t_ttyname.c revision 274626
1/* $NetBSD: t_ttyname.c,v 1.3 2011/05/01 18:14:01 jruoho 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 1.3 2011/05/01 18:14:01 jruoho 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 41static long ttymax = 0; 42 43ATF_TC(ttyname_err); 44ATF_TC_HEAD(ttyname_err, tc) 45{ 46 atf_tc_set_md_var(tc, "descr", "Test errors in ttyname(3)"); 47} 48 49ATF_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 } 82} 83 84ATF_TC(ttyname_r_err); 85ATF_TC_HEAD(ttyname_r_err, tc) 86{ 87 atf_tc_set_md_var(tc, "descr", "Test errors in ttyname_r(3)"); 88} 89 90ATF_TC_BODY(ttyname_r_err, tc) 91{ 92 char sbuf[0]; 93 char *buf; 94 int fd; 95 int rv; 96 97 buf = malloc(ttymax + 1); 98 99 if (buf == NULL) 100 return; 101 102 (void)memset(buf, '\0', ttymax + 1); 103 104 if (isatty(STDIN_FILENO) != 0) { 105 106 rv = ttyname_r(STDIN_FILENO, sbuf, sizeof(sbuf)); 107 ATF_REQUIRE(rv == ERANGE); 108 } 109 110#ifdef __FreeBSD__ 111 atf_tc_expect_fail("FreeBSD returns ENOTTY instead of EBADF; see bin/191936"); 112#endif 113 rv = ttyname_r(-1, buf, ttymax); 114 ATF_REQUIRE(rv == EBADF); 115 116 fd = open("/etc/passwd", O_RDONLY); 117 118 if (fd >= 0) { 119 rv = ttyname_r(fd, buf, ttymax); 120 ATF_REQUIRE(rv == ENOTTY); 121 ATF_REQUIRE(close(fd) == 0); 122 } 123 124 free(buf); 125} 126 127ATF_TC(ttyname_r_stdin); 128ATF_TC_HEAD(ttyname_r_stdin, tc) 129{ 130 atf_tc_set_md_var(tc, "descr", "Test ttyname_r(3) with stdin(3)"); 131} 132 133ATF_TC_BODY(ttyname_r_stdin, tc) 134{ 135 const char *str; 136 char *buf; 137 int rv; 138 139 if (isatty(STDIN_FILENO) == 0) 140 return; 141 142 buf = malloc(ttymax + 1); 143 144 if (buf == NULL) 145 return; 146 147 (void)memset(buf, '\0', ttymax + 1); 148 149 str = ttyname(STDIN_FILENO); 150 rv = ttyname_r(STDIN_FILENO, buf, ttymax); 151 152 ATF_REQUIRE(rv == 0); 153 ATF_REQUIRE(str != NULL); 154 155 if (strcmp(str, buf) != 0) 156 atf_tc_fail("ttyname(3) and ttyname_r(3) conflict"); 157 158 free(buf); 159} 160 161ATF_TC(ttyname_stdin); 162ATF_TC_HEAD(ttyname_stdin, tc) 163{ 164 atf_tc_set_md_var(tc, "descr", "Test ttyname(3) with stdin(3)"); 165} 166 167ATF_TC_BODY(ttyname_stdin, tc) 168{ 169 170 if (isatty(STDIN_FILENO) != 0) 171 ATF_REQUIRE(ttyname(STDIN_FILENO) != NULL); 172 173 (void)close(STDIN_FILENO); 174 175 ATF_REQUIRE(isatty(STDIN_FILENO) != 1); 176 ATF_REQUIRE(ttyname(STDIN_FILENO) == NULL); 177} 178 179ATF_TP_ADD_TCS(tp) 180{ 181 182 ttymax = sysconf(_SC_TTY_NAME_MAX); 183 ATF_REQUIRE(ttymax >= 0); 184 185 ATF_TP_ADD_TC(tp, ttyname_err); 186 ATF_TP_ADD_TC(tp, ttyname_r_err); 187 ATF_TP_ADD_TC(tp, ttyname_r_stdin); 188 ATF_TP_ADD_TC(tp, ttyname_stdin); 189 190 return atf_no_error(); 191} 192