Module Name: src
Committed By: christos
Date: Sat Oct 1 04:42:55 UTC 2016
Modified Files:
src/sys/kern: tty.c
Log Message:
Require exact credential match; this way even if we su to the original user
that created the session, we won't match his credentials.
To generate a diff of this commit:
cvs rdiff -u -r1.273 -r1.274 src/sys/kern/tty.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/tty.c
diff -u src/sys/kern/tty.c:1.273 src/sys/kern/tty.c:1.274
--- src/sys/kern/tty.c:1.273 Fri Sep 30 23:46:00 2016
+++ src/sys/kern/tty.c Sat Oct 1 00:42:54 2016
@@ -1,4 +1,4 @@
-/* $NetBSD: tty.c,v 1.273 2016/10/01 03:46:00 christos Exp $ */
+/* $NetBSD: tty.c,v 1.274 2016/10/01 04:42:54 christos Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -63,7 +63,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tty.c,v 1.273 2016/10/01 03:46:00 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tty.c,v 1.274 2016/10/01 04:42:54 christos Exp $");
#ifdef _KERNEL_OPT
#include "opt_compat_netbsd.h"
@@ -1246,10 +1246,8 @@ ttioctl(struct tty *tp, u_long cmd, void
return EPERM;
if (!isctty(p, tp))
return EACCES;
- if (!proc_uidmatch(tp->t_session->s_leader->p_cred,
- p->p_cred))
+ if (tp->t_session->s_leader->p_cred != p->p_cred)
return error;
- return error;
}
(*tp->t_linesw->l_rint)(*(u_char *)data, tp);
break;
