Module Name: src
Committed By: pgoyette
Date: Sat Mar 25 01:39:20 UTC 2017
Modified Files:
src/tests/lib/libc/sys: t_mprotect.c
Log Message:
Rather than ghecking system global state to see if mprotect might be
enabled, use the newly-committed sysctl proc.curproc.paxflags variable
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/tests/lib/libc/sys/t_mprotect.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/lib/libc/sys/t_mprotect.c
diff -u src/tests/lib/libc/sys/t_mprotect.c:1.5 src/tests/lib/libc/sys/t_mprotect.c:1.6
--- src/tests/lib/libc/sys/t_mprotect.c:1.5 Fri Mar 24 08:18:27 2017
+++ src/tests/lib/libc/sys/t_mprotect.c Sat Mar 25 01:39:20 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: t_mprotect.c,v 1.5 2017/03/24 08:18:27 martin Exp $ */
+/* $NetBSD: t_mprotect.c,v 1.6 2017/03/25 01:39:20 pgoyette Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: t_mprotect.c,v 1.5 2017/03/24 08:18:27 martin Exp $");
+__RCSID("$NetBSD: t_mprotect.c,v 1.6 2017/03/25 01:39:20 pgoyette Exp $");
#include <sys/param.h>
#include <sys/mman.h>
@@ -62,23 +62,16 @@ static bool
paxinit(void)
{
size_t len = sizeof(int);
- int pax_global = -1;
- int pax_enabled = -1;
+ int pax_flags;
int rv;
- rv = sysctlbyname("security.pax.mprotect.global",
- &pax_global, &len, NULL, 0);
+ rv = sysctlbyname("proc.curproc.paxflags",
+ &pax_flags, &len, NULL, 0);
if (rv != 0)
return false;
- rv = sysctlbyname("security.pax.mprotect.enabled",
- &pax_enabled, &len, NULL, 0);
-
- if (rv != 0)
- return false;
-
- return pax_global == 1 && pax_enabled == 1;
+ return ((pax_flags & CTL_PROC_PAXFLAGS_MPROTECT) != 0);
}
ATF_TC_WITH_CLEANUP(mprotect_access);