* src/su.c: non PAM enabled versions: do not fail if su is called

without a controlling terminal. Ignore ENXIO errors when opening
	/dev/tty.

ChangeLog

@@ -1,3 +1,15 @@
+2012-05-20  Nicolas François  <nicolas.francois@centraliens.net>
+
+	* src/su.c: non PAM enabled versions: do not fail if su is called
+	without a controlling terminal. Ignore ENXIO errors when opening
+	/dev/tty.
+
+2012-05-20  Nicolas François  <nicolas.francois@centraliens.net>
+
+	* src/useradd.c: Cleanup, return code 13 no more used.
+	* man/useradd.8.xml: Document return code 14, and remove return
+	code 13.
+
 2012-05-20  Nicolas François  <nicolas.francois@centraliens.net>
 
 	* NEWS, man/generate_mans.mak: Generate manpages in man1, man3,

NEWS

@@ -5,6 +5,9 @@ shadow-4.1.5 -> shadow-4.1.5.1					UNRELEASED
 - login
   * Log into utmp(x) when PAM is enabled, but do not log into wtmp.
     This complete pam_lastlog which logs into wtmp and in into utmp(x).
+- su
+  * non PAM enabled versions: do not fail if su is called without a
+    controlling terminal.
 - userdel
   * Fix segfault when userdel removes the user's group.
 

src/su.c

@@ -1092,6 +1092,9 @@ int main (int argc, char **argv)
 		if (fd >= 0) {
 			err = ioctl (fd, TIOCNOTTY, (char *) 0);
 			(void) close (fd);
+		} else if (ENXIO == errno) {
+			/* There are no controlling terminal already */
+			err = 0;
 		}
 #endif				/* USE_PAM */