1/*
2 * Copyright (C) Andrew Tridgell 1995-1999
3 *
4 * This software may be distributed either under the terms of the
5 * BSD-style license that accompanies tcpdump or the GNU GPL version 2
6 * or later
7 */
8
9#ifdef HAVE_CONFIG_H
10#include "config.h"
11#endif
12
13#ifndef lint
14static const char rcsid[] _U_ =
15     "@(#) $Header: /tcpdump/master/tcpdump/print-smb.c,v 1.47 2007-12-09 00:30:47 guy Exp $";
16#endif
17
18#include <tcpdump-stdinc.h>
19
20#include <stdio.h>
21#include <string.h>
22
23#include "interface.h"
24#include "extract.h"
25#include "smb.h"
26
27static int request = 0;
28static int unicodestr = 0;
29
30const u_char *startbuf = NULL;
31
32struct smbdescript {
33    const char *req_f1;
34    const char *req_f2;
35    const char *rep_f1;
36    const char *rep_f2;
37    void (*fn)(const u_char *, const u_char *, const u_char *, const u_char *);
38};
39
40struct smbdescriptint {
41    const char *req_f1;
42    const char *req_f2;
43    const char *rep_f1;
44    const char *rep_f2;
45    void (*fn)(const u_char *, const u_char *, int, int);
46};
47
48struct smbfns
49{
50    int id;
51    const char *name;
52    int flags;
53    struct smbdescript descript;
54};
55
56struct smbfnsint
57{
58    int id;
59    const char *name;
60    int flags;
61    struct smbdescriptint descript;
62};
63
64#define DEFDESCRIPT	{ NULL, NULL, NULL, NULL, NULL }
65
66#define FLG_CHAIN	(1 << 0)
67
68static struct smbfns *
69smbfind(int id, struct smbfns *list)
70{
71    int sindex;
72
73    for (sindex = 0; list[sindex].name; sindex++)
74	if (list[sindex].id == id)
75	    return(&list[sindex]);
76
77    return(&list[0]);
78}
79
80static struct smbfnsint *
81smbfindint(int id, struct smbfnsint *list)
82{
83    int sindex;
84
85    for (sindex = 0; list[sindex].name; sindex++)
86	if (list[sindex].id == id)
87	    return(&list[sindex]);
88
89    return(&list[0]);
90}
91
92static void
93trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
94{
95    const char *fmt;
96
97    if (request)
98	fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP4]\nFile=[S]\n";
99    else
100	fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n";
101
102    smb_fdata(param, fmt, param + pcnt, unicodestr);
103    if (dcnt) {
104	printf("data:\n");
105	print_data(data, dcnt);
106    }
107}
108
109static void
110trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
111{
112    static int level = 0;
113    const char *fmt="";
114
115    if (request) {
116	TCHECK2(*param, 2);
117	level = EXTRACT_LE_16BITS(param);
118	fmt = "InfoLevel=[d]\n";
119	smb_fdata(param, fmt, param + pcnt, unicodestr);
120    } else {
121	switch (level) {
122	case 1:
123	    fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n";
124	    break;
125	case 2:
126	    fmt = "CreationTime=[T2]VolNameLength=[lb]\nVolumeLabel=[c]\n";
127	    break;
128	case 0x105:
129	    fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[lD]\nVolume=[C]\n";
130	    break;
131	default:
132	    fmt = "UnknownLevel\n";
133	    break;
134	}
135	smb_fdata(data, fmt, data + dcnt, unicodestr);
136    }
137    if (dcnt) {
138	printf("data:\n");
139	print_data(data, dcnt);
140    }
141    return;
142trunc:
143    printf("[|SMB]");
144    return;
145}
146
147struct smbfnsint trans2_fns[] = {
148    { 0, "TRANSACT2_OPEN", 0,
149	{ "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[D]\nRes=([w, w, w, w, w])\nPath=[S]",
150	  NULL,
151	  "Handle=[d]\nAttrib=[A]\nTime=[T2]\nSize=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[d]\n|EALength=[d]\n",
152	  NULL, NULL }},
153    { 1, "TRANSACT2_FINDFIRST", 0,
154	{ NULL, NULL, NULL, NULL, trans2_findfirst }},
155    { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT },
156    { 3, "TRANSACT2_QFSINFO", 0,
157	{ NULL, NULL, NULL, NULL, trans2_qfsinfo }},
158    { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT },
159    { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT },
160    { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT },
161    { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT },
162    { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT },
163    { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT },
164    { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT },
165    { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT },
166    { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT },
167    { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT },
168    { -1, NULL, 0, DEFDESCRIPT }
169};
170
171
172static void
173print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf)
174{
175    u_int bcc;
176    static struct smbfnsint *fn = &trans2_fns[0];
177    const u_char *data, *param;
178    const u_char *w = words + 1;
179    const char *f1 = NULL, *f2 = NULL;
180    int pcnt, dcnt;
181
182    TCHECK(words[0]);
183    if (request) {
184	TCHECK2(w[14 * 2], 2);
185	pcnt = EXTRACT_LE_16BITS(w + 9 * 2);
186	param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
187	dcnt = EXTRACT_LE_16BITS(w + 11 * 2);
188	data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
189	fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
190    } else {
191	if (words[0] == 0) {
192	    printf("%s\n", fn->name);
193	    printf("Trans2Interim\n");
194	    return;
195	}
196	TCHECK2(w[7 * 2], 2);
197	pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
198	param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
199	dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
200	data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
201    }
202
203    printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);
204
205    if (request) {
206	if (words[0] == 8) {
207	    smb_fdata(words + 1,
208		"Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
209		maxbuf, unicodestr);
210	    return;
211	} else {
212	    smb_fdata(words + 1,
213		"TotParam=[d]\nTotData=[d]\nMaxParam=[d]\nMaxData=[d]\nMaxSetup=[b][P1]\nFlags=[w]\nTimeOut=[D]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nDataCnt=[d]\nDataOff=[d]\nSetupCnt=[b][P1]\n",
214		words + 1 + 14 * 2, unicodestr);
215	}
216	f1 = fn->descript.req_f1;
217	f2 = fn->descript.req_f2;
218    } else {
219	smb_fdata(words + 1,
220	    "TotParam=[d]\nTotData=[d]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nParamDisp[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nSetupCnt=[b][P1]\n",
221	    words + 1 + 10 * 2, unicodestr);
222	f1 = fn->descript.rep_f1;
223	f2 = fn->descript.rep_f2;
224    }
225
226    TCHECK2(*dat, 2);
227    bcc = EXTRACT_LE_16BITS(dat);
228    printf("smb_bcc=%u\n", bcc);
229    if (fn->descript.fn)
230	(*fn->descript.fn)(param, data, pcnt, dcnt);
231    else {
232	smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt, unicodestr);
233	smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt, unicodestr);
234    }
235    return;
236trunc:
237    printf("[|SMB]");
238    return;
239}
240
241
242static void
243print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
244{
245    const u_char *maxbuf = data + datalen;
246    int command;
247
248    TCHECK(data[0]);
249    command = data[0];
250
251    smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen, unicodestr);
252
253    switch (command) {
254    case 0xF:
255	data = smb_fdata(data,
256	    "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
257	    maxbuf, unicodestr);
258	break;
259
260    case 0x1:
261	data = smb_fdata(data,
262	    "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
263	    maxbuf, unicodestr);
264	break;
265
266    case 0x2:
267	data = smb_fdata(data,
268	    "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
269	    maxbuf, unicodestr);
270	break;
271
272    case 0xc:
273	data = smb_fdata(data,
274	    "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n",
275	    maxbuf, unicodestr);
276	break;
277
278    case 0x8:
279	data = smb_fdata(data,
280	    "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
281	    maxbuf, unicodestr);
282	break;
283
284    case 0xb:
285	data = smb_fdata(data,
286	    "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
287	    maxbuf, unicodestr);
288	break;
289
290    case 0x9:
291	data = smb_fdata(data,
292	    "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken=[W]\n",
293	    maxbuf, unicodestr);
294	break;
295
296    case 0xa:
297	data = smb_fdata(data,
298	    "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken=[W]\n*Name=[S]\n",
299	    maxbuf, unicodestr);
300	break;
301
302    case 0xd:
303	data = smb_fdata(data,
304	    "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
305	    maxbuf, unicodestr);
306	break;
307
308    case 0xe:
309	data = smb_fdata(data,
310	    "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf, unicodestr);
311	break;
312
313    default:
314	data = smb_fdata(data, "Unknown Browser Frame ", maxbuf, unicodestr);
315	break;
316    }
317    return;
318trunc:
319    printf("[|SMB]");
320    return;
321}
322
323
324static void
325print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
326{
327    if (paramlen)
328	smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen,
329	    unicodestr);
330    if (datalen)
331	smb_fdata(data, "IPC ", data + datalen, unicodestr);
332}
333
334
335static void
336print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
337{
338    u_int bcc;
339    const char *f1, *f2, *f3, *f4;
340    const u_char *data, *param;
341    const u_char *w = words + 1;
342    int datalen, paramlen;
343
344    if (request) {
345	TCHECK2(w[12 * 2], 2);
346	paramlen = EXTRACT_LE_16BITS(w + 9 * 2);
347	param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
348	datalen = EXTRACT_LE_16BITS(w + 11 * 2);
349	data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
350	f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nMaxParmCnt=[d] \nMaxDataCnt=[d]\nMaxSCnt=[d] \nTransFlags=[w] \nRes1=[w] \nRes2=[w] \nRes3=[w]\nParamCnt=[d] \nParamOff=[d] \nDataCnt=[d] \nDataOff=[d] \nSUCnt=[d]\n";
351	f2 = "|Name=[S]\n";
352	f3 = "|Param ";
353	f4 = "|Data ";
354    } else {
355	TCHECK2(w[7 * 2], 2);
356	paramlen = EXTRACT_LE_16BITS(w + 3 * 2);
357	param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
358	datalen = EXTRACT_LE_16BITS(w + 6 * 2);
359	data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
360	f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n";
361	f2 = "|Unknown ";
362	f3 = "|Param ";
363	f4 = "|Data ";
364    }
365
366    smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf),
367        unicodestr);
368
369    TCHECK2(*data1, 2);
370    bcc = EXTRACT_LE_16BITS(data1);
371    printf("smb_bcc=%u\n", bcc);
372    if (bcc > 0) {
373	smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen), unicodestr);
374
375	if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
376	    print_browse(param, paramlen, data, datalen);
377	    return;
378	}
379
380	if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
381	    print_ipc(param, paramlen, data, datalen);
382	    return;
383	}
384
385	if (paramlen)
386	    smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf), unicodestr);
387	if (datalen)
388	    smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf), unicodestr);
389    }
390    return;
391trunc:
392    printf("[|SMB]");
393    return;
394}
395
396
397static void
398print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
399{
400    u_int wct, bcc;
401    const char *f1 = NULL, *f2 = NULL;
402
403    TCHECK(words[0]);
404    wct = words[0];
405    if (request)
406	f2 = "*|Dialect=[Y]\n";
407    else {
408	if (wct == 1)
409	    f1 = "Core Protocol\nDialectIndex=[d]";
410	else if (wct == 17)
411	    f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey=";
412	else if (wct == 13)
413	    f1 = "Coreplus/Lanman1/Lanman2 Protocol\nDialectIndex=[d]\nSecMode=[w]\nMaxXMit=[d]\nMaxMux=[d]\nMaxVcs=[d]\nBlkMode=[w]\nSessionKey=[W]\nServerTime=[T1]TimeZone=[d]\nRes=[W]\nCryptKey=";
414    }
415
416    if (f1)
417	smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
418	    unicodestr);
419    else
420	print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
421
422    TCHECK2(*data, 2);
423    bcc = EXTRACT_LE_16BITS(data);
424    printf("smb_bcc=%u\n", bcc);
425    if (bcc > 0) {
426	if (f2)
427	    smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
428		maxbuf), unicodestr);
429	else
430	    print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
431    }
432    return;
433trunc:
434    printf("[|SMB]");
435    return;
436}
437
438static void
439print_sesssetup(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
440{
441    u_int wct, bcc;
442    const char *f1 = NULL, *f2 = NULL;
443
444    TCHECK(words[0]);
445    wct = words[0];
446    if (request) {
447	if (wct == 10)
448	    f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n";
449	else
450	    f1 = "Com2=[B]\nRes1=[B]\nOff2=[d]\nMaxBuffer=[d]\nMaxMpx=[d]\nVcNumber=[d]\nSessionKey=[W]\nCaseInsensitivePasswordLength=[d]\nCaseSensitivePasswordLength=[d]\nRes=[W]\nCapabilities=[W]\nPass1&Pass2&Account&Domain&OS&LanMan=\n";
451    } else {
452	if (wct == 3) {
453	    f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
454	} else if (wct == 13) {
455	    f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
456	    f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
457	}
458    }
459
460    if (f1)
461	smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
462	    unicodestr);
463    else
464	print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
465
466    TCHECK2(*data, 2);
467    bcc = EXTRACT_LE_16BITS(data);
468    printf("smb_bcc=%u\n", bcc);
469    if (bcc > 0) {
470	if (f2)
471	    smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
472		maxbuf), unicodestr);
473	else
474	    print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
475    }
476    return;
477trunc:
478    printf("[|SMB]");
479    return;
480}
481
482static void
483print_lockingandx(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
484{
485    u_int wct, bcc;
486    const u_char *maxwords;
487    const char *f1 = NULL, *f2 = NULL;
488
489    TCHECK(words[0]);
490    wct = words[0];
491    if (request) {
492	f1 = "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n";
493	TCHECK(words[7]);
494	if (words[7] & 0x10)
495	    f2 = "*Process=[d]\n[P2]Offset=[M]\nLength=[M]\n";
496	else
497	    f2 = "*Process=[d]\nOffset=[D]\nLength=[D]\n";
498    } else {
499	f1 = "Com2=[w]\nOff2=[d]\n";
500    }
501
502    maxwords = SMBMIN(words + 1 + wct * 2, maxbuf);
503    if (wct)
504	smb_fdata(words + 1, f1, maxwords, unicodestr);
505
506    TCHECK2(*data, 2);
507    bcc = EXTRACT_LE_16BITS(data);
508    printf("smb_bcc=%u\n", bcc);
509    if (bcc > 0) {
510	if (f2)
511	    smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
512		maxbuf), unicodestr);
513	else
514	    print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
515    }
516    return;
517trunc:
518    printf("[|SMB]");
519    return;
520}
521
522
523static struct smbfns smb_fns[] = {
524    { -1, "SMBunknown", 0, DEFDESCRIPT },
525
526    { SMBtcon, "SMBtcon", 0,
527	{ NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
528	  "MaxXmit=[d]\nTreeId=[d]\n", NULL,
529	  NULL } },
530
531    { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
532    { SMBexit,  "SMBexit", 0, DEFDESCRIPT },
533    { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },
534
535    { SMBecho, "SMBecho", 0,
536	{ "ReverbCount=[d]\n", NULL,
537	  "SequenceNum=[d]\n", NULL,
538	  NULL } },
539
540    { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },
541
542    { SMBgetatr, "SMBgetatr", 0,
543	{ NULL, "Path=[Z]\n",
544	  "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
545	  NULL } },
546
547    { SMBsetatr, "SMBsetatr", 0,
548	{ "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
549	  NULL, NULL, NULL } },
550
551    { SMBchkpth, "SMBchkpth", 0,
552       { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
553
554    { SMBsearch, "SMBsearch", 0,
555	{ "Count=[d]\nAttrib=[A]\n",
556	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n",
557	  "Count=[d]\n",
558	  "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
559	  NULL } },
560
561    { SMBopen, "SMBopen", 0,
562	{ "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n",
563	  "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",
564	  NULL, NULL } },
565
566    { SMBcreate, "SMBcreate", 0,
567	{ "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
568
569    { SMBmknew, "SMBmknew", 0,
570	{ "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
571
572    { SMBunlink, "SMBunlink", 0,
573	{ "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } },
574
575    { SMBread, "SMBread", 0,
576	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
577	  "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
578
579    { SMBwrite, "SMBwrite", 0,
580	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
581	  "Count=[d]\n", NULL, NULL } },
582
583    { SMBclose, "SMBclose", 0,
584	{ "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } },
585
586    { SMBmkdir, "SMBmkdir", 0,
587	{ NULL, "Path=[Z]\n", NULL, NULL, NULL } },
588
589    { SMBrmdir, "SMBrmdir", 0,
590	{ NULL, "Path=[Z]\n", NULL, NULL, NULL } },
591
592    { SMBdskattr, "SMBdskattr", 0,
593	{ NULL, NULL,
594	  "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
595	  NULL, NULL } },
596
597    { SMBmv, "SMBmv", 0,
598	{ "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },
599
600    /*
601     * this is a Pathworks specific call, allowing the
602     * changing of the root path
603     */
604    { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
605
606    { SMBlseek, "SMBlseek", 0,
607	{ "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } },
608
609    { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
610
611    { SMBsplopen, "SMBsplopen", 0,
612	{ "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n",
613	  NULL, NULL } },
614
615    { SMBsplclose, "SMBsplclose", 0,
616	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
617
618    { SMBsplretq, "SMBsplretq", 0,
619	{ "MaxCount=[d]\nStartIndex=[d]\n", NULL,
620	  "Count=[d]\nIndex=[d]\n",
621	  "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n",
622	  NULL } },
623
624    { SMBsplwr, "SMBsplwr", 0,
625	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
626
627    { SMBlock, "SMBlock", 0,
628	{ "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
629
630    { SMBunlock, "SMBunlock", 0,
631	{ "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
632
633    /* CORE+ PROTOCOL FOLLOWS */
634
635    { SMBreadbraw, "SMBreadbraw", 0,
636	{ "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
637	  NULL, NULL, NULL, NULL } },
638
639    { SMBwritebraw, "SMBwritebraw", 0,
640	{ "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n",
641	  NULL, "WriteRawAck", NULL, NULL } },
642
643    { SMBwritec, "SMBwritec", 0,
644	{ NULL, NULL, "Count=[d]\n", NULL, NULL } },
645
646    { SMBwriteclose, "SMBwriteclose", 0,
647	{ "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
648	  NULL, "Count=[d]\n", NULL, NULL } },
649
650    { SMBlockread, "SMBlockread", 0,
651	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
652	  "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
653
654    { SMBwriteunlock, "SMBwriteunlock", 0,
655	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
656	  "Count=[d]\n", NULL, NULL } },
657
658    { SMBreadBmpx, "SMBreadBmpx", 0,
659	{ "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n",
660	  NULL,
661	  "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n",
662	  NULL, NULL } },
663
664    { SMBwriteBmpx, "SMBwriteBmpx", 0,
665	{ "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL,
666	  "Remaining=[d]\n", NULL, NULL } },
667
668    { SMBwriteBs, "SMBwriteBs", 0,
669	{ "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
670	  NULL, "Count=[d]\n", NULL, NULL } },
671
672    { SMBsetattrE, "SMBsetattrE", 0,
673	{ "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
674	  NULL, NULL, NULL } },
675
676    { SMBgetattrE, "SMBgetattrE", 0,
677	{ "Handle=[d]\n", NULL,
678	  "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
679	  NULL, NULL } },
680
681    { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
682    { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },
683
684    { SMBcopy, "SMBcopy", 0,
685	{ "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
686	  "CopyCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
687
688    { SMBmove, "SMBmove", 0,
689	{ "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
690	  "MoveCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
691
692    { SMBopenX, "SMBopenX", FLG_CHAIN,
693	{ "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n",
694	  "Path=[S]\n",
695	  "Com2=[w]\nOff2=[d]\nHandle=[d]\nAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nFileID=[W]\nRes=[w]\n",
696	  NULL, NULL } },
697
698    { SMBreadX, "SMBreadX", FLG_CHAIN,
699	{ "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n",
700	  NULL,
701	  "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n",
702	  NULL, NULL } },
703
704    { SMBwriteX, "SMBwriteX", FLG_CHAIN,
705	{ "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n",
706	  NULL,
707	  "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
708	  NULL, NULL } },
709
710    { SMBffirst, "SMBffirst", 0,
711	{ "Count=[d]\nAttrib=[A]\n",
712	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
713	  "Count=[d]\n",
714	  "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
715	  NULL } },
716
717    { SMBfunique, "SMBfunique", 0,
718	{ "Count=[d]\nAttrib=[A]\n",
719	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
720	  "Count=[d]\n",
721	  "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
722	  NULL } },
723
724    { SMBfclose, "SMBfclose", 0,
725	{ "Count=[d]\nAttrib=[A]\n",
726	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
727	  "Count=[d]\n",
728	  "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
729	  NULL } },
730
731    { SMBfindnclose, "SMBfindnclose", 0,
732	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
733
734    { SMBfindclose, "SMBfindclose", 0,
735	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
736
737    { SMBsends, "SMBsends", 0,
738	{ NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
739
740    { SMBsendstrt, "SMBsendstrt", 0,
741	{ NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } },
742
743    { SMBsendend, "SMBsendend", 0,
744	{ "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
745
746    { SMBsendtxt, "SMBsendtxt", 0,
747	{ "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
748
749    { SMBsendb, "SMBsendb", 0,
750	{ NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
751
752    { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT },
753    { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT },
754    { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT },
755
756    { SMBnegprot, "SMBnegprot", 0,
757	{ NULL, NULL, NULL, NULL, print_negprot } },
758
759    { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN,
760	{ NULL, NULL, NULL, NULL, print_sesssetup } },
761
762    { SMBtconX, "SMBtconX", FLG_CHAIN,
763	{ "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
764	  NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[R]\n", NULL } },
765
766    { SMBlockingX, "SMBlockingX", FLG_CHAIN,
767	{ NULL, NULL, NULL, NULL, print_lockingandx } },
768
769    { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
770
771    { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
772    { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
773    { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
774    { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },
775
776    { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
777    { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },
778
779    { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
780	{ "Com2=[w]\nOff2=[d]\nRes=[b]\nNameLen=[ld]\nFlags=[W]\nRootDirectoryFid=[D]\nAccessMask=[W]\nAllocationSize=[L]\nExtFileAttributes=[W]\nShareAccess=[W]\nCreateDisposition=[W]\nCreateOptions=[W]\nImpersonationLevel=[W]\nSecurityFlags=[b]\n",
781	  "Path=[C]\n",
782	  "Com2=[w]\nOff2=[d]\nOplockLevel=[b]\nFid=[d]\nCreateAction=[W]\nCreateTime=[T3]LastAccessTime=[T3]LastWriteTime=[T3]ChangeTime=[T3]ExtFileAttributes=[W]\nAllocationSize=[L]\nEndOfFile=[L]\nFileType=[w]\nDeviceState=[w]\nDirectory=[b]\n",
783	  NULL, NULL } },
784
785    { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },
786
787    { -1, NULL, 0, DEFDESCRIPT }
788};
789
790
791/*
792 * print a SMB message
793 */
794static void
795print_smb(const u_char *buf, const u_char *maxbuf)
796{
797    u_int16_t flags2;
798    int nterrcodes;
799    int command;
800    u_int32_t nterror;
801    const u_char *words, *maxwords, *data;
802    struct smbfns *fn;
803    const char *fmt_smbheader =
804        "[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";
805    int smboffset;
806
807    TCHECK(buf[9]);
808    request = (buf[9] & 0x80) ? 0 : 1;
809    flags2 = EXTRACT_LE_16BITS(&buf[10]);
810    unicodestr = flags2 & 0x8000;
811    nterrcodes = flags2 & 0x4000;
812    startbuf = buf;
813
814    command = buf[4];
815
816    fn = smbfind(command, smb_fns);
817
818    if (vflag > 1)
819	printf("\n");
820
821    printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");
822
823    if (vflag < 2)
824	return;
825
826    /* print out the header */
827    smb_fdata(buf, fmt_smbheader, buf + 33, unicodestr);
828
829    if (nterrcodes) {
830    	nterror = EXTRACT_LE_32BITS(&buf[5]);
831	if (nterror)
832	    printf("NTError = %s\n", nt_errstr(nterror));
833    } else {
834	if (buf[5])
835	    printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
836    }
837
838    smboffset = 32;
839
840    for (;;) {
841	const char *f1, *f2;
842	int wct;
843	u_int bcc;
844	int newsmboffset;
845
846	words = buf + smboffset;
847	TCHECK(words[0]);
848	wct = words[0];
849	data = words + 1 + wct * 2;
850	maxwords = SMBMIN(data, maxbuf);
851
852	if (request) {
853	    f1 = fn->descript.req_f1;
854	    f2 = fn->descript.req_f2;
855	} else {
856	    f1 = fn->descript.rep_f1;
857	    f2 = fn->descript.rep_f2;
858	}
859
860	if (fn->descript.fn)
861	    (*fn->descript.fn)(words, data, buf, maxbuf);
862	else {
863	    if (wct) {
864		if (f1)
865		    smb_fdata(words + 1, f1, words + 1 + wct * 2, unicodestr);
866		else {
867		    int i;
868		    int v;
869
870		    for (i = 0; &words[1 + 2 * i] < maxwords; i++) {
871			TCHECK2(words[1 + 2 * i], 2);
872			v = EXTRACT_LE_16BITS(words + 1 + 2 * i);
873			printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v);
874		    }
875		}
876	    }
877
878	    TCHECK2(*data, 2);
879	    bcc = EXTRACT_LE_16BITS(data);
880	    printf("smb_bcc=%u\n", bcc);
881	    if (f2) {
882		if (bcc > 0)
883		    smb_fdata(data + 2, f2, data + 2 + bcc, unicodestr);
884	    } else {
885		if (bcc > 0) {
886		    printf("smb_buf[]=\n");
887		    print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
888		}
889	    }
890	}
891
892	if ((fn->flags & FLG_CHAIN) == 0)
893	    break;
894	if (wct == 0)
895	    break;
896	TCHECK(words[1]);
897	command = words[1];
898	if (command == 0xFF)
899	    break;
900	TCHECK2(words[3], 2);
901	newsmboffset = EXTRACT_LE_16BITS(words + 3);
902
903	fn = smbfind(command, smb_fns);
904
905	printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
906	    fn->name, request ? "REQUEST" : "REPLY");
907	if (newsmboffset <= smboffset) {
908	    printf("Bad andX offset: %u <= %u\n", newsmboffset, smboffset);
909	    break;
910	}
911	smboffset = newsmboffset;
912    }
913
914    printf("\n");
915    return;
916trunc:
917    printf("[|SMB]");
918    return;
919}
920
921
922/*
923 * print a NBT packet received across tcp on port 139
924 */
925void
926nbt_tcp_print(const u_char *data, int length)
927{
928    int caplen;
929    int type;
930    u_int nbt_len;
931    const u_char *maxbuf;
932
933    if (length < 4)
934	goto trunc;
935    if (snapend < data)
936	goto trunc;
937    caplen = snapend - data;
938    if (caplen < 4)
939	goto trunc;
940    maxbuf = data + caplen;
941    type = data[0];
942    nbt_len = EXTRACT_16BITS(data + 2);
943    length -= 4;
944    caplen -= 4;
945
946    startbuf = data;
947
948    if (vflag < 2) {
949	printf(" NBT Session Packet: ");
950	switch (type) {
951	case 0x00:
952	    printf("Session Message");
953	    break;
954
955	case 0x81:
956	    printf("Session Request");
957	    break;
958
959	case 0x82:
960	    printf("Session Granted");
961	    break;
962
963	case 0x83:
964	  {
965	    int ecode;
966
967	    if (nbt_len < 4)
968		goto trunc;
969	    if (length < 4)
970		goto trunc;
971	    if (caplen < 4)
972		goto trunc;
973	    ecode = data[4];
974
975	    printf("Session Reject, ");
976	    switch (ecode) {
977	    case 0x80:
978		printf("Not listening on called name");
979		break;
980	    case 0x81:
981		printf("Not listening for calling name");
982		break;
983	    case 0x82:
984		printf("Called name not present");
985		break;
986	    case 0x83:
987		printf("Called name present, but insufficient resources");
988		break;
989	    default:
990		printf("Unspecified error 0x%X", ecode);
991		break;
992	    }
993	  }
994	    break;
995
996	case 0x85:
997	    printf("Session Keepalive");
998	    break;
999
1000	default:
1001	    data = smb_fdata(data, "Unknown packet type [rB]", maxbuf, 0);
1002	    break;
1003	}
1004    } else {
1005	printf ("\n>>> NBT Session Packet\n");
1006	switch (type) {
1007	case 0x00:
1008	    data = smb_fdata(data, "[P1]NBT Session Message\nFlags=[B]\nLength=[rd]\n",
1009		data + 4, 0);
1010	    if (data == NULL)
1011		break;
1012	    if (nbt_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) {
1013		if ((int)nbt_len > caplen) {
1014		    if ((int)nbt_len > length)
1015			printf("WARNING: Packet is continued in later TCP segments\n");
1016		    else
1017			printf("WARNING: Short packet. Try increasing the snap length by %d\n",
1018			    nbt_len - caplen);
1019		}
1020		print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
1021	    } else
1022		printf("Session packet:(raw data or continuation?)\n");
1023	    break;
1024
1025	case 0x81:
1026	    data = smb_fdata(data,
1027		"[P1]NBT Session Request\nFlags=[B]\nLength=[rd]\nDestination=[n1]\nSource=[n1]\n",
1028		maxbuf, 0);
1029	    break;
1030
1031	case 0x82:
1032	    data = smb_fdata(data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
1033	    break;
1034
1035	case 0x83:
1036	  {
1037	    const u_char *origdata;
1038	    int ecode;
1039
1040	    origdata = data;
1041	    data = smb_fdata(data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[rd]\nReason=[B]\n",
1042		maxbuf, 0);
1043	    if (data == NULL)
1044		break;
1045	    if (nbt_len >= 1 && caplen >= 1) {
1046		ecode = origdata[4];
1047		switch (ecode) {
1048		case 0x80:
1049		    printf("Not listening on called name\n");
1050		    break;
1051		case 0x81:
1052		    printf("Not listening for calling name\n");
1053		    break;
1054		case 0x82:
1055		    printf("Called name not present\n");
1056		    break;
1057		case 0x83:
1058		    printf("Called name present, but insufficient resources\n");
1059		    break;
1060		default:
1061		    printf("Unspecified error 0x%X\n", ecode);
1062		    break;
1063		}
1064	    }
1065	  }
1066	    break;
1067
1068	case 0x85:
1069	    data = smb_fdata(data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
1070	    break;
1071
1072	default:
1073	    data = smb_fdata(data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0);
1074	    break;
1075	}
1076	printf("\n");
1077	fflush(stdout);
1078    }
1079    return;
1080trunc:
1081    printf("[|SMB]");
1082    return;
1083}
1084
1085
1086/*
1087 * print a NBT packet received across udp on port 137
1088 */
1089void
1090nbt_udp137_print(const u_char *data, int length)
1091{
1092    const u_char *maxbuf = data + length;
1093    int name_trn_id, response, opcode, nm_flags, rcode;
1094    int qdcount, ancount, nscount, arcount;
1095    const char *opcodestr;
1096    const u_char *p;
1097    int total, i;
1098
1099    TCHECK2(data[10], 2);
1100    name_trn_id = EXTRACT_16BITS(data);
1101    response = (data[2] >> 7);
1102    opcode = (data[2] >> 3) & 0xF;
1103    nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
1104    rcode = data[3] & 0xF;
1105    qdcount = EXTRACT_16BITS(data + 4);
1106    ancount = EXTRACT_16BITS(data + 6);
1107    nscount = EXTRACT_16BITS(data + 8);
1108    arcount = EXTRACT_16BITS(data + 10);
1109    startbuf = data;
1110
1111    if (maxbuf <= data)
1112	return;
1113
1114    if (vflag > 1)
1115	printf("\n>>> ");
1116
1117    printf("NBT UDP PACKET(137): ");
1118
1119    switch (opcode) {
1120    case 0: opcodestr = "QUERY"; break;
1121    case 5: opcodestr = "REGISTRATION"; break;
1122    case 6: opcodestr = "RELEASE"; break;
1123    case 7: opcodestr = "WACK"; break;
1124    case 8: opcodestr = "REFRESH(8)"; break;
1125    case 9: opcodestr = "REFRESH"; break;
1126    case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
1127    default: opcodestr = "OPUNKNOWN"; break;
1128    }
1129    printf("%s", opcodestr);
1130    if (response) {
1131	if (rcode)
1132	    printf("; NEGATIVE");
1133	else
1134	    printf("; POSITIVE");
1135    }
1136
1137    if (response)
1138	printf("; RESPONSE");
1139    else
1140	printf("; REQUEST");
1141
1142    if (nm_flags & 1)
1143	printf("; BROADCAST");
1144    else
1145	printf("; UNICAST");
1146
1147    if (vflag < 2)
1148	return;
1149
1150    printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
1151	name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
1152	arcount);
1153
1154    p = data + 12;
1155
1156    total = ancount + nscount + arcount;
1157
1158    if (qdcount > 100 || total > 100) {
1159	printf("Corrupt packet??\n");
1160	return;
1161    }
1162
1163    if (qdcount) {
1164	printf("QuestionRecords:\n");
1165	for (i = 0; i < qdcount; i++) {
1166	    p = smb_fdata(p,
1167		"|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
1168		maxbuf, 0);
1169	    if (p == NULL)
1170		goto out;
1171	}
1172    }
1173
1174    if (total) {
1175	printf("\nResourceRecords:\n");
1176	for (i = 0; i < total; i++) {
1177	    int rdlen;
1178	    int restype;
1179
1180	    p = smb_fdata(p, "Name=[n1]\n#", maxbuf, 0);
1181	    if (p == NULL)
1182		goto out;
1183	    restype = EXTRACT_16BITS(p);
1184	    p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0);
1185	    if (p == NULL)
1186		goto out;
1187	    rdlen = EXTRACT_16BITS(p);
1188	    printf("ResourceLength=%d\nResourceData=\n", rdlen);
1189	    p += 2;
1190	    if (rdlen == 6) {
1191		p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen, 0);
1192		if (p == NULL)
1193		    goto out;
1194	    } else {
1195		if (restype == 0x21) {
1196		    int numnames;
1197
1198		    TCHECK(*p);
1199		    numnames = p[0];
1200		    p = smb_fdata(p, "NumNames=[B]\n", p + 1, 0);
1201		    if (p == NULL)
1202			goto out;
1203		    while (numnames--) {
1204			p = smb_fdata(p, "Name=[n2]\t#", maxbuf, 0);
1205			if (p == NULL)
1206			    goto out;
1207			TCHECK(*p);
1208			if (p[0] & 0x80)
1209			    printf("<GROUP> ");
1210			switch (p[0] & 0x60) {
1211			case 0x00: printf("B "); break;
1212			case 0x20: printf("P "); break;
1213			case 0x40: printf("M "); break;
1214			case 0x60: printf("_ "); break;
1215			}
1216			if (p[0] & 0x10)
1217			    printf("<DEREGISTERING> ");
1218			if (p[0] & 0x08)
1219			    printf("<CONFLICT> ");
1220			if (p[0] & 0x04)
1221			    printf("<ACTIVE> ");
1222			if (p[0] & 0x02)
1223			    printf("<PERMANENT> ");
1224			printf("\n");
1225			p += 2;
1226		    }
1227		} else {
1228		    print_data(p, min(rdlen, length - (p - data)));
1229		    p += rdlen;
1230		}
1231	    }
1232	}
1233    }
1234
1235    if (p < maxbuf)
1236	smb_fdata(p, "AdditionalData:\n", maxbuf, 0);
1237
1238out:
1239    printf("\n");
1240    fflush(stdout);
1241    return;
1242trunc:
1243    printf("[|SMB]");
1244    return;
1245}
1246
1247/*
1248 * Print an SMB-over-TCP packet received across tcp on port 445
1249 */
1250void
1251smb_tcp_print (const u_char * data, int length)
1252{
1253    int caplen;
1254    u_int smb_len;
1255    const u_char *maxbuf;
1256
1257    if (length < 4)
1258	goto trunc;
1259    if (snapend < data)
1260	goto trunc;
1261    caplen = snapend - data;
1262    if (caplen < 4)
1263	goto trunc;
1264    maxbuf = data + caplen;
1265    smb_len = EXTRACT_24BITS(data + 1);
1266    length -= 4;
1267    caplen -= 4;
1268
1269    startbuf = data;
1270    data += 4;
1271
1272    if (smb_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) {
1273	if ((int)smb_len > caplen) {
1274	    if ((int)smb_len > length)
1275		printf("WARNING: Packet is continued in later TCP segments\n");
1276	    else
1277		printf("WARNING: Short packet. Try increasing the snap length by %d\n",
1278		    smb_len - caplen);
1279	}
1280	print_smb(data, maxbuf > data + smb_len ? data + smb_len : maxbuf);
1281    } else
1282	printf("SMB-over-TCP packet:(raw data or continuation?)\n");
1283    return;
1284trunc:
1285    printf("[|SMB]");
1286    return;
1287}
1288
1289/*
1290 * print a NBT packet received across udp on port 138
1291 */
1292void
1293nbt_udp138_print(const u_char *data, int length)
1294{
1295    const u_char *maxbuf = data + length;
1296
1297    if (maxbuf > snapend)
1298	maxbuf = snapend;
1299    if (maxbuf <= data)
1300	return;
1301    startbuf = data;
1302
1303    if (vflag < 2) {
1304	printf("NBT UDP PACKET(138)");
1305	return;
1306    }
1307
1308    data = smb_fdata(data,
1309	"\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#",
1310	maxbuf, 0);
1311
1312    if (data != NULL) {
1313	/* If there isn't enough data for "\377SMB", don't check for it. */
1314	if (&data[3] >= maxbuf)
1315	    goto out;
1316
1317	if (memcmp(data, "\377SMB",4) == 0)
1318	    print_smb(data, maxbuf);
1319    }
1320out:
1321    printf("\n");
1322    fflush(stdout);
1323}
1324
1325
1326/*
1327   print netbeui frames
1328*/
1329struct nbf_strings {
1330	const char	*name;
1331	const char	*nonverbose;
1332	const char	*verbose;
1333} nbf_strings[0x20] = {
1334	{ "Add Group Name Query", ", [P23]Name to add=[n2]#",
1335	  "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1336	{ "Add Name Query", ", [P23]Name to add=[n2]#",
1337	  "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1338	{ "Name In Conflict", NULL, NULL },
1339	{ "Status Query", NULL, NULL },
1340	{ NULL, NULL, NULL },	/* not used */
1341	{ NULL, NULL, NULL },	/* not used */
1342	{ NULL, NULL, NULL },	/* not used */
1343	{ "Terminate Trace", NULL, NULL },
1344	{ "Datagram", NULL,
1345	  "[P7]Destination=[n2]\nSource=[n2]\n" },
1346	{ "Broadcast Datagram", NULL,
1347	  "[P7]Destination=[n2]\nSource=[n2]\n" },
1348	{ "Name Query", ", [P7]Name=[n2]#",
1349	  "[P1]SessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nName=[n2]\nName of sender=[n2]\n" },
1350	{ NULL, NULL, NULL },	/* not used */
1351	{ NULL, NULL, NULL },	/* not used */
1352	{ "Add Name Response", ", [P1]GroupName=[w] [P4]Destination=[n2] Source=[n2]#",
1353	  "AddNameInProcess=[B]\nGroupName=[w]\nTransmitCorrelator=[w][P2]\nDestination=[n2]\nSource=[n2]\n" },
1354	{ "Name Recognized", NULL,
1355	  "[P1]Data2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n" },
1356	{ "Status Response", NULL, NULL },
1357	{ NULL, NULL, NULL },	/* not used */
1358	{ NULL, NULL, NULL },	/* not used */
1359	{ NULL, NULL, NULL },	/* not used */
1360	{ "Terminate Trace", NULL, NULL },
1361	{ "Data Ack", NULL,
1362	  "[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1363	{ "Data First/Middle", NULL,
1364	  "Flags=[{RECEIVE_CONTINUE|NO_ACK||PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1365	{ "Data Only/Last", NULL,
1366	  "Flags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1367	{ "Session Confirm", NULL,
1368	  "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1369	{ "Session End", NULL,
1370	  "[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1371	{ "Session Initialize", NULL,
1372	  "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1373	{ "No Receive", NULL,
1374	  "Flags=[{|SEND_NO_ACK}]\nDataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1375	{ "Receive Outstanding", NULL,
1376	  "[P1]DataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1377	{ "Receive Continue", NULL,
1378	  "[P2]TransmitCorrelator=[w]\n[P2]RemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1379	{ NULL, NULL, NULL },	/* not used */
1380	{ NULL, NULL, NULL },	/* not used */
1381	{ "Session Alive", NULL, NULL }
1382};
1383
1384void
1385netbeui_print(u_short control, const u_char *data, int length)
1386{
1387    const u_char *maxbuf = data + length;
1388    int len;
1389    int command;
1390    const u_char *data2;
1391    int is_truncated = 0;
1392
1393    if (maxbuf > snapend)
1394	maxbuf = snapend;
1395    TCHECK(data[4]);
1396    len = EXTRACT_LE_16BITS(data);
1397    command = data[4];
1398    data2 = data + len;
1399    if (data2 >= maxbuf) {
1400	data2 = maxbuf;
1401	is_truncated = 1;
1402    }
1403
1404    startbuf = data;
1405
1406    if (vflag < 2) {
1407	printf("NBF Packet: ");
1408	data = smb_fdata(data, "[P5]#", maxbuf, 0);
1409    } else {
1410	printf("\n>>> NBF Packet\nType=0x%X ", control);
1411	data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf, 0);
1412    }
1413    if (data == NULL)
1414	goto out;
1415
1416    if (command > 0x1f || nbf_strings[command].name == NULL) {
1417	if (vflag < 2)
1418	    data = smb_fdata(data, "Unknown NBF Command#", data2, 0);
1419	else
1420	    data = smb_fdata(data, "Unknown NBF Command\n", data2, 0);
1421    } else {
1422	if (vflag < 2) {
1423	    printf("%s", nbf_strings[command].name);
1424	    if (nbf_strings[command].nonverbose != NULL)
1425		data = smb_fdata(data, nbf_strings[command].nonverbose, data2, 0);
1426	} else {
1427	    printf("%s:\n", nbf_strings[command].name);
1428	    if (nbf_strings[command].verbose != NULL)
1429		data = smb_fdata(data, nbf_strings[command].verbose, data2, 0);
1430	    else
1431		printf("\n");
1432	}
1433    }
1434
1435    if (vflag < 2)
1436	return;
1437
1438    if (data == NULL)
1439	goto out;
1440
1441    if (is_truncated) {
1442	/* data2 was past the end of the buffer */
1443	goto out;
1444    }
1445
1446    /* If this isn't a command that would contain an SMB message, quit. */
1447    if (command != 0x08 && command != 0x09 && command != 0x15 &&
1448        command != 0x16)
1449	goto out;
1450
1451    /* If there isn't enough data for "\377SMB", don't look for it. */
1452    if (&data2[3] >= maxbuf)
1453	goto out;
1454
1455    if (memcmp(data2, "\377SMB",4) == 0)
1456	print_smb(data2, maxbuf);
1457    else {
1458	int i;
1459	for (i = 0; i < 128; i++) {
1460	    if (&data2[i + 3] >= maxbuf)
1461		break;
1462	    if (memcmp(&data2[i], "\377SMB", 4) == 0) {
1463		printf("found SMB packet at %d\n", i);
1464		print_smb(&data2[i], maxbuf);
1465		break;
1466	    }
1467	}
1468    }
1469
1470out:
1471    printf("\n");
1472    return;
1473trunc:
1474    printf("[|SMB]");
1475    return;
1476}
1477
1478
1479/*
1480 * print IPX-Netbios frames
1481 */
1482void
1483ipx_netbios_print(const u_char *data, u_int length)
1484{
1485    /*
1486     * this is a hack till I work out how to parse the rest of the
1487     * NetBIOS-over-IPX stuff
1488     */
1489    int i;
1490    const u_char *maxbuf;
1491
1492    maxbuf = data + length;
1493    /* Don't go past the end of the captured data in the packet. */
1494    if (maxbuf > snapend)
1495	maxbuf = snapend;
1496    startbuf = data;
1497    for (i = 0; i < 128; i++) {
1498	if (&data[i + 4] > maxbuf)
1499	    break;
1500	if (memcmp(&data[i], "\377SMB", 4) == 0) {
1501	    smb_fdata(data, "\n>>> IPX transport ", &data[i], 0);
1502	    print_smb(&data[i], maxbuf);
1503	    printf("\n");
1504	    fflush(stdout);
1505	    break;
1506	}
1507    }
1508    if (i == 128)
1509	smb_fdata(data, "\n>>> Unknown IPX ", maxbuf, 0);
1510}
1511