blob: 7e98b645b0d12ba9b2c5ceed8f5d026d3210e3da [file] [log] [blame]
lh9ed821d2023-04-07 01:36:19 -07001/*
2 * Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#ifndef _GNU_SOURCE
11# define _GNU_SOURCE
12#endif
13
14#include <stdlib.h>
15#include "internal/cryptlib.h"
16
17char *ossl_safe_getenv(const char *name)
18{
19#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
20# if __GLIBC_PREREQ(2, 17)
21# define SECURE_GETENV
22 return secure_getenv(name);
23# endif
24#endif
25
26#ifndef SECURE_GETENV
27 if (OPENSSL_issetugid())
28 return NULL;
29 return getenv(name);
30#endif
31}