wok-6.x: 87f71f65d8e8 syslinux/stuff/extra/md5sum.c

wok-6.x view syslinux/stuff/extra/md5sum.c @ rev 13552

syslinux: update c32box/linux (again)

author	Pascal Bellard <pascal.bellard@slitaz.org>
date	Fri Nov 02 10:54:05 2012 +0100 (2012-11-02)
parents	22b309e18635
children	3f48e3a93cd7

line source

1 /*

2 * Based on busybox code.

3 *

4 * Compute MD5 checksum of strings according to the

5 * definition of MD5 in RFC 1321 from April 1992.

6 *

7 * Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.

8 *

15 *

16 * Licensed under GPLv2 or later

17 */

19 #include <stdio.h>

20 #include <stdlib.h>

21 #include <string.h>

22 #include <unistd.h>

23 #include <fcntl.h>

24 #include <console.h>

25 #include <com32.h>

27 #define ALIGN1

29 static uint8_t wbuffer[64]; /* always correctly aligned for uint64_t */

30 static uint64_t total64; /* must be directly before hash[] */

31 static uint32_t hash[8]; /* 4 elements for md5, 5 for sha1, 8 for sha256 */

33 /* Emit a string of hex representation of bytes */

34 static char* bin2hex(char *p)

35 {

36 static const char bb_hexdigits_upcase[] ALIGN1 = "0123456789abcdef";

37 int count = 16;

38 const char *cp = (const char *) hash;

39 while (count) {

40 unsigned char c = *cp++;

41 /* put lowercase hex digits */

42 *p++ = bb_hexdigits_upcase[c >> 4];

43 *p++ = bb_hexdigits_upcase[c & 0xf];

44 count--;

45 }

46 return p;

47 }

49 //#define rotl32(x,n) (((x) << (n)) | ((x) >> (32 - (n))))

50 static uint32_t rotl32(uint32_t x, unsigned n)

51 {

52 return (x << n) | (x >> (32 - n));

53 }

55 static void md5_process_block64(void);

57 /* Feed data through a temporary buffer.

58 * The internal buffer remembers previous data until it has 64

59 * bytes worth to pass on.

60 */

61 static void common64_hash(const void *buffer, size_t len)

62 {

63 unsigned bufpos = total64 & 63;

65 total64 += len;

67 while (1) {

68 unsigned remaining = 64 - bufpos;

69 if (remaining > len)

70 remaining = len;

71 /* Copy data into aligned buffer */

72 memcpy(wbuffer + bufpos, buffer, remaining);

73 len -= remaining;

74 buffer = (const char *)buffer + remaining;

75 bufpos += remaining;

76 /* clever way to do "if (bufpos != 64) break; ... ; bufpos = 0;" */

77 bufpos -= 64;

78 if (bufpos != 0)

79 break;

80 /* Buffer is filled up, process it */

81 md5_process_block64();

82 /*bufpos = 0; - already is */

83 }

84 }

86 /* Process the remaining bytes in the buffer */

87 static void common64_end(void)

88 {

89 unsigned bufpos = total64 & 63;

90 /* Pad the buffer to the next 64-byte boundary with 0x80,0,0,0... */

91 wbuffer[bufpos++] = 0x80;

93 /* This loop iterates either once or twice, no more, no less */

94 while (1) {

95 unsigned remaining = 64 - bufpos;

96 memset(wbuffer + bufpos, 0, remaining);

97 /* Do we have enough space for the length count? */

98 if (remaining >= 8) {

99 /* Store the 64-bit counter of bits in the buffer */

100 uint64_t t = total64 << 3;

101 /* wbuffer is suitably aligned for this */

102 *(uint64_t *) (&wbuffer[64 - 8]) = t;

103 }

104 md5_process_block64();

105 if (remaining >= 8)

106 break;

107 bufpos = 0;

108 }

109 }

110

111 /* These are the four functions used in the four steps of the MD5 algorithm

112 * and defined in the RFC 1321. The first function is a little bit optimized

113 * (as found in Colin Plumbs public domain implementation).

114 * #define FF(b, c, d) ((b & c) | (~b & d))

115 */

116 #undef FF

117 #undef FG

118 #undef FH

119 #undef FI

120 #define FF(b, c, d) (d ^ (b & (c ^ d)))

121 #define FG(b, c, d) FF(d, b, c)

122 #define FH(b, c, d) (b ^ c ^ d)

123 #define FI(b, c, d) (c ^ (b | ~d))

124

125 /* Hash a single block, 64 bytes long and 4-byte aligned */

126 static void md5_process_block64(void)

127 {

128 /* Before we start, one word to the strange constants.

129 They are defined in RFC 1321 as

130 T[i] = (int)(4294967296.0 * fabs(sin(i))), i=1..64

131 */

132 static const uint32_t C_array[] = {

133 /* round 1 */

134 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,

135 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,

136 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,

137 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,

138 /* round 2 */

139 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,

140 0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,

141 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,

142 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,

143 /* round 3 */

144 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,

145 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,

146 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x4881d05,

147 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,

148 /* round 4 */

149 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,

150 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,

151 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,

152 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391

153 };

154 static const char P_array[] ALIGN1 = {

155 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, /* 1 */

156 1, 6, 11, 0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, /* 2 */

157 5, 8, 11, 14, 1, 4, 7, 10, 13, 0, 3, 6, 9, 12, 15, 2, /* 3 */

158 0, 7, 14, 5, 12, 3, 10, 1, 8, 15, 6, 13, 4, 11, 2, 9 /* 4 */

159 };

160 uint32_t *words = (void*) wbuffer;

161 uint32_t A = hash[0];

162 uint32_t B = hash[1];

163 uint32_t C = hash[2];

164 uint32_t D = hash[3];

165

166 static const char S_array[] ALIGN1 = {

167 7, 12, 17, 22,

168 5, 9, 14, 20,

169 4, 11, 16, 23,

170 6, 10, 15, 21

171 };

172 const uint32_t *pc;

173 const char *pp;

174 const char *ps;

175 int i;

176 uint32_t temp;

177

178

179 pc = C_array;

180 pp = P_array;

181 ps = S_array - 4;

182

183 for (i = 0; i < 64; i++) {

184 if ((i & 0x0f) == 0)

185 ps += 4;

186 temp = A;

187 switch (i >> 4) {

188 case 0:

189 temp += FF(B, C, D);

190 break;

191 case 1:

192 temp += FG(B, C, D);

193 break;

194 case 2:

195 temp += FH(B, C, D);

196 break;

197 case 3:

198 temp += FI(B, C, D);

199 }

200 temp += words[(int) (*pp++)] + *pc++;

201 temp = rotl32(temp, ps[i & 3]);

202 temp += B;

203 A = D;

204 D = C;

205 C = B;

206 B = temp;

207 }

208 /* Add checksum to the starting values */

209 hash[0] += A;

210 hash[1] += B;

211 hash[2] += C;

212 hash[3] += D;

213

214 }

215 #undef FF

216 #undef FG

217 #undef FH

218 #undef FI

219

220 /* Initialize structure containing state of computation.

221 * (RFC 1321, 3.3: Step 3)

222 */

223 static void md5_begin(void)

224 {

225 hash[0] = 0x67452301;

226 hash[1] = 0xefcdab89;

227 hash[2] = 0x98badcfe;

228 hash[3] = 0x10325476;

229 total64 = 0;

230 }

231

232 /* Used also for sha1 and sha256 */

233 #define md5_hash common64_hash

234

235 /* Process the remaining bytes in the buffer and put result from CTX

236 * in first 16 bytes following RESBUF. The result is always in little

237 * endian byte order, so that a byte-wise output yields to the wanted

238 * ASCII representation of the message digest.

239 */

240 #define md5_end common64_end

241

242 /*

245 *

246 * Licensed under GPLv2 or later, see file LICENSE in this source tree.

247 */

248

249 static char *unrockridge(const char *name)

250 {

251 static char buffer[256];

252 int i = 0, j = 8;

253 while (*name && i < 255) {

254 char c = *name++;

255 //if (c == '\\') c = '/';

256 if (c == '.') {

257 for (j = i; --j >= 0 && buffer[j] != '/';)

258 if (buffer[j] == '.') buffer[j] = '_';

259 if (i - j > 9) i = j + 9;

260 j = i + 4;

261 }

262 else if (c == '/') j = i + 9;

263 else if (i >= j) continue;

264 else if (c >= 'a' && c <= 'z') c += 'A' - 'a';

265 else if ((c < 'A' || c > 'Z') && (c < '0' || c > '9')) c = '_';

266 buffer[i++] = c;

267 }

268 buffer[i] = 0;

269 return buffer;

270 }

271

272 static uint8_t *hash_file(const char *filename)

273 {

274 int src_fd, count;

275 uint8_t in_buf[4096];

276 static uint8_t hash_value[16*2+1];

277

278 src_fd = open(filename, O_RDONLY);

279 if (src_fd < 0) {

280 src_fd = open(unrockridge(filename), O_RDONLY);

281 }

282 if (src_fd < 0) {

283 return NULL;

284 }

285

286 md5_begin();

287 while ((count = read(src_fd, in_buf, 4096)) > 0) {

288 md5_hash(in_buf, count);

289 }

290

291 close(src_fd);

292

293 if (count)

294 return NULL;

295

296 md5_end();

297 bin2hex((char *)hash_value);

298

299 return hash_value;

300 }

301

302 static int main_say(int argc, char **argv)

303 {

304 int i;

305 for (i = 1; i < argc; i++) {

306 printf("%s ",argv[i]);

307 }

308 sleep(5);

309 return 0;

310 }

311

312 static int main_md5sum(int argc, char **argv)

313 {

314 int files = 0, tested = 0, good = 0;

315 static char clear_eol[] = " ";

316

317 (void) argc;

318 /* -c implied */

319 argv++;

320 do {

321 FILE *fp;

322 char eol, *line, buffer[4096];

323 fp = fopen(*argv,"r");

324 if (fp == NULL)

325 fp = fopen(unrockridge(*argv),"r");

326

327 while ((line = fgets(buffer,sizeof(buffer),fp)) != NULL) {

328 uint8_t *hash_value;

329 char *filename_ptr, *status;

330 int len = strlen(line);

331

332 if (line[0] < '0')

333 continue;

334 if (line[len-1] == '\n')

335 line[len-1] = 0;

336 filename_ptr = strstr(line, " ");

337 /* handle format for binary checksums */

338 if (filename_ptr == NULL) {

339 filename_ptr = strstr(line, " *");

340 }

341 if (filename_ptr == NULL) {

342 continue;

343 }

344 *filename_ptr = '\0';

345 *++filename_ptr = '/';

346 if (filename_ptr[1] == '/')

347 filename_ptr++;

348

349 files++;

350 status = "NOT CHECKED";

351 eol = '\n';

352 hash_value = hash_file(filename_ptr);

353 if (hash_value) {

354 tested++;

355 status = "BROKEN";

356 if (!strcmp((char*)hash_value, line)) {

357 good++;

358 status = "OK";

359 eol = ' ';

360 }

361 }

362 printf("\r%s: %s%s%c", filename_ptr, status, clear_eol, eol);

363 }

364 fclose(fp);

365 } while (*++argv);

366 printf("\r%d files OK, %d broken, %d not checked.%s\n",

367 good, tested - good, files - tested, clear_eol);

368 sleep(5);

369 return 0;

370 }

371

372 /*

373 * ifmem.c

374 *

375 * Run one command if the memory is large enought, and another if it isn't.

376 *

377 * Usage:

378 *

379 * label boot_kernel

380 * kernel ifmem.c

381 * append size_in_KB boot_large [size_in_KB boot_medium] boot_small

382 *

383 * label boot_large

384 * kernel vmlinuz_large_memory

385 * append ...

386 *

387 * label boot_small

388 * kernel vmlinuz_small_memory

389 * append ...

390 */

391

392 #include <inttypes.h>

393 #include <alloca.h>

394 #include <syslinux/boot.h>

395

396 struct e820_data {

397 uint64_t base;

398 uint64_t len;

399 uint32_t type;

400 uint32_t extattr;

401 } __attribute__((packed));

402

403 // Get memory size in Kb

404 static unsigned long memory_size(void)

405 {

406 uint64_t bytes = 0;

407 static com32sys_t ireg, oreg;

408 static struct e820_data ed;

409

410 ireg.eax.w[0] = 0xe820;

411 ireg.edx.l = 0x534d4150;

412 ireg.ecx.l = sizeof(struct e820_data);

413 ireg.edi.w[0] = OFFS(__com32.cs_bounce);

414 ireg.es = SEG(__com32.cs_bounce);

415

416 ed.extattr = 1;

417

418 do {

419 memcpy(__com32.cs_bounce, &ed, sizeof ed);

420

421 __intcall(0x15, &ireg, &oreg);

422 if (oreg.eflags.l & EFLAGS_CF ||

423 oreg.eax.l != 0x534d4150 ||

424 oreg.ecx.l < 20)

425 break;

426

427 memcpy(&ed, __com32.cs_bounce, sizeof ed);

428

429 if (ed.type == 1)

430 bytes += ed.len;

431

432 ireg.ebx.l = oreg.ebx.l;

433 } while (ireg.ebx.l);

434

435 if (!bytes) {

436 memset(&ireg, 0, sizeof ireg);

437 ireg.eax.w[0] = 0x8800;

438 __intcall(0x15, &ireg, &oreg);

439 return ireg.eax.w[0];

440 }

441 return bytes >> 10;

442 }

443

444 static void usage(const char *msg)

445 {

446 fprintf(stderr,"\n%s\n.",msg);

447 sleep(5);

448 exit(1);

449 }

450

451 static int main_ifmem(int argc, char *argv[])

452 {

453 int i;

454 unsigned long ram_size;

455

456 if (argc < 4) {

457 usage("Usage: ifmem.c32 size_KB boot_large_memory boot_small_memory");

458 }

459

460 // find target according to ram size

461 ram_size = memory_size();

462 printf("Total memory found %luK.\n",ram_size);

463 ram_size += (1 << 10); // add 1M to round boundaries...

464

465 i = 1;

466 do {

467 char *s = argv[i];

468 char *p = s;

469 unsigned long scale = 1;

470

471 while (*p >= '0' && *p <= '9') p++;

472 switch (*p | 0x20) {

473 case 'g': scale <<= 10;

474 case 'm': scale <<= 10;

475 default : *p = 0; break;

476 }

477 i++; // seek to label

478 if (ram_size >= scale * strtoul(s, NULL, 0)) break;

479 i++; // next size or default label

480 } while (i + 1 < argc);

481

482 if (i != argc) syslinux_run_command(argv[i]);

483 else syslinux_run_default();

484 return -1;

485 }

486

487 #include <syslinux/reboot.h>

488

489 static int main_reboot(int argc, char *argv[])

490 {

491 int warm = 0;

492 int i;

493

494 for (i = 1; i < argc; i++) {

495 if (!strcmp(argv[i], "-w") || !strcmp(argv[i], "--warm"))

496 warm = 1;

497 }

498

499 syslinux_reboot(warm);

500 }

501

502 /* APM poweroff module.

504 */

505

506 static int main_poweroff(int argc, char *argv[])

507 {

508 static com32sys_t ireg, oreg;

509 static char notsupported[] ="APM 1.1+ not supported";

510 unsigned i;

511 static struct {

512 unsigned short ax;

513 unsigned short bx;

514 unsigned short cx;

515 char *msg;

516 } inst[] = {

517 { 0x5300, // APM Installation Check (00h)

518 0, // APM BIOS (0000h)

519 0, "APM not present" },

520 { 0x5301, // APM Real Mode Interface Connect (01h)

521 0, // APM BIOS (0000h)

522 0, "APM RM interface connect failed" },

523 { 0x530E, // APM Driver Version (0Eh)

524 0, // APM BIOS (0000h)

525 0x0101, // APM Driver Version version 1.1

526 notsupported },

527 { 0x5307, // Set Power State (07h)

528 1, // All devices power managed by the APM

529 3, // Power state off

530 "Power off failed" }

531 };

532

533 (void) argc;

534 (void) argv;

535 for (i = 0; i < sizeof(inst)/sizeof(inst[0]); i++) {

536 char *msg = inst[i].msg;

537

538 ireg.eax.w[0] = inst[i].ax;

539 ireg.ebx.w[0] = inst[i].bx;

540 ireg.ecx.w[0] = inst[i].cx;

541 __intcall(0x15, &ireg, &oreg);

542 if ((oreg.eflags.l & EFLAGS_CF) == 0) {

543 switch (inst[i].ax) {

544 case 0x5300 :

545 if (oreg.ebx.w[0] != 0x504D /* 'PM' */) break;

546 msg = "Power management disabled";

547 if (oreg.ecx.w[0] & 8) break; // bit 3 APM BIOS Power Management disabled

548 case 0x530E :

549 msg = notsupported;

550 if (oreg.eax.w[0] < 0x101) break;

551 default : continue;

552 }

553 }

554 printf("%s.\n", msg);

555 return 1;

556 }

557 return 0;

558 }

559

560 /*

562 */

563

564 #include <syslinux/keyboard.h>

565 #include <syslinux/loadfile.h>

566 #include <syslinux/adv.h>

567

568 static void setlinuxarg(int slot, int argc, char *argv[])

569 {

570 for (; argc--; argv++)

571 syslinux_setadv(slot++, strlen(*argv), *argv);

572 }

573

574 static int main_kbdmap(int argc, char *argv[])

575 {

576 const struct syslinux_keyboard_map *const kmap = syslinux_keyboard_map();

577 size_t map_size, size, i;

578 char *kbdmap, *msg;

579

580 if (argc < 3)

581 usage("Usage: kbdmap archive.cpio mapfile [cmdline]..");

582

583 // Save extra cmdline arguments

584 setlinuxarg(1, argc - 3, argv + 3);

585

586 msg="Append to kernel parameters: ";

587 for (i = 3; i < (size_t) argc; i++, msg = " ")

588 printf("%s%s",msg,argv[i]);

589 printf("\nNow select 'Start SliTaz' in top menu.");

590 printf("\n\n Hit RETURN to continue.\n");

591

592 msg = "Load error";

593 if (kmap->version != 1 ||

594 loadfile(argv[1], (void **) &kbdmap, &map_size) ||

595 strncmp(kbdmap, "07070", 5))

596 goto kbdmap_error;

597

598 // search for mapfile in cpio archive

599 for (i = 0; i < map_size;) {

600 int len, j;

601 char *name;

602

603 for (j = size = 0; j < 8; j++) {

604 char c = kbdmap[54 + i + j] - '0';

605 if (c > 9) c += '0' + 10 - 'A';

606 size <<= 4;

607 size += c;

608 }

609 i += 110;

610 name = kbdmap + i;

611 len = 1 + strlen(name);

612 i += len;

613 i += ((-i)&3);

614 if (!strcmp(name, argv[2])) {

615 kbdmap += i;

616 break;

617 }

618 i += size + ((-size)&3);

619 }

620

621 msg = "Filename error";

622 if (i >= map_size)

623 goto kbdmap_error;

624

625 msg = "Format error";

626 if (size != kmap->length)

627 goto kbdmap_error;

628

629 memcpy(kmap->map, kbdmap, size);

630

631 return 0;

632

633 kbdmap_error:

634 printf("%s.\n",msg);

635 return 1;

636 }

637

638 /* ----------------------------------------------------------------------- *

639 *

642 *

643 * Permission is hereby granted, free of charge, to any person

644 * obtaining a copy of this software and associated documentation

645 * files (the "Software"), to deal in the Software without

646 * restriction, including without limitation the rights to use,

647 * copy, modify, merge, publish, distribute, sublicense, and/or

648 * sell copies of the Software, and to permit persons to whom

649 * the Software is furnished to do so, subject to the following

650 * conditions:

651 *

652 * The above copyright notice and this permission notice shall

653 * be included in all copies or substantial portions of the Software.

654 *

655 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

656 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

657 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

658 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

659 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

660 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

661 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

662 * OTHER DEALINGS IN THE SOFTWARE.

663 *

664 * ----------------------------------------------------------------------- */

665

666 /*

667 * linux.c

668 *

669 * Sample module to load Linux kernels. This module can also create

670 * a file out of the DHCP return data if running under PXELINUX.

671 *

672 * If -dhcpinfo is specified, the DHCP info is written into the file

673 * /dhcpinfo.dat in the initramfs.

674 *

675 * Usage: linux.c32 [-dhcpinfo] kernel arguments...

676 */

677

678 #include <errno.h>

679 #include <stdbool.h>

680 #include <stdlib.h>

681 #include <stdio.h>

682 #include <string.h>

683 #include <console.h>

684 #include <syslinux/loadfile.h>

685 #include <syslinux/linux.h>

686 #include <syslinux/pxe.h>

687

688 const char *progname = "linux.c32";

689

690 /* Find the last instance of a particular command line argument

691 (which should include the final =; do not use for boolean arguments) */

692 static char *find_argument(char **argv, const char *argument)

693 {

694 int la = strlen(argument);

695 char **arg;

696 char *ptr = NULL;

697

698 for (arg = argv; *arg; arg++) {

699 if (!memcmp(*arg, argument, la))

700 ptr = *arg + la;

701 }

702

703 return ptr;

704 }

705

706 /* Search for a boolean argument; return its position, or 0 if not present */

707 static int find_boolean(char **argv, const char *argument)

708 {

709 char **arg;

710

711 for (arg = argv; *arg; arg++) {

712 if (!strcmp(*arg, argument))

713 return (arg - argv) + 1;

714 }

715

716 return 0;

717 }

718

719 /* Stitch together the command line from a set of argv's */

720 static char *make_cmdline(char **argv)

721 {

722 char **arg;

723 size_t bytes, size;

724 char *cmdline, *p;

725 int i;

726

727 bytes = 1; /* Just in case we have a zero-entry cmdline */

728 for (arg = argv; *arg; arg++) {

729 bytes += strlen(*arg) + 1;

730 }

731 for (i = 0; i < 255; i++)

732 if (syslinux_getadv(i, &size))

733 bytes += ++size;

734

735 p = cmdline = malloc(bytes);

736 if (!cmdline)

737 return NULL;

738

739 for (arg = argv; *arg; arg++) {

740 int len = strlen(*arg);

741 memcpy(p, *arg, len);

742 p[len] = ' ';

743 p += len + 1;

744 }

745

746 for (i = 0; i < 255; i++) {

747 const void *q = syslinux_getadv(i, &size);

748 if (q == NULL) continue;

749 memcpy(p, q, size);

750 p[size] = ' ';

751 p += size + 1;

752 }

753

754 if (p > cmdline)

755 p--; /* Remove the last space */

756 *p = '\0';

757

758 return cmdline;

759 }

760

761 static int setup_data_file(struct setup_data *setup_data,

762 uint32_t type, const char *filename,

763 bool opt_quiet)

764 {

765 if (!opt_quiet)

766 printf("Loading %s... ", filename);

767

768 if (setup_data_load(setup_data, type, filename)) {

769 if (opt_quiet)

770 printf("Loading %s ", filename);

771 printf("failed\n");

772 return -1;

773 }

774

775 if (!opt_quiet)

776 printf("ok\n");

777

778 return 0;

779 }

780

781 static int main_linux(int argc, char *argv[])

782 {

783 const char *kernel_name;

784 struct initramfs *initramfs;

785 struct setup_data *setup_data;

786 char *cmdline;

787 char *boot_image;

788 void *kernel_data;

789 size_t kernel_len;

790 bool opt_dhcpinfo = false;

791 bool opt_quiet = false;

792 void *dhcpdata;

793 size_t dhcplen;

794 char **argp, **argl, *arg, *p;

795

796 openconsole(&dev_null_r, &dev_stdcon_w);

797

798 (void)argc;

799 argp = argv + 1;

800

801 while ((arg = *argp) && arg[0] == '-') {

802 if (!strcmp("-dhcpinfo", arg)) {

803 opt_dhcpinfo = true;

804 } else {

805 fprintf(stderr, "%s: unknown option: %s\n", progname, arg);

806 return 1;

807 }

808 argp++;

809 }

810

811 if (!arg) {

812 fprintf(stderr, "%s: missing kernel name\n", progname);

813 return 1;

814 }

815

816 kernel_name = arg;

817

818 errno = 0;

819 boot_image = malloc(strlen(kernel_name) + 12);

820 if (!boot_image) {

821 fprintf(stderr, "Error allocating BOOT_IMAGE string: ");

822 goto bail;

823 }

824 strcpy(boot_image, "BOOT_IMAGE=");

825 strcpy(boot_image + 11, kernel_name);

826 /* argp now points to the kernel name, and the command line follows.

827 Overwrite the kernel name with the BOOT_IMAGE= argument, and thus

828 we have the final argument. */

829 *argp = boot_image;

830

831 if (find_boolean(argp, "quiet"))

832 opt_quiet = true;

833

834 if (!opt_quiet)

835 printf("Loading %s... ", kernel_name);

836 errno = 0;

837 if (loadfile(kernel_name, &kernel_data, &kernel_len)) {

838 if (opt_quiet)

839 printf("Loading %s ", kernel_name);

840 printf("failed: ");

841 goto bail;

842 }

843 if (!opt_quiet)

844 printf("ok\n");

845

846 errno = 0;

847 cmdline = make_cmdline(argp);

848 if (!cmdline) {

849 fprintf(stderr, "make_cmdline() failed: ");

850 goto bail;

851 }

852

853 /* Initialize the initramfs chain */

854 errno = 0;

855 initramfs = initramfs_init();

856 if (!initramfs) {

857 fprintf(stderr, "initramfs_init() failed: ");

858 goto bail;

859 }

860

861 if ((arg = find_argument(argp, "initrd="))) {

862 do {

863 p = strchr(arg, ',');

864 if (p)

865 *p = '\0';

866

867 if (!opt_quiet)

868 printf("Loading %s... ", arg);

869 errno = 0;

870 if (initramfs_load_archive(initramfs, arg)) {

871 if (opt_quiet)

872 printf("Loading %s ", kernel_name);

873 printf("failed: ");

874 goto bail;

875 }

876 if (!opt_quiet)

877 printf("ok\n");

878

879 if (p)

880 *p++ = ',';

881 } while ((arg = p));

882 }

883

884 /* Append the DHCP info */

885 if (opt_dhcpinfo &&

886 !pxe_get_cached_info(PXENV_PACKET_TYPE_DHCP_ACK, &dhcpdata, &dhcplen)) {

887 errno = 0;

888 if (initramfs_add_file(initramfs, dhcpdata, dhcplen, dhcplen,

889 "/dhcpinfo.dat", 0, 0755)) {

890 fprintf(stderr, "Unable to add DHCP info: ");

891 goto bail;

892 }

893 }

894

895 /* Handle dtb and eventually other setup data */

896 setup_data = setup_data_init();

897 if (!setup_data)

898 goto bail;

899

900 for (argl = argv; (arg = *argl); argl++) {

901 if (!memcmp(arg, "dtb=", 4)) {

902 if (setup_data_file(setup_data, SETUP_DTB, arg+4, opt_quiet))

903 goto bail;

904 } else if (!memcmp(arg, "blob.", 5)) {

905 uint32_t type;

906 char *ep;

907

908 type = strtoul(arg + 5, &ep, 10);

909 if (ep[0] != '=' || !ep[1])

910 continue;

911

912 if (!type)

913 continue;

914

915 if (setup_data_file(setup_data, type, ep+1, opt_quiet))

916 goto bail;

917 }

918 }

919

920 /* This should not return... */

921 errno = 0;

922 syslinux_boot_linux(kernel_data, kernel_len, initramfs,

923 setup_data, cmdline);

924 fprintf(stderr, "syslinux_boot_linux() failed: ");

925

926 bail:

927 switch(errno) {

928 case ENOENT:

929 fprintf(stderr, "File not found\n");

930 break;

931 case ENOMEM:

932 fprintf(stderr, "Out of memory\n");

933 break;

934 default:

935 fprintf(stderr, "Error %d\n", errno);

936 break;

937 }

938 fprintf(stderr, "%s: Boot aborted!\n", progname);

939 return 1;

940 }

941

942 static int main_setarg(int argc, char *argv[])

943 {

944 if (argc < 3) {

945 usage("Usage: setarg.c32 argnum [args]...");

946 }

947 setlinuxarg(atoi(argv[1]), argc - 2, argv + 2);

948 return 0;

949 }

950

951 static int main_ifarg(int argc, char *argv[])

952 {

953 int i;

954 size_t size;

955

956 if (argc < 3) {

957 usage("Usage: ifarg.c32 [argnum labelifset]... labelifnoneset");

958 }

959 for (i = 1; i < argc - 1; i += 2) {

960 int n = atoi(argv[i]);

961 if (n == -1) {

962 for (n = 0; n < 255; n++) {

963 if (syslinux_getadv(n, &size))

964 goto found;

965 }

966 continue;

967 }

968 else if (! syslinux_getadv(n, &size)) continue;

969 found:

970 syslinux_run_command(argv[i+1]);

971 }

972 if (i != argc) syslinux_run_command(argv[i]);

973 else syslinux_run_default();

974 return 0;

975 }

976

977 /* ----------------------------------------------------------------------- *

978 *

980 *

981 * This program is free software; you can redistribute it and/or modify

982 * it under the terms of the GNU General Public License as published by

983 * the Free Software Foundation, Inc., 53 Temple Place Ste 330,

984 * Boston MA 02111-1307, USA; either version 2 of the License, or

985 * (at your option) any later version; incorporated herein by reference.

986 *

987 * ----------------------------------------------------------------------- */

988

989 static int main_listarg(int argc, char *argv[])

990 {

991 uint8_t *p, *ep;

992 size_t s = syslinux_adv_size();

993 char buf[256];

994

995 (void) argc;

996 (void) argv;

997 p = syslinux_adv_ptr();

998

999 printf("args size: %zd bytes at %p\n", s, p);

1000

1001 ep = p + s; /* Need at least opcode+len */

1002 while (p < ep - 1 && *p) {

1003 int t = *p++;

1004 int l = *p++;

1005

1006 if (p + l > ep)

1007 break;

1008

1009 memcpy(buf, p, l);

1010 buf[l] = '\0';

1011

1012 printf("arg %3d: \"%s\"\n", t, buf);

1013

1014 p += l;

1015 }

1016 sleep(5);

1017 return 0;

1018 }

1019

1020 int main(int argc, char *argv[])

1021 {

1022 unsigned i;

1023 static struct {

1024 char *name;

1025 int (*main)(int argc, char *argv[]);

1026 } bin[] = {

1027 { "say", main_say },

1028 { "md5sum", main_md5sum },

1029 { "ifmem", main_ifmem },

1030 { "reboot", main_reboot },

1031 { "poweroff", main_poweroff },

1032 { "kbdmap", main_kbdmap },

1033 { "linux", main_linux },

1034 { "setarg", main_setarg },

1035 { "ifarg", main_ifarg },

1036 { "listarg", main_listarg }

1037 };

1038

1039 openconsole(&dev_null_r, &dev_stdcon_w);

1040

1041 if (strstr(argv[0], "c32box")) { argc--; argv++; }

1042 for (i = 0; i < sizeof(bin)/sizeof(bin[0]); i++)

1043 if (strstr(argv[0], bin[i].name))

1044 return bin[i].main(argc, argv);

1045 printf("No %s in c32box modules\n", argv[0]);

1046 for (i = 0; i < sizeof(bin)/sizeof(bin[0]); i++)

1047 printf(" %s \n",bin[i].name);

1048 return 1;

1049 }

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wok-6.x view syslinux/stuff/extra/md5sum.c @ rev 13552