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#include "config.h"
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <grp.h>
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
static void test_uwrap_getgroups(void **state)
{
gid_t rlist[20] = {0};
int num_groups;
int rc;
(void) state; /* unused */
num_groups = getgroups(0, NULL);
assert_int_not_equal(num_groups, -1);
rc = getgroups(ARRAY_SIZE(rlist), rlist);
assert_int_equal(rc, num_groups);
assert_int_equal(rlist[0], getegid());
}
static void test_uwrap_setgroups(void **state)
{
gid_t glist[] = { 100, 200, 300, 400, 500 };
gid_t rlist[16];
int rc;
(void) state; /* unused */
rc = setgroups(ARRAY_SIZE(glist), glist);
assert_int_equal(rc, 0);
rc = getgroups(ARRAY_SIZE(rlist), rlist);
assert_int_equal(rc, 5);
assert_memory_equal(glist, rlist, sizeof(glist));
/* Drop all supplementary groups. This is often done by daemons */
memset(rlist, 0, sizeof(rlist));
rc = setgroups(0, NULL);
assert_int_equal(rc, 0);
rc = getgroups(ARRAY_SIZE(rlist), rlist);
assert_int_equal(rc, 0);
assert_int_equal(rlist[0], 0);
}
int main(void) {
int rc;
const struct CMUnitTest uwrap_tests[] = {
cmocka_unit_test(test_uwrap_getgroups),
cmocka_unit_test(test_uwrap_setgroups),
};
rc = cmocka_run_group_tests(uwrap_tests, NULL, NULL);
return rc;
}
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