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Sourcecode: tcpdump version File versions

print-smb.c

/*
 * Copyright (C) Andrew Tridgell 1995-1999
 *
 * This software may be distributed either under the terms of the
 * BSD-style license that accompanies tcpdump or the GNU GPL version 2
 * or later
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#ifndef lint
static const char rcsid[] _U_ =
     "@(#) $Header: /tcpdump/master/tcpdump/print-smb.c,v 1.27.2.2 2003/11/16 08:51:45 guy Exp $";
#endif

#include <tcpdump-stdinc.h>

#include <stdio.h>
#include <string.h>

#include "interface.h"
#include "extract.h"
#include "smb.h"

static int request = 0;

const u_char *startbuf = NULL;

struct smbdescript {
    const char *req_f1;
    const char *req_f2;
    const char *rep_f1;
    const char *rep_f2;
    void (*fn)(const u_char *, const u_char *, const u_char *, const u_char *);
};

struct smbdescriptint {
    const char *req_f1;
    const char *req_f2;
    const char *rep_f1;
    const char *rep_f2;
    void (*fn)(const u_char *, const u_char *, int, int);
};

struct smbfns
{
    int id;
    const char *name;
    int flags;
    struct smbdescript descript;
};

struct smbfnsint
{
    int id;
    const char *name;
    int flags;
    struct smbdescriptint descript;
};

#define DEFDESCRIPT     { NULL, NULL, NULL, NULL, NULL }

#define FLG_CHAIN (1 << 0)

static struct smbfns *
smbfind(int id, struct smbfns *list)
{
    int sindex;

    for (sindex = 0; list[sindex].name; sindex++)
      if (list[sindex].id == id)
          return(&list[sindex]);

    return(&list[0]);
}

static struct smbfnsint *
smbfindint(int id, struct smbfnsint *list)
{
    int sindex;

    for (sindex = 0; list[sindex].name; sindex++)
      if (list[sindex].id == id)
          return(&list[sindex]);

    return(&list[0]);
}

static void
trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
{
    const char *fmt;

    if (request)
      fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP5]\nFile=[S]\n";
    else
      fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n";

    smb_fdata(param, fmt, param + pcnt);
    if (dcnt) {
      printf("data:\n");
      print_data(data, dcnt);
    }
}

static void
trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
{
    static int level = 0;
    const char *fmt="";

    if (request) {
      TCHECK2(*param, 2);
      level = EXTRACT_LE_16BITS(param);
      fmt = "InfoLevel=[d]\n";
      smb_fdata(param, fmt, param + pcnt);
    } else {
      switch (level) {
      case 1:
          fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n";
          break;
      case 2:
          fmt = "CreationTime=[T2]VolNameLength=[B]\nVolumeLabel=[s12]\n";
          break;
      case 0x105:
          fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[D]\nVolume=[S]\n";
          break;
      default:
          fmt = "UnknownLevel\n";
          break;
      }
      smb_fdata(data, fmt, data + dcnt);
    }
    if (dcnt) {
      printf("data:\n");
      print_data(data, dcnt);
    }
    return;
trunc:
    printf("[|SMB]");
    return;
}

struct smbfnsint trans2_fns[] = {
    { 0, "TRANSACT2_OPEN", 0,
      { "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[D]\nRes=([w, w, w, w, w])\nPath=[S]",
        NULL,
        "Handle=[d]\nAttrib=[A]\nTime=[T2]\nSize=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[d]\n|EALength=[d]\n",
        NULL, NULL }},
    { 1, "TRANSACT2_FINDFIRST", 0,
      { NULL, NULL, NULL, NULL, trans2_findfirst }},
    { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT },
    { 3, "TRANSACT2_QFSINFO", 0,
      { NULL, NULL, NULL, NULL, trans2_qfsinfo }},
    { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT },
    { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT },
    { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT },
    { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT },
    { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT },
    { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT },
    { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT },
    { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT },
    { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT },
    { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT },
    { -1, NULL, 0, DEFDESCRIPT }
};


static void
print_trans2(const u_char *words, const u_char *dat _U_, const u_char *buf, const u_char *maxbuf)
{
    static struct smbfnsint *fn = &trans2_fns[0];
    const u_char *data, *param;
    const u_char *w = words + 1;
    const char *f1 = NULL, *f2 = NULL;
    int pcnt, dcnt;

    TCHECK(words[0]);
    if (request) {
      TCHECK2(w[14 * 2], 2);
      pcnt = EXTRACT_LE_16BITS(w + 9 * 2);
      param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
      dcnt = EXTRACT_LE_16BITS(w + 11 * 2);
      data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
      fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
    } else {
      if (words[0] == 0) {
          printf("%s\n", fn->name);
          printf("Trans2Interim\n");
          return;
      }
      TCHECK2(w[7 * 2], 2);
      pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
      param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
      dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
      data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
    }

    printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);

    if (request) {
      if (words[0] == 8) {
          smb_fdata(words + 1,
            "Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
            maxbuf);
          return;
      } else {
          smb_fdata(words + 1,
            "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",
            words + 1 + 14 * 2);
          smb_fdata(data + 1, "TransactionName=[S]\n%", maxbuf);
      }
      f1 = fn->descript.req_f1;
      f2 = fn->descript.req_f2;
    } else {
      smb_fdata(words + 1,
          "TotParam=[d]\nTotData=[d]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nParamDisp[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nSetupCnt=[d]\n",
          words + 1 + 10 * 2);
      f1 = fn->descript.rep_f1;
      f2 = fn->descript.rep_f2;
    }

    if (fn->descript.fn)
      (*fn->descript.fn)(param, data, pcnt, dcnt);
    else {
      smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt);
      smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt);
    }
    return;
trunc:
    printf("[|SMB]");
    return;
}


static void
print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
{
    const u_char *maxbuf = data + datalen;
    int command;

    TCHECK(data[0]);
    command = data[0];

    smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen);

    switch (command) {
    case 0xF:
      data = smb_fdata(data,
          "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
          maxbuf);
      break;

    case 0x1:
      data = smb_fdata(data,
          "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
          maxbuf);
      break;

    case 0x2:
      data = smb_fdata(data,
          "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
          maxbuf);
      break;

    case 0xc:
      data = smb_fdata(data,
          "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n",
          maxbuf);
      break;

    case 0x8:
      data = smb_fdata(data,
          "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
          maxbuf);
      break;

    case 0xb:
      data = smb_fdata(data,
          "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
          maxbuf);
      break;

    case 0x9:
      data = smb_fdata(data,
          "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken?=[B]\n",
          maxbuf);
      break;

    case 0xa:
      data = smb_fdata(data,
          "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken?=[B]*Name=[S]\n",
          maxbuf);
      break;

    case 0xd:
      data = smb_fdata(data,
          "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
          maxbuf);
      break;

    case 0xe:
      data = smb_fdata(data,
          "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf);
      break;

    default:
      data = smb_fdata(data, "Unknown Browser Frame ", maxbuf);
      break;
    }
    return;
trunc:
    printf("[|SMB]");
    return;
}


static void
print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
{
    if (paramlen)
      smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen);
    if (datalen)
      smb_fdata(data, "IPC ", data + datalen);
}


static void
print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
{
    const char *f1, *f2, *f3, *f4;
    const u_char *data, *param;
    const u_char *w = words + 1;
    int datalen, paramlen;

    if (request) {
      TCHECK2(w[12 * 2], 2);
      paramlen = EXTRACT_LE_16BITS(w + 9 * 2);
      param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
      datalen = EXTRACT_LE_16BITS(w + 11 * 2);
      data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
      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";
      f2 = "|Name=[S]\n";
      f3 = "|Param ";
      f4 = "|Data ";
    } else {
      TCHECK2(w[7 * 2], 2);
      paramlen = EXTRACT_LE_16BITS(w + 3 * 2);
      param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
      datalen = EXTRACT_LE_16BITS(w + 6 * 2);
      data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
      f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n";
      f2 = "|Unknown ";
      f3 = "|Param ";
      f4 = "|Data ";
    }

    smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf));
    smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen));

    if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
      print_browse(param, paramlen, data, datalen);
      return;
    }

    if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
      print_ipc(param, paramlen, data, datalen);
      return;
    }

    if (paramlen)
      smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf));
    if (datalen)
      smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf));
    return;
trunc:
    printf("[|SMB]");
    return;
}


static void
print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
{
    u_int wcnt;
    const char *f1 = NULL, *f2 = NULL;

    TCHECK(words[0]);
    wcnt = words[0];
    if (request)
      f2 = "*|Dialect=[Z]\n";
    else {
      if (wcnt == 1)
          f1 = "Core Protocol\nDialectIndex=[d]";
      else if (wcnt == 17)
          f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey=";
      else if (wcnt == 13)
          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=";
    }

    if (f1)
      smb_fdata(words + 1, f1, SMBMIN(words + 1 + wcnt * 2, maxbuf));
    else
      print_data(words + 1, SMBMIN(wcnt * 2, PTR_DIFF(maxbuf, words + 1)));

    TCHECK2(*data, 2);
    if (f2)
      smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf));
    else
      print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
    return;
trunc:
    printf("[|SMB]");
    return;
}

static void
print_sesssetup(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
{
    u_int wcnt;
    const char *f1 = NULL, *f2 = NULL;

    TCHECK(words[0]);
    wcnt = words[0];
    if (request) {
      if (wcnt == 10)
          f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n";
      else
          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";
    } else {
      if (wcnt == 3) {
          f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
      } else if (wcnt == 13) {
          f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
          f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
      }
    }

    if (f1)
      smb_fdata(words + 1, f1, SMBMIN(words + 1 + wcnt * 2, maxbuf));
    else
      print_data(words + 1, SMBMIN(wcnt * 2, PTR_DIFF(maxbuf, words + 1)));

    TCHECK2(*data, 2);
    if (f2)
      smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf));
    else
      print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
    return;
trunc:
    printf("[|SMB]");
    return;
}


static struct smbfns smb_fns[] = {
    { -1, "SMBunknown", 0, DEFDESCRIPT },

    { SMBtcon, "SMBtcon", 0,
      { NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
        "MaxXmit=[d]\nTreeId=[d]\n", NULL,
        NULL } },

    { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
    { SMBexit,  "SMBexit", 0, DEFDESCRIPT },
    { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },

    { SMBecho, "SMBecho", 0,
      { "ReverbCount=[d]\n", NULL,
        "SequenceNum=[d]\n", NULL,
        NULL } },

    { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },

    { SMBgetatr, "SMBgetatr", 0,
      { NULL, "Path=[Z]\n",
        "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
        NULL } },

    { SMBsetatr, "SMBsetatr", 0,
      { "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
        NULL, NULL, NULL } },

    { SMBchkpth, "SMBchkpth", 0,
       { NULL, "Path=[Z]\n", NULL, NULL, NULL } },

    { SMBsearch, "SMBsearch", 0,
      { "Count=[d]\nAttrib=[A]\n",
        "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n",
        "Count=[d]\n",
        "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",
        NULL } },

    { SMBopen, "SMBopen", 0,
      { "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n",
        "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",
        NULL, NULL } },

    { SMBcreate, "SMBcreate", 0,
      { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },

    { SMBmknew, "SMBmknew", 0,
      { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },

    { SMBunlink, "SMBunlink", 0,
      { "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } },

    { SMBread, "SMBread", 0,
      { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
        "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },

    { SMBwrite, "SMBwrite", 0,
      { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
        "Count=[d]\n", NULL, NULL } },

    { SMBclose, "SMBclose", 0,
      { "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } },

    { SMBmkdir, "SMBmkdir", 0,
      { NULL, "Path=[Z]\n", NULL, NULL, NULL } },

    { SMBrmdir, "SMBrmdir", 0,
      { NULL, "Path=[Z]\n", NULL, NULL, NULL } },

    { SMBdskattr, "SMBdskattr", 0,
      { NULL, NULL,
        "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
        NULL, NULL } },

    { SMBmv, "SMBmv", 0,
      { "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },

    /*
     * this is a Pathworks specific call, allowing the
     * changing of the root path
     */
    { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },

    { SMBlseek, "SMBlseek", 0,
      { "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } },

    { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },

    { SMBsplopen, "SMBsplopen", 0,
      { "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n",
        NULL, NULL } },

    { SMBsplclose, "SMBsplclose", 0,
      { "Handle=[d]\n", NULL, NULL, NULL, NULL } },

    { SMBsplretq, "SMBsplretq", 0,
      { "MaxCount=[d]\nStartIndex=[d]\n", NULL,
        "Count=[d]\nIndex=[d]\n",
        "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n",
        NULL } },

    { SMBsplwr, "SMBsplwr", 0,
      { "Handle=[d]\n", NULL, NULL, NULL, NULL } },

    { SMBlock, "SMBlock", 0,
      { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },

    { SMBunlock, "SMBunlock", 0,
      { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },

    /* CORE+ PROTOCOL FOLLOWS */

    { SMBreadbraw, "SMBreadbraw", 0,
      { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
        NULL, NULL, NULL, NULL } },

    { SMBwritebraw, "SMBwritebraw", 0,
      { "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n",
        NULL, "WriteRawAck", NULL, NULL } },

    { SMBwritec, "SMBwritec", 0,
      { NULL, NULL, "Count=[d]\n", NULL, NULL } },

    { SMBwriteclose, "SMBwriteclose", 0,
      { "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
        NULL, "Count=[d]\n", NULL, NULL } },

    { SMBlockread, "SMBlockread", 0,
      { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
        "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },

    { SMBwriteunlock, "SMBwriteunlock", 0,
      { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
        "Count=[d]\n", NULL, NULL } },

    { SMBreadBmpx, "SMBreadBmpx", 0,
      { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n",
        NULL,
        "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n",
        NULL, NULL } },

    { SMBwriteBmpx, "SMBwriteBmpx", 0,
      { "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL,
        "Remaining=[d]\n", NULL, NULL } },

    { SMBwriteBs, "SMBwriteBs", 0,
      { "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
        NULL, "Count=[d]\n", NULL, NULL } },

    { SMBsetattrE, "SMBsetattrE", 0,
      { "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
        NULL, NULL, NULL } },

    { SMBgetattrE, "SMBgetattrE", 0,
      { "Handle=[d]\n", NULL,
        "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
        NULL, NULL } },

    { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
    { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },

    { SMBcopy, "SMBcopy", 0,
      { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
        "CopyCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },

    { SMBmove, "SMBmove", 0,
      { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
        "MoveCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },

    { SMBopenX, "SMBopenX", FLG_CHAIN,
      { "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n",
        "Path=[S]\n",
        "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",
        NULL, NULL } },

    { SMBreadX, "SMBreadX", FLG_CHAIN,
      { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n",
        NULL,
        "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n",
        NULL, NULL } },

    { SMBwriteX, "SMBwriteX", FLG_CHAIN,
      { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n",
        NULL,
        "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
        NULL, NULL } },

    { SMBlockingX, "SMBlockingX", FLG_CHAIN,
      { "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n",
        "*Process=[d]\nOffset=[D]\nLength=[D]\n",
        "Com2=[w]\nOff2=[d]\n", NULL, NULL } },

    { SMBffirst, "SMBffirst", 0,
      { "Count=[d]\nAttrib=[A]\n",
        "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
        "Count=[d]\n",
        "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",
        NULL } },

    { SMBfunique, "SMBfunique", 0,
      { "Count=[d]\nAttrib=[A]\n",
        "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
        "Count=[d]\n",
        "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",
        NULL } },

    { SMBfclose, "SMBfclose", 0,
      { "Count=[d]\nAttrib=[A]\n",
        "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
        "Count=[d]\n",
        "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",
        NULL } },

    { SMBfindnclose, "SMBfindnclose", 0,
      { "Handle=[d]\n", NULL, NULL, NULL, NULL } },

    { SMBfindclose, "SMBfindclose", 0,
      { "Handle=[d]\n", NULL, NULL, NULL, NULL } },

    { SMBsends, "SMBsends", 0,
      { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },

    { SMBsendstrt, "SMBsendstrt", 0,
      { NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } },

    { SMBsendend, "SMBsendend", 0,
      { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },

    { SMBsendtxt, "SMBsendtxt", 0,
      { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },

    { SMBsendb, "SMBsendb", 0,
      { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },

    { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT },
    { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT },
    { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT },

    { SMBnegprot, "SMBnegprot", 0,
      { NULL, NULL, NULL, NULL, print_negprot } },

    { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN,
      { NULL, NULL, NULL, NULL, print_sesssetup } },

    { SMBtconX, "SMBtconX", FLG_CHAIN,
      { "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
        NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[S]\n", NULL } },

    { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },

    { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
    { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
    { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
    { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },

    { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
    { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },

    { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
      { "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",
        "Path=[S]\n",
        "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",
        NULL, NULL } },

    { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },

    { -1, NULL, 0, DEFDESCRIPT }
};


/*
 * print a SMB message
 */
static void
print_smb(const u_char *buf, const u_char *maxbuf)
{
    int command;
    const u_char *words, *data;
    struct smbfns *fn;
    const char *fmt_smbheader =
        "[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";


    TCHECK(buf[9]);
    request = (buf[9] & 0x80) ? 0 : 1;

    command = buf[4];

    fn = smbfind(command, smb_fns);

    if (vflag > 1)
      printf("\n");

    printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");

    if (vflag < 2)
      return;

    /* print out the header */
    smb_fdata(buf, fmt_smbheader, buf + 33);

    if (buf[5])
      printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));

    words = buf + 32;
    TCHECK(words[0]);

    for (;;) {
      const char *f1, *f2;
      int wct;
      u_int bcc;

      TCHECK(words[0]);
      wct = words[0];
      data = words + 1 + wct * 2;

      if (request) {
          f1 = fn->descript.req_f1;
          f2 = fn->descript.req_f2;
      } else {
          f1 = fn->descript.rep_f1;
          f2 = fn->descript.rep_f2;
      }

      if (fn->descript.fn)
          (*fn->descript.fn)(words, data, buf, maxbuf);
      else {
          if (wct) {
            printf("smbvwv[]=\n");
            if (f1)
                smb_fdata(words + 1, f1, words + 1 + wct * 2);
            else {
                int i;
                int v;

                for (i = 0; i < wct; i++) {
                  TCHECK2(words[1 + 2 * i], 2);
                  v = EXTRACT_LE_16BITS(words + 1 + 2 * i);
                  printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v);
                }
            }
          }

          TCHECK2(*data, 2);
          bcc = EXTRACT_LE_16BITS(data);
          if (f2) {
            if (bcc > 0) {
                printf("smbbuf[]=\n");
                smb_fdata(data + 2, f2, data + 2 + bcc);
            }
          } else {
            printf("smb_bcc=%u\n", bcc);
            if (bcc > 0) {
                printf("smb_buf[]=\n");
                print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
            }
          }
      }

      if ((fn->flags & FLG_CHAIN) == 0)
          break;
      if (wct == 0)
          break;
      TCHECK(words[1]);
      command = EXTRACT_LE_16BITS(words + 1);
      if (command == 0xFF)
          break;
      TCHECK2(words[3], 2);
      words = buf + EXTRACT_LE_16BITS(words + 3);

      fn = smbfind(command, smb_fns);

      printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
          fn->name, request ? "REQUEST" : "REPLY");
    }

    printf("\n");
    return;
trunc:
    printf("[|SMB]");
    return;
}


/*
 * print a NBT packet received across tcp on port 139
 */
void
nbt_tcp_print(const u_char *data, int length)
{
    const u_char *maxbuf = data + length;
    int flags;
    u_int nbt_len;

    TCHECK2(data[2], 2);
    flags = data[0];
    nbt_len = EXTRACT_16BITS(data + 2);

    startbuf = data;
    if (maxbuf <= data)
      return;

    if (vflag > 1)
      printf ("\n>>>");

    printf(" NBT Packet");

    if (vflag < 2)
      return;

    printf("\n");

    switch (flags) {
    case 1:
      printf("flags=0x%x\n", flags);
    case 0:
      data = smb_fdata(data, "NBT Session Packet\nFlags=[rw]\nLength=[rd]\n",
          data + 4);
      if (data == NULL)
          break;
      if (memcmp(data,"\377SMB",4) == 0) {
          if (nbt_len > PTR_DIFF(maxbuf, data))
          printf("WARNING: Short packet. Try increasing the snap length (%lu)\n",
             (unsigned long)PTR_DIFF(maxbuf, data));
          print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
      } else
          printf("Session packet:(raw data?)\n");
      break;

      case 0x81:
          data = smb_fdata(data,
            "NBT Session Request\nFlags=[rW]\nDestination=[n1]\nSource=[n1]\n",
            maxbuf);
          break;

      case 0x82:
          data = smb_fdata(data, "NBT Session Granted\nFlags=[rW]\n", maxbuf);
          break;

      case 0x83:
        {
          int ecode;

          TCHECK(data[4]);
          ecode = data[4];

          data = smb_fdata(data, "NBT SessionReject\nFlags=[rW]\nReason=[B]\n",
            maxbuf);
          switch (ecode) {
          case 0x80:
            printf("Not listening on called name\n");
            break;
          case 0x81:
            printf("Not listening for calling name\n");
            break;
          case 0x82:
            printf("Called name not present\n");
            break;
          case 0x83:
            printf("Called name present, but insufficient resources\n");
            break;
          default:
            printf("Unspecified error 0x%X\n", ecode);
            break;
          }
        }
          break;

      case 0x85:
          data = smb_fdata(data, "NBT Session Keepalive\nFlags=[rW]\n", maxbuf);
          break;

      default:
          printf("flags=0x%x\n", flags);
          data = smb_fdata(data, "NBT - Unknown packet type\nType=[rW]\n", maxbuf);
    }
    printf("\n");
    fflush(stdout);
    return;
trunc:
    printf("[|SMB]");
    return;
}


/*
 * print a NBT packet received across udp on port 137
 */
void
nbt_udp137_print(const u_char *data, int length)
{
    const u_char *maxbuf = data + length;
    int name_trn_id, response, opcode, nm_flags, rcode;
    int qdcount, ancount, nscount, arcount;
    const char *opcodestr;
    const u_char *p;
    int total, i;

    TCHECK2(data[10], 2);
    name_trn_id = EXTRACT_16BITS(data);
    response = (data[2] >> 7);
    opcode = (data[2] >> 3) & 0xF;
    nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
    rcode = data[3] & 0xF;
    qdcount = EXTRACT_16BITS(data + 4);
    ancount = EXTRACT_16BITS(data + 6);
    nscount = EXTRACT_16BITS(data + 8);
    arcount = EXTRACT_16BITS(data + 10);
    startbuf = data;

    if (maxbuf <= data)
      return;

    if (vflag > 1)
      printf("\n>>> ");

    printf("NBT UDP PACKET(137): ");

    switch (opcode) {
    case 0: opcodestr = "QUERY"; break;
    case 5: opcodestr = "REGISTRATION"; break;
    case 6: opcodestr = "RELEASE"; break;
    case 7: opcodestr = "WACK"; break;
    case 8: opcodestr = "REFRESH(8)"; break;
    case 9: opcodestr = "REFRESH"; break;
    case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
    default: opcodestr = "OPUNKNOWN"; break;
    }
    printf("%s", opcodestr);
    if (response) {
      if (rcode)
          printf("; NEGATIVE");
      else
          printf("; POSITIVE");
    }

    if (response)
      printf("; RESPONSE");
    else
      printf("; REQUEST");

    if (nm_flags & 1)
      printf("; BROADCAST");
    else
      printf("; UNICAST");

    if (vflag < 2)
      return;

    printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
      name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
      arcount);

    p = data + 12;

    total = ancount + nscount + arcount;

    if (qdcount > 100 || total > 100) {
      printf("Corrupt packet??\n");
      return;
    }

    if (qdcount) {
      printf("QuestionRecords:\n");
      for (i = 0; i < qdcount; i++)
          p = smb_fdata(p,
            "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
            maxbuf);
      if (p == NULL)
          goto out;
    }

    if (total) {
      printf("\nResourceRecords:\n");
      for (i = 0; i < total; i++) {
          int rdlen;
          int restype;

          p = smb_fdata(p, "Name=[n1]\n#", maxbuf);
          if (p == NULL)
            goto out;
          restype = EXTRACT_16BITS(p);
          p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8);
          if (p == NULL)
            goto out;
          rdlen = EXTRACT_16BITS(p);
          printf("ResourceLength=%d\nResourceData=\n", rdlen);
          p += 2;
          if (rdlen == 6) {
            p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen);
            if (p == NULL)
                goto out;
          } else {
            if (restype == 0x21) {
                int numnames;

                TCHECK(*p);
                numnames = p[0];
                p = smb_fdata(p, "NumNames=[B]\n", p + 1);
                if (p == NULL)
                  goto out;
                while (numnames--) {
                  p = smb_fdata(p, "Name=[n2]\t#", maxbuf);
                  TCHECK(*p);
                  if (p[0] & 0x80)
                      printf("<GROUP> ");
                  switch (p[0] & 0x60) {
                  case 0x00: printf("B "); break;
                  case 0x20: printf("P "); break;
                  case 0x40: printf("M "); break;
                  case 0x60: printf("_ "); break;
                  }
                  if (p[0] & 0x10)
                      printf("<DEREGISTERING> ");
                  if (p[0] & 0x08)
                      printf("<CONFLICT> ");
                  if (p[0] & 0x04)
                      printf("<ACTIVE> ");
                  if (p[0] & 0x02)
                      printf("<PERMANENT> ");
                  printf("\n");
                  p += 2;
                }
            } else {
                print_data(p, min(rdlen, length - (p - data)));
                p += rdlen;
            }
          }
      }
    }

    if (p < maxbuf)
      smb_fdata(p, "AdditionalData:\n", maxbuf);

out:
    printf("\n");
    fflush(stdout);
    return;
trunc:
    printf("[|SMB]");
    return;
}



/*
 * print a NBT packet received across udp on port 138
 */
void
nbt_udp138_print(const u_char *data, int length)
{
    const u_char *maxbuf = data + length;

    if (maxbuf > snapend)
      maxbuf = snapend;
    if (maxbuf <= data)
      return;
    startbuf = data;

    if (vflag < 2) {
      printf("NBT UDP PACKET(138)");
      return;
    }

    data = smb_fdata(data,
      "\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#",
      maxbuf);

    if (data != NULL) {
      /* If there isn't enough data for "\377SMB", don't check for it. */
      if (&data[3] >= maxbuf)
          goto out;

      if (memcmp(data, "\377SMB",4) == 0)
          print_smb(data, maxbuf);
    }
out:
    printf("\n");
    fflush(stdout);
}


/*
   print netbeui frames
*/
void
netbeui_print(u_short control, const u_char *data, int length)
{
    const u_char *maxbuf = data + length;
    int len;
    int command;
    const u_char *data2;
    int is_truncated = 0;

    if (maxbuf > snapend)
      maxbuf = snapend;
    TCHECK(data[4]);
    len = EXTRACT_LE_16BITS(data);
    command = data[4];
    data2 = data + len;
    if (data2 >= maxbuf) {
      data2 = maxbuf;
      is_truncated = 1;
    }

    startbuf = data;

    if (vflag < 2) {
      printf("NetBeui Packet");
      return;
    }

    printf("\n>>> NetBeui Packet\nType=0x%X ", control);
    data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf);
    if (data == NULL)
      goto out;

    switch (command) {
    case 0xA:
      data = smb_fdata(data, "NameQuery:[P1]\nSessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nDestination=[n2]\nSource=[n2]\n", data2);
      break;

    case 0x8:
      data = smb_fdata(data,
          "NetbiosDataGram:[P7]\nDestination=[n2]\nSource=[n2]\n", data2);
      break;

    case 0xE:
      data = smb_fdata(data,
          "NameRecognise:\n[P1]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n",
          data2);
      break;

    case 0x19:
      data = smb_fdata(data,
          "SessionInitialise:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
          data2);
      break;

    case 0x17:
      data = smb_fdata(data,
          "SessionConfirm:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
          data2);
      break;

    case 0x16:
      data = smb_fdata(data,
          "NetbiosDataOnlyLast:\nFlags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
          data2);
      break;

    case 0x14:
      data = smb_fdata(data,
          "NetbiosDataAck:\n[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
          data2);
      break;

    case 0x18:
      data = smb_fdata(data,
          "SessionEnd:\n[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
          data2);
      break;

    case 0x1f:
      data = smb_fdata(data, "SessionAlive\n", data2);
      break;

    default:
      data = smb_fdata(data, "Unknown Netbios Command ", data2);
      break;
    }
    if (data == NULL)
      goto out;

    if (is_truncated) {
      /* data2 was past the end of the buffer */
      goto out;
    }

    /* If there isn't enough data for "\377SMB", don't look for it. */
    if (&data2[3] >= maxbuf)
      goto out;

    if (memcmp(data2, "\377SMB",4) == 0)
      print_smb(data2, maxbuf);
    else {
      int i;
      for (i = 0; i < 128; i++) {
          if (&data2[i + 3] >= maxbuf)
            break;
          if (memcmp(&data2[i], "\377SMB", 4) == 0) {
            printf("found SMB packet at %d\n", i);
            print_smb(&data2[i], maxbuf);
            break;
          }
      }
    }

out:
    printf("\n");
    return;
trunc:
    printf("[|SMB]");
    return;
}


/*
 * print IPX-Netbios frames
 */
void
ipx_netbios_print(const u_char *data, u_int length)
{
    /*
     * this is a hack till I work out how to parse the rest of the
     * NetBIOS-over-IPX stuff
     */
    int i;
    const u_char *maxbuf;

    maxbuf = data + length;
    /* Don't go past the end of the captured data in the packet. */
    if (maxbuf > snapend)
      maxbuf = snapend;
    startbuf = data;
    for (i = 0; i < 128; i++) {
      if (&data[i + 4] > maxbuf)
          break;
      if (memcmp(&data[i], "\377SMB", 4) == 0) {
          smb_fdata(data, "\n>>> IPX transport ", &data[i]);
          if (data != NULL)
            print_smb(&data[i], maxbuf);
          printf("\n");
          fflush(stdout);
          break;
      }
    }
    if (i == 128)
      smb_fdata(data, "\n>>> Unknown IPX ", maxbuf);
}

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