| /*- |
| * 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. |
| */ |
| |
| static int |
| mkfile(const char *name, int mode, const char *contents, size_t size) |
| { |
| FILE *f = fopen(name, "wb"); |
| size_t written; |
| |
| (void)mode; /* UNUSED */ |
| if (f == NULL) |
| return (-1); |
| written = fwrite(contents, 1, size, f); |
| fclose(f); |
| if (size != written) |
| return (-1); |
| return (0); |
| } |
| |
| DEFINE_TEST(test_symlink_dir) |
| { |
| assertUmask(0); |
| |
| assertMakeDir("source", 0755); |
| assertEqualInt(0, mkfile("source/file", 0755, "a", 1)); |
| assertEqualInt(0, mkfile("source/file2", 0755, "ab", 2)); |
| assertMakeDir("source/dir", 0755); |
| assertMakeDir("source/dir/d", 0755); |
| assertEqualInt(0, mkfile("source/dir/f", 0755, "abc", 3)); |
| assertMakeDir("source/dir2", 0755); |
| assertMakeDir("source/dir2/d2", 0755); |
| assertEqualInt(0, mkfile("source/dir2/f2", 0755, "abcd", 4)); |
| assertMakeDir("source/dir3", 0755); |
| assertMakeDir("source/dir3/d3", 0755); |
| assertEqualInt(0, mkfile("source/dir3/f3", 0755, "abcde", 5)); |
| |
| assertEqualInt(0, |
| systemf("%s -cf test.tar -C source dir dir2 dir3 file file2", |
| 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"); |
| /* "dir2" is a symlink to a non-existing "real_dir2" */ |
| assertMakeSymlink("dest1/dir2", "real_dir2"); |
| } else { |
| skipping("some symlink checks"); |
| } |
| /* "dir3" is a symlink to an existing "non_dir3" */ |
| assertEqualInt(0, mkfile("dest1/non_dir3", 0755, "abcdef", 6)); |
| if (canSymlink()) |
| assertMakeSymlink("dest1/dir3", "non_dir3"); |
| /* "file" is a symlink to existing "real_file" */ |
| assertEqualInt(0, mkfile("dest1/real_file", 0755, "abcdefg", 7)); |
| if (canSymlink()) { |
| assertMakeSymlink("dest1/file", "real_file"); |
| /* "file2" is a symlink to non-existing "real_file2" */ |
| assertMakeSymlink("dest1/file2", "real_file2"); |
| } |
| 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"); |
| /* "dir2" is a symlink to a non-existing "real_dir2" */ |
| if (canSymlink()) |
| assertMakeSymlink("dest2/dir2", "real_dir2"); |
| /* "dir3" is a symlink to an existing "non_dir3" */ |
| assertEqualInt(0, mkfile("dest2/non_dir3", 0755, "abcdefgh", 8)); |
| if (canSymlink()) |
| assertMakeSymlink("dest2/dir3", "non_dir3"); |
| /* "file" is a symlink to existing "real_file" */ |
| assertEqualInt(0, mkfile("dest2/real_file", 0755, "abcdefghi", 9)); |
| if (canSymlink()) |
| assertMakeSymlink("dest2/file", "real_file"); |
| /* "file2" is a symlink to non-existing "real_file2" */ |
| if (canSymlink()) |
| assertMakeSymlink("dest2/file2", "real_file2"); |
| assertEqualInt(0, systemf("%s -xPf test.tar -C dest2", testprog)); |
| |
| /* dest2/dir symlink should be followed */ |
| if (canSymlink()) { |
| assertIsSymlink("dest2/dir", "real_dir"); |
| 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); |
| } |