1 /* $NetBSD: t_ttyname.c,v 1.4 2017/01/10 15:33:40 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jukka Ruohonen. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #include <sys/cdefs.h> 32 __RCSID("$NetBSD: t_ttyname.c,v 1.4 2017/01/10 15:33:40 christos Exp $"); 33 34 #include <atf-c.h> 35 #include <errno.h> 36 #include <fcntl.h> 37 #include <stdlib.h> 38 #include <string.h> 39 #include <unistd.h> 40 41 static long ttymax = 0; 42 43 ATF_TC(ttyname_err); 44 ATF_TC_HEAD(ttyname_err, tc) 45 { 46 atf_tc_set_md_var(tc, "descr", "Test errors in ttyname(3)"); 47 } 48 49 ATF_TC_BODY(ttyname_err, tc) 50 { 51 int fd; 52 53 fd = open("XXX", O_RDONLY); 54 55 if (fd < 0) { 56 57 errno = 0; 58 59 ATF_REQUIRE(isatty(fd) != -1); 60 ATF_REQUIRE(errno == EBADF); 61 62 errno = 0; 63 64 ATF_REQUIRE(ttyname(fd) == NULL); 65 ATF_REQUIRE(errno == EBADF); 66 } 67 68 fd = open("/etc/passwd", O_RDONLY); 69 70 if (fd >= 0) { 71 72 errno = 0; 73 74 ATF_REQUIRE(isatty(fd) != -1); 75 ATF_REQUIRE(errno == ENOTTY); 76 77 errno = 0; 78 79 ATF_REQUIRE(ttyname(fd) == NULL); 80 ATF_REQUIRE(errno == ENOTTY); 81 (void)close(fd); 82 } 83 } 84 85 ATF_TC(ttyname_r_err); 86 ATF_TC_HEAD(ttyname_r_err, tc) 87 { 88 atf_tc_set_md_var(tc, "descr", "Test errors in ttyname_r(3)"); 89 } 90 91 ATF_TC_BODY(ttyname_r_err, tc) 92 { 93 char sbuf[0]; 94 char *buf; 95 int fd; 96 int rv; 97 98 buf = malloc(ttymax + 1); 99 100 if (buf == NULL) 101 return; 102 103 (void)memset(buf, '\0', ttymax + 1); 104 105 if (isatty(STDIN_FILENO) != 0) { 106 107 rv = ttyname_r(STDIN_FILENO, sbuf, sizeof(sbuf)); 108 ATF_REQUIRE(rv == ERANGE); 109 } 110 111 rv = ttyname_r(-1, buf, ttymax); 112 ATF_REQUIRE(rv == EBADF); 113 114 fd = open("/etc/passwd", O_RDONLY); 115 116 if (fd >= 0) { 117 rv = ttyname_r(fd, buf, ttymax); 118 ATF_REQUIRE(rv == ENOTTY); 119 ATF_REQUIRE(close(fd) == 0); 120 } 121 122 free(buf); 123 } 124 125 ATF_TC(ttyname_r_stdin); 126 ATF_TC_HEAD(ttyname_r_stdin, tc) 127 { 128 atf_tc_set_md_var(tc, "descr", "Test ttyname_r(3) with stdin(3)"); 129 } 130 131 ATF_TC_BODY(ttyname_r_stdin, tc) 132 { 133 const char *str; 134 char *buf; 135 int rv; 136 137 if (isatty(STDIN_FILENO) == 0) 138 return; 139 140 buf = malloc(ttymax + 1); 141 142 if (buf == NULL) 143 return; 144 145 (void)memset(buf, '\0', ttymax + 1); 146 147 str = ttyname(STDIN_FILENO); 148 rv = ttyname_r(STDIN_FILENO, buf, ttymax); 149 150 ATF_REQUIRE(rv == 0); 151 ATF_REQUIRE(str != NULL); 152 153 if (strcmp(str, buf) != 0) 154 atf_tc_fail("ttyname(3) and ttyname_r(3) conflict"); 155 156 free(buf); 157 } 158 159 ATF_TC(ttyname_stdin); 160 ATF_TC_HEAD(ttyname_stdin, tc) 161 { 162 atf_tc_set_md_var(tc, "descr", "Test ttyname(3) with stdin(3)"); 163 } 164 165 ATF_TC_BODY(ttyname_stdin, tc) 166 { 167 168 if (isatty(STDIN_FILENO) != 0) 169 ATF_REQUIRE(ttyname(STDIN_FILENO) != NULL); 170 171 (void)close(STDIN_FILENO); 172 173 ATF_REQUIRE(isatty(STDIN_FILENO) != 1); 174 ATF_REQUIRE(ttyname(STDIN_FILENO) == NULL); 175 } 176 177 ATF_TP_ADD_TCS(tp) 178 { 179 180 ttymax = sysconf(_SC_TTY_NAME_MAX); 181 ATF_REQUIRE(ttymax >= 0); 182 183 ATF_TP_ADD_TC(tp, ttyname_err); 184 ATF_TP_ADD_TC(tp, ttyname_r_err); 185 ATF_TP_ADD_TC(tp, ttyname_r_stdin); 186 ATF_TP_ADD_TC(tp, ttyname_stdin); 187 188 return atf_no_error(); 189 } 190