xref: /freebsd/contrib/libarchive/tar/test/test_option_r.c (revision b1d046441de9053152c7cf03d6b60d9882687e1b)
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("$FreeBSD$");
27 
28 /*
29  * Also see test_option_q for additional validation of -r support.
30  */
31 DEFINE_TEST(test_option_r)
32 {
33 	char buff[15];
34 	char *p0, *p1;
35 	size_t s;
36 	FILE *f;
37 	int r;
38 
39 	/* Create a file */
40 	f = fopen("f1", "w");
41 	if (!assert(f != NULL))
42 		return;
43 	assertEqualInt(3, fwrite("abc", 1, 3, f));
44 	fclose(f);
45 
46 	/* Archive that one file. */
47 	r = systemf("%s cf archive.tar --format=ustar f1 >step1.out 2>step1.err", testprog);
48 	failure("Error invoking %s cf archive.tar f1", testprog);
49 	assertEqualInt(r, 0);
50 
51 	/* Verify that nothing went to stdout or stderr. */
52 	assertEmptyFile("step1.out");
53 	assertEmptyFile("step1.err");
54 
55 
56 	/* Do some basic validation of the constructed archive. */
57 	p0 = slurpfile(&s, "archive.tar");
58 	if (!assert(p0 != NULL))
59 		return;
60 	if (!assert(s >= 2048)) {
61 		free(p0);
62 		return;
63 	}
64 	assertEqualMem(p0 + 0, "f1", 3);
65 	assertEqualMem(p0 + 512, "abc", 3);
66 	assertEqualMem(p0 + 1024, "\0\0\0\0\0\0\0\0", 8);
67 	assertEqualMem(p0 + 1536, "\0\0\0\0\0\0\0\0", 8);
68 
69 	/* Edit that file */
70 	f = fopen("f1", "w");
71 	if (!assert(f != NULL))
72 		return;
73 	assertEqualInt(3, fwrite("123", 1, 3, f));
74 	fclose(f);
75 
76 	/* Update the archive. */
77 	r = systemf("%s rf archive.tar --format=ustar f1 >step2.out 2>step2.err", testprog);
78 	failure("Error invoking %s rf archive.tar f1", testprog);
79 	assertEqualInt(r, 0);
80 
81 	/* Verify that nothing went to stdout or stderr. */
82 	assertEmptyFile("step2.out");
83 	assertEmptyFile("step2.err");
84 
85 	/* Do some basic validation of the constructed archive. */
86 	p1 = slurpfile(&s, "archive.tar");
87 	if (!assert(p1 != NULL)) {
88 		free(p0);
89 		return;
90 	}
91 	assert(s >= 3072);
92 	/* Verify first entry is unchanged. */
93 	assertEqualMem(p0, p1, 1024);
94 	/* Verify that second entry is correct. */
95 	assertEqualMem(p1 + 1024, "f1", 3);
96 	assertEqualMem(p1 + 1536, "123", 3);
97 	/* Verify end-of-archive marker. */
98 	assertEqualMem(p1 + 2048, "\0\0\0\0\0\0\0\0", 8);
99 	assertEqualMem(p1 + 2560, "\0\0\0\0\0\0\0\0", 8);
100 	free(p0);
101 	free(p1);
102 
103 	/* Unpack both items */
104 	assertMakeDir("step3", 0775);
105 	assertChdir("step3");
106 	r = systemf("%s xf ../archive.tar", testprog);
107 	failure("Error invoking %s xf archive.tar", testprog);
108 	assertEqualInt(r, 0);
109 
110 	/* Verify that the second one overwrote the first. */
111 	f = fopen("f1", "r");
112 	if (assert(f != NULL)) {
113 		assertEqualInt(3, fread(buff, 1, 3, f));
114 		assertEqualMem(buff, "123", 3);
115 		fclose(f);
116 	}
117 }
118