/*- * Copyright (c) 2003-2007 Tim Kientzle * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "test.h" __FBSDID("$FreeBSD: src/usr.bin/tar/test/test_symlink_dir.c,v 1.1 2008/09/14 02:16:04 kientzle Exp $"); /* * tar -x -P should follow existing symlinks for dirs, but not other * content. Plain tar -x should remove symlinks when they're in the * way of a dir extraction. */ DEFINE_TEST(test_symlink_dir) { assertUmask(0); assertMakeDir("source", 0755); assertMakeFile("source/file", 0755, "a"); assertMakeFile("source/file2", 0755, "ab"); assertMakeDir("source/dir", 0755); assertMakeDir("source/dir/d", 0755); assertMakeFile("source/dir/f", 0755, "abc"); assertMakeDir("source/dir2", 0755); assertMakeDir("source/dir2/d2", 0755); assertMakeFile("source/dir2/f2", 0755, "abcd"); assertMakeDir("source/dir3", 0755); assertMakeDir("source/dir3/d3", 0755); assertMakeFile("source/dir3/f3", 0755, "abcde"); assertMakeDir("source/dir4", 0755); assertMakeFile("source/dir4/file3", 0755, "abcdef"); assertMakeHardlink("source/dir4/file4", "source/dir4/file3"); assertEqualInt(0, systemf("%s -cf test.tar -C source dir dir2 dir3 file file2", testprog)); /* Second archive with hardlinks */ assertEqualInt(0, systemf("%s -cf test2.tar -C source dir4", testprog)); /* * Extract with -x and without -P. */ assertMakeDir("dest1", 0755); /* "dir" is a symlink to an existing "dest1/real_dir" */ assertMakeDir("dest1/real_dir", 0755); if (canSymlink()) { assertMakeSymlink("dest1/dir", "real_dir", 1); /* "dir2" is a symlink to a non-existing "real_dir2" */ assertMakeSymlink("dest1/dir2", "real_dir2", 1); } else { skipping("Symlinks are not supported on this platform"); } /* "dir3" is a symlink to an existing "non_dir3" */ assertMakeFile("dest1/non_dir3", 0755, "abcdef"); if (canSymlink()) assertMakeSymlink("dest1/dir3", "non_dir3", 1); /* "file" is a symlink to existing "real_file" */ assertMakeFile("dest1/real_file", 0755, "abcdefg"); if (canSymlink()) { assertMakeSymlink("dest1/file", "real_file", 0); /* "file2" is a symlink to non-existing "real_file2" */ assertMakeSymlink("dest1/file2", "real_file2", 0); } assertEqualInt(0, systemf("%s -xf test.tar -C dest1", testprog)); /* dest1/dir symlink should be replaced */ failure("symlink to dir was followed when it shouldn't be"); assertIsDir("dest1/dir", -1); /* dest1/dir2 symlink should be replaced */ failure("Broken symlink wasn't replaced with dir"); assertIsDir("dest1/dir2", -1); /* dest1/dir3 symlink should be replaced */ failure("Symlink to non-dir wasn't replaced with dir"); assertIsDir("dest1/dir3", -1); /* dest1/file symlink should be replaced */ failure("Symlink to existing file should be replaced"); assertIsReg("dest1/file", -1); /* dest1/file2 symlink should be replaced */ failure("Symlink to non-existing file should be replaced"); assertIsReg("dest1/file2", -1); /* * Extract with both -x and -P */ assertMakeDir("dest2", 0755); /* "dir" is a symlink to existing "real_dir" */ assertMakeDir("dest2/real_dir", 0755); if (canSymlink()) assertMakeSymlink("dest2/dir", "real_dir", 1); /* "dir2" is a symlink to a non-existing "real_dir2" */ if (canSymlink()) assertMakeSymlink("dest2/dir2", "real_dir2", 1); /* "dir3" is a symlink to an existing "non_dir3" */ assertMakeFile("dest2/non_dir3", 0755, "abcdefgh"); if (canSymlink()) assertMakeSymlink("dest2/dir3", "non_dir3", 1); /* "file" is a symlink to existing "real_file" */ assertMakeFile("dest2/real_file", 0755, "abcdefghi"); if (canSymlink()) assertMakeSymlink("dest2/file", "real_file", 0); /* "file2" is a symlink to non-existing "real_file2" */ if (canSymlink()) assertMakeSymlink("dest2/file2", "real_file2", 0); assertEqualInt(0, systemf("%s -xPf test.tar -C dest2", testprog)); /* "dir4" is a symlink to existing "real_dir" */ if (canSymlink()) assertMakeSymlink("dest2/dir4", "real_dir", 1); assertEqualInt(0, systemf("%s -xPf test2.tar -C dest2", testprog)); /* dest2/dir and dest2/dir4 symlinks should be followed */ if (canSymlink()) { assertIsSymlink("dest2/dir", "real_dir", 1); assertIsSymlink("dest2/dir4", "real_dir", 1); assertIsDir("dest2/real_dir", -1); } /* Contents of 'dir' should be restored */ assertIsDir("dest2/dir/d", -1); assertIsReg("dest2/dir/f", -1); assertFileSize("dest2/dir/f", 3); /* dest2/dir2 symlink should be removed */ failure("Broken symlink wasn't replaced with dir"); assertIsDir("dest2/dir2", -1); /* dest2/dir3 symlink should be removed */ failure("Symlink to non-dir wasn't replaced with dir"); assertIsDir("dest2/dir3", -1); /* dest2/file symlink should be removed; * even -P shouldn't follow symlinks for files */ failure("Symlink to existing file should be removed"); assertIsReg("dest2/file", -1); /* dest2/file2 symlink should be removed */ failure("Symlink to non-existing file should be removed"); assertIsReg("dest2/file2", -1); /* dest2/dir4/file3 and dest2/dir4/file4 should be hard links */ assertIsHardlink("dest2/dir4/file3", "dest2/dir4/file4"); }