test_symlink_dir.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/tar/test/test_symlink_dir.c 348607 2019-06-04 10:35:54Z mm $"); 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 34DEFINE_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 assertMakeDir("source/dir4", 0755); 51 assertMakeFile("source/dir4/file3", 0755, "abcdef"); 52 assertMakeHardlink("source/dir4/file4", "source/dir4/file3"); 53 54 assertEqualInt(0, 55 systemf("%s -cf test.tar -C source dir dir2 dir3 file file2", 56 testprog)); 57 58 /* Second archive with hardlinks */ 59 assertEqualInt(0, 60 systemf("%s -cf test2.tar -C source dir4", testprog)); 61 62 /* 63 * Extract with -x and without -P. 64 */ 65 assertMakeDir("dest1", 0755); 66 /* "dir" is a symlink to an existing "dest1/real_dir" */ 67 assertMakeDir("dest1/real_dir", 0755); 68 if (canSymlink()) { 69 assertMakeSymlink("dest1/dir", "real_dir", 1); 70 /* "dir2" is a symlink to a non-existing "real_dir2" */ 71 assertMakeSymlink("dest1/dir2", "real_dir2", 1); 72 } else { 73 skipping("Symlinks are not supported on this platform"); 74 } 75 /* "dir3" is a symlink to an existing "non_dir3" */ 76 assertMakeFile("dest1/non_dir3", 0755, "abcdef"); 77 if (canSymlink()) 78 assertMakeSymlink("dest1/dir3", "non_dir3", 1); 79 /* "file" is a symlink to existing "real_file" */ 80 assertMakeFile("dest1/real_file", 0755, "abcdefg"); 81 if (canSymlink()) { 82 assertMakeSymlink("dest1/file", "real_file", 0); 83 /* "file2" is a symlink to non-existing "real_file2" */ 84 assertMakeSymlink("dest1/file2", "real_file2", 0); 85 } 86 assertEqualInt(0, systemf("%s -xf test.tar -C dest1", testprog)); 87 88 /* dest1/dir symlink should be replaced */ 89 failure("symlink to dir was followed when it shouldn't be"); 90 assertIsDir("dest1/dir", -1); 91 /* dest1/dir2 symlink should be replaced */ 92 failure("Broken symlink wasn't replaced with dir"); 93 assertIsDir("dest1/dir2", -1); 94 /* dest1/dir3 symlink should be replaced */ 95 failure("Symlink to non-dir wasn't replaced with dir"); 96 assertIsDir("dest1/dir3", -1); 97 /* dest1/file symlink should be replaced */ 98 failure("Symlink to existing file should be replaced"); 99 assertIsReg("dest1/file", -1); 100 /* dest1/file2 symlink should be replaced */ 101 failure("Symlink to non-existing file should be replaced"); 102 assertIsReg("dest1/file2", -1); 103 104 /* 105 * Extract with both -x and -P 106 */ 107 assertMakeDir("dest2", 0755); 108 /* "dir" is a symlink to existing "real_dir" */ 109 assertMakeDir("dest2/real_dir", 0755); 110 if (canSymlink()) 111 assertMakeSymlink("dest2/dir", "real_dir", 1); 112 /* "dir2" is a symlink to a non-existing "real_dir2" */ 113 if (canSymlink()) 114 assertMakeSymlink("dest2/dir2", "real_dir2", 1); 115 /* "dir3" is a symlink to an existing "non_dir3" */ 116 assertMakeFile("dest2/non_dir3", 0755, "abcdefgh"); 117 if (canSymlink()) 118 assertMakeSymlink("dest2/dir3", "non_dir3", 1); 119 /* "file" is a symlink to existing "real_file" */ 120 assertMakeFile("dest2/real_file", 0755, "abcdefghi"); 121 if (canSymlink()) 122 assertMakeSymlink("dest2/file", "real_file", 0); 123 /* "file2" is a symlink to non-existing "real_file2" */ 124 if (canSymlink()) 125 assertMakeSymlink("dest2/file2", "real_file2", 0); 126 assertEqualInt(0, systemf("%s -xPf test.tar -C dest2", testprog)); 127 128 /* "dir4" is a symlink to existing "real_dir" */ 129 if (canSymlink()) 130 assertMakeSymlink("dest2/dir4", "real_dir", 1); 131 assertEqualInt(0, systemf("%s -xPf test2.tar -C dest2", testprog)); 132 133 /* dest2/dir and dest2/dir4 symlinks should be followed */ 134 if (canSymlink()) { 135 assertIsSymlink("dest2/dir", "real_dir", 1); 136 assertIsSymlink("dest2/dir4", "real_dir", 1); 137 assertIsDir("dest2/real_dir", -1); 138 } 139 140 /* Contents of 'dir' should be restored */ 141 assertIsDir("dest2/dir/d", -1); 142 assertIsReg("dest2/dir/f", -1); 143 assertFileSize("dest2/dir/f", 3); 144 /* dest2/dir2 symlink should be removed */ 145 failure("Broken symlink wasn't replaced with dir"); 146 assertIsDir("dest2/dir2", -1); 147 /* dest2/dir3 symlink should be removed */ 148 failure("Symlink to non-dir wasn't replaced with dir"); 149 assertIsDir("dest2/dir3", -1); 150 /* dest2/file symlink should be removed; 151 * even -P shouldn't follow symlinks for files */ 152 failure("Symlink to existing file should be removed"); 153 assertIsReg("dest2/file", -1); 154 /* dest2/file2 symlink should be removed */ 155 failure("Symlink to non-existing file should be removed"); 156 assertIsReg("dest2/file2", -1); 157 158 /* dest2/dir4/file3 and dest2/dir4/file4 should be hard links */ 159 assertIsHardlink("dest2/dir4/file3", "dest2/dir4/file4"); 160} 161