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- dtucker@cvs.openbsd.org 2011/06/03 01:37:40 

[ssh-agent.c]
     Check current parent process ID against saved one to determine if the parent
     has exited, rather than attempting to send a zero signal, since the latter
     won't work if the parent has changed privs.  bz#1905, patch from Daniel Kahn
     Gillmor, ok djm@
This commit is contained in:
Darren Tucker 2011-06-03 14:14:16 +10:00
parent c09182f613
commit 3e78a516a0
2 changed files with 12 additions and 2 deletions
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6
ChangeLog
View File

@ -17,6 +17,12 @@
AT googlemail.com; ok dtucker@
NB. includes additional portability code to enable setproctitle emulation
on platforms that don't support it.
- dtucker@cvs.openbsd.org 2011/06/03 01:37:40
[ssh-agent.c]
Check current parent process ID against saved one to determine if the parent
has exited, rather than attempting to send a zero signal, since the latter
won't work if the parent has changed privs. bz#1905, patch from Daniel Kahn
Gillmor, ok djm@
20110529
- (djm) OpenBSD CVS Sync

8
ssh-agent.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: ssh-agent.c,v 1.171 2010/11/21 01:01:13 djm Exp $ */
/* $OpenBSD: ssh-agent.c,v 1.172 2011/06/03 01:37:40 dtucker Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -1097,7 +1097,11 @@ cleanup_handler(int sig)
static void
check_parent_exists(void)
{
if (parent_pid != -1 && kill(parent_pid, 0) < 0) {
/*
* If our parent has exited then getppid() will return (pid_t)1,
* so testing for that should be safe.
*/
if (parent_pid != -1 && getppid() != parent_pid) {
/* printf("Parent has died - Authentication agent exiting.\n"); */
cleanup_socket();
_exit(2);