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 /* Number of bytes needed to pad 'n' to multiple of 'block', assuming 29 * that 'block' is a power of two. This trick can be more easily 30 * remembered as -n & (block - 1), but many compilers quite reasonably 31 * warn about "-n" when n is an unsigned value. (~(n) + 1) is the 32 * same thing, but written in a way that won't offend anyone. */ 33 #define PAD(n, block) ((~(n) + 1) & ((block) - 1)) 34 35 static int 36 is_hex(const char *p, size_t l) 37 { 38 while (l > 0) { 39 if ((*p >= '0' && *p <= '9') 40 || (*p >= 'a' && *p <= 'f') 41 || (*p >= 'A' && *p <= 'F')) 42 { 43 --l; 44 ++p; 45 } else 46 return (0); 47 48 } 49 return (1); 50 } 51 52 static int 53 from_hex(const char *p, size_t l) 54 { 55 int r = 0; 56 57 while (l > 0) { 58 r *= 16; 59 if (*p >= 'a' && *p <= 'f') 60 r += *p + 10 - 'a'; 61 else if (*p >= 'A' && *p <= 'F') 62 r += *p + 10 - 'A'; 63 else 64 r += *p - '0'; 65 --l; 66 ++p; 67 } 68 return (r); 69 } 70 71 #if !defined(_WIN32) || defined(__CYGWIN__) 72 static int 73 nlinks(const char *p) 74 { 75 struct stat st; 76 assertEqualInt(0, stat(p, &st)); 77 return st.st_nlink; 78 } 79 #endif 80 81 DEFINE_TEST(test_format_newc) 82 { 83 FILE *list; 84 int r; 85 int devmajor, devminor, ino, gid; 86 int uid = -1; 87 time_t t, t2, now; 88 char *p, *e; 89 size_t s, fs, ns; 90 char result[1024]; 91 92 assertUmask(0); 93 94 #if !defined(_WIN32) 95 uid = getuid(); 96 #endif 97 98 /* 99 * Create an assortment of files. 100 * TODO: Extend this to cover more filetypes. 101 */ 102 list = fopen("list", "w"); 103 104 /* "file1" */ 105 assertMakeFile("file1", 0644, "1234567890"); 106 fprintf(list, "file1\n"); 107 108 /* "hardlink" */ 109 assertMakeHardlink("hardlink", "file1"); 110 fprintf(list, "hardlink\n"); 111 112 /* Another hardlink, but this one won't be archived. */ 113 assertMakeHardlink("hardlink2", "file1"); 114 115 /* "symlink" */ 116 if (canSymlink()) { 117 assertMakeSymlink("symlink", "file1"); 118 fprintf(list, "symlink\n"); 119 } 120 121 /* "dir" */ 122 assertMakeDir("dir", 0775); 123 fprintf(list, "dir\n"); 124 125 /* Setup result message. */ 126 memset(result, 0, sizeof(result)); 127 if (is_LargeInode("file1")) { 128 strncat(result, 129 "bsdcpio: file1: large inode number truncated: ", 130 sizeof(result) - strlen(result) -1); 131 strncat(result, strerror(ERANGE), 132 sizeof(result) - strlen(result) -1); 133 strncat(result, "\n", 134 sizeof(result) - strlen(result) -1); 135 } 136 if (canSymlink() && is_LargeInode("symlink")) { 137 strncat(result, 138 "bsdcpio: symlink: large inode number truncated: ", 139 sizeof(result) - strlen(result) -1); 140 strncat(result, strerror(ERANGE), 141 sizeof(result) - strlen(result) -1); 142 strncat(result, "\n", 143 sizeof(result) - strlen(result) -1); 144 } 145 if (is_LargeInode("dir")) { 146 strncat(result, 147 "bsdcpio: dir: large inode number truncated: ", 148 sizeof(result) - strlen(result) -1); 149 strncat(result, strerror(ERANGE), 150 sizeof(result) - strlen(result) -1); 151 strncat(result, "\n", 152 sizeof(result) - strlen(result) -1); 153 } 154 if (is_LargeInode("hardlink")) { 155 strncat(result, 156 "bsdcpio: hardlink: large inode number truncated: ", 157 sizeof(result) - strlen(result) -1); 158 strncat(result, strerror(ERANGE), 159 sizeof(result) - strlen(result) -1); 160 strncat(result, "\n", 161 sizeof(result) - strlen(result) -1); 162 } 163 164 /* Record some facts about what we just created: */ 165 now = time(NULL); /* They were all created w/in last two seconds. */ 166 167 /* Use the cpio program to create an archive. */ 168 fclose(list); 169 r = systemf("%s -o --format=newc <list >newc.out 2>newc.err", 170 testprog); 171 if (!assertEqualInt(r, 0)) 172 return; 173 174 /* Verify that nothing went to stderr. */ 175 if (canSymlink()) { 176 strncat(result, "2 blocks\n", sizeof(result) - strlen(result) -1); 177 } else { 178 strncat(result, "1 block\n", sizeof(result) - strlen(result) -1); 179 } 180 assertTextFileContents(result, "newc.err"); 181 182 /* Verify that stdout is a well-formed cpio file in "newc" format. */ 183 p = slurpfile(&s, "newc.out"); 184 assertEqualInt(s, canSymlink() ? 1024 : 512); 185 e = p; 186 187 /* 188 * Some of these assertions could be stronger, but it's 189 * a little tricky because they depend on the local environment. 190 */ 191 192 /* First entry is "file1" */ 193 assert(is_hex(e, 110)); /* Entire header is octal digits. */ 194 assertEqualMem(e + 0, "070701", 6); /* Magic */ 195 ino = from_hex(e + 6, 8); /* ino */ 196 #if defined(_WIN32) && !defined(__CYGWIN__) 197 /* Group members bits and others bits do not work. */ 198 assertEqualInt(0x8180, from_hex(e + 14, 8) & 0xffc0); /* Mode */ 199 #else 200 assertEqualInt(0x81a4, from_hex(e + 14, 8)); /* Mode */ 201 #endif 202 if (uid < 0) 203 uid = from_hex(e + 22, 8); 204 assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ 205 gid = from_hex(e + 30, 8); /* gid */ 206 assertEqualMem(e + 38, "00000003", 8); /* nlink */ 207 t = from_hex(e + 46, 8); /* mtime */ 208 failure("t=0x%08x now=0x%08x=%d", t, now, now); 209 assert(t <= now); /* File wasn't created in future. */ 210 failure("t=0x%08x now - 2=0x%08x = %d", t, now - 2, now - 2); 211 assert(t >= now - 2); /* File was created w/in last 2 secs. */ 212 failure("newc format stores body only with last appearance of a link\n" 213 " first appearance should be empty, so this file size\n" 214 " field should be zero"); 215 assertEqualInt(0, from_hex(e + 54, 8)); /* File size */ 216 fs = from_hex(e + 54, 8); 217 fs += PAD(fs, 4); 218 devmajor = from_hex(e + 62, 8); /* devmajor */ 219 devminor = from_hex(e + 70, 8); /* devminor */ 220 assert(is_hex(e + 78, 8)); /* rdevmajor */ 221 assert(is_hex(e + 86, 8)); /* rdevminor */ 222 assertEqualMem(e + 94, "00000006", 8); /* Name size */ 223 ns = from_hex(e + 94, 8); 224 ns += PAD(ns + 2, 4); 225 assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ 226 assertEqualMem(e + 110, "file1\0", 6); /* Name contents */ 227 /* Since there's another link, no file contents here. */ 228 /* But add in file size so that an error here doesn't cascade. */ 229 e += 110 + fs + ns; 230 231 if (canSymlink()) { 232 /* "symlink" pointing to "file1" */ 233 assert(is_hex(e, 110)); 234 assertEqualMem(e + 0, "070701", 6); /* Magic */ 235 assert(is_hex(e + 6, 8)); /* ino */ 236 assertEqualInt(0xa1ff, from_hex(e + 14, 8)); /* Mode */ 237 assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ 238 assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */ 239 assertEqualMem(e + 38, "00000001", 8); /* nlink */ 240 t2 = from_hex(e + 46, 8); /* mtime */ 241 failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2); 242 assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */ 243 assertEqualMem(e + 54, "00000005", 8); /* File size */ 244 fs = from_hex(e + 54, 8); 245 fs += PAD(fs, 4); 246 assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */ 247 assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */ 248 assert(is_hex(e + 78, 8)); /* rdevmajor */ 249 assert(is_hex(e + 86, 8)); /* rdevminor */ 250 assertEqualMem(e + 94, "00000008", 8); /* Name size */ 251 ns = from_hex(e + 94, 8); 252 ns += PAD(ns + 2, 4); 253 assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ 254 assertEqualMem(e + 110, "symlink\0\0\0", 10); /* Name contents */ 255 assertEqualMem(e + 110 + ns, "file1\0\0\0", 8); /* symlink target */ 256 e += 110 + fs + ns; 257 } 258 259 /* "dir" */ 260 assert(is_hex(e, 110)); 261 assertEqualMem(e + 0, "070701", 6); /* Magic */ 262 assert(is_hex(e + 6, 8)); /* ino */ 263 #if defined(_WIN32) && !defined(__CYGWIN__) 264 /* Group members bits and others bits do not work. */ 265 assertEqualInt(0x41c0, from_hex(e + 14, 8) & 0xffc0); /* Mode */ 266 #else 267 /* Mode: sgid bit sometimes propagates from parent dirs, ignore it. */ 268 assertEqualInt(040775, from_hex(e + 14, 8) & ~02000); 269 #endif 270 assertEqualInt(uid, from_hex(e + 22, 8)); /* uid */ 271 assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */ 272 #if !defined(_WIN32) || defined(__CYGWIN__) 273 assertEqualInt(nlinks("dir"), from_hex(e + 38, 8)); /* nlinks */ 274 #endif 275 t2 = from_hex(e + 46, 8); /* mtime */ 276 failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2); 277 assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */ 278 assertEqualMem(e + 54, "00000000", 8); /* File size */ 279 fs = from_hex(e + 54, 8); 280 fs += PAD(fs, 4); 281 assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */ 282 assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */ 283 assert(is_hex(e + 78, 8)); /* rdevmajor */ 284 assert(is_hex(e + 86, 8)); /* rdevminor */ 285 assertEqualMem(e + 94, "00000004", 8); /* Name size */ 286 ns = from_hex(e + 94, 8); 287 ns += PAD(ns + 2, 4); 288 assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ 289 assertEqualMem(e + 110, "dir\0\0\0", 6); /* Name contents */ 290 e += 110 + fs + ns; 291 292 /* Hardlink identical to "file1" */ 293 /* Since we only wrote two of the three links to this 294 * file, this link should get deferred by the hardlink logic. */ 295 assert(is_hex(e, 110)); 296 assertEqualMem(e + 0, "070701", 6); /* Magic */ 297 failure("If these aren't the same, then the hardlink detection failed to match them."); 298 assertEqualInt(ino, from_hex(e + 6, 8)); /* ino */ 299 #if defined(_WIN32) && !defined(__CYGWIN__) 300 /* Group members bits and others bits do not work. */ 301 assertEqualInt(0x8180, from_hex(e + 14, 8) & 0xffc0); /* Mode */ 302 #else 303 assertEqualInt(0x81a4, from_hex(e + 14, 8)); /* Mode */ 304 #endif 305 assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ 306 assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */ 307 assertEqualMem(e + 38, "00000003", 8); /* nlink */ 308 t2 = from_hex(e + 46, 8); /* mtime */ 309 failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2); 310 assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */ 311 assertEqualInt(10, from_hex(e + 54, 8)); /* File size */ 312 fs = from_hex(e + 54, 8); 313 fs += PAD(fs, 4); 314 assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */ 315 assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */ 316 assert(is_hex(e + 78, 8)); /* rdevmajor */ 317 assert(is_hex(e + 86, 8)); /* rdevminor */ 318 assertEqualMem(e + 94, "00000009", 8); /* Name size */ 319 ns = from_hex(e + 94, 8); 320 ns += PAD(ns + 2, 4); 321 assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ 322 assertEqualMem(e + 110, "hardlink\0\0", 10); /* Name contents */ 323 assertEqualMem(e + 110 + ns, "1234567890\0\0", 12); /* File contents */ 324 e += 110 + ns + fs; 325 326 /* Last entry is end-of-archive marker. */ 327 assert(is_hex(e, 110)); 328 assertEqualMem(e + 0, "070701", 6); /* Magic */ 329 assertEqualMem(e + 8, "00000000", 8); /* ino */ 330 assertEqualMem(e + 14, "00000000", 8); /* mode */ 331 assertEqualMem(e + 22, "00000000", 8); /* uid */ 332 assertEqualMem(e + 30, "00000000", 8); /* gid */ 333 assertEqualMem(e + 38, "00000001", 8); /* nlink */ 334 assertEqualMem(e + 46, "00000000", 8); /* mtime */ 335 assertEqualMem(e + 54, "00000000", 8); /* size */ 336 assertEqualMem(e + 62, "00000000", 8); /* devmajor */ 337 assertEqualMem(e + 70, "00000000", 8); /* devminor */ 338 assertEqualMem(e + 78, "00000000", 8); /* rdevmajor */ 339 assertEqualMem(e + 86, "00000000", 8); /* rdevminor */ 340 assertEqualInt(11, from_hex(e + 94, 8)); /* name size */ 341 assertEqualMem(e + 102, "00000000", 8); /* check field */ 342 assertEqualMem(e + 110, "TRAILER!!!\0\0", 12); /* Name */ 343 344 free(p); 345 } 346