void test_sss_open_cloexec_fail(void **state)
{
int fd;
int ret;
int flags = O_RDWR;
fd = sss_open_cloexec(NON_EX_PATH, flags, &ret);
assert_true(fd == -1);
assert_int_not_equal(ret, 0);
close(fd);
}
void test_sss_open_cloexec_success(void **state)
{
int fd;
int ret;
int ret_flag;
int expec_flag;
int flags = O_RDWR;
char path[PATH_MAX] = {'\0'};
fd = sss_open_cloexec(get_filepath(path), flags, &ret);
assert_true(fd != -1);
ret_flag = fcntl(fd, F_GETFD, 0);
expec_flag = FD_CLOEXEC;
assert_true(ret_flag & expec_flag);
close(fd);
unlink(path);
}
static errno_t sss_nss_mc_init_ctx(const char *name,
struct sss_cli_mc_ctx *ctx)
{
struct stat fdstat;
char *file = NULL;
int ret;
sss_nss_mc_lock();
/* check if ctx is initialised by previous thread. */
if (ctx->initialized != UNINITIALIZED) {
ret = sss_nss_check_header(ctx);
goto done;
}
ret = asprintf(&file, "%s/%s", SSS_NSS_MCACHE_DIR, name);
if (ret == -1) {
ret = ENOMEM;
goto done;
}
ctx->fd = sss_open_cloexec(file, O_RDONLY, &ret);
if (ctx->fd == -1) {
goto done;
}
ret = fstat(ctx->fd, &fdstat);
if (ret == -1) {
ret = EIO;
goto done;
}
if (fdstat.st_size < MC_HEADER_SIZE) {
ret = ENOMEM;
goto done;
}
ctx->mmap_size = fdstat.st_size;
ctx->mmap_base = mmap(NULL, ctx->mmap_size,
PROT_READ, MAP_SHARED, ctx->fd, 0);
if (ctx->mmap_base == MAP_FAILED) {
ret = ENOMEM;
goto done;
}
ret = sss_nss_check_header(ctx);
if (ret != 0) {
goto done;
}
ctx->initialized = INITIALIZED;
ret = 0;
done:
if (ret) {
sss_nss_mc_destroy_ctx(ctx);
}
free(file);
sss_nss_mc_unlock();
return ret;
}