[src/trunk]: src/lib/libpthread Do not look at environmental variables for su...

[joerg <joerg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f3eec0d6acbc
branches:  trunk
changeset: 354878:f3eec0d6acbc
user:      joerg <joerg%NetBSD.org@localhost>
date:      Sun Jul 02 17:13:07 2017 +0000

description:
Do not look at environmental variables for suid/guid binaries.

diffstat:

 lib/libpthread/pthread.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r fa4419746479 -r f3eec0d6acbc lib/libpthread/pthread.c
--- a/lib/libpthread/pthread.c  Sun Jul 02 16:41:32 2017 +0000
+++ b/lib/libpthread/pthread.c  Sun Jul 02 17:13:07 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pthread.c,v 1.148 2017/07/02 16:41:32 joerg Exp $      */
+/*     $NetBSD: pthread.c,v 1.149 2017/07/02 17:13:07 joerg Exp $      */
 
 /*-
  * Copyright (c) 2001, 2002, 2003, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: pthread.c,v 1.148 2017/07/02 16:41:32 joerg Exp $");
+__RCSID("$NetBSD: pthread.c,v 1.149 2017/07/02 17:13:07 joerg Exp $");
 
 #define        __EXPOSE_STACK  1
 
@@ -1386,6 +1386,9 @@
        extern char **environ;
        size_t l_name, offset;
 
+       if (issetugid())
+               return (NULL);
+
        l_name = strlen(name);
        for (offset = 0; environ[offset] != NULL; offset++) {
                if (strncmp(name, environ[offset], l_name) == 0 &&