1 /*-
2  * Copyright (c) 2016 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 
27 /*
28  * Inspired by Github issue #682, which reported that gnutar filenames
29  * of exactly 512 bytes weren't getting written correctly.
30  *
31  * This writes a filename of every length from 1 to 2000 bytes and
32  * reads back to verify it.
33  */
34 
35 static char filename[2048];
36 
37 DEFINE_TEST(test_write_format_gnutar_filenames)
38 {
39 	size_t buffsize = 1000000;
40 	char *buff;
41 	struct archive_entry *ae, *template;
42 	struct archive *a;
43 	size_t used;
44 	int i;
45 
46 	buff = malloc(buffsize); /* million bytes of work area */
47 	assert(buff != NULL);
48 
49 	/* Create a template entry. */
50 	assert((template = archive_entry_new()) != NULL);
51 	archive_entry_set_atime(template, 2, 20);
52 	archive_entry_set_birthtime(template, 3, 30);
53 	archive_entry_set_ctime(template, 4, 40);
54 	archive_entry_set_mtime(template, 5, 50);
55 	archive_entry_set_mode(template, S_IFREG | 0755);
56 	archive_entry_set_size(template, 8);
57 
58 	for (i = 0; i < 2000; ++i) {
59 		filename[i] = 'a';
60 		filename[i + 1] = '\0';
61 		archive_entry_copy_pathname(template, filename);
62 
63 		/* Write a one-item gnutar format archive. */
64 		assert((a = archive_write_new()) != NULL);
65 		assertA(0 == archive_write_set_format_gnutar(a));
66 		assertA(0 == archive_write_add_filter_none(a));
67 		assertA(0 == archive_write_open_memory(a, buff, buffsize, &used));
68 		assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, template));
69 		assertEqualIntA(a, 8, archive_write_data(a, "12345678", 9));
70 		assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
71 		assertEqualIntA(a, ARCHIVE_OK, archive_write_free(a));
72 
73 
74 		/* Read back and verify the filename. */
75 		assert((a = archive_read_new()) != NULL);
76 		assertEqualIntA(a, 0, archive_read_support_format_all(a));
77 		assertEqualIntA(a, 0, archive_read_support_filter_all(a));
78 		assertEqualIntA(a, 0, archive_read_open_memory(a, buff, used));
79 
80 		assertEqualIntA(a, 0, archive_read_next_header(a, &ae));
81 		assertEqualString(filename, archive_entry_pathname(ae));
82 		assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
83 		assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
84 		assertEqualIntA(a, ARCHIVE_OK, archive_read_free(a));
85 	}
86 
87 	archive_entry_free(template);
88 
89 	free(buff);
90 }
91 
92 
93 DEFINE_TEST(test_write_format_gnutar_linknames)
94 {
95 	size_t buffsize = 1000000;
96 	char *buff;
97 	struct archive_entry *ae, *template;
98 	struct archive *a;
99 	size_t used;
100 	int i;
101 
102 #ifdef S_IFLNK
103 	assertEqualInt(S_IFLNK, AE_IFLNK);
104 #endif
105 
106 	buff = malloc(buffsize); /* million bytes of work area */
107 	assert(buff != NULL);
108 
109 	/* Create a template entry. */
110 	assert((template = archive_entry_new()) != NULL);
111 	archive_entry_set_atime(template, 2, 20);
112 	archive_entry_set_birthtime(template, 3, 30);
113 	archive_entry_set_ctime(template, 4, 40);
114 	archive_entry_set_mtime(template, 5, 50);
115 	archive_entry_set_mode(template, AE_IFLNK | 0755);
116 	archive_entry_copy_pathname(template, "link");
117 
118 	for (i = 0; i < 2000; ++i) {
119 		filename[i] = 'a';
120 		filename[i + 1] = '\0';
121 		archive_entry_copy_symlink(template, filename);
122 
123 		/* Write a one-item gnutar format archive. */
124 		assert((a = archive_write_new()) != NULL);
125 		assertA(0 == archive_write_set_format_gnutar(a));
126 		assertA(0 == archive_write_add_filter_none(a));
127 		assertA(0 == archive_write_open_memory(a, buff, buffsize, &used));
128 		assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, template));
129 		assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
130 		assertEqualIntA(a, ARCHIVE_OK, archive_write_free(a));
131 
132 
133 		/* Read back and verify the filename. */
134 		assert((a = archive_read_new()) != NULL);
135 		assertEqualIntA(a, 0, archive_read_support_format_all(a));
136 		assertEqualIntA(a, 0, archive_read_support_filter_all(a));
137 		assertEqualIntA(a, 0, archive_read_open_memory(a, buff, used));
138 
139 		assertEqualIntA(a, 0, archive_read_next_header(a, &ae));
140 		assertEqualString("link", archive_entry_pathname(ae));
141 		assertEqualString(filename, archive_entry_symlink(ae));
142 		assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
143 		assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
144 		assertEqualIntA(a, ARCHIVE_OK, archive_read_free(a));
145 	}
146 
147 	archive_entry_free(template);
148 
149 	free(buff);
150 }
151