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Fix dhclient to properly exit and teardown the configured lease when

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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
This commit is contained in:
John Baldwin 2012-08-17 15:53:43 +00:00
parent 2f36da87cb
commit 83f745b8b9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=239356
1 changed files with 7 additions and 0 deletions
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7
sbin/dhclient/dhclient.c
View file

@ -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();