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: stable/10/contrib/libarchive/tar/test/test_option_r.c 310570 2016-12-26 06:25:39Z ngie $");
27
28/*
29 * Also see test_option_q for additional validation of -r support.
30 */
31DEFINE_TEST(test_option_r)
32{
33	char *buff;
34	char *p0, *p1;
35	size_t buff_size = 35000;
36	size_t s, buff_size_rounded;
37	int r, i;
38
39	buff = NULL;
40	p0 = NULL;
41	p1 = NULL;
42
43	/* Create an archive with one file. */
44	assertMakeFile("f1", 0644, "abc");
45	r = systemf("%s cf archive.tar --format=ustar f1 >step1.out 2>step1.err", testprog);
46	failure("Error invoking %s cf archive.tar f1", testprog);
47	assertEqualInt(r, 0);
48	assertEmptyFile("step1.out");
49	assertEmptyFile("step1.err");
50
51	/* Do some basic validation of the constructed archive. */
52	p0 = slurpfile(&s, "archive.tar");
53	if (!assert(p0 != NULL))
54		goto done;
55	if (!assert(s >= 2048))
56		goto done;
57	assertEqualMem(p0 + 0, "f1", 3);
58	assertEqualMem(p0 + 512, "abc", 3);
59	assertEqualMem(p0 + 1024, "\0\0\0\0\0\0\0\0", 8);
60	assertEqualMem(p0 + 1536, "\0\0\0\0\0\0\0\0", 8);
61
62	/* Edit that file with a lot more data and update the archive with a new copy. */
63	buff = malloc(buff_size);
64	assert(buff != NULL);
65	if (buff == NULL)
66		goto done;
67
68	for (i = 0; i < (int)buff_size; ++i)
69		buff[i] = "abcdefghijklmnopqrstuvwxyz"[rand() % 26];
70	buff[buff_size - 1] = '\0';
71	assertMakeFile("f1", 0644, buff);
72	r = systemf("%s rf archive.tar --format=ustar f1 >step2.out 2>step2.err", testprog);
73	failure("Error invoking %s rf archive.tar f1", testprog);
74	assertEqualInt(r, 0);
75	assertEmptyFile("step2.out");
76	assertEmptyFile("step2.err");
77
78	/* The constructed archive should just have the new entry appended. */
79	p1 = slurpfile(&s, "archive.tar");
80	if (!assert(p1 != NULL))
81		goto done;
82	buff_size_rounded = ((buff_size + 511) / 512) * 512;
83	assert(s >= 2560 + buff_size_rounded);
84	/* Verify first entry is unchanged. */
85	assertEqualMem(p0, p1, 1024);
86	/* Verify that second entry is correct. */
87	assertEqualMem(p1 + 1024, "f1", 3);
88	assertEqualMem(p1 + 1536, buff, buff_size);
89	/* Verify end-of-archive marker. */
90	assertEqualMem(p1 + 1536 + buff_size_rounded, "\0\0\0\0\0\0\0\0", 8);
91	assertEqualMem(p1 + 2048 + buff_size_rounded, "\0\0\0\0\0\0\0\0", 8);
92
93	free(p0);
94	p0 = p1;
95
96	/* Update the archive by adding a different file. */
97	assertMakeFile("f2", 0644, "f2");
98	r = systemf("%s rf archive.tar --format=ustar f2 >step3.out 2>step3.err", testprog);
99	failure("Error invoking %s rf archive.tar f2", testprog);
100	assertEqualInt(r, 0);
101	assertEmptyFile("step3.out");
102	assertEmptyFile("step3.err");
103
104	/* Validate the constructed archive. */
105	p1 = slurpfile(&s, "archive.tar");
106	if (!assert(p1 != NULL))
107		goto done;
108	assert(s >= 3584 + buff_size_rounded);
109	/* Verify first two entries are unchanged. */
110	assertEqualMem(p0, p1, 1536 + buff_size_rounded);
111	/* Verify that new entry is correct. */
112	assertEqualMem(p1 + 1536 + buff_size_rounded, "f2", 3);
113	assertEqualMem(p1 + 2048 + buff_size_rounded, "f2", 3);
114	/* Verify end-of-archive marker. */
115	assertEqualMem(p1 + 2560 + buff_size_rounded, "\0\0\0\0\0\0\0\0", 8);
116	assertEqualMem(p1 + 3072 + buff_size_rounded, "\0\0\0\0\0\0\0\0", 8);
117	free(p1);
118
119	/* Unpack everything */
120	assertMakeDir("extract", 0775);
121	assertChdir("extract");
122	r = systemf("%s xf ../archive.tar >extract.out 2>extract.err", testprog);
123	failure("Error invoking %s xf archive.tar", testprog);
124	assertEqualInt(r, 0);
125	assertEmptyFile("extract.out");
126	assertEmptyFile("extract.err");
127
128	/* Verify that the second copy of f1 overwrote the first. */
129	assertFileContents(buff, (int)strlen(buff), "f1");
130done:
131	free(buff);
132	free(p0);
133}
134