2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
4 * Largely rewritten by 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 3 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, see <http://www.gnu.org/licenses/>.
21 #include "librpc/gen_ndr/cli_epmapper.h"
24 #define DBGC_CLASS DBGC_RPC_CLI
26 /*******************************************************************
27 interface/version dce/rpc pipe identification
28 ********************************************************************/
30 #define PIPE_SRVSVC "\\PIPE\\srvsvc"
31 #define PIPE_SAMR "\\PIPE\\samr"
32 #define PIPE_WINREG "\\PIPE\\winreg"
33 #define PIPE_WKSSVC "\\PIPE\\wkssvc"
34 #define PIPE_NETLOGON "\\PIPE\\NETLOGON"
35 #define PIPE_NTLSA "\\PIPE\\ntlsa"
36 #define PIPE_NTSVCS "\\PIPE\\ntsvcs"
37 #define PIPE_LSASS "\\PIPE\\lsass"
38 #define PIPE_LSARPC "\\PIPE\\lsarpc"
39 #define PIPE_SPOOLSS "\\PIPE\\spoolss"
40 #define PIPE_NETDFS "\\PIPE\\netdfs"
41 #define PIPE_ECHO "\\PIPE\\rpcecho"
42 #define PIPE_SHUTDOWN "\\PIPE\\initshutdown"
43 #define PIPE_EPM "\\PIPE\\epmapper"
44 #define PIPE_SVCCTL "\\PIPE\\svcctl"
45 #define PIPE_EVENTLOG "\\PIPE\\eventlog"
46 #define PIPE_EPMAPPER "\\PIPE\\epmapper"
47 #define PIPE_DRSUAPI "\\PIPE\\drsuapi"
50 * IMPORTANT!! If you update this structure, make sure to
51 * update the index #defines in smb.h.
54 static const struct pipe_id_info
{
55 /* the names appear not to matter: the syntaxes _do_ matter */
57 const char *client_pipe
;
58 const RPC_IFACE
*abstr_syntax
; /* this one is the abstract syntax id */
61 { PIPE_LSARPC
, &ndr_table_lsarpc
.syntax_id
},
62 { PIPE_LSARPC
, &ndr_table_dssetup
.syntax_id
},
63 { PIPE_SAMR
, &ndr_table_samr
.syntax_id
},
64 { PIPE_NETLOGON
, &ndr_table_netlogon
.syntax_id
},
65 { PIPE_SRVSVC
, &ndr_table_srvsvc
.syntax_id
},
66 { PIPE_WKSSVC
, &ndr_table_wkssvc
.syntax_id
},
67 { PIPE_WINREG
, &ndr_table_winreg
.syntax_id
},
68 { PIPE_SPOOLSS
, &syntax_spoolss
},
69 { PIPE_NETDFS
, &ndr_table_netdfs
.syntax_id
},
70 { PIPE_ECHO
, &ndr_table_rpcecho
.syntax_id
},
71 { PIPE_SHUTDOWN
, &ndr_table_initshutdown
.syntax_id
},
72 { PIPE_SVCCTL
, &ndr_table_svcctl
.syntax_id
},
73 { PIPE_EVENTLOG
, &ndr_table_eventlog
.syntax_id
},
74 { PIPE_NTSVCS
, &ndr_table_ntsvcs
.syntax_id
},
75 { PIPE_EPMAPPER
, &ndr_table_epmapper
.syntax_id
},
76 { PIPE_DRSUAPI
, &ndr_table_drsuapi
.syntax_id
},
80 /****************************************************************************
81 Return the pipe name from the interface.
82 ****************************************************************************/
84 const char *cli_get_pipe_name_from_iface(TALLOC_CTX
*mem_ctx
,
85 struct cli_state
*cli
,
86 const struct ndr_syntax_id
*interface
)
89 for (i
= 0; pipe_names
[i
].client_pipe
; i
++) {
90 if (ndr_syntax_id_equal(pipe_names
[i
].abstr_syntax
,
92 return &pipe_names
[i
].client_pipe
[5];
97 * Here we should ask \\epmapper, but for now our code is only
98 * interested in the known pipes mentioned in pipe_names[]
104 /********************************************************************
105 Map internal value to wire value.
106 ********************************************************************/
108 static int map_pipe_auth_type_to_rpc_auth_type(enum pipe_auth_type auth_type
)
112 case PIPE_AUTH_TYPE_NONE
:
113 return RPC_ANONYMOUS_AUTH_TYPE
;
115 case PIPE_AUTH_TYPE_NTLMSSP
:
116 return RPC_NTLMSSP_AUTH_TYPE
;
118 case PIPE_AUTH_TYPE_SPNEGO_NTLMSSP
:
119 case PIPE_AUTH_TYPE_SPNEGO_KRB5
:
120 return RPC_SPNEGO_AUTH_TYPE
;
122 case PIPE_AUTH_TYPE_SCHANNEL
:
123 return RPC_SCHANNEL_AUTH_TYPE
;
125 case PIPE_AUTH_TYPE_KRB5
:
126 return RPC_KRB5_AUTH_TYPE
;
129 DEBUG(0,("map_pipe_auth_type_to_rpc_type: unknown pipe "
131 (unsigned int)auth_type
));
137 /********************************************************************
138 Pipe description for a DEBUG
139 ********************************************************************/
140 static char *rpccli_pipe_txt(TALLOC_CTX
*mem_ctx
, struct rpc_pipe_client
*cli
)
144 switch (cli
->transport_type
) {
146 result
= talloc_asprintf(mem_ctx
, "host %s, pipe %s, "
149 cli
->trans
.np
.pipe_name
,
150 (unsigned int)(cli
->trans
.np
.fnum
));
153 case NCACN_UNIX_STREAM
:
154 result
= talloc_asprintf(mem_ctx
, "host %s, fd %d",
155 cli
->desthost
, cli
->trans
.sock
.fd
);
158 result
= talloc_asprintf(mem_ctx
, "host %s", cli
->desthost
);
161 SMB_ASSERT(result
!= NULL
);
165 /********************************************************************
167 ********************************************************************/
169 static uint32
get_rpc_call_id(void)
171 static uint32 call_id
= 0;
175 /*******************************************************************
176 Read from a RPC named pipe
177 ********************************************************************/
178 static NTSTATUS
rpc_read_np(struct cli_state
*cli
, const char *pipe_name
,
179 int fnum
, char *buf
, off_t offset
, size_t size
,
184 num_read
= cli_read(cli
, fnum
, buf
, offset
, size
);
186 DEBUG(5,("rpc_read_np: num_read = %d, read offset: %u, to read: %u\n",
187 (int)num_read
, (unsigned int)offset
, (unsigned int)size
));
190 * A dos error of ERRDOS/ERRmoredata is not an error.
192 if (cli_is_dos_error(cli
)) {
195 cli_dos_error(cli
, &eclass
, &ecode
);
196 if (eclass
!= ERRDOS
&& ecode
!= ERRmoredata
) {
197 DEBUG(0,("rpc_read: DOS Error %d/%u (%s) in cli_read "
198 "on fnum 0x%x\n", eclass
, (unsigned int)ecode
,
199 cli_errstr(cli
), fnum
));
200 return dos_to_ntstatus(eclass
, ecode
);
205 * Likewise for NT_STATUS_BUFFER_TOO_SMALL
207 if (cli_is_nt_error(cli
)) {
208 if (!NT_STATUS_EQUAL(cli_nt_error(cli
),
209 NT_STATUS_BUFFER_TOO_SMALL
)) {
210 DEBUG(0,("rpc_read: Error (%s) in cli_read on fnum "
211 "0x%x\n", nt_errstr(cli_nt_error(cli
)), fnum
));
212 return cli_nt_error(cli
);
216 if (num_read
== -1) {
217 DEBUG(0,("rpc_read: Error - cli_read on fnum 0x%x returned "
219 return cli_get_nt_error(cli
);
222 *pnum_read
= num_read
;
227 /*******************************************************************
228 Use SMBreadX to get rest of one fragment's worth of rpc data.
229 Will expand the current_pdu struct to the correct size.
230 ********************************************************************/
232 static NTSTATUS
rpc_read(struct rpc_pipe_client
*cli
,
233 prs_struct
*current_pdu
,
235 uint32
*current_pdu_offset
)
237 size_t size
= (size_t)cli
->max_recv_frag
;
238 uint32 stream_offset
= 0;
239 ssize_t num_read
= 0;
241 ssize_t extra_data_size
= ((ssize_t
)*current_pdu_offset
) + ((ssize_t
)data_to_read
) - (ssize_t
)prs_data_size(current_pdu
);
243 DEBUG(5,("rpc_read: data_to_read: %u current_pdu offset: %u extra_data_size: %d\n",
244 (unsigned int)data_to_read
, (unsigned int)*current_pdu_offset
, (int)extra_data_size
));
247 * Grow the buffer if needed to accommodate the data to be read.
250 if (extra_data_size
> 0) {
251 if(!prs_force_grow(current_pdu
, (uint32
)extra_data_size
)) {
252 DEBUG(0,("rpc_read: Failed to grow parse struct by %d bytes.\n", (int)extra_data_size
));
253 return NT_STATUS_NO_MEMORY
;
255 DEBUG(5,("rpc_read: grew buffer by %d bytes to %u\n", (int)extra_data_size
, prs_data_size(current_pdu
) ));
258 pdata
= prs_data_p(current_pdu
) + *current_pdu_offset
;
263 /* read data using SMBreadX */
264 if (size
> (size_t)data_to_read
) {
265 size
= (size_t)data_to_read
;
268 switch (cli
->transport_type
) {
270 status
= rpc_read_np(cli
->trans
.np
.cli
,
271 cli
->trans
.np
.pipe_name
,
272 cli
->trans
.np
.fnum
, pdata
,
273 (off_t
)stream_offset
, size
,
277 case NCACN_UNIX_STREAM
:
278 status
= NT_STATUS_OK
;
279 num_read
= sys_read(cli
->trans
.sock
.fd
, pdata
, size
);
280 if (num_read
== -1) {
281 status
= map_nt_error_from_unix(errno
);
284 status
= NT_STATUS_END_OF_FILE
;
288 DEBUG(0, ("unknown transport type %d\n",
289 cli
->transport_type
));
290 return NT_STATUS_INTERNAL_ERROR
;
293 data_to_read
-= num_read
;
294 stream_offset
+= num_read
;
297 } while (num_read
> 0 && data_to_read
> 0);
298 /* && err == (0x80000000 | STATUS_BUFFER_OVERFLOW)); */
301 * Update the current offset into current_pdu by the amount read.
303 *current_pdu_offset
+= stream_offset
;
307 /****************************************************************************
308 Try and get a PDU's worth of data from current_pdu. If not, then read more
310 ****************************************************************************/
312 static NTSTATUS
cli_pipe_get_current_pdu(struct rpc_pipe_client
*cli
, RPC_HDR
*prhdr
, prs_struct
*current_pdu
)
314 NTSTATUS ret
= NT_STATUS_OK
;
315 uint32 current_pdu_len
= prs_data_size(current_pdu
);
317 /* Ensure we have at least RPC_HEADER_LEN worth of data to parse. */
318 if (current_pdu_len
< RPC_HEADER_LEN
) {
319 /* rpc_read expands the current_pdu struct as neccessary. */
320 ret
= rpc_read(cli
, current_pdu
, RPC_HEADER_LEN
- current_pdu_len
, ¤t_pdu_len
);
321 if (!NT_STATUS_IS_OK(ret
)) {
326 /* This next call sets the endian bit correctly in current_pdu. */
327 /* We will propagate this to rbuf later. */
328 if(!smb_io_rpc_hdr("rpc_hdr ", prhdr
, current_pdu
, 0)) {
329 DEBUG(0,("cli_pipe_get_current_pdu: Failed to unmarshall RPC_HDR.\n"));
330 return NT_STATUS_BUFFER_TOO_SMALL
;
333 /* Ensure we have frag_len bytes of data. */
334 if (current_pdu_len
< prhdr
->frag_len
) {
335 /* rpc_read expands the current_pdu struct as neccessary. */
336 ret
= rpc_read(cli
, current_pdu
, (uint32
)prhdr
->frag_len
- current_pdu_len
, ¤t_pdu_len
);
337 if (!NT_STATUS_IS_OK(ret
)) {
342 if (current_pdu_len
< prhdr
->frag_len
) {
343 return NT_STATUS_BUFFER_TOO_SMALL
;
349 /****************************************************************************
350 NTLMSSP specific sign/seal.
351 Virtually identical to rpc_server/srv_pipe.c:api_pipe_ntlmssp_auth_process.
352 In fact I should probably abstract these into identical pieces of code... JRA.
353 ****************************************************************************/
355 static NTSTATUS
cli_pipe_verify_ntlmssp(struct rpc_pipe_client
*cli
, RPC_HDR
*prhdr
,
356 prs_struct
*current_pdu
,
357 uint8
*p_ss_padding_len
)
359 RPC_HDR_AUTH auth_info
;
360 uint32 save_offset
= prs_offset(current_pdu
);
361 uint32 auth_len
= prhdr
->auth_len
;
362 NTLMSSP_STATE
*ntlmssp_state
= cli
->auth
->a_u
.ntlmssp_state
;
363 unsigned char *data
= NULL
;
365 unsigned char *full_packet_data
= NULL
;
366 size_t full_packet_data_len
;
370 if (cli
->auth
->auth_level
== PIPE_AUTH_LEVEL_NONE
371 || cli
->auth
->auth_level
== PIPE_AUTH_LEVEL_CONNECT
) {
375 if (!ntlmssp_state
) {
376 return NT_STATUS_INVALID_PARAMETER
;
379 /* Ensure there's enough data for an authenticated response. */
380 if ((auth_len
> RPC_MAX_SIGN_SIZE
) ||
381 (RPC_HEADER_LEN
+ RPC_HDR_RESP_LEN
+ RPC_HDR_AUTH_LEN
+ auth_len
> prhdr
->frag_len
)) {
382 DEBUG(0,("cli_pipe_verify_ntlmssp: auth_len %u is too large.\n",
383 (unsigned int)auth_len
));
384 return NT_STATUS_BUFFER_TOO_SMALL
;
388 * We need the full packet data + length (minus auth stuff) as well as the packet data + length
389 * after the RPC header.
390 * We need to pass in the full packet (minus auth len) to the NTLMSSP sign and check seal
391 * functions as NTLMv2 checks the rpc headers also.
394 data
= (unsigned char *)(prs_data_p(current_pdu
) + RPC_HEADER_LEN
+ RPC_HDR_RESP_LEN
);
395 data_len
= (size_t)(prhdr
->frag_len
- RPC_HEADER_LEN
- RPC_HDR_RESP_LEN
- RPC_HDR_AUTH_LEN
- auth_len
);
397 full_packet_data
= (unsigned char *)prs_data_p(current_pdu
);
398 full_packet_data_len
= prhdr
->frag_len
- auth_len
;
400 /* Pull the auth header and the following data into a blob. */
401 if(!prs_set_offset(current_pdu
, RPC_HEADER_LEN
+ RPC_HDR_RESP_LEN
+ data_len
)) {
402 DEBUG(0,("cli_pipe_verify_ntlmssp: cannot move offset to %u.\n",
403 (unsigned int)RPC_HEADER_LEN
+ (unsigned int)RPC_HDR_RESP_LEN
+ (unsigned int)data_len
));
404 return NT_STATUS_BUFFER_TOO_SMALL
;
407 if(!smb_io_rpc_hdr_auth("hdr_auth", &auth_info
, current_pdu
, 0)) {
408 DEBUG(0,("cli_pipe_verify_ntlmssp: failed to unmarshall RPC_HDR_AUTH.\n"));
409 return NT_STATUS_BUFFER_TOO_SMALL
;
412 auth_blob
.data
= (unsigned char *)prs_data_p(current_pdu
) + prs_offset(current_pdu
);
413 auth_blob
.length
= auth_len
;
415 switch (cli
->auth
->auth_level
) {
416 case PIPE_AUTH_LEVEL_PRIVACY
:
417 /* Data is encrypted. */
418 status
= ntlmssp_unseal_packet(ntlmssp_state
,
421 full_packet_data_len
,
423 if (!NT_STATUS_IS_OK(status
)) {
424 DEBUG(0,("cli_pipe_verify_ntlmssp: failed to unseal "
425 "packet from %s. Error was %s.\n",
426 rpccli_pipe_txt(debug_ctx(), cli
),
427 nt_errstr(status
) ));
431 case PIPE_AUTH_LEVEL_INTEGRITY
:
432 /* Data is signed. */
433 status
= ntlmssp_check_packet(ntlmssp_state
,
436 full_packet_data_len
,
438 if (!NT_STATUS_IS_OK(status
)) {
439 DEBUG(0,("cli_pipe_verify_ntlmssp: check signing failed on "
440 "packet from %s. Error was %s.\n",
441 rpccli_pipe_txt(debug_ctx(), cli
),
442 nt_errstr(status
) ));
447 DEBUG(0, ("cli_pipe_verify_ntlmssp: unknown internal "
448 "auth level %d\n", cli
->auth
->auth_level
));
449 return NT_STATUS_INVALID_INFO_CLASS
;
453 * Return the current pointer to the data offset.
456 if(!prs_set_offset(current_pdu
, save_offset
)) {
457 DEBUG(0,("api_pipe_auth_process: failed to set offset back to %u\n",
458 (unsigned int)save_offset
));
459 return NT_STATUS_BUFFER_TOO_SMALL
;
463 * Remember the padding length. We must remove it from the real data
464 * stream once the sign/seal is done.
467 *p_ss_padding_len
= auth_info
.auth_pad_len
;
472 /****************************************************************************
473 schannel specific sign/seal.
474 ****************************************************************************/
476 static NTSTATUS
cli_pipe_verify_schannel(struct rpc_pipe_client
*cli
, RPC_HDR
*prhdr
,
477 prs_struct
*current_pdu
,
478 uint8
*p_ss_padding_len
)
480 RPC_HDR_AUTH auth_info
;
481 RPC_AUTH_SCHANNEL_CHK schannel_chk
;
482 uint32 auth_len
= prhdr
->auth_len
;
483 uint32 save_offset
= prs_offset(current_pdu
);
484 struct schannel_auth_struct
*schannel_auth
=
485 cli
->auth
->a_u
.schannel_auth
;
488 if (cli
->auth
->auth_level
== PIPE_AUTH_LEVEL_NONE
489 || cli
->auth
->auth_level
== PIPE_AUTH_LEVEL_CONNECT
) {
493 if (auth_len
!= RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN
) {
494 DEBUG(0,("cli_pipe_verify_schannel: auth_len %u.\n", (unsigned int)auth_len
));
495 return NT_STATUS_INVALID_PARAMETER
;
498 if (!schannel_auth
) {
499 return NT_STATUS_INVALID_PARAMETER
;
502 /* Ensure there's enough data for an authenticated response. */
503 if ((auth_len
> RPC_MAX_SIGN_SIZE
) ||
504 (RPC_HEADER_LEN
+ RPC_HDR_RESP_LEN
+ RPC_HDR_AUTH_LEN
+ auth_len
> prhdr
->frag_len
)) {
505 DEBUG(0,("cli_pipe_verify_schannel: auth_len %u is too large.\n",
506 (unsigned int)auth_len
));
507 return NT_STATUS_INVALID_PARAMETER
;
510 data_len
= prhdr
->frag_len
- RPC_HEADER_LEN
- RPC_HDR_RESP_LEN
- RPC_HDR_AUTH_LEN
- auth_len
;
512 if(!prs_set_offset(current_pdu
, RPC_HEADER_LEN
+ RPC_HDR_RESP_LEN
+ data_len
)) {
513 DEBUG(0,("cli_pipe_verify_schannel: cannot move offset to %u.\n",
514 (unsigned int)RPC_HEADER_LEN
+ RPC_HDR_RESP_LEN
+ data_len
));
515 return NT_STATUS_BUFFER_TOO_SMALL
;
518 if(!smb_io_rpc_hdr_auth("hdr_auth", &auth_info
, current_pdu
, 0)) {
519 DEBUG(0,("cli_pipe_verify_schannel: failed to unmarshall RPC_HDR_AUTH.\n"));
520 return NT_STATUS_BUFFER_TOO_SMALL
;
523 if (auth_info
.auth_type
!= RPC_SCHANNEL_AUTH_TYPE
) {
524 DEBUG(0,("cli_pipe_verify_schannel: Invalid auth info %d on schannel\n",
525 auth_info
.auth_type
));
526 return NT_STATUS_BUFFER_TOO_SMALL
;
529 if(!smb_io_rpc_auth_schannel_chk("", RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN
,
530 &schannel_chk
, current_pdu
, 0)) {
531 DEBUG(0,("cli_pipe_verify_schannel: failed to unmarshal RPC_AUTH_SCHANNEL_CHK.\n"));
532 return NT_STATUS_BUFFER_TOO_SMALL
;
535 if (!schannel_decode(schannel_auth
,
536 cli
->auth
->auth_level
,
539 prs_data_p(current_pdu
)+RPC_HEADER_LEN
+RPC_HDR_RESP_LEN
,
541 DEBUG(3,("cli_pipe_verify_schannel: failed to decode PDU "
542 "Connection to %s.\n",
543 rpccli_pipe_txt(debug_ctx(), cli
)));
544 return NT_STATUS_INVALID_PARAMETER
;
547 /* The sequence number gets incremented on both send and receive. */
548 schannel_auth
->seq_num
++;
551 * Return the current pointer to the data offset.
554 if(!prs_set_offset(current_pdu
, save_offset
)) {
555 DEBUG(0,("api_pipe_auth_process: failed to set offset back to %u\n",
556 (unsigned int)save_offset
));
557 return NT_STATUS_BUFFER_TOO_SMALL
;
561 * Remember the padding length. We must remove it from the real data
562 * stream once the sign/seal is done.
565 *p_ss_padding_len
= auth_info
.auth_pad_len
;
570 /****************************************************************************
571 Do the authentication checks on an incoming pdu. Check sign and unseal etc.
572 ****************************************************************************/
574 static NTSTATUS
cli_pipe_validate_rpc_response(struct rpc_pipe_client
*cli
, RPC_HDR
*prhdr
,
575 prs_struct
*current_pdu
,
576 uint8
*p_ss_padding_len
)
578 NTSTATUS ret
= NT_STATUS_OK
;
580 /* Paranioa checks for auth_len. */
581 if (prhdr
->auth_len
) {
582 if (prhdr
->auth_len
> prhdr
->frag_len
) {
583 return NT_STATUS_INVALID_PARAMETER
;
586 if (prhdr
->auth_len
+ (unsigned int)RPC_HDR_AUTH_LEN
< prhdr
->auth_len
||
587 prhdr
->auth_len
+ (unsigned int)RPC_HDR_AUTH_LEN
< (unsigned int)RPC_HDR_AUTH_LEN
) {
588 /* Integer wrap attempt. */
589 return NT_STATUS_INVALID_PARAMETER
;
594 * Now we have a complete RPC request PDU fragment, try and verify any auth data.
597 switch(cli
->auth
->auth_type
) {
598 case PIPE_AUTH_TYPE_NONE
:
599 if (prhdr
->auth_len
) {
600 DEBUG(3, ("cli_pipe_validate_rpc_response: "
601 "Connection to %s - got non-zero "
603 rpccli_pipe_txt(debug_ctx(), cli
),
604 (unsigned int)prhdr
->auth_len
));
605 return NT_STATUS_INVALID_PARAMETER
;
609 case PIPE_AUTH_TYPE_NTLMSSP
:
610 case PIPE_AUTH_TYPE_SPNEGO_NTLMSSP
:
611 ret
= cli_pipe_verify_ntlmssp(cli
, prhdr
, current_pdu
, p_ss_padding_len
);
612 if (!NT_STATUS_IS_OK(ret
)) {
617 case PIPE_AUTH_TYPE_SCHANNEL
:
618 ret
= cli_pipe_verify_schannel(cli
, prhdr
, current_pdu
, p_ss_padding_len
);
619 if (!NT_STATUS_IS_OK(ret
)) {
624 case PIPE_AUTH_TYPE_KRB5
:
625 case PIPE_AUTH_TYPE_SPNEGO_KRB5
:
627 DEBUG(3, ("cli_pipe_validate_rpc_response: Connection "
628 "to %s - unknown internal auth type %u.\n",
629 rpccli_pipe_txt(debug_ctx(), cli
),
630 cli
->auth
->auth_type
));
631 return NT_STATUS_INVALID_INFO_CLASS
;
637 /****************************************************************************
638 Do basic authentication checks on an incoming pdu.
639 ****************************************************************************/
641 static NTSTATUS
cli_pipe_validate_current_pdu(struct rpc_pipe_client
*cli
, RPC_HDR
*prhdr
,
642 prs_struct
*current_pdu
,
643 uint8 expected_pkt_type
,
646 prs_struct
*return_data
)
649 NTSTATUS ret
= NT_STATUS_OK
;
650 uint32 current_pdu_len
= prs_data_size(current_pdu
);
652 if (current_pdu_len
!= prhdr
->frag_len
) {
653 DEBUG(5,("cli_pipe_validate_current_pdu: incorrect pdu length %u, expected %u\n",
654 (unsigned int)current_pdu_len
, (unsigned int)prhdr
->frag_len
));
655 return NT_STATUS_INVALID_PARAMETER
;
659 * Point the return values at the real data including the RPC
660 * header. Just in case the caller wants it.
662 *ppdata
= prs_data_p(current_pdu
);
663 *pdata_len
= current_pdu_len
;
665 /* Ensure we have the correct type. */
666 switch (prhdr
->pkt_type
) {
667 case RPC_ALTCONTRESP
:
670 /* Alter context and bind ack share the same packet definitions. */
676 RPC_HDR_RESP rhdr_resp
;
677 uint8 ss_padding_len
= 0;
679 if(!smb_io_rpc_hdr_resp("rpc_hdr_resp", &rhdr_resp
, current_pdu
, 0)) {
680 DEBUG(5,("cli_pipe_validate_current_pdu: failed to unmarshal RPC_HDR_RESP.\n"));
681 return NT_STATUS_BUFFER_TOO_SMALL
;
684 /* Here's where we deal with incoming sign/seal. */
685 ret
= cli_pipe_validate_rpc_response(cli
, prhdr
,
686 current_pdu
, &ss_padding_len
);
687 if (!NT_STATUS_IS_OK(ret
)) {
691 /* Point the return values at the NDR data. Remember to remove any ss padding. */
692 *ppdata
= prs_data_p(current_pdu
) + RPC_HEADER_LEN
+ RPC_HDR_RESP_LEN
;
694 if (current_pdu_len
< RPC_HEADER_LEN
+ RPC_HDR_RESP_LEN
+ ss_padding_len
) {
695 return NT_STATUS_BUFFER_TOO_SMALL
;
698 *pdata_len
= current_pdu_len
- RPC_HEADER_LEN
- RPC_HDR_RESP_LEN
- ss_padding_len
;
700 /* Remember to remove the auth footer. */
701 if (prhdr
->auth_len
) {
702 /* We've already done integer wrap tests on auth_len in
703 cli_pipe_validate_rpc_response(). */
704 if (*pdata_len
< RPC_HDR_AUTH_LEN
+ prhdr
->auth_len
) {
705 return NT_STATUS_BUFFER_TOO_SMALL
;
707 *pdata_len
-= (RPC_HDR_AUTH_LEN
+ prhdr
->auth_len
);
710 DEBUG(10,("cli_pipe_validate_current_pdu: got pdu len %u, data_len %u, ss_len %u\n",
711 current_pdu_len
, *pdata_len
, ss_padding_len
));
714 * If this is the first reply, and the allocation hint is reasonably, try and
715 * set up the return_data parse_struct to the correct size.
718 if ((prs_data_size(return_data
) == 0) && rhdr_resp
.alloc_hint
&& (rhdr_resp
.alloc_hint
< 15*1024*1024)) {
719 if (!prs_set_buffer_size(return_data
, rhdr_resp
.alloc_hint
)) {
720 DEBUG(0,("cli_pipe_validate_current_pdu: reply alloc hint %u "
721 "too large to allocate\n",
722 (unsigned int)rhdr_resp
.alloc_hint
));
723 return NT_STATUS_NO_MEMORY
;
731 DEBUG(1, ("cli_pipe_validate_current_pdu: Bind NACK "
732 "received from %s!\n",
733 rpccli_pipe_txt(debug_ctx(), cli
)));
734 /* Use this for now... */
735 return NT_STATUS_NETWORK_ACCESS_DENIED
;
739 RPC_HDR_RESP rhdr_resp
;
740 RPC_HDR_FAULT fault_resp
;
742 if(!smb_io_rpc_hdr_resp("rpc_hdr_resp", &rhdr_resp
, current_pdu
, 0)) {
743 DEBUG(5,("cli_pipe_validate_current_pdu: failed to unmarshal RPC_HDR_RESP.\n"));
744 return NT_STATUS_BUFFER_TOO_SMALL
;
747 if(!smb_io_rpc_hdr_fault("fault", &fault_resp
, current_pdu
, 0)) {
748 DEBUG(5,("cli_pipe_validate_current_pdu: failed to unmarshal RPC_HDR_FAULT.\n"));
749 return NT_STATUS_BUFFER_TOO_SMALL
;
752 DEBUG(1, ("cli_pipe_validate_current_pdu: RPC fault "
753 "code %s received from %s!\n",
754 dcerpc_errstr(NT_STATUS_V(fault_resp
.status
)),
755 rpccli_pipe_txt(debug_ctx(), cli
)));
756 if (NT_STATUS_IS_OK(fault_resp
.status
)) {
757 return NT_STATUS_UNSUCCESSFUL
;
759 return fault_resp
.status
;
764 DEBUG(0, ("cli_pipe_validate_current_pdu: unknown packet type %u received "
766 (unsigned int)prhdr
->pkt_type
,
767 rpccli_pipe_txt(debug_ctx(), cli
)));
768 return NT_STATUS_INVALID_INFO_CLASS
;
771 if (prhdr
->pkt_type
!= expected_pkt_type
) {
772 DEBUG(3, ("cli_pipe_validate_current_pdu: Connection to %s "
773 "got an unexpected RPC packet type - %u, not %u\n",
774 rpccli_pipe_txt(debug_ctx(), cli
),
777 return NT_STATUS_INVALID_INFO_CLASS
;
780 /* Do this just before return - we don't want to modify any rpc header
781 data before now as we may have needed to do cryptographic actions on
784 if ((prhdr
->pkt_type
== RPC_BINDACK
) && !(prhdr
->flags
& RPC_FLG_LAST
)) {
785 DEBUG(5,("cli_pipe_validate_current_pdu: bug in server (AS/U?), "
786 "setting fragment first/last ON.\n"));
787 prhdr
->flags
|= RPC_FLG_FIRST
|RPC_FLG_LAST
;
793 /****************************************************************************
794 Ensure we eat the just processed pdu from the current_pdu prs_struct.
795 Normally the frag_len and buffer size will match, but on the first trans
796 reply there is a theoretical chance that buffer size > frag_len, so we must
798 ****************************************************************************/
800 static NTSTATUS
cli_pipe_reset_current_pdu(struct rpc_pipe_client
*cli
, RPC_HDR
*prhdr
, prs_struct
*current_pdu
)
802 uint32 current_pdu_len
= prs_data_size(current_pdu
);
804 if (current_pdu_len
< prhdr
->frag_len
) {
805 return NT_STATUS_BUFFER_TOO_SMALL
;
809 if (current_pdu_len
== (uint32
)prhdr
->frag_len
) {
810 prs_mem_free(current_pdu
);
811 prs_init_empty(current_pdu
, prs_get_mem_context(current_pdu
), UNMARSHALL
);
812 /* Make current_pdu dynamic with no memory. */
813 prs_give_memory(current_pdu
, 0, 0, True
);
818 * Oh no ! More data in buffer than we processed in current pdu.
819 * Cheat. Move the data down and shrink the buffer.
822 memcpy(prs_data_p(current_pdu
), prs_data_p(current_pdu
) + prhdr
->frag_len
,
823 current_pdu_len
- prhdr
->frag_len
);
825 /* Remember to set the read offset back to zero. */
826 prs_set_offset(current_pdu
, 0);
828 /* Shrink the buffer. */
829 if (!prs_set_buffer_size(current_pdu
, current_pdu_len
- prhdr
->frag_len
)) {
830 return NT_STATUS_BUFFER_TOO_SMALL
;
836 /****************************************************************************
837 Send data on an rpc pipe via trans. The prs_struct data must be the last
838 pdu fragment of an NDR data stream.
840 Receive response data from an rpc pipe, which may be large...
842 Read the first fragment: unfortunately have to use SMBtrans for the first
843 bit, then SMBreadX for subsequent bits.
845 If first fragment received also wasn't the last fragment, continue
846 getting fragments until we _do_ receive the last fragment.
848 Request/Response PDU's look like the following...
850 |<------------------PDU len----------------------------------------------->|
851 |<-HDR_LEN-->|<--REQ LEN------>|.............|<-AUTH_HDRLEN->|<-AUTH_LEN-->|
853 +------------+-----------------+-------------+---------------+-------------+
854 | RPC HEADER | REQ/RESP HEADER | DATA ...... | AUTH_HDR | AUTH DATA |
855 +------------+-----------------+-------------+---------------+-------------+
857 Where the presence of the AUTH_HDR and AUTH DATA are dependent on the
858 signing & sealing being negotiated.
860 ****************************************************************************/
862 static NTSTATUS
rpc_api_pipe(struct rpc_pipe_client
*cli
,
863 prs_struct
*data
, /* Outgoing pdu fragment, already formatted for send. */
864 prs_struct
*rbuf
, /* Incoming reply - return as an NDR stream. */
865 uint8 expected_pkt_type
)
867 NTSTATUS ret
= NT_STATUS_UNSUCCESSFUL
;
869 uint32 rparam_len
= 0;
870 char *pdata
= prs_data_p(data
);
871 uint32 data_len
= prs_offset(data
);
873 uint32 rdata_len
= 0;
874 uint32 max_data
= cli
->max_xmit_frag
? cli
->max_xmit_frag
: RPC_MAX_PDU_FRAG_LEN
;
875 uint32 current_rbuf_offset
= 0;
876 prs_struct current_pdu
;
879 /* Ensure we're not sending too much. */
880 SMB_ASSERT(data_len
<= max_data
);
883 /* Set up the current pdu parse struct. */
884 prs_init_empty(¤t_pdu
, prs_get_mem_context(rbuf
), UNMARSHALL
);
886 DEBUG(5,("rpc_api_pipe: %s\n", rpccli_pipe_txt(debug_ctx(), cli
)));
888 switch (cli
->transport_type
) {
891 /* Create setup parameters - must be in native byte order. */
892 setup
[0] = TRANSACT_DCERPCCMD
;
893 setup
[1] = cli
->trans
.np
.fnum
; /* Pipe file handle. */
896 * Send the last (or only) fragment of an RPC request. For
897 * small amounts of data (about 1024 bytes or so) the RPC
898 * request and response appears in a SMBtrans request and
902 if (!cli_api_pipe(cli
->trans
.np
.cli
, "\\PIPE\\",
903 setup
, 2, 0, /* Setup, length, max */
904 NULL
, 0, 0, /* Params, length, max */
905 pdata
, data_len
, max_data
, /* data, length,
907 &rparam
, &rparam_len
, /* return params,
909 &prdata
, &rdata_len
)) /* return data, len */
911 DEBUG(0, ("rpc_api_pipe: %s returned critical error. "
913 rpccli_pipe_txt(debug_ctx(), cli
),
914 cli_errstr(cli
->trans
.np
.cli
)));
915 ret
= cli_get_nt_error(cli
->trans
.np
.cli
);
923 case NCACN_UNIX_STREAM
:
925 ssize_t nwritten
, nread
;
926 nwritten
= write_data(cli
->trans
.sock
.fd
, pdata
, data_len
);
927 if (nwritten
== -1) {
928 ret
= map_nt_error_from_unix(errno
);
929 DEBUG(0, ("rpc_api_pipe: write_data returned %s\n",
934 prdata
= SMB_MALLOC_ARRAY(char, 1);
935 if (prdata
== NULL
) {
936 return NT_STATUS_NO_MEMORY
;
938 nread
= sys_read(cli
->trans
.sock
.fd
, prdata
, 1);
943 ret
= NT_STATUS_END_OF_FILE
;
950 DEBUG(0, ("unknown transport type %d\n",
951 cli
->transport_type
));
952 return NT_STATUS_INTERNAL_ERROR
;
955 /* Throw away returned params - we know we won't use them. */
959 if (prdata
== NULL
) {
960 DEBUG(3,("rpc_api_pipe: %s failed to return data.\n",
961 rpccli_pipe_txt(debug_ctx(), cli
)));
962 /* Yes - some calls can truely return no data... */
963 prs_mem_free(¤t_pdu
);
968 * Give this memory as dynamic to the current pdu.
971 prs_give_memory(¤t_pdu
, prdata
, rdata_len
, True
);
973 /* Ensure we can mess with the return prs_struct. */
974 SMB_ASSERT(UNMARSHALLING(rbuf
));
975 SMB_ASSERT(prs_data_size(rbuf
) == 0);
977 /* Make rbuf dynamic with no memory. */
978 prs_give_memory(rbuf
, 0, 0, True
);
982 char *ret_data
= NULL
;
983 uint32 ret_data_len
= 0;
985 /* Ensure we have enough data for a pdu. */
986 ret
= cli_pipe_get_current_pdu(cli
, &rhdr
, ¤t_pdu
);
987 if (!NT_STATUS_IS_OK(ret
)) {
991 /* We pass in rbuf here so if the alloc hint is set correctly
992 we can set the output size and avoid reallocs. */
994 ret
= cli_pipe_validate_current_pdu(cli
, &rhdr
, ¤t_pdu
, expected_pkt_type
,
995 &ret_data
, &ret_data_len
, rbuf
);
997 DEBUG(10,("rpc_api_pipe: got PDU len of %u at offset %u\n",
998 prs_data_size(¤t_pdu
), current_rbuf_offset
));
1000 if (!NT_STATUS_IS_OK(ret
)) {
1004 if ((rhdr
.flags
& RPC_FLG_FIRST
)) {
1005 if (rhdr
.pack_type
[0] == 0) {
1006 /* Set the data type correctly for big-endian data on the first packet. */
1007 DEBUG(10,("rpc_api_pipe: On %s "
1008 "PDU data format is big-endian.\n",
1009 rpccli_pipe_txt(debug_ctx(), cli
)));
1011 prs_set_endian_data(rbuf
, RPC_BIG_ENDIAN
);
1013 /* Check endianness on subsequent packets. */
1014 if (current_pdu
.bigendian_data
!= rbuf
->bigendian_data
) {
1015 DEBUG(0,("rpc_api_pipe: Error : Endianness changed from %s to %s\n",
1016 rbuf
->bigendian_data
? "big" : "little",
1017 current_pdu
.bigendian_data
? "big" : "little" ));
1018 ret
= NT_STATUS_INVALID_PARAMETER
;
1024 /* Now copy the data portion out of the pdu into rbuf. */
1025 if (!prs_force_grow(rbuf
, ret_data_len
)) {
1026 ret
= NT_STATUS_NO_MEMORY
;
1029 memcpy(prs_data_p(rbuf
)+current_rbuf_offset
, ret_data
, (size_t)ret_data_len
);
1030 current_rbuf_offset
+= ret_data_len
;
1032 /* See if we've finished with all the data in current_pdu yet ? */
1033 ret
= cli_pipe_reset_current_pdu(cli
, &rhdr
, ¤t_pdu
);
1034 if (!NT_STATUS_IS_OK(ret
)) {
1038 if (rhdr
.flags
& RPC_FLG_LAST
) {
1039 break; /* We're done. */
1043 DEBUG(10,("rpc_api_pipe: %s returned %u bytes.\n",
1044 rpccli_pipe_txt(debug_ctx(), cli
),
1045 (unsigned int)prs_data_size(rbuf
) ));
1047 prs_mem_free(¤t_pdu
);
1048 return NT_STATUS_OK
;
1052 prs_mem_free(¤t_pdu
);
1057 /*******************************************************************
1058 Creates krb5 auth bind.
1059 ********************************************************************/
1061 static NTSTATUS
create_krb5_auth_bind_req( struct rpc_pipe_client
*cli
,
1062 enum pipe_auth_level auth_level
,
1063 RPC_HDR_AUTH
*pauth_out
,
1064 prs_struct
*auth_data
)
1068 struct kerberos_auth_struct
*a
= cli
->auth
->a_u
.kerberos_auth
;
1069 DATA_BLOB tkt
= data_blob_null
;
1070 DATA_BLOB tkt_wrapped
= data_blob_null
;
1072 /* We may change the pad length before marshalling. */
1073 init_rpc_hdr_auth(pauth_out
, RPC_KRB5_AUTH_TYPE
, (int)auth_level
, 0, 1);
1075 DEBUG(5, ("create_krb5_auth_bind_req: creating a service ticket for principal %s\n",
1076 a
->service_principal
));
1078 /* Create the ticket for the service principal and return it in a gss-api wrapped blob. */
1080 ret
= cli_krb5_get_ticket(a
->service_principal
, 0, &tkt
,
1081 &a
->session_key
, (uint32
)AP_OPTS_MUTUAL_REQUIRED
, NULL
, NULL
);
1084 DEBUG(1,("create_krb5_auth_bind_req: cli_krb5_get_ticket for principal %s "
1086 a
->service_principal
,
1087 error_message(ret
) ));
1089 data_blob_free(&tkt
);
1090 prs_mem_free(auth_data
);
1091 return NT_STATUS_INVALID_PARAMETER
;
1094 /* wrap that up in a nice GSS-API wrapping */
1095 tkt_wrapped
= spnego_gen_krb5_wrap(tkt
, TOK_ID_KRB_AP_REQ
);
1097 data_blob_free(&tkt
);
1099 /* Auth len in the rpc header doesn't include auth_header. */
1100 if (!prs_copy_data_in(auth_data
, (char *)tkt_wrapped
.data
, tkt_wrapped
.length
)) {
1101 data_blob_free(&tkt_wrapped
);
1102 prs_mem_free(auth_data
);
1103 return NT_STATUS_NO_MEMORY
;
1106 DEBUG(5, ("create_krb5_auth_bind_req: Created krb5 GSS blob :\n"));
1107 dump_data(5, tkt_wrapped
.data
, tkt_wrapped
.length
);
1109 data_blob_free(&tkt_wrapped
);
1110 return NT_STATUS_OK
;
1112 return NT_STATUS_INVALID_PARAMETER
;
1116 /*******************************************************************
1117 Creates SPNEGO NTLMSSP auth bind.
1118 ********************************************************************/
1120 static NTSTATUS
create_spnego_ntlmssp_auth_rpc_bind_req( struct rpc_pipe_client
*cli
,
1121 enum pipe_auth_level auth_level
,
1122 RPC_HDR_AUTH
*pauth_out
,
1123 prs_struct
*auth_data
)
1126 DATA_BLOB null_blob
= data_blob_null
;
1127 DATA_BLOB request
= data_blob_null
;
1128 DATA_BLOB spnego_msg
= data_blob_null
;
1130 /* We may change the pad length before marshalling. */
1131 init_rpc_hdr_auth(pauth_out
, RPC_SPNEGO_AUTH_TYPE
, (int)auth_level
, 0, 1);
1133 DEBUG(5, ("create_spnego_ntlmssp_auth_rpc_bind_req: Processing NTLMSSP Negotiate\n"));
1134 nt_status
= ntlmssp_update(cli
->auth
->a_u
.ntlmssp_state
,
1138 if (!NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1139 data_blob_free(&request
);
1140 prs_mem_free(auth_data
);
1144 /* Wrap this in SPNEGO. */
1145 spnego_msg
= gen_negTokenInit(OID_NTLMSSP
, request
);
1147 data_blob_free(&request
);
1149 /* Auth len in the rpc header doesn't include auth_header. */
1150 if (!prs_copy_data_in(auth_data
, (char *)spnego_msg
.data
, spnego_msg
.length
)) {
1151 data_blob_free(&spnego_msg
);
1152 prs_mem_free(auth_data
);
1153 return NT_STATUS_NO_MEMORY
;
1156 DEBUG(5, ("create_spnego_ntlmssp_auth_rpc_bind_req: NTLMSSP Negotiate:\n"));
1157 dump_data(5, spnego_msg
.data
, spnego_msg
.length
);
1159 data_blob_free(&spnego_msg
);
1160 return NT_STATUS_OK
;
1163 /*******************************************************************
1164 Creates NTLMSSP auth bind.
1165 ********************************************************************/
1167 static NTSTATUS
create_ntlmssp_auth_rpc_bind_req( struct rpc_pipe_client
*cli
,
1168 enum pipe_auth_level auth_level
,
1169 RPC_HDR_AUTH
*pauth_out
,
1170 prs_struct
*auth_data
)
1173 DATA_BLOB null_blob
= data_blob_null
;
1174 DATA_BLOB request
= data_blob_null
;
1176 /* We may change the pad length before marshalling. */
1177 init_rpc_hdr_auth(pauth_out
, RPC_NTLMSSP_AUTH_TYPE
, (int)auth_level
, 0, 1);
1179 DEBUG(5, ("create_ntlmssp_auth_rpc_bind_req: Processing NTLMSSP Negotiate\n"));
1180 nt_status
= ntlmssp_update(cli
->auth
->a_u
.ntlmssp_state
,
1184 if (!NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1185 data_blob_free(&request
);
1186 prs_mem_free(auth_data
);
1190 /* Auth len in the rpc header doesn't include auth_header. */
1191 if (!prs_copy_data_in(auth_data
, (char *)request
.data
, request
.length
)) {
1192 data_blob_free(&request
);
1193 prs_mem_free(auth_data
);
1194 return NT_STATUS_NO_MEMORY
;
1197 DEBUG(5, ("create_ntlmssp_auth_rpc_bind_req: NTLMSSP Negotiate:\n"));
1198 dump_data(5, request
.data
, request
.length
);
1200 data_blob_free(&request
);
1201 return NT_STATUS_OK
;
1204 /*******************************************************************
1205 Creates schannel auth bind.
1206 ********************************************************************/
1208 static NTSTATUS
create_schannel_auth_rpc_bind_req( struct rpc_pipe_client
*cli
,
1209 enum pipe_auth_level auth_level
,
1210 RPC_HDR_AUTH
*pauth_out
,
1211 prs_struct
*auth_data
)
1213 RPC_AUTH_SCHANNEL_NEG schannel_neg
;
1215 /* We may change the pad length before marshalling. */
1216 init_rpc_hdr_auth(pauth_out
, RPC_SCHANNEL_AUTH_TYPE
, (int)auth_level
, 0, 1);
1218 /* Use lp_workgroup() if domain not specified */
1220 if (!cli
->auth
->domain
|| !cli
->auth
->domain
[0]) {
1221 cli
->auth
->domain
= talloc_strdup(cli
, lp_workgroup());
1222 if (cli
->auth
->domain
== NULL
) {
1223 return NT_STATUS_NO_MEMORY
;
1227 init_rpc_auth_schannel_neg(&schannel_neg
, cli
->auth
->domain
,
1231 * Now marshall the data into the auth parse_struct.
1234 if(!smb_io_rpc_auth_schannel_neg("schannel_neg",
1235 &schannel_neg
, auth_data
, 0)) {
1236 DEBUG(0,("Failed to marshall RPC_AUTH_SCHANNEL_NEG.\n"));
1237 prs_mem_free(auth_data
);
1238 return NT_STATUS_NO_MEMORY
;
1241 return NT_STATUS_OK
;
1244 /*******************************************************************
1245 Creates the internals of a DCE/RPC bind request or alter context PDU.
1246 ********************************************************************/
1248 static NTSTATUS
create_bind_or_alt_ctx_internal(enum RPC_PKT_TYPE pkt_type
,
1249 prs_struct
*rpc_out
,
1251 const RPC_IFACE
*abstract
,
1252 const RPC_IFACE
*transfer
,
1253 RPC_HDR_AUTH
*phdr_auth
,
1254 prs_struct
*pauth_info
)
1258 RPC_CONTEXT rpc_ctx
;
1259 uint16 auth_len
= prs_offset(pauth_info
);
1260 uint8 ss_padding_len
= 0;
1261 uint16 frag_len
= 0;
1263 /* create the RPC context. */
1264 init_rpc_context(&rpc_ctx
, 0 /* context id */, abstract
, transfer
);
1266 /* create the bind request RPC_HDR_RB */
1267 init_rpc_hdr_rb(&hdr_rb
, RPC_MAX_PDU_FRAG_LEN
, RPC_MAX_PDU_FRAG_LEN
, 0x0, &rpc_ctx
);
1269 /* Start building the frag length. */
1270 frag_len
= RPC_HEADER_LEN
+ RPC_HDR_RB_LEN(&hdr_rb
);
1272 /* Do we need to pad ? */
1274 uint16 data_len
= RPC_HEADER_LEN
+ RPC_HDR_RB_LEN(&hdr_rb
);
1276 ss_padding_len
= 8 - (data_len
% 8);
1277 phdr_auth
->auth_pad_len
= ss_padding_len
;
1279 frag_len
+= RPC_HDR_AUTH_LEN
+ auth_len
+ ss_padding_len
;
1282 /* Create the request RPC_HDR */
1283 init_rpc_hdr(&hdr
, pkt_type
, RPC_FLG_FIRST
|RPC_FLG_LAST
, rpc_call_id
, frag_len
, auth_len
);
1285 /* Marshall the RPC header */
1286 if(!smb_io_rpc_hdr("hdr" , &hdr
, rpc_out
, 0)) {
1287 DEBUG(0,("create_bind_or_alt_ctx_internal: failed to marshall RPC_HDR.\n"));
1288 return NT_STATUS_NO_MEMORY
;
1291 /* Marshall the bind request data */
1292 if(!smb_io_rpc_hdr_rb("", &hdr_rb
, rpc_out
, 0)) {
1293 DEBUG(0,("create_bind_or_alt_ctx_internal: failed to marshall RPC_HDR_RB.\n"));
1294 return NT_STATUS_NO_MEMORY
;
1298 * Grow the outgoing buffer to store any auth info.
1302 if (ss_padding_len
) {
1304 memset(pad
, '\0', 8);
1305 if (!prs_copy_data_in(rpc_out
, pad
, ss_padding_len
)) {
1306 DEBUG(0,("create_bind_or_alt_ctx_internal: failed to marshall padding.\n"));
1307 return NT_STATUS_NO_MEMORY
;
1311 if(!smb_io_rpc_hdr_auth("hdr_auth", phdr_auth
, rpc_out
, 0)) {
1312 DEBUG(0,("create_bind_or_alt_ctx_internal: failed to marshall RPC_HDR_AUTH.\n"));
1313 return NT_STATUS_NO_MEMORY
;
1317 if(!prs_append_prs_data( rpc_out
, pauth_info
)) {
1318 DEBUG(0,("create_bind_or_alt_ctx_internal: failed to grow parse struct to add auth.\n"));
1319 return NT_STATUS_NO_MEMORY
;
1323 return NT_STATUS_OK
;
1326 /*******************************************************************
1327 Creates a DCE/RPC bind request.
1328 ********************************************************************/
1330 static NTSTATUS
create_rpc_bind_req(struct rpc_pipe_client
*cli
,
1331 prs_struct
*rpc_out
,
1333 const RPC_IFACE
*abstract
,
1334 const RPC_IFACE
*transfer
,
1335 enum pipe_auth_type auth_type
,
1336 enum pipe_auth_level auth_level
)
1338 RPC_HDR_AUTH hdr_auth
;
1339 prs_struct auth_info
;
1340 NTSTATUS ret
= NT_STATUS_OK
;
1342 ZERO_STRUCT(hdr_auth
);
1343 if (!prs_init(&auth_info
, RPC_HDR_AUTH_LEN
, prs_get_mem_context(rpc_out
), MARSHALL
))
1344 return NT_STATUS_NO_MEMORY
;
1346 switch (auth_type
) {
1347 case PIPE_AUTH_TYPE_SCHANNEL
:
1348 ret
= create_schannel_auth_rpc_bind_req(cli
, auth_level
, &hdr_auth
, &auth_info
);
1349 if (!NT_STATUS_IS_OK(ret
)) {
1350 prs_mem_free(&auth_info
);
1355 case PIPE_AUTH_TYPE_NTLMSSP
:
1356 ret
= create_ntlmssp_auth_rpc_bind_req(cli
, auth_level
, &hdr_auth
, &auth_info
);
1357 if (!NT_STATUS_IS_OK(ret
)) {
1358 prs_mem_free(&auth_info
);
1363 case PIPE_AUTH_TYPE_SPNEGO_NTLMSSP
:
1364 ret
= create_spnego_ntlmssp_auth_rpc_bind_req(cli
, auth_level
, &hdr_auth
, &auth_info
);
1365 if (!NT_STATUS_IS_OK(ret
)) {
1366 prs_mem_free(&auth_info
);
1371 case PIPE_AUTH_TYPE_KRB5
:
1372 ret
= create_krb5_auth_bind_req(cli
, auth_level
, &hdr_auth
, &auth_info
);
1373 if (!NT_STATUS_IS_OK(ret
)) {
1374 prs_mem_free(&auth_info
);
1379 case PIPE_AUTH_TYPE_NONE
:
1383 /* "Can't" happen. */
1384 return NT_STATUS_INVALID_INFO_CLASS
;
1387 ret
= create_bind_or_alt_ctx_internal(RPC_BIND
,
1395 prs_mem_free(&auth_info
);
1399 /*******************************************************************
1400 Create and add the NTLMSSP sign/seal auth header and data.
1401 ********************************************************************/
1403 static NTSTATUS
add_ntlmssp_auth_footer(struct rpc_pipe_client
*cli
,
1405 uint32 ss_padding_len
,
1406 prs_struct
*outgoing_pdu
)
1408 RPC_HDR_AUTH auth_info
;
1410 DATA_BLOB auth_blob
= data_blob_null
;
1411 uint16 data_and_pad_len
= prs_offset(outgoing_pdu
) - RPC_HEADER_LEN
- RPC_HDR_RESP_LEN
;
1413 if (!cli
->auth
->a_u
.ntlmssp_state
) {
1414 return NT_STATUS_INVALID_PARAMETER
;
1417 /* Init and marshall the auth header. */
1418 init_rpc_hdr_auth(&auth_info
,
1419 map_pipe_auth_type_to_rpc_auth_type(
1420 cli
->auth
->auth_type
),
1421 cli
->auth
->auth_level
,
1423 1 /* context id. */);
1425 if(!smb_io_rpc_hdr_auth("hdr_auth", &auth_info
, outgoing_pdu
, 0)) {
1426 DEBUG(0,("add_ntlmssp_auth_footer: failed to marshall RPC_HDR_AUTH.\n"));
1427 data_blob_free(&auth_blob
);
1428 return NT_STATUS_NO_MEMORY
;
1431 switch (cli
->auth
->auth_level
) {
1432 case PIPE_AUTH_LEVEL_PRIVACY
:
1433 /* Data portion is encrypted. */
1434 status
= ntlmssp_seal_packet(cli
->auth
->a_u
.ntlmssp_state
,
1435 (unsigned char *)prs_data_p(outgoing_pdu
) + RPC_HEADER_LEN
+ RPC_HDR_RESP_LEN
,
1437 (unsigned char *)prs_data_p(outgoing_pdu
),
1438 (size_t)prs_offset(outgoing_pdu
),
1440 if (!NT_STATUS_IS_OK(status
)) {
1441 data_blob_free(&auth_blob
);
1446 case PIPE_AUTH_LEVEL_INTEGRITY
:
1447 /* Data is signed. */
1448 status
= ntlmssp_sign_packet(cli
->auth
->a_u
.ntlmssp_state
,
1449 (unsigned char *)prs_data_p(outgoing_pdu
) + RPC_HEADER_LEN
+ RPC_HDR_RESP_LEN
,
1451 (unsigned char *)prs_data_p(outgoing_pdu
),
1452 (size_t)prs_offset(outgoing_pdu
),
1454 if (!NT_STATUS_IS_OK(status
)) {
1455 data_blob_free(&auth_blob
);
1462 smb_panic("bad auth level");
1464 return NT_STATUS_INVALID_PARAMETER
;
1467 /* Finally marshall the blob. */
1469 if (!prs_copy_data_in(outgoing_pdu
, (const char *)auth_blob
.data
, NTLMSSP_SIG_SIZE
)) {
1470 DEBUG(0,("add_ntlmssp_auth_footer: failed to add %u bytes auth blob.\n",
1471 (unsigned int)NTLMSSP_SIG_SIZE
));
1472 data_blob_free(&auth_blob
);
1473 return NT_STATUS_NO_MEMORY
;
1476 data_blob_free(&auth_blob
);
1477 return NT_STATUS_OK
;
1480 /*******************************************************************
1481 Create and add the schannel sign/seal auth header and data.
1482 ********************************************************************/
1484 static NTSTATUS
add_schannel_auth_footer(struct rpc_pipe_client
*cli
,
1486 uint32 ss_padding_len
,
1487 prs_struct
*outgoing_pdu
)
1489 RPC_HDR_AUTH auth_info
;
1490 RPC_AUTH_SCHANNEL_CHK verf
;
1491 struct schannel_auth_struct
*sas
= cli
->auth
->a_u
.schannel_auth
;
1492 char *data_p
= prs_data_p(outgoing_pdu
) + RPC_HEADER_LEN
+ RPC_HDR_RESP_LEN
;
1493 size_t data_and_pad_len
= prs_offset(outgoing_pdu
) - RPC_HEADER_LEN
- RPC_HDR_RESP_LEN
;
1496 return NT_STATUS_INVALID_PARAMETER
;
1499 /* Init and marshall the auth header. */
1500 init_rpc_hdr_auth(&auth_info
,
1501 map_pipe_auth_type_to_rpc_auth_type(cli
->auth
->auth_type
),
1502 cli
->auth
->auth_level
,
1504 1 /* context id. */);
1506 if(!smb_io_rpc_hdr_auth("hdr_auth", &auth_info
, outgoing_pdu
, 0)) {
1507 DEBUG(0,("add_schannel_auth_footer: failed to marshall RPC_HDR_AUTH.\n"));
1508 return NT_STATUS_NO_MEMORY
;
1511 switch (cli
->auth
->auth_level
) {
1512 case PIPE_AUTH_LEVEL_PRIVACY
:
1513 case PIPE_AUTH_LEVEL_INTEGRITY
:
1514 DEBUG(10,("add_schannel_auth_footer: SCHANNEL seq_num=%d\n",
1517 schannel_encode(sas
,
1518 cli
->auth
->auth_level
,
1519 SENDER_IS_INITIATOR
,
1529 smb_panic("bad auth level");
1531 return NT_STATUS_INVALID_PARAMETER
;
1534 /* Finally marshall the blob. */
1535 smb_io_rpc_auth_schannel_chk("",
1536 RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN
,
1541 return NT_STATUS_OK
;
1544 /*******************************************************************
1545 Calculate how much data we're going to send in this packet, also
1546 work out any sign/seal padding length.
1547 ********************************************************************/
1549 static uint32
calculate_data_len_tosend(struct rpc_pipe_client
*cli
,
1553 uint32
*p_ss_padding
)
1555 uint32 data_space
, data_len
;
1557 switch (cli
->auth
->auth_level
) {
1558 case PIPE_AUTH_LEVEL_NONE
:
1559 case PIPE_AUTH_LEVEL_CONNECT
:
1560 data_space
= cli
->max_xmit_frag
- RPC_HEADER_LEN
- RPC_HDR_REQ_LEN
;
1561 data_len
= MIN(data_space
, data_left
);
1564 *p_frag_len
= RPC_HEADER_LEN
+ RPC_HDR_REQ_LEN
+ data_len
;
1567 case PIPE_AUTH_LEVEL_INTEGRITY
:
1568 case PIPE_AUTH_LEVEL_PRIVACY
:
1569 /* Treat the same for all authenticated rpc requests. */
1570 switch(cli
->auth
->auth_type
) {
1571 case PIPE_AUTH_TYPE_SPNEGO_NTLMSSP
:
1572 case PIPE_AUTH_TYPE_NTLMSSP
:
1573 *p_auth_len
= NTLMSSP_SIG_SIZE
;
1575 case PIPE_AUTH_TYPE_SCHANNEL
:
1576 *p_auth_len
= RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN
;
1579 smb_panic("bad auth type");
1583 data_space
= cli
->max_xmit_frag
- RPC_HEADER_LEN
- RPC_HDR_REQ_LEN
-
1584 RPC_HDR_AUTH_LEN
- *p_auth_len
;
1586 data_len
= MIN(data_space
, data_left
);
1588 *p_ss_padding
= 8 - (data_len
% 8);
1590 *p_frag_len
= RPC_HEADER_LEN
+ RPC_HDR_REQ_LEN
+ /* Normal headers. */
1591 data_len
+ *p_ss_padding
+ /* data plus padding. */
1592 RPC_HDR_AUTH_LEN
+ *p_auth_len
; /* Auth header and auth data. */
1596 smb_panic("bad auth level");
1602 /*******************************************************************
1604 Does an rpc request on a pipe. Incoming data is NDR encoded in in_data.
1605 Reply is NDR encoded in out_data. Splits the data stream into RPC PDU's
1606 and deals with signing/sealing details.
1607 ********************************************************************/
1609 NTSTATUS
rpc_api_pipe_req(struct rpc_pipe_client
*cli
,
1611 prs_struct
*in_data
,
1612 prs_struct
*out_data
)
1615 uint32 data_left
= prs_offset(in_data
);
1616 uint32 alloc_hint
= prs_offset(in_data
);
1617 uint32 data_sent_thistime
= 0;
1618 uint32 current_data_offset
= 0;
1619 uint32 call_id
= get_rpc_call_id();
1621 prs_struct outgoing_pdu
;
1623 memset(pad
, '\0', 8);
1625 if (cli
->max_xmit_frag
< RPC_HEADER_LEN
+ RPC_HDR_REQ_LEN
+ RPC_MAX_SIGN_SIZE
) {
1626 /* Server is screwed up ! */
1627 return NT_STATUS_INVALID_PARAMETER
;
1630 if (!prs_init(&outgoing_pdu
, cli
->max_xmit_frag
, prs_get_mem_context(in_data
), MARSHALL
))
1631 return NT_STATUS_NO_MEMORY
;
1635 RPC_HDR_REQ hdr_req
;
1636 uint16 auth_len
= 0;
1637 uint16 frag_len
= 0;
1639 uint32 ss_padding
= 0;
1641 data_sent_thistime
= calculate_data_len_tosend(cli
, data_left
,
1642 &frag_len
, &auth_len
, &ss_padding
);
1644 if (current_data_offset
== 0) {
1645 flags
= RPC_FLG_FIRST
;
1648 if (data_sent_thistime
== data_left
) {
1649 flags
|= RPC_FLG_LAST
;
1652 /* Create and marshall the header and request header. */
1653 init_rpc_hdr(&hdr
, RPC_REQUEST
, flags
, call_id
, frag_len
, auth_len
);
1655 if(!smb_io_rpc_hdr("hdr ", &hdr
, &outgoing_pdu
, 0)) {
1656 prs_mem_free(&outgoing_pdu
);
1657 return NT_STATUS_NO_MEMORY
;
1660 /* Create the rpc request RPC_HDR_REQ */
1661 init_rpc_hdr_req(&hdr_req
, alloc_hint
, op_num
);
1663 if(!smb_io_rpc_hdr_req("hdr_req", &hdr_req
, &outgoing_pdu
, 0)) {
1664 prs_mem_free(&outgoing_pdu
);
1665 return NT_STATUS_NO_MEMORY
;
1668 /* Copy in the data, plus any ss padding. */
1669 if (!prs_append_some_prs_data(&outgoing_pdu
, in_data
, current_data_offset
, data_sent_thistime
)) {
1670 prs_mem_free(&outgoing_pdu
);
1671 return NT_STATUS_NO_MEMORY
;
1674 /* Copy the sign/seal padding data. */
1676 if (!prs_copy_data_in(&outgoing_pdu
, pad
, ss_padding
)) {
1677 prs_mem_free(&outgoing_pdu
);
1678 return NT_STATUS_NO_MEMORY
;
1682 /* Generate any auth sign/seal and add the auth footer. */
1684 switch (cli
->auth
->auth_type
) {
1685 case PIPE_AUTH_TYPE_NONE
:
1687 case PIPE_AUTH_TYPE_NTLMSSP
:
1688 case PIPE_AUTH_TYPE_SPNEGO_NTLMSSP
:
1689 ret
= add_ntlmssp_auth_footer(cli
, &hdr
, ss_padding
, &outgoing_pdu
);
1690 if (!NT_STATUS_IS_OK(ret
)) {
1691 prs_mem_free(&outgoing_pdu
);
1695 case PIPE_AUTH_TYPE_SCHANNEL
:
1696 ret
= add_schannel_auth_footer(cli
, &hdr
, ss_padding
, &outgoing_pdu
);
1697 if (!NT_STATUS_IS_OK(ret
)) {
1698 prs_mem_free(&outgoing_pdu
);
1703 smb_panic("bad auth type");
1704 break; /* notreached */
1708 /* Actually send the packet. */
1709 if (flags
& RPC_FLG_LAST
) {
1710 /* Last packet - send the data, get the reply and return. */
1711 ret
= rpc_api_pipe(cli
, &outgoing_pdu
, out_data
, RPC_RESPONSE
);
1712 prs_mem_free(&outgoing_pdu
);
1714 if ((DEBUGLEVEL
>= 50)
1715 && (cli
->transport_type
== NCACN_NP
)) {
1716 char *dump_name
= NULL
;
1717 /* Also capture received data */
1718 if (asprintf(&dump_name
, "%s/reply_%s_%d",
1719 get_dyn_LOGFILEBASE(),
1720 cli
->trans
.np
.pipe_name
, op_num
) > 0) {
1721 prs_dump(dump_name
, op_num
, out_data
);
1722 SAFE_FREE(dump_name
);
1728 /* More packets to come - write and continue. */
1729 ssize_t num_written
;
1731 switch (cli
->transport_type
) {
1733 num_written
= cli_write(cli
->trans
.np
.cli
,
1735 8, /* 8 means message mode. */
1736 prs_data_p(&outgoing_pdu
),
1738 (size_t)hdr
.frag_len
);
1740 if (num_written
!= hdr
.frag_len
) {
1741 prs_mem_free(&outgoing_pdu
);
1742 return cli_get_nt_error(
1747 case NCACN_UNIX_STREAM
:
1748 num_written
= write_data(
1750 prs_data_p(&outgoing_pdu
),
1751 (size_t)hdr
.frag_len
);
1752 if (num_written
!= hdr
.frag_len
) {
1754 status
= map_nt_error_from_unix(errno
);
1755 prs_mem_free(&outgoing_pdu
);
1760 DEBUG(0, ("unknown transport type %d\n",
1761 cli
->transport_type
));
1762 return NT_STATUS_INTERNAL_ERROR
;
1766 current_data_offset
+= data_sent_thistime
;
1767 data_left
-= data_sent_thistime
;
1769 /* Reset the marshalling position back to zero. */
1770 if (!prs_set_offset(&outgoing_pdu
, 0)) {
1771 prs_mem_free(&outgoing_pdu
);
1772 return NT_STATUS_NO_MEMORY
;
1777 /****************************************************************************
1778 Set the handle state.
1779 ****************************************************************************/
1781 static bool rpc_pipe_set_hnd_state(struct rpc_pipe_client
*cli
,
1782 const char *pipe_name
, uint16 device_state
)
1784 bool state_set
= False
;
1786 uint16 setup
[2]; /* only need 2 uint16 setup parameters */
1787 char *rparam
= NULL
;
1789 uint32 rparam_len
, rdata_len
;
1791 if (pipe_name
== NULL
)
1794 DEBUG(5,("Set Handle state Pipe[%x]: %s - device state:%x\n",
1795 cli
->fnum
, pipe_name
, device_state
));
1797 /* create parameters: device state */
1798 SSVAL(param
, 0, device_state
);
1800 /* create setup parameters. */
1802 setup
[1] = cli
->fnum
; /* pipe file handle. got this from an SMBOpenX. */
1804 /* send the data on \PIPE\ */
1805 if (cli_api_pipe(cli
->cli
, "\\PIPE\\",
1806 setup
, 2, 0, /* setup, length, max */
1807 param
, 2, 0, /* param, length, max */
1808 NULL
, 0, 1024, /* data, length, max */
1809 &rparam
, &rparam_len
, /* return param, length */
1810 &rdata
, &rdata_len
)) /* return data, length */
1812 DEBUG(5, ("Set Handle state: return OK\n"));
1823 /****************************************************************************
1824 Check the rpc bind acknowledge response.
1825 ****************************************************************************/
1827 static bool check_bind_response(RPC_HDR_BA
*hdr_ba
, const RPC_IFACE
*transfer
)
1829 if ( hdr_ba
->addr
.len
== 0) {
1830 DEBUG(4,("Ignoring length check -- ASU bug (server didn't fill in the pipe name correctly)"));
1833 /* check the transfer syntax */
1834 if ((hdr_ba
->transfer
.if_version
!= transfer
->if_version
) ||
1835 (memcmp(&hdr_ba
->transfer
.uuid
, &transfer
->uuid
, sizeof(transfer
->uuid
)) !=0)) {
1836 DEBUG(2,("bind_rpc_pipe: transfer syntax differs\n"));
1840 if (hdr_ba
->res
.num_results
!= 0x1 || hdr_ba
->res
.result
!= 0) {
1841 DEBUG(2,("bind_rpc_pipe: bind denied results: %d reason: %x\n",
1842 hdr_ba
->res
.num_results
, hdr_ba
->res
.reason
));
1845 DEBUG(5,("check_bind_response: accepted!\n"));
1849 /*******************************************************************
1850 Creates a DCE/RPC bind authentication response.
1851 This is the packet that is sent back to the server once we
1852 have received a BIND-ACK, to finish the third leg of
1853 the authentication handshake.
1854 ********************************************************************/
1856 static NTSTATUS
create_rpc_bind_auth3(struct rpc_pipe_client
*cli
,
1858 enum pipe_auth_type auth_type
,
1859 enum pipe_auth_level auth_level
,
1860 DATA_BLOB
*pauth_blob
,
1861 prs_struct
*rpc_out
)
1864 RPC_HDR_AUTH hdr_auth
;
1867 /* Create the request RPC_HDR */
1868 init_rpc_hdr(&hdr
, RPC_AUTH3
, RPC_FLG_FIRST
|RPC_FLG_LAST
, rpc_call_id
,
1869 RPC_HEADER_LEN
+ 4 /* pad */ + RPC_HDR_AUTH_LEN
+ pauth_blob
->length
,
1870 pauth_blob
->length
);
1873 if(!smb_io_rpc_hdr("hdr", &hdr
, rpc_out
, 0)) {
1874 DEBUG(0,("create_rpc_bind_auth3: failed to marshall RPC_HDR.\n"));
1875 return NT_STATUS_NO_MEMORY
;
1879 I'm puzzled about this - seems to violate the DCE RPC auth rules,
1880 about padding - shouldn't this pad to length 8 ? JRA.
1883 /* 4 bytes padding. */
1884 if (!prs_uint32("pad", rpc_out
, 0, &pad
)) {
1885 DEBUG(0,("create_rpc_bind_auth3: failed to marshall 4 byte pad.\n"));
1886 return NT_STATUS_NO_MEMORY
;
1889 /* Create the request RPC_HDR_AUTHA */
1890 init_rpc_hdr_auth(&hdr_auth
,
1891 map_pipe_auth_type_to_rpc_auth_type(auth_type
),
1894 if(!smb_io_rpc_hdr_auth("hdr_auth", &hdr_auth
, rpc_out
, 0)) {
1895 DEBUG(0,("create_rpc_bind_auth3: failed to marshall RPC_HDR_AUTHA.\n"));
1896 return NT_STATUS_NO_MEMORY
;
1900 * Append the auth data to the outgoing buffer.
1903 if(!prs_copy_data_in(rpc_out
, (char *)pauth_blob
->data
, pauth_blob
->length
)) {
1904 DEBUG(0,("create_rpc_bind_auth3: failed to marshall auth blob.\n"));
1905 return NT_STATUS_NO_MEMORY
;
1908 return NT_STATUS_OK
;
1911 /****************************************************************************
1912 Create and send the third packet in an RPC auth.
1913 ****************************************************************************/
1915 static NTSTATUS
rpc_finish_auth3_bind(struct rpc_pipe_client
*cli
,
1919 enum pipe_auth_type auth_type
,
1920 enum pipe_auth_level auth_level
)
1922 DATA_BLOB server_response
= data_blob_null
;
1923 DATA_BLOB client_reply
= data_blob_null
;
1924 RPC_HDR_AUTH hdr_auth
;
1929 if (!phdr
->auth_len
|| (phdr
->frag_len
< phdr
->auth_len
+ RPC_HDR_AUTH_LEN
)) {
1930 return NT_STATUS_INVALID_PARAMETER
;
1933 /* Process the returned NTLMSSP blob first. */
1934 if (!prs_set_offset(rbuf
, phdr
->frag_len
- phdr
->auth_len
- RPC_HDR_AUTH_LEN
)) {
1935 return NT_STATUS_INVALID_PARAMETER
;
1938 if(!smb_io_rpc_hdr_auth("hdr_auth", &hdr_auth
, rbuf
, 0)) {
1939 return NT_STATUS_INVALID_PARAMETER
;
1942 /* TODO - check auth_type/auth_level match. */
1944 server_response
= data_blob(NULL
, phdr
->auth_len
);
1945 prs_copy_data_out((char *)server_response
.data
, rbuf
, phdr
->auth_len
);
1947 nt_status
= ntlmssp_update(cli
->auth
->a_u
.ntlmssp_state
,
1951 if (!NT_STATUS_IS_OK(nt_status
)) {
1952 DEBUG(0,("rpc_finish_auth3_bind: NTLMSSP update using server blob failed.\n"));
1953 data_blob_free(&server_response
);
1957 prs_init_empty(&rpc_out
, prs_get_mem_context(rbuf
), MARSHALL
);
1959 nt_status
= create_rpc_bind_auth3(cli
, rpc_call_id
,
1960 auth_type
, auth_level
,
1961 &client_reply
, &rpc_out
);
1963 if (!NT_STATUS_IS_OK(nt_status
)) {
1964 prs_mem_free(&rpc_out
);
1965 data_blob_free(&client_reply
);
1966 data_blob_free(&server_response
);
1970 switch (cli
->transport_type
) {
1972 /* 8 here is named pipe message mode. */
1973 ret
= cli_write(cli
->trans
.np
.cli
, cli
->trans
.np
.fnum
,
1974 0x8, prs_data_p(&rpc_out
), 0,
1975 (size_t)prs_offset(&rpc_out
));
1978 if (ret
!= (ssize_t
)prs_offset(&rpc_out
)) {
1979 nt_status
= cli_get_nt_error(cli
->trans
.np
.cli
);
1982 case NCACN_UNIX_STREAM
:
1983 ret
= write_data(cli
->trans
.sock
.fd
, prs_data_p(&rpc_out
),
1984 (size_t)prs_offset(&rpc_out
));
1985 if (ret
!= (ssize_t
)prs_offset(&rpc_out
)) {
1986 nt_status
= map_nt_error_from_unix(errno
);
1990 DEBUG(0, ("unknown transport type %d\n", cli
->transport_type
));
1991 return NT_STATUS_INTERNAL_ERROR
;
1994 if (ret
!= (ssize_t
)prs_offset(&rpc_out
)) {
1995 DEBUG(0,("rpc_send_auth_auth3: write failed. Return was %s\n",
1996 nt_errstr(nt_status
)));
1997 prs_mem_free(&rpc_out
);
1998 data_blob_free(&client_reply
);
1999 data_blob_free(&server_response
);
2003 DEBUG(5,("rpc_send_auth_auth3: %s sent auth3 response ok.\n",
2004 rpccli_pipe_txt(debug_ctx(), cli
)));
2006 prs_mem_free(&rpc_out
);
2007 data_blob_free(&client_reply
);
2008 data_blob_free(&server_response
);
2009 return NT_STATUS_OK
;
2012 /*******************************************************************
2013 Creates a DCE/RPC bind alter context authentication request which
2014 may contain a spnego auth blobl
2015 ********************************************************************/
2017 static NTSTATUS
create_rpc_alter_context(uint32 rpc_call_id
,
2018 const RPC_IFACE
*abstract
,
2019 const RPC_IFACE
*transfer
,
2020 enum pipe_auth_level auth_level
,
2021 const DATA_BLOB
*pauth_blob
, /* spnego auth blob already created. */
2022 prs_struct
*rpc_out
)
2024 RPC_HDR_AUTH hdr_auth
;
2025 prs_struct auth_info
;
2026 NTSTATUS ret
= NT_STATUS_OK
;
2028 ZERO_STRUCT(hdr_auth
);
2029 if (!prs_init(&auth_info
, RPC_HDR_AUTH_LEN
, prs_get_mem_context(rpc_out
), MARSHALL
))
2030 return NT_STATUS_NO_MEMORY
;
2032 /* We may change the pad length before marshalling. */
2033 init_rpc_hdr_auth(&hdr_auth
, RPC_SPNEGO_AUTH_TYPE
, (int)auth_level
, 0, 1);
2035 if (pauth_blob
->length
) {
2036 if (!prs_copy_data_in(&auth_info
, (const char *)pauth_blob
->data
, pauth_blob
->length
)) {
2037 prs_mem_free(&auth_info
);
2038 return NT_STATUS_NO_MEMORY
;
2042 ret
= create_bind_or_alt_ctx_internal(RPC_ALTCONT
,
2049 prs_mem_free(&auth_info
);
2053 /*******************************************************************
2054 Third leg of the SPNEGO bind mechanism - sends alter context PDU
2055 and gets a response.
2056 ********************************************************************/
2058 static NTSTATUS
rpc_finish_spnego_ntlmssp_bind(struct rpc_pipe_client
*cli
,
2062 const RPC_IFACE
*abstract
,
2063 const RPC_IFACE
*transfer
,
2064 enum pipe_auth_type auth_type
,
2065 enum pipe_auth_level auth_level
)
2067 DATA_BLOB server_spnego_response
= data_blob_null
;
2068 DATA_BLOB server_ntlm_response
= data_blob_null
;
2069 DATA_BLOB client_reply
= data_blob_null
;
2070 DATA_BLOB tmp_blob
= data_blob_null
;
2071 RPC_HDR_AUTH hdr_auth
;
2075 if (!phdr
->auth_len
|| (phdr
->frag_len
< phdr
->auth_len
+ RPC_HDR_AUTH_LEN
)) {
2076 return NT_STATUS_INVALID_PARAMETER
;
2079 /* Process the returned NTLMSSP blob first. */
2080 if (!prs_set_offset(rbuf
, phdr
->frag_len
- phdr
->auth_len
- RPC_HDR_AUTH_LEN
)) {
2081 return NT_STATUS_INVALID_PARAMETER
;
2084 if(!smb_io_rpc_hdr_auth("hdr_auth", &hdr_auth
, rbuf
, 0)) {
2085 return NT_STATUS_INVALID_PARAMETER
;
2088 server_spnego_response
= data_blob(NULL
, phdr
->auth_len
);
2089 prs_copy_data_out((char *)server_spnego_response
.data
, rbuf
, phdr
->auth_len
);
2091 /* The server might give us back two challenges - tmp_blob is for the second. */
2092 if (!spnego_parse_challenge(server_spnego_response
, &server_ntlm_response
, &tmp_blob
)) {
2093 data_blob_free(&server_spnego_response
);
2094 data_blob_free(&server_ntlm_response
);
2095 data_blob_free(&tmp_blob
);
2096 return NT_STATUS_INVALID_PARAMETER
;
2099 /* We're finished with the server spnego response and the tmp_blob. */
2100 data_blob_free(&server_spnego_response
);
2101 data_blob_free(&tmp_blob
);
2103 nt_status
= ntlmssp_update(cli
->auth
->a_u
.ntlmssp_state
,
2104 server_ntlm_response
,
2107 /* Finished with the server_ntlm response */
2108 data_blob_free(&server_ntlm_response
);
2110 if (!NT_STATUS_IS_OK(nt_status
)) {
2111 DEBUG(0,("rpc_finish_spnego_ntlmssp_bind: NTLMSSP update using server blob failed.\n"));
2112 data_blob_free(&client_reply
);
2116 /* SPNEGO wrap the client reply. */
2117 tmp_blob
= spnego_gen_auth(client_reply
);
2118 data_blob_free(&client_reply
);
2119 client_reply
= tmp_blob
;
2120 tmp_blob
= data_blob_null
; /* Ensure it's safe to free this just in case. */
2122 /* Now prepare the alter context pdu. */
2123 prs_init_empty(&rpc_out
, prs_get_mem_context(rbuf
), MARSHALL
);
2125 nt_status
= create_rpc_alter_context(rpc_call_id
,
2132 data_blob_free(&client_reply
);
2134 if (!NT_STATUS_IS_OK(nt_status
)) {
2135 prs_mem_free(&rpc_out
);
2139 /* Initialize the returning data struct. */
2141 prs_init_empty(rbuf
, talloc_tos(), UNMARSHALL
);
2143 nt_status
= rpc_api_pipe(cli
, &rpc_out
, rbuf
, RPC_ALTCONTRESP
);
2144 if (!NT_STATUS_IS_OK(nt_status
)) {
2145 prs_mem_free(&rpc_out
);
2149 prs_mem_free(&rpc_out
);
2151 /* Get the auth blob from the reply. */
2152 if(!smb_io_rpc_hdr("rpc_hdr ", phdr
, rbuf
, 0)) {
2153 DEBUG(0,("rpc_finish_spnego_ntlmssp_bind: Failed to unmarshall RPC_HDR.\n"));
2154 return NT_STATUS_BUFFER_TOO_SMALL
;
2157 if (!prs_set_offset(rbuf
, phdr
->frag_len
- phdr
->auth_len
- RPC_HDR_AUTH_LEN
)) {
2158 return NT_STATUS_INVALID_PARAMETER
;
2161 if(!smb_io_rpc_hdr_auth("hdr_auth", &hdr_auth
, rbuf
, 0)) {
2162 return NT_STATUS_INVALID_PARAMETER
;
2165 server_spnego_response
= data_blob(NULL
, phdr
->auth_len
);
2166 prs_copy_data_out((char *)server_spnego_response
.data
, rbuf
, phdr
->auth_len
);
2168 /* Check we got a valid auth response. */
2169 if (!spnego_parse_auth_response(server_spnego_response
, NT_STATUS_OK
, OID_NTLMSSP
, &tmp_blob
)) {
2170 data_blob_free(&server_spnego_response
);
2171 data_blob_free(&tmp_blob
);
2172 return NT_STATUS_INVALID_PARAMETER
;
2175 data_blob_free(&server_spnego_response
);
2176 data_blob_free(&tmp_blob
);
2178 DEBUG(5,("rpc_finish_spnego_ntlmssp_bind: alter context request to "
2179 "%s.\n", rpccli_pipe_txt(debug_ctx(), cli
)));
2181 return NT_STATUS_OK
;
2184 /****************************************************************************
2186 ****************************************************************************/
2188 NTSTATUS
rpc_pipe_bind(struct rpc_pipe_client
*cli
,
2189 struct cli_pipe_auth_data
*auth
)
2198 DEBUG(5,("Bind RPC Pipe: %s auth_type %u, auth_level %u\n",
2199 rpccli_pipe_txt(debug_ctx(), cli
),
2200 (unsigned int)auth
->auth_type
,
2201 (unsigned int)auth
->auth_level
));
2203 cli
->auth
= talloc_move(cli
, &auth
);
2205 prs_init_empty(&rpc_out
, talloc_tos(), MARSHALL
);
2207 rpc_call_id
= get_rpc_call_id();
2209 /* Marshall the outgoing data. */
2210 status
= create_rpc_bind_req(cli
, &rpc_out
, rpc_call_id
,
2211 &cli
->abstract_syntax
,
2212 &cli
->transfer_syntax
,
2213 cli
->auth
->auth_type
,
2214 cli
->auth
->auth_level
);
2216 if (!NT_STATUS_IS_OK(status
)) {
2217 prs_mem_free(&rpc_out
);
2221 /* Initialize the incoming data struct. */
2222 prs_init_empty(&rbuf
, talloc_tos(), UNMARSHALL
);
2224 /* send data on \PIPE\. receive a response */
2225 status
= rpc_api_pipe(cli
, &rpc_out
, &rbuf
, RPC_BINDACK
);
2226 if (!NT_STATUS_IS_OK(status
)) {
2227 prs_mem_free(&rpc_out
);
2231 prs_mem_free(&rpc_out
);
2233 DEBUG(3,("rpc_pipe_bind: %s bind request returned ok.\n",
2234 rpccli_pipe_txt(debug_ctx(), cli
)));
2236 /* Unmarshall the RPC header */
2237 if(!smb_io_rpc_hdr("hdr" , &hdr
, &rbuf
, 0)) {
2238 DEBUG(0,("rpc_pipe_bind: failed to unmarshall RPC_HDR.\n"));
2239 prs_mem_free(&rbuf
);
2240 return NT_STATUS_BUFFER_TOO_SMALL
;
2243 if(!smb_io_rpc_hdr_ba("", &hdr_ba
, &rbuf
, 0)) {
2244 DEBUG(0,("rpc_pipe_bind: Failed to unmarshall RPC_HDR_BA.\n"));
2245 prs_mem_free(&rbuf
);
2246 return NT_STATUS_BUFFER_TOO_SMALL
;
2249 if(!check_bind_response(&hdr_ba
, &cli
->transfer_syntax
)) {
2250 DEBUG(2,("rpc_pipe_bind: check_bind_response failed.\n"));
2251 prs_mem_free(&rbuf
);
2252 return NT_STATUS_BUFFER_TOO_SMALL
;
2255 cli
->max_xmit_frag
= hdr_ba
.bba
.max_tsize
;
2256 cli
->max_recv_frag
= hdr_ba
.bba
.max_rsize
;
2258 /* For authenticated binds we may need to do 3 or 4 leg binds. */
2259 switch(cli
->auth
->auth_type
) {
2261 case PIPE_AUTH_TYPE_NONE
:
2262 case PIPE_AUTH_TYPE_SCHANNEL
:
2263 /* Bind complete. */
2266 case PIPE_AUTH_TYPE_NTLMSSP
:
2267 /* Need to send AUTH3 packet - no reply. */
2268 status
= rpc_finish_auth3_bind(
2269 cli
, &hdr
, &rbuf
, rpc_call_id
,
2270 cli
->auth
->auth_type
,
2271 cli
->auth
->auth_level
);
2272 if (!NT_STATUS_IS_OK(status
)) {
2273 prs_mem_free(&rbuf
);
2278 case PIPE_AUTH_TYPE_SPNEGO_NTLMSSP
:
2279 /* Need to send alter context request and reply. */
2280 status
= rpc_finish_spnego_ntlmssp_bind(
2281 cli
, &hdr
, &rbuf
, rpc_call_id
,
2282 &cli
->abstract_syntax
, &cli
->transfer_syntax
,
2283 cli
->auth
->auth_type
, cli
->auth
->auth_level
);
2284 if (!NT_STATUS_IS_OK(status
)) {
2285 prs_mem_free(&rbuf
);
2290 case PIPE_AUTH_TYPE_KRB5
:
2294 DEBUG(0,("cli_finish_bind_auth: unknown auth type "
2295 "%u\n", (unsigned int)cli
->auth
->auth_type
));
2296 prs_mem_free(&rbuf
);
2297 return NT_STATUS_INVALID_INFO_CLASS
;
2300 /* For NTLMSSP ensure the server gave us the auth_level we wanted. */
2301 if (cli
->auth
->auth_type
== PIPE_AUTH_TYPE_NTLMSSP
2302 || cli
->auth
->auth_type
== PIPE_AUTH_TYPE_SPNEGO_NTLMSSP
) {
2303 if (cli
->auth
->auth_level
== PIPE_AUTH_LEVEL_INTEGRITY
) {
2304 if (!(cli
->auth
->a_u
.ntlmssp_state
->neg_flags
& NTLMSSP_NEGOTIATE_SIGN
)) {
2305 DEBUG(0,("cli_finish_bind_auth: requested NTLMSSSP signing and server refused.\n"));
2306 prs_mem_free(&rbuf
);
2307 return NT_STATUS_INVALID_PARAMETER
;
2310 if (cli
->auth
->auth_level
== PIPE_AUTH_LEVEL_INTEGRITY
) {
2311 if (!(cli
->auth
->a_u
.ntlmssp_state
->neg_flags
& NTLMSSP_NEGOTIATE_SEAL
)) {
2312 DEBUG(0,("cli_finish_bind_auth: requested NTLMSSSP sealing and server refused.\n"));
2313 prs_mem_free(&rbuf
);
2314 return NT_STATUS_INVALID_PARAMETER
;
2319 prs_mem_free(&rbuf
);
2320 return NT_STATUS_OK
;
2323 unsigned int rpccli_set_timeout(struct rpc_pipe_client
*cli
,
2324 unsigned int timeout
)
2326 return cli_set_timeout(cli
->trans
.np
.cli
, timeout
);
2329 bool rpccli_get_pwd_hash(struct rpc_pipe_client
*cli
, uint8_t nt_hash
[16])
2331 if ((cli
->auth
->auth_type
== PIPE_AUTH_TYPE_NTLMSSP
)
2332 || (cli
->auth
->auth_type
== PIPE_AUTH_TYPE_SPNEGO_NTLMSSP
)) {
2333 memcpy(nt_hash
, cli
->auth
->a_u
.ntlmssp_state
->nt_hash
, 16);
2337 if (cli
->transport_type
== NCACN_NP
) {
2338 E_md4hash(cli
->trans
.np
.cli
->pwd
.password
, nt_hash
);
2345 struct cli_state
*rpc_pipe_np_smb_conn(struct rpc_pipe_client
*p
)
2347 if (p
->transport_type
== NCACN_NP
) {
2348 return p
->trans
.np
.cli
;
2353 static int rpc_pipe_destructor(struct rpc_pipe_client
*p
)
2355 if (p
->transport_type
== NCACN_NP
) {
2357 ret
= cli_close(p
->trans
.np
.cli
, p
->trans
.np
.fnum
);
2359 DEBUG(1, ("rpc_pipe_destructor: cli_close failed on "
2360 "pipe %s. Error was %s\n",
2361 rpccli_pipe_txt(debug_ctx(), p
),
2362 cli_errstr(p
->trans
.np
.cli
)));
2365 DEBUG(10, ("rpc_pipe_destructor: closed %s\n",
2366 rpccli_pipe_txt(debug_ctx(), p
)));
2368 DLIST_REMOVE(p
->trans
.np
.cli
->pipe_list
, p
);
2369 return ret
? -1 : 0;
2375 NTSTATUS
rpccli_anon_bind_data(TALLOC_CTX
*mem_ctx
,
2376 struct cli_pipe_auth_data
**presult
)
2378 struct cli_pipe_auth_data
*result
;
2380 result
= talloc(mem_ctx
, struct cli_pipe_auth_data
);
2381 if (result
== NULL
) {
2382 return NT_STATUS_NO_MEMORY
;
2385 result
->auth_type
= PIPE_AUTH_TYPE_NONE
;
2386 result
->auth_level
= PIPE_AUTH_LEVEL_NONE
;
2388 result
->user_name
= talloc_strdup(result
, "");
2389 result
->domain
= talloc_strdup(result
, "");
2390 if ((result
->user_name
== NULL
) || (result
->domain
== NULL
)) {
2391 TALLOC_FREE(result
);
2392 return NT_STATUS_NO_MEMORY
;
2396 return NT_STATUS_OK
;
2399 static int cli_auth_ntlmssp_data_destructor(struct cli_pipe_auth_data
*auth
)
2401 ntlmssp_end(&auth
->a_u
.ntlmssp_state
);
2405 NTSTATUS
rpccli_ntlmssp_bind_data(TALLOC_CTX
*mem_ctx
,
2406 enum pipe_auth_type auth_type
,
2407 enum pipe_auth_level auth_level
,
2409 const char *username
,
2410 const char *password
,
2411 struct cli_pipe_auth_data
**presult
)
2413 struct cli_pipe_auth_data
*result
;
2416 result
= talloc(mem_ctx
, struct cli_pipe_auth_data
);
2417 if (result
== NULL
) {
2418 return NT_STATUS_NO_MEMORY
;
2421 result
->auth_type
= auth_type
;
2422 result
->auth_level
= auth_level
;
2424 result
->user_name
= talloc_strdup(result
, username
);
2425 result
->domain
= talloc_strdup(result
, domain
);
2426 if ((result
->user_name
== NULL
) || (result
->domain
== NULL
)) {
2427 status
= NT_STATUS_NO_MEMORY
;
2431 status
= ntlmssp_client_start(&result
->a_u
.ntlmssp_state
);
2432 if (!NT_STATUS_IS_OK(status
)) {
2436 talloc_set_destructor(result
, cli_auth_ntlmssp_data_destructor
);
2438 status
= ntlmssp_set_username(result
->a_u
.ntlmssp_state
, username
);
2439 if (!NT_STATUS_IS_OK(status
)) {
2443 status
= ntlmssp_set_domain(result
->a_u
.ntlmssp_state
, domain
);
2444 if (!NT_STATUS_IS_OK(status
)) {
2448 status
= ntlmssp_set_password(result
->a_u
.ntlmssp_state
, password
);
2449 if (!NT_STATUS_IS_OK(status
)) {
2454 * Turn off sign+seal to allow selected auth level to turn it back on.
2456 result
->a_u
.ntlmssp_state
->neg_flags
&=
2457 ~(NTLMSSP_NEGOTIATE_SIGN
| NTLMSSP_NEGOTIATE_SEAL
);
2459 if (auth_level
== PIPE_AUTH_LEVEL_INTEGRITY
) {
2460 result
->a_u
.ntlmssp_state
->neg_flags
|= NTLMSSP_NEGOTIATE_SIGN
;
2461 } else if (auth_level
== PIPE_AUTH_LEVEL_PRIVACY
) {
2462 result
->a_u
.ntlmssp_state
->neg_flags
2463 |= NTLMSSP_NEGOTIATE_SEAL
| NTLMSSP_NEGOTIATE_SIGN
;
2467 return NT_STATUS_OK
;
2470 TALLOC_FREE(result
);
2474 NTSTATUS
rpccli_schannel_bind_data(TALLOC_CTX
*mem_ctx
, const char *domain
,
2475 enum pipe_auth_level auth_level
,
2476 const uint8_t sess_key
[16],
2477 struct cli_pipe_auth_data
**presult
)
2479 struct cli_pipe_auth_data
*result
;
2481 result
= talloc(mem_ctx
, struct cli_pipe_auth_data
);
2482 if (result
== NULL
) {
2483 return NT_STATUS_NO_MEMORY
;
2486 result
->auth_type
= PIPE_AUTH_TYPE_SCHANNEL
;
2487 result
->auth_level
= auth_level
;
2489 result
->user_name
= talloc_strdup(result
, "");
2490 result
->domain
= talloc_strdup(result
, domain
);
2491 if ((result
->user_name
== NULL
) || (result
->domain
== NULL
)) {
2495 result
->a_u
.schannel_auth
= talloc(result
,
2496 struct schannel_auth_struct
);
2497 if (result
->a_u
.schannel_auth
== NULL
) {
2501 memcpy(result
->a_u
.schannel_auth
->sess_key
, sess_key
,
2502 sizeof(result
->a_u
.schannel_auth
->sess_key
));
2503 result
->a_u
.schannel_auth
->seq_num
= 0;
2506 return NT_STATUS_OK
;
2509 TALLOC_FREE(result
);
2510 return NT_STATUS_NO_MEMORY
;
2514 static int cli_auth_kerberos_data_destructor(struct kerberos_auth_struct
*auth
)
2516 data_blob_free(&auth
->session_key
);
2521 NTSTATUS
rpccli_kerberos_bind_data(TALLOC_CTX
*mem_ctx
,
2522 enum pipe_auth_level auth_level
,
2523 const char *service_princ
,
2524 const char *username
,
2525 const char *password
,
2526 struct cli_pipe_auth_data
**presult
)
2529 struct cli_pipe_auth_data
*result
;
2531 if ((username
!= NULL
) && (password
!= NULL
)) {
2532 int ret
= kerberos_kinit_password(username
, password
, 0, NULL
);
2534 return NT_STATUS_ACCESS_DENIED
;
2538 result
= talloc(mem_ctx
, struct cli_pipe_auth_data
);
2539 if (result
== NULL
) {
2540 return NT_STATUS_NO_MEMORY
;
2543 result
->auth_type
= PIPE_AUTH_TYPE_KRB5
;
2544 result
->auth_level
= auth_level
;
2547 * Username / domain need fixing!
2549 result
->user_name
= talloc_strdup(result
, "");
2550 result
->domain
= talloc_strdup(result
, "");
2551 if ((result
->user_name
== NULL
) || (result
->domain
== NULL
)) {
2555 result
->a_u
.kerberos_auth
= TALLOC_ZERO_P(
2556 result
, struct kerberos_auth_struct
);
2557 if (result
->a_u
.kerberos_auth
== NULL
) {
2560 talloc_set_destructor(result
->a_u
.kerberos_auth
,
2561 cli_auth_kerberos_data_destructor
);
2563 result
->a_u
.kerberos_auth
->service_principal
= talloc_strdup(
2564 result
, service_princ
);
2565 if (result
->a_u
.kerberos_auth
->service_principal
== NULL
) {
2570 return NT_STATUS_OK
;
2573 TALLOC_FREE(result
);
2574 return NT_STATUS_NO_MEMORY
;
2576 return NT_STATUS_NOT_SUPPORTED
;
2580 static int rpc_pipe_sock_destructor(struct rpc_pipe_client
*p
)
2582 close(p
->trans
.sock
.fd
);
2587 * Create an rpc pipe client struct, connecting to a tcp port.
2589 static NTSTATUS
rpc_pipe_open_tcp_port(TALLOC_CTX
*mem_ctx
, const char *host
,
2591 const struct ndr_syntax_id
*abstract_syntax
,
2592 struct rpc_pipe_client
**presult
)
2594 struct rpc_pipe_client
*result
;
2595 struct sockaddr_storage addr
;
2598 result
= TALLOC_ZERO_P(mem_ctx
, struct rpc_pipe_client
);
2599 if (result
== NULL
) {
2600 return NT_STATUS_NO_MEMORY
;
2603 result
->transport_type
= NCACN_IP_TCP
;
2605 result
->abstract_syntax
= *abstract_syntax
;
2606 result
->transfer_syntax
= ndr_transfer_syntax
;
2608 result
->desthost
= talloc_strdup(result
, host
);
2609 result
->srv_name_slash
= talloc_asprintf_strupper_m(
2610 result
, "\\\\%s", result
->desthost
);
2611 if ((result
->desthost
== NULL
) || (result
->srv_name_slash
== NULL
)) {
2612 status
= NT_STATUS_NO_MEMORY
;
2616 result
->max_xmit_frag
= RPC_MAX_PDU_FRAG_LEN
;
2617 result
->max_recv_frag
= RPC_MAX_PDU_FRAG_LEN
;
2619 if (!resolve_name(host
, &addr
, 0)) {
2620 status
= NT_STATUS_NOT_FOUND
;
2624 result
->trans
.sock
.fd
= open_socket_out(SOCK_STREAM
, &addr
, port
, 60);
2625 if (result
->trans
.sock
.fd
== -1) {
2626 status
= map_nt_error_from_unix(errno
);
2630 talloc_set_destructor(result
, rpc_pipe_sock_destructor
);
2633 return NT_STATUS_OK
;
2636 TALLOC_FREE(result
);
2641 * Determine the tcp port on which a dcerpc interface is listening
2642 * for the ncacn_ip_tcp transport via the endpoint mapper of the
2645 static NTSTATUS
rpc_pipe_get_tcp_port(const char *host
,
2646 const struct ndr_syntax_id
*abstract_syntax
,
2650 struct rpc_pipe_client
*epm_pipe
= NULL
;
2651 struct cli_pipe_auth_data
*auth
= NULL
;
2652 struct dcerpc_binding
*map_binding
= NULL
;
2653 struct dcerpc_binding
*res_binding
= NULL
;
2654 struct epm_twr_t
*map_tower
= NULL
;
2655 struct epm_twr_t
*res_towers
= NULL
;
2656 struct policy_handle
*entry_handle
= NULL
;
2657 uint32_t num_towers
= 0;
2658 uint32_t max_towers
= 1;
2659 struct epm_twr_p_t towers
;
2660 TALLOC_CTX
*tmp_ctx
= talloc_stackframe();
2662 if (pport
== NULL
) {
2663 status
= NT_STATUS_INVALID_PARAMETER
;
2667 /* open the connection to the endpoint mapper */
2668 status
= rpc_pipe_open_tcp_port(tmp_ctx
, host
, 135,
2669 &ndr_table_epmapper
.syntax_id
,
2672 if (!NT_STATUS_IS_OK(status
)) {
2676 status
= rpccli_anon_bind_data(tmp_ctx
, &auth
);
2677 if (!NT_STATUS_IS_OK(status
)) {
2681 status
= rpc_pipe_bind(epm_pipe
, auth
);
2682 if (!NT_STATUS_IS_OK(status
)) {
2686 /* create tower for asking the epmapper */
2688 map_binding
= TALLOC_ZERO_P(tmp_ctx
, struct dcerpc_binding
);
2689 if (map_binding
== NULL
) {
2690 status
= NT_STATUS_NO_MEMORY
;
2694 map_binding
->transport
= NCACN_IP_TCP
;
2695 map_binding
->object
= *abstract_syntax
;
2696 map_binding
->host
= host
; /* needed? */
2697 map_binding
->endpoint
= "0"; /* correct? needed? */
2699 map_tower
= TALLOC_ZERO_P(tmp_ctx
, struct epm_twr_t
);
2700 if (map_tower
== NULL
) {
2701 status
= NT_STATUS_NO_MEMORY
;
2705 status
= dcerpc_binding_build_tower(tmp_ctx
, map_binding
,
2706 &(map_tower
->tower
));
2707 if (!NT_STATUS_IS_OK(status
)) {
2711 /* allocate further parameters for the epm_Map call */
2713 res_towers
= TALLOC_ARRAY(tmp_ctx
, struct epm_twr_t
, max_towers
);
2714 if (res_towers
== NULL
) {
2715 status
= NT_STATUS_NO_MEMORY
;
2718 towers
.twr
= res_towers
;
2720 entry_handle
= TALLOC_ZERO_P(tmp_ctx
, struct policy_handle
);
2721 if (entry_handle
== NULL
) {
2722 status
= NT_STATUS_NO_MEMORY
;
2726 /* ask the endpoint mapper for the port */
2728 status
= rpccli_epm_Map(epm_pipe
,
2730 CONST_DISCARD(struct GUID
*,
2731 &(abstract_syntax
->uuid
)),
2738 if (!NT_STATUS_IS_OK(status
)) {
2742 if (num_towers
!= 1) {
2743 status
= NT_STATUS_UNSUCCESSFUL
;
2747 /* extract the port from the answer */
2749 status
= dcerpc_binding_from_tower(tmp_ctx
,
2750 &(towers
.twr
->tower
),
2752 if (!NT_STATUS_IS_OK(status
)) {
2756 /* are further checks here necessary? */
2757 if (res_binding
->transport
!= NCACN_IP_TCP
) {
2758 status
= NT_STATUS_UNSUCCESSFUL
;
2762 *pport
= (uint16_t)atoi(res_binding
->endpoint
);
2765 TALLOC_FREE(tmp_ctx
);
2770 * Create a rpc pipe client struct, connecting to a host via tcp.
2771 * The port is determined by asking the endpoint mapper on the given
2774 NTSTATUS
rpc_pipe_open_tcp(TALLOC_CTX
*mem_ctx
, const char *host
,
2775 const struct ndr_syntax_id
*abstract_syntax
,
2776 struct rpc_pipe_client
**presult
)
2783 status
= rpc_pipe_get_tcp_port(host
, abstract_syntax
, &port
);
2784 if (!NT_STATUS_IS_OK(status
)) {
2788 status
= rpc_pipe_open_tcp_port(mem_ctx
, host
, port
,
2789 abstract_syntax
, presult
);
2795 /********************************************************************
2796 Create a rpc pipe client struct, connecting to a unix domain socket
2797 ********************************************************************/
2798 NTSTATUS
rpc_pipe_open_ncalrpc(TALLOC_CTX
*mem_ctx
, const char *socket_path
,
2799 const struct ndr_syntax_id
*abstract_syntax
,
2800 struct rpc_pipe_client
**presult
)
2802 struct rpc_pipe_client
*result
;
2803 struct sockaddr_un addr
;
2806 result
= talloc_zero(mem_ctx
, struct rpc_pipe_client
);
2807 if (result
== NULL
) {
2808 return NT_STATUS_NO_MEMORY
;
2811 result
->transport_type
= NCACN_UNIX_STREAM
;
2813 result
->abstract_syntax
= *abstract_syntax
;
2814 result
->transfer_syntax
= ndr_transfer_syntax
;
2816 result
->desthost
= get_myname(result
);
2817 result
->srv_name_slash
= talloc_asprintf_strupper_m(
2818 result
, "\\\\%s", result
->desthost
);
2819 if ((result
->desthost
== NULL
) || (result
->srv_name_slash
== NULL
)) {
2820 status
= NT_STATUS_NO_MEMORY
;
2824 result
->max_xmit_frag
= RPC_MAX_PDU_FRAG_LEN
;
2825 result
->max_recv_frag
= RPC_MAX_PDU_FRAG_LEN
;
2827 result
->trans
.sock
.fd
= socket(AF_UNIX
, SOCK_STREAM
, 0);
2828 if (result
->trans
.sock
.fd
== -1) {
2829 status
= map_nt_error_from_unix(errno
);
2833 talloc_set_destructor(result
, rpc_pipe_sock_destructor
);
2836 addr
.sun_family
= AF_UNIX
;
2837 strncpy(addr
.sun_path
, socket_path
, sizeof(addr
.sun_path
));
2839 if (sys_connect(result
->trans
.sock
.fd
,
2840 (struct sockaddr
*)&addr
) == -1) {
2841 DEBUG(0, ("connect(%s) failed: %s\n", socket_path
,
2843 close(result
->trans
.sock
.fd
);
2844 return map_nt_error_from_unix(errno
);
2848 return NT_STATUS_OK
;
2851 TALLOC_FREE(result
);
2856 /****************************************************************************
2857 Open a named pipe over SMB to a remote server.
2859 * CAVEAT CALLER OF THIS FUNCTION:
2860 * The returned rpc_pipe_client saves a copy of the cli_state cli pointer,
2861 * so be sure that this function is called AFTER any structure (vs pointer)
2862 * assignment of the cli. In particular, libsmbclient does structure
2863 * assignments of cli, which invalidates the data in the returned
2864 * rpc_pipe_client if this function is called before the structure assignment
2867 ****************************************************************************/
2869 static NTSTATUS
rpc_pipe_open_np(struct cli_state
*cli
,
2870 const struct ndr_syntax_id
*abstract_syntax
,
2871 struct rpc_pipe_client
**presult
)
2873 struct rpc_pipe_client
*result
;
2876 /* sanity check to protect against crashes */
2879 return NT_STATUS_INVALID_HANDLE
;
2882 result
= TALLOC_ZERO_P(NULL
, struct rpc_pipe_client
);
2883 if (result
== NULL
) {
2884 return NT_STATUS_NO_MEMORY
;
2887 result
->transport_type
= NCACN_NP
;
2889 result
->trans
.np
.pipe_name
= cli_get_pipe_name_from_iface(
2890 result
, cli
, abstract_syntax
);
2891 if (result
->trans
.np
.pipe_name
== NULL
) {
2892 DEBUG(1, ("Could not find pipe for interface\n"));
2893 TALLOC_FREE(result
);
2894 return NT_STATUS_INVALID_PARAMETER
;
2897 result
->trans
.np
.cli
= cli
;
2898 result
->abstract_syntax
= *abstract_syntax
;
2899 result
->transfer_syntax
= ndr_transfer_syntax
;
2900 result
->desthost
= talloc_strdup(result
, cli
->desthost
);
2901 result
->srv_name_slash
= talloc_asprintf_strupper_m(
2902 result
, "\\\\%s", result
->desthost
);
2904 if ((result
->desthost
== NULL
) || (result
->srv_name_slash
== NULL
)) {
2905 TALLOC_FREE(result
);
2906 return NT_STATUS_NO_MEMORY
;
2909 fnum
= cli_nt_create(cli
, result
->trans
.np
.pipe_name
,
2910 DESIRED_ACCESS_PIPE
);
2912 DEBUG(1,("rpc_pipe_open_np: cli_nt_create failed on pipe %s "
2913 "to machine %s. Error was %s\n",
2914 result
->trans
.np
.pipe_name
, cli
->desthost
,
2916 TALLOC_FREE(result
);
2917 return cli_get_nt_error(cli
);
2920 result
->trans
.np
.fnum
= fnum
;
2922 DLIST_ADD(cli
->pipe_list
, result
);
2923 talloc_set_destructor(result
, rpc_pipe_destructor
);
2926 return NT_STATUS_OK
;
2929 /****************************************************************************
2930 Open a pipe to a remote server.
2931 ****************************************************************************/
2933 static NTSTATUS
cli_rpc_pipe_open(struct cli_state
*cli
,
2934 const struct ndr_syntax_id
*interface
,
2935 struct rpc_pipe_client
**presult
)
2937 if (ndr_syntax_id_equal(interface
, &ndr_table_drsuapi
.syntax_id
)) {
2939 * We should have a better way to figure out this drsuapi
2942 return rpc_pipe_open_tcp(NULL
, cli
->desthost
, interface
,
2946 return rpc_pipe_open_np(cli
, interface
, presult
);
2949 /****************************************************************************
2950 Open a named pipe to an SMB server and bind anonymously.
2951 ****************************************************************************/
2953 NTSTATUS
cli_rpc_pipe_open_noauth(struct cli_state
*cli
,
2954 const struct ndr_syntax_id
*interface
,
2955 struct rpc_pipe_client
**presult
)
2957 struct rpc_pipe_client
*result
;
2958 struct cli_pipe_auth_data
*auth
;
2961 status
= cli_rpc_pipe_open(cli
, interface
, &result
);
2962 if (!NT_STATUS_IS_OK(status
)) {
2966 status
= rpccli_anon_bind_data(result
, &auth
);
2967 if (!NT_STATUS_IS_OK(status
)) {
2968 DEBUG(0, ("rpccli_anon_bind_data returned %s\n",
2969 nt_errstr(status
)));
2970 TALLOC_FREE(result
);
2975 * This is a bit of an abstraction violation due to the fact that an
2976 * anonymous bind on an authenticated SMB inherits the user/domain
2977 * from the enclosing SMB creds
2980 TALLOC_FREE(auth
->user_name
);
2981 TALLOC_FREE(auth
->domain
);
2983 auth
->user_name
= talloc_strdup(auth
, cli
->user_name
);
2984 auth
->domain
= talloc_strdup(auth
, cli
->domain
);
2986 if ((auth
->user_name
== NULL
) || (auth
->domain
== NULL
)) {
2987 TALLOC_FREE(result
);
2988 return NT_STATUS_NO_MEMORY
;
2991 status
= rpc_pipe_bind(result
, auth
);
2992 if (!NT_STATUS_IS_OK(status
)) {
2994 if (ndr_syntax_id_equal(interface
,
2995 &ndr_table_dssetup
.syntax_id
)) {
2996 /* non AD domains just don't have this pipe, avoid
2997 * level 0 statement in that case - gd */
3000 DEBUG(lvl
, ("cli_rpc_pipe_open_noauth: rpc_pipe_bind for pipe "
3001 "%s failed with error %s\n",
3002 cli_get_pipe_name_from_iface(debug_ctx(), cli
,
3004 nt_errstr(status
) ));
3005 TALLOC_FREE(result
);
3009 DEBUG(10,("cli_rpc_pipe_open_noauth: opened pipe %s to machine "
3010 "%s and bound anonymously.\n", result
->trans
.np
.pipe_name
,
3014 return NT_STATUS_OK
;
3017 /****************************************************************************
3018 Open a named pipe to an SMB server and bind using NTLMSSP or SPNEGO NTLMSSP
3019 ****************************************************************************/
3021 static NTSTATUS
cli_rpc_pipe_open_ntlmssp_internal(struct cli_state
*cli
,
3022 const struct ndr_syntax_id
*interface
,
3023 enum pipe_auth_type auth_type
,
3024 enum pipe_auth_level auth_level
,
3026 const char *username
,
3027 const char *password
,
3028 struct rpc_pipe_client
**presult
)
3030 struct rpc_pipe_client
*result
;
3031 struct cli_pipe_auth_data
*auth
;
3034 status
= cli_rpc_pipe_open(cli
, interface
, &result
);
3035 if (!NT_STATUS_IS_OK(status
)) {
3039 status
= rpccli_ntlmssp_bind_data(
3040 result
, auth_type
, auth_level
, domain
, username
,
3041 cli
->pwd
.null_pwd
? NULL
: password
, &auth
);
3042 if (!NT_STATUS_IS_OK(status
)) {
3043 DEBUG(0, ("rpccli_ntlmssp_bind_data returned %s\n",
3044 nt_errstr(status
)));
3048 status
= rpc_pipe_bind(result
, auth
);
3049 if (!NT_STATUS_IS_OK(status
)) {
3050 DEBUG(0, ("cli_rpc_pipe_open_ntlmssp_internal: cli_rpc_pipe_bind failed with error %s\n",
3051 nt_errstr(status
) ));
3055 DEBUG(10,("cli_rpc_pipe_open_ntlmssp_internal: opened pipe %s to "
3056 "machine %s and bound NTLMSSP as user %s\\%s.\n",
3057 result
->trans
.np
.pipe_name
, cli
->desthost
,
3058 domain
, username
));
3061 return NT_STATUS_OK
;
3065 TALLOC_FREE(result
);
3069 /****************************************************************************
3071 Open a named pipe to an SMB server and bind using NTLMSSP (bind type 10)
3072 ****************************************************************************/
3074 NTSTATUS
cli_rpc_pipe_open_ntlmssp(struct cli_state
*cli
,
3075 const struct ndr_syntax_id
*interface
,
3076 enum pipe_auth_level auth_level
,
3078 const char *username
,
3079 const char *password
,
3080 struct rpc_pipe_client
**presult
)
3082 return cli_rpc_pipe_open_ntlmssp_internal(cli
,
3084 PIPE_AUTH_TYPE_NTLMSSP
,
3092 /****************************************************************************
3094 Open a named pipe to an SMB server and bind using spnego NTLMSSP (bind type 9)
3095 ****************************************************************************/
3097 NTSTATUS
cli_rpc_pipe_open_spnego_ntlmssp(struct cli_state
*cli
,
3098 const struct ndr_syntax_id
*interface
,
3099 enum pipe_auth_level auth_level
,
3101 const char *username
,
3102 const char *password
,
3103 struct rpc_pipe_client
**presult
)
3105 return cli_rpc_pipe_open_ntlmssp_internal(cli
,
3107 PIPE_AUTH_TYPE_SPNEGO_NTLMSSP
,
3115 /****************************************************************************
3116 Get a the schannel session key out of an already opened netlogon pipe.
3117 ****************************************************************************/
3118 static NTSTATUS
get_schannel_session_key_common(struct rpc_pipe_client
*netlogon_pipe
,
3119 struct cli_state
*cli
,
3123 uint32 sec_chan_type
= 0;
3124 unsigned char machine_pwd
[16];
3125 const char *machine_account
;
3128 /* Get the machine account credentials from secrets.tdb. */
3129 if (!get_trust_pw_hash(domain
, machine_pwd
, &machine_account
,
3132 DEBUG(0, ("get_schannel_session_key: could not fetch "
3133 "trust account password for domain '%s'\n",
3135 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO
;
3138 status
= rpccli_netlogon_setup_creds(netlogon_pipe
,
3139 cli
->desthost
, /* server name */
3140 domain
, /* domain */
3141 global_myname(), /* client name */
3142 machine_account
, /* machine account name */
3147 if (!NT_STATUS_IS_OK(status
)) {
3148 DEBUG(3, ("get_schannel_session_key_common: "
3149 "rpccli_netlogon_setup_creds failed with result %s "
3150 "to server %s, domain %s, machine account %s.\n",
3151 nt_errstr(status
), cli
->desthost
, domain
,
3156 if (((*pneg_flags
) & NETLOGON_NEG_SCHANNEL
) == 0) {
3157 DEBUG(3, ("get_schannel_session_key: Server %s did not offer schannel\n",
3159 return NT_STATUS_INVALID_NETWORK_RESPONSE
;
3162 return NT_STATUS_OK
;;
3165 /****************************************************************************
3166 Open a netlogon pipe and get the schannel session key.
3167 Now exposed to external callers.
3168 ****************************************************************************/
3171 NTSTATUS
get_schannel_session_key(struct cli_state
*cli
,
3174 struct rpc_pipe_client
**presult
)
3176 struct rpc_pipe_client
*netlogon_pipe
= NULL
;
3179 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_netlogon
.syntax_id
,
3181 if (!NT_STATUS_IS_OK(status
)) {
3185 status
= get_schannel_session_key_common(netlogon_pipe
, cli
, domain
,
3187 if (!NT_STATUS_IS_OK(status
)) {
3188 TALLOC_FREE(netlogon_pipe
);
3192 *presult
= netlogon_pipe
;
3193 return NT_STATUS_OK
;
3196 /****************************************************************************
3198 Open a named pipe to an SMB server and bind using schannel (bind type 68)
3199 using session_key. sign and seal.
3200 ****************************************************************************/
3202 NTSTATUS
cli_rpc_pipe_open_schannel_with_key(struct cli_state
*cli
,
3203 const struct ndr_syntax_id
*interface
,
3204 enum pipe_auth_level auth_level
,
3206 const struct dcinfo
*pdc
,
3207 struct rpc_pipe_client
**presult
)
3209 struct rpc_pipe_client
*result
;
3210 struct cli_pipe_auth_data
*auth
;
3213 status
= cli_rpc_pipe_open(cli
, interface
, &result
);
3214 if (!NT_STATUS_IS_OK(status
)) {
3218 status
= rpccli_schannel_bind_data(result
, domain
, auth_level
,
3219 pdc
->sess_key
, &auth
);
3220 if (!NT_STATUS_IS_OK(status
)) {
3221 DEBUG(0, ("rpccli_schannel_bind_data returned %s\n",
3222 nt_errstr(status
)));
3223 TALLOC_FREE(result
);
3227 status
= rpc_pipe_bind(result
, auth
);
3228 if (!NT_STATUS_IS_OK(status
)) {
3229 DEBUG(0, ("cli_rpc_pipe_open_schannel_with_key: "
3230 "cli_rpc_pipe_bind failed with error %s\n",
3231 nt_errstr(status
) ));
3232 TALLOC_FREE(result
);
3237 * The credentials on a new netlogon pipe are the ones we are passed
3238 * in - copy them over.
3240 result
->dc
= (struct dcinfo
*)talloc_memdup(result
, pdc
, sizeof(*pdc
));
3241 if (result
->dc
== NULL
) {
3242 DEBUG(0, ("talloc failed\n"));
3243 TALLOC_FREE(result
);
3244 return NT_STATUS_NO_MEMORY
;
3247 DEBUG(10,("cli_rpc_pipe_open_schannel_with_key: opened pipe %s to machine %s "
3249 "and bound using schannel.\n",
3250 result
->trans
.np
.pipe_name
, cli
->desthost
, domain
));
3253 return NT_STATUS_OK
;
3256 /****************************************************************************
3257 Open a named pipe to an SMB server and bind using schannel (bind type 68).
3258 Fetch the session key ourselves using a temporary netlogon pipe. This
3259 version uses an ntlmssp auth bound netlogon pipe to get the key.
3260 ****************************************************************************/
3262 static NTSTATUS
get_schannel_session_key_auth_ntlmssp(struct cli_state
*cli
,
3264 const char *username
,
3265 const char *password
,
3267 struct rpc_pipe_client
**presult
)
3269 struct rpc_pipe_client
*netlogon_pipe
= NULL
;
3272 status
= cli_rpc_pipe_open_spnego_ntlmssp(
3273 cli
, &ndr_table_netlogon
.syntax_id
, PIPE_AUTH_LEVEL_PRIVACY
,
3274 domain
, username
, password
, &netlogon_pipe
);
3275 if (!NT_STATUS_IS_OK(status
)) {
3279 status
= get_schannel_session_key_common(netlogon_pipe
, cli
, domain
,
3281 if (!NT_STATUS_IS_OK(status
)) {
3282 TALLOC_FREE(netlogon_pipe
);
3286 *presult
= netlogon_pipe
;
3287 return NT_STATUS_OK
;
3290 /****************************************************************************
3291 Open a named pipe to an SMB server and bind using schannel (bind type 68).
3292 Fetch the session key ourselves using a temporary netlogon pipe. This version
3293 uses an ntlmssp bind to get the session key.
3294 ****************************************************************************/
3296 NTSTATUS
cli_rpc_pipe_open_ntlmssp_auth_schannel(struct cli_state
*cli
,
3297 const struct ndr_syntax_id
*interface
,
3298 enum pipe_auth_level auth_level
,
3300 const char *username
,
3301 const char *password
,
3302 struct rpc_pipe_client
**presult
)
3304 uint32_t neg_flags
= NETLOGON_NEG_AUTH2_ADS_FLAGS
;
3305 struct rpc_pipe_client
*netlogon_pipe
= NULL
;
3306 struct rpc_pipe_client
*result
= NULL
;
3309 status
= get_schannel_session_key_auth_ntlmssp(
3310 cli
, domain
, username
, password
, &neg_flags
, &netlogon_pipe
);
3311 if (!NT_STATUS_IS_OK(status
)) {
3312 DEBUG(0,("cli_rpc_pipe_open_ntlmssp_auth_schannel: failed to get schannel session "
3313 "key from server %s for domain %s.\n",
3314 cli
->desthost
, domain
));
3318 status
= cli_rpc_pipe_open_schannel_with_key(
3319 cli
, interface
, auth_level
, domain
, netlogon_pipe
->dc
,
3322 /* Now we've bound using the session key we can close the netlog pipe. */
3323 TALLOC_FREE(netlogon_pipe
);
3325 if (NT_STATUS_IS_OK(status
)) {
3331 /****************************************************************************
3332 Open a named pipe to an SMB server and bind using schannel (bind type 68).
3333 Fetch the session key ourselves using a temporary netlogon pipe.
3334 ****************************************************************************/
3336 NTSTATUS
cli_rpc_pipe_open_schannel(struct cli_state
*cli
,
3337 const struct ndr_syntax_id
*interface
,
3338 enum pipe_auth_level auth_level
,
3340 struct rpc_pipe_client
**presult
)
3342 uint32_t neg_flags
= NETLOGON_NEG_AUTH2_ADS_FLAGS
;
3343 struct rpc_pipe_client
*netlogon_pipe
= NULL
;
3344 struct rpc_pipe_client
*result
= NULL
;
3347 status
= get_schannel_session_key(cli
, domain
, &neg_flags
,
3349 if (!NT_STATUS_IS_OK(status
)) {
3350 DEBUG(0,("cli_rpc_pipe_open_schannel: failed to get schannel session "
3351 "key from server %s for domain %s.\n",
3352 cli
->desthost
, domain
));
3356 status
= cli_rpc_pipe_open_schannel_with_key(
3357 cli
, interface
, auth_level
, domain
, netlogon_pipe
->dc
,
3360 /* Now we've bound using the session key we can close the netlog pipe. */
3361 TALLOC_FREE(netlogon_pipe
);
3363 if (NT_STATUS_IS_OK(status
)) {
3367 return NT_STATUS_OK
;
3370 /****************************************************************************
3371 Open a named pipe to an SMB server and bind using krb5 (bind type 16).
3372 The idea is this can be called with service_princ, username and password all
3373 NULL so long as the caller has a TGT.
3374 ****************************************************************************/
3376 NTSTATUS
cli_rpc_pipe_open_krb5(struct cli_state
*cli
,
3377 const struct ndr_syntax_id
*interface
,
3378 enum pipe_auth_level auth_level
,
3379 const char *service_princ
,
3380 const char *username
,
3381 const char *password
,
3382 struct rpc_pipe_client
**presult
)
3385 struct rpc_pipe_client
*result
;
3386 struct cli_pipe_auth_data
*auth
;
3389 status
= cli_rpc_pipe_open(cli
, interface
, &result
);
3390 if (!NT_STATUS_IS_OK(status
)) {
3394 status
= rpccli_kerberos_bind_data(result
, auth_level
, service_princ
,
3395 username
, password
, &auth
);
3396 if (!NT_STATUS_IS_OK(status
)) {
3397 DEBUG(0, ("rpccli_kerberos_bind_data returned %s\n",
3398 nt_errstr(status
)));
3399 TALLOC_FREE(result
);
3403 status
= rpc_pipe_bind(result
, auth
);
3404 if (!NT_STATUS_IS_OK(status
)) {
3405 DEBUG(0, ("cli_rpc_pipe_open_krb5: cli_rpc_pipe_bind failed "
3406 "with error %s\n", nt_errstr(status
)));
3407 TALLOC_FREE(result
);
3412 return NT_STATUS_OK
;
3414 DEBUG(0,("cli_rpc_pipe_open_krb5: kerberos not found at compile time.\n"));
3415 return NT_STATUS_NOT_IMPLEMENTED
;
3419 NTSTATUS
cli_get_session_key(TALLOC_CTX
*mem_ctx
,
3420 struct rpc_pipe_client
*cli
,
3421 DATA_BLOB
*session_key
)
3423 if (!session_key
|| !cli
) {
3424 return NT_STATUS_INVALID_PARAMETER
;
3428 return NT_STATUS_INVALID_PARAMETER
;
3431 switch (cli
->auth
->auth_type
) {
3432 case PIPE_AUTH_TYPE_SCHANNEL
:
3433 *session_key
= data_blob_talloc(mem_ctx
,
3434 cli
->auth
->a_u
.schannel_auth
->sess_key
, 16);
3436 case PIPE_AUTH_TYPE_NTLMSSP
:
3437 case PIPE_AUTH_TYPE_SPNEGO_NTLMSSP
:
3438 *session_key
= data_blob_talloc(mem_ctx
,
3439 cli
->auth
->a_u
.ntlmssp_state
->session_key
.data
,
3440 cli
->auth
->a_u
.ntlmssp_state
->session_key
.length
);
3442 case PIPE_AUTH_TYPE_KRB5
:
3443 case PIPE_AUTH_TYPE_SPNEGO_KRB5
:
3444 *session_key
= data_blob_talloc(mem_ctx
,
3445 cli
->auth
->a_u
.kerberos_auth
->session_key
.data
,
3446 cli
->auth
->a_u
.kerberos_auth
->session_key
.length
);
3448 case PIPE_AUTH_TYPE_NONE
:
3450 return NT_STATUS_NO_USER_SESSION_KEY
;
3453 return NT_STATUS_OK
;