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 #define BUFF_SIZE 1000000
29 #define FILE_BUFF_SIZE 100000
30
DEFINE_TEST(test_read_extract)31 DEFINE_TEST(test_read_extract)
32 {
33 struct archive_entry *ae;
34 struct archive *a;
35 size_t used;
36 int i, numEntries = 0;
37 char *buff, *file_buff;
38
39 buff = malloc(BUFF_SIZE);
40 file_buff = malloc(FILE_BUFF_SIZE);
41
42 /* Force the umask to something predictable. */
43 assertUmask(022);
44
45 /* Create a new archive in memory containing various types of entries. */
46 assert((a = archive_write_new()) != NULL);
47 assertA(0 == archive_write_set_format_ustar(a));
48 assertA(0 == archive_write_add_filter_none(a));
49 assertA(0 == archive_write_open_memory(a, buff, BUFF_SIZE, &used));
50 /* A directory to be restored with EXTRACT_PERM. */
51 ++numEntries;
52 assert((ae = archive_entry_new()) != NULL);
53 archive_entry_copy_pathname(ae, "dir_0775");
54 archive_entry_set_mode(ae, S_IFDIR | 0775);
55 assertA(0 == archive_write_header(a, ae));
56 archive_entry_free(ae);
57 /* A regular file. */
58 ++numEntries;
59 assert((ae = archive_entry_new()) != NULL);
60 archive_entry_copy_pathname(ae, "file");
61 archive_entry_set_mode(ae, S_IFREG | 0755);
62 fill_with_pseudorandom_data(file_buff, FILE_BUFF_SIZE);
63 archive_entry_set_size(ae, FILE_BUFF_SIZE);
64 assertA(0 == archive_write_header(a, ae));
65 assertA(FILE_BUFF_SIZE == archive_write_data(a, file_buff, FILE_BUFF_SIZE));
66 archive_entry_free(ae);
67 /* A directory that should obey umask when restored. */
68 ++numEntries;
69 assert((ae = archive_entry_new()) != NULL);
70 archive_entry_copy_pathname(ae, "dir");
71 archive_entry_set_mode(ae, S_IFDIR | 0777);
72 assertA(0 == archive_write_header(a, ae));
73 archive_entry_free(ae);
74 /* A file in the directory. */
75 ++numEntries;
76 assert((ae = archive_entry_new()) != NULL);
77 archive_entry_copy_pathname(ae, "dir/file");
78 archive_entry_set_mode(ae, S_IFREG | 0700);
79 assertA(0 == archive_write_header(a, ae));
80 archive_entry_free(ae);
81 /* A file in a dir that is not already in the archive. */
82 ++numEntries;
83 assert((ae = archive_entry_new()) != NULL);
84 archive_entry_copy_pathname(ae, "dir2/file");
85 archive_entry_set_mode(ae, S_IFREG | 0000);
86 assertA(0 == archive_write_header(a, ae));
87 archive_entry_free(ae);
88 /* A dir with a trailing /. */
89 ++numEntries;
90 assert((ae = archive_entry_new()) != NULL);
91 archive_entry_copy_pathname(ae, "dir3/.");
92 archive_entry_set_mode(ae, S_IFDIR | 0710);
93 assertA(0 == archive_write_header(a, ae));
94 archive_entry_free(ae);
95 /* Multiple dirs with a single entry. */
96 ++numEntries;
97 assert((ae = archive_entry_new()) != NULL);
98 archive_entry_copy_pathname(ae, "dir4/a/../b/../c/");
99 archive_entry_set_mode(ae, S_IFDIR | 0711);
100 assertA(0 == archive_write_header(a, ae));
101 archive_entry_free(ae);
102 /* A symlink. */
103 if (canSymlink()) {
104 ++numEntries;
105 assert((ae = archive_entry_new()) != NULL);
106 archive_entry_copy_pathname(ae, "symlink");
107 archive_entry_set_mode(ae, AE_IFLNK | 0755);
108 archive_entry_set_symlink(ae, "file");
109 assertA(0 == archive_write_header(a, ae));
110 archive_entry_free(ae);
111 }
112 /* Close out the archive. */
113 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
114 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
115
116 /* Extract the entries to disk. */
117 assert((a = archive_read_new()) != NULL);
118 assertA(0 == archive_read_support_format_all(a));
119 assertA(0 == archive_read_support_filter_all(a));
120 assertA(0 == archive_read_open_memory(a, buff, BUFF_SIZE));
121 /* Restore first entry with _EXTRACT_PERM. */
122 failure("Error reading first entry");
123 assertA(0 == archive_read_next_header(a, &ae));
124 assertA(0 == archive_read_extract(a, ae, ARCHIVE_EXTRACT_PERM));
125 /* Rest of entries get restored with no flags. */
126 for (i = 1; i < numEntries; i++) {
127 failure("Error reading entry %d", i);
128 assertA(0 == archive_read_next_header(a, &ae));
129 failure("Failed to extract entry %d: %s", i,
130 archive_entry_pathname(ae));
131 assertA(0 == archive_read_extract(a, ae, 0));
132 }
133 assertA(ARCHIVE_EOF == archive_read_next_header(a, &ae));
134 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
135 assertEqualInt(ARCHIVE_OK, archive_read_free(a));
136
137 /* Test the entries on disk. */
138 /* This first entry was extracted with ARCHIVE_EXTRACT_PERM,
139 * so the permissions should have been restored exactly,
140 * including resetting the gid bit on those platforms
141 * where gid is inherited by subdirs. */
142 failure("This was 0775 in archive, and should be 0775 on disk");
143 assertIsDir("dir_0775", 0775);
144 /* Everything else was extracted without ARCHIVE_EXTRACT_PERM,
145 * so there may be some sloppiness about gid bits on directories. */
146 assertIsReg("file", 0755);
147 assertFileSize("file", FILE_BUFF_SIZE);
148 assertFileContents(file_buff, FILE_BUFF_SIZE, "file");
149 /* If EXTRACT_PERM wasn't used, be careful to ignore sgid bit
150 * when checking dir modes, as some systems inherit sgid bit
151 * from the parent dir. */
152 failure("This was 0777 in archive, but umask should make it 0755");
153 assertIsDir("dir", 0755);
154 assertIsReg("dir/file", 0700);
155 assertIsDir("dir2", 0755);
156 assertIsReg("dir2/file", 0000);
157 assertIsDir("dir3", 0710);
158 assertIsDir("dir4", 0755);
159 assertIsDir("dir4/a", 0755);
160 assertIsDir("dir4/b", 0755);
161 assertIsDir("dir4/c", 0711);
162 if (canSymlink())
163 assertIsSymlink("symlink", "file", 0);
164
165 free(buff);
166 free(file_buff);
167 }
168