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#include "config.h"
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include <errno.h>
#include <sys/types.h>
#include <unistd.h>
#include <pwd.h>
#ifdef HAVE_SYS_SYSCALL_H
#include <sys/syscall.h>
#endif
#ifdef HAVE_SYSCALL_H
#include <syscall.h>
#endif
static void test_uwrap_syscall_setuid(void **state)
{
long int rc;
uid_t u;
#if defined(HAVE_GETRESUID) || defined(SYS_getresuid)
uid_t cp_ruid, cp_euid, cp_suid;
#endif
(void) state; /* unused */
u = getuid();
assert_int_equal(u, 0);
u = geteuid();
assert_int_equal(u, 0);
#ifdef HAVE_GETRESUID
cp_ruid = cp_euid = cp_suid = -1;
rc = getresuid(&cp_ruid, &cp_euid, &cp_suid);
assert_return_code(rc, errno);
assert_int_equal(cp_ruid, 0);
assert_int_equal(cp_euid, 0);
assert_int_equal(cp_suid, 0);
#endif
#ifdef SYS_getresuid
cp_ruid = cp_euid = cp_suid = -1;
rc = syscall(SYS_getresuid, &cp_ruid, &cp_euid, &cp_suid);
assert_return_code(rc, errno);
assert_int_equal(cp_ruid, 0);
assert_int_equal(cp_euid, 0);
assert_int_equal(cp_suid, 0);
#endif
rc = syscall(SYS_setuid, -1);
assert_int_equal(rc, -1);
assert_int_equal(errno, EINVAL);
rc = syscall(SYS_setuid, 5555);
assert_return_code(rc, errno);
#ifdef SYS_getresuid
cp_ruid = cp_euid = cp_suid = -1;
rc = syscall(SYS_getresuid, &cp_ruid, &cp_euid, &cp_suid);
assert_return_code(rc, errno);
assert_int_equal(cp_ruid, 5555);
assert_int_equal(cp_euid, 5555);
assert_int_equal(cp_suid, 5555);
#endif
u = getuid();
assert_int_equal(u, 5555);
assert_int_equal(u, syscall(SYS_getuid));
rc = syscall(SYS_setuid, 0);
assert_int_equal(rc, -1);
assert_int_equal(errno, EPERM);
}
int main(void) {
int rc;
const struct CMUnitTest uwrap_tests[] = {
cmocka_unit_test(test_uwrap_syscall_setuid),
};
rc = cmocka_run_group_tests(uwrap_tests, NULL, NULL);
return rc;
}
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