From: Steven Barth <steven@midlink.org>
Date: Thu, 6 Nov 2014 13:36:19 +0000 (+0100)
Subject: DHCPv6: enable flash-renumbering hack only for /64 prefixes
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=3b628005e66e90770b2757a4a02c1dee25ccb883;p=oweals%2Fodhcpd.git

DHCPv6: enable flash-renumbering hack only for /64 prefixes
---

diff --git a/src/dhcpv6-ia.c b/src/dhcpv6-ia.c
index b21b39e..d103ecb 100644
--- a/src/dhcpv6-ia.c
+++ b/src/dhcpv6-ia.c
@@ -810,7 +810,8 @@ static size_t append_reply(uint8_t *buf, size_t buflen, uint16_t status,
 					n.addr.s6_addr32[3] = htonl(a->assigned);
 					size_t entrlen = sizeof(n) - 4;
 
-					if (!a->accept_reconf && iface->managed < RELAYD_MANAGED_NO_AFLAG)
+					if (!a->accept_reconf && iface->managed < RELAYD_MANAGED_NO_AFLAG &&
+							addrs[i].prefix == 64)
 						n.preferred = htonl(1);
 
 #ifdef DHCPV6_OPT_PREFIX_CLASS