t_listen.c revision 276478
1/* $NetBSD: t_listen.c,v 1.4 2012/03/18 07:00:52 jruoho Exp $ */ 2/* 3 * Copyright (c) 2007 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 <atf-c.h> 30#include <err.h> 31#include <errno.h> 32#include <fcntl.h> 33#include <string.h> 34#include <unistd.h> 35 36#include <arpa/inet.h> 37#include <netinet/in.h> 38 39#ifdef __FreeBSD__ 40#include <sys/socket.h> 41#endif 42 43static const char *path = "listen"; 44 45ATF_TC_WITH_CLEANUP(listen_err); 46ATF_TC_HEAD(listen_err, tc) 47{ 48 atf_tc_set_md_var(tc, "descr", 49 "Checks errors from listen(2) (PR standards/46150)"); 50} 51 52ATF_TC_BODY(listen_err, tc) 53{ 54 static const size_t siz = sizeof(struct sockaddr_in); 55 struct sockaddr_in sina, sinb; 56 int fda, fdb, fdc; 57 58 (void)memset(&sina, 0, sizeof(struct sockaddr_in)); 59 (void)memset(&sinb, 0, sizeof(struct sockaddr_in)); 60 61 sina.sin_family = AF_INET; 62 sina.sin_port = htons(31522); 63 sina.sin_addr.s_addr = inet_addr("127.0.0.1"); 64 65 sinb.sin_family = AF_INET; 66 sinb.sin_port = htons(31522); 67 sinb.sin_addr.s_addr = inet_addr("127.0.0.1"); 68 69 fda = socket(AF_INET, SOCK_STREAM, 0); 70 fdb = socket(AF_INET, SOCK_STREAM, 0); 71 fdc = open("listen", O_RDWR | O_CREAT, 0600); 72 73 ATF_REQUIRE(fda >= 0 && fdb >= 0 && fdc >= 0); 74 ATF_REQUIRE_ERRNO(ENOTSOCK, listen(fdc, 1) == -1); 75 76 (void)close(fdc); 77 (void)unlink(path); 78 79 ATF_REQUIRE(bind(fda, (struct sockaddr *)&sina, siz) == 0); 80 ATF_REQUIRE(listen(fda, 1) == 0); 81 82 /* 83 * According to IEEE Std 1003.1-2008: if the socket is 84 * already connected, the call should fail with EINVAL. 85 */ 86 ATF_REQUIRE(connect(fdb, (struct sockaddr *)&sinb, siz) == 0); 87 ATF_REQUIRE_ERRNO(EINVAL, listen(fdb, 1) == -1); 88 89 (void)close(fda); 90 (void)close(fdb); 91 92 ATF_REQUIRE_ERRNO(EBADF, connect(fdb, 93 (struct sockaddr *)&sinb, siz) == -1); 94} 95 96ATF_TC_CLEANUP(listen_err, tc) 97{ 98 (void)unlink(path); 99} 100 101ATF_TC(listen_low_port); 102ATF_TC_HEAD(listen_low_port, tc) 103{ 104 atf_tc_set_md_var(tc, "descr", "Does low-port allocation work?"); 105 atf_tc_set_md_var(tc, "require.user", "root"); 106} 107 108ATF_TC_BODY(listen_low_port, tc) 109{ 110 int sd, val; 111 112 sd = socket(AF_INET, SOCK_STREAM, 0); 113 114 val = IP_PORTRANGE_LOW; 115 if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, &val, 116 sizeof(val)) == -1) 117 atf_tc_fail("setsockopt failed: %s", strerror(errno)); 118 119 if (listen(sd, 5) == -1) { 120 int serrno = errno; 121 atf_tc_fail("listen failed: %s%s", 122 strerror(serrno), 123 serrno != EACCES ? "" : 124 " (see http://mail-index.netbsd.org/" 125 "source-changes/2007/12/16/0011.html)"); 126 } 127 128 close(sd); 129} 130 131ATF_TP_ADD_TCS(tp) 132{ 133 134 ATF_TP_ADD_TC(tp, listen_err); 135 ATF_TP_ADD_TC(tp, listen_low_port); 136 137 return 0; 138} 139