source: branches/samba-3.0/source/rpc_parse/parse_rpc.c

Last change on this file was 1, checked in by Paul Smedley, 18 years ago

Initial code import
File size: 26.3 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 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/*******************************************************************
30interface/version dce/rpc pipe identification
31********************************************************************/
32
33#define TRANS_SYNT_V2 \
34{ \
35 { \
36 0x8a885d04, 0x1ceb, 0x11c9, \
37 { 0x9f, 0xe8 }, \
38 { 0x08, 0x00, \
39 0x2b, 0x10, 0x48, 0x60 } \
40 }, 0x02 \
41}
42
43#define SYNT_NETLOGON_V2 \
44{ \
45 { \
46 0x8a885d04, 0x1ceb, 0x11c9, \
47 { 0x9f, 0xe8 }, \
48 { 0x08, 0x00, \
49 0x2b, 0x10, 0x48, 0x60 } \
50 }, 0x02 \
51}
52
53#define SYNT_WKSSVC_V1 \
54{ \
55 { \
56 0x6bffd098, 0xa112, 0x3610, \
57 { 0x98, 0x33 }, \
58 { 0x46, 0xc3, \
59 0xf8, 0x7e, 0x34, 0x5a } \
60 }, 0x01 \
61}
62
63#define SYNT_SRVSVC_V3 \
64{ \
65 { \
66 0x4b324fc8, 0x1670, 0x01d3, \
67 { 0x12, 0x78 }, \
68 { 0x5a, 0x47, \
69 0xbf, 0x6e, 0xe1, 0x88 } \
70 }, 0x03 \
71}
72
73#define SYNT_LSARPC_V0 \
74{ \
75 { \
76 0x12345778, 0x1234, 0xabcd, \
77 { 0xef, 0x00 }, \
78 { 0x01, 0x23, \
79 0x45, 0x67, 0x89, 0xab } \
80 }, 0x00 \
81}
82
83#define SYNT_LSARPC_V0_DS \
84{ \
85 { \
86 0x3919286a, 0xb10c, 0x11d0, \
87 { 0x9b, 0xa8 }, \
88 { 0x00, 0xc0, \
89 0x4f, 0xd9, 0x2e, 0xf5 } \
90 }, 0x00 \
91}
92
93#define SYNT_SAMR_V1 \
94{ \
95 { \
96 0x12345778, 0x1234, 0xabcd, \
97 { 0xef, 0x00 }, \
98 { 0x01, 0x23, \
99 0x45, 0x67, 0x89, 0xac } \
100 }, 0x01 \
101}
102
103#define SYNT_NETLOGON_V1 \
104{ \
105 { \
106 0x12345678, 0x1234, 0xabcd, \
107 { 0xef, 0x00 }, \
108 { 0x01, 0x23, \
109 0x45, 0x67, 0xcf, 0xfb } \
110 }, 0x01 \
111}
112
113#define SYNT_WINREG_V1 \
114{ \
115 { \
116 0x338cd001, 0x2244, 0x31f1, \
117 { 0xaa, 0xaa }, \
118 { 0x90, 0x00, \
119 0x38, 0x00, 0x10, 0x03 } \
120 }, 0x01 \
121}
122
123#define SYNT_SPOOLSS_V1 \
124{ \
125 { \
126 0x12345678, 0x1234, 0xabcd, \
127 { 0xef, 0x00 }, \
128 { 0x01, 0x23, \
129 0x45, 0x67, 0x89, 0xab } \
130 }, 0x01 \
131}
132
133#define SYNT_NONE_V0 \
134{ \
135 { \
136 0x0, 0x0, 0x0, \
137 { 0x00, 0x00 }, \
138 { 0x00, 0x00, \
139 0x00, 0x00, 0x00, 0x00 } \
140 }, 0x00 \
141}
142
143#define SYNT_NETDFS_V3 \
144{ \
145 { \
146 0x4fc742e0, 0x4a10, 0x11cf, \
147 { 0x82, 0x73 }, \
148 { 0x00, 0xaa, \
149 0x00, 0x4a, 0xe6, 0x73 } \
150 }, 0x03 \
151}
152
153#define SYNT_ECHO_V1 \
154{ \
155 { \
156 0x60a15ec5, 0x4de8, 0x11d7, \
157 { 0xa6, 0x37 }, \
158 { 0x00, 0x50, \
159 0x56, 0xa2, 0x01, 0x82 } \
160 }, 0x01 \
161}
162
163#define SYNT_SHUTDOWN_V1 \
164{ \
165 { \
166 0x894de0c0, 0x0d55, 0x11d3, \
167 { 0xa3, 0x22 }, \
168 { 0x00, 0xc0, \
169 0x4f, 0xa3, 0x21, 0xa1 } \
170 }, 0x01 \
171}
172
173#define SYNT_SVCCTL_V2 \
174{ \
175 { \
176 0x367abb81, 0x9844, 0x35f1, \
177 { 0xad, 0x32 }, \
178 { 0x98, 0xf0, \
179 0x38, 0x00, 0x10, 0x03 } \
180 }, 0x02 \
181}
182
183
184#define SYNT_EVENTLOG_V0 \
185{ \
186 { \
187 0x82273fdc, 0xe32a, 0x18c3, \
188 { 0x3f, 0x78 }, \
189 { 0x82, 0x79, \
190 0x29, 0xdc, 0x23, 0xea } \
191 }, 0x00 \
192}
193
194#define SYNT_NTSVCS_V1 \
195{ \
196 { \
197 0x8d9f4e40, 0xa03d, 0x11ce, \
198 { 0x8f, 0x69}, \
199 { 0x08, 0x00, \
200 0x3e, 0x30, 0x05, 0x1b } \
201 }, 0x01 \
202}
203
204/*
205 * IMPORTANT!! If you update this structure, make sure to
206 * update the index #defines in smb.h.
207 */
208
209const struct pipe_id_info pipe_names [] =
210{
211 /* client pipe , abstract syntax , server pipe , transfer syntax */
212 { PIPE_LSARPC , SYNT_LSARPC_V0 , PIPE_LSASS , TRANS_SYNT_V2 },
213 { PIPE_LSARPC , SYNT_LSARPC_V0_DS , PIPE_LSASS , TRANS_SYNT_V2 },
214 { PIPE_SAMR , SYNT_SAMR_V1 , PIPE_LSASS , TRANS_SYNT_V2 },
215 { PIPE_NETLOGON, SYNT_NETLOGON_V1 , PIPE_LSASS , TRANS_SYNT_V2 },
216 { PIPE_SRVSVC , SYNT_SRVSVC_V3 , PIPE_NTSVCS , TRANS_SYNT_V2 },
217 { PIPE_WKSSVC , SYNT_WKSSVC_V1 , PIPE_NTSVCS , TRANS_SYNT_V2 },
218 { PIPE_WINREG , SYNT_WINREG_V1 , PIPE_WINREG , TRANS_SYNT_V2 },
219 { PIPE_SPOOLSS , SYNT_SPOOLSS_V1 , PIPE_SPOOLSS , TRANS_SYNT_V2 },
220 { PIPE_NETDFS , SYNT_NETDFS_V3 , PIPE_NETDFS , TRANS_SYNT_V2 },
221 { PIPE_ECHO , SYNT_ECHO_V1 , PIPE_ECHO , TRANS_SYNT_V2 },
222 { PIPE_SHUTDOWN, SYNT_SHUTDOWN_V1 , PIPE_SHUTDOWN , TRANS_SYNT_V2 },
223 { PIPE_SVCCTL , SYNT_SVCCTL_V2 , PIPE_NTSVCS , TRANS_SYNT_V2 },
224 { PIPE_EVENTLOG, SYNT_EVENTLOG_V0 , PIPE_EVENTLOG , TRANS_SYNT_V2 },
225 { PIPE_NTSVCS , SYNT_NTSVCS_V1 , PIPE_NTSVCS , TRANS_SYNT_V2 },
226 { NULL , SYNT_NONE_V0 , NULL , SYNT_NONE_V0 }
227};
228
229/****************************************************************************
230 Return the pipe name from the index.
231 ****************************************************************************/
232
233const char *cli_get_pipe_name(int pipe_idx)
234{
235 return &pipe_names[pipe_idx].client_pipe[5];
236}
237
238/*******************************************************************
239 Inits an RPC_HDR structure.
240********************************************************************/
241
242void init_rpc_hdr(RPC_HDR *hdr, enum RPC_PKT_TYPE pkt_type, uint8 flags,
243 uint32 call_id, int data_len, int auth_len)
244{
245 hdr->major = 5; /* RPC version 5 */
246 hdr->minor = 0; /* minor version 0 */
247 hdr->pkt_type = pkt_type; /* RPC packet type */
248 hdr->flags = flags; /* dce/rpc flags */
249 hdr->pack_type[0] = 0x10; /* little-endian data representation */
250 hdr->pack_type[1] = 0; /* packed data representation */
251 hdr->pack_type[2] = 0; /* packed data representation */
252 hdr->pack_type[3] = 0; /* packed data representation */
253 hdr->frag_len = data_len; /* fragment length, fill in later */
254 hdr->auth_len = auth_len; /* authentication length */
255 hdr->call_id = call_id; /* call identifier - match incoming RPC */
256}
257
258/*******************************************************************
259 Reads or writes an RPC_HDR structure.
260********************************************************************/
261
262BOOL smb_io_rpc_hdr(const char *desc, RPC_HDR *rpc, prs_struct *ps, int depth)
263{
264 if (rpc == NULL)
265 return False;
266
267 prs_debug(ps, depth, desc, "smb_io_rpc_hdr");
268 depth++;
269
270 if(!prs_uint8 ("major ", ps, depth, &rpc->major))
271 return False;
272
273 if(!prs_uint8 ("minor ", ps, depth, &rpc->minor))
274 return False;
275 if(!prs_uint8 ("pkt_type ", ps, depth, &rpc->pkt_type))
276 return False;
277 if(!prs_uint8 ("flags ", ps, depth, &rpc->flags))
278 return False;
279
280 /* We always marshall in little endian format. */
281 if (MARSHALLING(ps))
282 rpc->pack_type[0] = 0x10;
283
284 if(!prs_uint8("pack_type0", ps, depth, &rpc->pack_type[0]))
285 return False;
286 if(!prs_uint8("pack_type1", ps, depth, &rpc->pack_type[1]))
287 return False;
288 if(!prs_uint8("pack_type2", ps, depth, &rpc->pack_type[2]))
289 return False;
290 if(!prs_uint8("pack_type3", ps, depth, &rpc->pack_type[3]))
291 return False;
292
293 /*
294 * If reading and pack_type[0] == 0 then the data is in big-endian
295 * format. Set the flag in the prs_struct to specify reverse-endainness.
296 */
297
298 if (UNMARSHALLING(ps) && rpc->pack_type[0] == 0) {
299 DEBUG(10,("smb_io_rpc_hdr: PDU data format is big-endian. Setting flag.\n"));
300 prs_set_endian_data(ps, RPC_BIG_ENDIAN);
301 }
302
303 if(!prs_uint16("frag_len ", ps, depth, &rpc->frag_len))
304 return False;
305 if(!prs_uint16("auth_len ", ps, depth, &rpc->auth_len))
306 return False;
307 if(!prs_uint32("call_id ", ps, depth, &rpc->call_id))
308 return False;
309 return True;
310}
311
312/*******************************************************************
313 Reads or writes an RPC_IFACE structure.
314********************************************************************/
315
316static BOOL smb_io_rpc_iface(const char *desc, RPC_IFACE *ifc, prs_struct *ps, int depth)
317{
318 if (ifc == NULL)
319 return False;
320
321 prs_debug(ps, depth, desc, "smb_io_rpc_iface");
322 depth++;
323
324 if (!prs_align(ps))
325 return False;
326
327 if (!smb_io_uuid( "uuid", &ifc->uuid, ps, depth))
328 return False;
329
330 if(!prs_uint32 ("version", ps, depth, &ifc->version))
331 return False;
332
333 return True;
334}
335
336/*******************************************************************
337 Inits an RPC_ADDR_STR structure.
338********************************************************************/
339
340static void init_rpc_addr_str(RPC_ADDR_STR *str, const char *name)
341{
342 str->len = strlen(name) + 1;
343 fstrcpy(str->str, name);
344}
345
346/*******************************************************************
347 Reads or writes an RPC_ADDR_STR structure.
348********************************************************************/
349
350static BOOL smb_io_rpc_addr_str(const char *desc, RPC_ADDR_STR *str, prs_struct *ps, int depth)
351{
352 if (str == NULL)
353 return False;
354
355 prs_debug(ps, depth, desc, "smb_io_rpc_addr_str");
356 depth++;
357 if(!prs_align(ps))
358 return False;
359
360 if(!prs_uint16 ( "len", ps, depth, &str->len))
361 return False;
362 if(!prs_uint8s (True, "str", ps, depth, (uchar*)str->str, MIN(str->len, sizeof(str->str)) ))
363 return False;
364 return True;
365}
366
367/*******************************************************************
368 Inits an RPC_HDR_BBA structure.
369********************************************************************/
370
371static void init_rpc_hdr_bba(RPC_HDR_BBA *bba, uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid)
372{
373 bba->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */
374 bba->max_rsize = max_rsize; /* max receive fragment size (0x1630) */
375 bba->assoc_gid = assoc_gid; /* associated group id (0x0) */
376}
377
378/*******************************************************************
379 Reads or writes an RPC_HDR_BBA structure.
380********************************************************************/
381
382static BOOL smb_io_rpc_hdr_bba(const char *desc, RPC_HDR_BBA *rpc, prs_struct *ps, int depth)
383{
384 if (rpc == NULL)
385 return False;
386
387 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_bba");
388 depth++;
389
390 if(!prs_uint16("max_tsize", ps, depth, &rpc->max_tsize))
391 return False;
392 if(!prs_uint16("max_rsize", ps, depth, &rpc->max_rsize))
393 return False;
394 if(!prs_uint32("assoc_gid", ps, depth, &rpc->assoc_gid))
395 return False;
396 return True;
397}
398
399/*******************************************************************
400 Inits an RPC_CONTEXT structure.
401 Note the transfer pointer must remain valid until this is marshalled.
402********************************************************************/
403
404void init_rpc_context(RPC_CONTEXT *rpc_ctx, uint16 context_id, RPC_IFACE *abstract, RPC_IFACE *transfer)
405{
406 rpc_ctx->context_id = context_id ; /* presentation context identifier (0x0) */
407 rpc_ctx->num_transfer_syntaxes = 1 ; /* the number of syntaxes (has always been 1?)(0x1) */
408
409 /* num and vers. of interface client is using */
410 rpc_ctx->abstract = *abstract;
411
412 /* vers. of interface to use for replies */
413 rpc_ctx->transfer = transfer;
414}
415
416/*******************************************************************
417 Inits an RPC_HDR_RB structure.
418 Note the context pointer must remain valid until this is marshalled.
419********************************************************************/
420
421void init_rpc_hdr_rb(RPC_HDR_RB *rpc,
422 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
423 RPC_CONTEXT *context)
424{
425 init_rpc_hdr_bba(&rpc->bba, max_tsize, max_rsize, assoc_gid);
426
427 rpc->num_contexts = 1;
428 rpc->rpc_context = context;
429}
430
431/*******************************************************************
432 Reads or writes an RPC_CONTEXT structure.
433********************************************************************/
434
435BOOL smb_io_rpc_context(const char *desc, RPC_CONTEXT *rpc_ctx, prs_struct *ps, int depth)
436{
437 int i;
438
439 if (rpc_ctx == NULL)
440 return False;
441
442 if(!prs_align(ps))
443 return False;
444 if(!prs_uint16("context_id ", ps, depth, &rpc_ctx->context_id ))
445 return False;
446 if(!prs_uint8 ("num_transfer_syntaxes", ps, depth, &rpc_ctx->num_transfer_syntaxes))
447 return False;
448
449 /* num_transfer_syntaxes must not be zero. */
450 if (rpc_ctx->num_transfer_syntaxes == 0)
451 return False;
452
453 if(!smb_io_rpc_iface("", &rpc_ctx->abstract, ps, depth))
454 return False;
455
456 if (UNMARSHALLING(ps)) {
457 if (!(rpc_ctx->transfer = PRS_ALLOC_MEM(ps, RPC_IFACE, rpc_ctx->num_transfer_syntaxes))) {
458 return False;
459 }
460 }
461
462 for (i = 0; i < rpc_ctx->num_transfer_syntaxes; i++ ) {
463 if (!smb_io_rpc_iface("", &rpc_ctx->transfer[i], ps, depth))
464 return False;
465 }
466 return True;
467}
468
469/*******************************************************************
470 Reads or writes an RPC_HDR_RB structure.
471********************************************************************/
472
473BOOL smb_io_rpc_hdr_rb(const char *desc, RPC_HDR_RB *rpc, prs_struct *ps, int depth)
474{
475 int i;
476
477 if (rpc == NULL)
478 return False;
479
480 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_rb");
481 depth++;
482
483 if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
484 return False;
485
486 if(!prs_uint8("num_contexts", ps, depth, &rpc->num_contexts))
487 return False;
488
489 /* 3 pad bytes following - will be mopped up by the prs_align in smb_io_rpc_context(). */
490
491 /* num_contexts must not be zero. */
492 if (rpc->num_contexts == 0)
493 return False;
494
495 if (UNMARSHALLING(ps)) {
496 if (!(rpc->rpc_context = PRS_ALLOC_MEM(ps, RPC_CONTEXT, rpc->num_contexts))) {
497 return False;
498 }
499 }
500
501 for (i = 0; i < rpc->num_contexts; i++ ) {
502 if (!smb_io_rpc_context("", &rpc->rpc_context[i], ps, depth))
503 return False;
504 }
505
506 return True;
507}
508
509/*******************************************************************
510 Inits an RPC_RESULTS structure.
511
512 lkclXXXX only one reason at the moment!
513********************************************************************/
514
515static void init_rpc_results(RPC_RESULTS *res,
516 uint8 num_results, uint16 result, uint16 reason)
517{
518 res->num_results = num_results; /* the number of results (0x01) */
519 res->result = result ; /* result (0x00 = accept) */
520 res->reason = reason ; /* reason (0x00 = no reason specified) */
521}
522
523/*******************************************************************
524 Reads or writes an RPC_RESULTS structure.
525
526 lkclXXXX only one reason at the moment!
527********************************************************************/
528
529static BOOL smb_io_rpc_results(const char *desc, RPC_RESULTS *res, prs_struct *ps, int depth)
530{
531 if (res == NULL)
532 return False;
533
534 prs_debug(ps, depth, desc, "smb_io_rpc_results");
535 depth++;
536
537 if(!prs_align(ps))
538 return False;
539
540 if(!prs_uint8 ("num_results", ps, depth, &res->num_results))
541 return False;
542
543 if(!prs_align(ps))
544 return False;
545
546 if(!prs_uint16("result ", ps, depth, &res->result))
547 return False;
548 if(!prs_uint16("reason ", ps, depth, &res->reason))
549 return False;
550 return True;
551}
552
553/*******************************************************************
554 Init an RPC_HDR_BA structure.
555
556 lkclXXXX only one reason at the moment!
557
558********************************************************************/
559
560void init_rpc_hdr_ba(RPC_HDR_BA *rpc,
561 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
562 const char *pipe_addr,
563 uint8 num_results, uint16 result, uint16 reason,
564 RPC_IFACE *transfer)
565{
566 init_rpc_hdr_bba (&rpc->bba, max_tsize, max_rsize, assoc_gid);
567 init_rpc_addr_str(&rpc->addr, pipe_addr);
568 init_rpc_results (&rpc->res, num_results, result, reason);
569
570 /* the transfer syntax from the request */
571 memcpy(&rpc->transfer, transfer, sizeof(rpc->transfer));
572}
573
574/*******************************************************************
575 Reads or writes an RPC_HDR_BA structure.
576********************************************************************/
577
578BOOL smb_io_rpc_hdr_ba(const char *desc, RPC_HDR_BA *rpc, prs_struct *ps, int depth)
579{
580 if (rpc == NULL)
581 return False;
582
583 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_ba");
584 depth++;
585
586 if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
587 return False;
588 if(!smb_io_rpc_addr_str("", &rpc->addr, ps, depth))
589 return False;
590 if(!smb_io_rpc_results("", &rpc->res, ps, depth))
591 return False;
592 if(!smb_io_rpc_iface("", &rpc->transfer, ps, depth))
593 return False;
594 return True;
595}
596
597/*******************************************************************
598 Init an RPC_HDR_REQ structure.
599********************************************************************/
600
601void init_rpc_hdr_req(RPC_HDR_REQ *hdr, uint32 alloc_hint, uint16 opnum)
602{
603 hdr->alloc_hint = alloc_hint; /* allocation hint */
604 hdr->context_id = 0; /* presentation context identifier */
605 hdr->opnum = opnum; /* opnum */
606}
607
608/*******************************************************************
609 Reads or writes an RPC_HDR_REQ structure.
610********************************************************************/
611
612BOOL smb_io_rpc_hdr_req(const char *desc, RPC_HDR_REQ *rpc, prs_struct *ps, int depth)
613{
614 if (rpc == NULL)
615 return False;
616
617 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_req");
618 depth++;
619
620 if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
621 return False;
622 if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
623 return False;
624 if(!prs_uint16("opnum ", ps, depth, &rpc->opnum))
625 return False;
626 return True;
627}
628
629/*******************************************************************
630 Reads or writes an RPC_HDR_RESP structure.
631********************************************************************/
632
633BOOL smb_io_rpc_hdr_resp(const char *desc, RPC_HDR_RESP *rpc, prs_struct *ps, int depth)
634{
635 if (rpc == NULL)
636 return False;
637
638 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_resp");
639 depth++;
640
641 if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
642 return False;
643 if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
644 return False;
645 if(!prs_uint8 ("cancel_ct ", ps, depth, &rpc->cancel_count))
646 return False;
647 if(!prs_uint8 ("reserved ", ps, depth, &rpc->reserved))
648 return False;
649 return True;
650}
651
652/*******************************************************************
653 Reads or writes an RPC_HDR_FAULT structure.
654********************************************************************/
655
656BOOL smb_io_rpc_hdr_fault(const char *desc, RPC_HDR_FAULT *rpc, prs_struct *ps, int depth)
657{
658 if (rpc == NULL)
659 return False;
660
661 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_fault");
662 depth++;
663
664 if(!prs_dcerpc_status("status ", ps, depth, &rpc->status))
665 return False;
666 if(!prs_uint32("reserved", ps, depth, &rpc->reserved))
667 return False;
668
669 return True;
670}
671
672/*******************************************************************
673 Inits an RPC_HDR_AUTH structure.
674********************************************************************/
675
676void init_rpc_hdr_auth(RPC_HDR_AUTH *rai,
677 uint8 auth_type, uint8 auth_level,
678 uint8 auth_pad_len,
679 uint32 auth_context_id)
680{
681 rai->auth_type = auth_type;
682 rai->auth_level = auth_level;
683 rai->auth_pad_len = auth_pad_len;
684 rai->auth_reserved = 0;
685 rai->auth_context_id = auth_context_id;
686}
687
688/*******************************************************************
689 Reads or writes an RPC_HDR_AUTH structure.
690********************************************************************/
691
692BOOL smb_io_rpc_hdr_auth(const char *desc, RPC_HDR_AUTH *rai, prs_struct *ps, int depth)
693{
694 if (rai == NULL)
695 return False;
696
697 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_auth");
698 depth++;
699
700 if(!prs_align(ps))
701 return False;
702
703 if(!prs_uint8 ("auth_type ", ps, depth, &rai->auth_type))
704 return False;
705 if(!prs_uint8 ("auth_level ", ps, depth, &rai->auth_level))
706 return False;
707 if(!prs_uint8 ("auth_pad_len ", ps, depth, &rai->auth_pad_len))
708 return False;
709 if(!prs_uint8 ("auth_reserved", ps, depth, &rai->auth_reserved))
710 return False;
711 if(!prs_uint32("auth_context_id", ps, depth, &rai->auth_context_id))
712 return False;
713
714 return True;
715}
716
717/*******************************************************************
718 Checks an RPC_AUTH_VERIFIER structure.
719********************************************************************/
720
721BOOL rpc_auth_verifier_chk(RPC_AUTH_VERIFIER *rav,
722 const char *signature, uint32 msg_type)
723{
724 return (strequal(rav->signature, signature) && rav->msg_type == msg_type);
725}
726
727/*******************************************************************
728 Inits an RPC_AUTH_VERIFIER structure.
729********************************************************************/
730
731void init_rpc_auth_verifier(RPC_AUTH_VERIFIER *rav,
732 const char *signature, uint32 msg_type)
733{
734 fstrcpy(rav->signature, signature); /* "NTLMSSP" */
735 rav->msg_type = msg_type; /* NTLMSSP_MESSAGE_TYPE */
736}
737
738/*******************************************************************
739 Reads or writes an RPC_AUTH_VERIFIER structure.
740********************************************************************/
741
742BOOL smb_io_rpc_auth_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
743{
744 if (rav == NULL)
745 return False;
746
747 prs_debug(ps, depth, desc, "smb_io_rpc_auth_verifier");
748 depth++;
749
750 /* "NTLMSSP" */
751 if(!prs_string("signature", ps, depth, rav->signature,
752 sizeof(rav->signature)))
753 return False;
754 if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type)) /* NTLMSSP_MESSAGE_TYPE */
755 return False;
756
757 return True;
758}
759
760/*******************************************************************
761 This parses an RPC_AUTH_VERIFIER for schannel. I think
762********************************************************************/
763
764BOOL smb_io_rpc_schannel_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
765{
766 if (rav == NULL)
767 return False;
768
769 prs_debug(ps, depth, desc, "smb_io_rpc_schannel_verifier");
770 depth++;
771
772 if(!prs_string("signature", ps, depth, rav->signature, sizeof(rav->signature)))
773 return False;
774 if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type))
775 return False;
776
777 return True;
778}
779
780/*******************************************************************
781creates an RPC_AUTH_SCHANNEL_NEG structure.
782********************************************************************/
783
784void init_rpc_auth_schannel_neg(RPC_AUTH_SCHANNEL_NEG *neg,
785 const char *domain, const char *myname)
786{
787 neg->type1 = 0;
788 neg->type2 = 0x3;
789 fstrcpy(neg->domain, domain);
790 fstrcpy(neg->myname, myname);
791}
792
793/*******************************************************************
794 Reads or writes an RPC_AUTH_SCHANNEL_NEG structure.
795********************************************************************/
796
797BOOL smb_io_rpc_auth_schannel_neg(const char *desc, RPC_AUTH_SCHANNEL_NEG *neg,
798 prs_struct *ps, int depth)
799{
800 if (neg == NULL)
801 return False;
802
803 prs_debug(ps, depth, desc, "smb_io_rpc_auth_schannel_neg");
804 depth++;
805
806 if(!prs_align(ps))
807 return False;
808
809 if(!prs_uint32("type1", ps, depth, &neg->type1))
810 return False;
811 if(!prs_uint32("type2", ps, depth, &neg->type2))
812 return False;
813 if(!prs_string("domain ", ps, depth, neg->domain, sizeof(neg->domain)))
814 return False;
815 if(!prs_string("myname ", ps, depth, neg->myname, sizeof(neg->myname)))
816 return False;
817
818 return True;
819}
820
821/*******************************************************************
822reads or writes an RPC_AUTH_SCHANNEL_CHK structure.
823********************************************************************/
824
825BOOL smb_io_rpc_auth_schannel_chk(const char *desc, int auth_len,
826 RPC_AUTH_SCHANNEL_CHK * chk,
827 prs_struct *ps, int depth)
828{
829 if (chk == NULL)
830 return False;
831
832 prs_debug(ps, depth, desc, "smb_io_rpc_auth_schannel_chk");
833 depth++;
834
835 if ( !prs_uint8s(False, "sig ", ps, depth, chk->sig, sizeof(chk->sig)) )
836 return False;
837
838 if ( !prs_uint8s(False, "seq_num", ps, depth, chk->seq_num, sizeof(chk->seq_num)) )
839 return False;
840
841 if ( !prs_uint8s(False, "packet_digest", ps, depth, chk->packet_digest, sizeof(chk->packet_digest)) )
842 return False;
843
844 if ( auth_len == RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN ) {
845 if ( !prs_uint8s(False, "confounder", ps, depth, chk->confounder, sizeof(chk->confounder)) )
846 return False;
847 }
848
849 return True;
850}
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