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 } 55