xref: /freebsd/contrib/libarchive/tar/test/test_option_s.c (revision 3416500aef140042c64bc149cb1ec6620483bc44)
1 /*-
2  * Copyright (c) 2003-2008 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_TEST(test_option_s)
29 {
30 	struct stat st;
31 
32 	/* Create a sample file hierarchy. */
33 	assertMakeDir("in", 0755);
34 	assertMakeDir("in/d1", 0755);
35 	assertMakeFile("in/d1/foo", 0644, "foo");
36 	assertMakeFile("in/d1/bar", 0644, "bar");
37 	if (canSymlink()) {
38 		assertMakeFile("in/d1/realfile", 0644, "realfile");
39 		assertMakeSymlink("in/d1/symlink", "realfile");
40 	}
41 	assertMakeFile("in/d1/hardlink1", 0644, "hardlinkedfile");
42 	assertMakeHardlink("in/d1/hardlink2", "in/d1/hardlink1");
43 
44 	/* Does tar support -s option ? */
45 	systemf("%s -cf - -s /foo/bar/ in/d1/foo > NUL 2> check.err",
46 	    testprog);
47 	assertEqualInt(0, stat("check.err", &st));
48 	if (st.st_size != 0) {
49 		skipping("%s does not support -s option on this platform",
50 			testprog);
51 		return;
52 	}
53 
54 	/*
55 	 * Test 1: Filename substitution when creating archives.
56 	 */
57 	assertMakeDir("test1", 0755);
58 	systemf("%s -cf test1_1.tar -s /foo/bar/ in/d1/foo", testprog);
59 	systemf("%s -xf test1_1.tar -C test1", testprog);
60 	assertFileContents("foo", 3, "test1/in/d1/bar");
61 	systemf("%s -cf test1_2.tar -s /d1/d2/ in/d1/foo", testprog);
62 	systemf("%s -xf test1_2.tar -C test1", testprog);
63 	assertFileContents("foo", 3, "test1/in/d2/foo");
64 
65 	/*
66 	 * Test 2: Basic substitution when extracting archive.
67 	 */
68 	assertMakeDir("test2", 0755);
69 	systemf("%s -cf test2.tar in/d1/foo", testprog);
70 	systemf("%s -xf test2.tar -s /foo/bar/ -C test2", testprog);
71 	assertFileContents("foo", 3, "test2/in/d1/bar");
72 
73 	/*
74 	 * Test 3: Files with empty names shouldn't be archived.
75 	 */
76 	systemf("%s -cf test3.tar -s ,in/d1/foo,, in/d1/foo", testprog);
77 	systemf("%s -tvf test3.tar > in.lst", testprog);
78 	assertEmptyFile("in.lst");
79 
80 	/*
81 	 * Test 4: Multiple substitutions when extracting archive.
82 	 */
83 	assertMakeDir("test4", 0755);
84 	systemf("%s -cf test4.tar in/d1/foo in/d1/bar",
85 	    testprog);
86 	systemf("%s -xf test4.tar -s /foo/bar/ -s }bar}baz} -C test4",
87 	    testprog);
88 	assertFileContents("foo", 3, "test4/in/d1/bar");
89 	assertFileContents("bar", 3, "test4/in/d1/baz");
90 
91 	/*
92 	 * Test 5: Name-switching substitutions when extracting archive.
93 	 */
94 	assertMakeDir("test5", 0755);
95 	systemf("%s -cf test5.tar in/d1/foo in/d1/bar",
96 	    testprog, testprog);
97 	systemf("%s -xf test5.tar -s /foo/bar/ -s }bar}foo} -C test5",
98 	    testprog, testprog);
99 	assertFileContents("foo", 3, "test5/in/d1/bar");
100 	assertFileContents("bar", 3, "test5/in/d1/foo");
101 
102 	/*
103 	 * Test 6: symlinks get renamed by default
104 	 */
105 	if (canSymlink()) {
106 		/* At extraction time. */
107 		assertMakeDir("test6a", 0755);
108 		systemf("%s -cf - in/d1 | %s -xf - -s /d1/d2/ -C test6a",
109 		    testprog, testprog);
110 		assertFileContents("realfile", 8, "test6a/in/d2/realfile");
111 		assertFileContents("realfile", 8, "test6a/in/d2/symlink");
112 		assertIsSymlink("test6a/in/d2/symlink", "realfile");
113 		/* At creation time. */
114 		assertMakeDir("test6b", 0755);
115 		systemf("%s -cf - -s /d1/d2/ in/d1 | %s -xf - -C test6b",
116 		    testprog, testprog);
117 		assertFileContents("realfile", 8, "test6b/in/d2/realfile");
118 		assertFileContents("realfile", 8, "test6b/in/d2/symlink");
119 		assertIsSymlink("test6b/in/d2/symlink", "realfile");
120 	}
121 
122 	/*
123 	 * Test 7: selective renaming of symlink target
124 	 */
125 	if (canSymlink()) {
126 		/* At extraction. */
127 		assertMakeDir("test7a", 0755);
128 		systemf("%s -cf - in/d1 | %s -xf - -s /realfile/realfile-renamed/ -C test7a",
129 		    testprog, testprog);
130 		assertFileContents("realfile", 8, "test7a/in/d1/realfile-renamed");
131 		assertFileContents("realfile", 8, "test7a/in/d1/symlink");
132 		assertIsSymlink("test7a/in/d1/symlink", "realfile-renamed");
133 		/* At creation. */
134 		assertMakeDir("test7b", 0755);
135 		systemf("%s -cf - -s /realfile/realfile-renamed/ in/d1 | %s -xf - -C test7b",
136 		    testprog, testprog);
137 		assertFileContents("realfile", 8, "test7b/in/d1/realfile-renamed");
138 		assertFileContents("realfile", 8, "test7b/in/d1/symlink");
139 		assertIsSymlink("test7b/in/d1/symlink", "realfile-renamed");
140 	}
141 
142 	/*
143 	 * Test 8: hardlinks get renamed by default
144 	 */
145 	/* At extraction time. */
146 	assertMakeDir("test8a", 0755);
147 	systemf("%s -cf test8a.tar in/d1", testprog);
148 	systemf("%s -xf test8a.tar -s /d1/d2/ -C test8a", testprog);
149 	assertIsHardlink("test8a/in/d2/hardlink1", "test8a/in/d2/hardlink2");
150 	/* At creation time. */
151 	assertMakeDir("test8b", 0755);
152 	systemf("%s -cf test8b.tar -s /d1/d2/ in/d1", testprog);
153 	systemf("%s -xf test8b.tar -C test8b", testprog);
154 	assertIsHardlink("test8b/in/d2/hardlink1", "test8b/in/d2/hardlink2");
155 
156 	/*
157 	 * Test 9: selective renaming of hardlink target
158 	 */
159 	/* At extraction. (assuming hardlink2 is the hardlink entry) */
160 	assertMakeDir("test9a", 0755);
161 	systemf("%s -cf test9a.tar in/d1", testprog);
162 	systemf("%s -xf test9a.tar -s /hardlink1/hardlink1-renamed/ -C test9a",
163 	    testprog);
164 	assertIsHardlink("test9a/in/d1/hardlink1-renamed", "test9a/in/d1/hardlink2");
165 	/* At extraction. (assuming hardlink1 is the hardlink entry) */
166 	assertMakeDir("test9b", 0755);
167 	systemf("%s -cf test9b.tar in/d1", testprog);
168 	systemf("%s -xf test9b.tar -s /hardlink2/hardlink2-renamed/ -C test9b",
169 	    testprog);
170 	assertIsHardlink("test9b/in/d1/hardlink1", "test9b/in/d1/hardlink2-renamed");
171 	/* At creation. (assuming hardlink2 is the hardlink entry) */
172 	assertMakeDir("test9c", 0755);
173 	systemf("%s -cf test9c.tar -s /hardlink1/hardlink1-renamed/ in/d1",
174 	    testprog);
175 	systemf("%s -xf test9c.tar -C test9c", testprog);
176 	assertIsHardlink("test9c/in/d1/hardlink1-renamed", "test9c/in/d1/hardlink2");
177 	/* At creation. (assuming hardlink1 is the hardlink entry) */
178 	assertMakeDir("test9d", 0755);
179 	systemf("%s -cf test9d.tar -s /hardlink2/hardlink2-renamed/ in/d1",
180 	    testprog);
181 	systemf("%s -xf test9d.tar -C test9d", testprog);
182 	assertIsHardlink("test9d/in/d1/hardlink1", "test9d/in/d1/hardlink2-renamed");
183 
184 	/*
185 	 * Test 10: renaming symlink target without repointing symlink
186 	 */
187 	if (canSymlink()) {
188 		/* At extraction. */
189 		assertMakeDir("test10a", 0755);
190 		systemf("%s -cf - in/d1 | %s -xf - -s /realfile/foo/S -s /foo/realfile/ -C test10a",
191 		    testprog, testprog);
192 		assertFileContents("realfile", 8, "test10a/in/d1/foo");
193 		assertFileContents("foo", 3, "test10a/in/d1/realfile");
194 		assertFileContents("foo", 3, "test10a/in/d1/symlink");
195 		assertIsSymlink("test10a/in/d1/symlink", "realfile");
196 		/* At creation. */
197 		assertMakeDir("test10b", 0755);
198 		systemf("%s -cf - -s /realfile/foo/S -s /foo/realfile/ in/d1 | %s -xf - -C test10b",
199 		    testprog, testprog);
200 		assertFileContents("realfile", 8, "test10b/in/d1/foo");
201 		assertFileContents("foo", 3, "test10b/in/d1/realfile");
202 		assertFileContents("foo", 3, "test10b/in/d1/symlink");
203 		assertIsSymlink("test10b/in/d1/symlink", "realfile");
204 	}
205 
206 	/*
207 	 * Test 11: repointing symlink without renaming file
208 	 */
209 	if (canSymlink()) {
210 		/* At extraction. */
211 		assertMakeDir("test11a", 0755);
212 		systemf("%s -cf - in/d1 | %s -xf - -s /realfile/foo/sR -C test11a",
213 		    testprog, testprog);
214 		assertFileContents("foo", 3, "test11a/in/d1/foo");
215 		assertFileContents("realfile", 8, "test11a/in/d1/realfile");
216 		assertFileContents("foo", 3, "test11a/in/d1/symlink");
217 		assertIsSymlink("test11a/in/d1/symlink", "foo");
218 		/* At creation. */
219 		assertMakeDir("test11b", 0755);
220 		systemf("%s -cf - -s /realfile/foo/R in/d1 | %s -xf - -C test11b",
221 		    testprog, testprog);
222 		assertFileContents("foo", 3, "test11b/in/d1/foo");
223 		assertFileContents("realfile", 8, "test11b/in/d1/realfile");
224 		assertFileContents("foo", 3, "test11b/in/d1/symlink");
225 		assertIsSymlink("test11b/in/d1/symlink", "foo");
226 	}
227 
228 	/*
229 	 * Test 12: renaming hardlink target without changing hardlink.
230 	 * (Requires a pre-built archive, since we otherwise can't know
231 	 * which element will be stored as the hardlink.)
232 	 */
233 	extract_reference_file("test_option_s.tar.Z");
234 	assertMakeDir("test12a", 0755);
235 	systemf("%s -xf test_option_s.tar.Z -s /hardlink1/foo/H -s /foo/hardlink1/ %s -C test12a",
236 	    testprog, canSymlink()?"":"--exclude in/d1/symlink");
237 	assertFileContents("foo", 3, "test12a/in/d1/hardlink1");
238 	assertFileContents("hardlinkedfile", 14, "test12a/in/d1/foo");
239 	assertFileContents("foo", 3, "test12a/in/d1/hardlink2");
240 	assertIsHardlink("test12a/in/d1/hardlink1", "test12a/in/d1/hardlink2");
241 	/* TODO: Expand this test to verify creation as well.
242 	 * Since either hardlink1 or hardlink2 might get stored as a hardlink,
243 	 * this will either requiring testing both cases and accepting either
244 	 * pass, or some very creative renames that can be tested regardless.
245 	 */
246 
247 	/*
248 	 * Test 13: repoint hardlink without changing files
249 	 * (Requires a pre-built archive, since we otherwise can't know
250 	 * which element will be stored as the hardlink.)
251 	 */
252 	extract_reference_file("test_option_s.tar.Z");
253 	assertMakeDir("test13a", 0755);
254 	systemf("%s -xf test_option_s.tar.Z -s /hardlink1/foo/Rh -s /foo/hardlink1/Rh %s -C test13a",
255 	    testprog, canSymlink()?"":"--exclude in/d1/symlink");
256 	assertFileContents("foo", 3, "test13a/in/d1/foo");
257 	assertFileContents("hardlinkedfile", 14, "test13a/in/d1/hardlink1");
258 	assertFileContents("foo", 3, "test13a/in/d1/hardlink2");
259 	assertIsHardlink("test13a/in/d1/foo", "test13a/in/d1/hardlink2");
260 	/* TODO: See above; expand this test to verify renames at creation. */
261 
262 	/*
263 	 * Test 14: Global substitutions when extracting archive.
264 	 */
265     /* Global substitution. */
266 	assertMakeDir("test14", 0755);
267 	systemf("%s -cf test14.tar in/d1/foo in/d1/bar",
268 	    testprog);
269 	systemf("%s -xf test14.tar -s /o/z/g -s /bar/baz/ -C test14",
270 	    testprog);
271 	assertFileContents("foo", 3, "test14/in/d1/fzz");
272 	assertFileContents("bar", 3, "test14/in/d1/baz");
273     /* Singular substitution. */
274 	systemf("%s -cf test14.tar in/d1/foo in/d1/bar",
275 	    testprog);
276 	systemf("%s -xf test14.tar -s /o/z/ -s /bar/baz/ -C test14",
277 	    testprog);
278 	assertFileContents("foo", 3, "test14/in/d1/fzo");
279 	assertFileContents("bar", 3, "test14/in/d1/baz");
280 }
281