1 /*
2 * MIDL proxy/stub stuff
3 *
4 * Copyright 2002 Ove Kåven, TransGaming Technologies
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library 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 GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 *
20 * TODO:
21 * - figure out whether we *really* got this right
22 * - check for errors and throw exceptions
23 */
24
25 #include <stdarg.h>
26
27 #define COBJMACROS
28
29 #include "windef.h"
30 #include "winbase.h"
31 #include "winerror.h"
32
33 #include "objbase.h"
34
35 #include "rpcproxy.h"
36
37 #include "wine/debug.h"
38
39 #include "ndr_misc.h"
40 #include "rpcndr.h"
41
42 WINE_DEFAULT_DEBUG_CHANNEL(rpc);
43
44 /************************************************************************
45 * NdrClientInitializeNew [RPCRT4.@]
46 */
47 void WINAPI NdrClientInitializeNew( PRPC_MESSAGE pRpcMessage, PMIDL_STUB_MESSAGE pStubMsg,
48 PMIDL_STUB_DESC pStubDesc, unsigned int ProcNum )
49 {
50 TRACE("(pRpcMessage == ^%p, pStubMsg == ^%p, pStubDesc == ^%p, ProcNum == %d)\n",
51 pRpcMessage, pStubMsg, pStubDesc, ProcNum);
52
53 pRpcMessage->Handle = NULL;
54 pRpcMessage->ProcNum = ProcNum | RPC_FLAGS_VALID_BIT;
55 pRpcMessage->RpcInterfaceInformation = pStubDesc->RpcInterfaceInformation;
56 pRpcMessage->RpcFlags = 0;
57 pRpcMessage->ReservedForRuntime = NULL;
58 pRpcMessage->DataRepresentation = NDR_LOCAL_DATA_REPRESENTATION;
59
60 pStubMsg->RpcMsg = pRpcMessage;
61 pStubMsg->BufferStart = NULL;
62 pStubMsg->BufferEnd = NULL;
63 pStubMsg->BufferLength = 0;
64 pStubMsg->IsClient = TRUE;
65 pStubMsg->ReuseBuffer = FALSE;
66 pStubMsg->pAllocAllNodesContext = NULL;
67 pStubMsg->pPointerQueueState = NULL;
68 pStubMsg->IgnoreEmbeddedPointers = 0;
69 pStubMsg->PointerBufferMark = NULL;
70 pStubMsg->CorrDespIncrement = 0;
71 pStubMsg->uFlags = 0;
72 pStubMsg->UniquePtrCount = 0;
73 pStubMsg->pfnAllocate = pStubDesc->pfnAllocate;
74 pStubMsg->pfnFree = pStubDesc->pfnFree;
75 pStubMsg->StackTop = NULL;
76 pStubMsg->StubDesc = pStubDesc;
77 pStubMsg->FullPtrRefId = 0;
78 pStubMsg->PointerLength = 0;
79 pStubMsg->fInDontFree = 0;
80 pStubMsg->fDontCallFreeInst = 0;
81 pStubMsg->fInOnlyParam = 0;
82 pStubMsg->fHasReturn = 0;
83 pStubMsg->fHasExtensions = 0;
84 pStubMsg->fHasNewCorrDesc = 0;
85 pStubMsg->fIsIn = 0;
86 pStubMsg->fIsOut = 0;
87 pStubMsg->fIsOicf = 0;
88 pStubMsg->fBufferValid = 0;
89 pStubMsg->fHasMemoryValidateCallback = 0;
90 pStubMsg->fInFree = 0;
91 pStubMsg->fNeedMCCP = 0;
92 pStubMsg->fUnused = 0;
93 pStubMsg->dwDestContext = MSHCTX_DIFFERENTMACHINE;
94 pStubMsg->pvDestContext = NULL;
95 pStubMsg->pRpcChannelBuffer = NULL;
96 pStubMsg->pArrayInfo = NULL;
97 pStubMsg->dwStubPhase = 0;
98 /* FIXME: LowStackMark */
99 pStubMsg->pAsyncMsg = NULL;
100 pStubMsg->pCorrInfo = NULL;
101 pStubMsg->pCorrMemory = NULL;
102 pStubMsg->pMemoryList = NULL;
103 }
104
105 /***********************************************************************
106 * NdrServerInitializeNew [RPCRT4.@]
107 */
108 unsigned char* WINAPI NdrServerInitializeNew( PRPC_MESSAGE pRpcMsg, PMIDL_STUB_MESSAGE pStubMsg,
109 PMIDL_STUB_DESC pStubDesc )
110 {
111 TRACE("(pRpcMsg == ^%p, pStubMsg == ^%p, pStubDesc == ^%p)\n", pRpcMsg, pStubMsg, pStubDesc);
112
113 pStubMsg->RpcMsg = pRpcMsg;
114 pStubMsg->Buffer = pStubMsg->BufferStart = pRpcMsg->Buffer;
115 pStubMsg->BufferEnd = pStubMsg->Buffer + pRpcMsg->BufferLength;
116 pStubMsg->BufferLength = pRpcMsg->BufferLength;
117 pStubMsg->IsClient = FALSE;
118 pStubMsg->ReuseBuffer = FALSE;
119 pStubMsg->pAllocAllNodesContext = NULL;
120 pStubMsg->pPointerQueueState = NULL;
121 pStubMsg->IgnoreEmbeddedPointers = 0;
122 pStubMsg->PointerBufferMark = NULL;
123 pStubMsg->uFlags = 0;
124 pStubMsg->UniquePtrCount = 0;
125 pStubMsg->pfnAllocate = pStubDesc->pfnAllocate;
126 pStubMsg->pfnFree = pStubDesc->pfnFree;
127 pStubMsg->StackTop = NULL;
128 pStubMsg->StubDesc = pStubDesc;
129 pStubMsg->FullPtrXlatTables = NULL;
130 pStubMsg->FullPtrRefId = 0;
131 pStubMsg->PointerLength = 0;
132 pStubMsg->fInDontFree = 0;
133 pStubMsg->fDontCallFreeInst = 0;
134 pStubMsg->fInOnlyParam = 0;
135 pStubMsg->fHasReturn = 0;
136 pStubMsg->fHasExtensions = 0;
137 pStubMsg->fHasNewCorrDesc = 0;
138 pStubMsg->fIsIn = 0;
139 pStubMsg->fIsOut = 0;
140 pStubMsg->fIsOicf = 0;
141 pStubMsg->fHasMemoryValidateCallback = 0;
142 pStubMsg->fInFree = 0;
143 pStubMsg->fNeedMCCP = 0;
144 pStubMsg->fUnused = 0;
145 pStubMsg->dwDestContext = MSHCTX_DIFFERENTMACHINE;
146 pStubMsg->pvDestContext = NULL;
147 pStubMsg->pRpcChannelBuffer = NULL;
148 pStubMsg->pArrayInfo = NULL;
149 pStubMsg->dwStubPhase = 0;
150 /* FIXME: LowStackMark */
151 pStubMsg->pAsyncMsg = NULL;
152 pStubMsg->pCorrInfo = NULL;
153 pStubMsg->pCorrMemory = NULL;
154 pStubMsg->pMemoryList = NULL;
155
156 return NULL;
157 }
158
159 /***********************************************************************
160 * NdrGetBuffer [RPCRT4.@]
161 */
162 unsigned char *WINAPI NdrGetBuffer(PMIDL_STUB_MESSAGE stubmsg, ULONG buflen, RPC_BINDING_HANDLE handle)
163 {
164 RPC_STATUS status;
165
166 TRACE("(stubmsg == ^%p, buflen == %u, handle == %p)\n", stubmsg, buflen, handle);
167
168 stubmsg->RpcMsg->Handle = handle;
169 stubmsg->RpcMsg->BufferLength = buflen;
170
171 status = I_RpcGetBuffer(stubmsg->RpcMsg);
172 if (status != RPC_S_OK)
173 RpcRaiseException(status);
174
175 stubmsg->Buffer = stubmsg->RpcMsg->Buffer;
176 stubmsg->fBufferValid = TRUE;
177 stubmsg->BufferLength = stubmsg->RpcMsg->BufferLength;
178 return stubmsg->Buffer;
179 }
180 /***********************************************************************
181 * NdrFreeBuffer [RPCRT4.@]
182 */
183 void WINAPI NdrFreeBuffer(PMIDL_STUB_MESSAGE pStubMsg)
184 {
185 TRACE("(pStubMsg == ^%p)\n", pStubMsg);
186 if (pStubMsg->fBufferValid)
187 {
188 I_RpcFreeBuffer(pStubMsg->RpcMsg);
189 pStubMsg->fBufferValid = FALSE;
190 }
191 }
192
193 /************************************************************************
194 * NdrSendReceive [RPCRT4.@]
195 */
196 unsigned char *WINAPI NdrSendReceive( PMIDL_STUB_MESSAGE stubmsg, unsigned char *buffer )
197 {
198 RPC_STATUS status;
199
200 TRACE("(stubmsg == ^%p, buffer == ^%p)\n", stubmsg, buffer);
201
202 /* FIXME: how to handle errors? (raise exception?) */
203 if (!stubmsg) {
204 ERR("NULL stub message. No action taken.\n");
205 return NULL;
206 }
207 if (!stubmsg->RpcMsg) {
208 ERR("RPC Message not present in stub message. No action taken.\n");
209 return NULL;
210 }
211
212 /* avoid sending uninitialised parts of the buffer on the wire */
213 stubmsg->RpcMsg->BufferLength = buffer - (unsigned char *)stubmsg->RpcMsg->Buffer;
214 status = I_RpcSendReceive(stubmsg->RpcMsg);
215 if (status != RPC_S_OK)
216 RpcRaiseException(status);
217
218 stubmsg->BufferLength = stubmsg->RpcMsg->BufferLength;
219 stubmsg->BufferStart = stubmsg->RpcMsg->Buffer;
220 stubmsg->BufferEnd = stubmsg->BufferStart + stubmsg->BufferLength;
221 stubmsg->Buffer = stubmsg->BufferStart;
222
223 /* FIXME: is this the right return value? */
224 return NULL;
225 }
226
227 /************************************************************************
228 * NdrMapCommAndFaultStatus [RPCRT4.@]
229 */
230 RPC_STATUS RPC_ENTRY NdrMapCommAndFaultStatus( PMIDL_STUB_MESSAGE pStubMsg,
231 ULONG *pCommStatus,
232 ULONG *pFaultStatus,
233 RPC_STATUS Status )
234 {
235 TRACE("(%p, %p, %p, %d)\n", pStubMsg, pCommStatus, pFaultStatus, Status);
236
237 switch (Status)
238 {
239 case ERROR_INVALID_HANDLE:
240 case RPC_S_INVALID_BINDING:
241 case RPC_S_UNKNOWN_IF:
242 case RPC_S_SERVER_UNAVAILABLE:
243 case RPC_S_SERVER_TOO_BUSY:
244 case RPC_S_CALL_FAILED_DNE:
245 case RPC_S_PROTOCOL_ERROR:
246 case RPC_S_UNSUPPORTED_TRANS_SYN:
247 case RPC_S_UNSUPPORTED_TYPE:
248 case RPC_S_PROCNUM_OUT_OF_RANGE:
249 case EPT_S_NOT_REGISTERED:
250 case RPC_S_COMM_FAILURE:
251 *pCommStatus = Status;
252 *pFaultStatus = 0;
253 break;
254 default:
255 *pCommStatus = 0;
256 *pFaultStatus = Status;
257 }
258
259 return RPC_S_OK;
260 }
261
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