]> The Tcpdump Group git mirrors - tcpdump/blobdiff - print-smb.c
More UNALIGNED_MEM{CPY,CMP} on IP addresses.
[tcpdump] / print-smb.c
index 85e2b43751bbe1c3750e460239a674d84f3ddb52..32edd196d261152dabff6f9340110d0e7cedcd7c 100644 (file)
-/* 
-   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 */
+/*
+ * 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[] =
-     "@(#) $Header: /tcpdump/master/tcpdump/print-smb.c,v 1.7 2000-12-05 06:42:47 guy Exp $";
-#endif
+#include <tcpdump-stdinc.h>
 
 #include <stdio.h>
 #include <string.h>
-#include <sys/types.h>
 
 #include "interface.h"
+#include "extract.h"
 #include "smb.h"
 
-static int request=0;
+static const char tstr[] = "[|SMB]";
 
-const uchar *startbuf=NULL;
+static int request = 0;
+static int unicodestr = 0;
 
-struct smbdescript
-{
-  char *req_f1;
-  char *req_f2;
-  char *rep_f1;
-  char *rep_f2;
-  void (*fn)(); /* sometimes (u_char *, u_char *, u_char *, u_char *)
-               and sometimes (u_char *, u_char *, int, int) */
+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;
-  char *name;
-  int flags;
-  struct smbdescript descript;
+    int id;
+    const char *name;
+    int flags;
+    struct smbdescript descript;
 };
 
-#define DEFDESCRIPT  {NULL,NULL,NULL,NULL,NULL}
-
-#define FLG_CHAIN (1<<0)
-
-static struct smbfns *smbfind(int id,struct smbfns *list)
+struct smbfnsint
 {
-  int sindex;
+    int id;
+    const char *name;
+    int flags;
+    struct smbdescriptint descript;
+};
 
-  for (sindex=0;list[sindex].name;sindex++) 
-    if (list[sindex].id == id) return(&list[sindex]);
+#define DEFDESCRIPT    { NULL, NULL, NULL, NULL, NULL }
 
-  return(&list[0]);
-}
+#define FLG_CHAIN      (1 << 0)
 
-static void trans2_findfirst(uchar *param,uchar *data,int pcnt,int dcnt)
+static const struct smbfns *
+smbfind(int id, const struct smbfns *list)
 {
-  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";
-  }
-
-  fdata(param,fmt,param+pcnt);
-  if (dcnt) {
-    printf("data:\n");
-    print_data(data,dcnt);
-  }
-}
+    int sindex;
 
-static void trans2_qfsinfo(uchar *param,uchar *data,int pcnt,int dcnt)
-{
-  static int level=0;
-  char *fmt="";
-
-  if (request) {
-    level = SVAL(param,0);
-    fmt = "InfoLevel=[d]\n";
-    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";
-    }
-    fdata(data,fmt,data+dcnt);
-  }
-  if (dcnt) {
-    printf("data:\n");
-    print_data(data,dcnt);
-  }
+    for (sindex = 0; list[sindex].name; sindex++)
+       if (list[sindex].id == id)
+           return(&list[sindex]);
+
+    return(&list[0]);
 }
 
-struct smbfns 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}},
+static const struct smbfnsint *
+smbfindint(int id, const struct smbfnsint *list)
+{
+    int sindex;
 
-{1,"TRANSACT2_FINDFIRST",0,
-   {NULL,NULL,NULL,NULL,trans2_findfirst}},
+    for (sindex = 0; list[sindex].name; sindex++)
+       if (list[sindex].id == id)
+           return(&list[sindex]);
 
-{2,"TRANSACT2_FINDNEXT",0,DEFDESCRIPT},
+    return(&list[0]);
+}
 
-{3,"TRANSACT2_QFSINFO",0,
-   {NULL,NULL,NULL,NULL,trans2_qfsinfo}},
+static void
+trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
+{
+    const char *fmt;
 
-{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}};
+    if (request)
+       fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP4]\nFile=[S]\n";
+    else
+       fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n";
 
+    smb_fdata(param, fmt, param + pcnt, unicodestr);
+    if (dcnt) {
+       printf("data:\n");
+       print_data(data, dcnt);
+    }
+}
 
-static void print_trans2(uchar *words,uchar *dat,uchar *buf,uchar *maxbuf)
+static void
+trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
 {
-  static struct smbfns *fn = &trans2_fns[0];
-  uchar *data,*param;
-  uchar *f1=NULL,*f2=NULL;
-  int pcnt,dcnt;
-
-  if (request) {
-    fn = smbfind(SVAL(words+1,14*2),trans2_fns);
-    data = buf+SVAL(words+1,12*2);
-    param = buf+SVAL(words+1,10*2);
-    pcnt = SVAL(words+1,9*2);
-    dcnt = SVAL(words+1,11*2);
-  } else {
-    data = buf+SVAL(words+1,7*2);
-    param = buf+SVAL(words+1,4*2);
-    pcnt = SVAL(words+1,3*2);
-    dcnt = SVAL(words+1,6*2);
-  }
-
-  printf("%s param_length=%d data_length=%d\n",
-        fn->name,pcnt,dcnt);
-
-  if (request) {
-    if (CVAL(words,0) == 8) {
-      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;      
+    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, unicodestr);
     } else {
-      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);
-      fdata(data+1,"TransactionName=[S]\n%",maxbuf);
+       switch (level) {
+       case 1:
+           fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n";
+           break;
+       case 2:
+           fmt = "CreationTime=[T2]VolNameLength=[lb]\nVolumeLabel=[c]\n";
+           break;
+       case 0x105:
+           fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[lD]\nVolume=[C]\n";
+           break;
+       default:
+           fmt = "UnknownLevel\n";
+           break;
+       }
+       smb_fdata(data, fmt, data + dcnt, unicodestr);
     }
-    f1 = fn->descript.req_f1;
-    f2 = fn->descript.req_f2;
-  } else {
-    if (CVAL(words,0) == 0) {
-      printf("Trans2Interim\n");
-      return;
-    } else {
-      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);
+    if (dcnt) {
+       printf("data:\n");
+       print_data(data, dcnt);
     }
-    f1 = fn->descript.rep_f1;
-    f2 = fn->descript.rep_f2;
-  }
-
-  if (fn->descript.fn) {
-    fn->descript.fn(param,data,pcnt,dcnt);
-  } else {
-    fdata(param,f1?f1:(uchar*)"Paramaters=\n",param+pcnt);
-    fdata(data,f2?f2:(uchar*)"Data=\n",data+dcnt);      
-  }
+    return;
+trunc:
+    printf("%s", tstr);
+    return;
 }
 
+static const 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_browse(uchar *param,int paramlen,const uchar *data,int datalen)
+
+static void
+print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf)
 {
-  const uchar *maxbuf = data + datalen;
-  int command = CVAL(data,0);
-
-  fdata(param,"BROWSE PACKET\n|Param ",param+paramlen);
-
-  switch (command) {
-  case 0xF:
-    data = 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 = 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 = fdata(data,"BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",maxbuf);
-    break;
-    
-  case 0xc:
-    data = 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 = fdata(data,"BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W,W)]\nServerName=[S]\n",maxbuf);
-    break;
-    
-  case 0xb:
-    data = fdata(data,"BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",maxbuf);
-    break;
-    
-  case 0x9:
-    data = fdata(data,"BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken?=[B]\n",maxbuf);
-    break;
-    
-  case 0xa:
-    data = fdata(data,"BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken?=[B]*Name=[S]\n",maxbuf);
-    break;
-    
-  case 0xd:
-    data = fdata(data,"BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",maxbuf);
-    break;
-    
-  case 0xe:
-    data = fdata(data,"BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n",maxbuf);
-    break;
-    
-  default:
-    data = fdata(data,"Unknown Browser Frame ",maxbuf);
-    break;
-  }
-}
+    u_int bcc;
+    static const 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);
 
-static void print_ipc(uchar *param,int paramlen,uchar *data,int datalen)
-{
-  if (paramlen)
-    fdata(param,"Command=[w]\nStr1=[S]\nStr2=[S]\n",param+paramlen);
-  if (datalen)
-    fdata(data,"IPC ",data+datalen);
+    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, unicodestr);
+           return;
+       } else {
+           smb_fdata(words + 1,
+               "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",
+               words + 1 + 14 * 2, unicodestr);
+       }
+       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=[b][P1]\n",
+           words + 1 + 10 * 2, unicodestr);
+       f1 = fn->descript.rep_f1;
+       f2 = fn->descript.rep_f2;
+    }
+
+    TCHECK2(*dat, 2);
+    bcc = EXTRACT_LE_16BITS(dat);
+    printf("smb_bcc=%u\n", bcc);
+    if (fn->descript.fn)
+       (*fn->descript.fn)(param, data, pcnt, dcnt);
+    else {
+       smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt, unicodestr);
+       smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt, unicodestr);
+    }
+    return;
+trunc:
+    printf("%s", tstr);
+    return;
 }
 
 
-static void print_trans(uchar *words,uchar *data1,uchar *buf,uchar *maxbuf)
+static void
+print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
 {
-  uchar *f1,*f2,*f3,*f4;
-  uchar *data,*param;
-  int datalen,paramlen;
-
-  if (request) {
-    paramlen = SVAL(words+1,9*2);
-    param = buf + SVAL(words+1,10*2);
-    datalen = SVAL(words+1,11*2);
-    data = buf + SVAL(words+1,12*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 {
-    paramlen = SVAL(words+1,3*2);
-    param = buf + SVAL(words+1,4*2);
-    datalen = SVAL(words+1,6*2);
-    data = buf + SVAL(words+1,7*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 ";
-  }
-
-  fdata(words+1,f1,MIN(words+1+2*CVAL(words,0),maxbuf));
-  fdata(data1+2,f2,maxbuf - (paramlen + datalen));
-
-  if (!strcmp(data1+2,"\\MAILSLOT\\BROWSE")) {
-    print_browse(param,paramlen,data,datalen);
-    return;
-  }
+    const u_char *maxbuf = data + datalen;
+    int command;
 
-  if (!strcmp(data1+2,"\\PIPE\\LANMAN")) {
-    print_ipc(param,paramlen,data,datalen);
-    return;
-  }
-
-  if (paramlen) fdata(param,f3,MIN(param+paramlen,maxbuf));
-  if (datalen) fdata(data,f4,MIN(data+datalen,maxbuf));
-}
+    TCHECK(data[0]);
+    command = data[0];
 
+    smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen, unicodestr);
 
+    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, unicodestr);
+       break;
 
-static void print_negprot(uchar *words,uchar *data,uchar *buf,uchar *maxbuf)
-{
-  uchar *f1=NULL,*f2=NULL;
-
-  if (request) {
-    f2 = "*|Dialect=[Z]\n";
-  } else {
-    if (CVAL(words,0) == 1) {
-      f1 = "Core Protocol\nDialectIndex=[d]";
-    } else if (CVAL(words,0) == 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 (CVAL(words,0) == 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) 
-    fdata(words+1,f1,MIN(words + 1 + CVAL(words,0)*2,maxbuf));
-  else
-    print_data(words+1,MIN(CVAL(words,0)*2,PTR_DIFF(maxbuf,words+1)));
-  
-  if (f2) 
-    fdata(data+2,f2,MIN(data + 2 + SVAL(data,0),maxbuf));
-  else
-    print_data(data+2,MIN(SVAL(data,0),PTR_DIFF(maxbuf,data+2)));
-    
-}
+    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, unicodestr);
+       break;
 
-static void print_sesssetup(uchar *words,uchar *data,uchar *buf,uchar *maxbuf)
-{
-  int wcnt = CVAL(words,0);
-  uchar *f1=NULL,*f2=NULL;
+    case 0x2:
+       data = smb_fdata(data,
+           "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
+           maxbuf, unicodestr);
+       break;
 
-  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 (CVAL(words,0) == 3) {
-      f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
-    } else if (CVAL(words,0) == 13) {
-      f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
-      f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
-    }
-  }
-
-  if (f1) 
-    fdata(words+1,f1,MIN(words + 1 + CVAL(words,0)*2,maxbuf));
-  else
-    print_data(words+1,MIN(CVAL(words,0)*2,PTR_DIFF(maxbuf,words+1)));
-  
-  if (f2) 
-    fdata(data+2,f2,MIN(data + 2 + SVAL(data,0),maxbuf));
-  else
-    print_data(data+2,MIN(SVAL(data,0),PTR_DIFF(maxbuf,data+2))); 
-}
+    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, unicodestr);
+       break;
 
+    case 0x8:
+       data = smb_fdata(data,
+           "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
+           maxbuf, unicodestr);
+       break;
 
-static struct smbfns smb_fns[] = 
-{
-{-1,"SMBunknown",0,DEFDESCRIPT},
+    case 0xb:
+       data = smb_fdata(data,
+           "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
+           maxbuf, unicodestr);
+       break;
 
-{SMBtcon,"SMBtcon",0,
-   {NULL,"Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
-    "MaxXmit=[d]\nTreeId=[d]\n",NULL,
-    NULL}},
+    case 0x9:
+       data = smb_fdata(data,
+           "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken=[W]\n",
+           maxbuf, unicodestr);
+       break;
 
+    case 0xa:
+       data = smb_fdata(data,
+           "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken=[W]\n*Name=[S]\n",
+           maxbuf, unicodestr);
+       break;
 
-{SMBtdis,"SMBtdis",0,DEFDESCRIPT},
-{SMBexit,"SMBexit",0,DEFDESCRIPT},
-{SMBioctl,"SMBioctl",0,DEFDESCRIPT},
+    case 0xd:
+       data = smb_fdata(data,
+           "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
+           maxbuf, unicodestr);
+       break;
 
-{SMBecho,"SMBecho",0,
-   {"ReverbCount=[d]\n",NULL,
-    "SequenceNum=[d]\n",NULL,
-    NULL}},
+    case 0xe:
+       data = smb_fdata(data,
+           "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf, unicodestr);
+       break;
 
-{SMBulogoffX, "SMBulogoffX",FLG_CHAIN,DEFDESCRIPT},
+    default:
+       data = smb_fdata(data, "Unknown Browser Frame ", maxbuf, unicodestr);
+       break;
+    }
+    return;
+trunc:
+    printf("%s", tstr);
+    return;
+}
 
-{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}},
+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,
+           unicodestr);
+    if (datalen)
+       smb_fdata(data, "IPC ", data + datalen, unicodestr);
+}
 
-{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}},
+static void
+print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
+{
+    u_int bcc;
+    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),
+        unicodestr);
 
-{SMBopen,"SMBopen",0,
-   {"Mode=[w]\nAttribute=[A]\n","Path=[Z]\n",
-    "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",NULL,
-    NULL}},
+    TCHECK2(*data1, 2);
+    bcc = EXTRACT_LE_16BITS(data1);
+    printf("smb_bcc=%u\n", bcc);
+    if (bcc > 0) {
+       smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen), unicodestr);
 
-{SMBcreate,"SMBcreate",0,
-   {"Attrib=[A]\nTime=[T2]","Path=[Z]\n",
-    "Handle=[d]\n",NULL,
-    NULL}},
+       if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
+           print_browse(param, paramlen, data, datalen);
+           return;
+       }
 
-{SMBmknew,"SMBmknew",0,
-   {"Attrib=[A]\nTime=[T2]","Path=[Z]\n",
-    "Handle=[d]\n",NULL,
-    NULL}},
+       if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
+           print_ipc(param, paramlen, data, datalen);
+           return;
+       }
 
-{SMBunlink,"SMBunlink",0,
-   {"Attrib=[A]\n","Path=[Z]\n",NULL,NULL,NULL}},
+       if (paramlen)
+           smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf), unicodestr);
+       if (datalen)
+           smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf), unicodestr);
+    }
+    return;
+trunc:
+    printf("%s", tstr);
+    return;
+}
 
-{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}},
+static void
+print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
+{
+    u_int wct, bcc;
+    const char *f1 = NULL, *f2 = NULL;
+
+    TCHECK(words[0]);
+    wct = words[0];
+    if (request)
+       f2 = "*|Dialect=[Y]\n";
+    else {
+       if (wct == 1)
+           f1 = "Core Protocol\nDialectIndex=[d]";
+       else if (wct == 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 (wct == 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=";
+    }
 
-{SMBclose,"SMBclose",0,
-   {"Handle=[d]\nTime=[T2]",NULL,NULL,NULL,NULL}},
+    if (f1)
+       smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
+           unicodestr);
+    else
+       print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
+
+    TCHECK2(*data, 2);
+    bcc = EXTRACT_LE_16BITS(data);
+    printf("smb_bcc=%u\n", bcc);
+    if (bcc > 0) {
+       if (f2)
+           smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
+               maxbuf), unicodestr);
+       else
+           print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
+    }
+    return;
+trunc:
+    printf("%s", tstr);
+    return;
+}
 
-{SMBmkdir,"SMBmkdir",0,
-   {NULL,"Path=[Z]\n",NULL,NULL,NULL}},
+static void
+print_sesssetup(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
+{
+    u_int wct, bcc;
+    const char *f1 = NULL, *f2 = NULL;
+
+    TCHECK(words[0]);
+    wct = words[0];
+    if (request) {
+       if (wct == 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 (wct == 3) {
+           f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
+       } else if (wct == 13) {
+           f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
+           f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
+       }
+    }
 
-{SMBrmdir,"SMBrmdir",0,
-   {NULL,"Path=[Z]\n",NULL,NULL,NULL}},
+    if (f1)
+       smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
+           unicodestr);
+    else
+       print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
+
+    TCHECK2(*data, 2);
+    bcc = EXTRACT_LE_16BITS(data);
+    printf("smb_bcc=%u\n", bcc);
+    if (bcc > 0) {
+       if (f2)
+           smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
+               maxbuf), unicodestr);
+       else
+           print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
+    }
+    return;
+trunc:
+    printf("%s", tstr);
+    return;
+}
 
-{SMBdskattr,"SMBdskattr",0,
-{NULL,NULL,
-"TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
-NULL,NULL}},
+static void
+print_lockingandx(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
+{
+    u_int wct, bcc;
+    const u_char *maxwords;
+    const char *f1 = NULL, *f2 = NULL;
+
+    TCHECK(words[0]);
+    wct = words[0];
+    if (request) {
+       f1 = "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n";
+       TCHECK(words[7]);
+       if (words[7] & 0x10)
+           f2 = "*Process=[d]\n[P2]Offset=[M]\nLength=[M]\n";
+       else
+           f2 = "*Process=[d]\nOffset=[D]\nLength=[D]\n";
+    } else {
+       f1 = "Com2=[w]\nOff2=[d]\n";
+    }
 
-{SMBmv,"SMBmv",0,
-   {"Attrib=[A]\n","OldPath=[Z]\nNewPath=[Z]\n",NULL,NULL,NULL}},
+    maxwords = SMBMIN(words + 1 + wct * 2, maxbuf);
+    if (wct)
+       smb_fdata(words + 1, f1, maxwords, unicodestr);
+
+    TCHECK2(*data, 2);
+    bcc = EXTRACT_LE_16BITS(data);
+    printf("smb_bcc=%u\n", bcc);
+    if (bcc > 0) {
+       if (f2)
+           smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
+               maxbuf), unicodestr);
+       else
+           print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
+    }
+    return;
+trunc:
+    printf("%s", tstr);
+    return;
+}
 
-/* 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}},
+static const struct smbfns smb_fns[] = {
+    { -1, "SMBunknown", 0, DEFDESCRIPT },
 
-{SMBflush,"SMBflush",0,
-   {"Handle=[d]\n",NULL,NULL,NULL,NULL}},
+    { SMBtcon, "SMBtcon", 0,
+       { NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
+         "MaxXmit=[d]\nTreeId=[d]\n", NULL,
+         NULL } },
 
-{SMBsplopen,"SMBsplopen",0,
-   {"SetupLen=[d]\nMode=[w]\n","Ident=[Z]\n","Handle=[d]\n",NULL,NULL}},
+    { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
+    { SMBexit,  "SMBexit", 0, DEFDESCRIPT },
+    { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },
 
-{SMBsplclose,"SMBsplclose",0,
-   {"Handle=[d]\n",NULL,NULL,NULL,NULL}},
+    { SMBecho, "SMBecho", 0,
+       { "ReverbCount=[d]\n", NULL,
+         "SequenceNum=[d]\n", 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}},
+    { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },
 
-{SMBsplwr,"SMBsplwr",0,
-   {"Handle=[d]\n",NULL,NULL,NULL,NULL}},
+    { SMBgetatr, "SMBgetatr", 0,
+       { NULL, "Path=[Z]\n",
+         "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
+         NULL } },
 
-{SMBlock,"SMBlock",0,
-   {"Handle=[d]\nCount=[D]\nOffset=[D]\n",NULL,NULL,NULL,NULL}},
+    { SMBsetatr, "SMBsetatr", 0,
+       { "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
+         NULL, NULL, NULL } },
 
-{SMBunlock,"SMBunlock",0,
-   {"Handle=[d]\nCount=[D]\nOffset=[D]\n",NULL,NULL,NULL,NULL}},
+    { SMBchkpth, "SMBchkpth", 0,
+       { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 
-/* CORE+ PROTOCOL FOLLOWS */
+    { 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 } },
 
-{SMBreadbraw,"SMBreadbraw",0,
-{"Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
- NULL,NULL,NULL,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 } },
 
-{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}},
+    { SMBcreate, "SMBcreate", 0,
+       { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
 
-{SMBwritec,"SMBwritec",0,
-   {NULL,NULL,"Count=[d]\n",NULL,NULL}},
+    { SMBmknew, "SMBmknew", 0,
+       { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[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}},
+    { SMBunlink, "SMBunlink", 0,
+       { "Attrib=[A]\n", "Path=[Z]\n", NULL, 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}},
+    { SMBread, "SMBread", 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}},
+    { SMBwrite, "SMBwrite", 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}},
+    { SMBclose, "SMBclose", 0,
+       { "Handle=[d]\nTime=[T2]", NULL, NULL, 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}},
+    { SMBmkdir, "SMBmkdir", 0,
+       { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 
-{SMBwriteBs,"SMBwriteBs",0,
-   {"Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",NULL,
-    "Count=[d]\n",NULL,NULL}},
+    { SMBrmdir, "SMBrmdir", 0,
+       { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 
-{SMBsetattrE,"SMBsetattrE",0,
-   {"Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]",NULL,
-      NULL,NULL,NULL}},
+    { SMBdskattr, "SMBdskattr", 0,
+       { NULL, NULL,
+         "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
+         NULL, NULL } },
 
-{SMBgetattrE,"SMBgetattrE",0,
-{"Handle=[d]\n",NULL,
- "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",NULL,NULL}},
+    { SMBmv, "SMBmv", 0,
+       { "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },
 
-{SMBtranss,"SMBtranss",0,DEFDESCRIPT},
-{SMBioctls,"SMBioctls",0,DEFDESCRIPT},
+    /*
+     * this is a Pathworks specific call, allowing the
+     * changing of the root path
+     */
+    { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
 
-{SMBcopy,"SMBcopy",0,
-   {"TreeID2=[d]\nOFun=[w]\nFlags=[w]\n","Path=[S]\nNewPath=[S]\n",
-    "CopyCount=[d]\n","|ErrStr=[S]\n",NULL}},
+    { SMBlseek, "SMBlseek", 0,
+       { "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } },
 
-{SMBmove,"SMBmove",0,
-   {"TreeID2=[d]\nOFun=[w]\nFlags=[w]\n","Path=[S]\nNewPath=[S]\n",
-    "MoveCount=[d]\n","|ErrStr=[S]\n",NULL}},
+    { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, 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}},
+    { SMBsplopen, "SMBsplopen", 0,
+       { "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\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}},
+    { SMBsplclose, "SMBsplclose", 0,
+       { "Handle=[d]\n", NULL, NULL, 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}},
+    { 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 } },
 
-{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"}},
+    { SMBwriteclose, "SMBwriteclose", 0,
+       { "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
+         NULL, "Count=[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}},
+    { SMBlockread, "SMBlockread", 0,
+       { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
+         "Count=[d]\nRes=([w,w,w,w])\n", NULL, 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}},
+    { SMBwriteunlock, "SMBwriteunlock", 0,
+       { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
+         "Count=[d]\n", NULL, 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}},
+    { 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 } },
 
-{SMBfindnclose, "SMBfindnclose", 0,
-   {"Handle=[d]\n",NULL,NULL,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 } },
 
-{SMBfindclose, "SMBfindclose", 0,
-   {"Handle=[d]\n",NULL,NULL,NULL,NULL}},
+    { SMBwriteBs, "SMBwriteBs", 0,
+       { "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
+         NULL, "Count=[d]\n", NULL, NULL } },
 
-{SMBsends,"SMBsends",0,
-   {NULL,"Source=[Z]\nDest=[Z]\n",NULL,NULL,NULL}},
+    { SMBsetattrE, "SMBsetattrE", 0,
+       { "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
+         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}},
+    { SMBgetattrE, "SMBgetattrE", 0,
+       { "Handle=[d]\n", NULL,
+         "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
+         NULL, NULL } },
 
-{SMBsendtxt,"SMBsendtxt",0,
-   {"GroupID=[d]\n",NULL,NULL,NULL,NULL}},
+    { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
+    { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },
 
-{SMBsendb,"SMBsendb",0,
-   {NULL,"Source=[Z]\nDest=[Z]\n",NULL,NULL,NULL}},
+    { SMBcopy, "SMBcopy", 0,
+       { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
+         "CopyCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 
-{SMBfwdname,"SMBfwdname",0,DEFDESCRIPT},
-{SMBcancelf,"SMBcancelf",0,DEFDESCRIPT},
-{SMBgetmac,"SMBgetmac",0,DEFDESCRIPT},
+    { SMBmove, "SMBmove", 0,
+       { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
+         "MoveCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
 
-{SMBnegprot,"SMBnegprot",0,
-   {NULL,NULL,NULL,NULL,print_negprot}},
+    { 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 } },
 
-{SMBsesssetupX,"SMBsesssetupX",FLG_CHAIN,
-   {NULL,NULL,NULL,NULL,print_sesssetup}},
+    { 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 } },
 
-{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}},
+    { 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 } },
 
-{SMBtrans2, "SMBtrans2",0,{NULL,NULL,NULL,NULL,print_trans2}},
+    { 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 } },
 
-{SMBtranss2, "SMBtranss2", 0,DEFDESCRIPT},
-{SMBctemp,"SMBctemp",0,DEFDESCRIPT},
-{SMBreadBs,"SMBreadBs",0,DEFDESCRIPT},
-{SMBtrans,"SMBtrans",0,{NULL,NULL,NULL,NULL,print_trans}},
+    { 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 } },
 
-{SMBnttrans,"SMBnttrans", 0, DEFDESCRIPT},
-{SMBnttranss,"SMBnttranss", 0, DEFDESCRIPT},
+    { 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 } },
 
-{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}},
+    { SMBfindnclose, "SMBfindnclose", 0,
+       { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
 
-{SMBntcancel,"SMBntcancel", 0, DEFDESCRIPT},
+    { 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 } },
 
-{-1,NULL,0,DEFDESCRIPT}};
+    { 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 } },
 
-/*******************************************************************
-print a SMB message
-********************************************************************/
-static void print_smb(const uchar *buf, const uchar *maxbuf)
-{
-  int command;
-  const uchar *words, *data;
-  struct smbfns *fn;
-  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";
+    { SMBtconX, "SMBtconX", FLG_CHAIN,
+       { "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
+         NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[R]\n", NULL } },
 
-  request = (CVAL(buf,9)&0x80)?0:1;
+    { SMBlockingX, "SMBlockingX", FLG_CHAIN,
+       { NULL, NULL, NULL, NULL, print_lockingandx } },
+
+    { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
 
-  command = CVAL(buf,4);
+    { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
+    { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
+    { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
+    { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },
 
-  fn = smbfind(command,smb_fns);
+    { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
+    { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },
 
-  printf("\nSMB PACKET: %s (%s)\n",fn->name,request?"REQUEST":"REPLY");
+    { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
+       { "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",
+         "Path=[C]\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 },
 
-  if (vflag == 0) return;
+    { -1, NULL, 0, DEFDESCRIPT }
+};
 
-  /* print out the header */
-  fdata(buf,fmt_smbheader,buf+33);
 
-  if (CVAL(buf,5)) {
-    int class = CVAL(buf,5);
-    int num = SVAL(buf,7);
-    printf("SMBError = %s\n",smb_errstr(class,num));
-  }
+/*
+ * print a SMB message
+ */
+static void
+print_smb(const u_char *buf, const u_char *maxbuf)
+{
+    u_int16_t flags2;
+    int nterrcodes;
+    int command;
+    u_int32_t nterror;
+    const u_char *words, *maxwords, *data;
+    const 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";
+    int smboffset;
+
+    TCHECK(buf[9]);
+    request = (buf[9] & 0x80) ? 0 : 1;
+    flags2 = EXTRACT_LE_16BITS(&buf[10]);
+    unicodestr = flags2 & 0x8000;
+    nterrcodes = flags2 & 0x4000;
+    startbuf = buf;
+
+    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, unicodestr);
+
+    if (nterrcodes) {
+       nterror = EXTRACT_LE_32BITS(&buf[5]);
+       if (nterror)
+           printf("NTError = %s\n", nt_errstr(nterror));
+    } else {
+       if (buf[5])
+           printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
+    }
 
-  words = buf+32;
-  data = words + 1 + CVAL(words,0)*2;
+    smboffset = 32;
 
+    for (;;) {
+       const char *f1, *f2;
+       int wct;
+       u_int bcc;
+       int newsmboffset;
 
-  while (words && data)
-    {
-      char *f1,*f2;
-      int wct = CVAL(words,0);
+       words = buf + smboffset;
+       TCHECK(words[0]);
+       wct = words[0];
+       data = words + 1 + wct * 2;
+       maxwords = SMBMIN(data, maxbuf);
 
-      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 (f1) {
-         printf("smbvwv[]=\n");
-         fdata(words+1,f1,words + 1 + wct*2);
-       } else if (wct) {
-         int i;
-         int v;
-         printf("smbvwv[]=\n");
-         for (i=0;i<wct;i++) {
-           v = SVAL(words+1,2*i);
-           printf("smb_vwv[%d]=%d (0x%X)\n",i,v,v);
-         }
-       }
-       
-       if (f2) {
-         printf("smbbuf[]=\n");
-         fdata(data+2,f2,maxbuf);
+       if (request) {
+           f1 = fn->descript.req_f1;
+           f2 = fn->descript.req_f2;
        } else {
-         int bcc = SVAL(data,0);
-         printf("smb_bcc=%d\n",bcc);
-         if (bcc>0) {
-           printf("smb_buf[]=\n");
-           print_data(data + 2, MIN(bcc,PTR_DIFF(maxbuf,data+2)));
-         }
+           f1 = fn->descript.rep_f1;
+           f2 = fn->descript.rep_f2;
        }
-      }
 
-      if ((fn->flags & FLG_CHAIN) && CVAL(words,0) && SVAL(words,1)!=0xFF) {
-       command = SVAL(words,1);
-       words = buf + SVAL(words,3);
-       data = words + 1 + CVAL(words,0)*2;
+       if (fn->descript.fn)
+           (*fn->descript.fn)(words, data, buf, maxbuf);
+       else {
+           if (wct) {
+               if (f1)
+                   smb_fdata(words + 1, f1, words + 1 + wct * 2, unicodestr);
+               else {
+                   int i;
+                   int v;
+
+                   for (i = 0; &words[1 + 2 * i] < maxwords; 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);
+                   }
+               }
+           }
 
-       fn = smbfind(command,smb_fns);
+           TCHECK2(*data, 2);
+           bcc = EXTRACT_LE_16BITS(data);
+           printf("smb_bcc=%u\n", bcc);
+           if (f2) {
+               if (bcc > 0)
+                   smb_fdata(data + 2, f2, data + 2 + bcc, unicodestr);
+           } else {
+               if (bcc > 0) {
+                   printf("smb_buf[]=\n");
+                   print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
+               }
+           }
+       }
 
-       printf("\nSMB PACKET: %s (%s) (CHAINED)\n",fn->name,request?"REQUEST":"REPLY");
-      } else {
-       words = data = NULL;
-      }
+       if ((fn->flags & FLG_CHAIN) == 0)
+           break;
+       if (wct == 0)
+           break;
+       TCHECK(words[1]);
+       command = words[1];
+       if (command == 0xFF)
+           break;
+       TCHECK2(words[3], 2);
+       newsmboffset = EXTRACT_LE_16BITS(words + 3);
+
+       fn = smbfind(command, smb_fns);
+
+       printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
+           fn->name, request ? "REQUEST" : "REPLY");
+       if (newsmboffset <= smboffset) {
+           printf("Bad andX offset: %u <= %u\n", newsmboffset, smboffset);
+           break;
+       }
+       smboffset = newsmboffset;
     }
 
-  printf("\n");  
+    printf("\n");
+    return;
+trunc:
+    printf("%s", tstr);
+    return;
 }
 
 
 /*
-   print a NBT packet received across tcp on port 139
-*/
-void nbt_tcp_print(const uchar *data,int length)
+ * print a NBT packet received across tcp on port 139
+ */
+void
+nbt_tcp_print(const u_char *data, int length)
 {
-  const uchar *maxbuf = data + length;
-  int flags = CVAL(data,0);
-  int nbt_len = RSVAL(data,2);
-
-  startbuf = data;
-  if (maxbuf <= data) return;
+    int caplen;
+    int type;
+    u_int nbt_len;
+    const u_char *maxbuf;
+
+    if (length < 4)
+       goto trunc;
+    if (snapend < data)
+       goto trunc;
+    caplen = snapend - data;
+    if (caplen < 4)
+       goto trunc;
+    maxbuf = data + caplen;
+    type = data[0];
+    nbt_len = EXTRACT_16BITS(data + 2);
+    length -= 4;
+    caplen -= 4;
+
+    startbuf = data;
+
+    if (vflag < 2) {
+       printf(" NBT Session Packet: ");
+       switch (type) {
+       case 0x00:
+           printf("Session Message");
+           break;
+
+       case 0x81:
+           printf("Session Request");
+           break;
+
+       case 0x82:
+           printf("Session Granted");
+           break;
+
+       case 0x83:
+         {
+           int ecode;
+
+           if (nbt_len < 4)
+               goto trunc;
+           if (length < 4)
+               goto trunc;
+           if (caplen < 4)
+               goto trunc;
+           ecode = data[4];
+
+           printf("Session Reject, ");
+           switch (ecode) {
+           case 0x80:
+               printf("Not listening on called name");
+               break;
+           case 0x81:
+               printf("Not listening for calling name");
+               break;
+           case 0x82:
+               printf("Called name not present");
+               break;
+           case 0x83:
+               printf("Called name present, but insufficient resources");
+               break;
+           default:
+               printf("Unspecified error 0x%X", ecode);
+               break;
+           }
+         }
+           break;
 
-  printf("\n>>> NBT Packet\n");
+       case 0x85:
+           printf("Session Keepalive");
+           break;
 
-  switch (flags) {
-  case 1:    
-    printf("flags=0x%x\n", flags);
-  case 0:    
-    data = 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 (%ld)\n",
-              PTR_DIFF(maxbuf,data));
-      print_smb(data,maxbuf>data+nbt_len?data+nbt_len:maxbuf);
+       default:
+           data = smb_fdata(data, "Unknown packet type [rB]", maxbuf, 0);
+           break;
+       }
     } else {
-           printf("Session packet:(raw data?)\n");
-    }
-    break;
-
-  case 0x81:
-    data = fdata(data,"NBT Session Request\nFlags=[rW]\nDestination=[n1]\nSource=[n1]\n",maxbuf);
-    break;
-
-  case 0x82:
-    data = fdata(data,"NBT Session Granted\nFlags=[rW]\n",maxbuf);
-    break;
-
-  case 0x83:
-    {
-      int ecode = CVAL(data,4);
-      data = 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;    
-      }
+       printf ("\n>>> NBT Session Packet\n");
+       switch (type) {
+       case 0x00:
+           data = smb_fdata(data, "[P1]NBT Session Message\nFlags=[B]\nLength=[rd]\n",
+               data + 4, 0);
+           if (data == NULL)
+               break;
+           if (nbt_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) {
+               if ((int)nbt_len > caplen) {
+                   if ((int)nbt_len > length)
+                       printf("WARNING: Packet is continued in later TCP segments\n");
+                   else
+                       printf("WARNING: Short packet. Try increasing the snap length by %d\n",
+                           nbt_len - caplen);
+               }
+               print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
+           } else
+               printf("Session packet:(raw data or continuation?)\n");
+           break;
+
+       case 0x81:
+           data = smb_fdata(data,
+               "[P1]NBT Session Request\nFlags=[B]\nLength=[rd]\nDestination=[n1]\nSource=[n1]\n",
+               maxbuf, 0);
+           break;
+
+       case 0x82:
+           data = smb_fdata(data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
+           break;
+
+       case 0x83:
+         {
+           const u_char *origdata;
+           int ecode;
+
+           origdata = data;
+           data = smb_fdata(data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[rd]\nReason=[B]\n",
+               maxbuf, 0);
+           if (data == NULL)
+               break;
+           if (nbt_len >= 1 && caplen >= 1) {
+               ecode = origdata[4];
+               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, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
+           break;
+
+       default:
+           data = smb_fdata(data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0);
+           break;
+       }
+       printf("\n");
+       fflush(stdout);
     }
-    break;
-
-  case 0x85:
-    data = fdata(data,"NBT Session Keepalive\nFlags=[rW]\n",maxbuf);
-    break;
-
-  default:
-    printf("flags=0x%x\n", flags);
-    data = fdata(data,"NBT - Unknown packet type\nType=[rW]\n",maxbuf);
-  }
-  printf("\n");
-  fflush(stdout);
+    return;
+trunc:
+    printf("%s", tstr);
+    return;
 }
 
 
 /*
-   print a NBT packet received across udp on port 137
-*/
-void nbt_udp137_print(const uchar *data, int length)
+ * print a NBT packet received across udp on port 137
+ */
+void
+nbt_udp137_print(const u_char *data, int length)
 {
-  const uchar *maxbuf = data + length;
-  int name_trn_id = RSVAL(data,0);
-  int response = (CVAL(data,2)>>7);
-  int opcode = (CVAL(data,2) >> 3) & 0xF;
-  int nm_flags = ((CVAL(data,2) & 0x7) << 4) + (CVAL(data,3)>>4);
-  int rcode = CVAL(data,3) & 0xF;
-  int qdcount = RSVAL(data,4);
-  int ancount = RSVAL(data,6);
-  int nscount = RSVAL(data,8);
-  int arcount = RSVAL(data,10);
-  char *opcodestr;  
-  const char *p;
-
-  startbuf = data;
-
-  if (maxbuf <= data) return;
-
-  printf("\n>>> 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;
-  default: opcodestr = "OPUNKNOWN"; break;
-  }
-  printf("%s", opcodestr);
-  if (response) {
-    if (rcode)
-      printf("; NEGATIVE");
+    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("; POSITIVE");
-  }
-    
-  if (response) 
-    printf("; RESPONSE");
-  else
-    printf("; REQUEST");
-
-  if (nm_flags&1)
-    printf("; BROADCAST");
-  else
-    printf("; UNICAST");
-  
-  if (vflag == 0) 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;
-
-  {
-    int total = ancount+nscount+arcount;
-    int i;
+       printf("; REQUEST");
+
+    if (nm_flags & 1)
+       printf("; BROADCAST");
+    else
+       printf("; UNICAST");
 
-    if (qdcount>100 || total>100) {
-      printf("Corrupt packet??\n");
-      return;
+    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 = fdata(p,"|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",maxbuf);
-       if (p == NULL)
-         goto out;
+       printf("QuestionRecords:\n");
+       for (i = 0; i < qdcount; i++) {
+           p = smb_fdata(p,
+               "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
+               maxbuf, 0);
+           if (p == NULL)
+               goto out;
+       }
     }
 
     if (total) {
-      printf("\nResourceRecords:\n");
-      for (i=0;i<total;i++) {    
-       int rdlen;
-       int restype;
-       p = fdata(p,"Name=[n1]\n#",maxbuf);
-       if (p == NULL)
-         goto out;
-       restype = RSVAL(p,0);
-       p = fdata(p,"ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n",p+8);
-       if (p == NULL)
-         goto out;
-       rdlen = RSVAL(p,0);
-       printf("ResourceLength=%d\nResourceData=\n",rdlen);
-       p += 2;
-       if (rdlen == 6) {
-         p = fdata(p,"AddrType=[rw]\nAddress=[b.b.b.b]\n",p+rdlen);
-         if (p == NULL)
-           goto out;
-       } else {
-         if (restype == 0x21) {
-           int numnames = CVAL(p,0);
-           p = fdata(p,"NumNames=[B]\n",p+1);
+       printf("\nResourceRecords:\n");
+       for (i = 0; i < total; i++) {
+           int rdlen;
+           int restype;
+
+           p = smb_fdata(p, "Name=[n1]\n#", maxbuf, 0);
+           if (p == NULL)
+               goto out;
+           restype = EXTRACT_16BITS(p);
+           p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0);
            if (p == NULL)
-             goto out;
-           while (numnames--) {
-             p = fdata(p,"Name=[n2]\t#",maxbuf);
-             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;
+               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, 0);
+               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, 0);
+                   if (p == NULL)
+                       goto out;
+                   while (numnames--) {
+                       p = smb_fdata(p, "Name=[n2]\t#", maxbuf, 0);
+                       if (p == NULL)
+                           goto out;
+                       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;
+               }
            }
-         } else {
-           print_data(p,rdlen);
-           p += rdlen;
-         }
        }
-      }
     }
-  }
 
-  if ((uchar*)p < maxbuf) {
-    fdata(p,"AdditionalData:\n",maxbuf);    
-  }      
-  
+    if (p < maxbuf)
+       smb_fdata(p, "AdditionalData:\n", maxbuf, 0);
+
 out:
-  printf("\n");
-  fflush(stdout);
+    printf("\n");
+    fflush(stdout);
+    return;
+trunc:
+    printf("%s", tstr);
+    return;
 }
 
-
+/*
+ * Print an SMB-over-TCP packet received across tcp on port 445
+ */
+void
+smb_tcp_print (const u_char * data, int length)
+{
+    int caplen;
+    u_int smb_len;
+    const u_char *maxbuf;
+
+    if (length < 4)
+       goto trunc;
+    if (snapend < data)
+       goto trunc;
+    caplen = snapend - data;
+    if (caplen < 4)
+       goto trunc;
+    maxbuf = data + caplen;
+    smb_len = EXTRACT_24BITS(data + 1);
+    length -= 4;
+    caplen -= 4;
+
+    startbuf = data;
+    data += 4;
+
+    if (smb_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) {
+       if ((int)smb_len > caplen) {
+           if ((int)smb_len > length)
+               printf("WARNING: Packet is continued in later TCP segments\n");
+           else
+               printf("WARNING: Short packet. Try increasing the snap length by %d\n",
+                   smb_len - caplen);
+       }
+       print_smb(data, maxbuf > data + smb_len ? data + smb_len : maxbuf);
+    } else
+       printf("SMB-over-TCP packet:(raw data or continuation?)\n");
+    return;
+trunc:
+    printf("%s", tstr);
+    return;
+}
 
 /*
-   print a NBT packet received across udp on port 138
-*/
-void nbt_udp138_print(const uchar *data, int length)
+ * print a NBT packet received across udp on port 138
+ */
+void
+nbt_udp138_print(const u_char *data, int length)
 {
-  const uchar *maxbuf = data + length;
-  startbuf = data;
-  if (maxbuf <= data) return;
+    const u_char *maxbuf = data + length;
 
-  data = 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 (maxbuf > snapend)
+       maxbuf = snapend;
+    if (maxbuf <= data)
+       return;
+    startbuf = data;
 
-  if (data != NULL)
-    print_smb(data,maxbuf);
-  
-  printf("\n");
-  fflush(stdout);
-}
+    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, 0);
+
+    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 
+   print netbeui frames
 */
-void netbeui_print(u_short control, const uchar *data, const uchar *maxbuf)
+struct nbf_strings {
+       const char      *name;
+       const char      *nonverbose;
+       const char      *verbose;
+} nbf_strings[0x20] = {
+       { "Add Group Name Query", ", [P23]Name to add=[n2]#",
+         "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
+       { "Add Name Query", ", [P23]Name to add=[n2]#",
+         "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
+       { "Name In Conflict", NULL, NULL },
+       { "Status Query", NULL, NULL },
+       { NULL, NULL, NULL },   /* not used */
+       { NULL, NULL, NULL },   /* not used */
+       { NULL, NULL, NULL },   /* not used */
+       { "Terminate Trace", NULL, NULL },
+       { "Datagram", NULL,
+         "[P7]Destination=[n2]\nSource=[n2]\n" },
+       { "Broadcast Datagram", NULL,
+         "[P7]Destination=[n2]\nSource=[n2]\n" },
+       { "Name Query", ", [P7]Name=[n2]#",
+         "[P1]SessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nName=[n2]\nName of sender=[n2]\n" },
+       { NULL, NULL, NULL },   /* not used */
+       { NULL, NULL, NULL },   /* not used */
+       { "Add Name Response", ", [P1]GroupName=[w] [P4]Destination=[n2] Source=[n2]#",
+         "AddNameInProcess=[B]\nGroupName=[w]\nTransmitCorrelator=[w][P2]\nDestination=[n2]\nSource=[n2]\n" },
+       { "Name Recognized", NULL,
+         "[P1]Data2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n" },
+       { "Status Response", NULL, NULL },
+       { NULL, NULL, NULL },   /* not used */
+       { NULL, NULL, NULL },   /* not used */
+       { NULL, NULL, NULL },   /* not used */
+       { "Terminate Trace", NULL, NULL },
+       { "Data Ack", NULL,
+         "[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
+       { "Data First/Middle", NULL,
+         "Flags=[{RECEIVE_CONTINUE|NO_ACK||PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
+       { "Data Only/Last", NULL,
+         "Flags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
+       { "Session Confirm", NULL,
+         "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
+       { "Session End", NULL,
+         "[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
+       { "Session Initialize", NULL,
+         "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
+       { "No Receive", NULL,
+         "Flags=[{|SEND_NO_ACK}]\nDataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
+       { "Receive Outstanding", NULL,
+         "[P1]DataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
+       { "Receive Continue", NULL,
+         "[P2]TransmitCorrelator=[w]\n[P2]RemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
+       { NULL, NULL, NULL },   /* not used */
+       { NULL, NULL, NULL },   /* not used */
+       { "Session Alive", NULL, NULL }
+};
+
+void
+netbeui_print(u_short control, const u_char *data, int length)
 {
-  int len = SVAL(data,0);
-  int command = CVAL(data,4);
-  const uchar *data2 = data + len;
-  int is_truncated = 0;
-
-  if (data2 >= maxbuf) {
-    data2 = maxbuf;
-    is_truncated = 1;
-  }
-
-  startbuf = data;
-
-  printf("\n>>> NetBeui Packet\nType=0x%X ", control);
-  data = fdata(data,"Length=[d] Signature=[w] Command=[B]\n#",maxbuf);
-  if (data == NULL)
-    goto out;
-
-  switch (command) {
-  case 0xA: 
-    data = fdata(data,"NameQuery:[P1]\nSessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nDestination=[n2]\nSource=[n2]\n",data2);
-    break;
-
-  case 0x8:
-    data = fdata(data,"NetbiosDataGram:[P7]\nDestination=[n2]\nSource=[n2]\n",data2);
-    break;
-
-  case 0xE:
-    data = fdata(data,"NameRecognise:\n[P1]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n",data2);
-    break;
-
-  case 0x19:
-    data = fdata(data,"SessionInitialise:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",data2);
-    break;
-
-  case 0x17:
-    data = fdata(data,"SessionConfirm:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",data2);
-    break;
-
-  case 0x16:
-    data = 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 = fdata(data,"NetbiosDataAck:\n[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",data2);
-    break;
-
-  case 0x18:
-    data = fdata(data,"SessionEnd:\n[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",data2);
-    break;
-
-  case 0x1f:
-    data = fdata(data,"SessionAlive\n",data2);
-    break;
-
-  default:
-    data = 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 (memcmp(data2,"\377SMB",4)==0) {
-    print_smb(data2,maxbuf);
-  } else {
-    int i;
-    for (i=0;i<128;i++) {
-      if (&data2[i] >= maxbuf)
-        break;
-      if (memcmp(&data2[i],"\377SMB",4)==0) {
-       printf("found SMB packet at %d\n", i);
-       print_smb(&data2[i],maxbuf);
-       break;
-      }
+    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("NBF Packet: ");
+       data = smb_fdata(data, "[P5]#", maxbuf, 0);
+    } else {
+       printf("\n>>> NBF Packet\nType=0x%X ", control);
+       data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf, 0);
+    }
+    if (data == NULL)
+       goto out;
+
+    if (command > 0x1f || nbf_strings[command].name == NULL) {
+       if (vflag < 2)
+           data = smb_fdata(data, "Unknown NBF Command#", data2, 0);
+       else
+           data = smb_fdata(data, "Unknown NBF Command\n", data2, 0);
+    } else {
+       if (vflag < 2) {
+           printf("%s", nbf_strings[command].name);
+           if (nbf_strings[command].nonverbose != NULL)
+               data = smb_fdata(data, nbf_strings[command].nonverbose, data2, 0);
+       } else {
+           printf("%s:\n", nbf_strings[command].name);
+           if (nbf_strings[command].verbose != NULL)
+               data = smb_fdata(data, nbf_strings[command].verbose, data2, 0);
+           else
+               printf("\n");
+       }
+    }
+
+    if (vflag < 2)
+       return;
+
+    if (data == NULL)
+       goto out;
+
+    if (is_truncated) {
+       /* data2 was past the end of the buffer */
+       goto out;
+    }
+
+    /* If this isn't a command that would contain an SMB message, quit. */
+    if (command != 0x08 && command != 0x09 && command != 0x15 &&
+        command != 0x16)
+       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");
+    printf("\n");
+    return;
+trunc:
+    printf("%s", tstr);
+    return;
 }
 
 
 /*
-   print IPX-Netbios frames 
-*/
-void ipx_netbios_print(const uchar *data, const uchar *maxbuf)
+ * 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 IPX stuff */
-  int i;
-  startbuf = data;
-  for (i=0;i<128;i++)
-    if (memcmp(&data[i],"\377SMB",4)==0) {
-      fdata(data,"\n>>> IPX transport ",&data[i]);
-      if (data != NULL)
-       print_smb(&data[i],maxbuf);
-      printf("\n");
-      fflush(stdout);
-      break;
+    /*
+     * 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], 0);
+           print_smb(&data[i], maxbuf);
+           printf("\n");
+           fflush(stdout);
+           break;
+       }
     }
-  if (i==128)
-    fdata(data,"\n>>> Unknown IPX ",maxbuf);
+    if (i == 128)
+       smb_fdata(data, "\n>>> Unknown IPX ", maxbuf, 0);
 }