1 /* $NetBSD: t_fchmodat.c,v 1.2 2013/03/17 04:46:06 jmmv 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 1.2 2013/03/17 04:46:06 jmmv 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 #ifdef __FreeBSD__ 44 #include <sys/stat.h> 45 #endif 46 47 #define DIR "dir" 48 #define FILE "dir/fchmodat" 49 #define BASEFILE "fchmodat" 50 #define LINK "dir/symlink" 51 #define BASELINK "symlink" 52 #define FILEERR "dir/fchmodaterr" 53 54 ATF_TC(fchmodat_fd); 55 ATF_TC_HEAD(fchmodat_fd, tc) 56 { 57 atf_tc_set_md_var(tc, "descr", "See that fchmodat works with fd"); 58 } 59 ATF_TC_BODY(fchmodat_fd, tc) 60 { 61 int dfd; 62 int fd; 63 struct stat st; 64 65 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 66 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 67 ATF_REQUIRE(close(fd) == 0); 68 69 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 70 ATF_REQUIRE(fchmodat(dfd, BASEFILE, 0600, 0) == 0); 71 ATF_REQUIRE(close(dfd) == 0); 72 73 ATF_REQUIRE(stat(FILE, &st) == 0); 74 ATF_REQUIRE(st.st_mode = 0600); 75 } 76 77 ATF_TC(fchmodat_fdcwd); 78 ATF_TC_HEAD(fchmodat_fdcwd, tc) 79 { 80 atf_tc_set_md_var(tc, "descr", 81 "See that fchmodat works with fd as AT_FDCWD"); 82 } 83 ATF_TC_BODY(fchmodat_fdcwd, tc) 84 { 85 int fd; 86 struct stat st; 87 88 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 89 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 90 ATF_REQUIRE(close(fd) == 0); 91 92 ATF_REQUIRE(chdir(DIR) == 0); 93 ATF_REQUIRE(fchmodat(AT_FDCWD, BASEFILE, 0600, 0) == 0); 94 95 ATF_REQUIRE(stat(BASEFILE, &st) == 0); 96 ATF_REQUIRE(st.st_mode = 0600); 97 } 98 99 ATF_TC(fchmodat_fdcwderr); 100 ATF_TC_HEAD(fchmodat_fdcwderr, tc) 101 { 102 atf_tc_set_md_var(tc, "descr", 103 "See that fchmodat fails with fd as AT_FDCWD and bad path"); 104 } 105 ATF_TC_BODY(fchmodat_fdcwderr, tc) 106 { 107 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 108 ATF_REQUIRE(fchmodat(AT_FDCWD, FILEERR, 0600, 0) == -1); 109 } 110 111 ATF_TC(fchmodat_fderr1); 112 ATF_TC_HEAD(fchmodat_fderr1, tc) 113 { 114 atf_tc_set_md_var(tc, "descr", "See that fchmodat fail with bad path"); 115 } 116 ATF_TC_BODY(fchmodat_fderr1, tc) 117 { 118 int dfd; 119 120 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 121 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 122 ATF_REQUIRE(fchmodat(dfd, FILEERR, 0600, 0) == -1); 123 ATF_REQUIRE(close(dfd) == 0); 124 } 125 126 ATF_TC(fchmodat_fderr2); 127 ATF_TC_HEAD(fchmodat_fderr2, tc) 128 { 129 atf_tc_set_md_var(tc, "descr", "See that fchmodat fails with bad fdat"); 130 } 131 ATF_TC_BODY(fchmodat_fderr2, tc) 132 { 133 int dfd; 134 int fd; 135 char cwd[MAXPATHLEN]; 136 137 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 138 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 139 ATF_REQUIRE(close(fd) == 0); 140 141 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1); 142 ATF_REQUIRE(fchmodat(dfd, BASEFILE, 0600, 0) == -1); 143 ATF_REQUIRE(close(dfd) == 0); 144 } 145 146 ATF_TC(fchmodat_fderr3); 147 ATF_TC_HEAD(fchmodat_fderr3, tc) 148 { 149 atf_tc_set_md_var(tc, "descr", "See that fchmodat fails with fd as -1"); 150 } 151 ATF_TC_BODY(fchmodat_fderr3, tc) 152 { 153 int fd; 154 155 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 156 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 157 ATF_REQUIRE(close(fd) == 0); 158 159 ATF_REQUIRE(fchmodat(-1, FILE, 0600, 0) == -1); 160 } 161 162 ATF_TC(fchmodat_fdlink); 163 ATF_TC_HEAD(fchmodat_fdlink, tc) 164 { 165 atf_tc_set_md_var(tc, "descr", "See that fchmodat works on symlink"); 166 } 167 ATF_TC_BODY(fchmodat_fdlink, tc) 168 { 169 int dfdlink; 170 struct stat st; 171 172 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 173 ATF_REQUIRE(symlink(FILE, LINK) == 0); 174 175 ATF_REQUIRE((dfdlink = open(DIR, O_RDONLY, 0)) != -1); 176 177 ATF_REQUIRE(fchmodat(dfdlink, BASELINK, 0600, 0) == -1); 178 ATF_REQUIRE(errno = ENOENT); 179 180 ATF_REQUIRE(fchmodat(dfdlink, BASELINK, 0600, AT_SYMLINK_NOFOLLOW) == 0); 181 182 ATF_REQUIRE(close(dfdlink) == 0); 183 184 ATF_REQUIRE(lstat(LINK, &st) == 0); 185 ATF_REQUIRE(st.st_mode = 0600); 186 } 187 188 ATF_TP_ADD_TCS(tp) 189 { 190 191 ATF_TP_ADD_TC(tp, fchmodat_fd); 192 ATF_TP_ADD_TC(tp, fchmodat_fdcwd); 193 ATF_TP_ADD_TC(tp, fchmodat_fdcwderr); 194 ATF_TP_ADD_TC(tp, fchmodat_fderr1); 195 ATF_TP_ADD_TC(tp, fchmodat_fderr2); 196 ATF_TP_ADD_TC(tp, fchmodat_fderr3); 197 ATF_TP_ADD_TC(tp, fchmodat_fdlink); 198 199 return atf_no_error(); 200 } 201