1 /*-
2  * Copyright (c) 2003-2007 Tim Kientzle
3  * Copyright (c) 2012 Michihiro NAKAJIMA
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 #include "test.h"
27 
28 #ifdef HAVE_SYS_ACL_H
29 #include <sys/acl.h>
30 #endif
31 #ifdef HAVE_SYS_XATTR_H
32 #include <sys/xattr.h>
33 #endif
34 
35 
36 #if defined(__APPLE__) && defined(UF_COMPRESSED) && defined(HAVE_SYS_XATTR_H)\
37 	&& defined(HAVE_ZLIB_H)
38 //
39 // The test ACL used here is sometimes assigned to the 'Guest' user
40 // This changes the text and breaks the test.  This function simply
41 // strips the 'Guest' information from the string to help ensure
42 // consistent results on different machines.
43 //
44 static char _acl_temp[256];
45 static const char *
clean_acl(const char * acl)46 clean_acl(const char *acl) {
47 	char *p, *q;
48 	if (strlen(acl) >= sizeof(_acl_temp))
49 		return acl;
50 
51 	strcpy(_acl_temp, acl);
52 	p = strstr(_acl_temp, ":Guest:");
53 	if (p != NULL) {
54 		fprintf(stderr, "Shortening: %s\n", p + 1);
55 		memmove(p + 1, p + 6, strlen(p + 6) + 1);
56 		q = strstr(p + 2, ":");
57 		fprintf(stderr, "Shortening: %s\n", q);
58 		memmove(p + 2, q, strlen(q) + 1);
59 		return _acl_temp;
60 	}
61 	return _acl_temp;
62 }
63 
64 static int
has_xattr(const char * filename,const char * xattrname)65 has_xattr(const char *filename, const char *xattrname)
66 {
67 	char *nl, *nlp;
68 	ssize_t r;
69 	int existing;
70 
71 	r = listxattr(filename, NULL, 0, XATTR_SHOWCOMPRESSION);
72 	if (r < 0)
73 		return (0);
74 	if (r == 0)
75 		return (0);
76 
77 	assert((nl = malloc(r)) != NULL);
78 	if (nl == NULL)
79 		return (0);
80 
81 	r = listxattr(filename, nl, r, XATTR_SHOWCOMPRESSION);
82 	if (r < 0) {
83 		free(nl);
84 		return (0);
85 	}
86 
87 	existing = 0;
88 	for (nlp = nl; nlp < nl + r; nlp += strlen(nlp) + 1) {
89 		if (strcmp(nlp, xattrname) == 0) {
90 			existing = 1;
91 			break;
92 		}
93 	}
94 	free(nl);
95 	return (existing);
96 }
97 
98 #endif
99 
100 /*
101  * Exercise HFS+ Compression.
102  */
DEFINE_TEST(test_write_disk_mac_metadata)103 DEFINE_TEST(test_write_disk_mac_metadata)
104 {
105 #if !defined(__APPLE__) || !defined(UF_COMPRESSED) || !defined(HAVE_SYS_XATTR_H)\
106 	|| !defined(HAVE_ZLIB_H)
107 	skipping("MacOS-specific Mac Metadata test");
108 #else
109 	const char *refname = "test_write_disk_mac_metadata.tar.gz";
110 	struct archive *ad, *a;
111 	struct archive_entry *ae;
112 	struct stat st;
113 	acl_t acl;
114 
115 	extract_reference_file(refname);
116 
117 	/*
118 	 * Extract an archive to disk with HFS+ Compression.
119 	 */
120 	assert((ad = archive_write_disk_new()) != NULL);
121 	assertEqualIntA(ad, ARCHIVE_OK,
122 	    archive_write_disk_set_standard_lookup(ad));
123 	assertEqualIntA(ad, ARCHIVE_OK,
124 	    archive_write_disk_set_options(ad,
125 		ARCHIVE_EXTRACT_TIME |
126 		ARCHIVE_EXTRACT_SECURE_SYMLINKS |
127 		ARCHIVE_EXTRACT_SECURE_NODOTDOT |
128 		ARCHIVE_EXTRACT_MAC_METADATA));
129 
130 	assert((a = archive_read_new()) != NULL);
131 	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
132 	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
133 	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a,
134 	    refname, 512 * 20));
135 
136 	assertMakeDir("hfscmp", 0755);
137 	assertChdir("hfscmp");
138 
139 	/* Extract file3. */
140 	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
141 	assertEqualString("file3", archive_entry_pathname(ae));
142 	assertEqualIntA(a, ARCHIVE_OK, archive_read_extract2(a, ae, ad));
143 
144 	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
145 	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
146 	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
147 	assertEqualIntA(ad, ARCHIVE_OK, archive_write_free(ad));
148 
149 	/* Test file3. */
150 	assertEqualInt(0, stat("file3", &st));
151 	assertEqualInt(UF_COMPRESSED, st.st_flags & UF_COMPRESSED);
152 	assertFileSize("file3", 8);
153 	failure("'%s' should not have Resource Fork", "file3");
154 	assertEqualInt(0, has_xattr("file3", "com.apple.ResourceFork"));
155 	failure("'%s' should have decompfs xattr", "file3");
156 	assertEqualInt(1, has_xattr("file3", "com.apple.decmpfs"));
157 	assert(NULL != (acl = acl_get_file("file3", ACL_TYPE_EXTENDED)));
158 	assertEqualString(clean_acl(acl_to_text(acl, NULL)),
159 	    "!#acl 1\n"
160 	    "user:FFFFEEEE-DDDD-CCCC-BBBB-AAAA000000C9:::deny:read\n"
161 	    "group:ABCDEFAB-CDEF-ABCD-EFAB-CDEF00000050:admin:80:allow:write\n"
162 	);
163 	if (acl) acl_free(acl);
164 
165 	assertChdir("..");
166 
167 	/*
168 	 * Extract an archive to disk without HFS+ Compression.
169 	 */
170 	assert((ad = archive_write_disk_new()) != NULL);
171 	assertEqualIntA(ad, ARCHIVE_OK,
172 	    archive_write_disk_set_standard_lookup(ad));
173 	assertEqualIntA(ad, ARCHIVE_OK,
174 	    archive_write_disk_set_options(ad,
175 		ARCHIVE_EXTRACT_TIME |
176 		ARCHIVE_EXTRACT_SECURE_SYMLINKS |
177 		ARCHIVE_EXTRACT_SECURE_NODOTDOT |
178 		ARCHIVE_EXTRACT_MAC_METADATA |
179 		ARCHIVE_EXTRACT_NO_HFS_COMPRESSION));
180 
181 	assert((a = archive_read_new()) != NULL);
182 	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
183 	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
184 	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a,
185 	    refname, 512 * 20));
186 
187 	assertMakeDir("nocmp", 0755);
188 	assertChdir("nocmp");
189 
190 	/* Extract file3. */
191 	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
192 	assertEqualString("file3", archive_entry_pathname(ae));
193 	assertEqualIntA(a, ARCHIVE_OK, archive_read_extract2(a, ae, ad));
194 
195 	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
196 	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
197 	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
198 	assertEqualIntA(ad, ARCHIVE_OK, archive_write_free(ad));
199 
200 	/* Test file3. */
201 	assertEqualInt(0, stat("file3", &st));
202 	assertEqualInt(0, st.st_flags & UF_COMPRESSED);
203 	assertFileSize("file3", 8);
204 	failure("'%s' should not have Resource Fork", "file3");
205 	assertEqualInt(0, has_xattr("file3", "com.apple.ResourceFork"));
206 	failure("'%s' should not have decmpfs", "file3");
207 	assertEqualInt(0, has_xattr("file3", "com.apple.decmpfs"));
208 	assert(NULL != (acl = acl_get_file("file3", ACL_TYPE_EXTENDED)));
209 	assertEqualString(clean_acl(acl_to_text(acl, NULL)),
210 	    "!#acl 1\n"
211 	    "user:FFFFEEEE-DDDD-CCCC-BBBB-AAAA000000C9:::deny:read\n"
212 	    "group:ABCDEFAB-CDEF-ABCD-EFAB-CDEF00000050:admin:80:allow:write\n"
213 	);
214 	if (acl) acl_free(acl);
215 
216 	assertChdir("..");
217 
218 	assertEqualFile("hfscmp/file3", "nocmp/file3");
219 #endif
220 }
221