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/*
* Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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
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