blob: 31aad1fd009cb9f809b1bd250b5398bf2c26dd80 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/* Look up an environment variable more securely.
Copyright 2013-2015 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdlib.h>
#if !HAVE___SECURE_GETENV
# if HAVE_ISSETUGID
# include <unistd.h>
# else
# undef issetugid
# define issetugid() 1
# endif
#endif
char *
secure_getenv (char const *name)
{
#if HAVE___SECURE_GETENV
return __secure_getenv (name);
#else
if (issetugid ())
return 0;
return getenv (name);
#endif
}
|