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 35static int 36is_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 52static int 53from_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__) 72static int 73nlinks(const char *p) 74{ 75 struct stat st; 76 assertEqualInt(0, stat(p, &st)); 77 return st.st_nlink; 78} 79#endif 80 81DEFINE_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 "Numerical result out of range\n", 131 sizeof(result) - strlen(result) -1); 132 if (canSymlink() && is_LargeInode("symlink")) 133 strncat(result, 134 "bsdcpio: symlink: large inode number truncated: " 135 "Numerical result out of range\n", 136 sizeof(result) - strlen(result) -1); 137 if (is_LargeInode("dir")) 138 strncat(result, 139 "bsdcpio: dir: large inode number truncated: " 140 "Numerical result out of range\n", 141 sizeof(result) - strlen(result) -1); 142 if (is_LargeInode("hardlink")) 143 strncat(result, 144 "bsdcpio: hardlink: large inode number truncated: " 145 "Numerical result out of range\n", 146 sizeof(result) - strlen(result) -1); 147 148 /* Record some facts about what we just created: */ 149 now = time(NULL); /* They were all created w/in last two seconds. */ 150 151 /* Use the cpio program to create an archive. */ 152 fclose(list); 153 r = systemf("%s -o --format=newc <list >newc.out 2>newc.err", 154 testprog); 155 if (!assertEqualInt(r, 0)) 156 return; 157 158 /* Verify that nothing went to stderr. */ 159 if (canSymlink()) { 160 strncat(result, "2 blocks\n", sizeof(result) - strlen(result) -1); 161 } else { 162 strncat(result, "1 block\n", sizeof(result) - strlen(result) -1); 163 } 164 assertTextFileContents(result, "newc.err"); 165 166 /* Verify that stdout is a well-formed cpio file in "newc" format. */ 167 p = slurpfile(&s, "newc.out"); 168 assertEqualInt(s, canSymlink() ? 1024 : 512); 169 e = p; 170 171 /* 172 * Some of these assertions could be stronger, but it's 173 * a little tricky because they depend on the local environment. 174 */ 175 176 /* First entry is "file1" */ 177 assert(is_hex(e, 110)); /* Entire header is octal digits. */ 178 assertEqualMem(e + 0, "070701", 6); /* Magic */ 179 ino = from_hex(e + 6, 8); /* ino */ 180#if defined(_WIN32) && !defined(__CYGWIN__) 181 /* Group members bits and others bits do not work. */ 182 assertEqualInt(0x8180, from_hex(e + 14, 8) & 0xffc0); /* Mode */ 183#else 184 assertEqualInt(0x81a4, from_hex(e + 14, 8)); /* Mode */ 185#endif 186 if (uid < 0) 187 uid = from_hex(e + 22, 8); 188 assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ 189 gid = from_hex(e + 30, 8); /* gid */ 190 assertEqualMem(e + 38, "00000003", 8); /* nlink */ 191 t = from_hex(e + 46, 8); /* mtime */ 192 failure("t=0x%08x now=0x%08x=%d", t, now, now); 193 assert(t <= now); /* File wasn't created in future. */ 194 failure("t=0x%08x now - 2=0x%08x = %d", t, now - 2, now - 2); 195 assert(t >= now - 2); /* File was created w/in last 2 secs. */ 196 failure("newc format stores body only with last appearance of a link\n" 197 " first appearance should be empty, so this file size\n" 198 " field should be zero"); 199 assertEqualInt(0, from_hex(e + 54, 8)); /* File size */ 200 fs = from_hex(e + 54, 8); 201 fs += PAD(fs, 4); 202 devmajor = from_hex(e + 62, 8); /* devmajor */ 203 devminor = from_hex(e + 70, 8); /* devminor */ 204 assert(is_hex(e + 78, 8)); /* rdevmajor */ 205 assert(is_hex(e + 86, 8)); /* rdevminor */ 206 assertEqualMem(e + 94, "00000006", 8); /* Name size */ 207 ns = from_hex(e + 94, 8); 208 ns += PAD(ns + 2, 4); 209 assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ 210 assertEqualMem(e + 110, "file1\0", 6); /* Name contents */ 211 /* Since there's another link, no file contents here. */ 212 /* But add in file size so that an error here doesn't cascade. */ 213 e += 110 + fs + ns; 214 215 if (canSymlink()) { 216 /* "symlink" pointing to "file1" */ 217 assert(is_hex(e, 110)); 218 assertEqualMem(e + 0, "070701", 6); /* Magic */ 219 assert(is_hex(e + 6, 8)); /* ino */ 220 assertEqualInt(0xa1ff, from_hex(e + 14, 8)); /* Mode */ 221 assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ 222 assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */ 223 assertEqualMem(e + 38, "00000001", 8); /* nlink */ 224 t2 = from_hex(e + 46, 8); /* mtime */ 225 failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2); 226 assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */ 227 assertEqualMem(e + 54, "00000005", 8); /* File size */ 228 fs = from_hex(e + 54, 8); 229 fs += PAD(fs, 4); 230 assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */ 231 assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */ 232 assert(is_hex(e + 78, 8)); /* rdevmajor */ 233 assert(is_hex(e + 86, 8)); /* rdevminor */ 234 assertEqualMem(e + 94, "00000008", 8); /* Name size */ 235 ns = from_hex(e + 94, 8); 236 ns += PAD(ns + 2, 4); 237 assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ 238 assertEqualMem(e + 110, "symlink\0\0\0", 10); /* Name contents */ 239 assertEqualMem(e + 110 + ns, "file1\0\0\0", 8); /* symlink target */ 240 e += 110 + fs + ns; 241 } 242 243 /* "dir" */ 244 assert(is_hex(e, 110)); 245 assertEqualMem(e + 0, "070701", 6); /* Magic */ 246 assert(is_hex(e + 6, 8)); /* ino */ 247#if defined(_WIN32) && !defined(__CYGWIN__) 248 /* Group members bits and others bits do not work. */ 249 assertEqualInt(0x41c0, from_hex(e + 14, 8) & 0xffc0); /* Mode */ 250#else 251 /* Mode: sgid bit sometimes propagates from parent dirs, ignore it. */ 252 assertEqualInt(040775, from_hex(e + 14, 8) & ~02000); 253#endif 254 assertEqualInt(uid, from_hex(e + 22, 8)); /* uid */ 255 assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */ 256#if !defined(_WIN32) || defined(__CYGWIN__) 257 assertEqualInt(nlinks("dir"), from_hex(e + 38, 8)); /* nlinks */ 258#endif 259 t2 = from_hex(e + 46, 8); /* mtime */ 260 failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2); 261 assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */ 262 assertEqualMem(e + 54, "00000000", 8); /* File size */ 263 fs = from_hex(e + 54, 8); 264 fs += PAD(fs, 4); 265 assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */ 266 assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */ 267 assert(is_hex(e + 78, 8)); /* rdevmajor */ 268 assert(is_hex(e + 86, 8)); /* rdevminor */ 269 assertEqualMem(e + 94, "00000004", 8); /* Name size */ 270 ns = from_hex(e + 94, 8); 271 ns += PAD(ns + 2, 4); 272 assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ 273 assertEqualMem(e + 110, "dir\0\0\0", 6); /* Name contents */ 274 e += 110 + fs + ns; 275 276 /* Hardlink identical to "file1" */ 277 /* Since we only wrote two of the three links to this 278 * file, this link should get deferred by the hardlink logic. */ 279 assert(is_hex(e, 110)); 280 assertEqualMem(e + 0, "070701", 6); /* Magic */ 281 failure("If these aren't the same, then the hardlink detection failed to match them."); 282 assertEqualInt(ino, from_hex(e + 6, 8)); /* ino */ 283#if defined(_WIN32) && !defined(__CYGWIN__) 284 /* Group members bits and others bits do not work. */ 285 assertEqualInt(0x8180, from_hex(e + 14, 8) & 0xffc0); /* Mode */ 286#else 287 assertEqualInt(0x81a4, from_hex(e + 14, 8)); /* Mode */ 288#endif 289 assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ 290 assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */ 291 assertEqualMem(e + 38, "00000003", 8); /* nlink */ 292 t2 = from_hex(e + 46, 8); /* mtime */ 293 failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2); 294 assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */ 295 assertEqualInt(10, from_hex(e + 54, 8)); /* File size */ 296 fs = from_hex(e + 54, 8); 297 fs += PAD(fs, 4); 298 assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */ 299 assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */ 300 assert(is_hex(e + 78, 8)); /* rdevmajor */ 301 assert(is_hex(e + 86, 8)); /* rdevminor */ 302 assertEqualMem(e + 94, "00000009", 8); /* Name size */ 303 ns = from_hex(e + 94, 8); 304 ns += PAD(ns + 2, 4); 305 assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ 306 assertEqualMem(e + 110, "hardlink\0\0", 10); /* Name contents */ 307 assertEqualMem(e + 110 + ns, "1234567890\0\0", 12); /* File contents */ 308 e += 110 + ns + fs; 309 310 /* Last entry is end-of-archive marker. */ 311 assert(is_hex(e, 110)); 312 assertEqualMem(e + 0, "070701", 6); /* Magic */ 313 assertEqualMem(e + 8, "00000000", 8); /* ino */ 314 assertEqualMem(e + 14, "00000000", 8); /* mode */ 315 assertEqualMem(e + 22, "00000000", 8); /* uid */ 316 assertEqualMem(e + 30, "00000000", 8); /* gid */ 317 assertEqualMem(e + 38, "00000001", 8); /* nlink */ 318 assertEqualMem(e + 46, "00000000", 8); /* mtime */ 319 assertEqualMem(e + 54, "00000000", 8); /* size */ 320 assertEqualMem(e + 62, "00000000", 8); /* devmajor */ 321 assertEqualMem(e + 70, "00000000", 8); /* devminor */ 322 assertEqualMem(e + 78, "00000000", 8); /* rdevmajor */ 323 assertEqualMem(e + 86, "00000000", 8); /* rdevminor */ 324 assertEqualInt(11, from_hex(e + 94, 8)); /* name size */ 325 assertEqualMem(e + 102, "00000000", 8); /* check field */ 326 assertEqualMem(e + 110, "TRAILER!!!\0\0", 12); /* Name */ 327 328 free(p); 329} 330