contrib/tcpdump-3.9/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 1.41.2.4 2007/07/14 22:29:05 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 int request = 0;
  28 static int unicodestr = 0;
  29
  30 const u_char *startbuf = NULL;
  31
  32 struct smbdescript {
  33     const char *req_f1;
  34     const char *req_f2;
  35     const char *rep_f1;
  36     const char *rep_f2;
  37     void (*fn)(const u_char *, const u_char *, const u_char *, const u_char *);
  38 };
  39
  40 struct smbdescriptint {
  41     const char *req_f1;
  42     const char *req_f2;
  43     const char *rep_f1;
  44     const char *rep_f2;
  45     void (*fn)(const u_char *, const u_char *, int, int);
  46 };
  47
  48 struct smbfns
  49 {
  50     int id;
  51     const char *name;
  52     int flags;
  53     struct smbdescript descript;
  54 };
  55
  56 struct smbfnsint
  57 {
  58     int id;
  59     const char *name;
  60     int flags;
  61     struct smbdescriptint descript;
  62 };
  63
  64 #define DEFDESCRIPT     { NULL, NULL, NULL, NULL, NULL }
  65
  66 #define FLG_CHAIN       (1 << 0)
  67
  68 static struct smbfns *
  69 smbfind(int id, struct smbfns *list)
  70 {
  71     int sindex;
  72
  73     for (sindex = 0; list[sindex].name; sindex++)
  74         if (list[sindex].id == id)
  75             return(&list[sindex]);
  76
  77     return(&list[0]);
  78 }
  79
  80 static struct smbfnsint *
  81 smbfindint(int id, struct smbfnsint *list)
  82 {
  83     int sindex;
  84
  85     for (sindex = 0; list[sindex].name; sindex++)
  86         if (list[sindex].id == id)
  87             return(&list[sindex]);
  88
  89     return(&list[0]);
  90 }
  91
  92 static void
  93 trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
  94 {
  95     const char *fmt;
  96
  97     if (request)
  98         fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP4]\nFile=[S]\n";
  99     else
 100         fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n";
 101
 102     smb_fdata(param, fmt, param + pcnt, unicodestr);
 103     if (dcnt) {
 104         printf("data:\n");
 105         print_data(data, dcnt);
 106     }
 107 }
 108
 109 static void
 110 trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
 111 {
 112     static int level = 0;
 113     const char *fmt="";
 114
 115     if (request) {
 116         TCHECK2(*param, 2);
 117         level = EXTRACT_LE_16BITS(param);
 118         fmt = "InfoLevel=[d]\n";
 119         smb_fdata(param, fmt, param + pcnt, unicodestr);
 120     } else {
 121         switch (level) {
 122         case 1:
 123             fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n";
 124             break;
 125         case 2:
 126             fmt = "CreationTime=[T2]VolNameLength=[lb]\nVolumeLabel=[c]\n";
 127             break;
 128         case 0x105:
 129             fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[lD]\nVolume=[C]\n";
 130             break;
 131         default:
 132             fmt = "UnknownLevel\n";
 133             break;
 134         }
 135         smb_fdata(data, fmt, data + dcnt, unicodestr);
 136     }
 137     if (dcnt) {
 138         printf("data:\n");
 139         print_data(data, dcnt);
 140     }
 141     return;
 142 trunc:
 143     printf("[|SMB]");
 144     return;
 145 }
 146
 147 struct smbfnsint trans2_fns[] = {
 148     { 0, "TRANSACT2_OPEN", 0,
 149         { "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[D]\nRes=([w, w, w, w, w])\nPath=[S]",
 150           NULL,
 151           "Handle=[d]\nAttrib=[A]\nTime=[T2]\nSize=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[d]\n|EALength=[d]\n",
 152           NULL, NULL }},
 153     { 1, "TRANSACT2_FINDFIRST", 0,
 154         { NULL, NULL, NULL, NULL, trans2_findfirst }},
 155     { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT },
 156     { 3, "TRANSACT2_QFSINFO", 0,
 157         { NULL, NULL, NULL, NULL, trans2_qfsinfo }},
 158     { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT },
 159     { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT },
 160     { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT },
 161     { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT },
 162     { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT },
 163     { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT },
 164     { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT },
 165     { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT },
 166     { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT },
 167     { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT },
 168     { -1, NULL, 0, DEFDESCRIPT }
 169 };
 170
 171
 172 static void
 173 print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf)
 174 {
 175     u_int bcc;
 176     static struct smbfnsint *fn = &trans2_fns[0];
 177     const u_char *data, *param;
 178     const u_char *w = words + 1;
 179     const char *f1 = NULL, *f2 = NULL;
 180     int pcnt, dcnt;
 181
 182     TCHECK(words[0]);
 183     if (request) {
 184         TCHECK2(w[14 * 2], 2);
 185         pcnt = EXTRACT_LE_16BITS(w + 9 * 2);
 186         param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
 187         dcnt = EXTRACT_LE_16BITS(w + 11 * 2);
 188         data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
 189         fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
 190     } else {
 191         if (words[0] == 0) {
 192             printf("%s\n", fn->name);
 193             printf("Trans2Interim\n");
 194             return;
 195         }
 196         TCHECK2(w[7 * 2], 2);
 197         pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
 198         param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
 199         dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
 200         data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
 201     }
 202
 203     printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);
 204
 205     if (request) {
 206         if (words[0] == 8) {
 207             smb_fdata(words + 1,
 208                 "Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
 209                 maxbuf, unicodestr);
 210             return;
 211         } else {
 212             smb_fdata(words + 1,
 213                 "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",
 214                 words + 1 + 14 * 2, unicodestr);
 215         }
 216         f1 = fn->descript.req_f1;
 217         f2 = fn->descript.req_f2;
 218     } else {
 219         smb_fdata(words + 1,
 220             "TotParam=[d]\nTotData=[d]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nParamDisp[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nSetupCnt=[b][P1]\n",
 221             words + 1 + 10 * 2, unicodestr);
 222         f1 = fn->descript.rep_f1;
 223         f2 = fn->descript.rep_f2;
 224     }
 225
 226     TCHECK2(*dat, 2);
 227     bcc = EXTRACT_LE_16BITS(dat);
 228     printf("smb_bcc=%u\n", bcc);
 229     if (fn->descript.fn)
 230         (*fn->descript.fn)(param, data, pcnt, dcnt);
 231     else {
 232         smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt, unicodestr);
 233         smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt, unicodestr);
 234     }
 235     return;
 236 trunc:
 237     printf("[|SMB]");
 238     return;
 239 }
 240
 241
 242 static void
 243 print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
 244 {
 245     const u_char *maxbuf = data + datalen;
 246     int command;
 247
 248     TCHECK(data[0]);
 249     command = data[0];
 250
 251     smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen, unicodestr);
 252
 253     switch (command) {
 254     case 0xF:
 255         data = smb_fdata(data,
 256             "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 257             maxbuf, unicodestr);
 258         break;
 259
 260     case 0x1:
 261         data = smb_fdata(data,
 262             "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 263             maxbuf, unicodestr);
 264         break;
 265
 266     case 0x2:
 267         data = smb_fdata(data,
 268             "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
 269             maxbuf, unicodestr);
 270         break;
 271
 272     case 0xc:
 273         data = smb_fdata(data,
 274             "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n",
 275             maxbuf, unicodestr);
 276         break;
 277
 278     case 0x8:
 279         data = smb_fdata(data,
 280             "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
 281             maxbuf, unicodestr);
 282         break;
 283
 284     case 0xb:
 285         data = smb_fdata(data,
 286             "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
 287             maxbuf, unicodestr);
 288         break;
 289
 290     case 0x9:
 291         data = smb_fdata(data,
 292             "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken=[W]\n",
 293             maxbuf, unicodestr);
 294         break;
 295
 296     case 0xa:
 297         data = smb_fdata(data,
 298             "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken=[W]\n*Name=[S]\n",
 299             maxbuf, unicodestr);
 300         break;
 301
 302     case 0xd:
 303         data = smb_fdata(data,
 304             "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
 305             maxbuf, unicodestr);
 306         break;
 307
 308     case 0xe:
 309         data = smb_fdata(data,
 310             "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf, unicodestr);
 311         break;
 312
 313     default:
 314         data = smb_fdata(data, "Unknown Browser Frame ", maxbuf, unicodestr);
 315         break;
 316     }
 317     return;
 318 trunc:
 319     printf("[|SMB]");
 320     return;
 321 }
 322
 323
 324 static void
 325 print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
 326 {
 327     if (paramlen)
 328         smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen,
 329             unicodestr);
 330     if (datalen)
 331         smb_fdata(data, "IPC ", data + datalen, unicodestr);
 332 }
 333
 334
 335 static void
 336 print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
 337 {
 338     u_int bcc;
 339     const char *f1, *f2, *f3, *f4;
 340     const u_char *data, *param;
 341     const u_char *w = words + 1;
 342     int datalen, paramlen;
 343
 344     if (request) {
 345         TCHECK2(w[12 * 2], 2);
 346         paramlen = EXTRACT_LE_16BITS(w + 9 * 2);
 347         param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
 348         datalen = EXTRACT_LE_16BITS(w + 11 * 2);
 349         data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
 350         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";
 351         f2 = "|Name=[S]\n";
 352         f3 = "|Param ";
 353         f4 = "|Data ";
 354     } else {
 355         TCHECK2(w[7 * 2], 2);
 356         paramlen = EXTRACT_LE_16BITS(w + 3 * 2);
 357         param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
 358         datalen = EXTRACT_LE_16BITS(w + 6 * 2);
 359         data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
 360         f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n";
 361         f2 = "|Unknown ";
 362         f3 = "|Param ";
 363         f4 = "|Data ";
 364     }
 365
 366     smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf),
 367         unicodestr);
 368
 369     TCHECK2(*data1, 2);
 370     bcc = EXTRACT_LE_16BITS(data1);
 371     printf("smb_bcc=%u\n", bcc);
 372     if (bcc > 0) {
 373         smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen), unicodestr);
 374
 375         if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
 376             print_browse(param, paramlen, data, datalen);
 377             return;
 378         }
 379
 380         if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
 381             print_ipc(param, paramlen, data, datalen);
 382             return;
 383         }
 384
 385         if (paramlen)
 386             smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf), unicodestr);
 387         if (datalen)
 388             smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf), unicodestr);
 389     }
 390     return;
 391 trunc:
 392     printf("[|SMB]");
 393     return;
 394 }
 395
 396
 397 static void
 398 print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
 399 {
 400     u_int wct, bcc;
 401     const char *f1 = NULL, *f2 = NULL;
 402
 403     TCHECK(words[0]);
 404     wct = words[0];
 405     if (request)
 406         f2 = "*|Dialect=[Y]\n";
 407     else {
 408         if (wct == 1)
 409             f1 = "Core Protocol\nDialectIndex=[d]";
 410         else if (wct == 17)
 411             f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey=";
 412         else if (wct == 13)
 413             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=";
 414     }
 415
 416     if (f1)
 417         smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
 418             unicodestr);
 419     else
 420         print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
 421
 422     TCHECK2(*data, 2);
 423     bcc = EXTRACT_LE_16BITS(data);
 424     printf("smb_bcc=%u\n", bcc);
 425     if (bcc > 0) {
 426         if (f2)
 427             smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
 428                 maxbuf), unicodestr);
 429         else
 430             print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 431     }
 432     return;
 433 trunc:
 434     printf("[|SMB]");
 435     return;
 436 }
 437
 438 static void
 439 print_sesssetup(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
 440 {
 441     u_int wct, bcc;
 442     const char *f1 = NULL, *f2 = NULL;
 443
 444     TCHECK(words[0]);
 445     wct = words[0];
 446     if (request) {
 447         if (wct == 10)
 448             f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n";
 449         else
 450             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";
 451     } else {
 452         if (wct == 3) {
 453             f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
 454         } else if (wct == 13) {
 455             f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
 456             f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
 457         }
 458     }
 459
 460     if (f1)
 461         smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
 462             unicodestr);
 463     else
 464         print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
 465
 466     TCHECK2(*data, 2);
 467     bcc = EXTRACT_LE_16BITS(data);
 468     printf("smb_bcc=%u\n", bcc);
 469     if (bcc > 0) {
 470         if (f2)
 471             smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
 472                 maxbuf), unicodestr);
 473         else
 474             print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 475     }
 476     return;
 477 trunc:
 478     printf("[|SMB]");
 479     return;
 480 }
 481
 482 static void
 483 print_lockingandx(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
 484 {
 485     u_int wct, bcc;
 486     const u_char *maxwords;
 487     const char *f1 = NULL, *f2 = NULL;
 488
 489     TCHECK(words[0]);
 490     wct = words[0];
 491     if (request) {
 492         f1 = "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n";
 493         TCHECK(words[7]);
 494         if (words[7] & 0x10)
 495             f2 = "*Process=[d]\n[P2]Offset=[M]\nLength=[M]\n";
 496         else
 497             f2 = "*Process=[d]\nOffset=[D]\nLength=[D]\n";
 498     } else {
 499         f1 = "Com2=[w]\nOff2=[d]\n";
 500     }
 501
 502     maxwords = SMBMIN(words + 1 + wct * 2, maxbuf);
 503     if (wct)
 504         smb_fdata(words + 1, f1, maxwords, unicodestr);
 505
 506     TCHECK2(*data, 2);
 507     bcc = EXTRACT_LE_16BITS(data);
 508     printf("smb_bcc=%u\n", bcc);
 509     if (bcc > 0) {
 510         if (f2)
 511             smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
 512                 maxbuf), unicodestr);
 513         else
 514             print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 515     }
 516     return;
 517 trunc:
 518     printf("[|SMB]");
 519     return;
 520 }
 521
 522
 523 static struct smbfns smb_fns[] = {
 524     { -1, "SMBunknown", 0, DEFDESCRIPT },
 525
 526     { SMBtcon, "SMBtcon", 0,
 527         { NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
 528           "MaxXmit=[d]\nTreeId=[d]\n", NULL,
 529           NULL } },
 530
 531     { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
 532     { SMBexit,  "SMBexit", 0, DEFDESCRIPT },
 533     { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },
 534
 535     { SMBecho, "SMBecho", 0,
 536         { "ReverbCount=[d]\n", NULL,
 537           "SequenceNum=[d]\n", NULL,
 538           NULL } },
 539
 540     { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },
 541
 542     { SMBgetatr, "SMBgetatr", 0,
 543         { NULL, "Path=[Z]\n",
 544           "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
 545           NULL } },
 546
 547     { SMBsetatr, "SMBsetatr", 0,
 548         { "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
 549           NULL, NULL, NULL } },
 550
 551     { SMBchkpth, "SMBchkpth", 0,
 552        { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 553
 554     { SMBsearch, "SMBsearch", 0,
 555         { "Count=[d]\nAttrib=[A]\n",
 556           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n",
 557           "Count=[d]\n",
 558           "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",
 559           NULL } },
 560
 561     { SMBopen, "SMBopen", 0,
 562         { "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n",
 563           "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",
 564           NULL, NULL } },
 565
 566     { SMBcreate, "SMBcreate", 0,
 567         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 568
 569     { SMBmknew, "SMBmknew", 0,
 570         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 571
 572     { SMBunlink, "SMBunlink", 0,
 573         { "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } },
 574
 575     { SMBread, "SMBread", 0,
 576         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 577           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 578
 579     { SMBwrite, "SMBwrite", 0,
 580         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 581           "Count=[d]\n", NULL, NULL } },
 582
 583     { SMBclose, "SMBclose", 0,
 584         { "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } },
 585
 586     { SMBmkdir, "SMBmkdir", 0,
 587         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 588
 589     { SMBrmdir, "SMBrmdir", 0,
 590         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 591
 592     { SMBdskattr, "SMBdskattr", 0,
 593         { NULL, NULL,
 594           "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
 595           NULL, NULL } },
 596
 597     { SMBmv, "SMBmv", 0,
 598         { "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },
 599
 600     /*
 601      * this is a Pathworks specific call, allowing the
 602      * changing of the root path
 603      */
 604     { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 605
 606     { SMBlseek, "SMBlseek", 0,
 607         { "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } },
 608
 609     { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 610
 611     { SMBsplopen, "SMBsplopen", 0,
 612         { "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n",
 613           NULL, NULL } },
 614
 615     { SMBsplclose, "SMBsplclose", 0,
 616         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 617
 618     { SMBsplretq, "SMBsplretq", 0,
 619         { "MaxCount=[d]\nStartIndex=[d]\n", NULL,
 620           "Count=[d]\nIndex=[d]\n",
 621           "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n",
 622           NULL } },
 623
 624     { SMBsplwr, "SMBsplwr", 0,
 625         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 626
 627     { SMBlock, "SMBlock", 0,
 628         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 629
 630     { SMBunlock, "SMBunlock", 0,
 631         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 632
 633     /* CORE+ PROTOCOL FOLLOWS */
 634
 635     { SMBreadbraw, "SMBreadbraw", 0,
 636         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
 637           NULL, NULL, NULL, NULL } },
 638
 639     { SMBwritebraw, "SMBwritebraw", 0,
 640         { "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n",
 641           NULL, "WriteRawAck", NULL, NULL } },
 642
 643     { SMBwritec, "SMBwritec", 0,
 644         { NULL, NULL, "Count=[d]\n", NULL, NULL } },
 645
 646     { SMBwriteclose, "SMBwriteclose", 0,
 647         { "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
 648           NULL, "Count=[d]\n", NULL, NULL } },
 649
 650     { SMBlockread, "SMBlockread", 0,
 651         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 652           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 653
 654     { SMBwriteunlock, "SMBwriteunlock", 0,
 655         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 656           "Count=[d]\n", NULL, NULL } },
 657
 658     { SMBreadBmpx, "SMBreadBmpx", 0,
 659         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n",
 660           NULL,
 661           "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n",
 662           NULL, NULL } },
 663
 664     { SMBwriteBmpx, "SMBwriteBmpx", 0,
 665         { "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL,
 666           "Remaining=[d]\n", NULL, NULL } },
 667
 668     { SMBwriteBs, "SMBwriteBs", 0,
 669         { "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
 670           NULL, "Count=[d]\n", NULL, NULL } },
 671
 672     { SMBsetattrE, "SMBsetattrE", 0,
 673         { "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
 674           NULL, NULL, NULL } },
 675
 676     { SMBgetattrE, "SMBgetattrE", 0,
 677         { "Handle=[d]\n", NULL,
 678           "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
 679           NULL, NULL } },
 680
 681     { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
 682     { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },
 683
 684     { SMBcopy, "SMBcopy", 0,
 685         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 686           "CopyCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 687
 688     { SMBmove, "SMBmove", 0,
 689         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 690           "MoveCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 691
 692     { SMBopenX, "SMBopenX", FLG_CHAIN,
 693         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n",
 694           "Path=[S]\n",
 695           "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",
 696           NULL, NULL } },
 697
 698     { SMBreadX, "SMBreadX", FLG_CHAIN,
 699         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n",
 700           NULL,
 701           "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n",
 702           NULL, NULL } },
 703
 704     { SMBwriteX, "SMBwriteX", FLG_CHAIN,
 705         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n",
 706           NULL,
 707           "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
 708           NULL, NULL } },
 709
 710     { SMBffirst, "SMBffirst", 0,
 711         { "Count=[d]\nAttrib=[A]\n",
 712           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 713           "Count=[d]\n",
 714           "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",
 715           NULL } },
 716
 717     { SMBfunique, "SMBfunique", 0,
 718         { "Count=[d]\nAttrib=[A]\n",
 719           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 720           "Count=[d]\n",
 721           "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",
 722           NULL } },
 723
 724     { SMBfclose, "SMBfclose", 0,
 725         { "Count=[d]\nAttrib=[A]\n",
 726           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 727           "Count=[d]\n",
 728           "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",
 729           NULL } },
 730
 731     { SMBfindnclose, "SMBfindnclose", 0,
 732         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 733
 734     { SMBfindclose, "SMBfindclose", 0,
 735         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 736
 737     { SMBsends, "SMBsends", 0,
 738         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 739
 740     { SMBsendstrt, "SMBsendstrt", 0,
 741         { NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } },
 742
 743     { SMBsendend, "SMBsendend", 0,
 744         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 745
 746     { SMBsendtxt, "SMBsendtxt", 0,
 747         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 748
 749     { SMBsendb, "SMBsendb", 0,
 750         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 751
 752     { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT },
 753     { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT },
 754     { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT },
 755
 756     { SMBnegprot, "SMBnegprot", 0,
 757         { NULL, NULL, NULL, NULL, print_negprot } },
 758
 759     { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN,
 760         { NULL, NULL, NULL, NULL, print_sesssetup } },
 761
 762     { SMBtconX, "SMBtconX", FLG_CHAIN,
 763         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
 764           NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[R]\n", NULL } },
 765
 766     { SMBlockingX, "SMBlockingX", FLG_CHAIN,
 767         { NULL, NULL, NULL, NULL, print_lockingandx } },
 768
 769     { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
 770
 771     { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
 772     { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
 773     { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
 774     { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },
 775
 776     { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
 777     { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },
 778
 779     { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
 780         { "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",
 781           "Path=[C]\n",
 782           "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",
 783           NULL, NULL } },
 784
 785     { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },
 786
 787     { -1, NULL, 0, DEFDESCRIPT }
 788 };
 789
 790
 791 /*
 792  * print a SMB message
 793  */
 794 static void
 795 print_smb(const u_char *buf, const u_char *maxbuf)
 796 {
 797     u_int16_t flags2;
 798     int nterrcodes;
 799     int command;
 800     u_int32_t nterror;
 801     const u_char *words, *maxwords, *data;
 802     struct smbfns *fn;
 803     const char *fmt_smbheader =
 804         "[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";
 805     int smboffset;
 806
 807     TCHECK(buf[9]);
 808     request = (buf[9] & 0x80) ? 0 : 1;
 809     flags2 = EXTRACT_LE_16BITS(&buf[10]);
 810     unicodestr = flags2 & 0x8000;
 811     nterrcodes = flags2 & 0x4000;
 812     startbuf = buf;
 813
 814     command = buf[4];
 815
 816     fn = smbfind(command, smb_fns);
 817
 818     if (vflag > 1)
 819         printf("\n");
 820
 821     printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");
 822
 823     if (vflag < 2)
 824         return;
 825
 826     /* print out the header */
 827     smb_fdata(buf, fmt_smbheader, buf + 33, unicodestr);
 828
 829     if (nterrcodes) {
 830         nterror = EXTRACT_LE_32BITS(&buf[5]);
 831         if (nterror)
 832             printf("NTError = %s\n", nt_errstr(nterror));
 833     } else {
 834         if (buf[5])
 835             printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
 836     }
 837
 838     smboffset = 32;
 839
 840     for (;;) {
 841         const char *f1, *f2;
 842         int wct;
 843         u_int bcc;
 844         int newsmboffset;
 845
 846         words = buf + smboffset;
 847         TCHECK(words[0]);
 848         wct = words[0];
 849         data = words + 1 + wct * 2;
 850         maxwords = SMBMIN(data, maxbuf);
 851
 852         if (request) {
 853             f1 = fn->descript.req_f1;
 854             f2 = fn->descript.req_f2;
 855         } else {
 856             f1 = fn->descript.rep_f1;
 857             f2 = fn->descript.rep_f2;
 858         }
 859
 860         if (fn->descript.fn)
 861             (*fn->descript.fn)(words, data, buf, maxbuf);
 862         else {
 863             if (wct) {
 864                 if (f1)
 865                     smb_fdata(words + 1, f1, words + 1 + wct * 2, unicodestr);
 866                 else {
 867                     int i;
 868                     int v;
 869
 870                     for (i = 0; &words[1 + 2 * i] < maxwords; i++) {
 871                         TCHECK2(words[1 + 2 * i], 2);
 872                         v = EXTRACT_LE_16BITS(words + 1 + 2 * i);
 873                         printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v);
 874                     }
 875                 }
 876             }
 877
 878             TCHECK2(*data, 2);
 879             bcc = EXTRACT_LE_16BITS(data);
 880             printf("smb_bcc=%u\n", bcc);
 881             if (f2) {
 882                 if (bcc > 0)
 883                     smb_fdata(data + 2, f2, data + 2 + bcc, unicodestr);
 884             } else {
 885                 if (bcc > 0) {
 886                     printf("smb_buf[]=\n");
 887                     print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
 888                 }
 889             }
 890         }
 891
 892         if ((fn->flags & FLG_CHAIN) == 0)
 893             break;
 894         if (wct == 0)
 895             break;
 896         TCHECK(words[1]);
 897         command = words[1];
 898         if (command == 0xFF)
 899             break;
 900         TCHECK2(words[3], 2);
 901         newsmboffset = EXTRACT_LE_16BITS(words + 3);
 902
 903         fn = smbfind(command, smb_fns);
 904
 905         printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
 906             fn->name, request ? "REQUEST" : "REPLY");
 907         if (newsmboffset <= smboffset) {
 908             printf("Bad andX offset: %u <= %u\n", newsmboffset, smboffset);
 909             break;
 910         }
 911         smboffset = newsmboffset;
 912     }
 913
 914     printf("\n");
 915     return;
 916 trunc:
 917     printf("[|SMB]");
 918     return;
 919 }
 920
 921
 922 /*
 923  * print a NBT packet received across tcp on port 139
 924  */
 925 void
 926 nbt_tcp_print(const u_char *data, int length)
 927 {
 928     int caplen;
 929     int type;
 930     u_int nbt_len;
 931     const u_char *maxbuf;
 932
 933     if (length < 4)
 934         goto trunc;
 935     if (snapend < data)
 936         goto trunc;
 937     caplen = snapend - data;
 938     if (caplen < 4)
 939         goto trunc;
 940     maxbuf = data + caplen;
 941     type = data[0];
 942     nbt_len = EXTRACT_16BITS(data + 2);
 943     length -= 4;
 944     caplen -= 4;
 945
 946     startbuf = data;
 947
 948     if (vflag < 2) {
 949         printf(" NBT Session Packet: ");
 950         switch (type) {
 951         case 0x00:
 952             printf("Session Message");
 953             break;
 954
 955         case 0x81:
 956             printf("Session Request");
 957             break;
 958
 959         case 0x82:
 960             printf("Session Granted");
 961             break;
 962
 963         case 0x83:
 964           {
 965             int ecode;
 966
 967             if (nbt_len < 4)
 968                 goto trunc;
 969             if (length < 4)
 970                 goto trunc;
 971             if (caplen < 4)
 972                 goto trunc;
 973             ecode = data[4];
 974
 975             printf("Session Reject, ");
 976             switch (ecode) {
 977             case 0x80:
 978                 printf("Not listening on called name");
 979                 break;
 980             case 0x81:
 981                 printf("Not listening for calling name");
 982                 break;
 983             case 0x82:
 984                 printf("Called name not present");
 985                 break;
 986             case 0x83:
 987                 printf("Called name present, but insufficient resources");
 988                 break;
 989             default:
 990                 printf("Unspecified error 0x%X", ecode);
 991                 break;
 992             }
 993           }
 994             break;
 995
 996         case 0x85:
 997             printf("Session Keepalive");
 998             break;
 999
1000         default:
1001             data = smb_fdata(data, "Unknown packet type [rB]", maxbuf, 0);
1002             break;
1003         }
1004     } else {
1005         printf ("\n>>> NBT Session Packet\n");
1006         switch (type) {
1007         case 0x00:
1008             data = smb_fdata(data, "[P1]NBT Session Message\nFlags=[B]\nLength=[rd]\n",
1009                 data + 4, 0);
1010             if (data == NULL)
1011                 break;
1012             if (nbt_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) {
1013                 if ((int)nbt_len > caplen) {
1014                     if ((int)nbt_len > length)
1015                         printf("WARNING: Packet is continued in later TCP segments\n");
1016                     else
1017                         printf("WARNING: Short packet. Try increasing the snap length by %d\n",
1018                             nbt_len - caplen);
1019                 }
1020                 print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
1021             } else
1022                 printf("Session packet:(raw data or continuation?)\n");
1023             break;
1024
1025         case 0x81:
1026             data = smb_fdata(data,
1027                 "[P1]NBT Session Request\nFlags=[B]\nLength=[rd]\nDestination=[n1]\nSource=[n1]\n",
1028                 maxbuf, 0);
1029             break;
1030
1031         case 0x82:
1032             data = smb_fdata(data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
1033             break;
1034
1035         case 0x83:
1036           {
1037             const u_char *origdata;
1038             int ecode;
1039
1040             origdata = data;
1041             data = smb_fdata(data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[rd]\nReason=[B]\n",
1042                 maxbuf, 0);
1043             if (data == NULL)
1044                 break;
1045             if (nbt_len >= 1 && caplen >= 1) {
1046                 ecode = origdata[4];
1047                 switch (ecode) {
1048                 case 0x80:
1049                     printf("Not listening on called name\n");
1050                     break;
1051                 case 0x81:
1052                     printf("Not listening for calling name\n");
1053                     break;
1054                 case 0x82:
1055                     printf("Called name not present\n");
1056                     break;
1057                 case 0x83:
1058                     printf("Called name present, but insufficient resources\n");
1059                     break;
1060                 default:
1061                     printf("Unspecified error 0x%X\n", ecode);
1062                     break;
1063                 }
1064             }
1065           }
1066             break;
1067
1068         case 0x85:
1069             data = smb_fdata(data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
1070             break;
1071
1072         default:
1073             data = smb_fdata(data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0);
1074             break;
1075         }
1076         printf("\n");
1077         fflush(stdout);
1078     }
1079     return;
1080 trunc:
1081     printf("[|SMB]");
1082     return;
1083 }
1084
1085
1086 /*
1087  * print a NBT packet received across udp on port 137
1088  */
1089 void
1090 nbt_udp137_print(const u_char *data, int length)
1091 {
1092     const u_char *maxbuf = data + length;
1093     int name_trn_id, response, opcode, nm_flags, rcode;
1094     int qdcount, ancount, nscount, arcount;
1095     const char *opcodestr;
1096     const u_char *p;
1097     int total, i;
1098
1099     TCHECK2(data[10], 2);
1100     name_trn_id = EXTRACT_16BITS(data);
1101     response = (data[2] >> 7);
1102     opcode = (data[2] >> 3) & 0xF;
1103     nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
1104     rcode = data[3] & 0xF;
1105     qdcount = EXTRACT_16BITS(data + 4);
1106     ancount = EXTRACT_16BITS(data + 6);
1107     nscount = EXTRACT_16BITS(data + 8);
1108     arcount = EXTRACT_16BITS(data + 10);
1109     startbuf = data;
1110
1111     if (maxbuf <= data)
1112         return;
1113
1114     if (vflag > 1)
1115         printf("\n>>> ");
1116
1117     printf("NBT UDP PACKET(137): ");
1118
1119     switch (opcode) {
1120     case 0: opcodestr = "QUERY"; break;
1121     case 5: opcodestr = "REGISTRATION"; break;
1122     case 6: opcodestr = "RELEASE"; break;
1123     case 7: opcodestr = "WACK"; break;
1124     case 8: opcodestr = "REFRESH(8)"; break;
1125     case 9: opcodestr = "REFRESH"; break;
1126     case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
1127     default: opcodestr = "OPUNKNOWN"; break;
1128     }
1129     printf("%s", opcodestr);
1130     if (response) {
1131         if (rcode)
1132             printf("; NEGATIVE");
1133         else
1134             printf("; POSITIVE");
1135     }
1136
1137     if (response)
1138         printf("; RESPONSE");
1139     else
1140         printf("; REQUEST");
1141
1142     if (nm_flags & 1)
1143         printf("; BROADCAST");
1144     else
1145         printf("; UNICAST");
1146
1147     if (vflag < 2)
1148         return;
1149
1150     printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
1151         name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
1152         arcount);
1153
1154     p = data + 12;
1155
1156     total = ancount + nscount + arcount;
1157
1158     if (qdcount > 100 || total > 100) {
1159         printf("Corrupt packet??\n");
1160         return;
1161     }
1162
1163     if (qdcount) {
1164         printf("QuestionRecords:\n");
1165         for (i = 0; i < qdcount; i++) {
1166             p = smb_fdata(p,
1167                 "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
1168                 maxbuf, 0);
1169             if (p == NULL)
1170                 goto out;
1171         }
1172     }
1173
1174     if (total) {
1175         printf("\nResourceRecords:\n");
1176         for (i = 0; i < total; i++) {
1177             int rdlen;
1178             int restype;
1179
1180             p = smb_fdata(p, "Name=[n1]\n#", maxbuf, 0);
1181             if (p == NULL)
1182                 goto out;
1183             restype = EXTRACT_16BITS(p);
1184             p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0);
1185             if (p == NULL)
1186                 goto out;
1187             rdlen = EXTRACT_16BITS(p);
1188             printf("ResourceLength=%d\nResourceData=\n", rdlen);
1189             p += 2;
1190             if (rdlen == 6) {
1191                 p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen, 0);
1192                 if (p == NULL)
1193                     goto out;
1194             } else {
1195                 if (restype == 0x21) {
1196                     int numnames;
1197
1198                     TCHECK(*p);
1199                     numnames = p[0];
1200                     p = smb_fdata(p, "NumNames=[B]\n", p + 1, 0);
1201                     if (p == NULL)
1202                         goto out;
1203                     while (numnames--) {
1204                         p = smb_fdata(p, "Name=[n2]\t#", maxbuf, 0);
1205                         if (p == NULL)
1206                             goto out;
1207                         TCHECK(*p);
1208                         if (p[0] & 0x80)
1209                             printf("<GROUP> ");
1210                         switch (p[0] & 0x60) {
1211                         case 0x00: printf("B "); break;
1212                         case 0x20: printf("P "); break;
1213                         case 0x40: printf("M "); break;
1214                         case 0x60: printf("_ "); break;
1215                         }
1216                         if (p[0] & 0x10)
1217                             printf("<DEREGISTERING> ");
1218                         if (p[0] & 0x08)
1219                             printf("<CONFLICT> ");
1220                         if (p[0] & 0x04)
1221                             printf("<ACTIVE> ");
1222                         if (p[0] & 0x02)
1223                             printf("<PERMANENT> ");
1224                         printf("\n");
1225                         p += 2;
1226                     }
1227                 } else {
1228                     print_data(p, min(rdlen, length - (p - data)));
1229                     p += rdlen;
1230                 }
1231             }
1232         }
1233     }
1234
1235     if (p < maxbuf)
1236         smb_fdata(p, "AdditionalData:\n", maxbuf, 0);
1237
1238 out:
1239     printf("\n");
1240     fflush(stdout);
1241     return;
1242 trunc:
1243     printf("[|SMB]");
1244     return;
1245 }
1246
1247
1248
1249 /*
1250  * print a NBT packet received across udp on port 138
1251  */
1252 void
1253 nbt_udp138_print(const u_char *data, int length)
1254 {
1255     const u_char *maxbuf = data + length;
1256
1257     if (maxbuf > snapend)
1258         maxbuf = snapend;
1259     if (maxbuf <= data)
1260         return;
1261     startbuf = data;
1262
1263     if (vflag < 2) {
1264         printf("NBT UDP PACKET(138)");
1265         return;
1266     }
1267
1268     data = smb_fdata(data,
1269         "\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#",
1270         maxbuf, 0);
1271
1272     if (data != NULL) {
1273         /* If there isn't enough data for "\377SMB", don't check for it. */
1274         if (&data[3] >= maxbuf)
1275             goto out;
1276
1277         if (memcmp(data, "\377SMB",4) == 0)
1278             print_smb(data, maxbuf);
1279     }
1280 out:
1281     printf("\n");
1282     fflush(stdout);
1283 }
1284
1285
1286 /*
1287    print netbeui frames
1288 */
1289 struct nbf_strings {
1290         const char      *name;
1291         const char      *nonverbose;
1292         const char      *verbose;
1293 } nbf_strings[0x20] = {
1294         { "Add Group Name Query", ", [P23]Name to add=[n2]#",
1295           "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1296         { "Add Name Query", ", [P23]Name to add=[n2]#",
1297           "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1298         { "Name In Conflict", NULL, NULL },
1299         { "Status Query", NULL, NULL },
1300         { NULL, NULL, NULL },   /* not used */
1301         { NULL, NULL, NULL },   /* not used */
1302         { NULL, NULL, NULL },   /* not used */
1303         { "Terminate Trace", NULL, NULL },
1304         { "Datagram", NULL,
1305           "[P7]Destination=[n2]\nSource=[n2]\n" },
1306         { "Broadcast Datagram", NULL,
1307           "[P7]Destination=[n2]\nSource=[n2]\n" },
1308         { "Name Query", ", [P7]Name=[n2]#",
1309           "[P1]SessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nName=[n2]\nName of sender=[n2]\n" },
1310         { NULL, NULL, NULL },   /* not used */
1311         { NULL, NULL, NULL },   /* not used */
1312         { "Add Name Response", ", [P1]GroupName=[w] [P4]Destination=[n2] Source=[n2]#",
1313           "AddNameInProcess=[B]\nGroupName=[w]\nTransmitCorrelator=[w][P2]\nDestination=[n2]\nSource=[n2]\n" },
1314         { "Name Recognized", NULL,
1315           "[P1]Data2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n" },
1316         { "Status Response", NULL, NULL },
1317         { NULL, NULL, NULL },   /* not used */
1318         { NULL, NULL, NULL },   /* not used */
1319         { NULL, NULL, NULL },   /* not used */
1320         { "Terminate Trace", NULL, NULL },
1321         { "Data Ack", NULL,
1322           "[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1323         { "Data First/Middle", NULL,
1324           "Flags=[{RECEIVE_CONTINUE|NO_ACK||PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1325         { "Data Only/Last", NULL,
1326           "Flags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1327         { "Session Confirm", NULL,
1328           "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1329         { "Session End", NULL,
1330           "[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1331         { "Session Initialize", NULL,
1332           "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1333         { "No Receive", NULL,
1334           "Flags=[{|SEND_NO_ACK}]\nDataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1335         { "Receive Outstanding", NULL,
1336           "[P1]DataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1337         { "Receive Continue", NULL,
1338           "[P2]TransmitCorrelator=[w]\n[P2]RemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1339         { NULL, NULL, NULL },   /* not used */
1340         { NULL, NULL, NULL },   /* not used */
1341         { "Session Alive", NULL, NULL }
1342 };
1343
1344 void
1345 netbeui_print(u_short control, const u_char *data, int length)
1346 {
1347     const u_char *maxbuf = data + length;
1348     int len;
1349     int command;
1350     const u_char *data2;
1351     int is_truncated = 0;
1352
1353     if (maxbuf > snapend)
1354         maxbuf = snapend;
1355     TCHECK(data[4]);
1356     len = EXTRACT_LE_16BITS(data);
1357     command = data[4];
1358     data2 = data + len;
1359     if (data2 >= maxbuf) {
1360         data2 = maxbuf;
1361         is_truncated = 1;
1362     }
1363
1364     startbuf = data;
1365
1366     if (vflag < 2) {
1367         printf("NBF Packet: ");
1368         data = smb_fdata(data, "[P5]#", maxbuf, 0);
1369     } else {
1370         printf("\n>>> NBF Packet\nType=0x%X ", control);
1371         data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf, 0);
1372     }
1373     if (data == NULL)
1374         goto out;
1375
1376     if (command > 0x1f || nbf_strings[command].name == NULL) {
1377         if (vflag < 2)
1378             data = smb_fdata(data, "Unknown NBF Command#", data2, 0);
1379         else
1380             data = smb_fdata(data, "Unknown NBF Command\n", data2, 0);
1381     } else {
1382         if (vflag < 2) {
1383             printf("%s", nbf_strings[command].name);
1384             if (nbf_strings[command].nonverbose != NULL)
1385                 data = smb_fdata(data, nbf_strings[command].nonverbose, data2, 0);
1386         } else {
1387             printf("%s:\n", nbf_strings[command].name);
1388             if (nbf_strings[command].verbose != NULL)
1389                 data = smb_fdata(data, nbf_strings[command].verbose, data2, 0);
1390             else
1391                 printf("\n");
1392         }
1393     }
1394
1395     if (vflag < 2)
1396         return;
1397
1398     if (data == NULL)
1399         goto out;
1400
1401     if (is_truncated) {
1402         /* data2 was past the end of the buffer */
1403         goto out;
1404     }
1405
1406     /* If this isn't a command that would contain an SMB message, quit. */
1407     if (command != 0x08 && command != 0x09 && command != 0x15 &&
1408         command != 0x16)
1409         goto out;
1410
1411     /* If there isn't enough data for "\377SMB", don't look for it. */
1412     if (&data2[3] >= maxbuf)
1413         goto out;
1414
1415     if (memcmp(data2, "\377SMB",4) == 0)
1416         print_smb(data2, maxbuf);
1417     else {
1418         int i;
1419         for (i = 0; i < 128; i++) {
1420             if (&data2[i + 3] >= maxbuf)
1421                 break;
1422             if (memcmp(&data2[i], "\377SMB", 4) == 0) {
1423                 printf("found SMB packet at %d\n", i);
1424                 print_smb(&data2[i], maxbuf);
1425                 break;
1426             }
1427         }
1428     }
1429
1430 out:
1431     printf("\n");
1432     return;
1433 trunc:
1434     printf("[|SMB]");
1435     return;
1436 }
1437
1438
1439 /*
1440  * print IPX-Netbios frames
1441  */
1442 void
1443 ipx_netbios_print(const u_char *data, u_int length)
1444 {
1445     /*
1446      * this is a hack till I work out how to parse the rest of the
1447      * NetBIOS-over-IPX stuff
1448      */
1449     int i;
1450     const u_char *maxbuf;
1451
1452     maxbuf = data + length;
1453     /* Don't go past the end of the captured data in the packet. */
1454     if (maxbuf > snapend)
1455         maxbuf = snapend;
1456     startbuf = data;
1457     for (i = 0; i < 128; i++) {
1458         if (&data[i + 4] > maxbuf)
1459             break;
1460         if (memcmp(&data[i], "\377SMB", 4) == 0) {
1461             smb_fdata(data, "\n>>> IPX transport ", &data[i], 0);
1462             if (data != NULL)
1463                 print_smb(&data[i], maxbuf);
1464             printf("\n");
1465             fflush(stdout);
1466             break;
1467         }
1468     }
1469     if (i == 128)
1470         smb_fdata(data, "\n>>> Unknown IPX ", maxbuf, 0);
1471 }