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- markus@cvs.openbsd.org 2004/07/28 08:56:22

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[sshd.c]
     call setsid() _before_ re-exec
This commit is contained in:
Darren Tucker 2004-08-12 22:36:51 +10:00
parent 8ae66a5032
commit 6832b83744
2 changed files with 21 additions and 17 deletions
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6
ChangeLog
View File

@ -1,5 +1,9 @@
20040812
- (dtucker) [sshd.c] Remove duplicate variable imported during sync.
- (dtucker) OpenBSD CVS Sync
- markus@cvs.openbsd.org 2004/07/28 08:56:22
[sshd.c]
call setsid() _before_ re-exec
20040720
- (djm) OpenBSD CVS Sync
@ -1567,4 +1571,4 @@
- (djm) Trim deprecated options from INSTALL. Mention UsePAM
- (djm) Fix quote handling in sftp; Patch from admorten AT umich.edu
$Id: ChangeLog,v 1.3489 2004/08/12 12:16:55 dtucker Exp $
$Id: ChangeLog,v 1.3490 2004/08/12 12:36:51 dtucker Exp $

32
sshd.c
View File

@ -42,7 +42,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: sshd.c,v 1.299 2004/07/17 05:31:41 dtucker Exp $");
RCSID("$OpenBSD: sshd.c,v 1.300 2004/07/28 08:56:22 markus Exp $");
#include <openssl/dh.h>
#include <openssl/bn.h>
@ -1548,6 +1548,21 @@ main(int ac, char **av)
/* This is the child processing a new connection. */
setproctitle("%s", "[accepted]");
/*
* Create a new session and process group since the 4.4BSD
* setlogin() affects the entire process group. We don't
* want the child to be able to affect the parent.
*/
#if !defined(SSHD_ACQUIRES_CTTY)
/*
* If setsid is called, on some platforms sshd will later acquire a
* controlling terminal which will result in "could not set
* controlling tty" errors.
*/
if (!debug_flag && !inetd_flag && setsid() < 0)
error("setsid: %.100s", strerror(errno));
#endif
if (rexec_flag) {
int fd;
@ -1587,21 +1602,6 @@ main(int ac, char **av)
sock_in, sock_out, newsock, startup_pipe, config_s[0]);
}
/*
* Create a new session and process group since the 4.4BSD
* setlogin() affects the entire process group. We don't
* want the child to be able to affect the parent.
*/
#if !defined(SSHD_ACQUIRES_CTTY)
/*
* If setsid is called, on some platforms sshd will later acquire a
* controlling terminal which will result in "could not set
* controlling tty" errors.
*/
if (!debug_flag && !inetd_flag && setsid() < 0)
error("setsid: %.100s", strerror(errno));
#endif
/*
* Disable the key regeneration alarm. We will not regenerate the
* key since we are no longer in a position to give it to anyone. We