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#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include <unistd.h>
#include <stdlib.h>
#include <grp.h>
#include <errno.h>
static void test_nwrap_initgroups(void **state)
{
gid_t gid = 10000;
int ret, i;
int ngroups;
const char *env = getenv("UID_WRAPPER");
(void)state; /* unused */
/* initgroups() sets {10000, 1000, 1002, 100010, 100011, 100012} */
ret = initgroups("alice", gid);
assert_return_code(ret, errno);
/*
* nss_wrapper() in nwrap_initgroups() makes early return if UID_WRAPPER
* is not present. The reason is that we need privilege for setgroups()
* called from initgroups() and we get it only with UID_WRAPPER
*/
if (env != NULL && env[0] == '1') {
gid_t groups1[6] = {10000, 1000, 1002, 100010, 100011, 100012};
gid_t *groups2 = malloc(10 * sizeof(gid_t));
assert_non_null(groups2);
ngroups = getgroups(10, groups2); /* room for 10, expect 6 */
assert_int_equal(ngroups, 6);
for (i = 0; i < 6; i++) {
assert_int_equal(groups1[i], groups2[i]);
}
free(groups2);
}
}
int main(void)
{
int rc;
const struct CMUnitTest tests[] = {
cmocka_unit_test(test_nwrap_initgroups)
};
rc = cmocka_run_group_tests(tests, NULL, NULL);
return rc;
}
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