2 * Copyright (c) 2003-2007 Tim Kientzle
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
26 __FBSDID("$FreeBSD$");
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.
34 DEFINE_TEST(test_symlink_dir)
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");
55 systemf("%s -cf test.tar -C source dir dir2 dir3 file file2",
58 /* Second archive with hardlinks */
60 systemf("%s -cf test2.tar -C source dir4", testprog));
63 * Extract with -x and without -P.
65 assertMakeDir("dest1", 0755);
66 /* "dir" is a symlink to an existing "dest1/real_dir" */
67 assertMakeDir("dest1/real_dir", 0755);
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);
73 skipping("Symlinks are not supported on this platform");
75 /* "dir3" is a symlink to an existing "non_dir3" */
76 assertMakeFile("dest1/non_dir3", 0755, "abcdef");
78 assertMakeSymlink("dest1/dir3", "non_dir3", 1);
79 /* "file" is a symlink to existing "real_file" */
80 assertMakeFile("dest1/real_file", 0755, "abcdefg");
82 assertMakeSymlink("dest1/file", "real_file", 0);
83 /* "file2" is a symlink to non-existing "real_file2" */
84 assertMakeSymlink("dest1/file2", "real_file2", 0);
86 assertEqualInt(0, systemf("%s -xf test.tar -C dest1", testprog));
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);
105 * Extract with both -x and -P
107 assertMakeDir("dest2", 0755);
108 /* "dir" is a symlink to existing "real_dir" */
109 assertMakeDir("dest2/real_dir", 0755);
111 assertMakeSymlink("dest2/dir", "real_dir", 1);
112 /* "dir2" is a symlink to a non-existing "real_dir2" */
114 assertMakeSymlink("dest2/dir2", "real_dir2", 1);
115 /* "dir3" is a symlink to an existing "non_dir3" */
116 assertMakeFile("dest2/non_dir3", 0755, "abcdefgh");
118 assertMakeSymlink("dest2/dir3", "non_dir3", 1);
119 /* "file" is a symlink to existing "real_file" */
120 assertMakeFile("dest2/real_file", 0755, "abcdefghi");
122 assertMakeSymlink("dest2/file", "real_file", 0);
123 /* "file2" is a symlink to non-existing "real_file2" */
125 assertMakeSymlink("dest2/file2", "real_file2", 0);
126 assertEqualInt(0, systemf("%s -xPf test.tar -C dest2", testprog));
128 /* "dir4" is a symlink to existing "real_dir" */
130 assertMakeSymlink("dest2/dir4", "real_dir", 1);
131 assertEqualInt(0, systemf("%s -xPf test2.tar -C dest2", testprog));
133 /* dest2/dir and dest2/dir4 symlinks should be followed */
135 assertIsSymlink("dest2/dir", "real_dir", 1);
136 assertIsSymlink("dest2/dir4", "real_dir", 1);
137 assertIsDir("dest2/real_dir", -1);
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);
158 /* dest2/dir4/file3 and dest2/dir4/file4 should be hard links */
159 assertIsHardlink("dest2/dir4/file3", "dest2/dir4/file4");