1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2024 Gleb Smirnoff <glebius@FreeBSD.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/socket.h> 29 #include <netinet/in.h> 30 #include <stdio.h> 31 #include <unistd.h> 32 #include <string.h> 33 34 #include <atf-c.h> 35 36 static struct sockaddr_in sin = { 37 .sin_family = AF_INET, 38 .sin_len = sizeof(sin), 39 }; 40 41 static const char buf[] = "hello"; 42 static char repl[sizeof(buf)]; 43 44 ATF_TC_WITHOUT_HEAD(tcp_implied_connect); 45 ATF_TC_BODY(tcp_implied_connect, tc) 46 { 47 socklen_t len; 48 int s, c, a; 49 50 ATF_REQUIRE(s = socket(PF_INET, SOCK_STREAM, 0)); 51 ATF_REQUIRE(c = socket(PF_INET, SOCK_STREAM, 0)); 52 53 ATF_REQUIRE(bind(s, (struct sockaddr *)&sin, sizeof(sin)) == 0); 54 len = sizeof(sin); 55 ATF_REQUIRE(getsockname(s, (struct sockaddr *)&sin, &len) == 0); 56 ATF_REQUIRE(listen(s, -1) == 0); 57 #if 0 58 /* 59 * The disabled code is that you would normally do. 60 */ 61 ATF_REQUIRE(connect(c, (struct sockaddr *)&sin, sizeof(sin)) == 0); 62 ATF_REQUIRE(send(c, &buf, sizeof(buf), 0) == sizeof(buf)); 63 #else 64 /* 65 * And this is implied connect. 66 */ 67 ATF_REQUIRE(sendto(c, &buf, sizeof(buf), 0, (struct sockaddr *)&sin, 68 sizeof(sin)) == sizeof(buf)); 69 #endif 70 71 ATF_REQUIRE((a = accept(s, NULL, NULL)) != 1); 72 ATF_REQUIRE(recv(a, &repl, sizeof(repl), 0) == sizeof(buf)); 73 ATF_REQUIRE(strcmp(buf, repl) == 0); 74 } 75 76 ATF_TP_ADD_TCS(tp) 77 { 78 ATF_TP_ADD_TC(tp, tcp_implied_connect); 79 80 return (atf_no_error()); 81 } 82