1374e74deSXu Liu // SPDX-License-Identifier: GPL-2.0
2374e74deSXu Liu
3374e74deSXu Liu #include <test_progs.h>
4374e74deSXu Liu #include "netns_cookie_prog.skel.h"
5374e74deSXu Liu #include "network_helpers.h"
6374e74deSXu Liu
7374e74deSXu Liu #ifndef SO_NETNS_COOKIE
8374e74deSXu Liu #define SO_NETNS_COOKIE 71
9374e74deSXu Liu #endif
10374e74deSXu Liu
11374e74deSXu Liu static int duration;
12374e74deSXu Liu
test_netns_cookie(void)13374e74deSXu Liu void test_netns_cookie(void)
14374e74deSXu Liu {
15*6cbca1eeSXu Liu int server_fd = -1, client_fd = -1, cgroup_fd = -1;
16*6cbca1eeSXu Liu int err, val, ret, map, verdict;
17374e74deSXu Liu struct netns_cookie_prog *skel;
18374e74deSXu Liu uint64_t cookie_expected_value;
19374e74deSXu Liu socklen_t vallen = sizeof(cookie_expected_value);
20*6cbca1eeSXu Liu static const char send_msg[] = "message";
21374e74deSXu Liu
22374e74deSXu Liu skel = netns_cookie_prog__open_and_load();
23374e74deSXu Liu if (!ASSERT_OK_PTR(skel, "skel_open"))
24374e74deSXu Liu return;
25374e74deSXu Liu
26374e74deSXu Liu cgroup_fd = test__join_cgroup("/netns_cookie");
27374e74deSXu Liu if (CHECK(cgroup_fd < 0, "join_cgroup", "cgroup creation failed\n"))
28*6cbca1eeSXu Liu goto done;
29374e74deSXu Liu
30374e74deSXu Liu skel->links.get_netns_cookie_sockops = bpf_program__attach_cgroup(
31374e74deSXu Liu skel->progs.get_netns_cookie_sockops, cgroup_fd);
32374e74deSXu Liu if (!ASSERT_OK_PTR(skel->links.get_netns_cookie_sockops, "prog_attach"))
33*6cbca1eeSXu Liu goto done;
34*6cbca1eeSXu Liu
35*6cbca1eeSXu Liu verdict = bpf_program__fd(skel->progs.get_netns_cookie_sk_msg);
36*6cbca1eeSXu Liu map = bpf_map__fd(skel->maps.sock_map);
37*6cbca1eeSXu Liu err = bpf_prog_attach(verdict, map, BPF_SK_MSG_VERDICT, 0);
38*6cbca1eeSXu Liu if (!ASSERT_OK(err, "prog_attach"))
39*6cbca1eeSXu Liu goto done;
40374e74deSXu Liu
41374e74deSXu Liu server_fd = start_server(AF_INET6, SOCK_STREAM, "::1", 0, 0);
42374e74deSXu Liu if (CHECK(server_fd < 0, "start_server", "errno %d\n", errno))
43*6cbca1eeSXu Liu goto done;
44374e74deSXu Liu
45374e74deSXu Liu client_fd = connect_to_fd(server_fd, 0);
46374e74deSXu Liu if (CHECK(client_fd < 0, "connect_to_fd", "errno %d\n", errno))
47*6cbca1eeSXu Liu goto done;
48374e74deSXu Liu
49*6cbca1eeSXu Liu ret = send(client_fd, send_msg, sizeof(send_msg), 0);
50*6cbca1eeSXu Liu if (CHECK(ret != sizeof(send_msg), "send(msg)", "ret:%d\n", ret))
51*6cbca1eeSXu Liu goto done;
52*6cbca1eeSXu Liu
53*6cbca1eeSXu Liu err = bpf_map_lookup_elem(bpf_map__fd(skel->maps.sockops_netns_cookies),
54374e74deSXu Liu &client_fd, &val);
55*6cbca1eeSXu Liu if (!ASSERT_OK(err, "map_lookup(sockops_netns_cookies)"))
56*6cbca1eeSXu Liu goto done;
57374e74deSXu Liu
58374e74deSXu Liu err = getsockopt(client_fd, SOL_SOCKET, SO_NETNS_COOKIE,
59374e74deSXu Liu &cookie_expected_value, &vallen);
60*6cbca1eeSXu Liu if (!ASSERT_OK(err, "getsockopt"))
61*6cbca1eeSXu Liu goto done;
62374e74deSXu Liu
63374e74deSXu Liu ASSERT_EQ(val, cookie_expected_value, "cookie_value");
64374e74deSXu Liu
65*6cbca1eeSXu Liu err = bpf_map_lookup_elem(bpf_map__fd(skel->maps.sk_msg_netns_cookies),
66*6cbca1eeSXu Liu &client_fd, &val);
67*6cbca1eeSXu Liu if (!ASSERT_OK(err, "map_lookup(sk_msg_netns_cookies)"))
68*6cbca1eeSXu Liu goto done;
69*6cbca1eeSXu Liu
70*6cbca1eeSXu Liu ASSERT_EQ(val, cookie_expected_value, "cookie_value");
71*6cbca1eeSXu Liu
72*6cbca1eeSXu Liu done:
73*6cbca1eeSXu Liu if (server_fd != -1)
74374e74deSXu Liu close(server_fd);
75*6cbca1eeSXu Liu if (client_fd != -1)
76*6cbca1eeSXu Liu close(client_fd);
77*6cbca1eeSXu Liu if (cgroup_fd != -1)
78374e74deSXu Liu close(cgroup_fd);
79374e74deSXu Liu netns_cookie_prog__destroy(skel);
80374e74deSXu Liu }
81