t_mknodat.c revision 1.1.2.2
1 1.1.2.2 manu /* $NetBSD: t_mknodat.c,v 1.1.2.2 2012/11/18 17:41:55 manu Exp $ */ 2 1.1.2.2 manu 3 1.1.2.2 manu /*- 4 1.1.2.2 manu * Copyright (c) 2012 The NetBSD Foundation, Inc. 5 1.1.2.2 manu * All rights reserved. 6 1.1.2.2 manu * 7 1.1.2.2 manu * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 manu * by Emmanuel Dreyfus. 9 1.1.2.2 manu * 10 1.1.2.2 manu * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 manu * modification, are permitted provided that the following conditions 12 1.1.2.2 manu * are met: 13 1.1.2.2 manu * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 manu * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 manu * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 manu * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 manu * documentation and/or other materials provided with the distribution. 18 1.1.2.2 manu * 19 1.1.2.2 manu * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1.2.2 manu * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1.2.2 manu * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1.2.2 manu * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1.2.2 manu * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1.2.2 manu * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1.2.2 manu * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1.2.2 manu * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1.2.2 manu * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1.2.2 manu * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1.2.2 manu * POSSIBILITY OF SUCH DAMAGE. 30 1.1.2.2 manu */ 31 1.1.2.2 manu #include <sys/cdefs.h> 32 1.1.2.2 manu __RCSID("$NetBSD: t_mknodat.c,v 1.1.2.2 2012/11/18 17:41:55 manu Exp $"); 33 1.1.2.2 manu 34 1.1.2.2 manu #include <atf-c.h> 35 1.1.2.2 manu #include <errno.h> 36 1.1.2.2 manu #include <fcntl.h> 37 1.1.2.2 manu #include <limits.h> 38 1.1.2.2 manu #include <paths.h> 39 1.1.2.2 manu #include <stdio.h> 40 1.1.2.2 manu #include <string.h> 41 1.1.2.2 manu #include <unistd.h> 42 1.1.2.2 manu #include <sys/param.h> 43 1.1.2.2 manu #include <sys/stat.h> 44 1.1.2.2 manu 45 1.1.2.2 manu #define DIR "dir" 46 1.1.2.2 manu #define FILE "dir/openat" 47 1.1.2.2 manu #define BASEFILE "openat" 48 1.1.2.2 manu #define FILEERR "dir/openaterr" 49 1.1.2.2 manu 50 1.1.2.2 manu static dev_t get_devnull(void); 51 1.1.2.2 manu 52 1.1.2.2 manu static dev_t 53 1.1.2.2 manu get_devnull(void) 54 1.1.2.2 manu { 55 1.1.2.2 manu struct stat st; 56 1.1.2.2 manu 57 1.1.2.2 manu if (stat(_PATH_DEVNULL, &st) != 0) 58 1.1.2.2 manu return NODEV; 59 1.1.2.2 manu 60 1.1.2.2 manu return st.st_rdev; 61 1.1.2.2 manu } 62 1.1.2.2 manu 63 1.1.2.2 manu 64 1.1.2.2 manu ATF_TC_WITH_CLEANUP(mknodat_fd); 65 1.1.2.2 manu ATF_TC_HEAD(mknodat_fd, tc) 66 1.1.2.2 manu { 67 1.1.2.2 manu atf_tc_set_md_var(tc, "descr", "See that mknodat works with fd"); 68 1.1.2.2 manu } 69 1.1.2.2 manu 70 1.1.2.2 manu ATF_TC_BODY(mknodat_fd, tc) 71 1.1.2.2 manu { 72 1.1.2.2 manu int dfd; 73 1.1.2.2 manu int fd; 74 1.1.2.2 manu dev_t dev; 75 1.1.2.2 manu mode_t mode = S_IFCHR|0600; 76 1.1.2.2 manu 77 1.1.2.2 manu ATF_REQUIRE((dev = get_devnull()) != NODEV); 78 1.1.2.2 manu ATF_REQUIRE(mkdir(DIR, 0755) == 0); 79 1.1.2.2 manu ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 80 1.1.2.2 manu ATF_REQUIRE((fd = mknodat(dfd, BASEFILE, mode, dev)) != -1); 81 1.1.2.2 manu ATF_REQUIRE(close(fd) == 0); 82 1.1.2.2 manu ATF_REQUIRE(access(FILE, F_OK) == 0); 83 1.1.2.2 manu } 84 1.1.2.2 manu 85 1.1.2.2 manu ATF_TC_CLEANUP(mknodat_fd, tc) 86 1.1.2.2 manu { 87 1.1.2.2 manu (void)unlink(FILE); 88 1.1.2.2 manu (void)unlink(FILEERR); 89 1.1.2.2 manu (void)rmdir(DIR); 90 1.1.2.2 manu } 91 1.1.2.2 manu 92 1.1.2.2 manu 93 1.1.2.2 manu ATF_TC_WITH_CLEANUP(mknodat_fdcwd); 94 1.1.2.2 manu ATF_TC_HEAD(mknodat_fdcwd, tc) 95 1.1.2.2 manu { 96 1.1.2.2 manu atf_tc_set_md_var(tc, "descr", 97 1.1.2.2 manu "See that mknodat works with fd as AT_FDCWD"); 98 1.1.2.2 manu } 99 1.1.2.2 manu 100 1.1.2.2 manu ATF_TC_BODY(mknodat_fdcwd, tc) 101 1.1.2.2 manu { 102 1.1.2.2 manu int fd; 103 1.1.2.2 manu dev_t dev; 104 1.1.2.2 manu mode_t mode = S_IFCHR|0600; 105 1.1.2.2 manu 106 1.1.2.2 manu ATF_REQUIRE((dev = get_devnull()) != NODEV); 107 1.1.2.2 manu ATF_REQUIRE(mkdir(DIR, 0755) == 0); 108 1.1.2.2 manu ATF_REQUIRE((fd = mknodat(AT_FDCWD, FILE, mode, dev)) != -1); 109 1.1.2.2 manu ATF_REQUIRE(close(fd) == 0); 110 1.1.2.2 manu ATF_REQUIRE(access(FILE, F_OK) == 0); 111 1.1.2.2 manu } 112 1.1.2.2 manu 113 1.1.2.2 manu ATF_TC_CLEANUP(mknodat_fdcwd, tc) 114 1.1.2.2 manu { 115 1.1.2.2 manu (void)unlink(FILE); 116 1.1.2.2 manu (void)unlink(FILEERR); 117 1.1.2.2 manu (void)rmdir(DIR); 118 1.1.2.2 manu } 119 1.1.2.2 manu 120 1.1.2.2 manu ATF_TC_WITH_CLEANUP(mknodat_fdcwderr); 121 1.1.2.2 manu ATF_TC_HEAD(mknodat_fdcwderr, tc) 122 1.1.2.2 manu { 123 1.1.2.2 manu atf_tc_set_md_var(tc, "descr", 124 1.1.2.2 manu "See that mknodat fails with fd as AT_FDCWD and bad path"); 125 1.1.2.2 manu } 126 1.1.2.2 manu 127 1.1.2.2 manu ATF_TC_BODY(mknodat_fdcwderr, tc) 128 1.1.2.2 manu { 129 1.1.2.2 manu int fd; 130 1.1.2.2 manu dev_t dev; 131 1.1.2.2 manu mode_t mode = S_IFCHR|0600; 132 1.1.2.2 manu 133 1.1.2.2 manu ATF_REQUIRE((dev = get_devnull()) != NODEV); 134 1.1.2.2 manu ATF_REQUIRE((fd = mknodat(AT_FDCWD, FILEERR, mode, dev)) == -1); 135 1.1.2.2 manu } 136 1.1.2.2 manu 137 1.1.2.2 manu ATF_TC_CLEANUP(mknodat_fdcwderr, tc) 138 1.1.2.2 manu { 139 1.1.2.2 manu (void)unlink(FILE); 140 1.1.2.2 manu (void)unlink(FILEERR); 141 1.1.2.2 manu (void)rmdir(DIR); 142 1.1.2.2 manu } 143 1.1.2.2 manu 144 1.1.2.2 manu ATF_TC_WITH_CLEANUP(mknodat_fderr); 145 1.1.2.2 manu ATF_TC_HEAD(mknodat_fderr, tc) 146 1.1.2.2 manu { 147 1.1.2.2 manu atf_tc_set_md_var(tc, "descr", "See that mknodat fails with fd as -1"); 148 1.1.2.2 manu } 149 1.1.2.2 manu 150 1.1.2.2 manu ATF_TC_BODY(mknodat_fderr, tc) 151 1.1.2.2 manu { 152 1.1.2.2 manu int fd; 153 1.1.2.2 manu dev_t dev; 154 1.1.2.2 manu mode_t mode = S_IFCHR|0600; 155 1.1.2.2 manu 156 1.1.2.2 manu ATF_REQUIRE((dev = get_devnull()) != NODEV); 157 1.1.2.2 manu ATF_REQUIRE(mkdir(DIR, 0755) == 0); 158 1.1.2.2 manu ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 159 1.1.2.2 manu ATF_REQUIRE(close(fd) == 0); 160 1.1.2.2 manu ATF_REQUIRE((fd = mknodat(-1, FILE, mode, dev)) == -1); 161 1.1.2.2 manu } 162 1.1.2.2 manu 163 1.1.2.2 manu ATF_TC_CLEANUP(mknodat_fderr, tc) 164 1.1.2.2 manu { 165 1.1.2.2 manu (void)unlink(FILE); 166 1.1.2.2 manu (void)unlink(FILEERR); 167 1.1.2.2 manu (void)rmdir(DIR); 168 1.1.2.2 manu } 169 1.1.2.2 manu 170 1.1.2.2 manu 171 1.1.2.2 manu ATF_TP_ADD_TCS(tp) 172 1.1.2.2 manu { 173 1.1.2.2 manu 174 1.1.2.2 manu ATF_TP_ADD_TC(tp, mknodat_fd); 175 1.1.2.2 manu ATF_TP_ADD_TC(tp, mknodat_fdcwd); 176 1.1.2.2 manu ATF_TP_ADD_TC(tp, mknodat_fdcwderr); 177 1.1.2.2 manu ATF_TP_ADD_TC(tp, mknodat_fderr); 178 1.1.2.2 manu 179 1.1.2.2 manu return atf_no_error(); 180 1.1.2.2 manu } 181
Indexes created Fri Oct 03 02:09:57 GMT 2025