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authorPablo Neira Ayuso <pablo@netfilter.org>2009-04-24 12:23:03 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2009-04-24 12:23:03 +0200
commitb808645ec71b7cc22cf5106b3d79625d07e6077c (patch)
tree61c454be50eea566855ad40cbe641ba3c0b3e64b /src
parent7866b938a909439fa09ea7f16f8676cdac5ea532 (diff)
downloadconntrack-tools-b808645ec71b7cc22cf5106b3d79625d07e6077c.tar.gz
conntrack-tools-b808645ec71b7cc22cf5106b3d79625d07e6077c.zip
sync: add support for DCCP state replication
This patch adds initial support for DCCP state replication. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src')
-rw-r--r--src/build.c12
-rw-r--r--src/parse.c13
2 files changed, 25 insertions, 0 deletions
diff --git a/src/build.c b/src/build.c
index 6b0fad7..a02a912 100644
--- a/src/build.c
+++ b/src/build.c
@@ -103,6 +103,16 @@ __build_sctp(const struct nf_conntrack *ct, struct nethdr *n)
addattr(n, NTA_STATE_SCTP, &data, sizeof(struct nta_attr_sctp));
}
+static inline void
+__build_dccp(const struct nf_conntrack *ct, struct nethdr *n)
+{
+ struct nta_attr_dccp data = {
+ .state = nfct_get_attr_u8(ct, ATTR_DCCP_STATE),
+ .role = nfct_get_attr_u8(ct, ATTR_DCCP_ROLE),
+ };
+ addattr(n, NTA_STATE_DCCP, &data, sizeof(struct nta_attr_dccp));
+}
+
static enum nf_conntrack_attr nat_type[] =
{ ATTR_ORIG_NAT_SEQ_CORRECTION_POS, ATTR_ORIG_NAT_SEQ_OFFSET_BEFORE,
ATTR_ORIG_NAT_SEQ_OFFSET_AFTER, ATTR_REPL_NAT_SEQ_CORRECTION_POS,
@@ -131,6 +141,8 @@ void build_payload(const struct nf_conntrack *ct, struct nethdr *n)
__build_u8(ct, ATTR_TCP_STATE, n, NTA_STATE_TCP);
else if (nfct_attr_is_set(ct, ATTR_SCTP_STATE))
__build_sctp(ct, n);
+ else if (nfct_attr_is_set(ct, ATTR_DCCP_STATE))
+ __build_dccp(ct, n);
if (!CONFIG(commit_timeout) && nfct_attr_is_set(ct, ATTR_TIMEOUT))
__build_u32(ct, ATTR_TIMEOUT, n, NTA_TIMEOUT);
diff --git a/src/parse.c b/src/parse.c
index d14910a..100177b 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -30,6 +30,7 @@ static void parse_u32(struct nf_conntrack *ct, int attr, void *data);
static void parse_group(struct nf_conntrack *ct, int attr, void *data);
static void parse_nat_seq_adj(struct nf_conntrack *ct, int attr, void *data);
static void parse_sctp(struct nf_conntrack *ct, int attr, void *data);
+static void parse_dccp(struct nf_conntrack *ct, int attr, void *data);
struct parser {
void (*parse)(struct nf_conntrack *ct, int attr, void *data);
@@ -126,6 +127,10 @@ static struct parser h[NTA_MAX] = {
.parse = parse_sctp,
.size = NTA_SIZE(sizeof(struct nta_attr_sctp)),
},
+ [NTA_STATE_DCCP] = {
+ .parse = parse_dccp,
+ .size = NTA_SIZE(sizeof(struct nta_attr_dccp)),
+ },
};
static void
@@ -182,6 +187,14 @@ parse_sctp(struct nf_conntrack *ct, int attr, void *data)
nfct_set_attr_u32(ct, ATTR_SCTP_VTAG_REPL, ntohl(this->vtag_repl));
}
+static void
+parse_dccp(struct nf_conntrack *ct, int attr, void *data)
+{
+ struct nta_attr_dccp *this = data;
+ nfct_set_attr_u8(ct, ATTR_DCCP_STATE, this->state);
+ nfct_set_attr_u8(ct, ATTR_DCCP_ROLE, this->role);
+}
+
int parse_payload(struct nf_conntrack *ct, struct nethdr *net, size_t remain)
{
int len;