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: src/usr.bin/cpio/test/test_format_newc.c,v 1.2 2008/08/22 02:09:10 kientzle Exp $"); 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 DEFINE_TEST(test_format_newc) 72 { 73 FILE *list; 74 int r; 75 int devmajor, devminor, ino, gid; 76 int uid = -1; 77 time_t t, t2, now; 78 char *p, *e; 79 size_t s, fs, ns; 80 81 assertUmask(0); 82 83 #if !defined(_WIN32) 84 uid = getuid(); 85 #endif 86 87 /* 88 * Create an assortment of files. 89 * TODO: Extend this to cover more filetypes. 90 */ 91 list = fopen("list", "w"); 92 93 /* "file1" */ 94 assertMakeFile("file1", 0644, "1234567890"); 95 fprintf(list, "file1\n"); 96 97 /* "hardlink" */ 98 assertMakeHardlink("hardlink", "file1"); 99 fprintf(list, "hardlink\n"); 100 101 /* Another hardlink, but this one won't be archived. */ 102 assertMakeHardlink("hardlink2", "file1"); 103 104 /* "symlink" */ 105 if (canSymlink()) { 106 assertMakeSymlink("symlink", "file1"); 107 fprintf(list, "symlink\n"); 108 } 109 110 /* "dir" */ 111 assertMakeDir("dir", 0775); 112 fprintf(list, "dir\n"); 113 114 /* Record some facts about what we just created: */ 115 now = time(NULL); /* They were all created w/in last two seconds. */ 116 117 /* Use the cpio program to create an archive. */ 118 fclose(list); 119 r = systemf("%s -o --format=newc <list >newc.out 2>newc.err", 120 testprog); 121 if (!assertEqualInt(r, 0)) 122 return; 123 124 /* Verify that nothing went to stderr. */ 125 if (canSymlink()) { 126 assertTextFileContents("2 blocks\n", "newc.err"); 127 } else { 128 assertTextFileContents("1 block\n", "newc.err"); 129 } 130 131 /* Verify that stdout is a well-formed cpio file in "newc" format. */ 132 p = slurpfile(&s, "newc.out"); 133 assertEqualInt(s, canSymlink() ? 1024 : 512); 134 e = p; 135 136 /* 137 * Some of these assertions could be stronger, but it's 138 * a little tricky because they depend on the local environment. 139 */ 140 141 /* First entry is "file1" */ 142 assert(is_hex(e, 110)); /* Entire header is octal digits. */ 143 assertEqualMem(e + 0, "070701", 6); /* Magic */ 144 ino = from_hex(e + 6, 8); /* ino */ 145 #if defined(_WIN32) && !defined(__CYGWIN__) 146 /* Group members bits and others bits do not work. */ 147 assertEqualInt(0x8180, from_hex(e + 14, 8) & 0xffc0); /* Mode */ 148 #else 149 assertEqualInt(0x81a4, from_hex(e + 14, 8)); /* Mode */ 150 #endif 151 if (uid < 0) 152 uid = from_hex(e + 22, 8); 153 assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ 154 gid = from_hex(e + 30, 8); /* gid */ 155 assertEqualMem(e + 38, "00000003", 8); /* nlink */ 156 t = from_hex(e + 46, 8); /* mtime */ 157 failure("t=0x%08x now=0x%08x=%d", t, now, now); 158 assert(t <= now); /* File wasn't created in future. */ 159 failure("t=0x%08x now - 2=0x%08x = %d", t, now - 2, now - 2); 160 assert(t >= now - 2); /* File was created w/in last 2 secs. */ 161 failure("newc format stores body only with last appearance of a link\n" 162 " first appearance should be empty, so this file size\n" 163 " field should be zero"); 164 assertEqualInt(0, from_hex(e + 54, 8)); /* File size */ 165 fs = from_hex(e + 54, 8); 166 fs += PAD(fs, 4); 167 devmajor = from_hex(e + 62, 8); /* devmajor */ 168 devminor = from_hex(e + 70, 8); /* devminor */ 169 assert(is_hex(e + 78, 8)); /* rdevmajor */ 170 assert(is_hex(e + 86, 8)); /* rdevminor */ 171 assertEqualMem(e + 94, "00000006", 8); /* Name size */ 172 ns = from_hex(e + 94, 8); 173 ns += PAD(ns + 2, 4); 174 assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ 175 assertEqualMem(e + 110, "file1\0", 6); /* Name contents */ 176 /* Since there's another link, no file contents here. */ 177 /* But add in file size so that an error here doesn't cascade. */ 178 e += 110 + fs + ns; 179 180 if (canSymlink()) { 181 /* "symlink" pointing to "file1" */ 182 assert(is_hex(e, 110)); 183 assertEqualMem(e + 0, "070701", 6); /* Magic */ 184 assert(is_hex(e + 6, 8)); /* ino */ 185 assertEqualInt(0xa1ff, from_hex(e + 14, 8)); /* Mode */ 186 assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ 187 assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */ 188 assertEqualMem(e + 38, "00000001", 8); /* nlink */ 189 t2 = from_hex(e + 46, 8); /* mtime */ 190 failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2); 191 assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */ 192 assertEqualMem(e + 54, "00000005", 8); /* File size */ 193 fs = from_hex(e + 54, 8); 194 fs += PAD(fs, 4); 195 assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */ 196 assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */ 197 assert(is_hex(e + 78, 8)); /* rdevmajor */ 198 assert(is_hex(e + 86, 8)); /* rdevminor */ 199 assertEqualMem(e + 94, "00000008", 8); /* Name size */ 200 ns = from_hex(e + 94, 8); 201 ns += PAD(ns + 2, 4); 202 assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ 203 assertEqualMem(e + 110, "symlink\0\0\0", 10); /* Name contents */ 204 assertEqualMem(e + 110 + ns, "file1\0\0\0", 8); /* symlink target */ 205 e += 110 + fs + ns; 206 } 207 208 /* "dir" */ 209 assert(is_hex(e, 110)); 210 assertEqualMem(e + 0, "070701", 6); /* Magic */ 211 assert(is_hex(e + 6, 8)); /* ino */ 212 #if defined(_WIN32) && !defined(__CYGWIN__) 213 /* Group members bits and others bits do not work. */ 214 assertEqualInt(0x41c0, from_hex(e + 14, 8) & 0xffc0); /* Mode */ 215 #else 216 /* Mode: sgid bit sometimes propagates from parent dirs, ignore it. */ 217 assertEqualInt(040775, from_hex(e + 14, 8) & ~02000); 218 #endif 219 assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ 220 assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */ 221 #ifndef NLINKS_INACCURATE_FOR_DIRS 222 assertEqualMem(e + 38, "00000002", 8); /* nlink */ 223 #endif 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, "00000000", 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, "00000004", 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, "dir\0\0\0", 6); /* Name contents */ 239 e += 110 + fs + ns; 240 241 /* Hardlink identical to "file1" */ 242 /* Since we only wrote two of the three links to this 243 * file, this link should get deferred by the hardlink logic. */ 244 assert(is_hex(e, 110)); 245 assertEqualMem(e + 0, "070701", 6); /* Magic */ 246 failure("If these aren't the same, then the hardlink detection failed to match them."); 247 assertEqualInt(ino, from_hex(e + 6, 8)); /* ino */ 248 #if defined(_WIN32) && !defined(__CYGWIN__) 249 /* Group members bits and others bits do not work. */ 250 assertEqualInt(0x8180, from_hex(e + 14, 8) & 0xffc0); /* Mode */ 251 #else 252 assertEqualInt(0x81a4, from_hex(e + 14, 8)); /* Mode */ 253 #endif 254 assertEqualInt(from_hex(e + 22, 8), uid); /* uid */ 255 assertEqualInt(gid, from_hex(e + 30, 8)); /* gid */ 256 assertEqualMem(e + 38, "00000003", 8); /* nlink */ 257 t2 = from_hex(e + 46, 8); /* mtime */ 258 failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2); 259 assert(t2 == t || t2 == t + 1); /* Almost same as first entry. */ 260 assertEqualInt(10, from_hex(e + 54, 8)); /* File size */ 261 fs = from_hex(e + 54, 8); 262 fs += PAD(fs, 4); 263 assertEqualInt(devmajor, from_hex(e + 62, 8)); /* devmajor */ 264 assertEqualInt(devminor, from_hex(e + 70, 8)); /* devminor */ 265 assert(is_hex(e + 78, 8)); /* rdevmajor */ 266 assert(is_hex(e + 86, 8)); /* rdevminor */ 267 assertEqualMem(e + 94, "00000009", 8); /* Name size */ 268 ns = from_hex(e + 94, 8); 269 ns += PAD(ns + 2, 4); 270 assertEqualInt(0, from_hex(e + 102, 8)); /* check field */ 271 assertEqualMem(e + 110, "hardlink\0\0", 10); /* Name contents */ 272 assertEqualMem(e + 110 + ns, "1234567890\0\0", 12); /* File contents */ 273 e += 110 + ns + fs; 274 275 /* Last entry is end-of-archive marker. */ 276 assert(is_hex(e, 110)); 277 assertEqualMem(e + 0, "070701", 6); /* Magic */ 278 assertEqualMem(e + 8, "00000000", 8); /* ino */ 279 assertEqualMem(e + 14, "00000000", 8); /* mode */ 280 assertEqualMem(e + 22, "00000000", 8); /* uid */ 281 assertEqualMem(e + 30, "00000000", 8); /* gid */ 282 assertEqualMem(e + 38, "00000001", 8); /* nlink */ 283 assertEqualMem(e + 46, "00000000", 8); /* mtime */ 284 assertEqualMem(e + 54, "00000000", 8); /* size */ 285 assertEqualMem(e + 62, "00000000", 8); /* devmajor */ 286 assertEqualMem(e + 70, "00000000", 8); /* devminor */ 287 assertEqualMem(e + 78, "00000000", 8); /* rdevmajor */ 288 assertEqualMem(e + 86, "00000000", 8); /* rdevminor */ 289 assertEqualInt(11, from_hex(e + 94, 8)); /* name size */ 290 assertEqualMem(e + 102, "00000000", 8); /* check field */ 291 assertEqualMem(e + 110, "TRAILER!!!\0\0", 12); /* Name */ 292 293 free(p); 294 } 295