Package: isc-dhcp
Version: 4.1.1-P1-17
Severity: normal
Tags: patch
User: ubuntu-de...@lists.ubuntu.com
Usertags: origin-ubuntu ubuntu-patch oneiric
I tried setting up a test system to use stateless DHCPv6 (RFC3736, in
which addresses are obtained using SLAAC or similar but DHCPv6 is used
for additional configuration such as DNS servers). In this mode,
/etc/resolv.conf is not currently set up correctly, because
dhclient-script incorrectly considers BOUND6/RENEW6/REBIND6 replies
without an IP address to be an error. The following patch corrects
this.
* Handle DHCPv6 BOUND6/RENEW6/REBIND6 replies that don't include an IP
address, for stateless DHCPv6.
diff --git a/debian/dhclient-script.linux b/debian/dhclient-script.linux
index 624a17e..adaf640 100644
--- a/debian/dhclient-script.linux
+++ b/debian/dhclient-script.linux
@@ -318,14 +318,12 @@ case "$reason" in
;;
BOUND6|RENEW6|REBIND6)
- if [ -z "${new_ip6_address}" ] || [ -z "${new_ip6_prefixlen}" ]; then
- exit_with_hooks 2
+ if [ "${new_ip6_address}" ] && [ "${new_ip6_prefixlen}" ]; then
+ # set leased IP
+ ip -6 addr add ${new_ip6_address}/${new_ip6_prefixlen} \
+ dev ${interface} scope global
fi
- # set leased IP
- ip -6 addr add ${new_ip6_address}/${new_ip6_prefixlen} \
- dev ${interface} scope global
-
# update /etc/resolv.conf
if [ "${reason}" = BOUND6 ] ||
[ "${new_dhcp6_name_servers}" != "${old_dhcp6_name_servers}" ] ||
Thanks,
--
Colin Watson [cjwat...@ubuntu.com]
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