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At the prompting, start to add infrastructure to detect the presence of
[Samba/gebeck_regimport.git] / source3 / rpc_parse / parse_rpc.c
blobfafbbb1965ad43a3a1a7b1817a8b409a0d78a8a8
1 /*
2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
4 * Copyright (C) Andrew Tridgell 1992-1997,
5 * Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
6 * Copyright (C) Paul Ashton 1997.
7 * Copyright (C) Jeremy Allison 1999.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23
24 #include "includes.h"
25
26 #undef DBGC_CLASS
27 #define DBGC_CLASS DBGC_RPC_PARSE
28
29 /*******************************************************************
30 interface/version dce/rpc pipe identification
31 ********************************************************************/
32
33 #define TRANS_SYNT_V2 \
34 { \
35 { \
36 0x8a885d04, 0x1ceb, 0x11c9, \
37 { 0x9f, 0xe8, 0x08, 0x00, \
38 0x2b, 0x10, 0x48, 0x60 } \
39 }, 0x02 \
40 }
41
42 #define SYNT_NETLOGON_V2 \
43 { \
44 { \
45 0x8a885d04, 0x1ceb, 0x11c9, \
46 { 0x9f, 0xe8, 0x08, 0x00, \
47 0x2b, 0x10, 0x48, 0x60 } \
48 }, 0x02 \
49 }
50
51 #define SYNT_WKSSVC_V1 \
52 { \
53 { \
54 0x6bffd098, 0xa112, 0x3610, \
55 { 0x98, 0x33, 0x46, 0xc3, \
56 0xf8, 0x7e, 0x34, 0x5a } \
57 }, 0x01 \
58 }
59
60 #define SYNT_SRVSVC_V3 \
61 { \
62 { \
63 0x4b324fc8, 0x1670, 0x01d3, \
64 { 0x12, 0x78, 0x5a, 0x47, \
65 0xbf, 0x6e, 0xe1, 0x88 } \
66 }, 0x03 \
67 }
68
69 #define SYNT_LSARPC_V0 \
70 { \
71 { \
72 0x12345778, 0x1234, 0xabcd, \
73 { 0xef, 0x00, 0x01, 0x23, \
74 0x45, 0x67, 0x89, 0xab } \
75 }, 0x00 \
76 }
77
78 #define SYNT_LSARPC_V0_DS \
79 { \
80 { \
81 0x3919286a, 0xb10c, 0x11d0, \
82 { 0x9b, 0xa8, 0x00, 0xc0, \
83 0x4f, 0xd9, 0x2e, 0xf5 } \
84 }, 0x00 \
85 }
86
87 #define SYNT_SAMR_V1 \
88 { \
89 { \
90 0x12345778, 0x1234, 0xabcd, \
91 { 0xef, 0x00, 0x01, 0x23, \
92 0x45, 0x67, 0x89, 0xac } \
93 }, 0x01 \
94 }
95
96 #define SYNT_NETLOGON_V1 \
97 { \
98 { \
99 0x12345678, 0x1234, 0xabcd, \
100 { 0xef, 0x00, 0x01, 0x23, \
101 0x45, 0x67, 0xcf, 0xfb } \
102 }, 0x01 \
103 }
104
105 #define SYNT_WINREG_V1 \
106 { \
107 { \
108 0x338cd001, 0x2244, 0x31f1, \
109 { 0xaa, 0xaa, 0x90, 0x00, \
110 0x38, 0x00, 0x10, 0x03 } \
111 }, 0x01 \
112 }
113
114 #define SYNT_SPOOLSS_V1 \
115 { \
116 { \
117 0x12345678, 0x1234, 0xabcd, \
118 { 0xef, 0x00, 0x01, 0x23, \
119 0x45, 0x67, 0x89, 0xab } \
120 }, 0x01 \
121 }
122
123 #define SYNT_NONE_V0 \
124 { \
125 { \
126 0x0, 0x0, 0x0, \
127 { 0x00, 0x00, 0x00, 0x00, \
128 0x00, 0x00, 0x00, 0x00 } \
129 }, 0x00 \
130 }
131
132 #define SYNT_NETDFS_V3 \
133 { \
134 { \
135 0x4fc742e0, 0x4a10, 0x11cf, \
136 { 0x82, 0x73, 0x00, 0xaa, \
137 0x00, 0x4a, 0xe6, 0x73 } \
138 }, 0x03 \
139 }
140
141 /*
142 * IMPORTANT!! If you update this structure, make sure to
143 * update the index #defines in smb.h.
144 */
145
146 const struct pipe_id_info pipe_names [] =
147 {
148 /* client pipe , abstract syntax , server pipe , transfer syntax */
149 { PIPE_LSARPC , SYNT_LSARPC_V0 , PIPE_LSASS , TRANS_SYNT_V2 },
150 { PIPE_LSARPC , SYNT_LSARPC_V0_DS , PIPE_LSASS , TRANS_SYNT_V2 },
151 { PIPE_SAMR , SYNT_SAMR_V1 , PIPE_LSASS , TRANS_SYNT_V2 },
152 { PIPE_NETLOGON, SYNT_NETLOGON_V1 , PIPE_LSASS , TRANS_SYNT_V2 },
153 { PIPE_SRVSVC , SYNT_SRVSVC_V3 , PIPE_NTSVCS , TRANS_SYNT_V2 },
154 { PIPE_WKSSVC , SYNT_WKSSVC_V1 , PIPE_NTSVCS , TRANS_SYNT_V2 },
155 { PIPE_WINREG , SYNT_WINREG_V1 , PIPE_WINREG , TRANS_SYNT_V2 },
156 { PIPE_SPOOLSS , SYNT_SPOOLSS_V1 , PIPE_SPOOLSS , TRANS_SYNT_V2 },
157 { PIPE_NETDFS , SYNT_NETDFS_V3 , PIPE_NETDFS , TRANS_SYNT_V2 },
158 { NULL , SYNT_NONE_V0 , NULL , SYNT_NONE_V0 }
159 };
160
161 /*******************************************************************
162 Inits an RPC_HDR structure.
163 ********************************************************************/
164
165 void init_rpc_hdr(RPC_HDR *hdr, enum RPC_PKT_TYPE pkt_type, uint8 flags,
166 uint32 call_id, int data_len, int auth_len)
167 {
168 hdr->major = 5; /* RPC version 5 */
169 hdr->minor = 0; /* minor version 0 */
170 hdr->pkt_type = pkt_type; /* RPC packet type */
171 hdr->flags = flags; /* dce/rpc flags */
172 hdr->pack_type[0] = 0x10; /* little-endian data representation */
173 hdr->pack_type[1] = 0; /* packed data representation */
174 hdr->pack_type[2] = 0; /* packed data representation */
175 hdr->pack_type[3] = 0; /* packed data representation */
176 hdr->frag_len = data_len; /* fragment length, fill in later */
177 hdr->auth_len = auth_len; /* authentication length */
178 hdr->call_id = call_id; /* call identifier - match incoming RPC */
179 }
180
181 /*******************************************************************
182 Reads or writes an RPC_HDR structure.
183 ********************************************************************/
184
185 BOOL smb_io_rpc_hdr(const char *desc, RPC_HDR *rpc, prs_struct *ps, int depth)
186 {
187 if (rpc == NULL)
188 return False;
189
190 prs_debug(ps, depth, desc, "smb_io_rpc_hdr");
191 depth++;
192
193 if(!prs_uint8 ("major ", ps, depth, &rpc->major))
194 return False;
195
196 if(!prs_uint8 ("minor ", ps, depth, &rpc->minor))
197 return False;
198 if(!prs_uint8 ("pkt_type ", ps, depth, &rpc->pkt_type))
199 return False;
200 if(!prs_uint8 ("flags ", ps, depth, &rpc->flags))
201 return False;
202
203 /* We always marshall in little endian format. */
204 if (MARSHALLING(ps))
205 rpc->pack_type[0] = 0x10;
206
207 if(!prs_uint8("pack_type0", ps, depth, &rpc->pack_type[0]))
208 return False;
209 if(!prs_uint8("pack_type1", ps, depth, &rpc->pack_type[1]))
210 return False;
211 if(!prs_uint8("pack_type2", ps, depth, &rpc->pack_type[2]))
212 return False;
213 if(!prs_uint8("pack_type3", ps, depth, &rpc->pack_type[3]))
214 return False;
215
216 /*
217 * If reading and pack_type[0] == 0 then the data is in big-endian
218 * format. Set the flag in the prs_struct to specify reverse-endainness.
219 */
220
221 if (UNMARSHALLING(ps) && rpc->pack_type[0] == 0) {
222 DEBUG(10,("smb_io_rpc_hdr: PDU data format is big-endian. Setting flag.\n"));
223 prs_set_endian_data(ps, RPC_BIG_ENDIAN);
224 }
225
226 if(!prs_uint16("frag_len ", ps, depth, &rpc->frag_len))
227 return False;
228 if(!prs_uint16("auth_len ", ps, depth, &rpc->auth_len))
229 return False;
230 if(!prs_uint32("call_id ", ps, depth, &rpc->call_id))
231 return False;
232 return True;
233 }
234
235 /*******************************************************************
236 Reads or writes an RPC_IFACE structure.
237 ********************************************************************/
238
239 static BOOL smb_io_rpc_iface(const char *desc, RPC_IFACE *ifc, prs_struct *ps, int depth)
240 {
241 if (ifc == NULL)
242 return False;
243
244 prs_debug(ps, depth, desc, "smb_io_rpc_iface");
245 depth++;
246
247 if(!prs_align(ps))
248 return False;
249
250 if(!prs_uint32 ("data ", ps, depth, &ifc->uuid.time_low))
251 return False;
252 if(!prs_uint16 ("data ", ps, depth, &ifc->uuid.time_mid))
253 return False;
254 if(!prs_uint16 ("data ", ps, depth, &ifc->uuid.time_hi_and_version))
255 return False;
256
257 if(!prs_uint8s (False, "data ", ps, depth, ifc->uuid.remaining, sizeof(ifc->uuid.remaining)))
258 return False;
259 if(!prs_uint32 ( "version", ps, depth, &ifc->version))
260 return False;
261
262 return True;
263 }
264
265 /*******************************************************************
266 Inits an RPC_ADDR_STR structure.
267 ********************************************************************/
268
269 static void init_rpc_addr_str(RPC_ADDR_STR *str, const char *name)
270 {
271 str->len = strlen(name) + 1;
272 fstrcpy(str->str, name);
273 }
274
275 /*******************************************************************
276 Reads or writes an RPC_ADDR_STR structure.
277 ********************************************************************/
278
279 static BOOL smb_io_rpc_addr_str(const char *desc, RPC_ADDR_STR *str, prs_struct *ps, int depth)
280 {
281 if (str == NULL)
282 return False;
283
284 prs_debug(ps, depth, desc, "smb_io_rpc_addr_str");
285 depth++;
286 if(!prs_align(ps))
287 return False;
288
289 if(!prs_uint16 ( "len", ps, depth, &str->len))
290 return False;
291 if(!prs_uint8s (True, "str", ps, depth, (uchar*)str->str, MIN(str->len, sizeof(str->str)) ))
292 return False;
293 return True;
294 }
295
296 /*******************************************************************
297 Inits an RPC_HDR_BBA structure.
298 ********************************************************************/
299
300 static void init_rpc_hdr_bba(RPC_HDR_BBA *bba, uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid)
301 {
302 bba->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */
303 bba->max_rsize = max_rsize; /* max receive fragment size (0x1630) */
304 bba->assoc_gid = assoc_gid; /* associated group id (0x0) */
305 }
306
307 /*******************************************************************
308 Reads or writes an RPC_HDR_BBA structure.
309 ********************************************************************/
310
311 static BOOL smb_io_rpc_hdr_bba(const char *desc, RPC_HDR_BBA *rpc, prs_struct *ps, int depth)
312 {
313 if (rpc == NULL)
314 return False;
315
316 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_bba");
317 depth++;
318
319 if(!prs_uint16("max_tsize", ps, depth, &rpc->max_tsize))
320 return False;
321 if(!prs_uint16("max_rsize", ps, depth, &rpc->max_rsize))
322 return False;
323 if(!prs_uint32("assoc_gid", ps, depth, &rpc->assoc_gid))
324 return False;
325 return True;
326 }
327
328 /*******************************************************************
329 Inits an RPC_HDR_RB structure.
330 ********************************************************************/
331
332 void init_rpc_hdr_rb(RPC_HDR_RB *rpc,
333 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
334 uint32 num_elements, uint16 context_id, uint8 num_syntaxes,
335 RPC_IFACE *abstract, RPC_IFACE *transfer)
336 {
337 init_rpc_hdr_bba(&rpc->bba, max_tsize, max_rsize, assoc_gid);
338
339 rpc->num_elements = num_elements ; /* the number of elements (0x1) */
340 rpc->context_id = context_id ; /* presentation context identifier (0x0) */
341 rpc->num_syntaxes = num_syntaxes ; /* the number of syntaxes (has always been 1?)(0x1) */
342
343 /* num and vers. of interface client is using */
344 rpc->abstract = *abstract;
345
346 /* num and vers. of interface to use for replies */
347 rpc->transfer = *transfer;
348 }
349
350 /*******************************************************************
351 Reads or writes an RPC_HDR_RB structure.
352 ********************************************************************/
353
354 BOOL smb_io_rpc_hdr_rb(const char *desc, RPC_HDR_RB *rpc, prs_struct *ps, int depth)
355 {
356 if (rpc == NULL)
357 return False;
358
359 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_rb");
360 depth++;
361
362 if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
363 return False;
364
365 if(!prs_uint32("num_elements", ps, depth, &rpc->num_elements))
366 return False;
367 if(!prs_uint16("context_id ", ps, depth, &rpc->context_id ))
368 return False;
369 if(!prs_uint8 ("num_syntaxes", ps, depth, &rpc->num_syntaxes))
370 return False;
371
372 if(!smb_io_rpc_iface("", &rpc->abstract, ps, depth))
373 return False;
374 if(!smb_io_rpc_iface("", &rpc->transfer, ps, depth))
375 return False;
376
377 return True;
378 }
379
380 /*******************************************************************
381 Inits an RPC_RESULTS structure.
382
383 lkclXXXX only one reason at the moment!
384 ********************************************************************/
385
386 static void init_rpc_results(RPC_RESULTS *res,
387 uint8 num_results, uint16 result, uint16 reason)
388 {
389 res->num_results = num_results; /* the number of results (0x01) */
390 res->result = result ; /* result (0x00 = accept) */
391 res->reason = reason ; /* reason (0x00 = no reason specified) */
392 }
393
394 /*******************************************************************
395 Reads or writes an RPC_RESULTS structure.
396
397 lkclXXXX only one reason at the moment!
398 ********************************************************************/
399
400 static BOOL smb_io_rpc_results(const char *desc, RPC_RESULTS *res, prs_struct *ps, int depth)
401 {
402 if (res == NULL)
403 return False;
404
405 prs_debug(ps, depth, desc, "smb_io_rpc_results");
406 depth++;
407
408 if(!prs_align(ps))
409 return False;
410
411 if(!prs_uint8 ("num_results", ps, depth, &res->num_results))
412 return False;
413
414 if(!prs_align(ps))
415 return False;
416
417 if(!prs_uint16("result ", ps, depth, &res->result))
418 return False;
419 if(!prs_uint16("reason ", ps, depth, &res->reason))
420 return False;
421 return True;
422 }
423
424 /*******************************************************************
425 Init an RPC_HDR_BA structure.
426
427 lkclXXXX only one reason at the moment!
428
429 ********************************************************************/
430
431 void init_rpc_hdr_ba(RPC_HDR_BA *rpc,
432 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
433 const char *pipe_addr,
434 uint8 num_results, uint16 result, uint16 reason,
435 RPC_IFACE *transfer)
436 {
437 init_rpc_hdr_bba (&rpc->bba, max_tsize, max_rsize, assoc_gid);
438 init_rpc_addr_str(&rpc->addr, pipe_addr);
439 init_rpc_results (&rpc->res, num_results, result, reason);
440
441 /* the transfer syntax from the request */
442 memcpy(&rpc->transfer, transfer, sizeof(rpc->transfer));
443 }
444
445 /*******************************************************************
446 Reads or writes an RPC_HDR_BA structure.
447 ********************************************************************/
448
449 BOOL smb_io_rpc_hdr_ba(const char *desc, RPC_HDR_BA *rpc, prs_struct *ps, int depth)
450 {
451 if (rpc == NULL)
452 return False;
453
454 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_ba");
455 depth++;
456
457 if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
458 return False;
459 if(!smb_io_rpc_addr_str("", &rpc->addr, ps, depth))
460 return False;
461 if(!smb_io_rpc_results("", &rpc->res, ps, depth))
462 return False;
463 if(!smb_io_rpc_iface("", &rpc->transfer, ps, depth))
464 return False;
465 return True;
466 }
467
468 /*******************************************************************
469 Init an RPC_HDR_REQ structure.
470 ********************************************************************/
471
472 void init_rpc_hdr_req(RPC_HDR_REQ *hdr, uint32 alloc_hint, uint16 opnum)
473 {
474 hdr->alloc_hint = alloc_hint; /* allocation hint */
475 hdr->context_id = 0; /* presentation context identifier */
476 hdr->opnum = opnum; /* opnum */
477 }
478
479 /*******************************************************************
480 Reads or writes an RPC_HDR_REQ structure.
481 ********************************************************************/
482
483 BOOL smb_io_rpc_hdr_req(const char *desc, RPC_HDR_REQ *rpc, prs_struct *ps, int depth)
484 {
485 if (rpc == NULL)
486 return False;
487
488 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_req");
489 depth++;
490
491 if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
492 return False;
493 if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
494 return False;
495 if(!prs_uint16("opnum ", ps, depth, &rpc->opnum))
496 return False;
497 return True;
498 }
499
500 /*******************************************************************
501 Reads or writes an RPC_HDR_RESP structure.
502 ********************************************************************/
503
504 BOOL smb_io_rpc_hdr_resp(const char *desc, RPC_HDR_RESP *rpc, prs_struct *ps, int depth)
505 {
506 if (rpc == NULL)
507 return False;
508
509 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_resp");
510 depth++;
511
512 if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
513 return False;
514 if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
515 return False;
516 if(!prs_uint8 ("cancel_ct ", ps, depth, &rpc->cancel_count))
517 return False;
518 if(!prs_uint8 ("reserved ", ps, depth, &rpc->reserved))
519 return False;
520 return True;
521 }
522
523 /*******************************************************************
524 Reads or writes an RPC_HDR_FAULT structure.
525 ********************************************************************/
526
527 BOOL smb_io_rpc_hdr_fault(const char *desc, RPC_HDR_FAULT *rpc, prs_struct *ps, int depth)
528 {
529 if (rpc == NULL)
530 return False;
531
532 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_fault");
533 depth++;
534
535 if(!prs_ntstatus("status ", ps, depth, &rpc->status))
536 return False;
537 if(!prs_uint32("reserved", ps, depth, &rpc->reserved))
538 return False;
539
540 return True;
541 }
542
543 /*******************************************************************
544 Init an RPC_HDR_AUTHA structure.
545 ********************************************************************/
546
547 void init_rpc_hdr_autha(RPC_HDR_AUTHA *rai,
548 uint16 max_tsize, uint16 max_rsize,
549 uint8 auth_type, uint8 auth_level,
550 uint8 stub_type_len)
551 {
552 rai->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */
553 rai->max_rsize = max_rsize; /* max receive fragment size (0x1630) */
554
555 rai->auth_type = auth_type; /* nt lm ssp 0x0a */
556 rai->auth_level = auth_level; /* 0x06 */
557 rai->stub_type_len = stub_type_len; /* 0x00 */
558 rai->padding = 0; /* padding 0x00 */
559
560 rai->unknown = 0x0014a0c0; /* non-zero pointer to something */
561 }
562
563 /*******************************************************************
564 Reads or writes an RPC_HDR_AUTHA structure.
565 ********************************************************************/
566
567 BOOL smb_io_rpc_hdr_autha(const char *desc, RPC_HDR_AUTHA *rai, prs_struct *ps, int depth)
568 {
569 if (rai == NULL)
570 return False;
571
572 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_autha");
573 depth++;
574
575 if(!prs_uint16("max_tsize ", ps, depth, &rai->max_tsize))
576 return False;
577 if(!prs_uint16("max_rsize ", ps, depth, &rai->max_rsize))
578 return False;
579
580 if(!prs_uint8 ("auth_type ", ps, depth, &rai->auth_type)) /* 0x0a nt lm ssp */
581 return False;
582 if(!prs_uint8 ("auth_level ", ps, depth, &rai->auth_level)) /* 0x06 */
583 return False;
584 if(!prs_uint8 ("stub_type_len", ps, depth, &rai->stub_type_len))
585 return False;
586 if(!prs_uint8 ("padding ", ps, depth, &rai->padding))
587 return False;
588
589 if(!prs_uint32("unknown ", ps, depth, &rai->unknown)) /* 0x0014a0c0 */
590 return False;
591
592 return True;
593 }
594
595 /*******************************************************************
596 Checks an RPC_HDR_AUTH structure.
597 ********************************************************************/
598
599 BOOL rpc_hdr_auth_chk(RPC_HDR_AUTH *rai)
600 {
601 return (rai->auth_type == NTLMSSP_AUTH_TYPE && rai->auth_level == NTLMSSP_AUTH_LEVEL);
602 }
603
604 /*******************************************************************
605 Inits an RPC_HDR_AUTH structure.
606 ********************************************************************/
607
608 void init_rpc_hdr_auth(RPC_HDR_AUTH *rai,
609 uint8 auth_type, uint8 auth_level,
610 uint8 stub_type_len,
611 uint32 ptr)
612 {
613 rai->auth_type = auth_type; /* nt lm ssp 0x0a */
614 rai->auth_level = auth_level; /* 0x06 */
615 rai->stub_type_len = stub_type_len; /* 0x00 */
616 rai->padding = 0; /* padding 0x00 */
617
618 rai->unknown = ptr; /* non-zero pointer to something */
619 }
620
621 /*******************************************************************
622 Reads or writes an RPC_HDR_AUTH structure.
623 ********************************************************************/
624
625 BOOL smb_io_rpc_hdr_auth(const char *desc, RPC_HDR_AUTH *rai, prs_struct *ps, int depth)
626 {
627 if (rai == NULL)
628 return False;
629
630 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_auth");
631 depth++;
632
633 if(!prs_align(ps))
634 return False;
635
636 if(!prs_uint8 ("auth_type ", ps, depth, &rai->auth_type)) /* 0x0a nt lm ssp */
637 return False;
638 if(!prs_uint8 ("auth_level ", ps, depth, &rai->auth_level)) /* 0x06 */
639 return False;
640 if(!prs_uint8 ("stub_type_len", ps, depth, &rai->stub_type_len))
641 return False;
642 if(!prs_uint8 ("padding ", ps, depth, &rai->padding))
643 return False;
644
645 if(!prs_uint32("unknown ", ps, depth, &rai->unknown)) /* 0x0014a0c0 */
646 return False;
647
648 return True;
649 }
650
651 /*******************************************************************
652 Checks an RPC_AUTH_VERIFIER structure.
653 ********************************************************************/
654
655 BOOL rpc_auth_verifier_chk(RPC_AUTH_VERIFIER *rav,
656 const char *signature, uint32 msg_type)
657 {
658 return (strequal(rav->signature, signature) && rav->msg_type == msg_type);
659 }
660
661 /*******************************************************************
662 Inits an RPC_AUTH_VERIFIER structure.
663 ********************************************************************/
664
665 void init_rpc_auth_verifier(RPC_AUTH_VERIFIER *rav,
666 const char *signature, uint32 msg_type)
667 {
668 fstrcpy(rav->signature, signature); /* "NTLMSSP" */
669 rav->msg_type = msg_type; /* NTLMSSP_MESSAGE_TYPE */
670 }
671
672 /*******************************************************************
673 Reads or writes an RPC_AUTH_VERIFIER structure.
674 ********************************************************************/
675
676 BOOL smb_io_rpc_auth_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
677 {
678 if (rav == NULL)
679 return False;
680
681 prs_debug(ps, depth, desc, "smb_io_rpc_auth_verifier");
682 depth++;
683
684 /* "NTLMSSP" */
685 if(!prs_string("signature", ps, depth, rav->signature, strlen("NTLMSSP"),
686 sizeof(rav->signature)))
687 return False;
688 if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type)) /* NTLMSSP_MESSAGE_TYPE */
689 return False;
690
691 return True;
692 }
693
694 /*******************************************************************
695 Inits an RPC_AUTH_NTLMSSP_NEG structure.
696 ********************************************************************/
697
698 void init_rpc_auth_ntlmssp_neg(RPC_AUTH_NTLMSSP_NEG *neg,
699 uint32 neg_flgs,
700 const char *myname, const char *domain)
701 {
702 int len_myname = strlen(myname);
703 int len_domain = strlen(domain);
704
705 neg->neg_flgs = neg_flgs ; /* 0x00b2b3 */
706
707 init_str_hdr(&neg->hdr_domain, len_domain, len_domain, 0x20 + len_myname);
708 init_str_hdr(&neg->hdr_myname, len_myname, len_myname, 0x20);
709
710 fstrcpy(neg->myname, myname);
711 fstrcpy(neg->domain, domain);
712 }
713
714 /*******************************************************************
715 Reads or writes an RPC_AUTH_NTLMSSP_NEG structure.
716
717 *** lkclXXXX HACK ALERT! ***
718 ********************************************************************/
719
720 BOOL smb_io_rpc_auth_ntlmssp_neg(const char *desc, RPC_AUTH_NTLMSSP_NEG *neg, prs_struct *ps, int depth)
721 {
722 uint32 start_offset = prs_offset(ps);
723 if (neg == NULL)
724 return False;
725
726 prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_neg");
727 depth++;
728
729 if(!prs_uint32("neg_flgs ", ps, depth, &neg->neg_flgs))
730 return False;
731
732 if (ps->io) {
733 uint32 old_offset;
734 uint32 old_neg_flags = neg->neg_flgs;
735
736 /* reading */
737
738 ZERO_STRUCTP(neg);
739
740 neg->neg_flgs = old_neg_flags;
741
742 if(!smb_io_strhdr("hdr_domain", &neg->hdr_domain, ps, depth))
743 return False;
744 if(!smb_io_strhdr("hdr_myname", &neg->hdr_myname, ps, depth))
745 return False;
746
747 old_offset = prs_offset(ps);
748
749 if(!prs_set_offset(ps, neg->hdr_myname.buffer + start_offset - 12))
750 return False;
751
752 if(!prs_uint8s(True, "myname", ps, depth, (uint8*)neg->myname,
753 MIN(neg->hdr_myname.str_str_len, sizeof(neg->myname))))
754 return False;
755
756 old_offset += neg->hdr_myname.str_str_len;
757
758 if(!prs_set_offset(ps, neg->hdr_domain.buffer + start_offset - 12))
759 return False;
760
761 if(!prs_uint8s(True, "domain", ps, depth, (uint8*)neg->domain,
762 MIN(neg->hdr_domain.str_str_len, sizeof(neg->domain ))))
763 return False;
764
765 old_offset += neg->hdr_domain .str_str_len;
766
767 if(!prs_set_offset(ps, old_offset))
768 return False;
769 } else {
770 /* writing */
771 if(!smb_io_strhdr("hdr_domain", &neg->hdr_domain, ps, depth))
772 return False;
773 if(!smb_io_strhdr("hdr_myname", &neg->hdr_myname, ps, depth))
774 return False;
775
776 if(!prs_uint8s(True, "myname", ps, depth, (uint8*)neg->myname,
777 MIN(neg->hdr_myname.str_str_len, sizeof(neg->myname))))
778 return False;
779 if(!prs_uint8s(True, "domain", ps, depth, (uint8*)neg->domain,
780 MIN(neg->hdr_domain.str_str_len, sizeof(neg->domain ))))
781 return False;
782 }
783
784 return True;
785 }
786
787 /*******************************************************************
788 creates an RPC_AUTH_NTLMSSP_CHAL structure.
789 ********************************************************************/
790
791 void init_rpc_auth_ntlmssp_chal(RPC_AUTH_NTLMSSP_CHAL *chl,
792 uint32 neg_flags,
793 uint8 challenge[8])
794 {
795 chl->unknown_1 = 0x0;
796 chl->unknown_2 = 0x00000028;
797 chl->neg_flags = neg_flags; /* 0x0082b1 */
798
799 memcpy(chl->challenge, challenge, sizeof(chl->challenge));
800 memset((char *)chl->reserved , '\0', sizeof(chl->reserved));
801 }
802
803 /*******************************************************************
804 Reads or writes an RPC_AUTH_NTLMSSP_CHAL structure.
805 ********************************************************************/
806
807 BOOL smb_io_rpc_auth_ntlmssp_chal(const char *desc, RPC_AUTH_NTLMSSP_CHAL *chl, prs_struct *ps, int depth)
808 {
809 if (chl == NULL)
810 return False;
811
812 prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_chal");
813 depth++;
814
815 if(!prs_uint32("unknown_1", ps, depth, &chl->unknown_1)) /* 0x0000 0000 */
816 return False;
817 if(!prs_uint32("unknown_2", ps, depth, &chl->unknown_2)) /* 0x0000 b2b3 */
818 return False;
819 if(!prs_uint32("neg_flags", ps, depth, &chl->neg_flags)) /* 0x0000 82b1 */
820 return False;
821
822 if(!prs_uint8s (False, "challenge", ps, depth, chl->challenge, sizeof(chl->challenge)))
823 return False;
824 if(!prs_uint8s (False, "reserved ", ps, depth, chl->reserved , sizeof(chl->reserved )))
825 return False;
826
827 return True;
828 }
829
830 /*******************************************************************
831 Inits an RPC_AUTH_NTLMSSP_RESP structure.
832
833 *** lkclXXXX FUDGE! HAVE TO MANUALLY SPECIFY OFFSET HERE (0x1c bytes) ***
834 *** lkclXXXX the actual offset is at the start of the auth verifier ***
835 ********************************************************************/
836
837 void init_rpc_auth_ntlmssp_resp(RPC_AUTH_NTLMSSP_RESP *rsp,
838 uchar lm_resp[24], uchar nt_resp[24],
839 const char *domain, const char *user, const char *wks,
840 uint32 neg_flags)
841 {
842 uint32 offset;
843 int dom_len = strlen(domain);
844 int wks_len = strlen(wks);
845 int usr_len = strlen(user);
846 int lm_len = (lm_resp != NULL) ? 24 : 0;
847 int nt_len = (nt_resp != NULL) ? 24 : 0;
848
849 DEBUG(5,("make_rpc_auth_ntlmssp_resp\n"));
850
851 #ifdef DEBUG_PASSWORD
852 DEBUG(100,("lm_resp\n"));
853 dump_data(100, (char *)lm_resp, 24);
854 DEBUG(100,("nt_resp\n"));
855 dump_data(100, (char *)nt_resp, 24);
856 #endif
857
858 DEBUG(6,("dom: %s user: %s wks: %s neg_flgs: 0x%x\n",
859 domain, user, wks, neg_flags));
860
861 offset = 0x40;
862
863 if (neg_flags & NTLMSSP_NEGOTIATE_UNICODE) {
864 dom_len *= 2;
865 wks_len *= 2;
866 usr_len *= 2;
867 }
868
869 init_str_hdr(&rsp->hdr_domain, dom_len, dom_len, offset);
870 offset += dom_len;
871
872 init_str_hdr(&rsp->hdr_usr, usr_len, usr_len, offset);
873 offset += usr_len;
874
875 init_str_hdr(&rsp->hdr_wks, wks_len, wks_len, offset);
876 offset += wks_len;
877
878 init_str_hdr(&rsp->hdr_lm_resp, lm_len, lm_len, offset);
879 offset += lm_len;
880
881 init_str_hdr(&rsp->hdr_nt_resp, nt_len, nt_len, offset);
882 offset += nt_len;
883
884 init_str_hdr(&rsp->hdr_sess_key, 0, 0, offset);
885
886 rsp->neg_flags = neg_flags;
887
888 memcpy(rsp->lm_resp, lm_resp, 24);
889 memcpy(rsp->nt_resp, nt_resp, 24);
890
891 if (neg_flags & NTLMSSP_NEGOTIATE_UNICODE) {
892 rpcstr_push(rsp->domain, domain, sizeof(rsp->domain), 0);
893 rpcstr_push(rsp->user, user, sizeof(rsp->user), 0);
894 rpcstr_push(rsp->wks, wks, sizeof(rsp->wks), 0);
895 } else {
896 fstrcpy(rsp->domain, domain);
897 fstrcpy(rsp->user, user);
898 fstrcpy(rsp->wks, wks);
899 }
900
901 rsp->sess_key[0] = 0;
902 }
903
904 /*******************************************************************
905 Reads or writes an RPC_AUTH_NTLMSSP_RESP structure.
906
907 *** lkclXXXX FUDGE! HAVE TO MANUALLY SPECIFY OFFSET HERE (0x1c bytes) ***
908 *** lkclXXXX the actual offset is at the start of the auth verifier ***
909 ********************************************************************/
910
911 BOOL smb_io_rpc_auth_ntlmssp_resp(const char *desc, RPC_AUTH_NTLMSSP_RESP *rsp, prs_struct *ps, int depth)
912 {
913 if (rsp == NULL)
914 return False;
915
916 prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_resp");
917 depth++;
918
919 if (ps->io) {
920 uint32 old_offset;
921
922 /* reading */
923
924 ZERO_STRUCTP(rsp);
925
926 if(!smb_io_strhdr("hdr_lm_resp ", &rsp->hdr_lm_resp, ps, depth))
927 return False;
928 if(!smb_io_strhdr("hdr_nt_resp ", &rsp->hdr_nt_resp, ps, depth))
929 return False;
930 if(!smb_io_strhdr("hdr_domain ", &rsp->hdr_domain, ps, depth))
931 return False;
932 if(!smb_io_strhdr("hdr_user ", &rsp->hdr_usr, ps, depth))
933 return False;
934 if(!smb_io_strhdr("hdr_wks ", &rsp->hdr_wks, ps, depth))
935 return False;
936 if(!smb_io_strhdr("hdr_sess_key", &rsp->hdr_sess_key, ps, depth))
937 return False;
938
939 if(!prs_uint32("neg_flags", ps, depth, &rsp->neg_flags)) /* 0x0000 82b1 */
940 return False;
941
942 old_offset = prs_offset(ps);
943
944 if(!prs_set_offset(ps, rsp->hdr_domain.buffer + 0xc))
945 return False;
946
947 if(!prs_uint8s(True , "domain ", ps, depth, (uint8*)rsp->domain,
948 MIN(rsp->hdr_domain.str_str_len, sizeof(rsp->domain))))
949 return False;
950
951 old_offset += rsp->hdr_domain.str_str_len;
952
953 if(!prs_set_offset(ps, rsp->hdr_usr.buffer + 0xc))
954 return False;
955
956 if(!prs_uint8s(True , "user ", ps, depth, (uint8*)rsp->user,
957 MIN(rsp->hdr_usr.str_str_len, sizeof(rsp->user))))
958 return False;
959
960 old_offset += rsp->hdr_usr.str_str_len;
961
962 if(!prs_set_offset(ps, rsp->hdr_wks.buffer + 0xc))
963 return False;
964
965 if(!prs_uint8s(True, "wks ", ps, depth, (uint8*)rsp->wks,
966 MIN(rsp->hdr_wks.str_str_len, sizeof(rsp->wks))))
967 return False;
968
969 old_offset += rsp->hdr_wks.str_str_len;
970
971 if(!prs_set_offset(ps, rsp->hdr_lm_resp.buffer + 0xc))
972 return False;
973
974 if(!prs_uint8s(False, "lm_resp ", ps, depth, (uint8*)rsp->lm_resp,
975 MIN(rsp->hdr_lm_resp.str_str_len, sizeof(rsp->lm_resp ))))
976 return False;
977
978 old_offset += rsp->hdr_lm_resp.str_str_len;
979
980 if(!prs_set_offset(ps, rsp->hdr_nt_resp.buffer + 0xc))
981 return False;
982
983 if(!prs_uint8s(False, "nt_resp ", ps, depth, (uint8*)rsp->nt_resp,
984 MIN(rsp->hdr_nt_resp.str_str_len, sizeof(rsp->nt_resp ))))
985 return False;
986
987 old_offset += rsp->hdr_nt_resp.str_str_len;
988
989 if (rsp->hdr_sess_key.str_str_len != 0) {
990
991 if(!prs_set_offset(ps, rsp->hdr_sess_key.buffer + 0x10))
992 return False;
993
994 old_offset += rsp->hdr_sess_key.str_str_len;
995
996 if(!prs_uint8s(False, "sess_key", ps, depth, (uint8*)rsp->sess_key,
997 MIN(rsp->hdr_sess_key.str_str_len, sizeof(rsp->sess_key))))
998 return False;
999 }
1000
1001 if(!prs_set_offset(ps, old_offset))
1002 return False;
1003 } else {
1004 /* writing */
1005 if(!smb_io_strhdr("hdr_lm_resp ", &rsp->hdr_lm_resp, ps, depth))
1006 return False;
1007 if(!smb_io_strhdr("hdr_nt_resp ", &rsp->hdr_nt_resp, ps, depth))
1008 return False;
1009 if(!smb_io_strhdr("hdr_domain ", &rsp->hdr_domain, ps, depth))
1010 return False;
1011 if(!smb_io_strhdr("hdr_user ", &rsp->hdr_usr, ps, depth))
1012 return False;
1013 if(!smb_io_strhdr("hdr_wks ", &rsp->hdr_wks, ps, depth))
1014 return False;
1015 if(!smb_io_strhdr("hdr_sess_key", &rsp->hdr_sess_key, ps, depth))
1016 return False;
1017
1018 if(!prs_uint32("neg_flags", ps, depth, &rsp->neg_flags)) /* 0x0000 82b1 */
1019 return False;
1020
1021 if(!prs_uint8s(True , "domain ", ps, depth, (uint8*)rsp->domain,
1022 MIN(rsp->hdr_domain.str_str_len, sizeof(rsp->domain))))
1023 return False;
1024
1025 if(!prs_uint8s(True , "user ", ps, depth, (uint8*)rsp->user,
1026 MIN(rsp->hdr_usr.str_str_len, sizeof(rsp->user))))
1027 return False;
1028
1029 if(!prs_uint8s(True , "wks ", ps, depth, (uint8*)rsp->wks,
1030 MIN(rsp->hdr_wks.str_str_len, sizeof(rsp->wks))))
1031 return False;
1032 if(!prs_uint8s(False, "lm_resp ", ps, depth, (uint8*)rsp->lm_resp,
1033 MIN(rsp->hdr_lm_resp .str_str_len, sizeof(rsp->lm_resp))))
1034 return False;
1035 if(!prs_uint8s(False, "nt_resp ", ps, depth, (uint8*)rsp->nt_resp,
1036 MIN(rsp->hdr_nt_resp .str_str_len, sizeof(rsp->nt_resp ))))
1037 return False;
1038 if(!prs_uint8s(False, "sess_key", ps, depth, (uint8*)rsp->sess_key,
1039 MIN(rsp->hdr_sess_key.str_str_len, sizeof(rsp->sess_key))))
1040 return False;
1041 }
1042
1043 return True;
1044 }
1045
1046 /*******************************************************************
1047 Checks an RPC_AUTH_NTLMSSP_CHK structure.
1048 ********************************************************************/
1049
1050 BOOL rpc_auth_ntlmssp_chk(RPC_AUTH_NTLMSSP_CHK *chk, uint32 crc32, uint32 seq_num)
1051 {
1052 if (chk == NULL)
1053 return False;
1054
1055 if (chk->crc32 != crc32 ||
1056 chk->ver != NTLMSSP_SIGN_VERSION ||
1057 chk->seq_num != seq_num)
1058 {
1059 DEBUG(5,("verify failed - crc %x ver %x seq %d\n",
1060 crc32, NTLMSSP_SIGN_VERSION, seq_num));
1061 DEBUG(5,("verify expect - crc %x ver %x seq %d\n",
1062 chk->crc32, chk->ver, chk->seq_num));
1063 return False;
1064 }
1065 return True;
1066 }
1067
1068 /*******************************************************************
1069 Inits an RPC_AUTH_NTLMSSP_CHK structure.
1070 ********************************************************************/
1071
1072 void init_rpc_auth_ntlmssp_chk(RPC_AUTH_NTLMSSP_CHK *chk,
1073 uint32 ver, uint32 crc32, uint32 seq_num)
1074 {
1075 chk->ver = ver;
1076 chk->reserved = 0x0;
1077 chk->crc32 = crc32;
1078 chk->seq_num = seq_num;
1079 }
1080
1081 /*******************************************************************
1082 Reads or writes an RPC_AUTH_NTLMSSP_CHK structure.
1083 ********************************************************************/
1084
1085 BOOL smb_io_rpc_auth_ntlmssp_chk(const char *desc, RPC_AUTH_NTLMSSP_CHK *chk, prs_struct *ps, int depth)
1086 {
1087 if (chk == NULL)
1088 return False;
1089
1090 prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_chk");
1091 depth++;
1092
1093 if(!prs_align(ps))
1094 return False;
1095
1096 if(!prs_uint32("ver ", ps, depth, &chk->ver))
1097 return False;
1098 if(!prs_uint32("reserved", ps, depth, &chk->reserved))
1099 return False;
1100 if(!prs_uint32("crc32 ", ps, depth, &chk->crc32))
1101 return False;
1102 if(!prs_uint32("seq_num ", ps, depth, &chk->seq_num))
1103 return False;
1104
1105 return True;
1106 }
reg import