The Tcpdump Group git mirrors - tcpdump/blob - print-smb.c

   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[] _U_ =
  15      "@(#) $Header: /tcpdump/master/tcpdump/print-smb.c,v 1.47 2007-12-09 00:30:47 guy Exp $";
  16 #endif
  17
  18 #include <tcpdump-stdinc.h>
  19
  20 #include <stdio.h>
  21 #include <string.h>
  22
  23 #include "interface.h"
  24 #include "extract.h"
  25 #include "smb.h"
  26
  27 static const char tstr[] = "[|SMB]";
  28
  29 static int request = 0;
  30 static int unicodestr = 0;
  31
  32 const u_char *startbuf = NULL;
  33
  34 struct smbdescript {
  35     const char *req_f1;
  36     const char *req_f2;
  37     const char *rep_f1;
  38     const char *rep_f2;
  39     void (*fn)(const u_char *, const u_char *, const u_char *, const u_char *);
  40 };
  41
  42 struct smbdescriptint {
  43     const char *req_f1;
  44     const char *req_f2;
  45     const char *rep_f1;
  46     const char *rep_f2;
  47     void (*fn)(const u_char *, const u_char *, int, int);
  48 };
  49
  50 struct smbfns
  51 {
  52     int id;
  53     const char *name;
  54     int flags;
  55     struct smbdescript descript;
  56 };
  57
  58 struct smbfnsint
  59 {
  60     int id;
  61     const char *name;
  62     int flags;
  63     struct smbdescriptint descript;
  64 };
  65
  66 #define DEFDESCRIPT     { NULL, NULL, NULL, NULL, NULL }
  67
  68 #define FLG_CHAIN       (1 << 0)
  69
  70 static const struct smbfns *
  71 smbfind(int id, const struct smbfns *list)
  72 {
  73     int sindex;
  74
  75     for (sindex = 0; list[sindex].name; sindex++)
  76         if (list[sindex].id == id)
  77             return(&list[sindex]);
  78
  79     return(&list[0]);
  80 }
  81
  82 static const struct smbfnsint *
  83 smbfindint(int id, const struct smbfnsint *list)
  84 {
  85     int sindex;
  86
  87     for (sindex = 0; list[sindex].name; sindex++)
  88         if (list[sindex].id == id)
  89             return(&list[sindex]);
  90
  91     return(&list[0]);
  92 }
  93
  94 static void
  95 trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
  96 {
  97     const char *fmt;
  98
  99     if (request)
 100         fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP4]\nFile=[S]\n";
 101     else
 102         fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n";
 103
 104     smb_fdata(param, fmt, param + pcnt, unicodestr);
 105     if (dcnt) {
 106         printf("data:\n");
 107         print_data(data, dcnt);
 108     }
 109 }
 110
 111 static void
 112 trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
 113 {
 114     static int level = 0;
 115     const char *fmt="";
 116
 117     if (request) {
 118         TCHECK2(*param, 2);
 119         level = EXTRACT_LE_16BITS(param);
 120         fmt = "InfoLevel=[d]\n";
 121         smb_fdata(param, fmt, param + pcnt, unicodestr);
 122     } else {
 123         switch (level) {
 124         case 1:
 125             fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n";
 126             break;
 127         case 2:
 128             fmt = "CreationTime=[T2]VolNameLength=[lb]\nVolumeLabel=[c]\n";
 129             break;
 130         case 0x105:
 131             fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[lD]\nVolume=[C]\n";
 132             break;
 133         default:
 134             fmt = "UnknownLevel\n";
 135             break;
 136         }
 137         smb_fdata(data, fmt, data + dcnt, unicodestr);
 138     }
 139     if (dcnt) {
 140         printf("data:\n");
 141         print_data(data, dcnt);
 142     }
 143     return;
 144 trunc:
 145     printf("%s", tstr);
 146     return;
 147 }
 148
 149 static const struct smbfnsint trans2_fns[] = {
 150     { 0, "TRANSACT2_OPEN", 0,
 151         { "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[D]\nRes=([w, w, w, w, w])\nPath=[S]",
 152           NULL,
 153           "Handle=[d]\nAttrib=[A]\nTime=[T2]\nSize=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[d]\n|EALength=[d]\n",
 154           NULL, NULL }},
 155     { 1, "TRANSACT2_FINDFIRST", 0,
 156         { NULL, NULL, NULL, NULL, trans2_findfirst }},
 157     { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT },
 158     { 3, "TRANSACT2_QFSINFO", 0,
 159         { NULL, NULL, NULL, NULL, trans2_qfsinfo }},
 160     { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT },
 161     { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT },
 162     { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT },
 163     { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT },
 164     { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT },
 165     { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT },
 166     { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT },
 167     { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT },
 168     { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT },
 169     { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT },
 170     { -1, NULL, 0, DEFDESCRIPT }
 171 };
 172
 173
 174 static void
 175 print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf)
 176 {
 177     u_int bcc;
 178     static const struct smbfnsint *fn = &trans2_fns[0];
 179     const u_char *data, *param;
 180     const u_char *w = words + 1;
 181     const char *f1 = NULL, *f2 = NULL;
 182     int pcnt, dcnt;
 183
 184     TCHECK(words[0]);
 185     if (request) {
 186         TCHECK2(w[14 * 2], 2);
 187         pcnt = EXTRACT_LE_16BITS(w + 9 * 2);
 188         param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
 189         dcnt = EXTRACT_LE_16BITS(w + 11 * 2);
 190         data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
 191         fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
 192     } else {
 193         if (words[0] == 0) {
 194             printf("%s\n", fn->name);
 195             printf("Trans2Interim\n");
 196             return;
 197         }
 198         TCHECK2(w[7 * 2], 2);
 199         pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
 200         param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
 201         dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
 202         data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
 203     }
 204
 205     printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);
 206
 207     if (request) {
 208         if (words[0] == 8) {
 209             smb_fdata(words + 1,
 210                 "Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
 211                 maxbuf, unicodestr);
 212             return;
 213         } else {
 214             smb_fdata(words + 1,
 215                 "TotParam=[d]\nTotData=[d]\nMaxParam=[d]\nMaxData=[d]\nMaxSetup=[b][P1]\nFlags=[w]\nTimeOut=[D]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nDataCnt=[d]\nDataOff=[d]\nSetupCnt=[b][P1]\n",
 216                 words + 1 + 14 * 2, unicodestr);
 217         }
 218         f1 = fn->descript.req_f1;
 219         f2 = fn->descript.req_f2;
 220     } else {
 221         smb_fdata(words + 1,
 222             "TotParam=[d]\nTotData=[d]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nParamDisp[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nSetupCnt=[b][P1]\n",
 223             words + 1 + 10 * 2, unicodestr);
 224         f1 = fn->descript.rep_f1;
 225         f2 = fn->descript.rep_f2;
 226     }
 227
 228     TCHECK2(*dat, 2);
 229     bcc = EXTRACT_LE_16BITS(dat);
 230     printf("smb_bcc=%u\n", bcc);
 231     if (fn->descript.fn)
 232         (*fn->descript.fn)(param, data, pcnt, dcnt);
 233     else {
 234         smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt, unicodestr);
 235         smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt, unicodestr);
 236     }
 237     return;
 238 trunc:
 239     printf("%s", tstr);
 240     return;
 241 }
 242
 243
 244 static void
 245 print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
 246 {
 247     const u_char *maxbuf = data + datalen;
 248     int command;
 249
 250     TCHECK(data[0]);
 251     command = data[0];
 252
 253     smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen, unicodestr);
 254
 255     switch (command) {
 256     case 0xF:
 257         data = smb_fdata(data,
 258             "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 259             maxbuf, unicodestr);
 260         break;
 261
 262     case 0x1:
 263         data = smb_fdata(data,
 264             "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 265             maxbuf, unicodestr);
 266         break;
 267
 268     case 0x2:
 269         data = smb_fdata(data,
 270             "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
 271             maxbuf, unicodestr);
 272         break;
 273
 274     case 0xc:
 275         data = smb_fdata(data,
 276             "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n",
 277             maxbuf, unicodestr);
 278         break;
 279
 280     case 0x8:
 281         data = smb_fdata(data,
 282             "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
 283             maxbuf, unicodestr);
 284         break;
 285
 286     case 0xb:
 287         data = smb_fdata(data,
 288             "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
 289             maxbuf, unicodestr);
 290         break;
 291
 292     case 0x9:
 293         data = smb_fdata(data,
 294             "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken=[W]\n",
 295             maxbuf, unicodestr);
 296         break;
 297
 298     case 0xa:
 299         data = smb_fdata(data,
 300             "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken=[W]\n*Name=[S]\n",
 301             maxbuf, unicodestr);
 302         break;
 303
 304     case 0xd:
 305         data = smb_fdata(data,
 306             "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
 307             maxbuf, unicodestr);
 308         break;
 309
 310     case 0xe:
 311         data = smb_fdata(data,
 312             "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf, unicodestr);
 313         break;
 314
 315     default:
 316         data = smb_fdata(data, "Unknown Browser Frame ", maxbuf, unicodestr);
 317         break;
 318     }
 319     return;
 320 trunc:
 321     printf("%s", tstr);
 322     return;
 323 }
 324
 325
 326 static void
 327 print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
 328 {
 329     if (paramlen)
 330         smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen,
 331             unicodestr);
 332     if (datalen)
 333         smb_fdata(data, "IPC ", data + datalen, unicodestr);
 334 }
 335
 336
 337 static void
 338 print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
 339 {
 340     u_int bcc;
 341     const char *f1, *f2, *f3, *f4;
 342     const u_char *data, *param;
 343     const u_char *w = words + 1;
 344     int datalen, paramlen;
 345
 346     if (request) {
 347         TCHECK2(w[12 * 2], 2);
 348         paramlen = EXTRACT_LE_16BITS(w + 9 * 2);
 349         param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
 350         datalen = EXTRACT_LE_16BITS(w + 11 * 2);
 351         data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
 352         f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nMaxParmCnt=[d] \nMaxDataCnt=[d]\nMaxSCnt=[d] \nTransFlags=[w] \nRes1=[w] \nRes2=[w] \nRes3=[w]\nParamCnt=[d] \nParamOff=[d] \nDataCnt=[d] \nDataOff=[d] \nSUCnt=[d]\n";
 353         f2 = "|Name=[S]\n";
 354         f3 = "|Param ";
 355         f4 = "|Data ";
 356     } else {
 357         TCHECK2(w[7 * 2], 2);
 358         paramlen = EXTRACT_LE_16BITS(w + 3 * 2);
 359         param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
 360         datalen = EXTRACT_LE_16BITS(w + 6 * 2);
 361         data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
 362         f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n";
 363         f2 = "|Unknown ";
 364         f3 = "|Param ";
 365         f4 = "|Data ";
 366     }
 367
 368     smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf),
 369         unicodestr);
 370
 371     TCHECK2(*data1, 2);
 372     bcc = EXTRACT_LE_16BITS(data1);
 373     printf("smb_bcc=%u\n", bcc);
 374     if (bcc > 0) {
 375         smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen), unicodestr);
 376
 377         if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
 378             print_browse(param, paramlen, data, datalen);
 379             return;
 380         }
 381
 382         if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
 383             print_ipc(param, paramlen, data, datalen);
 384             return;
 385         }
 386
 387         if (paramlen)
 388             smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf), unicodestr);
 389         if (datalen)
 390             smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf), unicodestr);
 391     }
 392     return;
 393 trunc:
 394     printf("%s", tstr);
 395     return;
 396 }
 397
 398
 399 static void
 400 print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
 401 {
 402     u_int wct, bcc;
 403     const char *f1 = NULL, *f2 = NULL;
 404
 405     TCHECK(words[0]);
 406     wct = words[0];
 407     if (request)
 408         f2 = "*|Dialect=[Y]\n";
 409     else {
 410         if (wct == 1)
 411             f1 = "Core Protocol\nDialectIndex=[d]";
 412         else if (wct == 17)
 413             f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey=";
 414         else if (wct == 13)
 415             f1 = "Coreplus/Lanman1/Lanman2 Protocol\nDialectIndex=[d]\nSecMode=[w]\nMaxXMit=[d]\nMaxMux=[d]\nMaxVcs=[d]\nBlkMode=[w]\nSessionKey=[W]\nServerTime=[T1]TimeZone=[d]\nRes=[W]\nCryptKey=";
 416     }
 417
 418     if (f1)
 419         smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
 420             unicodestr);
 421     else
 422         print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
 423
 424     TCHECK2(*data, 2);
 425     bcc = EXTRACT_LE_16BITS(data);
 426     printf("smb_bcc=%u\n", bcc);
 427     if (bcc > 0) {
 428         if (f2)
 429             smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
 430                 maxbuf), unicodestr);
 431         else
 432             print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 433     }
 434     return;
 435 trunc:
 436     printf("%s", tstr);
 437     return;
 438 }
 439
 440 static void
 441 print_sesssetup(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
 442 {
 443     u_int wct, bcc;
 444     const char *f1 = NULL, *f2 = NULL;
 445
 446     TCHECK(words[0]);
 447     wct = words[0];
 448     if (request) {
 449         if (wct == 10)
 450             f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n";
 451         else
 452             f1 = "Com2=[B]\nRes1=[B]\nOff2=[d]\nMaxBuffer=[d]\nMaxMpx=[d]\nVcNumber=[d]\nSessionKey=[W]\nCaseInsensitivePasswordLength=[d]\nCaseSensitivePasswordLength=[d]\nRes=[W]\nCapabilities=[W]\nPass1&Pass2&Account&Domain&OS&LanMan=\n";
 453     } else {
 454         if (wct == 3) {
 455             f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
 456         } else if (wct == 13) {
 457             f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
 458             f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
 459         }
 460     }
 461
 462     if (f1)
 463         smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
 464             unicodestr);
 465     else
 466         print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
 467
 468     TCHECK2(*data, 2);
 469     bcc = EXTRACT_LE_16BITS(data);
 470     printf("smb_bcc=%u\n", bcc);
 471     if (bcc > 0) {
 472         if (f2)
 473             smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
 474                 maxbuf), unicodestr);
 475         else
 476             print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 477     }
 478     return;
 479 trunc:
 480     printf("%s", tstr);
 481     return;
 482 }
 483
 484 static void
 485 print_lockingandx(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
 486 {
 487     u_int wct, bcc;
 488     const u_char *maxwords;
 489     const char *f1 = NULL, *f2 = NULL;
 490
 491     TCHECK(words[0]);
 492     wct = words[0];
 493     if (request) {
 494         f1 = "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n";
 495         TCHECK(words[7]);
 496         if (words[7] & 0x10)
 497             f2 = "*Process=[d]\n[P2]Offset=[M]\nLength=[M]\n";
 498         else
 499             f2 = "*Process=[d]\nOffset=[D]\nLength=[D]\n";
 500     } else {
 501         f1 = "Com2=[w]\nOff2=[d]\n";
 502     }
 503
 504     maxwords = SMBMIN(words + 1 + wct * 2, maxbuf);
 505     if (wct)
 506         smb_fdata(words + 1, f1, maxwords, unicodestr);
 507
 508     TCHECK2(*data, 2);
 509     bcc = EXTRACT_LE_16BITS(data);
 510     printf("smb_bcc=%u\n", bcc);
 511     if (bcc > 0) {
 512         if (f2)
 513             smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
 514                 maxbuf), unicodestr);
 515         else
 516             print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 517     }
 518     return;
 519 trunc:
 520     printf("%s", tstr);
 521     return;
 522 }
 523
 524
 525 static const struct smbfns smb_fns[] = {
 526     { -1, "SMBunknown", 0, DEFDESCRIPT },
 527
 528     { SMBtcon, "SMBtcon", 0,
 529         { NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
 530           "MaxXmit=[d]\nTreeId=[d]\n", NULL,
 531           NULL } },
 532
 533     { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
 534     { SMBexit,  "SMBexit", 0, DEFDESCRIPT },
 535     { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },
 536
 537     { SMBecho, "SMBecho", 0,
 538         { "ReverbCount=[d]\n", NULL,
 539           "SequenceNum=[d]\n", NULL,
 540           NULL } },
 541
 542     { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },
 543
 544     { SMBgetatr, "SMBgetatr", 0,
 545         { NULL, "Path=[Z]\n",
 546           "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
 547           NULL } },
 548
 549     { SMBsetatr, "SMBsetatr", 0,
 550         { "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
 551           NULL, NULL, NULL } },
 552
 553     { SMBchkpth, "SMBchkpth", 0,
 554        { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 555
 556     { SMBsearch, "SMBsearch", 0,
 557         { "Count=[d]\nAttrib=[A]\n",
 558           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n",
 559           "Count=[d]\n",
 560           "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
 561           NULL } },
 562
 563     { SMBopen, "SMBopen", 0,
 564         { "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n",
 565           "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",
 566           NULL, NULL } },
 567
 568     { SMBcreate, "SMBcreate", 0,
 569         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 570
 571     { SMBmknew, "SMBmknew", 0,
 572         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 573
 574     { SMBunlink, "SMBunlink", 0,
 575         { "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } },
 576
 577     { SMBread, "SMBread", 0,
 578         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 579           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 580
 581     { SMBwrite, "SMBwrite", 0,
 582         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 583           "Count=[d]\n", NULL, NULL } },
 584
 585     { SMBclose, "SMBclose", 0,
 586         { "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } },
 587
 588     { SMBmkdir, "SMBmkdir", 0,
 589         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 590
 591     { SMBrmdir, "SMBrmdir", 0,
 592         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 593
 594     { SMBdskattr, "SMBdskattr", 0,
 595         { NULL, NULL,
 596           "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
 597           NULL, NULL } },
 598
 599     { SMBmv, "SMBmv", 0,
 600         { "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },
 601
 602     /*
 603      * this is a Pathworks specific call, allowing the
 604      * changing of the root path
 605      */
 606     { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 607
 608     { SMBlseek, "SMBlseek", 0,
 609         { "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } },
 610
 611     { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 612
 613     { SMBsplopen, "SMBsplopen", 0,
 614         { "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n",
 615           NULL, NULL } },
 616
 617     { SMBsplclose, "SMBsplclose", 0,
 618         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 619
 620     { SMBsplretq, "SMBsplretq", 0,
 621         { "MaxCount=[d]\nStartIndex=[d]\n", NULL,
 622           "Count=[d]\nIndex=[d]\n",
 623           "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n",
 624           NULL } },
 625
 626     { SMBsplwr, "SMBsplwr", 0,
 627         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 628
 629     { SMBlock, "SMBlock", 0,
 630         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 631
 632     { SMBunlock, "SMBunlock", 0,
 633         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 634
 635     /* CORE+ PROTOCOL FOLLOWS */
 636
 637     { SMBreadbraw, "SMBreadbraw", 0,
 638         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
 639           NULL, NULL, NULL, NULL } },
 640
 641     { SMBwritebraw, "SMBwritebraw", 0,
 642         { "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n",
 643           NULL, "WriteRawAck", NULL, NULL } },
 644
 645     { SMBwritec, "SMBwritec", 0,
 646         { NULL, NULL, "Count=[d]\n", NULL, NULL } },
 647
 648     { SMBwriteclose, "SMBwriteclose", 0,
 649         { "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
 650           NULL, "Count=[d]\n", NULL, NULL } },
 651
 652     { SMBlockread, "SMBlockread", 0,
 653         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 654           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 655
 656     { SMBwriteunlock, "SMBwriteunlock", 0,
 657         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 658           "Count=[d]\n", NULL, NULL } },
 659
 660     { SMBreadBmpx, "SMBreadBmpx", 0,
 661         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n",
 662           NULL,
 663           "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n",
 664           NULL, NULL } },
 665
 666     { SMBwriteBmpx, "SMBwriteBmpx", 0,
 667         { "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL,
 668           "Remaining=[d]\n", NULL, NULL } },
 669
 670     { SMBwriteBs, "SMBwriteBs", 0,
 671         { "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
 672           NULL, "Count=[d]\n", NULL, NULL } },
 673
 674     { SMBsetattrE, "SMBsetattrE", 0,
 675         { "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
 676           NULL, NULL, NULL } },
 677
 678     { SMBgetattrE, "SMBgetattrE", 0,
 679         { "Handle=[d]\n", NULL,
 680           "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
 681           NULL, NULL } },
 682
 683     { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
 684     { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },
 685
 686     { SMBcopy, "SMBcopy", 0,
 687         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 688           "CopyCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 689
 690     { SMBmove, "SMBmove", 0,
 691         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 692           "MoveCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 693
 694     { SMBopenX, "SMBopenX", FLG_CHAIN,
 695         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n",
 696           "Path=[S]\n",
 697           "Com2=[w]\nOff2=[d]\nHandle=[d]\nAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nFileID=[W]\nRes=[w]\n",
 698           NULL, NULL } },
 699
 700     { SMBreadX, "SMBreadX", FLG_CHAIN,
 701         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n",
 702           NULL,
 703           "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n",
 704           NULL, NULL } },
 705
 706     { SMBwriteX, "SMBwriteX", FLG_CHAIN,
 707         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n",
 708           NULL,
 709           "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
 710           NULL, NULL } },
 711
 712     { SMBffirst, "SMBffirst", 0,
 713         { "Count=[d]\nAttrib=[A]\n",
 714           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 715           "Count=[d]\n",
 716           "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
 717           NULL } },
 718
 719     { SMBfunique, "SMBfunique", 0,
 720         { "Count=[d]\nAttrib=[A]\n",
 721           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 722           "Count=[d]\n",
 723           "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
 724           NULL } },
 725
 726     { SMBfclose, "SMBfclose", 0,
 727         { "Count=[d]\nAttrib=[A]\n",
 728           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 729           "Count=[d]\n",
 730           "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
 731           NULL } },
 732
 733     { SMBfindnclose, "SMBfindnclose", 0,
 734         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 735
 736     { SMBfindclose, "SMBfindclose", 0,
 737         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 738
 739     { SMBsends, "SMBsends", 0,
 740         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 741
 742     { SMBsendstrt, "SMBsendstrt", 0,
 743         { NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } },
 744
 745     { SMBsendend, "SMBsendend", 0,
 746         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 747
 748     { SMBsendtxt, "SMBsendtxt", 0,
 749         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 750
 751     { SMBsendb, "SMBsendb", 0,
 752         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 753
 754     { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT },
 755     { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT },
 756     { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT },
 757
 758     { SMBnegprot, "SMBnegprot", 0,
 759         { NULL, NULL, NULL, NULL, print_negprot } },
 760
 761     { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN,
 762         { NULL, NULL, NULL, NULL, print_sesssetup } },
 763
 764     { SMBtconX, "SMBtconX", FLG_CHAIN,
 765         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
 766           NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[R]\n", NULL } },
 767
 768     { SMBlockingX, "SMBlockingX", FLG_CHAIN,
 769         { NULL, NULL, NULL, NULL, print_lockingandx } },
 770
 771     { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
 772
 773     { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
 774     { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
 775     { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
 776     { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },
 777
 778     { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
 779     { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },
 780
 781     { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
 782         { "Com2=[w]\nOff2=[d]\nRes=[b]\nNameLen=[ld]\nFlags=[W]\nRootDirectoryFid=[D]\nAccessMask=[W]\nAllocationSize=[L]\nExtFileAttributes=[W]\nShareAccess=[W]\nCreateDisposition=[W]\nCreateOptions=[W]\nImpersonationLevel=[W]\nSecurityFlags=[b]\n",
 783           "Path=[C]\n",
 784           "Com2=[w]\nOff2=[d]\nOplockLevel=[b]\nFid=[d]\nCreateAction=[W]\nCreateTime=[T3]LastAccessTime=[T3]LastWriteTime=[T3]ChangeTime=[T3]ExtFileAttributes=[W]\nAllocationSize=[L]\nEndOfFile=[L]\nFileType=[w]\nDeviceState=[w]\nDirectory=[b]\n",
 785           NULL, NULL } },
 786
 787     { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },
 788
 789     { -1, NULL, 0, DEFDESCRIPT }
 790 };
 791
 792
 793 /*
 794  * print a SMB message
 795  */
 796 static void
 797 print_smb(const u_char *buf, const u_char *maxbuf)
 798 {
 799     u_int16_t flags2;
 800     int nterrcodes;
 801     int command;
 802     u_int32_t nterror;
 803     const u_char *words, *maxwords, *data;
 804     const struct smbfns *fn;
 805     const char *fmt_smbheader =
 806         "[P4]SMB Command   =  [B]\nError class   =  [BP1]\nError code    =  [d]\nFlags1        =  [B]\nFlags2        =  [B][P13]\nTree ID       =  [d]\nProc ID       =  [d]\nUID           =  [d]\nMID           =  [d]\nWord Count    =  [b]\n";
 807     int smboffset;
 808
 809     TCHECK(buf[9]);
 810     request = (buf[9] & 0x80) ? 0 : 1;
 811     flags2 = EXTRACT_LE_16BITS(&buf[10]);
 812     unicodestr = flags2 & 0x8000;
 813     nterrcodes = flags2 & 0x4000;
 814     startbuf = buf;
 815
 816     command = buf[4];
 817
 818     fn = smbfind(command, smb_fns);
 819
 820     if (vflag > 1)
 821         printf("\n");
 822
 823     printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");
 824
 825     if (vflag < 2)
 826         return;
 827
 828     /* print out the header */
 829     smb_fdata(buf, fmt_smbheader, buf + 33, unicodestr);
 830
 831     if (nterrcodes) {
 832         nterror = EXTRACT_LE_32BITS(&buf[5]);
 833         if (nterror)
 834             printf("NTError = %s\n", nt_errstr(nterror));
 835     } else {
 836         if (buf[5])
 837             printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
 838     }
 839
 840     smboffset = 32;
 841
 842     for (;;) {
 843         const char *f1, *f2;
 844         int wct;
 845         u_int bcc;
 846         int newsmboffset;
 847
 848         words = buf + smboffset;
 849         TCHECK(words[0]);
 850         wct = words[0];
 851         data = words + 1 + wct * 2;
 852         maxwords = SMBMIN(data, maxbuf);
 853
 854         if (request) {
 855             f1 = fn->descript.req_f1;
 856             f2 = fn->descript.req_f2;
 857         } else {
 858             f1 = fn->descript.rep_f1;
 859             f2 = fn->descript.rep_f2;
 860         }
 861
 862         if (fn->descript.fn)
 863             (*fn->descript.fn)(words, data, buf, maxbuf);
 864         else {
 865             if (wct) {
 866                 if (f1)
 867                     smb_fdata(words + 1, f1, words + 1 + wct * 2, unicodestr);
 868                 else {
 869                     int i;
 870                     int v;
 871
 872                     for (i = 0; &words[1 + 2 * i] < maxwords; i++) {
 873                         TCHECK2(words[1 + 2 * i], 2);
 874                         v = EXTRACT_LE_16BITS(words + 1 + 2 * i);
 875                         printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v);
 876                     }
 877                 }
 878             }
 879
 880             TCHECK2(*data, 2);
 881             bcc = EXTRACT_LE_16BITS(data);
 882             printf("smb_bcc=%u\n", bcc);
 883             if (f2) {
 884                 if (bcc > 0)
 885                     smb_fdata(data + 2, f2, data + 2 + bcc, unicodestr);
 886             } else {
 887                 if (bcc > 0) {
 888                     printf("smb_buf[]=\n");
 889                     print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
 890                 }
 891             }
 892         }
 893
 894         if ((fn->flags & FLG_CHAIN) == 0)
 895             break;
 896         if (wct == 0)
 897             break;
 898         TCHECK(words[1]);
 899         command = words[1];
 900         if (command == 0xFF)
 901             break;
 902         TCHECK2(words[3], 2);
 903         newsmboffset = EXTRACT_LE_16BITS(words + 3);
 904
 905         fn = smbfind(command, smb_fns);
 906
 907         printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
 908             fn->name, request ? "REQUEST" : "REPLY");
 909         if (newsmboffset <= smboffset) {
 910             printf("Bad andX offset: %u <= %u\n", newsmboffset, smboffset);
 911             break;
 912         }
 913         smboffset = newsmboffset;
 914     }
 915
 916     printf("\n");
 917     return;
 918 trunc:
 919     printf("%s", tstr);
 920     return;
 921 }
 922
 923
 924 /*
 925  * print a NBT packet received across tcp on port 139
 926  */
 927 void
 928 nbt_tcp_print(const u_char *data, int length)
 929 {
 930     int caplen;
 931     int type;
 932     u_int nbt_len;
 933     const u_char *maxbuf;
 934
 935     if (length < 4)
 936         goto trunc;
 937     if (snapend < data)
 938         goto trunc;
 939     caplen = snapend - data;
 940     if (caplen < 4)
 941         goto trunc;
 942     maxbuf = data + caplen;
 943     type = data[0];
 944     nbt_len = EXTRACT_16BITS(data + 2);
 945     length -= 4;
 946     caplen -= 4;
 947
 948     startbuf = data;
 949
 950     if (vflag < 2) {
 951         printf(" NBT Session Packet: ");
 952         switch (type) {
 953         case 0x00:
 954             printf("Session Message");
 955             break;
 956
 957         case 0x81:
 958             printf("Session Request");
 959             break;
 960
 961         case 0x82:
 962             printf("Session Granted");
 963             break;
 964
 965         case 0x83:
 966           {
 967             int ecode;
 968
 969             if (nbt_len < 4)
 970                 goto trunc;
 971             if (length < 4)
 972                 goto trunc;
 973             if (caplen < 4)
 974                 goto trunc;
 975             ecode = data[4];
 976
 977             printf("Session Reject, ");
 978             switch (ecode) {
 979             case 0x80:
 980                 printf("Not listening on called name");
 981                 break;
 982             case 0x81:
 983                 printf("Not listening for calling name");
 984                 break;
 985             case 0x82:
 986                 printf("Called name not present");
 987                 break;
 988             case 0x83:
 989                 printf("Called name present, but insufficient resources");
 990                 break;
 991             default:
 992                 printf("Unspecified error 0x%X", ecode);
 993                 break;
 994             }
 995           }
 996             break;
 997
 998         case 0x85:
 999             printf("Session Keepalive");
1000             break;
1001
1002         default:
1003             data = smb_fdata(data, "Unknown packet type [rB]", maxbuf, 0);
1004             break;
1005         }
1006     } else {
1007         printf ("\n>>> NBT Session Packet\n");
1008         switch (type) {
1009         case 0x00:
1010             data = smb_fdata(data, "[P1]NBT Session Message\nFlags=[B]\nLength=[rd]\n",
1011                 data + 4, 0);
1012             if (data == NULL)
1013                 break;
1014             if (nbt_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) {
1015                 if ((int)nbt_len > caplen) {
1016                     if ((int)nbt_len > length)
1017                         printf("WARNING: Packet is continued in later TCP segments\n");
1018                     else
1019                         printf("WARNING: Short packet. Try increasing the snap length by %d\n",
1020                             nbt_len - caplen);
1021                 }
1022                 print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
1023             } else
1024                 printf("Session packet:(raw data or continuation?)\n");
1025             break;
1026
1027         case 0x81:
1028             data = smb_fdata(data,
1029                 "[P1]NBT Session Request\nFlags=[B]\nLength=[rd]\nDestination=[n1]\nSource=[n1]\n",
1030                 maxbuf, 0);
1031             break;
1032
1033         case 0x82:
1034             data = smb_fdata(data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
1035             break;
1036
1037         case 0x83:
1038           {
1039             const u_char *origdata;
1040             int ecode;
1041
1042             origdata = data;
1043             data = smb_fdata(data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[rd]\nReason=[B]\n",
1044                 maxbuf, 0);
1045             if (data == NULL)
1046                 break;
1047             if (nbt_len >= 1 && caplen >= 1) {
1048                 ecode = origdata[4];
1049                 switch (ecode) {
1050                 case 0x80:
1051                     printf("Not listening on called name\n");
1052                     break;
1053                 case 0x81:
1054                     printf("Not listening for calling name\n");
1055                     break;
1056                 case 0x82:
1057                     printf("Called name not present\n");
1058                     break;
1059                 case 0x83:
1060                     printf("Called name present, but insufficient resources\n");
1061                     break;
1062                 default:
1063                     printf("Unspecified error 0x%X\n", ecode);
1064                     break;
1065                 }
1066             }
1067           }
1068             break;
1069
1070         case 0x85:
1071             data = smb_fdata(data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
1072             break;
1073
1074         default:
1075             data = smb_fdata(data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0);
1076             break;
1077         }
1078         printf("\n");
1079         fflush(stdout);
1080     }
1081     return;
1082 trunc:
1083     printf("%s", tstr);
1084     return;
1085 }
1086
1087
1088 /*
1089  * print a NBT packet received across udp on port 137
1090  */
1091 void
1092 nbt_udp137_print(const u_char *data, int length)
1093 {
1094     const u_char *maxbuf = data + length;
1095     int name_trn_id, response, opcode, nm_flags, rcode;
1096     int qdcount, ancount, nscount, arcount;
1097     const char *opcodestr;
1098     const u_char *p;
1099     int total, i;
1100
1101     TCHECK2(data[10], 2);
1102     name_trn_id = EXTRACT_16BITS(data);
1103     response = (data[2] >> 7);
1104     opcode = (data[2] >> 3) & 0xF;
1105     nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
1106     rcode = data[3] & 0xF;
1107     qdcount = EXTRACT_16BITS(data + 4);
1108     ancount = EXTRACT_16BITS(data + 6);
1109     nscount = EXTRACT_16BITS(data + 8);
1110     arcount = EXTRACT_16BITS(data + 10);
1111     startbuf = data;
1112
1113     if (maxbuf <= data)
1114         return;
1115
1116     if (vflag > 1)
1117         printf("\n>>> ");
1118
1119     printf("NBT UDP PACKET(137): ");
1120
1121     switch (opcode) {
1122     case 0: opcodestr = "QUERY"; break;
1123     case 5: opcodestr = "REGISTRATION"; break;
1124     case 6: opcodestr = "RELEASE"; break;
1125     case 7: opcodestr = "WACK"; break;
1126     case 8: opcodestr = "REFRESH(8)"; break;
1127     case 9: opcodestr = "REFRESH"; break;
1128     case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
1129     default: opcodestr = "OPUNKNOWN"; break;
1130     }
1131     printf("%s", opcodestr);
1132     if (response) {
1133         if (rcode)
1134             printf("; NEGATIVE");
1135         else
1136             printf("; POSITIVE");
1137     }
1138
1139     if (response)
1140         printf("; RESPONSE");
1141     else
1142         printf("; REQUEST");
1143
1144     if (nm_flags & 1)
1145         printf("; BROADCAST");
1146     else
1147         printf("; UNICAST");
1148
1149     if (vflag < 2)
1150         return;
1151
1152     printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
1153         name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
1154         arcount);
1155
1156     p = data + 12;
1157
1158     total = ancount + nscount + arcount;
1159
1160     if (qdcount > 100 || total > 100) {
1161         printf("Corrupt packet??\n");
1162         return;
1163     }
1164
1165     if (qdcount) {
1166         printf("QuestionRecords:\n");
1167         for (i = 0; i < qdcount; i++) {
1168             p = smb_fdata(p,
1169                 "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
1170                 maxbuf, 0);
1171             if (p == NULL)
1172                 goto out;
1173         }
1174     }
1175
1176     if (total) {
1177         printf("\nResourceRecords:\n");
1178         for (i = 0; i < total; i++) {
1179             int rdlen;
1180             int restype;
1181
1182             p = smb_fdata(p, "Name=[n1]\n#", maxbuf, 0);
1183             if (p == NULL)
1184                 goto out;
1185             restype = EXTRACT_16BITS(p);
1186             p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0);
1187             if (p == NULL)
1188                 goto out;
1189             rdlen = EXTRACT_16BITS(p);
1190             printf("ResourceLength=%d\nResourceData=\n", rdlen);
1191             p += 2;
1192             if (rdlen == 6) {
1193                 p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen, 0);
1194                 if (p == NULL)
1195                     goto out;
1196             } else {
1197                 if (restype == 0x21) {
1198                     int numnames;
1199
1200                     TCHECK(*p);
1201                     numnames = p[0];
1202                     p = smb_fdata(p, "NumNames=[B]\n", p + 1, 0);
1203                     if (p == NULL)
1204                         goto out;
1205                     while (numnames--) {
1206                         p = smb_fdata(p, "Name=[n2]\t#", maxbuf, 0);
1207                         if (p == NULL)
1208                             goto out;
1209                         TCHECK(*p);
1210                         if (p[0] & 0x80)
1211                             printf("<GROUP> ");
1212                         switch (p[0] & 0x60) {
1213                         case 0x00: printf("B "); break;
1214                         case 0x20: printf("P "); break;
1215                         case 0x40: printf("M "); break;
1216                         case 0x60: printf("_ "); break;
1217                         }
1218                         if (p[0] & 0x10)
1219                             printf("<DEREGISTERING> ");
1220                         if (p[0] & 0x08)
1221                             printf("<CONFLICT> ");
1222                         if (p[0] & 0x04)
1223                             printf("<ACTIVE> ");
1224                         if (p[0] & 0x02)
1225                             printf("<PERMANENT> ");
1226                         printf("\n");
1227                         p += 2;
1228                     }
1229                 } else {
1230                     print_data(p, min(rdlen, length - (p - data)));
1231                     p += rdlen;
1232                 }
1233             }
1234         }
1235     }
1236
1237     if (p < maxbuf)
1238         smb_fdata(p, "AdditionalData:\n", maxbuf, 0);
1239
1240 out:
1241     printf("\n");
1242     fflush(stdout);
1243     return;
1244 trunc:
1245     printf("%s", tstr);
1246     return;
1247 }
1248
1249 /*
1250  * Print an SMB-over-TCP packet received across tcp on port 445
1251  */
1252 void
1253 smb_tcp_print (const u_char * data, int length)
1254 {
1255     int caplen;
1256     u_int smb_len;
1257     const u_char *maxbuf;
1258
1259     if (length < 4)
1260         goto trunc;
1261     if (snapend < data)
1262         goto trunc;
1263     caplen = snapend - data;
1264     if (caplen < 4)
1265         goto trunc;
1266     maxbuf = data + caplen;
1267     smb_len = EXTRACT_24BITS(data + 1);
1268     length -= 4;
1269     caplen -= 4;
1270
1271     startbuf = data;
1272     data += 4;
1273
1274     if (smb_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) {
1275         if ((int)smb_len > caplen) {
1276             if ((int)smb_len > length)
1277                 printf("WARNING: Packet is continued in later TCP segments\n");
1278             else
1279                 printf("WARNING: Short packet. Try increasing the snap length by %d\n",
1280                     smb_len - caplen);
1281         }
1282         print_smb(data, maxbuf > data + smb_len ? data + smb_len : maxbuf);
1283     } else
1284         printf("SMB-over-TCP packet:(raw data or continuation?)\n");
1285     return;
1286 trunc:
1287     printf("%s", tstr);
1288     return;
1289 }
1290
1291 /*
1292  * print a NBT packet received across udp on port 138
1293  */
1294 void
1295 nbt_udp138_print(const u_char *data, int length)
1296 {
1297     const u_char *maxbuf = data + length;
1298
1299     if (maxbuf > snapend)
1300         maxbuf = snapend;
1301     if (maxbuf <= data)
1302         return;
1303     startbuf = data;
1304
1305     if (vflag < 2) {
1306         printf("NBT UDP PACKET(138)");
1307         return;
1308     }
1309
1310     data = smb_fdata(data,
1311         "\n>>> NBT UDP PACKET(138) Res=[rw] ID=[rw] IP=[b.b.b.b] Port=[rd] Length=[rd] Res2=[rw]\nSourceName=[n1]\nDestName=[n1]\n#",
1312         maxbuf, 0);
1313
1314     if (data != NULL) {
1315         /* If there isn't enough data for "\377SMB", don't check for it. */
1316         if (&data[3] >= maxbuf)
1317             goto out;
1318
1319         if (memcmp(data, "\377SMB",4) == 0)
1320             print_smb(data, maxbuf);
1321     }
1322 out:
1323     printf("\n");
1324     fflush(stdout);
1325 }
1326
1327
1328 /*
1329    print netbeui frames
1330 */
1331 struct nbf_strings {
1332         const char      *name;
1333         const char      *nonverbose;
1334         const char      *verbose;
1335 } nbf_strings[0x20] = {
1336         { "Add Group Name Query", ", [P23]Name to add=[n2]#",
1337           "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1338         { "Add Name Query", ", [P23]Name to add=[n2]#",
1339           "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1340         { "Name In Conflict", NULL, NULL },
1341         { "Status Query", NULL, NULL },
1342         { NULL, NULL, NULL },   /* not used */
1343         { NULL, NULL, NULL },   /* not used */
1344         { NULL, NULL, NULL },   /* not used */
1345         { "Terminate Trace", NULL, NULL },
1346         { "Datagram", NULL,
1347           "[P7]Destination=[n2]\nSource=[n2]\n" },
1348         { "Broadcast Datagram", NULL,
1349           "[P7]Destination=[n2]\nSource=[n2]\n" },
1350         { "Name Query", ", [P7]Name=[n2]#",
1351           "[P1]SessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nName=[n2]\nName of sender=[n2]\n" },
1352         { NULL, NULL, NULL },   /* not used */
1353         { NULL, NULL, NULL },   /* not used */
1354         { "Add Name Response", ", [P1]GroupName=[w] [P4]Destination=[n2] Source=[n2]#",
1355           "AddNameInProcess=[B]\nGroupName=[w]\nTransmitCorrelator=[w][P2]\nDestination=[n2]\nSource=[n2]\n" },
1356         { "Name Recognized", NULL,
1357           "[P1]Data2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n" },
1358         { "Status Response", NULL, NULL },
1359         { NULL, NULL, NULL },   /* not used */
1360         { NULL, NULL, NULL },   /* not used */
1361         { NULL, NULL, NULL },   /* not used */
1362         { "Terminate Trace", NULL, NULL },
1363         { "Data Ack", NULL,
1364           "[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1365         { "Data First/Middle", NULL,
1366           "Flags=[{RECEIVE_CONTINUE|NO_ACK||PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1367         { "Data Only/Last", NULL,
1368           "Flags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1369         { "Session Confirm", NULL,
1370           "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1371         { "Session End", NULL,
1372           "[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1373         { "Session Initialize", NULL,
1374           "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1375         { "No Receive", NULL,
1376           "Flags=[{|SEND_NO_ACK}]\nDataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1377         { "Receive Outstanding", NULL,
1378           "[P1]DataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1379         { "Receive Continue", NULL,
1380           "[P2]TransmitCorrelator=[w]\n[P2]RemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1381         { NULL, NULL, NULL },   /* not used */
1382         { NULL, NULL, NULL },   /* not used */
1383         { "Session Alive", NULL, NULL }
1384 };
1385
1386 void
1387 netbeui_print(u_short control, const u_char *data, int length)
1388 {
1389     const u_char *maxbuf = data + length;
1390     int len;
1391     int command;
1392     const u_char *data2;
1393     int is_truncated = 0;
1394
1395     if (maxbuf > snapend)
1396         maxbuf = snapend;
1397     TCHECK(data[4]);
1398     len = EXTRACT_LE_16BITS(data);
1399     command = data[4];
1400     data2 = data + len;
1401     if (data2 >= maxbuf) {
1402         data2 = maxbuf;
1403         is_truncated = 1;
1404     }
1405
1406     startbuf = data;
1407
1408     if (vflag < 2) {
1409         printf("NBF Packet: ");
1410         data = smb_fdata(data, "[P5]#", maxbuf, 0);
1411     } else {
1412         printf("\n>>> NBF Packet\nType=0x%X ", control);
1413         data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf, 0);
1414     }
1415     if (data == NULL)
1416         goto out;
1417
1418     if (command > 0x1f || nbf_strings[command].name == NULL) {
1419         if (vflag < 2)
1420             data = smb_fdata(data, "Unknown NBF Command#", data2, 0);
1421         else
1422             data = smb_fdata(data, "Unknown NBF Command\n", data2, 0);
1423     } else {
1424         if (vflag < 2) {
1425             printf("%s", nbf_strings[command].name);
1426             if (nbf_strings[command].nonverbose != NULL)
1427                 data = smb_fdata(data, nbf_strings[command].nonverbose, data2, 0);
1428         } else {
1429             printf("%s:\n", nbf_strings[command].name);
1430             if (nbf_strings[command].verbose != NULL)
1431                 data = smb_fdata(data, nbf_strings[command].verbose, data2, 0);
1432             else
1433                 printf("\n");
1434         }
1435     }
1436
1437     if (vflag < 2)
1438         return;
1439
1440     if (data == NULL)
1441         goto out;
1442
1443     if (is_truncated) {
1444         /* data2 was past the end of the buffer */
1445         goto out;
1446     }
1447
1448     /* If this isn't a command that would contain an SMB message, quit. */
1449     if (command != 0x08 && command != 0x09 && command != 0x15 &&
1450         command != 0x16)
1451         goto out;
1452
1453     /* If there isn't enough data for "\377SMB", don't look for it. */
1454     if (&data2[3] >= maxbuf)
1455         goto out;
1456
1457     if (memcmp(data2, "\377SMB",4) == 0)
1458         print_smb(data2, maxbuf);
1459     else {
1460         int i;
1461         for (i = 0; i < 128; i++) {
1462             if (&data2[i + 3] >= maxbuf)
1463                 break;
1464             if (memcmp(&data2[i], "\377SMB", 4) == 0) {
1465                 printf("found SMB packet at %d\n", i);
1466                 print_smb(&data2[i], maxbuf);
1467                 break;
1468             }
1469         }
1470     }
1471
1472 out:
1473     printf("\n");
1474     return;
1475 trunc:
1476     printf("%s", tstr);
1477     return;
1478 }
1479
1480
1481 /*
1482  * print IPX-Netbios frames
1483  */
1484 void
1485 ipx_netbios_print(const u_char *data, u_int length)
1486 {
1487     /*
1488      * this is a hack till I work out how to parse the rest of the
1489      * NetBIOS-over-IPX stuff
1490      */
1491     int i;
1492     const u_char *maxbuf;
1493
1494     maxbuf = data + length;
1495     /* Don't go past the end of the captured data in the packet. */
1496     if (maxbuf > snapend)
1497         maxbuf = snapend;
1498     startbuf = data;
1499     for (i = 0; i < 128; i++) {
1500         if (&data[i + 4] > maxbuf)
1501             break;
1502         if (memcmp(&data[i], "\377SMB", 4) == 0) {
1503             smb_fdata(data, "\n>>> IPX transport ", &data[i], 0);
1504             print_smb(&data[i], maxbuf);
1505             printf("\n");
1506             fflush(stdout);
1507             break;
1508         }
1509     }
1510     if (i == 128)
1511         smb_fdata(data, "\n>>> Unknown IPX ", maxbuf, 0);
1512 }