contrib/tcpdump-3.8.3/print-smb.c

   1 /*
   2  * Copyright (C) Andrew Tridgell 1995-1999
   3  *
   4  * This software may be distributed either under the terms of the
   5  * BSD-style license that accompanies tcpdump or the GNU GPL version 2
   6  * or later
   7  */
   8
   9 #ifdef HAVE_CONFIG_H
  10 #include "config.h"
  11 #endif
  12
  13 #ifndef lint
  14 static const char rcsid[] _U_ =
  15      "@(#) $Header: /tcpdump/master/tcpdump/print-smb.c,v 1.27.2.2 2003/11/16 08:51:45 guy Exp $";
  16 #endif
  17
  18 #include <tcpdump-stdinc.h>
  19
  20 #include <stdio.h>
  21 #include <string.h>
  22
  23 #include "interface.h"
  24 #include "extract.h"
  25 #include "smb.h"
  26
  27 static int request = 0;
  28
  29 const u_char *startbuf = NULL;
  30
  31 struct smbdescript {
  32     const char *req_f1;
  33     const char *req_f2;
  34     const char *rep_f1;
  35     const char *rep_f2;
  36     void (*fn)(const u_char *, const u_char *, const u_char *, const u_char *);
  37 };
  38
  39 struct smbdescriptint {
  40     const char *req_f1;
  41     const char *req_f2;
  42     const char *rep_f1;
  43     const char *rep_f2;
  44     void (*fn)(const u_char *, const u_char *, int, int);
  45 };
  46
  47 struct smbfns
  48 {
  49     int id;
  50     const char *name;
  51     int flags;
  52     struct smbdescript descript;
  53 };
  54
  55 struct smbfnsint
  56 {
  57     int id;
  58     const char *name;
  59     int flags;
  60     struct smbdescriptint descript;
  61 };
  62
  63 #define DEFDESCRIPT     { NULL, NULL, NULL, NULL, NULL }
  64
  65 #define FLG_CHAIN       (1 << 0)
  66
  67 static struct smbfns *
  68 smbfind(int id, struct smbfns *list)
  69 {
  70     int sindex;
  71
  72     for (sindex = 0; list[sindex].name; sindex++)
  73         if (list[sindex].id == id)
  74             return(&list[sindex]);
  75
  76     return(&list[0]);
  77 }
  78
  79 static struct smbfnsint *
  80 smbfindint(int id, struct smbfnsint *list)
  81 {
  82     int sindex;
  83
  84     for (sindex = 0; list[sindex].name; sindex++)
  85         if (list[sindex].id == id)
  86             return(&list[sindex]);
  87
  88     return(&list[0]);
  89 }
  90
  91 static void
  92 trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
  93 {
  94     const char *fmt;
  95
  96     if (request)
  97         fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP5]\nFile=[S]\n";
  98     else
  99         fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n";
 100
 101     smb_fdata(param, fmt, param + pcnt);
 102     if (dcnt) {
 103         printf("data:\n");
 104         print_data(data, dcnt);
 105     }
 106 }
 107
 108 static void
 109 trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
 110 {
 111     static int level = 0;
 112     const char *fmt="";
 113
 114     if (request) {
 115         TCHECK2(*param, 2);
 116         level = EXTRACT_LE_16BITS(param);
 117         fmt = "InfoLevel=[d]\n";
 118         smb_fdata(param, fmt, param + pcnt);
 119     } else {
 120         switch (level) {
 121         case 1:
 122             fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n";
 123             break;
 124         case 2:
 125             fmt = "CreationTime=[T2]VolNameLength=[B]\nVolumeLabel=[s12]\n";
 126             break;
 127         case 0x105:
 128             fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[D]\nVolume=[S]\n";
 129             break;
 130         default:
 131             fmt = "UnknownLevel\n";
 132             break;
 133         }
 134         smb_fdata(data, fmt, data + dcnt);
 135     }
 136     if (dcnt) {
 137         printf("data:\n");
 138         print_data(data, dcnt);
 139     }
 140     return;
 141 trunc:
 142     printf("[|SMB]");
 143     return;
 144 }
 145
 146 struct smbfnsint trans2_fns[] = {
 147     { 0, "TRANSACT2_OPEN", 0,
 148         { "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[D]\nRes=([w, w, w, w, w])\nPath=[S]",
 149           NULL,
 150           "Handle=[d]\nAttrib=[A]\nTime=[T2]\nSize=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[d]\n|EALength=[d]\n",
 151           NULL, NULL }},
 152     { 1, "TRANSACT2_FINDFIRST", 0,
 153         { NULL, NULL, NULL, NULL, trans2_findfirst }},
 154     { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT },
 155     { 3, "TRANSACT2_QFSINFO", 0,
 156         { NULL, NULL, NULL, NULL, trans2_qfsinfo }},
 157     { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT },
 158     { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT },
 159     { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT },
 160     { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT },
 161     { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT },
 162     { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT },
 163     { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT },
 164     { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT },
 165     { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT },
 166     { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT },
 167     { -1, NULL, 0, DEFDESCRIPT }
 168 };
 169
 170
 171 static void
 172 print_trans2(const u_char *words, const u_char *dat _U_, const u_char *buf, const u_char *maxbuf)
 173 {
 174     static struct smbfnsint *fn = &trans2_fns[0];
 175     const u_char *data, *param;
 176     const u_char *w = words + 1;
 177     const char *f1 = NULL, *f2 = NULL;
 178     int pcnt, dcnt;
 179
 180     TCHECK(words[0]);
 181     if (request) {
 182         TCHECK2(w[14 * 2], 2);
 183         pcnt = EXTRACT_LE_16BITS(w + 9 * 2);
 184         param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
 185         dcnt = EXTRACT_LE_16BITS(w + 11 * 2);
 186         data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
 187         fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
 188     } else {
 189         if (words[0] == 0) {
 190             printf("%s\n", fn->name);
 191             printf("Trans2Interim\n");
 192             return;
 193         }
 194         TCHECK2(w[7 * 2], 2);
 195         pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
 196         param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
 197         dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
 198         data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
 199     }
 200
 201     printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);
 202
 203     if (request) {
 204         if (words[0] == 8) {
 205             smb_fdata(words + 1,
 206                 "Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
 207                 maxbuf);
 208             return;
 209         } else {
 210             smb_fdata(words + 1,
 211                 "TotParam=[d]\nTotData=[d]\nMaxParam=[d]\nMaxData=[d]\nMaxSetup=[d]\nFlags=[w]\nTimeOut=[D]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nDataCnt=[d]\nDataOff=[d]\nSetupCnt=[d]\n",
 212                 words + 1 + 14 * 2);
 213             smb_fdata(data + 1, "TransactionName=[S]\n%", maxbuf);
 214         }
 215         f1 = fn->descript.req_f1;
 216         f2 = fn->descript.req_f2;
 217     } else {
 218         smb_fdata(words + 1,
 219             "TotParam=[d]\nTotData=[d]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nParamDisp[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nSetupCnt=[d]\n",
 220             words + 1 + 10 * 2);
 221         f1 = fn->descript.rep_f1;
 222         f2 = fn->descript.rep_f2;
 223     }
 224
 225     if (fn->descript.fn)
 226         (*fn->descript.fn)(param, data, pcnt, dcnt);
 227     else {
 228         smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt);
 229         smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt);
 230     }
 231     return;
 232 trunc:
 233     printf("[|SMB]");
 234     return;
 235 }
 236
 237
 238 static void
 239 print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
 240 {
 241     const u_char *maxbuf = data + datalen;
 242     int command;
 243
 244     TCHECK(data[0]);
 245     command = data[0];
 246
 247     smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen);
 248
 249     switch (command) {
 250     case 0xF:
 251         data = smb_fdata(data,
 252             "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 253             maxbuf);
 254         break;
 255
 256     case 0x1:
 257         data = smb_fdata(data,
 258             "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 259             maxbuf);
 260         break;
 261
 262     case 0x2:
 263         data = smb_fdata(data,
 264             "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
 265             maxbuf);
 266         break;
 267
 268     case 0xc:
 269         data = smb_fdata(data,
 270             "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n",
 271             maxbuf);
 272         break;
 273
 274     case 0x8:
 275         data = smb_fdata(data,
 276             "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
 277             maxbuf);
 278         break;
 279
 280     case 0xb:
 281         data = smb_fdata(data,
 282             "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
 283             maxbuf);
 284         break;
 285
 286     case 0x9:
 287         data = smb_fdata(data,
 288             "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken?=[B]\n",
 289             maxbuf);
 290         break;
 291
 292     case 0xa:
 293         data = smb_fdata(data,
 294             "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken?=[B]*Name=[S]\n",
 295             maxbuf);
 296         break;
 297
 298     case 0xd:
 299         data = smb_fdata(data,
 300             "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
 301             maxbuf);
 302         break;
 303
 304     case 0xe:
 305         data = smb_fdata(data,
 306             "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf);
 307         break;
 308
 309     default:
 310         data = smb_fdata(data, "Unknown Browser Frame ", maxbuf);
 311         break;
 312     }
 313     return;
 314 trunc:
 315     printf("[|SMB]");
 316     return;
 317 }
 318
 319
 320 static void
 321 print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
 322 {
 323     if (paramlen)
 324         smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen);
 325     if (datalen)
 326         smb_fdata(data, "IPC ", data + datalen);
 327 }
 328
 329
 330 static void
 331 print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
 332 {
 333     const char *f1, *f2, *f3, *f4;
 334     const u_char *data, *param;
 335     const u_char *w = words + 1;
 336     int datalen, paramlen;
 337
 338     if (request) {
 339         TCHECK2(w[12 * 2], 2);
 340         paramlen = EXTRACT_LE_16BITS(w + 9 * 2);
 341         param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
 342         datalen = EXTRACT_LE_16BITS(w + 11 * 2);
 343         data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
 344         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";
 345         f2 = "|Name=[S]\n";
 346         f3 = "|Param ";
 347         f4 = "|Data ";
 348     } else {
 349         TCHECK2(w[7 * 2], 2);
 350         paramlen = EXTRACT_LE_16BITS(w + 3 * 2);
 351         param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
 352         datalen = EXTRACT_LE_16BITS(w + 6 * 2);
 353         data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
 354         f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n";
 355         f2 = "|Unknown ";
 356         f3 = "|Param ";
 357         f4 = "|Data ";
 358     }
 359
 360     smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf));
 361     smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen));
 362
 363     if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
 364         print_browse(param, paramlen, data, datalen);
 365         return;
 366     }
 367
 368     if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
 369         print_ipc(param, paramlen, data, datalen);
 370         return;
 371     }
 372
 373     if (paramlen)
 374         smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf));
 375     if (datalen)
 376         smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf));
 377     return;
 378 trunc:
 379     printf("[|SMB]");
 380     return;
 381 }
 382
 383
 384 static void
 385 print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
 386 {
 387     u_int wcnt;
 388     const char *f1 = NULL, *f2 = NULL;
 389
 390     TCHECK(words[0]);
 391     wcnt = words[0];
 392     if (request)
 393         f2 = "*|Dialect=[Z]\n";
 394     else {
 395         if (wcnt == 1)
 396             f1 = "Core Protocol\nDialectIndex=[d]";
 397         else if (wcnt == 17)
 398             f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey=";
 399         else if (wcnt == 13)
 400             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=";
 401     }
 402
 403     if (f1)
 404         smb_fdata(words + 1, f1, SMBMIN(words + 1 + wcnt * 2, maxbuf));
 405     else
 406         print_data(words + 1, SMBMIN(wcnt * 2, 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 _U_, const u_char *maxbuf)
 421 {
 422     u_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 (wcnt == 3) {
 434             f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
 435         } else if (wcnt == 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 + wcnt * 2, maxbuf));
 443     else
 444         print_data(words + 1, SMBMIN(wcnt * 2, PTR_DIFF(maxbuf, words + 1)));
 445
 446     TCHECK2(*data, 2);
 447     if (f2)
 448         smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf));
 449     else
 450         print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 451     return;
 452 trunc:
 453     printf("[|SMB]");
 454     return;
 455 }
 456
 457
 458 static struct smbfns smb_fns[] = {
 459     { -1, "SMBunknown", 0, DEFDESCRIPT },
 460
 461     { SMBtcon, "SMBtcon", 0,
 462         { NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
 463           "MaxXmit=[d]\nTreeId=[d]\n", NULL,
 464           NULL } },
 465
 466     { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
 467     { SMBexit,  "SMBexit", 0, DEFDESCRIPT },
 468     { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },
 469
 470     { SMBecho, "SMBecho", 0,
 471         { "ReverbCount=[d]\n", NULL,
 472           "SequenceNum=[d]\n", NULL,
 473           NULL } },
 474
 475     { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },
 476
 477     { SMBgetatr, "SMBgetatr", 0,
 478         { NULL, "Path=[Z]\n",
 479           "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
 480           NULL } },
 481
 482     { SMBsetatr, "SMBsetatr", 0,
 483         { "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
 484           NULL, NULL, NULL } },
 485
 486     { SMBchkpth, "SMBchkpth", 0,
 487        { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 488
 489     { SMBsearch, "SMBsearch", 0,
 490         { "Count=[d]\nAttrib=[A]\n",
 491           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n",
 492           "Count=[d]\n",
 493           "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",
 494           NULL } },
 495
 496     { SMBopen, "SMBopen", 0,
 497         { "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n",
 498           "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",
 499           NULL, NULL } },
 500
 501     { SMBcreate, "SMBcreate", 0,
 502         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 503
 504     { SMBmknew, "SMBmknew", 0,
 505         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 506
 507     { SMBunlink, "SMBunlink", 0,
 508         { "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } },
 509
 510     { SMBread, "SMBread", 0,
 511         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 512           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 513
 514     { SMBwrite, "SMBwrite", 0,
 515         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 516           "Count=[d]\n", NULL, NULL } },
 517
 518     { SMBclose, "SMBclose", 0,
 519         { "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } },
 520
 521     { SMBmkdir, "SMBmkdir", 0,
 522         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 523
 524     { SMBrmdir, "SMBrmdir", 0,
 525         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 526
 527     { SMBdskattr, "SMBdskattr", 0,
 528         { NULL, NULL,
 529           "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
 530           NULL, NULL } },
 531
 532     { SMBmv, "SMBmv", 0,
 533         { "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },
 534
 535     /*
 536      * this is a Pathworks specific call, allowing the
 537      * changing of the root path
 538      */
 539     { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 540
 541     { SMBlseek, "SMBlseek", 0,
 542         { "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } },
 543
 544     { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 545
 546     { SMBsplopen, "SMBsplopen", 0,
 547         { "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n",
 548           NULL, NULL } },
 549
 550     { SMBsplclose, "SMBsplclose", 0,
 551         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 552
 553     { SMBsplretq, "SMBsplretq", 0,
 554         { "MaxCount=[d]\nStartIndex=[d]\n", NULL,
 555           "Count=[d]\nIndex=[d]\n",
 556           "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n",
 557           NULL } },
 558
 559     { SMBsplwr, "SMBsplwr", 0,
 560         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 561
 562     { SMBlock, "SMBlock", 0,
 563         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 564
 565     { SMBunlock, "SMBunlock", 0,
 566         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 567
 568     /* CORE+ PROTOCOL FOLLOWS */
 569
 570     { SMBreadbraw, "SMBreadbraw", 0,
 571         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
 572           NULL, NULL, NULL, NULL } },
 573
 574     { SMBwritebraw, "SMBwritebraw", 0,
 575         { "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n",
 576           NULL, "WriteRawAck", NULL, NULL } },
 577
 578     { SMBwritec, "SMBwritec", 0,
 579         { NULL, NULL, "Count=[d]\n", NULL, NULL } },
 580
 581     { SMBwriteclose, "SMBwriteclose", 0,
 582         { "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
 583           NULL, "Count=[d]\n", NULL, NULL } },
 584
 585     { SMBlockread, "SMBlockread", 0,
 586         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 587           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 588
 589     { SMBwriteunlock, "SMBwriteunlock", 0,
 590         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 591           "Count=[d]\n", NULL, NULL } },
 592
 593     { SMBreadBmpx, "SMBreadBmpx", 0,
 594         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n",
 595           NULL,
 596           "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n",
 597           NULL, NULL } },
 598
 599     { SMBwriteBmpx, "SMBwriteBmpx", 0,
 600         { "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL,
 601           "Remaining=[d]\n", NULL, NULL } },
 602
 603     { SMBwriteBs, "SMBwriteBs", 0,
 604         { "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
 605           NULL, "Count=[d]\n", NULL, NULL } },
 606
 607     { SMBsetattrE, "SMBsetattrE", 0,
 608         { "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
 609           NULL, NULL, NULL } },
 610
 611     { SMBgetattrE, "SMBgetattrE", 0,
 612         { "Handle=[d]\n", NULL,
 613           "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
 614           NULL, NULL } },
 615
 616     { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
 617     { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },
 618
 619     { SMBcopy, "SMBcopy", 0,
 620         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 621           "CopyCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 622
 623     { SMBmove, "SMBmove", 0,
 624         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 625           "MoveCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 626
 627     { SMBopenX, "SMBopenX", FLG_CHAIN,
 628         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n",
 629           "Path=[S]\n",
 630           "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",
 631           NULL, NULL } },
 632
 633     { SMBreadX, "SMBreadX", FLG_CHAIN,
 634         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n",
 635           NULL,
 636           "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n",
 637           NULL, NULL } },
 638
 639     { SMBwriteX, "SMBwriteX", FLG_CHAIN,
 640         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n",
 641           NULL,
 642           "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
 643           NULL, NULL } },
 644
 645     { SMBlockingX, "SMBlockingX", FLG_CHAIN,
 646         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n",
 647           "*Process=[d]\nOffset=[D]\nLength=[D]\n",
 648           "Com2=[w]\nOff2=[d]\n", NULL, NULL } },
 649
 650     { SMBffirst, "SMBffirst", 0,
 651         { "Count=[d]\nAttrib=[A]\n",
 652           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 653           "Count=[d]\n",
 654           "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",
 655           NULL } },
 656
 657     { SMBfunique, "SMBfunique", 0,
 658         { "Count=[d]\nAttrib=[A]\n",
 659           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 660           "Count=[d]\n",
 661           "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",
 662           NULL } },
 663
 664     { SMBfclose, "SMBfclose", 0,
 665         { "Count=[d]\nAttrib=[A]\n",
 666           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 667           "Count=[d]\n",
 668           "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",
 669           NULL } },
 670
 671     { SMBfindnclose, "SMBfindnclose", 0,
 672         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 673
 674     { SMBfindclose, "SMBfindclose", 0,
 675         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 676
 677     { SMBsends, "SMBsends", 0,
 678         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 679
 680     { SMBsendstrt, "SMBsendstrt", 0,
 681         { NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } },
 682
 683     { SMBsendend, "SMBsendend", 0,
 684         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 685
 686     { SMBsendtxt, "SMBsendtxt", 0,
 687         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 688
 689     { SMBsendb, "SMBsendb", 0,
 690         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 691
 692     { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT },
 693     { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT },
 694     { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT },
 695
 696     { SMBnegprot, "SMBnegprot", 0,
 697         { NULL, NULL, NULL, NULL, print_negprot } },
 698
 699     { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN,
 700         { NULL, NULL, NULL, NULL, print_sesssetup } },
 701
 702     { SMBtconX, "SMBtconX", FLG_CHAIN,
 703         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
 704           NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[S]\n", NULL } },
 705
 706     { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
 707
 708     { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
 709     { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
 710     { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
 711     { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },
 712
 713     { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
 714     { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },
 715
 716     { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
 717         { "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",
 718           "Path=[S]\n",
 719           "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",
 720           NULL, NULL } },
 721
 722     { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },
 723
 724     { -1, NULL, 0, DEFDESCRIPT }
 725 };
 726
 727
 728 /*
 729  * print a SMB message
 730  */
 731 static void
 732 print_smb(const u_char *buf, const u_char *maxbuf)
 733 {
 734     int command;
 735     const u_char *words, *data;
 736     struct smbfns *fn;
 737     const char *fmt_smbheader =
 738         "[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";
 739
 740
 741     TCHECK(buf[9]);
 742     request = (buf[9] & 0x80) ? 0 : 1;
 743
 744     command = buf[4];
 745
 746     fn = smbfind(command, smb_fns);
 747
 748     if (vflag > 1)
 749         printf("\n");
 750
 751     printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");
 752
 753     if (vflag < 2)
 754         return;
 755
 756     /* print out the header */
 757     smb_fdata(buf, fmt_smbheader, buf + 33);
 758
 759     if (buf[5])
 760         printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
 761
 762     words = buf + 32;
 763     TCHECK(words[0]);
 764
 765     for (;;) {
 766         const char *f1, *f2;
 767         int wct;
 768         u_int bcc;
 769
 770         TCHECK(words[0]);
 771         wct = words[0];
 772         data = words + 1 + wct * 2;
 773
 774         if (request) {
 775             f1 = fn->descript.req_f1;
 776             f2 = fn->descript.req_f2;
 777         } else {
 778             f1 = fn->descript.rep_f1;
 779             f2 = fn->descript.rep_f2;
 780         }
 781
 782         if (fn->descript.fn)
 783             (*fn->descript.fn)(words, data, buf, maxbuf);
 784         else {
 785             if (wct) {
 786                 printf("smbvwv[]=\n");
 787                 if (f1)
 788                     smb_fdata(words + 1, f1, words + 1 + wct * 2);
 789                 else {
 790                     int i;
 791                     int v;
 792
 793                     for (i = 0; i < wct; i++) {
 794                         TCHECK2(words[1 + 2 * i], 2);
 795                         v = EXTRACT_LE_16BITS(words + 1 + 2 * i);
 796                         printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v);
 797                     }
 798                 }
 799             }
 800
 801             TCHECK2(*data, 2);
 802             bcc = EXTRACT_LE_16BITS(data);
 803             if (f2) {
 804                 if (bcc > 0) {
 805                     printf("smbbuf[]=\n");
 806                     smb_fdata(data + 2, f2, data + 2 + bcc);
 807                 }
 808             } else {
 809                 printf("smb_bcc=%u\n", bcc);
 810                 if (bcc > 0) {
 811                     printf("smb_buf[]=\n");
 812                     print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
 813                 }
 814             }
 815         }
 816
 817         if ((fn->flags & FLG_CHAIN) == 0)
 818             break;
 819         if (wct == 0)
 820             break;
 821         TCHECK(words[1]);
 822         command = EXTRACT_LE_16BITS(words + 1);
 823         if (command == 0xFF)
 824             break;
 825         TCHECK2(words[3], 2);
 826         words = buf + EXTRACT_LE_16BITS(words + 3);
 827
 828         fn = smbfind(command, smb_fns);
 829
 830         printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
 831             fn->name, request ? "REQUEST" : "REPLY");
 832     }
 833
 834     printf("\n");
 835     return;
 836 trunc:
 837     printf("[|SMB]");
 838     return;
 839 }
 840
 841
 842 /*
 843  * print a NBT packet received across tcp on port 139
 844  */
 845 void
 846 nbt_tcp_print(const u_char *data, int length)
 847 {
 848     const u_char *maxbuf = data + length;
 849     int flags;
 850     u_int nbt_len;
 851
 852     TCHECK2(data[2], 2);
 853     flags = data[0];
 854     nbt_len = EXTRACT_16BITS(data + 2);
 855
 856     startbuf = data;
 857     if (maxbuf <= data)
 858         return;
 859
 860     if (vflag > 1)
 861         printf ("\n>>>");
 862
 863     printf(" NBT Packet");
 864
 865     if (vflag < 2)
 866         return;
 867
 868     printf("\n");
 869
 870     switch (flags) {
 871     case 1:
 872         printf("flags=0x%x\n", flags);
 873     case 0:
 874         data = smb_fdata(data, "NBT Session Packet\nFlags=[rw]\nLength=[rd]\n",
 875             data + 4);
 876         if (data == NULL)
 877             break;
 878         if (memcmp(data,"\377SMB",4) == 0) {
 879             if (nbt_len > PTR_DIFF(maxbuf, data))
 880             printf("WARNING: Short packet. Try increasing the snap length (%lu)\n",
 881                (unsigned long)PTR_DIFF(maxbuf, data));
 882             print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
 883         } else
 884             printf("Session packet:(raw data?)\n");
 885         break;
 886
 887         case 0x81:
 888             data = smb_fdata(data,
 889                 "NBT Session Request\nFlags=[rW]\nDestination=[n1]\nSource=[n1]\n",
 890                 maxbuf);
 891             break;
 892
 893         case 0x82:
 894             data = smb_fdata(data, "NBT Session Granted\nFlags=[rW]\n", maxbuf);
 895             break;
 896
 897         case 0x83:
 898           {
 899             int ecode;
 900
 901             TCHECK(data[4]);
 902             ecode = data[4];
 903
 904             data = smb_fdata(data, "NBT SessionReject\nFlags=[rW]\nReason=[B]\n",
 905                 maxbuf);
 906             switch (ecode) {
 907             case 0x80:
 908                 printf("Not listening on called name\n");
 909                 break;
 910             case 0x81:
 911                 printf("Not listening for calling name\n");
 912                 break;
 913             case 0x82:
 914                 printf("Called name not present\n");
 915                 break;
 916             case 0x83:
 917                 printf("Called name present, but insufficient resources\n");
 918                 break;
 919             default:
 920                 printf("Unspecified error 0x%X\n", ecode);
 921                 break;
 922             }
 923           }
 924             break;
 925
 926         case 0x85:
 927             data = smb_fdata(data, "NBT Session Keepalive\nFlags=[rW]\n", maxbuf);
 928             break;
 929
 930         default:
 931             printf("flags=0x%x\n", flags);
 932             data = smb_fdata(data, "NBT - Unknown packet type\nType=[rW]\n", maxbuf);
 933     }
 934     printf("\n");
 935     fflush(stdout);
 936     return;
 937 trunc:
 938     printf("[|SMB]");
 939     return;
 940 }
 941
 942
 943 /*
 944  * print a NBT packet received across udp on port 137
 945  */
 946 void
 947 nbt_udp137_print(const u_char *data, int length)
 948 {
 949     const u_char *maxbuf = data + length;
 950     int name_trn_id, response, opcode, nm_flags, rcode;
 951     int qdcount, ancount, nscount, arcount;
 952     const char *opcodestr;
 953     const u_char *p;
 954     int total, i;
 955
 956     TCHECK2(data[10], 2);
 957     name_trn_id = EXTRACT_16BITS(data);
 958     response = (data[2] >> 7);
 959     opcode = (data[2] >> 3) & 0xF;
 960     nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
 961     rcode = data[3] & 0xF;
 962     qdcount = EXTRACT_16BITS(data + 4);
 963     ancount = EXTRACT_16BITS(data + 6);
 964     nscount = EXTRACT_16BITS(data + 8);
 965     arcount = EXTRACT_16BITS(data + 10);
 966     startbuf = data;
 967
 968     if (maxbuf <= data)
 969         return;
 970
 971     if (vflag > 1)
 972         printf("\n>>> ");
 973
 974     printf("NBT UDP PACKET(137): ");
 975
 976     switch (opcode) {
 977     case 0: opcodestr = "QUERY"; break;
 978     case 5: opcodestr = "REGISTRATION"; break;
 979     case 6: opcodestr = "RELEASE"; break;
 980     case 7: opcodestr = "WACK"; break;
 981     case 8: opcodestr = "REFRESH(8)"; break;
 982     case 9: opcodestr = "REFRESH"; break;
 983     case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
 984     default: opcodestr = "OPUNKNOWN"; break;
 985     }
 986     printf("%s", opcodestr);
 987     if (response) {
 988         if (rcode)
 989             printf("; NEGATIVE");
 990         else
 991             printf("; POSITIVE");
 992     }
 993
 994     if (response)
 995         printf("; RESPONSE");
 996     else
 997         printf("; REQUEST");
 998
 999     if (nm_flags & 1)
1000         printf("; BROADCAST");
1001     else
1002         printf("; UNICAST");
1003
1004     if (vflag < 2)
1005         return;
1006
1007     printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
1008         name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
1009         arcount);
1010
1011     p = data + 12;
1012
1013     total = ancount + nscount + arcount;
1014
1015     if (qdcount > 100 || total > 100) {
1016         printf("Corrupt packet??\n");
1017         return;
1018     }
1019
1020     if (qdcount) {
1021         printf("QuestionRecords:\n");
1022         for (i = 0; i < qdcount; i++)
1023             p = smb_fdata(p,
1024                 "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
1025                 maxbuf);
1026         if (p == NULL)
1027             goto out;
1028     }
1029
1030     if (total) {
1031         printf("\nResourceRecords:\n");
1032         for (i = 0; i < total; i++) {
1033             int rdlen;
1034             int restype;
1035
1036             p = smb_fdata(p, "Name=[n1]\n#", maxbuf);
1037             if (p == NULL)
1038                 goto out;
1039             restype = EXTRACT_16BITS(p);
1040             p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8);
1041             if (p == NULL)
1042                 goto out;
1043             rdlen = EXTRACT_16BITS(p);
1044             printf("ResourceLength=%d\nResourceData=\n", rdlen);
1045             p += 2;
1046             if (rdlen == 6) {
1047                 p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen);
1048                 if (p == NULL)
1049                     goto out;
1050             } else {
1051                 if (restype == 0x21) {
1052                     int numnames;
1053
1054                     TCHECK(*p);
1055                     numnames = p[0];
1056                     p = smb_fdata(p, "NumNames=[B]\n", p + 1);
1057                     if (p == NULL)
1058                         goto out;
1059                     while (numnames--) {
1060                         p = smb_fdata(p, "Name=[n2]\t#", maxbuf);
1061                         TCHECK(*p);
1062                         if (p[0] & 0x80)
1063                             printf("<GROUP> ");
1064                         switch (p[0] & 0x60) {
1065                         case 0x00: printf("B "); break;
1066                         case 0x20: printf("P "); break;
1067                         case 0x40: printf("M "); break;
1068                         case 0x60: printf("_ "); break;
1069                         }
1070                         if (p[0] & 0x10)
1071                             printf("<DEREGISTERING> ");
1072                         if (p[0] & 0x08)
1073                             printf("<CONFLICT> ");
1074                         if (p[0] & 0x04)
1075                             printf("<ACTIVE> ");
1076                         if (p[0] & 0x02)
1077                             printf("<PERMANENT> ");
1078                         printf("\n");
1079                         p += 2;
1080                     }
1081                 } else {
1082                     print_data(p, min(rdlen, length - (p - data)));
1083                     p += rdlen;
1084                 }
1085             }
1086         }
1087     }
1088
1089     if (p < maxbuf)
1090         smb_fdata(p, "AdditionalData:\n", maxbuf);
1091
1092 out:
1093     printf("\n");
1094     fflush(stdout);
1095     return;
1096 trunc:
1097     printf("[|SMB]");
1098     return;
1099 }
1100
1101
1102
1103 /*
1104  * print a NBT packet received across udp on port 138
1105  */
1106 void
1107 nbt_udp138_print(const u_char *data, int length)
1108 {
1109     const u_char *maxbuf = data + length;
1110
1111     if (maxbuf > snapend)
1112         maxbuf = snapend;
1113     if (maxbuf <= data)
1114         return;
1115     startbuf = data;
1116
1117     if (vflag < 2) {
1118         printf("NBT UDP PACKET(138)");
1119         return;
1120     }
1121
1122     data = smb_fdata(data,
1123         "\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#",
1124         maxbuf);
1125
1126     if (data != NULL) {
1127         /* If there isn't enough data for "\377SMB", don't check for it. */
1128         if (&data[3] >= maxbuf)
1129             goto out;
1130
1131         if (memcmp(data, "\377SMB",4) == 0)
1132             print_smb(data, maxbuf);
1133     }
1134 out:
1135     printf("\n");
1136     fflush(stdout);
1137 }
1138
1139
1140 /*
1141    print netbeui frames
1142 */
1143 void
1144 netbeui_print(u_short control, const u_char *data, int length)
1145 {
1146     const u_char *maxbuf = data + length;
1147     int len;
1148     int command;
1149     const u_char *data2;
1150     int is_truncated = 0;
1151
1152     if (maxbuf > snapend)
1153         maxbuf = snapend;
1154     TCHECK(data[4]);
1155     len = EXTRACT_LE_16BITS(data);
1156     command = data[4];
1157     data2 = data + len;
1158     if (data2 >= maxbuf) {
1159         data2 = maxbuf;
1160         is_truncated = 1;
1161     }
1162
1163     startbuf = data;
1164
1165     if (vflag < 2) {
1166         printf("NetBeui Packet");
1167         return;
1168     }
1169
1170     printf("\n>>> NetBeui Packet\nType=0x%X ", control);
1171     data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf);
1172     if (data == NULL)
1173         goto out;
1174
1175     switch (command) {
1176     case 0xA:
1177         data = smb_fdata(data, "NameQuery:[P1]\nSessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nDestination=[n2]\nSource=[n2]\n", data2);
1178         break;
1179
1180     case 0x8:
1181         data = smb_fdata(data,
1182             "NetbiosDataGram:[P7]\nDestination=[n2]\nSource=[n2]\n", data2);
1183         break;
1184
1185     case 0xE:
1186         data = smb_fdata(data,
1187             "NameRecognise:\n[P1]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n",
1188             data2);
1189         break;
1190
1191     case 0x19:
1192         data = smb_fdata(data,
1193             "SessionInitialise:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1194             data2);
1195         break;
1196
1197     case 0x17:
1198         data = smb_fdata(data,
1199             "SessionConfirm:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1200             data2);
1201         break;
1202
1203     case 0x16:
1204         data = smb_fdata(data,
1205             "NetbiosDataOnlyLast:\nFlags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1206             data2);
1207         break;
1208
1209     case 0x14:
1210         data = smb_fdata(data,
1211             "NetbiosDataAck:\n[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1212             data2);
1213         break;
1214
1215     case 0x18:
1216         data = smb_fdata(data,
1217             "SessionEnd:\n[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1218             data2);
1219         break;
1220
1221     case 0x1f:
1222         data = smb_fdata(data, "SessionAlive\n", data2);
1223         break;
1224
1225     default:
1226         data = smb_fdata(data, "Unknown Netbios Command ", data2);
1227         break;
1228     }
1229     if (data == NULL)
1230         goto out;
1231
1232     if (is_truncated) {
1233         /* data2 was past the end of the buffer */
1234         goto out;
1235     }
1236
1237     /* If there isn't enough data for "\377SMB", don't look for it. */
1238     if (&data2[3] >= maxbuf)
1239         goto out;
1240
1241     if (memcmp(data2, "\377SMB",4) == 0)
1242         print_smb(data2, maxbuf);
1243     else {
1244         int i;
1245         for (i = 0; i < 128; i++) {
1246             if (&data2[i + 3] >= maxbuf)
1247                 break;
1248             if (memcmp(&data2[i], "\377SMB", 4) == 0) {
1249                 printf("found SMB packet at %d\n", i);
1250                 print_smb(&data2[i], maxbuf);
1251                 break;
1252             }
1253         }
1254     }
1255
1256 out:
1257     printf("\n");
1258     return;
1259 trunc:
1260     printf("[|SMB]");
1261     return;
1262 }
1263
1264
1265 /*
1266  * print IPX-Netbios frames
1267  */
1268 void
1269 ipx_netbios_print(const u_char *data, u_int length)
1270 {
1271     /*
1272      * this is a hack till I work out how to parse the rest of the
1273      * NetBIOS-over-IPX stuff
1274      */
1275     int i;
1276     const u_char *maxbuf;
1277
1278     maxbuf = data + length;
1279     /* Don't go past the end of the captured data in the packet. */
1280     if (maxbuf > snapend)
1281         maxbuf = snapend;
1282     startbuf = data;
1283     for (i = 0; i < 128; i++) {
1284         if (&data[i + 4] > maxbuf)
1285             break;
1286         if (memcmp(&data[i], "\377SMB", 4) == 0) {
1287             smb_fdata(data, "\n>>> IPX transport ", &data[i]);
1288             if (data != NULL)
1289                 print_smb(&data[i], maxbuf);
1290             printf("\n");
1291             fflush(stdout);
1292             break;
1293         }
1294     }
1295     if (i == 128)
1296         smb_fdata(data, "\n>>> Unknown IPX ", maxbuf);
1297 }