1/*
2 * Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (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#include <openssl/crypto.h>
11#include <openssl/opensslconf.h>
12
13#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI)
14
15int OPENSSL_issetugid(void)
16{
17 return 0;
18}
19
20#elif defined(__OpenBSD__) || (defined(__FreeBSD__) && __FreeBSD__ > 2) || defined(__DragonFly__)
21
22# include <unistd.h>
23
24int OPENSSL_issetugid(void)
25{
26 return issetugid();
27}
28
29#else
30
31# include <unistd.h>
32# include <sys/types.h>
33
34int OPENSSL_issetugid(void)
35{
36# ifdef OSSL_IMPLEMENT_GETAUXVAL
37 return getauxval(AT_SECURE) != 0;
38# else
39 return getuid() != geteuid() || getgid() != getegid();
40# endif
41}
42#endif
43