101 lines
3.4 KiB
C
101 lines
3.4 KiB
C
/* Test checking user's permissions for a file.
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Copyright (C) 2011-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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#include <unistd.h>
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#include "signature.h"
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SIGNATURE_CHECK (faccessat, int, (int, const char *, int, int));
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#include <errno.h>
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#include <fcntl.h>
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#include "macros.h"
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#define BASE "test-faccessat.t"
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int
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main (void)
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{
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/* Test behaviour for invalid file descriptors. */
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{
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errno = 0;
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ASSERT (faccessat (-1, "foo", F_OK, 0) == -1);
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ASSERT (errno == EBADF);
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}
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{
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close (99);
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errno = 0;
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ASSERT (faccessat (99, "foo", F_OK, 0) == -1);
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ASSERT (errno == EBADF);
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}
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/* Test behavior with trailing slash. */
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unlink (BASE "file");
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ASSERT (faccessat (AT_FDCWD, ".", X_OK, 0) == 0);
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ASSERT (faccessat (AT_FDCWD, "./", X_OK, 0) == 0);
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ASSERT (close (open (BASE "file", O_CREAT | O_WRONLY, 0)) == 0);
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ASSERT (faccessat (AT_FDCWD, BASE "file", F_OK, 0) == 0);
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ASSERT (faccessat (AT_FDCWD, BASE "file/", F_OK, 0) != 0);
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ASSERT (errno == ENOTDIR);
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ASSERT (faccessat (AT_FDCWD, BASE "file/", R_OK, 0) != 0);
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ASSERT (errno == ENOTDIR);
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ASSERT (faccessat (AT_FDCWD, BASE "file/", W_OK, 0) != 0);
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ASSERT (errno == ENOTDIR);
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ASSERT (faccessat (AT_FDCWD, BASE "file/", X_OK, 0) != 0);
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ASSERT (errno == ENOTDIR);
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unlink (BASE "link1");
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if (symlink (".", BASE "link1") == 0)
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{
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ASSERT (faccessat (AT_FDCWD, BASE "link1", X_OK, 0) == 0);
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ASSERT (faccessat (AT_FDCWD, BASE "link1/", X_OK, 0) == 0);
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unlink (BASE "link2");
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ASSERT (symlink (BASE "file", BASE "link2") == 0);
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ASSERT (faccessat (AT_FDCWD, BASE "link2", F_OK, 0) == 0);
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ASSERT (faccessat (AT_FDCWD, BASE "link2/", F_OK, 0) != 0);
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ASSERT (errno == ENOTDIR);
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ASSERT (faccessat (AT_FDCWD, BASE "link2/", R_OK, 0) != 0);
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ASSERT (errno == ENOTDIR || errno == EACCES);
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ASSERT (faccessat (AT_FDCWD, BASE "link2/", W_OK, 0) != 0);
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ASSERT (errno == ENOTDIR || errno == EACCES);
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ASSERT (faccessat (AT_FDCWD, BASE "link2/", X_OK, 0) != 0);
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ASSERT (errno == ENOTDIR || errno == EACCES);
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unlink (BASE "link2");
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unlink (BASE "link3");
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ASSERT (symlink (BASE "no-such-file", BASE "link3") == 0);
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ASSERT (faccessat (AT_FDCWD, BASE "link3", F_OK, 0) != 0);
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ASSERT (errno == ENOENT);
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ASSERT (faccessat (AT_FDCWD, BASE "link3/", F_OK, 0) != 0);
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ASSERT (errno == ENOENT);
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ASSERT (faccessat (AT_FDCWD, BASE "link3/", R_OK, 0) != 0);
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ASSERT (errno == ENOENT);
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ASSERT (faccessat (AT_FDCWD, BASE "link3/", W_OK, 0) != 0);
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ASSERT (errno == ENOENT);
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ASSERT (faccessat (AT_FDCWD, BASE "link3/", X_OK, 0) != 0);
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ASSERT (errno == ENOENT);
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unlink (BASE "link3");
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}
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unlink (BASE "link1");
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unlink (BASE "file");
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return test_exit_status;
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}
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