/* * Check decoding of sockaddr related arguments of recvfrom syscall. * * Copyright (c) 2016 Dmitry V. Levin * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #define TEST_SYSCALL_NAME recvfrom #define TEST_SYSCALL_PREPARE send_un() #define PREFIX_S_ARGS , recv_buf, 1, 0 #define PREFIX_S_STR ", \"A\", 1, 0" #define PREFIX_F_ARGS , 0, 1, 0 #define PREFIX_F_STR ", NULL, 1, 0" static void send_un(void); static char recv_buf[1]; #include "sockname.c" static int cfd; static void send_un(void) { if (send(cfd, "A", 1, 0) != 1) perror_msg_and_skip("send"); } int main(void) { cfd = socket(AF_UNIX, SOCK_STREAM, 0); int lfd = socket(AF_UNIX, SOCK_STREAM, 0); if (cfd < 0 || lfd < 0) perror_msg_and_skip("socket"); struct sockaddr_un un = { .sun_family = AF_UNIX, .sun_path = TEST_SOCKET ".send" }; (void) unlink(un.sun_path); if (bind(cfd, (const void *) &un, sizeof(un))) perror_msg_and_skip("bind"); (void) unlink(un.sun_path); un.sun_path[sizeof(TEST_SOCKET) - 1] = '\0'; (void) unlink(un.sun_path); if (bind(lfd, (const void *) &un, sizeof(un))) perror_msg_and_skip("bind"); if (listen(lfd, 1)) perror_msg_and_skip("listen"); if (connect(cfd, (const void *) &un, sizeof(un))) perror_msg_and_skip("connect"); int afd = accept(lfd, 0, 0); if (afd < 0) perror_msg_and_skip("accept"); (void) unlink(un.sun_path); test_sockname_syscall(afd); puts("+++ exited with 0 +++"); return 0; }