1 /* $NetBSD: t_connect.c,v 1.3 2017/01/13 20:09:48 christos Exp $ */ 2 /* 3 * Copyright (c) 2007, 2008 The NetBSD Foundation, Inc. 4 * All rights reserved. 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 NETBSD FOUNDATION, INC. AND 16 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 17 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY 20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 22 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 24 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 25 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/socket.h> 30 #include <err.h> 31 #include <errno.h> 32 #include <string.h> 33 #include <unistd.h> 34 35 #include <arpa/inet.h> 36 #include <netinet/in.h> 37 38 #include <atf-c.h> 39 40 ATF_TC(connect_low_port); 41 ATF_TC_HEAD(connect_low_port, tc) 42 { 43 atf_tc_set_md_var(tc, "descr", "Checks that low-port allocation " 44 "works"); 45 atf_tc_set_md_var(tc, "require.user", "root"); 46 } 47 ATF_TC_BODY(connect_low_port, tc) 48 { 49 struct sockaddr_in sin, sinlist; 50 int sd, val, slist; 51 socklen_t slen; 52 53 slist = socket(AF_INET, SOCK_STREAM, 0); 54 sd = socket(AF_INET, SOCK_STREAM, 0); 55 56 ATF_REQUIRE(sd > 0); 57 ATF_REQUIRE(slist > 0); 58 59 /* bind listening socket */ 60 memset(&sinlist, 0, sizeof(sinlist)); 61 sinlist.sin_family = AF_INET; 62 sinlist.sin_port = htons(31522); 63 sinlist.sin_addr.s_addr = inet_addr("127.0.0.1"); 64 65 ATF_REQUIRE_EQ(bind(slist, 66 (struct sockaddr *)&sinlist, sizeof(sinlist)), 0); 67 ATF_REQUIRE_EQ(listen(slist, 1), 0); 68 69 val = IP_PORTRANGE_LOW; 70 if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, &val, 71 sizeof(val)) == -1) 72 atf_tc_fail("setsockopt failed: %s", strerror(errno)); 73 74 memset(&sin, 0, sizeof(sin)); 75 76 sin.sin_port = htons(31522); 77 sin.sin_addr.s_addr = inet_addr("127.0.0.1"); 78 sin.sin_family = AF_INET; 79 80 if (connect(sd, (struct sockaddr *)&sin, sizeof(sin)) == -1) { 81 int serrno = errno; 82 atf_tc_fail("connect failed: %s%s", 83 strerror(serrno), 84 serrno != EACCES ? "" : 85 " (see http://mail-index.netbsd.org/" 86 "source-changes/2007/12/16/0011.html)"); 87 } 88 89 slen = sizeof(sin); 90 ATF_REQUIRE_EQ(getsockname(sd, (struct sockaddr *)&sin, &slen), 0); 91 ATF_REQUIRE_EQ(slen, sizeof(sin)); 92 ATF_REQUIRE(ntohs(sin.sin_port) <= IPPORT_RESERVEDMAX); 93 94 close(sd); 95 close(slist); 96 } 97 98 ATF_TC(connect_foreign_family); 99 ATF_TC_HEAD(connect_foreign_family, tc) 100 { 101 atf_tc_set_md_var(tc, "descr", "Checks that connecting a socket " 102 "with a different address family fails"); 103 } 104 ATF_TC_BODY(connect_foreign_family, tc) 105 { 106 struct sockaddr_in addr; 107 108 /* addr.sin_family = AF_UNSPEC = 0 */ 109 memset(&addr, 0, sizeof(addr)); 110 111 /* 112 * it is not necessary to initialize sin_{addr,port} since 113 * those structure members shall not be accessed if connect 114 * fails correctly. 115 */ 116 117 int sock = socket(AF_LOCAL, SOCK_STREAM, 0); 118 ATF_REQUIRE(sock != -1); 119 120 ATF_REQUIRE(-1 == connect(sock, (struct sockaddr *)&addr, sizeof(addr))); 121 ATF_REQUIRE(EAFNOSUPPORT == errno); 122 123 close(sock); 124 } 125 126 ATF_TP_ADD_TCS(tp) 127 { 128 129 ATF_TP_ADD_TC(tp, connect_low_port); 130 ATF_TP_ADD_TC(tp, connect_foreign_family); 131 132 return atf_no_error(); 133 } 134