xref: /freebsd/contrib/libarchive/tar/test/test_option_safe_writes.c (revision a90b9d0159070121c221b966469c3e36d912bf82)
1 /*-
2  * Copyright (c) 2020 Martin Matuska
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 
27 DEFINE_TEST(test_option_safe_writes)
28 {
29 	/* Create files */
30 	assertMakeDir("in", 0755);
31 	assertEqualInt(0, chdir("in"));
32 	assertMakeFile("f", 0644, "a");
33 	assertMakeFile("fh", 0644, "b");
34 	assertMakeFile("d", 0644, "c");
35 	assertMakeFile("fs", 0644, "d");
36 	assertMakeFile("ds", 0644, "e");
37 	assertEqualInt(0, chdir(".."));
38 
39 	/* Tar files up */
40 	assertEqualInt(0,
41 	    systemf("%s -c -C in -f t.tar f fh d fs ds "
42 	    ">pack.out 2>pack.err", testprog));
43 
44         /* Verify that nothing went to stdout or stderr. */
45         assertEmptyFile("pack.err");
46         assertEmptyFile("pack.out");
47 
48 	/* Create various objects */
49 	assertMakeDir("out", 0755);
50 	assertEqualInt(0, chdir("out"));
51 	assertMakeFile("f", 0644, "a");
52 	assertMakeHardlink("fh", "f");
53 	assertMakeDir("d", 0755);
54 	if (canSymlink()) {
55 		assertMakeSymlink("fs", "f", 0);
56 		assertMakeSymlink("ds", "d", 1);
57 	}
58 	assertEqualInt(0, chdir(".."));
59 
60 	/* Extract created archive with safe writes */
61 	assertEqualInt(0,
62 	    systemf("%s -x -C out --safe-writes -f t.tar "
63 	    ">unpack.out 2>unpack.err", testprog));
64 
65         /* Verify that nothing went to stdout or stderr. */
66         assertEmptyFile("unpack.err");
67         assertEmptyFile("unpack.out");
68 
69 	/* Verify that files were overwritten properly */
70 	assertEqualInt(0, chdir("out"));
71 	assertTextFileContents("a","f");
72 	assertTextFileContents("b","fh");
73 	assertTextFileContents("c","d");
74 	assertTextFileContents("d","fs");
75 	assertTextFileContents("e","ds");
76 }
77