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[] =
  15      "@(#) $Header: /tcpdump/master/tcpdump/print-smb.c,v 1.24 2002-07-11 07:44:49 guy Exp $";
  16 #endif
  17
  18 #include <stdio.h>
  19 #include <string.h>
  20 #include <sys/types.h>
  21
  22 #include <netinet/in.h>
  23
  24 #include "interface.h"
  25 #include "extract.h"
  26 #include "smb.h"
  27
  28 static int request = 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=[dP5]\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);
 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);
 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=[B]\nVolumeLabel=[s12]\n";
 127             break;
 128         case 0x105:
 129             fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[D]\nVolume=[S]\n";
 130             break;
 131         default:
 132             fmt = "UnknownLevel\n";
 133             break;
 134         }
 135         smb_fdata(data, fmt, data + dcnt);
 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     static struct smbfnsint *fn = &trans2_fns[0];
 176     const u_char *data, *param;
 177     const u_char *w = words + 1;
 178     const char *f1 = NULL, *f2 = NULL;
 179     int pcnt, dcnt;
 180
 181     TCHECK(words[0]);
 182     if (request) {
 183         TCHECK2(w[14 * 2], 2);
 184         pcnt = EXTRACT_LE_16BITS(w + 9 * 2);
 185         param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
 186         dcnt = EXTRACT_LE_16BITS(w + 11 * 2);
 187         data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
 188         fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
 189     } else {
 190         if (words[0] == 0) {
 191             printf("%s\n", fn->name);
 192             printf("Trans2Interim\n");
 193             return;
 194         }
 195         TCHECK2(w[7 * 2], 2);
 196         pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
 197         param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
 198         dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
 199         data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
 200     }
 201
 202     printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);
 203
 204     if (request) {
 205         if (words[0] == 8) {
 206             smb_fdata(words + 1,
 207                 "Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
 208                 maxbuf);
 209             return;
 210         } else {
 211             smb_fdata(words + 1,
 212                 "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",
 213                 words + 1 + 14 * 2);
 214             smb_fdata(data + 1, "TransactionName=[S]\n%", maxbuf);
 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=[d]\n",
 221             words + 1 + 10 * 2);
 222         f1 = fn->descript.rep_f1;
 223         f2 = fn->descript.rep_f2;
 224     }
 225
 226     if (fn->descript.fn)
 227         (*fn->descript.fn)(param, data, pcnt, dcnt);
 228     else {
 229         smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt);
 230         smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt);
 231     }
 232     return;
 233 trunc:
 234     printf("[|SMB]");
 235     return;
 236 }
 237
 238
 239 static void
 240 print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
 241 {
 242     const u_char *maxbuf = data + datalen;
 243     int command;
 244
 245     TCHECK(data[0]);
 246     command = data[0];
 247
 248     smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen);
 249
 250     switch (command) {
 251     case 0xF:
 252         data = smb_fdata(data,
 253             "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 254             maxbuf);
 255         break;
 256
 257     case 0x1:
 258         data = smb_fdata(data,
 259             "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 260             maxbuf);
 261         break;
 262
 263     case 0x2:
 264         data = smb_fdata(data,
 265             "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
 266             maxbuf);
 267         break;
 268
 269     case 0xc:
 270         data = smb_fdata(data,
 271             "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n",
 272             maxbuf);
 273         break;
 274
 275     case 0x8:
 276         data = smb_fdata(data,
 277             "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
 278             maxbuf);
 279         break;
 280
 281     case 0xb:
 282         data = smb_fdata(data,
 283             "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
 284             maxbuf);
 285         break;
 286
 287     case 0x9:
 288         data = smb_fdata(data,
 289             "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken?=[B]\n",
 290             maxbuf);
 291         break;
 292
 293     case 0xa:
 294         data = smb_fdata(data,
 295             "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken?=[B]*Name=[S]\n",
 296             maxbuf);
 297         break;
 298
 299     case 0xd:
 300         data = smb_fdata(data,
 301             "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
 302             maxbuf);
 303         break;
 304
 305     case 0xe:
 306         data = smb_fdata(data,
 307             "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf);
 308         break;
 309
 310     default:
 311         data = smb_fdata(data, "Unknown Browser Frame ", maxbuf);
 312         break;
 313     }
 314     return;
 315 trunc:
 316     printf("[|SMB]");
 317     return;
 318 }
 319
 320
 321 static void
 322 print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
 323 {
 324     if (paramlen)
 325         smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen);
 326     if (datalen)
 327         smb_fdata(data, "IPC ", data + datalen);
 328 }
 329
 330
 331 static void
 332 print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
 333 {
 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     smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen));
 363
 364     if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
 365         print_browse(param, paramlen, data, datalen);
 366         return;
 367     }
 368
 369     if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
 370         print_ipc(param, paramlen, data, datalen);
 371         return;
 372     }
 373
 374     if (paramlen)
 375         smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf));
 376     if (datalen)
 377         smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf));
 378     return;
 379 trunc:
 380     printf("[|SMB]");
 381     return;
 382 }
 383
 384
 385 static void
 386 print_negprot(const u_char *words, const u_char *data, const u_char *buf, const u_char *maxbuf)
 387 {
 388     const char *f1 = NULL, *f2 = NULL;
 389
 390     TCHECK(words[0]);
 391     if (request)
 392         f2 = "*|Dialect=[Z]\n";
 393     else {
 394         if (words[0] == 1)
 395             f1 = "Core Protocol\nDialectIndex=[d]";
 396         else if (words[0] == 17)
 397             f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey=";
 398         else if (words[0] == 13)
 399             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=";
 400     }
 401
 402     if (f1)
 403         smb_fdata(words + 1, f1, SMBMIN(words + 1 + words[0] * 2, maxbuf));
 404     else
 405         print_data(words + 1, SMBMIN(words[0] * 2,
 406             PTR_DIFF(maxbuf, words + 1)));
 407
 408     TCHECK2(*data, 2);
 409     if (f2)
 410         smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf));
 411     else
 412         print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 413     return;
 414 trunc:
 415     printf("[|SMB]");
 416     return;
 417 }
 418
 419 static void
 420 print_sesssetup(const u_char *words, const u_char *data, const u_char *buf, const u_char *maxbuf)
 421 {
 422     int wcnt;
 423     const char *f1 = NULL, *f2 = NULL;
 424
 425     TCHECK(words[0]);
 426     wcnt = words[0];
 427     if (request) {
 428         if (wcnt == 10)
 429             f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n";
 430         else
 431             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";
 432     } else {
 433         if (words[0] == 3) {
 434             f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
 435         } else if (words[0] == 13) {
 436             f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
 437             f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
 438         }
 439     }
 440
 441     if (f1)
 442         smb_fdata(words + 1, f1, SMBMIN(words + 1 + words[0] * 2, maxbuf));
 443     else
 444         print_data(words + 1, SMBMIN(words[0] * 2,
 445             PTR_DIFF(maxbuf, words + 1)));
 446
 447     TCHECK2(*data, 2);
 448     if (f2)
 449         smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf));
 450     else
 451         print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 452     return;
 453 trunc:
 454     printf("[|SMB]");
 455     return;
 456 }
 457
 458
 459 static struct smbfns smb_fns[] = {
 460     { -1, "SMBunknown", 0, DEFDESCRIPT },
 461
 462     { SMBtcon, "SMBtcon", 0,
 463         { NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
 464           "MaxXmit=[d]\nTreeId=[d]\n", NULL,
 465           NULL } },
 466
 467     { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
 468     { SMBexit,  "SMBexit", 0, DEFDESCRIPT },
 469     { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },
 470
 471     { SMBecho, "SMBecho", 0,
 472         { "ReverbCount=[d]\n", NULL,
 473           "SequenceNum=[d]\n", NULL,
 474           NULL } },
 475
 476     { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },
 477
 478     { SMBgetatr, "SMBgetatr", 0,
 479         { NULL, "Path=[Z]\n",
 480           "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
 481           NULL } },
 482
 483     { SMBsetatr, "SMBsetatr", 0,
 484         { "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
 485           NULL, NULL, NULL } },
 486
 487     { SMBchkpth, "SMBchkpth", 0,
 488        { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 489
 490     { SMBsearch, "SMBsearch", 0,
 491         { "Count=[d]\nAttrib=[A]\n",
 492           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n",
 493           "Count=[d]\n",
 494           "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",
 495           NULL } },
 496
 497     { SMBopen, "SMBopen", 0,
 498         { "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n",
 499           "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",
 500           NULL, NULL } },
 501
 502     { SMBcreate, "SMBcreate", 0,
 503         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 504
 505     { SMBmknew, "SMBmknew", 0,
 506         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 507
 508     { SMBunlink, "SMBunlink", 0,
 509         { "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } },
 510
 511     { SMBread, "SMBread", 0,
 512         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 513           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 514
 515     { SMBwrite, "SMBwrite", 0,
 516         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 517           "Count=[d]\n", NULL, NULL } },
 518
 519     { SMBclose, "SMBclose", 0,
 520         { "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } },
 521
 522     { SMBmkdir, "SMBmkdir", 0,
 523         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 524
 525     { SMBrmdir, "SMBrmdir", 0,
 526         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 527
 528     { SMBdskattr, "SMBdskattr", 0,
 529         { NULL, NULL,
 530           "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
 531           NULL, NULL } },
 532
 533     { SMBmv, "SMBmv", 0,
 534         { "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },
 535
 536     /*
 537      * this is a Pathworks specific call, allowing the
 538      * changing of the root path
 539      */
 540     { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 541
 542     { SMBlseek, "SMBlseek", 0,
 543         { "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL } },
 544
 545     { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 546
 547     { SMBsplopen, "SMBsplopen", 0,
 548         { "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n",
 549           NULL, NULL } },
 550
 551     { SMBsplclose, "SMBsplclose", 0,
 552         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 553
 554     { SMBsplretq, "SMBsplretq", 0,
 555         { "MaxCount=[d]\nStartIndex=[d]\n", NULL,
 556           "Count=[d]\nIndex=[d]\n",
 557           "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n",
 558           NULL } },
 559
 560     { SMBsplwr, "SMBsplwr", 0,
 561         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 562
 563     { SMBlock, "SMBlock", 0,
 564         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 565
 566     { SMBunlock, "SMBunlock", 0,
 567         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 568
 569     /* CORE+ PROTOCOL FOLLOWS */
 570
 571     { SMBreadbraw, "SMBreadbraw", 0,
 572         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
 573           NULL, NULL, NULL, NULL } },
 574
 575     { SMBwritebraw, "SMBwritebraw", 0,
 576         { "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n",
 577           NULL, "WriteRawAck", NULL, NULL } },
 578
 579     { SMBwritec, "SMBwritec", 0,
 580         { NULL, NULL, "Count=[d]\n", NULL, NULL } },
 581
 582     { SMBwriteclose, "SMBwriteclose", 0,
 583         { "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
 584           NULL, "Count=[d]\n", NULL, NULL } },
 585
 586     { SMBlockread, "SMBlockread", 0,
 587         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 588           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 589
 590     { SMBwriteunlock, "SMBwriteunlock", 0,
 591         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 592           "Count=[d]\n", NULL, NULL } },
 593
 594     { SMBreadBmpx, "SMBreadBmpx", 0,
 595         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n",
 596           NULL,
 597           "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n",
 598           NULL, NULL } },
 599
 600     { SMBwriteBmpx, "SMBwriteBmpx", 0,
 601         { "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL,
 602           "Remaining=[d]\n", NULL, NULL } },
 603
 604     { SMBwriteBs, "SMBwriteBs", 0,
 605         { "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
 606           NULL, "Count=[d]\n", NULL, NULL } },
 607
 608     { SMBsetattrE, "SMBsetattrE", 0,
 609         { "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
 610           NULL, NULL, NULL } },
 611
 612     { SMBgetattrE, "SMBgetattrE", 0,
 613         { "Handle=[d]\n", NULL,
 614           "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
 615           NULL, NULL } },
 616
 617     { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
 618     { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },
 619
 620     { SMBcopy, "SMBcopy", 0,
 621         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 622           "CopyCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 623
 624     { SMBmove, "SMBmove", 0,
 625         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 626           "MoveCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 627
 628     { SMBopenX, "SMBopenX", FLG_CHAIN,
 629         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n",
 630           "Path=[S]\n",
 631           "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",
 632           NULL, NULL } },
 633
 634     { SMBreadX, "SMBreadX", FLG_CHAIN,
 635         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n",
 636           NULL,
 637           "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n",
 638           NULL, NULL } },
 639
 640     { SMBwriteX, "SMBwriteX", FLG_CHAIN,
 641         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n",
 642           NULL,
 643           "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
 644           NULL, NULL } },
 645
 646     { SMBlockingX, "SMBlockingX", FLG_CHAIN,
 647         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n",
 648           "*Process=[d]\nOffset=[D]\nLength=[D]\n",
 649           "Com2=[w]\nOff2=[d]\n", NULL, NULL } },
 650
 651     { SMBffirst, "SMBffirst", 0,
 652         { "Count=[d]\nAttrib=[A]\n",
 653           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 654           "Count=[d]\n",
 655           "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",
 656           NULL } },
 657
 658     { SMBfunique, "SMBfunique", 0,
 659         { "Count=[d]\nAttrib=[A]\n",
 660           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 661           "Count=[d]\n",
 662           "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",
 663           NULL } },
 664
 665     { SMBfclose, "SMBfclose", 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     { SMBfindnclose, "SMBfindnclose", 0,
 673         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 674
 675     { SMBfindclose, "SMBfindclose", 0,
 676         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 677
 678     { SMBsends, "SMBsends", 0,
 679         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 680
 681     { SMBsendstrt, "SMBsendstrt", 0,
 682         { NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } },
 683
 684     { SMBsendend, "SMBsendend", 0,
 685         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 686
 687     { SMBsendtxt, "SMBsendtxt", 0,
 688         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 689
 690     { SMBsendb, "SMBsendb", 0,
 691         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 692
 693     { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT },
 694     { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT },
 695     { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT },
 696
 697     { SMBnegprot, "SMBnegprot", 0,
 698         { NULL, NULL, NULL, NULL, print_negprot } },
 699
 700     { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN,
 701         { NULL, NULL, NULL, NULL, print_sesssetup } },
 702
 703     { SMBtconX, "SMBtconX", FLG_CHAIN,
 704         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
 705           NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[S]\n", NULL } },
 706
 707     { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
 708
 709     { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
 710     { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
 711     { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
 712     { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },
 713
 714     { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
 715     { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },
 716
 717     { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
 718         { "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",
 719           "Path=[S]\n",
 720           "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",
 721           NULL } },
 722
 723     { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },
 724
 725     { -1, NULL, 0, DEFDESCRIPT }
 726 };
 727
 728
 729 /*
 730  * print a SMB message
 731  */
 732 static void
 733 print_smb(const u_char *buf, const u_char *maxbuf)
 734 {
 735     int command;
 736     const u_char *words, *data;
 737     struct smbfns *fn;
 738     char *fmt_smbheader =
 739         "[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";
 740
 741
 742     TCHECK(buf[9]);
 743     request = (buf[9] & 0x80) ? 0 : 1;
 744
 745     command = buf[4];
 746
 747     fn = smbfind(command, smb_fns);
 748
 749     if (vflag > 1)
 750         printf("\n");
 751
 752     printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");
 753
 754     if (vflag < 2)
 755         return;
 756
 757     /* print out the header */
 758     smb_fdata(buf, fmt_smbheader, buf + 33);
 759
 760     if (buf[5])
 761         printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
 762
 763     words = buf + 32;
 764     TCHECK(words[0]);
 765
 766     for (;;) {
 767         const char *f1, *f2;
 768         int wct;
 769         int bcc;
 770
 771         TCHECK(words[0]);
 772         wct = words[0];
 773         data = words + 1 + wct * 2;
 774
 775         if (request) {
 776             f1 = fn->descript.req_f1;
 777             f2 = fn->descript.req_f2;
 778         } else {
 779             f1 = fn->descript.rep_f1;
 780             f2 = fn->descript.rep_f2;
 781         }
 782
 783         if (fn->descript.fn)
 784             (*fn->descript.fn)(words, data, buf, maxbuf);
 785         else {
 786             if (wct) {
 787                 printf("smbvwv[]=\n");
 788                 if (f1)
 789                     smb_fdata(words + 1, f1, words + 1 + wct * 2);
 790                 else {
 791                     int i;
 792                     int v;
 793
 794                     for (i = 0; i < wct; i++) {
 795                         TCHECK2(words[1 + 2 * i], 2);
 796                         v = EXTRACT_LE_16BITS(words + 1 + 2 * i);
 797                         printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v);
 798                     }
 799                 }
 800             }
 801
 802             TCHECK2(*data, 2);
 803             bcc = EXTRACT_LE_16BITS(data);
 804             if (f2) {
 805                 if (bcc > 0) {
 806                     printf("smbbuf[]=\n");
 807                     smb_fdata(data + 2, f2, data + 2 + bcc);
 808                 }
 809             } else {
 810                 printf("smb_bcc=%d\n", bcc);
 811                 if (bcc > 0) {
 812                     printf("smb_buf[]=\n");
 813                     print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
 814                 }
 815             }
 816         }
 817
 818         if ((fn->flags & FLG_CHAIN) == 0)
 819             break;
 820         if (wct == 0)
 821             break;
 822         TCHECK(words[1]);
 823         command = EXTRACT_LE_16BITS(words + 1);
 824         if (command == 0xFF)
 825             break;
 826         TCHECK2(words[3], 2);
 827         words = buf + EXTRACT_LE_16BITS(words + 3);
 828
 829         fn = smbfind(command, smb_fns);
 830
 831         printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
 832             fn->name, request ? "REQUEST" : "REPLY");
 833     }
 834
 835     printf("\n");
 836     return;
 837 trunc:
 838     printf("[|SMB]");
 839     return;
 840 }
 841
 842
 843 /*
 844  * print a NBT packet received across tcp on port 139
 845  */
 846 void
 847 nbt_tcp_print(const u_char *data, int length)
 848 {
 849     const u_char *maxbuf = data + length;
 850     int flags;
 851     int nbt_len;
 852
 853     TCHECK2(data[2], 2);
 854     flags = data[0];
 855     nbt_len = EXTRACT_16BITS(data + 2);
 856
 857     startbuf = data;
 858     if (maxbuf <= data)
 859         return;
 860
 861     if (vflag > 1)
 862         printf ("\n>>>");
 863
 864     printf(" NBT Packet");
 865
 866     if (vflag < 2)
 867         return;
 868
 869     printf("\n");
 870
 871     switch (flags) {
 872     case 1:
 873         printf("flags=0x%x\n", flags);
 874     case 0:
 875         data = smb_fdata(data, "NBT Session Packet\nFlags=[rw]\nLength=[rd]\n",
 876             data + 4);
 877         if (data == NULL)
 878             break;
 879         if (memcmp(data,"\377SMB",4) == 0) {
 880             if (nbt_len > PTR_DIFF(maxbuf, data))
 881             printf("WARNING: Short packet. Try increasing the snap length (%lu)\n",
 882                (unsigned long)PTR_DIFF(maxbuf, data));
 883             print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
 884         } else
 885             printf("Session packet:(raw data?)\n");
 886         break;
 887
 888         case 0x81:
 889             data = smb_fdata(data,
 890                 "NBT Session Request\nFlags=[rW]\nDestination=[n1]\nSource=[n1]\n",
 891                 maxbuf);
 892             break;
 893
 894         case 0x82:
 895             data = smb_fdata(data, "NBT Session Granted\nFlags=[rW]\n", maxbuf);
 896             break;
 897
 898         case 0x83:
 899           {
 900             int ecode;
 901
 902             TCHECK(data[4]);
 903             ecode = data[4];
 904
 905             data = smb_fdata(data, "NBT SessionReject\nFlags=[rW]\nReason=[B]\n",
 906                 maxbuf);
 907             switch (ecode) {
 908             case 0x80:
 909                 printf("Not listening on called name\n");
 910                 break;
 911             case 0x81:
 912                 printf("Not listening for calling name\n");
 913                 break;
 914             case 0x82:
 915                 printf("Called name not present\n");
 916                 break;
 917             case 0x83:
 918                 printf("Called name present, but insufficient resources\n");
 919                 break;
 920             default:
 921                 printf("Unspecified error 0x%X\n", ecode);
 922                 break;
 923             }
 924           }
 925             break;
 926
 927         case 0x85:
 928             data = smb_fdata(data, "NBT Session Keepalive\nFlags=[rW]\n", maxbuf);
 929             break;
 930
 931         default:
 932             printf("flags=0x%x\n", flags);
 933             data = smb_fdata(data, "NBT - Unknown packet type\nType=[rW]\n", maxbuf);
 934     }
 935     printf("\n");
 936     fflush(stdout);
 937     return;
 938 trunc:
 939     printf("[|SMB]");
 940     return;
 941 }
 942
 943
 944 /*
 945  * print a NBT packet received across udp on port 137
 946  */
 947 void
 948 nbt_udp137_print(const u_char *data, int length)
 949 {
 950     const u_char *maxbuf = data + length;
 951     int name_trn_id, response, opcode, nm_flags, rcode;
 952     int qdcount, ancount, nscount, arcount;
 953     char *opcodestr;
 954     const u_char *p;
 955     int total, i;
 956
 957     TCHECK2(data[10], 2);
 958     name_trn_id = EXTRACT_16BITS(data);
 959     response = (data[2] >> 7);
 960     opcode = (data[2] >> 3) & 0xF;
 961     nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
 962     rcode = data[3] & 0xF;
 963     qdcount = EXTRACT_16BITS(data + 4);
 964     ancount = EXTRACT_16BITS(data + 6);
 965     nscount = EXTRACT_16BITS(data + 8);
 966     arcount = EXTRACT_16BITS(data + 10);
 967     startbuf = data;
 968
 969     if (maxbuf <= data)
 970         return;
 971
 972     if (vflag > 1)
 973         printf("\n>>> ");
 974
 975     printf("NBT UDP PACKET(137): ");
 976
 977     switch (opcode) {
 978     case 0: opcodestr = "QUERY"; break;
 979     case 5: opcodestr = "REGISTRATION"; break;
 980     case 6: opcodestr = "RELEASE"; break;
 981     case 7: opcodestr = "WACK"; break;
 982     case 8: opcodestr = "REFRESH(8)"; break;
 983     case 9: opcodestr = "REFRESH"; break;
 984     case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
 985     default: opcodestr = "OPUNKNOWN"; break;
 986     }
 987     printf("%s", opcodestr);
 988     if (response) {
 989         if (rcode)
 990             printf("; NEGATIVE");
 991         else
 992             printf("; POSITIVE");
 993     }
 994
 995     if (response)
 996         printf("; RESPONSE");
 997     else
 998         printf("; REQUEST");
 999
1000     if (nm_flags & 1)
1001         printf("; BROADCAST");
1002     else
1003         printf("; UNICAST");
1004
1005     if (vflag < 2)
1006         return;
1007
1008     printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
1009         name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
1010         arcount);
1011
1012     p = data + 12;
1013
1014     total = ancount + nscount + arcount;
1015
1016     if (qdcount > 100 || total > 100) {
1017         printf("Corrupt packet??\n");
1018         return;
1019     }
1020
1021     if (qdcount) {
1022         printf("QuestionRecords:\n");
1023         for (i = 0; i < qdcount; i++)
1024             p = smb_fdata(p,
1025                 "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
1026                 maxbuf);
1027         if (p == NULL)
1028             goto out;
1029     }
1030
1031     if (total) {
1032         printf("\nResourceRecords:\n");
1033         for (i = 0; i < total; i++) {
1034             int rdlen;
1035             int restype;
1036
1037             p = smb_fdata(p, "Name=[n1]\n#", maxbuf);
1038             if (p == NULL)
1039                 goto out;
1040             restype = EXTRACT_16BITS(p);
1041             p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8);
1042             if (p == NULL)
1043                 goto out;
1044             rdlen = EXTRACT_16BITS(p);
1045             printf("ResourceLength=%d\nResourceData=\n", rdlen);
1046             p += 2;
1047             if (rdlen == 6) {
1048                 p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen);
1049                 if (p == NULL)
1050                     goto out;
1051             } else {
1052                 if (restype == 0x21) {
1053                     int numnames;
1054
1055                     TCHECK(*p);
1056                     numnames = p[0];
1057                     p = smb_fdata(p, "NumNames=[B]\n", p + 1);
1058                     if (p == NULL)
1059                         goto out;
1060                     while (numnames--) {
1061                         p = smb_fdata(p, "Name=[n2]\t#", maxbuf);
1062                         TCHECK(*p);
1063                         if (p[0] & 0x80)
1064                             printf("<GROUP> ");
1065                         switch (p[0] & 0x60) {
1066                         case 0x00: printf("B "); break;
1067                         case 0x20: printf("P "); break;
1068                         case 0x40: printf("M "); break;
1069                         case 0x60: printf("_ "); break;
1070                         }
1071                         if (p[0] & 0x10)
1072                             printf("<DEREGISTERING> ");
1073                         if (p[0] & 0x08)
1074                             printf("<CONFLICT> ");
1075                         if (p[0] & 0x04)
1076                             printf("<ACTIVE> ");
1077                         if (p[0] & 0x02)
1078                             printf("<PERMANENT> ");
1079                         printf("\n");
1080                         p += 2;
1081                     }
1082                 } else {
1083                     print_data(p, min(rdlen, length - (p - data)));
1084                     p += rdlen;
1085                 }
1086             }
1087         }
1088     }
1089
1090     if (p < maxbuf)
1091         smb_fdata(p, "AdditionalData:\n", maxbuf);
1092
1093 out:
1094     printf("\n");
1095     fflush(stdout);
1096     return;
1097 trunc:
1098     printf("[|SMB]");
1099     return;
1100 }
1101
1102
1103
1104 /*
1105  * print a NBT packet received across udp on port 138
1106  */
1107 void
1108 nbt_udp138_print(const u_char *data, int length)
1109 {
1110     const u_char *maxbuf = data + length;
1111
1112     if (maxbuf > snapend)
1113         maxbuf = snapend;
1114     if (maxbuf <= data)
1115         return;
1116     startbuf = data;
1117
1118     if (vflag < 2) {
1119         printf("NBT UDP PACKET(138)");
1120         return;
1121     }
1122
1123     data = smb_fdata(data,
1124         "\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#",
1125         maxbuf);
1126
1127     if (data != NULL) {
1128         /* If there isn't enough data for "\377SMB", don't check for it. */
1129         if (&data[3] >= maxbuf)
1130             goto out;
1131
1132         if (memcmp(data, "\377SMB",4) == 0)
1133             print_smb(data, maxbuf);
1134     }
1135 out:
1136     printf("\n");
1137     fflush(stdout);
1138 }
1139
1140
1141 /*
1142    print netbeui frames
1143 */
1144 void
1145 netbeui_print(u_short control, const u_char *data, int length)
1146 {
1147     const u_char *maxbuf = data + length;
1148     int len;
1149     int command;
1150     const u_char *data2;
1151     int is_truncated = 0;
1152
1153     if (maxbuf > snapend)
1154         maxbuf = snapend;
1155     TCHECK(data[4]);
1156     len = EXTRACT_LE_16BITS(data);
1157     command = data[4];
1158     data2 = data + len;
1159     if (data2 >= maxbuf) {
1160         data2 = maxbuf;
1161         is_truncated = 1;
1162     }
1163
1164     startbuf = data;
1165
1166     if (vflag < 2) {
1167         printf("NetBeui Packet");
1168         return;
1169     }
1170
1171     printf("\n>>> NetBeui Packet\nType=0x%X ", control);
1172     data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf);
1173     if (data == NULL)
1174         goto out;
1175
1176     switch (command) {
1177     case 0xA:
1178         data = smb_fdata(data, "NameQuery:[P1]\nSessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nDestination=[n2]\nSource=[n2]\n", data2);
1179         break;
1180
1181     case 0x8:
1182         data = smb_fdata(data,
1183             "NetbiosDataGram:[P7]\nDestination=[n2]\nSource=[n2]\n", data2);
1184         break;
1185
1186     case 0xE:
1187         data = smb_fdata(data,
1188             "NameRecognise:\n[P1]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n",
1189             data2);
1190         break;
1191
1192     case 0x19:
1193         data = smb_fdata(data,
1194             "SessionInitialise:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1195             data2);
1196         break;
1197
1198     case 0x17:
1199         data = smb_fdata(data,
1200             "SessionConfirm:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1201             data2);
1202         break;
1203
1204     case 0x16:
1205         data = smb_fdata(data,
1206             "NetbiosDataOnlyLast:\nFlags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1207             data2);
1208         break;
1209
1210     case 0x14:
1211         data = smb_fdata(data,
1212             "NetbiosDataAck:\n[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1213             data2);
1214         break;
1215
1216     case 0x18:
1217         data = smb_fdata(data,
1218             "SessionEnd:\n[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1219             data2);
1220         break;
1221
1222     case 0x1f:
1223         data = smb_fdata(data, "SessionAlive\n", data2);
1224         break;
1225
1226     default:
1227         data = smb_fdata(data, "Unknown Netbios Command ", data2);
1228         break;
1229     }
1230     if (data == NULL)
1231         goto out;
1232
1233     if (is_truncated) {
1234         /* data2 was past the end of the buffer */
1235         goto out;
1236     }
1237
1238     /* If there isn't enough data for "\377SMB", don't look for it. */
1239     if (&data2[3] >= maxbuf)
1240         goto out;
1241
1242     if (memcmp(data2, "\377SMB",4) == 0)
1243         print_smb(data2, maxbuf);
1244     else {
1245         int i;
1246         for (i = 0; i < 128; i++) {
1247             if (&data2[i + 3] >= maxbuf)
1248                 break;
1249             if (memcmp(&data2[i], "\377SMB", 4) == 0) {
1250                 printf("found SMB packet at %d\n", i);
1251                 print_smb(&data2[i], maxbuf);
1252                 break;
1253             }
1254         }
1255     }
1256
1257 out:
1258     printf("\n");
1259     return;
1260 trunc:
1261     printf("[|SMB]");
1262     return;
1263 }
1264
1265
1266 /*
1267  * print IPX-Netbios frames
1268  */
1269 void
1270 ipx_netbios_print(const u_char *data, u_int length)
1271 {
1272     /*
1273      * this is a hack till I work out how to parse the rest of the
1274      * NetBIOS-over-IPX stuff
1275      */
1276     int i;
1277     const u_char *maxbuf;
1278
1279     maxbuf = data + length;
1280     /* Don't go past the end of the captured data in the packet. */
1281     if (maxbuf > snapend)
1282         maxbuf = snapend;
1283     startbuf = data;
1284     for (i = 0; i < 128; i++) {
1285         if (&data[i + 4] > maxbuf)
1286             break;
1287         if (memcmp(&data[i], "\377SMB", 4) == 0) {
1288             smb_fdata(data, "\n>>> IPX transport ", &data[i]);
1289             if (data != NULL)
1290                 print_smb(&data[i], maxbuf);
1291             printf("\n");
1292             fflush(stdout);
1293             break;
1294         }
1295     }
1296     if (i == 128)
1297         smb_fdata(data, "\n>>> Unknown IPX ", maxbuf);
1298 }