1 /* 2 * Copyright (C) Andrew Tridgell 1995-1999 3 * 4 * This software may be distributed either under the terms of the 5 * BSD-style license that accompanies tcpdump or the GNU GPL version 2 6 * or later 7 */ 8 9 #ifdef HAVE_CONFIG_H 10 #include "config.h" 11 #endif 12 13 #ifndef lint 14 static const char rcsid[] = 15 "@(#) $Header: /tcpdump/master/tcpdump/smbutil.c,v 1.18 2002/01/17 04:38:29 guy Exp $"; 16 #endif 17 18 #include <sys/param.h> 19 #include <sys/time.h> 20 #include <sys/types.h> 21 #include <sys/socket.h> 22 23 #include <netinet/in.h> 24 25 #include <ctype.h> 26 #include <stdio.h> 27 #include <stdlib.h> 28 #include <string.h> 29 #include <time.h> 30 31 #include "interface.h" 32 #include "extract.h" 33 #include "smb.h" 34 35 extern const u_char *startbuf; 36 37 /* 38 * interpret a 32 bit dos packed date/time to some parameters 39 */ 40 static void 41 interpret_dos_date(u_int32_t date, struct tm *tp) 42 { 43 u_int32_t p0, p1, p2, p3; 44 45 p0 = date & 0xFF; 46 p1 = ((date & 0xFF00) >> 8) & 0xFF; 47 p2 = ((date & 0xFF0000) >> 16) & 0xFF; 48 p3 = ((date & 0xFF000000) >> 24) & 0xFF; 49 50 tp->tm_sec = 2 * (p0 & 0x1F); 51 tp->tm_min = ((p0 >> 5) & 0xFF) + ((p1 & 0x7) << 3); 52 tp->tm_hour = (p1 >> 3) & 0xFF; 53 tp->tm_mday = (p2 & 0x1F); 54 tp->tm_mon = ((p2 >> 5) & 0xFF) + ((p3 & 0x1) << 3) - 1; 55 tp->tm_year = ((p3 >> 1) & 0xFF) + 80; 56 } 57 58 /* 59 * common portion: 60 * create a unix date from a dos date 61 */ 62 static time_t 63 int_unix_date(u_int32_t dos_date) 64 { 65 struct tm t; 66 67 if (dos_date == 0) 68 return(0); 69 70 interpret_dos_date(dos_date, &t); 71 t.tm_wday = 1; 72 t.tm_yday = 1; 73 t.tm_isdst = 0; 74 75 return (mktime(&t)); 76 } 77 78 /* 79 * create a unix date from a dos date 80 * in network byte order 81 */ 82 static time_t 83 make_unix_date(const u_char *date_ptr) 84 { 85 u_int32_t dos_date = 0; 86 87 dos_date = EXTRACT_LE_32BITS(date_ptr); 88 89 return int_unix_date(dos_date); 90 } 91 92 /* 93 * create a unix date from a dos date 94 * in halfword-swapped network byte order! 95 */ 96 static time_t 97 make_unix_date2(const u_char *date_ptr) 98 { 99 u_int32_t x, x2; 100 101 x = EXTRACT_LE_32BITS(date_ptr); 102 x2 = ((x & 0xFFFF) << 16) | ((x & 0xFFFF0000) >> 16); 103 return int_unix_date(x2); 104 } 105 106 /* 107 * interpret an 8 byte "filetime" structure to a time_t 108 * It's originally in "100ns units since jan 1st 1601" 109 */ 110 static time_t 111 interpret_long_date(const u_char *p) 112 { 113 double d; 114 time_t ret; 115 116 TCHECK2(p[4], 4); 117 118 /* this gives us seconds since jan 1st 1601 (approx) */ 119 d = (EXTRACT_LE_32BITS(p + 4) * 256.0 + p[3]) * (1.0e-7 * (1 << 24)); 120 121 /* now adjust by 369 years to make the secs since 1970 */ 122 d -= 369.0 * 365.25 * 24 * 60 * 60; 123 124 /* and a fudge factor as we got it wrong by a few days */ 125 d += (3 * 24 * 60 * 60 + 6 * 60 * 60 + 2); 126 127 if (d < 0) 128 return(0); 129 130 ret = (time_t)d; 131 132 return(ret); 133 trunc: 134 return(0); 135 } 136 137 /* 138 * interpret the weird netbios "name". Return the name type, or -1 if 139 * we run past the end of the buffer 140 */ 141 static int 142 name_interpret(const u_char *in, const u_char *maxbuf, char *out) 143 { 144 int ret; 145 int len; 146 147 if (in >= maxbuf) 148 return(-1); /* name goes past the end of the buffer */ 149 TCHECK2(*in, 1); 150 len = (*in++) / 2; 151 152 *out=0; 153 154 if (len > 30 || len < 1) 155 return(0); 156 157 while (len--) { 158 TCHECK2(*in, 2); 159 if (in + 1 >= maxbuf) 160 return(-1); /* name goes past the end of the buffer */ 161 if (in[0] < 'A' || in[0] > 'P' || in[1] < 'A' || in[1] > 'P') { 162 *out = 0; 163 return(0); 164 } 165 *out = ((in[0] - 'A') << 4) + (in[1] - 'A'); 166 in += 2; 167 out++; 168 } 169 *out = 0; 170 ret = out[-1]; 171 172 return(ret); 173 174 trunc: 175 return(-1); 176 } 177 178 /* 179 * find a pointer to a netbios name 180 */ 181 static const u_char * 182 name_ptr(const u_char *buf, int ofs, const u_char *maxbuf) 183 { 184 const u_char *p; 185 u_char c; 186 187 p = buf + ofs; 188 if (p >= maxbuf) 189 return(NULL); /* name goes past the end of the buffer */ 190 TCHECK2(*p, 1); 191 192 c = *p; 193 194 /* XXX - this should use the same code that the DNS dissector does */ 195 if ((c & 0xC0) == 0xC0) { 196 u_int16_t l = EXTRACT_16BITS(buf + ofs) & 0x3FFF; 197 if (l == 0) { 198 /* We have a pointer that points to itself. */ 199 return(NULL); 200 } 201 p = buf + l; 202 if (p >= maxbuf) 203 return(NULL); /* name goes past the end of the buffer */ 204 TCHECK2(*p, 1); 205 return(buf + l); 206 } else 207 return(buf + ofs); 208 209 trunc: 210 return(NULL); /* name goes past the end of the buffer */ 211 } 212 213 /* 214 * extract a netbios name from a buf 215 */ 216 static int 217 name_extract(const u_char *buf, int ofs, const u_char *maxbuf, char *name) 218 { 219 const u_char *p = name_ptr(buf, ofs, maxbuf); 220 if (p == NULL) 221 return(-1); /* error (probably name going past end of buffer) */ 222 name[0] = '\0'; 223 return(name_interpret(p, maxbuf, name)); 224 } 225 226 227 /* 228 * return the total storage length of a mangled name 229 */ 230 static int 231 name_len(const unsigned char *s, const unsigned char *maxbuf) 232 { 233 const unsigned char *s0 = s; 234 unsigned char c; 235 236 if (s >= maxbuf) 237 return(-1); /* name goes past the end of the buffer */ 238 TCHECK2(*s, 1); 239 c = *s; 240 if ((c & 0xC0) == 0xC0) 241 return(2); 242 while (*s) { 243 if (s >= maxbuf) 244 return(-1); /* name goes past the end of the buffer */ 245 TCHECK2(*s, 1); 246 s += (*s) + 1; 247 } 248 return(PTR_DIFF(s, s0) + 1); 249 250 trunc: 251 return(-1); /* name goes past the end of the buffer */ 252 } 253 254 static void 255 print_asc(const unsigned char *buf, int len) 256 { 257 int i; 258 for (i = 0; i < len; i++) 259 safeputchar(buf[i]); 260 } 261 262 static char * 263 name_type_str(int name_type) 264 { 265 char *f = NULL; 266 267 switch (name_type) { 268 case 0: f = "Workstation"; break; 269 case 0x03: f = "Client?"; break; 270 case 0x20: f = "Server"; break; 271 case 0x1d: f = "Master Browser"; break; 272 case 0x1b: f = "Domain Controller"; break; 273 case 0x1e: f = "Browser Server"; break; 274 default: f = "Unknown"; break; 275 } 276 return(f); 277 } 278 279 void 280 print_data(const unsigned char *buf, int len) 281 { 282 int i = 0; 283 284 if (len <= 0) 285 return; 286 printf("[%03X] ", i); 287 for (i = 0; i < len; /*nothing*/) { 288 printf("%02X ", buf[i] & 0xff); 289 i++; 290 if (i%8 == 0) 291 printf(" "); 292 if (i % 16 == 0) { 293 print_asc(&buf[i - 16], 8); 294 printf(" "); 295 print_asc(&buf[i - 8], 8); 296 printf("\n"); 297 if (i < len) 298 printf("[%03X] ", i); 299 } 300 } 301 if (i % 16) { 302 int n; 303 304 n = 16 - (i % 16); 305 printf(" "); 306 if (n>8) 307 printf(" "); 308 while (n--) 309 printf(" "); 310 311 n = SMBMIN(8, i % 16); 312 print_asc(&buf[i - (i % 16)], n); 313 printf(" "); 314 n = (i % 16) - n; 315 if (n > 0) 316 print_asc(&buf[i - n], n); 317 printf("\n"); 318 } 319 } 320 321 322 static void 323 write_bits(unsigned int val, char *fmt) 324 { 325 char *p = fmt; 326 int i = 0; 327 328 while ((p = strchr(fmt, '|'))) { 329 size_t l = PTR_DIFF(p, fmt); 330 if (l && (val & (1 << i))) 331 printf("%.*s ", (int)l, fmt); 332 fmt = p + 1; 333 i++; 334 } 335 } 336 337 /* convert a UCS2 string into iso-8859-1 string */ 338 static const char * 339 unistr(const char *s, int *len) 340 { 341 static char buf[1000]; 342 int l=0; 343 static int use_unicode = -1; 344 345 if (use_unicode == -1) { 346 char *p = getenv("USE_UNICODE"); 347 if (p && (atoi(p) == 1)) 348 use_unicode = 1; 349 else 350 use_unicode = 0; 351 } 352 353 /* maybe it isn't unicode - a cheap trick */ 354 if (!use_unicode || (s[0] && s[1])) { 355 *len = strlen(s) + 1; 356 return s; 357 } 358 359 *len = 0; 360 361 if (s[0] == 0 && s[1] != 0) { 362 s++; 363 *len = 1; 364 } 365 366 while (l < (sizeof(buf) - 1) && s[0] && s[1] == 0) { 367 buf[l] = s[0]; 368 s += 2; 369 l++; 370 *len += 2; 371 } 372 buf[l] = 0; 373 *len += 2; 374 return buf; 375 } 376 377 static const u_char * 378 smb_fdata1(const u_char *buf, const char *fmt, const u_char *maxbuf) 379 { 380 int reverse = 0; 381 char *attrib_fmt = "READONLY|HIDDEN|SYSTEM|VOLUME|DIR|ARCHIVE|"; 382 int len; 383 384 while (*fmt && buf<maxbuf) { 385 switch (*fmt) { 386 case 'a': 387 write_bits(buf[0], attrib_fmt); 388 buf++; 389 fmt++; 390 break; 391 392 case 'A': 393 write_bits(EXTRACT_LE_16BITS(buf), attrib_fmt); 394 buf += 2; 395 fmt++; 396 break; 397 398 case '{': 399 { 400 char bitfmt[128]; 401 char *p = strchr(++fmt, '}'); 402 int l = PTR_DIFF(p, fmt); 403 strncpy(bitfmt, fmt, l); 404 bitfmt[l] = 0; 405 fmt = p + 1; 406 write_bits(buf[0], bitfmt); 407 buf++; 408 break; 409 } 410 411 case 'P': 412 { 413 int l = atoi(fmt + 1); 414 buf += l; 415 fmt++; 416 while (isdigit(*fmt)) 417 fmt++; 418 break; 419 } 420 case 'r': 421 reverse = !reverse; 422 fmt++; 423 break; 424 case 'D': 425 { 426 unsigned int x; 427 428 TCHECK2(buf[0], 4); 429 x = reverse ? EXTRACT_32BITS(buf) : EXTRACT_LE_32BITS(buf); 430 printf("%d (0x%x)", x, x); 431 buf += 4; 432 fmt++; 433 break; 434 } 435 case 'L': 436 { 437 unsigned int x1, x2; 438 439 TCHECK2(buf[4], 4); 440 x1 = reverse ? EXTRACT_32BITS(buf) : 441 EXTRACT_LE_32BITS(buf); 442 x2 = reverse ? EXTRACT_32BITS(buf + 4) : 443 EXTRACT_LE_32BITS(buf + 4); 444 if (x2) 445 printf("0x%08x:%08x", x2, x1); 446 else 447 printf("%d (0x%08x%08x)", x1, x2, x1); 448 buf += 8; 449 fmt++; 450 break; 451 } 452 case 'd': 453 { 454 unsigned int x; 455 TCHECK2(buf[0], 2); 456 x = reverse ? EXTRACT_16BITS(buf) : 457 EXTRACT_LE_16BITS(buf); 458 printf("%d (0x%x)", x, x); 459 buf += 2; 460 fmt++; 461 break; 462 } 463 case 'W': 464 { 465 unsigned int x; 466 TCHECK2(buf[0], 4); 467 x = reverse ? EXTRACT_32BITS(buf) : 468 EXTRACT_LE_32BITS(buf); 469 printf("0x%X", x); 470 buf += 4; 471 fmt++; 472 break; 473 } 474 case 'w': 475 { 476 unsigned int x; 477 TCHECK2(buf[0], 2); 478 x = reverse ? EXTRACT_16BITS(buf) : 479 EXTRACT_LE_16BITS(buf); 480 printf("0x%X", x); 481 buf += 2; 482 fmt++; 483 break; 484 } 485 case 'B': 486 { 487 unsigned int x; 488 TCHECK(buf[0]); 489 x = buf[0]; 490 printf("0x%X", x); 491 buf += 1; 492 fmt++; 493 break; 494 } 495 case 'b': 496 { 497 unsigned int x; 498 TCHECK(buf[0]); 499 x = buf[0]; 500 printf("%u (0x%x)", x, x); 501 buf += 1; 502 fmt++; 503 break; 504 } 505 case 'S': 506 { 507 /*XXX unistr() */ 508 printf("%.*s", (int)PTR_DIFF(maxbuf, buf), unistr(buf, &len)); 509 buf += len; 510 fmt++; 511 break; 512 } 513 case 'Z': 514 { 515 if (*buf != 4 && *buf != 2) 516 printf("Error! ASCIIZ buffer of type %u (safety=%lu)\n", *buf, 517 (unsigned long)PTR_DIFF(maxbuf, buf)); 518 printf("%.*s", (int)PTR_DIFF(maxbuf, buf + 1), 519 unistr(buf + 1, &len)); 520 buf += len + 1; 521 fmt++; 522 break; 523 } 524 case 's': 525 { 526 int l = atoi(fmt + 1); 527 printf("%-*.*s", l, l, buf); 528 buf += l; 529 fmt++; 530 while (isdigit(*fmt)) 531 fmt++; 532 break; 533 } 534 case 'h': 535 { 536 int l = atoi(fmt + 1); 537 while (l--) 538 printf("%02x", *buf++); 539 fmt++; 540 while (isdigit(*fmt)) 541 fmt++; 542 break; 543 } 544 case 'n': 545 { 546 int t = atoi(fmt+1); 547 char nbuf[255]; 548 int name_type; 549 int len; 550 551 switch (t) { 552 case 1: 553 name_type = name_extract(startbuf, PTR_DIFF(buf, startbuf), 554 maxbuf, nbuf); 555 if (name_type < 0) 556 goto trunc; 557 len = name_len(buf, maxbuf); 558 if (len < 0) 559 goto trunc; 560 buf += len; 561 printf("%-15.15s NameType=0x%02X (%s)", nbuf, name_type, 562 name_type_str(name_type)); 563 break; 564 case 2: 565 name_type = buf[15]; 566 printf("%-15.15s NameType=0x%02X (%s)", buf, name_type, 567 name_type_str(name_type)); 568 buf += 16; 569 break; 570 } 571 fmt++; 572 while (isdigit(*fmt)) 573 fmt++; 574 break; 575 } 576 case 'T': 577 { 578 time_t t; 579 int x; 580 x = EXTRACT_LE_32BITS(buf); 581 582 switch (atoi(fmt + 1)) { 583 case 1: 584 if (x == 0 || x == -1 || x == 0xFFFFFFFF) 585 t = 0; 586 else 587 t = make_unix_date(buf); 588 buf += 4; 589 break; 590 case 2: 591 if (x == 0 || x == -1 || x == 0xFFFFFFFF) 592 t = 0; 593 else 594 t = make_unix_date2(buf); 595 buf += 4; 596 break; 597 case 3: 598 t = interpret_long_date(buf); 599 buf += 8; 600 break; 601 } 602 printf("%s", t ? asctime(localtime(&t)) : "NULL\n"); 603 fmt++; 604 while (isdigit(*fmt)) 605 fmt++; 606 break; 607 } 608 default: 609 putchar(*fmt); 610 fmt++; 611 break; 612 } 613 } 614 615 if (buf >= maxbuf && *fmt) 616 printf("END OF BUFFER\n"); 617 618 return(buf); 619 620 trunc: 621 printf("\n"); 622 printf("WARNING: Short packet. Try increasing the snap length\n"); 623 return(NULL); 624 } 625 626 const u_char * 627 smb_fdata(const u_char *buf, const char *fmt, const u_char *maxbuf) 628 { 629 static int depth = 0; 630 char s[128]; 631 char *p; 632 633 while (*fmt) { 634 switch (*fmt) { 635 case '*': 636 fmt++; 637 while (buf < maxbuf) { 638 const u_char *buf2; 639 depth++; 640 buf2 = smb_fdata(buf, fmt, maxbuf); 641 depth--; 642 if (buf2 == NULL) 643 return(NULL); 644 if (buf2 == buf) 645 return(buf); 646 buf = buf2; 647 } 648 return(buf); 649 650 case '|': 651 fmt++; 652 if (buf >= maxbuf) 653 return(buf); 654 break; 655 656 case '%': 657 fmt++; 658 buf = maxbuf; 659 break; 660 661 case '#': 662 fmt++; 663 return(buf); 664 break; 665 666 case '[': 667 fmt++; 668 if (buf >= maxbuf) 669 return(buf); 670 memset(s, 0, sizeof(s)); 671 p = strchr(fmt, ']'); 672 if (p - fmt + 1 > sizeof(s)) { 673 /* overrun */ 674 return(buf); 675 } 676 strncpy(s, fmt, p - fmt); 677 s[p - fmt] = '\0'; 678 fmt = p + 1; 679 buf = smb_fdata1(buf, s, maxbuf); 680 if (buf == NULL) 681 return(NULL); 682 break; 683 684 default: 685 putchar(*fmt); 686 fmt++; 687 fflush(stdout); 688 break; 689 } 690 } 691 if (!depth && buf < maxbuf) { 692 size_t len = PTR_DIFF(maxbuf, buf); 693 printf("Data: (%lu bytes)\n", (unsigned long)len); 694 print_data(buf, len); 695 return(buf + len); 696 } 697 return(buf); 698 } 699 700 typedef struct { 701 const char *name; 702 int code; 703 const char *message; 704 } err_code_struct; 705 706 /* Dos Error Messages */ 707 static err_code_struct dos_msgs[] = { 708 { "ERRbadfunc", 1, "Invalid function." }, 709 { "ERRbadfile", 2, "File not found." }, 710 { "ERRbadpath", 3, "Directory invalid." }, 711 { "ERRnofids", 4, "No file descriptors available" }, 712 { "ERRnoaccess", 5, "Access denied." }, 713 { "ERRbadfid", 6, "Invalid file handle." }, 714 { "ERRbadmcb", 7, "Memory control blocks destroyed." }, 715 { "ERRnomem", 8, "Insufficient server memory to perform the requested function." }, 716 { "ERRbadmem", 9, "Invalid memory block address." }, 717 { "ERRbadenv", 10, "Invalid environment." }, 718 { "ERRbadformat", 11, "Invalid format." }, 719 { "ERRbadaccess", 12, "Invalid open mode." }, 720 { "ERRbaddata", 13, "Invalid data." }, 721 { "ERR", 14, "reserved." }, 722 { "ERRbaddrive", 15, "Invalid drive specified." }, 723 { "ERRremcd", 16, "A Delete Directory request attempted to remove the server's current directory." }, 724 { "ERRdiffdevice", 17, "Not same device." }, 725 { "ERRnofiles", 18, "A File Search command can find no more files matching the specified criteria." }, 726 { "ERRbadshare", 32, "The sharing mode specified for an Open conflicts with existing FIDs on the file." }, 727 { "ERRlock", 33, "A Lock request conflicted with an existing lock or specified an invalid mode, or an Unlock requested attempted to remove a lock held by another process." }, 728 { "ERRfilexists", 80, "The file named in a Create Directory, Make New File or Link request already exists." }, 729 { "ERRbadpipe", 230, "Pipe invalid." }, 730 { "ERRpipebusy", 231, "All instances of the requested pipe are busy." }, 731 { "ERRpipeclosing", 232, "Pipe close in progress." }, 732 { "ERRnotconnected", 233, "No process on other end of pipe." }, 733 { "ERRmoredata", 234, "There is more data to be returned." }, 734 { NULL, -1, NULL } 735 }; 736 737 /* Server Error Messages */ 738 err_code_struct server_msgs[] = { 739 { "ERRerror", 1, "Non-specific error code." }, 740 { "ERRbadpw", 2, "Bad password - name/password pair in a Tree Connect or Session Setup are invalid." }, 741 { "ERRbadtype", 3, "reserved." }, 742 { "ERRaccess", 4, "The requester does not have the necessary access rights within the specified context for the requested function. The context is defined by the TID or the UID." }, 743 { "ERRinvnid", 5, "The tree ID (TID) specified in a command was invalid." }, 744 { "ERRinvnetname", 6, "Invalid network name in tree connect." }, 745 { "ERRinvdevice", 7, "Invalid device - printer request made to non-printer connection or non-printer request made to printer connection." }, 746 { "ERRqfull", 49, "Print queue full (files) -- returned by open print file." }, 747 { "ERRqtoobig", 50, "Print queue full -- no space." }, 748 { "ERRqeof", 51, "EOF on print queue dump." }, 749 { "ERRinvpfid", 52, "Invalid print file FID." }, 750 { "ERRsmbcmd", 64, "The server did not recognize the command received." }, 751 { "ERRsrverror", 65, "The server encountered an internal error, e.g., system file unavailable." }, 752 { "ERRfilespecs", 67, "The file handle (FID) and pathname parameters contained an invalid combination of values." }, 753 { "ERRreserved", 68, "reserved." }, 754 { "ERRbadpermits", 69, "The access permissions specified for a file or directory are not a valid combination. The server cannot set the requested attribute." }, 755 { "ERRreserved", 70, "reserved." }, 756 { "ERRsetattrmode", 71, "The attribute mode in the Set File Attribute request is invalid." }, 757 { "ERRpaused", 81, "Server is paused." }, 758 { "ERRmsgoff", 82, "Not receiving messages." }, 759 { "ERRnoroom", 83, "No room to buffer message." }, 760 { "ERRrmuns", 87, "Too many remote user names." }, 761 { "ERRtimeout", 88, "Operation timed out." }, 762 { "ERRnoresource", 89, "No resources currently available for request." }, 763 { "ERRtoomanyuids", 90, "Too many UIDs active on this session." }, 764 { "ERRbaduid", 91, "The UID is not known as a valid ID on this session." }, 765 { "ERRusempx", 250, "Temp unable to support Raw, use MPX mode." }, 766 { "ERRusestd", 251, "Temp unable to support Raw, use standard read/write." }, 767 { "ERRcontmpx", 252, "Continue in MPX mode." }, 768 { "ERRreserved", 253, "reserved." }, 769 { "ERRreserved", 254, "reserved." }, 770 { "ERRnosupport", 0xFFFF, "Function not supported." }, 771 { NULL, -1, NULL } 772 }; 773 774 /* Hard Error Messages */ 775 err_code_struct hard_msgs[] = { 776 { "ERRnowrite", 19, "Attempt to write on write-protected diskette." }, 777 { "ERRbadunit", 20, "Unknown unit." }, 778 { "ERRnotready", 21, "Drive not ready." }, 779 { "ERRbadcmd", 22, "Unknown command." }, 780 { "ERRdata", 23, "Data error (CRC)." }, 781 { "ERRbadreq", 24, "Bad request structure length." }, 782 { "ERRseek", 25 , "Seek error." }, 783 { "ERRbadmedia", 26, "Unknown media type." }, 784 { "ERRbadsector", 27, "Sector not found." }, 785 { "ERRnopaper", 28, "Printer out of paper." }, 786 { "ERRwrite", 29, "Write fault." }, 787 { "ERRread", 30, "Read fault." }, 788 { "ERRgeneral", 31, "General failure." }, 789 { "ERRbadshare", 32, "A open conflicts with an existing open." }, 790 { "ERRlock", 33, "A Lock request conflicted with an existing lock or specified an invalid mode, or an Unlock requested attempted to remove a lock held by another process." }, 791 { "ERRwrongdisk", 34, "The wrong disk was found in a drive." }, 792 { "ERRFCBUnavail", 35, "No FCBs are available to process request." }, 793 { "ERRsharebufexc", 36, "A sharing buffer has been exceeded." }, 794 { NULL, -1, NULL } 795 }; 796 797 static struct { 798 int code; 799 char *class; 800 err_code_struct *err_msgs; 801 } err_classes[] = { 802 { 0, "SUCCESS", NULL }, 803 { 0x01, "ERRDOS", dos_msgs }, 804 { 0x02, "ERRSRV", server_msgs }, 805 { 0x03, "ERRHRD", hard_msgs }, 806 { 0x04, "ERRXOS", NULL }, 807 { 0xE1, "ERRRMX1", NULL }, 808 { 0xE2, "ERRRMX2", NULL }, 809 { 0xE3, "ERRRMX3", NULL }, 810 { 0xFF, "ERRCMD", NULL }, 811 { -1, NULL, NULL } 812 }; 813 814 /* 815 * return a SMB error string from a SMB buffer 816 */ 817 char * 818 smb_errstr(int class, int num) 819 { 820 static char ret[128]; 821 int i, j; 822 823 ret[0] = 0; 824 825 for (i = 0; err_classes[i].class; i++) 826 if (err_classes[i].code == class) { 827 if (err_classes[i].err_msgs) { 828 err_code_struct *err = err_classes[i].err_msgs; 829 for (j = 0; err[j].name; j++) 830 if (num == err[j].code) { 831 snprintf(ret, sizeof(ret), "%s - %s (%s)", 832 err_classes[i].class, err[j].name, err[j].message); 833 return ret; 834 } 835 } 836 837 snprintf(ret, sizeof(ret), "%s - %d", err_classes[i].class, num); 838 return ret; 839 } 840 841 snprintf(ret, sizeof(ret), "ERROR: Unknown error (%d,%d)", class, num); 842 return(ret); 843 } 844