Set environment variable to avoid race condition with systemd (#1415218)

This commit is contained in:
Jakub Jelen 2017-02-06 09:41:32 +01:00
parent 4a6ef41937
commit 640dfa350e
1 changed files with 21 additions and 9 deletions

View File

@ -1,12 +1,24 @@
diff -up openssh-7.4p1/misc.c.daemon openssh-7.4p1/misc.c
--- openssh-7.4p1/misc.c.daemon 2017-02-03 13:08:14.751282516 +0100
+++ openssh-7.4p1/misc.c 2017-02-03 13:08:14.778282474 +0100
@@ -1273,6 +1273,9 @@ daemonized(void)
return 0; /* parent is not init */
if (getsid(0) != getpid())
return 0; /* not session leader */
+ if (getenv("_SSH_DAEMONIZED") == NULL)
+ return 0; /* already reexeced */
+
debug3("already daemonized");
return 1;
}
diff -up openssh-7.4p1/sshd.c.daemon openssh-7.4p1/sshd.c
--- openssh-7.4p1/sshd.c.daemon 2017-01-02 15:32:56.618447579 +0100
+++ openssh-7.4p1/sshd.c 2017-01-02 15:33:07.606442751 +0100
@@ -1943,7 +1943,7 @@ main(int ac, char **av)
* terminal, and fork. The original process exits.
*/
already_daemon = daemonized();
- if (!(debug_flag || inetd_flag || no_daemon_flag || already_daemon)) {
+ if (!(debug_flag || inetd_flag || no_daemon_flag /*|| already_daemon*/)) {
--- openssh-7.4p1/sshd.c.daemon 2017-02-03 13:08:14.755282510 +0100
+++ openssh-7.4p1/sshd.c 2017-02-03 13:09:29.765164356 +0100
@@ -1866,6 +1866,7 @@ main(int ac, char **av)
if (daemon(0, 0) < 0)
fatal("daemon() failed: %.200s", strerror(errno));
+ setenv("_SSH_DAEMONIZED", "1", 1);
disconnect_controlling_tty();
}
/* Reinitialize the log (because of the fork above). */