xref: /freebsd/contrib/libarchive/cpio/test/test_option_c.c (revision 5036d9652a5701d00e9e40ea942c278e9f77d33d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2003-2007 Tim Kientzle
5  * All rights reserved.
6  */
7 #include "test.h"
8 
9 static int
10 is_octal(const char *p, size_t l)
11 {
12 	while (l > 0) {
13 		if (*p < '0' || *p > '7')
14 			return (0);
15 		--l;
16 		++p;
17 	}
18 	return (1);
19 }
20 
21 static long long int
22 from_octal(const char *p, size_t l)
23 {
24 	long long int r = 0;
25 
26 	while (l > 0) {
27 		r *= 8;
28 		r += *p - '0';
29 		--l;
30 		++p;
31 	}
32 	return (r);
33 }
34 
35 #if !defined(_WIN32) || defined(__CYGWIN__)
36 static int
37 nlinks(const char *p)
38 {
39 	struct stat st;
40 	assertEqualInt(0, stat(p, &st));
41 	return st.st_nlink;
42 }
43 #endif
44 
45 DEFINE_TEST(test_option_c)
46 {
47 	FILE *filelist;
48 	int r;
49 	int uid = 1000;
50 	int dev, ino, gid = 1000;
51 	time_t t, now;
52 	char *p, *e;
53 	size_t s;
54 
55 	assertUmask(0);
56 
57 	/*
58 	 * Create an assortment of files.
59 	 * TODO: Extend this to cover more filetypes.
60 	 */
61 	filelist = fopen("filelist", "w");
62 
63 	/* "file" */
64 	assertMakeFile("file", 0644, "1234567890");
65 	fprintf(filelist, "file\n");
66 
67 	/* "symlink" */
68 	if (canSymlink()) {
69 		assertMakeSymlink("symlink", "file", 0);
70 		fprintf(filelist, "symlink\n");
71 	}
72 
73 	/* "dir" */
74 	assertMakeDir("dir", 0775);
75 	/* Record some facts about what we just created: */
76 	now = time(NULL); /* They were all created w/in last two seconds. */
77 	fprintf(filelist, "dir\n");
78 
79 	/* Use the cpio program to create an archive. */
80 	fclose(filelist);
81 	r = systemf("%s -R 1000:1000 -oc <filelist >basic.out 2>basic.err", testprog);
82 	/* Verify that nothing went to stderr. */
83 	assertTextFileContents("1 block\n", "basic.err");
84 
85 	/* Assert that the program finished. */
86 	failure("%s -oc crashed", testprog);
87 	if (!assertEqualInt(r, 0))
88 		return;
89 
90 	/* Verify that stdout is a well-formed cpio file in "odc" format. */
91 	p = slurpfile(&s, "basic.out");
92 	assertEqualInt(s, 512);
93 	e = p;
94 
95 	/*
96 	 * Some of these assertions could be stronger, but it's
97 	 * a little tricky because they depend on the local environment.
98 	 */
99 
100 	/* First entry is "file" */
101 	assert(is_octal(e, 76)); /* Entire header is octal digits. */
102 	assertEqualMem(e + 0, "070707", 6); /* Magic */
103 	assert(is_octal(e + 6, 6)); /* dev */
104 	dev = (int)from_octal(e + 6, 6);
105 	assert(is_octal(e + 12, 6)); /* ino */
106 	ino = (int)from_octal(e + 12, 6);
107 #if defined(_WIN32) && !defined(__CYGWIN__)
108 	/* Group members bits and others bits do not work. */
109 	assertEqualMem(e + 18, "100666", 6); /* Mode */
110 #else
111 	assertEqualMem(e + 18, "100644", 6); /* Mode */
112 #endif
113 	if (uid < 0)
114 		uid = (int)from_octal(e + 24, 6);
115 	assertEqualInt(from_octal(e + 24, 6), uid); /* uid */
116 	assert(is_octal(e + 30, 6)); /* gid */
117 	gid = (int)from_octal(e + 30, 6);
118 	assertEqualMem(e + 36, "000001", 6); /* nlink */
119 	failure("file entries should not have rdev set (dev field was 0%o)",
120 	    dev);
121 	assertEqualMem(e + 42, "000000", 6); /* rdev */
122 	t = from_octal(e + 48, 11); /* mtime */
123 	assert(t <= now); /* File wasn't created in future. */
124 	assert(t >= now - 2); /* File was created w/in last 2 secs. */
125 	assertEqualMem(e + 59, "000005", 6); /* Name size */
126 	assertEqualMem(e + 65, "00000000012", 11); /* File size */
127 	assertEqualMem(e + 76, "file\0", 5); /* Name contents */
128 	assertEqualMem(e + 81, "1234567890", 10); /* File contents */
129 	e += 91;
130 
131 	/* "symlink" pointing to "file" */
132 	if (canSymlink()) {
133 		assert(is_octal(e, 76)); /* Entire header is octal digits. */
134 		assertEqualMem(e + 0, "070707", 6); /* Magic */
135 		assertEqualInt(dev, from_octal(e + 6, 6)); /* dev */
136 		assert(ino != from_octal(e + 12, 6)); /* ino */
137 #if !defined(_WIN32) || defined(__CYGWIN__)
138 		/* On Windows, symbolic link and group members bits and
139 		 * others bits do not work. */
140 		assertEqualMem(e + 18, "120777", 6); /* Mode */
141 #endif
142 		assertEqualInt(from_octal(e + 24, 6), uid); /* uid */
143 		assertEqualInt(gid, from_octal(e + 30, 6)); /* gid */
144 		assertEqualMem(e + 36, "000001", 6); /* nlink */
145 		failure("file entries should have rdev == 0 (dev was 0%llo)",
146 		    from_octal(e + 6, 6));
147 		assertEqualMem(e + 42, "000000", 6); /* rdev */
148 		t = from_octal(e + 48, 11); /* mtime */
149 		assert(t <= now); /* File wasn't created in future. */
150 		assert(t >= now - 2); /* File was created w/in last 2 secs. */
151 		assertEqualMem(e + 59, "000010", 6); /* Name size */
152 		assertEqualMem(e + 65, "00000000004", 11); /* File size */
153 		assertEqualMem(e + 76, "symlink\0", 8); /* Name contents */
154 		assertEqualMem(e + 84, "file", 4); /* Symlink target. */
155 		e += 88;
156 	}
157 
158 	/* "dir" */
159 	assert(is_octal(e, 76));
160 	assertEqualMem(e + 0, "070707", 6); /* Magic */
161 	/* Dev should be same as first entry. */
162 	assert(is_octal(e + 6, 6)); /* dev */
163 	assertEqualInt(dev, from_octal(e + 6, 6));
164 	/* Ino must be different from first entry. */
165 	assert(is_octal(e + 12, 6)); /* ino */
166 	assert(ino != from_octal(e + 12, 6));
167 #if defined(_WIN32) && !defined(__CYGWIN__)
168 	/* Group members bits and others bits do not work. */
169 	assertEqualMem(e + 18, "040777", 6); /* Mode */
170 #else
171 	/* Accept 042775 to accommodate systems where sgid bit propagates. */
172 	if (memcmp(e + 18, "042775", 6) != 0)
173 		assertEqualMem(e + 18, "040775", 6); /* Mode */
174 #endif
175 	assertEqualInt(uid, from_octal(e + 24, 6)); /* uid */
176 	/* Gid should be same as first entry. */
177 	assert(is_octal(e + 30, 6)); /* gid */
178 	assertEqualInt(gid, from_octal(e + 30, 6));
179 
180 #if !defined(_WIN32) || defined(__CYGWIN__)
181 	assertEqualInt(nlinks("dir"), from_octal(e + 36, 6)); /* Nlink */
182 #endif
183 
184 	t = from_octal(e + 48, 11); /* mtime */
185 	assert(t <= now); /* File wasn't created in future. */
186 	assert(t >= now - 2); /* File was created w/in last 2 secs. */
187 	assertEqualMem(e + 59, "000004", 6); /* Name size */
188 	assertEqualMem(e + 65, "00000000000", 11); /* File size */
189 	assertEqualMem(e + 76, "dir\0", 4); /* name */
190 	e += 80;
191 
192 	/* TODO: Verify other types of entries. */
193 
194 	/* Last entry is end-of-archive marker. */
195 	assert(is_octal(e, 76));
196 	assertEqualMem(e + 0, "070707", 6); /* Magic */
197 	assertEqualMem(e + 6, "000000", 6); /* dev */
198 	assertEqualMem(e + 12, "000000", 6); /* ino */
199 	assertEqualMem(e + 18, "000000", 6); /* Mode */
200 	assertEqualMem(e + 24, "000000", 6); /* uid */
201 	assertEqualMem(e + 30, "000000", 6); /* gid */
202 	assertEqualMem(e + 36, "000001", 6); /* Nlink */
203 	assertEqualMem(e + 42, "000000", 6); /* rdev */
204 	assertEqualMem(e + 48, "00000000000", 11); /* mtime */
205 	assertEqualMem(e + 59, "000013", 6); /* Name size */
206 	assertEqualMem(e + 65, "00000000000", 11); /* File size */
207 	assertEqualMem(e + 76, "TRAILER!!!\0", 11); /* Name */
208 
209 	free(p);
210 }
211