From: Ben Noordhuis <info@bnoordhuis.nl>
Date: Sat, 3 May 2014 01:55:35 +0000 (+0200)
Subject: freebsd,linux,sunos: make stack non-executable
X-Git-Tag: v1.0.0~336
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4fae2356d105e394115188a814097c4a95ae0c5d;p=platform%2Fupstream%2Fnodejs.git

freebsd,linux,sunos: make stack non-executable

Link with -z,noexecstack to make stack memory non-executable.  Makes
shellcode injection through buffer overflows more difficult.

Fixes: https://github.com/joyent/node/issues/7542
PR-URL: https://github.com/node-forward/node/pull/8
Reviewed-By: Trevor Norris <trevnorris@gmail.com>
---

diff --git a/node.gyp b/node.gyp
index daf06c7..2f5cf0e 100644
--- a/node.gyp
+++ b/node.gyp
@@ -365,6 +365,12 @@
             'PLATFORM="sunos"',
           ],
         }],
+        [ 'OS=="freebsd" or OS=="linux"', {
+          'ldflags': [ '-Wl,-z,noexecstack' ],
+        }],
+        [ 'OS=="sunos"', {
+          'ldflags': [ '-Wl,-M,/usr/lib/ld/map.noexstk' ],
+        }],
         [
           'OS in "linux freebsd" and node_shared_v8=="false"', {
             'ldflags': [