diff options
Diffstat (limited to 'net/ipv4/netfilter.c')
| -rw-r--r-- | net/ipv4/netfilter.c | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c index 5539deb..9a904c6 100644 --- a/net/ipv4/netfilter.c +++ b/net/ipv4/netfilter.c @@ -7,6 +7,7 @@ #include <net/route.h> #include <net/xfrm.h> #include <net/ip.h> +#include <net/netfilter/nf_queue.h> /* route_me_harder function, used by iptable_nat, iptable_mangle + ip_queue */ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type) @@ -18,12 +19,12 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type) unsigned int hh_len; unsigned int type; - type = inet_addr_type(iph->saddr); + type = inet_addr_type(&init_net, iph->saddr); if (addr_type == RTN_UNSPEC) addr_type = type; /* some non-standard hacks like ipt_REJECT.c:send_reset() can cause - * packets with foreign saddr to appear on the NF_IP_LOCAL_OUT hook. + * packets with foreign saddr to appear on the NF_INET_LOCAL_OUT hook. */ if (addr_type == RTN_LOCAL) { fl.nl_u.ip4_u.daddr = iph->daddr; @@ -32,7 +33,7 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type) fl.nl_u.ip4_u.tos = RT_TOS(iph->tos); fl.oif = skb->sk ? skb->sk->sk_bound_dev_if : 0; fl.mark = skb->mark; - if (ip_route_output_key(&rt, &fl) != 0) + if (ip_route_output_key(&init_net, &rt, &fl) != 0) return -1; /* Drop old route. */ @@ -42,7 +43,7 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type) /* non-local src, find valid iif to satisfy * rp-filter when calling ip_route_input. */ fl.nl_u.ip4_u.daddr = iph->saddr; - if (ip_route_output_key(&rt, &fl) != 0) + if (ip_route_output_key(&init_net, &rt, &fl) != 0) return -1; odst = skb->dst; @@ -122,11 +123,12 @@ struct ip_rt_info { u_int8_t tos; }; -static void nf_ip_saveroute(const struct sk_buff *skb, struct nf_info *info) +static void nf_ip_saveroute(const struct sk_buff *skb, + struct nf_queue_entry *entry) { - struct ip_rt_info *rt_info = nf_info_reroute(info); + struct ip_rt_info *rt_info = nf_queue_entry_reroute(entry); - if (info->hook == NF_IP_LOCAL_OUT) { + if (entry->hook == NF_INET_LOCAL_OUT) { const struct iphdr *iph = ip_hdr(skb); rt_info->tos = iph->tos; @@ -135,11 +137,12 @@ static void nf_ip_saveroute(const struct sk_buff *skb, struct nf_info *info) } } -static int nf_ip_reroute(struct sk_buff *skb, const struct nf_info *info) +static int nf_ip_reroute(struct sk_buff *skb, + const struct nf_queue_entry *entry) { - const struct ip_rt_info *rt_info = nf_info_reroute(info); + const struct ip_rt_info *rt_info = nf_queue_entry_reroute(entry); - if (info->hook == NF_IP_LOCAL_OUT) { + if (entry->hook == NF_INET_LOCAL_OUT) { const struct iphdr *iph = ip_hdr(skb); if (!(iph->tos == rt_info->tos @@ -158,7 +161,7 @@ __sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook, switch (skb->ip_summed) { case CHECKSUM_COMPLETE: - if (hook != NF_IP_PRE_ROUTING && hook != NF_IP_LOCAL_IN) + if (hook != NF_INET_PRE_ROUTING && hook != NF_INET_LOCAL_IN) break; if ((protocol == 0 && !csum_fold(skb->csum)) || !csum_tcpudp_magic(iph->saddr, iph->daddr, @@ -182,9 +185,15 @@ __sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook, EXPORT_SYMBOL(nf_ip_checksum); -static struct nf_afinfo nf_ip_afinfo = { +static int nf_ip_route(struct dst_entry **dst, struct flowi *fl) +{ + return ip_route_output_key(&init_net, (struct rtable **)dst, fl); +} + +static const struct nf_afinfo nf_ip_afinfo = { .family = AF_INET, .checksum = nf_ip_checksum, + .route = nf_ip_route, .saveroute = nf_ip_saveroute, .reroute = nf_ip_reroute, .route_key_size = sizeof(struct ip_rt_info), @@ -202,3 +211,13 @@ static void ipv4_netfilter_fini(void) module_init(ipv4_netfilter_init); module_exit(ipv4_netfilter_fini); + +#ifdef CONFIG_SYSCTL +struct ctl_path nf_net_ipv4_netfilter_sysctl_path[] = { + { .procname = "net", .ctl_name = CTL_NET, }, + { .procname = "ipv4", .ctl_name = NET_IPV4, }, + { .procname = "netfilter", .ctl_name = NET_IPV4_NETFILTER, }, + { } +}; +EXPORT_SYMBOL_GPL(nf_net_ipv4_netfilter_sysctl_path); +#endif /* CONFIG_SYSCTL */ |