2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
4 * Almost completely rewritten by (C) Jeremy Allison 2005.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 /* this module apparently provides an implementation of DCE/RPC over a
22 * named pipe (IPC$ connection using SMBtrans). details of DCE/RPC
23 * documentation are available (in on-line form) from the X-Open group.
25 * this module should provide a level of abstraction between SMB
26 * and DCE/RPC, while minimising the amount of mallocs, unnecessary
27 * data copies, and network traffic.
33 extern struct pipe_id_info pipe_names[];
34 extern struct current_user current_user;
37 #define DBGC_CLASS DBGC_RPC_SRV
39 static void free_pipe_ntlmssp_auth_data(struct pipe_auth_data *auth)
41 AUTH_NTLMSSP_STATE *a = auth->a_u.auth_ntlmssp_state;
46 auth->a_u.auth_ntlmssp_state = NULL;
49 /*******************************************************************
50 Generate the next PDU to be returned from the data in p->rdata.
52 ********************************************************************/
54 static BOOL create_next_pdu_ntlmssp(pipes_struct *p)
56 RPC_HDR_RESP hdr_resp;
57 uint32 ss_padding_len = 0;
58 uint32 data_space_available;
61 prs_struct outgoing_pdu;
64 RPC_HDR_AUTH auth_info;
65 uint8 auth_type, auth_level;
66 AUTH_NTLMSSP_STATE *a = p->auth.a_u.auth_ntlmssp_state;
69 * If we're in the fault state, keep returning fault PDU's until
70 * the pipe gets closed. JRA.
74 setup_fault_pdu(p, NT_STATUS(0x1c010002));
78 memset((char *)&hdr_resp, '\0', sizeof(hdr_resp));
80 /* Change the incoming request header to a response. */
81 p->hdr.pkt_type = RPC_RESPONSE;
83 /* Set up rpc header flags. */
84 if (p->out_data.data_sent_length == 0) {
85 p->hdr.flags = RPC_FLG_FIRST;
91 * Work out how much we can fit in a single PDU.
94 data_len_left = prs_offset(&p->out_data.rdata) - p->out_data.data_sent_length;
97 * Ensure there really is data left to send.
101 DEBUG(0,("create_next_pdu_ntlmssp: no data left to send !\n"));
105 data_space_available = sizeof(p->out_data.current_pdu) - RPC_HEADER_LEN - RPC_HDR_RESP_LEN -
106 RPC_HDR_AUTH_LEN - NTLMSSP_SIG_SIZE;
109 * The amount we send is the minimum of the available
110 * space and the amount left to send.
113 data_len = MIN(data_len_left, data_space_available);
116 * Set up the alloc hint. This should be the data left to
120 hdr_resp.alloc_hint = data_len_left;
123 * Work out if this PDU will be the last.
126 if(p->out_data.data_sent_length + data_len >= prs_offset(&p->out_data.rdata)) {
127 p->hdr.flags |= RPC_FLG_LAST;
128 if (data_len_left % 8) {
129 ss_padding_len = 8 - (data_len_left % 8);
130 DEBUG(10,("create_next_pdu_ntlmssp: adding sign/seal padding of %u\n",
136 * Set up the header lengths.
139 p->hdr.frag_len = RPC_HEADER_LEN + RPC_HDR_RESP_LEN +
140 data_len + ss_padding_len +
141 RPC_HDR_AUTH_LEN + NTLMSSP_SIG_SIZE;
142 p->hdr.auth_len = NTLMSSP_SIG_SIZE;
146 * Init the parse struct to point at the outgoing
150 prs_init( &outgoing_pdu, 0, p->mem_ctx, MARSHALL);
151 prs_give_memory( &outgoing_pdu, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
153 /* Store the header in the data stream. */
154 if(!smb_io_rpc_hdr("hdr", &p->hdr, &outgoing_pdu, 0)) {
155 DEBUG(0,("create_next_pdu_ntlmssp: failed to marshall RPC_HDR.\n"));
156 prs_mem_free(&outgoing_pdu);
160 if(!smb_io_rpc_hdr_resp("resp", &hdr_resp, &outgoing_pdu, 0)) {
161 DEBUG(0,("create_next_pdu_ntlmssp: failed to marshall RPC_HDR_RESP.\n"));
162 prs_mem_free(&outgoing_pdu);
166 /* Copy the data into the PDU. */
168 if(!prs_append_some_prs_data(&outgoing_pdu, &p->out_data.rdata, p->out_data.data_sent_length, data_len)) {
169 DEBUG(0,("create_next_pdu_ntlmssp: failed to copy %u bytes of data.\n", (unsigned int)data_len));
170 prs_mem_free(&outgoing_pdu);
174 /* Copy the sign/seal padding data. */
175 if (ss_padding_len) {
178 memset(pad, '\0', 8);
179 if (!prs_copy_data_in(&outgoing_pdu, pad, ss_padding_len)) {
180 DEBUG(0,("create_next_pdu_ntlmssp: failed to add %u bytes of pad data.\n",
181 (unsigned int)ss_padding_len));
182 prs_mem_free(&outgoing_pdu);
188 /* Now write out the auth header and null blob. */
189 if (p->auth.auth_type == PIPE_AUTH_TYPE_NTLMSSP) {
190 auth_type = RPC_NTLMSSP_AUTH_TYPE;
192 auth_type = RPC_SPNEGO_AUTH_TYPE;
194 if (p->auth.auth_level == PIPE_AUTH_LEVEL_PRIVACY) {
195 auth_level = RPC_AUTH_LEVEL_PRIVACY;
197 auth_level = RPC_AUTH_LEVEL_INTEGRITY;
200 init_rpc_hdr_auth(&auth_info, auth_type, auth_level, ss_padding_len, 1 /* context id. */);
201 if(!smb_io_rpc_hdr_auth("hdr_auth", &auth_info, &outgoing_pdu, 0)) {
202 DEBUG(0,("create_next_pdu_ntlmssp: failed to marshall RPC_HDR_AUTH.\n"));
203 prs_mem_free(&outgoing_pdu);
207 /* Generate the sign blob. */
209 switch (p->auth.auth_level) {
210 case PIPE_AUTH_LEVEL_PRIVACY:
211 /* Data portion is encrypted. */
212 status = ntlmssp_seal_packet(a->ntlmssp_state,
213 (unsigned char *)prs_data_p(&outgoing_pdu) + RPC_HEADER_LEN + RPC_HDR_RESP_LEN,
214 data_len + ss_padding_len,
215 (unsigned char *)prs_data_p(&outgoing_pdu),
216 (size_t)prs_offset(&outgoing_pdu),
218 if (!NT_STATUS_IS_OK(status)) {
219 data_blob_free(&auth_blob);
220 prs_mem_free(&outgoing_pdu);
224 case PIPE_AUTH_LEVEL_INTEGRITY:
225 /* Data is signed. */
226 status = ntlmssp_sign_packet(a->ntlmssp_state,
227 (unsigned char *)prs_data_p(&outgoing_pdu) + RPC_HEADER_LEN + RPC_HDR_RESP_LEN,
228 data_len + ss_padding_len,
229 (unsigned char *)prs_data_p(&outgoing_pdu),
230 (size_t)prs_offset(&outgoing_pdu),
232 if (!NT_STATUS_IS_OK(status)) {
233 data_blob_free(&auth_blob);
234 prs_mem_free(&outgoing_pdu);
239 prs_mem_free(&outgoing_pdu);
243 /* Append the auth blob. */
244 if (!prs_copy_data_in(&outgoing_pdu, (char *)auth_blob.data, NTLMSSP_SIG_SIZE)) {
245 DEBUG(0,("create_next_pdu_ntlmssp: failed to add %u bytes auth blob.\n",
246 (unsigned int)NTLMSSP_SIG_SIZE));
247 data_blob_free(&auth_blob);
248 prs_mem_free(&outgoing_pdu);
252 data_blob_free(&auth_blob);
255 * Setup the counts for this PDU.
258 p->out_data.data_sent_length += data_len;
259 p->out_data.current_pdu_len = p->hdr.frag_len;
260 p->out_data.current_pdu_sent = 0;
262 prs_mem_free(&outgoing_pdu);
266 /*******************************************************************
267 Generate the next PDU to be returned from the data in p->rdata.
268 Return an schannel authenticated fragment.
269 ********************************************************************/
271 static BOOL create_next_pdu_schannel(pipes_struct *p)
273 RPC_HDR_RESP hdr_resp;
274 uint32 ss_padding_len = 0;
276 uint32 data_space_available;
277 uint32 data_len_left;
278 prs_struct outgoing_pdu;
282 * If we're in the fault state, keep returning fault PDU's until
283 * the pipe gets closed. JRA.
287 setup_fault_pdu(p, NT_STATUS(0x1c010002));
291 memset((char *)&hdr_resp, '\0', sizeof(hdr_resp));
293 /* Change the incoming request header to a response. */
294 p->hdr.pkt_type = RPC_RESPONSE;
296 /* Set up rpc header flags. */
297 if (p->out_data.data_sent_length == 0) {
298 p->hdr.flags = RPC_FLG_FIRST;
304 * Work out how much we can fit in a single PDU.
307 data_len_left = prs_offset(&p->out_data.rdata) - p->out_data.data_sent_length;
310 * Ensure there really is data left to send.
314 DEBUG(0,("create_next_pdu_schannel: no data left to send !\n"));
318 data_space_available = sizeof(p->out_data.current_pdu) - RPC_HEADER_LEN - RPC_HDR_RESP_LEN -
319 RPC_HDR_AUTH_LEN - RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN;
322 * The amount we send is the minimum of the available
323 * space and the amount left to send.
326 data_len = MIN(data_len_left, data_space_available);
329 * Set up the alloc hint. This should be the data left to
333 hdr_resp.alloc_hint = data_len_left;
336 * Work out if this PDU will be the last.
339 if(p->out_data.data_sent_length + data_len >= prs_offset(&p->out_data.rdata)) {
340 p->hdr.flags |= RPC_FLG_LAST;
341 if (data_len_left % 8) {
342 ss_padding_len = 8 - (data_len_left % 8);
343 DEBUG(10,("create_next_pdu_schannel: adding sign/seal padding of %u\n",
348 p->hdr.frag_len = RPC_HEADER_LEN + RPC_HDR_RESP_LEN + data_len + ss_padding_len +
349 RPC_HDR_AUTH_LEN + RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN;
350 p->hdr.auth_len = RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN;
353 * Init the parse struct to point at the outgoing
357 prs_init( &outgoing_pdu, 0, p->mem_ctx, MARSHALL);
358 prs_give_memory( &outgoing_pdu, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
360 /* Store the header in the data stream. */
361 if(!smb_io_rpc_hdr("hdr", &p->hdr, &outgoing_pdu, 0)) {
362 DEBUG(0,("create_next_pdu_schannel: failed to marshall RPC_HDR.\n"));
363 prs_mem_free(&outgoing_pdu);
367 if(!smb_io_rpc_hdr_resp("resp", &hdr_resp, &outgoing_pdu, 0)) {
368 DEBUG(0,("create_next_pdu_schannel: failed to marshall RPC_HDR_RESP.\n"));
369 prs_mem_free(&outgoing_pdu);
373 /* Store the current offset. */
374 data_pos = prs_offset(&outgoing_pdu);
376 /* Copy the data into the PDU. */
378 if(!prs_append_some_prs_data(&outgoing_pdu, &p->out_data.rdata, p->out_data.data_sent_length, data_len)) {
379 DEBUG(0,("create_next_pdu_schannel: failed to copy %u bytes of data.\n", (unsigned int)data_len));
380 prs_mem_free(&outgoing_pdu);
384 /* Copy the sign/seal padding data. */
385 if (ss_padding_len) {
387 memset(pad, '\0', 8);
388 if (!prs_copy_data_in(&outgoing_pdu, pad, ss_padding_len)) {
389 DEBUG(0,("create_next_pdu_schannel: failed to add %u bytes of pad data.\n", (unsigned int)ss_padding_len));
390 prs_mem_free(&outgoing_pdu);
397 * Schannel processing.
400 RPC_HDR_AUTH auth_info;
401 RPC_AUTH_SCHANNEL_CHK verf;
403 data = prs_data_p(&outgoing_pdu) + data_pos;
404 /* Check it's the type of reply we were expecting to decode */
406 init_rpc_hdr_auth(&auth_info,
407 RPC_SCHANNEL_AUTH_TYPE,
408 p->auth.auth_level == PIPE_AUTH_LEVEL_PRIVACY ?
409 RPC_AUTH_LEVEL_PRIVACY : RPC_AUTH_LEVEL_INTEGRITY,
412 if(!smb_io_rpc_hdr_auth("hdr_auth", &auth_info, &outgoing_pdu, 0)) {
413 DEBUG(0,("create_next_pdu_schannel: failed to marshall RPC_HDR_AUTH.\n"));
414 prs_mem_free(&outgoing_pdu);
418 schannel_encode(p->auth.a_u.schannel_auth,
421 &verf, data, data_len + ss_padding_len);
423 if (!smb_io_rpc_auth_schannel_chk("", RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN,
424 &verf, &outgoing_pdu, 0)) {
425 prs_mem_free(&outgoing_pdu);
429 p->auth.a_u.schannel_auth->seq_num++;
433 * Setup the counts for this PDU.
436 p->out_data.data_sent_length += data_len;
437 p->out_data.current_pdu_len = p->hdr.frag_len;
438 p->out_data.current_pdu_sent = 0;
440 prs_mem_free(&outgoing_pdu);
444 /*******************************************************************
445 Generate the next PDU to be returned from the data in p->rdata.
446 No authentication done.
447 ********************************************************************/
449 static BOOL create_next_pdu_noauth(pipes_struct *p)
451 RPC_HDR_RESP hdr_resp;
453 uint32 data_space_available;
454 uint32 data_len_left;
455 prs_struct outgoing_pdu;
458 * If we're in the fault state, keep returning fault PDU's until
459 * the pipe gets closed. JRA.
463 setup_fault_pdu(p, NT_STATUS(0x1c010002));
467 memset((char *)&hdr_resp, '\0', sizeof(hdr_resp));
469 /* Change the incoming request header to a response. */
470 p->hdr.pkt_type = RPC_RESPONSE;
472 /* Set up rpc header flags. */
473 if (p->out_data.data_sent_length == 0) {
474 p->hdr.flags = RPC_FLG_FIRST;
480 * Work out how much we can fit in a single PDU.
483 data_len_left = prs_offset(&p->out_data.rdata) - p->out_data.data_sent_length;
486 * Ensure there really is data left to send.
490 DEBUG(0,("create_next_pdu_noath: no data left to send !\n"));
494 data_space_available = sizeof(p->out_data.current_pdu) - RPC_HEADER_LEN - RPC_HDR_RESP_LEN;
497 * The amount we send is the minimum of the available
498 * space and the amount left to send.
501 data_len = MIN(data_len_left, data_space_available);
504 * Set up the alloc hint. This should be the data left to
508 hdr_resp.alloc_hint = data_len_left;
511 * Work out if this PDU will be the last.
514 if(p->out_data.data_sent_length + data_len >= prs_offset(&p->out_data.rdata)) {
515 p->hdr.flags |= RPC_FLG_LAST;
519 * Set up the header lengths.
522 p->hdr.frag_len = RPC_HEADER_LEN + RPC_HDR_RESP_LEN + data_len;
526 * Init the parse struct to point at the outgoing
530 prs_init( &outgoing_pdu, 0, p->mem_ctx, MARSHALL);
531 prs_give_memory( &outgoing_pdu, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
533 /* Store the header in the data stream. */
534 if(!smb_io_rpc_hdr("hdr", &p->hdr, &outgoing_pdu, 0)) {
535 DEBUG(0,("create_next_pdu_noath: failed to marshall RPC_HDR.\n"));
536 prs_mem_free(&outgoing_pdu);
540 if(!smb_io_rpc_hdr_resp("resp", &hdr_resp, &outgoing_pdu, 0)) {
541 DEBUG(0,("create_next_pdu_noath: failed to marshall RPC_HDR_RESP.\n"));
542 prs_mem_free(&outgoing_pdu);
546 /* Copy the data into the PDU. */
548 if(!prs_append_some_prs_data(&outgoing_pdu, &p->out_data.rdata, p->out_data.data_sent_length, data_len)) {
549 DEBUG(0,("create_next_pdu_noauth: failed to copy %u bytes of data.\n", (unsigned int)data_len));
550 prs_mem_free(&outgoing_pdu);
555 * Setup the counts for this PDU.
558 p->out_data.data_sent_length += data_len;
559 p->out_data.current_pdu_len = p->hdr.frag_len;
560 p->out_data.current_pdu_sent = 0;
562 prs_mem_free(&outgoing_pdu);
566 /*******************************************************************
567 Generate the next PDU to be returned from the data in p->rdata.
568 ********************************************************************/
570 BOOL create_next_pdu(pipes_struct *p)
572 switch(p->auth.auth_level) {
573 case PIPE_AUTH_LEVEL_NONE:
574 case PIPE_AUTH_LEVEL_CONNECT:
575 /* This is incorrect for auth level connect. Fixme. JRA */
576 return create_next_pdu_noauth(p);
579 switch(p->auth.auth_type) {
580 case PIPE_AUTH_TYPE_NTLMSSP:
581 case PIPE_AUTH_TYPE_SPNEGO_NTLMSSP:
582 return create_next_pdu_ntlmssp(p);
583 case PIPE_AUTH_TYPE_SCHANNEL:
584 return create_next_pdu_schannel(p);
590 DEBUG(0,("create_next_pdu: invalid internal auth level %u / type %u",
591 (unsigned int)p->auth.auth_level,
592 (unsigned int)p->auth.auth_type));
596 /*******************************************************************
597 Process an NTLMSSP authentication response.
598 If this function succeeds, the user has been authenticated
599 and their domain, name and calling workstation stored in
601 *******************************************************************/
603 static BOOL pipe_ntlmssp_verify_final(pipes_struct *p, DATA_BLOB *p_resp_blob)
607 AUTH_NTLMSSP_STATE *a = p->auth.a_u.auth_ntlmssp_state;
609 DEBUG(5,("pipe_ntlmssp_verify_final: checking user details\n"));
613 memset(p->user_name, '\0', sizeof(p->user_name));
614 memset(p->pipe_user_name, '\0', sizeof(p->pipe_user_name));
615 memset(p->domain, '\0', sizeof(p->domain));
616 memset(p->wks, '\0', sizeof(p->wks));
618 /* Set up for non-authenticated user. */
619 delete_nt_token(&p->pipe_user.nt_user_token);
620 p->pipe_user.ngroups = 0;
621 SAFE_FREE( p->pipe_user.groups);
623 status = auth_ntlmssp_update(a, *p_resp_blob, &reply);
625 /* Don't generate a reply. */
626 data_blob_free(&reply);
628 if (!NT_STATUS_IS_OK(status)) {
632 fstrcpy(p->user_name, a->ntlmssp_state->user);
633 fstrcpy(p->pipe_user_name, a->server_info->unix_name);
634 fstrcpy(p->domain, a->ntlmssp_state->domain);
635 fstrcpy(p->wks, a->ntlmssp_state->workstation);
637 DEBUG(5,("pipe_ntlmssp_verify_final: OK: user: %s domain: %s workstation: %s\n",
638 p->user_name, p->domain, p->wks));
641 * Store the UNIX credential data (uid/gid pair) in the pipe structure.
644 p->pipe_user.uid = a->server_info->uid;
645 p->pipe_user.gid = a->server_info->gid;
648 * Copy the session key from the ntlmssp state.
651 data_blob_free(&p->session_key);
652 p->session_key = data_blob(a->ntlmssp_state->session_key.data, a->ntlmssp_state->session_key.length);
653 if (!p->session_key.data) {
657 p->pipe_user.ngroups = a->server_info->n_groups;
658 if (p->pipe_user.ngroups) {
659 if (!(p->pipe_user.groups = memdup(a->server_info->groups, sizeof(gid_t) * p->pipe_user.ngroups))) {
660 DEBUG(0,("failed to memdup group list to p->pipe_user.groups\n"));
665 if (a->server_info->ptok) {
666 p->pipe_user.nt_user_token = dup_nt_token(a->server_info->ptok);
668 DEBUG(1,("Error: Authmodule failed to provide nt_user_token\n"));
669 p->pipe_user.nt_user_token = NULL;
676 /*******************************************************************
677 The switch table for the pipe names and the functions to handle them.
678 *******************************************************************/
685 struct api_struct *cmds;
689 static struct rpc_table *rpc_lookup;
690 static int rpc_lookup_size;
692 /*******************************************************************
693 This is the "stage3" NTLMSSP response after a bind request and reply.
694 *******************************************************************/
696 BOOL api_pipe_bind_auth3(pipes_struct *p, prs_struct *rpc_in_p)
698 RPC_HDR_AUTH auth_info;
704 DEBUG(5,("api_pipe_bind_auth3: decode request. %d\n", __LINE__));
706 if (p->hdr.auth_len == 0) {
707 DEBUG(0,("api_pipe_bind_auth3: No auth field sent !\n"));
711 /* 4 bytes padding. */
712 if (!prs_uint32("pad", rpc_in_p, 0, &pad)) {
713 DEBUG(0,("api_pipe_bind_auth3: unmarshall of 4 byte pad failed.\n"));
718 * Decode the authentication verifier response.
721 if(!smb_io_rpc_hdr_auth("", &auth_info, rpc_in_p, 0)) {
722 DEBUG(0,("api_pipe_bind_auth3: unmarshall of RPC_HDR_AUTH failed.\n"));
726 if (auth_info.auth_type != RPC_NTLMSSP_AUTH_TYPE) {
727 DEBUG(0,("api_pipe_bind_auth3: incorrect auth type (%u).\n",
728 (unsigned int)auth_info.auth_type ));
732 blob = data_blob(NULL,p->hdr.auth_len);
734 if (!prs_copy_data_out((char *)blob.data, rpc_in_p, p->hdr.auth_len)) {
735 DEBUG(0,("api_pipe_bind_auth3: Failed to pull %u bytes - the response blob.\n",
736 (unsigned int)p->hdr.auth_len ));
741 * The following call actually checks the challenge/response data.
742 * for correctness against the given DOMAIN\user name.
745 if (!pipe_ntlmssp_verify_final(p, &blob)) {
749 data_blob_free(&blob);
751 p->pipe_bound = True;
757 data_blob_free(&blob);
758 free_pipe_ntlmssp_auth_data(&p->auth);
759 p->auth.a_u.auth_ntlmssp_state = NULL;
764 /*******************************************************************
765 Marshall a bind_nak pdu.
766 *******************************************************************/
768 static BOOL setup_bind_nak(pipes_struct *p)
770 prs_struct outgoing_rpc;
774 /* Free any memory in the current return data buffer. */
775 prs_mem_free(&p->out_data.rdata);
778 * Marshall directly into the outgoing PDU space. We
779 * must do this as we need to set to the bind response
780 * header and are never sending more than one PDU here.
783 prs_init( &outgoing_rpc, 0, p->mem_ctx, MARSHALL);
784 prs_give_memory( &outgoing_rpc, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
787 * Initialize a bind_nak header.
790 init_rpc_hdr(&nak_hdr, RPC_BINDNACK, RPC_FLG_FIRST | RPC_FLG_LAST,
791 p->hdr.call_id, RPC_HEADER_LEN + sizeof(uint16), 0);
794 * Marshall the header into the outgoing PDU.
797 if(!smb_io_rpc_hdr("", &nak_hdr, &outgoing_rpc, 0)) {
798 DEBUG(0,("setup_bind_nak: marshalling of RPC_HDR failed.\n"));
799 prs_mem_free(&outgoing_rpc);
804 * Now add the reject reason.
807 if(!prs_uint16("reject code", &outgoing_rpc, 0, &zero)) {
808 prs_mem_free(&outgoing_rpc);
812 p->out_data.data_sent_length = 0;
813 p->out_data.current_pdu_len = prs_offset(&outgoing_rpc);
814 p->out_data.current_pdu_sent = 0;
816 if (p->auth.auth_data_free_func) {
817 (*p->auth.auth_data_free_func)(&p->auth);
819 p->auth.auth_level = PIPE_AUTH_LEVEL_NONE;
820 p->auth.auth_type = PIPE_AUTH_TYPE_NONE;
821 p->pipe_bound = False;
826 /*******************************************************************
827 Marshall a fault pdu.
828 *******************************************************************/
830 BOOL setup_fault_pdu(pipes_struct *p, NTSTATUS status)
832 prs_struct outgoing_pdu;
834 RPC_HDR_RESP hdr_resp;
835 RPC_HDR_FAULT fault_resp;
837 /* Free any memory in the current return data buffer. */
838 prs_mem_free(&p->out_data.rdata);
841 * Marshall directly into the outgoing PDU space. We
842 * must do this as we need to set to the bind response
843 * header and are never sending more than one PDU here.
846 prs_init( &outgoing_pdu, 0, p->mem_ctx, MARSHALL);
847 prs_give_memory( &outgoing_pdu, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
850 * Initialize a fault header.
853 init_rpc_hdr(&fault_hdr, RPC_FAULT, RPC_FLG_FIRST | RPC_FLG_LAST | RPC_FLG_NOCALL,
854 p->hdr.call_id, RPC_HEADER_LEN + RPC_HDR_RESP_LEN + RPC_HDR_FAULT_LEN, 0);
857 * Initialize the HDR_RESP and FAULT parts of the PDU.
860 memset((char *)&hdr_resp, '\0', sizeof(hdr_resp));
862 fault_resp.status = status;
863 fault_resp.reserved = 0;
866 * Marshall the header into the outgoing PDU.
869 if(!smb_io_rpc_hdr("", &fault_hdr, &outgoing_pdu, 0)) {
870 DEBUG(0,("setup_fault_pdu: marshalling of RPC_HDR failed.\n"));
871 prs_mem_free(&outgoing_pdu);
875 if(!smb_io_rpc_hdr_resp("resp", &hdr_resp, &outgoing_pdu, 0)) {
876 DEBUG(0,("setup_fault_pdu: failed to marshall RPC_HDR_RESP.\n"));
877 prs_mem_free(&outgoing_pdu);
881 if(!smb_io_rpc_hdr_fault("fault", &fault_resp, &outgoing_pdu, 0)) {
882 DEBUG(0,("setup_fault_pdu: failed to marshall RPC_HDR_FAULT.\n"));
883 prs_mem_free(&outgoing_pdu);
887 p->out_data.data_sent_length = 0;
888 p->out_data.current_pdu_len = prs_offset(&outgoing_pdu);
889 p->out_data.current_pdu_sent = 0;
891 prs_mem_free(&outgoing_pdu);
896 /*******************************************************************
897 Marshall a cancel_ack pdu.
898 We should probably check the auth-verifier here.
899 *******************************************************************/
901 BOOL setup_cancel_ack_reply(pipes_struct *p, prs_struct *rpc_in_p)
903 prs_struct outgoing_pdu;
904 RPC_HDR ack_reply_hdr;
906 /* Free any memory in the current return data buffer. */
907 prs_mem_free(&p->out_data.rdata);
910 * Marshall directly into the outgoing PDU space. We
911 * must do this as we need to set to the bind response
912 * header and are never sending more than one PDU here.
915 prs_init( &outgoing_pdu, 0, p->mem_ctx, MARSHALL);
916 prs_give_memory( &outgoing_pdu, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
919 * Initialize a cancel_ack header.
922 init_rpc_hdr(&ack_reply_hdr, RPC_CANCEL_ACK, RPC_FLG_FIRST | RPC_FLG_LAST,
923 p->hdr.call_id, RPC_HEADER_LEN, 0);
926 * Marshall the header into the outgoing PDU.
929 if(!smb_io_rpc_hdr("", &ack_reply_hdr, &outgoing_pdu, 0)) {
930 DEBUG(0,("setup_cancel_ack_reply: marshalling of RPC_HDR failed.\n"));
931 prs_mem_free(&outgoing_pdu);
935 p->out_data.data_sent_length = 0;
936 p->out_data.current_pdu_len = prs_offset(&outgoing_pdu);
937 p->out_data.current_pdu_sent = 0;
939 prs_mem_free(&outgoing_pdu);
944 /*******************************************************************
945 Ensure a bind request has the correct abstract & transfer interface.
946 Used to reject unknown binds from Win2k.
947 *******************************************************************/
949 BOOL check_bind_req(struct pipes_struct *p, RPC_IFACE* abstract,
950 RPC_IFACE* transfer, uint32 context_id)
952 char *pipe_name = p->name;
956 fstrcpy(pname,"\\PIPE\\");
957 fstrcat(pname,pipe_name);
959 DEBUG(3,("check_bind_req for %s\n", pname));
961 /* we have to check all now since win2k introduced a new UUID on the lsaprpc pipe */
963 for ( i=0; pipe_names[i].client_pipe; i++ ) {
964 DEBUG(10,("checking %s\n", pipe_names[i].client_pipe));
965 if ( strequal(pipe_names[i].client_pipe, pname)
966 && (abstract->version == pipe_names[i].abstr_syntax.version)
967 && (memcmp(&abstract->uuid, &pipe_names[i].abstr_syntax.uuid, sizeof(struct uuid)) == 0)
968 && (transfer->version == pipe_names[i].trans_syntax.version)
969 && (memcmp(&transfer->uuid, &pipe_names[i].trans_syntax.uuid, sizeof(struct uuid)) == 0) ) {
970 struct api_struct *fns = NULL;
972 PIPE_RPC_FNS *context_fns;
974 if ( !(context_fns = SMB_MALLOC_P(PIPE_RPC_FNS)) ) {
975 DEBUG(0,("check_bind_req: malloc() failed!\n"));
979 /* save the RPC function table associated with this bind */
981 get_pipe_fns(i, &fns, &n_fns);
983 context_fns->cmds = fns;
984 context_fns->n_cmds = n_fns;
985 context_fns->context_id = context_id;
987 /* add to the list of open contexts */
989 DLIST_ADD( p->contexts, context_fns );
995 if(pipe_names[i].client_pipe == NULL) {
1002 /*******************************************************************
1003 Register commands to an RPC pipe
1004 *******************************************************************/
1006 NTSTATUS rpc_pipe_register_commands(int version, const char *clnt, const char *srv, const struct api_struct *cmds, int size)
1008 struct rpc_table *rpc_entry;
1010 if (!clnt || !srv || !cmds) {
1011 return NT_STATUS_INVALID_PARAMETER;
1014 if (version != SMB_RPC_INTERFACE_VERSION) {
1015 DEBUG(0,("Can't register rpc commands!\n"
1016 "You tried to register a rpc module with SMB_RPC_INTERFACE_VERSION %d"
1017 ", while this version of samba uses version %d!\n",
1018 version,SMB_RPC_INTERFACE_VERSION));
1019 return NT_STATUS_OBJECT_TYPE_MISMATCH;
1024 * we still need to make sure that don't register the same commands twice!!!
1029 /* We use a temporary variable because this call can fail and
1030 rpc_lookup will still be valid afterwards. It could then succeed if
1031 called again later */
1033 rpc_entry = SMB_REALLOC_ARRAY(rpc_lookup, struct rpc_table, rpc_lookup_size);
1034 if (NULL == rpc_entry) {
1036 DEBUG(0, ("rpc_pipe_register_commands: memory allocation failed\n"));
1037 return NT_STATUS_NO_MEMORY;
1039 rpc_lookup = rpc_entry;
1042 rpc_entry = rpc_lookup + (rpc_lookup_size - 1);
1043 ZERO_STRUCTP(rpc_entry);
1044 rpc_entry->pipe.clnt = SMB_STRDUP(clnt);
1045 rpc_entry->pipe.srv = SMB_STRDUP(srv);
1046 rpc_entry->cmds = SMB_REALLOC_ARRAY(rpc_entry->cmds, struct api_struct, rpc_entry->n_cmds + size);
1047 memcpy(rpc_entry->cmds + rpc_entry->n_cmds, cmds, size * sizeof(struct api_struct));
1048 rpc_entry->n_cmds += size;
1050 return NT_STATUS_OK;
1053 /*******************************************************************
1054 Handle a SPNEGO krb5 bind auth.
1055 *******************************************************************/
1057 static BOOL pipe_spnego_auth_bind_kerberos(pipes_struct *p, prs_struct *rpc_in_p, RPC_HDR_AUTH *pauth_info,
1058 DATA_BLOB *psecblob, prs_struct *pout_auth)
1063 /*******************************************************************
1064 Handle the first part of a SPNEGO bind auth.
1065 *******************************************************************/
1067 static BOOL pipe_spnego_auth_bind_negotiate(pipes_struct *p, prs_struct *rpc_in_p,
1068 RPC_HDR_AUTH *pauth_info, prs_struct *pout_auth)
1074 char *OIDs[ASN1_MAX_OIDS];
1077 BOOL got_kerberos_mechanism = False;
1078 AUTH_NTLMSSP_STATE *a = NULL;
1079 RPC_HDR_AUTH auth_info;
1081 ZERO_STRUCT(secblob);
1083 ZERO_STRUCT(response);
1085 /* Grab the SPNEGO blob. */
1086 blob = data_blob(NULL,p->hdr.auth_len);
1088 if (!prs_copy_data_out((char *)blob.data, rpc_in_p, p->hdr.auth_len)) {
1089 DEBUG(0,("pipe_spnego_auth_bind_negotiate: Failed to pull %u bytes - the SPNEGO auth header.\n",
1090 (unsigned int)p->hdr.auth_len ));
1094 if (blob.data[0] != ASN1_APPLICATION(0)) {
1098 /* parse out the OIDs and the first sec blob */
1099 if (!parse_negTokenTarg(blob, OIDs, &secblob)) {
1100 DEBUG(0,("pipe_spnego_auth_bind_negotiate: Failed to parse the security blob.\n"));
1104 if (strcmp(OID_KERBEROS5, OIDs[0]) == 0 || strcmp(OID_KERBEROS5_OLD, OIDs[0]) == 0) {
1105 got_kerberos_mechanism = True;
1108 for (i=0;OIDs[i];i++) {
1109 DEBUG(3,("pipe_spnego_auth_bind_negotiate: Got OID %s\n", OIDs[i]));
1112 DEBUG(3,("pipe_spnego_auth_bind_negotiate: Got secblob of size %lu\n", (unsigned long)secblob.length));
1114 if ( got_kerberos_mechanism && ((lp_security()==SEC_ADS) || lp_use_kerberos_keytab()) ) {
1115 BOOL ret = pipe_spnego_auth_bind_kerberos(p, rpc_in_p, pauth_info, &secblob, pout_auth);
1116 data_blob_free(&secblob);
1117 data_blob_free(&blob);
1121 if (p->auth.auth_type == PIPE_AUTH_TYPE_SPNEGO_NTLMSSP && p->auth.a_u.auth_ntlmssp_state) {
1122 /* Free any previous auth type. */
1123 free_pipe_ntlmssp_auth_data(&p->auth);
1126 /* Initialize the NTLM engine. */
1127 status = auth_ntlmssp_start(&a);
1128 if (!NT_STATUS_IS_OK(status)) {
1133 * Pass the first security blob of data to it.
1134 * This can return an error or NT_STATUS_MORE_PROCESSING_REQUIRED
1135 * which means we need another packet to complete the bind.
1138 status = auth_ntlmssp_update(a, secblob, &chal);
1140 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1141 DEBUG(3,("pipe_spnego_auth_bind_negotiate: auth_ntlmssp_update failed.\n"));
1145 /* Generate the response blob we need for step 2 of the bind. */
1146 response = spnego_gen_auth_response(&chal, status, OID_NTLMSSP);
1148 /* Copy the blob into the pout_auth parse struct */
1149 init_rpc_hdr_auth(&auth_info, RPC_SPNEGO_AUTH_TYPE, pauth_info->auth_level, RPC_HDR_AUTH_LEN, 1);
1150 if(!smb_io_rpc_hdr_auth("", &auth_info, pout_auth, 0)) {
1151 DEBUG(0,("pipe_spnego_auth_bind_negotiate: marshalling of RPC_HDR_AUTH failed.\n"));
1155 if (!prs_copy_data_in(pout_auth, (char *)response.data, response.length)) {
1156 DEBUG(0,("pipe_spnego_auth_bind_negotiate: marshalling of data blob failed.\n"));
1160 p->auth.a_u.auth_ntlmssp_state = a;
1161 p->auth.auth_data_free_func = &free_pipe_ntlmssp_auth_data;
1162 p->auth.auth_type = PIPE_AUTH_TYPE_SPNEGO_NTLMSSP;
1164 data_blob_free(&blob);
1165 data_blob_free(&secblob);
1166 data_blob_free(&chal);
1167 data_blob_free(&response);
1169 /* We can't set pipe_bound True yet - we need an RPC_ALTER_CONTEXT response packet... */
1174 data_blob_free(&blob);
1175 data_blob_free(&secblob);
1176 data_blob_free(&chal);
1177 data_blob_free(&response);
1179 p->auth.a_u.auth_ntlmssp_state = NULL;
1184 /*******************************************************************
1185 Handle the second part of a SPNEGO bind auth.
1186 *******************************************************************/
1188 static BOOL pipe_spnego_auth_bind_continue(pipes_struct *p, prs_struct *rpc_in_p,
1189 RPC_HDR_AUTH *pauth_info, prs_struct *pout_auth)
1191 DATA_BLOB spnego_blob, auth_blob, auth_reply;
1192 AUTH_NTLMSSP_STATE *a = p->auth.a_u.auth_ntlmssp_state;
1194 ZERO_STRUCT(spnego_blob);
1195 ZERO_STRUCT(auth_blob);
1196 ZERO_STRUCT(auth_reply);
1198 if (p->auth.auth_type != PIPE_AUTH_TYPE_SPNEGO_NTLMSSP || !a) {
1199 DEBUG(0,("pipe_spnego_auth_bind_continue: not in NTLMSSP auth state.\n"));
1203 /* Grab the SPNEGO blob. */
1204 spnego_blob = data_blob(NULL,p->hdr.auth_len);
1206 if (!prs_copy_data_out((char *)spnego_blob.data, rpc_in_p, p->hdr.auth_len)) {
1207 DEBUG(0,("pipe_spnego_auth_bind_continue: Failed to pull %u bytes - the SPNEGO auth header.\n",
1208 (unsigned int)p->hdr.auth_len ));
1212 if (spnego_blob.data[0] != ASN1_CONTEXT(1)) {
1213 DEBUG(0,("pipe_spnego_auth_bind_continue: invalid SPNEGO blob type.\n"));
1217 if (!spnego_parse_auth(spnego_blob, &auth_blob)) {
1218 DEBUG(0,("pipe_spnego_auth_bind_continue: invalid SPNEGO blob.\n"));
1223 * The following call actually checks the challenge/response data.
1224 * for correctness against the given DOMAIN\user name.
1227 if (!pipe_ntlmssp_verify_final(p, &auth_blob)) {
1231 data_blob_free(&spnego_blob);
1232 data_blob_free(&auth_blob);
1233 data_blob_free(&auth_reply);
1235 p->pipe_bound = True;
1241 data_blob_free(&spnego_blob);
1242 data_blob_free(&auth_blob);
1243 data_blob_free(&auth_reply);
1245 free_pipe_ntlmssp_auth_data(&p->auth);
1246 p->auth.a_u.auth_ntlmssp_state = NULL;
1251 /*******************************************************************
1252 Handle an schannel bind auth.
1253 *******************************************************************/
1255 static BOOL pipe_schannel_auth_bind(pipes_struct *p, prs_struct *rpc_in_p,
1256 RPC_HDR_AUTH *pauth_info, prs_struct *pout_auth)
1258 RPC_HDR_AUTH auth_info;
1259 RPC_AUTH_SCHANNEL_NEG neg;
1260 RPC_AUTH_VERIFIER auth_verifier;
1262 struct dcinfo stored_dcinfo;
1265 if (!smb_io_rpc_auth_schannel_neg("", &neg, rpc_in_p, 0)) {
1266 DEBUG(0,("pipe_schannel_auth_bind: Could not unmarshal SCHANNEL auth neg\n"));
1270 ZERO_STRUCT(stored_dcinfo);
1273 ret = secrets_restore_schannel_session_info(p->mem_ctx, neg.myname, &stored_dcinfo);
1277 DEBUG(0, ("pipe_schannel_auth_bind: Attempt to bind using schannel without successful serverauth2\n"));
1281 p->auth.a_u.schannel_auth = TALLOC_P(p->pipe_state_mem_ctx, struct schannel_auth_struct);
1282 if (!p->auth.a_u.schannel_auth) {
1286 memset(p->auth.a_u.schannel_auth->sess_key, 0, sizeof(p->auth.a_u.schannel_auth->sess_key));
1287 memcpy(p->auth.a_u.schannel_auth->sess_key, stored_dcinfo.sess_key, sizeof(stored_dcinfo.sess_key));
1289 p->auth.a_u.schannel_auth->seq_num = 0;
1292 * JRA. Should we also copy the schannel session key into the pipe session key p->session_key
1293 * here ? We do that for NTLMSPP, but the session key is already set up from the vuser
1294 * struct of the person who opened the pipe. I need to test this further. JRA.
1297 /* The client opens a second RPC NETLOGON pipe without
1298 doing a auth2. The credentials for the schannel are
1299 re-used from the auth2 the client did before. */
1300 p->dc = TALLOC_ZERO_P(p->pipe_state_mem_ctx, struct dcinfo);
1304 *p->dc = stored_dcinfo;
1306 init_rpc_hdr_auth(&auth_info, RPC_SCHANNEL_AUTH_TYPE, pauth_info->auth_level, RPC_HDR_AUTH_LEN, 1);
1307 if(!smb_io_rpc_hdr_auth("", &auth_info, pout_auth, 0)) {
1308 DEBUG(0,("pipe_schannel_auth_bind: marshalling of RPC_HDR_AUTH failed.\n"));
1312 /*** SCHANNEL verifier ***/
1314 init_rpc_auth_verifier(&auth_verifier, "\001", 0x0);
1315 if(!smb_io_rpc_schannel_verifier("", &auth_verifier, pout_auth, 0)) {
1316 DEBUG(0,("pipe_schannel_auth_bind: marshalling of RPC_AUTH_VERIFIER failed.\n"));
1320 prs_align(pout_auth);
1323 if(!prs_uint32("flags ", pout_auth, 0, &flags)) {
1327 DEBUG(10,("pipe_schannel_auth_bind: schannel auth: domain [%s] myname [%s]\n",
1328 neg.domain, neg.myname));
1330 /* We're finished with this bind - no more packets. */
1331 p->auth.auth_data_free_func = NULL;
1332 p->auth.auth_type = PIPE_AUTH_TYPE_SCHANNEL;
1334 p->pipe_bound = True;
1339 /*******************************************************************
1340 Handle an NTLMSSP bind auth.
1341 *******************************************************************/
1343 static BOOL pipe_ntlmssp_auth_bind(pipes_struct *p, prs_struct *rpc_in_p,
1344 RPC_HDR_AUTH *pauth_info, prs_struct *pout_auth)
1346 RPC_HDR_AUTH auth_info;
1350 AUTH_NTLMSSP_STATE *a = NULL;
1353 ZERO_STRUCT(response);
1355 /* Grab the NTLMSSP blob. */
1356 blob = data_blob(NULL,p->hdr.auth_len);
1358 if (!prs_copy_data_out((char *)blob.data, rpc_in_p, p->hdr.auth_len)) {
1359 DEBUG(0,("pipe_ntlmssp_auth_bind: Failed to pull %u bytes - the NTLM auth header.\n",
1360 (unsigned int)p->hdr.auth_len ));
1364 if (strncmp((char *)blob.data, "NTLMSSP", 7) != 0) {
1365 DEBUG(0,("pipe_ntlmssp_auth_bind: Failed to read NTLMSSP in blob\n"));
1369 /* We have an NTLMSSP blob. */
1370 status = auth_ntlmssp_start(&a);
1371 if (!NT_STATUS_IS_OK(status)) {
1372 DEBUG(0,("pipe_ntlmssp_auth_bind: auth_ntlmssp_start failed: %s\n",
1373 nt_errstr(status) ));
1377 status = auth_ntlmssp_update(a, blob, &response);
1378 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1379 DEBUG(0,("pipe_ntlmssp_auth_bind: auth_ntlmssp_update failed: %s\n",
1380 nt_errstr(status) ));
1384 data_blob_free(&blob);
1386 /* Copy the blob into the pout_auth parse struct */
1387 init_rpc_hdr_auth(&auth_info, RPC_NTLMSSP_AUTH_TYPE, pauth_info->auth_level, RPC_HDR_AUTH_LEN, 1);
1388 if(!smb_io_rpc_hdr_auth("", &auth_info, pout_auth, 0)) {
1389 DEBUG(0,("pipe_ntlmssp_auth_bind: marshalling of RPC_HDR_AUTH failed.\n"));
1393 if (!prs_copy_data_in(pout_auth, (char *)response.data, response.length)) {
1394 DEBUG(0,("pipe_ntlmssp_auth_bind: marshalling of data blob failed.\n"));
1398 p->auth.a_u.auth_ntlmssp_state = a;
1399 p->auth.auth_data_free_func = &free_pipe_ntlmssp_auth_data;
1400 p->auth.auth_type = PIPE_AUTH_TYPE_NTLMSSP;
1402 data_blob_free(&blob);
1403 data_blob_free(&response);
1405 DEBUG(10,("pipe_ntlmssp_auth_bind: NTLMSSP auth started\n"));
1407 /* We can't set pipe_bound True yet - we need an RPC_AUTH3 response packet... */
1412 data_blob_free(&blob);
1413 data_blob_free(&response);
1415 free_pipe_ntlmssp_auth_data(&p->auth);
1416 p->auth.a_u.auth_ntlmssp_state = NULL;
1420 /*******************************************************************
1421 Respond to a pipe bind request.
1422 *******************************************************************/
1424 BOOL api_pipe_bind_req(pipes_struct *p, prs_struct *rpc_in_p)
1428 RPC_HDR_AUTH auth_info;
1430 fstring ack_pipe_name;
1431 prs_struct out_hdr_ba;
1432 prs_struct out_auth;
1433 prs_struct outgoing_rpc;
1436 unsigned int auth_type = RPC_ANONYMOUS_AUTH_TYPE;
1438 /* No rebinds on a bound pipe - use alter context. */
1439 if (p->pipe_bound) {
1440 DEBUG(2,("api_pipe_bind_req: rejecting bind request on bound pipe %s.\n", p->pipe_srv_name));
1441 return setup_bind_nak(p);
1444 prs_init( &outgoing_rpc, 0, p->mem_ctx, MARSHALL);
1447 * Marshall directly into the outgoing PDU space. We
1448 * must do this as we need to set to the bind response
1449 * header and are never sending more than one PDU here.
1452 prs_give_memory( &outgoing_rpc, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
1455 * Setup the memory to marshall the ba header, and the
1459 if(!prs_init(&out_hdr_ba, 1024, p->mem_ctx, MARSHALL)) {
1460 DEBUG(0,("api_pipe_bind_req: malloc out_hdr_ba failed.\n"));
1461 prs_mem_free(&outgoing_rpc);
1465 if(!prs_init(&out_auth, 1024, p->mem_ctx, MARSHALL)) {
1466 DEBUG(0,("api_pipe_bind_req: malloc out_auth failed.\n"));
1467 prs_mem_free(&outgoing_rpc);
1468 prs_mem_free(&out_hdr_ba);
1472 DEBUG(5,("api_pipe_bind_req: decode request. %d\n", __LINE__));
1475 * Try and find the correct pipe name to ensure
1476 * that this is a pipe name we support.
1480 for (i = 0; i < rpc_lookup_size; i++) {
1481 if (strequal(rpc_lookup[i].pipe.clnt, p->name)) {
1482 DEBUG(3, ("api_pipe_bind_req: \\PIPE\\%s -> \\PIPE\\%s\n",
1483 rpc_lookup[i].pipe.clnt, rpc_lookup[i].pipe.srv));
1484 fstrcpy(p->pipe_srv_name, rpc_lookup[i].pipe.srv);
1489 if (i == rpc_lookup_size) {
1490 if (NT_STATUS_IS_ERR(smb_probe_module("rpc", p->name))) {
1491 DEBUG(3,("api_pipe_bind_req: Unknown pipe name %s in bind request.\n",
1493 prs_mem_free(&outgoing_rpc);
1494 prs_mem_free(&out_hdr_ba);
1495 prs_mem_free(&out_auth);
1497 return setup_bind_nak(p);
1500 for (i = 0; i < rpc_lookup_size; i++) {
1501 if (strequal(rpc_lookup[i].pipe.clnt, p->name)) {
1502 DEBUG(3, ("api_pipe_bind_req: \\PIPE\\%s -> \\PIPE\\%s\n",
1503 rpc_lookup[i].pipe.clnt, rpc_lookup[i].pipe.srv));
1504 fstrcpy(p->pipe_srv_name, rpc_lookup[i].pipe.srv);
1509 if (i == rpc_lookup_size) {
1510 DEBUG(0, ("module %s doesn't provide functions for pipe %s!\n", p->name, p->name));
1515 /* decode the bind request */
1516 if(!smb_io_rpc_hdr_rb("", &hdr_rb, rpc_in_p, 0)) {
1517 DEBUG(0,("api_pipe_bind_req: unable to unmarshall RPC_HDR_RB struct.\n"));
1521 /* name has to be \PIPE\xxxxx */
1522 fstrcpy(ack_pipe_name, "\\PIPE\\");
1523 fstrcat(ack_pipe_name, p->pipe_srv_name);
1525 DEBUG(5,("api_pipe_bind_req: make response. %d\n", __LINE__));
1528 * Check if this is an authenticated bind request.
1531 if (p->hdr.auth_len) {
1533 * Decode the authentication verifier.
1536 if(!smb_io_rpc_hdr_auth("", &auth_info, rpc_in_p, 0)) {
1537 DEBUG(0,("api_pipe_bind_req: unable to unmarshall RPC_HDR_AUTH struct.\n"));
1541 auth_type = auth_info.auth_type;
1543 /* Work out if we have to sign or seal etc. */
1544 switch (auth_info.auth_level) {
1545 case RPC_AUTH_LEVEL_INTEGRITY:
1546 p->auth.auth_level = PIPE_AUTH_LEVEL_INTEGRITY;
1548 case RPC_AUTH_LEVEL_PRIVACY:
1549 p->auth.auth_level = PIPE_AUTH_LEVEL_PRIVACY;
1552 DEBUG(0,("api_pipe_bind_req: unexpected auth level (%u).\n",
1553 (unsigned int)auth_info.auth_level ));
1557 ZERO_STRUCT(auth_info);
1560 assoc_gid = hdr_rb.bba.assoc_gid ? hdr_rb.bba.assoc_gid : 0x53f0;
1563 case RPC_NTLMSSP_AUTH_TYPE:
1564 if (!pipe_ntlmssp_auth_bind(p, rpc_in_p, &auth_info, &out_auth)) {
1570 case RPC_SCHANNEL_AUTH_TYPE:
1571 if (!pipe_schannel_auth_bind(p, rpc_in_p, &auth_info, &out_auth)) {
1576 case RPC_SPNEGO_AUTH_TYPE:
1577 if (!pipe_spnego_auth_bind_negotiate(p, rpc_in_p, &auth_info, &out_auth)) {
1582 case RPC_ANONYMOUS_AUTH_TYPE:
1583 /* Unauthenticated bind request. */
1584 /* We're finished - no more packets. */
1585 p->auth.auth_type = PIPE_AUTH_TYPE_NONE;
1586 /* We must set the pipe auth_level here also. */
1587 p->auth.auth_level = PIPE_AUTH_LEVEL_NONE;
1588 p->pipe_bound = True;
1592 DEBUG(0,("api_pipe_bind_req: unknown auth type %x requested.\n", auth_type ));
1597 * Create the bind response struct.
1600 /* If the requested abstract synt uuid doesn't match our client pipe,
1601 reject the bind_ack & set the transfer interface synt to all 0's,
1602 ver 0 (observed when NT5 attempts to bind to abstract interfaces
1604 Needed when adding entries to a DACL from NT5 - SK */
1606 if(check_bind_req(p, &hdr_rb.rpc_context[0].abstract, &hdr_rb.rpc_context[0].transfer[0],
1607 hdr_rb.rpc_context[0].context_id )) {
1608 init_rpc_hdr_ba(&hdr_ba,
1609 RPC_MAX_PDU_FRAG_LEN,
1610 RPC_MAX_PDU_FRAG_LEN,
1614 &hdr_rb.rpc_context[0].transfer[0]);
1616 RPC_IFACE null_interface;
1617 ZERO_STRUCT(null_interface);
1618 /* Rejection reason: abstract syntax not supported */
1619 init_rpc_hdr_ba(&hdr_ba, RPC_MAX_PDU_FRAG_LEN,
1620 RPC_MAX_PDU_FRAG_LEN, assoc_gid,
1621 ack_pipe_name, 0x1, 0x2, 0x1,
1623 p->pipe_bound = False;
1630 if(!smb_io_rpc_hdr_ba("", &hdr_ba, &out_hdr_ba, 0)) {
1631 DEBUG(0,("api_pipe_bind_req: marshalling of RPC_HDR_BA failed.\n"));
1636 * Create the header, now we know the length.
1639 if (prs_offset(&out_auth)) {
1640 auth_len = prs_offset(&out_auth) - RPC_HDR_AUTH_LEN;
1643 init_rpc_hdr(&p->hdr, RPC_BINDACK, RPC_FLG_FIRST | RPC_FLG_LAST,
1645 RPC_HEADER_LEN + prs_offset(&out_hdr_ba) + prs_offset(&out_auth),
1649 * Marshall the header into the outgoing PDU.
1652 if(!smb_io_rpc_hdr("", &p->hdr, &outgoing_rpc, 0)) {
1653 DEBUG(0,("api_pipe_bind_req: marshalling of RPC_HDR failed.\n"));
1658 * Now add the RPC_HDR_BA and any auth needed.
1661 if(!prs_append_prs_data( &outgoing_rpc, &out_hdr_ba)) {
1662 DEBUG(0,("api_pipe_bind_req: append of RPC_HDR_BA failed.\n"));
1666 if (auth_len && !prs_append_prs_data( &outgoing_rpc, &out_auth)) {
1667 DEBUG(0,("api_pipe_bind_req: append of auth info failed.\n"));
1672 * Setup the lengths for the initial reply.
1675 p->out_data.data_sent_length = 0;
1676 p->out_data.current_pdu_len = prs_offset(&outgoing_rpc);
1677 p->out_data.current_pdu_sent = 0;
1679 prs_mem_free(&out_hdr_ba);
1680 prs_mem_free(&out_auth);
1686 prs_mem_free(&outgoing_rpc);
1687 prs_mem_free(&out_hdr_ba);
1688 prs_mem_free(&out_auth);
1689 return setup_bind_nak(p);
1692 /****************************************************************************
1693 Deal with an alter context call. Can be third part of 3 leg auth request for
1695 ****************************************************************************/
1697 BOOL api_pipe_alter_context(pipes_struct *p, prs_struct *rpc_in_p)
1701 RPC_HDR_AUTH auth_info;
1703 fstring ack_pipe_name;
1704 prs_struct out_hdr_ba;
1705 prs_struct out_auth;
1706 prs_struct outgoing_rpc;
1709 prs_init( &outgoing_rpc, 0, p->mem_ctx, MARSHALL);
1712 * Marshall directly into the outgoing PDU space. We
1713 * must do this as we need to set to the bind response
1714 * header and are never sending more than one PDU here.
1717 prs_give_memory( &outgoing_rpc, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
1720 * Setup the memory to marshall the ba header, and the
1724 if(!prs_init(&out_hdr_ba, 1024, p->mem_ctx, MARSHALL)) {
1725 DEBUG(0,("api_pipe_alter_context: malloc out_hdr_ba failed.\n"));
1726 prs_mem_free(&outgoing_rpc);
1730 if(!prs_init(&out_auth, 1024, p->mem_ctx, MARSHALL)) {
1731 DEBUG(0,("api_pipe_alter_context: malloc out_auth failed.\n"));
1732 prs_mem_free(&outgoing_rpc);
1733 prs_mem_free(&out_hdr_ba);
1737 DEBUG(5,("api_pipe_alter_context: decode request. %d\n", __LINE__));
1739 /* decode the alter context request */
1740 if(!smb_io_rpc_hdr_rb("", &hdr_rb, rpc_in_p, 0)) {
1741 DEBUG(0,("api_pipe_alter_context: unable to unmarshall RPC_HDR_RB struct.\n"));
1745 /* secondary address CAN be NULL
1746 * as the specs say it's ignored.
1747 * It MUST be NULL to have the spoolss working.
1749 fstrcpy(ack_pipe_name,"");
1751 DEBUG(5,("api_pipe_alter_context: make response. %d\n", __LINE__));
1754 * Check if this is an authenticated alter context request.
1757 if (p->hdr.auth_len != 0) {
1759 * Decode the authentication verifier.
1762 if(!smb_io_rpc_hdr_auth("", &auth_info, rpc_in_p, 0)) {
1763 DEBUG(0,("api_pipe_alter_context: unable to unmarshall RPC_HDR_AUTH struct.\n"));
1768 * Currently only the SPNEGO auth type uses the alter ctx
1769 * response in place of the NTLMSSP auth3 type.
1772 if (auth_info.auth_type == RPC_SPNEGO_AUTH_TYPE) {
1773 /* We can only finish if the pipe is unbound. */
1774 if (!p->pipe_bound) {
1775 if (!pipe_spnego_auth_bind_continue(p, rpc_in_p, &auth_info, &out_auth)) {
1783 ZERO_STRUCT(auth_info);
1786 assoc_gid = hdr_rb.bba.assoc_gid ? hdr_rb.bba.assoc_gid : 0x53f0;
1789 * Create the bind response struct.
1792 /* If the requested abstract synt uuid doesn't match our client pipe,
1793 reject the bind_ack & set the transfer interface synt to all 0's,
1794 ver 0 (observed when NT5 attempts to bind to abstract interfaces
1796 Needed when adding entries to a DACL from NT5 - SK */
1798 if(check_bind_req(p, &hdr_rb.rpc_context[0].abstract, &hdr_rb.rpc_context[0].transfer[0],
1799 hdr_rb.rpc_context[0].context_id )) {
1800 init_rpc_hdr_ba(&hdr_ba,
1801 RPC_MAX_PDU_FRAG_LEN,
1802 RPC_MAX_PDU_FRAG_LEN,
1806 &hdr_rb.rpc_context[0].transfer[0]);
1808 RPC_IFACE null_interface;
1809 ZERO_STRUCT(null_interface);
1810 /* Rejection reason: abstract syntax not supported */
1811 init_rpc_hdr_ba(&hdr_ba, RPC_MAX_PDU_FRAG_LEN,
1812 RPC_MAX_PDU_FRAG_LEN, assoc_gid,
1813 ack_pipe_name, 0x1, 0x2, 0x1,
1815 p->pipe_bound = False;
1822 if(!smb_io_rpc_hdr_ba("", &hdr_ba, &out_hdr_ba, 0)) {
1823 DEBUG(0,("api_pipe_alter_context: marshalling of RPC_HDR_BA failed.\n"));
1828 * Create the header, now we know the length.
1831 if (prs_offset(&out_auth)) {
1832 auth_len = prs_offset(&out_auth) - RPC_HDR_AUTH_LEN;
1835 init_rpc_hdr(&p->hdr, RPC_ALTCONTRESP, RPC_FLG_FIRST | RPC_FLG_LAST,
1837 RPC_HEADER_LEN + prs_offset(&out_hdr_ba) + prs_offset(&out_auth),
1841 * Marshall the header into the outgoing PDU.
1844 if(!smb_io_rpc_hdr("", &p->hdr, &outgoing_rpc, 0)) {
1845 DEBUG(0,("api_pipe_alter_context: marshalling of RPC_HDR failed.\n"));
1850 * Now add the RPC_HDR_BA and any auth needed.
1853 if(!prs_append_prs_data( &outgoing_rpc, &out_hdr_ba)) {
1854 DEBUG(0,("api_pipe_alter_context: append of RPC_HDR_BA failed.\n"));
1858 if (auth_len && !prs_append_prs_data( &outgoing_rpc, &out_auth)) {
1859 DEBUG(0,("api_pipe_alter_context: append of auth info failed.\n"));
1864 * Setup the lengths for the initial reply.
1867 p->out_data.data_sent_length = 0;
1868 p->out_data.current_pdu_len = prs_offset(&outgoing_rpc);
1869 p->out_data.current_pdu_sent = 0;
1871 prs_mem_free(&out_hdr_ba);
1872 prs_mem_free(&out_auth);
1878 prs_mem_free(&outgoing_rpc);
1879 prs_mem_free(&out_hdr_ba);
1880 prs_mem_free(&out_auth);
1881 return setup_bind_nak(p);
1884 /****************************************************************************
1885 Deal with NTLMSSP sign & seal processing on an RPC request.
1886 ****************************************************************************/
1888 BOOL api_pipe_ntlmssp_auth_process(pipes_struct *p, prs_struct *rpc_in,
1889 uint32 *p_ss_padding_len, NTSTATUS *pstatus)
1891 RPC_HDR_AUTH auth_info;
1892 uint32 auth_len = p->hdr.auth_len;
1893 uint32 save_offset = prs_offset(rpc_in);
1894 AUTH_NTLMSSP_STATE *a = p->auth.a_u.auth_ntlmssp_state;
1895 unsigned char *data = NULL;
1897 unsigned char *full_packet_data = NULL;
1898 size_t full_packet_data_len;
1899 DATA_BLOB auth_blob;
1901 *pstatus = NT_STATUS_OK;
1903 if (p->auth.auth_level == PIPE_AUTH_LEVEL_NONE || p->auth.auth_level == PIPE_AUTH_LEVEL_CONNECT) {
1908 *pstatus = NT_STATUS_INVALID_PARAMETER;
1912 /* Ensure there's enough data for an authenticated request. */
1913 if ((auth_len > RPC_MAX_SIGN_SIZE) ||
1914 (RPC_HEADER_LEN + RPC_HDR_REQ_LEN + RPC_HDR_AUTH_LEN + auth_len > p->hdr.frag_len)) {
1915 DEBUG(0,("api_pipe_ntlmssp_auth_process: auth_len %u is too large.\n",
1916 (unsigned int)auth_len ));
1917 *pstatus = NT_STATUS_INVALID_PARAMETER;
1922 * We need the full packet data + length (minus auth stuff) as well as the packet data + length
1923 * after the RPC header.
1924 * We need to pass in the full packet (minus auth len) to the NTLMSSP sign and check seal
1925 * functions as NTLMv2 checks the rpc headers also.
1928 data = (unsigned char *)(prs_data_p(rpc_in) + RPC_HDR_REQ_LEN);
1929 data_len = (size_t)(p->hdr.frag_len - RPC_HEADER_LEN - RPC_HDR_REQ_LEN - RPC_HDR_AUTH_LEN - auth_len);
1931 full_packet_data = p->in_data.current_in_pdu;
1932 full_packet_data_len = p->hdr.frag_len - auth_len;
1934 /* Pull the auth header and the following data into a blob. */
1935 if(!prs_set_offset(rpc_in, RPC_HDR_REQ_LEN + data_len)) {
1936 DEBUG(0,("api_pipe_ntlmssp_auth_process: cannot move offset to %u.\n",
1937 (unsigned int)RPC_HDR_REQ_LEN + (unsigned int)data_len ));
1938 *pstatus = NT_STATUS_INVALID_PARAMETER;
1942 if(!smb_io_rpc_hdr_auth("hdr_auth", &auth_info, rpc_in, 0)) {
1943 DEBUG(0,("api_pipe_ntlmssp_auth_process: failed to unmarshall RPC_HDR_AUTH.\n"));
1944 *pstatus = NT_STATUS_INVALID_PARAMETER;
1948 auth_blob.data = (unsigned char *)prs_data_p(rpc_in) + prs_offset(rpc_in);
1949 auth_blob.length = auth_len;
1951 switch (p->auth.auth_level) {
1952 case PIPE_AUTH_LEVEL_PRIVACY:
1953 /* Data is encrypted. */
1954 *pstatus = ntlmssp_unseal_packet(a->ntlmssp_state,
1957 full_packet_data_len,
1959 if (!NT_STATUS_IS_OK(*pstatus)) {
1963 case PIPE_AUTH_LEVEL_INTEGRITY:
1964 /* Data is signed. */
1965 *pstatus = ntlmssp_check_packet(a->ntlmssp_state,
1968 full_packet_data_len,
1970 if (!NT_STATUS_IS_OK(*pstatus)) {
1975 *pstatus = NT_STATUS_INVALID_PARAMETER;
1980 * Return the current pointer to the data offset.
1983 if(!prs_set_offset(rpc_in, save_offset)) {
1984 DEBUG(0,("api_pipe_auth_process: failed to set offset back to %u\n",
1985 (unsigned int)save_offset ));
1986 *pstatus = NT_STATUS_INVALID_PARAMETER;
1991 * Remember the padding length. We must remove it from the real data
1992 * stream once the sign/seal is done.
1995 *p_ss_padding_len = auth_info.auth_pad_len;
2000 /****************************************************************************
2001 Deal with schannel processing on an RPC request.
2002 ****************************************************************************/
2004 BOOL api_pipe_schannel_process(pipes_struct *p, prs_struct *rpc_in, uint32 *p_ss_padding_len)
2008 uint32 save_offset = prs_offset(rpc_in);
2009 RPC_HDR_AUTH auth_info;
2010 RPC_AUTH_SCHANNEL_CHK schannel_chk;
2012 auth_len = p->hdr.auth_len;
2014 if (auth_len != RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN) {
2015 DEBUG(0,("Incorrect auth_len %u.\n", (unsigned int)auth_len ));
2020 * The following is that length of the data we must verify or unseal.
2021 * This doesn't include the RPC headers or the auth_len or the RPC_HDR_AUTH_LEN
2022 * preceeding the auth_data.
2025 if (p->hdr.frag_len < RPC_HEADER_LEN + RPC_HDR_REQ_LEN + RPC_HDR_AUTH_LEN + auth_len) {
2026 DEBUG(0,("Incorrect frag %u, auth %u.\n",
2027 (unsigned int)p->hdr.frag_len,
2028 (unsigned int)auth_len ));
2032 data_len = p->hdr.frag_len - RPC_HEADER_LEN - RPC_HDR_REQ_LEN -
2033 RPC_HDR_AUTH_LEN - auth_len;
2035 DEBUG(5,("data %d auth %d\n", data_len, auth_len));
2037 if(!prs_set_offset(rpc_in, RPC_HDR_REQ_LEN + data_len)) {
2038 DEBUG(0,("cannot move offset to %u.\n",
2039 (unsigned int)RPC_HDR_REQ_LEN + data_len ));
2043 if(!smb_io_rpc_hdr_auth("hdr_auth", &auth_info, rpc_in, 0)) {
2044 DEBUG(0,("failed to unmarshall RPC_HDR_AUTH.\n"));
2048 if (auth_info.auth_type != RPC_SCHANNEL_AUTH_TYPE) {
2049 DEBUG(0,("Invalid auth info %d on schannel\n",
2050 auth_info.auth_type));
2054 if(!smb_io_rpc_auth_schannel_chk("", RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN, &schannel_chk, rpc_in, 0)) {
2055 DEBUG(0,("failed to unmarshal RPC_AUTH_SCHANNEL_CHK.\n"));
2059 if (!schannel_decode(p->auth.a_u.schannel_auth,
2061 SENDER_IS_INITIATOR,
2063 prs_data_p(rpc_in)+RPC_HDR_REQ_LEN, data_len)) {
2064 DEBUG(3,("failed to decode PDU\n"));
2069 * Return the current pointer to the data offset.
2072 if(!prs_set_offset(rpc_in, save_offset)) {
2073 DEBUG(0,("failed to set offset back to %u\n",
2074 (unsigned int)save_offset ));
2078 /* The sequence number gets incremented on both send and receive. */
2079 p->auth.a_u.schannel_auth->seq_num++;
2082 * Remember the padding length. We must remove it from the real data
2083 * stream once the sign/seal is done.
2086 *p_ss_padding_len = auth_info.auth_pad_len;
2091 /****************************************************************************
2092 Return a user struct for a pipe user.
2093 ****************************************************************************/
2095 struct current_user *get_current_user(struct current_user *user, pipes_struct *p)
2097 if (p->pipe_bound &&
2098 (p->auth.auth_type == PIPE_AUTH_TYPE_NTLMSSP ||
2099 (p->auth.auth_type == PIPE_AUTH_TYPE_SPNEGO_NTLMSSP))) {
2100 memcpy(user, &p->pipe_user, sizeof(struct current_user));
2102 memcpy(user, ¤t_user, sizeof(struct current_user));
2108 /****************************************************************************
2109 Find the set of RPC functions associated with this context_id
2110 ****************************************************************************/
2112 static PIPE_RPC_FNS* find_pipe_fns_by_context( PIPE_RPC_FNS *list, uint32 context_id )
2114 PIPE_RPC_FNS *fns = NULL;
2115 PIPE_RPC_FNS *tmp = NULL;
2118 DEBUG(0,("find_pipe_fns_by_context: ERROR! No context list for pipe!\n"));
2122 for (tmp=list; tmp; tmp=tmp->next ) {
2123 if ( tmp->context_id == context_id )
2132 /****************************************************************************
2134 ****************************************************************************/
2136 void free_pipe_rpc_context( PIPE_RPC_FNS *list )
2138 PIPE_RPC_FNS *tmp = list;
2150 /****************************************************************************
2151 Find the correct RPC function to call for this request.
2152 If the pipe is authenticated then become the correct UNIX user
2153 before doing the call.
2154 ****************************************************************************/
2156 BOOL api_pipe_request(pipes_struct *p)
2159 BOOL changed_user = False;
2160 PIPE_RPC_FNS *pipe_fns;
2162 if (p->pipe_bound &&
2163 ((p->auth.auth_type == PIPE_AUTH_TYPE_NTLMSSP) ||
2164 (p->auth.auth_type == PIPE_AUTH_TYPE_SPNEGO_NTLMSSP))) {
2165 if(!become_authenticated_pipe_user(p)) {
2166 prs_mem_free(&p->out_data.rdata);
2169 changed_user = True;
2172 DEBUG(5, ("Requested \\PIPE\\%s\n", p->name));
2174 /* get the set of RPC functions for this context */
2176 pipe_fns = find_pipe_fns_by_context(p->contexts, p->hdr_req.context_id);
2179 set_current_rpc_talloc(p->mem_ctx);
2180 ret = api_rpcTNP(p, p->name, pipe_fns->cmds, pipe_fns->n_cmds);
2181 set_current_rpc_talloc(NULL);
2184 DEBUG(0,("api_pipe_request: No rpc function table associated with context [%d] on pipe [%s]\n",
2185 p->hdr_req.context_id, p->name));
2189 unbecome_authenticated_pipe_user();
2195 /*******************************************************************
2196 Calls the underlying RPC function for a named pipe.
2197 ********************************************************************/
2199 BOOL api_rpcTNP(pipes_struct *p, const char *rpc_name,
2200 const struct api_struct *api_rpc_cmds, int n_cmds)
2204 uint32 offset1, offset2;
2206 /* interpret the command */
2207 DEBUG(4,("api_rpcTNP: %s op 0x%x - ", rpc_name, p->hdr_req.opnum));
2209 slprintf(name, sizeof(name)-1, "in_%s", rpc_name);
2210 prs_dump(name, p->hdr_req.opnum, &p->in_data.data);
2212 for (fn_num = 0; fn_num < n_cmds; fn_num++) {
2213 if (api_rpc_cmds[fn_num].opnum == p->hdr_req.opnum && api_rpc_cmds[fn_num].fn != NULL) {
2214 DEBUG(3,("api_rpcTNP: rpc command: %s\n", api_rpc_cmds[fn_num].name));
2219 if (fn_num == n_cmds) {
2221 * For an unknown RPC just return a fault PDU but
2222 * return True to allow RPC's on the pipe to continue
2223 * and not put the pipe into fault state. JRA.
2225 DEBUG(4, ("unknown\n"));
2226 setup_fault_pdu(p, NT_STATUS(0x1c010002));
2230 offset1 = prs_offset(&p->out_data.rdata);
2232 DEBUG(6, ("api_rpc_cmds[%d].fn == %p\n",
2233 fn_num, api_rpc_cmds[fn_num].fn));
2234 /* do the actual command */
2235 if(!api_rpc_cmds[fn_num].fn(p)) {
2236 DEBUG(0,("api_rpcTNP: %s: %s failed.\n", rpc_name, api_rpc_cmds[fn_num].name));
2237 prs_mem_free(&p->out_data.rdata);
2241 if (p->bad_handle_fault_state) {
2242 DEBUG(4,("api_rpcTNP: bad handle fault return.\n"));
2243 p->bad_handle_fault_state = False;
2244 setup_fault_pdu(p, NT_STATUS(0x1C00001A));
2248 slprintf(name, sizeof(name)-1, "out_%s", rpc_name);
2249 offset2 = prs_offset(&p->out_data.rdata);
2250 prs_set_offset(&p->out_data.rdata, offset1);
2251 prs_dump(name, p->hdr_req.opnum, &p->out_data.rdata);
2252 prs_set_offset(&p->out_data.rdata, offset2);
2254 DEBUG(5,("api_rpcTNP: called %s successfully\n", rpc_name));
2256 /* Check for buffer underflow in rpc parsing */
2258 if ((DEBUGLEVEL >= 10) &&
2259 (prs_offset(&p->in_data.data) != prs_data_size(&p->in_data.data))) {
2260 size_t data_len = prs_data_size(&p->in_data.data) - prs_offset(&p->in_data.data);
2261 char *data = SMB_MALLOC(data_len);
2263 DEBUG(10, ("api_rpcTNP: rpc input buffer underflow (parse error?)\n"));
2265 prs_uint8s(False, "", &p->in_data.data, 0, (unsigned char *)data, (uint32)data_len);
2274 /*******************************************************************
2275 *******************************************************************/
2277 void get_pipe_fns( int idx, struct api_struct **fns, int *n_fns )
2279 struct api_struct *cmds = NULL;
2284 lsa_get_pipe_fns( &cmds, &n_cmds );
2287 lsa_ds_get_pipe_fns( &cmds, &n_cmds );
2290 samr_get_pipe_fns( &cmds, &n_cmds );
2293 netlog_get_pipe_fns( &cmds, &n_cmds );
2296 srvsvc_get_pipe_fns( &cmds, &n_cmds );
2299 wkssvc_get_pipe_fns( &cmds, &n_cmds );
2302 reg_get_pipe_fns( &cmds, &n_cmds );
2305 spoolss_get_pipe_fns( &cmds, &n_cmds );
2308 netdfs_get_pipe_fns( &cmds, &n_cmds );
2311 svcctl_get_pipe_fns( &cmds, &n_cmds );
2314 eventlog_get_pipe_fns( &cmds, &n_cmds );
2317 ntsvcs_get_pipe_fns( &cmds, &n_cmds );
2321 echo_get_pipe_fns( &cmds, &n_cmds );
2325 DEBUG(0,("get_pipe_fns: Unknown pipe index! [%d]\n", idx));