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/* SPDX-License-Identifier: MIT */
/*
* Description: run various openat(2) tests
*
*/
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include "helpers.h"
#include "liburing.h"
static int test_close(struct io_uring *ring, int fd, int is_ring_fd)
{
struct io_uring_cqe *cqe;
struct io_uring_sqe *sqe;
int ret;
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "get sqe failed\n");
goto err;
}
io_uring_prep_close(sqe, fd);
ret = io_uring_submit(ring);
if (ret <= 0) {
fprintf(stderr, "sqe submit failed: %d\n", ret);
goto err;
}
ret = io_uring_wait_cqe(ring, &cqe);
if (ret < 0) {
if (!(is_ring_fd && ret == -EBADF)) {
fprintf(stderr, "wait completion %d\n", ret);
goto err;
}
return ret;
}
ret = cqe->res;
io_uring_cqe_seen(ring, cqe);
return ret;
err:
return -1;
}
static int test_openat(struct io_uring *ring, const char *path, int dfd)
{
struct io_uring_cqe *cqe;
struct io_uring_sqe *sqe;
int ret;
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "get sqe failed\n");
goto err;
}
io_uring_prep_openat(sqe, dfd, path, O_RDONLY, 0);
ret = io_uring_submit(ring);
if (ret <= 0) {
fprintf(stderr, "sqe submit failed: %d\n", ret);
goto err;
}
ret = io_uring_wait_cqe(ring, &cqe);
if (ret < 0) {
fprintf(stderr, "wait completion %d\n", ret);
goto err;
}
ret = cqe->res;
io_uring_cqe_seen(ring, cqe);
return ret;
err:
return -1;
}
int main(int argc, char *argv[])
{
struct io_uring ring;
const char *path, *path_rel;
int ret, do_unlink;
ret = io_uring_queue_init(8, &ring, 0);
if (ret) {
fprintf(stderr, "ring setup failed\n");
return 1;
}
if (argc > 1) {
path = "/tmp/.open.close";
path_rel = argv[1];
do_unlink = 0;
} else {
path = "/tmp/.open.close";
path_rel = ".open.close";
do_unlink = 1;
}
t_create_file(path, 4096);
if (do_unlink)
t_create_file(path_rel, 4096);
ret = test_openat(&ring, path, -1);
if (ret < 0) {
if (ret == -EINVAL) {
fprintf(stdout, "Open not supported, skipping\n");
goto done;
}
fprintf(stderr, "test_openat absolute failed: %d\n", ret);
goto err;
}
ret = test_openat(&ring, path_rel, AT_FDCWD);
if (ret < 0) {
fprintf(stderr, "test_openat relative failed: %d\n", ret);
goto err;
}
ret = test_close(&ring, ret, 0);
if (ret) {
fprintf(stderr, "test_close normal failed\n");
goto err;
}
ret = test_close(&ring, ring.ring_fd, 1);
if (ret != -EBADF) {
fprintf(stderr, "test_close ring_fd failed\n");
goto err;
}
done:
unlink(path);
if (do_unlink)
unlink(path_rel);
return 0;
err:
unlink(path);
if (do_unlink)
unlink(path_rel);
return 1;
}
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