1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright (c) 2021 Hengqi Chen */
3
4#include <test_progs.h>
5#include <sys/un.h>
6#include "test_skc_to_unix_sock.skel.h"
7
8static const char *sock_path = "@skc_to_unix_sock";
9
10void test_skc_to_unix_sock(void)
11{
12	struct test_skc_to_unix_sock *skel;
13	struct sockaddr_un sockaddr;
14	int err, sockfd = 0;
15
16	skel = test_skc_to_unix_sock__open();
17	if (!ASSERT_OK_PTR(skel, "could not open BPF object"))
18		return;
19
20	skel->rodata->my_pid = getpid();
21
22	err = test_skc_to_unix_sock__load(skel);
23	if (!ASSERT_OK(err, "could not load BPF object"))
24		goto cleanup;
25
26	err = test_skc_to_unix_sock__attach(skel);
27	if (!ASSERT_OK(err, "could not attach BPF object"))
28		goto cleanup;
29
30	/* trigger unix_listen */
31	sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
32	if (!ASSERT_GT(sockfd, 0, "socket failed"))
33		goto cleanup;
34
35	memset(&sockaddr, 0, sizeof(sockaddr));
36	sockaddr.sun_family = AF_UNIX;
37	strncpy(sockaddr.sun_path, sock_path, strlen(sock_path));
38	sockaddr.sun_path[0] = '\0';
39
40	err = bind(sockfd, (struct sockaddr *)&sockaddr, sizeof(sockaddr));
41	if (!ASSERT_OK(err, "bind failed"))
42		goto cleanup;
43
44	err = listen(sockfd, 1);
45	if (!ASSERT_OK(err, "listen failed"))
46		goto cleanup;
47
48	ASSERT_EQ(strcmp(skel->bss->path, sock_path), 0, "bpf_skc_to_unix_sock failed");
49
50cleanup:
51	if (sockfd)
52		close(sockfd);
53	test_skc_to_unix_sock__destroy(skel);
54}
55