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 1.20 2002-01-17 04:38:29 guy Exp $";
  16 #endif
  17
  18 #include <stdio.h>
  19 #include <string.h>
  20 #include <sys/types.h>
  21
  22 #include "interface.h"
  23 #include "extract.h"
  24 #include "smb.h"
  25
  26 static int request = 0;
  27
  28 const u_char *startbuf = NULL;
  29
  30 struct smbdescript {
  31     const char *req_f1;
  32     const char *req_f2;
  33     const char *rep_f1;
  34     const char *rep_f2;
  35     void (*fn)(const u_char *, const u_char *, const u_char *, const u_char *);
  36 };
  37
  38 struct smbdescriptint {
  39     const char *req_f1;
  40     const char *req_f2;
  41     const char *rep_f1;
  42     const char *rep_f2;
  43     void (*fn)(const u_char *, const u_char *, int, int);
  44 };
  45
  46 struct smbfns
  47 {
  48     int id;
  49     const char *name;
  50     int flags;
  51     struct smbdescript descript;
  52 };
  53
  54 struct smbfnsint
  55 {
  56     int id;
  57     const char *name;
  58     int flags;
  59     struct smbdescriptint descript;
  60 };
  61
  62 #define DEFDESCRIPT     { NULL, NULL, NULL, NULL, NULL }
  63
  64 #define FLG_CHAIN       (1 << 0)
  65
  66 static struct smbfns *
  67 smbfind(int id, struct smbfns *list)
  68 {
  69     int sindex;
  70
  71     for (sindex = 0; list[sindex].name; sindex++)
  72         if (list[sindex].id == id)
  73             return(&list[sindex]);
  74
  75     return(&list[0]);
  76 }
  77
  78 static struct smbfnsint *
  79 smbfindint(int id, struct smbfnsint *list)
  80 {
  81     int sindex;
  82
  83     for (sindex = 0; list[sindex].name; sindex++)
  84         if (list[sindex].id == id)
  85             return(&list[sindex]);
  86
  87     return(&list[0]);
  88 }
  89
  90 static void
  91 trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
  92 {
  93     const char *fmt;
  94
  95     if (request)
  96         fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP5]\nFile=[S]\n";
  97     else
  98         fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n";
  99
 100     smb_fdata(param, fmt, param + pcnt);
 101     if (dcnt) {
 102         printf("data:\n");
 103         print_data(data, dcnt);
 104     }
 105 }
 106
 107 static void
 108 trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
 109 {
 110     static int level = 0;
 111     const char *fmt="";
 112
 113     if (request) {
 114         TCHECK2(*param, 2);
 115         level = EXTRACT_LE_16BITS(param);
 116         fmt = "InfoLevel=[d]\n";
 117         smb_fdata(param, fmt, param + pcnt);
 118     } else {
 119         switch (level) {
 120         case 1:
 121             fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n";
 122             break;
 123         case 2:
 124             fmt = "CreationTime=[T2]VolNameLength=[B]\nVolumeLabel=[s12]\n";
 125             break;
 126         case 0x105:
 127             fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[D]\nVolume=[S]\n";
 128             break;
 129         default:
 130             fmt = "UnknownLevel\n";
 131             break;
 132         }
 133         smb_fdata(data, fmt, data + dcnt);
 134     }
 135     if (dcnt) {
 136         printf("data:\n");
 137         print_data(data, dcnt);
 138     }
 139     return;
 140 trunc:
 141     printf("[|SMB]");
 142     return;
 143 }
 144
 145 struct smbfnsint trans2_fns[] = {
 146     { 0, "TRANSACT2_OPEN", 0,
 147         { "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[D]\nRes=([w, w, w, w, w])\nPath=[S]",
 148           NULL,
 149           "Handle=[d]\nAttrib=[A]\nTime=[T2]\nSize=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[d]\n|EALength=[d]\n",
 150           NULL, NULL }},
 151     { 1, "TRANSACT2_FINDFIRST", 0,
 152         { NULL, NULL, NULL, NULL, trans2_findfirst }},
 153     { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT },
 154     { 3, "TRANSACT2_QFSINFO", 0,
 155         { NULL, NULL, NULL, NULL, trans2_qfsinfo }},
 156     { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT },
 157     { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT },
 158     { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT },
 159     { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT },
 160     { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT },
 161     { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT },
 162     { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT },
 163     { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT },
 164     { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT },
 165     { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT },
 166     { -1, NULL, 0, DEFDESCRIPT }
 167 };
 168
 169
 170 static void
 171 print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf)
 172 {
 173     static struct smbfnsint *fn = &trans2_fns[0];
 174     const u_char *data, *param;
 175     const u_char *w = words + 1;
 176     const u_char *f1 = NULL, *f2 = NULL;
 177     int pcnt, dcnt;
 178
 179     TCHECK(words[0]);
 180     if (request) {
 181         TCHECK2(w[14 * 2], 2);
 182         pcnt = EXTRACT_LE_16BITS(w + 9 * 2);
 183         param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
 184         dcnt = EXTRACT_LE_16BITS(w + 11 * 2);
 185         data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
 186         fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
 187     } else {
 188         if (words[0] == 0) {
 189             printf("%s\n", fn->name);
 190             printf("Trans2Interim\n");
 191             return;
 192         }
 193         TCHECK2(w[7 * 2], 2);
 194         pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
 195         param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
 196         dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
 197         data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
 198     }
 199
 200     printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);
 201
 202     if (request) {
 203         if (words[0] == 8) {
 204             smb_fdata(words + 1,
 205                 "Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
 206                 maxbuf);
 207             return;
 208         } else {
 209             smb_fdata(words + 1,
 210                 "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",
 211                 words + 1 + 14 * 2);
 212             smb_fdata(data + 1, "TransactionName=[S]\n%", maxbuf);
 213         }
 214         f1 = fn->descript.req_f1;
 215         f2 = fn->descript.req_f2;
 216     } else {
 217         smb_fdata(words + 1,
 218             "TotParam=[d]\nTotData=[d]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nParamDisp[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nSetupCnt=[d]\n",
 219             words + 1 + 10 * 2);
 220         f1 = fn->descript.rep_f1;
 221         f2 = fn->descript.rep_f2;
 222     }
 223
 224     if (fn->descript.fn)
 225         (*fn->descript.fn)(param, data, pcnt, dcnt);
 226     else {
 227         smb_fdata(param, f1 ? f1 : (u_char *)"Paramaters=\n", param + pcnt);
 228         smb_fdata(data, f2 ? f2 : (u_char *)"Data=\n", data + dcnt);
 229     }
 230     return;
 231 trunc:
 232     printf("[|SMB]");
 233     return;
 234 }
 235
 236
 237 static void
 238 print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
 239 {
 240     const u_char *maxbuf = data + datalen;
 241     int command;
 242
 243     TCHECK(data[0]);
 244     command = data[0];
 245
 246     smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen);
 247
 248     switch (command) {
 249     case 0xF:
 250         data = smb_fdata(data,
 251             "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 252             maxbuf);
 253         break;
 254
 255     case 0x1:
 256         data = smb_fdata(data,
 257             "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 258             maxbuf);
 259         break;
 260
 261     case 0x2:
 262         data = smb_fdata(data,
 263             "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
 264             maxbuf);
 265         break;
 266
 267     case 0xc:
 268         data = smb_fdata(data,
 269             "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n",
 270             maxbuf);
 271         break;
 272
 273     case 0x8:
 274         data = smb_fdata(data,
 275             "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
 276             maxbuf);
 277         break;
 278
 279     case 0xb:
 280         data = smb_fdata(data,
 281             "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
 282             maxbuf);
 283         break;
 284
 285     case 0x9:
 286         data = smb_fdata(data,
 287             "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken?=[B]\n",
 288             maxbuf);
 289         break;
 290
 291     case 0xa:
 292         data = smb_fdata(data,
 293             "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken?=[B]*Name=[S]\n",
 294             maxbuf);
 295         break;
 296
 297     case 0xd:
 298         data = smb_fdata(data,
 299             "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
 300             maxbuf);
 301         break;
 302
 303     case 0xe:
 304         data = smb_fdata(data,
 305             "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf);
 306         break;
 307
 308     default:
 309         data = smb_fdata(data, "Unknown Browser Frame ", maxbuf);
 310         break;
 311     }
 312     return;
 313 trunc:
 314     printf("[|SMB]");
 315     return;
 316 }
 317
 318
 319 static void
 320 print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
 321 {
 322     if (paramlen)
 323         smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen);
 324     if (datalen)
 325         smb_fdata(data, "IPC ", data + datalen);
 326 }
 327
 328
 329 static void
 330 print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
 331 {
 332     const u_char *f1, *f2, *f3, *f4;
 333     const u_char *data, *param;
 334     const u_char *w = words + 1;
 335     int datalen, paramlen;
 336
 337     if (request) {
 338         TCHECK2(w[12 * 2], 2);
 339         paramlen = EXTRACT_LE_16BITS(w + 9 * 2);
 340         param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
 341         datalen = EXTRACT_LE_16BITS(w + 11 * 2);
 342         data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
 343         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";
 344         f2 = "|Name=[S]\n";
 345         f3 = "|Param ";
 346         f4 = "|Data ";
 347     } else {
 348         TCHECK2(w[7 * 2], 2);
 349         paramlen = EXTRACT_LE_16BITS(w + 3 * 2);
 350         param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
 351         datalen = EXTRACT_LE_16BITS(w + 6 * 2);
 352         data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
 353         f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n";
 354         f2 = "|Unknown ";
 355         f3 = "|Param ";
 356         f4 = "|Data ";
 357     }
 358
 359     smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf));
 360     smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen));
 361
 362     if (!strcmp(data1 + 2, "\\MAILSLOT\\BROWSE")) {
 363         print_browse(param, paramlen, data, datalen);
 364         return;
 365     }
 366
 367     if (!strcmp(data1 + 2, "\\PIPE\\LANMAN")) {
 368         print_ipc(param, paramlen, data, datalen);
 369         return;
 370     }
 371
 372     if (paramlen)
 373         smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf));
 374     if (datalen)
 375         smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf));
 376     return;
 377 trunc:
 378     printf("[|SMB]");
 379     return;
 380 }
 381
 382
 383 static void
 384 print_negprot(const u_char *words, const u_char *data, const u_char *buf, const u_char *maxbuf)
 385 {
 386     u_char *f1 = NULL, *f2 = NULL;
 387
 388     TCHECK(words[0]);
 389     if (request)
 390         f2 = "*|Dialect=[Z]\n";
 391     else {
 392         if (words[0] == 1)
 393             f1 = "Core Protocol\nDialectIndex=[d]";
 394         else if (words[0] == 17)
 395             f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey=";
 396         else if (words[0] == 13)
 397             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=";
 398     }
 399
 400     if (f1)
 401         smb_fdata(words + 1, f1, SMBMIN(words + 1 + words[0] * 2, maxbuf));
 402     else
 403         print_data(words + 1, SMBMIN(words[0] * 2,
 404             PTR_DIFF(maxbuf, words + 1)));
 405
 406     TCHECK2(*data, 2);
 407     if (f2)
 408         smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf));
 409     else
 410         print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 411     return;
 412 trunc:
 413     printf("[|SMB]");
 414     return;
 415 }
 416
 417 static void
 418 print_sesssetup(const u_char *words, const u_char *data, const u_char *buf, const u_char *maxbuf)
 419 {
 420     int wcnt;
 421     u_char *f1 = NULL, *f2 = NULL;
 422
 423     TCHECK(words[0]);
 424     wcnt = words[0];
 425     if (request) {
 426         if (wcnt == 10)
 427             f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n";
 428         else
 429             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";
 430     } else {
 431         if (words[0] == 3) {
 432             f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
 433         } else if (words[0] == 13) {
 434             f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
 435             f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
 436         }
 437     }
 438
 439     if (f1)
 440         smb_fdata(words + 1, f1, SMBMIN(words + 1 + words[0] * 2, maxbuf));
 441     else
 442         print_data(words + 1, SMBMIN(words[0] * 2,
 443             PTR_DIFF(maxbuf, words + 1)));
 444
 445     TCHECK2(*data, 2);
 446     if (f2)
 447         smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf));
 448     else
 449         print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 450     return;
 451 trunc:
 452     printf("[|SMB]");
 453     return;
 454 }
 455
 456
 457 static struct smbfns smb_fns[] = {
 458     { -1, "SMBunknown", 0, DEFDESCRIPT },
 459
 460     { SMBtcon, "SMBtcon", 0,
 461         { NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
 462           "MaxXmit=[d]\nTreeId=[d]\n", NULL,
 463           NULL } },
 464
 465     { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
 466     { SMBexit,  "SMBexit", 0, DEFDESCRIPT },
 467     { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },
 468
 469     { SMBecho, "SMBecho", 0,
 470         { "ReverbCount=[d]\n", NULL,
 471           "SequenceNum=[d]\n", NULL,
 472           NULL } },
 473
 474     { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },
 475
 476     { SMBgetatr, "SMBgetatr", 0,
 477         { NULL, "Path=[Z]\n",
 478           "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
 479           NULL } },
 480
 481     { SMBsetatr, "SMBsetatr", 0,
 482         { "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
 483           NULL, NULL, NULL } },
 484
 485     { SMBchkpth, "SMBchkpth", 0,
 486        { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 487
 488     { SMBsearch, "SMBsearch", 0,
 489         { "Count=[d]\nAttrib=[A]\n",
 490           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n",
 491           "Count=[d]\n",
 492           "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",
 493           NULL } },
 494
 495     { SMBopen, "SMBopen", 0,
 496         { "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n",
 497           "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",
 498           NULL, NULL } },
 499
 500     { SMBcreate, "SMBcreate", 0,
 501         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 502
 503     { SMBmknew, "SMBmknew", 0,
 504         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 505
 506     { SMBunlink, "SMBunlink", 0,
 507         { "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } },
 508
 509     { SMBread, "SMBread", 0,
 510         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 511           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 512
 513     { SMBwrite, "SMBwrite", 0,
 514         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 515           "Count=[d]\n", NULL, NULL } },
 516
 517     { SMBclose, "SMBclose", 0,
 518         { "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } },
 519
 520     { SMBmkdir, "SMBmkdir", 0,
 521         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 522
 523     { SMBrmdir, "SMBrmdir", 0,
 524         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 525
 526     { SMBdskattr, "SMBdskattr", 0,
 527         { NULL, NULL,
 528           "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
 529           NULL, NULL } },
 530
 531     { SMBmv, "SMBmv", 0,
 532         { "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },
 533
 534     /*
 535      * this is a Pathworks specific call, allowing the
 536      * changing of the root path
 537      */
 538     { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 539
 540     { SMBlseek, "SMBlseek", 0,
 541         { "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL } },
 542
 543     { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 544
 545     { SMBsplopen, "SMBsplopen", 0,
 546         { "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n",
 547           NULL, NULL } },
 548
 549     { SMBsplclose, "SMBsplclose", 0,
 550         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 551
 552     { SMBsplretq, "SMBsplretq", 0,
 553         { "MaxCount=[d]\nStartIndex=[d]\n", NULL,
 554           "Count=[d]\nIndex=[d]\n",
 555           "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n",
 556           NULL } },
 557
 558     { SMBsplwr, "SMBsplwr", 0,
 559         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 560
 561     { SMBlock, "SMBlock", 0,
 562         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 563
 564     { SMBunlock, "SMBunlock", 0,
 565         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 566
 567     /* CORE+ PROTOCOL FOLLOWS */
 568
 569     { SMBreadbraw, "SMBreadbraw", 0,
 570         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
 571           NULL, NULL, NULL, NULL } },
 572
 573     { SMBwritebraw, "SMBwritebraw", 0,
 574         { "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n",
 575           NULL, "WriteRawAck", NULL, NULL } },
 576
 577     { SMBwritec, "SMBwritec", 0,
 578         { NULL, NULL, "Count=[d]\n", NULL, NULL } },
 579
 580     { SMBwriteclose, "SMBwriteclose", 0,
 581         { "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
 582           NULL, "Count=[d]\n", NULL, NULL } },
 583
 584     { SMBlockread, "SMBlockread", 0,
 585         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 586           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 587
 588     { SMBwriteunlock, "SMBwriteunlock", 0,
 589         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 590           "Count=[d]\n", NULL, NULL } },
 591
 592     { SMBreadBmpx, "SMBreadBmpx", 0,
 593         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n",
 594           NULL,
 595           "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n",
 596           NULL, NULL } },
 597
 598     { SMBwriteBmpx, "SMBwriteBmpx", 0,
 599         { "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL,
 600           "Remaining=[d]\n", NULL, NULL } },
 601
 602     { SMBwriteBs, "SMBwriteBs", 0,
 603         { "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
 604           NULL, "Count=[d]\n", NULL, NULL } },
 605
 606     { SMBsetattrE, "SMBsetattrE", 0,
 607         { "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
 608           NULL, NULL, NULL } },
 609
 610     { SMBgetattrE, "SMBgetattrE", 0,
 611         { "Handle=[d]\n", NULL,
 612           "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
 613           NULL, NULL } },
 614
 615     { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
 616     { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },
 617
 618     { SMBcopy, "SMBcopy", 0,
 619         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 620           "CopyCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 621
 622     { SMBmove, "SMBmove", 0,
 623         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 624           "MoveCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 625
 626     { SMBopenX, "SMBopenX", FLG_CHAIN,
 627         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n",
 628           "Path=[S]\n",
 629           "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",
 630           NULL, NULL } },
 631
 632     { SMBreadX, "SMBreadX", FLG_CHAIN,
 633         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n",
 634           NULL,
 635           "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n",
 636           NULL, NULL } },
 637
 638     { SMBwriteX, "SMBwriteX", FLG_CHAIN,
 639         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n",
 640           NULL,
 641           "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
 642           NULL, NULL } },
 643
 644     { SMBlockingX, "SMBlockingX", FLG_CHAIN,
 645         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n",
 646           "*Process=[d]\nOffset=[D]\nLength=[D]\n",
 647           "Com2=[w]\nOff2=[d]\n", NULL, NULL } },
 648
 649     { SMBffirst, "SMBffirst", 0,
 650         { "Count=[d]\nAttrib=[A]\n",
 651           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 652           "Count=[d]\n",
 653           "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",
 654           NULL } },
 655
 656     { SMBfunique, "SMBfunique", 0,
 657         { "Count=[d]\nAttrib=[A]\n",
 658           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 659           "Count=[d]\n",
 660           "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",
 661           NULL } },
 662
 663     { SMBfclose, "SMBfclose", 0,
 664         { "Count=[d]\nAttrib=[A]\n",
 665           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 666           "Count=[d]\n",
 667           "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",
 668           NULL } },
 669
 670     { SMBfindnclose, "SMBfindnclose", 0,
 671         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 672
 673     { SMBfindclose, "SMBfindclose", 0,
 674         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 675
 676     { SMBsends, "SMBsends", 0,
 677         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 678
 679     { SMBsendstrt, "SMBsendstrt", 0,
 680         { NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } },
 681
 682     { SMBsendend, "SMBsendend", 0,
 683         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 684
 685     { SMBsendtxt, "SMBsendtxt", 0,
 686         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 687
 688     { SMBsendb, "SMBsendb", 0,
 689         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 690
 691     { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT },
 692     { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT },
 693     { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT },
 694
 695     { SMBnegprot, "SMBnegprot", 0,
 696         { NULL, NULL, NULL, NULL, print_negprot } },
 697
 698     { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN,
 699         { NULL, NULL, NULL, NULL, print_sesssetup } },
 700
 701     { SMBtconX, "SMBtconX", FLG_CHAIN,
 702         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
 703           NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[S]\n", NULL } },
 704
 705     { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
 706
 707     { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
 708     { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
 709     { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
 710     { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },
 711
 712     { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
 713     { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },
 714
 715     { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
 716         { "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",
 717           "Path=[S]\n",
 718           "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",
 719           NULL } },
 720
 721     { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },
 722
 723     { -1, NULL, 0, DEFDESCRIPT }
 724 };
 725
 726
 727 /*
 728  * print a SMB message
 729  */
 730 static void
 731 print_smb(const u_char *buf, const u_char *maxbuf)
 732 {
 733     int command;
 734     const u_char *words, *data;
 735     struct smbfns *fn;
 736     char *fmt_smbheader =
 737         "[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";
 738
 739
 740     TCHECK(buf[9]);
 741     request = (buf[9] & 0x80) ? 0 : 1;
 742
 743     command = buf[4];
 744
 745     fn = smbfind(command, smb_fns);
 746
 747     if (vflag > 1)
 748         printf("\n");
 749
 750     printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");
 751
 752     if (vflag < 2)
 753         return;
 754
 755     /* print out the header */
 756     smb_fdata(buf, fmt_smbheader, buf + 33);
 757
 758     if (buf[5])
 759         printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
 760
 761     words = buf + 32;
 762     TCHECK(words[0]);
 763
 764     for (;;) {
 765         const u_char *f1, *f2;
 766         int wct;
 767         int bcc;
 768
 769         TCHECK(words[0]);
 770         wct = words[0];
 771         data = words + 1 + wct * 2;
 772
 773         if (request) {
 774             f1 = fn->descript.req_f1;
 775             f2 = fn->descript.req_f2;
 776         } else {
 777             f1 = fn->descript.rep_f1;
 778             f2 = fn->descript.rep_f2;
 779         }
 780
 781         if (fn->descript.fn)
 782             (*fn->descript.fn)(words, data, buf, maxbuf);
 783         else {
 784             if (wct) {
 785                 printf("smbvwv[]=\n");
 786                 if (f1)
 787                     smb_fdata(words + 1, f1, words + 1 + wct * 2);
 788                 else {
 789                     int i;
 790                     int v;
 791
 792                     for (i = 0; i < wct; i++) {
 793                         TCHECK2(words[1 + 2 * i], 2);
 794                         v = EXTRACT_LE_16BITS(words + 1 + 2 * i);
 795                         printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v);
 796                     }
 797                 }
 798             }
 799
 800             TCHECK2(*data, 2);
 801             bcc = EXTRACT_LE_16BITS(data);
 802             if (f2) {
 803                 if (bcc > 0) {
 804                     printf("smbbuf[]=\n");
 805                     smb_fdata(data + 2, f2, data + 2 + bcc);
 806                 }
 807             } else {
 808                 printf("smb_bcc=%d\n", bcc);
 809                 if (bcc > 0) {
 810                     printf("smb_buf[]=\n");
 811                     print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
 812                 }
 813             }
 814         }
 815
 816         if ((fn->flags & FLG_CHAIN) == 0)
 817             break;
 818         if (wct == 0)
 819             break;
 820         TCHECK(words[1]);
 821         command = EXTRACT_LE_16BITS(words + 1);
 822         if (command == 0xFF)
 823             break;
 824         TCHECK2(words[3], 2);
 825         words = buf + EXTRACT_LE_16BITS(words + 3);
 826
 827         fn = smbfind(command, smb_fns);
 828
 829         printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
 830             fn->name, request ? "REQUEST" : "REPLY");
 831     }
 832
 833     printf("\n");
 834     return;
 835 trunc:
 836     printf("[|SMB]");
 837     return;
 838 }
 839
 840
 841 /*
 842  * print a NBT packet received across tcp on port 139
 843  */
 844 void
 845 nbt_tcp_print(const u_char *data, int length)
 846 {
 847     const u_char *maxbuf = data + length;
 848     int flags;
 849     int nbt_len;
 850
 851     TCHECK2(data[2], 2);
 852     flags = data[0];
 853     nbt_len = EXTRACT_16BITS(data + 2);
 854
 855     startbuf = data;
 856     if (maxbuf <= data)
 857         return;
 858
 859     if (vflag > 1)
 860         printf ("\n>>> ");
 861
 862     printf("NBT Packet");
 863
 864     if (vflag < 2)
 865         return;
 866
 867     printf("\n");
 868
 869     switch (flags) {
 870     case 1:
 871         printf("flags=0x%x\n", flags);
 872     case 0:
 873         data = smb_fdata(data, "NBT Session Packet\nFlags=[rw]\nLength=[rd]\n",
 874             data + 4);
 875         if (data == NULL)
 876             break;
 877         if (memcmp(data,"\377SMB",4) == 0) {
 878             if (nbt_len > PTR_DIFF(maxbuf, data))
 879             printf("WARNING: Short packet. Try increasing the snap length (%lu)\n",
 880                (unsigned long)PTR_DIFF(maxbuf, data));
 881             print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
 882         } else
 883             printf("Session packet:(raw data?)\n");
 884         break;
 885
 886         case 0x81:
 887             data = smb_fdata(data,
 888                 "NBT Session Request\nFlags=[rW]\nDestination=[n1]\nSource=[n1]\n",
 889                 maxbuf);
 890             break;
 891
 892         case 0x82:
 893             data = smb_fdata(data, "NBT Session Granted\nFlags=[rW]\n", maxbuf);
 894             break;
 895
 896         case 0x83:
 897           {
 898             int ecode;
 899
 900             TCHECK(data[4]);
 901             ecode = data[4];
 902
 903             data = smb_fdata(data, "NBT SessionReject\nFlags=[rW]\nReason=[B]\n",
 904                 maxbuf);
 905             switch (ecode) {
 906             case 0x80:
 907                 printf("Not listening on called name\n");
 908                 break;
 909             case 0x81:
 910                 printf("Not listening for calling name\n");
 911                 break;
 912             case 0x82:
 913                 printf("Called name not present\n");
 914                 break;
 915             case 0x83:
 916                 printf("Called name present, but insufficient resources\n");
 917                 break;
 918             default:
 919                 printf("Unspecified error 0x%X\n", ecode);
 920                 break;
 921             }
 922           }
 923             break;
 924
 925         case 0x85:
 926             data = smb_fdata(data, "NBT Session Keepalive\nFlags=[rW]\n", maxbuf);
 927             break;
 928
 929         default:
 930             printf("flags=0x%x\n", flags);
 931             data = smb_fdata(data, "NBT - Unknown packet type\nType=[rW]\n", maxbuf);
 932     }
 933     printf("\n");
 934     fflush(stdout);
 935     return;
 936 trunc:
 937     printf("[|SMB]");
 938     return;
 939 }
 940
 941
 942 /*
 943  * print a NBT packet received across udp on port 137
 944  */
 945 void
 946 nbt_udp137_print(const u_char *data, int length)
 947 {
 948     const u_char *maxbuf = data + length;
 949     int name_trn_id, response, opcode, nm_flags, rcode;
 950     int qdcount, ancount, nscount, arcount;
 951     char *opcodestr;
 952     const char *p;
 953     int total, i;
 954
 955     TCHECK2(data[10], 2);
 956     name_trn_id = EXTRACT_16BITS(data);
 957     response = (data[2] >> 7);
 958     opcode = (data[2] >> 3) & 0xF;
 959     nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
 960     rcode = data[3] & 0xF;
 961     qdcount = EXTRACT_16BITS(data + 4);
 962     ancount = EXTRACT_16BITS(data + 6);
 963     nscount = EXTRACT_16BITS(data + 8);
 964     arcount = EXTRACT_16BITS(data + 10);
 965     startbuf = data;
 966
 967     if (maxbuf <= data)
 968         return;
 969
 970     if (vflag > 1)
 971         printf("\n>>> ");
 972
 973     printf("NBT UDP PACKET(137): ");
 974
 975     switch (opcode) {
 976     case 0: opcodestr = "QUERY"; break;
 977     case 5: opcodestr = "REGISTRATION"; break;
 978     case 6: opcodestr = "RELEASE"; break;
 979     case 7: opcodestr = "WACK"; break;
 980     case 8: opcodestr = "REFRESH(8)"; break;
 981     case 9: opcodestr = "REFRESH"; break;
 982     case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
 983     default: opcodestr = "OPUNKNOWN"; break;
 984     }
 985     printf("%s", opcodestr);
 986     if (response) {
 987         if (rcode)
 988             printf("; NEGATIVE");
 989         else
 990             printf("; POSITIVE");
 991     }
 992
 993     if (response)
 994         printf("; RESPONSE");
 995     else
 996         printf("; REQUEST");
 997
 998     if (nm_flags & 1)
 999         printf("; BROADCAST");
1000     else
1001         printf("; UNICAST");
1002
1003     if (vflag < 2)
1004         return;
1005
1006     printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
1007         name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
1008         arcount);
1009
1010     p = data + 12;
1011
1012     total = ancount + nscount + arcount;
1013
1014     if (qdcount > 100 || total > 100) {
1015         printf("Corrupt packet??\n");
1016         return;
1017     }
1018
1019     if (qdcount) {
1020         printf("QuestionRecords:\n");
1021         for (i = 0; i < qdcount; i++)
1022             p = smb_fdata(p,
1023                 "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
1024                 maxbuf);
1025         if (p == NULL)
1026             goto out;
1027     }
1028
1029     if (total) {
1030         printf("\nResourceRecords:\n");
1031         for (i = 0; i < total; i++) {
1032             int rdlen;
1033             int restype;
1034
1035             p = smb_fdata(p, "Name=[n1]\n#", maxbuf);
1036             if (p == NULL)
1037                 goto out;
1038             restype = EXTRACT_16BITS(p);
1039             p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8);
1040             if (p == NULL)
1041                 goto out;
1042             rdlen = EXTRACT_16BITS(p);
1043             printf("ResourceLength=%d\nResourceData=\n", rdlen);
1044             p += 2;
1045             if (rdlen == 6) {
1046                 p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen);
1047                 if (p == NULL)
1048                     goto out;
1049             } else {
1050                 if (restype == 0x21) {
1051                     int numnames;
1052
1053                     TCHECK(*p);
1054                     numnames = p[0];
1055                     p = smb_fdata(p, "NumNames=[B]\n", p + 1);
1056                     if (p == NULL)
1057                         goto out;
1058                     while (numnames--) {
1059                         p = smb_fdata(p, "Name=[n2]\t#", maxbuf);
1060                         TCHECK(*p);
1061                         if (p[0] & 0x80)
1062                             printf("<GROUP> ");
1063                         switch (p[0] & 0x60) {
1064                         case 0x00: printf("B "); break;
1065                         case 0x20: printf("P "); break;
1066                         case 0x40: printf("M "); break;
1067                         case 0x60: printf("_ "); break;
1068                         }
1069                         if (p[0] & 0x10)
1070                             printf("<DEREGISTERING> ");
1071                         if (p[0] & 0x08)
1072                             printf("<CONFLICT> ");
1073                         if (p[0] & 0x04)
1074                             printf("<ACTIVE> ");
1075                         if (p[0] & 0x02)
1076                             printf("<PERMANENT> ");
1077                         printf("\n");
1078                         p += 2;
1079                     }
1080                 } else {
1081                     print_data(p, min(rdlen, length - ((const u_char *)p - data)));
1082                     p += rdlen;
1083                 }
1084             }
1085         }
1086     }
1087
1088     if ((u_char*)p < maxbuf)
1089         smb_fdata(p, "AdditionalData:\n", maxbuf);
1090
1091 out:
1092     printf("\n");
1093     fflush(stdout);
1094     return;
1095 trunc:
1096     printf("[|SMB]");
1097     return;
1098 }
1099
1100
1101
1102 /*
1103  * print a NBT packet received across udp on port 138
1104  */
1105 void
1106 nbt_udp138_print(const u_char *data, int length)
1107 {
1108     const u_char *maxbuf = data + length;
1109
1110     if (maxbuf > snapend)
1111         maxbuf = snapend;
1112     if (maxbuf <= data)
1113         return;
1114     startbuf = data;
1115
1116     if (vflag < 2) {
1117         printf("NBT UDP PACKET(138)");
1118         return;
1119     }
1120
1121     data = smb_fdata(data,
1122         "\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#",
1123         maxbuf);
1124
1125     if (data != NULL) {
1126         /* If there isn't enough data for "\377SMB", don't check for it. */
1127         if (&data[3] >= maxbuf)
1128             goto out;
1129
1130         if (memcmp(data, "\377SMB",4) == 0)
1131             print_smb(data, maxbuf);
1132     }
1133 out:
1134     printf("\n");
1135     fflush(stdout);
1136 }
1137
1138
1139 /*
1140    print netbeui frames
1141 */
1142 void
1143 netbeui_print(u_short control, const u_char *data, int length)
1144 {
1145     const u_char *maxbuf = data + length;
1146     int len;
1147     int command;
1148     const u_char *data2;
1149     int is_truncated = 0;
1150
1151     if (maxbuf > snapend)
1152         maxbuf = snapend;
1153     TCHECK(data[4]);
1154     len = EXTRACT_LE_16BITS(data);
1155     command = data[4];
1156     data2 = data + len;
1157     if (data2 >= maxbuf) {
1158         data2 = maxbuf;
1159         is_truncated = 1;
1160     }
1161
1162     startbuf = data;
1163
1164     if (vflag < 2) {
1165         printf("NetBeui Packet");
1166         return;
1167     }
1168
1169     printf("\n>>> NetBeui Packet\nType=0x%X ", control);
1170     data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf);
1171     if (data == NULL)
1172         goto out;
1173
1174     switch (command) {
1175     case 0xA:
1176         data = smb_fdata(data, "NameQuery:[P1]\nSessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nDestination=[n2]\nSource=[n2]\n", data2);
1177         break;
1178
1179     case 0x8:
1180         data = smb_fdata(data,
1181             "NetbiosDataGram:[P7]\nDestination=[n2]\nSource=[n2]\n", data2);
1182         break;
1183
1184     case 0xE:
1185         data = smb_fdata(data,
1186             "NameRecognise:\n[P1]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n",
1187             data2);
1188         break;
1189
1190     case 0x19:
1191         data = smb_fdata(data,
1192             "SessionInitialise:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1193             data2);
1194         break;
1195
1196     case 0x17:
1197         data = smb_fdata(data,
1198             "SessionConfirm:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1199             data2);
1200         break;
1201
1202     case 0x16:
1203         data = smb_fdata(data,
1204             "NetbiosDataOnlyLast:\nFlags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1205             data2);
1206         break;
1207
1208     case 0x14:
1209         data = smb_fdata(data,
1210             "NetbiosDataAck:\n[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1211             data2);
1212         break;
1213
1214     case 0x18:
1215         data = smb_fdata(data,
1216             "SessionEnd:\n[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1217             data2);
1218         break;
1219
1220     case 0x1f:
1221         data = smb_fdata(data, "SessionAlive\n", data2);
1222         break;
1223
1224     default:
1225         data = smb_fdata(data, "Unknown Netbios Command ", data2);
1226         break;
1227     }
1228     if (data == NULL)
1229         goto out;
1230
1231     if (is_truncated) {
1232         /* data2 was past the end of the buffer */
1233         goto out;
1234     }
1235
1236     /* If there isn't enough data for "\377SMB", don't look for it. */
1237     if (&data2[3] >= maxbuf)
1238         goto out;
1239
1240     if (memcmp(data2, "\377SMB",4) == 0)
1241         print_smb(data2, maxbuf);
1242     else {
1243         int i;
1244         for (i = 0; i < 128; i++) {
1245             if (&data2[i + 3] >= maxbuf)
1246                 break;
1247             if (memcmp(&data2[i], "\377SMB", 4) == 0) {
1248                 printf("found SMB packet at %d\n", i);
1249                 print_smb(&data2[i], maxbuf);
1250                 break;
1251             }
1252         }
1253     }
1254
1255 out:
1256     printf("\n");
1257     return;
1258 trunc:
1259     printf("[|SMB]");
1260     return;
1261 }
1262
1263
1264 /*
1265  * print IPX-Netbios frames
1266  */
1267 void
1268 ipx_netbios_print(const u_char *data, u_int length)
1269 {
1270     /*
1271      * this is a hack till I work out how to parse the rest of the
1272      * NetBIOS-over-IPX stuff
1273      */
1274     int i;
1275     const u_char *maxbuf;
1276
1277     maxbuf = data + length;
1278     /* Don't go past the end of the captured data in the packet. */
1279     if (maxbuf > snapend)
1280         maxbuf = snapend;
1281     startbuf = data;
1282     for (i = 0; i < 128; i++) {
1283         if (&data[i + 4] > maxbuf)
1284             break;
1285         if (memcmp(&data[i], "\377SMB", 4) == 0) {
1286             smb_fdata(data, "\n>>> IPX transport ", &data[i]);
1287             if (data != NULL)
1288                 print_smb(&data[i], maxbuf);
1289             printf("\n");
1290             fflush(stdout);
1291             break;
1292         }
1293     }
1294     if (i == 128)
1295         smb_fdata(data, "\n>>> Unknown IPX ", maxbuf);
1296 }