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/* Tests of access.
Copyright (C) 2019-2023 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
#include <unistd.h>
#include "signature.h"
SIGNATURE_CHECK (access, int, (const char *, int));
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include "root-uid.h"
#include "macros.h"
/* mingw and MSVC 9 lack geteuid, so setup a dummy value. */
#if !HAVE_GETEUID
# define geteuid() ROOT_UID
#endif
#define BASE "test-access.t"
int
main ()
{
/* Remove anything from prior partial run. */
unlink (BASE "f");
unlink (BASE "f1");
chmod (BASE "f2", 0600);
unlink (BASE "f2");
{
errno = 0;
ASSERT (access (BASE "f", R_OK) == -1);
ASSERT (errno == ENOENT);
errno = 0;
ASSERT (access (BASE "f", W_OK) == -1);
ASSERT (errno == ENOENT);
errno = 0;
ASSERT (access (BASE "f", X_OK) == -1);
ASSERT (errno == ENOENT);
}
{
ASSERT (close (creat (BASE "f1", 0700)) == 0);
ASSERT (access (BASE "f1", R_OK) == 0);
ASSERT (access (BASE "f1", W_OK) == 0);
ASSERT (access (BASE "f1", X_OK) == 0);
}
{
ASSERT (close (creat (BASE "f2", 0600)) == 0);
ASSERT (chmod (BASE "f2", 0400) == 0);
ASSERT (access (BASE "f2", R_OK) == 0);
if (geteuid () != ROOT_UID)
{
errno = 0;
ASSERT (access (BASE "f2", W_OK) == -1);
ASSERT (errno == EACCES);
}
#if defined _WIN32 && !defined __CYGWIN__
/* X_OK works like R_OK. */
ASSERT (access (BASE "f2", X_OK) == 0);
#else
errno = 0;
ASSERT (access (BASE "f2", X_OK) == -1);
ASSERT (errno == EACCES);
#endif
}
/* Cleanup. */
ASSERT (unlink (BASE "f1") == 0);
ASSERT (chmod (BASE "f2", 0600) == 0);
ASSERT (unlink (BASE "f2") == 0);
return 0;
}
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