/*
- * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * 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
+#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI)
int OPENSSL_issetugid(void)
{
- return issetugid();
+ return 0;
}
-#elif defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI)
+#elif defined(__OpenBSD__) || (defined(__FreeBSD__) && __FreeBSD__ > 2) || defined(__DragonFly__)
+
+# include <unistd.h>
int OPENSSL_issetugid(void)
{
- return 0;
+ return issetugid();
}
#else
-# include OPENSSL_UNISTD
+# include <unistd.h>
# include <sys/types.h>
+# if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
+# if __GLIBC_PREREQ(2, 16)
+# include <sys/auxv.h>
+# define OSSL_IMPLEMENT_GETAUXVAL
+# endif
+# endif
+
int OPENSSL_issetugid(void)
{
- if (getuid() != geteuid())
- return 1;
- if (getgid() != getegid())
- return 1;
- return 0;
+# ifdef OSSL_IMPLEMENT_GETAUXVAL
+ return getauxval(AT_SECURE) != 0;
+# else
+ return getuid() != geteuid() || getgid() != getegid();
+# endif
}
#endif