From: Hans Dedecker <dedeckeh@gmail.com>
Date: Sat, 18 Mar 2017 17:00:03 +0000 (+0100)
Subject: dhcpv6: don't return renew msg in case of invalid msg type in reconfigure msg
X-Git-Url: http://git.openwrt.org/?p=project%2Fodhcp6c.git;a=commitdiff_plain;h=89822de45f02f3cf7afcbeed64abe62934164199

dhcpv6: don't return renew msg in case of invalid msg type in reconfigure msg

Return -1 in case the msg type in the reconfigure message is invalid and
as such don't start sending renew messages.

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
---

diff --git a/src/dhcpv6.c b/src/dhcpv6.c
index 71e1cc2..17b5150 100644
--- a/src/dhcpv6.c
+++ b/src/dhcpv6.c
@@ -801,7 +801,8 @@ static int dhcpv6_handle_reconfigure(_unused enum dhcpv6_msg orig, const int rc,
 		const void *opt, const void *end, _unused const struct sockaddr_in6 *from)
 {
 	uint16_t otype, olen;
-	uint8_t *odata, msg = DHCPV6_MSG_RENEW;
+	uint8_t *odata;
+	int msg = -1;
 
 	dhcpv6_for_each_option(opt, end, otype, olen, odata) {
 		if (otype == DHCPV6_OPT_RECONF_MESSAGE && olen == 1 && (