99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org>
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*
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* Basic openat2() test.
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*/
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#include "tst_test.h"
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#include "lapi/openat2.h"
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#define TEST_FILE "test_file"
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#define TEST_DIR "test_dir"
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static struct open_how *how;
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static struct open_how_pad *phow;
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static int dir_fd = -1, fd_atcwd = AT_FDCWD;
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static struct tcase {
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int *dfd;
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const char *pathname;
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uint64_t flags;
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uint64_t mode;
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uint64_t resolve;
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struct open_how **how;
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size_t size;
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} tcases[] = {
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{&dir_fd, TEST_FILE, O_RDWR, S_IRWXU, 0, &how, sizeof(*how)},
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{&dir_fd, TEST_FILE, O_RDONLY, S_IRUSR, 0, &how, sizeof(*how)},
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{&dir_fd, TEST_FILE, O_WRONLY, S_IWUSR, 0, &how, sizeof(*how)},
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{&dir_fd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_NO_XDEV, &how, sizeof(*how)},
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{&dir_fd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_NO_MAGICLINKS, &how, sizeof(*how)},
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{&dir_fd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_NO_SYMLINKS, &how, sizeof(*how)},
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{&dir_fd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_BENEATH, &how, sizeof(*how)},
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{&dir_fd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_IN_ROOT, &how, sizeof(*how)},
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{&fd_atcwd, TEST_FILE, O_RDWR, S_IRWXU, 0, &how, sizeof(*how)},
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{&fd_atcwd, TEST_FILE, O_RDONLY, S_IRUSR, 0, &how, sizeof(*how)},
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{&fd_atcwd, TEST_FILE, O_WRONLY, S_IWUSR, 0, &how, sizeof(*how)},
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{&fd_atcwd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_NO_XDEV, &how, sizeof(*how)},
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{&fd_atcwd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_NO_MAGICLINKS, &how, sizeof(*how)},
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{&fd_atcwd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_NO_SYMLINKS, &how, sizeof(*how)},
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{&fd_atcwd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_BENEATH, &how, sizeof(*how)},
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{&fd_atcwd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_IN_ROOT, (struct open_how **)&phow, sizeof(*how) + 8},
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};
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static void cleanup(void)
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{
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if (dir_fd != -1)
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SAFE_CLOSE(dir_fd);
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}
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static void setup(void)
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{
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openat2_supported_by_kernel();
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phow->pad = 0x00;
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SAFE_MKDIR(TEST_DIR, 0700);
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dir_fd = SAFE_OPEN(TEST_DIR, O_DIRECTORY);
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}
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static void run(unsigned int n)
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{
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int fd;
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struct stat file_stat;
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struct tcase *tc = &tcases[n];
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struct open_how *myhow = *tc->how;
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myhow->flags = tc->flags | O_CREAT;
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myhow->mode = tc->mode;
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myhow->resolve = tc->resolve;
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TEST(fd = openat2(*tc->dfd, tc->pathname, myhow, tc->size));
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if (fd < 0) {
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tst_res(TFAIL | TTERRNO, "openat2() failed (%d)", n);
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return;
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}
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SAFE_FSTAT(fd, &file_stat);
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if (file_stat.st_size == 0)
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tst_res(TPASS, "openat2() passed (%d)", n);
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else
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tst_res(TFAIL, "fstat() didn't work as expected (%d)", n);
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SAFE_CLOSE(fd);
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}
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static struct tst_test test = {
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.tcnt = ARRAY_SIZE(tcases),
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.test = run,
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.setup = setup,
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.cleanup = cleanup,
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.needs_tmpdir = 1,
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.bufs = (struct tst_buffers []) {
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{&how, .size = sizeof(*how)},
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{&phow, .size = sizeof(*phow)},
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{},
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},
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};
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