| /* |
| * Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the OpenSSL license (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| #include <openssl/crypto.h> |
| #include <openssl/opensslconf.h> |
| |
| #if defined(__OpenBSD__) || (defined(__FreeBSD__) && __FreeBSD__ > 2) || defined(__DragonFly__) |
| |
| # include OPENSSL_UNISTD |
| |
| int OPENSSL_issetugid(void) |
| { |
| return issetugid(); |
| } |
| |
| #elif defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI) |
| |
| int OPENSSL_issetugid(void) |
| { |
| return 0; |
| } |
| |
| #else |
| |
| # include OPENSSL_UNISTD |
| # include <sys/types.h> |
| |
| # if defined(__GLIBC__) && defined(__GLIBC_PREREQ) |
| # if __GLIBC_PREREQ(2, 16) |
| # include <sys/auxv.h> |
| # endif |
| # endif |
| |
| int OPENSSL_issetugid(void) |
| { |
| # ifdef AT_SECURE |
| return getauxval(AT_SECURE) != 0; |
| # else |
| return getuid() != geteuid() || getgid() != getegid(); |
| # endif |
| } |
| #endif |
