wok annotate syslinux/stuff/iso2exe/iso2exe.c @ rev 18789

Add opencv (again)
author Pascal Bellard <pascal.bellard@slitaz.org>
date Tue Jan 05 11:03:10 2016 +0100 (2016-01-05)
parents 1bbbc99b3df2
children f937073af512
rev   line source
pascal@17451 1 #ifdef __TURBOC__
pascal@17451 2 #include <io.h>
pascal@17451 3 #endif
pascal@14150 4 #include <sys/types.h>
pascal@14150 5 #include <fcntl.h>
pascal@14150 6 #include <stdio.h>
pascal@17451 7 #include <stdlib.h>
pascal@17451 8 #include <string.h>
pascal@14268 9 #ifdef WIN32
pascal@14268 10 #include <windows.h>
pascal@14268 11 #endif
pascal@18775 12 #ifdef __MSDOS__
pascal@18783 13 int ftruncate(int fd, long newsize)
pascal@18783 14 {
pascal@18783 15 if (lseek(fd, newsize, SEEK_SET) != -1L)
pascal@18783 16 return write(fd, NULL, 0);
pascal@18783 17 return -1;
pascal@18783 18 }
pascal@18775 19 #endif
pascal@18775 20 #ifdef __MINGW32__
pascal@18775 21 #define ftruncate chsize
pascal@18775 22 #endif
pascal@18775 23 #if !defined(__MSDOS__) && !defined(WIN32)
pascal@18775 24 #define O_BINARY 0
pascal@18775 25 #endif
pascal@17591 26 typedef unsigned char uint8_t;
pascal@17591 27 typedef unsigned long uint32_t;
pascal@14150 28 #include "iso2exe.h"
pascal@14150 29
pascal@18780 30 static int fd, forced, uninstall;
pascal@18780 31 static unsigned status = 1;
pascal@18775 32 static char *append, *initrd;
pascal@17489 33 static char tazlitoinfo[0x8000U - BOOTISOSZ];
pascal@14264 34 #define buffer tazlitoinfo
pascal@14264 35 #define BUFFERSZ 2048
pascal@17451 36 #define WORD(n) * (unsigned short *) (n)
pascal@17451 37 #define LONG(n) * (unsigned long *) (n)
pascal@14150 38
pascal@14150 39 static void readsector(unsigned long sector)
pascal@14150 40 {
pascal@14264 41 if (lseek(fd, sector * BUFFERSZ, SEEK_SET) == -1 ||
pascal@14268 42 read(fd, buffer, BUFFERSZ) != BUFFERSZ) {
pascal@17451 43 puts(bootiso+READSECTORERR);
pascal@14268 44 exit(1);
pascal@14268 45 }
pascal@14150 46 }
pascal@14150 47
pascal@18775 48 static unsigned long getcustomsector(void)
pascal@18775 49 {
pascal@18775 50 readsector(16UL);
pascal@18775 51 return 16UL + LONG(buffer + 80);
pascal@18775 52 }
pascal@18775 53
pascal@17810 54 static int skipmd5 = 0;
pascal@17591 55 #define ALIGN1
pascal@17591 56
pascal@17591 57 typedef struct {
pascal@17591 58 uint32_t l;
pascal@17591 59 uint32_t h;
pascal@17591 60 } uint64_t;
pascal@17591 61 static uint8_t wbuffer[64]; /* always correctly aligned for uint64_t */
pascal@17591 62 static uint64_t total64; /* must be directly before hash[] */
pascal@17591 63 static uint32_t hash[8]; /* 4 elements for md5, 5 for sha1, 8 for sha256 */
pascal@17591 64
pascal@17591 65 //#define rotl32(x,n) (((x) << (n)) | ((x) >> (32 - (n))))
pascal@17591 66 static uint32_t rotl32(uint32_t x, unsigned n)
pascal@17591 67 {
pascal@17591 68 return (x << n) | (x >> (32 - n));
pascal@17591 69 }
pascal@17591 70
pascal@17591 71 static void md5_process_block64(void);
pascal@17591 72
pascal@17591 73 /* Feed data through a temporary buffer.
pascal@17591 74 * The internal buffer remembers previous data until it has 64
pascal@17591 75 * bytes worth to pass on.
pascal@17591 76 */
pascal@17591 77 static void common64_hash(const void *buffer, size_t len)
pascal@17591 78 {
pascal@17591 79 unsigned bufpos = total64.l & 63;
pascal@17591 80
pascal@17591 81 total64.l += len; if (total64.l < len) total64.h++;
pascal@17591 82
pascal@17591 83 while (1) {
pascal@17591 84 unsigned remaining = 64 - bufpos;
pascal@17591 85 if (remaining > len)
pascal@17591 86 remaining = len;
pascal@17591 87 /* Copy data into aligned buffer */
pascal@17591 88 memcpy(wbuffer + bufpos, buffer, remaining);
pascal@17591 89 len -= remaining;
pascal@17591 90 buffer = (const char *)buffer + remaining;
pascal@17591 91 bufpos += remaining;
pascal@17591 92 /* clever way to do "if (bufpos != 64) break; ... ; bufpos = 0;" */
pascal@17591 93 bufpos -= 64;
pascal@17591 94 if (bufpos != 0)
pascal@17591 95 break;
pascal@17591 96 /* Buffer is filled up, process it */
pascal@17591 97 md5_process_block64();
pascal@17591 98 /*bufpos = 0; - already is */
pascal@17591 99 }
pascal@17591 100 }
pascal@17591 101
pascal@17591 102 /* Process the remaining bytes in the buffer */
pascal@17591 103 static void common64_end(void)
pascal@17591 104 {
pascal@17591 105 unsigned bufpos = total64.l & 63;
pascal@17591 106 /* Pad the buffer to the next 64-byte boundary with 0x80,0,0,0... */
pascal@17591 107 wbuffer[bufpos++] = 0x80;
pascal@17591 108
pascal@17591 109 /* This loop iterates either once or twice, no more, no less */
pascal@17591 110 while (1) {
pascal@17591 111 unsigned remaining = 64 - bufpos;
pascal@17591 112 memset(wbuffer + bufpos, 0, remaining);
pascal@17591 113 /* Do we have enough space for the length count? */
pascal@17591 114 if (remaining >= 8) {
pascal@17591 115 /* Store the 64-bit counter of bits in the buffer */
pascal@17591 116 //uint64_t t = total64 << 3;
pascal@17591 117 uint32_t *t = (uint32_t *) (&wbuffer[64 - 8]);
pascal@17591 118 /* wbuffer is suitably aligned for this */
pascal@17591 119 //*(uint64_t *) (&wbuffer[64 - 8]) = t;
pascal@17591 120 t[0] = total64.l << 3;
pascal@17591 121 t[1] = (total64.h << 3) | (total64.l >> 29);
pascal@17591 122 }
pascal@17591 123 md5_process_block64();
pascal@17591 124 if (remaining >= 8)
pascal@17591 125 break;
pascal@17591 126 bufpos = 0;
pascal@17591 127 }
pascal@17591 128 }
pascal@17591 129
pascal@17591 130 /* These are the four functions used in the four steps of the MD5 algorithm
pascal@17591 131 * and defined in the RFC 1321. The first function is a little bit optimized
pascal@17591 132 * (as found in Colin Plumbs public domain implementation).
pascal@17591 133 * #define FF(b, c, d) ((b & c) | (~b & d))
pascal@17591 134 */
pascal@17591 135 #undef FF
pascal@17591 136 #undef FG
pascal@17591 137 #undef FH
pascal@17591 138 #undef FI
pascal@17591 139 #define FF(b, c, d) (d ^ (b & (c ^ d)))
pascal@17591 140 #define FG(b, c, d) FF(d, b, c)
pascal@17591 141 #define FH(b, c, d) (b ^ c ^ d)
pascal@17591 142 #define FI(b, c, d) (c ^ (b | ~d))
pascal@17591 143
pascal@17591 144 /* Hash a single block, 64 bytes long and 4-byte aligned */
pascal@17591 145 static void md5_process_block64(void)
pascal@17591 146 {
pascal@17591 147 uint32_t *words = (void*) wbuffer;
pascal@17591 148 uint32_t A = hash[0];
pascal@17591 149 uint32_t B = hash[1];
pascal@17591 150 uint32_t C = hash[2];
pascal@17591 151 uint32_t D = hash[3];
pascal@17591 152
pascal@17591 153 const uint32_t *pc;
pascal@17591 154 const char *pp;
pascal@17591 155 const char *ps;
pascal@17591 156 int i;
pascal@17591 157 uint32_t temp;
pascal@17591 158
pascal@17591 159
pascal@17591 160 pc = C_array;
pascal@17591 161 pp = P_array;
pascal@17591 162 ps = S_array - 4;
pascal@17591 163
pascal@17591 164 for (i = 0; i < 64; i++) {
pascal@17591 165 if ((i & 0x0f) == 0)
pascal@17591 166 ps += 4;
pascal@17591 167 temp = A;
pascal@17591 168 switch (i >> 4) {
pascal@17591 169 case 0:
pascal@17591 170 temp += FF(B, C, D);
pascal@17591 171 break;
pascal@17591 172 case 1:
pascal@17591 173 temp += FG(B, C, D);
pascal@17591 174 break;
pascal@17591 175 case 2:
pascal@17591 176 temp += FH(B, C, D);
pascal@17591 177 break;
pascal@17591 178 case 3:
pascal@17591 179 temp += FI(B, C, D);
pascal@17591 180 }
pascal@17591 181 temp += words[(int) (*pp++)] + *pc++;
pascal@17591 182 temp = rotl32(temp, ps[i & 3]);
pascal@17591 183 temp += B;
pascal@17591 184 A = D;
pascal@17591 185 D = C;
pascal@17591 186 C = B;
pascal@17591 187 B = temp;
pascal@17591 188 }
pascal@17591 189 /* Add checksum to the starting values */
pascal@17591 190 hash[0] += A;
pascal@17591 191 hash[1] += B;
pascal@17591 192 hash[2] += C;
pascal@17591 193 hash[3] += D;
pascal@17591 194
pascal@17591 195 }
pascal@17591 196 #undef FF
pascal@17591 197 #undef FG
pascal@17591 198 #undef FH
pascal@17591 199 #undef FI
pascal@17591 200
pascal@17591 201 /* Initialize structure containing state of computation.
pascal@17591 202 * (RFC 1321, 3.3: Step 3)
pascal@17591 203 */
pascal@17591 204 static void md5_begin(void)
pascal@17591 205 {
pascal@17591 206 hash[0] = 0x67452301;
pascal@17591 207 hash[1] = 0xefcdab89;
pascal@17591 208 hash[2] = 0x98badcfe;
pascal@17591 209 hash[3] = 0x10325476;
pascal@17591 210 total64.l = total64.h = 0;
pascal@17591 211 }
pascal@17591 212
pascal@17591 213 /* Used also for sha1 and sha256 */
pascal@17591 214 #define md5_hash common64_hash
pascal@17591 215
pascal@17591 216 /* Process the remaining bytes in the buffer and put result from CTX
pascal@17591 217 * in first 16 bytes following RESBUF. The result is always in little
pascal@17591 218 * endian byte order, so that a byte-wise output yields to the wanted
pascal@17591 219 * ASCII representation of the message digest.
pascal@17591 220 */
pascal@17591 221 #define md5_end common64_end
pascal@17591 222
pascal@18775 223 static int writenhash(void *buffer, size_t len)
pascal@18775 224 {
pascal@18775 225 md5_hash(buffer, len);
pascal@18775 226 return write(fd, buffer, len);
pascal@18775 227 }
pascal@18775 228
pascal@17591 229 static void md5sum(void)
pascal@17591 230 {
pascal@17591 231 unsigned long sectors = 0;
pascal@17591 232 int count;
pascal@17591 233
pascal@17591 234 lseek(fd, 32768UL, SEEK_SET);
pascal@17591 235
pascal@17591 236 md5_begin();
pascal@17591 237 while ((count = read(fd, buffer, BUFFERSZ)) > 0) {
pascal@17591 238 if (sectors == 0)
pascal@17591 239 sectors = LONG(buffer + 80);
pascal@17591 240 md5_hash(buffer, count);
pascal@17591 241 if (--sectors == 0)
pascal@17591 242 break;
pascal@17591 243 }
pascal@17591 244
pascal@17591 245 if (count < 0)
pascal@17591 246 return;
pascal@17591 247
pascal@17591 248 md5_end();
pascal@17591 249
pascal@17591 250 lseek(fd, 32752UL, SEEK_SET);
pascal@17591 251 write(fd, hash, 16);
pascal@17591 252 memcpy(bootiso + BOOTISOSZ - 16, hash, 16);
pascal@17591 253 }
pascal@17591 254
pascal@17591 255 static unsigned chksum(unsigned start, unsigned stop)
pascal@17591 256 {
pascal@17591 257 unsigned i, n = 0;
pascal@17591 258
pascal@17591 259 lseek(fd, 0UL /* (unsigned long) (start / BUFFERSZ) */, SEEK_SET);
pascal@17591 260 while (1) {
pascal@17591 261 if (read(fd, buffer, BUFFERSZ) != BUFFERSZ)
pascal@17591 262 return 0;
pascal@17591 263 for (i = start % BUFFERSZ; i < BUFFERSZ; i += 2, start += 2) {
pascal@17591 264 if (start >= stop)
pascal@17591 265 return - n;
pascal@17591 266 n += WORD(buffer + i);
pascal@17591 267 }
pascal@17591 268 }
pascal@17591 269 }
pascal@17591 270
pascal@18783 271 static unsigned clear_config(unsigned i)
pascal@18779 272 {
pascal@18779 273 for (;i % 512; i++) {
pascal@18779 274 /* clear custom config */
pascal@18779 275 write(fd, buffer + 2048, 2048);
pascal@18779 276 }
pascal@18783 277 return i;
pascal@18779 278 }
pascal@18779 279
pascal@17451 280 static unsigned install(char *filename)
pascal@14150 281 {
pascal@14150 282 #define heads 64
pascal@14150 283 #define sectors 32
pascal@17489 284 #define partition (446+16)
pascal@17451 285 #define trksz (512UL * heads * sectors)
pascal@14150 286 unsigned long size, catalog, lba;
pascal@14261 287 int cylinders, i, j, isohybrid;
pascal@14150 288 unsigned n;
pascal@18775 289 #ifdef __MSDOS__
pascal@14268 290 for (bootiso = (char *) install;
pascal@17451 291 bootiso[0] != 'M' || bootiso[1] != 'Z' || bootiso[2] != '\xEB';
pascal@17451 292 bootiso++) if (bootiso < (char *) install) {
pascal@17451 293 bootiso = "No bootiso data";
pascal@17451 294 return 0;
pascal@17451 295 }
pascal@14150 296 #endif
pascal@14268 297 if (!filename)
pascal@17451 298 return USAGE;
pascal@14268 299 fd = open(filename,O_RDWR|O_BINARY);
pascal@14150 300 if (fd == -1)
pascal@17451 301 return OPENERR;
pascal@14150 302
pascal@17591 303 if (uninstall) {
pascal@17591 304 struct { char check[sizeof(tazlitoinfo) - BUFFERSZ - 1024]; };
pascal@17591 305 readsector(0UL);
pascal@18775 306 n = BUFFERSZ; /* fill with zeros */
pascal@17591 307 if (WORD(buffer) == 23117) {
pascal@18775 308 /* restore isolinux hybrid boot */
pascal@17810 309 readsector((unsigned long) buffer[417]);
pascal@18775 310 n = 0; /* fill with hybrid boot */
pascal@17591 311 }
pascal@17591 312 lseek(fd, 0UL, SEEK_SET);
pascal@17591 313 for (i = 0; i < 32; i++, n = BUFFERSZ) {
pascal@18789 314 write(fd, buffer + n, BUFFERSZ);
pascal@17591 315 }
pascal@18775 316 i = getcustomsector();
pascal@18775 317 lseek(fd, i * 2048UL, SEEK_SET);
pascal@18783 318 i = clear_config(i);
pascal@18775 319 ftruncate(fd, i * 2048UL);
pascal@17591 320 close(fd);
pascal@17591 321 status = 0;
pascal@17591 322 return UNINSTALLMSG;
pascal@17591 323 }
pascal@17591 324
pascal@18781 325 readsector(0UL);
pascal@18781 326 if (buffer[0] == 'M' && buffer[1] == 'Z') {
pascal@18781 327 if (forced == 0)
pascal@18781 328 return ALREADYEXEERR;
pascal@18781 329 n = (buffer[417] + 1) * 512;
pascal@18781 330 i = 0x8000 - 1024;
pascal@18781 331 if (i > sizeof(tazlitoinfo))
pascal@18781 332 i = sizeof(tazlitoinfo);
pascal@18781 333 if (lseek(fd, n, SEEK_SET) == -1 ||
pascal@18781 334 read(fd, tazlitoinfo, sizeof(tazlitoinfo)) != sizeof(tazlitoinfo) ||
pascal@18781 335 lseek(fd, 1024UL, SEEK_SET) == -1 ||
pascal@18781 336 write(fd, tazlitoinfo, i) != i) {
pascal@18781 337 puts(bootiso+READSECTORERR);
pascal@18781 338 exit(1);
pascal@18781 339 }
pascal@18781 340 }
pascal@18781 341
pascal@18780 342 do {
pascal@18780 343 /* Install hybridiso boot sector */
pascal@18780 344 readsector(17UL);
pascal@18780 345 status = ELTORITOERR;
pascal@18780 346 if (strncmp(buffer+7, bootiso+ELTORITOERR+ELTORITOOFS, 23))
pascal@18780 347 break;
pascal@18780 348 catalog = LONG(buffer + 71);
pascal@18780 349 readsector(catalog);
pascal@18780 350 status = CATALOGERR;
pascal@18780 351 if (LONG(buffer) != 1 || LONG(buffer + 30) != 0x88AA55UL)
pascal@18780 352 break;
pascal@18780 353 lba = LONG(buffer + 40);
pascal@18780 354 readsector(lba);
pascal@18780 355 status = HYBRIDERR;
pascal@18780 356 if (LONG(buffer + 64) != 1886961915UL)
pascal@18780 357 break;
pascal@18780 358 isohybrid = bootiso[417] * 512;
pascal@18780 359 LONG(bootiso + isohybrid + 432) = lba * 4;
pascal@18780 360 LONG(bootiso + isohybrid + 440) = rand();
pascal@18780 361 LONG(bootiso + isohybrid + partition) = 0x10080UL;
pascal@18780 362 WORD(bootiso + isohybrid + 510) = 0xAA55U;
pascal@18780 363 #if 0
pascal@18780 364 size = lseek(fd, 0UL, SEEK_END);
pascal@18780 365 size += 0x000FFFFFUL;
pascal@18780 366 size &= 0xFFF00000UL;
pascal@18780 367 #else
pascal@18780 368 for (size = 0x000FFFFFUL; /* 1M - 1 */
pascal@18780 369 read(fd, tazlitoinfo, 1024) == 1024;
pascal@18780 370 size += 1024);
pascal@18780 371 size &= 0xFFF00000UL; /* round */
pascal@18780 372 #endif
pascal@18780 373 cylinders = (size >> 20) - 1;
pascal@18780 374 bootiso[isohybrid + partition + 4] = 23; /* "Windows hidden IFS" */
pascal@18780 375 bootiso[isohybrid + partition + 5] = heads - 1;
pascal@18780 376 bootiso[isohybrid + partition + 6] = ((cylinders & 0x300) >> 2) + sectors;
pascal@18780 377 bootiso[isohybrid + partition + 7] = cylinders & 0xFF;
pascal@18780 378 LONG(bootiso + isohybrid + partition + 8) = 0;
pascal@18780 379 LONG(bootiso + isohybrid + partition + 12) = (size >> 9);
pascal@18780 380
pascal@18780 381 /* Copy the partition table */
pascal@18780 382 memcpy(bootiso + 0x1BE, bootiso + isohybrid + 0x1BE, 66);
pascal@18780 383 status = 0;
pascal@18780 384 } while (0);
pascal@18780 385
pascal@18780 386 if (forced == 0 && status)
pascal@18780 387 return status;
pascal@18780 388
pascal@18780 389 status = 1;
pascal@18775 390 if (append || initrd) {
pascal@18775 391 unsigned long pos = getcustomsector() * 2048UL;
pascal@18775 392 lseek(fd, pos, SEEK_SET);
pascal@18779 393 clear_config(pos);
pascal@18779 394 lseek(fd, pos, SEEK_SET);
pascal@18775 395 write(fd, "#!boot 00000000000000000000000000000000\n", 40);
pascal@18789 396 n = pos + 40;
pascal@18775 397 md5_begin();
pascal@18775 398 if (append) {
pascal@18789 399 i = strlen(append);
pascal@18775 400 writenhash("append=", 7);
pascal@18789 401 writenhash(append, i);
pascal@18775 402 writenhash("\n", 1);
pascal@18789 403 n += i + 8;
pascal@18775 404 }
pascal@18775 405 if (initrd) {
pascal@18775 406 char number[16], *p;
pascal@18775 407 unsigned long end, x;
pascal@18775 408 int data = open(initrd,O_RDONLY|O_BINARY);
pascal@18775 409 if (data == -1)
pascal@18775 410 return OPENINITRDERR;
pascal@18775 411 for (end = 0;; end += i) {
pascal@18775 412 i = read(data, buffer, BUFFERSZ);
pascal@18775 413 if (i <= 0)
pascal@18775 414 break;
pascal@18775 415 }
pascal@18775 416 p = number + sizeof(number) -1;
pascal@18775 417 x = end; *p-- = '\n';
pascal@18775 418 do {
pascal@18775 419 *p-- = '0' + (x % 10);
pascal@18775 420 x /= 10;
pascal@18775 421 } while (x);
pascal@18775 422 if (*++p != '0') {
pascal@18775 423 writenhash("initrd:", 7);
pascal@18775 424 i = number - p + sizeof(number);
pascal@18775 425 writenhash(p, i);
pascal@18789 426 n += i + 7;
pascal@18775 427 lseek(data, 0UL, SEEK_SET);
pascal@18775 428 do {
pascal@18775 429 i = read(data, buffer, BUFFERSZ);
pascal@18775 430 if (i <= 0)
pascal@18775 431 break;
pascal@18775 432 if (i > end)
pascal@18775 433 i = end;
pascal@18775 434 writenhash(buffer, i);
pascal@18789 435 n += i;
pascal@18775 436 end -= i;
pascal@18775 437 } while (end != 0);
pascal@18775 438 }
pascal@18775 439 close(data);
pascal@18775 440 }
pascal@18789 441 while (n & 0x000FFFFFUL) {
pascal@18789 442 unsigned long i = 0x100000UL - (n & 0x000FFFFFUL);
pascal@18789 443 if (i > BUFFERSZ)
pascal@18789 444 i = BUFFERSZ;
pascal@18789 445 i = write(fd, buffer + BUFFERSZ, i);
pascal@18789 446 if (i <= 0)
pascal@18789 447 break;
pascal@18789 448 n += i;
pascal@18789 449 }
pascal@18789 450 ftruncate(fd, n);
pascal@18775 451 md5_end();
pascal@18775 452 {
pascal@18779 453 static char h[] = "0123456789abcdef";
pascal@18775 454 char string[32], *s = string + 30;
pascal@18775 455 unsigned char *p = (void *) hash;
pascal@18775 456
pascal@18775 457 lseek(fd, 7 + pos, SEEK_SET);
pascal@18775 458 for (p += 15; s >= string; p--, s -= 2) {
pascal@18775 459 s[1] = h[ *p & 15 ];
pascal@18775 460 s[0] = h[ *p >> 4 ];
pascal@18775 461 }
pascal@18775 462 write(fd, string, 32);
pascal@18775 463 }
pascal@18775 464 }
pascal@18775 465
pascal@17451 466 /* Install iso2exe boot sector */
pascal@17810 467 LONG(bootiso + 440) = time(NULL);
pascal@14150 468
pascal@17451 469 /* read tazlito flavor data */
pascal@14261 470 lseek(fd, 1024UL, SEEK_SET);
pascal@14261 471 read(fd, tazlitoinfo, sizeof(tazlitoinfo));
pascal@14261 472
pascal@17451 473 /* Update iso image */
pascal@17810 474 n = (bootiso[417] + 1) * 512;
pascal@14151 475 lseek(fd, 0UL, SEEK_SET);
pascal@17451 476 write(fd, bootiso, n); /* EXE/PE + isohybrid mbr */
pascal@17489 477 write(fd, tazlitoinfo, sizeof(tazlitoinfo));
pascal@17451 478 write(fd, bootiso + n, BOOTISOSZ - n); /* COM + rootfs + EXE/DOS */
pascal@14150 479
pascal@17810 480 /* Compute the boot checksums */
pascal@17810 481 if (!skipmd5) {
pascal@17591 482 puts(bootiso + MD5MSG);
pascal@17591 483 md5sum();
pascal@17591 484 lseek(fd, 0UL, SEEK_SET);
pascal@17591 485 write(fd, bootiso, 512);
pascal@17810 486 n = WORD(bootiso + 2) - 512*(WORD(bootiso + 4) - 1);
pascal@17810 487 WORD(bootiso + 18) = chksum(0, (unsigned short) n) - 1;
pascal@17591 488 }
pascal@17810 489 lseek(fd, 0UL, SEEK_SET);
pascal@17810 490 write(fd, bootiso, 512);
pascal@14150 491 close(fd);
pascal@14268 492 status = 0;
pascal@17451 493 return SUCCESSMSG;
pascal@14150 494 }
pascal@14268 495
pascal@14268 496 int main(int argc, char *argv[])
pascal@14268 497 {
pascal@17591 498 int i;
pascal@18775 499 char *s;
pascal@18775 500
pascal@18775 501 while (argc > 2) {
pascal@18775 502 s = argv[1];
pascal@18775 503 if (*s != '-') break;
pascal@18775 504 while (*s == '-') s++;
pascal@18775 505 switch (*s | 0x20) {
pascal@18775 506 case 'a' : append=argv[2]; break;
pascal@18775 507 case 'i' : initrd=argv[2]; break;
pascal@18775 508 }
pascal@18775 509 argv += 2;
pascal@18775 510 argc -= 2;
pascal@18775 511 }
pascal@17591 512 for (i = 2; i < argc; i++) {
pascal@17591 513 char *s = argv[i];
pascal@17591 514 while ((unsigned)(*s - '-') <= ('/' - '-')) s++;
pascal@17591 515 switch (*s | 0x20) {
pascal@17591 516 case 'f' : forced++; break;
pascal@17810 517 case 'q' : skipmd5++; break;
pascal@17591 518 case 'u' : uninstall++; break;
pascal@17591 519 }
pascal@17591 520 }
pascal@17451 521 puts(bootiso + install(argv[1]));
pascal@16055 522 if (status > 1)
pascal@17451 523 puts(bootiso + FORCEMSG);
pascal@14268 524 #ifdef WIN32
pascal@14268 525 Sleep(2000);
pascal@14268 526 #endif
pascal@14268 527 return status;
pascal@14268 528 }