source: branches/samba-3.2.x/source/rpc_parse/parse_rpc.c

Last change on this file was 136, checked in by Paul Smedley, 17 years ago

Update trunk to 3.2.0rc1
File size: 27.1 KB
Line 
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 3 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, see <http://www.gnu.org/licenses/>.
21 */
22
23#include "includes.h"
24
25#undef DBGC_CLASS
26#define DBGC_CLASS DBGC_RPC_PARSE
27
28/*******************************************************************
29interface/version dce/rpc pipe identification
30********************************************************************/
31
32#define TRANS_SYNT_V2 \
33{ \
34 { \
35 0x8a885d04, 0x1ceb, 0x11c9, \
36 { 0x9f, 0xe8 }, \
37 { 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 }, \
47 { 0x08, 0x00, \
48 0x2b, 0x10, 0x48, 0x60 } \
49 }, 0x02 \
50}
51
52#define SYNT_WKSSVC_V1 \
53{ \
54 { \
55 0x6bffd098, 0xa112, 0x3610, \
56 { 0x98, 0x33 }, \
57 { 0x46, 0xc3, \
58 0xf8, 0x7e, 0x34, 0x5a } \
59 }, 0x01 \
60}
61
62#define SYNT_SRVSVC_V3 \
63{ \
64 { \
65 0x4b324fc8, 0x1670, 0x01d3, \
66 { 0x12, 0x78 }, \
67 { 0x5a, 0x47, \
68 0xbf, 0x6e, 0xe1, 0x88 } \
69 }, 0x03 \
70}
71
72#define SYNT_LSARPC_V0 \
73{ \
74 { \
75 0x12345778, 0x1234, 0xabcd, \
76 { 0xef, 0x00 }, \
77 { 0x01, 0x23, \
78 0x45, 0x67, 0x89, 0xab } \
79 }, 0x00 \
80}
81
82#define SYNT_LSARPC_V0_DS \
83{ \
84 { \
85 0x3919286a, 0xb10c, 0x11d0, \
86 { 0x9b, 0xa8 }, \
87 { 0x00, 0xc0, \
88 0x4f, 0xd9, 0x2e, 0xf5 } \
89 }, 0x00 \
90}
91
92#define SYNT_SAMR_V1 \
93{ \
94 { \
95 0x12345778, 0x1234, 0xabcd, \
96 { 0xef, 0x00 }, \
97 { 0x01, 0x23, \
98 0x45, 0x67, 0x89, 0xac } \
99 }, 0x01 \
100}
101
102#define SYNT_NETLOGON_V1 \
103{ \
104 { \
105 0x12345678, 0x1234, 0xabcd, \
106 { 0xef, 0x00 }, \
107 { 0x01, 0x23, \
108 0x45, 0x67, 0xcf, 0xfb } \
109 }, 0x01 \
110}
111
112#define SYNT_WINREG_V1 \
113{ \
114 { \
115 0x338cd001, 0x2244, 0x31f1, \
116 { 0xaa, 0xaa }, \
117 { 0x90, 0x00, \
118 0x38, 0x00, 0x10, 0x03 } \
119 }, 0x01 \
120}
121
122#define SYNT_SPOOLSS_V1 \
123{ \
124 { \
125 0x12345678, 0x1234, 0xabcd, \
126 { 0xef, 0x00 }, \
127 { 0x01, 0x23, \
128 0x45, 0x67, 0x89, 0xab } \
129 }, 0x01 \
130}
131
132#define SYNT_NONE_V0 \
133{ \
134 { \
135 0x0, 0x0, 0x0, \
136 { 0x00, 0x00 }, \
137 { 0x00, 0x00, \
138 0x00, 0x00, 0x00, 0x00 } \
139 }, 0x00 \
140}
141
142#define SYNT_NETDFS_V3 \
143{ \
144 { \
145 0x4fc742e0, 0x4a10, 0x11cf, \
146 { 0x82, 0x73 }, \
147 { 0x00, 0xaa, \
148 0x00, 0x4a, 0xe6, 0x73 } \
149 }, 0x03 \
150}
151
152#define SYNT_ECHO_V1 \
153{ \
154 { \
155 0x60a15ec5, 0x4de8, 0x11d7, \
156 { 0xa6, 0x37 }, \
157 { 0x00, 0x50, \
158 0x56, 0xa2, 0x01, 0x82 } \
159 }, 0x01 \
160}
161
162#define SYNT_SHUTDOWN_V1 \
163{ \
164 { \
165 0x894de0c0, 0x0d55, 0x11d3, \
166 { 0xa3, 0x22 }, \
167 { 0x00, 0xc0, \
168 0x4f, 0xa3, 0x21, 0xa1 } \
169 }, 0x01 \
170}
171
172#define SYNT_SVCCTL_V2 \
173{ \
174 { \
175 0x367abb81, 0x9844, 0x35f1, \
176 { 0xad, 0x32 }, \
177 { 0x98, 0xf0, \
178 0x38, 0x00, 0x10, 0x03 } \
179 }, 0x02 \
180}
181
182
183#define SYNT_EVENTLOG_V0 \
184{ \
185 { \
186 0x82273fdc, 0xe32a, 0x18c3, \
187 { 0x3f, 0x78 }, \
188 { 0x82, 0x79, \
189 0x29, 0xdc, 0x23, 0xea } \
190 }, 0x00 \
191}
192
193#define SYNT_NTSVCS_V1 \
194{ \
195 { \
196 0x8d9f4e40, 0xa03d, 0x11ce, \
197 { 0x8f, 0x69}, \
198 { 0x08, 0x00, \
199 0x3e, 0x30, 0x05, 0x1b } \
200 }, 0x01 \
201}
202
203/*
204 * IMPORTANT!! If you update this structure, make sure to
205 * update the index #defines in smb.h.
206 */
207
208const struct pipe_id_info pipe_names [] =
209{
210 /* client pipe , abstract syntax , server pipe , transfer syntax */
211 { PIPE_LSARPC , SYNT_LSARPC_V0 , PIPE_LSASS , TRANS_SYNT_V2 },
212 { PIPE_LSARPC , SYNT_LSARPC_V0_DS , PIPE_LSASS , TRANS_SYNT_V2 },
213 { PIPE_SAMR , SYNT_SAMR_V1 , PIPE_LSASS , TRANS_SYNT_V2 },
214 { PIPE_NETLOGON, SYNT_NETLOGON_V1 , PIPE_LSASS , TRANS_SYNT_V2 },
215 { PIPE_SRVSVC , SYNT_SRVSVC_V3 , PIPE_NTSVCS , TRANS_SYNT_V2 },
216 { PIPE_WKSSVC , SYNT_WKSSVC_V1 , PIPE_NTSVCS , TRANS_SYNT_V2 },
217 { PIPE_WINREG , SYNT_WINREG_V1 , PIPE_WINREG , TRANS_SYNT_V2 },
218 { PIPE_SPOOLSS , SYNT_SPOOLSS_V1 , PIPE_SPOOLSS , TRANS_SYNT_V2 },
219 { PIPE_NETDFS , SYNT_NETDFS_V3 , PIPE_NETDFS , TRANS_SYNT_V2 },
220 { PIPE_ECHO , SYNT_ECHO_V1 , PIPE_ECHO , TRANS_SYNT_V2 },
221 { PIPE_SHUTDOWN, SYNT_SHUTDOWN_V1 , PIPE_SHUTDOWN , TRANS_SYNT_V2 },
222 { PIPE_SVCCTL , SYNT_SVCCTL_V2 , PIPE_NTSVCS , TRANS_SYNT_V2 },
223 { PIPE_EVENTLOG, SYNT_EVENTLOG_V0 , PIPE_EVENTLOG , TRANS_SYNT_V2 },
224 { PIPE_NTSVCS , SYNT_NTSVCS_V1 , PIPE_NTSVCS , TRANS_SYNT_V2 },
225 { NULL , SYNT_NONE_V0 , NULL , SYNT_NONE_V0 }
226};
227
228/****************************************************************************
229 Return the pipe name from the index.
230 ****************************************************************************/
231
232const char *cli_get_pipe_name(int pipe_idx)
233{
234 return &pipe_names[pipe_idx].client_pipe[5];
235}
236
237/*******************************************************************
238 Inits an RPC_HDR structure.
239********************************************************************/
240
241void init_rpc_hdr(RPC_HDR *hdr, enum RPC_PKT_TYPE pkt_type, uint8 flags,
242 uint32 call_id, int data_len, int auth_len)
243{
244 hdr->major = 5; /* RPC version 5 */
245 hdr->minor = 0; /* minor version 0 */
246 hdr->pkt_type = pkt_type; /* RPC packet type */
247 hdr->flags = flags; /* dce/rpc flags */
248 hdr->pack_type[0] = 0x10; /* little-endian data representation */
249 hdr->pack_type[1] = 0; /* packed data representation */
250 hdr->pack_type[2] = 0; /* packed data representation */
251 hdr->pack_type[3] = 0; /* packed data representation */
252 hdr->frag_len = data_len; /* fragment length, fill in later */
253 hdr->auth_len = auth_len; /* authentication length */
254 hdr->call_id = call_id; /* call identifier - match incoming RPC */
255}
256
257/*******************************************************************
258 Reads or writes an RPC_HDR structure.
259********************************************************************/
260
261bool smb_io_rpc_hdr(const char *desc, RPC_HDR *rpc, prs_struct *ps, int depth)
262{
263 if (rpc == NULL)
264 return False;
265
266 prs_debug(ps, depth, desc, "smb_io_rpc_hdr");
267 depth++;
268
269 if(!prs_uint8 ("major ", ps, depth, &rpc->major))
270 return False;
271
272 if(!prs_uint8 ("minor ", ps, depth, &rpc->minor))
273 return False;
274 if(!prs_uint8 ("pkt_type ", ps, depth, &rpc->pkt_type))
275 return False;
276 if(!prs_uint8 ("flags ", ps, depth, &rpc->flags))
277 return False;
278
279 /* We always marshall in little endian format. */
280 if (MARSHALLING(ps))
281 rpc->pack_type[0] = 0x10;
282
283 if(!prs_uint8("pack_type0", ps, depth, &rpc->pack_type[0]))
284 return False;
285 if(!prs_uint8("pack_type1", ps, depth, &rpc->pack_type[1]))
286 return False;
287 if(!prs_uint8("pack_type2", ps, depth, &rpc->pack_type[2]))
288 return False;
289 if(!prs_uint8("pack_type3", ps, depth, &rpc->pack_type[3]))
290 return False;
291
292 /*
293 * If reading and pack_type[0] == 0 then the data is in big-endian
294 * format. Set the flag in the prs_struct to specify reverse-endainness.
295 */
296
297 if (UNMARSHALLING(ps) && rpc->pack_type[0] == 0) {
298 DEBUG(10,("smb_io_rpc_hdr: PDU data format is big-endian. Setting flag.\n"));
299 prs_set_endian_data(ps, RPC_BIG_ENDIAN);
300 }
301
302 if(!prs_uint16("frag_len ", ps, depth, &rpc->frag_len))
303 return False;
304 if(!prs_uint16("auth_len ", ps, depth, &rpc->auth_len))
305 return False;
306 if(!prs_uint32("call_id ", ps, depth, &rpc->call_id))
307 return False;
308 return True;
309}
310
311/*******************************************************************
312 Reads or writes an RPC_IFACE structure.
313********************************************************************/
314
315static bool smb_io_rpc_iface(const char *desc, RPC_IFACE *ifc, prs_struct *ps, int depth)
316{
317 if (ifc == NULL)
318 return False;
319
320 prs_debug(ps, depth, desc, "smb_io_rpc_iface");
321 depth++;
322
323 if (!prs_align(ps))
324 return False;
325
326 if (!smb_io_uuid( "uuid", &ifc->uuid, ps, depth))
327 return False;
328
329 if(!prs_uint32 ("version", ps, depth, &ifc->version))
330 return False;
331
332 return True;
333}
334
335/*******************************************************************
336 Inits an RPC_ADDR_STR structure.
337********************************************************************/
338
339static void init_rpc_addr_str(RPC_ADDR_STR *str, const char *name)
340{
341 str->len = strlen(name) + 1;
342 fstrcpy(str->str, name);
343}
344
345/*******************************************************************
346 Reads or writes an RPC_ADDR_STR structure.
347********************************************************************/
348
349static bool smb_io_rpc_addr_str(const char *desc, RPC_ADDR_STR *str, prs_struct *ps, int depth)
350{
351 if (str == NULL)
352 return False;
353
354 prs_debug(ps, depth, desc, "smb_io_rpc_addr_str");
355 depth++;
356 if(!prs_align(ps))
357 return False;
358
359 if(!prs_uint16 ( "len", ps, depth, &str->len))
360 return False;
361 if(!prs_uint8s (True, "str", ps, depth, (uchar*)str->str, MIN(str->len, sizeof(str->str)) ))
362 return False;
363 return True;
364}
365
366/*******************************************************************
367 Inits an RPC_HDR_BBA structure.
368********************************************************************/
369
370static void init_rpc_hdr_bba(RPC_HDR_BBA *bba, uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid)
371{
372 bba->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */
373 bba->max_rsize = max_rsize; /* max receive fragment size (0x1630) */
374 bba->assoc_gid = assoc_gid; /* associated group id (0x0) */
375}
376
377/*******************************************************************
378 Reads or writes an RPC_HDR_BBA structure.
379********************************************************************/
380
381static bool smb_io_rpc_hdr_bba(const char *desc, RPC_HDR_BBA *rpc, prs_struct *ps, int depth)
382{
383 if (rpc == NULL)
384 return False;
385
386 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_bba");
387 depth++;
388
389 if(!prs_uint16("max_tsize", ps, depth, &rpc->max_tsize))
390 return False;
391 if(!prs_uint16("max_rsize", ps, depth, &rpc->max_rsize))
392 return False;
393 if(!prs_uint32("assoc_gid", ps, depth, &rpc->assoc_gid))
394 return False;
395 return True;
396}
397
398/*******************************************************************
399 Inits an RPC_CONTEXT structure.
400 Note the transfer pointer must remain valid until this is marshalled.
401********************************************************************/
402
403void init_rpc_context(RPC_CONTEXT *rpc_ctx, uint16 context_id, RPC_IFACE *abstract, RPC_IFACE *transfer)
404{
405 rpc_ctx->context_id = context_id ; /* presentation context identifier (0x0) */
406 rpc_ctx->num_transfer_syntaxes = 1 ; /* the number of syntaxes (has always been 1?)(0x1) */
407
408 /* num and vers. of interface client is using */
409 rpc_ctx->abstract = *abstract;
410
411 /* vers. of interface to use for replies */
412 rpc_ctx->transfer = CONST_DISCARD(RPC_IFACE *, transfer);
413}
414
415/*******************************************************************
416 Inits an RPC_HDR_RB structure.
417 Note the context pointer must remain valid until this is marshalled.
418********************************************************************/
419
420void init_rpc_hdr_rb(RPC_HDR_RB *rpc,
421 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
422 RPC_CONTEXT *context)
423{
424 init_rpc_hdr_bba(&rpc->bba, max_tsize, max_rsize, assoc_gid);
425
426 rpc->num_contexts = 1;
427 rpc->rpc_context = context;
428}
429
430/*******************************************************************
431 Reads or writes an RPC_CONTEXT structure.
432********************************************************************/
433
434bool smb_io_rpc_context(const char *desc, RPC_CONTEXT *rpc_ctx, prs_struct *ps, int depth)
435{
436 int i;
437
438 if (rpc_ctx == NULL)
439 return False;
440
441 if(!prs_align(ps))
442 return False;
443 if(!prs_uint16("context_id ", ps, depth, &rpc_ctx->context_id ))
444 return False;
445 if(!prs_uint8 ("num_transfer_syntaxes", ps, depth, &rpc_ctx->num_transfer_syntaxes))
446 return False;
447
448 /* num_transfer_syntaxes must not be zero. */
449 if (rpc_ctx->num_transfer_syntaxes == 0)
450 return False;
451
452 if(!smb_io_rpc_iface("", &rpc_ctx->abstract, ps, depth))
453 return False;
454
455 if (UNMARSHALLING(ps)) {
456 if (!(rpc_ctx->transfer = PRS_ALLOC_MEM(ps, RPC_IFACE, rpc_ctx->num_transfer_syntaxes))) {
457 return False;
458 }
459 }
460
461 for (i = 0; i < rpc_ctx->num_transfer_syntaxes; i++ ) {
462 if (!smb_io_rpc_iface("", &rpc_ctx->transfer[i], ps, depth))
463 return False;
464 }
465 return True;
466}
467
468/*******************************************************************
469 Reads or writes an RPC_HDR_RB structure.
470********************************************************************/
471
472bool smb_io_rpc_hdr_rb(const char *desc, RPC_HDR_RB *rpc, prs_struct *ps, int depth)
473{
474 int i;
475
476 if (rpc == NULL)
477 return False;
478
479 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_rb");
480 depth++;
481
482 if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
483 return False;
484
485 if(!prs_uint8("num_contexts", ps, depth, &rpc->num_contexts))
486 return False;
487
488 /* 3 pad bytes following - will be mopped up by the prs_align in smb_io_rpc_context(). */
489
490 /* num_contexts must not be zero. */
491 if (rpc->num_contexts == 0)
492 return False;
493
494 if (UNMARSHALLING(ps)) {
495 if (!(rpc->rpc_context = PRS_ALLOC_MEM(ps, RPC_CONTEXT, rpc->num_contexts))) {
496 return False;
497 }
498 }
499
500 for (i = 0; i < rpc->num_contexts; i++ ) {
501 if (!smb_io_rpc_context("", &rpc->rpc_context[i], ps, depth))
502 return False;
503 }
504
505 return True;
506}
507
508/*******************************************************************
509 Inits an RPC_RESULTS structure.
510
511 lkclXXXX only one reason at the moment!
512********************************************************************/
513
514static void init_rpc_results(RPC_RESULTS *res,
515 uint8 num_results, uint16 result, uint16 reason)
516{
517 res->num_results = num_results; /* the number of results (0x01) */
518 res->result = result ; /* result (0x00 = accept) */
519 res->reason = reason ; /* reason (0x00 = no reason specified) */
520}
521
522/*******************************************************************
523 Reads or writes an RPC_RESULTS structure.
524
525 lkclXXXX only one reason at the moment!
526********************************************************************/
527
528static bool smb_io_rpc_results(const char *desc, RPC_RESULTS *res, prs_struct *ps, int depth)
529{
530 if (res == NULL)
531 return False;
532
533 prs_debug(ps, depth, desc, "smb_io_rpc_results");
534 depth++;
535
536 if(!prs_align(ps))
537 return False;
538
539 if(!prs_uint8 ("num_results", ps, depth, &res->num_results))
540 return False;
541
542 if(!prs_align(ps))
543 return False;
544
545 if(!prs_uint16("result ", ps, depth, &res->result))
546 return False;
547 if(!prs_uint16("reason ", ps, depth, &res->reason))
548 return False;
549 return True;
550}
551
552/*******************************************************************
553 Init an RPC_HDR_BA structure.
554
555 lkclXXXX only one reason at the moment!
556
557********************************************************************/
558
559void init_rpc_hdr_ba(RPC_HDR_BA *rpc,
560 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
561 const char *pipe_addr,
562 uint8 num_results, uint16 result, uint16 reason,
563 RPC_IFACE *transfer)
564{
565 init_rpc_hdr_bba (&rpc->bba, max_tsize, max_rsize, assoc_gid);
566 init_rpc_addr_str(&rpc->addr, pipe_addr);
567 init_rpc_results (&rpc->res, num_results, result, reason);
568
569 /* the transfer syntax from the request */
570 memcpy(&rpc->transfer, transfer, sizeof(rpc->transfer));
571}
572
573/*******************************************************************
574 Reads or writes an RPC_HDR_BA structure.
575********************************************************************/
576
577bool smb_io_rpc_hdr_ba(const char *desc, RPC_HDR_BA *rpc, prs_struct *ps, int depth)
578{
579 if (rpc == NULL)
580 return False;
581
582 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_ba");
583 depth++;
584
585 if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
586 return False;
587 if(!smb_io_rpc_addr_str("", &rpc->addr, ps, depth))
588 return False;
589 if(!smb_io_rpc_results("", &rpc->res, ps, depth))
590 return False;
591 if(!smb_io_rpc_iface("", &rpc->transfer, ps, depth))
592 return False;
593 return True;
594}
595
596/*******************************************************************
597 Init an RPC_HDR_REQ structure.
598********************************************************************/
599
600void init_rpc_hdr_req(RPC_HDR_REQ *hdr, uint32 alloc_hint, uint16 opnum)
601{
602 hdr->alloc_hint = alloc_hint; /* allocation hint */
603 hdr->context_id = 0; /* presentation context identifier */
604 hdr->opnum = opnum; /* opnum */
605}
606
607/*******************************************************************
608 Reads or writes an RPC_HDR_REQ structure.
609********************************************************************/
610
611bool smb_io_rpc_hdr_req(const char *desc, RPC_HDR_REQ *rpc, prs_struct *ps, int depth)
612{
613 if (rpc == NULL)
614 return False;
615
616 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_req");
617 depth++;
618
619 if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
620 return False;
621 if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
622 return False;
623 if(!prs_uint16("opnum ", ps, depth, &rpc->opnum))
624 return False;
625 return True;
626}
627
628/*******************************************************************
629 Reads or writes an RPC_HDR_RESP structure.
630********************************************************************/
631
632bool smb_io_rpc_hdr_resp(const char *desc, RPC_HDR_RESP *rpc, prs_struct *ps, int depth)
633{
634 if (rpc == NULL)
635 return False;
636
637 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_resp");
638 depth++;
639
640 if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
641 return False;
642 if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
643 return False;
644 if(!prs_uint8 ("cancel_ct ", ps, depth, &rpc->cancel_count))
645 return False;
646 if(!prs_uint8 ("reserved ", ps, depth, &rpc->reserved))
647 return False;
648 return True;
649}
650
651/*******************************************************************
652 Reads or writes an RPC_HDR_FAULT structure.
653********************************************************************/
654
655bool smb_io_rpc_hdr_fault(const char *desc, RPC_HDR_FAULT *rpc, prs_struct *ps, int depth)
656{
657 if (rpc == NULL)
658 return False;
659
660 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_fault");
661 depth++;
662
663 if(!prs_dcerpc_status("status ", ps, depth, &rpc->status))
664 return False;
665 if(!prs_uint32("reserved", ps, depth, &rpc->reserved))
666 return False;
667
668 return True;
669}
670
671/*******************************************************************
672 Inits an RPC_HDR_AUTH structure.
673********************************************************************/
674
675void init_rpc_hdr_auth(RPC_HDR_AUTH *rai,
676 uint8 auth_type, uint8 auth_level,
677 uint8 auth_pad_len,
678 uint32 auth_context_id)
679{
680 rai->auth_type = auth_type;
681 rai->auth_level = auth_level;
682 rai->auth_pad_len = auth_pad_len;
683 rai->auth_reserved = 0;
684 rai->auth_context_id = auth_context_id;
685}
686
687/*******************************************************************
688 Reads or writes an RPC_HDR_AUTH structure.
689********************************************************************/
690
691bool smb_io_rpc_hdr_auth(const char *desc, RPC_HDR_AUTH *rai, prs_struct *ps, int depth)
692{
693 if (rai == NULL)
694 return False;
695
696 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_auth");
697 depth++;
698
699 if(!prs_align(ps))
700 return False;
701
702 if(!prs_uint8 ("auth_type ", ps, depth, &rai->auth_type))
703 return False;
704 if(!prs_uint8 ("auth_level ", ps, depth, &rai->auth_level))
705 return False;
706 if(!prs_uint8 ("auth_pad_len ", ps, depth, &rai->auth_pad_len))
707 return False;
708 if(!prs_uint8 ("auth_reserved", ps, depth, &rai->auth_reserved))
709 return False;
710 if(!prs_uint32("auth_context_id", ps, depth, &rai->auth_context_id))
711 return False;
712
713 return True;
714}
715
716/*******************************************************************
717 Checks an RPC_AUTH_VERIFIER structure.
718********************************************************************/
719
720bool rpc_auth_verifier_chk(RPC_AUTH_VERIFIER *rav,
721 const char *signature, uint32 msg_type)
722{
723 return (strequal(rav->signature, signature) && rav->msg_type == msg_type);
724}
725
726/*******************************************************************
727 Inits an RPC_AUTH_VERIFIER structure.
728********************************************************************/
729
730void init_rpc_auth_verifier(RPC_AUTH_VERIFIER *rav,
731 const char *signature, uint32 msg_type)
732{
733 fstrcpy(rav->signature, signature); /* "NTLMSSP" */
734 rav->msg_type = msg_type; /* NTLMSSP_MESSAGE_TYPE */
735}
736
737/*******************************************************************
738 Reads or writes an RPC_AUTH_VERIFIER structure.
739********************************************************************/
740
741bool smb_io_rpc_auth_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
742{
743 if (rav == NULL)
744 return False;
745
746 prs_debug(ps, depth, desc, "smb_io_rpc_auth_verifier");
747 depth++;
748
749 /* "NTLMSSP" */
750 if(!prs_string("signature", ps, depth, rav->signature,
751 sizeof(rav->signature)))
752 return False;
753 if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type)) /* NTLMSSP_MESSAGE_TYPE */
754 return False;
755
756 return True;
757}
758
759/*******************************************************************
760 This parses an RPC_AUTH_VERIFIER for schannel. I think
761********************************************************************/
762
763bool smb_io_rpc_schannel_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
764{
765 if (rav == NULL)
766 return False;
767
768 prs_debug(ps, depth, desc, "smb_io_rpc_schannel_verifier");
769 depth++;
770
771 if(!prs_string("signature", ps, depth, rav->signature, sizeof(rav->signature)))
772 return False;
773 if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type))
774 return False;
775
776 return True;
777}
778
779/*******************************************************************
780creates an RPC_AUTH_SCHANNEL_NEG structure.
781********************************************************************/
782
783void init_rpc_auth_schannel_neg(RPC_AUTH_SCHANNEL_NEG *neg,
784 const char *domain, const char *myname)
785{
786 neg->type1 = 0;
787 neg->type2 = 0x3;
788 fstrcpy(neg->domain, domain);
789 fstrcpy(neg->myname, myname);
790}
791
792/*******************************************************************
793 Reads or writes an RPC_AUTH_SCHANNEL_NEG structure.
794********************************************************************/
795
796bool smb_io_rpc_auth_schannel_neg(const char *desc, RPC_AUTH_SCHANNEL_NEG *neg,
797 prs_struct *ps, int depth)
798{
799 if (neg == NULL)
800 return False;
801
802 prs_debug(ps, depth, desc, "smb_io_rpc_auth_schannel_neg");
803 depth++;
804
805 if(!prs_align(ps))
806 return False;
807
808 if(!prs_uint32("type1", ps, depth, &neg->type1))
809 return False;
810 if(!prs_uint32("type2", ps, depth, &neg->type2))
811 return False;
812 if(!prs_string("domain ", ps, depth, neg->domain, sizeof(neg->domain)))
813 return False;
814 if(!prs_string("myname ", ps, depth, neg->myname, sizeof(neg->myname)))
815 return False;
816
817 return True;
818}
819
820/*******************************************************************
821reads or writes an RPC_AUTH_SCHANNEL_CHK structure.
822********************************************************************/
823
824bool smb_io_rpc_auth_schannel_chk(const char *desc, int auth_len,
825 RPC_AUTH_SCHANNEL_CHK * chk,
826 prs_struct *ps, int depth)
827{
828 if (chk == NULL)
829 return False;
830
831 prs_debug(ps, depth, desc, "smb_io_rpc_auth_schannel_chk");
832 depth++;
833
834 if ( !prs_uint8s(False, "sig ", ps, depth, chk->sig, sizeof(chk->sig)) )
835 return False;
836
837 if ( !prs_uint8s(False, "seq_num", ps, depth, chk->seq_num, sizeof(chk->seq_num)) )
838 return False;
839
840 if ( !prs_uint8s(False, "packet_digest", ps, depth, chk->packet_digest, sizeof(chk->packet_digest)) )
841 return False;
842
843 if ( auth_len == RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN ) {
844 if ( !prs_uint8s(False, "confounder", ps, depth, chk->confounder, sizeof(chk->confounder)) )
845 return False;
846 }
847
848 return True;
849}
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