xref: /freebsd/contrib/tcpdump/print-smb.c (revision 3047fefe49f57a673de8df152c199de12ec2c6d3) 
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
14 static const char rcsid[] =
15      "@(#) $Header: /tcpdump/master/tcpdump/print-smb.c,v 1.20 2002/01/17 04:38:29 guy Exp $";
16 #endif
17 
18 #include <stdio.h>
19 #include <string.h>
20 #include <sys/types.h>
21 
22 #include "interface.h"
23 #include "extract.h"
24 #include "smb.h"
25 
26 static int request = 0;
27 
28 const u_char *startbuf = NULL;
29 
30 struct smbdescript {
31     const char *req_f1;
32     const char *req_f2;
33     const char *rep_f1;
34     const char *rep_f2;
35     void (*fn)(const u_char *, const u_char *, const u_char *, const u_char *);
36 };
37 
38 struct smbdescriptint {
39     const char *req_f1;
40     const char *req_f2;
41     const char *rep_f1;
42     const char *rep_f2;
43     void (*fn)(const u_char *, const u_char *, int, int);
44 };
45 
46 struct smbfns
47 {
48     int id;
49     const char *name;
50     int flags;
51     struct smbdescript descript;
52 };
53 
54 struct smbfnsint
55 {
56     int id;
57     const char *name;
58     int flags;
59     struct smbdescriptint descript;
60 };
61 
62 #define DEFDESCRIPT	{ NULL, NULL, NULL, NULL, NULL }
63 
64 #define FLG_CHAIN	(1 << 0)
65 
66 static struct smbfns *
67 smbfind(int id, struct smbfns *list)
68 {
69     int sindex;
70 
71     for (sindex = 0; list[sindex].name; sindex++)
72 	if (list[sindex].id == id)
73 	    return(&list[sindex]);
74 
75     return(&list[0]);
76 }
77 
78 static struct smbfnsint *
79 smbfindint(int id, struct smbfnsint *list)
80 {
81     int sindex;
82 
83     for (sindex = 0; list[sindex].name; sindex++)
84 	if (list[sindex].id == id)
85 	    return(&list[sindex]);
86 
87     return(&list[0]);
88 }
89 
90 static void
91 trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
92 {
93     const char *fmt;
94 
95     if (request)
96 	fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP5]\nFile=[S]\n";
97     else
98 	fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n";
99 
100     smb_fdata(param, fmt, param + pcnt);
101     if (dcnt) {
102 	printf("data:\n");
103 	print_data(data, dcnt);
104     }
105 }
106 
107 static void
108 trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
109 {
110     static int level = 0;
111     const char *fmt="";
112 
113     if (request) {
114 	TCHECK2(*param, 2);
115 	level = EXTRACT_LE_16BITS(param);
116 	fmt = "InfoLevel=[d]\n";
117 	smb_fdata(param, fmt, param + pcnt);
118     } else {
119 	switch (level) {
120 	case 1:
121 	    fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n";
122 	    break;
123 	case 2:
124 	    fmt = "CreationTime=[T2]VolNameLength=[B]\nVolumeLabel=[s12]\n";
125 	    break;
126 	case 0x105:
127 	    fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[D]\nVolume=[S]\n";
128 	    break;
129 	default:
130 	    fmt = "UnknownLevel\n";
131 	    break;
132 	}
133 	smb_fdata(data, fmt, data + dcnt);
134     }
135     if (dcnt) {
136 	printf("data:\n");
137 	print_data(data, dcnt);
138     }
139     return;
140 trunc:
141     printf("[|SMB]");
142     return;
143 }
144 
145 struct smbfnsint trans2_fns[] = {
146     { 0, "TRANSACT2_OPEN", 0,
147 	{ "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[D]\nRes=([w, w, w, w, w])\nPath=[S]",
148 	  NULL,
149 	  "Handle=[d]\nAttrib=[A]\nTime=[T2]\nSize=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[d]\n|EALength=[d]\n",
150 	  NULL, NULL }},
151     { 1, "TRANSACT2_FINDFIRST", 0,
152 	{ NULL, NULL, NULL, NULL, trans2_findfirst }},
153     { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT },
154     { 3, "TRANSACT2_QFSINFO", 0,
155 	{ NULL, NULL, NULL, NULL, trans2_qfsinfo }},
156     { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT },
157     { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT },
158     { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT },
159     { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT },
160     { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT },
161     { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT },
162     { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT },
163     { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT },
164     { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT },
165     { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT },
166     { -1, NULL, 0, DEFDESCRIPT }
167 };
168 
169 
170 static void
171 print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf)
172 {
173     static struct smbfnsint *fn = &trans2_fns[0];
174     const u_char *data, *param;
175     const u_char *w = words + 1;
176     const u_char *f1 = NULL, *f2 = NULL;
177     int pcnt, dcnt;
178 
179     TCHECK(words[0]);
180     if (request) {
181 	TCHECK2(w[14 * 2], 2);
182 	pcnt = EXTRACT_LE_16BITS(w + 9 * 2);
183 	param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
184 	dcnt = EXTRACT_LE_16BITS(w + 11 * 2);
185 	data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
186 	fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
187     } else {
188 	if (words[0] == 0) {
189 	    printf("%s\n", fn->name);
190 	    printf("Trans2Interim\n");
191 	    return;
192 	}
193 	TCHECK2(w[7 * 2], 2);
194 	pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
195 	param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
196 	dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
197 	data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
198     }
199 
200     printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);
201 
202     if (request) {
203 	if (words[0] == 8) {
204 	    smb_fdata(words + 1,
205 		"Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
206 		maxbuf);
207 	    return;
208 	} else {
209 	    smb_fdata(words + 1,
210 		"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",
211 		words + 1 + 14 * 2);
212 	    smb_fdata(data + 1, "TransactionName=[S]\n%", maxbuf);
213 	}
214 	f1 = fn->descript.req_f1;
215 	f2 = fn->descript.req_f2;
216     } else {
217 	smb_fdata(words + 1,
218 	    "TotParam=[d]\nTotData=[d]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nParamDisp[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nSetupCnt=[d]\n",
219 	    words + 1 + 10 * 2);
220 	f1 = fn->descript.rep_f1;
221 	f2 = fn->descript.rep_f2;
222     }
223 
224     if (fn->descript.fn)
225 	(*fn->descript.fn)(param, data, pcnt, dcnt);
226     else {
227 	smb_fdata(param, f1 ? f1 : (u_char *)"Paramaters=\n", param + pcnt);
228 	smb_fdata(data, f2 ? f2 : (u_char *)"Data=\n", data + dcnt);
229     }
230     return;
231 trunc:
232     printf("[|SMB]");
233     return;
234 }
235 
236 
237 static void
238 print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
239 {
240     const u_char *maxbuf = data + datalen;
241     int command;
242 
243     TCHECK(data[0]);
244     command = data[0];
245 
246     smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen);
247 
248     switch (command) {
249     case 0xF:
250 	data = smb_fdata(data,
251 	    "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
252 	    maxbuf);
253 	break;
254 
255     case 0x1:
256 	data = smb_fdata(data,
257 	    "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
258 	    maxbuf);
259 	break;
260 
261     case 0x2:
262 	data = smb_fdata(data,
263 	    "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
264 	    maxbuf);
265 	break;
266 
267     case 0xc:
268 	data = smb_fdata(data,
269 	    "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n",
270 	    maxbuf);
271 	break;
272 
273     case 0x8:
274 	data = smb_fdata(data,
275 	    "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
276 	    maxbuf);
277 	break;
278 
279     case 0xb:
280 	data = smb_fdata(data,
281 	    "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
282 	    maxbuf);
283 	break;
284 
285     case 0x9:
286 	data = smb_fdata(data,
287 	    "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken?=[B]\n",
288 	    maxbuf);
289 	break;
290 
291     case 0xa:
292 	data = smb_fdata(data,
293 	    "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken?=[B]*Name=[S]\n",
294 	    maxbuf);
295 	break;
296 
297     case 0xd:
298 	data = smb_fdata(data,
299 	    "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
300 	    maxbuf);
301 	break;
302 
303     case 0xe:
304 	data = smb_fdata(data,
305 	    "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf);
306 	break;
307 
308     default:
309 	data = smb_fdata(data, "Unknown Browser Frame ", maxbuf);
310 	break;
311     }
312     return;
313 trunc:
314     printf("[|SMB]");
315     return;
316 }
317 
318 
319 static void
320 print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
321 {
322     if (paramlen)
323 	smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen);
324     if (datalen)
325 	smb_fdata(data, "IPC ", data + datalen);
326 }
327 
328 
329 static void
330 print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
331 {
332     const u_char *f1, *f2, *f3, *f4;
333     const u_char *data, *param;
334     const u_char *w = words + 1;
335     int datalen, paramlen;
336 
337     if (request) {
338 	TCHECK2(w[12 * 2], 2);
339 	paramlen = EXTRACT_LE_16BITS(w + 9 * 2);
340 	param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
341 	datalen = EXTRACT_LE_16BITS(w + 11 * 2);
342 	data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
343 	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";
344 	f2 = "|Name=[S]\n";
345 	f3 = "|Param ";
346 	f4 = "|Data ";
347     } else {
348 	TCHECK2(w[7 * 2], 2);
349 	paramlen = EXTRACT_LE_16BITS(w + 3 * 2);
350 	param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
351 	datalen = EXTRACT_LE_16BITS(w + 6 * 2);
352 	data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
353 	f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n";
354 	f2 = "|Unknown ";
355 	f3 = "|Param ";
356 	f4 = "|Data ";
357     }
358 
359     smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf));
360     smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen));
361 
362     if (!strcmp(data1 + 2, "\\MAILSLOT\\BROWSE")) {
363 	print_browse(param, paramlen, data, datalen);
364 	return;
365     }
366 
367     if (!strcmp(data1 + 2, "\\PIPE\\LANMAN")) {
368 	print_ipc(param, paramlen, data, datalen);
369 	return;
370     }
371 
372     if (paramlen)
373 	smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf));
374     if (datalen)
375 	smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf));
376     return;
377 trunc:
378     printf("[|SMB]");
379     return;
380 }
381 
382 
383 static void
384 print_negprot(const u_char *words, const u_char *data, const u_char *buf, const u_char *maxbuf)
385 {
386     u_char *f1 = NULL, *f2 = NULL;
387 
388     TCHECK(words[0]);
389     if (request)
390 	f2 = "*|Dialect=[Z]\n";
391     else {
392 	if (words[0] == 1)
393 	    f1 = "Core Protocol\nDialectIndex=[d]";
394 	else if (words[0] == 17)
395 	    f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey=";
396 	else if (words[0] == 13)
397 	    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=";
398     }
399 
400     if (f1)
401 	smb_fdata(words + 1, f1, SMBMIN(words + 1 + words[0] * 2, maxbuf));
402     else
403 	print_data(words + 1, SMBMIN(words[0] * 2,
404 	    PTR_DIFF(maxbuf, words + 1)));
405 
406     TCHECK2(*data, 2);
407     if (f2)
408 	smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf));
409     else
410 	print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
411     return;
412 trunc:
413     printf("[|SMB]");
414     return;
415 }
416 
417 static void
418 print_sesssetup(const u_char *words, const u_char *data, const u_char *buf, const u_char *maxbuf)
419 {
420     int wcnt;
421     u_char *f1 = NULL, *f2 = NULL;
422 
423     TCHECK(words[0]);
424     wcnt = words[0];
425     if (request) {
426 	if (wcnt == 10)
427 	    f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n";
428 	else
429 	    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";
430     } else {
431 	if (words[0] == 3) {
432 	    f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
433 	} else if (words[0] == 13) {
434 	    f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
435 	    f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
436 	}
437     }
438 
439     if (f1)
440 	smb_fdata(words + 1, f1, SMBMIN(words + 1 + words[0] * 2, maxbuf));
441     else
442 	print_data(words + 1, SMBMIN(words[0] * 2,
443 	    PTR_DIFF(maxbuf, words + 1)));
444 
445     TCHECK2(*data, 2);
446     if (f2)
447 	smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf));
448     else
449 	print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
450     return;
451 trunc:
452     printf("[|SMB]");
453     return;
454 }
455 
456 
457 static struct smbfns smb_fns[] = {
458     { -1, "SMBunknown", 0, DEFDESCRIPT },
459 
460     { SMBtcon, "SMBtcon", 0,
461 	{ NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
462 	  "MaxXmit=[d]\nTreeId=[d]\n", NULL,
463 	  NULL } },
464 
465     { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
466     { SMBexit,  "SMBexit", 0, DEFDESCRIPT },
467     { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },
468 
469     { SMBecho, "SMBecho", 0,
470 	{ "ReverbCount=[d]\n", NULL,
471 	  "SequenceNum=[d]\n", NULL,
472 	  NULL } },
473 
474     { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },
475 
476     { SMBgetatr, "SMBgetatr", 0,
477 	{ NULL, "Path=[Z]\n",
478 	  "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
479 	  NULL } },
480 
481     { SMBsetatr, "SMBsetatr", 0,
482 	{ "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
483 	  NULL, NULL, NULL } },
484 
485     { SMBchkpth, "SMBchkpth", 0,
486        { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
487 
488     { SMBsearch, "SMBsearch", 0,
489 	{ "Count=[d]\nAttrib=[A]\n",
490 	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n",
491 	  "Count=[d]\n",
492 	  "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",
493 	  NULL } },
494 
495     { SMBopen, "SMBopen", 0,
496 	{ "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n",
497 	  "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",
498 	  NULL, NULL } },
499 
500     { SMBcreate, "SMBcreate", 0,
501 	{ "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
502 
503     { SMBmknew, "SMBmknew", 0,
504 	{ "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
505 
506     { SMBunlink, "SMBunlink", 0,
507 	{ "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } },
508 
509     { SMBread, "SMBread", 0,
510 	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
511 	  "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
512 
513     { SMBwrite, "SMBwrite", 0,
514 	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
515 	  "Count=[d]\n", NULL, NULL } },
516 
517     { SMBclose, "SMBclose", 0,
518 	{ "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } },
519 
520     { SMBmkdir, "SMBmkdir", 0,
521 	{ NULL, "Path=[Z]\n", NULL, NULL, NULL } },
522 
523     { SMBrmdir, "SMBrmdir", 0,
524 	{ NULL, "Path=[Z]\n", NULL, NULL, NULL } },
525 
526     { SMBdskattr, "SMBdskattr", 0,
527 	{ NULL, NULL,
528 	  "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
529 	  NULL, NULL } },
530 
531     { SMBmv, "SMBmv", 0,
532 	{ "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },
533 
534     /*
535      * this is a Pathworks specific call, allowing the
536      * changing of the root path
537      */
538     { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
539 
540     { SMBlseek, "SMBlseek", 0,
541 	{ "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL } },
542 
543     { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
544 
545     { SMBsplopen, "SMBsplopen", 0,
546 	{ "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n",
547 	  NULL, NULL } },
548 
549     { SMBsplclose, "SMBsplclose", 0,
550 	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
551 
552     { SMBsplretq, "SMBsplretq", 0,
553 	{ "MaxCount=[d]\nStartIndex=[d]\n", NULL,
554 	  "Count=[d]\nIndex=[d]\n",
555 	  "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n",
556 	  NULL } },
557 
558     { SMBsplwr, "SMBsplwr", 0,
559 	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
560 
561     { SMBlock, "SMBlock", 0,
562 	{ "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
563 
564     { SMBunlock, "SMBunlock", 0,
565 	{ "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
566 
567     /* CORE+ PROTOCOL FOLLOWS */
568 
569     { SMBreadbraw, "SMBreadbraw", 0,
570 	{ "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
571 	  NULL, NULL, NULL, NULL } },
572 
573     { SMBwritebraw, "SMBwritebraw", 0,
574 	{ "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n",
575 	  NULL, "WriteRawAck", NULL, NULL } },
576 
577     { SMBwritec, "SMBwritec", 0,
578 	{ NULL, NULL, "Count=[d]\n", NULL, NULL } },
579 
580     { SMBwriteclose, "SMBwriteclose", 0,
581 	{ "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
582 	  NULL, "Count=[d]\n", NULL, NULL } },
583 
584     { SMBlockread, "SMBlockread", 0,
585 	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
586 	  "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
587 
588     { SMBwriteunlock, "SMBwriteunlock", 0,
589 	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
590 	  "Count=[d]\n", NULL, NULL } },
591 
592     { SMBreadBmpx, "SMBreadBmpx", 0,
593 	{ "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n",
594 	  NULL,
595 	  "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n",
596 	  NULL, NULL } },
597 
598     { SMBwriteBmpx, "SMBwriteBmpx", 0,
599 	{ "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL,
600 	  "Remaining=[d]\n", NULL, NULL } },
601 
602     { SMBwriteBs, "SMBwriteBs", 0,
603 	{ "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
604 	  NULL, "Count=[d]\n", NULL, NULL } },
605 
606     { SMBsetattrE, "SMBsetattrE", 0,
607 	{ "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
608 	  NULL, NULL, NULL } },
609 
610     { SMBgetattrE, "SMBgetattrE", 0,
611 	{ "Handle=[d]\n", NULL,
612 	  "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
613 	  NULL, NULL } },
614 
615     { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
616     { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },
617 
618     { SMBcopy, "SMBcopy", 0,
619 	{ "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
620 	  "CopyCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
621 
622     { SMBmove, "SMBmove", 0,
623 	{ "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
624 	  "MoveCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
625 
626     { SMBopenX, "SMBopenX", FLG_CHAIN,
627 	{ "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n",
628 	  "Path=[S]\n",
629 	  "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",
630 	  NULL, NULL } },
631 
632     { SMBreadX, "SMBreadX", FLG_CHAIN,
633 	{ "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n",
634 	  NULL,
635 	  "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n",
636 	  NULL, NULL } },
637 
638     { SMBwriteX, "SMBwriteX", FLG_CHAIN,
639 	{ "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n",
640 	  NULL,
641 	  "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
642 	  NULL, NULL } },
643 
644     { SMBlockingX, "SMBlockingX", FLG_CHAIN,
645 	{ "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n",
646 	  "*Process=[d]\nOffset=[D]\nLength=[D]\n",
647 	  "Com2=[w]\nOff2=[d]\n", NULL, NULL } },
648 
649     { SMBffirst, "SMBffirst", 0,
650 	{ "Count=[d]\nAttrib=[A]\n",
651 	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
652 	  "Count=[d]\n",
653 	  "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",
654 	  NULL } },
655 
656     { SMBfunique, "SMBfunique", 0,
657 	{ "Count=[d]\nAttrib=[A]\n",
658 	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
659 	  "Count=[d]\n",
660 	  "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",
661 	  NULL } },
662 
663     { SMBfclose, "SMBfclose", 0,
664 	{ "Count=[d]\nAttrib=[A]\n",
665 	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
666 	  "Count=[d]\n",
667 	  "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",
668 	  NULL } },
669 
670     { SMBfindnclose, "SMBfindnclose", 0,
671 	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
672 
673     { SMBfindclose, "SMBfindclose", 0,
674 	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
675 
676     { SMBsends, "SMBsends", 0,
677 	{ NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
678 
679     { SMBsendstrt, "SMBsendstrt", 0,
680 	{ NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } },
681 
682     { SMBsendend, "SMBsendend", 0,
683 	{ "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
684 
685     { SMBsendtxt, "SMBsendtxt", 0,
686 	{ "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
687 
688     { SMBsendb, "SMBsendb", 0,
689 	{ NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
690 
691     { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT },
692     { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT },
693     { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT },
694 
695     { SMBnegprot, "SMBnegprot", 0,
696 	{ NULL, NULL, NULL, NULL, print_negprot } },
697 
698     { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN,
699 	{ NULL, NULL, NULL, NULL, print_sesssetup } },
700 
701     { SMBtconX, "SMBtconX", FLG_CHAIN,
702 	{ "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
703 	  NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[S]\n", NULL } },
704 
705     { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
706 
707     { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
708     { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
709     { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
710     { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },
711 
712     { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
713     { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },
714 
715     { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
716 	{ "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",
717 	  "Path=[S]\n",
718 	  "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",
719 	  NULL } },
720 
721     { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },
722 
723     { -1, NULL, 0, DEFDESCRIPT }
724 };
725 
726 
727 /*
728  * print a SMB message
729  */
730 static void
731 print_smb(const u_char *buf, const u_char *maxbuf)
732 {
733     int command;
734     const u_char *words, *data;
735     struct smbfns *fn;
736     char *fmt_smbheader =
737         "[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";
738 
739 
740     TCHECK(buf[9]);
741     request = (buf[9] & 0x80) ? 0 : 1;
742 
743     command = buf[4];
744 
745     fn = smbfind(command, smb_fns);
746 
747     if (vflag > 1)
748 	printf("\n");
749 
750     printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");
751 
752     if (vflag < 2)
753 	return;
754 
755     /* print out the header */
756     smb_fdata(buf, fmt_smbheader, buf + 33);
757 
758     if (buf[5])
759 	printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
760 
761     words = buf + 32;
762     TCHECK(words[0]);
763 
764     for (;;) {
765 	const u_char *f1, *f2;
766 	int wct;
767 	int bcc;
768 
769 	TCHECK(words[0]);
770 	wct = words[0];
771 	data = words + 1 + wct * 2;
772 
773 	if (request) {
774 	    f1 = fn->descript.req_f1;
775 	    f2 = fn->descript.req_f2;
776 	} else {
777 	    f1 = fn->descript.rep_f1;
778 	    f2 = fn->descript.rep_f2;
779 	}
780 
781 	if (fn->descript.fn)
782 	    (*fn->descript.fn)(words, data, buf, maxbuf);
783 	else {
784 	    if (wct) {
785 		printf("smbvwv[]=\n");
786 		if (f1)
787 		    smb_fdata(words + 1, f1, words + 1 + wct * 2);
788 		else {
789 		    int i;
790 		    int v;
791 
792 		    for (i = 0; i < wct; i++) {
793 			TCHECK2(words[1 + 2 * i], 2);
794 			v = EXTRACT_LE_16BITS(words + 1 + 2 * i);
795 			printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v);
796 		    }
797 		}
798 	    }
799 
800 	    TCHECK2(*data, 2);
801 	    bcc = EXTRACT_LE_16BITS(data);
802 	    if (f2) {
803 		if (bcc > 0) {
804 		    printf("smbbuf[]=\n");
805 		    smb_fdata(data + 2, f2, data + 2 + bcc);
806 		}
807 	    } else {
808 		printf("smb_bcc=%d\n", bcc);
809 		if (bcc > 0) {
810 		    printf("smb_buf[]=\n");
811 		    print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
812 		}
813 	    }
814 	}
815 
816 	if ((fn->flags & FLG_CHAIN) == 0)
817 	    break;
818 	if (wct == 0)
819 	    break;
820 	TCHECK(words[1]);
821 	command = EXTRACT_LE_16BITS(words + 1);
822 	if (command == 0xFF)
823 	    break;
824 	TCHECK2(words[3], 2);
825 	words = buf + EXTRACT_LE_16BITS(words + 3);
826 
827 	fn = smbfind(command, smb_fns);
828 
829 	printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
830 	    fn->name, request ? "REQUEST" : "REPLY");
831     }
832 
833     printf("\n");
834     return;
835 trunc:
836     printf("[|SMB]");
837     return;
838 }
839 
840 
841 /*
842  * print a NBT packet received across tcp on port 139
843  */
844 void
845 nbt_tcp_print(const u_char *data, int length)
846 {
847     const u_char *maxbuf = data + length;
848     int flags;
849     int nbt_len;
850 
851     TCHECK2(data[2], 2);
852     flags = data[0];
853     nbt_len = EXTRACT_16BITS(data + 2);
854 
855     startbuf = data;
856     if (maxbuf <= data)
857 	return;
858 
859     if (vflag > 1)
860 	printf ("\n>>> ");
861 
862     printf("NBT Packet");
863 
864     if (vflag < 2)
865 	return;
866 
867     printf("\n");
868 
869     switch (flags) {
870     case 1:
871 	printf("flags=0x%x\n", flags);
872     case 0:
873 	data = smb_fdata(data, "NBT Session Packet\nFlags=[rw]\nLength=[rd]\n",
874 	    data + 4);
875 	if (data == NULL)
876 	    break;
877 	if (memcmp(data,"\377SMB",4) == 0) {
878 	    if (nbt_len > PTR_DIFF(maxbuf, data))
879 	    printf("WARNING: Short packet. Try increasing the snap length (%lu)\n",
880 	       (unsigned long)PTR_DIFF(maxbuf, data));
881 	    print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
882 	} else
883 	    printf("Session packet:(raw data?)\n");
884 	break;
885 
886 	case 0x81:
887 	    data = smb_fdata(data,
888 		"NBT Session Request\nFlags=[rW]\nDestination=[n1]\nSource=[n1]\n",
889 		maxbuf);
890 	    break;
891 
892 	case 0x82:
893 	    data = smb_fdata(data, "NBT Session Granted\nFlags=[rW]\n", maxbuf);
894 	    break;
895 
896 	case 0x83:
897 	  {
898 	    int ecode;
899 
900 	    TCHECK(data[4]);
901 	    ecode = data[4];
902 
903 	    data = smb_fdata(data, "NBT SessionReject\nFlags=[rW]\nReason=[B]\n",
904 		maxbuf);
905 	    switch (ecode) {
906 	    case 0x80:
907 		printf("Not listening on called name\n");
908 		break;
909 	    case 0x81:
910 		printf("Not listening for calling name\n");
911 		break;
912 	    case 0x82:
913 		printf("Called name not present\n");
914 		break;
915 	    case 0x83:
916 		printf("Called name present, but insufficient resources\n");
917 		break;
918 	    default:
919 		printf("Unspecified error 0x%X\n", ecode);
920 		break;
921 	    }
922 	  }
923 	    break;
924 
925 	case 0x85:
926 	    data = smb_fdata(data, "NBT Session Keepalive\nFlags=[rW]\n", maxbuf);
927 	    break;
928 
929 	default:
930 	    printf("flags=0x%x\n", flags);
931 	    data = smb_fdata(data, "NBT - Unknown packet type\nType=[rW]\n", maxbuf);
932     }
933     printf("\n");
934     fflush(stdout);
935     return;
936 trunc:
937     printf("[|SMB]");
938     return;
939 }
940 
941 
942 /*
943  * print a NBT packet received across udp on port 137
944  */
945 void
946 nbt_udp137_print(const u_char *data, int length)
947 {
948     const u_char *maxbuf = data + length;
949     int name_trn_id, response, opcode, nm_flags, rcode;
950     int qdcount, ancount, nscount, arcount;
951     char *opcodestr;
952     const char *p;
953     int total, i;
954 
955     TCHECK2(data[10], 2);
956     name_trn_id = EXTRACT_16BITS(data);
957     response = (data[2] >> 7);
958     opcode = (data[2] >> 3) & 0xF;
959     nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
960     rcode = data[3] & 0xF;
961     qdcount = EXTRACT_16BITS(data + 4);
962     ancount = EXTRACT_16BITS(data + 6);
963     nscount = EXTRACT_16BITS(data + 8);
964     arcount = EXTRACT_16BITS(data + 10);
965     startbuf = data;
966 
967     if (maxbuf <= data)
968 	return;
969 
970     if (vflag > 1)
971 	printf("\n>>> ");
972 
973     printf("NBT UDP PACKET(137): ");
974 
975     switch (opcode) {
976     case 0: opcodestr = "QUERY"; break;
977     case 5: opcodestr = "REGISTRATION"; break;
978     case 6: opcodestr = "RELEASE"; break;
979     case 7: opcodestr = "WACK"; break;
980     case 8: opcodestr = "REFRESH(8)"; break;
981     case 9: opcodestr = "REFRESH"; break;
982     case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
983     default: opcodestr = "OPUNKNOWN"; break;
984     }
985     printf("%s", opcodestr);
986     if (response) {
987 	if (rcode)
988 	    printf("; NEGATIVE");
989 	else
990 	    printf("; POSITIVE");
991     }
992 
993     if (response)
994 	printf("; RESPONSE");
995     else
996 	printf("; REQUEST");
997 
998     if (nm_flags & 1)
999 	printf("; BROADCAST");
1000     else
1001 	printf("; UNICAST");
1002 
1003     if (vflag < 2)
1004 	return;
1005 
1006     printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
1007 	name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
1008 	arcount);
1009 
1010     p = data + 12;
1011 
1012     total = ancount + nscount + arcount;
1013 
1014     if (qdcount > 100 || total > 100) {
1015 	printf("Corrupt packet??\n");
1016 	return;
1017     }
1018 
1019     if (qdcount) {
1020 	printf("QuestionRecords:\n");
1021 	for (i = 0; i < qdcount; i++)
1022 	    p = smb_fdata(p,
1023 		"|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
1024 		maxbuf);
1025 	if (p == NULL)
1026 	    goto out;
1027     }
1028 
1029     if (total) {
1030 	printf("\nResourceRecords:\n");
1031 	for (i = 0; i < total; i++) {
1032 	    int rdlen;
1033 	    int restype;
1034 
1035 	    p = smb_fdata(p, "Name=[n1]\n#", maxbuf);
1036 	    if (p == NULL)
1037 		goto out;
1038 	    restype = EXTRACT_16BITS(p);
1039 	    p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8);
1040 	    if (p == NULL)
1041 		goto out;
1042 	    rdlen = EXTRACT_16BITS(p);
1043 	    printf("ResourceLength=%d\nResourceData=\n", rdlen);
1044 	    p += 2;
1045 	    if (rdlen == 6) {
1046 		p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen);
1047 		if (p == NULL)
1048 		    goto out;
1049 	    } else {
1050 		if (restype == 0x21) {
1051 		    int numnames;
1052 
1053 		    TCHECK(*p);
1054 		    numnames = p[0];
1055 		    p = smb_fdata(p, "NumNames=[B]\n", p + 1);
1056 		    if (p == NULL)
1057 			goto out;
1058 		    while (numnames--) {
1059 			p = smb_fdata(p, "Name=[n2]\t#", maxbuf);
1060 			TCHECK(*p);
1061 			if (p[0] & 0x80)
1062 			    printf("<GROUP> ");
1063 			switch (p[0] & 0x60) {
1064 			case 0x00: printf("B "); break;
1065 			case 0x20: printf("P "); break;
1066 			case 0x40: printf("M "); break;
1067 			case 0x60: printf("_ "); break;
1068 			}
1069 			if (p[0] & 0x10)
1070 			    printf("<DEREGISTERING> ");
1071 			if (p[0] & 0x08)
1072 			    printf("<CONFLICT> ");
1073 			if (p[0] & 0x04)
1074 			    printf("<ACTIVE> ");
1075 			if (p[0] & 0x02)
1076 			    printf("<PERMANENT> ");
1077 			printf("\n");
1078 			p += 2;
1079 		    }
1080 		} else {
1081 		    print_data(p, min(rdlen, length - ((const u_char *)p - data)));
1082 		    p += rdlen;
1083 		}
1084 	    }
1085 	}
1086     }
1087 
1088     if ((u_char*)p < maxbuf)
1089 	smb_fdata(p, "AdditionalData:\n", maxbuf);
1090 
1091 out:
1092     printf("\n");
1093     fflush(stdout);
1094     return;
1095 trunc:
1096     printf("[|SMB]");
1097     return;
1098 }
1099 
1100 
1101 
1102 /*
1103  * print a NBT packet received across udp on port 138
1104  */
1105 void
1106 nbt_udp138_print(const u_char *data, int length)
1107 {
1108     const u_char *maxbuf = data + length;
1109 
1110     if (maxbuf > snapend)
1111 	maxbuf = snapend;
1112     if (maxbuf <= data)
1113 	return;
1114     startbuf = data;
1115 
1116     if (vflag < 2) {
1117 	printf("NBT UDP PACKET(138)");
1118 	return;
1119     }
1120 
1121     data = smb_fdata(data,
1122 	"\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#",
1123 	maxbuf);
1124 
1125     if (data != NULL) {
1126 	/* If there isn't enough data for "\377SMB", don't check for it. */
1127 	if (&data[3] >= maxbuf)
1128 	    goto out;
1129 
1130 	if (memcmp(data, "\377SMB",4) == 0)
1131 	    print_smb(data, maxbuf);
1132     }
1133 out:
1134     printf("\n");
1135     fflush(stdout);
1136 }
1137 
1138 
1139 /*
1140    print netbeui frames
1141 */
1142 void
1143 netbeui_print(u_short control, const u_char *data, int length)
1144 {
1145     const u_char *maxbuf = data + length;
1146     int len;
1147     int command;
1148     const u_char *data2;
1149     int is_truncated = 0;
1150 
1151     if (maxbuf > snapend)
1152 	maxbuf = snapend;
1153     TCHECK(data[4]);
1154     len = EXTRACT_LE_16BITS(data);
1155     command = data[4];
1156     data2 = data + len;
1157     if (data2 >= maxbuf) {
1158 	data2 = maxbuf;
1159 	is_truncated = 1;
1160     }
1161 
1162     startbuf = data;
1163 
1164     if (vflag < 2) {
1165 	printf("NetBeui Packet");
1166 	return;
1167     }
1168 
1169     printf("\n>>> NetBeui Packet\nType=0x%X ", control);
1170     data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf);
1171     if (data == NULL)
1172 	goto out;
1173 
1174     switch (command) {
1175     case 0xA:
1176 	data = smb_fdata(data, "NameQuery:[P1]\nSessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nDestination=[n2]\nSource=[n2]\n", data2);
1177 	break;
1178 
1179     case 0x8:
1180 	data = smb_fdata(data,
1181 	    "NetbiosDataGram:[P7]\nDestination=[n2]\nSource=[n2]\n", data2);
1182 	break;
1183 
1184     case 0xE:
1185 	data = smb_fdata(data,
1186 	    "NameRecognise:\n[P1]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n",
1187 	    data2);
1188 	break;
1189 
1190     case 0x19:
1191 	data = smb_fdata(data,
1192 	    "SessionInitialise:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1193 	    data2);
1194 	break;
1195 
1196     case 0x17:
1197 	data = smb_fdata(data,
1198 	    "SessionConfirm:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1199 	    data2);
1200 	break;
1201 
1202     case 0x16:
1203 	data = smb_fdata(data,
1204 	    "NetbiosDataOnlyLast:\nFlags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1205 	    data2);
1206 	break;
1207 
1208     case 0x14:
1209 	data = smb_fdata(data,
1210 	    "NetbiosDataAck:\n[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1211 	    data2);
1212 	break;
1213 
1214     case 0x18:
1215 	data = smb_fdata(data,
1216 	    "SessionEnd:\n[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1217 	    data2);
1218 	break;
1219 
1220     case 0x1f:
1221 	data = smb_fdata(data, "SessionAlive\n", data2);
1222 	break;
1223 
1224     default:
1225 	data = smb_fdata(data, "Unknown Netbios Command ", data2);
1226 	break;
1227     }
1228     if (data == NULL)
1229 	goto out;
1230 
1231     if (is_truncated) {
1232 	/* data2 was past the end of the buffer */
1233 	goto out;
1234     }
1235 
1236     /* If there isn't enough data for "\377SMB", don't look for it. */
1237     if (&data2[3] >= maxbuf)
1238 	goto out;
1239 
1240     if (memcmp(data2, "\377SMB",4) == 0)
1241 	print_smb(data2, maxbuf);
1242     else {
1243 	int i;
1244 	for (i = 0; i < 128; i++) {
1245 	    if (&data2[i + 3] >= maxbuf)
1246 		break;
1247 	    if (memcmp(&data2[i], "\377SMB", 4) == 0) {
1248 		printf("found SMB packet at %d\n", i);
1249 		print_smb(&data2[i], maxbuf);
1250 		break;
1251 	    }
1252 	}
1253     }
1254 
1255 out:
1256     printf("\n");
1257     return;
1258 trunc:
1259     printf("[|SMB]");
1260     return;
1261 }
1262 
1263 
1264 /*
1265  * print IPX-Netbios frames
1266  */
1267 void
1268 ipx_netbios_print(const u_char *data, u_int length)
1269 {
1270     /*
1271      * this is a hack till I work out how to parse the rest of the
1272      * NetBIOS-over-IPX stuff
1273      */
1274     int i;
1275     const u_char *maxbuf;
1276 
1277     maxbuf = data + length;
1278     /* Don't go past the end of the captured data in the packet. */
1279     if (maxbuf > snapend)
1280 	maxbuf = snapend;
1281     startbuf = data;
1282     for (i = 0; i < 128; i++) {
1283 	if (&data[i + 4] > maxbuf)
1284 	    break;
1285 	if (memcmp(&data[i], "\377SMB", 4) == 0) {
1286 	    smb_fdata(data, "\n>>> IPX transport ", &data[i]);
1287 	    if (data != NULL)
1288 		print_smb(&data[i], maxbuf);
1289 	    printf("\n");
1290 	    fflush(stdout);
1291 	    break;
1292 	}
1293     }
1294     if (i == 128)
1295 	smb_fdata(data, "\n>>> Unknown IPX ", maxbuf);
1296 }
1297