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 | |
15 | int 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 | |
24 | int OPENSSL_issetugid(void) |
25 | { |
26 | return issetugid(); |
27 | } |
28 | |
29 | #else |
30 | |
31 | # include <unistd.h> |
32 | # include <sys/types.h> |
33 | |
34 | int 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 | |