Date: Fri, 17 Aug 2012 15:53:43 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r239356 - head/sbin/dhclient Message-ID: <201208171553.q7HFrhuf090457@svn.freebsd.org>
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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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