1 /* $NetBSD: t_fchmodat.c,v 1.1 2012/11/18 17:41:54 manu Exp $ */ 2 3 /*- 4 * Copyright (c) 2012 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Emmanuel Dreyfus. 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_fchmodat.c,v 1.1 2012/11/18 17:41:54 manu Exp $"); 33 34 #include <atf-c.h> 35 #include <errno.h> 36 #include <fcntl.h> 37 #include <limits.h> 38 #include <paths.h> 39 #include <stdio.h> 40 #include <string.h> 41 #include <unistd.h> 42 #include <sys/param.h> 43 44 #define DIR "dir" 45 #define FILE "dir/fchmodat" 46 #define BASEFILE "fchmodat" 47 #define LINK "dir/symlink" 48 #define BASELINK "symlink" 49 #define FILEERR "dir/fchmodaterr" 50 51 ATF_TC_WITH_CLEANUP(fchmodat_fd); 52 ATF_TC_HEAD(fchmodat_fd, tc) 53 { 54 atf_tc_set_md_var(tc, "descr", "See that fchmodat works with fd"); 55 } 56 57 ATF_TC_BODY(fchmodat_fd, tc) 58 { 59 int dfd; 60 int fd; 61 struct stat st; 62 63 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 64 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 65 ATF_REQUIRE(close(fd) == 0); 66 67 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 68 ATF_REQUIRE(fchmodat(dfd, BASEFILE, 0600, 0) == 0); 69 ATF_REQUIRE(close(dfd) == 0); 70 71 ATF_REQUIRE(stat(FILE, &st) == 0); 72 ATF_REQUIRE(st.st_mode = 0600); 73 } 74 75 ATF_TC_CLEANUP(fchmodat_fd, tc) 76 { 77 (void)unlink(FILE); 78 (void)unlink(FILEERR); 79 (void)rmdir(DIR); 80 } 81 82 ATF_TC_WITH_CLEANUP(fchmodat_fdcwd); 83 ATF_TC_HEAD(fchmodat_fdcwd, tc) 84 { 85 atf_tc_set_md_var(tc, "descr", 86 "See that fchmodat works with fd as AT_FDCWD"); 87 } 88 89 ATF_TC_BODY(fchmodat_fdcwd, tc) 90 { 91 int fd; 92 struct stat st; 93 94 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 95 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 96 ATF_REQUIRE(close(fd) == 0); 97 98 ATF_REQUIRE(chdir(DIR) == 0); 99 ATF_REQUIRE(fchmodat(AT_FDCWD, BASEFILE, 0600, 0) == 0); 100 101 ATF_REQUIRE(stat(BASEFILE, &st) == 0); 102 ATF_REQUIRE(st.st_mode = 0600); 103 } 104 105 ATF_TC_CLEANUP(fchmodat_fdcwd, tc) 106 { 107 (void)unlink(FILE); 108 (void)unlink(FILEERR); 109 (void)rmdir(DIR); 110 } 111 112 ATF_TC_WITH_CLEANUP(fchmodat_fdcwderr); 113 ATF_TC_HEAD(fchmodat_fdcwderr, tc) 114 { 115 atf_tc_set_md_var(tc, "descr", 116 "See that fchmodat fails with fd as AT_FDCWD and bad path"); 117 } 118 119 ATF_TC_BODY(fchmodat_fdcwderr, tc) 120 { 121 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 122 ATF_REQUIRE(fchmodat(AT_FDCWD, FILEERR, 0600, 0) == -1); 123 } 124 125 ATF_TC_CLEANUP(fchmodat_fdcwderr, tc) 126 { 127 (void)unlink(FILE); 128 (void)unlink(FILEERR); 129 (void)rmdir(DIR); 130 } 131 132 ATF_TC_WITH_CLEANUP(fchmodat_fderr1); 133 ATF_TC_HEAD(fchmodat_fderr1, tc) 134 { 135 atf_tc_set_md_var(tc, "descr", "See that fchmodat fail with bad path"); 136 } 137 138 ATF_TC_BODY(fchmodat_fderr1, tc) 139 { 140 int dfd; 141 142 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 143 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 144 ATF_REQUIRE(fchmodat(dfd, FILEERR, 0600, 0) == -1); 145 ATF_REQUIRE(close(dfd) == 0); 146 } 147 148 ATF_TC_CLEANUP(fchmodat_fderr1, tc) 149 { 150 (void)unlink(FILE); 151 (void)unlink(FILEERR); 152 (void)rmdir(DIR); 153 } 154 155 ATF_TC_WITH_CLEANUP(fchmodat_fderr2); 156 ATF_TC_HEAD(fchmodat_fderr2, tc) 157 { 158 atf_tc_set_md_var(tc, "descr", "See that fchmodat fails with bad fdat"); 159 } 160 161 ATF_TC_BODY(fchmodat_fderr2, tc) 162 { 163 int dfd; 164 int fd; 165 char cwd[MAXPATHLEN]; 166 167 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 168 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 169 ATF_REQUIRE(close(fd) == 0); 170 171 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1); 172 ATF_REQUIRE(fchmodat(dfd, BASEFILE, 0600, 0) == -1); 173 ATF_REQUIRE(close(dfd) == 0); 174 } 175 176 ATF_TC_CLEANUP(fchmodat_fderr2, tc) 177 { 178 (void)unlink(FILE); 179 (void)unlink(FILEERR); 180 (void)rmdir(DIR); 181 } 182 183 ATF_TC_WITH_CLEANUP(fchmodat_fderr3); 184 ATF_TC_HEAD(fchmodat_fderr3, tc) 185 { 186 atf_tc_set_md_var(tc, "descr", "See that fchmodat fails with fd as -1"); 187 } 188 189 ATF_TC_BODY(fchmodat_fderr3, tc) 190 { 191 int fd; 192 193 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 194 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 195 ATF_REQUIRE(close(fd) == 0); 196 197 ATF_REQUIRE(fchmodat(-1, FILE, 0600, 0) == -1); 198 } 199 200 ATF_TC_CLEANUP(fchmodat_fderr3, tc) 201 { 202 (void)unlink(FILE); 203 (void)unlink(FILEERR); 204 (void)rmdir(DIR); 205 } 206 207 208 ATF_TC_WITH_CLEANUP(fchmodat_fdlink); 209 ATF_TC_HEAD(fchmodat_fdlink, tc) 210 { 211 atf_tc_set_md_var(tc, "descr", "See that fchmodat works on symlink"); 212 } 213 214 ATF_TC_BODY(fchmodat_fdlink, tc) 215 { 216 int dfdlink; 217 struct stat st; 218 219 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 220 ATF_REQUIRE(symlink(FILE, LINK) == 0); 221 222 ATF_REQUIRE((dfdlink = open(DIR, O_RDONLY, 0)) != -1); 223 224 ATF_REQUIRE(fchmodat(dfdlink, BASELINK, 0600, 0) == -1); 225 ATF_REQUIRE(errno = ENOENT); 226 227 ATF_REQUIRE(fchmodat(dfdlink, BASELINK, 0600, AT_SYMLINK_NOFOLLOW) == 0); 228 229 ATF_REQUIRE(close(dfdlink) == 0); 230 231 ATF_REQUIRE(lstat(LINK, &st) == 0); 232 ATF_REQUIRE(st.st_mode = 0600); 233 } 234 235 ATF_TC_CLEANUP(fchmodat_fdlink, tc) 236 { 237 (void)unlink(LINK); 238 (void)rmdir(DIR); 239 } 240 241 ATF_TP_ADD_TCS(tp) 242 { 243 244 ATF_TP_ADD_TC(tp, fchmodat_fd); 245 ATF_TP_ADD_TC(tp, fchmodat_fdcwd); 246 ATF_TP_ADD_TC(tp, fchmodat_fdcwderr); 247 ATF_TP_ADD_TC(tp, fchmodat_fderr1); 248 ATF_TP_ADD_TC(tp, fchmodat_fderr2); 249 ATF_TP_ADD_TC(tp, fchmodat_fderr3); 250 ATF_TP_ADD_TC(tp, fchmodat_fdlink); 251 252 return atf_no_error(); 253 } 254