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|
#include <assert.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/xattr.h>
#include <unistd.h>
#include "helpers.h"
#include "liburing.h"
static int no_xattr;
/* Define constants. */
#define XATTR_SIZE 255
#define QUEUE_DEPTH 32
#define FILENAME "xattr.test"
#define KEY1 "user.val1"
#define KEY2 "user.val2"
#define VALUE1 "value1"
#define VALUE2 "value2-a-lot-longer"
/* Call fsetxattr. */
static int io_uring_fsetxattr(struct io_uring *ring, int fd, const char *name,
const void *value, size_t size, int flags)
{
struct io_uring_sqe *sqe;
struct io_uring_cqe *cqe;
int ret;
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "Error cannot get sqe\n");
return -1;
}
io_uring_prep_fsetxattr(sqe, fd, name, value, flags, size);
ret = io_uring_submit(ring);
if (ret != 1) {
fprintf(stderr, "Error io_uring_submit_and_wait: ret=%d\n", ret);
return -1;
}
ret = io_uring_wait_cqe(ring, &cqe);
if (ret) {
fprintf(stderr, "Error io_uring_wait_cqe: ret=%d\n", ret);
return -1;
}
ret = cqe->res;
if (ret == -EINVAL)
no_xattr = 1;
io_uring_cqe_seen(ring, cqe);
return ret;
}
/* Submit fgetxattr request. */
static int io_uring_fgetxattr(struct io_uring *ring, int fd, const char *name,
void *value, size_t size)
{
struct io_uring_sqe *sqe;
struct io_uring_cqe *cqe;
int ret;
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "Error cannot get sqe\n");
return -1;
}
io_uring_prep_fgetxattr(sqe, fd, name, value, size);
ret = io_uring_submit(ring);
if (ret != 1) {
fprintf(stderr, "Error io_uring_submit_and_wait: ret=%d\n", ret);
return -1;
}
ret = io_uring_wait_cqe(ring, &cqe);
if (ret) {
fprintf(stderr, "Error io_uring_wait_cqe: ret=%d\n", ret);
return -1;
}
ret = cqe->res;
if (ret == -1) {
fprintf(stderr, "Error couldn'tget value\n");
return -1;
}
io_uring_cqe_seen(ring, cqe);
return ret;
}
/* Call setxattr. */
static int io_uring_setxattr(struct io_uring *ring, const char *path,
const char *name, const void *value, size_t size,
int flags)
{
struct io_uring_sqe *sqe;
struct io_uring_cqe *cqe;
int ret;
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "Error cannot get sqe\n");
return -1;
}
io_uring_prep_setxattr(sqe, name, value, path, flags, size);
ret = io_uring_submit_and_wait(ring, 1);
if (ret != 1) {
fprintf(stderr, "Error io_uring_submit_and_wait: ret=%d\n", ret);
return -1;
}
ret = io_uring_wait_cqe(ring, &cqe);
if (ret) {
fprintf(stderr, "Error io_uring_wait_cqe: ret=%d\n", ret);
return -1;
}
ret = cqe->res;
io_uring_cqe_seen(ring, cqe);
return ret;
}
/* Submit getxattr request. */
static int io_uring_getxattr(struct io_uring *ring, const char *path,
const char *name, void *value, size_t size)
{
struct io_uring_sqe *sqe;
struct io_uring_cqe *cqe;
int ret;
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "Error cannot get sqe\n");
return -1;
}
io_uring_prep_getxattr(sqe, name, value, path, size);
ret = io_uring_submit(ring);
if (ret != 1) {
fprintf(stderr, "Error io_uring_submit_and_wait: ret=%d\n", ret);
return -1;
}
ret = io_uring_wait_cqe(ring, &cqe);
if (ret) {
fprintf(stderr, "Error io_uring_wait_cqe: ret=%d\n", ret);
return -1;
}
ret = cqe->res;
if (ret == -1) {
fprintf(stderr, "Error couldn'tget value\n");
return -1;
}
io_uring_cqe_seen(ring, cqe);
return ret;
}
/* Test driver for fsetxattr and fgetxattr. */
static int test_fxattr(void)
{
int rc = 0;
size_t value_len;
struct io_uring ring;
char value[XATTR_SIZE];
/* Init io-uring queue. */
int ret = io_uring_queue_init(QUEUE_DEPTH, &ring, 0);
if (ret) {
fprintf(stderr, "child: ring setup failed: %d\n", ret);
return -1;
}
/* Create the test file. */
int fd = open(FILENAME, O_CREAT | O_RDWR, 0644);
if (fd < 0) {
fprintf(stderr, "Error: cannot open file: ret=%d\n", fd);
return -1;
}
/* Test writing attributes. */
if (io_uring_fsetxattr(&ring, fd, KEY1, VALUE1, strlen(VALUE1), 0) < 0) {
if (no_xattr) {
fprintf(stdout, "No xattr support, skipping\n");
goto Exit;
}
fprintf(stderr, "Error fsetxattr cannot write key1\n");
rc = -1;
goto Exit;
}
if (io_uring_fsetxattr(&ring, fd, KEY2, VALUE2, strlen(VALUE2), 0) < 0) {
fprintf(stderr, "Error fsetxattr cannot write key1\n");
rc = -1;
goto Exit;
}
/* Test reading attributes. */
value_len = io_uring_fgetxattr(&ring, fd, KEY1, value, XATTR_SIZE);
if (value_len != strlen(value) || strncmp(value, VALUE1, value_len)) {
fprintf(stderr, "Error: fgetxattr expected value: %s, returned value: %s\n", VALUE1, value);
rc = -1;
goto Exit;
}
value_len = io_uring_fgetxattr(&ring, fd, KEY2, value, XATTR_SIZE);
if (value_len != strlen(value)|| strncmp(value, VALUE2, value_len)) {
fprintf(stderr, "Error: fgetxattr expected value: %s, returned value: %s\n", VALUE2, value);
rc = -1;
goto Exit;
}
/* Cleanup. */
Exit:
close(fd);
unlink(FILENAME);
io_uring_queue_exit(&ring);
return rc;
}
/* Test driver for setxattr and getxattr. */
static int test_xattr(void)
{
int rc = 0;
int value_len;
struct io_uring ring;
char value[XATTR_SIZE];
/* Init io-uring queue. */
int ret = io_uring_queue_init(QUEUE_DEPTH, &ring, 0);
if (ret) {
fprintf(stderr, "child: ring setup failed: %d\n", ret);
return -1;
}
/* Create the test file. */
t_create_file(FILENAME, 0);
/* Test writing attributes. */
if (io_uring_setxattr(&ring, FILENAME, KEY1, VALUE1, strlen(VALUE1), 0) < 0) {
fprintf(stderr, "Error setxattr cannot write key1\n");
rc = -1;
goto Exit;
}
if (io_uring_setxattr(&ring, FILENAME, KEY2, VALUE2, strlen(VALUE2), 0) < 0) {
fprintf(stderr, "Error setxattr cannot write key1\n");
rc = -1;
goto Exit;
}
/* Test reading attributes. */
value_len = io_uring_getxattr(&ring, FILENAME, KEY1, value, XATTR_SIZE);
if (value_len != strlen(VALUE1) || strncmp(value, VALUE1, value_len)) {
fprintf(stderr, "Error: getxattr expected value: %s, returned value: %s\n", VALUE1, value);
rc = -1;
goto Exit;
}
value_len = io_uring_getxattr(&ring, FILENAME, KEY2, value, XATTR_SIZE);
if (value_len != strlen(VALUE2) || strncmp(value, VALUE2, value_len)) {
fprintf(stderr, "Error: getxattr expected value: %s, returned value: %s\n", VALUE2, value);
rc = -1;
goto Exit;
}
/* Cleanup. */
Exit:
io_uring_queue_exit(&ring);
unlink(FILENAME);
return rc;
}
/* Test driver for failure cases of fsetxattr and fgetxattr. */
static int test_failure_fxattr(void)
{
int rc = 0;
struct io_uring ring;
char value[XATTR_SIZE];
/* Init io-uring queue. */
int ret = io_uring_queue_init(QUEUE_DEPTH, &ring, 0);
if (ret) {
fprintf(stderr, "child: ring setup failed: %d\n", ret);
return -1;
}
/* Create the test file. */
int fd = open(FILENAME, O_CREAT | O_RDWR, 0644);
if (fd < 0) {
fprintf(stderr, "Error: cannot open file: ret=%d\n", fd);
return -1;
}
/* Test writing attributes. */
assert(io_uring_fsetxattr(&ring, -1, KEY1, VALUE1, strlen(VALUE1), 0) < 0);
assert(io_uring_fsetxattr(&ring, fd, NULL, VALUE1, strlen(VALUE1), 0) < 0);
assert(io_uring_fsetxattr(&ring, fd, KEY1, NULL, strlen(VALUE1), 0) < 0);
assert(io_uring_fsetxattr(&ring, fd, KEY1, VALUE1, 0, 0) == 0);
assert(io_uring_fsetxattr(&ring, fd, KEY1, VALUE1, -1, 0) < 0);
/* Test reading attributes. */
assert(io_uring_fgetxattr(&ring, -1, KEY1, value, XATTR_SIZE) < 0);
assert(io_uring_fgetxattr(&ring, fd, NULL, value, XATTR_SIZE) < 0);
assert(io_uring_fgetxattr(&ring, fd, KEY1, value, 0) == 0);
/* Cleanup. */
close(fd);
unlink(FILENAME);
io_uring_queue_exit(&ring);
return rc;
}
/* Test driver for failure cases for setxattr and getxattr. */
static int test_failure_xattr(void)
{
int rc = 0;
struct io_uring ring;
char value[XATTR_SIZE];
/* Init io-uring queue. */
int ret = io_uring_queue_init(QUEUE_DEPTH, &ring, 0);
if (ret) {
fprintf(stderr, "child: ring setup failed: %d\n", ret);
return -1;
}
/* Create the test file. */
t_create_file(FILENAME, 0);
/* Test writing attributes. */
assert(io_uring_setxattr(&ring, "complete garbage", KEY1, VALUE1, strlen(VALUE1), 0) < 0);
assert(io_uring_setxattr(&ring, NULL, KEY1, VALUE1, strlen(VALUE1), 0) < 0);
assert(io_uring_setxattr(&ring, FILENAME, NULL, VALUE1, strlen(VALUE1), 0) < 0);
assert(io_uring_setxattr(&ring, FILENAME, KEY1, NULL, strlen(VALUE1), 0) < 0);
assert(io_uring_setxattr(&ring, FILENAME, KEY1, VALUE1, 0, 0) == 0);
/* Test reading attributes. */
assert(io_uring_getxattr(&ring, "complete garbage", KEY1, value, XATTR_SIZE) < 0);
assert(io_uring_getxattr(&ring, NULL, KEY1, value, XATTR_SIZE) < 0);
assert(io_uring_getxattr(&ring, FILENAME, NULL, value, XATTR_SIZE) < 0);
assert(io_uring_getxattr(&ring, FILENAME, KEY1, NULL, XATTR_SIZE) == 0);
assert(io_uring_getxattr(&ring, FILENAME, KEY1, value, 0) == 0);
/* Cleanup. */
io_uring_queue_exit(&ring);
unlink(FILENAME);
return rc;
}
/* Test for invalid SQE, this will cause a segmentation fault if enabled. */
static int test_invalid_sqe(void)
{
#ifdef DESTRUCTIVE_TEST
struct io_uring_sqe *sqe = NULL;
struct io_uring_cqe *cqe = NULL;
struct io_uring ring;
/* Init io-uring queue. */
int ret = io_uring_queue_init(QUEUE_DEPTH, &ring, 0);
if (ret) {
fprintf(stderr, "child: ring setup failed: %d\n", ret);
return -1;
}
/* Pass invalid SQE. */
io_uring_prep_setxattr(sqe, FILENAME, KEY1, VALUE1, strlen(VALUE1), 0);
ret = io_uring_submit(&ring);
if (ret != 1) {
fprintf(stderr, "Error io_uring_submit_and_wait: ret=%d\n", ret);
return -1;
}
ret = io_uring_wait_cqe(&ring, &cqe);
if (ret) {
fprintf(stderr, "Error io_uring_wait_cqe: ret=%d\n", ret);
return -1;
}
ret = cqe->res;
io_uring_cqe_seen(&ring, cqe);
return ret;
#else
return 0;
#endif
}
/* Test driver. */
int main(int argc, char *argv[])
{
if (argc > 1)
return 0;
if (test_fxattr())
return EXIT_FAILURE;
if (no_xattr)
return EXIT_SUCCESS;
if (test_xattr() || test_failure_fxattr() || test_failure_xattr() ||
test_invalid_sqe())
return EXIT_FAILURE;
return EXIT_SUCCESS;
}
|
