1 /* $OpenBSD: t_connect.c,v 1.1 2021/09/02 12:40:44 mbuhl Exp $ */ 2 /* $NetBSD: t_connect.c,v 1.3 2017/01/13 20:09:48 christos Exp $ */ 3 /* 4 * Copyright (c) 2007, 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND 17 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 23 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 #include "macros.h" 30 31 #include <sys/socket.h> 32 #include <err.h> 33 #include <errno.h> 34 #include <string.h> 35 #include <unistd.h> 36 37 #include <arpa/inet.h> 38 #include <netinet/in.h> 39 40 #include "atf-c.h" 41 42 ATF_TC(connect_low_port); 43 ATF_TC_HEAD(connect_low_port, tc) 44 { 45 atf_tc_set_md_var(tc, "descr", "Checks that low-port allocation " 46 "works"); 47 atf_tc_set_md_var(tc, "require.user", "root"); 48 } 49 ATF_TC_BODY(connect_low_port, tc) 50 { 51 struct sockaddr_in sin, sinlist; 52 int sd, val, slist; 53 socklen_t slen; 54 55 slist = socket(AF_INET, SOCK_STREAM, 0); 56 sd = socket(AF_INET, SOCK_STREAM, 0); 57 58 ATF_REQUIRE(sd > 0); 59 ATF_REQUIRE(slist > 0); 60 61 /* bind listening socket */ 62 memset(&sinlist, 0, sizeof(sinlist)); 63 sinlist.sin_family = AF_INET; 64 sinlist.sin_port = htons(31522); 65 sinlist.sin_addr.s_addr = inet_addr("127.0.0.1"); 66 67 ATF_REQUIRE_EQ(bind(slist, 68 (struct sockaddr *)&sinlist, sizeof(sinlist)), 0); 69 ATF_REQUIRE_EQ(listen(slist, 1), 0); 70 71 val = IP_PORTRANGE_LOW; 72 if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, &val, 73 sizeof(val)) == -1) 74 atf_tc_fail("setsockopt failed: %s", strerror(errno)); 75 76 memset(&sin, 0, sizeof(sin)); 77 78 sin.sin_port = htons(31522); 79 sin.sin_addr.s_addr = inet_addr("127.0.0.1"); 80 sin.sin_family = AF_INET; 81 82 if (connect(sd, (struct sockaddr *)&sin, sizeof(sin)) == -1) { 83 int serrno = errno; 84 atf_tc_fail("connect failed: %s%s", 85 strerror(serrno), 86 serrno != EACCES ? "" : 87 " (see http://mail-index.netbsd.org/" 88 "source-changes/2007/12/16/0011.html)"); 89 } 90 91 slen = sizeof(sin); 92 ATF_REQUIRE_EQ(getsockname(sd, (struct sockaddr *)&sin, &slen), 0); 93 ATF_REQUIRE_EQ(slen, sizeof(sin)); 94 ATF_REQUIRE(ntohs(sin.sin_port) <= IPPORT_RESERVEDMAX); 95 96 close(sd); 97 close(slist); 98 } 99 100 ATF_TC(connect_foreign_family); 101 ATF_TC_HEAD(connect_foreign_family, tc) 102 { 103 atf_tc_set_md_var(tc, "descr", "Checks that connecting a socket " 104 "with a different address family fails"); 105 } 106 ATF_TC_BODY(connect_foreign_family, tc) 107 { 108 struct sockaddr_in addr; 109 110 /* addr.sin_family = AF_UNSPEC = 0 */ 111 memset(&addr, 0, sizeof(addr)); 112 113 /* 114 * it is not necessary to initialize sin_{addr,port} since 115 * those structure members shall not be accessed if connect 116 * fails correctly. 117 */ 118 119 int sock = socket(AF_LOCAL, SOCK_STREAM, 0); 120 ATF_REQUIRE(sock != -1); 121 122 ATF_REQUIRE(-1 == connect(sock, (struct sockaddr *)&addr, sizeof(addr))); 123 ATF_REQUIRE(EAFNOSUPPORT == errno); 124 125 close(sock); 126 } 127 128 ATF_TP_ADD_TCS(tp) 129 { 130 131 ATF_TP_ADD_TC(tp, connect_low_port); 132 ATF_TP_ADD_TC(tp, connect_foreign_family); 133 134 return atf_no_error(); 135 } 136