility_UUIE_fastStart fastStart; -} Facility_UUIE; - -typedef struct Progress_UUIE_fastStart { /* SEQUENCE OF */ - int count; - OpenLogicalChannel item[30]; -} Progress_UUIE_fastStart; - -typedef struct Progress_UUIE { /* SEQUENCE */ - enum { - eProgress_UUIE_h245Address = (1 << 31), - eProgress_UUIE_h245SecurityMode = (1 << 30), - eProgress_UUIE_tokens = (1 << 29), - eProgress_UUIE_cryptoTokens = (1 << 28), - eProgress_UUIE_fastStart = (1 << 27), - eProgress_UUIE_multipleCalls = (1 << 26), - eProgress_UUIE_maintainConnection = (1 << 25), - eProgress_UUIE_fastConnectRefused = (1 << 24), - } options; - TransportAddress h245Address; - Progress_UUIE_fastStart fastStart; -} Progress_UUIE; - -typedef struct H323_UU_PDU_h323_message_body { /* CHOICE */ - enum { - eH323_UU_PDU_h323_message_body_setup, - eH323_UU_PDU_h323_message_body_callProceeding, - eH323_UU_PDU_h323_message_body_connect, - eH323_UU_PDU_h323_message_body_alerting, - eH323_UU_PDU_h323_message_body_information, - eH323_UU_PDU_h323_message_body_releaseComplete, - eH323_UU_PDU_h323_message_body_facility, - eH323_UU_PDU_h323_message_body_progress, - eH323_UU_PDU_h323_message_body_empty, - eH323_UU_PDU_h323_message_body_status, - eH323_UU_PDU_h323_message_body_statusInquiry, - eH323_UU_PDU_h323_message_body_setupAcknowledge, - eH323_UU_PDU_h323_message_body_notify, - } choice; - union { - Setup_UUIE setup; - CallProceeding_UUIE callProceeding; - Connect_UUIE connect; - Alerting_UUIE alerting; - Information_UUIE information; - Facility_UUIE facility; - Progress_UUIE progress; - }; -} H323_UU_PDU_h323_message_body; - -typedef struct RequestMessage { /* CHOICE */ - enum { - eRequestMessage_nonStandard, - eRequestMessage_masterSlaveDetermination, - eRequestMessage_terminalCapabilitySet, - eRequestMessage_openLogicalChannel, - eRequestMessage_closeLogicalChannel, - eRequestMessage_requestChannelClose, - eRequestMessage_multiplexEntrySend, - eRequestMessage_requestMultiplexEntry, - eRequestMessage_requestMode, - eRequestMessage_roundTripDelayRequest, - eRequestMessage_maintenanceLoopRequest, - eRequestMessage_communicationModeRequest, - eRequestMessage_conferenceRequest, - eRequestMessage_multilinkRequest, - eRequestMessage_logicalChannelRateRequest, - } choice; - union { - OpenLogicalChannel openLogicalChannel; - }; -} RequestMessage; - -typedef struct OpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters { /* CHOICE */ - enum { - eOpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters_h222LogicalChannelParameters, - eOpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters_h2250LogicalChannelParameters, - } choice; - union { - H2250LogicalChannelParameters h2250LogicalChannelParameters; - }; -} OpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters; - -typedef struct OpenLogicalChannelAck_reverseLogicalChannelParameters { /* SEQUENCE */ - enum { - eOpenLogicalChannelAck_reverseLogicalChannelParameters_portNumber - = (1 << 31), - eOpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters - = (1 << 30), - eOpenLogicalChannelAck_reverseLogicalChannelParameters_replacementFor - = (1 << 29), - } options; - OpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters - multiplexParameters; -} OpenLogicalChannelAck_reverseLogicalChannelParameters; - -typedef struct H2250LogicalChannelAckParameters { /* SEQUENCE */ - enum { - eH2250LogicalChannelAckParameters_nonStandard = (1 << 31), - eH2250LogicalChannelAckParameters_sessionID = (1 << 30), - eH2250LogicalChannelAckParameters_mediaChannel = (1 << 29), - eH2250LogicalChannelAckParameters_mediaControlChannel = - (1 << 28), - eH2250LogicalChannelAckParameters_dynamicRTPPayloadType = - (1 << 27), - eH2250LogicalChannelAckParameters_flowControlToZero = - (1 << 26), - eH2250LogicalChannelAckParameters_portNumber = (1 << 25), - } options; - H245_TransportAddress mediaChannel; - H245_TransportAddress mediaControlChannel; -} H2250LogicalChannelAckParameters; - -typedef struct OpenLogicalChannelAck_forwardMultiplexAckParameters { /* CHOICE */ - enum { - eOpenLogicalChannelAck_forwardMultiplexAckParameters_h2250LogicalChannelAckParameters, - } choice; - union { - H2250LogicalChannelAckParameters - h2250LogicalChannelAckParameters; - }; -} OpenLogicalChannelAck_forwardMultiplexAckParameters; - -typedef struct OpenLogicalChannelAck { /* SEQUENCE */ - enum { - eOpenLogicalChannelAck_reverseLogicalChannelParameters = - (1 << 31), - eOpenLogicalChannelAck_separateStack = (1 << 30), - eOpenLogicalChannelAck_forwardMultiplexAckParameters = - (1 << 29), - eOpenLogicalChannelAck_encryptionSync = (1 << 28), - } options; - OpenLogicalChannelAck_reverseLogicalChannelParameters - reverseLogicalChannelParameters; - OpenLogicalChannelAck_forwardMultiplexAckParameters - forwardMultiplexAckParameters; -} OpenLogicalChannelAck; - -typedef struct ResponseMessage { /* CHOICE */ - enum { - eResponseMessage_nonStandard, - eResponseMessage_masterSlaveDeterminationAck, - eResponseMessage_masterSlaveDeterminationReject, - eResponseMessage_terminalCapabilitySetAck, - eResponseMessage_terminalCapabilitySetReject, - eResponseMessage_openLogicalChannelAck, - eResponseMessage_openLogicalChannelReject, - eResponseMessage_closeLogicalChannelAck, - eResponseMessage_requestChannelCloseAck, - eResponseMessage_requestChannelCloseReject, - eResponseMessage_multiplexEntrySendAck, - eResponseMessage_multiplexEntrySendReject, - eResponseMessage_requestMultiplexEntryAck, - eResponseMessage_requestMultiplexEntryReject, - eResponseMessage_requestModeAck, - eResponseMessage_requestModeReject, - eResponseMessage_roundTripDelayResponse, - eResponseMessage_maintenanceLoopAck, - eResponseMessage_maintenanceLoopReject, - eResponseMessage_communicationModeResponse, - eResponseMessage_conferenceResponse, - eResponseMessage_multilinkResponse, - eResponseMessage_logicalChannelRateAcknowledge, - eResponseMessage_logicalChannelRateReject, - } choice; - union { - OpenLogicalChannelAck openLogicalChannelAck; - }; -} ResponseMessage; - -typedef struct MultimediaSystemControlMessage { /* CHOICE */ - enum { - eMultimediaSystemControlMessage_request, - eMultimediaSystemControlMessage_response, - eMultimediaSystemControlMessage_command, - eMultimediaSystemControlMessage_indication, - } choice; - union { - RequestMessage request; - ResponseMessage response; - }; -} MultimediaSystemControlMessage; - -typedef struct H323_UU_PDU_h245Control { /* SEQUENCE OF */ - int count; - MultimediaSystemControlMessage item[4]; -} H323_UU_PDU_h245Control; - -typedef struct H323_UU_PDU { /* SEQUENCE */ - enum { - eH323_UU_PDU_nonStandardData = (1 << 31), - eH323_UU_PDU_h4501SupplementaryService = (1 << 30), - eH323_UU_PDU_h245Tunneling = (1 << 29), - eH323_UU_PDU_h245Control = (1 << 28), - eH323_UU_PDU_nonStandardControl = (1 << 27), - eH323_UU_PDU_callLinkage = (1 << 26), - eH323_UU_PDU_tunnelledSignallingMessage = (1 << 25), - eH323_UU_PDU_provisionalRespToH245Tunneling = (1 << 24), - eH323_UU_PDU_stimulusControl = (1 << 23), - eH323_UU_PDU_genericData = (1 << 22), - } options; - H323_UU_PDU_h323_message_body h323_message_body; - H323_UU_PDU_h245Control h245Control; -} H323_UU_PDU; - -typedef struct H323_UserInformation { /* SEQUENCE */ - enum { - eH323_UserInformation_user_data = (1 << 31), - } options; - H323_UU_PDU h323_uu_pdu; -} H323_UserInformation; - -typedef struct GatekeeperRequest { /* SEQUENCE */ - enum { - eGatekeeperRequest_nonStandardData = (1 << 31), - eGatekeeperRequest_gatekeeperIdentifier = (1 << 30), - eGatekeeperRequest_callServices = (1 << 29), - eGatekeeperRequest_endpointAlias = (1 << 28), - eGatekeeperRequest_alternateEndpoints = (1 << 27), - eGatekeeperRequest_tokens = (1 << 26), - eGatekeeperRequest_cryptoTokens = (1 << 25), - eGatekeeperRequest_authenticationCapability = (1 << 24), - eGatekeeperRequest_algorithmOIDs = (1 << 23), - eGatekeeperRequest_integrity = (1 << 22), - eGatekeeperRequest_integrityCheckValue = (1 << 21), - eGatekeeperRequest_supportsAltGK = (1 << 20), - eGatekeeperRequest_featureSet = (1 << 19), - eGatekeeperRequest_genericData = (1 << 18), - } options; - TransportAddress rasAddress; -} GatekeeperRequest; - -typedef struct GatekeeperConfirm { /* SEQUENCE */ - enum { - eGatekeeperConfirm_nonStandardData = (1 << 31), - eGatekeeperConfirm_gatekeeperIdentifier = (1 << 30), - eGatekeeperConfirm_alternateGatekeeper = (1 << 29), - eGatekeeperConfirm_authenticationMode = (1 << 28), - eGatekeeperConfirm_tokens = (1 << 27), - eGatekeeperConfirm_cryptoTokens = (1 << 26), - eGatekeeperConfirm_algorithmOID = (1 << 25), - eGatekeeperConfirm_integrity = (1 << 24), - eGatekeeperConfirm_integrityCheckValue = (1 << 23), - eGatekeeperConfirm_featureSet = (1 << 22), - eGatekeeperConfirm_genericData = (1 << 21), - } options; - TransportAddress rasAddress; -} GatekeeperConfirm; - -typedef struct RegistrationRequest_callSignalAddress { /* SEQUENCE OF */ - int count; - TransportAddress item[10]; -} RegistrationRequest_callSignalAddress; - -typedef struct RegistrationRequest_rasAddress { /* SEQUENCE OF */ - int count; - TransportAddress item[10]; -} RegistrationRequest_rasAddress; - -typedef struct RegistrationRequest { /* SEQUENCE */ - enum { - eRegistrationRequest_nonStandardData = (1 << 31), - eRegistrationRequest_terminalAlias = (1 << 30), - eRegistrationRequest_gatekeeperIdentifier = (1 << 29), - eRegistrationRequest_alternateEndpoints = (1 << 28), - eRegistrationRequest_timeToLive = (1 << 27), - eRegistrationRequest_tokens = (1 << 26), - eRegistrationRequest_cryptoTokens = (1 << 25), - eRegistrationRequest_integrityCheckValue = (1 << 24), - eRegistrationRequest_keepAlive = (1 << 23), - eRegistrationRequest_endpointIdentifier = (1 << 22), - eRegistrationRequest_willSupplyUUIEs = (1 << 21), - eRegistrationRequest_maintainConnection = (1 << 20), - eRegistrationRequest_alternateTransportAddresses = (1 << 19), - eRegistrationRequest_additiveRegistration = (1 << 18), - eRegistrationRequest_terminalAliasPattern = (1 << 17), - eRegistrationRequest_supportsAltGK = (1 << 16), - eRegistrationRequest_usageReportingCapability = (1 << 15), - eRegistrationRequest_multipleCalls = (1 << 14), - eRegistrationRequest_supportedH248Packages = (1 << 13), - eRegistrationRequest_callCreditCapability = (1 << 12), - eRegistrationRequest_capacityReportingCapability = (1 << 11), - eRegistrationRequest_capacity = (1 << 10), - eRegistrationRequest_featureSet = (1 << 9), - eRegistrationRequest_genericData = (1 << 8), - } options; - RegistrationRequest_callSignalAddress callSignalAddress; - RegistrationRequest_rasAddress rasAddress; - unsigned timeToLive; -} RegistrationRequest; - -typedef struct RegistrationConfirm_callSignalAddress { /* SEQUENCE OF */ - int count; - TransportAddress item[10]; -} RegistrationConfirm_callSignalAddress; - -typedef struct RegistrationConfirm { /* SEQUENCE */ - enum { - eRegistrationConfirm_nonStandardData = (1 << 31), - eRegistrationConfirm_terminalAlias = (1 << 30), - eRegistrationConfirm_gatekeeperIdentifier = (1 << 29), - eRegistrationConfirm_alternateGatekeeper = (1 << 28), - eRegistrationConfirm_timeToLive = (1 << 27), - eRegistrationConfirm_tokens = (1 << 26), - eRegistrationConfirm_cryptoTokens = (1 << 25), - eRegistrationConfirm_integrityCheckValue = (1 << 24), - eRegistrationConfirm_willRespondToIRR = (1 << 23), - eRegistrationConfirm_preGrantedARQ = (1 << 22), - eRegistrationConfirm_maintainConnection = (1 << 21), - eRegistrationConfirm_serviceControl = (1 << 20), - eRegistrationConfirm_supportsAdditiveRegistration = (1 << 19), - eRegistrationConfirm_terminalAliasPattern = (1 << 18), - eRegistrationConfirm_supportedPrefixes = (1 << 17), - eRegistrationConfirm_usageSpec = (1 << 16), - eRegistrationConfirm_featureServerAlias = (1 << 15), - eRegistrationConfirm_capacityReportingSpec = (1 << 14), - eRegistrationConfirm_featureSet = (1 << 13), - eRegistrationConfirm_genericData = (1 << 12), - } options; - RegistrationConfirm_callSignalAddress callSignalAddress; - unsigned timeToLive; -} RegistrationConfirm; - -typedef struct UnregistrationRequest_callSignalAddress { /* SEQUENCE OF */ - int count; - TransportAddress item[10]; -} UnregistrationRequest_callSignalAddress; - -typedef struct UnregistrationRequest { /* SEQUENCE */ - enum { - eUnregistrationRequest_endpointAlias = (1 << 31), - eUnregistrationRequest_nonStandardData = (1 << 30), - eUnregistrationRequest_endpointIdentifier = (1 << 29), - eUnregistrationRequest_alternateEndpoints = (1 << 28), - eUnregistrationRequest_gatekeeperIdentifier = (1 << 27), - eUnregistrationRequest_tokens = (1 << 26), - eUnregistrationRequest_cryptoTokens = (1 << 25), - eUnregistrationRequest_integrityCheckValue = (1 << 24), - eUnregistrationRequest_reason = (1 << 23), - eUnregistrationRequest_endpointAliasPattern = (1 << 22), - eUnregistrationRequest_supportedPrefixes = (1 << 21), - eUnregistrationRequest_alternateGatekeeper = (1 << 20), - eUnregistrationRequest_genericData = (1 << 19), - } options; - UnregistrationRequest_callSignalAddress callSignalAddress; -} UnregistrationRequest; - -typedef struct AdmissionRequest { /* SEQUENCE */ - enum { - eAdmissionRequest_callModel = (1 << 31), - eAdmissionRequest_destinationInfo = (1 << 30), - eAdmissionRequest_destCallSignalAddress = (1 << 29), - eAdmissionRequest_destExtraCallInfo = (1 << 28), - eAdmissionRequest_srcCallSignalAddress = (1 << 27), - eAdmissionRequest_nonStandardData = (1 << 26), - eAdmissionRequest_callServices = (1 << 25), - eAdmissionRequest_canMapAlias = (1 << 24), - eAdmissionRequest_callIdentifier = (1 << 23), - eAdmissionRequest_srcAlternatives = (1 << 22), - eAdmissionRequest_destAlternatives = (1 << 21), - eAdmissionRequest_gatekeeperIdentifier = (1 << 20), - eAdmissionRequest_tokens = (1 << 19), - eAdmissionRequest_cryptoTokens = (1 << 18), - eAdmissionRequest_integrityCheckValue = (1 << 17), - eAdmissionRequest_transportQOS = (1 << 16), - eAdmissionRequest_willSupplyUUIEs = (1 << 15), - eAdmissionRequest_callLinkage = (1 << 14), - eAdmissionRequest_gatewayDataRate = (1 << 13), - eAdmissionRequest_capacity = (1 << 12), - eAdmissionRequest_circuitInfo = (1 << 11), - eAdmissionRequest_desiredProtocols = (1 << 10), - eAdmissionRequest_desiredTunnelledProtocol = (1 << 9), - eAdmissionRequest_featureSet = (1 << 8), - eAdmissionRequest_genericData = (1 << 7), - } options; - TransportAddress destCallSignalAddress; - TransportAddress srcCallSignalAddress; -} AdmissionRequest; - -typedef struct AdmissionConfirm { /* SEQUENCE */ - enum { - eAdmissionConfirm_irrFrequency = (1 << 31), - eAdmissionConfirm_nonStandardData = (1 << 30), - eAdmissionConfirm_destinationInfo = (1 << 29), - eAdmissionConfirm_destExtraCallInfo = (1 << 28), - eAdmissionConfirm_destinationType = (1 << 27), - eAdmissionConfirm_remoteExtensionAddress = (1 << 26), - eAdmissionConfirm_alternateEndpoints = (1 << 25), - eAdmissionConfirm_tokens = (1 << 24), - eAdmissionConfirm_cryptoTokens = (1 << 23), - eAdmissionConfirm_integrityCheckValue = (1 << 22), - eAdmissionConfirm_transportQOS = (1 << 21), - eAdmissionConfirm_willRespondToIRR = (1 << 20), - eAdmissionConfirm_uuiesRequested = (1 << 19), - eAdmissionConfirm_language = (1 << 18), - eAdmissionConfirm_alternateTransportAddresses = (1 << 17), - eAdmissionConfirm_useSpecifiedTransport = (1 << 16), - eAdmissionConfirm_circuitInfo = (1 << 15), - eAdmissionConfirm_usageSpec = (1 << 14), - eAdmissionConfirm_supportedProtocols = (1 << 13), - eAdmissionConfirm_serviceControl = (1 << 12), - eAdmissionConfirm_multipleCalls = (1 << 11), - eAdmissionConfirm_featureSet = (1 << 10), - eAdmissionConfirm_genericData = (1 << 9), - } options; - TransportAddress destCallSignalAddress; -} AdmissionConfirm; - -typedef struct LocationRequest { /* SEQUENCE */ - enum { - eLocationRequest_endpointIdentifier = (1 << 31), - eLocationRequest_nonStandardData = (1 << 30), - eLocationRequest_sourceInfo = (1 << 29), - eLocationRequest_canMapAlias = (1 << 28), - eLocationRequest_gatekeeperIdentifier = (1 << 27), - eLocationRequest_tokens = (1 << 26), - eLocationRequest_cryptoTokens = (1 << 25), - eLocationRequest_integrityCheckValue = (1 << 24), - eLocationRequest_desiredProtocols = (1 << 23), - eLocationRequest_desiredTunnelledProtocol = (1 << 22), - eLocationRequest_featureSet = (1 << 21), - eLocationRequest_genericData = (1 << 20), - eLocationRequest_hopCount = (1 << 19), - eLocationRequest_circuitInfo = (1 << 18), - } options; - TransportAddress replyAddress; -} LocationRequest; - -typedef struct LocationConfirm { /* SEQUENCE */ - enum { - eLocationConfirm_nonStandardData = (1 << 31), - eLocationConfirm_destinationInfo = (1 << 30), - eLocationConfirm_destExtraCallInfo = (1 << 29), - eLocationConfirm_destinationType = (1 << 28), - eLocationConfirm_remoteExtensionAddress = (1 << 27), - eLocationConfirm_alternateEndpoints = (1 << 26), - eLocationConfirm_tokens = (1 << 25), - eLocationConfirm_cryptoTokens = (1 << 24), - eLocationConfirm_integrityCheckValue = (1 << 23), - eLocationConfirm_alternateTransportAddresses = (1 << 22), - eLocationConfirm_supportedProtocols = (1 << 21), - eLocationConfirm_multipleCalls = (1 << 20), - eLocationConfirm_featureSet = (1 << 19), - eLocationConfirm_genericData = (1 << 18), - eLocationConfirm_circuitInfo = (1 << 17), - eLocationConfirm_serviceControl = (1 << 16), - } options; - TransportAddress callSignalAddress; - TransportAddress rasAddress; -} LocationConfirm; - -typedef struct InfoRequestResponse_callSignalAddress { /* SEQUENCE OF */ - int count; - TransportAddress item[10]; -} InfoRequestResponse_callSignalAddress; - -typedef struct InfoRequestResponse { /* SEQUENCE */ - enum { - eInfoRequestResponse_nonStandardData = (1 << 31), - eInfoRequestResponse_endpointAlias = (1 << 30), - eInfoRequestResponse_perCallInfo = (1 << 29), - eInfoRequestResponse_tokens = (1 << 28), - eInfoRequestResponse_cryptoTokens = (1 << 27), - eInfoRequestResponse_integrityCheckValue = (1 << 26), - eInfoRequestResponse_needResponse = (1 << 25), - eInfoRequestResponse_capacity = (1 << 24), - eInfoRequestResponse_irrStatus = (1 << 23), - eInfoRequestResponse_unsolicited = (1 << 22), - eInfoRequestResponse_genericData = (1 << 21), - } options; - TransportAddress rasAddress; - InfoRequestResponse_callSignalAddress callSignalAddress; -} InfoRequestResponse; - -typedef struct RasMessage { /* CHOICE */ - enum { - eRasMessage_gatekeeperRequest, - eRasMessage_gatekeeperConfirm, - eRasMessage_gatekeeperReject, - eRasMessage_registrationRequest, - eRasMessage_registrationConfirm, - eRasMessage_registrationReject, - eRasMessage_unregistrationRequest, - eRasMessage_unregistrationConfirm, - eRasMessage_unregistrationReject, - eRasMessage_admissionRequest, - eRasMessage_admissionConfirm, - eRasMessage_admissionReject, - eRasMessage_bandwidthRequest, - eRasMessage_bandwidthConfirm, - eRasMessage_bandwidthReject, - eRasMessage_disengageRequest, - eRasMessage_disengageConfirm, - eRasMessage_disengageReject, - eRasMessage_locationRequest, - eRasMessage_locationConfirm, - eRasMessage_locationReject, - eRasMessage_infoRequest, - eRasMessage_infoRequestResponse, - eRasMessage_nonStandardMessage, - eRasMessage_unknownMessageResponse, - eRasMessage_requestInProgress, - eRasMessage_resourcesAvailableIndicate, - eRasMessage_resourcesAvailableConfirm, - eRasMessage_infoRequestAck, - eRasMessage_infoRequestNak, - eRasMessage_serviceControlIndication, - eRasMessage_serviceControlResponse, - } choice; - union { - GatekeeperRequest gatekeeperRequest; - GatekeeperConfirm gatekeeperConfirm; - RegistrationRequest registrationRequest; - RegistrationConfirm registrationConfirm; - UnregistrationRequest unregistrationRequest; - AdmissionRequest admissionRequest; - AdmissionConfirm admissionConfirm; - LocationRequest locationRequest; - LocationConfirm locationConfirm; - InfoRequestResponse infoRequestResponse; - }; -} RasMessage; diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index 83694cf..1646076 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -41,11 +41,13 @@ union nf_conntrack_expect_proto { /* Add protocol helper include file here */ #include +#include /* per conntrack: application helper private data */ union nf_conntrack_help { /* insert conntrack helper private data (master) here */ struct nf_ct_ftp_master ct_ftp_info; + struct nf_ct_h323_master ct_h323_info; }; #include diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h index 54a3d03..cef3136 100644 --- a/include/net/netfilter/nf_conntrack_expect.h +++ b/include/net/netfilter/nf_conntrack_expect.h @@ -41,6 +41,7 @@ struct nf_conntrack_expect unsigned int flags; #ifdef CONFIG_NF_NAT_NEEDED + __be32 saved_ip; /* This is the original per-proto part, used to map the * expected connection the way the recipient expects. */ union nf_conntrack_man_proto saved_proto; diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig index 6993ec5..e14156d 100644 --- a/net/ipv4/netfilter/Kconfig +++ b/net/ipv4/netfilter/Kconfig @@ -529,6 +529,11 @@ config IP_NF_NAT_H323 default IP_NF_NAT if IP_NF_H323=y default m if IP_NF_H323=m +config NF_NAT_H323 + tristate + depends on IP_NF_IPTABLES && NF_CONNTRACK && NF_NAT + default NF_NAT && NF_CONNTRACK_H323 + config IP_NF_NAT_SIP tristate depends on IP_NF_IPTABLES!=n && IP_NF_CONNTRACK!=n && IP_NF_NAT!=n diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile index 8893249b..bdaba47 100644 --- a/net/ipv4/netfilter/Makefile +++ b/net/ipv4/netfilter/Makefile @@ -15,7 +15,7 @@ endif ip_conntrack_pptp-objs := ip_conntrack_helper_pptp.o ip_conntrack_proto_gre.o ip_nat_pptp-objs := ip_nat_helper_pptp.o ip_nat_proto_gre.o -ip_conntrack_h323-objs := ip_conntrack_helper_h323.o ip_conntrack_helper_h323_asn1.o +ip_conntrack_h323-objs := ip_conntrack_helper_h323.o ../../netfilter/nf_conntrack_h323_asn1.o ip_nat_h323-objs := ip_nat_helper_h323.o # connection tracking @@ -52,6 +52,7 @@ obj-$(CONFIG_IP_NF_NAT_SIP) += ip_nat_sip.o # NAT helpers (nf_conntrack) obj-$(CONFIG_NF_NAT_AMANDA) += nf_nat_amanda.o obj-$(CONFIG_NF_NAT_FTP) += nf_nat_ftp.o +obj-$(CONFIG_NF_NAT_H323) += nf_nat_h323.o # generic IP tables obj-$(CONFIG_IP_NF_IPTABLES) += ip_tables.o diff --git a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c b/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c deleted file mode 100644 index 26dfeca..0000000 --- a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c +++ /dev/null @@ -1,874 +0,0 @@ -/**************************************************************************** - * ip_conntrack_helper_h323_asn1.c - BER and PER decoding library for H.323 - * conntrack/NAT module. - * - * Copyright (c) 2006 by Jing Min Zhao - * - * This source code is licensed under General Public License version 2. - * - * See ip_conntrack_helper_h323_asn1.h for details. - * - ****************************************************************************/ - -#ifdef __KERNEL__ -#include -#else -#include -#endif -#include - -/* Trace Flag */ -#ifndef H323_TRACE -#define H323_TRACE 0 -#endif - -#if H323_TRACE -#define TAB_SIZE 4 -#define IFTHEN(cond, act) if(cond){act;} -#ifdef __KERNEL__ -#define PRINT printk -#else -#define PRINT printf -#endif -#define FNAME(name) name, -#else -#define IFTHEN(cond, act) -#define PRINT(fmt, args...) -#define FNAME(name) -#endif - -/* ASN.1 Types */ -#define NUL 0 -#define BOOL 1 -#define OID 2 -#define INT 3 -#define ENUM 4 -#define BITSTR 5 -#define NUMSTR 6 -#define NUMDGT 6 -#define TBCDSTR 6 -#define OCTSTR 7 -#define PRTSTR 7 -#define IA5STR 7 -#define GENSTR 7 -#define BMPSTR 8 -#define SEQ 9 -#define SET 9 -#define SEQOF 10 -#define SETOF 10 -#define CHOICE 11 - -/* Constraint Types */ -#define FIXD 0 -/* #define BITS 1-8 */ -#define BYTE 9 -#define WORD 10 -#define CONS 11 -#define SEMI 12 -#define UNCO 13 - -/* ASN.1 Type Attributes */ -#define SKIP 0 -#define STOP 1 -#define DECODE 2 -#define EXT 4 -#define OPEN 8 -#define OPT 16 - - -/* ASN.1 Field Structure */ -typedef struct field_t { -#if H323_TRACE - char *name; -#endif - unsigned char type; - unsigned char sz; - unsigned char lb; - unsigned char ub; - unsigned short attr; - unsigned short offset; - struct field_t *fields; -} field_t; - -/* Bit Stream */ -typedef struct { - unsigned char *buf; - unsigned char *beg; - unsigned char *end; - unsigned char *cur; - unsigned bit; -} bitstr_t; - -/* Tool Functions */ -#define INC_BIT(bs) if((++bs->bit)>7){bs->cur++;bs->bit=0;} -#define INC_BITS(bs,b) if((bs->bit+=b)>7){bs->cur+=bs->bit>>3;bs->bit&=7;} -#define BYTE_ALIGN(bs) if(bs->bit){bs->cur++;bs->bit=0;} -#define CHECK_BOUND(bs,n) if(bs->cur+(n)>bs->end)return(H323_ERROR_BOUND) -static unsigned get_len(bitstr_t * bs); -static unsigned get_bit(bitstr_t * bs); -static unsigned get_bits(bitstr_t * bs, unsigned b); -static unsigned get_bitmap(bitstr_t * bs, unsigned b); -static unsigned get_uint(bitstr_t * bs, int b); - -/* Decoder Functions */ -static int decode_nul(bitstr_t * bs, field_t * f, char *base, int level); -static int decode_bool(bitstr_t * bs, field_t * f, char *base, int level); -static int decode_oid(bitstr_t * bs, field_t * f, char *base, int level); -static int decode_int(bitstr_t * bs, field_t * f, char *base, int level); -static int decode_enum(bitstr_t * bs, field_t * f, char *base, int level); -static int decode_bitstr(bitstr_t * bs, field_t * f, char *base, int level); -static int decode_numstr(bitstr_t * bs, field_t * f, char *base, int level); -static int decode_octstr(bitstr_t * bs, field_t * f, char *base, int level); -static int decode_bmpstr(bitstr_t * bs, field_t * f, char *base, int level); -static int decode_seq(bitstr_t * bs, field_t * f, char *base, int level); -static int decode_seqof(bitstr_t * bs, field_t * f, char *base, int level); -static int decode_choice(bitstr_t * bs, field_t * f, char *base, int level); - -/* Decoder Functions Vector */ -typedef int (*decoder_t) (bitstr_t *, field_t *, char *, int); -static decoder_t Decoders[] = { - decode_nul, - decode_bool, - decode_oid, - decode_int, - decode_enum, - decode_bitstr, - decode_numstr, - decode_octstr, - decode_bmpstr, - decode_seq, - decode_seqof, - decode_choice, -}; - -/**************************************************************************** - * H.323 Types - ****************************************************************************/ -#include "ip_conntrack_helper_h323_types.c" - -/**************************************************************************** - * Functions - ****************************************************************************/ -/* Assume bs is aligned && v < 16384 */ -unsigned get_len(bitstr_t * bs) -{ - unsigned v; - - v = *bs->cur++; - - if (v & 0x80) { - v &= 0x3f; - v <<= 8; - v += *bs->cur++; - } - - return v; -} - -/****************************************************************************/ -unsigned get_bit(bitstr_t * bs) -{ - unsigned b = (*bs->cur) & (0x80 >> bs->bit); - - INC_BIT(bs); - - return b; -} - -/****************************************************************************/ -/* Assume b <= 8 */ -unsigned get_bits(bitstr_t * bs, unsigned b) -{ - unsigned v, l; - - v = (*bs->cur) & (0xffU >> bs->bit); - l = b + bs->bit; - - if (l < 8) { - v >>= 8 - l; - bs->bit = l; - } else if (l == 8) { - bs->cur++; - bs->bit = 0; - } else { /* l > 8 */ - - v <<= 8; - v += *(++bs->cur); - v >>= 16 - l; - bs->bit = l - 8; - } - - return v; -} - -/****************************************************************************/ -/* Assume b <= 32 */ -unsigned get_bitmap(bitstr_t * bs, unsigned b) -{ - unsigned v, l, shift, bytes; - - if (!b) - return 0; - - l = bs->bit + b; - - if (l < 8) { - v = (unsigned) (*bs->cur) << (bs->bit + 24); - bs->bit = l; - } else if (l == 8) { - v = (unsigned) (*bs->cur++) << (bs->bit + 24); - bs->bit = 0; - } else { - for (bytes = l >> 3, shift = 24, v = 0; bytes; - bytes--, shift -= 8) - v |= (unsigned) (*bs->cur++) << shift; - - if (l < 32) { - v |= (unsigned) (*bs->cur) << shift; - v <<= bs->bit; - } else if (l > 32) { - v <<= bs->bit; - v |= (*bs->cur) >> (8 - bs->bit); - } - - bs->bit = l & 0x7; - } - - v &= 0xffffffff << (32 - b); - - return v; -} - -/**************************************************************************** - * Assume bs is aligned and sizeof(unsigned int) == 4 - ****************************************************************************/ -unsigned get_uint(bitstr_t * bs, int b) -{ - unsigned v = 0; - - switch (b) { - case 4: - v |= *bs->cur++; - v <<= 8; - case 3: - v |= *bs->cur++; - v <<= 8; - case 2: - v |= *bs->cur++; - v <<= 8; - case 1: - v |= *bs->cur++; - break; - } - return v; -} - -/****************************************************************************/ -int decode_nul(bitstr_t * bs, field_t * f, char *base, int level) -{ - PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); - - return H323_ERROR_NONE; -} - -/****************************************************************************/ -int decode_bool(bitstr_t * bs, field_t * f, char *base, int level) -{ - PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); - - INC_BIT(bs); - - CHECK_BOUND(bs, 0); - return H323_ERROR_NONE; -} - -/****************************************************************************/ -int decode_oid(bitstr_t * bs, field_t * f, char *base, int level) -{ - int len; - - PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); - - BYTE_ALIGN(bs); - CHECK_BOUND(bs, 1); - len = *bs->cur++; - bs->cur += len; - - CHECK_BOUND(bs, 0); - return H323_ERROR_NONE; -} - -/****************************************************************************/ -int decode_int(bitstr_t * bs, field_t * f, char *base, int level) -{ - unsigned len; - - PRINT("%*.s%s", level * TAB_SIZE, " ", f->name); - - switch (f->sz) { - case BYTE: /* Range == 256 */ - BYTE_ALIGN(bs); - bs->cur++; - break; - case WORD: /* 257 <= Range <= 64K */ - BYTE_ALIGN(bs); - bs->cur += 2; - break; - case CONS: /* 64K < Range < 4G */ - len = get_bits(bs, 2) + 1; - BYTE_ALIGN(bs); - if (base && (f->attr & DECODE)) { /* timeToLive */ - unsigned v = get_uint(bs, len) + f->lb; - PRINT(" = %u", v); - *((unsigned *) (base + f->offset)) = v; - } - bs->cur += len; - break; - case UNCO: - BYTE_ALIGN(bs); - CHECK_BOUND(bs, 2); - len = get_len(bs); - bs->cur += len; - break; - default: /* 2 <= Range <= 255 */ - INC_BITS(bs, f->sz); - break; - } - - PRINT("\n"); - - CHECK_BOUND(bs, 0); - return H323_ERROR_NONE; -} - -/****************************************************************************/ -int decode_enum(bitstr_t * bs, field_t * f, char *base, int level) -{ - PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); - - if ((f->attr & EXT) && get_bit(bs)) { - INC_BITS(bs, 7); - } else { - INC_BITS(bs, f->sz); - } - - CHECK_BOUND(bs, 0); - return H323_ERROR_NONE; -} - -/****************************************************************************/ -int decode_bitstr(bitstr_t * bs, field_t * f, char *base, int level) -{ - unsigned len; - - PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); - - BYTE_ALIGN(bs); - switch (f->sz) { - case FIXD: /* fixed length > 16 */ - len = f->lb; - break; - case WORD: /* 2-byte length */ - CHECK_BOUND(bs, 2); - len = (*bs->cur++) << 8; - len += (*bs->cur++) + f->lb; - break; - case SEMI: - CHECK_BOUND(bs, 2); - len = get_len(bs); - break; - default: - len = 0; - break; - } - - bs->cur += len >> 3; - bs->bit = len & 7; - - CHECK_BOUND(bs, 0); - return H323_ERROR_NONE; -} - -/****************************************************************************/ -int decode_numstr(bitstr_t * bs, field_t * f, char *base, int level) -{ - unsigned len; - - PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); - - /* 2 <= Range <= 255 */ - len = get_bits(bs, f->sz) + f->lb; - - BYTE_ALIGN(bs); - INC_BITS(bs, (len << 2)); - - CHECK_BOUND(bs, 0); - return H323_ERROR_NONE; -} - -/****************************************************************************/ -int decode_octstr(bitstr_t * bs, field_t * f, char *base, int level) -{ - unsigned len; - - PRINT("%*.s%s", level * TAB_SIZE, " ", f->name); - - switch (f->sz) { - case FIXD: /* Range == 1 */ - if (f->lb > 2) { - BYTE_ALIGN(bs); - if (base && (f->attr & DECODE)) { - /* The IP Address */ - IFTHEN(f->lb == 4, - PRINT(" = %d.%d.%d.%d:%d", - bs->cur[0], bs->cur[1], - bs->cur[2], bs->cur[3], - bs->cur[4] * 256 + bs->cur[5])); - *((unsigned *) (base + f->offset)) = - bs->cur - bs->buf; - } - } - len = f->lb; - break; - case BYTE: /* Range == 256 */ - BYTE_ALIGN(bs); - CHECK_BOUND(bs, 1); - len = (*bs->cur++) + f->lb; - break; - case SEMI: - BYTE_ALIGN(bs); - CHECK_BOUND(bs, 2); - len = get_len(bs) + f->lb; - break; - default: /* 2 <= Range <= 255 */ - len = get_bits(bs, f->sz) + f->lb; - BYTE_ALIGN(bs); - break; - } - - bs->cur += len; - - PRINT("\n"); - - CHECK_BOUND(bs, 0); - return H323_ERROR_NONE; -} - -/****************************************************************************/ -int decode_bmpstr(bitstr_t * bs, field_t * f, char *base, int level) -{ - unsigned len; - - PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); - - switch (f->sz) { - case BYTE: /* Range == 256 */ - BYTE_ALIGN(bs); - CHECK_BOUND(bs, 1); - len = (*bs->cur++) + f->lb; - break; - default: /* 2 <= Range <= 255 */ - len = get_bits(bs, f->sz) + f->lb; - BYTE_ALIGN(bs); - break; - } - - bs->cur += len << 1; - - CHECK_BOUND(bs, 0); - return H323_ERROR_NONE; -} - -/****************************************************************************/ -int decode_seq(bitstr_t * bs, field_t * f, char *base, int level) -{ - unsigned ext, bmp, i, opt, len = 0, bmp2, bmp2_len; - int err; - field_t *son; - unsigned char *beg = NULL; - - PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); - - /* Decode? */ - base = (base && (f->attr & DECODE)) ? base + f->offset : NULL; - - /* Extensible? */ - ext = (f->attr & EXT) ? get_bit(bs) : 0; - - /* Get fields bitmap */ - bmp = get_bitmap(bs, f->sz); - if (base) - *(unsigned *) base = bmp; - - /* Decode the root components */ - for (i = opt = 0, son = f->fields; i < f->lb; i++, son++) { - if (son->attr & STOP) { - PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, " ", - son->name); - return H323_ERROR_STOP; - } - - if (son->attr & OPT) { /* Optional component */ - if (!((0x80000000U >> (opt++)) & bmp)) /* Not exist */ - continue; - } - - /* Decode */ - if (son->attr & OPEN) { /* Open field */ - CHECK_BOUND(bs, 2); - len = get_len(bs); - CHECK_BOUND(bs, len); - if (!base) { - PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, - " ", son->name); - bs->cur += len; - continue; - } - beg = bs->cur; - - /* Decode */ - if ((err = (Decoders[son->type]) (bs, son, base, - level + 1)) < - H323_ERROR_NONE) - return err; - - bs->cur = beg + len; - bs->bit = 0; - } else if ((err = (Decoders[son->type]) (bs, son, base, - level + 1)) < - H323_ERROR_NONE) - return err; - } - - /* No extension? */ - if (!ext) - return H323_ERROR_NONE; - - /* Get the extension bitmap */ - bmp2_len = get_bits(bs, 7) + 1; - CHECK_BOUND(bs, (bmp2_len + 7) >> 3); - bmp2 = get_bitmap(bs, bmp2_len); - bmp |= bmp2 >> f->sz; - if (base) - *(unsigned *) base = bmp; - BYTE_ALIGN(bs); - - /* Decode the extension components */ - for (opt = 0; opt < bmp2_len; opt++, i++, son++) { - if (i < f->ub && son->attr & STOP) { - PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, " ", - son->name); - return H323_ERROR_STOP; - } - - if (!((0x80000000 >> opt) & bmp2)) /* Not present */ - continue; - - /* Check Range */ - if (i >= f->ub) { /* Newer Version? */ - CHECK_BOUND(bs, 2); - len = get_len(bs); - CHECK_BOUND(bs, len); - bs->cur += len; - continue; - } - - CHECK_BOUND(bs, 2); - len = get_len(bs); - CHECK_BOUND(bs, len); - if (!base || !(son->attr & DECODE)) { - PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, " ", - son->name); - bs->cur += len; - continue; - } - beg = bs->cur; - - if ((err = (Decoders[son->type]) (bs, son, base, - level + 1)) < - H323_ERROR_NONE) - return err; - - bs->cur = beg + len; - bs->bit = 0; - } - return H323_ERROR_NONE; -} - -/****************************************************************************/ -int decode_seqof(bitstr_t * bs, field_t * f, char *base, int level) -{ - unsigned count, effective_count = 0, i, len = 0; - int err; - field_t *son; - unsigned char *beg = NULL; - - PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); - - /* Decode? */ - base = (base && (f->attr & DECODE)) ? base + f->offset : NULL; - - /* Decode item count */ - switch (f->sz) { - case BYTE: - BYTE_ALIGN(bs); - CHECK_BOUND(bs, 1); - count = *bs->cur++; - break; - case WORD: - BYTE_ALIGN(bs); - CHECK_BOUND(bs, 2); - count = *bs->cur++; - count <<= 8; - count = *bs->cur++; - break; - case SEMI: - BYTE_ALIGN(bs); - CHECK_BOUND(bs, 2); - count = get_len(bs); - break; - default: - count = get_bits(bs, f->sz); - break; - } - count += f->lb; - - /* Write Count */ - if (base) { - effective_count = count > f->ub ? f->ub : count; - *(unsigned *) base = effective_count; - base += sizeof(unsigned); - } - - /* Decode nested field */ - son = f->fields; - if (base) - base -= son->offset; - for (i = 0; i < count; i++) { - if (son->attr & OPEN) { - BYTE_ALIGN(bs); - len = get_len(bs); - CHECK_BOUND(bs, len); - if (!base || !(son->attr & DECODE)) { - PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, - " ", son->name); - bs->cur += len; - continue; - } - beg = bs->cur; - - if ((err = (Decoders[son->type]) (bs, son, - i < - effective_count ? - base : NULL, - level + 1)) < - H323_ERROR_NONE) - return err; - - bs->cur = beg + len; - bs->bit = 0; - } else - if ((err = (Decoders[son->type]) (bs, son, - i < - effective_count ? - base : NULL, - level + 1)) < - H323_ERROR_NONE) - return err; - - if (base) - base += son->offset; - } - - return H323_ERROR_NONE; -} - - -/****************************************************************************/ -int decode_choice(bitstr_t * bs, field_t * f, char *base, int level) -{ - unsigned type, ext, len = 0; - int err; - field_t *son; - unsigned char *beg = NULL; - - PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); - - /* Decode? */ - base = (base && (f->attr & DECODE)) ? base + f->offset : NULL; - - /* Decode the choice index number */ - if ((f->attr & EXT) && get_bit(bs)) { - ext = 1; - type = get_bits(bs, 7) + f->lb; - } else { - ext = 0; - type = get_bits(bs, f->sz); - } - - /* Write Type */ - if (base) - *(unsigned *) base = type; - - /* Check Range */ - if (type >= f->ub) { /* Newer version? */ - BYTE_ALIGN(bs); - len = get_len(bs); - CHECK_BOUND(bs, len); - bs->cur += len; - return H323_ERROR_NONE; - } - - /* Transfer to son level */ - son = &f->fields[type]; - if (son->attr & STOP) { - PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, " ", son->name); - return H323_ERROR_STOP; - } - - if (ext || (son->attr & OPEN)) { - BYTE_ALIGN(bs); - len = get_len(bs); - CHECK_BOUND(bs, len); - if (!base || !(son->attr & DECODE)) { - PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, " ", - son->name); - bs->cur += len; - return H323_ERROR_NONE; - } - beg = bs->cur; - - if ((err = (Decoders[son->type]) (bs, son, base, level + 1)) < - H323_ERROR_NONE) - return err; - - bs->cur = beg + len; - bs->bit = 0; - } else if ((err = (Decoders[son->type]) (bs, son, base, level + 1)) < - H323_ERROR_NONE) - return err; - - return H323_ERROR_NONE; -} - -/****************************************************************************/ -int DecodeRasMessage(unsigned char *buf, size_t sz, RasMessage * ras) -{ - static field_t ras_message = { - FNAME("RasMessage") CHOICE, 5, 24, 32, DECODE | EXT, - 0, _RasMessage - }; - bitstr_t bs; - - bs.buf = bs.beg = bs.cur = buf; - bs.end = buf + sz; - bs.bit = 0; - - return decode_choice(&bs, &ras_message, (char *) ras, 0); -} - -/****************************************************************************/ -static int DecodeH323_UserInformation(unsigned char *buf, unsigned char *beg, - size_t sz, H323_UserInformation * uuie) -{ - static field_t h323_userinformation = { - FNAME("H323-UserInformation") SEQ, 1, 2, 2, DECODE | EXT, - 0, _H323_UserInformation - }; - bitstr_t bs; - - bs.buf = buf; - bs.beg = bs.cur = beg; - bs.end = beg + sz; - bs.bit = 0; - - return decode_seq(&bs, &h323_userinformation, (char *) uuie, 0); -} - -/****************************************************************************/ -int DecodeMultimediaSystemControlMessage(unsigned char *buf, size_t sz, - MultimediaSystemControlMessage * - mscm) -{ - static field_t multimediasystemcontrolmessage = { - FNAME("MultimediaSystemControlMessage") CHOICE, 2, 4, 4, - DECODE | EXT, 0, _MultimediaSystemControlMessage - }; - bitstr_t bs; - - bs.buf = bs.beg = bs.cur = buf; - bs.end = buf + sz; - bs.bit = 0; - - return decode_choice(&bs, &multimediasystemcontrolmessage, - (char *) mscm, 0); -} - -/****************************************************************************/ -int DecodeQ931(unsigned char *buf, size_t sz, Q931 * q931) -{ - unsigned char *p = buf; - int len; - - if (!p || sz < 1) - return H323_ERROR_BOUND; - - /* Protocol Discriminator */ - if (*p != 0x08) { - PRINT("Unknown Protocol Discriminator\n"); - return H323_ERROR_RANGE; - } - p++; - sz--; - - /* CallReferenceValue */ - if (sz < 1) - return H323_ERROR_BOUND; - len = *p++; - sz--; - if (sz < len) - return H323_ERROR_BOUND; - p += len; - sz -= len; - - /* Message Type */ - if (sz < 1) - return H323_ERROR_BOUND; - q931->MessageType = *p++; - PRINT("MessageType = %02X\n", q931->MessageType); - if (*p & 0x80) { - p++; - sz--; - } - - /* Decode Information Elements */ - while (sz > 0) { - if (*p == 0x7e) { /* UserUserIE */ - if (sz < 3) - break; - p++; - len = *p++ << 8; - len |= *p++; - sz -= 3; - if (sz < len) - break; - p++; - len--; - return DecodeH323_UserInformation(buf, p, len, - &q931->UUIE); - } - p++; - sz--; - if (sz < 1) - break; - len = *p++; - if (sz < len) - break; - p += len; - sz -= len; - } - - PRINT("Q.931 UUIE not found\n"); - - return H323_ERROR_BOUND; -} diff --git a/net/ipv4/netfilter/ip_conntrack_helper_h323_types.c b/net/ipv4/netfilter/ip_conntrack_helper_h323_types.c deleted file mode 100644 index 4b35961..0000000 --- a/net/ipv4/netfilter/ip_conntrack_helper_h323_types.c +++ /dev/null @@ -1,1926 +0,0 @@ -/* Generated by Jing Min Zhao's ASN.1 parser, Apr 20 2006 - * - * Copyright (c) 2006 Jing Min Zhao - * - * This source code is licensed under General Public License version 2. - */ - -static field_t _TransportAddress_ipAddress[] = { /* SEQUENCE */ - {FNAME("ip") OCTSTR, FIXD, 4, 0, DECODE, - offsetof(TransportAddress_ipAddress, ip), NULL}, - {FNAME("port") INT, WORD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _TransportAddress_ipSourceRoute_route[] = { /* SEQUENCE OF */ - {FNAME("item") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, -}; - -static field_t _TransportAddress_ipSourceRoute_routing[] = { /* CHOICE */ - {FNAME("strict") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("loose") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _TransportAddress_ipSourceRoute[] = { /* SEQUENCE */ - {FNAME("ip") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, - {FNAME("port") INT, WORD, 0, 0, SKIP, 0, NULL}, - {FNAME("route") SEQOF, SEMI, 0, 0, SKIP, 0, - _TransportAddress_ipSourceRoute_route}, - {FNAME("routing") CHOICE, 1, 2, 2, SKIP | EXT, 0, - _TransportAddress_ipSourceRoute_routing}, -}; - -static field_t _TransportAddress_ipxAddress[] = { /* SEQUENCE */ - {FNAME("node") OCTSTR, FIXD, 6, 0, SKIP, 0, NULL}, - {FNAME("netnum") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, - {FNAME("port") OCTSTR, FIXD, 2, 0, SKIP, 0, NULL}, -}; - -static field_t _TransportAddress_ip6Address[] = { /* SEQUENCE */ - {FNAME("ip") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, - {FNAME("port") INT, WORD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _H221NonStandard[] = { /* SEQUENCE */ - {FNAME("t35CountryCode") INT, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("t35Extension") INT, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("manufacturerCode") INT, WORD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _NonStandardIdentifier[] = { /* CHOICE */ - {FNAME("object") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("h221NonStandard") SEQ, 0, 3, 3, SKIP | EXT, 0, - _H221NonStandard}, -}; - -static field_t _NonStandardParameter[] = { /* SEQUENCE */ - {FNAME("nonStandardIdentifier") CHOICE, 1, 2, 2, SKIP | EXT, 0, - _NonStandardIdentifier}, - {FNAME("data") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _TransportAddress[] = { /* CHOICE */ - {FNAME("ipAddress") SEQ, 0, 2, 2, DECODE, - offsetof(TransportAddress, ipAddress), _TransportAddress_ipAddress}, - {FNAME("ipSourceRoute") SEQ, 0, 4, 4, SKIP | EXT, 0, - _TransportAddress_ipSourceRoute}, - {FNAME("ipxAddress") SEQ, 0, 3, 3, SKIP, 0, - _TransportAddress_ipxAddress}, - {FNAME("ip6Address") SEQ, 0, 2, 2, SKIP | EXT, 0, - _TransportAddress_ip6Address}, - {FNAME("netBios") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, - {FNAME("nsap") OCTSTR, 5, 1, 0, SKIP, 0, NULL}, - {FNAME("nonStandardAddress") SEQ, 0, 2, 2, SKIP, 0, - _NonStandardParameter}, -}; - -static field_t _AliasAddress[] = { /* CHOICE */ - {FNAME("dialedDigits") NUMDGT, 7, 1, 0, SKIP, 0, NULL}, - {FNAME("h323-ID") BMPSTR, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("url-ID") IA5STR, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("transportID") CHOICE, 3, 7, 7, SKIP | EXT, 0, NULL}, - {FNAME("email-ID") IA5STR, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("partyNumber") CHOICE, 3, 5, 5, SKIP | EXT, 0, NULL}, - {FNAME("mobileUIM") CHOICE, 1, 2, 2, SKIP | EXT, 0, NULL}, -}; - -static field_t _Setup_UUIE_sourceAddress[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, -}; - -static field_t _VendorIdentifier[] = { /* SEQUENCE */ - {FNAME("vendor") SEQ, 0, 3, 3, SKIP | EXT, 0, _H221NonStandard}, - {FNAME("productId") OCTSTR, BYTE, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("versionId") OCTSTR, BYTE, 1, 0, SKIP | OPT, 0, NULL}, -}; - -static field_t _GatekeeperInfo[] = { /* SEQUENCE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, -}; - -static field_t _H310Caps[] = { /* SEQUENCE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _H320Caps[] = { /* SEQUENCE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _H321Caps[] = { /* SEQUENCE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _H322Caps[] = { /* SEQUENCE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _H323Caps[] = { /* SEQUENCE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _H324Caps[] = { /* SEQUENCE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _VoiceCaps[] = { /* SEQUENCE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _T120OnlyCaps[] = { /* SEQUENCE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _SupportedProtocols[] = { /* CHOICE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP, 0, - _NonStandardParameter}, - {FNAME("h310") SEQ, 1, 1, 3, SKIP | EXT, 0, _H310Caps}, - {FNAME("h320") SEQ, 1, 1, 3, SKIP | EXT, 0, _H320Caps}, - {FNAME("h321") SEQ, 1, 1, 3, SKIP | EXT, 0, _H321Caps}, - {FNAME("h322") SEQ, 1, 1, 3, SKIP | EXT, 0, _H322Caps}, - {FNAME("h323") SEQ, 1, 1, 3, SKIP | EXT, 0, _H323Caps}, - {FNAME("h324") SEQ, 1, 1, 3, SKIP | EXT, 0, _H324Caps}, - {FNAME("voice") SEQ, 1, 1, 3, SKIP | EXT, 0, _VoiceCaps}, - {FNAME("t120-only") SEQ, 1, 1, 3, SKIP | EXT, 0, _T120OnlyCaps}, - {FNAME("nonStandardProtocol") SEQ, 2, 3, 3, SKIP | EXT, 0, NULL}, - {FNAME("t38FaxAnnexbOnly") SEQ, 2, 5, 5, SKIP | EXT, 0, NULL}, -}; - -static field_t _GatewayInfo_protocol[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 4, 9, 11, SKIP | EXT, 0, _SupportedProtocols}, -}; - -static field_t _GatewayInfo[] = { /* SEQUENCE */ - {FNAME("protocol") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _GatewayInfo_protocol}, - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, -}; - -static field_t _McuInfo[] = { /* SEQUENCE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("protocol") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, -}; - -static field_t _TerminalInfo[] = { /* SEQUENCE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, -}; - -static field_t _EndpointType[] = { /* SEQUENCE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("vendor") SEQ, 2, 3, 3, SKIP | EXT | OPT, 0, - _VendorIdentifier}, - {FNAME("gatekeeper") SEQ, 1, 1, 1, SKIP | EXT | OPT, 0, - _GatekeeperInfo}, - {FNAME("gateway") SEQ, 2, 2, 2, SKIP | EXT | OPT, 0, _GatewayInfo}, - {FNAME("mcu") SEQ, 1, 1, 2, SKIP | EXT | OPT, 0, _McuInfo}, - {FNAME("terminal") SEQ, 1, 1, 1, SKIP | EXT | OPT, 0, _TerminalInfo}, - {FNAME("mc") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("undefinedNode") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("set") BITSTR, FIXD, 32, 0, SKIP | OPT, 0, NULL}, - {FNAME("supportedTunnelledProtocols") SEQOF, SEMI, 0, 0, SKIP | OPT, - 0, NULL}, -}; - -static field_t _Setup_UUIE_destinationAddress[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, -}; - -static field_t _Setup_UUIE_destExtraCallInfo[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, -}; - -static field_t _Setup_UUIE_destExtraCRV[] = { /* SEQUENCE OF */ - {FNAME("item") INT, WORD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _Setup_UUIE_conferenceGoal[] = { /* CHOICE */ - {FNAME("create") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("join") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("invite") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("capability-negotiation") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("callIndependentSupplementaryService") NUL, FIXD, 0, 0, SKIP, - 0, NULL}, -}; - -static field_t _Q954Details[] = { /* SEQUENCE */ - {FNAME("conferenceCalling") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("threePartyService") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _QseriesOptions[] = { /* SEQUENCE */ - {FNAME("q932Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("q951Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("q952Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("q953Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("q955Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("q956Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("q957Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("q954Info") SEQ, 0, 2, 2, SKIP | EXT, 0, _Q954Details}, -}; - -static field_t _CallType[] = { /* CHOICE */ - {FNAME("pointToPoint") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("oneToN") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("nToOne") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("nToN") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _H245_NonStandardIdentifier_h221NonStandard[] = { /* SEQUENCE */ - {FNAME("t35CountryCode") INT, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("t35Extension") INT, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("manufacturerCode") INT, WORD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _H245_NonStandardIdentifier[] = { /* CHOICE */ - {FNAME("object") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("h221NonStandard") SEQ, 0, 3, 3, SKIP, 0, - _H245_NonStandardIdentifier_h221NonStandard}, -}; - -static field_t _H245_NonStandardParameter[] = { /* SEQUENCE */ - {FNAME("nonStandardIdentifier") CHOICE, 1, 2, 2, SKIP, 0, - _H245_NonStandardIdentifier}, - {FNAME("data") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _H261VideoCapability[] = { /* SEQUENCE */ - {FNAME("qcifMPI") INT, 2, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("cifMPI") INT, 2, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("temporalSpatialTradeOffCapability") BOOL, FIXD, 0, 0, SKIP, 0, - NULL}, - {FNAME("maxBitRate") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("stillImageTransmission") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("videoBadMBsCap") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _H262VideoCapability[] = { /* SEQUENCE */ - {FNAME("profileAndLevel-SPatML") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("profileAndLevel-MPatLL") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("profileAndLevel-MPatML") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("profileAndLevel-MPatH-14") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("profileAndLevel-MPatHL") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("profileAndLevel-SNRatLL") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("profileAndLevel-SNRatML") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("profileAndLevel-SpatialatH-14") BOOL, FIXD, 0, 0, SKIP, 0, - NULL}, - {FNAME("profileAndLevel-HPatML") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("profileAndLevel-HPatH-14") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("profileAndLevel-HPatHL") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("videoBitRate") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("vbvBufferSize") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("samplesPerLine") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("linesPerFrame") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("framesPerSecond") INT, 4, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("luminanceSampleRate") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("videoBadMBsCap") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _H263VideoCapability[] = { /* SEQUENCE */ - {FNAME("sqcifMPI") INT, 5, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("qcifMPI") INT, 5, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("cifMPI") INT, 5, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("cif4MPI") INT, 5, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("cif16MPI") INT, 5, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("maxBitRate") INT, CONS, 1, 0, SKIP, 0, NULL}, - {FNAME("unrestrictedVector") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("arithmeticCoding") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("advancedPrediction") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("pbFrames") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("temporalSpatialTradeOffCapability") BOOL, FIXD, 0, 0, SKIP, 0, - NULL}, - {FNAME("hrd-B") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("bppMaxKb") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("slowSqcifMPI") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("slowQcifMPI") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("slowCifMPI") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("slowCif4MPI") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("slowCif16MPI") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("errorCompensation") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("enhancementLayerInfo") SEQ, 3, 4, 4, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("h263Options") SEQ, 5, 29, 31, SKIP | EXT | OPT, 0, NULL}, -}; - -static field_t _IS11172VideoCapability[] = { /* SEQUENCE */ - {FNAME("constrainedBitstream") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("videoBitRate") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("vbvBufferSize") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("samplesPerLine") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("linesPerFrame") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("pictureRate") INT, 4, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("luminanceSampleRate") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("videoBadMBsCap") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _VideoCapability[] = { /* CHOICE */ - {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, - _H245_NonStandardParameter}, - {FNAME("h261VideoCapability") SEQ, 2, 5, 6, SKIP | EXT, 0, - _H261VideoCapability}, - {FNAME("h262VideoCapability") SEQ, 6, 17, 18, SKIP | EXT, 0, - _H262VideoCapability}, - {FNAME("h263VideoCapability") SEQ, 7, 13, 21, SKIP | EXT, 0, - _H263VideoCapability}, - {FNAME("is11172VideoCapability") SEQ, 6, 7, 8, SKIP | EXT, 0, - _IS11172VideoCapability}, - {FNAME("genericVideoCapability") SEQ, 5, 6, 6, SKIP | EXT, 0, NULL}, -}; - -static field_t _AudioCapability_g7231[] = { /* SEQUENCE */ - {FNAME("maxAl-sduAudioFrames") INT, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("silenceSuppression") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _IS11172AudioCapability[] = { /* SEQUENCE */ - {FNAME("audioLayer1") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("audioLayer2") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("audioLayer3") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("audioSampling32k") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("audioSampling44k1") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("audioSampling48k") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("singleChannel") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("twoChannels") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("bitRate") INT, WORD, 1, 0, SKIP, 0, NULL}, -}; - -static field_t _IS13818AudioCapability[] = { /* SEQUENCE */ - {FNAME("audioLayer1") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("audioLayer2") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("audioLayer3") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("audioSampling16k") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("audioSampling22k05") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("audioSampling24k") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("audioSampling32k") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("audioSampling44k1") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("audioSampling48k") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("singleChannel") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("twoChannels") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("threeChannels2-1") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("threeChannels3-0") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("fourChannels2-0-2-0") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("fourChannels2-2") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("fourChannels3-1") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("fiveChannels3-0-2-0") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("fiveChannels3-2") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("lowFrequencyEnhancement") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("multilingual") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("bitRate") INT, WORD, 1, 0, SKIP, 0, NULL}, -}; - -static field_t _AudioCapability[] = { /* CHOICE */ - {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, - _H245_NonStandardParameter}, - {FNAME("g711Alaw64k") INT, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("g711Alaw56k") INT, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("g711Ulaw64k") INT, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("g711Ulaw56k") INT, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("g722-64k") INT, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("g722-56k") INT, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("g722-48k") INT, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("g7231") SEQ, 0, 2, 2, SKIP, 0, _AudioCapability_g7231}, - {FNAME("g728") INT, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("g729") INT, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("g729AnnexA") INT, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("is11172AudioCapability") SEQ, 0, 9, 9, SKIP | EXT, 0, - _IS11172AudioCapability}, - {FNAME("is13818AudioCapability") SEQ, 0, 21, 21, SKIP | EXT, 0, - _IS13818AudioCapability}, - {FNAME("g729wAnnexB") INT, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("g729AnnexAwAnnexB") INT, BYTE, 1, 0, SKIP, 0, NULL}, - {FNAME("g7231AnnexCCapability") SEQ, 1, 3, 3, SKIP | EXT, 0, NULL}, - {FNAME("gsmFullRate") SEQ, 0, 3, 3, SKIP | EXT, 0, NULL}, - {FNAME("gsmHalfRate") SEQ, 0, 3, 3, SKIP | EXT, 0, NULL}, - {FNAME("gsmEnhancedFullRate") SEQ, 0, 3, 3, SKIP | EXT, 0, NULL}, - {FNAME("genericAudioCapability") SEQ, 5, 6, 6, SKIP | EXT, 0, NULL}, - {FNAME("g729Extensions") SEQ, 1, 8, 8, SKIP | EXT, 0, NULL}, -}; - -static field_t _DataProtocolCapability[] = { /* CHOICE */ - {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, - _H245_NonStandardParameter}, - {FNAME("v14buffered") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("v42lapm") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("hdlcFrameTunnelling") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("h310SeparateVCStack") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("h310SingleVCStack") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("transparent") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("segmentationAndReassembly") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("hdlcFrameTunnelingwSAR") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("v120") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("separateLANStack") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("v76wCompression") CHOICE, 2, 3, 3, SKIP | EXT, 0, NULL}, - {FNAME("tcp") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("udp") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _T84Profile_t84Restricted[] = { /* SEQUENCE */ - {FNAME("qcif") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("cif") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("ccir601Seq") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("ccir601Prog") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("hdtvSeq") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("hdtvProg") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("g3FacsMH200x100") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("g3FacsMH200x200") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("g4FacsMMR200x100") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("g4FacsMMR200x200") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("jbig200x200Seq") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("jbig200x200Prog") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("jbig300x300Seq") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("jbig300x300Prog") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("digPhotoLow") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("digPhotoMedSeq") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("digPhotoMedProg") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("digPhotoHighSeq") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("digPhotoHighProg") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _T84Profile[] = { /* CHOICE */ - {FNAME("t84Unrestricted") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("t84Restricted") SEQ, 0, 19, 19, SKIP | EXT, 0, - _T84Profile_t84Restricted}, -}; - -static field_t _DataApplicationCapability_application_t84[] = { /* SEQUENCE */ - {FNAME("t84Protocol") CHOICE, 3, 7, 14, SKIP | EXT, 0, - _DataProtocolCapability}, - {FNAME("t84Profile") CHOICE, 1, 2, 2, SKIP, 0, _T84Profile}, -}; - -static field_t _DataApplicationCapability_application_nlpid[] = { /* SEQUENCE */ - {FNAME("nlpidProtocol") CHOICE, 3, 7, 14, SKIP | EXT, 0, - _DataProtocolCapability}, - {FNAME("nlpidData") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _DataApplicationCapability_application[] = { /* CHOICE */ - {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, - _H245_NonStandardParameter}, - {FNAME("t120") CHOICE, 3, 7, 14, DECODE | EXT, - offsetof(DataApplicationCapability_application, t120), - _DataProtocolCapability}, - {FNAME("dsm-cc") CHOICE, 3, 7, 14, SKIP | EXT, 0, - _DataProtocolCapability}, - {FNAME("userData") CHOICE, 3, 7, 14, SKIP | EXT, 0, - _DataProtocolCapability}, - {FNAME("t84") SEQ, 0, 2, 2, SKIP, 0, - _DataApplicationCapability_application_t84}, - {FNAME("t434") CHOICE, 3, 7, 14, SKIP | EXT, 0, - _DataProtocolCapability}, - {FNAME("h224") CHOICE, 3, 7, 14, SKIP | EXT, 0, - _DataProtocolCapability}, - {FNAME("nlpid") SEQ, 0, 2, 2, SKIP, 0, - _DataApplicationCapability_application_nlpid}, - {FNAME("dsvdControl") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("h222DataPartitioning") CHOICE, 3, 7, 14, SKIP | EXT, 0, - _DataProtocolCapability}, - {FNAME("t30fax") CHOICE, 3, 7, 14, SKIP | EXT, 0, NULL}, - {FNAME("t140") CHOICE, 3, 7, 14, SKIP | EXT, 0, NULL}, - {FNAME("t38fax") SEQ, 0, 2, 2, SKIP, 0, NULL}, - {FNAME("genericDataCapability") SEQ, 5, 6, 6, SKIP | EXT, 0, NULL}, -}; - -static field_t _DataApplicationCapability[] = { /* SEQUENCE */ - {FNAME("application") CHOICE, 4, 10, 14, DECODE | EXT, - offsetof(DataApplicationCapability, application), - _DataApplicationCapability_application}, - {FNAME("maxBitRate") INT, CONS, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _EncryptionMode[] = { /* CHOICE */ - {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, - _H245_NonStandardParameter}, - {FNAME("h233Encryption") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _DataType[] = { /* CHOICE */ - {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, - _H245_NonStandardParameter}, - {FNAME("nullData") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("videoData") CHOICE, 3, 5, 6, SKIP | EXT, 0, _VideoCapability}, - {FNAME("audioData") CHOICE, 4, 14, 22, SKIP | EXT, 0, - _AudioCapability}, - {FNAME("data") SEQ, 0, 2, 2, DECODE | EXT, offsetof(DataType, data), - _DataApplicationCapability}, - {FNAME("encryptionData") CHOICE, 1, 2, 2, SKIP | EXT, 0, - _EncryptionMode}, - {FNAME("h235Control") SEQ, 0, 2, 2, SKIP, 0, NULL}, - {FNAME("h235Media") SEQ, 0, 2, 2, SKIP | EXT, 0, NULL}, - {FNAME("multiplexedStream") SEQ, 0, 2, 2, SKIP | EXT, 0, NULL}, -}; - -static field_t _H222LogicalChannelParameters[] = { /* SEQUENCE */ - {FNAME("resourceID") INT, WORD, 0, 0, SKIP, 0, NULL}, - {FNAME("subChannelID") INT, WORD, 0, 0, SKIP, 0, NULL}, - {FNAME("pcr-pid") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("programDescriptors") OCTSTR, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("streamDescriptors") OCTSTR, SEMI, 0, 0, SKIP | OPT, 0, NULL}, -}; - -static field_t _H223LogicalChannelParameters_adaptationLayerType_al3[] = { /* SEQUENCE */ - {FNAME("controlFieldOctets") INT, 2, 0, 0, SKIP, 0, NULL}, - {FNAME("sendBufferSize") INT, CONS, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _H223LogicalChannelParameters_adaptationLayerType[] = { /* CHOICE */ - {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, - _H245_NonStandardParameter}, - {FNAME("al1Framed") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("al1NotFramed") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("al2WithoutSequenceNumbers") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("al2WithSequenceNumbers") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("al3") SEQ, 0, 2, 2, SKIP, 0, - _H223LogicalChannelParameters_adaptationLayerType_al3}, - {FNAME("al1M") SEQ, 0, 7, 8, SKIP | EXT, 0, NULL}, - {FNAME("al2M") SEQ, 0, 2, 2, SKIP | EXT, 0, NULL}, - {FNAME("al3M") SEQ, 0, 5, 6, SKIP | EXT, 0, NULL}, -}; - -static field_t _H223LogicalChannelParameters[] = { /* SEQUENCE */ - {FNAME("adaptationLayerType") CHOICE, 3, 6, 9, SKIP | EXT, 0, - _H223LogicalChannelParameters_adaptationLayerType}, - {FNAME("segmentableFlag") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _CRCLength[] = { /* CHOICE */ - {FNAME("crc8bit") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("crc16bit") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("crc32bit") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _V76HDLCParameters[] = { /* SEQUENCE */ - {FNAME("crcLength") CHOICE, 2, 3, 3, SKIP | EXT, 0, _CRCLength}, - {FNAME("n401") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("loopbackTestProcedure") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _V76LogicalChannelParameters_suspendResume[] = { /* CHOICE */ - {FNAME("noSuspendResume") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("suspendResumewAddress") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("suspendResumewoAddress") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _V76LogicalChannelParameters_mode_eRM_recovery[] = { /* CHOICE */ - {FNAME("rej") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("sREJ") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("mSREJ") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _V76LogicalChannelParameters_mode_eRM[] = { /* SEQUENCE */ - {FNAME("windowSize") INT, 7, 1, 0, SKIP, 0, NULL}, - {FNAME("recovery") CHOICE, 2, 3, 3, SKIP | EXT, 0, - _V76LogicalChannelParameters_mode_eRM_recovery}, -}; - -static field_t _V76LogicalChannelParameters_mode[] = { /* CHOICE */ - {FNAME("eRM") SEQ, 0, 2, 2, SKIP | EXT, 0, - _V76LogicalChannelParameters_mode_eRM}, - {FNAME("uNERM") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _V75Parameters[] = { /* SEQUENCE */ - {FNAME("audioHeaderPresent") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _V76LogicalChannelParameters[] = { /* SEQUENCE */ - {FNAME("hdlcParameters") SEQ, 0, 3, 3, SKIP | EXT, 0, - _V76HDLCParameters}, - {FNAME("suspendResume") CHOICE, 2, 3, 3, SKIP | EXT, 0, - _V76LogicalChannelParameters_suspendResume}, - {FNAME("uIH") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("mode") CHOICE, 1, 2, 2, SKIP | EXT, 0, - _V76LogicalChannelParameters_mode}, - {FNAME("v75Parameters") SEQ, 0, 1, 1, SKIP | EXT, 0, _V75Parameters}, -}; - -static field_t _H2250LogicalChannelParameters_nonStandard[] = { /* SEQUENCE OF */ - {FNAME("item") SEQ, 0, 2, 2, SKIP, 0, _H245_NonStandardParameter}, -}; - -static field_t _UnicastAddress_iPAddress[] = { /* SEQUENCE */ - {FNAME("network") OCTSTR, FIXD, 4, 0, DECODE, - offsetof(UnicastAddress_iPAddress, network), NULL}, - {FNAME("tsapIdentifier") INT, WORD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _UnicastAddress_iPXAddress[] = { /* SEQUENCE */ - {FNAME("node") OCTSTR, FIXD, 6, 0, SKIP, 0, NULL}, - {FNAME("netnum") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, - {FNAME("tsapIdentifier") OCTSTR, FIXD, 2, 0, SKIP, 0, NULL}, -}; - -static field_t _UnicastAddress_iP6Address[] = { /* SEQUENCE */ - {FNAME("network") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, - {FNAME("tsapIdentifier") INT, WORD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _UnicastAddress_iPSourceRouteAddress_routing[] = { /* CHOICE */ - {FNAME("strict") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("loose") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _UnicastAddress_iPSourceRouteAddress_route[] = { /* SEQUENCE OF */ - {FNAME("item") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, -}; - -static field_t _UnicastAddress_iPSourceRouteAddress[] = { /* SEQUENCE */ - {FNAME("routing") CHOICE, 1, 2, 2, SKIP, 0, - _UnicastAddress_iPSourceRouteAddress_routing}, - {FNAME("network") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, - {FNAME("tsapIdentifier") INT, WORD, 0, 0, SKIP, 0, NULL}, - {FNAME("route") SEQOF, SEMI, 0, 0, SKIP, 0, - _UnicastAddress_iPSourceRouteAddress_route}, -}; - -static field_t _UnicastAddress[] = { /* CHOICE */ - {FNAME("iPAddress") SEQ, 0, 2, 2, DECODE | EXT, - offsetof(UnicastAddress, iPAddress), _UnicastAddress_iPAddress}, - {FNAME("iPXAddress") SEQ, 0, 3, 3, SKIP | EXT, 0, - _UnicastAddress_iPXAddress}, - {FNAME("iP6Address") SEQ, 0, 2, 2, SKIP | EXT, 0, - _UnicastAddress_iP6Address}, - {FNAME("netBios") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, - {FNAME("iPSourceRouteAddress") SEQ, 0, 4, 4, SKIP | EXT, 0, - _UnicastAddress_iPSourceRouteAddress}, - {FNAME("nsap") OCTSTR, 5, 1, 0, SKIP, 0, NULL}, - {FNAME("nonStandardAddress") SEQ, 0, 2, 2, SKIP, 0, NULL}, -}; - -static field_t _MulticastAddress_iPAddress[] = { /* SEQUENCE */ - {FNAME("network") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, - {FNAME("tsapIdentifier") INT, WORD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _MulticastAddress_iP6Address[] = { /* SEQUENCE */ - {FNAME("network") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, - {FNAME("tsapIdentifier") INT, WORD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _MulticastAddress[] = { /* CHOICE */ - {FNAME("iPAddress") SEQ, 0, 2, 2, SKIP | EXT, 0, - _MulticastAddress_iPAddress}, - {FNAME("iP6Address") SEQ, 0, 2, 2, SKIP | EXT, 0, - _MulticastAddress_iP6Address}, - {FNAME("nsap") OCTSTR, 5, 1, 0, SKIP, 0, NULL}, - {FNAME("nonStandardAddress") SEQ, 0, 2, 2, SKIP, 0, NULL}, -}; - -static field_t _H245_TransportAddress[] = { /* CHOICE */ - {FNAME("unicastAddress") CHOICE, 3, 5, 7, DECODE | EXT, - offsetof(H245_TransportAddress, unicastAddress), _UnicastAddress}, - {FNAME("multicastAddress") CHOICE, 1, 2, 4, SKIP | EXT, 0, - _MulticastAddress}, -}; - -static field_t _H2250LogicalChannelParameters[] = { /* SEQUENCE */ - {FNAME("nonStandard") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _H2250LogicalChannelParameters_nonStandard}, - {FNAME("sessionID") INT, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("associatedSessionID") INT, 8, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("mediaChannel") CHOICE, 1, 2, 2, DECODE | EXT | OPT, - offsetof(H2250LogicalChannelParameters, mediaChannel), - _H245_TransportAddress}, - {FNAME("mediaGuaranteedDelivery") BOOL, FIXD, 0, 0, SKIP | OPT, 0, - NULL}, - {FNAME("mediaControlChannel") CHOICE, 1, 2, 2, DECODE | EXT | OPT, - offsetof(H2250LogicalChannelParameters, mediaControlChannel), - _H245_TransportAddress}, - {FNAME("mediaControlGuaranteedDelivery") BOOL, FIXD, 0, 0, STOP | OPT, - 0, NULL}, - {FNAME("silenceSuppression") BOOL, FIXD, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("destination") SEQ, 0, 2, 2, STOP | EXT | OPT, 0, NULL}, - {FNAME("dynamicRTPPayloadType") INT, 5, 96, 0, STOP | OPT, 0, NULL}, - {FNAME("mediaPacketization") CHOICE, 0, 1, 2, STOP | EXT | OPT, 0, - NULL}, - {FNAME("transportCapability") SEQ, 3, 3, 3, STOP | EXT | OPT, 0, - NULL}, - {FNAME("redundancyEncoding") SEQ, 1, 2, 2, STOP | EXT | OPT, 0, NULL}, - {FNAME("source") SEQ, 0, 2, 2, SKIP | EXT | OPT, 0, NULL}, -}; - -static field_t _OpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters[] = { /* CHOICE */ - {FNAME("h222LogicalChannelParameters") SEQ, 3, 5, 5, SKIP | EXT, 0, - _H222LogicalChannelParameters}, - {FNAME("h223LogicalChannelParameters") SEQ, 0, 2, 2, SKIP | EXT, 0, - _H223LogicalChannelParameters}, - {FNAME("v76LogicalChannelParameters") SEQ, 0, 5, 5, SKIP | EXT, 0, - _V76LogicalChannelParameters}, - {FNAME("h2250LogicalChannelParameters") SEQ, 10, 11, 14, DECODE | EXT, - offsetof - (OpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters, - h2250LogicalChannelParameters), _H2250LogicalChannelParameters}, - {FNAME("none") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _OpenLogicalChannel_forwardLogicalChannelParameters[] = { /* SEQUENCE */ - {FNAME("portNumber") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("dataType") CHOICE, 3, 6, 9, DECODE | EXT, - offsetof(OpenLogicalChannel_forwardLogicalChannelParameters, - dataType), _DataType}, - {FNAME("multiplexParameters") CHOICE, 2, 3, 5, DECODE | EXT, - offsetof(OpenLogicalChannel_forwardLogicalChannelParameters, - multiplexParameters), - _OpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters}, - {FNAME("forwardLogicalChannelDependency") INT, WORD, 1, 0, SKIP | OPT, - 0, NULL}, - {FNAME("replacementFor") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, -}; - -static field_t _OpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters[] = { /* CHOICE */ - {FNAME("h223LogicalChannelParameters") SEQ, 0, 2, 2, SKIP | EXT, 0, - _H223LogicalChannelParameters}, - {FNAME("v76LogicalChannelParameters") SEQ, 0, 5, 5, SKIP | EXT, 0, - _V76LogicalChannelParameters}, - {FNAME("h2250LogicalChannelParameters") SEQ, 10, 11, 14, DECODE | EXT, - offsetof - (OpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters, - h2250LogicalChannelParameters), _H2250LogicalChannelParameters}, -}; - -static field_t _OpenLogicalChannel_reverseLogicalChannelParameters[] = { /* SEQUENCE */ - {FNAME("dataType") CHOICE, 3, 6, 9, SKIP | EXT, 0, _DataType}, - {FNAME("multiplexParameters") CHOICE, 1, 2, 3, DECODE | EXT | OPT, - offsetof(OpenLogicalChannel_reverseLogicalChannelParameters, - multiplexParameters), - _OpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters}, - {FNAME("reverseLogicalChannelDependency") INT, WORD, 1, 0, SKIP | OPT, - 0, NULL}, - {FNAME("replacementFor") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, -}; - -static field_t _NetworkAccessParameters_distribution[] = { /* CHOICE */ - {FNAME("unicast") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("multicast") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _Q2931Address_address[] = { /* CHOICE */ - {FNAME("internationalNumber") NUMSTR, 4, 1, 0, SKIP, 0, NULL}, - {FNAME("nsapAddress") OCTSTR, 5, 1, 0, SKIP, 0, NULL}, -}; - -static field_t _Q2931Address[] = { /* SEQUENCE */ - {FNAME("address") CHOICE, 1, 2, 2, SKIP | EXT, 0, - _Q2931Address_address}, - {FNAME("subaddress") OCTSTR, 5, 1, 0, SKIP | OPT, 0, NULL}, -}; - -static field_t _NetworkAccessParameters_networkAddress[] = { /* CHOICE */ - {FNAME("q2931Address") SEQ, 1, 2, 2, SKIP | EXT, 0, _Q2931Address}, - {FNAME("e164Address") NUMDGT, 7, 1, 0, SKIP, 0, NULL}, - {FNAME("localAreaAddress") CHOICE, 1, 2, 2, DECODE | EXT, - offsetof(NetworkAccessParameters_networkAddress, localAreaAddress), - _H245_TransportAddress}, -}; - -static field_t _NetworkAccessParameters[] = { /* SEQUENCE */ - {FNAME("distribution") CHOICE, 1, 2, 2, SKIP | EXT | OPT, 0, - _NetworkAccessParameters_distribution}, - {FNAME("networkAddress") CHOICE, 2, 3, 3, DECODE | EXT, - offsetof(NetworkAccessParameters, networkAddress), - _NetworkAccessParameters_networkAddress}, - {FNAME("associateConference") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("externalReference") OCTSTR, 8, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("t120SetupProcedure") CHOICE, 2, 3, 3, SKIP | EXT | OPT, 0, - NULL}, -}; - -static field_t _OpenLogicalChannel[] = { /* SEQUENCE */ - {FNAME("forwardLogicalChannelNumber") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("forwardLogicalChannelParameters") SEQ, 1, 3, 5, DECODE | EXT, - offsetof(OpenLogicalChannel, forwardLogicalChannelParameters), - _OpenLogicalChannel_forwardLogicalChannelParameters}, - {FNAME("reverseLogicalChannelParameters") SEQ, 1, 2, 4, - DECODE | EXT | OPT, offsetof(OpenLogicalChannel, - reverseLogicalChannelParameters), - _OpenLogicalChannel_reverseLogicalChannelParameters}, - {FNAME("separateStack") SEQ, 2, 4, 5, DECODE | EXT | OPT, - offsetof(OpenLogicalChannel, separateStack), - _NetworkAccessParameters}, - {FNAME("encryptionSync") SEQ, 2, 4, 4, STOP | EXT | OPT, 0, NULL}, -}; - -static field_t _Setup_UUIE_fastStart[] = { /* SEQUENCE OF */ - {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, - sizeof(OpenLogicalChannel), _OpenLogicalChannel} - , -}; - -static field_t _Setup_UUIE[] = { /* SEQUENCE */ - {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("h245Address") CHOICE, 3, 7, 7, DECODE | EXT | OPT, - offsetof(Setup_UUIE, h245Address), _TransportAddress}, - {FNAME("sourceAddress") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _Setup_UUIE_sourceAddress}, - {FNAME("sourceInfo") SEQ, 6, 8, 10, SKIP | EXT, 0, _EndpointType}, - {FNAME("destinationAddress") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _Setup_UUIE_destinationAddress}, - {FNAME("destCallSignalAddress") CHOICE, 3, 7, 7, DECODE | EXT | OPT, - offsetof(Setup_UUIE, destCallSignalAddress), _TransportAddress}, - {FNAME("destExtraCallInfo") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _Setup_UUIE_destExtraCallInfo}, - {FNAME("destExtraCRV") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _Setup_UUIE_destExtraCRV}, - {FNAME("activeMC") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("conferenceID") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, - {FNAME("conferenceGoal") CHOICE, 2, 3, 5, SKIP | EXT, 0, - _Setup_UUIE_conferenceGoal}, - {FNAME("callServices") SEQ, 0, 8, 8, SKIP | EXT | OPT, 0, - _QseriesOptions}, - {FNAME("callType") CHOICE, 2, 4, 4, SKIP | EXT, 0, _CallType}, - {FNAME("sourceCallSignalAddress") CHOICE, 3, 7, 7, DECODE | EXT | OPT, - offsetof(Setup_UUIE, sourceCallSignalAddress), _TransportAddress}, - {FNAME("remoteExtensionAddress") CHOICE, 1, 2, 7, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, - {FNAME("h245SecurityCapability") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, - offsetof(Setup_UUIE, fastStart), _Setup_UUIE_fastStart}, - {FNAME("mediaWaitForConnect") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("canOverlapSend") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, - {FNAME("multipleCalls") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("maintainConnection") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("connectionParameters") SEQ, 0, 3, 3, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("language") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("presentationIndicator") CHOICE, 2, 3, 3, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("screeningIndicator") ENUM, 2, 0, 0, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("serviceControl") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("symmetricOperationRequired") NUL, FIXD, 0, 0, SKIP | OPT, 0, - NULL}, - {FNAME("capacity") SEQ, 2, 2, 2, SKIP | EXT | OPT, 0, NULL}, - {FNAME("circuitInfo") SEQ, 3, 3, 3, SKIP | EXT | OPT, 0, NULL}, - {FNAME("desiredProtocols") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("neededFeatures") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("desiredFeatures") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("supportedFeatures") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("parallelH245Control") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("additionalSourceAddresses") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - NULL}, -}; - -static field_t _CallProceeding_UUIE_fastStart[] = { /* SEQUENCE OF */ - {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, - sizeof(OpenLogicalChannel), _OpenLogicalChannel} - , -}; - -static field_t _CallProceeding_UUIE[] = { /* SEQUENCE */ - {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("destinationInfo") SEQ, 6, 8, 10, SKIP | EXT, 0, - _EndpointType}, - {FNAME("h245Address") CHOICE, 3, 7, 7, DECODE | EXT | OPT, - offsetof(CallProceeding_UUIE, h245Address), _TransportAddress}, - {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, - {FNAME("h245SecurityMode") CHOICE, 2, 4, 4, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, - offsetof(CallProceeding_UUIE, fastStart), - _CallProceeding_UUIE_fastStart}, - {FNAME("multipleCalls") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("maintainConnection") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("fastConnectRefused") NUL, FIXD, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("featureSet") SEQ, 3, 4, 4, SKIP | EXT | OPT, 0, NULL}, -}; - -static field_t _Connect_UUIE_fastStart[] = { /* SEQUENCE OF */ - {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, - sizeof(OpenLogicalChannel), _OpenLogicalChannel} - , -}; - -static field_t _Connect_UUIE[] = { /* SEQUENCE */ - {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("h245Address") CHOICE, 3, 7, 7, DECODE | EXT | OPT, - offsetof(Connect_UUIE, h245Address), _TransportAddress}, - {FNAME("destinationInfo") SEQ, 6, 8, 10, SKIP | EXT, 0, - _EndpointType}, - {FNAME("conferenceID") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, - {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, - {FNAME("h245SecurityMode") CHOICE, 2, 4, 4, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, - offsetof(Connect_UUIE, fastStart), _Connect_UUIE_fastStart}, - {FNAME("multipleCalls") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("maintainConnection") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("language") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("connectedAddress") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("presentationIndicator") CHOICE, 2, 3, 3, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("screeningIndicator") ENUM, 2, 0, 0, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("fastConnectRefused") NUL, FIXD, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("serviceControl") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("capacity") SEQ, 2, 2, 2, SKIP | EXT | OPT, 0, NULL}, - {FNAME("featureSet") SEQ, 3, 4, 4, SKIP | EXT | OPT, 0, NULL}, -}; - -static field_t _Alerting_UUIE_fastStart[] = { /* SEQUENCE OF */ - {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, - sizeof(OpenLogicalChannel), _OpenLogicalChannel} - , -}; - -static field_t _Alerting_UUIE[] = { /* SEQUENCE */ - {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("destinationInfo") SEQ, 6, 8, 10, SKIP | EXT, 0, - _EndpointType}, - {FNAME("h245Address") CHOICE, 3, 7, 7, DECODE | EXT | OPT, - offsetof(Alerting_UUIE, h245Address), _TransportAddress}, - {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, - {FNAME("h245SecurityMode") CHOICE, 2, 4, 4, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, - offsetof(Alerting_UUIE, fastStart), _Alerting_UUIE_fastStart}, - {FNAME("multipleCalls") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("maintainConnection") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("alertingAddress") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("presentationIndicator") CHOICE, 2, 3, 3, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("screeningIndicator") ENUM, 2, 0, 0, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("fastConnectRefused") NUL, FIXD, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("serviceControl") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("capacity") SEQ, 2, 2, 2, SKIP | EXT | OPT, 0, NULL}, - {FNAME("featureSet") SEQ, 3, 4, 4, SKIP | EXT | OPT, 0, NULL}, -}; - -static field_t _Information_UUIE_fastStart[] = { /* SEQUENCE OF */ - {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, - sizeof(OpenLogicalChannel), _OpenLogicalChannel} - , -}; - -static field_t _Information_UUIE[] = { /* SEQUENCE */ - {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, - offsetof(Information_UUIE, fastStart), _Information_UUIE_fastStart}, - {FNAME("fastConnectRefused") NUL, FIXD, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("circuitInfo") SEQ, 3, 3, 3, SKIP | EXT | OPT, 0, NULL}, -}; - -static field_t _ReleaseCompleteReason[] = { /* CHOICE */ - {FNAME("noBandwidth") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("gatekeeperResources") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("unreachableDestination") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("destinationRejection") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("invalidRevision") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("noPermission") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("unreachableGatekeeper") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("gatewayResources") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("badFormatAddress") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("adaptiveBusy") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("inConf") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("undefinedReason") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("facilityCallDeflection") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("securityDenied") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("calledPartyNotRegistered") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("callerNotRegistered") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("newConnectionNeeded") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("nonStandardReason") SEQ, 0, 2, 2, SKIP, 0, NULL}, - {FNAME("replaceWithConferenceInvite") OCTSTR, FIXD, 16, 0, SKIP, 0, - NULL}, - {FNAME("genericDataReason") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("neededFeatureNotSupported") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("tunnelledSignallingRejected") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _ReleaseComplete_UUIE[] = { /* SEQUENCE */ - {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("reason") CHOICE, 4, 12, 22, SKIP | EXT | OPT, 0, - _ReleaseCompleteReason}, - {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("busyAddress") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("presentationIndicator") CHOICE, 2, 3, 3, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("screeningIndicator") ENUM, 2, 0, 0, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("capacity") SEQ, 2, 2, 2, SKIP | EXT | OPT, 0, NULL}, - {FNAME("serviceControl") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("featureSet") SEQ, 3, 4, 4, SKIP | EXT | OPT, 0, NULL}, -}; - -static field_t _Facility_UUIE_alternativeAliasAddress[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, -}; - -static field_t _FacilityReason[] = { /* CHOICE */ - {FNAME("routeCallToGatekeeper") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("callForwarded") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("routeCallToMC") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("undefinedReason") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("conferenceListChoice") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("startH245") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("noH245") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("newTokens") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("featureSetUpdate") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("forwardedElements") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("transportedInformation") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _Facility_UUIE_fastStart[] = { /* SEQUENCE OF */ - {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, - sizeof(OpenLogicalChannel), _OpenLogicalChannel} - , -}; - -static field_t _Facility_UUIE[] = { /* SEQUENCE */ - {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("alternativeAddress") CHOICE, 3, 7, 7, DECODE | EXT | OPT, - offsetof(Facility_UUIE, alternativeAddress), _TransportAddress}, - {FNAME("alternativeAliasAddress") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _Facility_UUIE_alternativeAliasAddress}, - {FNAME("conferenceID") OCTSTR, FIXD, 16, 0, SKIP | OPT, 0, NULL}, - {FNAME("reason") CHOICE, 2, 4, 11, DECODE | EXT, - offsetof(Facility_UUIE, reason), _FacilityReason}, - {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, - {FNAME("destExtraCallInfo") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("remoteExtensionAddress") CHOICE, 1, 2, 7, SKIP | EXT | OPT, 0, - NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("conferences") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("h245Address") CHOICE, 3, 7, 7, DECODE | EXT | OPT, - offsetof(Facility_UUIE, h245Address), _TransportAddress}, - {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, - offsetof(Facility_UUIE, fastStart), _Facility_UUIE_fastStart}, - {FNAME("multipleCalls") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("maintainConnection") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("fastConnectRefused") NUL, FIXD, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("serviceControl") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("circuitInfo") SEQ, 3, 3, 3, SKIP | EXT | OPT, 0, NULL}, - {FNAME("featureSet") SEQ, 3, 4, 4, SKIP | EXT | OPT, 0, NULL}, - {FNAME("destinationInfo") SEQ, 6, 8, 10, SKIP | EXT | OPT, 0, NULL}, - {FNAME("h245SecurityMode") CHOICE, 2, 4, 4, SKIP | EXT | OPT, 0, - NULL}, -}; - -static field_t _CallIdentifier[] = { /* SEQUENCE */ - {FNAME("guid") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, -}; - -static field_t _SecurityServiceMode[] = { /* CHOICE */ - {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, _NonStandardParameter}, - {FNAME("none") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("default") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _SecurityCapabilities[] = { /* SEQUENCE */ - {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("encryption") CHOICE, 2, 3, 3, SKIP | EXT, 0, - _SecurityServiceMode}, - {FNAME("authenticaton") CHOICE, 2, 3, 3, SKIP | EXT, 0, - _SecurityServiceMode}, - {FNAME("integrity") CHOICE, 2, 3, 3, SKIP | EXT, 0, - _SecurityServiceMode}, -}; - -static field_t _H245Security[] = { /* CHOICE */ - {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, _NonStandardParameter}, - {FNAME("noSecurity") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("tls") SEQ, 1, 4, 4, SKIP | EXT, 0, _SecurityCapabilities}, - {FNAME("ipsec") SEQ, 1, 4, 4, SKIP | EXT, 0, _SecurityCapabilities}, -}; - -static field_t _DHset[] = { /* SEQUENCE */ - {FNAME("halfkey") BITSTR, WORD, 0, 0, SKIP, 0, NULL}, - {FNAME("modSize") BITSTR, WORD, 0, 0, SKIP, 0, NULL}, - {FNAME("generator") BITSTR, WORD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _TypedCertificate[] = { /* SEQUENCE */ - {FNAME("type") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("certificate") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _H235_NonStandardParameter[] = { /* SEQUENCE */ - {FNAME("nonStandardIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("data") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _ClearToken[] = { /* SEQUENCE */ - {FNAME("tokenOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("timeStamp") INT, CONS, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("password") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("dhkey") SEQ, 0, 3, 3, SKIP | EXT | OPT, 0, _DHset}, - {FNAME("challenge") OCTSTR, 7, 8, 0, SKIP | OPT, 0, NULL}, - {FNAME("random") INT, UNCO, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("certificate") SEQ, 0, 2, 2, SKIP | EXT | OPT, 0, - _TypedCertificate}, - {FNAME("generalID") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP | OPT, 0, - _H235_NonStandardParameter}, - {FNAME("eckasdhkey") CHOICE, 1, 2, 2, SKIP | EXT | OPT, 0, NULL}, - {FNAME("sendersID") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, -}; - -static field_t _Progress_UUIE_tokens[] = { /* SEQUENCE OF */ - {FNAME("item") SEQ, 8, 9, 11, SKIP | EXT, 0, _ClearToken}, -}; - -static field_t _Params[] = { /* SEQUENCE */ - {FNAME("ranInt") INT, UNCO, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("iv8") OCTSTR, FIXD, 8, 0, SKIP | OPT, 0, NULL}, - {FNAME("iv16") OCTSTR, FIXD, 16, 0, SKIP | OPT, 0, NULL}, -}; - -static field_t _CryptoH323Token_cryptoEPPwdHash_token[] = { /* SEQUENCE */ - {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, - {FNAME("hash") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _CryptoH323Token_cryptoEPPwdHash[] = { /* SEQUENCE */ - {FNAME("alias") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, - {FNAME("timeStamp") INT, CONS, 1, 0, SKIP, 0, NULL}, - {FNAME("token") SEQ, 0, 3, 3, SKIP, 0, - _CryptoH323Token_cryptoEPPwdHash_token}, -}; - -static field_t _CryptoH323Token_cryptoGKPwdHash_token[] = { /* SEQUENCE */ - {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, - {FNAME("hash") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _CryptoH323Token_cryptoGKPwdHash[] = { /* SEQUENCE */ - {FNAME("gatekeeperId") BMPSTR, 7, 1, 0, SKIP, 0, NULL}, - {FNAME("timeStamp") INT, CONS, 1, 0, SKIP, 0, NULL}, - {FNAME("token") SEQ, 0, 3, 3, SKIP, 0, - _CryptoH323Token_cryptoGKPwdHash_token}, -}; - -static field_t _CryptoH323Token_cryptoEPPwdEncr[] = { /* SEQUENCE */ - {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, - {FNAME("encryptedData") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _CryptoH323Token_cryptoGKPwdEncr[] = { /* SEQUENCE */ - {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, - {FNAME("encryptedData") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _CryptoH323Token_cryptoEPCert[] = { /* SEQUENCE */ - {FNAME("toBeSigned") SEQ, 8, 9, 11, SKIP | OPEN | EXT, 0, NULL}, - {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, - {FNAME("signature") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _CryptoH323Token_cryptoGKCert[] = { /* SEQUENCE */ - {FNAME("toBeSigned") SEQ, 8, 9, 11, SKIP | OPEN | EXT, 0, NULL}, - {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, - {FNAME("signature") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _CryptoH323Token_cryptoFastStart[] = { /* SEQUENCE */ - {FNAME("toBeSigned") SEQ, 8, 9, 11, SKIP | OPEN | EXT, 0, NULL}, - {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, - {FNAME("signature") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _CryptoToken_cryptoEncryptedToken_token[] = { /* SEQUENCE */ - {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, - {FNAME("encryptedData") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _CryptoToken_cryptoEncryptedToken[] = { /* SEQUENCE */ - {FNAME("tokenOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("token") SEQ, 0, 3, 3, SKIP, 0, - _CryptoToken_cryptoEncryptedToken_token}, -}; - -static field_t _CryptoToken_cryptoSignedToken_token[] = { /* SEQUENCE */ - {FNAME("toBeSigned") SEQ, 8, 9, 11, SKIP | OPEN | EXT, 0, NULL}, - {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, - {FNAME("signature") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _CryptoToken_cryptoSignedToken[] = { /* SEQUENCE */ - {FNAME("tokenOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("token") SEQ, 0, 4, 4, SKIP, 0, - _CryptoToken_cryptoSignedToken_token}, -}; - -static field_t _CryptoToken_cryptoHashedToken_token[] = { /* SEQUENCE */ - {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, - {FNAME("hash") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _CryptoToken_cryptoHashedToken[] = { /* SEQUENCE */ - {FNAME("tokenOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("hashedVals") SEQ, 8, 9, 11, SKIP | EXT, 0, _ClearToken}, - {FNAME("token") SEQ, 0, 3, 3, SKIP, 0, - _CryptoToken_cryptoHashedToken_token}, -}; - -static field_t _CryptoToken_cryptoPwdEncr[] = { /* SEQUENCE */ - {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, - {FNAME("encryptedData") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _CryptoToken[] = { /* CHOICE */ - {FNAME("cryptoEncryptedToken") SEQ, 0, 2, 2, SKIP, 0, - _CryptoToken_cryptoEncryptedToken}, - {FNAME("cryptoSignedToken") SEQ, 0, 2, 2, SKIP, 0, - _CryptoToken_cryptoSignedToken}, - {FNAME("cryptoHashedToken") SEQ, 0, 3, 3, SKIP, 0, - _CryptoToken_cryptoHashedToken}, - {FNAME("cryptoPwdEncr") SEQ, 0, 3, 3, SKIP, 0, - _CryptoToken_cryptoPwdEncr}, -}; - -static field_t _CryptoH323Token[] = { /* CHOICE */ - {FNAME("cryptoEPPwdHash") SEQ, 0, 3, 3, SKIP, 0, - _CryptoH323Token_cryptoEPPwdHash}, - {FNAME("cryptoGKPwdHash") SEQ, 0, 3, 3, SKIP, 0, - _CryptoH323Token_cryptoGKPwdHash}, - {FNAME("cryptoEPPwdEncr") SEQ, 0, 3, 3, SKIP, 0, - _CryptoH323Token_cryptoEPPwdEncr}, - {FNAME("cryptoGKPwdEncr") SEQ, 0, 3, 3, SKIP, 0, - _CryptoH323Token_cryptoGKPwdEncr}, - {FNAME("cryptoEPCert") SEQ, 0, 4, 4, SKIP, 0, - _CryptoH323Token_cryptoEPCert}, - {FNAME("cryptoGKCert") SEQ, 0, 4, 4, SKIP, 0, - _CryptoH323Token_cryptoGKCert}, - {FNAME("cryptoFastStart") SEQ, 0, 4, 4, SKIP, 0, - _CryptoH323Token_cryptoFastStart}, - {FNAME("nestedcryptoToken") CHOICE, 2, 4, 4, SKIP | EXT, 0, - _CryptoToken}, -}; - -static field_t _Progress_UUIE_cryptoTokens[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 3, 8, 8, SKIP | EXT, 0, _CryptoH323Token}, -}; - -static field_t _Progress_UUIE_fastStart[] = { /* SEQUENCE OF */ - {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, - sizeof(OpenLogicalChannel), _OpenLogicalChannel} - , -}; - -static field_t _Progress_UUIE[] = { /* SEQUENCE */ - {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("destinationInfo") SEQ, 6, 8, 10, SKIP | EXT, 0, - _EndpointType}, - {FNAME("h245Address") CHOICE, 3, 7, 7, DECODE | EXT | OPT, - offsetof(Progress_UUIE, h245Address), _TransportAddress}, - {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, - _CallIdentifier}, - {FNAME("h245SecurityMode") CHOICE, 2, 4, 4, SKIP | EXT | OPT, 0, - _H245Security}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _Progress_UUIE_tokens}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _Progress_UUIE_cryptoTokens}, - {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, - offsetof(Progress_UUIE, fastStart), _Progress_UUIE_fastStart}, - {FNAME("multipleCalls") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("maintainConnection") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("fastConnectRefused") NUL, FIXD, 0, 0, SKIP | OPT, 0, NULL}, -}; - -static field_t _H323_UU_PDU_h323_message_body[] = { /* CHOICE */ - {FNAME("setup") SEQ, 7, 13, 39, DECODE | EXT, - offsetof(H323_UU_PDU_h323_message_body, setup), _Setup_UUIE}, - {FNAME("callProceeding") SEQ, 1, 3, 12, DECODE | EXT, - offsetof(H323_UU_PDU_h323_message_body, callProceeding), - _CallProceeding_UUIE}, - {FNAME("connect") SEQ, 1, 4, 19, DECODE | EXT, - offsetof(H323_UU_PDU_h323_message_body, connect), _Connect_UUIE}, - {FNAME("alerting") SEQ, 1, 3, 17, DECODE | EXT, - offsetof(H323_UU_PDU_h323_message_body, alerting), _Alerting_UUIE}, - {FNAME("information") SEQ, 0, 1, 7, DECODE | EXT, - offsetof(H323_UU_PDU_h323_message_body, information), - _Information_UUIE}, - {FNAME("releaseComplete") SEQ, 1, 2, 11, SKIP | EXT, 0, - _ReleaseComplete_UUIE}, - {FNAME("facility") SEQ, 3, 5, 21, DECODE | EXT, - offsetof(H323_UU_PDU_h323_message_body, facility), _Facility_UUIE}, - {FNAME("progress") SEQ, 5, 8, 11, DECODE | EXT, - offsetof(H323_UU_PDU_h323_message_body, progress), _Progress_UUIE}, - {FNAME("empty") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("status") SEQ, 2, 4, 4, SKIP | EXT, 0, NULL}, - {FNAME("statusInquiry") SEQ, 2, 4, 4, SKIP | EXT, 0, NULL}, - {FNAME("setupAcknowledge") SEQ, 2, 4, 4, SKIP | EXT, 0, NULL}, - {FNAME("notify") SEQ, 2, 4, 4, SKIP | EXT, 0, NULL}, -}; - -static field_t _RequestMessage[] = { /* CHOICE */ - {FNAME("nonStandard") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, - {FNAME("masterSlaveDetermination") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, - {FNAME("terminalCapabilitySet") SEQ, 3, 5, 5, STOP | EXT, 0, NULL}, - {FNAME("openLogicalChannel") SEQ, 1, 3, 5, DECODE | EXT, - offsetof(RequestMessage, openLogicalChannel), _OpenLogicalChannel}, - {FNAME("closeLogicalChannel") SEQ, 0, 2, 3, STOP | EXT, 0, NULL}, - {FNAME("requestChannelClose") SEQ, 0, 1, 3, STOP | EXT, 0, NULL}, - {FNAME("multiplexEntrySend") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, - {FNAME("requestMultiplexEntry") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, - {FNAME("requestMode") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, - {FNAME("roundTripDelayRequest") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, - {FNAME("maintenanceLoopRequest") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, - {FNAME("communicationModeRequest") SEQ, 0, 0, 0, STOP | EXT, 0, NULL}, - {FNAME("conferenceRequest") CHOICE, 3, 8, 16, STOP | EXT, 0, NULL}, - {FNAME("multilinkRequest") CHOICE, 3, 5, 5, STOP | EXT, 0, NULL}, - {FNAME("logicalChannelRateRequest") SEQ, 0, 3, 3, STOP | EXT, 0, - NULL}, -}; - -static field_t _OpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters[] = { /* CHOICE */ - {FNAME("h222LogicalChannelParameters") SEQ, 3, 5, 5, SKIP | EXT, 0, - _H222LogicalChannelParameters}, - {FNAME("h2250LogicalChannelParameters") SEQ, 10, 11, 14, DECODE | EXT, - offsetof - (OpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters, - h2250LogicalChannelParameters), _H2250LogicalChannelParameters}, -}; - -static field_t _OpenLogicalChannelAck_reverseLogicalChannelParameters[] = { /* SEQUENCE */ - {FNAME("reverseLogicalChannelNumber") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("portNumber") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("multiplexParameters") CHOICE, 0, 1, 2, DECODE | EXT | OPT, - offsetof(OpenLogicalChannelAck_reverseLogicalChannelParameters, - multiplexParameters), - _OpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters}, - {FNAME("replacementFor") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, -}; - -static field_t _H2250LogicalChannelAckParameters_nonStandard[] = { /* SEQUENCE OF */ - {FNAME("item") SEQ, 0, 2, 2, SKIP, 0, _H245_NonStandardParameter}, -}; - -static field_t _H2250LogicalChannelAckParameters[] = { /* SEQUENCE */ - {FNAME("nonStandard") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _H2250LogicalChannelAckParameters_nonStandard}, - {FNAME("sessionID") INT, 8, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("mediaChannel") CHOICE, 1, 2, 2, DECODE | EXT | OPT, - offsetof(H2250LogicalChannelAckParameters, mediaChannel), - _H245_TransportAddress}, - {FNAME("mediaControlChannel") CHOICE, 1, 2, 2, DECODE | EXT | OPT, - offsetof(H2250LogicalChannelAckParameters, mediaControlChannel), - _H245_TransportAddress}, - {FNAME("dynamicRTPPayloadType") INT, 5, 96, 0, SKIP | OPT, 0, NULL}, - {FNAME("flowControlToZero") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("portNumber") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, -}; - -static field_t _OpenLogicalChannelAck_forwardMultiplexAckParameters[] = { /* CHOICE */ - {FNAME("h2250LogicalChannelAckParameters") SEQ, 5, 5, 7, DECODE | EXT, - offsetof(OpenLogicalChannelAck_forwardMultiplexAckParameters, - h2250LogicalChannelAckParameters), - _H2250LogicalChannelAckParameters}, -}; - -static field_t _OpenLogicalChannelAck[] = { /* SEQUENCE */ - {FNAME("forwardLogicalChannelNumber") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("reverseLogicalChannelParameters") SEQ, 2, 3, 4, - DECODE | EXT | OPT, offsetof(OpenLogicalChannelAck, - reverseLogicalChannelParameters), - _OpenLogicalChannelAck_reverseLogicalChannelParameters}, - {FNAME("separateStack") SEQ, 2, 4, 5, SKIP | EXT | OPT, 0, NULL}, - {FNAME("forwardMultiplexAckParameters") CHOICE, 0, 1, 1, - DECODE | EXT | OPT, offsetof(OpenLogicalChannelAck, - forwardMultiplexAckParameters), - _OpenLogicalChannelAck_forwardMultiplexAckParameters}, - {FNAME("encryptionSync") SEQ, 2, 4, 4, STOP | EXT | OPT, 0, NULL}, -}; - -static field_t _ResponseMessage[] = { /* CHOICE */ - {FNAME("nonStandard") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, - {FNAME("masterSlaveDeterminationAck") SEQ, 0, 1, 1, STOP | EXT, 0, - NULL}, - {FNAME("masterSlaveDeterminationReject") SEQ, 0, 1, 1, STOP | EXT, 0, - NULL}, - {FNAME("terminalCapabilitySetAck") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, - {FNAME("terminalCapabilitySetReject") SEQ, 0, 2, 2, STOP | EXT, 0, - NULL}, - {FNAME("openLogicalChannelAck") SEQ, 1, 2, 5, DECODE | EXT, - offsetof(ResponseMessage, openLogicalChannelAck), - _OpenLogicalChannelAck}, - {FNAME("openLogicalChannelReject") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, - {FNAME("closeLogicalChannelAck") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, - {FNAME("requestChannelCloseAck") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, - {FNAME("requestChannelCloseReject") SEQ, 0, 2, 2, STOP | EXT, 0, - NULL}, - {FNAME("multiplexEntrySendAck") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, - {FNAME("multiplexEntrySendReject") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, - {FNAME("requestMultiplexEntryAck") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, - {FNAME("requestMultiplexEntryReject") SEQ, 0, 2, 2, STOP | EXT, 0, - NULL}, - {FNAME("requestModeAck") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, - {FNAME("requestModeReject") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, - {FNAME("roundTripDelayResponse") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, - {FNAME("maintenanceLoopAck") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, - {FNAME("maintenanceLoopReject") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, - {FNAME("communicationModeResponse") CHOICE, 0, 1, 1, STOP | EXT, 0, - NULL}, - {FNAME("conferenceResponse") CHOICE, 3, 8, 16, STOP | EXT, 0, NULL}, - {FNAME("multilinkResponse") CHOICE, 3, 5, 5, STOP | EXT, 0, NULL}, - {FNAME("logicalChannelRateAcknowledge") SEQ, 0, 3, 3, STOP | EXT, 0, - NULL}, - {FNAME("logicalChannelRateReject") SEQ, 1, 4, 4, STOP | EXT, 0, NULL}, -}; - -static field_t _MultimediaSystemControlMessage[] = { /* CHOICE */ - {FNAME("request") CHOICE, 4, 11, 15, DECODE | EXT, - offsetof(MultimediaSystemControlMessage, request), _RequestMessage}, - {FNAME("response") CHOICE, 5, 19, 24, DECODE | EXT, - offsetof(MultimediaSystemControlMessage, response), - _ResponseMessage}, - {FNAME("command") CHOICE, 3, 7, 12, STOP | EXT, 0, NULL}, - {FNAME("indication") CHOICE, 4, 14, 23, STOP | EXT, 0, NULL}, -}; - -static field_t _H323_UU_PDU_h245Control[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 2, 4, 4, DECODE | OPEN | EXT, - sizeof(MultimediaSystemControlMessage), - _MultimediaSystemControlMessage} - , -}; - -static field_t _H323_UU_PDU[] = { /* SEQUENCE */ - {FNAME("h323-message-body") CHOICE, 3, 7, 13, DECODE | EXT, - offsetof(H323_UU_PDU, h323_message_body), - _H323_UU_PDU_h323_message_body}, - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("h4501SupplementaryService") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - NULL}, - {FNAME("h245Tunneling") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("h245Control") SEQOF, SEMI, 0, 4, DECODE | OPT, - offsetof(H323_UU_PDU, h245Control), _H323_UU_PDU_h245Control}, - {FNAME("nonStandardControl") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("callLinkage") SEQ, 2, 2, 2, STOP | EXT | OPT, 0, NULL}, - {FNAME("tunnelledSignallingMessage") SEQ, 2, 4, 4, STOP | EXT | OPT, - 0, NULL}, - {FNAME("provisionalRespToH245Tunneling") NUL, FIXD, 0, 0, STOP | OPT, - 0, NULL}, - {FNAME("stimulusControl") SEQ, 3, 3, 3, STOP | EXT | OPT, 0, NULL}, - {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, -}; - -static field_t _H323_UserInformation[] = { /* SEQUENCE */ - {FNAME("h323-uu-pdu") SEQ, 1, 2, 11, DECODE | EXT, - offsetof(H323_UserInformation, h323_uu_pdu), _H323_UU_PDU}, - {FNAME("user-data") SEQ, 0, 2, 2, STOP | EXT | OPT, 0, NULL}, -}; - -static field_t _GatekeeperRequest[] = { /* SEQUENCE */ - {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("rasAddress") CHOICE, 3, 7, 7, DECODE | EXT, - offsetof(GatekeeperRequest, rasAddress), _TransportAddress}, - {FNAME("endpointType") SEQ, 6, 8, 10, STOP | EXT, 0, NULL}, - {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, - {FNAME("callServices") SEQ, 0, 8, 8, STOP | EXT | OPT, 0, NULL}, - {FNAME("endpointAlias") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("alternateEndpoints") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("authenticationCapability") SEQOF, SEMI, 0, 0, STOP | OPT, 0, - NULL}, - {FNAME("algorithmOIDs") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("integrity") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("supportsAltGK") NUL, FIXD, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, - {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, -}; - -static field_t _GatekeeperConfirm[] = { /* SEQUENCE */ - {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("rasAddress") CHOICE, 3, 7, 7, DECODE | EXT, - offsetof(GatekeeperConfirm, rasAddress), _TransportAddress}, - {FNAME("alternateGatekeeper") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("authenticationMode") CHOICE, 3, 7, 8, STOP | EXT | OPT, 0, - NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("algorithmOID") OID, BYTE, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("integrity") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, - {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, -}; - -static field_t _RegistrationRequest_callSignalAddress[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 3, 7, 7, DECODE | EXT, - sizeof(TransportAddress), _TransportAddress} - , -}; - -static field_t _RegistrationRequest_rasAddress[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 3, 7, 7, DECODE | EXT, - sizeof(TransportAddress), _TransportAddress} - , -}; - -static field_t _RegistrationRequest_terminalAlias[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, -}; - -static field_t _RegistrationRequest[] = { /* SEQUENCE */ - {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("discoveryComplete") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("callSignalAddress") SEQOF, SEMI, 0, 10, DECODE, - offsetof(RegistrationRequest, callSignalAddress), - _RegistrationRequest_callSignalAddress}, - {FNAME("rasAddress") SEQOF, SEMI, 0, 10, DECODE, - offsetof(RegistrationRequest, rasAddress), - _RegistrationRequest_rasAddress}, - {FNAME("terminalType") SEQ, 6, 8, 10, SKIP | EXT, 0, _EndpointType}, - {FNAME("terminalAlias") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _RegistrationRequest_terminalAlias}, - {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("endpointVendor") SEQ, 2, 3, 3, SKIP | EXT, 0, - _VendorIdentifier}, - {FNAME("alternateEndpoints") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("timeToLive") INT, CONS, 1, 0, DECODE | OPT, - offsetof(RegistrationRequest, timeToLive), NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("keepAlive") BOOL, FIXD, 0, 0, STOP, 0, NULL}, - {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, - {FNAME("willSupplyUUIEs") BOOL, FIXD, 0, 0, STOP, 0, NULL}, - {FNAME("maintainConnection") BOOL, FIXD, 0, 0, STOP, 0, NULL}, - {FNAME("alternateTransportAddresses") SEQ, 1, 1, 1, STOP | EXT | OPT, - 0, NULL}, - {FNAME("additiveRegistration") NUL, FIXD, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("terminalAliasPattern") SEQOF, SEMI, 0, 0, STOP | OPT, 0, - NULL}, - {FNAME("supportsAltGK") NUL, FIXD, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("usageReportingCapability") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, - NULL}, - {FNAME("multipleCalls") BOOL, FIXD, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("supportedH248Packages") SEQOF, SEMI, 0, 0, STOP | OPT, 0, - NULL}, - {FNAME("callCreditCapability") SEQ, 2, 2, 2, STOP | EXT | OPT, 0, - NULL}, - {FNAME("capacityReportingCapability") SEQ, 0, 1, 1, STOP | EXT | OPT, - 0, NULL}, - {FNAME("capacity") SEQ, 2, 2, 2, STOP | EXT | OPT, 0, NULL}, - {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, - {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, -}; - -static field_t _RegistrationConfirm_callSignalAddress[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 3, 7, 7, DECODE | EXT, - sizeof(TransportAddress), _TransportAddress} - , -}; - -static field_t _RegistrationConfirm_terminalAlias[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, -}; - -static field_t _RegistrationConfirm[] = { /* SEQUENCE */ - {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("callSignalAddress") SEQOF, SEMI, 0, 10, DECODE, - offsetof(RegistrationConfirm, callSignalAddress), - _RegistrationConfirm_callSignalAddress}, - {FNAME("terminalAlias") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _RegistrationConfirm_terminalAlias}, - {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, SKIP, 0, NULL}, - {FNAME("alternateGatekeeper") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("timeToLive") INT, CONS, 1, 0, DECODE | OPT, - offsetof(RegistrationConfirm, timeToLive), NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("willRespondToIRR") BOOL, FIXD, 0, 0, STOP, 0, NULL}, - {FNAME("preGrantedARQ") SEQ, 0, 4, 8, STOP | EXT | OPT, 0, NULL}, - {FNAME("maintainConnection") BOOL, FIXD, 0, 0, STOP, 0, NULL}, - {FNAME("serviceControl") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("supportsAdditiveRegistration") NUL, FIXD, 0, 0, STOP | OPT, 0, - NULL}, - {FNAME("terminalAliasPattern") SEQOF, SEMI, 0, 0, STOP | OPT, 0, - NULL}, - {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("usageSpec") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("featureServerAlias") CHOICE, 1, 2, 7, STOP | EXT | OPT, 0, - NULL}, - {FNAME("capacityReportingSpec") SEQ, 0, 1, 1, STOP | EXT | OPT, 0, - NULL}, - {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, - {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, -}; - -static field_t _UnregistrationRequest_callSignalAddress[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 3, 7, 7, DECODE | EXT, - sizeof(TransportAddress), _TransportAddress} - , -}; - -static field_t _UnregistrationRequest[] = { /* SEQUENCE */ - {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("callSignalAddress") SEQOF, SEMI, 0, 10, DECODE, - offsetof(UnregistrationRequest, callSignalAddress), - _UnregistrationRequest_callSignalAddress}, - {FNAME("endpointAlias") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("nonStandardData") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, - {FNAME("alternateEndpoints") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("reason") CHOICE, 2, 4, 5, STOP | EXT | OPT, 0, NULL}, - {FNAME("endpointAliasPattern") SEQOF, SEMI, 0, 0, STOP | OPT, 0, - NULL}, - {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("alternateGatekeeper") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, -}; - -static field_t _CallModel[] = { /* CHOICE */ - {FNAME("direct") NUL, FIXD, 0, 0, SKIP, 0, NULL}, - {FNAME("gatekeeperRouted") NUL, FIXD, 0, 0, SKIP, 0, NULL}, -}; - -static field_t _AdmissionRequest_destinationInfo[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, -}; - -static field_t _AdmissionRequest_destExtraCallInfo[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, -}; - -static field_t _AdmissionRequest_srcInfo[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, -}; - -static field_t _AdmissionRequest[] = { /* SEQUENCE */ - {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("callType") CHOICE, 2, 4, 4, SKIP | EXT, 0, _CallType}, - {FNAME("callModel") CHOICE, 1, 2, 2, SKIP | EXT | OPT, 0, _CallModel}, - {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, SKIP, 0, NULL}, - {FNAME("destinationInfo") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _AdmissionRequest_destinationInfo}, - {FNAME("destCallSignalAddress") CHOICE, 3, 7, 7, DECODE | EXT | OPT, - offsetof(AdmissionRequest, destCallSignalAddress), - _TransportAddress}, - {FNAME("destExtraCallInfo") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, - _AdmissionRequest_destExtraCallInfo}, - {FNAME("srcInfo") SEQOF, SEMI, 0, 0, SKIP, 0, - _AdmissionRequest_srcInfo}, - {FNAME("srcCallSignalAddress") CHOICE, 3, 7, 7, DECODE | EXT | OPT, - offsetof(AdmissionRequest, srcCallSignalAddress), _TransportAddress}, - {FNAME("bandWidth") INT, CONS, 0, 0, STOP, 0, NULL}, - {FNAME("callReferenceValue") INT, WORD, 0, 0, STOP, 0, NULL}, - {FNAME("nonStandardData") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("callServices") SEQ, 0, 8, 8, STOP | EXT | OPT, 0, NULL}, - {FNAME("conferenceID") OCTSTR, FIXD, 16, 0, STOP, 0, NULL}, - {FNAME("activeMC") BOOL, FIXD, 0, 0, STOP, 0, NULL}, - {FNAME("answerCall") BOOL, FIXD, 0, 0, STOP, 0, NULL}, - {FNAME("canMapAlias") BOOL, FIXD, 0, 0, STOP, 0, NULL}, - {FNAME("callIdentifier") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, - {FNAME("srcAlternatives") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("destAlternatives") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("transportQOS") CHOICE, 2, 3, 3, STOP | EXT | OPT, 0, NULL}, - {FNAME("willSupplyUUIEs") BOOL, FIXD, 0, 0, STOP, 0, NULL}, - {FNAME("callLinkage") SEQ, 2, 2, 2, STOP | EXT | OPT, 0, NULL}, - {FNAME("gatewayDataRate") SEQ, 2, 3, 3, STOP | EXT | OPT, 0, NULL}, - {FNAME("capacity") SEQ, 2, 2, 2, STOP | EXT | OPT, 0, NULL}, - {FNAME("circuitInfo") SEQ, 3, 3, 3, STOP | EXT | OPT, 0, NULL}, - {FNAME("desiredProtocols") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("desiredTunnelledProtocol") SEQ, 1, 2, 2, STOP | EXT | OPT, 0, - NULL}, - {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, - {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, -}; - -static field_t _AdmissionConfirm[] = { /* SEQUENCE */ - {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("bandWidth") INT, CONS, 0, 0, SKIP, 0, NULL}, - {FNAME("callModel") CHOICE, 1, 2, 2, SKIP | EXT, 0, _CallModel}, - {FNAME("destCallSignalAddress") CHOICE, 3, 7, 7, DECODE | EXT, - offsetof(AdmissionConfirm, destCallSignalAddress), - _TransportAddress}, - {FNAME("irrFrequency") INT, WORD, 1, 0, STOP | OPT, 0, NULL}, - {FNAME("nonStandardData") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("destinationInfo") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("destExtraCallInfo") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("destinationType") SEQ, 6, 8, 10, STOP | EXT | OPT, 0, NULL}, - {FNAME("remoteExtensionAddress") SEQOF, SEMI, 0, 0, STOP | OPT, 0, - NULL}, - {FNAME("alternateEndpoints") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("transportQOS") CHOICE, 2, 3, 3, STOP | EXT | OPT, 0, NULL}, - {FNAME("willRespondToIRR") BOOL, FIXD, 0, 0, STOP, 0, NULL}, - {FNAME("uuiesRequested") SEQ, 0, 9, 13, STOP | EXT, 0, NULL}, - {FNAME("language") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("alternateTransportAddresses") SEQ, 1, 1, 1, STOP | EXT | OPT, - 0, NULL}, - {FNAME("useSpecifiedTransport") CHOICE, 1, 2, 2, STOP | EXT | OPT, 0, - NULL}, - {FNAME("circuitInfo") SEQ, 3, 3, 3, STOP | EXT | OPT, 0, NULL}, - {FNAME("usageSpec") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("supportedProtocols") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("serviceControl") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("multipleCalls") BOOL, FIXD, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, - {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, -}; - -static field_t _LocationRequest_destinationInfo[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, -}; - -static field_t _LocationRequest[] = { /* SEQUENCE */ - {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, - {FNAME("destinationInfo") SEQOF, SEMI, 0, 0, SKIP, 0, - _LocationRequest_destinationInfo}, - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("replyAddress") CHOICE, 3, 7, 7, DECODE | EXT, - offsetof(LocationRequest, replyAddress), _TransportAddress}, - {FNAME("sourceInfo") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("canMapAlias") BOOL, FIXD, 0, 0, STOP, 0, NULL}, - {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("desiredProtocols") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("desiredTunnelledProtocol") SEQ, 1, 2, 2, STOP | EXT | OPT, 0, - NULL}, - {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, - {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("hopCount") INT, 8, 1, 0, STOP | OPT, 0, NULL}, - {FNAME("circuitInfo") SEQ, 3, 3, 3, STOP | EXT | OPT, 0, NULL}, -}; - -static field_t _LocationConfirm[] = { /* SEQUENCE */ - {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("callSignalAddress") CHOICE, 3, 7, 7, DECODE | EXT, - offsetof(LocationConfirm, callSignalAddress), _TransportAddress}, - {FNAME("rasAddress") CHOICE, 3, 7, 7, DECODE | EXT, - offsetof(LocationConfirm, rasAddress), _TransportAddress}, - {FNAME("nonStandardData") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("destinationInfo") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("destExtraCallInfo") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("destinationType") SEQ, 6, 8, 10, STOP | EXT | OPT, 0, NULL}, - {FNAME("remoteExtensionAddress") SEQOF, SEMI, 0, 0, STOP | OPT, 0, - NULL}, - {FNAME("alternateEndpoints") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("alternateTransportAddresses") SEQ, 1, 1, 1, STOP | EXT | OPT, - 0, NULL}, - {FNAME("supportedProtocols") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("multipleCalls") BOOL, FIXD, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, - {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("circuitInfo") SEQ, 3, 3, 3, STOP | EXT | OPT, 0, NULL}, - {FNAME("serviceControl") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, -}; - -static field_t _InfoRequestResponse_callSignalAddress[] = { /* SEQUENCE OF */ - {FNAME("item") CHOICE, 3, 7, 7, DECODE | EXT, - sizeof(TransportAddress), _TransportAddress} - , -}; - -static field_t _InfoRequestResponse[] = { /* SEQUENCE */ - {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, - _NonStandardParameter}, - {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, - {FNAME("endpointType") SEQ, 6, 8, 10, SKIP | EXT, 0, _EndpointType}, - {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, SKIP, 0, NULL}, - {FNAME("rasAddress") CHOICE, 3, 7, 7, DECODE | EXT, - offsetof(InfoRequestResponse, rasAddress), _TransportAddress}, - {FNAME("callSignalAddress") SEQOF, SEMI, 0, 10, DECODE, - offsetof(InfoRequestResponse, callSignalAddress), - _InfoRequestResponse_callSignalAddress}, - {FNAME("endpointAlias") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("perCallInfo") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, - {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, - {FNAME("needResponse") BOOL, FIXD, 0, 0, STOP, 0, NULL}, - {FNAME("capacity") SEQ, 2, 2, 2, STOP | EXT | OPT, 0, NULL}, - {FNAME("irrStatus") CHOICE, 2, 4, 4, STOP | EXT | OPT, 0, NULL}, - {FNAME("unsolicited") BOOL, FIXD, 0, 0, STOP, 0, NULL}, - {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, -}; - -static field_t _RasMessage[] = { /* CHOICE */ - {FNAME("gatekeeperRequest") SEQ, 4, 8, 18, DECODE | EXT, - offsetof(RasMessage, gatekeeperRequest), _GatekeeperRequest}, - {FNAME("gatekeeperConfirm") SEQ, 2, 5, 14, DECODE | EXT, - offsetof(RasMessage, gatekeeperConfirm), _GatekeeperConfirm}, - {FNAME("gatekeeperReject") SEQ, 2, 5, 11, STOP | EXT, 0, NULL}, - {FNAME("registrationRequest") SEQ, 3, 10, 31, DECODE | EXT, - offsetof(RasMessage, registrationRequest), _RegistrationRequest}, - {FNAME("registrationConfirm") SEQ, 3, 7, 24, DECODE | EXT, - offsetof(RasMessage, registrationConfirm), _RegistrationConfirm}, - {FNAME("registrationReject") SEQ, 2, 5, 11, STOP | EXT, 0, NULL}, - {FNAME("unregistrationRequest") SEQ, 3, 5, 15, DECODE | EXT, - offsetof(RasMessage, unregistrationRequest), _UnregistrationRequest}, - {FNAME("unregistrationConfirm") SEQ, 1, 2, 6, STOP | EXT, 0, NULL}, - {FNAME("unregistrationReject") SEQ, 1, 3, 8, STOP | EXT, 0, NULL}, - {FNAME("admissionRequest") SEQ, 7, 16, 34, DECODE | EXT, - offsetof(RasMessage, admissionRequest), _AdmissionRequest}, - {FNAME("admissionConfirm") SEQ, 2, 6, 27, DECODE | EXT, - offsetof(RasMessage, admissionConfirm), _AdmissionConfirm}, - {FNAME("admissionReject") SEQ, 1, 3, 11, STOP | EXT, 0, NULL}, - {FNAME("bandwidthRequest") SEQ, 2, 7, 18, STOP | EXT, 0, NULL}, - {FNAME("bandwidthConfirm") SEQ, 1, 3, 8, STOP | EXT, 0, NULL}, - {FNAME("bandwidthReject") SEQ, 1, 4, 9, STOP | EXT, 0, NULL}, - {FNAME("disengageRequest") SEQ, 1, 6, 19, STOP | EXT, 0, NULL}, - {FNAME("disengageConfirm") SEQ, 1, 2, 9, STOP | EXT, 0, NULL}, - {FNAME("disengageReject") SEQ, 1, 3, 8, STOP | EXT, 0, NULL}, - {FNAME("locationRequest") SEQ, 2, 5, 17, DECODE | EXT, - offsetof(RasMessage, locationRequest), _LocationRequest}, - {FNAME("locationConfirm") SEQ, 1, 4, 19, DECODE | EXT, - offsetof(RasMessage, locationConfirm), _LocationConfirm}, - {FNAME("locationReject") SEQ, 1, 3, 10, STOP | EXT, 0, NULL}, - {FNAME("infoRequest") SEQ, 2, 4, 15, STOP | EXT, 0, NULL}, - {FNAME("infoRequestResponse") SEQ, 3, 8, 16, DECODE | EXT, - offsetof(RasMessage, infoRequestResponse), _InfoRequestResponse}, - {FNAME("nonStandardMessage") SEQ, 0, 2, 7, STOP | EXT, 0, NULL}, - {FNAME("unknownMessageResponse") SEQ, 0, 1, 5, STOP | EXT, 0, NULL}, - {FNAME("requestInProgress") SEQ, 4, 6, 6, STOP | EXT, 0, NULL}, - {FNAME("resourcesAvailableIndicate") SEQ, 4, 9, 11, STOP | EXT, 0, - NULL}, - {FNAME("resourcesAvailableConfirm") SEQ, 4, 6, 7, STOP | EXT, 0, - NULL}, - {FNAME("infoRequestAck") SEQ, 4, 5, 5, STOP | EXT, 0, NULL}, - {FNAME("infoRequestNak") SEQ, 5, 7, 7, STOP | EXT, 0, NULL}, - {FNAME("serviceControlIndication") SEQ, 8, 10, 10, STOP | EXT, 0, - NULL}, - {FNAME("serviceControlResponse") SEQ, 7, 8, 8, STOP | EXT, 0, NULL}, -}; diff --git a/net/ipv4/netfilter/nf_nat_h323.c b/net/ipv4/netfilter/nf_nat_h323.c new file mode 100644 index 0000000..fb9ab01 --- /dev/null +++ b/net/ipv4/netfilter/nf_nat_h323.c @@ -0,0 +1,596 @@ +/* + * H.323 extension for NAT alteration. + * + * Copyright (c) 2006 Jing Min Zhao + * + * This source code is licensed under General Public License version 2. + * + * Based on the 'brute force' H.323 NAT module by + * Jozsef Kadlecsik + */ + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#if 0 +#define DEBUGP printk +#else +#define DEBUGP(format, args...) +#endif + +/****************************************************************************/ +static int set_addr(struct sk_buff **pskb, + unsigned char **data, int dataoff, + unsigned int addroff, __be32 ip, __be16 port) +{ + enum ip_conntrack_info ctinfo; + struct nf_conn *ct = ip_conntrack_get(*pskb, &ctinfo); + struct { + __be32 ip; + __be16 port; + } __attribute__ ((__packed__)) buf; + struct tcphdr _tcph, *th; + + buf.ip = ip; + buf.port = port; + addroff += dataoff; + + if ((*pskb)->nh.iph->protocol == IPPROTO_TCP) { + if (!nf_nat_mangle_tcp_packet(pskb, ct, ctinfo, + addroff, sizeof(buf), + (char *) &buf, sizeof(buf))) { + if (net_ratelimit()) + printk("nf_nat_h323: nf_nat_mangle_tcp_packet" + " error\n"); + return -1; + } + + /* Relocate data pointer */ + th = skb_header_pointer(*pskb, (*pskb)->nh.iph->ihl * 4, + sizeof(_tcph), &_tcph); + if (th == NULL) + return -1; + *data = (*pskb)->data + (*pskb)->nh.iph->ihl * 4 + + th->doff * 4 + dataoff; + } else { + if (!nf_nat_mangle_udp_packet(pskb, ct, ctinfo, + addroff, sizeof(buf), + (char *) &buf, sizeof(buf))) { + if (net_ratelimit()) + printk("nf_nat_h323: nf_nat_mangle_udp_packet" + " error\n"); + return -1; + } + /* nf_nat_mangle_udp_packet uses skb_make_writable() to copy + * or pull everything in a linear buffer, so we can safely + * use the skb pointers now */ + *data = (*pskb)->data + (*pskb)->nh.iph->ihl * 4 + + sizeof(struct udphdr); + } + + return 0; +} + +/****************************************************************************/ +static int set_h225_addr(struct sk_buff **pskb, + unsigned char **data, int dataoff, + TransportAddress *taddr, + union nf_conntrack_address *addr, __be16 port) +{ + return set_addr(pskb, data, dataoff, taddr->ipAddress.ip, + addr->ip, port); +} + +/****************************************************************************/ +static int set_h245_addr(struct sk_buff **pskb, + unsigned char **data, int dataoff, + H245_TransportAddress *taddr, + union nf_conntrack_address *addr, __be16 port) +{ + return set_addr(pskb, data, dataoff, + taddr->unicastAddress.iPAddress.network, + addr->ip, port); +} + +/****************************************************************************/ +static int set_sig_addr(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, + TransportAddress *taddr, int count) +{ + struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info; + int dir = CTINFO2DIR(ctinfo); + int i; + __be16 port; + union nf_conntrack_address addr; + + for (i = 0; i < count; i++) { + if (get_h225_addr(ct, *data, &taddr[i], &addr, &port)) { + if (addr.ip == ct->tuplehash[dir].tuple.src.u3.ip && + port == info->sig_port[dir]) { + /* GW->GK */ + + /* Fix for Gnomemeeting */ + if (i > 0 && + get_h225_addr(ct, *data, &taddr[0], + &addr, &port) && + (ntohl(addr.ip) & 0xff000000) == 0x7f000000) + i = 0; + + DEBUGP + ("nf_nat_ras: set signal address " + "%u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n", + NIPQUAD(ip), port, + NIPQUAD(ct->tuplehash[!dir].tuple.dst. + ip), info->sig_port[!dir]); + return set_h225_addr(pskb, data, 0, &taddr[i], + &ct->tuplehash[!dir]. + tuple.dst.u3, + info->sig_port[!dir]); + } else if (addr.ip == ct->tuplehash[dir].tuple.dst.u3.ip && + port == info->sig_port[dir]) { + /* GK->GW */ + DEBUGP + ("nf_nat_ras: set signal address " + "%u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n", + NIPQUAD(ip), port, + NIPQUAD(ct->tuplehash[!dir].tuple.src. + ip), info->sig_port[!dir]); + return set_h225_addr(pskb, data, 0, &taddr[i], + &ct->tuplehash[!dir]. + tuple.src.u3, + info->sig_port[!dir]); + } + } + } + + return 0; +} + +/****************************************************************************/ +static int set_ras_addr(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, + TransportAddress *taddr, int count) +{ + int dir = CTINFO2DIR(ctinfo); + int i; + __be16 port; + union nf_conntrack_address addr; + + for (i = 0; i < count; i++) { + if (get_h225_addr(ct, *data, &taddr[i], &addr, &port) && + addr.ip == ct->tuplehash[dir].tuple.src.u3.ip && + port == ct->tuplehash[dir].tuple.src.u.udp.port) { + DEBUGP("nf_nat_ras: set rasAddress " + "%u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n", + NIPQUAD(ip), ntohs(port), + NIPQUAD(ct->tuplehash[!dir].tuple.dst.u3.ip), + ntohs(ct->tuplehash[!dir].tuple.dst.u.udp. + port)); + return set_h225_addr(pskb, data, 0, &taddr[i], + &ct->tuplehash[!dir].tuple.dst.u3, + ct->tuplehash[!dir].tuple. + dst.u.udp.port); + } + } + + return 0; +} + +/****************************************************************************/ +static int nat_rtp_rtcp(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + H245_TransportAddress *taddr, + __be16 port, __be16 rtp_port, + struct nf_conntrack_expect *rtp_exp, + struct nf_conntrack_expect *rtcp_exp) +{ + struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info; + int dir = CTINFO2DIR(ctinfo); + int i; + u_int16_t nated_port; + + /* Set expectations for NAT */ + rtp_exp->saved_proto.udp.port = rtp_exp->tuple.dst.u.udp.port; + rtp_exp->expectfn = nf_nat_follow_master; + rtp_exp->dir = !dir; + rtcp_exp->saved_proto.udp.port = rtcp_exp->tuple.dst.u.udp.port; + rtcp_exp->expectfn = nf_nat_follow_master; + rtcp_exp->dir = !dir; + + /* Lookup existing expects */ + for (i = 0; i < H323_RTP_CHANNEL_MAX; i++) { + if (info->rtp_port[i][dir] == rtp_port) { + /* Expected */ + + /* Use allocated ports first. This will refresh + * the expects */ + rtp_exp->tuple.dst.u.udp.port = info->rtp_port[i][dir]; + rtcp_exp->tuple.dst.u.udp.port = + htons(ntohs(info->rtp_port[i][dir]) + 1); + break; + } else if (info->rtp_port[i][dir] == 0) { + /* Not expected */ + break; + } + } + + /* Run out of expectations */ + if (i >= H323_RTP_CHANNEL_MAX) { + if (net_ratelimit()) + printk("nf_nat_h323: out of expectations\n"); + return 0; + } + + /* Try to get a pair of ports. */ + for (nated_port = ntohs(rtp_exp->tuple.dst.u.udp.port); + nated_port != 0; nated_port += 2) { + rtp_exp->tuple.dst.u.udp.port = htons(nated_port); + if (nf_conntrack_expect_related(rtp_exp) == 0) { + rtcp_exp->tuple.dst.u.udp.port = + htons(nated_port + 1); + if (nf_conntrack_expect_related(rtcp_exp) == 0) + break; + nf_conntrack_unexpect_related(rtp_exp); + } + } + + if (nated_port == 0) { /* No port available */ + if (net_ratelimit()) + printk("nf_nat_h323: out of RTP ports\n"); + return 0; + } + + /* Modify signal */ + if (set_h245_addr(pskb, data, dataoff, taddr, + &ct->tuplehash[!dir].tuple.dst.u3, + htons((port & htons(1)) ? nated_port + 1 : + nated_port)) == 0) { + /* Save ports */ + info->rtp_port[i][dir] = rtp_port; + info->rtp_port[i][!dir] = htons(nated_port); + } else { + nf_conntrack_unexpect_related(rtp_exp); + nf_conntrack_unexpect_related(rtcp_exp); + return -1; + } + + /* Success */ + DEBUGP("nf_nat_h323: expect RTP %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n", + NIPQUAD(rtp_exp->tuple.src.ip), + ntohs(rtp_exp->tuple.src.u.udp.port), + NIPQUAD(rtp_exp->tuple.dst.ip), + ntohs(rtp_exp->tuple.dst.u.udp.port)); + DEBUGP("nf_nat_h323: expect RTCP %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n", + NIPQUAD(rtcp_exp->tuple.src.ip), + ntohs(rtcp_exp->tuple.src.u.udp.port), + NIPQUAD(rtcp_exp->tuple.dst.ip), + ntohs(rtcp_exp->tuple.dst.u.udp.port)); + + return 0; +} + +/****************************************************************************/ +static int nat_t120(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + H245_TransportAddress *taddr, __be16 port, + struct nf_conntrack_expect *exp) +{ + int dir = CTINFO2DIR(ctinfo); + u_int16_t nated_port = ntohs(port); + + /* Set expectations for NAT */ + exp->saved_proto.tcp.port = exp->tuple.dst.u.tcp.port; + exp->expectfn = nf_nat_follow_master; + exp->dir = !dir; + + /* Try to get same port: if not, try to change it. */ + for (; nated_port != 0; nated_port++) { + exp->tuple.dst.u.tcp.port = htons(nated_port); + if (nf_conntrack_expect_related(exp) == 0) + break; + } + + if (nated_port == 0) { /* No port available */ + if (net_ratelimit()) + printk("nf_nat_h323: out of TCP ports\n"); + return 0; + } + + /* Modify signal */ + if (set_h245_addr(pskb, data, dataoff, taddr, + &ct->tuplehash[!dir].tuple.dst.u3, + htons(nated_port)) < 0) { + nf_conntrack_unexpect_related(exp); + return -1; + } + + DEBUGP("nf_nat_h323: expect T.120 %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n", + NIPQUAD(exp->tuple.src.ip), ntohs(exp->tuple.src.u.tcp.port), + NIPQUAD(exp->tuple.dst.ip), ntohs(exp->tuple.dst.u.tcp.port)); + + return 0; +} + +/****************************************************************************/ +static int nat_h245(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + TransportAddress *taddr, __be16 port, + struct nf_conntrack_expect *exp) +{ + struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info; + int dir = CTINFO2DIR(ctinfo); + u_int16_t nated_port = ntohs(port); + + /* Set expectations for NAT */ + exp->saved_proto.tcp.port = exp->tuple.dst.u.tcp.port; + exp->expectfn = nf_nat_follow_master; + exp->dir = !dir; + + /* Check existing expects */ + if (info->sig_port[dir] == port) + nated_port = ntohs(info->sig_port[!dir]); + + /* Try to get same port: if not, try to change it. */ + for (; nated_port != 0; nated_port++) { + exp->tuple.dst.u.tcp.port = htons(nated_port); + if (nf_conntrack_expect_related(exp) == 0) + break; + } + + if (nated_port == 0) { /* No port available */ + if (net_ratelimit()) + printk("nf_nat_q931: out of TCP ports\n"); + return 0; + } + + /* Modify signal */ + if (set_h225_addr(pskb, data, dataoff, taddr, + &ct->tuplehash[!dir].tuple.dst.u3, + htons(nated_port)) == 0) { + /* Save ports */ + info->sig_port[dir] = port; + info->sig_port[!dir] = htons(nated_port); + } else { + nf_conntrack_unexpect_related(exp); + return -1; + } + + DEBUGP("nf_nat_q931: expect H.245 %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n", + NIPQUAD(exp->tuple.src.ip), ntohs(exp->tuple.src.u.tcp.port), + NIPQUAD(exp->tuple.dst.ip), ntohs(exp->tuple.dst.u.tcp.port)); + + return 0; +} + +/**************************************************************************** + * This conntrack expect function replaces nf_conntrack_q931_expect() + * which was set by nf_conntrack_h323.c. + ****************************************************************************/ +static void ip_nat_q931_expect(struct nf_conn *new, + struct nf_conntrack_expect *this) +{ + struct ip_nat_range range; + + if (this->tuple.src.u3.ip != 0) { /* Only accept calls from GK */ + nf_nat_follow_master(new, this); + return; + } + + /* This must be a fresh one. */ + BUG_ON(new->status & IPS_NAT_DONE_MASK); + + /* Change src to where master sends to */ + range.flags = IP_NAT_RANGE_MAP_IPS; + range.min_ip = range.max_ip = new->tuplehash[!this->dir].tuple.src.u3.ip; + + /* hook doesn't matter, but it has to do source manip */ + nf_nat_setup_info(new, &range, NF_IP_POST_ROUTING); + + /* For DST manip, map port here to where it's expected. */ + range.flags = (IP_NAT_RANGE_MAP_IPS | IP_NAT_RANGE_PROTO_SPECIFIED); + range.min = range.max = this->saved_proto; + range.min_ip = range.max_ip = + new->master->tuplehash[!this->dir].tuple.src.u3.ip; + + /* hook doesn't matter, but it has to do destination manip */ + nf_nat_setup_info(new, &range, NF_IP_PRE_ROUTING); +} + +/****************************************************************************/ +static int nat_q931(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, TransportAddress *taddr, int idx, + __be16 port, struct nf_conntrack_expect *exp) +{ + struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info; + int dir = CTINFO2DIR(ctinfo); + u_int16_t nated_port = ntohs(port); + union nf_conntrack_address addr; + + /* Set expectations for NAT */ + exp->saved_proto.tcp.port = exp->tuple.dst.u.tcp.port; + exp->expectfn = ip_nat_q931_expect; + exp->dir = !dir; + + /* Check existing expects */ + if (info->sig_port[dir] == port) + nated_port = ntohs(info->sig_port[!dir]); + + /* Try to get same port: if not, try to change it. */ + for (; nated_port != 0; nated_port++) { + exp->tuple.dst.u.tcp.port = htons(nated_port); + if (nf_conntrack_expect_related(exp) == 0) + break; + } + + if (nated_port == 0) { /* No port available */ + if (net_ratelimit()) + printk("nf_nat_ras: out of TCP ports\n"); + return 0; + } + + /* Modify signal */ + if (set_h225_addr(pskb, data, 0, &taddr[idx], + &ct->tuplehash[!dir].tuple.dst.u3, + htons(nated_port)) == 0) { + /* Save ports */ + info->sig_port[dir] = port; + info->sig_port[!dir] = htons(nated_port); + + /* Fix for Gnomemeeting */ + if (idx > 0 && + get_h225_addr(ct, *data, &taddr[0], &addr, &port) && + (ntohl(addr.ip) & 0xff000000) == 0x7f000000) { + set_h225_addr_hook(pskb, data, 0, &taddr[0], + &ct->tuplehash[!dir].tuple.dst.u3, + info->sig_port[!dir]); + } + } else { + nf_conntrack_unexpect_related(exp); + return -1; + } + + /* Success */ + DEBUGP("nf_nat_ras: expect Q.931 %u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n", + NIPQUAD(exp->tuple.src.ip), ntohs(exp->tuple.src.u.tcp.port), + NIPQUAD(exp->tuple.dst.ip), ntohs(exp->tuple.dst.u.tcp.port)); + + return 0; +} + +/****************************************************************************/ +static void ip_nat_callforwarding_expect(struct nf_conn *new, + struct nf_conntrack_expect *this) +{ + struct nf_nat_range range; + + /* This must be a fresh one. */ + BUG_ON(new->status & IPS_NAT_DONE_MASK); + + /* Change src to where master sends to */ + range.flags = IP_NAT_RANGE_MAP_IPS; + range.min_ip = range.max_ip = new->tuplehash[!this->dir].tuple.src.u3.ip; + + /* hook doesn't matter, but it has to do source manip */ + nf_nat_setup_info(new, &range, NF_IP_POST_ROUTING); + + /* For DST manip, map port here to where it's expected. */ + range.flags = (IP_NAT_RANGE_MAP_IPS | IP_NAT_RANGE_PROTO_SPECIFIED); + range.min = range.max = this->saved_proto; + range.min_ip = range.max_ip = this->saved_ip; + + /* hook doesn't matter, but it has to do destination manip */ + nf_nat_setup_info(new, &range, NF_IP_PRE_ROUTING); +} + +/****************************************************************************/ +static int nat_callforwarding(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + TransportAddress *taddr, __be16 port, + struct nf_conntrack_expect *exp) +{ + int dir = CTINFO2DIR(ctinfo); + u_int16_t nated_port; + + /* Set expectations for NAT */ + exp->saved_ip = exp->tuple.dst.u3.ip; + exp->tuple.dst.u3.ip = ct->tuplehash[!dir].tuple.dst.u3.ip; + exp->saved_proto.tcp.port = exp->tuple.dst.u.tcp.port; + exp->expectfn = ip_nat_callforwarding_expect; + exp->dir = !dir; + + /* Try to get same port: if not, try to change it. */ + for (nated_port = ntohs(port); nated_port != 0; nated_port++) { + exp->tuple.dst.u.tcp.port = htons(nated_port); + if (nf_conntrack_expect_related(exp) == 0) + break; + } + + if (nated_port == 0) { /* No port available */ + if (net_ratelimit()) + printk("nf_nat_q931: out of TCP ports\n"); + return 0; + } + + /* Modify signal */ + if (!set_h225_addr(pskb, data, dataoff, taddr, + &ct->tuplehash[!dir].tuple.dst.u3, + htons(nated_port)) == 0) { + nf_conntrack_unexpect_related(exp); + return -1; + } + + /* Success */ + DEBUGP("nf_nat_q931: expect Call Forwarding " + "%u.%u.%u.%u:%hu->%u.%u.%u.%u:%hu\n", + NIPQUAD(exp->tuple.src.ip), ntohs(exp->tuple.src.u.tcp.port), + NIPQUAD(exp->tuple.dst.ip), ntohs(exp->tuple.dst.u.tcp.port)); + + return 0; +} + +/****************************************************************************/ +static int __init init(void) +{ + BUG_ON(rcu_dereference(set_h245_addr_hook) != NULL); + BUG_ON(rcu_dereference(set_h225_addr_hook) != NULL); + BUG_ON(rcu_dereference(set_sig_addr_hook) != NULL); + BUG_ON(rcu_dereference(set_ras_addr_hook) != NULL); + BUG_ON(rcu_dereference(nat_rtp_rtcp_hook) != NULL); + BUG_ON(rcu_dereference(nat_t120_hook) != NULL); + BUG_ON(rcu_dereference(nat_h245_hook) != NULL); + BUG_ON(rcu_dereference(nat_callforwarding_hook) != NULL); + BUG_ON(rcu_dereference(nat_q931_hook) != NULL); + + rcu_assign_pointer(set_h245_addr_hook, set_h245_addr); + rcu_assign_pointer(set_h225_addr_hook, set_h225_addr); + rcu_assign_pointer(set_sig_addr_hook, set_sig_addr); + rcu_assign_pointer(set_ras_addr_hook, set_ras_addr); + rcu_assign_pointer(nat_rtp_rtcp_hook, nat_rtp_rtcp); + rcu_assign_pointer(nat_t120_hook, nat_t120); + rcu_assign_pointer(nat_h245_hook, nat_h245); + rcu_assign_pointer(nat_callforwarding_hook, nat_callforwarding); + rcu_assign_pointer(nat_q931_hook, nat_q931); + + DEBUGP("nf_nat_h323: init success\n"); + return 0; +} + +/****************************************************************************/ +static void __exit fini(void) +{ + rcu_assign_pointer(set_h245_addr_hook, NULL); + rcu_assign_pointer(set_h225_addr_hook, NULL); + rcu_assign_pointer(set_sig_addr_hook, NULL); + rcu_assign_pointer(set_ras_addr_hook, NULL); + rcu_assign_pointer(nat_rtp_rtcp_hook, NULL); + rcu_assign_pointer(nat_t120_hook, NULL); + rcu_assign_pointer(nat_h245_hook, NULL); + rcu_assign_pointer(nat_callforwarding_hook, NULL); + rcu_assign_pointer(nat_q931_hook, NULL); + synchronize_rcu(); +} + +/****************************************************************************/ +module_init(init); +module_exit(fini); + +MODULE_AUTHOR("Jing Min Zhao "); +MODULE_DESCRIPTION("H.323 NAT helper"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("ip_nat_h323"); diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index f85fd43..d8f3451 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -160,6 +160,25 @@ config NF_CONNTRACK_FTP To compile it as a module, choose M here. If unsure, say N. +config NF_CONNTRACK_H323 + tristate "H.323 protocol support (EXPERIMENTAL)" + depends on EXPERIMENTAL && NF_CONNTRACK + help + H.323 is a VoIP signalling protocol from ITU-T. As one of the most + important VoIP protocols, it is widely used by voice hardware and + software including voice gateways, IP phones, Netmeeting, OpenPhone, + Gnomemeeting, etc. + + With this module you can support H.323 on a connection tracking/NAT + firewall. + + This module supports RAS, Fast Start, H.245 Tunnelling, Call + Forwarding, RTP/RTCP and T.120 based audio, video, fax, chat, + whiteboard, file transfer, etc. For more information, please + visit http://nath323.sourceforge.net/. + + To compile it as a module, choose M here. If unsure, say N. + config NF_CT_NETLINK tristate 'Connection tracking netlink interface (EXPERIMENTAL)' depends on EXPERIMENTAL && NF_CONNTRACK && NETFILTER_NETLINK diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile index a5ee938..69b5545 100644 --- a/net/netfilter/Makefile +++ b/net/netfilter/Makefile @@ -20,8 +20,11 @@ obj-$(CONFIG_NF_CT_PROTO_SCTP) += nf_conntrack_proto_sctp.o obj-$(CONFIG_NF_CT_NETLINK) += nf_conntrack_netlink.o # connection tracking helpers +nf_conntrack_h323-objs := nf_conntrack_h323_main.o nf_conntrack_h323_asn1.o + obj-$(CONFIG_NF_CONNTRACK_AMANDA) += nf_conntrack_amanda.o obj-$(CONFIG_NF_CONNTRACK_FTP) += nf_conntrack_ftp.o +obj-$(CONFIG_NF_CONNTRACK_H323) += nf_conntrack_h323.o # generic X tables obj-$(CONFIG_NETFILTER_XTABLES) += x_tables.o xt_tcpudp.o diff --git a/net/netfilter/nf_conntrack_h323_asn1.c b/net/netfilter/nf_conntrack_h323_asn1.c new file mode 100644 index 0000000..f6fad71 --- /dev/null +++ b/net/netfilter/nf_conntrack_h323_asn1.c @@ -0,0 +1,874 @@ +/**************************************************************************** + * ip_conntrack_helper_h323_asn1.c - BER and PER decoding library for H.323 + * conntrack/NAT module. + * + * Copyright (c) 2006 by Jing Min Zhao + * + * This source code is licensed under General Public License version 2. + * + * See ip_conntrack_helper_h323_asn1.h for details. + * + ****************************************************************************/ + +#ifdef __KERNEL__ +#include +#else +#include +#endif +#include + +/* Trace Flag */ +#ifndef H323_TRACE +#define H323_TRACE 0 +#endif + +#if H323_TRACE +#define TAB_SIZE 4 +#define IFTHEN(cond, act) if(cond){act;} +#ifdef __KERNEL__ +#define PRINT printk +#else +#define PRINT printf +#endif +#define FNAME(name) name, +#else +#define IFTHEN(cond, act) +#define PRINT(fmt, args...) +#define FNAME(name) +#endif + +/* ASN.1 Types */ +#define NUL 0 +#define BOOL 1 +#define OID 2 +#define INT 3 +#define ENUM 4 +#define BITSTR 5 +#define NUMSTR 6 +#define NUMDGT 6 +#define TBCDSTR 6 +#define OCTSTR 7 +#define PRTSTR 7 +#define IA5STR 7 +#define GENSTR 7 +#define BMPSTR 8 +#define SEQ 9 +#define SET 9 +#define SEQOF 10 +#define SETOF 10 +#define CHOICE 11 + +/* Constraint Types */ +#define FIXD 0 +/* #define BITS 1-8 */ +#define BYTE 9 +#define WORD 10 +#define CONS 11 +#define SEMI 12 +#define UNCO 13 + +/* ASN.1 Type Attributes */ +#define SKIP 0 +#define STOP 1 +#define DECODE 2 +#define EXT 4 +#define OPEN 8 +#define OPT 16 + + +/* ASN.1 Field Structure */ +typedef struct field_t { +#if H323_TRACE + char *name; +#endif + unsigned char type; + unsigned char sz; + unsigned char lb; + unsigned char ub; + unsigned short attr; + unsigned short offset; + struct field_t *fields; +} field_t; + +/* Bit Stream */ +typedef struct { + unsigned char *buf; + unsigned char *beg; + unsigned char *end; + unsigned char *cur; + unsigned bit; +} bitstr_t; + +/* Tool Functions */ +#define INC_BIT(bs) if((++bs->bit)>7){bs->cur++;bs->bit=0;} +#define INC_BITS(bs,b) if((bs->bit+=b)>7){bs->cur+=bs->bit>>3;bs->bit&=7;} +#define BYTE_ALIGN(bs) if(bs->bit){bs->cur++;bs->bit=0;} +#define CHECK_BOUND(bs,n) if(bs->cur+(n)>bs->end)return(H323_ERROR_BOUND) +static unsigned get_len(bitstr_t * bs); +static unsigned get_bit(bitstr_t * bs); +static unsigned get_bits(bitstr_t * bs, unsigned b); +static unsigned get_bitmap(bitstr_t * bs, unsigned b); +static unsigned get_uint(bitstr_t * bs, int b); + +/* Decoder Functions */ +static int decode_nul(bitstr_t * bs, field_t * f, char *base, int level); +static int decode_bool(bitstr_t * bs, field_t * f, char *base, int level); +static int decode_oid(bitstr_t * bs, field_t * f, char *base, int level); +static int decode_int(bitstr_t * bs, field_t * f, char *base, int level); +static int decode_enum(bitstr_t * bs, field_t * f, char *base, int level); +static int decode_bitstr(bitstr_t * bs, field_t * f, char *base, int level); +static int decode_numstr(bitstr_t * bs, field_t * f, char *base, int level); +static int decode_octstr(bitstr_t * bs, field_t * f, char *base, int level); +static int decode_bmpstr(bitstr_t * bs, field_t * f, char *base, int level); +static int decode_seq(bitstr_t * bs, field_t * f, char *base, int level); +static int decode_seqof(bitstr_t * bs, field_t * f, char *base, int level); +static int decode_choice(bitstr_t * bs, field_t * f, char *base, int level); + +/* Decoder Functions Vector */ +typedef int (*decoder_t) (bitstr_t *, field_t *, char *, int); +static decoder_t Decoders[] = { + decode_nul, + decode_bool, + decode_oid, + decode_int, + decode_enum, + decode_bitstr, + decode_numstr, + decode_octstr, + decode_bmpstr, + decode_seq, + decode_seqof, + decode_choice, +}; + +/**************************************************************************** + * H.323 Types + ****************************************************************************/ +#include "nf_conntrack_h323_types.c" + +/**************************************************************************** + * Functions + ****************************************************************************/ +/* Assume bs is aligned && v < 16384 */ +unsigned get_len(bitstr_t * bs) +{ + unsigned v; + + v = *bs->cur++; + + if (v & 0x80) { + v &= 0x3f; + v <<= 8; + v += *bs->cur++; + } + + return v; +} + +/****************************************************************************/ +unsigned get_bit(bitstr_t * bs) +{ + unsigned b = (*bs->cur) & (0x80 >> bs->bit); + + INC_BIT(bs); + + return b; +} + +/****************************************************************************/ +/* Assume b <= 8 */ +unsigned get_bits(bitstr_t * bs, unsigned b) +{ + unsigned v, l; + + v = (*bs->cur) & (0xffU >> bs->bit); + l = b + bs->bit; + + if (l < 8) { + v >>= 8 - l; + bs->bit = l; + } else if (l == 8) { + bs->cur++; + bs->bit = 0; + } else { /* l > 8 */ + + v <<= 8; + v += *(++bs->cur); + v >>= 16 - l; + bs->bit = l - 8; + } + + return v; +} + +/****************************************************************************/ +/* Assume b <= 32 */ +unsigned get_bitmap(bitstr_t * bs, unsigned b) +{ + unsigned v, l, shift, bytes; + + if (!b) + return 0; + + l = bs->bit + b; + + if (l < 8) { + v = (unsigned) (*bs->cur) << (bs->bit + 24); + bs->bit = l; + } else if (l == 8) { + v = (unsigned) (*bs->cur++) << (bs->bit + 24); + bs->bit = 0; + } else { + for (bytes = l >> 3, shift = 24, v = 0; bytes; + bytes--, shift -= 8) + v |= (unsigned) (*bs->cur++) << shift; + + if (l < 32) { + v |= (unsigned) (*bs->cur) << shift; + v <<= bs->bit; + } else if (l > 32) { + v <<= bs->bit; + v |= (*bs->cur) >> (8 - bs->bit); + } + + bs->bit = l & 0x7; + } + + v &= 0xffffffff << (32 - b); + + return v; +} + +/**************************************************************************** + * Assume bs is aligned and sizeof(unsigned int) == 4 + ****************************************************************************/ +unsigned get_uint(bitstr_t * bs, int b) +{ + unsigned v = 0; + + switch (b) { + case 4: + v |= *bs->cur++; + v <<= 8; + case 3: + v |= *bs->cur++; + v <<= 8; + case 2: + v |= *bs->cur++; + v <<= 8; + case 1: + v |= *bs->cur++; + break; + } + return v; +} + +/****************************************************************************/ +int decode_nul(bitstr_t * bs, field_t * f, char *base, int level) +{ + PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); + + return H323_ERROR_NONE; +} + +/****************************************************************************/ +int decode_bool(bitstr_t * bs, field_t * f, char *base, int level) +{ + PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); + + INC_BIT(bs); + + CHECK_BOUND(bs, 0); + return H323_ERROR_NONE; +} + +/****************************************************************************/ +int decode_oid(bitstr_t * bs, field_t * f, char *base, int level) +{ + int len; + + PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); + + BYTE_ALIGN(bs); + CHECK_BOUND(bs, 1); + len = *bs->cur++; + bs->cur += len; + + CHECK_BOUND(bs, 0); + return H323_ERROR_NONE; +} + +/****************************************************************************/ +int decode_int(bitstr_t * bs, field_t * f, char *base, int level) +{ + unsigned len; + + PRINT("%*.s%s", level * TAB_SIZE, " ", f->name); + + switch (f->sz) { + case BYTE: /* Range == 256 */ + BYTE_ALIGN(bs); + bs->cur++; + break; + case WORD: /* 257 <= Range <= 64K */ + BYTE_ALIGN(bs); + bs->cur += 2; + break; + case CONS: /* 64K < Range < 4G */ + len = get_bits(bs, 2) + 1; + BYTE_ALIGN(bs); + if (base && (f->attr & DECODE)) { /* timeToLive */ + unsigned v = get_uint(bs, len) + f->lb; + PRINT(" = %u", v); + *((unsigned *) (base + f->offset)) = v; + } + bs->cur += len; + break; + case UNCO: + BYTE_ALIGN(bs); + CHECK_BOUND(bs, 2); + len = get_len(bs); + bs->cur += len; + break; + default: /* 2 <= Range <= 255 */ + INC_BITS(bs, f->sz); + break; + } + + PRINT("\n"); + + CHECK_BOUND(bs, 0); + return H323_ERROR_NONE; +} + +/****************************************************************************/ +int decode_enum(bitstr_t * bs, field_t * f, char *base, int level) +{ + PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); + + if ((f->attr & EXT) && get_bit(bs)) { + INC_BITS(bs, 7); + } else { + INC_BITS(bs, f->sz); + } + + CHECK_BOUND(bs, 0); + return H323_ERROR_NONE; +} + +/****************************************************************************/ +int decode_bitstr(bitstr_t * bs, field_t * f, char *base, int level) +{ + unsigned len; + + PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); + + BYTE_ALIGN(bs); + switch (f->sz) { + case FIXD: /* fixed length > 16 */ + len = f->lb; + break; + case WORD: /* 2-byte length */ + CHECK_BOUND(bs, 2); + len = (*bs->cur++) << 8; + len += (*bs->cur++) + f->lb; + break; + case SEMI: + CHECK_BOUND(bs, 2); + len = get_len(bs); + break; + default: + len = 0; + break; + } + + bs->cur += len >> 3; + bs->bit = len & 7; + + CHECK_BOUND(bs, 0); + return H323_ERROR_NONE; +} + +/****************************************************************************/ +int decode_numstr(bitstr_t * bs, field_t * f, char *base, int level) +{ + unsigned len; + + PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); + + /* 2 <= Range <= 255 */ + len = get_bits(bs, f->sz) + f->lb; + + BYTE_ALIGN(bs); + INC_BITS(bs, (len << 2)); + + CHECK_BOUND(bs, 0); + return H323_ERROR_NONE; +} + +/****************************************************************************/ +int decode_octstr(bitstr_t * bs, field_t * f, char *base, int level) +{ + unsigned len; + + PRINT("%*.s%s", level * TAB_SIZE, " ", f->name); + + switch (f->sz) { + case FIXD: /* Range == 1 */ + if (f->lb > 2) { + BYTE_ALIGN(bs); + if (base && (f->attr & DECODE)) { + /* The IP Address */ + IFTHEN(f->lb == 4, + PRINT(" = %d.%d.%d.%d:%d", + bs->cur[0], bs->cur[1], + bs->cur[2], bs->cur[3], + bs->cur[4] * 256 + bs->cur[5])); + *((unsigned *) (base + f->offset)) = + bs->cur - bs->buf; + } + } + len = f->lb; + break; + case BYTE: /* Range == 256 */ + BYTE_ALIGN(bs); + CHECK_BOUND(bs, 1); + len = (*bs->cur++) + f->lb; + break; + case SEMI: + BYTE_ALIGN(bs); + CHECK_BOUND(bs, 2); + len = get_len(bs) + f->lb; + break; + default: /* 2 <= Range <= 255 */ + len = get_bits(bs, f->sz) + f->lb; + BYTE_ALIGN(bs); + break; + } + + bs->cur += len; + + PRINT("\n"); + + CHECK_BOUND(bs, 0); + return H323_ERROR_NONE; +} + +/****************************************************************************/ +int decode_bmpstr(bitstr_t * bs, field_t * f, char *base, int level) +{ + unsigned len; + + PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); + + switch (f->sz) { + case BYTE: /* Range == 256 */ + BYTE_ALIGN(bs); + CHECK_BOUND(bs, 1); + len = (*bs->cur++) + f->lb; + break; + default: /* 2 <= Range <= 255 */ + len = get_bits(bs, f->sz) + f->lb; + BYTE_ALIGN(bs); + break; + } + + bs->cur += len << 1; + + CHECK_BOUND(bs, 0); + return H323_ERROR_NONE; +} + +/****************************************************************************/ +int decode_seq(bitstr_t * bs, field_t * f, char *base, int level) +{ + unsigned ext, bmp, i, opt, len = 0, bmp2, bmp2_len; + int err; + field_t *son; + unsigned char *beg = NULL; + + PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); + + /* Decode? */ + base = (base && (f->attr & DECODE)) ? base + f->offset : NULL; + + /* Extensible? */ + ext = (f->attr & EXT) ? get_bit(bs) : 0; + + /* Get fields bitmap */ + bmp = get_bitmap(bs, f->sz); + if (base) + *(unsigned *) base = bmp; + + /* Decode the root components */ + for (i = opt = 0, son = f->fields; i < f->lb; i++, son++) { + if (son->attr & STOP) { + PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, " ", + son->name); + return H323_ERROR_STOP; + } + + if (son->attr & OPT) { /* Optional component */ + if (!((0x80000000U >> (opt++)) & bmp)) /* Not exist */ + continue; + } + + /* Decode */ + if (son->attr & OPEN) { /* Open field */ + CHECK_BOUND(bs, 2); + len = get_len(bs); + CHECK_BOUND(bs, len); + if (!base) { + PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, + " ", son->name); + bs->cur += len; + continue; + } + beg = bs->cur; + + /* Decode */ + if ((err = (Decoders[son->type]) (bs, son, base, + level + 1)) < + H323_ERROR_NONE) + return err; + + bs->cur = beg + len; + bs->bit = 0; + } else if ((err = (Decoders[son->type]) (bs, son, base, + level + 1)) < + H323_ERROR_NONE) + return err; + } + + /* No extension? */ + if (!ext) + return H323_ERROR_NONE; + + /* Get the extension bitmap */ + bmp2_len = get_bits(bs, 7) + 1; + CHECK_BOUND(bs, (bmp2_len + 7) >> 3); + bmp2 = get_bitmap(bs, bmp2_len); + bmp |= bmp2 >> f->sz; + if (base) + *(unsigned *) base = bmp; + BYTE_ALIGN(bs); + + /* Decode the extension components */ + for (opt = 0; opt < bmp2_len; opt++, i++, son++) { + if (i < f->ub && son->attr & STOP) { + PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, " ", + son->name); + return H323_ERROR_STOP; + } + + if (!((0x80000000 >> opt) & bmp2)) /* Not present */ + continue; + + /* Check Range */ + if (i >= f->ub) { /* Newer Version? */ + CHECK_BOUND(bs, 2); + len = get_len(bs); + CHECK_BOUND(bs, len); + bs->cur += len; + continue; + } + + CHECK_BOUND(bs, 2); + len = get_len(bs); + CHECK_BOUND(bs, len); + if (!base || !(son->attr & DECODE)) { + PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, " ", + son->name); + bs->cur += len; + continue; + } + beg = bs->cur; + + if ((err = (Decoders[son->type]) (bs, son, base, + level + 1)) < + H323_ERROR_NONE) + return err; + + bs->cur = beg + len; + bs->bit = 0; + } + return H323_ERROR_NONE; +} + +/****************************************************************************/ +int decode_seqof(bitstr_t * bs, field_t * f, char *base, int level) +{ + unsigned count, effective_count = 0, i, len = 0; + int err; + field_t *son; + unsigned char *beg = NULL; + + PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); + + /* Decode? */ + base = (base && (f->attr & DECODE)) ? base + f->offset : NULL; + + /* Decode item count */ + switch (f->sz) { + case BYTE: + BYTE_ALIGN(bs); + CHECK_BOUND(bs, 1); + count = *bs->cur++; + break; + case WORD: + BYTE_ALIGN(bs); + CHECK_BOUND(bs, 2); + count = *bs->cur++; + count <<= 8; + count = *bs->cur++; + break; + case SEMI: + BYTE_ALIGN(bs); + CHECK_BOUND(bs, 2); + count = get_len(bs); + break; + default: + count = get_bits(bs, f->sz); + break; + } + count += f->lb; + + /* Write Count */ + if (base) { + effective_count = count > f->ub ? f->ub : count; + *(unsigned *) base = effective_count; + base += sizeof(unsigned); + } + + /* Decode nested field */ + son = f->fields; + if (base) + base -= son->offset; + for (i = 0; i < count; i++) { + if (son->attr & OPEN) { + BYTE_ALIGN(bs); + len = get_len(bs); + CHECK_BOUND(bs, len); + if (!base || !(son->attr & DECODE)) { + PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, + " ", son->name); + bs->cur += len; + continue; + } + beg = bs->cur; + + if ((err = (Decoders[son->type]) (bs, son, + i < + effective_count ? + base : NULL, + level + 1)) < + H323_ERROR_NONE) + return err; + + bs->cur = beg + len; + bs->bit = 0; + } else + if ((err = (Decoders[son->type]) (bs, son, + i < + effective_count ? + base : NULL, + level + 1)) < + H323_ERROR_NONE) + return err; + + if (base) + base += son->offset; + } + + return H323_ERROR_NONE; +} + + +/****************************************************************************/ +int decode_choice(bitstr_t * bs, field_t * f, char *base, int level) +{ + unsigned type, ext, len = 0; + int err; + field_t *son; + unsigned char *beg = NULL; + + PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name); + + /* Decode? */ + base = (base && (f->attr & DECODE)) ? base + f->offset : NULL; + + /* Decode the choice index number */ + if ((f->attr & EXT) && get_bit(bs)) { + ext = 1; + type = get_bits(bs, 7) + f->lb; + } else { + ext = 0; + type = get_bits(bs, f->sz); + } + + /* Write Type */ + if (base) + *(unsigned *) base = type; + + /* Check Range */ + if (type >= f->ub) { /* Newer version? */ + BYTE_ALIGN(bs); + len = get_len(bs); + CHECK_BOUND(bs, len); + bs->cur += len; + return H323_ERROR_NONE; + } + + /* Transfer to son level */ + son = &f->fields[type]; + if (son->attr & STOP) { + PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, " ", son->name); + return H323_ERROR_STOP; + } + + if (ext || (son->attr & OPEN)) { + BYTE_ALIGN(bs); + len = get_len(bs); + CHECK_BOUND(bs, len); + if (!base || !(son->attr & DECODE)) { + PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, " ", + son->name); + bs->cur += len; + return H323_ERROR_NONE; + } + beg = bs->cur; + + if ((err = (Decoders[son->type]) (bs, son, base, level + 1)) < + H323_ERROR_NONE) + return err; + + bs->cur = beg + len; + bs->bit = 0; + } else if ((err = (Decoders[son->type]) (bs, son, base, level + 1)) < + H323_ERROR_NONE) + return err; + + return H323_ERROR_NONE; +} + +/****************************************************************************/ +int DecodeRasMessage(unsigned char *buf, size_t sz, RasMessage * ras) +{ + static field_t ras_message = { + FNAME("RasMessage") CHOICE, 5, 24, 32, DECODE | EXT, + 0, _RasMessage + }; + bitstr_t bs; + + bs.buf = bs.beg = bs.cur = buf; + bs.end = buf + sz; + bs.bit = 0; + + return decode_choice(&bs, &ras_message, (char *) ras, 0); +} + +/****************************************************************************/ +static int DecodeH323_UserInformation(unsigned char *buf, unsigned char *beg, + size_t sz, H323_UserInformation * uuie) +{ + static field_t h323_userinformation = { + FNAME("H323-UserInformation") SEQ, 1, 2, 2, DECODE | EXT, + 0, _H323_UserInformation + }; + bitstr_t bs; + + bs.buf = buf; + bs.beg = bs.cur = beg; + bs.end = beg + sz; + bs.bit = 0; + + return decode_seq(&bs, &h323_userinformation, (char *) uuie, 0); +} + +/****************************************************************************/ +int DecodeMultimediaSystemControlMessage(unsigned char *buf, size_t sz, + MultimediaSystemControlMessage * + mscm) +{ + static field_t multimediasystemcontrolmessage = { + FNAME("MultimediaSystemControlMessage") CHOICE, 2, 4, 4, + DECODE | EXT, 0, _MultimediaSystemControlMessage + }; + bitstr_t bs; + + bs.buf = bs.beg = bs.cur = buf; + bs.end = buf + sz; + bs.bit = 0; + + return decode_choice(&bs, &multimediasystemcontrolmessage, + (char *) mscm, 0); +} + +/****************************************************************************/ +int DecodeQ931(unsigned char *buf, size_t sz, Q931 * q931) +{ + unsigned char *p = buf; + int len; + + if (!p || sz < 1) + return H323_ERROR_BOUND; + + /* Protocol Discriminator */ + if (*p != 0x08) { + PRINT("Unknown Protocol Discriminator\n"); + return H323_ERROR_RANGE; + } + p++; + sz--; + + /* CallReferenceValue */ + if (sz < 1) + return H323_ERROR_BOUND; + len = *p++; + sz--; + if (sz < len) + return H323_ERROR_BOUND; + p += len; + sz -= len; + + /* Message Type */ + if (sz < 1) + return H323_ERROR_BOUND; + q931->MessageType = *p++; + PRINT("MessageType = %02X\n", q931->MessageType); + if (*p & 0x80) { + p++; + sz--; + } + + /* Decode Information Elements */ + while (sz > 0) { + if (*p == 0x7e) { /* UserUserIE */ + if (sz < 3) + break; + p++; + len = *p++ << 8; + len |= *p++; + sz -= 3; + if (sz < len) + break; + p++; + len--; + return DecodeH323_UserInformation(buf, p, len, + &q931->UUIE); + } + p++; + sz--; + if (sz < 1) + break; + len = *p++; + if (sz < len) + break; + p += len; + sz -= len; + } + + PRINT("Q.931 UUIE not found\n"); + + return H323_ERROR_BOUND; +} diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c new file mode 100644 index 0000000..6d85689 --- /dev/null +++ b/net/netfilter/nf_conntrack_h323_main.c @@ -0,0 +1,1856 @@ +/* + * H.323 connection tracking helper + * + * Copyright (c) 2006 Jing Min Zhao + * + * This source code is licensed under General Public License version 2. + * + * Based on the 'brute force' H.323 connection tracking module by + * Jozsef Kadlecsik + * + * For more information, please see http://nath323.sourceforge.net/ + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#if 0 +#define DEBUGP printk +#else +#define DEBUGP(format, args...) +#endif + +/* Parameters */ +static unsigned int default_rrq_ttl __read_mostly = 300; +module_param(default_rrq_ttl, uint, 0600); +MODULE_PARM_DESC(default_rrq_ttl, "use this TTL if it's missing in RRQ"); + +static int gkrouted_only __read_mostly = 1; +module_param(gkrouted_only, int, 0600); +MODULE_PARM_DESC(gkrouted_only, "only accept calls from gatekeeper"); + +static int callforward_filter __read_mostly = 1; +module_param(callforward_filter, bool, 0600); +MODULE_PARM_DESC(callforward_filter, "only create call forwarding expectations " + "if both endpoints are on different sides " + "(determined by routing information)"); + +/* Hooks for NAT */ +int (*set_h245_addr_hook) (struct sk_buff **pskb, + unsigned char **data, int dataoff, + H245_TransportAddress *taddr, + union nf_conntrack_address *addr, __be16 port) + __read_mostly; +int (*set_h225_addr_hook) (struct sk_buff **pskb, + unsigned char **data, int dataoff, + TransportAddress *taddr, + union nf_conntrack_address *addr, __be16 port) + __read_mostly; +int (*set_sig_addr_hook) (struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, + TransportAddress *taddr, int count) __read_mostly; +int (*set_ras_addr_hook) (struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, + TransportAddress *taddr, int count) __read_mostly; +int (*nat_rtp_rtcp_hook) (struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + H245_TransportAddress *taddr, + __be16 port, __be16 rtp_port, + struct nf_conntrack_expect *rtp_exp, + struct nf_conntrack_expect *rtcp_exp) __read_mostly; +int (*nat_t120_hook) (struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + H245_TransportAddress *taddr, __be16 port, + struct nf_conntrack_expect *exp) __read_mostly; +int (*nat_h245_hook) (struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + TransportAddress *taddr, __be16 port, + struct nf_conntrack_expect *exp) __read_mostly; +int (*nat_callforwarding_hook) (struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + TransportAddress *taddr, __be16 port, + struct nf_conntrack_expect *exp) __read_mostly; +int (*nat_q931_hook) (struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, TransportAddress *taddr, int idx, + __be16 port, struct nf_conntrack_expect *exp) + __read_mostly; + +static DEFINE_SPINLOCK(nf_h323_lock); +static char *h323_buffer; + +static struct nf_conntrack_helper nf_conntrack_helper_h245; +static struct nf_conntrack_helper nf_conntrack_helper_q931[]; +static struct nf_conntrack_helper nf_conntrack_helper_ras[]; + +/****************************************************************************/ +static int get_tpkt_data(struct sk_buff **pskb, unsigned int protoff, + struct nf_conn *ct, enum ip_conntrack_info ctinfo, + unsigned char **data, int *datalen, int *dataoff) +{ + struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info; + int dir = CTINFO2DIR(ctinfo); + struct tcphdr _tcph, *th; + int tcpdatalen; + int tcpdataoff; + unsigned char *tpkt; + int tpktlen; + int tpktoff; + + /* Get TCP header */ + th = skb_header_pointer(*pskb, protoff, sizeof(_tcph), &_tcph); + if (th == NULL) + return 0; + + /* Get TCP data offset */ + tcpdataoff = protoff + th->doff * 4; + + /* Get TCP data length */ + tcpdatalen = (*pskb)->len - tcpdataoff; + if (tcpdatalen <= 0) /* No TCP data */ + goto clear_out; + + if (*data == NULL) { /* first TPKT */ + /* Get first TPKT pointer */ + tpkt = skb_header_pointer(*pskb, tcpdataoff, tcpdatalen, + h323_buffer); + BUG_ON(tpkt == NULL); + + /* Validate TPKT identifier */ + if (tcpdatalen < 4 || tpkt[0] != 0x03 || tpkt[1] != 0) { + /* Netmeeting sends TPKT header and data separately */ + if (info->tpkt_len[dir] > 0) { + DEBUGP("nf_ct_h323: previous packet " + "indicated separate TPKT data of %hu " + "bytes\n", info->tpkt_len[dir]); + if (info->tpkt_len[dir] <= tcpdatalen) { + /* Yes, there was a TPKT header + * received */ + *data = tpkt; + *datalen = info->tpkt_len[dir]; + *dataoff = 0; + goto out; + } + + /* Fragmented TPKT */ + if (net_ratelimit()) + printk("nf_ct_h323: " + "fragmented TPKT\n"); + goto clear_out; + } + + /* It is not even a TPKT */ + return 0; + } + tpktoff = 0; + } else { /* Next TPKT */ + tpktoff = *dataoff + *datalen; + tcpdatalen -= tpktoff; + if (tcpdatalen <= 4) /* No more TPKT */ + goto clear_out; + tpkt = *data + *datalen; + + /* Validate TPKT identifier */ + if (tpkt[0] != 0x03 || tpkt[1] != 0) + goto clear_out; + } + + /* Validate TPKT length */ + tpktlen = tpkt[2] * 256 + tpkt[3]; + if (tpktlen < 4) + goto clear_out; + if (tpktlen > tcpdatalen) { + if (tcpdatalen == 4) { /* Separate TPKT header */ + /* Netmeeting sends TPKT header and data separately */ + DEBUGP("nf_ct_h323: separate TPKT header indicates " + "there will be TPKT data of %hu bytes\n", + tpktlen - 4); + info->tpkt_len[dir] = tpktlen - 4; + return 0; + } + + if (net_ratelimit()) + printk("nf_ct_h323: incomplete TPKT (fragmented?)\n"); + goto clear_out; + } + + /* This is the encapsulated data */ + *data = tpkt + 4; + *datalen = tpktlen - 4; + *dataoff = tpktoff + 4; + + out: + /* Clear TPKT length */ + info->tpkt_len[dir] = 0; + return 1; + + clear_out: + info->tpkt_len[dir] = 0; + return 0; +} + +/****************************************************************************/ +static int get_h245_addr(struct nf_conn *ct, unsigned char *data, + H245_TransportAddress *taddr, + union nf_conntrack_address *addr, __be16 *port) +{ + unsigned char *p; + int family = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num; + int len; + + if (taddr->choice != eH245_TransportAddress_unicastAddress) + return 0; + + switch (taddr->unicastAddress.choice) { + case eUnicastAddress_iPAddress: + if (family != AF_INET) + return 0; + p = data + taddr->unicastAddress.iPAddress.network; + len = 4; + break; + case eUnicastAddress_iP6Address: + if (family != AF_INET6) + return 0; + p = data + taddr->unicastAddress.iP6Address.network; + len = 16; + break; + default: + return 0; + } + + memcpy(addr, p, len); + memset((void *)addr + len, 0, sizeof(*addr) - len); + memcpy(port, p + len, sizeof(__be16)); + + return 1; +} + +/****************************************************************************/ +static int expect_rtp_rtcp(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + H245_TransportAddress *taddr) +{ + int dir = CTINFO2DIR(ctinfo); + int ret = 0; + __be16 port; + __be16 rtp_port, rtcp_port; + union nf_conntrack_address addr; + struct nf_conntrack_expect *rtp_exp; + struct nf_conntrack_expect *rtcp_exp; + typeof(nat_rtp_rtcp_hook) nat_rtp_rtcp; + + /* Read RTP or RTCP address */ + if (!get_h245_addr(ct, *data, taddr, &addr, &port) || + memcmp(&addr, &ct->tuplehash[dir].tuple.src.u3, sizeof(addr)) || + port == 0) + return 0; + + /* RTP port is even */ + port &= htons(~1); + rtp_port = port; + rtcp_port = htons(ntohs(port) + 1); + + /* Create expect for RTP */ + if ((rtp_exp = nf_conntrack_expect_alloc(ct)) == NULL) + return -1; + nf_conntrack_expect_init(rtp_exp, ct->tuplehash[!dir].tuple.src.l3num, + &ct->tuplehash[!dir].tuple.src.u3, + &ct->tuplehash[!dir].tuple.dst.u3, + IPPROTO_UDP, NULL, &rtp_port); + + /* Create expect for RTCP */ + if ((rtcp_exp = nf_conntrack_expect_alloc(ct)) == NULL) { + nf_conntrack_expect_put(rtp_exp); + return -1; + } + nf_conntrack_expect_init(rtcp_exp, ct->tuplehash[!dir].tuple.src.l3num, + &ct->tuplehash[!dir].tuple.src.u3, + &ct->tuplehash[!dir].tuple.dst.u3, + IPPROTO_UDP, NULL, &rtcp_port); + + if (memcmp(&ct->tuplehash[dir].tuple.src.u3, + &ct->tuplehash[!dir].tuple.dst.u3, + sizeof(ct->tuplehash[dir].tuple.src.u3)) && + (nat_rtp_rtcp = rcu_dereference(nat_rtp_rtcp_hook)) && + ct->status & IPS_NAT_MASK) { + /* NAT needed */ + ret = nat_rtp_rtcp(pskb, ct, ctinfo, data, dataoff, + taddr, port, rtp_port, rtp_exp, rtcp_exp); + } else { /* Conntrack only */ + if (nf_conntrack_expect_related(rtp_exp) == 0) { + if (nf_conntrack_expect_related(rtcp_exp) == 0) { + DEBUGP("nf_ct_h323: expect RTP "); + NF_CT_DUMP_TUPLE(&rtp_exp->tuple); + DEBUGP("nf_ct_h323: expect RTCP "); + NF_CT_DUMP_TUPLE(&rtcp_exp->tuple); + } else { + nf_conntrack_unexpect_related(rtp_exp); + ret = -1; + } + } else + ret = -1; + } + + nf_conntrack_expect_put(rtp_exp); + nf_conntrack_expect_put(rtcp_exp); + + return ret; +} + +/****************************************************************************/ +static int expect_t120(struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + H245_TransportAddress *taddr) +{ + int dir = CTINFO2DIR(ctinfo); + int ret = 0; + __be16 port; + union nf_conntrack_address addr; + struct nf_conntrack_expect *exp; + typeof(nat_t120_hook) nat_t120; + + /* Read T.120 address */ + if (!get_h245_addr(ct, *data, taddr, &addr, &port) || + memcmp(&addr, &ct->tuplehash[dir].tuple.src.u3, sizeof(addr)) || + port == 0) + return 0; + + /* Create expect for T.120 connections */ + if ((exp = nf_conntrack_expect_alloc(ct)) == NULL) + return -1; + nf_conntrack_expect_init(exp, ct->tuplehash[!dir].tuple.src.l3num, + &ct->tuplehash[!dir].tuple.src.u3, + &ct->tuplehash[!dir].tuple.dst.u3, + IPPROTO_TCP, NULL, &port); + exp->flags = NF_CT_EXPECT_PERMANENT; /* Accept multiple channels */ + + if (memcmp(&ct->tuplehash[dir].tuple.src.u3, + &ct->tuplehash[!dir].tuple.dst.u3, + sizeof(ct->tuplehash[dir].tuple.src.u3)) && + (nat_t120 = rcu_dereference(nat_t120_hook)) && + ct->status & IPS_NAT_MASK) { + /* NAT needed */ + ret = nat_t120(pskb, ct, ctinfo, data, dataoff, taddr, + port, exp); + } else { /* Conntrack only */ + if (nf_conntrack_expect_related(exp) == 0) { + DEBUGP("nf_ct_h323: expect T.120 "); + NF_CT_DUMP_TUPLE(&exp->tuple); + } else + ret = -1; + } + + nf_conntrack_expect_put(exp); + + return ret; +} + +/****************************************************************************/ +static int process_h245_channel(struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + H2250LogicalChannelParameters *channel) +{ + int ret; + + if (channel->options & eH2250LogicalChannelParameters_mediaChannel) { + /* RTP */ + ret = expect_rtp_rtcp(pskb, ct, ctinfo, data, dataoff, + &channel->mediaChannel); + if (ret < 0) + return -1; + } + + if (channel-> + options & eH2250LogicalChannelParameters_mediaControlChannel) { + /* RTCP */ + ret = expect_rtp_rtcp(pskb, ct, ctinfo, data, dataoff, + &channel->mediaControlChannel); + if (ret < 0) + return -1; + } + + return 0; +} + +/****************************************************************************/ +static int process_olc(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + OpenLogicalChannel *olc) +{ + int ret; + + DEBUGP("nf_ct_h323: OpenLogicalChannel\n"); + + if (olc->forwardLogicalChannelParameters.multiplexParameters.choice == + eOpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters_h2250LogicalChannelParameters) + { + ret = process_h245_channel(pskb, ct, ctinfo, data, dataoff, + &olc-> + forwardLogicalChannelParameters. + multiplexParameters. + h2250LogicalChannelParameters); + if (ret < 0) + return -1; + } + + if ((olc->options & + eOpenLogicalChannel_reverseLogicalChannelParameters) && + (olc->reverseLogicalChannelParameters.options & + eOpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters) + && (olc->reverseLogicalChannelParameters.multiplexParameters. + choice == + eOpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters_h2250LogicalChannelParameters)) + { + ret = + process_h245_channel(pskb, ct, ctinfo, data, dataoff, + &olc-> + reverseLogicalChannelParameters. + multiplexParameters. + h2250LogicalChannelParameters); + if (ret < 0) + return -1; + } + + if ((olc->options & eOpenLogicalChannel_separateStack) && + olc->forwardLogicalChannelParameters.dataType.choice == + eDataType_data && + olc->forwardLogicalChannelParameters.dataType.data.application. + choice == eDataApplicationCapability_application_t120 && + olc->forwardLogicalChannelParameters.dataType.data.application. + t120.choice == eDataProtocolCapability_separateLANStack && + olc->separateStack.networkAddress.choice == + eNetworkAccessParameters_networkAddress_localAreaAddress) { + ret = expect_t120(pskb, ct, ctinfo, data, dataoff, + &olc->separateStack.networkAddress. + localAreaAddress); + if (ret < 0) + return -1; + } + + return 0; +} + +/****************************************************************************/ +static int process_olca(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + OpenLogicalChannelAck *olca) +{ + H2250LogicalChannelAckParameters *ack; + int ret; + + DEBUGP("nf_ct_h323: OpenLogicalChannelAck\n"); + + if ((olca->options & + eOpenLogicalChannelAck_reverseLogicalChannelParameters) && + (olca->reverseLogicalChannelParameters.options & + eOpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters) + && (olca->reverseLogicalChannelParameters.multiplexParameters. + choice == + eOpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters_h2250LogicalChannelParameters)) + { + ret = process_h245_channel(pskb, ct, ctinfo, data, dataoff, + &olca-> + reverseLogicalChannelParameters. + multiplexParameters. + h2250LogicalChannelParameters); + if (ret < 0) + return -1; + } + + if ((olca->options & + eOpenLogicalChannelAck_forwardMultiplexAckParameters) && + (olca->forwardMultiplexAckParameters.choice == + eOpenLogicalChannelAck_forwardMultiplexAckParameters_h2250LogicalChannelAckParameters)) + { + ack = &olca->forwardMultiplexAckParameters. + h2250LogicalChannelAckParameters; + if (ack->options & + eH2250LogicalChannelAckParameters_mediaChannel) { + /* RTP */ + ret = expect_rtp_rtcp(pskb, ct, ctinfo, data, dataoff, + &ack->mediaChannel); + if (ret < 0) + return -1; + } + + if (ack->options & + eH2250LogicalChannelAckParameters_mediaControlChannel) { + /* RTCP */ + ret = expect_rtp_rtcp(pskb, ct, ctinfo, data, dataoff, + &ack->mediaControlChannel); + if (ret < 0) + return -1; + } + } + + return 0; +} + +/****************************************************************************/ +static int process_h245(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + MultimediaSystemControlMessage *mscm) +{ + switch (mscm->choice) { + case eMultimediaSystemControlMessage_request: + if (mscm->request.choice == + eRequestMessage_openLogicalChannel) { + return process_olc(pskb, ct, ctinfo, data, dataoff, + &mscm->request.openLogicalChannel); + } + DEBUGP("nf_ct_h323: H.245 Request %d\n", + mscm->request.choice); + break; + case eMultimediaSystemControlMessage_response: + if (mscm->response.choice == + eResponseMessage_openLogicalChannelAck) { + return process_olca(pskb, ct, ctinfo, data, dataoff, + &mscm->response. + openLogicalChannelAck); + } + DEBUGP("nf_ct_h323: H.245 Response %d\n", + mscm->response.choice); + break; + default: + DEBUGP("nf_ct_h323: H.245 signal %d\n", mscm->choice); + break; + } + + return 0; +} + +/****************************************************************************/ +static int h245_help(struct sk_buff **pskb, unsigned int protoff, + struct nf_conn *ct, enum ip_conntrack_info ctinfo) +{ + static MultimediaSystemControlMessage mscm; + unsigned char *data = NULL; + int datalen; + int dataoff; + int ret; + + /* Until there's been traffic both ways, don't look in packets. */ + if (ctinfo != IP_CT_ESTABLISHED && + ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) { + return NF_ACCEPT; + } + DEBUGP("nf_ct_h245: skblen = %u\n", (*pskb)->len); + + spin_lock_bh(&nf_h323_lock); + + /* Process each TPKT */ + while (get_tpkt_data(pskb, protoff, ct, ctinfo, + &data, &datalen, &dataoff)) { + DEBUGP("nf_ct_h245: TPKT len=%d ", datalen); + NF_CT_DUMP_TUPLE(&ct->tuplehash[CTINFO2DIR(ctinfo)].tuple); + + /* Decode H.245 signal */ + ret = DecodeMultimediaSystemControlMessage(data, datalen, + &mscm); + if (ret < 0) { + if (net_ratelimit()) + printk("nf_ct_h245: decoding error: %s\n", + ret == H323_ERROR_BOUND ? + "out of bound" : "out of range"); + /* We don't drop when decoding error */ + break; + } + + /* Process H.245 signal */ + if (process_h245(pskb, ct, ctinfo, &data, dataoff, &mscm) < 0) + goto drop; + } + + spin_unlock_bh(&nf_h323_lock); + return NF_ACCEPT; + + drop: + spin_unlock_bh(&nf_h323_lock); + if (net_ratelimit()) + printk("nf_ct_h245: packet dropped\n"); + return NF_DROP; +} + +/****************************************************************************/ +static struct nf_conntrack_helper nf_conntrack_helper_h245 __read_mostly = { + .name = "H.245", + .me = THIS_MODULE, + .max_expected = H323_RTP_CHANNEL_MAX * 4 + 2 /* T.120 */, + .timeout = 240, + .tuple.dst.protonum = IPPROTO_UDP, + .mask.src.u.udp.port = __constant_htons(0xFFFF), + .mask.dst.protonum = 0xFF, + .help = h245_help +}; + +/****************************************************************************/ +int get_h225_addr(struct nf_conn *ct, unsigned char *data, + TransportAddress *taddr, + union nf_conntrack_address *addr, __be16 *port) +{ + unsigned char *p; + int family = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num; + int len; + + switch (taddr->choice) { + case eTransportAddress_ipAddress: + if (family != AF_INET) + return 0; + p = data + taddr->ipAddress.ip; + len = 4; + break; + case eTransportAddress_ip6Address: + if (family != AF_INET6) + return 0; + p = data + taddr->ip6Address.ip6; + len = 16; + break; + default: + return 0; + } + + memcpy(addr, p, len); + memset((void *)addr + len, 0, sizeof(*addr) - len); + memcpy(port, p + len, sizeof(__be16)); + + return 1; +} + +/****************************************************************************/ +static int expect_h245(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + TransportAddress *taddr) +{ + int dir = CTINFO2DIR(ctinfo); + int ret = 0; + __be16 port; + union nf_conntrack_address addr; + struct nf_conntrack_expect *exp; + typeof(nat_h245_hook) nat_h245; + + /* Read h245Address */ + if (!get_h225_addr(ct, *data, taddr, &addr, &port) || + memcmp(&addr, &ct->tuplehash[dir].tuple.src.u3, sizeof(addr)) || + port == 0) + return 0; + + /* Create expect for h245 connection */ + if ((exp = nf_conntrack_expect_alloc(ct)) == NULL) + return -1; + nf_conntrack_expect_init(exp, ct->tuplehash[!dir].tuple.src.l3num, + &ct->tuplehash[!dir].tuple.src.u3, + &ct->tuplehash[!dir].tuple.dst.u3, + IPPROTO_TCP, NULL, &port); + exp->helper = &nf_conntrack_helper_h245; + + if (memcmp(&ct->tuplehash[dir].tuple.src.u3, + &ct->tuplehash[!dir].tuple.dst.u3, + sizeof(ct->tuplehash[dir].tuple.src.u3)) && + (nat_h245 = rcu_dereference(nat_h245_hook)) && + ct->status & IPS_NAT_MASK) { + /* NAT needed */ + ret = nat_h245(pskb, ct, ctinfo, data, dataoff, taddr, + port, exp); + } else { /* Conntrack only */ + if (nf_conntrack_expect_related(exp) == 0) { + DEBUGP("nf_ct_q931: expect H.245 "); + NF_CT_DUMP_TUPLE(&exp->tuple); + } else + ret = -1; + } + + nf_conntrack_expect_put(exp); + + return ret; +} + +/* If the calling party is on the same side of the forward-to party, + * we don't need to track the second call */ +static int callforward_do_filter(union nf_conntrack_address *src, + union nf_conntrack_address *dst, + int family) +{ + struct flowi fl1, fl2; + int ret = 0; + + memset(&fl1, 0, sizeof(fl1)); + memset(&fl2, 0, sizeof(fl2)); + + switch (family) { + case AF_INET: { + struct rtable *rt1, *rt2; + + fl1.fl4_dst = src->ip; + fl2.fl4_dst = dst->ip; + if (ip_route_output_key(&rt1, &fl1) == 0) { + if (ip_route_output_key(&rt2, &fl2) == 0) { + if (rt1->rt_gateway == rt2->rt_gateway && + rt1->u.dst.dev == rt2->u.dst.dev) + ret = 1; + dst_release(&rt2->u.dst); + } + dst_release(&rt1->u.dst); + } + break; + } +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + case AF_INET6: { + struct rt6_info *rt1, *rt2; + + memcpy(&fl1.fl6_dst, src, sizeof(fl1.fl6_dst)); + memcpy(&fl2.fl6_dst, dst, sizeof(fl2.fl6_dst)); + rt1 = (struct rt6_info *)ip6_route_output(NULL, &fl1); + if (rt1) { + rt2 = (struct rt6_info *)ip6_route_output(NULL, &fl2); + if (rt2) { + if (!memcmp(&rt1->rt6i_gateway, &rt2->rt6i_gateway, + sizeof(rt1->rt6i_gateway)) && + rt1->u.dst.dev == rt2->u.dst.dev) + ret = 1; + dst_release(&rt2->u.dst); + } + dst_release(&rt1->u.dst); + } + break; + } +#endif + } + return ret; + +} + +/****************************************************************************/ +static int expect_callforwarding(struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + TransportAddress *taddr) +{ + int dir = CTINFO2DIR(ctinfo); + int ret = 0; + __be16 port; + union nf_conntrack_address addr; + struct nf_conntrack_expect *exp; + typeof(nat_callforwarding_hook) nat_callforwarding; + + /* Read alternativeAddress */ + if (!get_h225_addr(ct, *data, taddr, &addr, &port) || port == 0) + return 0; + + /* If the calling party is on the same side of the forward-to party, + * we don't need to track the second call */ + if (callforward_filter && + callforward_do_filter(&addr, &ct->tuplehash[!dir].tuple.src.u3, + ct->tuplehash[!dir].tuple.src.l3num)) { + DEBUGP("nf_ct_q931: Call Forwarding not tracked\n"); + return 0; + } + + /* Create expect for the second call leg */ + if ((exp = nf_conntrack_expect_alloc(ct)) == NULL) + return -1; + nf_conntrack_expect_init(exp, ct->tuplehash[!dir].tuple.src.l3num, + &ct->tuplehash[!dir].tuple.src.u3, &addr, + IPPROTO_TCP, NULL, &port); + exp->helper = nf_conntrack_helper_q931; + + if (memcmp(&ct->tuplehash[dir].tuple.src.u3, + &ct->tuplehash[!dir].tuple.dst.u3, + sizeof(ct->tuplehash[dir].tuple.src.u3)) && + (nat_callforwarding = rcu_dereference(nat_callforwarding_hook)) && + ct->status & IPS_NAT_MASK) { + /* Need NAT */ + ret = nat_callforwarding(pskb, ct, ctinfo, data, dataoff, + taddr, port, exp); + } else { /* Conntrack only */ + if (nf_conntrack_expect_related(exp) == 0) { + DEBUGP("nf_ct_q931: expect Call Forwarding "); + NF_CT_DUMP_TUPLE(&exp->tuple); + } else + ret = -1; + } + + nf_conntrack_expect_put(exp); + + return ret; +} + +/****************************************************************************/ +static int process_setup(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + Setup_UUIE *setup) +{ + int dir = CTINFO2DIR(ctinfo); + int ret; + int i; + __be16 port; + union nf_conntrack_address addr; + typeof(set_h225_addr_hook) set_h225_addr; + + DEBUGP("nf_ct_q931: Setup\n"); + + if (setup->options & eSetup_UUIE_h245Address) { + ret = expect_h245(pskb, ct, ctinfo, data, dataoff, + &setup->h245Address); + if (ret < 0) + return -1; + } + + set_h225_addr = rcu_dereference(set_h225_addr_hook); + if ((setup->options & eSetup_UUIE_destCallSignalAddress) && + (set_h225_addr) && ct->status && IPS_NAT_MASK && + get_h225_addr(ct, *data, &setup->destCallSignalAddress, + &addr, &port) && + memcmp(&addr, &ct->tuplehash[!dir].tuple.src.u3, sizeof(addr))) { + DEBUGP("nf_ct_q931: set destCallSignalAddress " + NIP6_FMT ":%hu->" NIP6_FMT ":%hu\n", + NIP6(*(struct in6_addr *)&addr), ntohs(port), + NIP6(*(struct in6_addr *)&ct->tuplehash[!dir].tuple.src.u3), + ntohs(ct->tuplehash[!dir].tuple.src.u.tcp.port)); + ret = set_h225_addr(pskb, data, dataoff, + &setup->destCallSignalAddress, + &ct->tuplehash[!dir].tuple.src.u3, + ct->tuplehash[!dir].tuple.src.u.tcp.port); + if (ret < 0) + return -1; + } + + if ((setup->options & eSetup_UUIE_sourceCallSignalAddress) && + (set_h225_addr) && ct->status & IPS_NAT_MASK && + get_h225_addr(ct, *data, &setup->sourceCallSignalAddress, + &addr, &port) && + memcmp(&addr, &ct->tuplehash[!dir].tuple.dst.u3, sizeof(addr))) { + DEBUGP("nf_ct_q931: set sourceCallSignalAddress " + NIP6_FMT ":%hu->" NIP6_FMT ":%hu\n", + NIP6(*(struct in6_addr *)&addr), ntohs(port), + NIP6(*(struct in6_addr *)&ct->tuplehash[!dir].tuple.dst.u3), + ntohs(ct->tuplehash[!dir].tuple.dst.u.tcp.port)); + ret = set_h225_addr(pskb, data, dataoff, + &setup->sourceCallSignalAddress, + &ct->tuplehash[!dir].tuple.dst.u3, + ct->tuplehash[!dir].tuple.dst.u.tcp.port); + if (ret < 0) + return -1; + } + + if (setup->options & eSetup_UUIE_fastStart) { + for (i = 0; i < setup->fastStart.count; i++) { + ret = process_olc(pskb, ct, ctinfo, data, dataoff, + &setup->fastStart.item[i]); + if (ret < 0) + return -1; + } + } + + return 0; +} + +/****************************************************************************/ +static int process_callproceeding(struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + CallProceeding_UUIE *callproc) +{ + int ret; + int i; + + DEBUGP("nf_ct_q931: CallProceeding\n"); + + if (callproc->options & eCallProceeding_UUIE_h245Address) { + ret = expect_h245(pskb, ct, ctinfo, data, dataoff, + &callproc->h245Address); + if (ret < 0) + return -1; + } + + if (callproc->options & eCallProceeding_UUIE_fastStart) { + for (i = 0; i < callproc->fastStart.count; i++) { + ret = process_olc(pskb, ct, ctinfo, data, dataoff, + &callproc->fastStart.item[i]); + if (ret < 0) + return -1; + } + } + + return 0; +} + +/****************************************************************************/ +static int process_connect(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + Connect_UUIE *connect) +{ + int ret; + int i; + + DEBUGP("nf_ct_q931: Connect\n"); + + if (connect->options & eConnect_UUIE_h245Address) { + ret = expect_h245(pskb, ct, ctinfo, data, dataoff, + &connect->h245Address); + if (ret < 0) + return -1; + } + + if (connect->options & eConnect_UUIE_fastStart) { + for (i = 0; i < connect->fastStart.count; i++) { + ret = process_olc(pskb, ct, ctinfo, data, dataoff, + &connect->fastStart.item[i]); + if (ret < 0) + return -1; + } + } + + return 0; +} + +/****************************************************************************/ +static int process_alerting(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + Alerting_UUIE *alert) +{ + int ret; + int i; + + DEBUGP("nf_ct_q931: Alerting\n"); + + if (alert->options & eAlerting_UUIE_h245Address) { + ret = expect_h245(pskb, ct, ctinfo, data, dataoff, + &alert->h245Address); + if (ret < 0) + return -1; + } + + if (alert->options & eAlerting_UUIE_fastStart) { + for (i = 0; i < alert->fastStart.count; i++) { + ret = process_olc(pskb, ct, ctinfo, data, dataoff, + &alert->fastStart.item[i]); + if (ret < 0) + return -1; + } + } + + return 0; +} + +/****************************************************************************/ +static int process_information(struct sk_buff **pskb, + struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + Information_UUIE *info) +{ + int ret; + int i; + + DEBUGP("nf_ct_q931: Information\n"); + + if (info->options & eInformation_UUIE_fastStart) { + for (i = 0; i < info->fastStart.count; i++) { + ret = process_olc(pskb, ct, ctinfo, data, dataoff, + &info->fastStart.item[i]); + if (ret < 0) + return -1; + } + } + + return 0; +} + +/****************************************************************************/ +static int process_facility(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + Facility_UUIE *facility) +{ + int ret; + int i; + + DEBUGP("nf_ct_q931: Facility\n"); + + if (facility->reason.choice == eFacilityReason_callForwarded) { + if (facility->options & eFacility_UUIE_alternativeAddress) + return expect_callforwarding(pskb, ct, ctinfo, data, + dataoff, + &facility-> + alternativeAddress); + return 0; + } + + if (facility->options & eFacility_UUIE_h245Address) { + ret = expect_h245(pskb, ct, ctinfo, data, dataoff, + &facility->h245Address); + if (ret < 0) + return -1; + } + + if (facility->options & eFacility_UUIE_fastStart) { + for (i = 0; i < facility->fastStart.count; i++) { + ret = process_olc(pskb, ct, ctinfo, data, dataoff, + &facility->fastStart.item[i]); + if (ret < 0) + return -1; + } + } + + return 0; +} + +/****************************************************************************/ +static int process_progress(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, + Progress_UUIE *progress) +{ + int ret; + int i; + + DEBUGP("nf_ct_q931: Progress\n"); + + if (progress->options & eProgress_UUIE_h245Address) { + ret = expect_h245(pskb, ct, ctinfo, data, dataoff, + &progress->h245Address); + if (ret < 0) + return -1; + } + + if (progress->options & eProgress_UUIE_fastStart) { + for (i = 0; i < progress->fastStart.count; i++) { + ret = process_olc(pskb, ct, ctinfo, data, dataoff, + &progress->fastStart.item[i]); + if (ret < 0) + return -1; + } + } + + return 0; +} + +/****************************************************************************/ +static int process_q931(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, int dataoff, Q931 *q931) +{ + H323_UU_PDU *pdu = &q931->UUIE.h323_uu_pdu; + int i; + int ret = 0; + + switch (pdu->h323_message_body.choice) { + case eH323_UU_PDU_h323_message_body_setup: + ret = process_setup(pskb, ct, ctinfo, data, dataoff, + &pdu->h323_message_body.setup); + break; + case eH323_UU_PDU_h323_message_body_callProceeding: + ret = process_callproceeding(pskb, ct, ctinfo, data, dataoff, + &pdu->h323_message_body. + callProceeding); + break; + case eH323_UU_PDU_h323_message_body_connect: + ret = process_connect(pskb, ct, ctinfo, data, dataoff, + &pdu->h323_message_body.connect); + break; + case eH323_UU_PDU_h323_message_body_alerting: + ret = process_alerting(pskb, ct, ctinfo, data, dataoff, + &pdu->h323_message_body.alerting); + break; + case eH323_UU_PDU_h323_message_body_information: + ret = process_information(pskb, ct, ctinfo, data, dataoff, + &pdu->h323_message_body. + information); + break; + case eH323_UU_PDU_h323_message_body_facility: + ret = process_facility(pskb, ct, ctinfo, data, dataoff, + &pdu->h323_message_body.facility); + break; + case eH323_UU_PDU_h323_message_body_progress: + ret = process_progress(pskb, ct, ctinfo, data, dataoff, + &pdu->h323_message_body.progress); + break; + default: + DEBUGP("nf_ct_q931: Q.931 signal %d\n", + pdu->h323_message_body.choice); + break; + } + + if (ret < 0) + return -1; + + if (pdu->options & eH323_UU_PDU_h245Control) { + for (i = 0; i < pdu->h245Control.count; i++) { + ret = process_h245(pskb, ct, ctinfo, data, dataoff, + &pdu->h245Control.item[i]); + if (ret < 0) + return -1; + } + } + + return 0; +} + +/****************************************************************************/ +static int q931_help(struct sk_buff **pskb, unsigned int protoff, + struct nf_conn *ct, enum ip_conntrack_info ctinfo) +{ + static Q931 q931; + unsigned char *data = NULL; + int datalen; + int dataoff; + int ret; + + /* Until there's been traffic both ways, don't look in packets. */ + if (ctinfo != IP_CT_ESTABLISHED && + ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) { + return NF_ACCEPT; + } + DEBUGP("nf_ct_q931: skblen = %u\n", (*pskb)->len); + + spin_lock_bh(&nf_h323_lock); + + /* Process each TPKT */ + while (get_tpkt_data(pskb, protoff, ct, ctinfo, + &data, &datalen, &dataoff)) { + DEBUGP("nf_ct_q931: TPKT len=%d ", datalen); + NF_CT_DUMP_TUPLE(&ct->tuplehash[CTINFO2DIR(ctinfo)].tuple); + + /* Decode Q.931 signal */ + ret = DecodeQ931(data, datalen, &q931); + if (ret < 0) { + if (net_ratelimit()) + printk("nf_ct_q931: decoding error: %s\n", + ret == H323_ERROR_BOUND ? + "out of bound" : "out of range"); + /* We don't drop when decoding error */ + break; + } + + /* Process Q.931 signal */ + if (process_q931(pskb, ct, ctinfo, &data, dataoff, &q931) < 0) + goto drop; + } + + spin_unlock_bh(&nf_h323_lock); + return NF_ACCEPT; + + drop: + spin_unlock_bh(&nf_h323_lock); + if (net_ratelimit()) + printk("nf_ct_q931: packet dropped\n"); + return NF_DROP; +} + +/****************************************************************************/ +static struct nf_conntrack_helper nf_conntrack_helper_q931[] __read_mostly = { + { + .name = "Q.931", + .me = THIS_MODULE, + /* T.120 and H.245 */ + .max_expected = H323_RTP_CHANNEL_MAX * 4 + 4, + .timeout = 240, + .tuple.src.l3num = AF_INET, + .tuple.src.u.tcp.port = __constant_htons(Q931_PORT), + .tuple.dst.protonum = IPPROTO_TCP, + .mask.src.l3num = 0xFFFF, + .mask.src.u.tcp.port = __constant_htons(0xFFFF), + .mask.dst.protonum = 0xFF, + .help = q931_help + }, + { + .name = "Q.931", + .me = THIS_MODULE, + /* T.120 and H.245 */ + .max_expected = H323_RTP_CHANNEL_MAX * 4 + 4, + .timeout = 240, + .tuple.src.l3num = AF_INET6, + .tuple.src.u.tcp.port = __constant_htons(Q931_PORT), + .tuple.dst.protonum = IPPROTO_TCP, + .mask.src.l3num = 0xFFFF, + .mask.src.u.tcp.port = __constant_htons(0xFFFF), + .mask.dst.protonum = 0xFF, + .help = q931_help + }, +}; + +/****************************************************************************/ +static unsigned char *get_udp_data(struct sk_buff **pskb, unsigned int protoff, + int *datalen) +{ + struct udphdr _uh, *uh; + int dataoff; + + uh = skb_header_pointer(*pskb, protoff, sizeof(_uh), &_uh); + if (uh == NULL) + return NULL; + dataoff = protoff + sizeof(_uh); + if (dataoff >= (*pskb)->len) + return NULL; + *datalen = (*pskb)->len - dataoff; + return skb_header_pointer(*pskb, dataoff, *datalen, h323_buffer); +} + +/****************************************************************************/ +static struct nf_conntrack_expect *find_expect(struct nf_conn *ct, + union nf_conntrack_address *addr, + __be16 port) +{ + struct nf_conntrack_expect *exp; + struct nf_conntrack_tuple tuple; + + memset(&tuple.src.u3, 0, sizeof(tuple.src.u3)); + tuple.src.u.tcp.port = 0; + memcpy(&tuple.dst.u3, addr, sizeof(tuple.dst.u3)); + tuple.dst.u.tcp.port = port; + tuple.dst.protonum = IPPROTO_TCP; + + exp = __nf_conntrack_expect_find(&tuple); + if (exp && exp->master == ct) + return exp; + return NULL; +} + +/****************************************************************************/ +static int set_expect_timeout(struct nf_conntrack_expect *exp, + unsigned timeout) +{ + if (!exp || !del_timer(&exp->timeout)) + return 0; + + exp->timeout.expires = jiffies + timeout * HZ; + add_timer(&exp->timeout); + + return 1; +} + +/****************************************************************************/ +static int expect_q931(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, + TransportAddress *taddr, int count) +{ + struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info; + int dir = CTINFO2DIR(ctinfo); + int ret = 0; + int i; + __be16 port; + union nf_conntrack_address addr; + struct nf_conntrack_expect *exp; + typeof(nat_q931_hook) nat_q931; + + /* Look for the first related address */ + for (i = 0; i < count; i++) { + if (get_h225_addr(ct, *data, &taddr[i], &addr, &port) && + memcmp(&addr, &ct->tuplehash[dir].tuple.src.u3, + sizeof(addr)) == 0 && port != 0) + break; + } + + if (i >= count) /* Not found */ + return 0; + + /* Create expect for Q.931 */ + if ((exp = nf_conntrack_expect_alloc(ct)) == NULL) + return -1; + nf_conntrack_expect_init(exp, ct->tuplehash[!dir].tuple.src.l3num, + gkrouted_only ? /* only accept calls from GK? */ + &ct->tuplehash[!dir].tuple.src.u3 : + NULL, + &ct->tuplehash[!dir].tuple.dst.u3, + IPPROTO_TCP, NULL, &port); + exp->helper = nf_conntrack_helper_q931; + exp->flags = NF_CT_EXPECT_PERMANENT; /* Accept multiple calls */ + + nat_q931 = rcu_dereference(nat_q931_hook); + if (nat_q931 && ct->status & IPS_NAT_MASK) { /* Need NAT */ + ret = nat_q931(pskb, ct, ctinfo, data, taddr, i, port, exp); + } else { /* Conntrack only */ + if (nf_conntrack_expect_related(exp) == 0) { + DEBUGP("nf_ct_ras: expect Q.931 "); + NF_CT_DUMP_TUPLE(&exp->tuple); + + /* Save port for looking up expect in processing RCF */ + info->sig_port[dir] = port; + } else + ret = -1; + } + + nf_conntrack_expect_put(exp); + + return ret; +} + +/****************************************************************************/ +static int process_grq(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, GatekeeperRequest *grq) +{ + typeof(set_ras_addr_hook) set_ras_addr; + + DEBUGP("nf_ct_ras: GRQ\n"); + + set_ras_addr = rcu_dereference(set_ras_addr_hook); + if (set_ras_addr && ct->status & IPS_NAT_MASK) /* NATed */ + return set_ras_addr(pskb, ct, ctinfo, data, + &grq->rasAddress, 1); + return 0; +} + +/****************************************************************************/ +static int process_gcf(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, GatekeeperConfirm *gcf) +{ + int dir = CTINFO2DIR(ctinfo); + int ret = 0; + __be16 port; + union nf_conntrack_address addr; + struct nf_conntrack_expect *exp; + + DEBUGP("nf_ct_ras: GCF\n"); + + if (!get_h225_addr(ct, *data, &gcf->rasAddress, &addr, &port)) + return 0; + + /* Registration port is the same as discovery port */ + if (!memcmp(&addr, &ct->tuplehash[dir].tuple.src.u3, sizeof(addr)) && + port == ct->tuplehash[dir].tuple.src.u.udp.port) + return 0; + + /* Avoid RAS expectation loops. A GCF is never expected. */ + if (test_bit(IPS_EXPECTED_BIT, &ct->status)) + return 0; + + /* Need new expect */ + if ((exp = nf_conntrack_expect_alloc(ct)) == NULL) + return -1; + nf_conntrack_expect_init(exp, ct->tuplehash[!dir].tuple.src.l3num, + &ct->tuplehash[!dir].tuple.src.u3, &addr, + IPPROTO_UDP, NULL, &port); + exp->helper = nf_conntrack_helper_ras; + + if (nf_conntrack_expect_related(exp) == 0) { + DEBUGP("nf_ct_ras: expect RAS "); + NF_CT_DUMP_TUPLE(&exp->tuple); + } else + ret = -1; + + nf_conntrack_expect_put(exp); + + return ret; +} + +/****************************************************************************/ +static int process_rrq(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, RegistrationRequest *rrq) +{ + struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info; + int ret; + typeof(set_ras_addr_hook) set_ras_addr; + + DEBUGP("nf_ct_ras: RRQ\n"); + + ret = expect_q931(pskb, ct, ctinfo, data, + rrq->callSignalAddress.item, + rrq->callSignalAddress.count); + if (ret < 0) + return -1; + + set_ras_addr = rcu_dereference(set_ras_addr_hook); + if (set_ras_addr && ct->status & IPS_NAT_MASK) { + ret = set_ras_addr(pskb, ct, ctinfo, data, + rrq->rasAddress.item, + rrq->rasAddress.count); + if (ret < 0) + return -1; + } + + if (rrq->options & eRegistrationRequest_timeToLive) { + DEBUGP("nf_ct_ras: RRQ TTL = %u seconds\n", rrq->timeToLive); + info->timeout = rrq->timeToLive; + } else + info->timeout = default_rrq_ttl; + + return 0; +} + +/****************************************************************************/ +static int process_rcf(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, RegistrationConfirm *rcf) +{ + struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info; + int dir = CTINFO2DIR(ctinfo); + int ret; + struct nf_conntrack_expect *exp; + typeof(set_sig_addr_hook) set_sig_addr; + + DEBUGP("nf_ct_ras: RCF\n"); + + set_sig_addr = rcu_dereference(set_sig_addr_hook); + if (set_sig_addr && ct->status & IPS_NAT_MASK) { + ret = set_sig_addr(pskb, ct, ctinfo, data, + rcf->callSignalAddress.item, + rcf->callSignalAddress.count); + if (ret < 0) + return -1; + } + + if (rcf->options & eRegistrationConfirm_timeToLive) { + DEBUGP("nf_ct_ras: RCF TTL = %u seconds\n", rcf->timeToLive); + info->timeout = rcf->timeToLive; + } + + if (info->timeout > 0) { + DEBUGP + ("nf_ct_ras: set RAS connection timeout to %u seconds\n", + info->timeout); + nf_ct_refresh(ct, *pskb, info->timeout * HZ); + + /* Set expect timeout */ + read_lock_bh(&nf_conntrack_lock); + exp = find_expect(ct, &ct->tuplehash[dir].tuple.dst.u3, + info->sig_port[!dir]); + if (exp) { + DEBUGP("nf_ct_ras: set Q.931 expect " + "timeout to %u seconds for", + info->timeout); + NF_CT_DUMP_TUPLE(&exp->tuple); + set_expect_timeout(exp, info->timeout); + } + read_unlock_bh(&nf_conntrack_lock); + } + + return 0; +} + +/****************************************************************************/ +static int process_urq(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, UnregistrationRequest *urq) +{ + struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info; + int dir = CTINFO2DIR(ctinfo); + int ret; + typeof(set_sig_addr_hook) set_sig_addr; + + DEBUGP("nf_ct_ras: URQ\n"); + + set_sig_addr = rcu_dereference(set_sig_addr_hook); + if (set_sig_addr && ct->status & IPS_NAT_MASK) { + ret = set_sig_addr(pskb, ct, ctinfo, data, + urq->callSignalAddress.item, + urq->callSignalAddress.count); + if (ret < 0) + return -1; + } + + /* Clear old expect */ + nf_ct_remove_expectations(ct); + info->sig_port[dir] = 0; + info->sig_port[!dir] = 0; + + /* Give it 30 seconds for UCF or URJ */ + nf_ct_refresh(ct, *pskb, 30 * HZ); + + return 0; +} + +/****************************************************************************/ +static int process_arq(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, AdmissionRequest *arq) +{ + struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info; + int dir = CTINFO2DIR(ctinfo); + __be16 port; + union nf_conntrack_address addr; + typeof(set_h225_addr_hook) set_h225_addr; + + DEBUGP("nf_ct_ras: ARQ\n"); + + set_h225_addr = rcu_dereference(set_h225_addr_hook); + if ((arq->options & eAdmissionRequest_destCallSignalAddress) && + get_h225_addr(ct, *data, &arq->destCallSignalAddress, + &addr, &port) && + !memcmp(&addr, &ct->tuplehash[dir].tuple.src.u3, sizeof(addr)) && + port == info->sig_port[dir] && + set_h225_addr && ct->status & IPS_NAT_MASK) { + /* Answering ARQ */ + return set_h225_addr(pskb, data, 0, + &arq->destCallSignalAddress, + &ct->tuplehash[!dir].tuple.dst.u3, + info->sig_port[!dir]); + } + + if ((arq->options & eAdmissionRequest_srcCallSignalAddress) && + get_h225_addr(ct, *data, &arq->srcCallSignalAddress, + &addr, &port) && + !memcmp(&addr, &ct->tuplehash[dir].tuple.src.u3, sizeof(addr)) && + set_h225_addr && ct->status & IPS_NAT_MASK) { + /* Calling ARQ */ + return set_h225_addr(pskb, data, 0, + &arq->srcCallSignalAddress, + &ct->tuplehash[!dir].tuple.dst.u3, + port); + } + + return 0; +} + +/****************************************************************************/ +static int process_acf(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, AdmissionConfirm *acf) +{ + int dir = CTINFO2DIR(ctinfo); + int ret = 0; + __be16 port; + union nf_conntrack_address addr; + struct nf_conntrack_expect *exp; + typeof(set_sig_addr_hook) set_sig_addr; + + DEBUGP("nf_ct_ras: ACF\n"); + + if (!get_h225_addr(ct, *data, &acf->destCallSignalAddress, + &addr, &port)) + return 0; + + if (!memcmp(&addr, &ct->tuplehash[dir].tuple.dst.u3, sizeof(addr))) { + /* Answering ACF */ + set_sig_addr = rcu_dereference(set_sig_addr_hook); + if (set_sig_addr && ct->status & IPS_NAT_MASK) + return set_sig_addr(pskb, ct, ctinfo, data, + &acf->destCallSignalAddress, 1); + return 0; + } + + /* Need new expect */ + if ((exp = nf_conntrack_expect_alloc(ct)) == NULL) + return -1; + nf_conntrack_expect_init(exp, ct->tuplehash[!dir].tuple.src.l3num, + &ct->tuplehash[!dir].tuple.src.u3, &addr, + IPPROTO_TCP, NULL, &port); + exp->flags = NF_CT_EXPECT_PERMANENT; + exp->helper = nf_conntrack_helper_q931; + + if (nf_conntrack_expect_related(exp) == 0) { + DEBUGP("nf_ct_ras: expect Q.931 "); + NF_CT_DUMP_TUPLE(&exp->tuple); + } else + ret = -1; + + nf_conntrack_expect_put(exp); + + return ret; +} + +/****************************************************************************/ +static int process_lrq(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, LocationRequest *lrq) +{ + typeof(set_ras_addr_hook) set_ras_addr; + + DEBUGP("nf_ct_ras: LRQ\n"); + + set_ras_addr = rcu_dereference(set_ras_addr_hook); + if (set_ras_addr && ct->status & IPS_NAT_MASK) + return set_ras_addr(pskb, ct, ctinfo, data, + &lrq->replyAddress, 1); + return 0; +} + +/****************************************************************************/ +static int process_lcf(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, LocationConfirm *lcf) +{ + int dir = CTINFO2DIR(ctinfo); + int ret = 0; + __be16 port; + union nf_conntrack_address addr; + struct nf_conntrack_expect *exp; + + DEBUGP("nf_ct_ras: LCF\n"); + + if (!get_h225_addr(ct, *data, &lcf->callSignalAddress, + &addr, &port)) + return 0; + + /* Need new expect for call signal */ + if ((exp = nf_conntrack_expect_alloc(ct)) == NULL) + return -1; + nf_conntrack_expect_init(exp, ct->tuplehash[!dir].tuple.src.l3num, + &ct->tuplehash[!dir].tuple.src.u3, &addr, + IPPROTO_TCP, NULL, &port); + exp->flags = NF_CT_EXPECT_PERMANENT; + exp->helper = nf_conntrack_helper_q931; + + if (nf_conntrack_expect_related(exp) == 0) { + DEBUGP("nf_ct_ras: expect Q.931 "); + NF_CT_DUMP_TUPLE(&exp->tuple); + } else + ret = -1; + + nf_conntrack_expect_put(exp); + + /* Ignore rasAddress */ + + return ret; +} + +/****************************************************************************/ +static int process_irr(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, InfoRequestResponse *irr) +{ + int ret; + typeof(set_ras_addr_hook) set_ras_addr; + typeof(set_sig_addr_hook) set_sig_addr; + + DEBUGP("nf_ct_ras: IRR\n"); + + set_ras_addr = rcu_dereference(set_ras_addr_hook); + if (set_ras_addr && ct->status & IPS_NAT_MASK) { + ret = set_ras_addr(pskb, ct, ctinfo, data, + &irr->rasAddress, 1); + if (ret < 0) + return -1; + } + + set_sig_addr = rcu_dereference(set_sig_addr_hook); + if (set_sig_addr && ct->status & IPS_NAT_MASK) { + ret = set_sig_addr(pskb, ct, ctinfo, data, + irr->callSignalAddress.item, + irr->callSignalAddress.count); + if (ret < 0) + return -1; + } + + return 0; +} + +/****************************************************************************/ +static int process_ras(struct sk_buff **pskb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned char **data, RasMessage *ras) +{ + switch (ras->choice) { + case eRasMessage_gatekeeperRequest: + return process_grq(pskb, ct, ctinfo, data, + &ras->gatekeeperRequest); + case eRasMessage_gatekeeperConfirm: + return process_gcf(pskb, ct, ctinfo, data, + &ras->gatekeeperConfirm); + case eRasMessage_registrationRequest: + return process_rrq(pskb, ct, ctinfo, data, + &ras->registrationRequest); + case eRasMessage_registrationConfirm: + return process_rcf(pskb, ct, ctinfo, data, + &ras->registrationConfirm); + case eRasMessage_unregistrationRequest: + return process_urq(pskb, ct, ctinfo, data, + &ras->unregistrationRequest); + case eRasMessage_admissionRequest: + return process_arq(pskb, ct, ctinfo, data, + &ras->admissionRequest); + case eRasMessage_admissionConfirm: + return process_acf(pskb, ct, ctinfo, data, + &ras->admissionConfirm); + case eRasMessage_locationRequest: + return process_lrq(pskb, ct, ctinfo, data, + &ras->locationRequest); + case eRasMessage_locationConfirm: + return process_lcf(pskb, ct, ctinfo, data, + &ras->locationConfirm); + case eRasMessage_infoRequestResponse: + return process_irr(pskb, ct, ctinfo, data, + &ras->infoRequestResponse); + default: + DEBUGP("nf_ct_ras: RAS message %d\n", ras->choice); + break; + } + + return 0; +} + +/****************************************************************************/ +static int ras_help(struct sk_buff **pskb, unsigned int protoff, + struct nf_conn *ct, enum ip_conntrack_info ctinfo) +{ + static RasMessage ras; + unsigned char *data; + int datalen = 0; + int ret; + + DEBUGP("nf_ct_ras: skblen = %u\n", (*pskb)->len); + + spin_lock_bh(&nf_h323_lock); + + /* Get UDP data */ + data = get_udp_data(pskb, protoff, &datalen); + if (data == NULL) + goto accept; + DEBUGP("nf_ct_ras: RAS message len=%d ", datalen); + NF_CT_DUMP_TUPLE(&ct->tuplehash[CTINFO2DIR(ctinfo)].tuple); + + /* Decode RAS message */ + ret = DecodeRasMessage(data, datalen, &ras); + if (ret < 0) { + if (net_ratelimit()) + printk("nf_ct_ras: decoding error: %s\n", + ret == H323_ERROR_BOUND ? + "out of bound" : "out of range"); + goto accept; + } + + /* Process RAS message */ + if (process_ras(pskb, ct, ctinfo, &data, &ras) < 0) + goto drop; + + accept: + spin_unlock_bh(&nf_h323_lock); + return NF_ACCEPT; + + drop: + spin_unlock_bh(&nf_h323_lock); + if (net_ratelimit()) + printk("nf_ct_ras: packet dropped\n"); + return NF_DROP; +} + +/****************************************************************************/ +static struct nf_conntrack_helper nf_conntrack_helper_ras[] __read_mostly = { + { + .name = "RAS", + .me = THIS_MODULE, + .max_expected = 32, + .timeout = 240, + .tuple.src.l3num = AF_INET, + .tuple.src.u.udp.port = __constant_htons(RAS_PORT), + .tuple.dst.protonum = IPPROTO_UDP, + .mask.src.l3num = 0xFFFF, + .mask.src.u.udp.port = __constant_htons(0xFFFF), + .mask.dst.protonum = 0xFF, + .help = ras_help, + }, + { + .name = "RAS", + .me = THIS_MODULE, + .max_expected = 32, + .timeout = 240, + .tuple.src.l3num = AF_INET6, + .tuple.src.u.udp.port = __constant_htons(RAS_PORT), + .tuple.dst.protonum = IPPROTO_UDP, + .mask.src.l3num = 0xFFFF, + .mask.src.u.udp.port = __constant_htons(0xFFFF), + .mask.dst.protonum = 0xFF, + .help = ras_help, + }, +}; + +/****************************************************************************/ +static void __exit nf_conntrack_h323_fini(void) +{ + nf_conntrack_helper_unregister(&nf_conntrack_helper_ras[1]); + nf_conntrack_helper_unregister(&nf_conntrack_helper_ras[0]); + nf_conntrack_helper_unregister(&nf_conntrack_helper_q931[1]); + nf_conntrack_helper_unregister(&nf_conntrack_helper_q931[0]); + kfree(h323_buffer); + DEBUGP("nf_ct_h323: fini\n"); +} + +/****************************************************************************/ +static int __init nf_conntrack_h323_init(void) +{ + int ret; + + h323_buffer = kmalloc(65536, GFP_KERNEL); + if (!h323_buffer) + return -ENOMEM; + ret = nf_conntrack_helper_register(&nf_conntrack_helper_q931[0]); + if (ret < 0) + goto err1; + ret = nf_conntrack_helper_register(&nf_conntrack_helper_q931[1]); + if (ret < 0) + goto err2; + ret = nf_conntrack_helper_register(&nf_conntrack_helper_ras[0]); + if (ret < 0) + goto err3; + ret = nf_conntrack_helper_register(&nf_conntrack_helper_ras[1]); + if (ret < 0) + goto err4; + DEBUGP("nf_ct_h323: init success\n"); + return 0; + +err4: + nf_conntrack_helper_unregister(&nf_conntrack_helper_ras[0]); +err3: + nf_conntrack_helper_unregister(&nf_conntrack_helper_q931[1]); +err2: + nf_conntrack_helper_unregister(&nf_conntrack_helper_q931[0]); +err1: + return ret; +} + +/****************************************************************************/ +module_init(nf_conntrack_h323_init); +module_exit(nf_conntrack_h323_fini); + +EXPORT_SYMBOL_GPL(get_h225_addr); +EXPORT_SYMBOL_GPL(set_h245_addr_hook); +EXPORT_SYMBOL_GPL(set_h225_addr_hook); +EXPORT_SYMBOL_GPL(set_sig_addr_hook); +EXPORT_SYMBOL_GPL(set_ras_addr_hook); +EXPORT_SYMBOL_GPL(nat_rtp_rtcp_hook); +EXPORT_SYMBOL_GPL(nat_t120_hook); +EXPORT_SYMBOL_GPL(nat_h245_hook); +EXPORT_SYMBOL_GPL(nat_callforwarding_hook); +EXPORT_SYMBOL_GPL(nat_q931_hook); + +MODULE_AUTHOR("Jing Min Zhao "); +MODULE_DESCRIPTION("H.323 connection tracking helper"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("ip_conntrack_h323"); diff --git a/net/netfilter/nf_conntrack_h323_types.c b/net/netfilter/nf_conntrack_h323_types.c new file mode 100644 index 0000000..4c6f8b3 --- /dev/null +++ b/net/netfilter/nf_conntrack_h323_types.c @@ -0,0 +1,1927 @@ +/* Generated by Jing Min Zhao's ASN.1 parser, Apr 20 2006 + * + * Copyright (c) 2006 Jing Min Zhao + * + * This source code is licensed under General Public License version 2. + */ + +static field_t _TransportAddress_ipAddress[] = { /* SEQUENCE */ + {FNAME("ip") OCTSTR, FIXD, 4, 0, DECODE, + offsetof(TransportAddress_ipAddress, ip), NULL}, + {FNAME("port") INT, WORD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _TransportAddress_ipSourceRoute_route[] = { /* SEQUENCE OF */ + {FNAME("item") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, +}; + +static field_t _TransportAddress_ipSourceRoute_routing[] = { /* CHOICE */ + {FNAME("strict") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("loose") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _TransportAddress_ipSourceRoute[] = { /* SEQUENCE */ + {FNAME("ip") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, + {FNAME("port") INT, WORD, 0, 0, SKIP, 0, NULL}, + {FNAME("route") SEQOF, SEMI, 0, 0, SKIP, 0, + _TransportAddress_ipSourceRoute_route}, + {FNAME("routing") CHOICE, 1, 2, 2, SKIP | EXT, 0, + _TransportAddress_ipSourceRoute_routing}, +}; + +static field_t _TransportAddress_ipxAddress[] = { /* SEQUENCE */ + {FNAME("node") OCTSTR, FIXD, 6, 0, SKIP, 0, NULL}, + {FNAME("netnum") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, + {FNAME("port") OCTSTR, FIXD, 2, 0, SKIP, 0, NULL}, +}; + +static field_t _TransportAddress_ip6Address[] = { /* SEQUENCE */ + {FNAME("ip") OCTSTR, FIXD, 16, 0, DECODE, + offsetof(TransportAddress_ip6Address, ip6), NULL}, + {FNAME("port") INT, WORD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _H221NonStandard[] = { /* SEQUENCE */ + {FNAME("t35CountryCode") INT, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("t35Extension") INT, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("manufacturerCode") INT, WORD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _NonStandardIdentifier[] = { /* CHOICE */ + {FNAME("object") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("h221NonStandard") SEQ, 0, 3, 3, SKIP | EXT, 0, + _H221NonStandard}, +}; + +static field_t _NonStandardParameter[] = { /* SEQUENCE */ + {FNAME("nonStandardIdentifier") CHOICE, 1, 2, 2, SKIP | EXT, 0, + _NonStandardIdentifier}, + {FNAME("data") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _TransportAddress[] = { /* CHOICE */ + {FNAME("ipAddress") SEQ, 0, 2, 2, DECODE, + offsetof(TransportAddress, ipAddress), _TransportAddress_ipAddress}, + {FNAME("ipSourceRoute") SEQ, 0, 4, 4, SKIP | EXT, 0, + _TransportAddress_ipSourceRoute}, + {FNAME("ipxAddress") SEQ, 0, 3, 3, SKIP, 0, + _TransportAddress_ipxAddress}, + {FNAME("ip6Address") SEQ, 0, 2, 2, DECODE | EXT, + offsetof(TransportAddress, ip6Address), _TransportAddress_ip6Address}, + {FNAME("netBios") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, + {FNAME("nsap") OCTSTR, 5, 1, 0, SKIP, 0, NULL}, + {FNAME("nonStandardAddress") SEQ, 0, 2, 2, SKIP, 0, + _NonStandardParameter}, +}; + +static field_t _AliasAddress[] = { /* CHOICE */ + {FNAME("dialedDigits") NUMDGT, 7, 1, 0, SKIP, 0, NULL}, + {FNAME("h323-ID") BMPSTR, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("url-ID") IA5STR, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("transportID") CHOICE, 3, 7, 7, SKIP | EXT, 0, NULL}, + {FNAME("email-ID") IA5STR, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("partyNumber") CHOICE, 3, 5, 5, SKIP | EXT, 0, NULL}, + {FNAME("mobileUIM") CHOICE, 1, 2, 2, SKIP | EXT, 0, NULL}, +}; + +static field_t _Setup_UUIE_sourceAddress[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, +}; + +static field_t _VendorIdentifier[] = { /* SEQUENCE */ + {FNAME("vendor") SEQ, 0, 3, 3, SKIP | EXT, 0, _H221NonStandard}, + {FNAME("productId") OCTSTR, BYTE, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("versionId") OCTSTR, BYTE, 1, 0, SKIP | OPT, 0, NULL}, +}; + +static field_t _GatekeeperInfo[] = { /* SEQUENCE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, +}; + +static field_t _H310Caps[] = { /* SEQUENCE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _H320Caps[] = { /* SEQUENCE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _H321Caps[] = { /* SEQUENCE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _H322Caps[] = { /* SEQUENCE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _H323Caps[] = { /* SEQUENCE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _H324Caps[] = { /* SEQUENCE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _VoiceCaps[] = { /* SEQUENCE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _T120OnlyCaps[] = { /* SEQUENCE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("dataRatesSupported") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _SupportedProtocols[] = { /* CHOICE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP, 0, + _NonStandardParameter}, + {FNAME("h310") SEQ, 1, 1, 3, SKIP | EXT, 0, _H310Caps}, + {FNAME("h320") SEQ, 1, 1, 3, SKIP | EXT, 0, _H320Caps}, + {FNAME("h321") SEQ, 1, 1, 3, SKIP | EXT, 0, _H321Caps}, + {FNAME("h322") SEQ, 1, 1, 3, SKIP | EXT, 0, _H322Caps}, + {FNAME("h323") SEQ, 1, 1, 3, SKIP | EXT, 0, _H323Caps}, + {FNAME("h324") SEQ, 1, 1, 3, SKIP | EXT, 0, _H324Caps}, + {FNAME("voice") SEQ, 1, 1, 3, SKIP | EXT, 0, _VoiceCaps}, + {FNAME("t120-only") SEQ, 1, 1, 3, SKIP | EXT, 0, _T120OnlyCaps}, + {FNAME("nonStandardProtocol") SEQ, 2, 3, 3, SKIP | EXT, 0, NULL}, + {FNAME("t38FaxAnnexbOnly") SEQ, 2, 5, 5, SKIP | EXT, 0, NULL}, +}; + +static field_t _GatewayInfo_protocol[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 4, 9, 11, SKIP | EXT, 0, _SupportedProtocols}, +}; + +static field_t _GatewayInfo[] = { /* SEQUENCE */ + {FNAME("protocol") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _GatewayInfo_protocol}, + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, +}; + +static field_t _McuInfo[] = { /* SEQUENCE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("protocol") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, +}; + +static field_t _TerminalInfo[] = { /* SEQUENCE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, +}; + +static field_t _EndpointType[] = { /* SEQUENCE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("vendor") SEQ, 2, 3, 3, SKIP | EXT | OPT, 0, + _VendorIdentifier}, + {FNAME("gatekeeper") SEQ, 1, 1, 1, SKIP | EXT | OPT, 0, + _GatekeeperInfo}, + {FNAME("gateway") SEQ, 2, 2, 2, SKIP | EXT | OPT, 0, _GatewayInfo}, + {FNAME("mcu") SEQ, 1, 1, 2, SKIP | EXT | OPT, 0, _McuInfo}, + {FNAME("terminal") SEQ, 1, 1, 1, SKIP | EXT | OPT, 0, _TerminalInfo}, + {FNAME("mc") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("undefinedNode") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("set") BITSTR, FIXD, 32, 0, SKIP | OPT, 0, NULL}, + {FNAME("supportedTunnelledProtocols") SEQOF, SEMI, 0, 0, SKIP | OPT, + 0, NULL}, +}; + +static field_t _Setup_UUIE_destinationAddress[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, +}; + +static field_t _Setup_UUIE_destExtraCallInfo[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, +}; + +static field_t _Setup_UUIE_destExtraCRV[] = { /* SEQUENCE OF */ + {FNAME("item") INT, WORD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _Setup_UUIE_conferenceGoal[] = { /* CHOICE */ + {FNAME("create") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("join") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("invite") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("capability-negotiation") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("callIndependentSupplementaryService") NUL, FIXD, 0, 0, SKIP, + 0, NULL}, +}; + +static field_t _Q954Details[] = { /* SEQUENCE */ + {FNAME("conferenceCalling") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("threePartyService") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _QseriesOptions[] = { /* SEQUENCE */ + {FNAME("q932Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("q951Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("q952Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("q953Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("q955Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("q956Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("q957Full") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("q954Info") SEQ, 0, 2, 2, SKIP | EXT, 0, _Q954Details}, +}; + +static field_t _CallType[] = { /* CHOICE */ + {FNAME("pointToPoint") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("oneToN") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("nToOne") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("nToN") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _H245_NonStandardIdentifier_h221NonStandard[] = { /* SEQUENCE */ + {FNAME("t35CountryCode") INT, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("t35Extension") INT, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("manufacturerCode") INT, WORD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _H245_NonStandardIdentifier[] = { /* CHOICE */ + {FNAME("object") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("h221NonStandard") SEQ, 0, 3, 3, SKIP, 0, + _H245_NonStandardIdentifier_h221NonStandard}, +}; + +static field_t _H245_NonStandardParameter[] = { /* SEQUENCE */ + {FNAME("nonStandardIdentifier") CHOICE, 1, 2, 2, SKIP, 0, + _H245_NonStandardIdentifier}, + {FNAME("data") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _H261VideoCapability[] = { /* SEQUENCE */ + {FNAME("qcifMPI") INT, 2, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("cifMPI") INT, 2, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("temporalSpatialTradeOffCapability") BOOL, FIXD, 0, 0, SKIP, 0, + NULL}, + {FNAME("maxBitRate") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("stillImageTransmission") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("videoBadMBsCap") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _H262VideoCapability[] = { /* SEQUENCE */ + {FNAME("profileAndLevel-SPatML") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("profileAndLevel-MPatLL") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("profileAndLevel-MPatML") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("profileAndLevel-MPatH-14") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("profileAndLevel-MPatHL") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("profileAndLevel-SNRatLL") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("profileAndLevel-SNRatML") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("profileAndLevel-SpatialatH-14") BOOL, FIXD, 0, 0, SKIP, 0, + NULL}, + {FNAME("profileAndLevel-HPatML") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("profileAndLevel-HPatH-14") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("profileAndLevel-HPatHL") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("videoBitRate") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("vbvBufferSize") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("samplesPerLine") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("linesPerFrame") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("framesPerSecond") INT, 4, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("luminanceSampleRate") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("videoBadMBsCap") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _H263VideoCapability[] = { /* SEQUENCE */ + {FNAME("sqcifMPI") INT, 5, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("qcifMPI") INT, 5, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("cifMPI") INT, 5, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("cif4MPI") INT, 5, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("cif16MPI") INT, 5, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("maxBitRate") INT, CONS, 1, 0, SKIP, 0, NULL}, + {FNAME("unrestrictedVector") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("arithmeticCoding") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("advancedPrediction") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("pbFrames") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("temporalSpatialTradeOffCapability") BOOL, FIXD, 0, 0, SKIP, 0, + NULL}, + {FNAME("hrd-B") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("bppMaxKb") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("slowSqcifMPI") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("slowQcifMPI") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("slowCifMPI") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("slowCif4MPI") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("slowCif16MPI") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("errorCompensation") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("enhancementLayerInfo") SEQ, 3, 4, 4, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("h263Options") SEQ, 5, 29, 31, SKIP | EXT | OPT, 0, NULL}, +}; + +static field_t _IS11172VideoCapability[] = { /* SEQUENCE */ + {FNAME("constrainedBitstream") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("videoBitRate") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("vbvBufferSize") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("samplesPerLine") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("linesPerFrame") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("pictureRate") INT, 4, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("luminanceSampleRate") INT, CONS, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("videoBadMBsCap") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _VideoCapability[] = { /* CHOICE */ + {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, + _H245_NonStandardParameter}, + {FNAME("h261VideoCapability") SEQ, 2, 5, 6, SKIP | EXT, 0, + _H261VideoCapability}, + {FNAME("h262VideoCapability") SEQ, 6, 17, 18, SKIP | EXT, 0, + _H262VideoCapability}, + {FNAME("h263VideoCapability") SEQ, 7, 13, 21, SKIP | EXT, 0, + _H263VideoCapability}, + {FNAME("is11172VideoCapability") SEQ, 6, 7, 8, SKIP | EXT, 0, + _IS11172VideoCapability}, + {FNAME("genericVideoCapability") SEQ, 5, 6, 6, SKIP | EXT, 0, NULL}, +}; + +static field_t _AudioCapability_g7231[] = { /* SEQUENCE */ + {FNAME("maxAl-sduAudioFrames") INT, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("silenceSuppression") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _IS11172AudioCapability[] = { /* SEQUENCE */ + {FNAME("audioLayer1") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("audioLayer2") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("audioLayer3") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("audioSampling32k") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("audioSampling44k1") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("audioSampling48k") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("singleChannel") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("twoChannels") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("bitRate") INT, WORD, 1, 0, SKIP, 0, NULL}, +}; + +static field_t _IS13818AudioCapability[] = { /* SEQUENCE */ + {FNAME("audioLayer1") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("audioLayer2") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("audioLayer3") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("audioSampling16k") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("audioSampling22k05") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("audioSampling24k") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("audioSampling32k") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("audioSampling44k1") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("audioSampling48k") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("singleChannel") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("twoChannels") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("threeChannels2-1") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("threeChannels3-0") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("fourChannels2-0-2-0") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("fourChannels2-2") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("fourChannels3-1") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("fiveChannels3-0-2-0") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("fiveChannels3-2") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("lowFrequencyEnhancement") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("multilingual") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("bitRate") INT, WORD, 1, 0, SKIP, 0, NULL}, +}; + +static field_t _AudioCapability[] = { /* CHOICE */ + {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, + _H245_NonStandardParameter}, + {FNAME("g711Alaw64k") INT, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("g711Alaw56k") INT, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("g711Ulaw64k") INT, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("g711Ulaw56k") INT, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("g722-64k") INT, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("g722-56k") INT, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("g722-48k") INT, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("g7231") SEQ, 0, 2, 2, SKIP, 0, _AudioCapability_g7231}, + {FNAME("g728") INT, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("g729") INT, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("g729AnnexA") INT, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("is11172AudioCapability") SEQ, 0, 9, 9, SKIP | EXT, 0, + _IS11172AudioCapability}, + {FNAME("is13818AudioCapability") SEQ, 0, 21, 21, SKIP | EXT, 0, + _IS13818AudioCapability}, + {FNAME("g729wAnnexB") INT, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("g729AnnexAwAnnexB") INT, BYTE, 1, 0, SKIP, 0, NULL}, + {FNAME("g7231AnnexCCapability") SEQ, 1, 3, 3, SKIP | EXT, 0, NULL}, + {FNAME("gsmFullRate") SEQ, 0, 3, 3, SKIP | EXT, 0, NULL}, + {FNAME("gsmHalfRate") SEQ, 0, 3, 3, SKIP | EXT, 0, NULL}, + {FNAME("gsmEnhancedFullRate") SEQ, 0, 3, 3, SKIP | EXT, 0, NULL}, + {FNAME("genericAudioCapability") SEQ, 5, 6, 6, SKIP | EXT, 0, NULL}, + {FNAME("g729Extensions") SEQ, 1, 8, 8, SKIP | EXT, 0, NULL}, +}; + +static field_t _DataProtocolCapability[] = { /* CHOICE */ + {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, + _H245_NonStandardParameter}, + {FNAME("v14buffered") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("v42lapm") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("hdlcFrameTunnelling") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("h310SeparateVCStack") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("h310SingleVCStack") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("transparent") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("segmentationAndReassembly") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("hdlcFrameTunnelingwSAR") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("v120") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("separateLANStack") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("v76wCompression") CHOICE, 2, 3, 3, SKIP | EXT, 0, NULL}, + {FNAME("tcp") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("udp") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _T84Profile_t84Restricted[] = { /* SEQUENCE */ + {FNAME("qcif") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("cif") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("ccir601Seq") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("ccir601Prog") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("hdtvSeq") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("hdtvProg") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("g3FacsMH200x100") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("g3FacsMH200x200") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("g4FacsMMR200x100") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("g4FacsMMR200x200") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("jbig200x200Seq") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("jbig200x200Prog") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("jbig300x300Seq") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("jbig300x300Prog") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("digPhotoLow") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("digPhotoMedSeq") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("digPhotoMedProg") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("digPhotoHighSeq") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("digPhotoHighProg") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _T84Profile[] = { /* CHOICE */ + {FNAME("t84Unrestricted") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("t84Restricted") SEQ, 0, 19, 19, SKIP | EXT, 0, + _T84Profile_t84Restricted}, +}; + +static field_t _DataApplicationCapability_application_t84[] = { /* SEQUENCE */ + {FNAME("t84Protocol") CHOICE, 3, 7, 14, SKIP | EXT, 0, + _DataProtocolCapability}, + {FNAME("t84Profile") CHOICE, 1, 2, 2, SKIP, 0, _T84Profile}, +}; + +static field_t _DataApplicationCapability_application_nlpid[] = { /* SEQUENCE */ + {FNAME("nlpidProtocol") CHOICE, 3, 7, 14, SKIP | EXT, 0, + _DataProtocolCapability}, + {FNAME("nlpidData") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _DataApplicationCapability_application[] = { /* CHOICE */ + {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, + _H245_NonStandardParameter}, + {FNAME("t120") CHOICE, 3, 7, 14, DECODE | EXT, + offsetof(DataApplicationCapability_application, t120), + _DataProtocolCapability}, + {FNAME("dsm-cc") CHOICE, 3, 7, 14, SKIP | EXT, 0, + _DataProtocolCapability}, + {FNAME("userData") CHOICE, 3, 7, 14, SKIP | EXT, 0, + _DataProtocolCapability}, + {FNAME("t84") SEQ, 0, 2, 2, SKIP, 0, + _DataApplicationCapability_application_t84}, + {FNAME("t434") CHOICE, 3, 7, 14, SKIP | EXT, 0, + _DataProtocolCapability}, + {FNAME("h224") CHOICE, 3, 7, 14, SKIP | EXT, 0, + _DataProtocolCapability}, + {FNAME("nlpid") SEQ, 0, 2, 2, SKIP, 0, + _DataApplicationCapability_application_nlpid}, + {FNAME("dsvdControl") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("h222DataPartitioning") CHOICE, 3, 7, 14, SKIP | EXT, 0, + _DataProtocolCapability}, + {FNAME("t30fax") CHOICE, 3, 7, 14, SKIP | EXT, 0, NULL}, + {FNAME("t140") CHOICE, 3, 7, 14, SKIP | EXT, 0, NULL}, + {FNAME("t38fax") SEQ, 0, 2, 2, SKIP, 0, NULL}, + {FNAME("genericDataCapability") SEQ, 5, 6, 6, SKIP | EXT, 0, NULL}, +}; + +static field_t _DataApplicationCapability[] = { /* SEQUENCE */ + {FNAME("application") CHOICE, 4, 10, 14, DECODE | EXT, + offsetof(DataApplicationCapability, application), + _DataApplicationCapability_application}, + {FNAME("maxBitRate") INT, CONS, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _EncryptionMode[] = { /* CHOICE */ + {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, + _H245_NonStandardParameter}, + {FNAME("h233Encryption") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _DataType[] = { /* CHOICE */ + {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, + _H245_NonStandardParameter}, + {FNAME("nullData") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("videoData") CHOICE, 3, 5, 6, SKIP | EXT, 0, _VideoCapability}, + {FNAME("audioData") CHOICE, 4, 14, 22, SKIP | EXT, 0, + _AudioCapability}, + {FNAME("data") SEQ, 0, 2, 2, DECODE | EXT, offsetof(DataType, data), + _DataApplicationCapability}, + {FNAME("encryptionData") CHOICE, 1, 2, 2, SKIP | EXT, 0, + _EncryptionMode}, + {FNAME("h235Control") SEQ, 0, 2, 2, SKIP, 0, NULL}, + {FNAME("h235Media") SEQ, 0, 2, 2, SKIP | EXT, 0, NULL}, + {FNAME("multiplexedStream") SEQ, 0, 2, 2, SKIP | EXT, 0, NULL}, +}; + +static field_t _H222LogicalChannelParameters[] = { /* SEQUENCE */ + {FNAME("resourceID") INT, WORD, 0, 0, SKIP, 0, NULL}, + {FNAME("subChannelID") INT, WORD, 0, 0, SKIP, 0, NULL}, + {FNAME("pcr-pid") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("programDescriptors") OCTSTR, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("streamDescriptors") OCTSTR, SEMI, 0, 0, SKIP | OPT, 0, NULL}, +}; + +static field_t _H223LogicalChannelParameters_adaptationLayerType_al3[] = { /* SEQUENCE */ + {FNAME("controlFieldOctets") INT, 2, 0, 0, SKIP, 0, NULL}, + {FNAME("sendBufferSize") INT, CONS, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _H223LogicalChannelParameters_adaptationLayerType[] = { /* CHOICE */ + {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, + _H245_NonStandardParameter}, + {FNAME("al1Framed") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("al1NotFramed") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("al2WithoutSequenceNumbers") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("al2WithSequenceNumbers") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("al3") SEQ, 0, 2, 2, SKIP, 0, + _H223LogicalChannelParameters_adaptationLayerType_al3}, + {FNAME("al1M") SEQ, 0, 7, 8, SKIP | EXT, 0, NULL}, + {FNAME("al2M") SEQ, 0, 2, 2, SKIP | EXT, 0, NULL}, + {FNAME("al3M") SEQ, 0, 5, 6, SKIP | EXT, 0, NULL}, +}; + +static field_t _H223LogicalChannelParameters[] = { /* SEQUENCE */ + {FNAME("adaptationLayerType") CHOICE, 3, 6, 9, SKIP | EXT, 0, + _H223LogicalChannelParameters_adaptationLayerType}, + {FNAME("segmentableFlag") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _CRCLength[] = { /* CHOICE */ + {FNAME("crc8bit") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("crc16bit") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("crc32bit") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _V76HDLCParameters[] = { /* SEQUENCE */ + {FNAME("crcLength") CHOICE, 2, 3, 3, SKIP | EXT, 0, _CRCLength}, + {FNAME("n401") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("loopbackTestProcedure") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _V76LogicalChannelParameters_suspendResume[] = { /* CHOICE */ + {FNAME("noSuspendResume") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("suspendResumewAddress") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("suspendResumewoAddress") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _V76LogicalChannelParameters_mode_eRM_recovery[] = { /* CHOICE */ + {FNAME("rej") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("sREJ") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("mSREJ") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _V76LogicalChannelParameters_mode_eRM[] = { /* SEQUENCE */ + {FNAME("windowSize") INT, 7, 1, 0, SKIP, 0, NULL}, + {FNAME("recovery") CHOICE, 2, 3, 3, SKIP | EXT, 0, + _V76LogicalChannelParameters_mode_eRM_recovery}, +}; + +static field_t _V76LogicalChannelParameters_mode[] = { /* CHOICE */ + {FNAME("eRM") SEQ, 0, 2, 2, SKIP | EXT, 0, + _V76LogicalChannelParameters_mode_eRM}, + {FNAME("uNERM") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _V75Parameters[] = { /* SEQUENCE */ + {FNAME("audioHeaderPresent") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _V76LogicalChannelParameters[] = { /* SEQUENCE */ + {FNAME("hdlcParameters") SEQ, 0, 3, 3, SKIP | EXT, 0, + _V76HDLCParameters}, + {FNAME("suspendResume") CHOICE, 2, 3, 3, SKIP | EXT, 0, + _V76LogicalChannelParameters_suspendResume}, + {FNAME("uIH") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("mode") CHOICE, 1, 2, 2, SKIP | EXT, 0, + _V76LogicalChannelParameters_mode}, + {FNAME("v75Parameters") SEQ, 0, 1, 1, SKIP | EXT, 0, _V75Parameters}, +}; + +static field_t _H2250LogicalChannelParameters_nonStandard[] = { /* SEQUENCE OF */ + {FNAME("item") SEQ, 0, 2, 2, SKIP, 0, _H245_NonStandardParameter}, +}; + +static field_t _UnicastAddress_iPAddress[] = { /* SEQUENCE */ + {FNAME("network") OCTSTR, FIXD, 4, 0, DECODE, + offsetof(UnicastAddress_iPAddress, network), NULL}, + {FNAME("tsapIdentifier") INT, WORD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _UnicastAddress_iPXAddress[] = { /* SEQUENCE */ + {FNAME("node") OCTSTR, FIXD, 6, 0, SKIP, 0, NULL}, + {FNAME("netnum") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, + {FNAME("tsapIdentifier") OCTSTR, FIXD, 2, 0, SKIP, 0, NULL}, +}; + +static field_t _UnicastAddress_iP6Address[] = { /* SEQUENCE */ + {FNAME("network") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, + {FNAME("tsapIdentifier") INT, WORD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _UnicastAddress_iPSourceRouteAddress_routing[] = { /* CHOICE */ + {FNAME("strict") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("loose") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _UnicastAddress_iPSourceRouteAddress_route[] = { /* SEQUENCE OF */ + {FNAME("item") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, +}; + +static field_t _UnicastAddress_iPSourceRouteAddress[] = { /* SEQUENCE */ + {FNAME("routing") CHOICE, 1, 2, 2, SKIP, 0, + _UnicastAddress_iPSourceRouteAddress_routing}, + {FNAME("network") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, + {FNAME("tsapIdentifier") INT, WORD, 0, 0, SKIP, 0, NULL}, + {FNAME("route") SEQOF, SEMI, 0, 0, SKIP, 0, + _UnicastAddress_iPSourceRouteAddress_route}, +}; + +static field_t _UnicastAddress[] = { /* CHOICE */ + {FNAME("iPAddress") SEQ, 0, 2, 2, DECODE | EXT, + offsetof(UnicastAddress, iPAddress), _UnicastAddress_iPAddress}, + {FNAME("iPXAddress") SEQ, 0, 3, 3, SKIP | EXT, 0, + _UnicastAddress_iPXAddress}, + {FNAME("iP6Address") SEQ, 0, 2, 2, SKIP | EXT, 0, + _UnicastAddress_iP6Address}, + {FNAME("netBios") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, + {FNAME("iPSourceRouteAddress") SEQ, 0, 4, 4, SKIP | EXT, 0, + _UnicastAddress_iPSourceRouteAddress}, + {FNAME("nsap") OCTSTR, 5, 1, 0, SKIP, 0, NULL}, + {FNAME("nonStandardAddress") SEQ, 0, 2, 2, SKIP, 0, NULL}, +}; + +static field_t _MulticastAddress_iPAddress[] = { /* SEQUENCE */ + {FNAME("network") OCTSTR, FIXD, 4, 0, SKIP, 0, NULL}, + {FNAME("tsapIdentifier") INT, WORD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _MulticastAddress_iP6Address[] = { /* SEQUENCE */ + {FNAME("network") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, + {FNAME("tsapIdentifier") INT, WORD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _MulticastAddress[] = { /* CHOICE */ + {FNAME("iPAddress") SEQ, 0, 2, 2, SKIP | EXT, 0, + _MulticastAddress_iPAddress}, + {FNAME("iP6Address") SEQ, 0, 2, 2, SKIP | EXT, 0, + _MulticastAddress_iP6Address}, + {FNAME("nsap") OCTSTR, 5, 1, 0, SKIP, 0, NULL}, + {FNAME("nonStandardAddress") SEQ, 0, 2, 2, SKIP, 0, NULL}, +}; + +static field_t _H245_TransportAddress[] = { /* CHOICE */ + {FNAME("unicastAddress") CHOICE, 3, 5, 7, DECODE | EXT, + offsetof(H245_TransportAddress, unicastAddress), _UnicastAddress}, + {FNAME("multicastAddress") CHOICE, 1, 2, 4, SKIP | EXT, 0, + _MulticastAddress}, +}; + +static field_t _H2250LogicalChannelParameters[] = { /* SEQUENCE */ + {FNAME("nonStandard") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _H2250LogicalChannelParameters_nonStandard}, + {FNAME("sessionID") INT, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("associatedSessionID") INT, 8, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("mediaChannel") CHOICE, 1, 2, 2, DECODE | EXT | OPT, + offsetof(H2250LogicalChannelParameters, mediaChannel), + _H245_TransportAddress}, + {FNAME("mediaGuaranteedDelivery") BOOL, FIXD, 0, 0, SKIP | OPT, 0, + NULL}, + {FNAME("mediaControlChannel") CHOICE, 1, 2, 2, DECODE | EXT | OPT, + offsetof(H2250LogicalChannelParameters, mediaControlChannel), + _H245_TransportAddress}, + {FNAME("mediaControlGuaranteedDelivery") BOOL, FIXD, 0, 0, STOP | OPT, + 0, NULL}, + {FNAME("silenceSuppression") BOOL, FIXD, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("destination") SEQ, 0, 2, 2, STOP | EXT | OPT, 0, NULL}, + {FNAME("dynamicRTPPayloadType") INT, 5, 96, 0, STOP | OPT, 0, NULL}, + {FNAME("mediaPacketization") CHOICE, 0, 1, 2, STOP | EXT | OPT, 0, + NULL}, + {FNAME("transportCapability") SEQ, 3, 3, 3, STOP | EXT | OPT, 0, + NULL}, + {FNAME("redundancyEncoding") SEQ, 1, 2, 2, STOP | EXT | OPT, 0, NULL}, + {FNAME("source") SEQ, 0, 2, 2, SKIP | EXT | OPT, 0, NULL}, +}; + +static field_t _OpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters[] = { /* CHOICE */ + {FNAME("h222LogicalChannelParameters") SEQ, 3, 5, 5, SKIP | EXT, 0, + _H222LogicalChannelParameters}, + {FNAME("h223LogicalChannelParameters") SEQ, 0, 2, 2, SKIP | EXT, 0, + _H223LogicalChannelParameters}, + {FNAME("v76LogicalChannelParameters") SEQ, 0, 5, 5, SKIP | EXT, 0, + _V76LogicalChannelParameters}, + {FNAME("h2250LogicalChannelParameters") SEQ, 10, 11, 14, DECODE | EXT, + offsetof + (OpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters, + h2250LogicalChannelParameters), _H2250LogicalChannelParameters}, + {FNAME("none") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _OpenLogicalChannel_forwardLogicalChannelParameters[] = { /* SEQUENCE */ + {FNAME("portNumber") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("dataType") CHOICE, 3, 6, 9, DECODE | EXT, + offsetof(OpenLogicalChannel_forwardLogicalChannelParameters, + dataType), _DataType}, + {FNAME("multiplexParameters") CHOICE, 2, 3, 5, DECODE | EXT, + offsetof(OpenLogicalChannel_forwardLogicalChannelParameters, + multiplexParameters), + _OpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters}, + {FNAME("forwardLogicalChannelDependency") INT, WORD, 1, 0, SKIP | OPT, + 0, NULL}, + {FNAME("replacementFor") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, +}; + +static field_t _OpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters[] = { /* CHOICE */ + {FNAME("h223LogicalChannelParameters") SEQ, 0, 2, 2, SKIP | EXT, 0, + _H223LogicalChannelParameters}, + {FNAME("v76LogicalChannelParameters") SEQ, 0, 5, 5, SKIP | EXT, 0, + _V76LogicalChannelParameters}, + {FNAME("h2250LogicalChannelParameters") SEQ, 10, 11, 14, DECODE | EXT, + offsetof + (OpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters, + h2250LogicalChannelParameters), _H2250LogicalChannelParameters}, +}; + +static field_t _OpenLogicalChannel_reverseLogicalChannelParameters[] = { /* SEQUENCE */ + {FNAME("dataType") CHOICE, 3, 6, 9, SKIP | EXT, 0, _DataType}, + {FNAME("multiplexParameters") CHOICE, 1, 2, 3, DECODE | EXT | OPT, + offsetof(OpenLogicalChannel_reverseLogicalChannelParameters, + multiplexParameters), + _OpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters}, + {FNAME("reverseLogicalChannelDependency") INT, WORD, 1, 0, SKIP | OPT, + 0, NULL}, + {FNAME("replacementFor") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, +}; + +static field_t _NetworkAccessParameters_distribution[] = { /* CHOICE */ + {FNAME("unicast") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("multicast") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _Q2931Address_address[] = { /* CHOICE */ + {FNAME("internationalNumber") NUMSTR, 4, 1, 0, SKIP, 0, NULL}, + {FNAME("nsapAddress") OCTSTR, 5, 1, 0, SKIP, 0, NULL}, +}; + +static field_t _Q2931Address[] = { /* SEQUENCE */ + {FNAME("address") CHOICE, 1, 2, 2, SKIP | EXT, 0, + _Q2931Address_address}, + {FNAME("subaddress") OCTSTR, 5, 1, 0, SKIP | OPT, 0, NULL}, +}; + +static field_t _NetworkAccessParameters_networkAddress[] = { /* CHOICE */ + {FNAME("q2931Address") SEQ, 1, 2, 2, SKIP | EXT, 0, _Q2931Address}, + {FNAME("e164Address") NUMDGT, 7, 1, 0, SKIP, 0, NULL}, + {FNAME("localAreaAddress") CHOICE, 1, 2, 2, DECODE | EXT, + offsetof(NetworkAccessParameters_networkAddress, localAreaAddress), + _H245_TransportAddress}, +}; + +static field_t _NetworkAccessParameters[] = { /* SEQUENCE */ + {FNAME("distribution") CHOICE, 1, 2, 2, SKIP | EXT | OPT, 0, + _NetworkAccessParameters_distribution}, + {FNAME("networkAddress") CHOICE, 2, 3, 3, DECODE | EXT, + offsetof(NetworkAccessParameters, networkAddress), + _NetworkAccessParameters_networkAddress}, + {FNAME("associateConference") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("externalReference") OCTSTR, 8, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("t120SetupProcedure") CHOICE, 2, 3, 3, SKIP | EXT | OPT, 0, + NULL}, +}; + +static field_t _OpenLogicalChannel[] = { /* SEQUENCE */ + {FNAME("forwardLogicalChannelNumber") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("forwardLogicalChannelParameters") SEQ, 1, 3, 5, DECODE | EXT, + offsetof(OpenLogicalChannel, forwardLogicalChannelParameters), + _OpenLogicalChannel_forwardLogicalChannelParameters}, + {FNAME("reverseLogicalChannelParameters") SEQ, 1, 2, 4, + DECODE | EXT | OPT, offsetof(OpenLogicalChannel, + reverseLogicalChannelParameters), + _OpenLogicalChannel_reverseLogicalChannelParameters}, + {FNAME("separateStack") SEQ, 2, 4, 5, DECODE | EXT | OPT, + offsetof(OpenLogicalChannel, separateStack), + _NetworkAccessParameters}, + {FNAME("encryptionSync") SEQ, 2, 4, 4, STOP | EXT | OPT, 0, NULL}, +}; + +static field_t _Setup_UUIE_fastStart[] = { /* SEQUENCE OF */ + {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, + sizeof(OpenLogicalChannel), _OpenLogicalChannel} + , +}; + +static field_t _Setup_UUIE[] = { /* SEQUENCE */ + {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("h245Address") CHOICE, 3, 7, 7, DECODE | EXT | OPT, + offsetof(Setup_UUIE, h245Address), _TransportAddress}, + {FNAME("sourceAddress") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _Setup_UUIE_sourceAddress}, + {FNAME("sourceInfo") SEQ, 6, 8, 10, SKIP | EXT, 0, _EndpointType}, + {FNAME("destinationAddress") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _Setup_UUIE_destinationAddress}, + {FNAME("destCallSignalAddress") CHOICE, 3, 7, 7, DECODE | EXT | OPT, + offsetof(Setup_UUIE, destCallSignalAddress), _TransportAddress}, + {FNAME("destExtraCallInfo") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _Setup_UUIE_destExtraCallInfo}, + {FNAME("destExtraCRV") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _Setup_UUIE_destExtraCRV}, + {FNAME("activeMC") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("conferenceID") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, + {FNAME("conferenceGoal") CHOICE, 2, 3, 5, SKIP | EXT, 0, + _Setup_UUIE_conferenceGoal}, + {FNAME("callServices") SEQ, 0, 8, 8, SKIP | EXT | OPT, 0, + _QseriesOptions}, + {FNAME("callType") CHOICE, 2, 4, 4, SKIP | EXT, 0, _CallType}, + {FNAME("sourceCallSignalAddress") CHOICE, 3, 7, 7, DECODE | EXT | OPT, + offsetof(Setup_UUIE, sourceCallSignalAddress), _TransportAddress}, + {FNAME("remoteExtensionAddress") CHOICE, 1, 2, 7, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, + {FNAME("h245SecurityCapability") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, + offsetof(Setup_UUIE, fastStart), _Setup_UUIE_fastStart}, + {FNAME("mediaWaitForConnect") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("canOverlapSend") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, + {FNAME("multipleCalls") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("maintainConnection") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("connectionParameters") SEQ, 0, 3, 3, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("language") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("presentationIndicator") CHOICE, 2, 3, 3, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("screeningIndicator") ENUM, 2, 0, 0, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("serviceControl") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("symmetricOperationRequired") NUL, FIXD, 0, 0, SKIP | OPT, 0, + NULL}, + {FNAME("capacity") SEQ, 2, 2, 2, SKIP | EXT | OPT, 0, NULL}, + {FNAME("circuitInfo") SEQ, 3, 3, 3, SKIP | EXT | OPT, 0, NULL}, + {FNAME("desiredProtocols") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("neededFeatures") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("desiredFeatures") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("supportedFeatures") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("parallelH245Control") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("additionalSourceAddresses") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + NULL}, +}; + +static field_t _CallProceeding_UUIE_fastStart[] = { /* SEQUENCE OF */ + {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, + sizeof(OpenLogicalChannel), _OpenLogicalChannel} + , +}; + +static field_t _CallProceeding_UUIE[] = { /* SEQUENCE */ + {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("destinationInfo") SEQ, 6, 8, 10, SKIP | EXT, 0, + _EndpointType}, + {FNAME("h245Address") CHOICE, 3, 7, 7, DECODE | EXT | OPT, + offsetof(CallProceeding_UUIE, h245Address), _TransportAddress}, + {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, + {FNAME("h245SecurityMode") CHOICE, 2, 4, 4, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, + offsetof(CallProceeding_UUIE, fastStart), + _CallProceeding_UUIE_fastStart}, + {FNAME("multipleCalls") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("maintainConnection") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("fastConnectRefused") NUL, FIXD, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("featureSet") SEQ, 3, 4, 4, SKIP | EXT | OPT, 0, NULL}, +}; + +static field_t _Connect_UUIE_fastStart[] = { /* SEQUENCE OF */ + {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, + sizeof(OpenLogicalChannel), _OpenLogicalChannel} + , +}; + +static field_t _Connect_UUIE[] = { /* SEQUENCE */ + {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("h245Address") CHOICE, 3, 7, 7, DECODE | EXT | OPT, + offsetof(Connect_UUIE, h245Address), _TransportAddress}, + {FNAME("destinationInfo") SEQ, 6, 8, 10, SKIP | EXT, 0, + _EndpointType}, + {FNAME("conferenceID") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, + {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, + {FNAME("h245SecurityMode") CHOICE, 2, 4, 4, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, + offsetof(Connect_UUIE, fastStart), _Connect_UUIE_fastStart}, + {FNAME("multipleCalls") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("maintainConnection") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("language") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("connectedAddress") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("presentationIndicator") CHOICE, 2, 3, 3, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("screeningIndicator") ENUM, 2, 0, 0, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("fastConnectRefused") NUL, FIXD, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("serviceControl") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("capacity") SEQ, 2, 2, 2, SKIP | EXT | OPT, 0, NULL}, + {FNAME("featureSet") SEQ, 3, 4, 4, SKIP | EXT | OPT, 0, NULL}, +}; + +static field_t _Alerting_UUIE_fastStart[] = { /* SEQUENCE OF */ + {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, + sizeof(OpenLogicalChannel), _OpenLogicalChannel} + , +}; + +static field_t _Alerting_UUIE[] = { /* SEQUENCE */ + {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("destinationInfo") SEQ, 6, 8, 10, SKIP | EXT, 0, + _EndpointType}, + {FNAME("h245Address") CHOICE, 3, 7, 7, DECODE | EXT | OPT, + offsetof(Alerting_UUIE, h245Address), _TransportAddress}, + {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, + {FNAME("h245SecurityMode") CHOICE, 2, 4, 4, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, + offsetof(Alerting_UUIE, fastStart), _Alerting_UUIE_fastStart}, + {FNAME("multipleCalls") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("maintainConnection") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("alertingAddress") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("presentationIndicator") CHOICE, 2, 3, 3, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("screeningIndicator") ENUM, 2, 0, 0, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("fastConnectRefused") NUL, FIXD, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("serviceControl") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("capacity") SEQ, 2, 2, 2, SKIP | EXT | OPT, 0, NULL}, + {FNAME("featureSet") SEQ, 3, 4, 4, SKIP | EXT | OPT, 0, NULL}, +}; + +static field_t _Information_UUIE_fastStart[] = { /* SEQUENCE OF */ + {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, + sizeof(OpenLogicalChannel), _OpenLogicalChannel} + , +}; + +static field_t _Information_UUIE[] = { /* SEQUENCE */ + {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, + offsetof(Information_UUIE, fastStart), _Information_UUIE_fastStart}, + {FNAME("fastConnectRefused") NUL, FIXD, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("circuitInfo") SEQ, 3, 3, 3, SKIP | EXT | OPT, 0, NULL}, +}; + +static field_t _ReleaseCompleteReason[] = { /* CHOICE */ + {FNAME("noBandwidth") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("gatekeeperResources") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("unreachableDestination") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("destinationRejection") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("invalidRevision") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("noPermission") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("unreachableGatekeeper") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("gatewayResources") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("badFormatAddress") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("adaptiveBusy") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("inConf") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("undefinedReason") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("facilityCallDeflection") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("securityDenied") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("calledPartyNotRegistered") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("callerNotRegistered") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("newConnectionNeeded") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("nonStandardReason") SEQ, 0, 2, 2, SKIP, 0, NULL}, + {FNAME("replaceWithConferenceInvite") OCTSTR, FIXD, 16, 0, SKIP, 0, + NULL}, + {FNAME("genericDataReason") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("neededFeatureNotSupported") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("tunnelledSignallingRejected") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _ReleaseComplete_UUIE[] = { /* SEQUENCE */ + {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("reason") CHOICE, 4, 12, 22, SKIP | EXT | OPT, 0, + _ReleaseCompleteReason}, + {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("busyAddress") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("presentationIndicator") CHOICE, 2, 3, 3, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("screeningIndicator") ENUM, 2, 0, 0, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("capacity") SEQ, 2, 2, 2, SKIP | EXT | OPT, 0, NULL}, + {FNAME("serviceControl") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("featureSet") SEQ, 3, 4, 4, SKIP | EXT | OPT, 0, NULL}, +}; + +static field_t _Facility_UUIE_alternativeAliasAddress[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, +}; + +static field_t _FacilityReason[] = { /* CHOICE */ + {FNAME("routeCallToGatekeeper") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("callForwarded") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("routeCallToMC") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("undefinedReason") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("conferenceListChoice") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("startH245") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("noH245") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("newTokens") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("featureSetUpdate") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("forwardedElements") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("transportedInformation") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _Facility_UUIE_fastStart[] = { /* SEQUENCE OF */ + {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, + sizeof(OpenLogicalChannel), _OpenLogicalChannel} + , +}; + +static field_t _Facility_UUIE[] = { /* SEQUENCE */ + {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("alternativeAddress") CHOICE, 3, 7, 7, DECODE | EXT | OPT, + offsetof(Facility_UUIE, alternativeAddress), _TransportAddress}, + {FNAME("alternativeAliasAddress") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _Facility_UUIE_alternativeAliasAddress}, + {FNAME("conferenceID") OCTSTR, FIXD, 16, 0, SKIP | OPT, 0, NULL}, + {FNAME("reason") CHOICE, 2, 4, 11, DECODE | EXT, + offsetof(Facility_UUIE, reason), _FacilityReason}, + {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, + {FNAME("destExtraCallInfo") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("remoteExtensionAddress") CHOICE, 1, 2, 7, SKIP | EXT | OPT, 0, + NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("conferences") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("h245Address") CHOICE, 3, 7, 7, DECODE | EXT | OPT, + offsetof(Facility_UUIE, h245Address), _TransportAddress}, + {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, + offsetof(Facility_UUIE, fastStart), _Facility_UUIE_fastStart}, + {FNAME("multipleCalls") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("maintainConnection") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("fastConnectRefused") NUL, FIXD, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("serviceControl") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("circuitInfo") SEQ, 3, 3, 3, SKIP | EXT | OPT, 0, NULL}, + {FNAME("featureSet") SEQ, 3, 4, 4, SKIP | EXT | OPT, 0, NULL}, + {FNAME("destinationInfo") SEQ, 6, 8, 10, SKIP | EXT | OPT, 0, NULL}, + {FNAME("h245SecurityMode") CHOICE, 2, 4, 4, SKIP | EXT | OPT, 0, + NULL}, +}; + +static field_t _CallIdentifier[] = { /* SEQUENCE */ + {FNAME("guid") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, +}; + +static field_t _SecurityServiceMode[] = { /* CHOICE */ + {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, _NonStandardParameter}, + {FNAME("none") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("default") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _SecurityCapabilities[] = { /* SEQUENCE */ + {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("encryption") CHOICE, 2, 3, 3, SKIP | EXT, 0, + _SecurityServiceMode}, + {FNAME("authenticaton") CHOICE, 2, 3, 3, SKIP | EXT, 0, + _SecurityServiceMode}, + {FNAME("integrity") CHOICE, 2, 3, 3, SKIP | EXT, 0, + _SecurityServiceMode}, +}; + +static field_t _H245Security[] = { /* CHOICE */ + {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP, 0, _NonStandardParameter}, + {FNAME("noSecurity") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("tls") SEQ, 1, 4, 4, SKIP | EXT, 0, _SecurityCapabilities}, + {FNAME("ipsec") SEQ, 1, 4, 4, SKIP | EXT, 0, _SecurityCapabilities}, +}; + +static field_t _DHset[] = { /* SEQUENCE */ + {FNAME("halfkey") BITSTR, WORD, 0, 0, SKIP, 0, NULL}, + {FNAME("modSize") BITSTR, WORD, 0, 0, SKIP, 0, NULL}, + {FNAME("generator") BITSTR, WORD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _TypedCertificate[] = { /* SEQUENCE */ + {FNAME("type") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("certificate") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _H235_NonStandardParameter[] = { /* SEQUENCE */ + {FNAME("nonStandardIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("data") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _ClearToken[] = { /* SEQUENCE */ + {FNAME("tokenOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("timeStamp") INT, CONS, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("password") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("dhkey") SEQ, 0, 3, 3, SKIP | EXT | OPT, 0, _DHset}, + {FNAME("challenge") OCTSTR, 7, 8, 0, SKIP | OPT, 0, NULL}, + {FNAME("random") INT, UNCO, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("certificate") SEQ, 0, 2, 2, SKIP | EXT | OPT, 0, + _TypedCertificate}, + {FNAME("generalID") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("nonStandard") SEQ, 0, 2, 2, SKIP | OPT, 0, + _H235_NonStandardParameter}, + {FNAME("eckasdhkey") CHOICE, 1, 2, 2, SKIP | EXT | OPT, 0, NULL}, + {FNAME("sendersID") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, +}; + +static field_t _Progress_UUIE_tokens[] = { /* SEQUENCE OF */ + {FNAME("item") SEQ, 8, 9, 11, SKIP | EXT, 0, _ClearToken}, +}; + +static field_t _Params[] = { /* SEQUENCE */ + {FNAME("ranInt") INT, UNCO, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("iv8") OCTSTR, FIXD, 8, 0, SKIP | OPT, 0, NULL}, + {FNAME("iv16") OCTSTR, FIXD, 16, 0, SKIP | OPT, 0, NULL}, +}; + +static field_t _CryptoH323Token_cryptoEPPwdHash_token[] = { /* SEQUENCE */ + {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, + {FNAME("hash") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _CryptoH323Token_cryptoEPPwdHash[] = { /* SEQUENCE */ + {FNAME("alias") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, + {FNAME("timeStamp") INT, CONS, 1, 0, SKIP, 0, NULL}, + {FNAME("token") SEQ, 0, 3, 3, SKIP, 0, + _CryptoH323Token_cryptoEPPwdHash_token}, +}; + +static field_t _CryptoH323Token_cryptoGKPwdHash_token[] = { /* SEQUENCE */ + {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, + {FNAME("hash") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _CryptoH323Token_cryptoGKPwdHash[] = { /* SEQUENCE */ + {FNAME("gatekeeperId") BMPSTR, 7, 1, 0, SKIP, 0, NULL}, + {FNAME("timeStamp") INT, CONS, 1, 0, SKIP, 0, NULL}, + {FNAME("token") SEQ, 0, 3, 3, SKIP, 0, + _CryptoH323Token_cryptoGKPwdHash_token}, +}; + +static field_t _CryptoH323Token_cryptoEPPwdEncr[] = { /* SEQUENCE */ + {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, + {FNAME("encryptedData") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _CryptoH323Token_cryptoGKPwdEncr[] = { /* SEQUENCE */ + {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, + {FNAME("encryptedData") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _CryptoH323Token_cryptoEPCert[] = { /* SEQUENCE */ + {FNAME("toBeSigned") SEQ, 8, 9, 11, SKIP | OPEN | EXT, 0, NULL}, + {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, + {FNAME("signature") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _CryptoH323Token_cryptoGKCert[] = { /* SEQUENCE */ + {FNAME("toBeSigned") SEQ, 8, 9, 11, SKIP | OPEN | EXT, 0, NULL}, + {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, + {FNAME("signature") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _CryptoH323Token_cryptoFastStart[] = { /* SEQUENCE */ + {FNAME("toBeSigned") SEQ, 8, 9, 11, SKIP | OPEN | EXT, 0, NULL}, + {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, + {FNAME("signature") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _CryptoToken_cryptoEncryptedToken_token[] = { /* SEQUENCE */ + {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, + {FNAME("encryptedData") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _CryptoToken_cryptoEncryptedToken[] = { /* SEQUENCE */ + {FNAME("tokenOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("token") SEQ, 0, 3, 3, SKIP, 0, + _CryptoToken_cryptoEncryptedToken_token}, +}; + +static field_t _CryptoToken_cryptoSignedToken_token[] = { /* SEQUENCE */ + {FNAME("toBeSigned") SEQ, 8, 9, 11, SKIP | OPEN | EXT, 0, NULL}, + {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, + {FNAME("signature") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _CryptoToken_cryptoSignedToken[] = { /* SEQUENCE */ + {FNAME("tokenOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("token") SEQ, 0, 4, 4, SKIP, 0, + _CryptoToken_cryptoSignedToken_token}, +}; + +static field_t _CryptoToken_cryptoHashedToken_token[] = { /* SEQUENCE */ + {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, + {FNAME("hash") BITSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _CryptoToken_cryptoHashedToken[] = { /* SEQUENCE */ + {FNAME("tokenOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("hashedVals") SEQ, 8, 9, 11, SKIP | EXT, 0, _ClearToken}, + {FNAME("token") SEQ, 0, 3, 3, SKIP, 0, + _CryptoToken_cryptoHashedToken_token}, +}; + +static field_t _CryptoToken_cryptoPwdEncr[] = { /* SEQUENCE */ + {FNAME("algorithmOID") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("paramS") SEQ, 2, 2, 3, SKIP | EXT, 0, _Params}, + {FNAME("encryptedData") OCTSTR, SEMI, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _CryptoToken[] = { /* CHOICE */ + {FNAME("cryptoEncryptedToken") SEQ, 0, 2, 2, SKIP, 0, + _CryptoToken_cryptoEncryptedToken}, + {FNAME("cryptoSignedToken") SEQ, 0, 2, 2, SKIP, 0, + _CryptoToken_cryptoSignedToken}, + {FNAME("cryptoHashedToken") SEQ, 0, 3, 3, SKIP, 0, + _CryptoToken_cryptoHashedToken}, + {FNAME("cryptoPwdEncr") SEQ, 0, 3, 3, SKIP, 0, + _CryptoToken_cryptoPwdEncr}, +}; + +static field_t _CryptoH323Token[] = { /* CHOICE */ + {FNAME("cryptoEPPwdHash") SEQ, 0, 3, 3, SKIP, 0, + _CryptoH323Token_cryptoEPPwdHash}, + {FNAME("cryptoGKPwdHash") SEQ, 0, 3, 3, SKIP, 0, + _CryptoH323Token_cryptoGKPwdHash}, + {FNAME("cryptoEPPwdEncr") SEQ, 0, 3, 3, SKIP, 0, + _CryptoH323Token_cryptoEPPwdEncr}, + {FNAME("cryptoGKPwdEncr") SEQ, 0, 3, 3, SKIP, 0, + _CryptoH323Token_cryptoGKPwdEncr}, + {FNAME("cryptoEPCert") SEQ, 0, 4, 4, SKIP, 0, + _CryptoH323Token_cryptoEPCert}, + {FNAME("cryptoGKCert") SEQ, 0, 4, 4, SKIP, 0, + _CryptoH323Token_cryptoGKCert}, + {FNAME("cryptoFastStart") SEQ, 0, 4, 4, SKIP, 0, + _CryptoH323Token_cryptoFastStart}, + {FNAME("nestedcryptoToken") CHOICE, 2, 4, 4, SKIP | EXT, 0, + _CryptoToken}, +}; + +static field_t _Progress_UUIE_cryptoTokens[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 3, 8, 8, SKIP | EXT, 0, _CryptoH323Token}, +}; + +static field_t _Progress_UUIE_fastStart[] = { /* SEQUENCE OF */ + {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, + sizeof(OpenLogicalChannel), _OpenLogicalChannel} + , +}; + +static field_t _Progress_UUIE[] = { /* SEQUENCE */ + {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("destinationInfo") SEQ, 6, 8, 10, SKIP | EXT, 0, + _EndpointType}, + {FNAME("h245Address") CHOICE, 3, 7, 7, DECODE | EXT | OPT, + offsetof(Progress_UUIE, h245Address), _TransportAddress}, + {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, + _CallIdentifier}, + {FNAME("h245SecurityMode") CHOICE, 2, 4, 4, SKIP | EXT | OPT, 0, + _H245Security}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _Progress_UUIE_tokens}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _Progress_UUIE_cryptoTokens}, + {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, + offsetof(Progress_UUIE, fastStart), _Progress_UUIE_fastStart}, + {FNAME("multipleCalls") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("maintainConnection") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("fastConnectRefused") NUL, FIXD, 0, 0, SKIP | OPT, 0, NULL}, +}; + +static field_t _H323_UU_PDU_h323_message_body[] = { /* CHOICE */ + {FNAME("setup") SEQ, 7, 13, 39, DECODE | EXT, + offsetof(H323_UU_PDU_h323_message_body, setup), _Setup_UUIE}, + {FNAME("callProceeding") SEQ, 1, 3, 12, DECODE | EXT, + offsetof(H323_UU_PDU_h323_message_body, callProceeding), + _CallProceeding_UUIE}, + {FNAME("connect") SEQ, 1, 4, 19, DECODE | EXT, + offsetof(H323_UU_PDU_h323_message_body, connect), _Connect_UUIE}, + {FNAME("alerting") SEQ, 1, 3, 17, DECODE | EXT, + offsetof(H323_UU_PDU_h323_message_body, alerting), _Alerting_UUIE}, + {FNAME("information") SEQ, 0, 1, 7, DECODE | EXT, + offsetof(H323_UU_PDU_h323_message_body, information), + _Information_UUIE}, + {FNAME("releaseComplete") SEQ, 1, 2, 11, SKIP | EXT, 0, + _ReleaseComplete_UUIE}, + {FNAME("facility") SEQ, 3, 5, 21, DECODE | EXT, + offsetof(H323_UU_PDU_h323_message_body, facility), _Facility_UUIE}, + {FNAME("progress") SEQ, 5, 8, 11, DECODE | EXT, + offsetof(H323_UU_PDU_h323_message_body, progress), _Progress_UUIE}, + {FNAME("empty") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("status") SEQ, 2, 4, 4, SKIP | EXT, 0, NULL}, + {FNAME("statusInquiry") SEQ, 2, 4, 4, SKIP | EXT, 0, NULL}, + {FNAME("setupAcknowledge") SEQ, 2, 4, 4, SKIP | EXT, 0, NULL}, + {FNAME("notify") SEQ, 2, 4, 4, SKIP | EXT, 0, NULL}, +}; + +static field_t _RequestMessage[] = { /* CHOICE */ + {FNAME("nonStandard") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, + {FNAME("masterSlaveDetermination") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, + {FNAME("terminalCapabilitySet") SEQ, 3, 5, 5, STOP | EXT, 0, NULL}, + {FNAME("openLogicalChannel") SEQ, 1, 3, 5, DECODE | EXT, + offsetof(RequestMessage, openLogicalChannel), _OpenLogicalChannel}, + {FNAME("closeLogicalChannel") SEQ, 0, 2, 3, STOP | EXT, 0, NULL}, + {FNAME("requestChannelClose") SEQ, 0, 1, 3, STOP | EXT, 0, NULL}, + {FNAME("multiplexEntrySend") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, + {FNAME("requestMultiplexEntry") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, + {FNAME("requestMode") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, + {FNAME("roundTripDelayRequest") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, + {FNAME("maintenanceLoopRequest") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, + {FNAME("communicationModeRequest") SEQ, 0, 0, 0, STOP | EXT, 0, NULL}, + {FNAME("conferenceRequest") CHOICE, 3, 8, 16, STOP | EXT, 0, NULL}, + {FNAME("multilinkRequest") CHOICE, 3, 5, 5, STOP | EXT, 0, NULL}, + {FNAME("logicalChannelRateRequest") SEQ, 0, 3, 3, STOP | EXT, 0, + NULL}, +}; + +static field_t _OpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters[] = { /* CHOICE */ + {FNAME("h222LogicalChannelParameters") SEQ, 3, 5, 5, SKIP | EXT, 0, + _H222LogicalChannelParameters}, + {FNAME("h2250LogicalChannelParameters") SEQ, 10, 11, 14, DECODE | EXT, + offsetof + (OpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters, + h2250LogicalChannelParameters), _H2250LogicalChannelParameters}, +}; + +static field_t _OpenLogicalChannelAck_reverseLogicalChannelParameters[] = { /* SEQUENCE */ + {FNAME("reverseLogicalChannelNumber") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("portNumber") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("multiplexParameters") CHOICE, 0, 1, 2, DECODE | EXT | OPT, + offsetof(OpenLogicalChannelAck_reverseLogicalChannelParameters, + multiplexParameters), + _OpenLogicalChannelAck_reverseLogicalChannelParameters_multiplexParameters}, + {FNAME("replacementFor") INT, WORD, 1, 0, SKIP | OPT, 0, NULL}, +}; + +static field_t _H2250LogicalChannelAckParameters_nonStandard[] = { /* SEQUENCE OF */ + {FNAME("item") SEQ, 0, 2, 2, SKIP, 0, _H245_NonStandardParameter}, +}; + +static field_t _H2250LogicalChannelAckParameters[] = { /* SEQUENCE */ + {FNAME("nonStandard") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _H2250LogicalChannelAckParameters_nonStandard}, + {FNAME("sessionID") INT, 8, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("mediaChannel") CHOICE, 1, 2, 2, DECODE | EXT | OPT, + offsetof(H2250LogicalChannelAckParameters, mediaChannel), + _H245_TransportAddress}, + {FNAME("mediaControlChannel") CHOICE, 1, 2, 2, DECODE | EXT | OPT, + offsetof(H2250LogicalChannelAckParameters, mediaControlChannel), + _H245_TransportAddress}, + {FNAME("dynamicRTPPayloadType") INT, 5, 96, 0, SKIP | OPT, 0, NULL}, + {FNAME("flowControlToZero") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("portNumber") INT, WORD, 0, 0, SKIP | OPT, 0, NULL}, +}; + +static field_t _OpenLogicalChannelAck_forwardMultiplexAckParameters[] = { /* CHOICE */ + {FNAME("h2250LogicalChannelAckParameters") SEQ, 5, 5, 7, DECODE | EXT, + offsetof(OpenLogicalChannelAck_forwardMultiplexAckParameters, + h2250LogicalChannelAckParameters), + _H2250LogicalChannelAckParameters}, +}; + +static field_t _OpenLogicalChannelAck[] = { /* SEQUENCE */ + {FNAME("forwardLogicalChannelNumber") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("reverseLogicalChannelParameters") SEQ, 2, 3, 4, + DECODE | EXT | OPT, offsetof(OpenLogicalChannelAck, + reverseLogicalChannelParameters), + _OpenLogicalChannelAck_reverseLogicalChannelParameters}, + {FNAME("separateStack") SEQ, 2, 4, 5, SKIP | EXT | OPT, 0, NULL}, + {FNAME("forwardMultiplexAckParameters") CHOICE, 0, 1, 1, + DECODE | EXT | OPT, offsetof(OpenLogicalChannelAck, + forwardMultiplexAckParameters), + _OpenLogicalChannelAck_forwardMultiplexAckParameters}, + {FNAME("encryptionSync") SEQ, 2, 4, 4, STOP | EXT | OPT, 0, NULL}, +}; + +static field_t _ResponseMessage[] = { /* CHOICE */ + {FNAME("nonStandard") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, + {FNAME("masterSlaveDeterminationAck") SEQ, 0, 1, 1, STOP | EXT, 0, + NULL}, + {FNAME("masterSlaveDeterminationReject") SEQ, 0, 1, 1, STOP | EXT, 0, + NULL}, + {FNAME("terminalCapabilitySetAck") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, + {FNAME("terminalCapabilitySetReject") SEQ, 0, 2, 2, STOP | EXT, 0, + NULL}, + {FNAME("openLogicalChannelAck") SEQ, 1, 2, 5, DECODE | EXT, + offsetof(ResponseMessage, openLogicalChannelAck), + _OpenLogicalChannelAck}, + {FNAME("openLogicalChannelReject") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, + {FNAME("closeLogicalChannelAck") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, + {FNAME("requestChannelCloseAck") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, + {FNAME("requestChannelCloseReject") SEQ, 0, 2, 2, STOP | EXT, 0, + NULL}, + {FNAME("multiplexEntrySendAck") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, + {FNAME("multiplexEntrySendReject") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, + {FNAME("requestMultiplexEntryAck") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, + {FNAME("requestMultiplexEntryReject") SEQ, 0, 2, 2, STOP | EXT, 0, + NULL}, + {FNAME("requestModeAck") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, + {FNAME("requestModeReject") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, + {FNAME("roundTripDelayResponse") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, + {FNAME("maintenanceLoopAck") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, + {FNAME("maintenanceLoopReject") SEQ, 0, 2, 2, STOP | EXT, 0, NULL}, + {FNAME("communicationModeResponse") CHOICE, 0, 1, 1, STOP | EXT, 0, + NULL}, + {FNAME("conferenceResponse") CHOICE, 3, 8, 16, STOP | EXT, 0, NULL}, + {FNAME("multilinkResponse") CHOICE, 3, 5, 5, STOP | EXT, 0, NULL}, + {FNAME("logicalChannelRateAcknowledge") SEQ, 0, 3, 3, STOP | EXT, 0, + NULL}, + {FNAME("logicalChannelRateReject") SEQ, 1, 4, 4, STOP | EXT, 0, NULL}, +}; + +static field_t _MultimediaSystemControlMessage[] = { /* CHOICE */ + {FNAME("request") CHOICE, 4, 11, 15, DECODE | EXT, + offsetof(MultimediaSystemControlMessage, request), _RequestMessage}, + {FNAME("response") CHOICE, 5, 19, 24, DECODE | EXT, + offsetof(MultimediaSystemControlMessage, response), + _ResponseMessage}, + {FNAME("command") CHOICE, 3, 7, 12, STOP | EXT, 0, NULL}, + {FNAME("indication") CHOICE, 4, 14, 23, STOP | EXT, 0, NULL}, +}; + +static field_t _H323_UU_PDU_h245Control[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 2, 4, 4, DECODE | OPEN | EXT, + sizeof(MultimediaSystemControlMessage), + _MultimediaSystemControlMessage} + , +}; + +static field_t _H323_UU_PDU[] = { /* SEQUENCE */ + {FNAME("h323-message-body") CHOICE, 3, 7, 13, DECODE | EXT, + offsetof(H323_UU_PDU, h323_message_body), + _H323_UU_PDU_h323_message_body}, + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("h4501SupplementaryService") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + NULL}, + {FNAME("h245Tunneling") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("h245Control") SEQOF, SEMI, 0, 4, DECODE | OPT, + offsetof(H323_UU_PDU, h245Control), _H323_UU_PDU_h245Control}, + {FNAME("nonStandardControl") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("callLinkage") SEQ, 2, 2, 2, STOP | EXT | OPT, 0, NULL}, + {FNAME("tunnelledSignallingMessage") SEQ, 2, 4, 4, STOP | EXT | OPT, + 0, NULL}, + {FNAME("provisionalRespToH245Tunneling") NUL, FIXD, 0, 0, STOP | OPT, + 0, NULL}, + {FNAME("stimulusControl") SEQ, 3, 3, 3, STOP | EXT | OPT, 0, NULL}, + {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, +}; + +static field_t _H323_UserInformation[] = { /* SEQUENCE */ + {FNAME("h323-uu-pdu") SEQ, 1, 2, 11, DECODE | EXT, + offsetof(H323_UserInformation, h323_uu_pdu), _H323_UU_PDU}, + {FNAME("user-data") SEQ, 0, 2, 2, STOP | EXT | OPT, 0, NULL}, +}; + +static field_t _GatekeeperRequest[] = { /* SEQUENCE */ + {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("rasAddress") CHOICE, 3, 7, 7, DECODE | EXT, + offsetof(GatekeeperRequest, rasAddress), _TransportAddress}, + {FNAME("endpointType") SEQ, 6, 8, 10, STOP | EXT, 0, NULL}, + {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, + {FNAME("callServices") SEQ, 0, 8, 8, STOP | EXT | OPT, 0, NULL}, + {FNAME("endpointAlias") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("alternateEndpoints") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("authenticationCapability") SEQOF, SEMI, 0, 0, STOP | OPT, 0, + NULL}, + {FNAME("algorithmOIDs") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("integrity") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("supportsAltGK") NUL, FIXD, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, + {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, +}; + +static field_t _GatekeeperConfirm[] = { /* SEQUENCE */ + {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("rasAddress") CHOICE, 3, 7, 7, DECODE | EXT, + offsetof(GatekeeperConfirm, rasAddress), _TransportAddress}, + {FNAME("alternateGatekeeper") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("authenticationMode") CHOICE, 3, 7, 8, STOP | EXT | OPT, 0, + NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("algorithmOID") OID, BYTE, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("integrity") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, + {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, +}; + +static field_t _RegistrationRequest_callSignalAddress[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 3, 7, 7, DECODE | EXT, + sizeof(TransportAddress), _TransportAddress} + , +}; + +static field_t _RegistrationRequest_rasAddress[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 3, 7, 7, DECODE | EXT, + sizeof(TransportAddress), _TransportAddress} + , +}; + +static field_t _RegistrationRequest_terminalAlias[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, +}; + +static field_t _RegistrationRequest[] = { /* SEQUENCE */ + {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("discoveryComplete") BOOL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("callSignalAddress") SEQOF, SEMI, 0, 10, DECODE, + offsetof(RegistrationRequest, callSignalAddress), + _RegistrationRequest_callSignalAddress}, + {FNAME("rasAddress") SEQOF, SEMI, 0, 10, DECODE, + offsetof(RegistrationRequest, rasAddress), + _RegistrationRequest_rasAddress}, + {FNAME("terminalType") SEQ, 6, 8, 10, SKIP | EXT, 0, _EndpointType}, + {FNAME("terminalAlias") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _RegistrationRequest_terminalAlias}, + {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("endpointVendor") SEQ, 2, 3, 3, SKIP | EXT, 0, + _VendorIdentifier}, + {FNAME("alternateEndpoints") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("timeToLive") INT, CONS, 1, 0, DECODE | OPT, + offsetof(RegistrationRequest, timeToLive), NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("keepAlive") BOOL, FIXD, 0, 0, STOP, 0, NULL}, + {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, + {FNAME("willSupplyUUIEs") BOOL, FIXD, 0, 0, STOP, 0, NULL}, + {FNAME("maintainConnection") BOOL, FIXD, 0, 0, STOP, 0, NULL}, + {FNAME("alternateTransportAddresses") SEQ, 1, 1, 1, STOP | EXT | OPT, + 0, NULL}, + {FNAME("additiveRegistration") NUL, FIXD, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("terminalAliasPattern") SEQOF, SEMI, 0, 0, STOP | OPT, 0, + NULL}, + {FNAME("supportsAltGK") NUL, FIXD, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("usageReportingCapability") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, + NULL}, + {FNAME("multipleCalls") BOOL, FIXD, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("supportedH248Packages") SEQOF, SEMI, 0, 0, STOP | OPT, 0, + NULL}, + {FNAME("callCreditCapability") SEQ, 2, 2, 2, STOP | EXT | OPT, 0, + NULL}, + {FNAME("capacityReportingCapability") SEQ, 0, 1, 1, STOP | EXT | OPT, + 0, NULL}, + {FNAME("capacity") SEQ, 2, 2, 2, STOP | EXT | OPT, 0, NULL}, + {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, + {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, +}; + +static field_t _RegistrationConfirm_callSignalAddress[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 3, 7, 7, DECODE | EXT, + sizeof(TransportAddress), _TransportAddress} + , +}; + +static field_t _RegistrationConfirm_terminalAlias[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, +}; + +static field_t _RegistrationConfirm[] = { /* SEQUENCE */ + {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("callSignalAddress") SEQOF, SEMI, 0, 10, DECODE, + offsetof(RegistrationConfirm, callSignalAddress), + _RegistrationConfirm_callSignalAddress}, + {FNAME("terminalAlias") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _RegistrationConfirm_terminalAlias}, + {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, SKIP, 0, NULL}, + {FNAME("alternateGatekeeper") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, + {FNAME("timeToLive") INT, CONS, 1, 0, DECODE | OPT, + offsetof(RegistrationConfirm, timeToLive), NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("willRespondToIRR") BOOL, FIXD, 0, 0, STOP, 0, NULL}, + {FNAME("preGrantedARQ") SEQ, 0, 4, 8, STOP | EXT | OPT, 0, NULL}, + {FNAME("maintainConnection") BOOL, FIXD, 0, 0, STOP, 0, NULL}, + {FNAME("serviceControl") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("supportsAdditiveRegistration") NUL, FIXD, 0, 0, STOP | OPT, 0, + NULL}, + {FNAME("terminalAliasPattern") SEQOF, SEMI, 0, 0, STOP | OPT, 0, + NULL}, + {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("usageSpec") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("featureServerAlias") CHOICE, 1, 2, 7, STOP | EXT | OPT, 0, + NULL}, + {FNAME("capacityReportingSpec") SEQ, 0, 1, 1, STOP | EXT | OPT, 0, + NULL}, + {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, + {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, +}; + +static field_t _UnregistrationRequest_callSignalAddress[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 3, 7, 7, DECODE | EXT, + sizeof(TransportAddress), _TransportAddress} + , +}; + +static field_t _UnregistrationRequest[] = { /* SEQUENCE */ + {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("callSignalAddress") SEQOF, SEMI, 0, 10, DECODE, + offsetof(UnregistrationRequest, callSignalAddress), + _UnregistrationRequest_callSignalAddress}, + {FNAME("endpointAlias") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("nonStandardData") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, + {FNAME("alternateEndpoints") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("reason") CHOICE, 2, 4, 5, STOP | EXT | OPT, 0, NULL}, + {FNAME("endpointAliasPattern") SEQOF, SEMI, 0, 0, STOP | OPT, 0, + NULL}, + {FNAME("supportedPrefixes") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("alternateGatekeeper") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, +}; + +static field_t _CallModel[] = { /* CHOICE */ + {FNAME("direct") NUL, FIXD, 0, 0, SKIP, 0, NULL}, + {FNAME("gatekeeperRouted") NUL, FIXD, 0, 0, SKIP, 0, NULL}, +}; + +static field_t _AdmissionRequest_destinationInfo[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, +}; + +static field_t _AdmissionRequest_destExtraCallInfo[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, +}; + +static field_t _AdmissionRequest_srcInfo[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, +}; + +static field_t _AdmissionRequest[] = { /* SEQUENCE */ + {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("callType") CHOICE, 2, 4, 4, SKIP | EXT, 0, _CallType}, + {FNAME("callModel") CHOICE, 1, 2, 2, SKIP | EXT | OPT, 0, _CallModel}, + {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, SKIP, 0, NULL}, + {FNAME("destinationInfo") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _AdmissionRequest_destinationInfo}, + {FNAME("destCallSignalAddress") CHOICE, 3, 7, 7, DECODE | EXT | OPT, + offsetof(AdmissionRequest, destCallSignalAddress), + _TransportAddress}, + {FNAME("destExtraCallInfo") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, + _AdmissionRequest_destExtraCallInfo}, + {FNAME("srcInfo") SEQOF, SEMI, 0, 0, SKIP, 0, + _AdmissionRequest_srcInfo}, + {FNAME("srcCallSignalAddress") CHOICE, 3, 7, 7, DECODE | EXT | OPT, + offsetof(AdmissionRequest, srcCallSignalAddress), _TransportAddress}, + {FNAME("bandWidth") INT, CONS, 0, 0, STOP, 0, NULL}, + {FNAME("callReferenceValue") INT, WORD, 0, 0, STOP, 0, NULL}, + {FNAME("nonStandardData") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("callServices") SEQ, 0, 8, 8, STOP | EXT | OPT, 0, NULL}, + {FNAME("conferenceID") OCTSTR, FIXD, 16, 0, STOP, 0, NULL}, + {FNAME("activeMC") BOOL, FIXD, 0, 0, STOP, 0, NULL}, + {FNAME("answerCall") BOOL, FIXD, 0, 0, STOP, 0, NULL}, + {FNAME("canMapAlias") BOOL, FIXD, 0, 0, STOP, 0, NULL}, + {FNAME("callIdentifier") SEQ, 0, 1, 1, STOP | EXT, 0, NULL}, + {FNAME("srcAlternatives") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("destAlternatives") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("transportQOS") CHOICE, 2, 3, 3, STOP | EXT | OPT, 0, NULL}, + {FNAME("willSupplyUUIEs") BOOL, FIXD, 0, 0, STOP, 0, NULL}, + {FNAME("callLinkage") SEQ, 2, 2, 2, STOP | EXT | OPT, 0, NULL}, + {FNAME("gatewayDataRate") SEQ, 2, 3, 3, STOP | EXT | OPT, 0, NULL}, + {FNAME("capacity") SEQ, 2, 2, 2, STOP | EXT | OPT, 0, NULL}, + {FNAME("circuitInfo") SEQ, 3, 3, 3, STOP | EXT | OPT, 0, NULL}, + {FNAME("desiredProtocols") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("desiredTunnelledProtocol") SEQ, 1, 2, 2, STOP | EXT | OPT, 0, + NULL}, + {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, + {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, +}; + +static field_t _AdmissionConfirm[] = { /* SEQUENCE */ + {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("bandWidth") INT, CONS, 0, 0, SKIP, 0, NULL}, + {FNAME("callModel") CHOICE, 1, 2, 2, SKIP | EXT, 0, _CallModel}, + {FNAME("destCallSignalAddress") CHOICE, 3, 7, 7, DECODE | EXT, + offsetof(AdmissionConfirm, destCallSignalAddress), + _TransportAddress}, + {FNAME("irrFrequency") INT, WORD, 1, 0, STOP | OPT, 0, NULL}, + {FNAME("nonStandardData") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("destinationInfo") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("destExtraCallInfo") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("destinationType") SEQ, 6, 8, 10, STOP | EXT | OPT, 0, NULL}, + {FNAME("remoteExtensionAddress") SEQOF, SEMI, 0, 0, STOP | OPT, 0, + NULL}, + {FNAME("alternateEndpoints") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("transportQOS") CHOICE, 2, 3, 3, STOP | EXT | OPT, 0, NULL}, + {FNAME("willRespondToIRR") BOOL, FIXD, 0, 0, STOP, 0, NULL}, + {FNAME("uuiesRequested") SEQ, 0, 9, 13, STOP | EXT, 0, NULL}, + {FNAME("language") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("alternateTransportAddresses") SEQ, 1, 1, 1, STOP | EXT | OPT, + 0, NULL}, + {FNAME("useSpecifiedTransport") CHOICE, 1, 2, 2, STOP | EXT | OPT, 0, + NULL}, + {FNAME("circuitInfo") SEQ, 3, 3, 3, STOP | EXT | OPT, 0, NULL}, + {FNAME("usageSpec") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("supportedProtocols") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("serviceControl") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("multipleCalls") BOOL, FIXD, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, + {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, +}; + +static field_t _LocationRequest_destinationInfo[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 1, 2, 7, SKIP | EXT, 0, _AliasAddress}, +}; + +static field_t _LocationRequest[] = { /* SEQUENCE */ + {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, SKIP | OPT, 0, NULL}, + {FNAME("destinationInfo") SEQOF, SEMI, 0, 0, SKIP, 0, + _LocationRequest_destinationInfo}, + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("replyAddress") CHOICE, 3, 7, 7, DECODE | EXT, + offsetof(LocationRequest, replyAddress), _TransportAddress}, + {FNAME("sourceInfo") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("canMapAlias") BOOL, FIXD, 0, 0, STOP, 0, NULL}, + {FNAME("gatekeeperIdentifier") BMPSTR, 7, 1, 0, STOP | OPT, 0, NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("desiredProtocols") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("desiredTunnelledProtocol") SEQ, 1, 2, 2, STOP | EXT | OPT, 0, + NULL}, + {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, + {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("hopCount") INT, 8, 1, 0, STOP | OPT, 0, NULL}, + {FNAME("circuitInfo") SEQ, 3, 3, 3, STOP | EXT | OPT, 0, NULL}, +}; + +static field_t _LocationConfirm[] = { /* SEQUENCE */ + {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("callSignalAddress") CHOICE, 3, 7, 7, DECODE | EXT, + offsetof(LocationConfirm, callSignalAddress), _TransportAddress}, + {FNAME("rasAddress") CHOICE, 3, 7, 7, DECODE | EXT, + offsetof(LocationConfirm, rasAddress), _TransportAddress}, + {FNAME("nonStandardData") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("destinationInfo") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("destExtraCallInfo") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("destinationType") SEQ, 6, 8, 10, STOP | EXT | OPT, 0, NULL}, + {FNAME("remoteExtensionAddress") SEQOF, SEMI, 0, 0, STOP | OPT, 0, + NULL}, + {FNAME("alternateEndpoints") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("alternateTransportAddresses") SEQ, 1, 1, 1, STOP | EXT | OPT, + 0, NULL}, + {FNAME("supportedProtocols") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("multipleCalls") BOOL, FIXD, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("featureSet") SEQ, 3, 4, 4, STOP | EXT | OPT, 0, NULL}, + {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("circuitInfo") SEQ, 3, 3, 3, STOP | EXT | OPT, 0, NULL}, + {FNAME("serviceControl") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, +}; + +static field_t _InfoRequestResponse_callSignalAddress[] = { /* SEQUENCE OF */ + {FNAME("item") CHOICE, 3, 7, 7, DECODE | EXT, + sizeof(TransportAddress), _TransportAddress} + , +}; + +static field_t _InfoRequestResponse[] = { /* SEQUENCE */ + {FNAME("nonStandardData") SEQ, 0, 2, 2, SKIP | OPT, 0, + _NonStandardParameter}, + {FNAME("requestSeqNum") INT, WORD, 1, 0, SKIP, 0, NULL}, + {FNAME("endpointType") SEQ, 6, 8, 10, SKIP | EXT, 0, _EndpointType}, + {FNAME("endpointIdentifier") BMPSTR, 7, 1, 0, SKIP, 0, NULL}, + {FNAME("rasAddress") CHOICE, 3, 7, 7, DECODE | EXT, + offsetof(InfoRequestResponse, rasAddress), _TransportAddress}, + {FNAME("callSignalAddress") SEQOF, SEMI, 0, 10, DECODE, + offsetof(InfoRequestResponse, callSignalAddress), + _InfoRequestResponse_callSignalAddress}, + {FNAME("endpointAlias") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("perCallInfo") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("tokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, + {FNAME("integrityCheckValue") SEQ, 0, 2, 2, STOP | OPT, 0, NULL}, + {FNAME("needResponse") BOOL, FIXD, 0, 0, STOP, 0, NULL}, + {FNAME("capacity") SEQ, 2, 2, 2, STOP | EXT | OPT, 0, NULL}, + {FNAME("irrStatus") CHOICE, 2, 4, 4, STOP | EXT | OPT, 0, NULL}, + {FNAME("unsolicited") BOOL, FIXD, 0, 0, STOP, 0, NULL}, + {FNAME("genericData") SEQOF, SEMI, 0, 0, STOP | OPT, 0, NULL}, +}; + +static field_t _RasMessage[] = { /* CHOICE */ + {FNAME("gatekeeperRequest") SEQ, 4, 8, 18, DECODE | EXT, + offsetof(RasMessage, gatekeeperRequest), _GatekeeperRequest}, + {FNAME("gatekeeperConfirm") SEQ, 2, 5, 14, DECODE | EXT, + offsetof(RasMessage, gatekeeperConfirm), _GatekeeperConfirm}, + {FNAME("gatekeeperReject") SEQ, 2, 5, 11, STOP | EXT, 0, NULL}, + {FNAME("registrationRequest") SEQ, 3, 10, 31, DECODE | EXT, + offsetof(RasMessage, registrationRequest), _RegistrationRequest}, + {FNAME("registrationConfirm") SEQ, 3, 7, 24, DECODE | EXT, + offsetof(RasMessage, registrationConfirm), _RegistrationConfirm}, + {FNAME("registrationReject") SEQ, 2, 5, 11, STOP | EXT, 0, NULL}, + {FNAME("unregistrationRequest") SEQ, 3, 5, 15, DECODE | EXT, + offsetof(RasMessage, unregistrationRequest), _UnregistrationRequest}, + {FNAME("unregistrationConfirm") SEQ, 1, 2, 6, STOP | EXT, 0, NULL}, + {FNAME("unregistrationReject") SEQ, 1, 3, 8, STOP | EXT, 0, NULL}, + {FNAME("admissionRequest") SEQ, 7, 16, 34, DECODE | EXT, + offsetof(RasMessage, admissionRequest), _AdmissionRequest}, + {FNAME("admissionConfirm") SEQ, 2, 6, 27, DECODE | EXT, + offsetof(RasMessage, admissionConfirm), _AdmissionConfirm}, + {FNAME("admissionReject") SEQ, 1, 3, 11, STOP | EXT, 0, NULL}, + {FNAME("bandwidthRequest") SEQ, 2, 7, 18, STOP | EXT, 0, NULL}, + {FNAME("bandwidthConfirm") SEQ, 1, 3, 8, STOP | EXT, 0, NULL}, + {FNAME("bandwidthReject") SEQ, 1, 4, 9, STOP | EXT, 0, NULL}, + {FNAME("disengageRequest") SEQ, 1, 6, 19, STOP | EXT, 0, NULL}, + {FNAME("disengageConfirm") SEQ, 1, 2, 9, STOP | EXT, 0, NULL}, + {FNAME("disengageReject") SEQ, 1, 3, 8, STOP | EXT, 0, NULL}, + {FNAME("locationRequest") SEQ, 2, 5, 17, DECODE | EXT, + offsetof(RasMessage, locationRequest), _LocationRequest}, + {FNAME("locationConfirm") SEQ, 1, 4, 19, DECODE | EXT, + offsetof(RasMessage, locationConfirm), _LocationConfirm}, + {FNAME("locationReject") SEQ, 1, 3, 10, STOP | EXT, 0, NULL}, + {FNAME("infoRequest") SEQ, 2, 4, 15, STOP | EXT, 0, NULL}, + {FNAME("infoRequestResponse") SEQ, 3, 8, 16, DECODE | EXT, + offsetof(RasMessage, infoRequestResponse), _InfoRequestResponse}, + {FNAME("nonStandardMessage") SEQ, 0, 2, 7, STOP | EXT, 0, NULL}, + {FNAME("unknownMessageResponse") SEQ, 0, 1, 5, STOP | EXT, 0, NULL}, + {FNAME("requestInProgress") SEQ, 4, 6, 6, STOP | EXT, 0, NULL}, + {FNAME("resourcesAvailableIndicate") SEQ, 4, 9, 11, STOP | EXT, 0, + NULL}, + {FNAME("resourcesAvailableConfirm") SEQ, 4, 6, 7, STOP | EXT, 0, + NULL}, + {FNAME("infoRequestAck") SEQ, 4, 5, 5, STOP | EXT, 0, NULL}, + {FNAME("infoRequestNak") SEQ, 5, 7, 7, STOP | EXT, 0, NULL}, + {FNAME("serviceControlIndication") SEQ, 8, 10, 10, STOP | EXT, 0, + NULL}, + {FNAME("serviceControlResponse") SEQ, 7, 8, 8, STOP | EXT, 0, NULL}, +}; -- cgit v0.10.2