* or later
*/
+#define NETDISSECT_REWORKED
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#ifndef lint
-static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-smb.c,v 1.31 2004-05-31 01:55:07 guy Exp $";
-#endif
-
#include <tcpdump-stdinc.h>
-#include <stdio.h>
#include <string.h>
#include "interface.h"
#include "extract.h"
#include "smb.h"
+static const char tstr[] = "[|SMB]";
+
static int request = 0;
+static int unicodestr = 0;
const u_char *startbuf = NULL;
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 *);
+ void (*fn)(netdissect_options *, const u_char *, const u_char *, const u_char *, const u_char *);
};
struct smbdescriptint {
const char *req_f2;
const char *rep_f1;
const char *rep_f2;
- void (*fn)(const u_char *, const u_char *, int, int);
+ void (*fn)(netdissect_options *, const u_char *, const u_char *, int, int);
};
struct smbfns
#define FLG_CHAIN (1 << 0)
-static struct smbfns *
-smbfind(int id, struct smbfns *list)
+static const struct smbfns *
+smbfind(int id, const struct smbfns *list)
{
int sindex;
return(&list[0]);
}
-static struct smbfnsint *
-smbfindint(int id, struct smbfnsint *list)
+static const struct smbfnsint *
+smbfindint(int id, const struct smbfnsint *list)
{
int sindex;
}
static void
-trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
+trans2_findfirst(netdissect_options *ndo,
+ 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";
+ 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);
+ smb_fdata(ndo, param, fmt, param + pcnt, unicodestr);
if (dcnt) {
- printf("data:\n");
- print_data(data, dcnt);
+ ND_PRINT((ndo, "data:\n"));
+ print_data(ndo, data, dcnt);
}
}
static void
-trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
+trans2_qfsinfo(netdissect_options *ndo,
+ const u_char *param, const u_char *data, int pcnt, int dcnt)
{
static int level = 0;
const char *fmt="";
if (request) {
- TCHECK2(*param, 2);
+ ND_TCHECK2(*param, 2);
level = EXTRACT_LE_16BITS(param);
fmt = "InfoLevel=[d]\n";
- smb_fdata(param, fmt, param + pcnt);
+ smb_fdata(ndo, param, fmt, param + pcnt, unicodestr);
} 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";
+ fmt = "CreationTime=[T2]VolNameLength=[lb]\nVolumeLabel=[c]\n";
break;
case 0x105:
- fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[D]\nVolume=[S]\n";
+ fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[lD]\nVolume=[C]\n";
break;
default:
fmt = "UnknownLevel\n";
break;
}
- smb_fdata(data, fmt, data + dcnt);
+ smb_fdata(ndo, data, fmt, data + dcnt, unicodestr);
}
if (dcnt) {
- printf("data:\n");
- print_data(data, dcnt);
+ ND_PRINT((ndo, "data:\n"));
+ print_data(ndo, data, dcnt);
}
return;
trunc:
- printf("[|SMB]");
- return;
+ ND_PRINT((ndo, "%s", tstr));
}
-struct smbfnsint trans2_fns[] = {
+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,
static void
-print_trans2(const u_char *words, const u_char *dat _U_, const u_char *buf, const u_char *maxbuf)
+print_trans2(netdissect_options *ndo,
+ const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf)
{
- static struct smbfnsint *fn = &trans2_fns[0];
+ 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]);
+ ND_TCHECK(words[0]);
if (request) {
- TCHECK2(w[14 * 2], 2);
+ ND_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);
fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
} else {
if (words[0] == 0) {
- printf("%s\n", fn->name);
- printf("Trans2Interim\n");
+ ND_PRINT((ndo, "%s\n", fn->name));
+ ND_PRINT((ndo, "Trans2Interim\n"));
return;
}
- TCHECK2(w[7 * 2], 2);
+ ND_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);
+ ND_PRINT((ndo, "%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt));
if (request) {
if (words[0] == 8) {
- smb_fdata(words + 1,
+ smb_fdata(ndo, words + 1,
"Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
- maxbuf);
+ maxbuf, unicodestr);
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);
+ smb_fdata(ndo, 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=[d]\n",
- words + 1 + 10 * 2);
+ smb_fdata(ndo, 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;
}
+ ND_TCHECK2(*dat, 2);
+ bcc = EXTRACT_LE_16BITS(dat);
+ ND_PRINT((ndo, "smb_bcc=%u\n", bcc));
if (fn->descript.fn)
- (*fn->descript.fn)(param, data, pcnt, dcnt);
+ (*fn->descript.fn)(ndo, param, data, pcnt, dcnt);
else {
- smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt);
- smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt);
+ smb_fdata(ndo, param, f1 ? f1 : "Parameters=\n", param + pcnt, unicodestr);
+ smb_fdata(ndo, data, f2 ? f2 : "Data=\n", data + dcnt, unicodestr);
}
return;
trunc:
- printf("[|SMB]");
- return;
+ ND_PRINT((ndo, "%s", tstr));
}
-
static void
-print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
+print_browse(netdissect_options *ndo,
+ const u_char *param, int paramlen, const u_char *data, int datalen)
{
const u_char *maxbuf = data + datalen;
int command;
- TCHECK(data[0]);
+ ND_TCHECK(data[0]);
command = data[0];
- smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen);
+ smb_fdata(ndo, param, "BROWSE PACKET\n|Param ", param+paramlen, unicodestr);
switch (command) {
case 0xF:
- data = smb_fdata(data,
+ data = smb_fdata(ndo, 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);
+ maxbuf, unicodestr);
break;
case 0x1:
- data = smb_fdata(data,
+ data = smb_fdata(ndo, 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);
+ maxbuf, unicodestr);
break;
case 0x2:
- data = smb_fdata(data,
+ data = smb_fdata(ndo, data,
"BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
- maxbuf);
+ maxbuf, unicodestr);
break;
case 0xc:
- data = smb_fdata(data,
+ data = smb_fdata(ndo, 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);
+ maxbuf, unicodestr);
break;
case 0x8:
- data = smb_fdata(data,
+ data = smb_fdata(ndo, data,
"BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
- maxbuf);
+ maxbuf, unicodestr);
break;
case 0xb:
- data = smb_fdata(data,
+ data = smb_fdata(ndo, data,
"BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
- maxbuf);
+ maxbuf, unicodestr);
break;
case 0x9:
- data = smb_fdata(data,
- "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken?=[B]\n",
- maxbuf);
+ data = smb_fdata(ndo, 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?=[B]*Name=[S]\n",
- maxbuf);
+ data = smb_fdata(ndo, data,
+ "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken=[W]\n*Name=[S]\n",
+ maxbuf, unicodestr);
break;
case 0xd:
- data = smb_fdata(data,
+ data = smb_fdata(ndo, data,
"BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
- maxbuf);
+ maxbuf, unicodestr);
break;
case 0xe:
- data = smb_fdata(data,
- "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf);
+ data = smb_fdata(ndo, data,
+ "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf, unicodestr);
break;
default:
- data = smb_fdata(data, "Unknown Browser Frame ", maxbuf);
+ data = smb_fdata(ndo, data, "Unknown Browser Frame ", maxbuf, unicodestr);
break;
}
return;
trunc:
- printf("[|SMB]");
- return;
+ ND_PRINT((ndo, "%s", tstr));
}
static void
-print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
+print_ipc(netdissect_options *ndo,
+ 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);
+ smb_fdata(ndo, param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen,
+ unicodestr);
if (datalen)
- smb_fdata(data, "IPC ", data + datalen);
+ smb_fdata(ndo, data, "IPC ", data + datalen, unicodestr);
}
static void
-print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
+print_trans(netdissect_options *ndo,
+ 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);
+ ND_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);
f3 = "|Param ";
f4 = "|Data ";
} else {
- TCHECK2(w[7 * 2], 2);
+ ND_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);
f4 = "|Data ";
}
- smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf));
- smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen));
+ smb_fdata(ndo, words + 1, f1, min(words + 1 + 2 * words[0], maxbuf),
+ unicodestr);
- if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
- print_browse(param, paramlen, data, datalen);
- return;
- }
+ ND_TCHECK2(*data1, 2);
+ bcc = EXTRACT_LE_16BITS(data1);
+ ND_PRINT((ndo, "smb_bcc=%u\n", bcc));
+ if (bcc > 0) {
+ smb_fdata(ndo, data1 + 2, f2, maxbuf - (paramlen + datalen), unicodestr);
- if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
- print_ipc(param, paramlen, data, datalen);
- return;
- }
+ if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
+ print_browse(ndo, 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));
+ if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
+ print_ipc(ndo, param, paramlen, data, datalen);
+ return;
+ }
+
+ if (paramlen)
+ smb_fdata(ndo, param, f3, min(param + paramlen, maxbuf), unicodestr);
+ if (datalen)
+ smb_fdata(ndo, data, f4, min(data + datalen, maxbuf), unicodestr);
+ }
return;
trunc:
- printf("[|SMB]");
- return;
+ ND_PRINT((ndo, "%s", tstr));
}
static void
-print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
+print_negprot(netdissect_options *ndo,
+ const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
{
- u_int wcnt;
+ u_int wct, bcc;
const char *f1 = NULL, *f2 = NULL;
- TCHECK(words[0]);
- wcnt = words[0];
+ ND_TCHECK(words[0]);
+ wct = words[0];
if (request)
- f2 = "*|Dialect=[Z]\n";
+ f2 = "*|Dialect=[Y]\n";
else {
- if (wcnt == 1)
+ if (wct == 1)
f1 = "Core Protocol\nDialectIndex=[d]";
- else if (wcnt == 17)
+ 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 (wcnt == 13)
+ 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=";
}
if (f1)
- smb_fdata(words + 1, f1, SMBMIN(words + 1 + wcnt * 2, maxbuf));
+ smb_fdata(ndo, words + 1, f1, min(words + 1 + wct * 2, maxbuf),
+ unicodestr);
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)));
+ print_data(ndo, words + 1, min(wct * 2, PTR_DIFF(maxbuf, words + 1)));
+
+ ND_TCHECK2(*data, 2);
+ bcc = EXTRACT_LE_16BITS(data);
+ ND_PRINT((ndo, "smb_bcc=%u\n", bcc));
+ if (bcc > 0) {
+ if (f2)
+ smb_fdata(ndo, data + 2, f2, min(data + 2 + EXTRACT_LE_16BITS(data),
+ maxbuf), unicodestr);
+ else
+ print_data(ndo, data + 2, min(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
+ }
return;
trunc:
- printf("[|SMB]");
- return;
+ ND_PRINT((ndo, "%s", tstr));
}
static void
-print_sesssetup(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
+print_sesssetup(netdissect_options *ndo,
+ const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
{
- u_int wcnt;
+ u_int wct, bcc;
const char *f1 = NULL, *f2 = NULL;
- TCHECK(words[0]);
- wcnt = words[0];
+ ND_TCHECK(words[0]);
+ wct = words[0];
if (request) {
- if (wcnt == 10)
+ 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 (wcnt == 3) {
+ if (wct == 3) {
f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
- } else if (wcnt == 13) {
+ } else if (wct == 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));
+ smb_fdata(ndo, words + 1, f1, min(words + 1 + wct * 2, maxbuf),
+ unicodestr);
else
- print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
+ print_data(ndo, words + 1, min(wct * 2, PTR_DIFF(maxbuf, words + 1)));
+
+ ND_TCHECK2(*data, 2);
+ bcc = EXTRACT_LE_16BITS(data);
+ ND_PRINT((ndo, "smb_bcc=%u\n", bcc));
+ if (bcc > 0) {
+ if (f2)
+ smb_fdata(ndo, data + 2, f2, min(data + 2 + EXTRACT_LE_16BITS(data),
+ maxbuf), unicodestr);
+ else
+ print_data(ndo, data + 2, min(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
+ }
return;
trunc:
- printf("[|SMB]");
+ ND_PRINT((ndo, "%s", tstr));
+}
+
+static void
+print_lockingandx(netdissect_options *ndo,
+ 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;
+
+ ND_TCHECK(words[0]);
+ wct = words[0];
+ if (request) {
+ f1 = "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n";
+ ND_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";
+ }
+
+ maxwords = min(words + 1 + wct * 2, maxbuf);
+ if (wct)
+ smb_fdata(ndo, words + 1, f1, maxwords, unicodestr);
+
+ ND_TCHECK2(*data, 2);
+ bcc = EXTRACT_LE_16BITS(data);
+ ND_PRINT((ndo, "smb_bcc=%u\n", bcc));
+ if (bcc > 0) {
+ if (f2)
+ smb_fdata(ndo, data + 2, f2, min(data + 2 + EXTRACT_LE_16BITS(data),
+ maxbuf), unicodestr);
+ else
+ print_data(ndo, data + 2, min(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
+ }
return;
+trunc:
+ ND_PRINT((ndo, "%s", tstr));
}
-static struct smbfns smb_fns[] = {
+static const struct smbfns smb_fns[] = {
{ -1, "SMBunknown", 0, DEFDESCRIPT },
{ SMBtcon, "SMBtcon", 0,
"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",
{ 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 } },
+ NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[R]\n", NULL } },
+
+ { SMBlockingX, "SMBlockingX", FLG_CHAIN,
+ { NULL, NULL, NULL, NULL, print_lockingandx } },
{ SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
{ 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]\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 } },
* print a SMB message
*/
static void
-print_smb(const u_char *buf, const u_char *maxbuf)
+print_smb(netdissect_options *ndo,
+ const u_char *buf, const u_char *maxbuf)
{
+ uint16_t flags2;
+ int nterrcodes;
int command;
- const u_char *words, *data;
- struct smbfns *fn;
+ uint32_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]);
+ ND_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");
+ if (ndo->ndo_vflag > 1)
+ ND_PRINT((ndo, "\n"));
- printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");
+ ND_PRINT((ndo, "SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY"));
- if (vflag < 2)
+ if (ndo->ndo_vflag < 2)
return;
/* print out the header */
- smb_fdata(buf, fmt_smbheader, buf + 33);
+ smb_fdata(ndo, buf, fmt_smbheader, buf + 33, unicodestr);
- if (buf[5])
- printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
+ if (nterrcodes) {
+ nterror = EXTRACT_LE_32BITS(&buf[5]);
+ if (nterror)
+ ND_PRINT((ndo, "NTError = %s\n", nt_errstr(nterror)));
+ } else {
+ if (buf[5])
+ ND_PRINT((ndo, "SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7]))));
+ }
- words = buf + 32;
- TCHECK(words[0]);
+ smboffset = 32;
for (;;) {
const char *f1, *f2;
int wct;
u_int bcc;
+ int newsmboffset;
- TCHECK(words[0]);
+ words = buf + smboffset;
+ ND_TCHECK(words[0]);
wct = words[0];
data = words + 1 + wct * 2;
+ maxwords = min(data, maxbuf);
if (request) {
f1 = fn->descript.req_f1;
}
if (fn->descript.fn)
- (*fn->descript.fn)(words, data, buf, maxbuf);
+ (*fn->descript.fn)(ndo, words, data, buf, maxbuf);
else {
if (wct) {
- printf("smbvwv[]=\n");
if (f1)
- smb_fdata(words + 1, f1, words + 1 + wct * 2);
+ smb_fdata(ndo, words + 1, f1, words + 1 + wct * 2, unicodestr);
else {
int i;
int v;
- for (i = 0; i < wct; i++) {
- TCHECK2(words[1 + 2 * i], 2);
+ for (i = 0; &words[1 + 2 * i] < maxwords; i++) {
+ ND_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);
+ ND_PRINT((ndo, "smb_vwv[%d]=%d (0x%X)\n", i, v, v));
}
}
}
- TCHECK2(*data, 2);
+ ND_TCHECK2(*data, 2);
bcc = EXTRACT_LE_16BITS(data);
+ ND_PRINT((ndo, "smb_bcc=%u\n", bcc));
if (f2) {
- if (bcc > 0) {
- printf("smbbuf[]=\n");
- smb_fdata(data + 2, f2, data + 2 + bcc);
- }
+ if (bcc > 0)
+ smb_fdata(ndo, data + 2, f2, data + 2 + bcc, unicodestr);
} 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)));
+ ND_PRINT((ndo, "smb_buf[]=\n"));
+ print_data(ndo, data + 2, min(bcc, PTR_DIFF(maxbuf, data + 2)));
}
}
}
break;
if (wct == 0)
break;
- TCHECK(words[1]);
- command = EXTRACT_LE_16BITS(words + 1);
+ ND_TCHECK(words[1]);
+ command = words[1];
if (command == 0xFF)
break;
- TCHECK2(words[3], 2);
- words = buf + EXTRACT_LE_16BITS(words + 3);
+ ND_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");
+ ND_PRINT((ndo, "\nSMB PACKET: %s (%s) (CHAINED)\n",
+ fn->name, request ? "REQUEST" : "REPLY"));
+ if (newsmboffset <= smboffset) {
+ ND_PRINT((ndo, "Bad andX offset: %u <= %u\n", newsmboffset, smboffset));
+ break;
+ }
+ smboffset = newsmboffset;
}
- printf("\n");
+ ND_PRINT((ndo, "\n"));
return;
trunc:
- printf("[|SMB]");
- return;
+ ND_PRINT((ndo, "%s", tstr));
}
* print a NBT packet received across tcp on port 139
*/
void
-nbt_tcp_print(const u_char *data, int length)
+nbt_tcp_print(netdissect_options *ndo,
+ const u_char *data, int length)
{
- const u_char *maxbuf = data + length;
+ int caplen;
int type;
u_int nbt_len;
+ const u_char *maxbuf;
- TCHECK2(data[2], 2);
+ if (length < 4)
+ goto trunc;
+ if (ndo->ndo_snapend < data)
+ goto trunc;
+ caplen = ndo->ndo_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 (maxbuf <= data)
- return;
- if (vflag < 2) {
- printf(" NBT Session Packet: ");
+ if (ndo->ndo_vflag < 2) {
+ ND_PRINT((ndo, " NBT Session Packet: "));
switch (type) {
case 0x00:
- printf("Session Message");
+ ND_PRINT((ndo, "Session Message"));
break;
case 0x81:
- printf("Session Request");
+ ND_PRINT((ndo, "Session Request"));
break;
case 0x82:
- printf("Session Granted");
+ ND_PRINT((ndo, "Session Granted"));
break;
case 0x83:
{
int ecode;
- TCHECK(data[4]);
+ if (nbt_len < 4)
+ goto trunc;
+ if (length < 4)
+ goto trunc;
+ if (caplen < 4)
+ goto trunc;
ecode = data[4];
- printf("Session Reject, ");
+ ND_PRINT((ndo, "Session Reject, "));
switch (ecode) {
case 0x80:
- printf("Not listening on called name");
+ ND_PRINT((ndo, "Not listening on called name"));
break;
case 0x81:
- printf("Not listening for calling name");
+ ND_PRINT((ndo, "Not listening for calling name"));
break;
case 0x82:
- printf("Called name not present");
+ ND_PRINT((ndo, "Called name not present"));
break;
case 0x83:
- printf("Called name present, but insufficient resources");
+ ND_PRINT((ndo, "Called name present, but insufficient resources"));
break;
default:
- printf("Unspecified error 0x%X", ecode);
+ ND_PRINT((ndo, "Unspecified error 0x%X", ecode));
break;
}
}
break;
case 0x85:
- printf("Session Keepalive");
+ ND_PRINT((ndo, "Session Keepalive"));
break;
default:
- data = smb_fdata(data, "Unknown packet type [rB]", maxbuf);
+ data = smb_fdata(ndo, data, "Unknown packet type [rB]", maxbuf, 0);
break;
}
} else {
- printf ("\n>>> NBT Session Packet\n");
+ ND_PRINT((ndo, "\n>>> NBT Session Packet\n"));
switch (type) {
case 0x00:
- data = smb_fdata(data, "[P1]NBT Session Message\nFlags=[rB]\nLength=[d]\n",
- data + 4);
+ data = smb_fdata(ndo, data, "[P1]NBT Session Message\nFlags=[B]\nLength=[rd]\n",
+ data + 4, 0);
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);
+ if (nbt_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) {
+ if ((int)nbt_len > caplen) {
+ if ((int)nbt_len > length)
+ ND_PRINT((ndo, "WARNING: Packet is continued in later TCP segments\n"));
+ else
+ ND_PRINT((ndo, "WARNING: Short packet. Try increasing the snap length by %d\n",
+ nbt_len - caplen));
+ }
+ print_smb(ndo, data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
} else
- printf("Session packet:(raw data?)\n");
+ ND_PRINT((ndo, "Session packet:(raw data or continuation?)\n"));
break;
case 0x81:
- data = smb_fdata(data,
- "[P1]NBT Session Request\nFlags=[rB]\nDestination=[n1]\nSource=[n1]\n",
- maxbuf);
+ data = smb_fdata(ndo, 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=[rB]\n", maxbuf);
+ data = smb_fdata(ndo, data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
break;
case 0x83:
{
+ const u_char *origdata;
int ecode;
- TCHECK(data[4]);
- ecode = data[4];
-
- data = smb_fdata(data, "[P1]NBT SessionReject\nFlags=[rB]\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);
+ origdata = data;
+ data = smb_fdata(ndo, 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:
+ ND_PRINT((ndo, "Not listening on called name\n"));
+ break;
+ case 0x81:
+ ND_PRINT((ndo, "Not listening for calling name\n"));
+ break;
+ case 0x82:
+ ND_PRINT((ndo, "Called name not present\n"));
+ break;
+ case 0x83:
+ ND_PRINT((ndo, "Called name present, but insufficient resources\n"));
+ break;
+ default:
+ ND_PRINT((ndo, "Unspecified error 0x%X\n", ecode));
+ break;
+ }
}
}
break;
case 0x85:
- data = smb_fdata(data, "[P1]NBT Session Keepalive\nFlags=[rB]\n", maxbuf);
+ data = smb_fdata(ndo, data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
break;
default:
- data = smb_fdata(data, "NBT - Unknown packet type\nType=[rB]\n", maxbuf);
+ data = smb_fdata(ndo, data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0);
break;
}
- printf("\n");
- fflush(stdout);
+ ND_PRINT((ndo, "\n"));
}
return;
trunc:
- printf("[|SMB]");
- return;
+ ND_PRINT((ndo, "%s", tstr));
}
+static const struct tok opcode_str[] = {
+ { 0, "QUERY" },
+ { 5, "REGISTRATION" },
+ { 6, "RELEASE" },
+ { 7, "WACK" },
+ { 8, "REFRESH(8)" },
+ { 9, "REFRESH" },
+ { 15, "MULTIHOMED REGISTRATION" },
+ { 0, NULL }
+};
/*
* print a NBT packet received across udp on port 137
*/
void
-nbt_udp137_print(const u_char *data, int length)
+nbt_udp137_print(netdissect_options *ndo,
+ 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);
+ ND_TCHECK2(data[10], 2);
name_trn_id = EXTRACT_16BITS(data);
response = (data[2] >> 7);
opcode = (data[2] >> 3) & 0xF;
if (maxbuf <= data)
return;
- if (vflag > 1)
- printf("\n>>> ");
-
- printf("NBT UDP PACKET(137): ");
+ if (ndo->ndo_vflag > 1)
+ ND_PRINT((ndo, "\n>>> "));
- 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);
+ ND_PRINT((ndo, "NBT UDP PACKET(137): %s", tok2str(opcode_str, "OPUNKNOWN", opcode)));
if (response) {
- if (rcode)
- printf("; NEGATIVE");
- else
- printf("; POSITIVE");
+ ND_PRINT((ndo, "; %s", rcode ? "NEGATIVE" : "POSITIVE"));
}
+ ND_PRINT((ndo, "; %s; %s", response ? "RESPONSE" : "REQUEST",
+ (nm_flags & 1) ? "BROADCAST" : "UNICAST"));
- if (response)
- printf("; RESPONSE");
- else
- printf("; REQUEST");
-
- if (nm_flags & 1)
- printf("; BROADCAST");
- else
- printf("; UNICAST");
-
- if (vflag < 2)
+ if (ndo->ndo_vflag < 2)
return;
- printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
+ ND_PRINT((ndo, "\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);
+ arcount));
p = data + 12;
total = ancount + nscount + arcount;
if (qdcount > 100 || total > 100) {
- printf("Corrupt packet??\n");
+ ND_PRINT((ndo, "Corrupt packet??\n"));
return;
}
if (qdcount) {
- printf("QuestionRecords:\n");
- for (i = 0; i < qdcount; i++)
- p = smb_fdata(p,
+ ND_PRINT((ndo, "QuestionRecords:\n"));
+ for (i = 0; i < qdcount; i++) {
+ p = smb_fdata(ndo, p,
"|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
- maxbuf);
- if (p == NULL)
- goto out;
+ maxbuf, 0);
+ if (p == NULL)
+ goto out;
+ }
}
if (total) {
- printf("\nResourceRecords:\n");
+ ND_PRINT((ndo, "\nResourceRecords:\n"));
for (i = 0; i < total; i++) {
int rdlen;
int restype;
- p = smb_fdata(p, "Name=[n1]\n#", maxbuf);
+ p = smb_fdata(ndo, 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);
+ p = smb_fdata(ndo, p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0);
if (p == NULL)
goto out;
rdlen = EXTRACT_16BITS(p);
- printf("ResourceLength=%d\nResourceData=\n", rdlen);
+ ND_PRINT((ndo, "ResourceLength=%d\nResourceData=\n", rdlen));
p += 2;
if (rdlen == 6) {
- p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen);
+ p = smb_fdata(ndo, 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);
+ ND_TCHECK(*p);
numnames = p[0];
- p = smb_fdata(p, "NumNames=[B]\n", p + 1);
+ p = smb_fdata(ndo, p, "NumNames=[B]\n", p + 1, 0);
if (p == NULL)
goto out;
while (numnames--) {
- p = smb_fdata(p, "Name=[n2]\t#", maxbuf);
- TCHECK(*p);
+ p = smb_fdata(ndo, p, "Name=[n2]\t#", maxbuf, 0);
+ if (p == NULL)
+ goto out;
+ ND_TCHECK(*p);
if (p[0] & 0x80)
- printf("<GROUP> ");
+ ND_PRINT((ndo, "<GROUP> "));
switch (p[0] & 0x60) {
- case 0x00: printf("B "); break;
- case 0x20: printf("P "); break;
- case 0x40: printf("M "); break;
- case 0x60: printf("_ "); break;
+ case 0x00: ND_PRINT((ndo, "B ")); break;
+ case 0x20: ND_PRINT((ndo, "P ")); break;
+ case 0x40: ND_PRINT((ndo, "M ")); break;
+ case 0x60: ND_PRINT((ndo, "_ ")); break;
}
if (p[0] & 0x10)
- printf("<DEREGISTERING> ");
+ ND_PRINT((ndo, "<DEREGISTERING> "));
if (p[0] & 0x08)
- printf("<CONFLICT> ");
+ ND_PRINT((ndo, "<CONFLICT> "));
if (p[0] & 0x04)
- printf("<ACTIVE> ");
+ ND_PRINT((ndo, "<ACTIVE> "));
if (p[0] & 0x02)
- printf("<PERMANENT> ");
- printf("\n");
+ ND_PRINT((ndo, "<PERMANENT> "));
+ ND_PRINT((ndo, "\n"));
p += 2;
}
} else {
- print_data(p, min(rdlen, length - (p - data)));
+ print_data(ndo, p, min(rdlen, length - (p - data)));
p += rdlen;
}
}
}
if (p < maxbuf)
- smb_fdata(p, "AdditionalData:\n", maxbuf);
+ smb_fdata(ndo, p, "AdditionalData:\n", maxbuf, 0);
out:
- printf("\n");
- fflush(stdout);
+ ND_PRINT((ndo, "\n"));
return;
trunc:
- printf("[|SMB]");
- return;
+ ND_PRINT((ndo, "%s", tstr));
}
+/*
+ * Print an SMB-over-TCP packet received across tcp on port 445
+ */
+void
+smb_tcp_print(netdissect_options *ndo,
+ const u_char * data, int length)
+{
+ int caplen;
+ u_int smb_len;
+ const u_char *maxbuf;
+
+ if (length < 4)
+ goto trunc;
+ if (ndo->ndo_snapend < data)
+ goto trunc;
+ caplen = ndo->ndo_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)
+ ND_PRINT((ndo, "WARNING: Packet is continued in later TCP segments\n"));
+ else
+ ND_PRINT((ndo, "WARNING: Short packet. Try increasing the snap length by %d\n",
+ smb_len - caplen));
+ }
+ print_smb(ndo, data, maxbuf > data + smb_len ? data + smb_len : maxbuf);
+ } else
+ ND_PRINT((ndo, "SMB-over-TCP packet:(raw data or continuation?)\n"));
+ return;
+trunc:
+ ND_PRINT((ndo, "%s", tstr));
+}
/*
* print a NBT packet received across udp on port 138
*/
void
-nbt_udp138_print(const u_char *data, int length)
+nbt_udp138_print(netdissect_options *ndo,
+ const u_char *data, int length)
{
const u_char *maxbuf = data + length;
- if (maxbuf > snapend)
- maxbuf = snapend;
+ if (maxbuf > ndo->ndo_snapend)
+ maxbuf = ndo->ndo_snapend;
if (maxbuf <= data)
return;
startbuf = data;
- if (vflag < 2) {
- printf("NBT UDP PACKET(138)");
+ if (ndo->ndo_vflag < 2) {
+ ND_PRINT((ndo, "NBT UDP PACKET(138)"));
return;
}
- data = smb_fdata(data,
+ data = smb_fdata(ndo, 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);
+ maxbuf, 0);
if (data != NULL) {
/* If there isn't enough data for "\377SMB", don't check for it. */
goto out;
if (memcmp(data, "\377SMB",4) == 0)
- print_smb(data, maxbuf);
+ print_smb(ndo, data, maxbuf);
}
out:
- printf("\n");
- fflush(stdout);
+ ND_PRINT((ndo, "\n"));
}
};
void
-netbeui_print(u_short control, const u_char *data, int length)
+netbeui_print(netdissect_options *ndo,
+ u_short control, const u_char *data, int length)
{
const u_char *maxbuf = data + length;
int len;
const u_char *data2;
int is_truncated = 0;
- if (maxbuf > snapend)
- maxbuf = snapend;
- TCHECK(data[4]);
+ if (maxbuf > ndo->ndo_snapend)
+ maxbuf = ndo->ndo_snapend;
+ ND_TCHECK(data[4]);
len = EXTRACT_LE_16BITS(data);
command = data[4];
data2 = data + len;
startbuf = data;
- if (vflag < 2) {
- printf("NBF Packet: ");
- data = smb_fdata(data, "[P5]#", maxbuf);
+ if (ndo->ndo_vflag < 2) {
+ ND_PRINT((ndo, "NBF Packet: "));
+ data = smb_fdata(ndo, 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);
+ ND_PRINT((ndo, "\n>>> NBF Packet\nType=0x%X ", control));
+ data = smb_fdata(ndo, 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);
+ if (ndo->ndo_vflag < 2)
+ data = smb_fdata(ndo, data, "Unknown NBF Command#", data2, 0);
else
- data = smb_fdata(data, "Unknown NBF Command\n", data2);
+ data = smb_fdata(ndo, data, "Unknown NBF Command\n", data2, 0);
} else {
- if (vflag < 2) {
- printf("%s", nbf_strings[command].name);
+ if (ndo->ndo_vflag < 2) {
+ ND_PRINT((ndo, "%s", nbf_strings[command].name));
if (nbf_strings[command].nonverbose != NULL)
- data = smb_fdata(data, nbf_strings[command].nonverbose, data2);
+ data = smb_fdata(ndo, data, nbf_strings[command].nonverbose, data2, 0);
} else {
- printf("%s:\n", nbf_strings[command].name);
+ ND_PRINT((ndo, "%s:\n", nbf_strings[command].name));
if (nbf_strings[command].verbose != NULL)
- data = smb_fdata(data, nbf_strings[command].verbose, data2);
+ data = smb_fdata(ndo, data, nbf_strings[command].verbose, data2, 0);
else
- printf("\n");
+ ND_PRINT((ndo, "\n"));
}
}
- if (vflag < 2)
+ if (ndo->ndo_vflag < 2)
return;
if (data == NULL)
goto out;
if (memcmp(data2, "\377SMB",4) == 0)
- print_smb(data2, maxbuf);
+ print_smb(ndo, 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);
+ ND_PRINT((ndo, "found SMB packet at %d\n", i));
+ print_smb(ndo, &data2[i], maxbuf);
break;
}
}
}
out:
- printf("\n");
+ ND_PRINT((ndo, "\n"));
return;
trunc:
- printf("[|SMB]");
- return;
+ ND_PRINT((ndo, "%s", tstr));
}
* print IPX-Netbios frames
*/
void
-ipx_netbios_print(const u_char *data, u_int length)
+ipx_netbios_print(netdissect_options *ndo,
+ const u_char *data, u_int length)
{
/*
* this is a hack till I work out how to parse the rest of the
maxbuf = data + length;
/* Don't go past the end of the captured data in the packet. */
- if (maxbuf > snapend)
- maxbuf = snapend;
+ if (maxbuf > ndo->ndo_snapend)
+ maxbuf = ndo->ndo_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);
+ smb_fdata(ndo, data, "\n>>> IPX transport ", &data[i], 0);
+ print_smb(ndo, &data[i], maxbuf);
+ ND_PRINT((ndo, "\n"));
break;
}
}
if (i == 128)
- smb_fdata(data, "\n>>> Unknown IPX ", maxbuf);
+ smb_fdata(ndo, data, "\n>>> Unknown IPX ", maxbuf, 0);
}
projects / tcpdump / blobdiff