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 27 /* 28 * tar -x -P should follow existing symlinks for dirs, but not other 29 * content. Plain tar -x should remove symlinks when they're in the 30 * way of a dir extraction. 31 */ 32 33 DEFINE_TEST(test_symlink_dir) 34 { 35 assertUmask(0); 36 37 assertMakeDir("source", 0755); 38 assertMakeFile("source/file", 0755, "a"); 39 assertMakeFile("source/file2", 0755, "ab"); 40 assertMakeDir("source/dir", 0755); 41 assertMakeDir("source/dir/d", 0755); 42 assertMakeFile("source/dir/f", 0755, "abc"); 43 assertMakeDir("source/dir2", 0755); 44 assertMakeDir("source/dir2/d2", 0755); 45 assertMakeFile("source/dir2/f2", 0755, "abcd"); 46 assertMakeDir("source/dir3", 0755); 47 assertMakeDir("source/dir3/d3", 0755); 48 assertMakeFile("source/dir3/f3", 0755, "abcde"); 49 assertMakeDir("source/dir4", 0755); 50 assertMakeFile("source/dir4/file3", 0755, "abcdef"); 51 assertMakeHardlink("source/dir4/file4", "source/dir4/file3"); 52 53 assertEqualInt(0, 54 systemf("%s -cf test.tar -C source dir dir2 dir3 file file2", 55 testprog)); 56 57 /* Second archive with hardlinks */ 58 assertEqualInt(0, 59 systemf("%s -cf test2.tar -C source dir4", testprog)); 60 61 /* 62 * Extract with -x and without -P. 63 */ 64 assertMakeDir("dest1", 0755); 65 /* "dir" is a symlink to an existing "dest1/real_dir" */ 66 assertMakeDir("dest1/real_dir", 0755); 67 if (canSymlink()) { 68 assertMakeSymlink("dest1/dir", "real_dir", 1); 69 /* "dir2" is a symlink to a non-existing "real_dir2" */ 70 assertMakeSymlink("dest1/dir2", "real_dir2", 1); 71 } else { 72 skipping("Symlinks are not supported on this platform"); 73 } 74 /* "dir3" is a symlink to an existing "non_dir3" */ 75 assertMakeFile("dest1/non_dir3", 0755, "abcdef"); 76 if (canSymlink()) 77 assertMakeSymlink("dest1/dir3", "non_dir3", 1); 78 /* "file" is a symlink to existing "real_file" */ 79 assertMakeFile("dest1/real_file", 0755, "abcdefg"); 80 if (canSymlink()) { 81 assertMakeSymlink("dest1/file", "real_file", 0); 82 /* "file2" is a symlink to non-existing "real_file2" */ 83 assertMakeSymlink("dest1/file2", "real_file2", 0); 84 } 85 assertEqualInt(0, systemf("%s -xf test.tar -C dest1", testprog)); 86 87 /* dest1/dir symlink should be replaced */ 88 failure("symlink to dir was followed when it shouldn't be"); 89 assertIsDir("dest1/dir", -1); 90 /* dest1/dir2 symlink should be replaced */ 91 failure("Broken symlink wasn't replaced with dir"); 92 assertIsDir("dest1/dir2", -1); 93 /* dest1/dir3 symlink should be replaced */ 94 failure("Symlink to non-dir wasn't replaced with dir"); 95 assertIsDir("dest1/dir3", -1); 96 /* dest1/file symlink should be replaced */ 97 failure("Symlink to existing file should be replaced"); 98 assertIsReg("dest1/file", -1); 99 /* dest1/file2 symlink should be replaced */ 100 failure("Symlink to non-existing file should be replaced"); 101 assertIsReg("dest1/file2", -1); 102 103 /* 104 * Extract with both -x and -P 105 */ 106 assertMakeDir("dest2", 0755); 107 /* "dir" is a symlink to existing "real_dir" */ 108 assertMakeDir("dest2/real_dir", 0755); 109 if (canSymlink()) 110 assertMakeSymlink("dest2/dir", "real_dir", 1); 111 /* "dir2" is a symlink to a non-existing "real_dir2" */ 112 if (canSymlink()) 113 assertMakeSymlink("dest2/dir2", "real_dir2", 1); 114 /* "dir3" is a symlink to an existing "non_dir3" */ 115 assertMakeFile("dest2/non_dir3", 0755, "abcdefgh"); 116 if (canSymlink()) 117 assertMakeSymlink("dest2/dir3", "non_dir3", 1); 118 /* "file" is a symlink to existing "real_file" */ 119 assertMakeFile("dest2/real_file", 0755, "abcdefghi"); 120 if (canSymlink()) 121 assertMakeSymlink("dest2/file", "real_file", 0); 122 /* "file2" is a symlink to non-existing "real_file2" */ 123 if (canSymlink()) 124 assertMakeSymlink("dest2/file2", "real_file2", 0); 125 assertEqualInt(0, systemf("%s -xPf test.tar -C dest2", testprog)); 126 127 /* "dir4" is a symlink to existing "real_dir" */ 128 if (canSymlink()) 129 assertMakeSymlink("dest2/dir4", "real_dir", 1); 130 assertEqualInt(0, systemf("%s -xPf test2.tar -C dest2", testprog)); 131 132 /* dest2/dir and dest2/dir4 symlinks should be followed */ 133 if (canSymlink()) { 134 assertIsSymlink("dest2/dir", "real_dir", 1); 135 assertIsSymlink("dest2/dir4", "real_dir", 1); 136 assertIsDir("dest2/real_dir", -1); 137 } 138 139 /* Contents of 'dir' should be restored */ 140 assertIsDir("dest2/dir/d", -1); 141 assertIsReg("dest2/dir/f", -1); 142 assertFileSize("dest2/dir/f", 3); 143 /* dest2/dir2 symlink should be removed */ 144 failure("Broken symlink wasn't replaced with dir"); 145 assertIsDir("dest2/dir2", -1); 146 /* dest2/dir3 symlink should be removed */ 147 failure("Symlink to non-dir wasn't replaced with dir"); 148 assertIsDir("dest2/dir3", -1); 149 /* dest2/file symlink should be removed; 150 * even -P shouldn't follow symlinks for files */ 151 failure("Symlink to existing file should be removed"); 152 assertIsReg("dest2/file", -1); 153 /* dest2/file2 symlink should be removed */ 154 failure("Symlink to non-existing file should be removed"); 155 assertIsReg("dest2/file2", -1); 156 157 /* dest2/dir4/file3 and dest2/dir4/file4 should be hard links */ 158 assertIsHardlink("dest2/dir4/file3", "dest2/dir4/file4"); 159 } 160