diff options
author | Jeff Garzik <jeff@garzik.org> | 2006-03-01 06:58:38 (GMT) |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2006-03-01 06:58:38 (GMT) |
commit | 68727fed5469100bec0764207d7efb7a9ecdee29 (patch) | |
tree | 7afb58ab7665b90122d3b4505be5c6c9f8bade4b /net | |
parent | dbfedbb98145375106cee7ec7269611d553819dc (diff) | |
parent | b5b9d6647c1cd5eee90b58941c55f874c2a7e707 (diff) | |
download | linux-fsl-qoriq-68727fed5469100bec0764207d7efb7a9ecdee29.tar.xz |
Merge branch 'upstream-fixes'
Diffstat (limited to 'net')
-rw-r--r-- | net/bridge/netfilter/ebt_log.c | 7 | ||||
-rw-r--r-- | net/core/request_sock.c | 1 | ||||
-rw-r--r-- | net/ieee80211/ieee80211_rx.c | 16 | ||||
-rw-r--r-- | net/ipv4/esp4.c | 185 | ||||
-rw-r--r-- | net/ipv4/netfilter/ipt_LOG.c | 7 | ||||
-rw-r--r-- | net/ipv6/netfilter/ip6t_LOG.c | 7 | ||||
-rw-r--r-- | net/netfilter/nf_queue.c | 42 | ||||
-rw-r--r-- | net/xfrm/xfrm_policy.c | 7 |
8 files changed, 109 insertions, 163 deletions
diff --git a/net/bridge/netfilter/ebt_log.c b/net/bridge/netfilter/ebt_log.c index 0128fbb..288ff1d 100644 --- a/net/bridge/netfilter/ebt_log.c +++ b/net/bridge/netfilter/ebt_log.c @@ -166,7 +166,12 @@ static void ebt_log(const struct sk_buff *skb, unsigned int hooknr, li.u.log.level = info->loglevel; li.u.log.logflags = info->bitmask; - nf_log_packet(PF_BRIDGE, hooknr, skb, in, out, &li, info->prefix); + if (info->bitmask & EBT_LOG_NFLOG) + nf_log_packet(PF_BRIDGE, hooknr, skb, in, out, &li, + info->prefix); + else + ebt_log_packet(PF_BRIDGE, hooknr, skb, in, out, &li, + info->prefix); } static struct ebt_watcher log = diff --git a/net/core/request_sock.c b/net/core/request_sock.c index b8203de..98f0fc9 100644 --- a/net/core/request_sock.c +++ b/net/core/request_sock.c @@ -52,7 +52,6 @@ int reqsk_queue_alloc(struct request_sock_queue *queue, get_random_bytes(&lopt->hash_rnd, sizeof(lopt->hash_rnd)); rwlock_init(&queue->syn_wait_lock); queue->rskq_accept_head = queue->rskq_accept_head = NULL; - queue->rskq_defer_accept = 0; lopt->nr_table_entries = nr_table_entries; write_lock_bh(&queue->syn_wait_lock); diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c index fcf4382..6b8469d 100644 --- a/net/ieee80211/ieee80211_rx.c +++ b/net/ieee80211/ieee80211_rx.c @@ -1394,7 +1394,7 @@ static void update_network(struct ieee80211_network *dst, /* dst->last_associate is not overwritten */ } -static inline int is_beacon(int fc) +static inline int is_beacon(__le16 fc) { return (WLAN_FC_GET_STYPE(le16_to_cpu(fc)) == IEEE80211_STYPE_BEACON); } @@ -1443,9 +1443,7 @@ static void ieee80211_process_probe_response(struct ieee80211_device escape_essid(info_element->data, info_element->len), MAC_ARG(beacon->header.addr3), - is_beacon(le16_to_cpu - (beacon->header. - frame_ctl)) ? + is_beacon(beacon->header.frame_ctl) ? "BEACON" : "PROBE RESPONSE"); return; } @@ -1496,9 +1494,7 @@ static void ieee80211_process_probe_response(struct ieee80211_device escape_essid(network.ssid, network.ssid_len), MAC_ARG(network.bssid), - is_beacon(le16_to_cpu - (beacon->header. - frame_ctl)) ? + is_beacon(beacon->header.frame_ctl) ? "BEACON" : "PROBE RESPONSE"); #endif memcpy(target, &network, sizeof(*target)); @@ -1509,9 +1505,7 @@ static void ieee80211_process_probe_response(struct ieee80211_device escape_essid(target->ssid, target->ssid_len), MAC_ARG(target->bssid), - is_beacon(le16_to_cpu - (beacon->header. - frame_ctl)) ? + is_beacon(beacon->header.frame_ctl) ? "BEACON" : "PROBE RESPONSE"); update_network(target, &network); network.ibss_dfs = NULL; @@ -1519,7 +1513,7 @@ static void ieee80211_process_probe_response(struct ieee80211_device spin_unlock_irqrestore(&ieee->lock, flags); - if (is_beacon(le16_to_cpu(beacon->header.frame_ctl))) { + if (is_beacon(beacon->header.frame_ctl)) { if (ieee->handle_beacon != NULL) ieee->handle_beacon(dev, beacon, &network); } else { diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index 73bfcae..09590f3 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -12,13 +12,6 @@ #include <net/protocol.h> #include <net/udp.h> -/* decapsulation data for use when post-processing */ -struct esp_decap_data { - xfrm_address_t saddr; - __u16 sport; - __u8 proto; -}; - static int esp_output(struct xfrm_state *x, struct sk_buff *skb) { int err; @@ -150,6 +143,10 @@ static int esp_input(struct xfrm_state *x, struct xfrm_decap_state *decap, struc int elen = skb->len - sizeof(struct ip_esp_hdr) - esp->conf.ivlen - alen; int nfrags; int encap_len = 0; + u8 nexthdr[2]; + struct scatterlist *sg; + u8 workbuf[60]; + int padlen; if (!pskb_may_pull(skb, sizeof(struct ip_esp_hdr))) goto out; @@ -185,122 +182,82 @@ static int esp_input(struct xfrm_state *x, struct xfrm_decap_state *decap, struc if (esp->conf.ivlen) crypto_cipher_set_iv(esp->conf.tfm, esph->enc_data, crypto_tfm_alg_ivsize(esp->conf.tfm)); - { - u8 nexthdr[2]; - struct scatterlist *sg = &esp->sgbuf[0]; - u8 workbuf[60]; - int padlen; - - if (unlikely(nfrags > ESP_NUM_FAST_SG)) { - sg = kmalloc(sizeof(struct scatterlist)*nfrags, GFP_ATOMIC); - if (!sg) - goto out; - } - skb_to_sgvec(skb, sg, sizeof(struct ip_esp_hdr) + esp->conf.ivlen, elen); - crypto_cipher_decrypt(esp->conf.tfm, sg, sg, elen); - if (unlikely(sg != &esp->sgbuf[0])) - kfree(sg); - - if (skb_copy_bits(skb, skb->len-alen-2, nexthdr, 2)) - BUG(); + sg = &esp->sgbuf[0]; - padlen = nexthdr[0]; - if (padlen+2 >= elen) + if (unlikely(nfrags > ESP_NUM_FAST_SG)) { + sg = kmalloc(sizeof(struct scatterlist)*nfrags, GFP_ATOMIC); + if (!sg) goto out; - - /* ... check padding bits here. Silly. :-) */ - - if (x->encap && decap && decap->decap_type) { - struct esp_decap_data *encap_data; - struct udphdr *uh = (struct udphdr *) (iph+1); - - encap_data = (struct esp_decap_data *) (decap->decap_data); - encap_data->proto = 0; - - switch (decap->decap_type) { - case UDP_ENCAP_ESPINUDP: - case UDP_ENCAP_ESPINUDP_NON_IKE: - encap_data->proto = AF_INET; - encap_data->saddr.a4 = iph->saddr; - encap_data->sport = uh->source; - encap_len = (void*)esph - (void*)uh; - break; - - default: - goto out; - } - } - - iph->protocol = nexthdr[1]; - pskb_trim(skb, skb->len - alen - padlen - 2); - memcpy(workbuf, skb->nh.raw, iph->ihl*4); - skb->h.raw = skb_pull(skb, sizeof(struct ip_esp_hdr) + esp->conf.ivlen); - skb->nh.raw += encap_len + sizeof(struct ip_esp_hdr) + esp->conf.ivlen; - memcpy(skb->nh.raw, workbuf, iph->ihl*4); - skb->nh.iph->tot_len = htons(skb->len); } + skb_to_sgvec(skb, sg, sizeof(struct ip_esp_hdr) + esp->conf.ivlen, elen); + crypto_cipher_decrypt(esp->conf.tfm, sg, sg, elen); + if (unlikely(sg != &esp->sgbuf[0])) + kfree(sg); - return 0; + if (skb_copy_bits(skb, skb->len-alen-2, nexthdr, 2)) + BUG(); -out: - return -EINVAL; -} + padlen = nexthdr[0]; + if (padlen+2 >= elen) + goto out; -static int esp_post_input(struct xfrm_state *x, struct xfrm_decap_state *decap, struct sk_buff *skb) -{ - - if (x->encap) { - struct xfrm_encap_tmpl *encap; - struct esp_decap_data *decap_data; + /* ... check padding bits here. Silly. :-) */ - encap = x->encap; - decap_data = (struct esp_decap_data *)(decap->decap_data); + if (x->encap) { + struct xfrm_encap_tmpl *encap = x->encap; + struct udphdr *uh; - /* first, make sure that the decap type == the encap type */ if (encap->encap_type != decap->decap_type) - return -EINVAL; + goto out; - switch (encap->encap_type) { - default: - case UDP_ENCAP_ESPINUDP: - case UDP_ENCAP_ESPINUDP_NON_IKE: - /* - * 1) if the NAT-T peer's IP or port changed then - * advertize the change to the keying daemon. - * This is an inbound SA, so just compare - * SRC ports. - */ - if (decap_data->proto == AF_INET && - (decap_data->saddr.a4 != x->props.saddr.a4 || - decap_data->sport != encap->encap_sport)) { - xfrm_address_t ipaddr; - - ipaddr.a4 = decap_data->saddr.a4; - km_new_mapping(x, &ipaddr, decap_data->sport); - - /* XXX: perhaps add an extra - * policy check here, to see - * if we should allow or - * reject a packet from a - * different source - * address/port. - */ - } - - /* - * 2) ignore UDP/TCP checksums in case - * of NAT-T in Transport Mode, or - * perform other post-processing fixes - * as per * draft-ietf-ipsec-udp-encaps-06, - * section 3.1.2 + uh = (struct udphdr *)(iph + 1); + encap_len = (void*)esph - (void*)uh; + + /* + * 1) if the NAT-T peer's IP or port changed then + * advertize the change to the keying daemon. + * This is an inbound SA, so just compare + * SRC ports. + */ + if (iph->saddr != x->props.saddr.a4 || + uh->source != encap->encap_sport) { + xfrm_address_t ipaddr; + + ipaddr.a4 = iph->saddr; + km_new_mapping(x, &ipaddr, uh->source); + + /* XXX: perhaps add an extra + * policy check here, to see + * if we should allow or + * reject a packet from a + * different source + * address/port. */ - if (!x->props.mode) - skb->ip_summed = CHECKSUM_UNNECESSARY; - - break; } + + /* + * 2) ignore UDP/TCP checksums in case + * of NAT-T in Transport Mode, or + * perform other post-processing fixes + * as per draft-ietf-ipsec-udp-encaps-06, + * section 3.1.2 + */ + if (!x->props.mode) + skb->ip_summed = CHECKSUM_UNNECESSARY; } + + iph->protocol = nexthdr[1]; + pskb_trim(skb, skb->len - alen - padlen - 2); + memcpy(workbuf, skb->nh.raw, iph->ihl*4); + skb->h.raw = skb_pull(skb, sizeof(struct ip_esp_hdr) + esp->conf.ivlen); + skb->nh.raw += encap_len + sizeof(struct ip_esp_hdr) + esp->conf.ivlen; + memcpy(skb->nh.raw, workbuf, iph->ihl*4); + skb->nh.iph->tot_len = htons(skb->len); + return 0; + +out: + return -EINVAL; } static u32 esp4_get_max_size(struct xfrm_state *x, int mtu) @@ -458,7 +415,6 @@ static struct xfrm_type esp_type = .destructor = esp_destroy, .get_max_size = esp4_get_max_size, .input = esp_input, - .post_input = esp_post_input, .output = esp_output }; @@ -470,15 +426,6 @@ static struct net_protocol esp4_protocol = { static int __init esp4_init(void) { - struct xfrm_decap_state decap; - - if (sizeof(struct esp_decap_data) > - sizeof(decap.decap_data)) { - extern void decap_data_too_small(void); - - decap_data_too_small(); - } - if (xfrm_register_type(&esp_type, AF_INET) < 0) { printk(KERN_INFO "ip esp init: can't add xfrm type\n"); return -EAGAIN; diff --git a/net/ipv4/netfilter/ipt_LOG.c b/net/ipv4/netfilter/ipt_LOG.c index 6606ddb..cc27545 100644 --- a/net/ipv4/netfilter/ipt_LOG.c +++ b/net/ipv4/netfilter/ipt_LOG.c @@ -425,7 +425,12 @@ ipt_log_target(struct sk_buff **pskb, li.u.log.level = loginfo->level; li.u.log.logflags = loginfo->logflags; - nf_log_packet(PF_INET, hooknum, *pskb, in, out, &li, loginfo->prefix); + if (loginfo->logflags & IPT_LOG_NFLOG) + nf_log_packet(PF_INET, hooknum, *pskb, in, out, &li, + loginfo->prefix); + else + ipt_log_packet(PF_INET, hooknum, *pskb, in, out, &li, + loginfo->prefix); return IPT_CONTINUE; } diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c index 77c7258..6b930ef 100644 --- a/net/ipv6/netfilter/ip6t_LOG.c +++ b/net/ipv6/netfilter/ip6t_LOG.c @@ -436,7 +436,12 @@ ip6t_log_target(struct sk_buff **pskb, li.u.log.level = loginfo->level; li.u.log.logflags = loginfo->logflags; - nf_log_packet(PF_INET6, hooknum, *pskb, in, out, &li, loginfo->prefix); + if (loginfo->logflags & IP6T_LOG_NFLOG) + nf_log_packet(PF_INET6, hooknum, *pskb, in, out, &li, + loginfo->prefix); + else + ip6t_log_packet(PF_INET6, hooknum, *pskb, in, out, &li, + loginfo->prefix); return IP6T_CONTINUE; } diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c index d3a4f30..d9f0d7e 100644 --- a/net/netfilter/nf_queue.c +++ b/net/netfilter/nf_queue.c @@ -6,6 +6,7 @@ #include <linux/skbuff.h> #include <linux/netfilter.h> #include <linux/seq_file.h> +#include <linux/rcupdate.h> #include <net/protocol.h> #include "nf_internals.h" @@ -16,7 +17,7 @@ * for queueing and must reinject all packets it receives, no matter what. */ static struct nf_queue_handler *queue_handler[NPROTO]; -static struct nf_queue_rerouter *queue_rerouter; +static struct nf_queue_rerouter *queue_rerouter[NPROTO]; static DEFINE_RWLOCK(queue_handler_lock); @@ -64,7 +65,7 @@ int nf_register_queue_rerouter(int pf, struct nf_queue_rerouter *rer) return -EINVAL; write_lock_bh(&queue_handler_lock); - memcpy(&queue_rerouter[pf], rer, sizeof(queue_rerouter[pf])); + rcu_assign_pointer(queue_rerouter[pf], rer); write_unlock_bh(&queue_handler_lock); return 0; @@ -77,8 +78,9 @@ int nf_unregister_queue_rerouter(int pf) return -EINVAL; write_lock_bh(&queue_handler_lock); - memset(&queue_rerouter[pf], 0, sizeof(queue_rerouter[pf])); + rcu_assign_pointer(queue_rerouter[pf], NULL); write_unlock_bh(&queue_handler_lock); + synchronize_rcu(); return 0; } EXPORT_SYMBOL_GPL(nf_unregister_queue_rerouter); @@ -114,16 +116,17 @@ int nf_queue(struct sk_buff **skb, struct net_device *physindev = NULL; struct net_device *physoutdev = NULL; #endif + struct nf_queue_rerouter *rerouter; /* QUEUE == DROP if noone is waiting, to be safe. */ read_lock(&queue_handler_lock); - if (!queue_handler[pf] || !queue_handler[pf]->outfn) { + if (!queue_handler[pf]) { read_unlock(&queue_handler_lock); kfree_skb(*skb); return 1; } - info = kmalloc(sizeof(*info)+queue_rerouter[pf].rer_size, GFP_ATOMIC); + info = kmalloc(sizeof(*info)+queue_rerouter[pf]->rer_size, GFP_ATOMIC); if (!info) { if (net_ratelimit()) printk(KERN_ERR "OOM queueing packet %p\n", @@ -155,15 +158,13 @@ int nf_queue(struct sk_buff **skb, if (physoutdev) dev_hold(physoutdev); } #endif - if (queue_rerouter[pf].save) - queue_rerouter[pf].save(*skb, info); + rerouter = rcu_dereference(queue_rerouter[pf]); + if (rerouter) + rerouter->save(*skb, info); status = queue_handler[pf]->outfn(*skb, info, queuenum, queue_handler[pf]->data); - if (status >= 0 && queue_rerouter[pf].reroute) - status = queue_rerouter[pf].reroute(skb, info); - read_unlock(&queue_handler_lock); if (status < 0) { @@ -189,6 +190,7 @@ void nf_reinject(struct sk_buff *skb, struct nf_info *info, { struct list_head *elem = &info->elem->list; struct list_head *i; + struct nf_queue_rerouter *rerouter; rcu_read_lock(); @@ -212,7 +214,7 @@ void nf_reinject(struct sk_buff *skb, struct nf_info *info, break; } - if (elem == &nf_hooks[info->pf][info->hook]) { + if (i == &nf_hooks[info->pf][info->hook]) { /* The module which sent it to userspace is gone. */ NFDEBUG("%s: module disappeared, dropping packet.\n", __FUNCTION__); @@ -226,6 +228,12 @@ void nf_reinject(struct sk_buff *skb, struct nf_info *info, } if (verdict == NF_ACCEPT) { + rerouter = rcu_dereference(queue_rerouter[info->pf]); + if (rerouter && rerouter->reroute(&skb, info) < 0) + verdict = NF_DROP; + } + + if (verdict == NF_ACCEPT) { next_hook: verdict = nf_iterate(&nf_hooks[info->pf][info->hook], &skb, info->hook, @@ -322,22 +330,12 @@ int __init netfilter_queue_init(void) { #ifdef CONFIG_PROC_FS struct proc_dir_entry *pde; -#endif - queue_rerouter = kmalloc(NPROTO * sizeof(struct nf_queue_rerouter), - GFP_KERNEL); - if (!queue_rerouter) - return -ENOMEM; -#ifdef CONFIG_PROC_FS pde = create_proc_entry("nf_queue", S_IRUGO, proc_net_netfilter); - if (!pde) { - kfree(queue_rerouter); + if (!pde) return -1; - } pde->proc_fops = &nfqueue_file_ops; #endif - memset(queue_rerouter, 0, NPROTO * sizeof(struct nf_queue_rerouter)); - return 0; } diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 8206025..ae62054 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -996,13 +996,6 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb, struct sec_decap_state *xvec = &(skb->sp->x[i]); if (!xfrm_selector_match(&xvec->xvec->sel, &fl, family)) return 0; - - /* If there is a post_input processor, try running it */ - if (xvec->xvec->type->post_input && - (xvec->xvec->type->post_input)(xvec->xvec, - &(xvec->decap), - skb) != 0) - return 0; } } |