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 1.35 2004-12-28 11:18:29 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
  29 const u_char *startbuf = NULL;
  30
  31 struct smbdescript {
  32     const char *req_f1;
  33     const char *req_f2;
  34     const char *rep_f1;
  35     const char *rep_f2;
  36     void (*fn)(const u_char *, const u_char *, const u_char *, const u_char *);
  37 };
  38
  39 struct smbdescriptint {
  40     const char *req_f1;
  41     const char *req_f2;
  42     const char *rep_f1;
  43     const char *rep_f2;
  44     void (*fn)(const u_char *, const u_char *, int, int);
  45 };
  46
  47 struct smbfns
  48 {
  49     int id;
  50     const char *name;
  51     int flags;
  52     struct smbdescript descript;
  53 };
  54
  55 struct smbfnsint
  56 {
  57     int id;
  58     const char *name;
  59     int flags;
  60     struct smbdescriptint descript;
  61 };
  62
  63 #define DEFDESCRIPT     { NULL, NULL, NULL, NULL, NULL }
  64
  65 #define FLG_CHAIN       (1 << 0)
  66
  67 static struct smbfns *
  68 smbfind(int id, struct smbfns *list)
  69 {
  70     int sindex;
  71
  72     for (sindex = 0; list[sindex].name; sindex++)
  73         if (list[sindex].id == id)
  74             return(&list[sindex]);
  75
  76     return(&list[0]);
  77 }
  78
  79 static struct smbfnsint *
  80 smbfindint(int id, struct smbfnsint *list)
  81 {
  82     int sindex;
  83
  84     for (sindex = 0; list[sindex].name; sindex++)
  85         if (list[sindex].id == id)
  86             return(&list[sindex]);
  87
  88     return(&list[0]);
  89 }
  90
  91 static void
  92 trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
  93 {
  94     const char *fmt;
  95
  96     if (request)
  97         fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP5]\nFile=[S]\n";
  98     else
  99         fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n";
 100
 101     smb_fdata(param, fmt, param + pcnt);
 102     if (dcnt) {
 103         printf("data:\n");
 104         print_data(data, dcnt);
 105     }
 106 }
 107
 108 static void
 109 trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
 110 {
 111     static int level = 0;
 112     const char *fmt="";
 113
 114     if (request) {
 115         TCHECK2(*param, 2);
 116         level = EXTRACT_LE_16BITS(param);
 117         fmt = "InfoLevel=[d]\n";
 118         smb_fdata(param, fmt, param + pcnt);
 119     } else {
 120         switch (level) {
 121         case 1:
 122             fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n";
 123             break;
 124         case 2:
 125             fmt = "CreationTime=[T2]VolNameLength=[B]\nVolumeLabel=[s12]\n";
 126             break;
 127         case 0x105:
 128             fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[D]\nVolume=[S]\n";
 129             break;
 130         default:
 131             fmt = "UnknownLevel\n";
 132             break;
 133         }
 134         smb_fdata(data, fmt, data + dcnt);
 135     }
 136     if (dcnt) {
 137         printf("data:\n");
 138         print_data(data, dcnt);
 139     }
 140     return;
 141 trunc:
 142     printf("[|SMB]");
 143     return;
 144 }
 145
 146 struct smbfnsint trans2_fns[] = {
 147     { 0, "TRANSACT2_OPEN", 0,
 148         { "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[D]\nRes=([w, w, w, w, w])\nPath=[S]",
 149           NULL,
 150           "Handle=[d]\nAttrib=[A]\nTime=[T2]\nSize=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[d]\n|EALength=[d]\n",
 151           NULL, NULL }},
 152     { 1, "TRANSACT2_FINDFIRST", 0,
 153         { NULL, NULL, NULL, NULL, trans2_findfirst }},
 154     { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT },
 155     { 3, "TRANSACT2_QFSINFO", 0,
 156         { NULL, NULL, NULL, NULL, trans2_qfsinfo }},
 157     { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT },
 158     { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT },
 159     { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT },
 160     { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT },
 161     { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT },
 162     { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT },
 163     { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT },
 164     { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT },
 165     { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT },
 166     { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT },
 167     { -1, NULL, 0, DEFDESCRIPT }
 168 };
 169
 170
 171 static void
 172 print_trans2(const u_char *words, const u_char *dat _U_, const u_char *buf, const u_char *maxbuf)
 173 {
 174     static struct smbfnsint *fn = &trans2_fns[0];
 175     const u_char *data, *param;
 176     const u_char *w = words + 1;
 177     const char *f1 = NULL, *f2 = NULL;
 178     int pcnt, dcnt;
 179
 180     TCHECK(words[0]);
 181     if (request) {
 182         TCHECK2(w[14 * 2], 2);
 183         pcnt = EXTRACT_LE_16BITS(w + 9 * 2);
 184         param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
 185         dcnt = EXTRACT_LE_16BITS(w + 11 * 2);
 186         data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
 187         fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
 188     } else {
 189         if (words[0] == 0) {
 190             printf("%s\n", fn->name);
 191             printf("Trans2Interim\n");
 192             return;
 193         }
 194         TCHECK2(w[7 * 2], 2);
 195         pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
 196         param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
 197         dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
 198         data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
 199     }
 200
 201     printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);
 202
 203     if (request) {
 204         if (words[0] == 8) {
 205             smb_fdata(words + 1,
 206                 "Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
 207                 maxbuf);
 208             return;
 209         } else {
 210             smb_fdata(words + 1,
 211                 "TotParam=[d]\nTotData=[d]\nMaxParam=[d]\nMaxData=[d]\nMaxSetup=[d]\nFlags=[w]\nTimeOut=[D]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nDataCnt=[d]\nDataOff=[d]\nSetupCnt=[d]\n",
 212                 words + 1 + 14 * 2);
 213             smb_fdata(data + 1, "TransactionName=[S]\n%", maxbuf);
 214         }
 215         f1 = fn->descript.req_f1;
 216         f2 = fn->descript.req_f2;
 217     } else {
 218         smb_fdata(words + 1,
 219             "TotParam=[d]\nTotData=[d]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nParamDisp[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nSetupCnt=[d]\n",
 220             words + 1 + 10 * 2);
 221         f1 = fn->descript.rep_f1;
 222         f2 = fn->descript.rep_f2;
 223     }
 224
 225     if (fn->descript.fn)
 226         (*fn->descript.fn)(param, data, pcnt, dcnt);
 227     else {
 228         smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt);
 229         smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt);
 230     }
 231     return;
 232 trunc:
 233     printf("[|SMB]");
 234     return;
 235 }
 236
 237
 238 static void
 239 print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
 240 {
 241     const u_char *maxbuf = data + datalen;
 242     int command;
 243
 244     TCHECK(data[0]);
 245     command = data[0];
 246
 247     smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen);
 248
 249     switch (command) {
 250     case 0xF:
 251         data = smb_fdata(data,
 252             "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 253             maxbuf);
 254         break;
 255
 256     case 0x1:
 257         data = smb_fdata(data,
 258             "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 259             maxbuf);
 260         break;
 261
 262     case 0x2:
 263         data = smb_fdata(data,
 264             "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
 265             maxbuf);
 266         break;
 267
 268     case 0xc:
 269         data = smb_fdata(data,
 270             "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n",
 271             maxbuf);
 272         break;
 273
 274     case 0x8:
 275         data = smb_fdata(data,
 276             "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
 277             maxbuf);
 278         break;
 279
 280     case 0xb:
 281         data = smb_fdata(data,
 282             "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
 283             maxbuf);
 284         break;
 285
 286     case 0x9:
 287         data = smb_fdata(data,
 288             "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken?=[B]\n",
 289             maxbuf);
 290         break;
 291
 292     case 0xa:
 293         data = smb_fdata(data,
 294             "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken?=[B]*Name=[S]\n",
 295             maxbuf);
 296         break;
 297
 298     case 0xd:
 299         data = smb_fdata(data,
 300             "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
 301             maxbuf);
 302         break;
 303
 304     case 0xe:
 305         data = smb_fdata(data,
 306             "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf);
 307         break;
 308
 309     default:
 310         data = smb_fdata(data, "Unknown Browser Frame ", maxbuf);
 311         break;
 312     }
 313     return;
 314 trunc:
 315     printf("[|SMB]");
 316     return;
 317 }
 318
 319
 320 static void
 321 print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
 322 {
 323     if (paramlen)
 324         smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen);
 325     if (datalen)
 326         smb_fdata(data, "IPC ", data + datalen);
 327 }
 328
 329
 330 static void
 331 print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
 332 {
 333     u_int bcc;
 334     const char *f1, *f2, *f3, *f4;
 335     const u_char *data, *param;
 336     const u_char *w = words + 1;
 337     int datalen, paramlen;
 338
 339     if (request) {
 340         TCHECK2(w[12 * 2], 2);
 341         paramlen = EXTRACT_LE_16BITS(w + 9 * 2);
 342         param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
 343         datalen = EXTRACT_LE_16BITS(w + 11 * 2);
 344         data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
 345         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";
 346         f2 = "|Name=[S]\n";
 347         f3 = "|Param ";
 348         f4 = "|Data ";
 349     } else {
 350         TCHECK2(w[7 * 2], 2);
 351         paramlen = EXTRACT_LE_16BITS(w + 3 * 2);
 352         param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
 353         datalen = EXTRACT_LE_16BITS(w + 6 * 2);
 354         data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
 355         f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n";
 356         f2 = "|Unknown ";
 357         f3 = "|Param ";
 358         f4 = "|Data ";
 359     }
 360
 361     smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf));
 362
 363     TCHECK2(*data1, 2);
 364     bcc = EXTRACT_LE_16BITS(data1);
 365     printf("smb_bcc=%u\n", bcc);
 366     if (bcc > 0) {
 367         smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen));
 368
 369         if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
 370             print_browse(param, paramlen, data, datalen);
 371             return;
 372         }
 373
 374         if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
 375             print_ipc(param, paramlen, data, datalen);
 376             return;
 377         }
 378
 379         if (paramlen)
 380             smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf));
 381         if (datalen)
 382             smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf));
 383     }
 384     return;
 385 trunc:
 386     printf("[|SMB]");
 387     return;
 388 }
 389
 390
 391 static void
 392 print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
 393 {
 394     u_int wct, bcc;
 395     const char *f1 = NULL, *f2 = NULL;
 396
 397     TCHECK(words[0]);
 398     wct = words[0];
 399     if (request)
 400         f2 = "*|Dialect=[Z]\n";
 401     else {
 402         if (wct == 1)
 403             f1 = "Core Protocol\nDialectIndex=[d]";
 404         else if (wct == 17)
 405             f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey=";
 406         else if (wct == 13)
 407             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=";
 408     }
 409
 410     if (f1)
 411         smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf));
 412     else
 413         print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
 414
 415     TCHECK2(*data, 2);
 416     bcc = EXTRACT_LE_16BITS(data);
 417     printf("smb_bcc=%u\n", bcc);
 418     if (bcc > 0) {
 419         if (f2)
 420             smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf));
 421         else
 422             print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 423     }
 424     return;
 425 trunc:
 426     printf("[|SMB]");
 427     return;
 428 }
 429
 430 static void
 431 print_sesssetup(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
 432 {
 433     u_int wct, bcc;
 434     const char *f1 = NULL, *f2 = NULL;
 435
 436     TCHECK(words[0]);
 437     wct = words[0];
 438     if (request) {
 439         if (wct == 10)
 440             f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n";
 441         else
 442             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";
 443     } else {
 444         if (wct == 3) {
 445             f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
 446         } else if (wct == 13) {
 447             f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
 448             f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
 449         }
 450     }
 451
 452     if (f1)
 453         smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf));
 454     else
 455         print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
 456
 457     TCHECK2(*data, 2);
 458     bcc = EXTRACT_LE_16BITS(data);
 459     printf("smb_bcc=%u\n", bcc);
 460     if (bcc > 0) {
 461         if (f2)
 462             smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf));
 463         else
 464             print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 465     }
 466     return;
 467 trunc:
 468     printf("[|SMB]");
 469     return;
 470 }
 471
 472
 473 static struct smbfns smb_fns[] = {
 474     { -1, "SMBunknown", 0, DEFDESCRIPT },
 475
 476     { SMBtcon, "SMBtcon", 0,
 477         { NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
 478           "MaxXmit=[d]\nTreeId=[d]\n", NULL,
 479           NULL } },
 480
 481     { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
 482     { SMBexit,  "SMBexit", 0, DEFDESCRIPT },
 483     { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },
 484
 485     { SMBecho, "SMBecho", 0,
 486         { "ReverbCount=[d]\n", NULL,
 487           "SequenceNum=[d]\n", NULL,
 488           NULL } },
 489
 490     { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },
 491
 492     { SMBgetatr, "SMBgetatr", 0,
 493         { NULL, "Path=[Z]\n",
 494           "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
 495           NULL } },
 496
 497     { SMBsetatr, "SMBsetatr", 0,
 498         { "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
 499           NULL, NULL, NULL } },
 500
 501     { SMBchkpth, "SMBchkpth", 0,
 502        { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 503
 504     { SMBsearch, "SMBsearch", 0,
 505         { "Count=[d]\nAttrib=[A]\n",
 506           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n",
 507           "Count=[d]\n",
 508           "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",
 509           NULL } },
 510
 511     { SMBopen, "SMBopen", 0,
 512         { "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n",
 513           "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",
 514           NULL, NULL } },
 515
 516     { SMBcreate, "SMBcreate", 0,
 517         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 518
 519     { SMBmknew, "SMBmknew", 0,
 520         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 521
 522     { SMBunlink, "SMBunlink", 0,
 523         { "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } },
 524
 525     { SMBread, "SMBread", 0,
 526         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 527           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 528
 529     { SMBwrite, "SMBwrite", 0,
 530         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 531           "Count=[d]\n", NULL, NULL } },
 532
 533     { SMBclose, "SMBclose", 0,
 534         { "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } },
 535
 536     { SMBmkdir, "SMBmkdir", 0,
 537         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 538
 539     { SMBrmdir, "SMBrmdir", 0,
 540         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 541
 542     { SMBdskattr, "SMBdskattr", 0,
 543         { NULL, NULL,
 544           "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
 545           NULL, NULL } },
 546
 547     { SMBmv, "SMBmv", 0,
 548         { "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },
 549
 550     /*
 551      * this is a Pathworks specific call, allowing the
 552      * changing of the root path
 553      */
 554     { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 555
 556     { SMBlseek, "SMBlseek", 0,
 557         { "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } },
 558
 559     { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 560
 561     { SMBsplopen, "SMBsplopen", 0,
 562         { "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n",
 563           NULL, NULL } },
 564
 565     { SMBsplclose, "SMBsplclose", 0,
 566         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 567
 568     { SMBsplretq, "SMBsplretq", 0,
 569         { "MaxCount=[d]\nStartIndex=[d]\n", NULL,
 570           "Count=[d]\nIndex=[d]\n",
 571           "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n",
 572           NULL } },
 573
 574     { SMBsplwr, "SMBsplwr", 0,
 575         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 576
 577     { SMBlock, "SMBlock", 0,
 578         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 579
 580     { SMBunlock, "SMBunlock", 0,
 581         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 582
 583     /* CORE+ PROTOCOL FOLLOWS */
 584
 585     { SMBreadbraw, "SMBreadbraw", 0,
 586         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
 587           NULL, NULL, NULL, NULL } },
 588
 589     { SMBwritebraw, "SMBwritebraw", 0,
 590         { "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n",
 591           NULL, "WriteRawAck", NULL, NULL } },
 592
 593     { SMBwritec, "SMBwritec", 0,
 594         { NULL, NULL, "Count=[d]\n", NULL, NULL } },
 595
 596     { SMBwriteclose, "SMBwriteclose", 0,
 597         { "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
 598           NULL, "Count=[d]\n", NULL, NULL } },
 599
 600     { SMBlockread, "SMBlockread", 0,
 601         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 602           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 603
 604     { SMBwriteunlock, "SMBwriteunlock", 0,
 605         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 606           "Count=[d]\n", NULL, NULL } },
 607
 608     { SMBreadBmpx, "SMBreadBmpx", 0,
 609         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n",
 610           NULL,
 611           "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n",
 612           NULL, NULL } },
 613
 614     { SMBwriteBmpx, "SMBwriteBmpx", 0,
 615         { "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL,
 616           "Remaining=[d]\n", NULL, NULL } },
 617
 618     { SMBwriteBs, "SMBwriteBs", 0,
 619         { "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
 620           NULL, "Count=[d]\n", NULL, NULL } },
 621
 622     { SMBsetattrE, "SMBsetattrE", 0,
 623         { "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
 624           NULL, NULL, NULL } },
 625
 626     { SMBgetattrE, "SMBgetattrE", 0,
 627         { "Handle=[d]\n", NULL,
 628           "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
 629           NULL, NULL } },
 630
 631     { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
 632     { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },
 633
 634     { SMBcopy, "SMBcopy", 0,
 635         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 636           "CopyCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 637
 638     { SMBmove, "SMBmove", 0,
 639         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 640           "MoveCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 641
 642     { SMBopenX, "SMBopenX", FLG_CHAIN,
 643         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n",
 644           "Path=[S]\n",
 645           "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",
 646           NULL, NULL } },
 647
 648     { SMBreadX, "SMBreadX", FLG_CHAIN,
 649         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n",
 650           NULL,
 651           "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n",
 652           NULL, NULL } },
 653
 654     { SMBwriteX, "SMBwriteX", FLG_CHAIN,
 655         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n",
 656           NULL,
 657           "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
 658           NULL, NULL } },
 659
 660     { SMBlockingX, "SMBlockingX", FLG_CHAIN,
 661         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n",
 662           "*Process=[d]\nOffset=[D]\nLength=[D]\n",
 663           "Com2=[w]\nOff2=[d]\n", NULL, NULL } },
 664
 665     { SMBffirst, "SMBffirst", 0,
 666         { "Count=[d]\nAttrib=[A]\n",
 667           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 668           "Count=[d]\n",
 669           "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",
 670           NULL } },
 671
 672     { SMBfunique, "SMBfunique", 0,
 673         { "Count=[d]\nAttrib=[A]\n",
 674           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 675           "Count=[d]\n",
 676           "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",
 677           NULL } },
 678
 679     { SMBfclose, "SMBfclose", 0,
 680         { "Count=[d]\nAttrib=[A]\n",
 681           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 682           "Count=[d]\n",
 683           "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",
 684           NULL } },
 685
 686     { SMBfindnclose, "SMBfindnclose", 0,
 687         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 688
 689     { SMBfindclose, "SMBfindclose", 0,
 690         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 691
 692     { SMBsends, "SMBsends", 0,
 693         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 694
 695     { SMBsendstrt, "SMBsendstrt", 0,
 696         { NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } },
 697
 698     { SMBsendend, "SMBsendend", 0,
 699         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 700
 701     { SMBsendtxt, "SMBsendtxt", 0,
 702         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 703
 704     { SMBsendb, "SMBsendb", 0,
 705         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 706
 707     { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT },
 708     { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT },
 709     { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT },
 710
 711     { SMBnegprot, "SMBnegprot", 0,
 712         { NULL, NULL, NULL, NULL, print_negprot } },
 713
 714     { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN,
 715         { NULL, NULL, NULL, NULL, print_sesssetup } },
 716
 717     { SMBtconX, "SMBtconX", FLG_CHAIN,
 718         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
 719           NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[S]\n", NULL } },
 720
 721     { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
 722
 723     { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
 724     { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
 725     { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
 726     { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },
 727
 728     { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
 729     { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },
 730
 731     { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
 732         { "Com2=[w]\nOff2=[d]\nRes=[b]\nNameLen=[d]\nFlags=[W]\nRootDirectoryFid=[D]\nAccessMask=[W]\nAllocationSize=[L]\nExtFileAttributes=[W]\nShareAccess=[W]\nCreateDisposition=[W]\nCreateOptions=[W]\nImpersonationLevel=[W]\nSecurityFlags=[b]\n",
 733           "Path=[S]\n",
 734           "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",
 735           NULL, NULL } },
 736
 737     { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },
 738
 739     { -1, NULL, 0, DEFDESCRIPT }
 740 };
 741
 742
 743 /*
 744  * print a SMB message
 745  */
 746 static void
 747 print_smb(const u_char *buf, const u_char *maxbuf)
 748 {
 749     int command;
 750     const u_char *words, *maxwords, *data;
 751     struct smbfns *fn;
 752     const char *fmt_smbheader =
 753         "[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";
 754     int smboffset;
 755
 756     TCHECK(buf[9]);
 757     request = (buf[9] & 0x80) ? 0 : 1;
 758
 759     command = buf[4];
 760
 761     fn = smbfind(command, smb_fns);
 762
 763     if (vflag > 1)
 764         printf("\n");
 765
 766     printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");
 767
 768     if (vflag < 2)
 769         return;
 770
 771     /* print out the header */
 772     smb_fdata(buf, fmt_smbheader, buf + 33);
 773
 774     if (buf[5])
 775         printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
 776
 777     smboffset = 32;
 778
 779     for (;;) {
 780         const char *f1, *f2;
 781         int wct;
 782         u_int bcc;
 783         int newsmboffset;
 784
 785         words = buf + smboffset;
 786         TCHECK(words[0]);
 787         wct = words[0];
 788         data = words + 1 + wct * 2;
 789         maxwords = SMBMIN(data, maxbuf);
 790
 791         if (request) {
 792             f1 = fn->descript.req_f1;
 793             f2 = fn->descript.req_f2;
 794         } else {
 795             f1 = fn->descript.rep_f1;
 796             f2 = fn->descript.rep_f2;
 797         }
 798
 799         if (fn->descript.fn)
 800             (*fn->descript.fn)(words, data, buf, maxbuf);
 801         else {
 802             if (wct) {
 803                 if (f1)
 804                     smb_fdata(words + 1, f1, maxwords);
 805                 else {
 806                     int i;
 807                     int v;
 808
 809                     for (i = 0; &words[1 + 2 * i] < maxwords; i++) {
 810                         TCHECK2(words[1 + 2 * i], 2);
 811                         v = EXTRACT_LE_16BITS(words + 1 + 2 * i);
 812                         printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v);
 813                     }
 814                 }
 815             }
 816
 817             TCHECK2(*data, 2);
 818             bcc = EXTRACT_LE_16BITS(data);
 819             printf("smb_bcc=%u\n", bcc);
 820             if (f2) {
 821                 if (bcc > 0)
 822                     smb_fdata(data + 2, f2, data + 2 + bcc);
 823             } else {
 824                 if (bcc > 0) {
 825                     printf("smb_buf[]=\n");
 826                     print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
 827                 }
 828             }
 829         }
 830
 831         if ((fn->flags & FLG_CHAIN) == 0)
 832             break;
 833         if (wct == 0)
 834             break;
 835         TCHECK(words[1]);
 836         command = words[1];
 837         if (command == 0xFF)
 838             break;
 839         TCHECK2(words[3], 2);
 840         newsmboffset = EXTRACT_LE_16BITS(words + 3);
 841
 842         fn = smbfind(command, smb_fns);
 843
 844         printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
 845             fn->name, request ? "REQUEST" : "REPLY");
 846         if (newsmboffset < smboffset) {
 847             printf("Bad andX offset: %u < %u\n", newsmboffset, smboffset);
 848             break;
 849         }
 850         smboffset = newsmboffset;
 851     }
 852
 853     printf("\n");
 854     return;
 855 trunc:
 856     printf("[|SMB]");
 857     return;
 858 }
 859
 860
 861 /*
 862  * print a NBT packet received across tcp on port 139
 863  */
 864 void
 865 nbt_tcp_print(const u_char *data, int length)
 866 {
 867     const u_char *maxbuf = data + length;
 868     int type;
 869     u_int nbt_len;
 870
 871     TCHECK2(data[2], 2);
 872     type = data[0];
 873     nbt_len = EXTRACT_16BITS(data + 2);
 874
 875     startbuf = data;
 876     if (maxbuf <= data)
 877         return;
 878
 879     if (vflag < 2) {
 880         printf(" NBT Session Packet: ");
 881         switch (type) {
 882         case 0x00:
 883             printf("Session Message");
 884             break;
 885
 886         case 0x81:
 887             printf("Session Request");
 888             break;
 889
 890         case 0x82:
 891             printf("Session Granted");
 892             break;
 893
 894         case 0x83:
 895           {
 896             int ecode;
 897
 898             TCHECK(data[4]);
 899             ecode = data[4];
 900
 901             printf("Session Reject, ");
 902             switch (ecode) {
 903             case 0x80:
 904                 printf("Not listening on called name");
 905                 break;
 906             case 0x81:
 907                 printf("Not listening for calling name");
 908                 break;
 909             case 0x82:
 910                 printf("Called name not present");
 911                 break;
 912             case 0x83:
 913                 printf("Called name present, but insufficient resources");
 914                 break;
 915             default:
 916                 printf("Unspecified error 0x%X", ecode);
 917                 break;
 918             }
 919           }
 920             break;
 921
 922         case 0x85:
 923             printf("Session Keepalive");
 924             break;
 925
 926         default:
 927             data = smb_fdata(data, "Unknown packet type [rB]", maxbuf);
 928             break;
 929         }
 930     } else {
 931         printf ("\n>>> NBT Session Packet\n");
 932         switch (type) {
 933         case 0x00:
 934             data = smb_fdata(data, "[P1]NBT Session Message\nFlags=[B]\nLength=[rd]\n",
 935                 data + 4);
 936             if (data == NULL)
 937                 break;
 938             if (memcmp(data,"\377SMB",4) == 0) {
 939                 if (nbt_len > PTR_DIFF(maxbuf, data))
 940                     printf("WARNING: Short packet. Try increasing the snap length (%lu)\n",
 941                         (unsigned long)PTR_DIFF(maxbuf, data));
 942                 print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
 943             } else
 944                 printf("Session packet:(raw data?)\n");
 945             break;
 946
 947         case 0x81:
 948             data = smb_fdata(data,
 949                 "[P1]NBT Session Request\nFlags=[B]\nLength=[rd]\nDestination=[n1]\nSource=[n1]\n",
 950                 maxbuf);
 951             break;
 952
 953         case 0x82:
 954             data = smb_fdata(data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[rd]\n", maxbuf);
 955             break;
 956
 957         case 0x83:
 958           {
 959             int ecode;
 960
 961             TCHECK(data[4]);
 962             ecode = data[4];
 963
 964             data = smb_fdata(data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[rd]\nReason=[B]\n",
 965                 maxbuf);
 966             switch (ecode) {
 967             case 0x80:
 968                 printf("Not listening on called name\n");
 969                 break;
 970             case 0x81:
 971                 printf("Not listening for calling name\n");
 972                 break;
 973             case 0x82:
 974                 printf("Called name not present\n");
 975                 break;
 976             case 0x83:
 977                 printf("Called name present, but insufficient resources\n");
 978                 break;
 979             default:
 980                 printf("Unspecified error 0x%X\n", ecode);
 981                 break;
 982             }
 983           }
 984             break;
 985
 986         case 0x85:
 987             data = smb_fdata(data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[rd]\n", maxbuf);
 988             break;
 989
 990         default:
 991             data = smb_fdata(data, "NBT - Unknown packet type\nType=[B]\n", maxbuf);
 992             break;
 993         }
 994         printf("\n");
 995         fflush(stdout);
 996     }
 997     return;
 998 trunc:
 999     printf("[|SMB]");
1000     return;
1001 }
1002
1003
1004 /*
1005  * print a NBT packet received across udp on port 137
1006  */
1007 void
1008 nbt_udp137_print(const u_char *data, int length)
1009 {
1010     const u_char *maxbuf = data + length;
1011     int name_trn_id, response, opcode, nm_flags, rcode;
1012     int qdcount, ancount, nscount, arcount;
1013     const char *opcodestr;
1014     const u_char *p;
1015     int total, i;
1016
1017     TCHECK2(data[10], 2);
1018     name_trn_id = EXTRACT_16BITS(data);
1019     response = (data[2] >> 7);
1020     opcode = (data[2] >> 3) & 0xF;
1021     nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
1022     rcode = data[3] & 0xF;
1023     qdcount = EXTRACT_16BITS(data + 4);
1024     ancount = EXTRACT_16BITS(data + 6);
1025     nscount = EXTRACT_16BITS(data + 8);
1026     arcount = EXTRACT_16BITS(data + 10);
1027     startbuf = data;
1028
1029     if (maxbuf <= data)
1030         return;
1031
1032     if (vflag > 1)
1033         printf("\n>>> ");
1034
1035     printf("NBT UDP PACKET(137): ");
1036
1037     switch (opcode) {
1038     case 0: opcodestr = "QUERY"; break;
1039     case 5: opcodestr = "REGISTRATION"; break;
1040     case 6: opcodestr = "RELEASE"; break;
1041     case 7: opcodestr = "WACK"; break;
1042     case 8: opcodestr = "REFRESH(8)"; break;
1043     case 9: opcodestr = "REFRESH"; break;
1044     case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
1045     default: opcodestr = "OPUNKNOWN"; break;
1046     }
1047     printf("%s", opcodestr);
1048     if (response) {
1049         if (rcode)
1050             printf("; NEGATIVE");
1051         else
1052             printf("; POSITIVE");
1053     }
1054
1055     if (response)
1056         printf("; RESPONSE");
1057     else
1058         printf("; REQUEST");
1059
1060     if (nm_flags & 1)
1061         printf("; BROADCAST");
1062     else
1063         printf("; UNICAST");
1064
1065     if (vflag < 2)
1066         return;
1067
1068     printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
1069         name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
1070         arcount);
1071
1072     p = data + 12;
1073
1074     total = ancount + nscount + arcount;
1075
1076     if (qdcount > 100 || total > 100) {
1077         printf("Corrupt packet??\n");
1078         return;
1079     }
1080
1081     if (qdcount) {
1082         printf("QuestionRecords:\n");
1083         for (i = 0; i < qdcount; i++)
1084             p = smb_fdata(p,
1085                 "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
1086                 maxbuf);
1087         if (p == NULL)
1088             goto out;
1089     }
1090
1091     if (total) {
1092         printf("\nResourceRecords:\n");
1093         for (i = 0; i < total; i++) {
1094             int rdlen;
1095             int restype;
1096
1097             p = smb_fdata(p, "Name=[n1]\n#", maxbuf);
1098             if (p == NULL)
1099                 goto out;
1100             restype = EXTRACT_16BITS(p);
1101             p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8);
1102             if (p == NULL)
1103                 goto out;
1104             rdlen = EXTRACT_16BITS(p);
1105             printf("ResourceLength=%d\nResourceData=\n", rdlen);
1106             p += 2;
1107             if (rdlen == 6) {
1108                 p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen);
1109                 if (p == NULL)
1110                     goto out;
1111             } else {
1112                 if (restype == 0x21) {
1113                     int numnames;
1114
1115                     TCHECK(*p);
1116                     numnames = p[0];
1117                     p = smb_fdata(p, "NumNames=[B]\n", p + 1);
1118                     if (p == NULL)
1119                         goto out;
1120                     while (numnames--) {
1121                         p = smb_fdata(p, "Name=[n2]\t#", maxbuf);
1122                         TCHECK(*p);
1123                         if (p[0] & 0x80)
1124                             printf("<GROUP> ");
1125                         switch (p[0] & 0x60) {
1126                         case 0x00: printf("B "); break;
1127                         case 0x20: printf("P "); break;
1128                         case 0x40: printf("M "); break;
1129                         case 0x60: printf("_ "); break;
1130                         }
1131                         if (p[0] & 0x10)
1132                             printf("<DEREGISTERING> ");
1133                         if (p[0] & 0x08)
1134                             printf("<CONFLICT> ");
1135                         if (p[0] & 0x04)
1136                             printf("<ACTIVE> ");
1137                         if (p[0] & 0x02)
1138                             printf("<PERMANENT> ");
1139                         printf("\n");
1140                         p += 2;
1141                     }
1142                 } else {
1143                     print_data(p, min(rdlen, length - (p - data)));
1144                     p += rdlen;
1145                 }
1146             }
1147         }
1148     }
1149
1150     if (p < maxbuf)
1151         smb_fdata(p, "AdditionalData:\n", maxbuf);
1152
1153 out:
1154     printf("\n");
1155     fflush(stdout);
1156     return;
1157 trunc:
1158     printf("[|SMB]");
1159     return;
1160 }
1161
1162
1163
1164 /*
1165  * print a NBT packet received across udp on port 138
1166  */
1167 void
1168 nbt_udp138_print(const u_char *data, int length)
1169 {
1170     const u_char *maxbuf = data + length;
1171
1172     if (maxbuf > snapend)
1173         maxbuf = snapend;
1174     if (maxbuf <= data)
1175         return;
1176     startbuf = data;
1177
1178     if (vflag < 2) {
1179         printf("NBT UDP PACKET(138)");
1180         return;
1181     }
1182
1183     data = smb_fdata(data,
1184         "\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#",
1185         maxbuf);
1186
1187     if (data != NULL) {
1188         /* If there isn't enough data for "\377SMB", don't check for it. */
1189         if (&data[3] >= maxbuf)
1190             goto out;
1191
1192         if (memcmp(data, "\377SMB",4) == 0)
1193             print_smb(data, maxbuf);
1194     }
1195 out:
1196     printf("\n");
1197     fflush(stdout);
1198 }
1199
1200
1201 /*
1202    print netbeui frames
1203 */
1204 struct nbf_strings {
1205         const char      *name;
1206         const char      *nonverbose;
1207         const char      *verbose;
1208 } nbf_strings[0x20] = {
1209         { "Add Group Name Query", ", [P23]Name to add=[n2]#",
1210           "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1211         { "Add Name Query", ", [P23]Name to add=[n2]#",
1212           "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1213         { "Name In Conflict", NULL, NULL },
1214         { "Status Query", NULL, NULL },
1215         { NULL, NULL, NULL },   /* not used */
1216         { NULL, NULL, NULL },   /* not used */
1217         { NULL, NULL, NULL },   /* not used */
1218         { "Terminate Trace", NULL, NULL },
1219         { "Datagram", NULL,
1220           "[P7]Destination=[n2]\nSource=[n2]\n" },
1221         { "Broadcast Datagram", NULL,
1222           "[P7]Destination=[n2]\nSource=[n2]\n" },
1223         { "Name Query", ", [P7]Name=[n2]#",
1224           "[P1]SessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nName=[n2]\nName of sender=[n2]\n" },
1225         { NULL, NULL, NULL },   /* not used */
1226         { NULL, NULL, NULL },   /* not used */
1227         { "Add Name Response", ", [P1]GroupName=[w] [P4]Destination=[n2] Source=[n2]#",
1228           "AddNameInProcess=[B]\nGroupName=[w]\nTransmitCorrelator=[w][P2]\nDestination=[n2]\nSource=[n2]\n" },
1229         { "Name Recognized", NULL,
1230           "[P1]Data2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n" },
1231         { "Status Response", NULL, NULL },
1232         { NULL, NULL, NULL },   /* not used */
1233         { NULL, NULL, NULL },   /* not used */
1234         { NULL, NULL, NULL },   /* not used */
1235         { "Terminate Trace", NULL, NULL },
1236         { "Data Ack", NULL,
1237           "[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1238         { "Data First/Middle", NULL,
1239           "Flags=[{RECEIVE_CONTINUE|NO_ACK||PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1240         { "Data Only/Last", NULL,
1241           "Flags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1242         { "Session Confirm", NULL,
1243           "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1244         { "Session End", NULL,
1245           "[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1246         { "Session Initialize", NULL,
1247           "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1248         { "No Receive", NULL,
1249           "Flags=[{|SEND_NO_ACK}]\nDataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1250         { "Receive Outstanding", NULL,
1251           "[P1]DataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1252         { "Receive Continue", NULL,
1253           "[P2]TransmitCorrelator=[w]\n[P2]RemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1254         { NULL, NULL, NULL },   /* not used */
1255         { NULL, NULL, NULL },   /* not used */
1256         { "Session Alive", NULL, NULL }
1257 };
1258
1259 void
1260 netbeui_print(u_short control, const u_char *data, int length)
1261 {
1262     const u_char *maxbuf = data + length;
1263     int len;
1264     int command;
1265     const u_char *data2;
1266     int is_truncated = 0;
1267
1268     if (maxbuf > snapend)
1269         maxbuf = snapend;
1270     TCHECK(data[4]);
1271     len = EXTRACT_LE_16BITS(data);
1272     command = data[4];
1273     data2 = data + len;
1274     if (data2 >= maxbuf) {
1275         data2 = maxbuf;
1276         is_truncated = 1;
1277     }
1278
1279     startbuf = data;
1280
1281     if (vflag < 2) {
1282         printf("NBF Packet: ");
1283         data = smb_fdata(data, "[P5]#", maxbuf);
1284     } else {
1285         printf("\n>>> NBF Packet\nType=0x%X ", control);
1286         data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf);
1287     }
1288     if (data == NULL)
1289         goto out;
1290
1291     if (command > 0x1f || nbf_strings[command].name == NULL) {
1292         if (vflag < 2)
1293             data = smb_fdata(data, "Unknown NBF Command#", data2);
1294         else
1295             data = smb_fdata(data, "Unknown NBF Command\n", data2);
1296     } else {
1297         if (vflag < 2) {
1298             printf("%s", nbf_strings[command].name);
1299             if (nbf_strings[command].nonverbose != NULL)
1300                 data = smb_fdata(data, nbf_strings[command].nonverbose, data2);
1301         } else {
1302             printf("%s:\n", nbf_strings[command].name);
1303             if (nbf_strings[command].verbose != NULL)
1304                 data = smb_fdata(data, nbf_strings[command].verbose, data2);
1305             else
1306                 printf("\n");
1307         }
1308     }
1309
1310     if (vflag < 2)
1311         return;
1312
1313     if (data == NULL)
1314         goto out;
1315
1316     if (is_truncated) {
1317         /* data2 was past the end of the buffer */
1318         goto out;
1319     }
1320
1321     /* If this isn't a command that would contain an SMB message, quit. */
1322     if (command != 0x08 && command != 0x09 && command != 0x15 &&
1323         command != 0x16)
1324         goto out;
1325
1326     /* If there isn't enough data for "\377SMB", don't look for it. */
1327     if (&data2[3] >= maxbuf)
1328         goto out;
1329
1330     if (memcmp(data2, "\377SMB",4) == 0)
1331         print_smb(data2, maxbuf);
1332     else {
1333         int i;
1334         for (i = 0; i < 128; i++) {
1335             if (&data2[i + 3] >= maxbuf)
1336                 break;
1337             if (memcmp(&data2[i], "\377SMB", 4) == 0) {
1338                 printf("found SMB packet at %d\n", i);
1339                 print_smb(&data2[i], maxbuf);
1340                 break;
1341             }
1342         }
1343     }
1344
1345 out:
1346     printf("\n");
1347     return;
1348 trunc:
1349     printf("[|SMB]");
1350     return;
1351 }
1352
1353
1354 /*
1355  * print IPX-Netbios frames
1356  */
1357 void
1358 ipx_netbios_print(const u_char *data, u_int length)
1359 {
1360     /*
1361      * this is a hack till I work out how to parse the rest of the
1362      * NetBIOS-over-IPX stuff
1363      */
1364     int i;
1365     const u_char *maxbuf;
1366
1367     maxbuf = data + length;
1368     /* Don't go past the end of the captured data in the packet. */
1369     if (maxbuf > snapend)
1370         maxbuf = snapend;
1371     startbuf = data;
1372     for (i = 0; i < 128; i++) {
1373         if (&data[i + 4] > maxbuf)
1374             break;
1375         if (memcmp(&data[i], "\377SMB", 4) == 0) {
1376             smb_fdata(data, "\n>>> IPX transport ", &data[i]);
1377             if (data != NULL)
1378                 print_smb(&data[i], maxbuf);
1379             printf("\n");
1380             fflush(stdout);
1381             break;
1382         }
1383     }
1384     if (i == 128)
1385         smb_fdata(data, "\n>>> Unknown IPX ", maxbuf);
1386 }