#include "config.h"
#endif
-#ifndef lint
-static const char rcsid[] =
- "@(#) $Header: /tcpdump/master/tcpdump/print-smb.c,v 1.17 2001-07-28 22:59:30 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 const char tstr[] = "[|SMB]";
+
static int request = 0;
+static int unicodestr = 0;
-const uchar *startbuf = NULL;
+const u_char *startbuf = NULL;
struct smbdescript {
- char *req_f1;
- char *req_f2;
- char *rep_f1;
- char *rep_f2;
- /*
- * sometimes (u_char *, u_char *, u_char *, u_char *) and
- * sometimes (u_char *, u_char *, int, int)
- */
- void (*fn)(const u_char *, const u_char *, ...);
+ 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;
+ const char *name;
int flags;
struct smbdescript descript;
};
+struct smbfnsint
+{
+ int id;
+ const char *name;
+ int flags;
+ struct smbdescriptint descript;
+};
+
#define DEFDESCRIPT { NULL, NULL, NULL, NULL, NULL }
#define FLG_CHAIN (1 << 0)
-static struct smbfns *
-smbfind(int id, struct smbfns *list)
+static const struct smbfns *
+smbfind(int id, const struct smbfns *list)
{
int sindex;
return(&list[0]);
}
-static void
-trans2_findfirst(const uchar *param, const uchar *data, ...)
+static const struct smbfnsint *
+smbfindint(int id, const struct smbfnsint *list)
{
- char *fmt;
- va_list ap;
- int pcnt, dcnt;
+ int sindex;
+
+ for (sindex = 0; list[sindex].name; sindex++)
+ if (list[sindex].id == id)
+ return(&list[sindex]);
- va_start(ap, data);
- pcnt = va_arg(ap, int);
- dcnt = va_arg(ap, int);
- va_end(ap);
+ return(&list[0]);
+}
+
+static void
+trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
+{
+ const char *fmt;
if (request)
- fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP5]\nFile=[S]\n";
+ 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";
- fdata(param, fmt, param + pcnt);
+ smb_fdata(param, fmt, param + pcnt, unicodestr);
if (dcnt) {
printf("data:\n");
print_data(data, dcnt);
}
static void
-trans2_qfsinfo(const uchar *param, const uchar *data, ...)
+trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
{
static int level = 0;
- char *fmt="";
- va_list ap;
- int pcnt, dcnt;
-
- va_start(ap, data);
- pcnt = va_arg(ap, int);
- dcnt = va_arg(ap, int);
- va_end(ap);
+ const char *fmt="";
if (request) {
- level = SVAL(param, 0);
+ TCHECK2(*param, 2);
+ level = EXTRACT_LE_16BITS(param);
fmt = "InfoLevel=[d]\n";
- fdata(param, fmt, param + pcnt);
+ smb_fdata(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;
}
- fdata(data, fmt, data + dcnt);
+ smb_fdata(data, fmt, data + dcnt, unicodestr);
}
if (dcnt) {
printf("data:\n");
print_data(data, dcnt);
}
+ return;
+trunc:
+ printf("%s", tstr);
+ return;
}
-struct smbfns 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 uchar *words, const uchar *dat, ...)
+print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf)
{
- static struct smbfns *fn = &trans2_fns[0];
- uchar *data, *param;
- uchar *f1 = NULL, *f2 = NULL;
+ 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;
- va_list ap;
- uchar *buf, *maxbuf;
-
- va_start(ap, dat);
- buf = va_arg(ap, uchar *);
- maxbuf = va_arg(ap, uchar *);
- va_end(ap);
+ TCHECK(words[0]);
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);
+ 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 {
- 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);
+ if (words[0] == 0) {
+ printf("%s\n", fn->name);
+ printf("Trans2Interim\n");
+ return;
+ }
+ TCHECK2(w[7 * 2], 2);
+ pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
+ param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
+ dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
+ data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
}
printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);
if (request) {
- if (CVAL(words, 0) == 8) {
- fdata(words + 1,
+ 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);
+ maxbuf, unicodestr);
return;
} 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);
+ 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 {
- 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);
- }
+ 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);
+ (*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);
+ 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_browse(uchar *param, int paramlen, const uchar *data, int datalen)
+print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
{
- const uchar *maxbuf = data + datalen;
- int command = CVAL(data, 0);
+ const u_char *maxbuf = data + datalen;
+ int command;
- fdata(param, "BROWSE PACKET\n|Param ", param+paramlen);
+ TCHECK(data[0]);
+ command = data[0];
+
+ smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen, unicodestr);
switch (command) {
case 0xF:
- data = fdata(data,
+ 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);
+ maxbuf, unicodestr);
break;
case 0x1:
- data = fdata(data,
+ 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);
+ maxbuf, unicodestr);
break;
case 0x2:
- data = fdata(data,
+ data = smb_fdata(data,
"BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
- maxbuf);
+ maxbuf, unicodestr);
break;
case 0xc:
- data = fdata(data,
+ 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);
+ maxbuf, unicodestr);
break;
case 0x8:
- data = fdata(data,
+ data = smb_fdata(data,
"BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
- maxbuf);
+ maxbuf, unicodestr);
break;
case 0xb:
- data = fdata(data,
+ data = smb_fdata(data,
"BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
- maxbuf);
+ maxbuf, unicodestr);
break;
case 0x9:
- data = fdata(data,
- "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken?=[B]\n",
- maxbuf);
+ data = smb_fdata(data,
+ "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken=[W]\n",
+ maxbuf, unicodestr);
break;
case 0xa:
- data = fdata(data,
- "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken?=[B]*Name=[S]\n",
- maxbuf);
+ data = smb_fdata(data,
+ "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken=[W]\n*Name=[S]\n",
+ maxbuf, unicodestr);
break;
case 0xd:
- data = fdata(data,
+ data = smb_fdata(data,
"BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
- maxbuf);
+ maxbuf, unicodestr);
break;
case 0xe:
- data = fdata(data,
- "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf);
+ data = smb_fdata(data,
+ "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf, unicodestr);
break;
default:
- data = fdata(data, "Unknown Browser Frame ", maxbuf);
+ data = smb_fdata(data, "Unknown Browser Frame ", maxbuf, unicodestr);
break;
}
+ return;
+trunc:
+ printf("%s", tstr);
+ return;
}
static void
-print_ipc(uchar *param, int paramlen, uchar *data, int datalen)
+print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
{
if (paramlen)
- fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen);
+ smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen,
+ unicodestr);
if (datalen)
- fdata(data, "IPC ", data + datalen);
+ smb_fdata(data, "IPC ", data + datalen, unicodestr);
}
static void
-print_trans(const uchar *words, const uchar *data1, ...)
+print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
{
- uchar *f1, *f2, *f3, *f4;
- uchar *data, *param;
+ u_int bcc;
+ const char *f1, *f2, *f3, *f4;
+ const u_char *data, *param;
+ const u_char *w = words + 1;
int datalen, paramlen;
- va_list ap;
- uchar *buf, *maxbuf;
-
- va_start(ap, data1);
- buf = va_arg(ap, uchar *);
- maxbuf = va_arg(ap, uchar *);
- va_end(ap);
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);
+ 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 {
- 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);
+ 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 ";
}
- fdata(words + 1, f1, MIN(words + 1 + 2 * CVAL(words, 0), maxbuf));
- fdata(data1 + 2, f2, maxbuf - (paramlen + datalen));
+ smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf),
+ unicodestr);
- if (!strcmp(data1 + 2, "\\MAILSLOT\\BROWSE")) {
- print_browse(param, paramlen, data, datalen);
- return;
- }
+ 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);
- if (!strcmp(data1 + 2, "\\PIPE\\LANMAN")) {
- print_ipc(param, paramlen, data, datalen);
- return;
- }
+ if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
+ print_browse(param, paramlen, data, datalen);
+ return;
+ }
- if (paramlen)
- fdata(param, f3, MIN(param + paramlen, maxbuf));
- if (datalen)
- fdata(data, f4, MIN(data + datalen, maxbuf));
+ if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
+ print_ipc(param, paramlen, data, datalen);
+ return;
+ }
+
+ if (paramlen)
+ smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf), unicodestr);
+ if (datalen)
+ smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf), unicodestr);
+ }
+ return;
+trunc:
+ printf("%s", tstr);
+ return;
}
static void
-print_negprot(const uchar *words, const uchar *data, ...)
+print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
{
- uchar *f1 = NULL, *f2 = NULL;
- va_list ap;
- uchar *buf, *maxbuf;
-
- va_start(ap, data);
- buf = va_arg(ap, uchar *);
- maxbuf = va_arg(ap, uchar *);
- va_end(ap);
+ u_int wct, bcc;
+ const char *f1 = NULL, *f2 = NULL;
+ TCHECK(words[0]);
+ wct = words[0];
if (request)
- f2 = "*|Dialect=[Z]\n";
+ f2 = "*|Dialect=[Y]\n";
else {
- if (CVAL(words, 0) == 1)
+ if (wct == 1)
f1 = "Core Protocol\nDialectIndex=[d]";
- else if (CVAL(words, 0) == 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 (CVAL(words, 0) == 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)
- 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));
+ smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
+ unicodestr);
else
- print_data(data + 2, MIN(SVAL(data, 0), PTR_DIFF(maxbuf, data + 2)));
+ 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;
}
static void
-print_sesssetup(const uchar *words, const uchar *data, ...)
+print_sesssetup(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
{
- int wcnt = CVAL(words, 0);
- uchar *f1 = NULL, *f2 = NULL;
- va_list ap;
- uchar *buf, *maxbuf;
-
- va_start(ap, data);
- buf = va_arg(ap, uchar *);
- maxbuf = va_arg(ap, uchar *);
- va_end(ap);
+ u_int wct, bcc;
+ const char *f1 = NULL, *f2 = NULL;
+ 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 (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 (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";
}
}
if (f1)
- fdata(words + 1, f1, MIN(words + 1 + CVAL(words, 0) * 2, maxbuf));
+ smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
+ unicodestr);
else
- print_data(words + 1, MIN(CVAL(words, 0) * 2,
- PTR_DIFF(maxbuf, words + 1)));
+ 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;
+}
- 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)));
+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";
+ }
+
+ 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;
}
-static struct smbfns smb_fns[] = {
+static const struct smbfns smb_fns[] = {
{ -1, "SMBunknown", 0, DEFDESCRIPT },
{ SMBtcon, "SMBtcon", 0,
{ 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 } },
+ { "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } },
{ SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
"Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
NULL, NULL } },
- { SMBlockingX, "SMBlockingX", FLG_CHAIN,
- { "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n",
- "*Process=[d]\nOffset=[D]\nLength=[D]\n",
- "Com2=[w]\nOff2=[d]\n", NULL, NULL } },
-
{ SMBffirst, "SMBffirst", 0,
{ "Count=[d]\nAttrib=[A]\n",
"Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
{ 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, NULL } },
{ SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },
* print a SMB message
*/
static void
-print_smb(const uchar *buf, const uchar *maxbuf)
+print_smb(const u_char *buf, const u_char *maxbuf)
{
+ u_int16_t flags2;
+ int nterrcodes;
int command;
- const uchar *words, *data;
- struct smbfns *fn;
- char *fmt_smbheader =
+ 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;
- request = (CVAL(buf, 9) & 0x80) ? 0 : 1;
+ TCHECK(buf[9]);
+ request = (buf[9] & 0x80) ? 0 : 1;
+ flags2 = EXTRACT_LE_16BITS(&buf[10]);
+ unicodestr = flags2 & 0x8000;
+ nterrcodes = flags2 & 0x4000;
+ startbuf = buf;
- command = CVAL(buf, 4);
+ command = buf[4];
fn = smbfind(command, smb_fns);
return;
/* print out the header */
- fdata(buf, fmt_smbheader, buf + 33);
+ smb_fdata(buf, fmt_smbheader, buf + 33, unicodestr);
- if (CVAL(buf, 5)) {
- int class = CVAL(buf, 5);
- int num = SVAL(buf, 7);
- printf("SMBError = %s\n", smb_errstr(class, num));
+ 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;
- while (words && data) {
- char *f1, *f2;
- int wct = CVAL(words, 0);
+ for (;;) {
+ const char *f1, *f2;
+ int wct;
+ u_int bcc;
+ int newsmboffset;
+
+ 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;
}
if (fn->descript.fn)
- fn->descript.fn(words, data, buf, maxbuf);
+ (*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 (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);
+ }
}
}
+ TCHECK2(*data, 2);
+ bcc = EXTRACT_LE_16BITS(data);
+ printf("smb_bcc=%u\n", bcc);
if (f2) {
- printf("smbbuf[]=\n");
- fdata(data + 2, f2, maxbuf);
+ if (bcc > 0)
+ smb_fdata(data + 2, f2, data + 2 + bcc, unicodestr);
} 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)));
+ print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
}
}
}
- if ((fn->flags & FLG_CHAIN) != 0&& 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->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);
+ fn = smbfind(command, smb_fns);
- printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
- fn->name, request ? "REQUEST" : "REPLY");
- } else
- words = data = NULL;
+ 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");
+ 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)
+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);
+ 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 (maxbuf <= data)
- return;
-
- if (vflag > 1)
- printf ("\n>>> ");
-
- printf("NBT Packet");
-
- if (vflag < 2)
- return;
-
- printf("\n");
- switch (flags) {
- case 1:
- printf("flags=0x%x\n", flags);
- case 0:
- data = fdata(data, "NBT Session Packet\nFlags=[rw]\nLength=[rd]\n",
- data + 4);
- if (data == NULL)
+ if (vflag < 2) {
+ printf(" NBT Session Packet: ");
+ switch (type) {
+ case 0x00:
+ printf("Session Message");
break;
- if (memcmp(data,"\377SMB",4) == 0) {
- if (nbt_len > PTR_DIFF(maxbuf, data))
- printf("WARNING: Short packet. Try increasing the snap length (%lu)\n",
- (unsigned long)PTR_DIFF(maxbuf, data));
- print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
- } else
- printf("Session packet:(raw data?)\n");
- break;
case 0x81:
- data = fdata(data,
- "NBT Session Request\nFlags=[rW]\nDestination=[n1]\nSource=[n1]\n",
- maxbuf);
+ printf("Session Request");
break;
case 0x82:
- data = fdata(data, "NBT Session Granted\nFlags=[rW]\n", maxbuf);
+ printf("Session Granted");
break;
case 0x83:
{
- int ecode = CVAL(data,4);
+ int ecode;
- data = fdata(data, "NBT SessionReject\nFlags=[rW]\nReason=[B]\n",
- maxbuf);
+ 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\n");
+ printf("Not listening on called name");
break;
case 0x81:
- printf("Not listening for calling name\n");
+ printf("Not listening for calling name");
break;
case 0x82:
- printf("Called name not present\n");
+ printf("Called name not present");
break;
case 0x83:
- printf("Called name present, but insufficient resources\n");
+ printf("Called name present, but insufficient resources");
break;
default:
- printf("Unspecified error 0x%X\n", ecode);
+ printf("Unspecified error 0x%X", ecode);
break;
}
}
break;
case 0x85:
- data = fdata(data, "NBT Session Keepalive\nFlags=[rW]\n", maxbuf);
+ printf("Session Keepalive");
break;
default:
- printf("flags=0x%x\n", flags);
- data = fdata(data, "NBT - Unknown packet type\nType=[rW]\n", maxbuf);
+ data = smb_fdata(data, "Unknown packet type [rB]", maxbuf, 0);
+ break;
+ }
+ } else {
+ 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);
}
- 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)
+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;
+ 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)
if (qdcount) {
printf("QuestionRecords:\n");
- for (i = 0; i < qdcount; i++)
- p = fdata(p,
+ for (i = 0; i < qdcount; i++) {
+ p = smb_fdata(p,
"|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
- maxbuf);
- if (p == NULL)
- goto out;
+ maxbuf, 0);
+ if (p == NULL)
+ goto out;
+ }
}
if (total) {
int rdlen;
int restype;
- p = fdata(p, "Name=[n1]\n#", maxbuf);
+ p = smb_fdata(p, "Name=[n1]\n#", maxbuf, 0);
if (p == NULL)
goto out;
- restype = RSVAL(p, 0);
- p = fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8);
+ restype = EXTRACT_16BITS(p);
+ p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0);
if (p == NULL)
goto out;
- rdlen = RSVAL(p, 0);
+ rdlen = EXTRACT_16BITS(p);
printf("ResourceLength=%d\nResourceData=\n", rdlen);
p += 2;
if (rdlen == 6) {
- p = fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen);
+ 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 = CVAL(p, 0);
- p = fdata(p, "NumNames=[B]\n", p + 1);
+ 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 = fdata(p, "Name=[n2]\t#", maxbuf);
+ 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) {
p += 2;
}
} else {
- print_data(p, min(rdlen, length - ((const uchar *)p - data)));
+ print_data(p, min(rdlen, length - (p - data)));
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);
+ 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)
+nbt_udp138_print(const u_char *data, int length)
{
- const uchar *maxbuf = data + length;
+ const u_char *maxbuf = data + length;
if (maxbuf > snapend)
maxbuf = snapend;
return;
}
- data = fdata(data,
+ 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);
+ maxbuf, 0);
- if (data != NULL)
- print_smb(data, maxbuf);
+ if (data != NULL) {
+ /* If there isn't enough data for "\377SMB", don't check for it. */
+ if (&data[3] >= maxbuf)
+ goto out;
+ if (memcmp(data, "\377SMB",4) == 0)
+ print_smb(data, maxbuf);
+ }
+out:
printf("\n");
fflush(stdout);
}
/*
print netbeui frames
*/
+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 uchar *data, int length)
+netbeui_print(u_short control, const u_char *data, int length)
{
- const uchar *maxbuf = data + length;
+ const u_char *maxbuf = data + length;
int len;
int command;
- const uchar *data2;
+ const u_char *data2;
int is_truncated = 0;
if (maxbuf > snapend)
maxbuf = snapend;
- if (&data[7] >= maxbuf)
- goto out;
- len = SVAL(data,0);
- command = CVAL(data,4);
+ TCHECK(data[4]);
+ len = EXTRACT_LE_16BITS(data);
+ command = data[4];
data2 = data + len;
if (data2 >= maxbuf) {
data2 = maxbuf;
startbuf = data;
if (vflag < 2) {
- printf("NetBeui Packet");
- return;
+ 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);
}
-
- 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;
+ 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");
+ }
+ }
- case 0x1f:
- data = fdata(data, "SessionAlive\n", data2);
- break;
+ if (vflag < 2)
+ return;
- default:
- data = fdata(data, "Unknown Netbios Command ", data2);
- break;
- }
if (data == NULL)
goto out;
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;
out:
printf("\n");
+ return;
+trunc:
+ printf("%s", tstr);
+ return;
}
* print IPX-Netbios frames
*/
void
-ipx_netbios_print(const uchar *data, u_int length)
+ipx_netbios_print(const u_char *data, u_int length)
{
/*
* this is a hack till I work out how to parse the rest of the
* NetBIOS-over-IPX stuff
*/
int i;
- const uchar *maxbuf;
+ const u_char *maxbuf;
maxbuf = data + length;
/* Don't go past the end of the captured data in the packet. */
if (&data[i + 4] > maxbuf)
break;
if (memcmp(&data[i], "\377SMB", 4) == 0) {
- fdata(data, "\n>>> IPX transport ", &data[i]);
- if (data != NULL)
- print_smb(&data[i], maxbuf);
+ 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);
+ smb_fdata(data, "\n>>> Unknown IPX ", maxbuf, 0);
}
projects / tcpdump / blobdiff