t_symlinkat.c revision 1.1
1 /* $NetBSD: t_symlinkat.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_symlinkat.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 #include <sys/stat.h> 44 45 #define ODIR "olddir" 46 #define NDIR "newdir" 47 #define FILE "olddir/old" 48 #define BASEFILE "old" 49 #define RELFILE "../olddir/old" 50 #define LINK "newdir/symlink" 51 #define BASELINK "symlink" 52 #define FILEERR "olddir/olderr" 53 54 ATF_TC_WITH_CLEANUP(symlinkat_fd); 55 ATF_TC_HEAD(symlinkat_fd, tc) 56 { 57 atf_tc_set_md_var(tc, "descr", "See that symlinkat works with fd"); 58 } 59 60 ATF_TC_BODY(symlinkat_fd, tc) 61 { 62 int dfd, fd; 63 struct stat ost, nst; 64 65 ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 66 ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 67 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 68 ATF_REQUIRE(close(fd) != -1); 69 70 ATF_REQUIRE((dfd = open(NDIR, O_RDONLY, 0)) != -1); 71 ATF_REQUIRE(symlinkat(RELFILE, dfd, BASELINK) == 0); 72 ATF_REQUIRE(close(dfd) == 0); 73 74 ATF_REQUIRE(stat(FILE, &ost) == 0); 75 ATF_REQUIRE(stat(LINK, &nst) == 0); 76 ATF_REQUIRE(ost.st_ino == nst.st_ino); 77 } 78 79 ATF_TC_CLEANUP(symlinkat_fd, tc) 80 { 81 (void)unlink(FILE); 82 (void)unlink(LINK); 83 (void)rmdir(NDIR); 84 (void)rmdir(ODIR); 85 } 86 87 88 ATF_TC_WITH_CLEANUP(symlinkat_fdcwd); 89 ATF_TC_HEAD(symlinkat_fdcwd, tc) 90 { 91 atf_tc_set_md_var(tc, "descr", 92 "See that symlinkat works with fd as AT_FDCWD"); 93 } 94 95 ATF_TC_BODY(symlinkat_fdcwd, tc) 96 { 97 int fd; 98 struct stat ost, nst; 99 100 ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 101 ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 102 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 103 ATF_REQUIRE(close(fd) != -1); 104 105 ATF_REQUIRE(symlinkat(RELFILE, AT_FDCWD, LINK) == 0); 106 107 ATF_REQUIRE(stat(FILE, &ost) == 0); 108 ATF_REQUIRE(stat(LINK, &nst) == 0); 109 ATF_REQUIRE(ost.st_ino == nst.st_ino); 110 } 111 112 ATF_TC_CLEANUP(symlinkat_fdcwd, tc) 113 { 114 (void)unlink(FILE); 115 (void)unlink(LINK); 116 (void)rmdir(NDIR); 117 (void)rmdir(ODIR); 118 } 119 120 ATF_TC_WITH_CLEANUP(symlinkat_fdcwderr); 121 ATF_TC_HEAD(symlinkat_fdcwderr, tc) 122 { 123 atf_tc_set_md_var(tc, "descr", 124 "See that symlinkat works with fd as AT_FDCWD and bad path"); 125 } 126 127 ATF_TC_BODY(symlinkat_fdcwderr, tc) 128 { 129 int fd; 130 struct stat st; 131 132 ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 133 ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 134 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 135 ATF_REQUIRE(close(fd) != -1); 136 137 ATF_REQUIRE(symlinkat(FILEERR, AT_FDCWD, LINK) == 0); 138 ATF_REQUIRE(lstat(LINK, &st) == 0); 139 ATF_REQUIRE(stat(LINK, &st) == -1); 140 ATF_REQUIRE(errno == ENOENT); 141 142 } 143 144 ATF_TC_CLEANUP(symlinkat_fdcwderr, tc) 145 { 146 (void)unlink(FILE); 147 (void)unlink(FILEERR); 148 (void)unlink(LINK); 149 (void)rmdir(NDIR); 150 (void)rmdir(ODIR); 151 } 152 153 ATF_TC_WITH_CLEANUP(symlinkat_fderr); 154 ATF_TC_HEAD(symlinkat_fderr, tc) 155 { 156 atf_tc_set_md_var(tc, "descr", "See that symlinkat fails with fd as -1"); 157 } 158 159 ATF_TC_BODY(symlinkat_fderr, tc) 160 { 161 int fd; 162 163 ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 164 ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 165 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 166 ATF_REQUIRE(close(fd) != -1); 167 168 ATF_REQUIRE(symlinkat(RELFILE, -1, LINK) == -1); 169 } 170 171 ATF_TC_CLEANUP(symlinkat_fderr, tc) 172 { 173 (void)unlink(FILE); 174 (void)unlink(LINK); 175 (void)rmdir(NDIR); 176 (void)rmdir(ODIR); 177 } 178 179 ATF_TP_ADD_TCS(tp) 180 { 181 182 ATF_TP_ADD_TC(tp, symlinkat_fd); 183 ATF_TP_ADD_TC(tp, symlinkat_fdcwd); 184 ATF_TP_ADD_TC(tp, symlinkat_fdcwderr); 185 ATF_TP_ADD_TC(tp, symlinkat_fderr); 186 187 return atf_no_error(); 188 } 189
Indexes created Tue Sep 23 13:09:54 GMT 2025