1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Copyright (c) 2019 Richard Palethorpe <rpalethorpe@suse.com>
4 *
5 * The user or file requires CAP_NET_RAW for this test to work.
6 * e.g use "$ setcap cap_net_raw=pei tst_capability"
7 */
8
9 #include <unistd.h>
10 #include <sys/types.h>
11
12 #include "tst_test.h"
13 #include "tst_capability.h"
14 #include "tst_safe_net.h"
15
16 #include "lapi/socket.h"
17
run(void)18 static void run(void)
19 {
20 TEST(socket(AF_INET, SOCK_RAW, 1));
21 if (TST_RET > -1) {
22 tst_res(TFAIL, "Created raw socket");
23 SAFE_CLOSE(TST_RET);
24 } else if (TST_ERR != EPERM) {
25 tst_res(TFAIL | TTERRNO,
26 "Failed to create socket for wrong reason");
27 } else {
28 tst_res(TPASS | TTERRNO, "Didn't create raw socket");
29 }
30 }
31
setup(void)32 static void setup(void)
33 {
34 if (geteuid() == 0)
35 tst_res(TWARN, "CAP_NET_RAW may be ignored when euid == 0");
36
37 TEST(socket(AF_INET, SOCK_RAW, 1));
38 if (TST_RET < 0)
39 tst_brk(TFAIL | TTERRNO, "Can't create raw socket in setup");
40
41 SAFE_CLOSE(TST_RET);
42 }
43
44 static struct tst_test test = {
45 .setup = setup,
46 .test_all = run,
47 .caps = (struct tst_cap []) {
48 TST_CAP(TST_CAP_REQ, CAP_NET_RAW),
49 TST_CAP(TST_CAP_DROP, CAP_NET_RAW),
50 {}
51 },
52 };
53