diff options
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/nf_conntrack_proto_tcp.c | 11 | ||||
| -rw-r--r-- | net/netfilter/xt_sctp.c | 18 |
2 files changed, 15 insertions, 14 deletions
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index a127ab32881..7a3f64c1aca 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -834,10 +834,12 @@ static int tcp_packet(struct nf_conn *conntrack, case TCP_CONNTRACK_SYN_SENT: if (old_state < TCP_CONNTRACK_TIME_WAIT) break; - if (conntrack->proto.tcp.seen[!dir].flags & - IP_CT_TCP_FLAG_CLOSE_INIT) { - /* Attempt to reopen a closed connection. - * Delete this connection and look up again. */ + if ((conntrack->proto.tcp.seen[!dir].flags & + IP_CT_TCP_FLAG_CLOSE_INIT) + || (conntrack->proto.tcp.last_dir == dir + && conntrack->proto.tcp.last_index == TCP_RST_SET)) { + /* Attempt to reopen a closed/aborted connection. + * Delete this connection and look up again. */ write_unlock_bh(&tcp_lock); if (del_timer(&conntrack->timeout)) conntrack->timeout.function((unsigned long) @@ -925,6 +927,7 @@ static int tcp_packet(struct nf_conn *conntrack, in_window: /* From now on we have got in-window packets */ conntrack->proto.tcp.last_index = index; + conntrack->proto.tcp.last_dir = dir; pr_debug("tcp_conntracks: "); NF_CT_DUMP_TUPLE(tuple); diff --git a/net/netfilter/xt_sctp.c b/net/netfilter/xt_sctp.c index f907770fd4e..3358273a47b 100644 --- a/net/netfilter/xt_sctp.c +++ b/net/netfilter/xt_sctp.c @@ -42,21 +42,21 @@ match_flags(const struct xt_sctp_flag_info *flag_info, static inline bool match_packet(const struct sk_buff *skb, unsigned int offset, - const u_int32_t *chunkmap, - int chunk_match_type, - const struct xt_sctp_flag_info *flag_info, - const int flag_count, + const struct xt_sctp_info *info, bool *hotdrop) { u_int32_t chunkmapcopy[256 / sizeof (u_int32_t)]; sctp_chunkhdr_t _sch, *sch; + int chunk_match_type = info->chunk_match_type; + const struct xt_sctp_flag_info *flag_info = info->flag_info; + int flag_count = info->flag_count; #ifdef DEBUG_SCTP int i = 0; #endif if (chunk_match_type == SCTP_CHUNK_MATCH_ALL) - SCTP_CHUNKMAP_COPY(chunkmapcopy, chunkmap); + SCTP_CHUNKMAP_COPY(chunkmapcopy, info->chunkmap); do { sch = skb_header_pointer(skb, offset, sizeof(_sch), &_sch); @@ -73,7 +73,7 @@ match_packet(const struct sk_buff *skb, duprintf("skb->len: %d\toffset: %d\n", skb->len, offset); - if (SCTP_CHUNKMAP_IS_SET(chunkmap, sch->type)) { + if (SCTP_CHUNKMAP_IS_SET(info->chunkmap, sch->type)) { switch (chunk_match_type) { case SCTP_CHUNK_MATCH_ANY: if (match_flags(flag_info, flag_count, @@ -104,7 +104,7 @@ match_packet(const struct sk_buff *skb, switch (chunk_match_type) { case SCTP_CHUNK_MATCH_ALL: - return SCTP_CHUNKMAP_IS_CLEAR(chunkmap); + return SCTP_CHUNKMAP_IS_CLEAR(info->chunkmap); case SCTP_CHUNK_MATCH_ANY: return false; case SCTP_CHUNK_MATCH_ONLY: @@ -148,9 +148,7 @@ match(const struct sk_buff *skb, && ntohs(sh->dest) <= info->dpts[1], XT_SCTP_DEST_PORTS, info->flags, info->invflags) && SCCHECK(match_packet(skb, protoff + sizeof (sctp_sctphdr_t), - info->chunkmap, info->chunk_match_type, - info->flag_info, info->flag_count, - hotdrop), + info, hotdrop), XT_SCTP_CHUNK_TYPES, info->flags, info->invflags); } |