assert_se(prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_IS_SET, CAP_CHOWN, 0, 0) == 1);
}
+static void test_ensure_cap_64bit(void) {
+ _cleanup_free_ char *content = NULL;
+ unsigned long p = 0;
+ int r;
+
+ r = read_one_line_file("/proc/sys/kernel/cap_last_cap", &content);
+ if (r == -ENOENT) /* kernel pre 3.2 */
+ return;
+ assert_se(r >= 0);
+
+ assert_se(safe_atolu(content, &p) >= 0);
+
+ /* If caps don't fit into 64bit anymore, we have a problem, fail the test. */
+ assert_se(p <= 63);
+
+ /* Also check for the header definition */
+ assert_se(CAP_LAST_CAP <= 63);
+}
+
int main(int argc, char *argv[]) {
bool run_ambient;
test_setup_logging(LOG_INFO);
+ test_ensure_cap_64bit();
+
test_last_cap_file();
test_last_cap_probe();