Author: jhb
Date: Fri Aug 17 15:53:43 2012
New Revision: 239356
URL: http://svn.freebsd.org/changeset/base/239356
Log:
Fix dhclient to properly exit and teardown the configured lease when
link is lost. devd will start a new dhclient instance when link is
restored.
PR: bin/166656
Submitted by: Peter Jeremy (mostly)
Reviewed by: brooks (earlier version from Peter)
MFC after: 1 month
Modified:
head/sbin/dhclient/dhclient.c
Modified: head/sbin/dhclient/dhclient.c
==============================================================================
--- head/sbin/dhclient/dhclient.c Fri Aug 17 14:22:56 2012
(r239355)
+++ head/sbin/dhclient/dhclient.c Fri Aug 17 15:53:43 2012
(r239356)
@@ -278,6 +278,11 @@ routehandler(struct protocol *p)
ifi->name);
goto die;
}
+ if (!interface_link_status(ifi->name)) {
+ warning("Interface %s is down, dhclient exiting",
+ ifi->name);
+ goto die;
+ }
break;
case RTM_IFANNOUNCE:
ifan = (struct if_announcemsghdr *)rtm;
@@ -316,6 +321,8 @@ routehandler(struct protocol *p)
die:
script_init("FAIL", NULL);
+ if (ifi->client->active)
+ script_write_params("old_", ifi->client->active);
if (ifi->client->alias)
script_write_params("alias_", ifi->client->alias);
script_go();
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