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#include "config.h"
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include <pthread.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <grp.h>
#ifdef HAVE_SYS_SYSCALL_H
#include <sys/syscall.h>
#endif
#ifdef HAVE_SYSCALL_H
#include <syscall.h>
#endif
#define NUM_THREADS 10
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
static pthread_mutex_t wait_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t sleep_mutex = PTHREAD_MUTEX_INITIALIZER;
static void *uwrap_getuid_sync(void *arg)
{
uid_t u;
(void) arg; /* unused */
pthread_mutex_unlock(&sleep_mutex);
pthread_mutex_lock(&wait_mutex);
u = getuid();
assert_int_equal(u, 888);
return NULL;
}
static void *uwrap_setuid_sync(void *arg)
{
int rc;
(void) arg; /* unused */
rc = setuid(888);
assert_int_equal(rc, 0);
return NULL;
}
static void test_real_sync_setuid(void **state)
{
pthread_t threads[2];
uid_t u;
(void) state; /* unused */
pthread_mutex_lock(&wait_mutex);
pthread_mutex_lock(&sleep_mutex);
/* Create thread which will wait for change. */
pthread_create(&threads[0],
NULL,
uwrap_getuid_sync,
NULL);
pthread_mutex_lock(&sleep_mutex);
pthread_create(&threads[1],
NULL,
uwrap_setuid_sync,
NULL);
pthread_join(threads[1], NULL);
pthread_mutex_unlock(&wait_mutex);
pthread_join(threads[0], NULL);
u = getuid();
assert_int_equal(u, 888);
}
int main(void) {
int rc;
const struct CMUnitTest thread_tests[] = {
cmocka_unit_test(test_real_sync_setuid),
};
rc = cmocka_run_group_tests(thread_tests, NULL, NULL);
return rc;
}
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