From: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Date: Fri, 27 May 2011 18:52:06 +0000 (+0200)
Subject: Fix long time uncovered bug at adding string attributes to the netlink message
X-Git-Tag: v6.7~9
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6cdb362a88ebaf2bacd8ceac92f407b3d838203a;p=ipset

Fix long time uncovered bug at adding string attributes to the netlink message

Use the real string length instead of the maximum one when adding the
attribute.
---

diff --git a/lib/session.c b/lib/session.c
index 0e05f28..c03ed5d 100644
--- a/lib/session.c
+++ b/lib/session.c
@@ -1453,6 +1453,9 @@ rawdata2attr(struct ipset_session *session, struct nlmsghdr *nlh,
 		return 1;
 
 	switch (attr->type) {
+	case MNL_TYPE_NUL_STRING:
+		alen = strlen((const char *)d) + 1;
+		break;
 	case MNL_TYPE_U32: {
 		uint32_t value = htonl(*(const uint32_t *)d);