]> Git Repo - J-linux.git/blob - tools/testing/selftests/bpf/prog_tests/skc_to_unix_sock.c
Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / tools / testing / selftests / bpf / prog_tests / skc_to_unix_sock.c
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
8 static const char *sock_path = "@skc_to_unix_sock";
9
10 void 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
50 cleanup:
51         if (sockfd)
52                 close(sockfd);
53         test_skc_to_unix_sock__destroy(skel);
54 }
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