4 * Copyright 2001-2002 Ove Kåven, TransGaming Technologies
5 * Copyright 2004 Filip Navara
6 * Copyright 2006 CodeWeavers
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
36 #include "wine/debug.h"
38 #include "rpc_binding.h"
41 #include "rpc_message.h"
43 WINE_DEFAULT_DEBUG_CHANNEL(rpc
);
45 /* note: the DCE/RPC spec says the alignment amount should be 4, but
46 * MS/RPC servers seem to always use 16 */
47 #define AUTH_ALIGNMENT 16
49 /* gets the amount needed to round a value up to the specified alignment */
50 #define ROUND_UP_AMOUNT(value, alignment) \
51 (((alignment) - (((value) % (alignment)))) % (alignment))
53 static DWORD
RPCRT4_GetHeaderSize(RpcPktHdr
*Header
)
55 static const DWORD header_sizes
[] = {
56 sizeof(Header
->request
), 0, sizeof(Header
->response
),
57 sizeof(Header
->fault
), 0, 0, 0, 0, 0, 0, 0, sizeof(Header
->bind
),
58 sizeof(Header
->bind_ack
), sizeof(Header
->bind_nack
),
63 if (Header
->common
.ptype
< sizeof(header_sizes
) / sizeof(header_sizes
[0])) {
64 ret
= header_sizes
[Header
->common
.ptype
];
66 FIXME("unhandled packet type\n");
67 if (Header
->common
.flags
& RPC_FLG_OBJECT_UUID
)
70 TRACE("invalid packet type\n");
76 static VOID
RPCRT4_BuildCommonHeader(RpcPktHdr
*Header
, unsigned char PacketType
,
77 unsigned long DataRepresentation
)
79 Header
->common
.rpc_ver
= RPC_VER_MAJOR
;
80 Header
->common
.rpc_ver_minor
= RPC_VER_MINOR
;
81 Header
->common
.ptype
= PacketType
;
82 Header
->common
.drep
[0] = LOBYTE(LOWORD(DataRepresentation
));
83 Header
->common
.drep
[1] = HIBYTE(LOWORD(DataRepresentation
));
84 Header
->common
.drep
[2] = LOBYTE(HIWORD(DataRepresentation
));
85 Header
->common
.drep
[3] = HIBYTE(HIWORD(DataRepresentation
));
86 Header
->common
.auth_len
= 0;
87 Header
->common
.call_id
= 1;
88 Header
->common
.flags
= 0;
89 /* Flags and fragment length are computed in RPCRT4_Send. */
92 static RpcPktHdr
*RPCRT4_BuildRequestHeader(unsigned long DataRepresentation
,
93 unsigned long BufferLength
,
94 unsigned short ProcNum
,
101 has_object
= (ObjectUuid
!= NULL
&& !UuidIsNil(ObjectUuid
, &status
));
102 header
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
,
103 sizeof(header
->request
) + (has_object
? sizeof(UUID
) : 0));
104 if (header
== NULL
) {
108 RPCRT4_BuildCommonHeader(header
, PKT_REQUEST
, DataRepresentation
);
109 header
->common
.frag_len
= sizeof(header
->request
);
110 header
->request
.alloc_hint
= BufferLength
;
111 header
->request
.context_id
= 0;
112 header
->request
.opnum
= ProcNum
;
114 header
->common
.flags
|= RPC_FLG_OBJECT_UUID
;
115 header
->common
.frag_len
+= sizeof(UUID
);
116 memcpy(&header
->request
+ 1, ObjectUuid
, sizeof(UUID
));
122 static RpcPktHdr
*RPCRT4_BuildResponseHeader(unsigned long DataRepresentation
,
123 unsigned long BufferLength
)
127 header
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(header
->response
));
128 if (header
== NULL
) {
132 RPCRT4_BuildCommonHeader(header
, PKT_RESPONSE
, DataRepresentation
);
133 header
->common
.frag_len
= sizeof(header
->response
);
134 header
->response
.alloc_hint
= BufferLength
;
139 RpcPktHdr
*RPCRT4_BuildFaultHeader(unsigned long DataRepresentation
,
144 header
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(header
->fault
));
145 if (header
== NULL
) {
149 RPCRT4_BuildCommonHeader(header
, PKT_FAULT
, DataRepresentation
);
150 header
->common
.frag_len
= sizeof(header
->fault
);
151 header
->fault
.status
= Status
;
156 RpcPktHdr
*RPCRT4_BuildBindHeader(unsigned long DataRepresentation
,
157 unsigned short MaxTransmissionSize
,
158 unsigned short MaxReceiveSize
,
159 RPC_SYNTAX_IDENTIFIER
*AbstractId
,
160 RPC_SYNTAX_IDENTIFIER
*TransferId
)
164 header
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(header
->bind
));
165 if (header
== NULL
) {
169 RPCRT4_BuildCommonHeader(header
, PKT_BIND
, DataRepresentation
);
170 header
->common
.frag_len
= sizeof(header
->bind
);
171 header
->bind
.max_tsize
= MaxTransmissionSize
;
172 header
->bind
.max_rsize
= MaxReceiveSize
;
173 header
->bind
.num_elements
= 1;
174 header
->bind
.num_syntaxes
= 1;
175 memcpy(&header
->bind
.abstract
, AbstractId
, sizeof(RPC_SYNTAX_IDENTIFIER
));
176 memcpy(&header
->bind
.transfer
, TransferId
, sizeof(RPC_SYNTAX_IDENTIFIER
));
181 RpcPktHdr
*RPCRT4_BuildAuthHeader(unsigned long DataRepresentation
)
185 header
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
,
186 sizeof(header
->common
) + 12);
190 RPCRT4_BuildCommonHeader(header
, PKT_AUTH3
, DataRepresentation
);
191 header
->common
.frag_len
= 0x14;
192 header
->common
.auth_len
= 0;
197 RpcPktHdr
*RPCRT4_BuildBindNackHeader(unsigned long DataRepresentation
,
198 unsigned char RpcVersion
,
199 unsigned char RpcVersionMinor
)
203 header
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(header
->bind_nack
));
204 if (header
== NULL
) {
208 RPCRT4_BuildCommonHeader(header
, PKT_BIND_NACK
, DataRepresentation
);
209 header
->common
.frag_len
= sizeof(header
->bind_nack
);
210 header
->bind_nack
.protocols_count
= 1;
211 header
->bind_nack
.protocols
[0].rpc_ver
= RpcVersion
;
212 header
->bind_nack
.protocols
[0].rpc_ver_minor
= RpcVersionMinor
;
217 RpcPktHdr
*RPCRT4_BuildBindAckHeader(unsigned long DataRepresentation
,
218 unsigned short MaxTransmissionSize
,
219 unsigned short MaxReceiveSize
,
221 unsigned long Result
,
222 unsigned long Reason
,
223 RPC_SYNTAX_IDENTIFIER
*TransferId
)
226 unsigned long header_size
;
227 RpcAddressString
*server_address
;
229 RPC_SYNTAX_IDENTIFIER
*transfer_id
;
231 header_size
= sizeof(header
->bind_ack
) + sizeof(RpcResults
) +
232 sizeof(RPC_SYNTAX_IDENTIFIER
) + sizeof(RpcAddressString
) +
233 strlen(ServerAddress
);
235 header
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, header_size
);
236 if (header
== NULL
) {
240 RPCRT4_BuildCommonHeader(header
, PKT_BIND_ACK
, DataRepresentation
);
241 header
->common
.frag_len
= header_size
;
242 header
->bind_ack
.max_tsize
= MaxTransmissionSize
;
243 header
->bind_ack
.max_rsize
= MaxReceiveSize
;
244 server_address
= (RpcAddressString
*)(&header
->bind_ack
+ 1);
245 server_address
->length
= strlen(ServerAddress
) + 1;
246 strcpy(server_address
->string
, ServerAddress
);
247 results
= (RpcResults
*)((ULONG_PTR
)server_address
+ sizeof(RpcAddressString
) + server_address
->length
- 1);
248 results
->num_results
= 1;
249 results
->results
[0].result
= Result
;
250 results
->results
[0].reason
= Reason
;
251 transfer_id
= (RPC_SYNTAX_IDENTIFIER
*)(results
+ 1);
252 memcpy(transfer_id
, TransferId
, sizeof(RPC_SYNTAX_IDENTIFIER
));
257 VOID
RPCRT4_FreeHeader(RpcPktHdr
*Header
)
259 HeapFree(GetProcessHeap(), 0, Header
);
262 /***********************************************************************
263 * RPCRT4_SendAuth (internal)
265 * Transmit a packet with authorization data over connection in acceptable fragments.
267 static RPC_STATUS
RPCRT4_SendAuth(RpcConnection
*Connection
, RpcPktHdr
*Header
,
268 void *Buffer
, unsigned int BufferLength
,
269 void *Auth
, unsigned int AuthLength
)
275 LONG alen
= AuthLength
? (AuthLength
+ sizeof(RpcAuthVerifier
)) : 0;
278 /* The packet building functions save the packet header size, so we can use it. */
279 hdr_size
= Header
->common
.frag_len
;
280 Header
->common
.auth_len
= AuthLength
;
281 Header
->common
.flags
|= RPC_FLG_FIRST
;
282 Header
->common
.flags
&= ~RPC_FLG_LAST
;
283 while (!(Header
->common
.flags
& RPC_FLG_LAST
)) {
284 unsigned char auth_pad_len
= AuthLength
? ROUND_UP_AMOUNT(BufferLength
, AUTH_ALIGNMENT
) : 0;
285 unsigned short pkt_size
= BufferLength
+ hdr_size
+ alen
+ auth_pad_len
;
287 /* decide if we need to split the packet into fragments */
288 if (pkt_size
<= Connection
->MaxTransmissionSize
) {
289 Header
->common
.flags
|= RPC_FLG_LAST
;
290 Header
->common
.frag_len
= pkt_size
;
293 /* make sure packet payload will be a multiple of 16 */
294 Header
->common
.frag_len
=
295 ((Connection
->MaxTransmissionSize
- hdr_size
- alen
) & ~(AUTH_ALIGNMENT
-1)) +
299 pkt
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, Header
->common
.frag_len
);
301 memcpy(pkt
, Header
, hdr_size
);
303 /* fragment consisted of header only and is the last one */
304 if (hdr_size
== Header
->common
.frag_len
)
307 memcpy(pkt
+ hdr_size
, buffer_pos
, Header
->common
.frag_len
- hdr_size
- auth_pad_len
- alen
);
309 /* add the authorization info */
310 if (Connection
->AuthInfo
&& AuthLength
)
312 RpcAuthVerifier
*auth_hdr
= (RpcAuthVerifier
*)&pkt
[Header
->common
.frag_len
- alen
];
314 auth_hdr
->auth_type
= Connection
->AuthInfo
->AuthnSvc
;
315 auth_hdr
->auth_level
= Connection
->AuthInfo
->AuthnLevel
;
316 auth_hdr
->auth_pad_length
= auth_pad_len
;
317 auth_hdr
->auth_reserved
= 0;
318 /* a unique number... */
319 auth_hdr
->auth_context_id
= (unsigned long)Connection
;
321 memcpy(auth_hdr
+ 1, Auth
, AuthLength
);
325 count
= rpcrt4_conn_write(Connection
, pkt
, Header
->common
.frag_len
);
326 HeapFree(GetProcessHeap(), 0, pkt
);
328 WARN("rpcrt4_conn_write failed (auth)\n");
329 return RPC_S_PROTOCOL_ERROR
;
332 buffer_pos
+= Header
->common
.frag_len
- hdr_size
- alen
- auth_pad_len
;
333 BufferLength
-= Header
->common
.frag_len
- hdr_size
- alen
- auth_pad_len
;
334 Header
->common
.flags
&= ~RPC_FLG_FIRST
;
340 /***********************************************************************
341 * RPCRT4_AuthNegotiate (internal)
343 static void RPCRT4_AuthNegotiate(RpcConnection
*conn
, SecBuffer
*out
)
346 SecBufferDesc out_desc
;
347 unsigned char *buffer
;
349 buffer
= HeapAlloc(GetProcessHeap(), 0, 0x100);
351 out
->BufferType
= SECBUFFER_TOKEN
;
352 out
->cbBuffer
= 0x100;
353 out
->pvBuffer
= buffer
;
355 out_desc
.ulVersion
= 0;
356 out_desc
.cBuffers
= 1;
357 out_desc
.pBuffers
= out
;
360 conn
->ctx
.dwLower
= 0;
361 conn
->ctx
.dwUpper
= 0;
363 r
= InitializeSecurityContextA(&conn
->AuthInfo
->cred
, NULL
, NULL
,
364 ISC_REQ_CONNECTION
| ISC_REQ_USE_DCE_STYLE
| ISC_REQ_MUTUAL_AUTH
|
365 ISC_REQ_DELEGATE
, 0, SECURITY_NETWORK_DREP
,
366 NULL
, 0, &conn
->ctx
, &out_desc
, &conn
->attr
, &conn
->exp
);
368 TRACE("r = %08lx cbBuffer = %ld attr = %08lx\n", r
, out
->cbBuffer
, conn
->attr
);
371 /***********************************************************************
372 * RPCRT4_AuthorizeBinding (internal)
374 static RPC_STATUS
RPCRT_AuthorizeConnection(RpcConnection
* conn
,
375 BYTE
*challenge
, ULONG count
)
377 SecBufferDesc inp_desc
, out_desc
;
380 unsigned char buffer
[0x100];
384 TRACE("challenge %s, %ld bytes\n", challenge
, count
);
386 out
.BufferType
= SECBUFFER_TOKEN
;
387 out
.cbBuffer
= sizeof buffer
;
388 out
.pvBuffer
= buffer
;
390 out_desc
.ulVersion
= 0;
391 out_desc
.cBuffers
= 1;
392 out_desc
.pBuffers
= &out
;
394 inp
.BufferType
= SECBUFFER_TOKEN
;
395 inp
.pvBuffer
= challenge
;
396 inp
.cbBuffer
= count
;
398 inp_desc
.cBuffers
= 1;
399 inp_desc
.pBuffers
= &inp
;
400 inp_desc
.ulVersion
= 0;
402 r
= InitializeSecurityContextA(&conn
->AuthInfo
->cred
, &conn
->ctx
, NULL
,
403 ISC_REQ_CONNECTION
| ISC_REQ_USE_DCE_STYLE
| ISC_REQ_MUTUAL_AUTH
|
404 ISC_REQ_DELEGATE
, 0, SECURITY_NETWORK_DREP
,
405 &inp_desc
, 0, &conn
->ctx
, &out_desc
, &conn
->attr
, &conn
->exp
);
408 WARN("InitializeSecurityContext failed with error 0x%08lx\n", r
);
409 return ERROR_ACCESS_DENIED
;
412 resp_hdr
= RPCRT4_BuildAuthHeader(NDR_LOCAL_DATA_REPRESENTATION
);
414 return E_OUTOFMEMORY
;
416 status
= RPCRT4_SendAuth(conn
, resp_hdr
, NULL
, 0, out
.pvBuffer
, out
.cbBuffer
);
418 RPCRT4_FreeHeader(resp_hdr
);
423 /***********************************************************************
424 * RPCRT4_Send (internal)
426 * Transmit a packet over connection in acceptable fragments.
428 RPC_STATUS
RPCRT4_Send(RpcConnection
*Connection
, RpcPktHdr
*Header
,
429 void *Buffer
, unsigned int BufferLength
)
434 /* if we've already authenticated, just send the context */
435 if (Connection
->ctx
.dwUpper
|| Connection
->ctx
.dwLower
)
437 unsigned char buffer
[0x10];
439 memset(buffer
, 0, sizeof buffer
);
440 buffer
[0] = 1; /* version number lsb */
442 return RPCRT4_SendAuth(Connection
, Header
, Buffer
, BufferLength
, buffer
, sizeof buffer
);
445 if (!Connection
->AuthInfo
||
446 Connection
->AuthInfo
->AuthnLevel
== RPC_C_AUTHN_LEVEL_DEFAULT
||
447 Connection
->AuthInfo
->AuthnLevel
== RPC_C_AUTHN_LEVEL_NONE
)
449 return RPCRT4_SendAuth(Connection
, Header
, Buffer
, BufferLength
, NULL
, 0);
452 out
.BufferType
= SECBUFFER_TOKEN
;
456 /* tack on a negotiate packet */
457 RPCRT4_AuthNegotiate(Connection
, &out
);
458 r
= RPCRT4_SendAuth(Connection
, Header
, Buffer
, BufferLength
, out
.pvBuffer
, out
.cbBuffer
);
459 HeapFree(GetProcessHeap(), 0, out
.pvBuffer
);
464 /***********************************************************************
465 * RPCRT4_Receive (internal)
467 * Receive a packet from connection and merge the fragments.
469 RPC_STATUS
RPCRT4_Receive(RpcConnection
*Connection
, RpcPktHdr
**Header
,
475 unsigned short first_flag
;
476 unsigned long data_length
;
477 unsigned long buffer_length
;
478 unsigned char *buffer_ptr
;
479 RpcPktCommonHdr common_hdr
;
483 TRACE("(%p, %p, %p)\n", Connection
, Header
, pMsg
);
485 /* read packet common header */
486 dwRead
= rpcrt4_conn_read(Connection
, &common_hdr
, sizeof(common_hdr
));
487 if (dwRead
!= sizeof(common_hdr
)) {
488 WARN("Short read of header, %ld/%d bytes\n", dwRead
, sizeof(common_hdr
));
489 status
= RPC_S_PROTOCOL_ERROR
;
493 /* verify if the header really makes sense */
494 if (common_hdr
.rpc_ver
!= RPC_VER_MAJOR
||
495 common_hdr
.rpc_ver_minor
!= RPC_VER_MINOR
) {
496 WARN("unhandled packet version\n");
497 status
= RPC_S_PROTOCOL_ERROR
;
501 hdr_length
= RPCRT4_GetHeaderSize((RpcPktHdr
*)&common_hdr
);
502 if (hdr_length
== 0) {
503 WARN("header length == 0\n");
504 status
= RPC_S_PROTOCOL_ERROR
;
508 *Header
= HeapAlloc(GetProcessHeap(), 0, hdr_length
);
509 memcpy(*Header
, &common_hdr
, sizeof(common_hdr
));
511 /* read the rest of packet header */
512 dwRead
= rpcrt4_conn_read(Connection
, &(*Header
)->common
+ 1, hdr_length
- sizeof(common_hdr
));
513 if (dwRead
!= hdr_length
- sizeof(common_hdr
)) {
514 WARN("bad header length, %ld/%ld bytes\n", dwRead
, hdr_length
- sizeof(common_hdr
));
515 status
= RPC_S_PROTOCOL_ERROR
;
519 /* read packet body */
520 switch (common_hdr
.ptype
) {
522 pMsg
->BufferLength
= (*Header
)->response
.alloc_hint
;
525 pMsg
->BufferLength
= (*Header
)->request
.alloc_hint
;
528 pMsg
->BufferLength
= common_hdr
.frag_len
- hdr_length
;
531 TRACE("buffer length = %u\n", pMsg
->BufferLength
);
533 status
= I_RpcGetBuffer(pMsg
);
534 if (status
!= RPC_S_OK
) goto fail
;
536 first_flag
= RPC_FLG_FIRST
;
538 buffer_ptr
= pMsg
->Buffer
;
539 while (buffer_length
< pMsg
->BufferLength
)
541 data_length
= (*Header
)->common
.frag_len
- hdr_length
;
542 if (((*Header
)->common
.flags
& RPC_FLG_FIRST
) != first_flag
||
543 data_length
+ buffer_length
> pMsg
->BufferLength
) {
544 TRACE("invalid packet flags or buffer length\n");
545 status
= RPC_S_PROTOCOL_ERROR
;
549 if (data_length
== 0) dwRead
= 0; else
550 dwRead
= rpcrt4_conn_read(Connection
, buffer_ptr
, data_length
);
551 if (dwRead
!= data_length
) {
552 WARN("bad data length, %ld/%ld\n", dwRead
, data_length
);
553 status
= RPC_S_PROTOCOL_ERROR
;
557 /* when there is no more data left, it should be the last packet */
558 if (buffer_length
== pMsg
->BufferLength
&&
559 ((*Header
)->common
.flags
& RPC_FLG_LAST
) == 0) {
560 WARN("no more data left, but not last packet\n");
561 status
= RPC_S_PROTOCOL_ERROR
;
565 buffer_length
+= data_length
;
566 if (buffer_length
< pMsg
->BufferLength
) {
567 TRACE("next header\n");
569 /* read the header of next packet */
570 dwRead
= rpcrt4_conn_read(Connection
, *Header
, hdr_length
);
571 if (dwRead
!= hdr_length
) {
572 WARN("invalid packet header size (%ld)\n", dwRead
);
573 status
= RPC_S_PROTOCOL_ERROR
;
577 buffer_ptr
+= data_length
;
582 /* respond to authorization request */
583 if (common_hdr
.ptype
== PKT_BIND_ACK
&& common_hdr
.auth_len
> 8)
587 offset
= common_hdr
.frag_len
- hdr_length
- common_hdr
.auth_len
;
588 status
= RPCRT_AuthorizeConnection(Connection
, (LPBYTE
)pMsg
->Buffer
+ offset
,
589 common_hdr
.auth_len
);
598 if (status
!= RPC_S_OK
&& *Header
) {
599 RPCRT4_FreeHeader(*Header
);
605 /***********************************************************************
606 * I_RpcGetBuffer [RPCRT4.@]
608 RPC_STATUS WINAPI
I_RpcGetBuffer(PRPC_MESSAGE pMsg
)
610 TRACE("(%p): BufferLength=%d\n", pMsg
, pMsg
->BufferLength
);
611 /* FIXME: pfnAllocate? */
612 pMsg
->Buffer
= HeapAlloc(GetProcessHeap(), 0, pMsg
->BufferLength
);
614 TRACE("Buffer=%p\n", pMsg
->Buffer
);
615 /* FIXME: which errors to return? */
616 return pMsg
->Buffer
? S_OK
: E_OUTOFMEMORY
;
619 /***********************************************************************
620 * I_RpcFreeBuffer [RPCRT4.@]
622 RPC_STATUS WINAPI
I_RpcFreeBuffer(PRPC_MESSAGE pMsg
)
624 TRACE("(%p) Buffer=%p\n", pMsg
, pMsg
->Buffer
);
625 /* FIXME: pfnFree? */
626 HeapFree(GetProcessHeap(), 0, pMsg
->Buffer
);
631 /***********************************************************************
632 * I_RpcSend [RPCRT4.@]
634 RPC_STATUS WINAPI
I_RpcSend(PRPC_MESSAGE pMsg
)
636 RpcBinding
* bind
= (RpcBinding
*)pMsg
->Handle
;
638 RPC_CLIENT_INTERFACE
* cif
= NULL
;
639 RPC_SERVER_INTERFACE
* sif
= NULL
;
643 TRACE("(%p)\n", pMsg
);
644 if (!bind
) return RPC_S_INVALID_BINDING
;
647 sif
= pMsg
->RpcInterfaceInformation
;
648 if (!sif
) return RPC_S_INTERFACE_NOT_FOUND
; /* ? */
649 status
= RPCRT4_OpenBinding(bind
, &conn
, &sif
->TransferSyntax
,
652 cif
= pMsg
->RpcInterfaceInformation
;
653 if (!cif
) return RPC_S_INTERFACE_NOT_FOUND
; /* ? */
655 if (!bind
->Endpoint
|| !bind
->Endpoint
[0])
657 TRACE("automatically resolving partially bound binding\n");
658 status
= RpcEpResolveBinding(bind
, cif
);
659 if (status
!= RPC_S_OK
) return status
;
662 status
= RPCRT4_OpenBinding(bind
, &conn
, &cif
->TransferSyntax
,
666 if (status
!= RPC_S_OK
) return status
;
669 if (pMsg
->RpcFlags
& WINE_RPCFLAG_EXCEPTION
) {
670 hdr
= RPCRT4_BuildFaultHeader(pMsg
->DataRepresentation
,
673 hdr
= RPCRT4_BuildResponseHeader(pMsg
->DataRepresentation
,
677 hdr
= RPCRT4_BuildRequestHeader(pMsg
->DataRepresentation
,
678 pMsg
->BufferLength
, pMsg
->ProcNum
,
680 hdr
->common
.call_id
= conn
->NextCallId
++;
683 status
= RPCRT4_Send(conn
, hdr
, pMsg
->Buffer
, pMsg
->BufferLength
);
685 RPCRT4_FreeHeader(hdr
);
689 /* save the connection, so the response can be read from it */
690 pMsg
->ReservedForRuntime
= conn
;
693 RPCRT4_CloseBinding(bind
, conn
);
699 /***********************************************************************
700 * I_RpcReceive [RPCRT4.@]
702 RPC_STATUS WINAPI
I_RpcReceive(PRPC_MESSAGE pMsg
)
704 RpcBinding
* bind
= (RpcBinding
*)pMsg
->Handle
;
706 RPC_CLIENT_INTERFACE
* cif
= NULL
;
707 RPC_SERVER_INTERFACE
* sif
= NULL
;
709 RpcPktHdr
*hdr
= NULL
;
711 TRACE("(%p)\n", pMsg
);
712 if (!bind
) return RPC_S_INVALID_BINDING
;
714 if (pMsg
->ReservedForRuntime
) {
715 conn
= pMsg
->ReservedForRuntime
;
716 pMsg
->ReservedForRuntime
= NULL
;
719 sif
= pMsg
->RpcInterfaceInformation
;
720 if (!sif
) return RPC_S_INTERFACE_NOT_FOUND
; /* ? */
721 status
= RPCRT4_OpenBinding(bind
, &conn
, &sif
->TransferSyntax
,
724 cif
= pMsg
->RpcInterfaceInformation
;
725 if (!cif
) return RPC_S_INTERFACE_NOT_FOUND
; /* ? */
727 if (!bind
->Endpoint
|| !bind
->Endpoint
[0])
729 TRACE("automatically resolving partially bound binding\n");
730 status
= RpcEpResolveBinding(bind
, cif
);
731 if (status
!= RPC_S_OK
) return status
;
734 status
= RPCRT4_OpenBinding(bind
, &conn
, &cif
->TransferSyntax
,
737 if (status
!= RPC_S_OK
) return status
;
740 status
= RPCRT4_Receive(conn
, &hdr
, pMsg
);
741 if (status
!= RPC_S_OK
) {
742 WARN("receive failed with error %lx\n", status
);
746 status
= RPC_S_PROTOCOL_ERROR
;
748 switch (hdr
->common
.ptype
) {
750 if (bind
->server
) goto fail
;
753 if (!bind
->server
) goto fail
;
756 pMsg
->RpcFlags
|= WINE_RPCFLAG_EXCEPTION
;
757 ERR ("we got fault packet with status %lx\n", hdr
->fault
.status
);
758 status
= RPC_S_CALL_FAILED
; /* ? */
761 WARN("bad packet type %d\n", hdr
->common
.ptype
);
770 RPCRT4_FreeHeader(hdr
);
772 RPCRT4_CloseBinding(bind
, conn
);
776 /***********************************************************************
777 * I_RpcSendReceive [RPCRT4.@]
779 RPC_STATUS WINAPI
I_RpcSendReceive(PRPC_MESSAGE pMsg
)
783 TRACE("(%p)\n", pMsg
);
784 status
= I_RpcSend(pMsg
);
785 if (status
== RPC_S_OK
)
786 status
= I_RpcReceive(pMsg
);