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.
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.
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.
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.
27 #define DBGC_CLASS DBGC_RPC_PARSE
29 /*******************************************************************
30 interface/version dce/rpc pipe identification
31 ********************************************************************/
33 #define TRANS_SYNT_V2 \
36 0x8a885d04, 0x1ceb, 0x11c9, \
39 0x2b, 0x10, 0x48, 0x60 } \
43 #define SYNT_NETLOGON_V2 \
46 0x8a885d04, 0x1ceb, 0x11c9, \
49 0x2b, 0x10, 0x48, 0x60 } \
53 #define SYNT_WKSSVC_V1 \
56 0x6bffd098, 0xa112, 0x3610, \
59 0xf8, 0x7e, 0x34, 0x5a } \
63 #define SYNT_SRVSVC_V3 \
66 0x4b324fc8, 0x1670, 0x01d3, \
69 0xbf, 0x6e, 0xe1, 0x88 } \
73 #define SYNT_LSARPC_V0 \
76 0x12345778, 0x1234, 0xabcd, \
79 0x45, 0x67, 0x89, 0xab } \
83 #define SYNT_LSARPC_V0_DS \
86 0x3919286a, 0xb10c, 0x11d0, \
89 0x4f, 0xd9, 0x2e, 0xf5 } \
93 #define SYNT_SAMR_V1 \
96 0x12345778, 0x1234, 0xabcd, \
99 0x45, 0x67, 0x89, 0xac } \
103 #define SYNT_NETLOGON_V1 \
106 0x12345678, 0x1234, 0xabcd, \
109 0x45, 0x67, 0xcf, 0xfb } \
113 #define SYNT_WINREG_V1 \
116 0x338cd001, 0x2244, 0x31f1, \
119 0x38, 0x00, 0x10, 0x03 } \
123 #define SYNT_SPOOLSS_V1 \
126 0x12345678, 0x1234, 0xabcd, \
129 0x45, 0x67, 0x89, 0xab } \
133 #define SYNT_NONE_V0 \
139 0x00, 0x00, 0x00, 0x00 } \
143 #define SYNT_NETDFS_V3 \
146 0x4fc742e0, 0x4a10, 0x11cf, \
149 0x00, 0x4a, 0xe6, 0x73 } \
153 #define SYNT_ECHO_V1 \
156 0x60a15ec5, 0x4de8, 0x11d7, \
159 0x56, 0xa2, 0x01, 0x82 } \
163 #define SYNT_SHUTDOWN_V1 \
166 0x894de0c0, 0x0d55, 0x11d3, \
169 0x4f, 0xa3, 0x21, 0xa1 } \
173 #define SYNT_SVCCTL_V2 \
176 0x367abb81, 0x9844, 0x35f1, \
179 0x38, 0x00, 0x10, 0x03 } \
184 #define SYNT_EVENTLOG_V0 \
187 0x82273fdc, 0xe32a, 0x18c3, \
190 0x29, 0xdc, 0x23, 0xea } \
194 #define SYNT_UNIXINFO_V0 \
197 0x9c54e310, 0xa955, 0x4885, \
200 0x71, 0x47, 0xdf, 0xa6 } \
204 #define SYNT_NTSVCS_V1 \
207 0x8d9f4e40, 0xa03d, 0x11ce, \
210 0x3e, 0x30, 0x05, 0x1b } \
215 * IMPORTANT!! If you update this structure, make sure to
216 * update the index #defines in smb.h.
219 const struct pipe_id_info pipe_names [] =
221 /* client pipe , abstract syntax , server pipe , transfer syntax */
222 { PIPE_LSARPC , SYNT_LSARPC_V0 , PIPE_LSASS , TRANS_SYNT_V2 },
223 { PIPE_LSARPC , SYNT_LSARPC_V0_DS , PIPE_LSASS , TRANS_SYNT_V2 },
224 { PIPE_SAMR , SYNT_SAMR_V1 , PIPE_LSASS , TRANS_SYNT_V2 },
225 { PIPE_NETLOGON, SYNT_NETLOGON_V1 , PIPE_LSASS , TRANS_SYNT_V2 },
226 { PIPE_SRVSVC , SYNT_SRVSVC_V3 , PIPE_NTSVCS , TRANS_SYNT_V2 },
227 { PIPE_WKSSVC , SYNT_WKSSVC_V1 , PIPE_NTSVCS , TRANS_SYNT_V2 },
228 { PIPE_WINREG , SYNT_WINREG_V1 , PIPE_WINREG , TRANS_SYNT_V2 },
229 { PIPE_SPOOLSS , SYNT_SPOOLSS_V1 , PIPE_SPOOLSS , TRANS_SYNT_V2 },
230 { PIPE_NETDFS , SYNT_NETDFS_V3 , PIPE_NETDFS , TRANS_SYNT_V2 },
231 { PIPE_ECHO , SYNT_ECHO_V1 , PIPE_ECHO , TRANS_SYNT_V2 },
232 { PIPE_SHUTDOWN, SYNT_SHUTDOWN_V1 , PIPE_SHUTDOWN , TRANS_SYNT_V2 },
233 { PIPE_SVCCTL , SYNT_SVCCTL_V2 , PIPE_NTSVCS , TRANS_SYNT_V2 },
234 { PIPE_EVENTLOG, SYNT_EVENTLOG_V0 , PIPE_EVENTLOG , TRANS_SYNT_V2 },
235 { PIPE_NTSVCS , SYNT_NTSVCS_V1 , PIPE_NTSVCS , TRANS_SYNT_V2 },
236 { NULL , SYNT_NONE_V0 , NULL , SYNT_NONE_V0 }
239 /****************************************************************************
240 Return the pipe name from the index.
241 ****************************************************************************/
243 const char *cli_get_pipe_name(int pipe_idx)
245 return &pipe_names[pipe_idx].client_pipe[5];
248 /*******************************************************************
249 Inits an RPC_HDR structure.
250 ********************************************************************/
252 void init_rpc_hdr(RPC_HDR *hdr, enum RPC_PKT_TYPE pkt_type, uint8 flags,
253 uint32 call_id, int data_len, int auth_len)
255 hdr->major = 5; /* RPC version 5 */
256 hdr->minor = 0; /* minor version 0 */
257 hdr->pkt_type = pkt_type; /* RPC packet type */
258 hdr->flags = flags; /* dce/rpc flags */
259 hdr->pack_type[0] = 0x10; /* little-endian data representation */
260 hdr->pack_type[1] = 0; /* packed data representation */
261 hdr->pack_type[2] = 0; /* packed data representation */
262 hdr->pack_type[3] = 0; /* packed data representation */
263 hdr->frag_len = data_len; /* fragment length, fill in later */
264 hdr->auth_len = auth_len; /* authentication length */
265 hdr->call_id = call_id; /* call identifier - match incoming RPC */
268 /*******************************************************************
269 Reads or writes an RPC_HDR structure.
270 ********************************************************************/
272 BOOL smb_io_rpc_hdr(const char *desc, RPC_HDR *rpc, prs_struct *ps, int depth)
277 prs_debug(ps, depth, desc, "smb_io_rpc_hdr");
280 if(!prs_uint8 ("major ", ps, depth, &rpc->major))
283 if(!prs_uint8 ("minor ", ps, depth, &rpc->minor))
285 if(!prs_uint8 ("pkt_type ", ps, depth, &rpc->pkt_type))
287 if(!prs_uint8 ("flags ", ps, depth, &rpc->flags))
290 /* We always marshall in little endian format. */
292 rpc->pack_type[0] = 0x10;
294 if(!prs_uint8("pack_type0", ps, depth, &rpc->pack_type[0]))
296 if(!prs_uint8("pack_type1", ps, depth, &rpc->pack_type[1]))
298 if(!prs_uint8("pack_type2", ps, depth, &rpc->pack_type[2]))
300 if(!prs_uint8("pack_type3", ps, depth, &rpc->pack_type[3]))
304 * If reading and pack_type[0] == 0 then the data is in big-endian
305 * format. Set the flag in the prs_struct to specify reverse-endainness.
308 if (UNMARSHALLING(ps) && rpc->pack_type[0] == 0) {
309 DEBUG(10,("smb_io_rpc_hdr: PDU data format is big-endian. Setting flag.\n"));
310 prs_set_endian_data(ps, RPC_BIG_ENDIAN);
313 if(!prs_uint16("frag_len ", ps, depth, &rpc->frag_len))
315 if(!prs_uint16("auth_len ", ps, depth, &rpc->auth_len))
317 if(!prs_uint32("call_id ", ps, depth, &rpc->call_id))
322 /*******************************************************************
323 Reads or writes an RPC_IFACE structure.
324 ********************************************************************/
326 static BOOL smb_io_rpc_iface(const char *desc, RPC_IFACE *ifc, prs_struct *ps, int depth)
331 prs_debug(ps, depth, desc, "smb_io_rpc_iface");
337 if (!smb_io_uuid( "uuid", &ifc->uuid, ps, depth))
340 if(!prs_uint32 ("version", ps, depth, &ifc->version))
346 /*******************************************************************
347 Inits an RPC_ADDR_STR structure.
348 ********************************************************************/
350 static void init_rpc_addr_str(RPC_ADDR_STR *str, const char *name)
352 str->len = strlen(name) + 1;
353 fstrcpy(str->str, name);
356 /*******************************************************************
357 Reads or writes an RPC_ADDR_STR structure.
358 ********************************************************************/
360 static BOOL smb_io_rpc_addr_str(const char *desc, RPC_ADDR_STR *str, prs_struct *ps, int depth)
365 prs_debug(ps, depth, desc, "smb_io_rpc_addr_str");
370 if(!prs_uint16 ( "len", ps, depth, &str->len))
372 if(!prs_uint8s (True, "str", ps, depth, (uchar*)str->str, MIN(str->len, sizeof(str->str)) ))
377 /*******************************************************************
378 Inits an RPC_HDR_BBA structure.
379 ********************************************************************/
381 static void init_rpc_hdr_bba(RPC_HDR_BBA *bba, uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid)
383 bba->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */
384 bba->max_rsize = max_rsize; /* max receive fragment size (0x1630) */
385 bba->assoc_gid = assoc_gid; /* associated group id (0x0) */
388 /*******************************************************************
389 Reads or writes an RPC_HDR_BBA structure.
390 ********************************************************************/
392 static BOOL smb_io_rpc_hdr_bba(const char *desc, RPC_HDR_BBA *rpc, prs_struct *ps, int depth)
397 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_bba");
400 if(!prs_uint16("max_tsize", ps, depth, &rpc->max_tsize))
402 if(!prs_uint16("max_rsize", ps, depth, &rpc->max_rsize))
404 if(!prs_uint32("assoc_gid", ps, depth, &rpc->assoc_gid))
409 /*******************************************************************
410 Inits an RPC_CONTEXT structure.
411 Note the transfer pointer must remain valid until this is marshalled.
412 ********************************************************************/
414 void init_rpc_context(RPC_CONTEXT *rpc_ctx, uint16 context_id, RPC_IFACE *abstract, RPC_IFACE *transfer)
416 rpc_ctx->context_id = context_id ; /* presentation context identifier (0x0) */
417 rpc_ctx->num_transfer_syntaxes = 1 ; /* the number of syntaxes (has always been 1?)(0x1) */
419 /* num and vers. of interface client is using */
420 rpc_ctx->abstract = *abstract;
422 /* vers. of interface to use for replies */
423 rpc_ctx->transfer = transfer;
426 /*******************************************************************
427 Inits an RPC_HDR_RB structure.
428 Note the context pointer must remain valid until this is marshalled.
429 ********************************************************************/
431 void init_rpc_hdr_rb(RPC_HDR_RB *rpc,
432 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
433 RPC_CONTEXT *context)
435 init_rpc_hdr_bba(&rpc->bba, max_tsize, max_rsize, assoc_gid);
437 rpc->num_contexts = 1;
438 rpc->rpc_context = context;
441 /*******************************************************************
442 Reads or writes an RPC_CONTEXT structure.
443 ********************************************************************/
445 BOOL smb_io_rpc_context(const char *desc, RPC_CONTEXT *rpc_ctx, prs_struct *ps, int depth)
454 if(!prs_uint16("context_id ", ps, depth, &rpc_ctx->context_id ))
456 if(!prs_uint8 ("num_transfer_syntaxes", ps, depth, &rpc_ctx->num_transfer_syntaxes))
459 /* num_transfer_syntaxes must not be zero. */
460 if (rpc_ctx->num_transfer_syntaxes == 0)
463 if(!smb_io_rpc_iface("", &rpc_ctx->abstract, ps, depth))
466 if (UNMARSHALLING(ps)) {
467 if (!(rpc_ctx->transfer = PRS_ALLOC_MEM(ps, RPC_IFACE, rpc_ctx->num_transfer_syntaxes))) {
472 for (i = 0; i < rpc_ctx->num_transfer_syntaxes; i++ ) {
473 if (!smb_io_rpc_iface("", &rpc_ctx->transfer[i], ps, depth))
479 /*******************************************************************
480 Reads or writes an RPC_HDR_RB structure.
481 ********************************************************************/
483 BOOL smb_io_rpc_hdr_rb(const char *desc, RPC_HDR_RB *rpc, prs_struct *ps, int depth)
490 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_rb");
493 if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
496 if(!prs_uint8("num_contexts", ps, depth, &rpc->num_contexts))
499 /* 3 pad bytes following - will be mopped up by the prs_align in smb_io_rpc_context(). */
501 /* num_contexts must not be zero. */
502 if (rpc->num_contexts == 0)
505 if (UNMARSHALLING(ps)) {
506 if (!(rpc->rpc_context = PRS_ALLOC_MEM(ps, RPC_CONTEXT, rpc->num_contexts))) {
511 for (i = 0; i < rpc->num_contexts; i++ ) {
512 if (!smb_io_rpc_context("", &rpc->rpc_context[i], ps, depth))
519 /*******************************************************************
520 Inits an RPC_RESULTS structure.
522 lkclXXXX only one reason at the moment!
523 ********************************************************************/
525 static void init_rpc_results(RPC_RESULTS *res,
526 uint8 num_results, uint16 result, uint16 reason)
528 res->num_results = num_results; /* the number of results (0x01) */
529 res->result = result ; /* result (0x00 = accept) */
530 res->reason = reason ; /* reason (0x00 = no reason specified) */
533 /*******************************************************************
534 Reads or writes an RPC_RESULTS structure.
536 lkclXXXX only one reason at the moment!
537 ********************************************************************/
539 static BOOL smb_io_rpc_results(const char *desc, RPC_RESULTS *res, prs_struct *ps, int depth)
544 prs_debug(ps, depth, desc, "smb_io_rpc_results");
550 if(!prs_uint8 ("num_results", ps, depth, &res->num_results))
556 if(!prs_uint16("result ", ps, depth, &res->result))
558 if(!prs_uint16("reason ", ps, depth, &res->reason))
563 /*******************************************************************
564 Init an RPC_HDR_BA structure.
566 lkclXXXX only one reason at the moment!
568 ********************************************************************/
570 void init_rpc_hdr_ba(RPC_HDR_BA *rpc,
571 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
572 const char *pipe_addr,
573 uint8 num_results, uint16 result, uint16 reason,
576 init_rpc_hdr_bba (&rpc->bba, max_tsize, max_rsize, assoc_gid);
577 init_rpc_addr_str(&rpc->addr, pipe_addr);
578 init_rpc_results (&rpc->res, num_results, result, reason);
580 /* the transfer syntax from the request */
581 memcpy(&rpc->transfer, transfer, sizeof(rpc->transfer));
584 /*******************************************************************
585 Reads or writes an RPC_HDR_BA structure.
586 ********************************************************************/
588 BOOL smb_io_rpc_hdr_ba(const char *desc, RPC_HDR_BA *rpc, prs_struct *ps, int depth)
593 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_ba");
596 if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
598 if(!smb_io_rpc_addr_str("", &rpc->addr, ps, depth))
600 if(!smb_io_rpc_results("", &rpc->res, ps, depth))
602 if(!smb_io_rpc_iface("", &rpc->transfer, ps, depth))
607 /*******************************************************************
608 Init an RPC_HDR_REQ structure.
609 ********************************************************************/
611 void init_rpc_hdr_req(RPC_HDR_REQ *hdr, uint32 alloc_hint, uint16 opnum)
613 hdr->alloc_hint = alloc_hint; /* allocation hint */
614 hdr->context_id = 0; /* presentation context identifier */
615 hdr->opnum = opnum; /* opnum */
618 /*******************************************************************
619 Reads or writes an RPC_HDR_REQ structure.
620 ********************************************************************/
622 BOOL smb_io_rpc_hdr_req(const char *desc, RPC_HDR_REQ *rpc, prs_struct *ps, int depth)
627 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_req");
630 if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
632 if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
634 if(!prs_uint16("opnum ", ps, depth, &rpc->opnum))
639 /*******************************************************************
640 Reads or writes an RPC_HDR_RESP structure.
641 ********************************************************************/
643 BOOL smb_io_rpc_hdr_resp(const char *desc, RPC_HDR_RESP *rpc, prs_struct *ps, int depth)
648 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_resp");
651 if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
653 if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
655 if(!prs_uint8 ("cancel_ct ", ps, depth, &rpc->cancel_count))
657 if(!prs_uint8 ("reserved ", ps, depth, &rpc->reserved))
662 /*******************************************************************
663 Reads or writes an RPC_HDR_FAULT structure.
664 ********************************************************************/
666 BOOL smb_io_rpc_hdr_fault(const char *desc, RPC_HDR_FAULT *rpc, prs_struct *ps, int depth)
671 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_fault");
674 if(!prs_ntstatus("status ", ps, depth, &rpc->status))
676 if(!prs_uint32("reserved", ps, depth, &rpc->reserved))
682 /*******************************************************************
683 Inits an RPC_HDR_AUTH structure.
684 ********************************************************************/
686 void init_rpc_hdr_auth(RPC_HDR_AUTH *rai,
687 uint8 auth_type, uint8 auth_level,
689 uint32 auth_context_id)
691 rai->auth_type = auth_type;
692 rai->auth_level = auth_level;
693 rai->auth_pad_len = auth_pad_len;
694 rai->auth_reserved = 0;
695 rai->auth_context_id = auth_context_id;
698 /*******************************************************************
699 Reads or writes an RPC_HDR_AUTH structure.
700 ********************************************************************/
702 BOOL smb_io_rpc_hdr_auth(const char *desc, RPC_HDR_AUTH *rai, prs_struct *ps, int depth)
707 prs_debug(ps, depth, desc, "smb_io_rpc_hdr_auth");
713 if(!prs_uint8 ("auth_type ", ps, depth, &rai->auth_type))
715 if(!prs_uint8 ("auth_level ", ps, depth, &rai->auth_level))
717 if(!prs_uint8 ("auth_pad_len ", ps, depth, &rai->auth_pad_len))
719 if(!prs_uint8 ("auth_reserved", ps, depth, &rai->auth_reserved))
721 if(!prs_uint32("auth_context_id", ps, depth, &rai->auth_context_id))
727 /*******************************************************************
728 Checks an RPC_AUTH_VERIFIER structure.
729 ********************************************************************/
731 BOOL rpc_auth_verifier_chk(RPC_AUTH_VERIFIER *rav,
732 const char *signature, uint32 msg_type)
734 return (strequal(rav->signature, signature) && rav->msg_type == msg_type);
737 /*******************************************************************
738 Inits an RPC_AUTH_VERIFIER structure.
739 ********************************************************************/
741 void init_rpc_auth_verifier(RPC_AUTH_VERIFIER *rav,
742 const char *signature, uint32 msg_type)
744 fstrcpy(rav->signature, signature); /* "NTLMSSP" */
745 rav->msg_type = msg_type; /* NTLMSSP_MESSAGE_TYPE */
748 /*******************************************************************
749 Reads or writes an RPC_AUTH_VERIFIER structure.
750 ********************************************************************/
752 BOOL smb_io_rpc_auth_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
757 prs_debug(ps, depth, desc, "smb_io_rpc_auth_verifier");
761 if(!prs_string("signature", ps, depth, rav->signature,
762 sizeof(rav->signature)))
764 if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type)) /* NTLMSSP_MESSAGE_TYPE */
770 /*******************************************************************
771 This parses an RPC_AUTH_VERIFIER for schannel. I think
772 ********************************************************************/
774 BOOL smb_io_rpc_schannel_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
779 prs_debug(ps, depth, desc, "smb_io_rpc_schannel_verifier");
782 if(!prs_string("signature", ps, depth, rav->signature, sizeof(rav->signature)))
784 if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type))
790 /*******************************************************************
791 creates an RPC_AUTH_SCHANNEL_NEG structure.
792 ********************************************************************/
794 void init_rpc_auth_schannel_neg(RPC_AUTH_SCHANNEL_NEG *neg,
795 const char *domain, const char *myname)
799 fstrcpy(neg->domain, domain);
800 fstrcpy(neg->myname, myname);
803 /*******************************************************************
804 Reads or writes an RPC_AUTH_SCHANNEL_NEG structure.
805 ********************************************************************/
807 BOOL smb_io_rpc_auth_schannel_neg(const char *desc, RPC_AUTH_SCHANNEL_NEG *neg,
808 prs_struct *ps, int depth)
813 prs_debug(ps, depth, desc, "smb_io_rpc_auth_schannel_neg");
819 if(!prs_uint32("type1", ps, depth, &neg->type1))
821 if(!prs_uint32("type2", ps, depth, &neg->type2))
823 if(!prs_string("domain ", ps, depth, neg->domain, sizeof(neg->domain)))
825 if(!prs_string("myname ", ps, depth, neg->myname, sizeof(neg->myname)))
831 /*******************************************************************
832 reads or writes an RPC_AUTH_SCHANNEL_CHK structure.
833 ********************************************************************/
835 BOOL smb_io_rpc_auth_schannel_chk(const char *desc, int auth_len,
836 RPC_AUTH_SCHANNEL_CHK * chk,
837 prs_struct *ps, int depth)
842 prs_debug(ps, depth, desc, "smb_io_rpc_auth_schannel_chk");
845 if ( !prs_uint8s(False, "sig ", ps, depth, chk->sig, sizeof(chk->sig)) )
848 if ( !prs_uint8s(False, "seq_num", ps, depth, chk->seq_num, sizeof(chk->seq_num)) )
851 if ( !prs_uint8s(False, "packet_digest", ps, depth, chk->packet_digest, sizeof(chk->packet_digest)) )
854 if ( auth_len == RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN ) {
855 if ( !prs_uint8s(False, "confounder", ps, depth, chk->confounder, sizeof(chk->confounder)) )