crypto/uid.c

   1 /*
   2  * Copyright 2001-2016 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 #include <openssl/crypto.h>
  11 #include <openssl/opensslconf.h>
  12
  13 #if defined(__OpenBSD__) || (defined(__FreeBSD__) && __FreeBSD__ > 2)
  14
  15 # include OPENSSL_UNISTD
  16
  17 int OPENSSL_issetugid(void)
  18 {
  19     return issetugid();
  20 }
  21
  22 #elif defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VXWORKS)
  23
  24 int OPENSSL_issetugid(void)
  25 {
  26     return 0;
  27 }
  28
  29 #else
  30
  31 # include OPENSSL_UNISTD
  32 # include <sys/types.h>
  33
  34 int OPENSSL_issetugid(void)
  35 {
  36     if (getuid() != geteuid())
  37         return 1;
  38     if (getgid() != getegid())
  39         return 1;
  40     return 0;
  41 }
  42 #endif