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: head/lib/libarchive/test/test_write_format_cpio_odc.c 201247 2009-12-30 05:59:21Z kientzle $"); 27 28 29 static int 30 is_octal(const char *p, size_t l) 31 { 32 while (l > 0) { 33 if (*p < '0' || *p > '7') 34 return (0); 35 --l; 36 ++p; 37 } 38 return (1); 39 } 40 41 /* 42 * Detailed verification that cpio 'odc' archives are written with 43 * the correct format. 44 */ 45 DEFINE_TEST(test_write_format_cpio_odc) 46 { 47 struct archive *a; 48 struct archive_entry *entry; 49 char *buff, *e, *file; 50 size_t buffsize = 100000; 51 size_t used; 52 53 buff = malloc(buffsize); 54 55 /* Create a new archive in memory. */ 56 assert((a = archive_write_new()) != NULL); 57 assertEqualIntA(a, 0, archive_write_set_format_cpio(a)); 58 assertEqualIntA(a, 0, archive_write_set_compression_none(a)); 59 assertEqualIntA(a, 0, archive_write_open_memory(a, buff, buffsize, &used)); 60 61 /* 62 * Add various files to it. 63 * TODO: Extend this to cover more filetypes. 64 */ 65 66 /* "file" with 10 bytes of content */ 67 assert((entry = archive_entry_new()) != NULL); 68 archive_entry_set_mtime(entry, 1, 10); 69 archive_entry_set_pathname(entry, "file"); 70 archive_entry_set_mode(entry, S_IFREG | 0664); 71 archive_entry_set_size(entry, 10); 72 archive_entry_set_uid(entry, 80); 73 archive_entry_set_gid(entry, 90); 74 archive_entry_set_dev(entry, 12); 75 archive_entry_set_ino(entry, 89); 76 archive_entry_set_nlink(entry, 2); 77 assertEqualIntA(a, 0, archive_write_header(a, entry)); 78 archive_entry_free(entry); 79 assertEqualIntA(a, 10, archive_write_data(a, "1234567890", 10)); 80 81 /* Hardlink to "file" with 10 bytes of content */ 82 assert((entry = archive_entry_new()) != NULL); 83 archive_entry_set_mtime(entry, 1, 10); 84 archive_entry_set_pathname(entry, "linkfile"); 85 archive_entry_set_mode(entry, S_IFREG | 0664); 86 archive_entry_set_size(entry, 10); 87 archive_entry_set_uid(entry, 80); 88 archive_entry_set_gid(entry, 90); 89 archive_entry_set_dev(entry, 12); 90 archive_entry_set_ino(entry, 89); 91 archive_entry_set_nlink(entry, 2); 92 assertEqualIntA(a, 0, archive_write_header(a, entry)); 93 archive_entry_free(entry); 94 assertEqualIntA(a, 10, archive_write_data(a, "1234567890", 10)); 95 96 /* "dir" */ 97 assert((entry = archive_entry_new()) != NULL); 98 archive_entry_set_mtime(entry, 2, 20); 99 archive_entry_set_pathname(entry, "dir"); 100 archive_entry_set_mode(entry, S_IFDIR | 0775); 101 archive_entry_set_size(entry, 10); 102 archive_entry_set_nlink(entry, 2); 103 assertEqualIntA(a, 0, archive_write_header(a, entry)); 104 archive_entry_free(entry); 105 /* Write of data to dir should fail == zero bytes get written. */ 106 assertEqualIntA(a, 0, archive_write_data(a, "1234567890", 10)); 107 108 /* "symlink" pointing to "file" */ 109 assert((entry = archive_entry_new()) != NULL); 110 archive_entry_set_mtime(entry, 3, 30); 111 archive_entry_set_pathname(entry, "symlink"); 112 archive_entry_set_mode(entry, 0664); 113 archive_entry_set_filetype(entry, AE_IFLNK); 114 archive_entry_set_symlink(entry,"file"); 115 archive_entry_set_size(entry, 0); 116 archive_entry_set_uid(entry, 88); 117 archive_entry_set_gid(entry, 98); 118 archive_entry_set_dev(entry, 12); 119 archive_entry_set_ino(entry, 90); 120 archive_entry_set_nlink(entry, 1); 121 assertEqualIntA(a, 0, archive_write_header(a, entry)); 122 archive_entry_free(entry); 123 /* Write of data to symlink should fail == zero bytes get written. */ 124 assertEqualIntA(a, 0, archive_write_data(a, "1234567890", 10)); 125 126 #if ARCHIVE_VERSION_NUMBER < 2000000 127 archive_write_finish(a); 128 #else 129 assert(0 == archive_write_finish(a)); 130 #endif 131 132 /* 133 * Verify the archive format. 134 * 135 * Notes on the ino validation: cpio does not actually require 136 * that the ino values written to the archive match those read 137 * from disk. It really requires that: 138 * * matching non-zero ino values be written as matching 139 * non-zero values 140 * * non-matching non-zero ino values be written as non-matching 141 * non-zero values 142 * Libarchive further ensures that zero ino values get written 143 * as zeroes. This allows the cpio writer to generate 144 * synthetic ino values for the archive that may be different 145 * than those on disk in order to avoid problems due to truncation. 146 * This is especially needed for odc (POSIX format) that 147 * only supports 18-bit ino values. 148 */ 149 e = buff; 150 151 /* "file" */ 152 file = e; /* Remember where this starts... */ 153 assert(is_octal(e, 76)); /* Entire header is octal digits. */ 154 assertEqualMem(e + 0, "070707", 6); /* Magic */ 155 assertEqualMem(e + 6, "000014", 6); /* dev */ 156 assert(memcmp(e + 12, "000000", 6) != 0); /* ino must be != 0 */ 157 assertEqualMem(e + 18, "100664", 6); /* Mode */ 158 assertEqualMem(e + 24, "000120", 6); /* uid */ 159 assertEqualMem(e + 30, "000132", 6); /* gid */ 160 assertEqualMem(e + 36, "000002", 6); /* nlink */ 161 assertEqualMem(e + 42, "000000", 6); /* rdev */ 162 assertEqualMem(e + 48, "00000000001", 11); /* mtime */ 163 assertEqualMem(e + 59, "000005", 6); /* Name size */ 164 assertEqualMem(e + 65, "00000000012", 11); /* File size */ 165 assertEqualMem(e + 76, "file\0", 5); /* Name contents */ 166 assertEqualMem(e + 81, "1234567890", 10); /* File contents */ 167 e += 91; 168 169 /* hardlink to "file" */ 170 assert(is_octal(e, 76)); /* Entire header is octal digits. */ 171 assertEqualMem(e + 0, "070707", 6); /* Magic */ 172 assertEqualMem(e + 6, "000014", 6); /* dev */ 173 assertEqualMem(e + 12, file + 12, 6); /* ino must match above */ 174 assertEqualMem(e + 18, "100664", 6); /* Mode */ 175 assertEqualMem(e + 24, "000120", 6); /* uid */ 176 assertEqualMem(e + 30, "000132", 6); /* gid */ 177 assertEqualMem(e + 36, "000002", 6); /* nlink */ 178 assertEqualMem(e + 42, "000000", 6); /* rdev */ 179 assertEqualMem(e + 48, "00000000001", 11); /* mtime */ 180 assertEqualMem(e + 59, "000011", 6); /* Name size */ 181 assertEqualMem(e + 65, "00000000012", 11); /* File size */ 182 assertEqualMem(e + 76, "linkfile\0", 9); /* Name contents */ 183 assertEqualMem(e + 85, "1234567890", 10); /* File contents */ 184 e += 95; 185 186 /* "dir" */ 187 assert(is_octal(e, 76)); 188 assertEqualMem(e + 0, "070707", 6); /* Magic */ 189 assertEqualMem(e + 6, "000000", 6); /* dev */ 190 assertEqualMem(e + 12, "000000", 6); /* ino */ 191 assertEqualMem(e + 18, "040775", 6); /* Mode */ 192 assertEqualMem(e + 24, "000000", 6); /* uid */ 193 assertEqualMem(e + 30, "000000", 6); /* gid */ 194 assertEqualMem(e + 36, "000002", 6); /* Nlink */ 195 assertEqualMem(e + 42, "000000", 6); /* rdev */ 196 assertEqualMem(e + 48, "00000000002", 11); /* mtime */ 197 assertEqualMem(e + 59, "000004", 6); /* Name size */ 198 assertEqualMem(e + 65, "00000000000", 11); /* File size */ 199 assertEqualMem(e + 76, "dir\0", 4); /* name */ 200 e += 80; 201 202 /* "symlink" pointing to "file" */ 203 assert(is_octal(e, 76)); /* Entire header is octal digits. */ 204 assertEqualMem(e + 0, "070707", 6); /* Magic */ 205 assertEqualMem(e + 6, "000014", 6); /* dev */ 206 assert(memcmp(e + 12, file + 12, 6) != 0); /* ino must != file ino */ 207 assert(memcmp(e + 12, "000000", 6) != 0); /* ino must != 0 */ 208 assertEqualMem(e + 18, "120664", 6); /* Mode */ 209 assertEqualMem(e + 24, "000130", 6); /* uid */ 210 assertEqualMem(e + 30, "000142", 6); /* gid */ 211 assertEqualMem(e + 36, "000001", 6); /* nlink */ 212 assertEqualMem(e + 42, "000000", 6); /* rdev */ 213 assertEqualMem(e + 48, "00000000003", 11); /* mtime */ 214 assertEqualMem(e + 59, "000010", 6); /* Name size */ 215 assertEqualMem(e + 65, "00000000004", 11); /* File size */ 216 assertEqualMem(e + 76, "symlink\0", 8); /* Name contents */ 217 assertEqualMem(e + 84, "file", 4); /* File contents == link target */ 218 e += 88; 219 220 /* TODO: Verify other types of entries. */ 221 222 /* Last entry is end-of-archive marker. */ 223 assert(is_octal(e, 76)); 224 assertEqualMem(e + 0, "070707", 6); /* Magic */ 225 assertEqualMem(e + 6, "000000", 6); /* dev */ 226 assertEqualMem(e + 12, "000000", 6); /* ino */ 227 assertEqualMem(e + 18, "000000", 6); /* Mode */ 228 assertEqualMem(e + 24, "000000", 6); /* uid */ 229 assertEqualMem(e + 30, "000000", 6); /* gid */ 230 assertEqualMem(e + 36, "000001", 6); /* Nlink */ 231 assertEqualMem(e + 42, "000000", 6); /* rdev */ 232 assertEqualMem(e + 48, "00000000000", 11); /* mtime */ 233 assertEqualMem(e + 59, "000013", 6); /* Name size */ 234 assertEqualMem(e + 65, "00000000000", 11); /* File size */ 235 assertEqualMem(e + 76, "TRAILER!!!\0", 11); /* Name */ 236 e += 87; 237 238 assertEqualInt((int)used, e - buff); 239 240 free(buff); 241 } 242