The Tcpdump Group git mirrors - tcpdump/blob - print-smb.c

   1 /*
   2  * Copyright (C) Andrew Tridgell 1995-1999
   3  *
   4  * This software may be distributed either under the terms of the
   5  * BSD-style license that accompanies tcpdump or the GNU GPL version 2
   6  * or later
   7  */
   8
   9 #ifdef HAVE_CONFIG_H
  10 #include "config.h"
  11 #endif
  12
  13 #ifndef lint
  14 static const char rcsid[] _U_ =
  15      "@(#) $Header: /tcpdump/master/tcpdump/print-smb.c,v 1.40 2004-12-29 03:10:24 guy Exp $";
  16 #endif
  17
  18 #include <tcpdump-stdinc.h>
  19
  20 #include <stdio.h>
  21 #include <string.h>
  22
  23 #include "interface.h"
  24 #include "extract.h"
  25 #include "smb.h"
  26
  27 static int request = 0;
  28 static int unicodestr = 0;
  29
  30 const u_char *startbuf = NULL;
  31
  32 struct smbdescript {
  33     const char *req_f1;
  34     const char *req_f2;
  35     const char *rep_f1;
  36     const char *rep_f2;
  37     void (*fn)(const u_char *, const u_char *, const u_char *, const u_char *);
  38 };
  39
  40 struct smbdescriptint {
  41     const char *req_f1;
  42     const char *req_f2;
  43     const char *rep_f1;
  44     const char *rep_f2;
  45     void (*fn)(const u_char *, const u_char *, int, int);
  46 };
  47
  48 struct smbfns
  49 {
  50     int id;
  51     const char *name;
  52     int flags;
  53     struct smbdescript descript;
  54 };
  55
  56 struct smbfnsint
  57 {
  58     int id;
  59     const char *name;
  60     int flags;
  61     struct smbdescriptint descript;
  62 };
  63
  64 #define DEFDESCRIPT     { NULL, NULL, NULL, NULL, NULL }
  65
  66 #define FLG_CHAIN       (1 << 0)
  67
  68 static struct smbfns *
  69 smbfind(int id, struct smbfns *list)
  70 {
  71     int sindex;
  72
  73     for (sindex = 0; list[sindex].name; sindex++)
  74         if (list[sindex].id == id)
  75             return(&list[sindex]);
  76
  77     return(&list[0]);
  78 }
  79
  80 static struct smbfnsint *
  81 smbfindint(int id, struct smbfnsint *list)
  82 {
  83     int sindex;
  84
  85     for (sindex = 0; list[sindex].name; sindex++)
  86         if (list[sindex].id == id)
  87             return(&list[sindex]);
  88
  89     return(&list[0]);
  90 }
  91
  92 static void
  93 trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
  94 {
  95     const char *fmt;
  96
  97     if (request)
  98         fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP4]\nFile=[S]\n";
  99     else
 100         fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n";
 101
 102     smb_fdata(param, fmt, param + pcnt, unicodestr);
 103     if (dcnt) {
 104         printf("data:\n");
 105         print_data(data, dcnt);
 106     }
 107 }
 108
 109 static void
 110 trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
 111 {
 112     static int level = 0;
 113     const char *fmt="";
 114
 115     if (request) {
 116         TCHECK2(*param, 2);
 117         level = EXTRACT_LE_16BITS(param);
 118         fmt = "InfoLevel=[d]\n";
 119         smb_fdata(param, fmt, param + pcnt, unicodestr);
 120     } else {
 121         switch (level) {
 122         case 1:
 123             fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n";
 124             break;
 125         case 2:
 126             fmt = "CreationTime=[T2]VolNameLength=[lb]\nVolumeLabel=[c]\n";
 127             break;
 128         case 0x105:
 129             fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[lD]\nVolume=[C]\n";
 130             break;
 131         default:
 132             fmt = "UnknownLevel\n";
 133             break;
 134         }
 135         smb_fdata(data, fmt, data + dcnt, unicodestr);
 136     }
 137     if (dcnt) {
 138         printf("data:\n");
 139         print_data(data, dcnt);
 140     }
 141     return;
 142 trunc:
 143     printf("[|SMB]");
 144     return;
 145 }
 146
 147 struct smbfnsint trans2_fns[] = {
 148     { 0, "TRANSACT2_OPEN", 0,
 149         { "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[D]\nRes=([w, w, w, w, w])\nPath=[S]",
 150           NULL,
 151           "Handle=[d]\nAttrib=[A]\nTime=[T2]\nSize=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[d]\n|EALength=[d]\n",
 152           NULL, NULL }},
 153     { 1, "TRANSACT2_FINDFIRST", 0,
 154         { NULL, NULL, NULL, NULL, trans2_findfirst }},
 155     { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT },
 156     { 3, "TRANSACT2_QFSINFO", 0,
 157         { NULL, NULL, NULL, NULL, trans2_qfsinfo }},
 158     { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT },
 159     { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT },
 160     { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT },
 161     { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT },
 162     { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT },
 163     { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT },
 164     { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT },
 165     { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT },
 166     { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT },
 167     { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT },
 168     { -1, NULL, 0, DEFDESCRIPT }
 169 };
 170
 171
 172 static void
 173 print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf)
 174 {
 175     u_int bcc;
 176     static struct smbfnsint *fn = &trans2_fns[0];
 177     const u_char *data, *param;
 178     const u_char *w = words + 1;
 179     const char *f1 = NULL, *f2 = NULL;
 180     int pcnt, dcnt;
 181
 182     TCHECK(words[0]);
 183     if (request) {
 184         TCHECK2(w[14 * 2], 2);
 185         pcnt = EXTRACT_LE_16BITS(w + 9 * 2);
 186         param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
 187         dcnt = EXTRACT_LE_16BITS(w + 11 * 2);
 188         data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
 189         fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
 190     } else {
 191         if (words[0] == 0) {
 192             printf("%s\n", fn->name);
 193             printf("Trans2Interim\n");
 194             return;
 195         }
 196         TCHECK2(w[7 * 2], 2);
 197         pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
 198         param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
 199         dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
 200         data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
 201     }
 202
 203     printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);
 204
 205     if (request) {
 206         if (words[0] == 8) {
 207             smb_fdata(words + 1,
 208                 "Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
 209                 maxbuf, unicodestr);
 210             return;
 211         } else {
 212             smb_fdata(words + 1,
 213                 "TotParam=[d]\nTotData=[d]\nMaxParam=[d]\nMaxData=[d]\nMaxSetup=[b][P1]\nFlags=[w]\nTimeOut=[D]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nDataCnt=[d]\nDataOff=[d]\nSetupCnt=[b][P1]\n",
 214                 words + 1 + 14 * 2, unicodestr);
 215         }
 216         f1 = fn->descript.req_f1;
 217         f2 = fn->descript.req_f2;
 218     } else {
 219         smb_fdata(words + 1,
 220             "TotParam=[d]\nTotData=[d]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nParamDisp[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nSetupCnt=[b][P1]\n",
 221             words + 1 + 10 * 2, unicodestr);
 222         f1 = fn->descript.rep_f1;
 223         f2 = fn->descript.rep_f2;
 224     }
 225
 226     TCHECK2(*dat, 2);
 227     bcc = EXTRACT_LE_16BITS(dat);
 228     printf("smb_bcc=%u\n", bcc);
 229     if (fn->descript.fn)
 230         (*fn->descript.fn)(param, data, pcnt, dcnt);
 231     else {
 232         smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt, unicodestr);
 233         smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt, unicodestr);
 234     }
 235     return;
 236 trunc:
 237     printf("[|SMB]");
 238     return;
 239 }
 240
 241
 242 static void
 243 print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
 244 {
 245     const u_char *maxbuf = data + datalen;
 246     int command;
 247
 248     TCHECK(data[0]);
 249     command = data[0];
 250
 251     smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen, unicodestr);
 252
 253     switch (command) {
 254     case 0xF:
 255         data = smb_fdata(data,
 256             "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 257             maxbuf, unicodestr);
 258         break;
 259
 260     case 0x1:
 261         data = smb_fdata(data,
 262             "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
 263             maxbuf, unicodestr);
 264         break;
 265
 266     case 0x2:
 267         data = smb_fdata(data,
 268             "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
 269             maxbuf, unicodestr);
 270         break;
 271
 272     case 0xc:
 273         data = smb_fdata(data,
 274             "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n",
 275             maxbuf, unicodestr);
 276         break;
 277
 278     case 0x8:
 279         data = smb_fdata(data,
 280             "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
 281             maxbuf, unicodestr);
 282         break;
 283
 284     case 0xb:
 285         data = smb_fdata(data,
 286             "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
 287             maxbuf, unicodestr);
 288         break;
 289
 290     case 0x9:
 291         data = smb_fdata(data,
 292             "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken=[W]\n",
 293             maxbuf, unicodestr);
 294         break;
 295
 296     case 0xa:
 297         data = smb_fdata(data,
 298             "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken=[W]\n*Name=[S]\n",
 299             maxbuf, unicodestr);
 300         break;
 301
 302     case 0xd:
 303         data = smb_fdata(data,
 304             "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
 305             maxbuf, unicodestr);
 306         break;
 307
 308     case 0xe:
 309         data = smb_fdata(data,
 310             "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf, unicodestr);
 311         break;
 312
 313     default:
 314         data = smb_fdata(data, "Unknown Browser Frame ", maxbuf, unicodestr);
 315         break;
 316     }
 317     return;
 318 trunc:
 319     printf("[|SMB]");
 320     return;
 321 }
 322
 323
 324 static void
 325 print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
 326 {
 327     if (paramlen)
 328         smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen,
 329             unicodestr);
 330     if (datalen)
 331         smb_fdata(data, "IPC ", data + datalen, unicodestr);
 332 }
 333
 334
 335 static void
 336 print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
 337 {
 338     u_int bcc;
 339     const char *f1, *f2, *f3, *f4;
 340     const u_char *data, *param;
 341     const u_char *w = words + 1;
 342     int datalen, paramlen;
 343
 344     if (request) {
 345         TCHECK2(w[12 * 2], 2);
 346         paramlen = EXTRACT_LE_16BITS(w + 9 * 2);
 347         param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
 348         datalen = EXTRACT_LE_16BITS(w + 11 * 2);
 349         data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
 350         f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nMaxParmCnt=[d] \nMaxDataCnt=[d]\nMaxSCnt=[d] \nTransFlags=[w] \nRes1=[w] \nRes2=[w] \nRes3=[w]\nParamCnt=[d] \nParamOff=[d] \nDataCnt=[d] \nDataOff=[d] \nSUCnt=[d]\n";
 351         f2 = "|Name=[S]\n";
 352         f3 = "|Param ";
 353         f4 = "|Data ";
 354     } else {
 355         TCHECK2(w[7 * 2], 2);
 356         paramlen = EXTRACT_LE_16BITS(w + 3 * 2);
 357         param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
 358         datalen = EXTRACT_LE_16BITS(w + 6 * 2);
 359         data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
 360         f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n";
 361         f2 = "|Unknown ";
 362         f3 = "|Param ";
 363         f4 = "|Data ";
 364     }
 365
 366     smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf),
 367         unicodestr);
 368
 369     TCHECK2(*data1, 2);
 370     bcc = EXTRACT_LE_16BITS(data1);
 371     printf("smb_bcc=%u\n", bcc);
 372     if (bcc > 0) {
 373         smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen), unicodestr);
 374
 375         if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
 376             print_browse(param, paramlen, data, datalen);
 377             return;
 378         }
 379
 380         if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
 381             print_ipc(param, paramlen, data, datalen);
 382             return;
 383         }
 384
 385         if (paramlen)
 386             smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf), unicodestr);
 387         if (datalen)
 388             smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf), unicodestr);
 389     }
 390     return;
 391 trunc:
 392     printf("[|SMB]");
 393     return;
 394 }
 395
 396
 397 static void
 398 print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
 399 {
 400     u_int wct, bcc;
 401     const char *f1 = NULL, *f2 = NULL;
 402
 403     TCHECK(words[0]);
 404     wct = words[0];
 405     if (request)
 406         f2 = "*|Dialect=[Y]\n";
 407     else {
 408         if (wct == 1)
 409             f1 = "Core Protocol\nDialectIndex=[d]";
 410         else if (wct == 17)
 411             f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey=";
 412         else if (wct == 13)
 413             f1 = "Coreplus/Lanman1/Lanman2 Protocol\nDialectIndex=[d]\nSecMode=[w]\nMaxXMit=[d]\nMaxMux=[d]\nMaxVcs=[d]\nBlkMode=[w]\nSessionKey=[W]\nServerTime=[T1]TimeZone=[d]\nRes=[W]\nCryptKey=";
 414     }
 415
 416     if (f1)
 417         smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
 418             unicodestr);
 419     else
 420         print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
 421
 422     TCHECK2(*data, 2);
 423     bcc = EXTRACT_LE_16BITS(data);
 424     printf("smb_bcc=%u\n", bcc);
 425     if (bcc > 0) {
 426         if (f2)
 427             smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
 428                 maxbuf), unicodestr);
 429         else
 430             print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 431     }
 432     return;
 433 trunc:
 434     printf("[|SMB]");
 435     return;
 436 }
 437
 438 static void
 439 print_sesssetup(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
 440 {
 441     u_int wct, bcc;
 442     const char *f1 = NULL, *f2 = NULL;
 443
 444     TCHECK(words[0]);
 445     wct = words[0];
 446     if (request) {
 447         if (wct == 10)
 448             f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n";
 449         else
 450             f1 = "Com2=[B]\nRes1=[B]\nOff2=[d]\nMaxBuffer=[d]\nMaxMpx=[d]\nVcNumber=[d]\nSessionKey=[W]\nCaseInsensitivePasswordLength=[d]\nCaseSensitivePasswordLength=[d]\nRes=[W]\nCapabilities=[W]\nPass1&Pass2&Account&Domain&OS&LanMan=\n";
 451     } else {
 452         if (wct == 3) {
 453             f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
 454         } else if (wct == 13) {
 455             f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
 456             f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
 457         }
 458     }
 459
 460     if (f1)
 461         smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
 462             unicodestr);
 463     else
 464         print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
 465
 466     TCHECK2(*data, 2);
 467     bcc = EXTRACT_LE_16BITS(data);
 468     printf("smb_bcc=%u\n", bcc);
 469     if (bcc > 0) {
 470         if (f2)
 471             smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
 472                 maxbuf), unicodestr);
 473         else
 474             print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 475     }
 476     return;
 477 trunc:
 478     printf("[|SMB]");
 479     return;
 480 }
 481
 482 static void
 483 print_lockingandx(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
 484 {
 485     u_int wct, bcc;
 486     const u_char *maxwords;
 487     const char *f1 = NULL, *f2 = NULL;
 488
 489     TCHECK(words[0]);
 490     wct = words[0];
 491     if (request) {
 492         f1 = "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n";
 493         TCHECK(words[7]);
 494         if (words[7] & 0x10)
 495             f2 = "*Process=[d]\n[P2]Offset=[M]\nLength=[M]\n";
 496         else
 497             f2 = "*Process=[d]\nOffset=[D]\nLength=[D]\n";
 498     } else {
 499         f1 = "Com2=[w]\nOff2=[d]\n";
 500     }
 501
 502     maxwords = SMBMIN(words + 1 + wct * 2, maxbuf);
 503     if (wct)
 504         smb_fdata(words + 1, f1, maxwords, unicodestr);
 505
 506     TCHECK2(*data, 2);
 507     bcc = EXTRACT_LE_16BITS(data);
 508     printf("smb_bcc=%u\n", bcc);
 509     if (bcc > 0) {
 510         if (f2)
 511             smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
 512                 maxbuf), unicodestr);
 513         else
 514             print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
 515     }
 516     return;
 517 trunc:
 518     printf("[|SMB]");
 519     return;
 520 }
 521
 522
 523 static struct smbfns smb_fns[] = {
 524     { -1, "SMBunknown", 0, DEFDESCRIPT },
 525
 526     { SMBtcon, "SMBtcon", 0,
 527         { NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
 528           "MaxXmit=[d]\nTreeId=[d]\n", NULL,
 529           NULL } },
 530
 531     { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
 532     { SMBexit,  "SMBexit", 0, DEFDESCRIPT },
 533     { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },
 534
 535     { SMBecho, "SMBecho", 0,
 536         { "ReverbCount=[d]\n", NULL,
 537           "SequenceNum=[d]\n", NULL,
 538           NULL } },
 539
 540     { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },
 541
 542     { SMBgetatr, "SMBgetatr", 0,
 543         { NULL, "Path=[Z]\n",
 544           "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
 545           NULL } },
 546
 547     { SMBsetatr, "SMBsetatr", 0,
 548         { "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
 549           NULL, NULL, NULL } },
 550
 551     { SMBchkpth, "SMBchkpth", 0,
 552        { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 553
 554     { SMBsearch, "SMBsearch", 0,
 555         { "Count=[d]\nAttrib=[A]\n",
 556           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n",
 557           "Count=[d]\n",
 558           "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
 559           NULL } },
 560
 561     { SMBopen, "SMBopen", 0,
 562         { "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n",
 563           "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",
 564           NULL, NULL } },
 565
 566     { SMBcreate, "SMBcreate", 0,
 567         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 568
 569     { SMBmknew, "SMBmknew", 0,
 570         { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 571
 572     { SMBunlink, "SMBunlink", 0,
 573         { "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } },
 574
 575     { SMBread, "SMBread", 0,
 576         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 577           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 578
 579     { SMBwrite, "SMBwrite", 0,
 580         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 581           "Count=[d]\n", NULL, NULL } },
 582
 583     { SMBclose, "SMBclose", 0,
 584         { "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } },
 585
 586     { SMBmkdir, "SMBmkdir", 0,
 587         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 588
 589     { SMBrmdir, "SMBrmdir", 0,
 590         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 591
 592     { SMBdskattr, "SMBdskattr", 0,
 593         { NULL, NULL,
 594           "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
 595           NULL, NULL } },
 596
 597     { SMBmv, "SMBmv", 0,
 598         { "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },
 599
 600     /*
 601      * this is a Pathworks specific call, allowing the
 602      * changing of the root path
 603      */
 604     { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 605
 606     { SMBlseek, "SMBlseek", 0,
 607         { "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } },
 608
 609     { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 610
 611     { SMBsplopen, "SMBsplopen", 0,
 612         { "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n",
 613           NULL, NULL } },
 614
 615     { SMBsplclose, "SMBsplclose", 0,
 616         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 617
 618     { SMBsplretq, "SMBsplretq", 0,
 619         { "MaxCount=[d]\nStartIndex=[d]\n", NULL,
 620           "Count=[d]\nIndex=[d]\n",
 621           "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n",
 622           NULL } },
 623
 624     { SMBsplwr, "SMBsplwr", 0,
 625         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 626
 627     { SMBlock, "SMBlock", 0,
 628         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 629
 630     { SMBunlock, "SMBunlock", 0,
 631         { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
 632
 633     /* CORE+ PROTOCOL FOLLOWS */
 634
 635     { SMBreadbraw, "SMBreadbraw", 0,
 636         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
 637           NULL, NULL, NULL, NULL } },
 638
 639     { SMBwritebraw, "SMBwritebraw", 0,
 640         { "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n",
 641           NULL, "WriteRawAck", NULL, NULL } },
 642
 643     { SMBwritec, "SMBwritec", 0,
 644         { NULL, NULL, "Count=[d]\n", NULL, NULL } },
 645
 646     { SMBwriteclose, "SMBwriteclose", 0,
 647         { "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
 648           NULL, "Count=[d]\n", NULL, NULL } },
 649
 650     { SMBlockread, "SMBlockread", 0,
 651         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 652           "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
 653
 654     { SMBwriteunlock, "SMBwriteunlock", 0,
 655         { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
 656           "Count=[d]\n", NULL, NULL } },
 657
 658     { SMBreadBmpx, "SMBreadBmpx", 0,
 659         { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n",
 660           NULL,
 661           "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n",
 662           NULL, NULL } },
 663
 664     { SMBwriteBmpx, "SMBwriteBmpx", 0,
 665         { "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL,
 666           "Remaining=[d]\n", NULL, NULL } },
 667
 668     { SMBwriteBs, "SMBwriteBs", 0,
 669         { "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
 670           NULL, "Count=[d]\n", NULL, NULL } },
 671
 672     { SMBsetattrE, "SMBsetattrE", 0,
 673         { "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
 674           NULL, NULL, NULL } },
 675
 676     { SMBgetattrE, "SMBgetattrE", 0,
 677         { "Handle=[d]\n", NULL,
 678           "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
 679           NULL, NULL } },
 680
 681     { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
 682     { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },
 683
 684     { SMBcopy, "SMBcopy", 0,
 685         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 686           "CopyCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 687
 688     { SMBmove, "SMBmove", 0,
 689         { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
 690           "MoveCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 691
 692     { SMBopenX, "SMBopenX", FLG_CHAIN,
 693         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n",
 694           "Path=[S]\n",
 695           "Com2=[w]\nOff2=[d]\nHandle=[d]\nAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nFileID=[W]\nRes=[w]\n",
 696           NULL, NULL } },
 697
 698     { SMBreadX, "SMBreadX", FLG_CHAIN,
 699         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n",
 700           NULL,
 701           "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n",
 702           NULL, NULL } },
 703
 704     { SMBwriteX, "SMBwriteX", FLG_CHAIN,
 705         { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n",
 706           NULL,
 707           "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
 708           NULL, NULL } },
 709
 710     { SMBffirst, "SMBffirst", 0,
 711         { "Count=[d]\nAttrib=[A]\n",
 712           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 713           "Count=[d]\n",
 714           "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
 715           NULL } },
 716
 717     { SMBfunique, "SMBfunique", 0,
 718         { "Count=[d]\nAttrib=[A]\n",
 719           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 720           "Count=[d]\n",
 721           "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
 722           NULL } },
 723
 724     { SMBfclose, "SMBfclose", 0,
 725         { "Count=[d]\nAttrib=[A]\n",
 726           "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
 727           "Count=[d]\n",
 728           "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
 729           NULL } },
 730
 731     { SMBfindnclose, "SMBfindnclose", 0,
 732         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 733
 734     { SMBfindclose, "SMBfindclose", 0,
 735         { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 736
 737     { SMBsends, "SMBsends", 0,
 738         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 739
 740     { SMBsendstrt, "SMBsendstrt", 0,
 741         { NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } },
 742
 743     { SMBsendend, "SMBsendend", 0,
 744         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 745
 746     { SMBsendtxt, "SMBsendtxt", 0,
 747         { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
 748
 749     { SMBsendb, "SMBsendb", 0,
 750         { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
 751
 752     { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT },
 753     { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT },
 754     { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT },
 755
 756     { SMBnegprot, "SMBnegprot", 0,
 757         { NULL, NULL, NULL, NULL, print_negprot } },
 758
 759     { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN,
 760         { NULL, NULL, NULL, NULL, print_sesssetup } },
 761
 762     { SMBtconX, "SMBtconX", FLG_CHAIN,
 763         { "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
 764           NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[R]\n", NULL } },
 765
 766     { SMBlockingX, "SMBlockingX", FLG_CHAIN,
 767         { NULL, NULL, NULL, NULL, print_lockingandx } },
 768
 769     { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
 770
 771     { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
 772     { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
 773     { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
 774     { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },
 775
 776     { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
 777     { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },
 778
 779     { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
 780         { "Com2=[w]\nOff2=[d]\nRes=[b]\nNameLen=[ld]\nFlags=[W]\nRootDirectoryFid=[D]\nAccessMask=[W]\nAllocationSize=[L]\nExtFileAttributes=[W]\nShareAccess=[W]\nCreateDisposition=[W]\nCreateOptions=[W]\nImpersonationLevel=[W]\nSecurityFlags=[b]\n",
 781           "Path=[C]\n",
 782           "Com2=[w]\nOff2=[d]\nOplockLevel=[b]\nFid=[d]\nCreateAction=[W]\nCreateTime=[T3]LastAccessTime=[T3]LastWriteTime=[T3]ChangeTime=[T3]ExtFileAttributes=[W]\nAllocationSize=[L]\nEndOfFile=[L]\nFileType=[w]\nDeviceState=[w]\nDirectory=[b]\n",
 783           NULL, NULL } },
 784
 785     { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },
 786
 787     { -1, NULL, 0, DEFDESCRIPT }
 788 };
 789
 790
 791 /*
 792  * print a SMB message
 793  */
 794 static void
 795 print_smb(const u_char *buf, const u_char *maxbuf)
 796 {
 797     int command;
 798     const u_char *words, *maxwords, *data;
 799     struct smbfns *fn;
 800     const char *fmt_smbheader =
 801         "[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";
 802     int smboffset;
 803
 804     TCHECK(buf[9]);
 805     request = (buf[9] & 0x80) ? 0 : 1;
 806     unicodestr = EXTRACT_LE_16BITS(&buf[10]) & 0x8000;
 807     startbuf = buf;
 808
 809     command = buf[4];
 810
 811     fn = smbfind(command, smb_fns);
 812
 813     if (vflag > 1)
 814         printf("\n");
 815
 816     printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");
 817
 818     if (vflag < 2)
 819         return;
 820
 821     /* print out the header */
 822     smb_fdata(buf, fmt_smbheader, buf + 33, unicodestr);
 823
 824     if (buf[5])
 825         printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
 826
 827     smboffset = 32;
 828
 829     for (;;) {
 830         const char *f1, *f2;
 831         int wct;
 832         u_int bcc;
 833         int newsmboffset;
 834
 835         words = buf + smboffset;
 836         TCHECK(words[0]);
 837         wct = words[0];
 838         data = words + 1 + wct * 2;
 839         maxwords = SMBMIN(data, maxbuf);
 840
 841         if (request) {
 842             f1 = fn->descript.req_f1;
 843             f2 = fn->descript.req_f2;
 844         } else {
 845             f1 = fn->descript.rep_f1;
 846             f2 = fn->descript.rep_f2;
 847         }
 848
 849         if (fn->descript.fn)
 850             (*fn->descript.fn)(words, data, buf, maxbuf);
 851         else {
 852             if (wct) {
 853                 if (f1)
 854                     smb_fdata(words + 1, f1, words + 1 + wct * 2, unicodestr);
 855                 else {
 856                     int i;
 857                     int v;
 858
 859                     for (i = 0; &words[1 + 2 * i] < maxwords; i++) {
 860                         TCHECK2(words[1 + 2 * i], 2);
 861                         v = EXTRACT_LE_16BITS(words + 1 + 2 * i);
 862                         printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v);
 863                     }
 864                 }
 865             }
 866
 867             TCHECK2(*data, 2);
 868             bcc = EXTRACT_LE_16BITS(data);
 869             printf("smb_bcc=%u\n", bcc);
 870             if (f2) {
 871                 if (bcc > 0)
 872                     smb_fdata(data + 2, f2, data + 2 + bcc, unicodestr);
 873             } else {
 874                 if (bcc > 0) {
 875                     printf("smb_buf[]=\n");
 876                     print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
 877                 }
 878             }
 879         }
 880
 881         if ((fn->flags & FLG_CHAIN) == 0)
 882             break;
 883         if (wct == 0)
 884             break;
 885         TCHECK(words[1]);
 886         command = words[1];
 887         if (command == 0xFF)
 888             break;
 889         TCHECK2(words[3], 2);
 890         newsmboffset = EXTRACT_LE_16BITS(words + 3);
 891
 892         fn = smbfind(command, smb_fns);
 893
 894         printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
 895             fn->name, request ? "REQUEST" : "REPLY");
 896         if (newsmboffset < smboffset) {
 897             printf("Bad andX offset: %u < %u\n", newsmboffset, smboffset);
 898             break;
 899         }
 900         smboffset = newsmboffset;
 901     }
 902
 903     printf("\n");
 904     return;
 905 trunc:
 906     printf("[|SMB]");
 907     return;
 908 }
 909
 910
 911 /*
 912  * print a NBT packet received across tcp on port 139
 913  */
 914 void
 915 nbt_tcp_print(const u_char *data, int length)
 916 {
 917     const u_char *maxbuf = data + length;
 918     int type;
 919     u_int nbt_len;
 920
 921     TCHECK2(data[2], 2);
 922     type = data[0];
 923     nbt_len = EXTRACT_16BITS(data + 2);
 924
 925     startbuf = data;
 926     if (maxbuf <= data)
 927         return;
 928
 929     if (vflag < 2) {
 930         printf(" NBT Session Packet: ");
 931         switch (type) {
 932         case 0x00:
 933             printf("Session Message");
 934             break;
 935
 936         case 0x81:
 937             printf("Session Request");
 938             break;
 939
 940         case 0x82:
 941             printf("Session Granted");
 942             break;
 943
 944         case 0x83:
 945           {
 946             int ecode;
 947
 948             TCHECK(data[4]);
 949             ecode = data[4];
 950
 951             printf("Session Reject, ");
 952             switch (ecode) {
 953             case 0x80:
 954                 printf("Not listening on called name");
 955                 break;
 956             case 0x81:
 957                 printf("Not listening for calling name");
 958                 break;
 959             case 0x82:
 960                 printf("Called name not present");
 961                 break;
 962             case 0x83:
 963                 printf("Called name present, but insufficient resources");
 964                 break;
 965             default:
 966                 printf("Unspecified error 0x%X", ecode);
 967                 break;
 968             }
 969           }
 970             break;
 971
 972         case 0x85:
 973             printf("Session Keepalive");
 974             break;
 975
 976         default:
 977             data = smb_fdata(data, "Unknown packet type [rB]", maxbuf, 0);
 978             break;
 979         }
 980     } else {
 981         printf ("\n>>> NBT Session Packet\n");
 982         switch (type) {
 983         case 0x00:
 984             data = smb_fdata(data, "[P1]NBT Session Message\nFlags=[B]\nLength=[rd]\n",
 985                 data + 4, 0);
 986             if (data == NULL)
 987                 break;
 988             if (memcmp(data,"\377SMB",4) == 0) {
 989                 if (nbt_len > PTR_DIFF(maxbuf, data))
 990                     printf("WARNING: Short packet. Try increasing the snap length (%lu)\n",
 991                         (unsigned long)PTR_DIFF(maxbuf, data));
 992                 print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
 993             } else
 994                 printf("Session packet:(raw data?)\n");
 995             break;
 996
 997         case 0x81:
 998             data = smb_fdata(data,
 999                 "[P1]NBT Session Request\nFlags=[B]\nLength=[rd]\nDestination=[n1]\nSource=[n1]\n",
1000                 maxbuf, 0);
1001             break;
1002
1003         case 0x82:
1004             data = smb_fdata(data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
1005             break;
1006
1007         case 0x83:
1008           {
1009             int ecode;
1010
1011             TCHECK(data[4]);
1012             ecode = data[4];
1013
1014             data = smb_fdata(data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[rd]\nReason=[B]\n",
1015                 maxbuf, 0);
1016             switch (ecode) {
1017             case 0x80:
1018                 printf("Not listening on called name\n");
1019                 break;
1020             case 0x81:
1021                 printf("Not listening for calling name\n");
1022                 break;
1023             case 0x82:
1024                 printf("Called name not present\n");
1025                 break;
1026             case 0x83:
1027                 printf("Called name present, but insufficient resources\n");
1028                 break;
1029             default:
1030                 printf("Unspecified error 0x%X\n", ecode);
1031                 break;
1032             }
1033           }
1034             break;
1035
1036         case 0x85:
1037             data = smb_fdata(data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
1038             break;
1039
1040         default:
1041             data = smb_fdata(data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0);
1042             break;
1043         }
1044         printf("\n");
1045         fflush(stdout);
1046     }
1047     return;
1048 trunc:
1049     printf("[|SMB]");
1050     return;
1051 }
1052
1053
1054 /*
1055  * print a NBT packet received across udp on port 137
1056  */
1057 void
1058 nbt_udp137_print(const u_char *data, int length)
1059 {
1060     const u_char *maxbuf = data + length;
1061     int name_trn_id, response, opcode, nm_flags, rcode;
1062     int qdcount, ancount, nscount, arcount;
1063     const char *opcodestr;
1064     const u_char *p;
1065     int total, i;
1066
1067     TCHECK2(data[10], 2);
1068     name_trn_id = EXTRACT_16BITS(data);
1069     response = (data[2] >> 7);
1070     opcode = (data[2] >> 3) & 0xF;
1071     nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
1072     rcode = data[3] & 0xF;
1073     qdcount = EXTRACT_16BITS(data + 4);
1074     ancount = EXTRACT_16BITS(data + 6);
1075     nscount = EXTRACT_16BITS(data + 8);
1076     arcount = EXTRACT_16BITS(data + 10);
1077     startbuf = data;
1078
1079     if (maxbuf <= data)
1080         return;
1081
1082     if (vflag > 1)
1083         printf("\n>>> ");
1084
1085     printf("NBT UDP PACKET(137): ");
1086
1087     switch (opcode) {
1088     case 0: opcodestr = "QUERY"; break;
1089     case 5: opcodestr = "REGISTRATION"; break;
1090     case 6: opcodestr = "RELEASE"; break;
1091     case 7: opcodestr = "WACK"; break;
1092     case 8: opcodestr = "REFRESH(8)"; break;
1093     case 9: opcodestr = "REFRESH"; break;
1094     case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
1095     default: opcodestr = "OPUNKNOWN"; break;
1096     }
1097     printf("%s", opcodestr);
1098     if (response) {
1099         if (rcode)
1100             printf("; NEGATIVE");
1101         else
1102             printf("; POSITIVE");
1103     }
1104
1105     if (response)
1106         printf("; RESPONSE");
1107     else
1108         printf("; REQUEST");
1109
1110     if (nm_flags & 1)
1111         printf("; BROADCAST");
1112     else
1113         printf("; UNICAST");
1114
1115     if (vflag < 2)
1116         return;
1117
1118     printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
1119         name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
1120         arcount);
1121
1122     p = data + 12;
1123
1124     total = ancount + nscount + arcount;
1125
1126     if (qdcount > 100 || total > 100) {
1127         printf("Corrupt packet??\n");
1128         return;
1129     }
1130
1131     if (qdcount) {
1132         printf("QuestionRecords:\n");
1133         for (i = 0; i < qdcount; i++)
1134             p = smb_fdata(p,
1135                 "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
1136                 maxbuf, 0);
1137         if (p == NULL)
1138             goto out;
1139     }
1140
1141     if (total) {
1142         printf("\nResourceRecords:\n");
1143         for (i = 0; i < total; i++) {
1144             int rdlen;
1145             int restype;
1146
1147             p = smb_fdata(p, "Name=[n1]\n#", maxbuf, 0);
1148             if (p == NULL)
1149                 goto out;
1150             restype = EXTRACT_16BITS(p);
1151             p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0);
1152             if (p == NULL)
1153                 goto out;
1154             rdlen = EXTRACT_16BITS(p);
1155             printf("ResourceLength=%d\nResourceData=\n", rdlen);
1156             p += 2;
1157             if (rdlen == 6) {
1158                 p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen, 0);
1159                 if (p == NULL)
1160                     goto out;
1161             } else {
1162                 if (restype == 0x21) {
1163                     int numnames;
1164
1165                     TCHECK(*p);
1166                     numnames = p[0];
1167                     p = smb_fdata(p, "NumNames=[B]\n", p + 1, 0);
1168                     if (p == NULL)
1169                         goto out;
1170                     while (numnames--) {
1171                         p = smb_fdata(p, "Name=[n2]\t#", maxbuf, 0);
1172                         TCHECK(*p);
1173                         if (p[0] & 0x80)
1174                             printf("<GROUP> ");
1175                         switch (p[0] & 0x60) {
1176                         case 0x00: printf("B "); break;
1177                         case 0x20: printf("P "); break;
1178                         case 0x40: printf("M "); break;
1179                         case 0x60: printf("_ "); break;
1180                         }
1181                         if (p[0] & 0x10)
1182                             printf("<DEREGISTERING> ");
1183                         if (p[0] & 0x08)
1184                             printf("<CONFLICT> ");
1185                         if (p[0] & 0x04)
1186                             printf("<ACTIVE> ");
1187                         if (p[0] & 0x02)
1188                             printf("<PERMANENT> ");
1189                         printf("\n");
1190                         p += 2;
1191                     }
1192                 } else {
1193                     print_data(p, min(rdlen, length - (p - data)));
1194                     p += rdlen;
1195                 }
1196             }
1197         }
1198     }
1199
1200     if (p < maxbuf)
1201         smb_fdata(p, "AdditionalData:\n", maxbuf, 0);
1202
1203 out:
1204     printf("\n");
1205     fflush(stdout);
1206     return;
1207 trunc:
1208     printf("[|SMB]");
1209     return;
1210 }
1211
1212
1213
1214 /*
1215  * print a NBT packet received across udp on port 138
1216  */
1217 void
1218 nbt_udp138_print(const u_char *data, int length)
1219 {
1220     const u_char *maxbuf = data + length;
1221
1222     if (maxbuf > snapend)
1223         maxbuf = snapend;
1224     if (maxbuf <= data)
1225         return;
1226     startbuf = data;
1227
1228     if (vflag < 2) {
1229         printf("NBT UDP PACKET(138)");
1230         return;
1231     }
1232
1233     data = smb_fdata(data,
1234         "\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#",
1235         maxbuf, 0);
1236
1237     if (data != NULL) {
1238         /* If there isn't enough data for "\377SMB", don't check for it. */
1239         if (&data[3] >= maxbuf)
1240             goto out;
1241
1242         if (memcmp(data, "\377SMB",4) == 0)
1243             print_smb(data, maxbuf);
1244     }
1245 out:
1246     printf("\n");
1247     fflush(stdout);
1248 }
1249
1250
1251 /*
1252    print netbeui frames
1253 */
1254 struct nbf_strings {
1255         const char      *name;
1256         const char      *nonverbose;
1257         const char      *verbose;
1258 } nbf_strings[0x20] = {
1259         { "Add Group Name Query", ", [P23]Name to add=[n2]#",
1260           "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1261         { "Add Name Query", ", [P23]Name to add=[n2]#",
1262           "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1263         { "Name In Conflict", NULL, NULL },
1264         { "Status Query", NULL, NULL },
1265         { NULL, NULL, NULL },   /* not used */
1266         { NULL, NULL, NULL },   /* not used */
1267         { NULL, NULL, NULL },   /* not used */
1268         { "Terminate Trace", NULL, NULL },
1269         { "Datagram", NULL,
1270           "[P7]Destination=[n2]\nSource=[n2]\n" },
1271         { "Broadcast Datagram", NULL,
1272           "[P7]Destination=[n2]\nSource=[n2]\n" },
1273         { "Name Query", ", [P7]Name=[n2]#",
1274           "[P1]SessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nName=[n2]\nName of sender=[n2]\n" },
1275         { NULL, NULL, NULL },   /* not used */
1276         { NULL, NULL, NULL },   /* not used */
1277         { "Add Name Response", ", [P1]GroupName=[w] [P4]Destination=[n2] Source=[n2]#",
1278           "AddNameInProcess=[B]\nGroupName=[w]\nTransmitCorrelator=[w][P2]\nDestination=[n2]\nSource=[n2]\n" },
1279         { "Name Recognized", NULL,
1280           "[P1]Data2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n" },
1281         { "Status Response", NULL, NULL },
1282         { NULL, NULL, NULL },   /* not used */
1283         { NULL, NULL, NULL },   /* not used */
1284         { NULL, NULL, NULL },   /* not used */
1285         { "Terminate Trace", NULL, NULL },
1286         { "Data Ack", NULL,
1287           "[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1288         { "Data First/Middle", NULL,
1289           "Flags=[{RECEIVE_CONTINUE|NO_ACK||PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1290         { "Data Only/Last", NULL,
1291           "Flags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1292         { "Session Confirm", NULL,
1293           "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1294         { "Session End", NULL,
1295           "[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1296         { "Session Initialize", NULL,
1297           "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1298         { "No Receive", NULL,
1299           "Flags=[{|SEND_NO_ACK}]\nDataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1300         { "Receive Outstanding", NULL,
1301           "[P1]DataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1302         { "Receive Continue", NULL,
1303           "[P2]TransmitCorrelator=[w]\n[P2]RemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1304         { NULL, NULL, NULL },   /* not used */
1305         { NULL, NULL, NULL },   /* not used */
1306         { "Session Alive", NULL, NULL }
1307 };
1308
1309 void
1310 netbeui_print(u_short control, const u_char *data, int length)
1311 {
1312     const u_char *maxbuf = data + length;
1313     int len;
1314     int command;
1315     const u_char *data2;
1316     int is_truncated = 0;
1317
1318     if (maxbuf > snapend)
1319         maxbuf = snapend;
1320     TCHECK(data[4]);
1321     len = EXTRACT_LE_16BITS(data);
1322     command = data[4];
1323     data2 = data + len;
1324     if (data2 >= maxbuf) {
1325         data2 = maxbuf;
1326         is_truncated = 1;
1327     }
1328
1329     startbuf = data;
1330
1331     if (vflag < 2) {
1332         printf("NBF Packet: ");
1333         data = smb_fdata(data, "[P5]#", maxbuf, 0);
1334     } else {
1335         printf("\n>>> NBF Packet\nType=0x%X ", control);
1336         data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf, 0);
1337     }
1338     if (data == NULL)
1339         goto out;
1340
1341     if (command > 0x1f || nbf_strings[command].name == NULL) {
1342         if (vflag < 2)
1343             data = smb_fdata(data, "Unknown NBF Command#", data2, 0);
1344         else
1345             data = smb_fdata(data, "Unknown NBF Command\n", data2, 0);
1346     } else {
1347         if (vflag < 2) {
1348             printf("%s", nbf_strings[command].name);
1349             if (nbf_strings[command].nonverbose != NULL)
1350                 data = smb_fdata(data, nbf_strings[command].nonverbose, data2, 0);
1351         } else {
1352             printf("%s:\n", nbf_strings[command].name);
1353             if (nbf_strings[command].verbose != NULL)
1354                 data = smb_fdata(data, nbf_strings[command].verbose, data2, 0);
1355             else
1356                 printf("\n");
1357         }
1358     }
1359
1360     if (vflag < 2)
1361         return;
1362
1363     if (data == NULL)
1364         goto out;
1365
1366     if (is_truncated) {
1367         /* data2 was past the end of the buffer */
1368         goto out;
1369     }
1370
1371     /* If this isn't a command that would contain an SMB message, quit. */
1372     if (command != 0x08 && command != 0x09 && command != 0x15 &&
1373         command != 0x16)
1374         goto out;
1375
1376     /* If there isn't enough data for "\377SMB", don't look for it. */
1377     if (&data2[3] >= maxbuf)
1378         goto out;
1379
1380     if (memcmp(data2, "\377SMB",4) == 0)
1381         print_smb(data2, maxbuf);
1382     else {
1383         int i;
1384         for (i = 0; i < 128; i++) {
1385             if (&data2[i + 3] >= maxbuf)
1386                 break;
1387             if (memcmp(&data2[i], "\377SMB", 4) == 0) {
1388                 printf("found SMB packet at %d\n", i);
1389                 print_smb(&data2[i], maxbuf);
1390                 break;
1391             }
1392         }
1393     }
1394
1395 out:
1396     printf("\n");
1397     return;
1398 trunc:
1399     printf("[|SMB]");
1400     return;
1401 }
1402
1403
1404 /*
1405  * print IPX-Netbios frames
1406  */
1407 void
1408 ipx_netbios_print(const u_char *data, u_int length)
1409 {
1410     /*
1411      * this is a hack till I work out how to parse the rest of the
1412      * NetBIOS-over-IPX stuff
1413      */
1414     int i;
1415     const u_char *maxbuf;
1416
1417     maxbuf = data + length;
1418     /* Don't go past the end of the captured data in the packet. */
1419     if (maxbuf > snapend)
1420         maxbuf = snapend;
1421     startbuf = data;
1422     for (i = 0; i < 128; i++) {
1423         if (&data[i + 4] > maxbuf)
1424             break;
1425         if (memcmp(&data[i], "\377SMB", 4) == 0) {
1426             smb_fdata(data, "\n>>> IPX transport ", &data[i], 0);
1427             if (data != NULL)
1428                 print_smb(&data[i], maxbuf);
1429             printf("\n");
1430             fflush(stdout);
1431             break;
1432         }
1433     }
1434     if (i == 128)
1435         smb_fdata(data, "\n>>> Unknown IPX ", maxbuf, 0);
1436 }