xref: /freebsd/contrib/tcpdump/print-smb.c (revision f9218d3d4fd34f082473b3a021c6d4d109fb47cf) 
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 1.20.2.4 2002/07/11 07:47:01 guy Exp $";
16 #endif
17 
18 #include <stdio.h>
19 #include <string.h>
20 #include <sys/types.h>
21 
22 #include <netinet/in.h>
23 
24 #include "interface.h"
25 #include "extract.h"
26 #include "smb.h"
27 
28 static int request = 0;
29 
30 const u_char *startbuf = NULL;
31 
32 struct 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 
40 struct 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 
48 struct smbfns
49 {
50     int id;
51     const char *name;
52     int flags;
53     struct smbdescript descript;
54 };
55 
56 struct 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 
68 static struct smbfns *
69 smbfind(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 
80 static struct smbfnsint *
81 smbfindint(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 
92 static void
93 trans2_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=[dP5]\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);
103     if (dcnt) {
104 	printf("data:\n");
105 	print_data(data, dcnt);
106     }
107 }
108 
109 static void
110 trans2_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);
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=[B]\nVolumeLabel=[s12]\n";
127 	    break;
128 	case 0x105:
129 	    fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[D]\nVolume=[S]\n";
130 	    break;
131 	default:
132 	    fmt = "UnknownLevel\n";
133 	    break;
134 	}
135 	smb_fdata(data, fmt, data + dcnt);
136     }
137     if (dcnt) {
138 	printf("data:\n");
139 	print_data(data, dcnt);
140     }
141     return;
142 trunc:
143     printf("[|SMB]");
144     return;
145 }
146 
147 struct 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 
172 static void
173 print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf)
174 {
175     static struct smbfnsint *fn = &trans2_fns[0];
176     const u_char *data, *param;
177     const u_char *w = words + 1;
178     const char *f1 = NULL, *f2 = NULL;
179     int pcnt, dcnt;
180 
181     TCHECK(words[0]);
182     if (request) {
183 	TCHECK2(w[14 * 2], 2);
184 	pcnt = EXTRACT_LE_16BITS(w + 9 * 2);
185 	param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
186 	dcnt = EXTRACT_LE_16BITS(w + 11 * 2);
187 	data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
188 	fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
189     } else {
190 	if (words[0] == 0) {
191 	    printf("%s\n", fn->name);
192 	    printf("Trans2Interim\n");
193 	    return;
194 	}
195 	TCHECK2(w[7 * 2], 2);
196 	pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
197 	param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
198 	dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
199 	data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
200     }
201 
202     printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);
203 
204     if (request) {
205 	if (words[0] == 8) {
206 	    smb_fdata(words + 1,
207 		"Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
208 		maxbuf);
209 	    return;
210 	} else {
211 	    smb_fdata(words + 1,
212 		"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",
213 		words + 1 + 14 * 2);
214 	    smb_fdata(data + 1, "TransactionName=[S]\n%", maxbuf);
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=[d]\n",
221 	    words + 1 + 10 * 2);
222 	f1 = fn->descript.rep_f1;
223 	f2 = fn->descript.rep_f2;
224     }
225 
226     if (fn->descript.fn)
227 	(*fn->descript.fn)(param, data, pcnt, dcnt);
228     else {
229 	smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt);
230 	smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt);
231     }
232     return;
233 trunc:
234     printf("[|SMB]");
235     return;
236 }
237 
238 
239 static void
240 print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
241 {
242     const u_char *maxbuf = data + datalen;
243     int command;
244 
245     TCHECK(data[0]);
246     command = data[0];
247 
248     smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen);
249 
250     switch (command) {
251     case 0xF:
252 	data = smb_fdata(data,
253 	    "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
254 	    maxbuf);
255 	break;
256 
257     case 0x1:
258 	data = smb_fdata(data,
259 	    "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
260 	    maxbuf);
261 	break;
262 
263     case 0x2:
264 	data = smb_fdata(data,
265 	    "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
266 	    maxbuf);
267 	break;
268 
269     case 0xc:
270 	data = smb_fdata(data,
271 	    "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n",
272 	    maxbuf);
273 	break;
274 
275     case 0x8:
276 	data = smb_fdata(data,
277 	    "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
278 	    maxbuf);
279 	break;
280 
281     case 0xb:
282 	data = smb_fdata(data,
283 	    "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
284 	    maxbuf);
285 	break;
286 
287     case 0x9:
288 	data = smb_fdata(data,
289 	    "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken?=[B]\n",
290 	    maxbuf);
291 	break;
292 
293     case 0xa:
294 	data = smb_fdata(data,
295 	    "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken?=[B]*Name=[S]\n",
296 	    maxbuf);
297 	break;
298 
299     case 0xd:
300 	data = smb_fdata(data,
301 	    "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
302 	    maxbuf);
303 	break;
304 
305     case 0xe:
306 	data = smb_fdata(data,
307 	    "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf);
308 	break;
309 
310     default:
311 	data = smb_fdata(data, "Unknown Browser Frame ", maxbuf);
312 	break;
313     }
314     return;
315 trunc:
316     printf("[|SMB]");
317     return;
318 }
319 
320 
321 static void
322 print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
323 {
324     if (paramlen)
325 	smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen);
326     if (datalen)
327 	smb_fdata(data, "IPC ", data + datalen);
328 }
329 
330 
331 static void
332 print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
333 {
334     const char *f1, *f2, *f3, *f4;
335     const u_char *data, *param;
336     const u_char *w = words + 1;
337     int datalen, paramlen;
338 
339     if (request) {
340 	TCHECK2(w[12 * 2], 2);
341 	paramlen = EXTRACT_LE_16BITS(w + 9 * 2);
342 	param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
343 	datalen = EXTRACT_LE_16BITS(w + 11 * 2);
344 	data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
345 	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";
346 	f2 = "|Name=[S]\n";
347 	f3 = "|Param ";
348 	f4 = "|Data ";
349     } else {
350 	TCHECK2(w[7 * 2], 2);
351 	paramlen = EXTRACT_LE_16BITS(w + 3 * 2);
352 	param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
353 	datalen = EXTRACT_LE_16BITS(w + 6 * 2);
354 	data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
355 	f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n";
356 	f2 = "|Unknown ";
357 	f3 = "|Param ";
358 	f4 = "|Data ";
359     }
360 
361     smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf));
362     smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen));
363 
364     if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
365 	print_browse(param, paramlen, data, datalen);
366 	return;
367     }
368 
369     if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
370 	print_ipc(param, paramlen, data, datalen);
371 	return;
372     }
373 
374     if (paramlen)
375 	smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf));
376     if (datalen)
377 	smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf));
378     return;
379 trunc:
380     printf("[|SMB]");
381     return;
382 }
383 
384 
385 static void
386 print_negprot(const u_char *words, const u_char *data, const u_char *buf, const u_char *maxbuf)
387 {
388     const char *f1 = NULL, *f2 = NULL;
389 
390     TCHECK(words[0]);
391     if (request)
392 	f2 = "*|Dialect=[Z]\n";
393     else {
394 	if (words[0] == 1)
395 	    f1 = "Core Protocol\nDialectIndex=[d]";
396 	else if (words[0] == 17)
397 	    f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey=";
398 	else if (words[0] == 13)
399 	    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=";
400     }
401 
402     if (f1)
403 	smb_fdata(words + 1, f1, SMBMIN(words + 1 + words[0] * 2, maxbuf));
404     else
405 	print_data(words + 1, SMBMIN(words[0] * 2,
406 	    PTR_DIFF(maxbuf, words + 1)));
407 
408     TCHECK2(*data, 2);
409     if (f2)
410 	smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf));
411     else
412 	print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
413     return;
414 trunc:
415     printf("[|SMB]");
416     return;
417 }
418 
419 static void
420 print_sesssetup(const u_char *words, const u_char *data, const u_char *buf, const u_char *maxbuf)
421 {
422     int wcnt;
423     const char *f1 = NULL, *f2 = NULL;
424 
425     TCHECK(words[0]);
426     wcnt = words[0];
427     if (request) {
428 	if (wcnt == 10)
429 	    f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n";
430 	else
431 	    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";
432     } else {
433 	if (words[0] == 3) {
434 	    f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
435 	} else if (words[0] == 13) {
436 	    f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
437 	    f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
438 	}
439     }
440 
441     if (f1)
442 	smb_fdata(words + 1, f1, SMBMIN(words + 1 + words[0] * 2, maxbuf));
443     else
444 	print_data(words + 1, SMBMIN(words[0] * 2,
445 	    PTR_DIFF(maxbuf, words + 1)));
446 
447     TCHECK2(*data, 2);
448     if (f2)
449 	smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf));
450     else
451 	print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
452     return;
453 trunc:
454     printf("[|SMB]");
455     return;
456 }
457 
458 
459 static struct smbfns smb_fns[] = {
460     { -1, "SMBunknown", 0, DEFDESCRIPT },
461 
462     { SMBtcon, "SMBtcon", 0,
463 	{ NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
464 	  "MaxXmit=[d]\nTreeId=[d]\n", NULL,
465 	  NULL } },
466 
467     { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
468     { SMBexit,  "SMBexit", 0, DEFDESCRIPT },
469     { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },
470 
471     { SMBecho, "SMBecho", 0,
472 	{ "ReverbCount=[d]\n", NULL,
473 	  "SequenceNum=[d]\n", NULL,
474 	  NULL } },
475 
476     { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },
477 
478     { SMBgetatr, "SMBgetatr", 0,
479 	{ NULL, "Path=[Z]\n",
480 	  "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
481 	  NULL } },
482 
483     { SMBsetatr, "SMBsetatr", 0,
484 	{ "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
485 	  NULL, NULL, NULL } },
486 
487     { SMBchkpth, "SMBchkpth", 0,
488        { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
489 
490     { SMBsearch, "SMBsearch", 0,
491 	{ "Count=[d]\nAttrib=[A]\n",
492 	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n",
493 	  "Count=[d]\n",
494 	  "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",
495 	  NULL } },
496 
497     { SMBopen, "SMBopen", 0,
498 	{ "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n",
499 	  "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",
500 	  NULL, NULL } },
501 
502     { SMBcreate, "SMBcreate", 0,
503 	{ "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
504 
505     { SMBmknew, "SMBmknew", 0,
506 	{ "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
507 
508     { SMBunlink, "SMBunlink", 0,
509 	{ "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } },
510 
511     { SMBread, "SMBread", 0,
512 	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
513 	  "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
514 
515     { SMBwrite, "SMBwrite", 0,
516 	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
517 	  "Count=[d]\n", NULL, NULL } },
518 
519     { SMBclose, "SMBclose", 0,
520 	{ "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } },
521 
522     { SMBmkdir, "SMBmkdir", 0,
523 	{ NULL, "Path=[Z]\n", NULL, NULL, NULL } },
524 
525     { SMBrmdir, "SMBrmdir", 0,
526 	{ NULL, "Path=[Z]\n", NULL, NULL, NULL } },
527 
528     { SMBdskattr, "SMBdskattr", 0,
529 	{ NULL, NULL,
530 	  "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
531 	  NULL, NULL } },
532 
533     { SMBmv, "SMBmv", 0,
534 	{ "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },
535 
536     /*
537      * this is a Pathworks specific call, allowing the
538      * changing of the root path
539      */
540     { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
541 
542     { SMBlseek, "SMBlseek", 0,
543 	{ "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL } },
544 
545     { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
546 
547     { SMBsplopen, "SMBsplopen", 0,
548 	{ "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n",
549 	  NULL, NULL } },
550 
551     { SMBsplclose, "SMBsplclose", 0,
552 	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
553 
554     { SMBsplretq, "SMBsplretq", 0,
555 	{ "MaxCount=[d]\nStartIndex=[d]\n", NULL,
556 	  "Count=[d]\nIndex=[d]\n",
557 	  "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n",
558 	  NULL } },
559 
560     { SMBsplwr, "SMBsplwr", 0,
561 	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
562 
563     { SMBlock, "SMBlock", 0,
564 	{ "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
565 
566     { SMBunlock, "SMBunlock", 0,
567 	{ "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
568 
569     /* CORE+ PROTOCOL FOLLOWS */
570 
571     { SMBreadbraw, "SMBreadbraw", 0,
572 	{ "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
573 	  NULL, NULL, NULL, NULL } },
574 
575     { SMBwritebraw, "SMBwritebraw", 0,
576 	{ "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n",
577 	  NULL, "WriteRawAck", NULL, NULL } },
578 
579     { SMBwritec, "SMBwritec", 0,
580 	{ NULL, NULL, "Count=[d]\n", NULL, NULL } },
581 
582     { SMBwriteclose, "SMBwriteclose", 0,
583 	{ "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
584 	  NULL, "Count=[d]\n", NULL, NULL } },
585 
586     { SMBlockread, "SMBlockread", 0,
587 	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
588 	  "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
589 
590     { SMBwriteunlock, "SMBwriteunlock", 0,
591 	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
592 	  "Count=[d]\n", NULL, NULL } },
593 
594     { SMBreadBmpx, "SMBreadBmpx", 0,
595 	{ "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n",
596 	  NULL,
597 	  "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n",
598 	  NULL, NULL } },
599 
600     { SMBwriteBmpx, "SMBwriteBmpx", 0,
601 	{ "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL,
602 	  "Remaining=[d]\n", NULL, NULL } },
603 
604     { SMBwriteBs, "SMBwriteBs", 0,
605 	{ "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
606 	  NULL, "Count=[d]\n", NULL, NULL } },
607 
608     { SMBsetattrE, "SMBsetattrE", 0,
609 	{ "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
610 	  NULL, NULL, NULL } },
611 
612     { SMBgetattrE, "SMBgetattrE", 0,
613 	{ "Handle=[d]\n", NULL,
614 	  "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
615 	  NULL, NULL } },
616 
617     { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
618     { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },
619 
620     { SMBcopy, "SMBcopy", 0,
621 	{ "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
622 	  "CopyCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
623 
624     { SMBmove, "SMBmove", 0,
625 	{ "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
626 	  "MoveCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
627 
628     { SMBopenX, "SMBopenX", FLG_CHAIN,
629 	{ "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n",
630 	  "Path=[S]\n",
631 	  "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",
632 	  NULL, NULL } },
633 
634     { SMBreadX, "SMBreadX", FLG_CHAIN,
635 	{ "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n",
636 	  NULL,
637 	  "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n",
638 	  NULL, NULL } },
639 
640     { SMBwriteX, "SMBwriteX", FLG_CHAIN,
641 	{ "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n",
642 	  NULL,
643 	  "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
644 	  NULL, NULL } },
645 
646     { SMBlockingX, "SMBlockingX", FLG_CHAIN,
647 	{ "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n",
648 	  "*Process=[d]\nOffset=[D]\nLength=[D]\n",
649 	  "Com2=[w]\nOff2=[d]\n", NULL, NULL } },
650 
651     { SMBffirst, "SMBffirst", 0,
652 	{ "Count=[d]\nAttrib=[A]\n",
653 	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
654 	  "Count=[d]\n",
655 	  "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",
656 	  NULL } },
657 
658     { SMBfunique, "SMBfunique", 0,
659 	{ "Count=[d]\nAttrib=[A]\n",
660 	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
661 	  "Count=[d]\n",
662 	  "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",
663 	  NULL } },
664 
665     { SMBfclose, "SMBfclose", 0,
666 	{ "Count=[d]\nAttrib=[A]\n",
667 	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
668 	  "Count=[d]\n",
669 	  "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",
670 	  NULL } },
671 
672     { SMBfindnclose, "SMBfindnclose", 0,
673 	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
674 
675     { SMBfindclose, "SMBfindclose", 0,
676 	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
677 
678     { SMBsends, "SMBsends", 0,
679 	{ NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
680 
681     { SMBsendstrt, "SMBsendstrt", 0,
682 	{ NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } },
683 
684     { SMBsendend, "SMBsendend", 0,
685 	{ "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
686 
687     { SMBsendtxt, "SMBsendtxt", 0,
688 	{ "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
689 
690     { SMBsendb, "SMBsendb", 0,
691 	{ NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
692 
693     { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT },
694     { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT },
695     { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT },
696 
697     { SMBnegprot, "SMBnegprot", 0,
698 	{ NULL, NULL, NULL, NULL, print_negprot } },
699 
700     { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN,
701 	{ NULL, NULL, NULL, NULL, print_sesssetup } },
702 
703     { SMBtconX, "SMBtconX", FLG_CHAIN,
704 	{ "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
705 	  NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[S]\n", NULL } },
706 
707     { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
708 
709     { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
710     { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
711     { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
712     { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },
713 
714     { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
715     { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },
716 
717     { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
718 	{ "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",
719 	  "Path=[S]\n",
720 	  "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",
721 	  NULL } },
722 
723     { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },
724 
725     { -1, NULL, 0, DEFDESCRIPT }
726 };
727 
728 
729 /*
730  * print a SMB message
731  */
732 static void
733 print_smb(const u_char *buf, const u_char *maxbuf)
734 {
735     int command;
736     const u_char *words, *data;
737     struct smbfns *fn;
738     char *fmt_smbheader =
739         "[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";
740 
741 
742     TCHECK(buf[9]);
743     request = (buf[9] & 0x80) ? 0 : 1;
744 
745     command = buf[4];
746 
747     fn = smbfind(command, smb_fns);
748 
749     if (vflag > 1)
750 	printf("\n");
751 
752     printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");
753 
754     if (vflag < 2)
755 	return;
756 
757     /* print out the header */
758     smb_fdata(buf, fmt_smbheader, buf + 33);
759 
760     if (buf[5])
761 	printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
762 
763     words = buf + 32;
764     TCHECK(words[0]);
765 
766     for (;;) {
767 	const char *f1, *f2;
768 	int wct;
769 	int bcc;
770 
771 	TCHECK(words[0]);
772 	wct = words[0];
773 	data = words + 1 + wct * 2;
774 
775 	if (request) {
776 	    f1 = fn->descript.req_f1;
777 	    f2 = fn->descript.req_f2;
778 	} else {
779 	    f1 = fn->descript.rep_f1;
780 	    f2 = fn->descript.rep_f2;
781 	}
782 
783 	if (fn->descript.fn)
784 	    (*fn->descript.fn)(words, data, buf, maxbuf);
785 	else {
786 	    if (wct) {
787 		printf("smbvwv[]=\n");
788 		if (f1)
789 		    smb_fdata(words + 1, f1, words + 1 + wct * 2);
790 		else {
791 		    int i;
792 		    int v;
793 
794 		    for (i = 0; i < wct; i++) {
795 			TCHECK2(words[1 + 2 * i], 2);
796 			v = EXTRACT_LE_16BITS(words + 1 + 2 * i);
797 			printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v);
798 		    }
799 		}
800 	    }
801 
802 	    TCHECK2(*data, 2);
803 	    bcc = EXTRACT_LE_16BITS(data);
804 	    if (f2) {
805 		if (bcc > 0) {
806 		    printf("smbbuf[]=\n");
807 		    smb_fdata(data + 2, f2, data + 2 + bcc);
808 		}
809 	    } else {
810 		printf("smb_bcc=%d\n", bcc);
811 		if (bcc > 0) {
812 		    printf("smb_buf[]=\n");
813 		    print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
814 		}
815 	    }
816 	}
817 
818 	if ((fn->flags & FLG_CHAIN) == 0)
819 	    break;
820 	if (wct == 0)
821 	    break;
822 	TCHECK(words[1]);
823 	command = EXTRACT_LE_16BITS(words + 1);
824 	if (command == 0xFF)
825 	    break;
826 	TCHECK2(words[3], 2);
827 	words = buf + EXTRACT_LE_16BITS(words + 3);
828 
829 	fn = smbfind(command, smb_fns);
830 
831 	printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
832 	    fn->name, request ? "REQUEST" : "REPLY");
833     }
834 
835     printf("\n");
836     return;
837 trunc:
838     printf("[|SMB]");
839     return;
840 }
841 
842 
843 /*
844  * print a NBT packet received across tcp on port 139
845  */
846 void
847 nbt_tcp_print(const u_char *data, int length)
848 {
849     const u_char *maxbuf = data + length;
850     int flags;
851     int nbt_len;
852 
853     TCHECK2(data[2], 2);
854     flags = data[0];
855     nbt_len = EXTRACT_16BITS(data + 2);
856 
857     startbuf = data;
858     if (maxbuf <= data)
859 	return;
860 
861     if (vflag > 1)
862 	printf ("\n>>>");
863 
864     printf(" NBT Packet");
865 
866     if (vflag < 2)
867 	return;
868 
869     printf("\n");
870 
871     switch (flags) {
872     case 1:
873 	printf("flags=0x%x\n", flags);
874     case 0:
875 	data = smb_fdata(data, "NBT Session Packet\nFlags=[rw]\nLength=[rd]\n",
876 	    data + 4);
877 	if (data == NULL)
878 	    break;
879 	if (memcmp(data,"\377SMB",4) == 0) {
880 	    if (nbt_len > PTR_DIFF(maxbuf, data))
881 	    printf("WARNING: Short packet. Try increasing the snap length (%lu)\n",
882 	       (unsigned long)PTR_DIFF(maxbuf, data));
883 	    print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
884 	} else
885 	    printf("Session packet:(raw data?)\n");
886 	break;
887 
888 	case 0x81:
889 	    data = smb_fdata(data,
890 		"NBT Session Request\nFlags=[rW]\nDestination=[n1]\nSource=[n1]\n",
891 		maxbuf);
892 	    break;
893 
894 	case 0x82:
895 	    data = smb_fdata(data, "NBT Session Granted\nFlags=[rW]\n", maxbuf);
896 	    break;
897 
898 	case 0x83:
899 	  {
900 	    int ecode;
901 
902 	    TCHECK(data[4]);
903 	    ecode = data[4];
904 
905 	    data = smb_fdata(data, "NBT SessionReject\nFlags=[rW]\nReason=[B]\n",
906 		maxbuf);
907 	    switch (ecode) {
908 	    case 0x80:
909 		printf("Not listening on called name\n");
910 		break;
911 	    case 0x81:
912 		printf("Not listening for calling name\n");
913 		break;
914 	    case 0x82:
915 		printf("Called name not present\n");
916 		break;
917 	    case 0x83:
918 		printf("Called name present, but insufficient resources\n");
919 		break;
920 	    default:
921 		printf("Unspecified error 0x%X\n", ecode);
922 		break;
923 	    }
924 	  }
925 	    break;
926 
927 	case 0x85:
928 	    data = smb_fdata(data, "NBT Session Keepalive\nFlags=[rW]\n", maxbuf);
929 	    break;
930 
931 	default:
932 	    printf("flags=0x%x\n", flags);
933 	    data = smb_fdata(data, "NBT - Unknown packet type\nType=[rW]\n", maxbuf);
934     }
935     printf("\n");
936     fflush(stdout);
937     return;
938 trunc:
939     printf("[|SMB]");
940     return;
941 }
942 
943 
944 /*
945  * print a NBT packet received across udp on port 137
946  */
947 void
948 nbt_udp137_print(const u_char *data, int length)
949 {
950     const u_char *maxbuf = data + length;
951     int name_trn_id, response, opcode, nm_flags, rcode;
952     int qdcount, ancount, nscount, arcount;
953     char *opcodestr;
954     const u_char *p;
955     int total, i;
956 
957     TCHECK2(data[10], 2);
958     name_trn_id = EXTRACT_16BITS(data);
959     response = (data[2] >> 7);
960     opcode = (data[2] >> 3) & 0xF;
961     nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
962     rcode = data[3] & 0xF;
963     qdcount = EXTRACT_16BITS(data + 4);
964     ancount = EXTRACT_16BITS(data + 6);
965     nscount = EXTRACT_16BITS(data + 8);
966     arcount = EXTRACT_16BITS(data + 10);
967     startbuf = data;
968 
969     if (maxbuf <= data)
970 	return;
971 
972     if (vflag > 1)
973 	printf("\n>>> ");
974 
975     printf("NBT UDP PACKET(137): ");
976 
977     switch (opcode) {
978     case 0: opcodestr = "QUERY"; break;
979     case 5: opcodestr = "REGISTRATION"; break;
980     case 6: opcodestr = "RELEASE"; break;
981     case 7: opcodestr = "WACK"; break;
982     case 8: opcodestr = "REFRESH(8)"; break;
983     case 9: opcodestr = "REFRESH"; break;
984     case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
985     default: opcodestr = "OPUNKNOWN"; break;
986     }
987     printf("%s", opcodestr);
988     if (response) {
989 	if (rcode)
990 	    printf("; NEGATIVE");
991 	else
992 	    printf("; POSITIVE");
993     }
994 
995     if (response)
996 	printf("; RESPONSE");
997     else
998 	printf("; REQUEST");
999 
1000     if (nm_flags & 1)
1001 	printf("; BROADCAST");
1002     else
1003 	printf("; UNICAST");
1004 
1005     if (vflag < 2)
1006 	return;
1007 
1008     printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
1009 	name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
1010 	arcount);
1011 
1012     p = data + 12;
1013 
1014     total = ancount + nscount + arcount;
1015 
1016     if (qdcount > 100 || total > 100) {
1017 	printf("Corrupt packet??\n");
1018 	return;
1019     }
1020 
1021     if (qdcount) {
1022 	printf("QuestionRecords:\n");
1023 	for (i = 0; i < qdcount; i++)
1024 	    p = smb_fdata(p,
1025 		"|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
1026 		maxbuf);
1027 	if (p == NULL)
1028 	    goto out;
1029     }
1030 
1031     if (total) {
1032 	printf("\nResourceRecords:\n");
1033 	for (i = 0; i < total; i++) {
1034 	    int rdlen;
1035 	    int restype;
1036 
1037 	    p = smb_fdata(p, "Name=[n1]\n#", maxbuf);
1038 	    if (p == NULL)
1039 		goto out;
1040 	    restype = EXTRACT_16BITS(p);
1041 	    p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8);
1042 	    if (p == NULL)
1043 		goto out;
1044 	    rdlen = EXTRACT_16BITS(p);
1045 	    printf("ResourceLength=%d\nResourceData=\n", rdlen);
1046 	    p += 2;
1047 	    if (rdlen == 6) {
1048 		p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen);
1049 		if (p == NULL)
1050 		    goto out;
1051 	    } else {
1052 		if (restype == 0x21) {
1053 		    int numnames;
1054 
1055 		    TCHECK(*p);
1056 		    numnames = p[0];
1057 		    p = smb_fdata(p, "NumNames=[B]\n", p + 1);
1058 		    if (p == NULL)
1059 			goto out;
1060 		    while (numnames--) {
1061 			p = smb_fdata(p, "Name=[n2]\t#", maxbuf);
1062 			TCHECK(*p);
1063 			if (p[0] & 0x80)
1064 			    printf("<GROUP> ");
1065 			switch (p[0] & 0x60) {
1066 			case 0x00: printf("B "); break;
1067 			case 0x20: printf("P "); break;
1068 			case 0x40: printf("M "); break;
1069 			case 0x60: printf("_ "); break;
1070 			}
1071 			if (p[0] & 0x10)
1072 			    printf("<DEREGISTERING> ");
1073 			if (p[0] & 0x08)
1074 			    printf("<CONFLICT> ");
1075 			if (p[0] & 0x04)
1076 			    printf("<ACTIVE> ");
1077 			if (p[0] & 0x02)
1078 			    printf("<PERMANENT> ");
1079 			printf("\n");
1080 			p += 2;
1081 		    }
1082 		} else {
1083 		    print_data(p, min(rdlen, length - (p - data)));
1084 		    p += rdlen;
1085 		}
1086 	    }
1087 	}
1088     }
1089 
1090     if (p < maxbuf)
1091 	smb_fdata(p, "AdditionalData:\n", maxbuf);
1092 
1093 out:
1094     printf("\n");
1095     fflush(stdout);
1096     return;
1097 trunc:
1098     printf("[|SMB]");
1099     return;
1100 }
1101 
1102 
1103 
1104 /*
1105  * print a NBT packet received across udp on port 138
1106  */
1107 void
1108 nbt_udp138_print(const u_char *data, int length)
1109 {
1110     const u_char *maxbuf = data + length;
1111 
1112     if (maxbuf > snapend)
1113 	maxbuf = snapend;
1114     if (maxbuf <= data)
1115 	return;
1116     startbuf = data;
1117 
1118     if (vflag < 2) {
1119 	printf("NBT UDP PACKET(138)");
1120 	return;
1121     }
1122 
1123     data = smb_fdata(data,
1124 	"\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#",
1125 	maxbuf);
1126 
1127     if (data != NULL) {
1128 	/* If there isn't enough data for "\377SMB", don't check for it. */
1129 	if (&data[3] >= maxbuf)
1130 	    goto out;
1131 
1132 	if (memcmp(data, "\377SMB",4) == 0)
1133 	    print_smb(data, maxbuf);
1134     }
1135 out:
1136     printf("\n");
1137     fflush(stdout);
1138 }
1139 
1140 
1141 /*
1142    print netbeui frames
1143 */
1144 void
1145 netbeui_print(u_short control, const u_char *data, int length)
1146 {
1147     const u_char *maxbuf = data + length;
1148     int len;
1149     int command;
1150     const u_char *data2;
1151     int is_truncated = 0;
1152 
1153     if (maxbuf > snapend)
1154 	maxbuf = snapend;
1155     TCHECK(data[4]);
1156     len = EXTRACT_LE_16BITS(data);
1157     command = data[4];
1158     data2 = data + len;
1159     if (data2 >= maxbuf) {
1160 	data2 = maxbuf;
1161 	is_truncated = 1;
1162     }
1163 
1164     startbuf = data;
1165 
1166     if (vflag < 2) {
1167 	printf("NetBeui Packet");
1168 	return;
1169     }
1170 
1171     printf("\n>>> NetBeui Packet\nType=0x%X ", control);
1172     data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf);
1173     if (data == NULL)
1174 	goto out;
1175 
1176     switch (command) {
1177     case 0xA:
1178 	data = smb_fdata(data, "NameQuery:[P1]\nSessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nDestination=[n2]\nSource=[n2]\n", data2);
1179 	break;
1180 
1181     case 0x8:
1182 	data = smb_fdata(data,
1183 	    "NetbiosDataGram:[P7]\nDestination=[n2]\nSource=[n2]\n", data2);
1184 	break;
1185 
1186     case 0xE:
1187 	data = smb_fdata(data,
1188 	    "NameRecognise:\n[P1]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n",
1189 	    data2);
1190 	break;
1191 
1192     case 0x19:
1193 	data = smb_fdata(data,
1194 	    "SessionInitialise:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1195 	    data2);
1196 	break;
1197 
1198     case 0x17:
1199 	data = smb_fdata(data,
1200 	    "SessionConfirm:\nData1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1201 	    data2);
1202 	break;
1203 
1204     case 0x16:
1205 	data = smb_fdata(data,
1206 	    "NetbiosDataOnlyLast:\nFlags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1207 	    data2);
1208 	break;
1209 
1210     case 0x14:
1211 	data = smb_fdata(data,
1212 	    "NetbiosDataAck:\n[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1213 	    data2);
1214 	break;
1215 
1216     case 0x18:
1217 	data = smb_fdata(data,
1218 	    "SessionEnd:\n[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n",
1219 	    data2);
1220 	break;
1221 
1222     case 0x1f:
1223 	data = smb_fdata(data, "SessionAlive\n", data2);
1224 	break;
1225 
1226     default:
1227 	data = smb_fdata(data, "Unknown Netbios Command ", data2);
1228 	break;
1229     }
1230     if (data == NULL)
1231 	goto out;
1232 
1233     if (is_truncated) {
1234 	/* data2 was past the end of the buffer */
1235 	goto out;
1236     }
1237 
1238     /* If there isn't enough data for "\377SMB", don't look for it. */
1239     if (&data2[3] >= maxbuf)
1240 	goto out;
1241 
1242     if (memcmp(data2, "\377SMB",4) == 0)
1243 	print_smb(data2, maxbuf);
1244     else {
1245 	int i;
1246 	for (i = 0; i < 128; i++) {
1247 	    if (&data2[i + 3] >= maxbuf)
1248 		break;
1249 	    if (memcmp(&data2[i], "\377SMB", 4) == 0) {
1250 		printf("found SMB packet at %d\n", i);
1251 		print_smb(&data2[i], maxbuf);
1252 		break;
1253 	    }
1254 	}
1255     }
1256 
1257 out:
1258     printf("\n");
1259     return;
1260 trunc:
1261     printf("[|SMB]");
1262     return;
1263 }
1264 
1265 
1266 /*
1267  * print IPX-Netbios frames
1268  */
1269 void
1270 ipx_netbios_print(const u_char *data, u_int length)
1271 {
1272     /*
1273      * this is a hack till I work out how to parse the rest of the
1274      * NetBIOS-over-IPX stuff
1275      */
1276     int i;
1277     const u_char *maxbuf;
1278 
1279     maxbuf = data + length;
1280     /* Don't go past the end of the captured data in the packet. */
1281     if (maxbuf > snapend)
1282 	maxbuf = snapend;
1283     startbuf = data;
1284     for (i = 0; i < 128; i++) {
1285 	if (&data[i + 4] > maxbuf)
1286 	    break;
1287 	if (memcmp(&data[i], "\377SMB", 4) == 0) {
1288 	    smb_fdata(data, "\n>>> IPX transport ", &data[i]);
1289 	    if (data != NULL)
1290 		print_smb(&data[i], maxbuf);
1291 	    printf("\n");
1292 	    fflush(stdout);
1293 	    break;
1294 	}
1295     }
1296     if (i == 128)
1297 	smb_fdata(data, "\n>>> Unknown IPX ", maxbuf);
1298 }
1299