131 lines
3.3 KiB
C
131 lines
3.3 KiB
C
#include <unistd.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include "test.h"
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// ============================================================================
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// Helper macro
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// ============================================================================
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#define CREATION_FLAGS_MASK (O_CLOEXEC | O_CREAT| O_DIRECTORY | O_EXCL | \
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O_NOCTTY | O_NOFOLLOW | O_TMPFILE | O_TRUNC)
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// ============================================================================
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// Test cases for fcntl
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// ============================================================================
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static int __fcntl_getfl(int fd, int open_flags) {
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int actual_flags;
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actual_flags = fcntl(fd, F_GETFL);
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open_flags &= ~CREATION_FLAGS_MASK;
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open_flags |= O_LARGEFILE;
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if (open_flags != actual_flags) {
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THROW_ERROR("check getfl failed");
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}
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return 0;
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}
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static int __fcntl_setfl(int fd, int open_flags) {
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int ret, actual_flags;
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ret = fcntl(fd, F_SETFL, open_flags & ~O_APPEND);
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if (ret < 0) {
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THROW_ERROR("failed to call setfl");
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}
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actual_flags = fcntl(fd, F_GETFL);
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if ((actual_flags & O_APPEND) != 0) {
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THROW_ERROR("failed to check getfl after setfl");
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}
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return 0;
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}
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static int __fcntl_getlk_and_setlk(int fd, int open_flags) {
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int ret;
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struct flock fl = { F_WRLCK, SEEK_SET, 0, 0, 0 };
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// getlk
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ret = fcntl(fd, F_GETLK, &fl);
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if (ret < 0) {
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THROW_ERROR("failed to call getlk");
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}
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if (fl.l_type != F_UNLCK) {
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THROW_ERROR("failed to get correct fl type");
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}
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// setlk
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if ((open_flags & O_WRONLY) || (open_flags & O_RDWR))
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fl.l_type = F_WRLCK;
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else
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fl.l_type = F_RDLCK;
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ret = fcntl(fd, F_SETLK, &fl);
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if (ret < 0) {
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THROW_ERROR("failed to call setlk");
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}
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return 0;
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}
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static int __fcntl_dupfd(int fd, int open_flags) {
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if (fcntl(fd, F_DUPFD, 0) < 0)
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THROW_ERROR("failed to duplicate the fd");
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return 0;
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}
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typedef int(*test_fcntl_func_t)(int fd, int open_flags);
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static int test_fcntl_framework(test_fcntl_func_t fn) {
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const char *file_path = "/root/test_fcntl_file.txt";
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int open_flags = O_RDWR | O_CREAT | O_TRUNC | O_APPEND;
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int mode = 00666;
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int fd, ret;
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fd = open(file_path, open_flags, mode);
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if (fd < 0) {
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THROW_ERROR("failed to open & create file");
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}
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if (fn(fd, open_flags) < 0)
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return -1;
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close(fd);
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ret = unlink(file_path);
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if (ret < 0) {
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THROW_ERROR("failed to unlink the created file");
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}
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return 0;
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}
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static int test_fcntl_getfl() {
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return test_fcntl_framework(__fcntl_getfl);
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}
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static int test_fcntl_setfl() {
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return test_fcntl_framework(__fcntl_setfl);
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}
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static int test_getlk_and_setlk() {
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return test_fcntl_framework(__fcntl_getlk_and_setlk);
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}
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static int test_fcntl_dupfd() {
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return test_fcntl_framework(__fcntl_dupfd);
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}
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// ============================================================================
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// Test suite
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// ============================================================================
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static test_case_t test_cases[] = {
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TEST_CASE(test_fcntl_getfl),
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TEST_CASE(test_fcntl_setfl),
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TEST_CASE(test_getlk_and_setlk),
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TEST_CASE(test_fcntl_dupfd),
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};
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int main() {
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return test_suite_run(test_cases, ARRAY_SIZE(test_cases));
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}
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