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authorPablo Neira Ayuso <pablo@netfilter.org>2018-03-14 15:14:48 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2018-03-24 21:39:44 +0100
commit89f0ea845ef570e3e9c5eb35236c85d54f4dcd52 (patch)
tree79533dbd5e2e4a908e813cb4679cce4c0facb2ed /src/parse.c
parent3feed855a6b7c9b7d5d27231b4dd3c997eebb1ac (diff)
src: synproxy support
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/parse.c')
-rw-r--r--src/parse.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/parse.c b/src/parse.c
index d5d9b59..7e524ed 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -34,6 +34,7 @@ static void ct_parse_str(struct nf_conntrack *ct,
const struct netattr *, void *data);
static void ct_parse_group(struct nf_conntrack *ct, int attr, void *data);
static void ct_parse_nat_seq_adj(struct nf_conntrack *ct, int attr, void *data);
+static void ct_parse_synproxy(struct nf_conntrack *ct, int attr, void *data);
static void ct_parse_clabel(struct nf_conntrack *ct,
const struct netattr *, void *data);
@@ -200,6 +201,10 @@ static struct ct_parser h[NTA_MAX] = {
.attr = ATTR_DNAT_IPV6,
.size = NTA_SIZE(sizeof(uint32_t) * 4),
},
+ [NTA_SYNPROXY] = {
+ .parse = ct_parse_synproxy,
+ .size = NTA_SIZE(sizeof(struct nta_attr_synproxy)),
+ },
};
static void
@@ -297,6 +302,15 @@ ct_parse_nat_seq_adj(struct nf_conntrack *ct, int attr, void *data)
ntohl(this->repl_seq_offset_after));
}
+static void ct_parse_synproxy(struct nf_conntrack *ct, int attr, void *data)
+{
+ struct nta_attr_synproxy *this = data;
+
+ nfct_set_attr_u32(ct, ATTR_SYNPROXY_ISN, ntohl(this->isn));
+ nfct_set_attr_u32(ct, ATTR_SYNPROXY_ITS, ntohl(this->its));
+ nfct_set_attr_u32(ct, ATTR_SYNPROXY_TSOFF, ntohl(this->tsoff));
+}
+
int msg2ct(struct nf_conntrack *ct, struct nethdr *net, size_t remain)
{
int len;