diff options
Diffstat (limited to 'net/netfilter/nf_tproxy_core.c')
| -rw-r--r-- | net/netfilter/nf_tproxy_core.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/net/netfilter/nf_tproxy_core.c b/net/netfilter/nf_tproxy_core.c index 5490fc3..8589e5e 100644 --- a/net/netfilter/nf_tproxy_core.c +++ b/net/netfilter/nf_tproxy_core.c @@ -22,21 +22,34 @@ struct sock * nf_tproxy_get_sock_v4(struct net *net, const u8 protocol, const __be32 saddr, const __be32 daddr, const __be16 sport, const __be16 dport, - const struct net_device *in, bool listening_only) + const struct net_device *in, int lookup_type) { struct sock *sk; /* look up socket */ switch (protocol) { case IPPROTO_TCP: - if (listening_only) - sk = __inet_lookup_listener(net, &tcp_hashinfo, - daddr, ntohs(dport), - in->ifindex); - else + switch (lookup_type) { + case NFT_LOOKUP_ANY: sk = __inet_lookup(net, &tcp_hashinfo, saddr, sport, daddr, dport, in->ifindex); + break; + case NFT_LOOKUP_LISTENER: + sk = inet_lookup_listener(net, &tcp_hashinfo, + daddr, dport, + in->ifindex); + break; + case NFT_LOOKUP_ESTABLISHED: + sk = inet_lookup_established(net, &tcp_hashinfo, + saddr, sport, daddr, dport, + in->ifindex); + break; + default: + WARN_ON(1); + sk = NULL; + break; + } break; case IPPROTO_UDP: sk = udp4_lib_lookup(net, saddr, sport, daddr, dport, @@ -47,8 +60,8 @@ nf_tproxy_get_sock_v4(struct net *net, const u8 protocol, sk = NULL; } - pr_debug("tproxy socket lookup: proto %u %08x:%u -> %08x:%u, listener only: %d, sock %p\n", - protocol, ntohl(saddr), ntohs(sport), ntohl(daddr), ntohs(dport), listening_only, sk); + pr_debug("tproxy socket lookup: proto %u %08x:%u -> %08x:%u, lookup type: %d, sock %p\n", + protocol, ntohl(saddr), ntohs(sport), ntohl(daddr), ntohs(dport), lookup_type, sk); return sk; } |
