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-rw-r--r--debian/tests/getpid.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/debian/tests/getpid.c b/debian/tests/getpid.c
new file mode 100644
index 000000000..c9e35b87e
--- /dev/null
+++ b/debian/tests/getpid.c
@@ -0,0 +1,39 @@
1/*
2 * Compile:
3
4gcc -fPIC -c getpid.c -o getpid.o
5gcc -shared -o getpid.so getpid.o
6
7 * Use:
8
9FORCE_PID=1234 LD_PRELOAD=./getpid.so bash
10
11#
12# Copyright (C) 2001-2008 Kees Cook
13# kees@outflux.net, http://outflux.net/
14#
15# This program is free software; you can redistribute it and/or
16# modify it under the terms of the GNU General Public License
17# as published by the Free Software Foundation; either version 2
18# of the License, or (at your option) any later version.
19#
20# This program is distributed in the hope that it will be useful,
21# but WITHOUT ANY WARRANTY; without even the implied warranty of
22# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23# GNU General Public License for more details.
24#
25# You should have received a copy of the GNU General Public License
26# along with this program; if not, write to the Free Software
27# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28# http://www.gnu.org/copyleft/gpl.html
29
30*/
31
32#include <sys/types.h>
33#include <unistd.h>
34#include <stdlib.h>
35
36pid_t getpid(void)
37{
38 return atoi(getenv("FORCE_PID"));
39}