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