From 82237d0ccd4bb92c3879badaf51a8b3ed9a14ee8 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Mon, 10 Oct 2005 21:23:46 -0700
Subject: [PATCH] --- yaml --- r: 9836 b: refs/heads/master c:
 061cb4a0ec34a6e3069d5a1b3c547e55a71498c5 h: refs/heads/master v: v3

---
 [refs]                                        |  2 +-
 .../net/ipv4/netfilter/ip_conntrack_netlink.c | 37 +++++++++++++++++++
 2 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 13bf38156325..69c5ac0a3921 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 339231537506846cb232a2f0cc4a2c662b2d5b07
+refs/heads/master: 061cb4a0ec34a6e3069d5a1b3c547e55a71498c5
diff --git a/trunk/net/ipv4/netfilter/ip_conntrack_netlink.c b/trunk/net/ipv4/netfilter/ip_conntrack_netlink.c
index 06ed91ee8ace..166e6069f121 100644
--- a/trunk/net/ipv4/netfilter/ip_conntrack_netlink.c
+++ b/trunk/net/ipv4/netfilter/ip_conntrack_netlink.c
@@ -949,6 +949,31 @@ ctnetlink_change_timeout(struct ip_conntrack *ct, struct nfattr *cda[])
 	return 0;
 }
 
+static inline int
+ctnetlink_change_protoinfo(struct ip_conntrack *ct, struct nfattr *cda[])
+{
+	struct nfattr *tb[CTA_PROTOINFO_MAX], *attr = cda[CTA_PROTOINFO-1];
+	struct ip_conntrack_protocol *proto;
+	u_int16_t npt = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum;
+	int err = 0;
+
+	if (nfattr_parse_nested(tb, CTA_PROTOINFO_MAX, attr) < 0)
+		goto nfattr_failure;
+
+	proto = ip_conntrack_proto_find_get(npt);
+	if (!proto)
+		return -EINVAL;
+
+	if (proto->from_nfattr)
+		err = proto->from_nfattr(tb, ct);
+	ip_conntrack_proto_put(proto); 
+
+	return err;
+
+nfattr_failure:
+	return -ENOMEM;
+}
+
 static int
 ctnetlink_change_conntrack(struct ip_conntrack *ct, struct nfattr *cda[])
 {
@@ -974,6 +999,12 @@ ctnetlink_change_conntrack(struct ip_conntrack *ct, struct nfattr *cda[])
 			return err;
 	}
 
+	if (cda[CTA_PROTOINFO-1]) {
+		err = ctnetlink_change_protoinfo(ct, cda);
+		if (err < 0)
+			return err;
+	}
+
 	DEBUGP("all done\n");
 	return 0;
 }
@@ -1003,6 +1034,12 @@ ctnetlink_create_conntrack(struct nfattr *cda[],
 	if (err < 0)
 		goto err;
 
+	if (cda[CTA_PROTOINFO-1]) {
+		err = ctnetlink_change_protoinfo(ct, cda);
+		if (err < 0)
+			return err;
+	}
+
 	ct->helper = ip_conntrack_helper_find_get(rtuple);
 
 	add_timer(&ct->timeout);