test_write_disk_symlink.c revision 348607
1/*- 2 * Copyright (c) 2003-2007 Tim Kientzle 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25#include "test.h" 26__FBSDID("$FreeBSD: stable/11/contrib/libarchive/libarchive/test/test_write_disk_symlink.c 348607 2019-06-04 10:35:54Z mm $"); 27 28/* 29 * Exercise symlink recreation. 30 */ 31DEFINE_TEST(test_write_disk_symlink) 32{ 33 static const char data[]="abcdefghijklmnopqrstuvwxyz"; 34 struct archive *ad; 35 struct archive_entry *ae; 36 int r; 37 38 if (!canSymlink()) { 39 skipping("Symlinks not supported"); 40 return; 41 } 42 43 /* Write entries to disk. */ 44 assert((ad = archive_write_disk_new()) != NULL); 45 46 /* 47 * First, create a regular file then a symlink to that file. 48 */ 49 50 /* Regular file: link1a */ 51 assert((ae = archive_entry_new()) != NULL); 52 archive_entry_copy_pathname(ae, "link1a"); 53 archive_entry_set_mode(ae, AE_IFREG | 0755); 54 archive_entry_set_size(ae, sizeof(data)); 55 assertEqualIntA(ad, 0, archive_write_header(ad, ae)); 56 assertEqualInt(sizeof(data), 57 archive_write_data(ad, data, sizeof(data))); 58 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 59 archive_entry_free(ae); 60 61 /* Symbolic Link: link1b -> link1a */ 62 assert((ae = archive_entry_new()) != NULL); 63 archive_entry_copy_pathname(ae, "link1b"); 64 archive_entry_set_mode(ae, AE_IFLNK | 0642); 65 archive_entry_set_size(ae, 0); 66 archive_entry_copy_symlink(ae, "link1a"); 67 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 68 if (r >= ARCHIVE_WARN) 69 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 70 archive_entry_free(ae); 71 72 /* 73 * We should be able to do this in the other order as well, 74 * of course. 75 */ 76 77 /* Symbolic link: link2b -> link2a */ 78 assert((ae = archive_entry_new()) != NULL); 79 archive_entry_copy_pathname(ae, "link2b"); 80 archive_entry_set_mode(ae, AE_IFLNK | 0642); 81 archive_entry_unset_size(ae); 82 archive_entry_copy_symlink(ae, "link2a"); 83 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 84 if (r >= ARCHIVE_WARN) { 85 assertEqualInt(ARCHIVE_WARN, 86 archive_write_data(ad, data, sizeof(data))); 87 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 88 } 89 archive_entry_free(ae); 90 91 /* File: link2a */ 92 assert((ae = archive_entry_new()) != NULL); 93 archive_entry_copy_pathname(ae, "link2a"); 94 archive_entry_set_mode(ae, AE_IFREG | 0755); 95 archive_entry_set_size(ae, sizeof(data)); 96 assertEqualIntA(ad, 0, archive_write_header(ad, ae)); 97 assertEqualInt(sizeof(data), 98 archive_write_data(ad, data, sizeof(data))); 99 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 100 archive_entry_free(ae); 101 102 /* Symbolic link: dot -> . */ 103 assert((ae = archive_entry_new()) != NULL); 104 archive_entry_copy_pathname(ae, "dot"); 105 archive_entry_set_mode(ae, AE_IFLNK | 0642); 106 archive_entry_unset_size(ae); 107 archive_entry_copy_symlink(ae, "."); 108 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 109 if (r >= ARCHIVE_WARN) 110 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 111 archive_entry_free(ae); 112 113 /* Symbolic link: dotdot -> .. */ 114 assert((ae = archive_entry_new()) != NULL); 115 archive_entry_copy_pathname(ae, "dotdot"); 116 archive_entry_set_mode(ae, AE_IFLNK | 0642); 117 archive_entry_unset_size(ae); 118 archive_entry_copy_symlink(ae, ".."); 119 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 120 if (r >= ARCHIVE_WARN) 121 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 122 archive_entry_free(ae); 123 124 /* Symbolic link: slash -> / */ 125 assert((ae = archive_entry_new()) != NULL); 126 archive_entry_copy_pathname(ae, "slash"); 127 archive_entry_set_mode(ae, AE_IFLNK | 0642); 128 archive_entry_unset_size(ae); 129 archive_entry_copy_symlink(ae, "/"); 130 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 131 if (r >= ARCHIVE_WARN) 132 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 133 archive_entry_free(ae); 134 135 /* Symbolic link: sldot -> /. */ 136 assert((ae = archive_entry_new()) != NULL); 137 archive_entry_copy_pathname(ae, "sldot"); 138 archive_entry_set_mode(ae, AE_IFLNK | 0642); 139 archive_entry_unset_size(ae); 140 archive_entry_copy_symlink(ae, "/."); 141 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 142 if (r >= ARCHIVE_WARN) 143 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 144 archive_entry_free(ae); 145 146 /* Symbolic link: sldotdot -> /.. */ 147 assert((ae = archive_entry_new()) != NULL); 148 archive_entry_copy_pathname(ae, "sldotdot"); 149 archive_entry_set_mode(ae, AE_IFLNK | 0642); 150 archive_entry_unset_size(ae); 151 archive_entry_copy_symlink(ae, "/.."); 152 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 153 if (r >= ARCHIVE_WARN) 154 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 155 archive_entry_free(ae); 156 157 /* Dir: d1 */ 158 assert((ae = archive_entry_new()) != NULL); 159 archive_entry_copy_pathname(ae, "d1"); 160 archive_entry_set_mode(ae, AE_IFDIR | 0777); 161 archive_entry_unset_size(ae); 162 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 163 if (r >= ARCHIVE_WARN) 164 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 165 archive_entry_free(ae); 166 167 /* Symbolic link: d1nosl -> d1 */ 168 assert((ae = archive_entry_new()) != NULL); 169 archive_entry_copy_pathname(ae, "d1nosl"); 170 archive_entry_set_mode(ae, AE_IFLNK | 0642); 171 archive_entry_unset_size(ae); 172 archive_entry_copy_symlink(ae, "d1"); 173 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 174 if (r >= ARCHIVE_WARN) 175 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 176 archive_entry_free(ae); 177 178 /* Symbolic link: d1slash -> d1/ */ 179 assert((ae = archive_entry_new()) != NULL); 180 archive_entry_copy_pathname(ae, "d1slash"); 181 archive_entry_set_mode(ae, AE_IFLNK | 0642); 182 archive_entry_unset_size(ae); 183 archive_entry_copy_symlink(ae, "d1/"); 184 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 185 if (r >= ARCHIVE_WARN) 186 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 187 archive_entry_free(ae); 188 189 /* Symbolic link: d1sldot -> d1/. */ 190 assert((ae = archive_entry_new()) != NULL); 191 archive_entry_copy_pathname(ae, "d1sldot"); 192 archive_entry_set_mode(ae, AE_IFLNK | 0642); 193 archive_entry_unset_size(ae); 194 archive_entry_copy_symlink(ae, "d1/."); 195 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 196 if (r >= ARCHIVE_WARN) 197 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 198 archive_entry_free(ae); 199 200 /* Symbolic link: d1slddot -> d1/.. */ 201 assert((ae = archive_entry_new()) != NULL); 202 archive_entry_copy_pathname(ae, "d1slddot"); 203 archive_entry_set_mode(ae, AE_IFLNK | 0642); 204 archive_entry_unset_size(ae); 205 archive_entry_copy_symlink(ae, "d1/.."); 206 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 207 if (r >= ARCHIVE_WARN) 208 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 209 archive_entry_free(ae); 210 211 /* Symbolic link: d1dir -> d1 */ 212 assert((ae = archive_entry_new()) != NULL); 213 archive_entry_copy_pathname(ae, "d1dir"); 214 archive_entry_set_mode(ae, AE_IFLNK | 0642); 215 archive_entry_set_symlink_type(ae, AE_SYMLINK_TYPE_DIRECTORY); 216 archive_entry_unset_size(ae); 217 archive_entry_copy_symlink(ae, "d1"); 218 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 219 if (r >= ARCHIVE_WARN) 220 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 221 archive_entry_free(ae); 222 223 /* Symbolic link: d1file -> d1 */ 224 assert((ae = archive_entry_new()) != NULL); 225 archive_entry_copy_pathname(ae, "d1file"); 226 archive_entry_set_mode(ae, AE_IFLNK | 0642); 227 archive_entry_set_symlink_type(ae, AE_SYMLINK_TYPE_FILE); 228 archive_entry_unset_size(ae); 229 archive_entry_copy_symlink(ae, "d1"); 230 assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); 231 if (r >= ARCHIVE_WARN) 232 assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); 233 archive_entry_free(ae); 234 235 assertEqualInt(ARCHIVE_OK, archive_write_free(ad)); 236 237 /* Test the entries on disk. */ 238 239 /* Test #1 */ 240 assertIsReg("link1a", -1); 241 assertFileSize("link1a", sizeof(data)); 242 assertFileNLinks("link1a", 1); 243 assertIsSymlink("link1b", "link1a", 0); 244 245 /* Test #2: Should produce identical results to test #1 */ 246 assertIsReg("link2a", -1); 247 assertFileSize("link2a", sizeof(data)); 248 assertFileNLinks("link2a", 1); 249 assertIsSymlink("link2b", "link2a", 0); 250 251 /* Test #3: Special symlinks */ 252 assertIsSymlink("dot", ".", 1); 253 assertIsSymlink("dotdot", "..", 1); 254 assertIsSymlink("slash", "/", 1); 255 assertIsSymlink("sldot", "/.", 1); 256 assertIsSymlink("sldotdot", "/..", 1); 257 258 /* Test #4: Directory symlink mixed with . and .. */ 259 assertIsDir("d1", -1); 260 /* On Windows, d1nosl should be a file symlink */ 261 assertIsSymlink("d1nosl", "d1", 0); 262 assertIsSymlink("d1slash", "d1/", 1); 263 assertIsSymlink("d1sldot", "d1/.", 1); 264 assertIsSymlink("d1slddot", "d1/..", 1); 265 266 /* Test #5: symlink_type is set */ 267 assertIsSymlink("d1dir", "d1", 1); 268 assertIsSymlink("d1file", "d1", 0); 269} 270