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 */
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	/* Create an archive with one file. */
40	assertMakeFile("f1", 0644, "abc");
41	r = systemf("%s cf archive.tar --format=ustar f1 >step1.out 2>step1.err", testprog);
42	failure("Error invoking %s cf archive.tar f1", testprog);
43	assertEqualInt(r, 0);
44	assertEmptyFile("step1.out");
45	assertEmptyFile("step1.err");
46
47	/* Do some basic validation of the constructed archive. */
48	p0 = slurpfile(&s, "archive.tar");
49	if (!assert(p0 != NULL))
50		return;
51	if (!assert(s >= 2048)) {
52		free(p0);
53		return;
54	}
55	assertEqualMem(p0 + 0, "f1", 3);
56	assertEqualMem(p0 + 512, "abc", 3);
57	assertEqualMem(p0 + 1024, "\0\0\0\0\0\0\0\0", 8);
58	assertEqualMem(p0 + 1536, "\0\0\0\0\0\0\0\0", 8);
59
60	/* Edit that file with a lot more data and update the archive with a new copy. */
61	buff = malloc(buff_size);
62	assert(buff != NULL);
63	if (buff == NULL) {
64		free(p0);
65		return;
66	}
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		free(p0);
82		return;
83	}
84	buff_size_rounded = ((buff_size + 511) / 512) * 512;
85	assert(s >= 2560 + buff_size_rounded);
86	/* Verify first entry is unchanged. */
87	assertEqualMem(p0, p1, 1024);
88	/* Verify that second entry is correct. */
89	assertEqualMem(p1 + 1024, "f1", 3);
90	assertEqualMem(p1 + 1536, buff, buff_size);
91	/* Verify end-of-archive marker. */
92	assertEqualMem(p1 + 1536 + buff_size_rounded, "\0\0\0\0\0\0\0\0", 8);
93	assertEqualMem(p1 + 2048 + buff_size_rounded, "\0\0\0\0\0\0\0\0", 8);
94
95	free(p0);
96	p0 = p1;
97
98	/* Update the archive by adding a different file. */
99	assertMakeFile("f2", 0644, "f2");
100	r = systemf("%s rf archive.tar --format=ustar f2 >step3.out 2>step3.err", testprog);
101	failure("Error invoking %s rf archive.tar f2", testprog);
102	assertEqualInt(r, 0);
103	assertEmptyFile("step3.out");
104	assertEmptyFile("step3.err");
105
106	/* Validate the constructed archive. */
107	p1 = slurpfile(&s, "archive.tar");
108	if (!assert(p1 != NULL)) {
109		free(p0);
110		return;
111	}
112	assert(s >= 3584 + buff_size_rounded);
113	/* Verify first two entries are unchanged. */
114	assertEqualMem(p0, p1, 1536 + buff_size_rounded);
115	/* Verify that new entry is correct. */
116	assertEqualMem(p1 + 1536 + buff_size_rounded, "f2", 3);
117	assertEqualMem(p1 + 2048 + buff_size_rounded, "f2", 3);
118	/* Verify end-of-archive marker. */
119	assertEqualMem(p1 + 2560 + buff_size_rounded, "\0\0\0\0\0\0\0\0", 8);
120	assertEqualMem(p1 + 3072 + buff_size_rounded, "\0\0\0\0\0\0\0\0", 8);
121	free(p0);
122	free(p1);
123
124	/* Unpack everything */
125	assertMakeDir("extract", 0775);
126	assertChdir("extract");
127	r = systemf("%s xf ../archive.tar >extract.out 2>extract.err", testprog);
128	failure("Error invoking %s xf archive.tar", testprog);
129	assertEqualInt(r, 0);
130	assertEmptyFile("extract.out");
131	assertEmptyFile("extract.err");
132
133	/* Verify that the second copy of f1 overwrote the first. */
134	assertFileContents(buff, (int)strlen(buff), "f1");
135}
136