3 * reactos/subsys/csrss/api/wapi.c
5 * CSRSS port message processing
7 * ReactOS Operating System
11 /* INCLUDES ******************************************************************/
18 /* GLOBALS *******************************************************************/
20 HANDLE CsrssApiHeap
= (HANDLE
) 0;
22 static unsigned ApiDefinitionsCount
= 0;
23 static PCSRSS_API_DEFINITION ApiDefinitions
= NULL
;
25 /* FUNCTIONS *****************************************************************/
28 CsrApiRegisterDefinitions(PCSRSS_API_DEFINITION NewDefinitions
)
31 PCSRSS_API_DEFINITION Scan
;
32 PCSRSS_API_DEFINITION New
;
34 DPRINT("CSR: %s called", __FUNCTION__
);
37 for (Scan
= NewDefinitions
; 0 != Scan
->Handler
; Scan
++)
42 New
= RtlAllocateHeap(CsrssApiHeap
, 0,
43 (ApiDefinitionsCount
+ NewCount
)
44 * sizeof(CSRSS_API_DEFINITION
));
47 DPRINT1("Unable to allocate memory\n");
48 return STATUS_NO_MEMORY
;
50 if (0 != ApiDefinitionsCount
)
52 RtlCopyMemory(New
, ApiDefinitions
,
53 ApiDefinitionsCount
* sizeof(CSRSS_API_DEFINITION
));
54 RtlFreeHeap(CsrssApiHeap
, 0, ApiDefinitions
);
56 RtlCopyMemory(New
+ ApiDefinitionsCount
, NewDefinitions
,
57 NewCount
* sizeof(CSRSS_API_DEFINITION
));
59 ApiDefinitionsCount
+= NewCount
;
61 return STATUS_SUCCESS
;
66 CsrApiCallHandler(PCSRSS_PROCESS_DATA ProcessData
,
67 PCSR_API_MESSAGE Request
)
73 DPRINT("CSR: Calling handler for type: %x.\n", Request
->Type
);
74 Type
= Request
->Type
& 0xFFFF; /* FIXME: USE MACRO */
75 DPRINT("CSR: API Number: %x ServerID: %x\n",Type
, Request
->Type
>> 16);
77 /* FIXME: Extract DefIndex instead of looping */
78 for (DefIndex
= 0; ! Found
&& DefIndex
< ApiDefinitionsCount
; DefIndex
++)
80 if (ApiDefinitions
[DefIndex
].Type
== Type
)
82 if (Request
->Header
.DataSize
< ApiDefinitions
[DefIndex
].MinRequestSize
)
84 DPRINT1("Request type %d min request size %d actual %d\n",
85 Type
, ApiDefinitions
[DefIndex
].MinRequestSize
,
86 Request
->Header
.DataSize
);
87 Request
->Status
= STATUS_INVALID_PARAMETER
;
91 (ApiDefinitions
[DefIndex
].Handler
)(ProcessData
, Request
);
98 DPRINT1("CSR: Unknown request type 0x%x\n", Request
->Type
);
99 Request
->Header
.MessageSize
= sizeof(CSR_API_MESSAGE
);
100 Request
->Header
.DataSize
= sizeof(CSR_API_MESSAGE
) - LPC_MESSAGE_BASE_SIZE
;
101 Request
->Status
= STATUS_INVALID_SYSTEM_SERVICE
;
108 ClientConnectionThread(HANDLE ServerPort
)
111 LPC_MAX_MESSAGE LpcRequest
;
112 PCSR_API_MESSAGE Request
;
113 PCSR_API_MESSAGE Reply
;
114 PCSRSS_PROCESS_DATA ProcessData
;
116 DPRINT("CSR: %s called", __FUNCTION__
);
118 /* Reply must be NULL at the first call to NtReplyWaitReceivePort */
121 /* Loop and reply/wait for a new message */
124 /* Send the reply and wait for a new request */
125 Status
= NtReplyWaitReceivePort(ServerPort
,
129 if (!NT_SUCCESS(Status
))
131 DPRINT1("CSR: NtReplyWaitReceivePort failed\n");
135 /* If the connection was closed, handle that */
136 if (LpcRequest
.Header
.MessageType
== LPC_PORT_CLOSED
)
138 CsrFreeProcessData( LpcRequest
.Header
.ClientId
.UniqueProcess
);
142 /* Get the CSR Message */
143 Request
= (PCSR_API_MESSAGE
)&LpcRequest
;
145 DPRINT("CSR: Got CSR API: %x [Message Origin: %x]\n",
147 Request
->Header
.ClientId
.UniqueProcess
);
149 /* Get the Process Data */
150 ProcessData
= CsrGetProcessData(LpcRequest
.Header
.ClientId
.UniqueProcess
);
151 if (ProcessData
== NULL
)
153 DPRINT1("CSR: Message %d: Unable to find data for process 0x%x\n",
154 LpcRequest
.Header
.MessageType
,
155 LpcRequest
.Header
.ClientId
.UniqueProcess
);
159 /* Call the Handler */
160 CsrApiCallHandler(ProcessData
, Request
);
162 /* Send back the reply */
166 /* Close the port and exit the thread */
168 RtlExitUserThread(STATUS_SUCCESS
);
171 /**********************************************************************
173 * ServerApiPortThread/1
176 * Handle connection requests from clients to the port
177 * "\Windows\ApiPort".
180 ServerApiPortThread (PVOID PortHandle
)
182 NTSTATUS Status
= STATUS_SUCCESS
;
183 LPC_MAX_MESSAGE Request
;
184 HANDLE hApiListenPort
= * (PHANDLE
) PortHandle
;
185 HANDLE ServerPort
= (HANDLE
) 0;
186 HANDLE ServerThread
= (HANDLE
) 0;
187 PCSRSS_PROCESS_DATA ProcessData
= NULL
;
189 CsrInitProcessData();
191 DPRINT("CSR: %s called", __FUNCTION__
);
195 LPC_SECTION_READ LpcRead
;
198 Status
= NtListenPort (hApiListenPort
, & Request
.Header
);
199 if (!NT_SUCCESS(Status
))
201 DPRINT1("CSR: NtListenPort() failed\n");
204 Status
= NtAcceptConnectPort(& ServerPort
,
210 if (!NT_SUCCESS(Status
))
212 DPRINT1("CSR: NtAcceptConnectPort() failed\n");
216 ProcessData
= CsrCreateProcessData(Request
.Header
.ClientId
.UniqueProcess
);
217 if (ProcessData
== NULL
)
219 DPRINT1("Unable to allocate or find data for process 0x%x\n",
220 Request
.Header
.ClientId
.UniqueProcess
);
221 Status
= STATUS_UNSUCCESSFUL
;
226 ProcessData
->CsrSectionViewBase
= LpcRead
.ViewBase
;
227 ProcessData
->CsrSectionViewSize
= LpcRead
.ViewSize
;
229 Status
= NtCompleteConnectPort(ServerPort
);
230 if (!NT_SUCCESS(Status
))
232 DPRINT1("CSR: NtCompleteConnectPort() failed\n");
236 Status
= RtlCreateUserThread(NtCurrentProcess(),
242 (PTHREAD_START_ROUTINE
)ClientConnectionThread
,
246 if (!NT_SUCCESS(Status
))
248 DPRINT1("CSR: Unable to create server thread\n");
251 NtClose(ServerThread
);
258 NtTerminateThread(NtCurrentThread(), Status
);
262 /**********************************************************************
264 * ServerSbApiPortThread/1
267 * Handle connection requests from SM to the port
268 * "\Windows\SbApiPort". We will accept only one
269 * connection request (from the SM).
272 ServerSbApiPortThread (PVOID PortHandle
)
274 HANDLE hSbApiPortListen
= * (PHANDLE
) PortHandle
;
275 HANDLE hConnectedPort
= (HANDLE
) 0;
276 LPC_MAX_MESSAGE Request
= {{0}};
277 PVOID Context
= NULL
;
278 NTSTATUS Status
= STATUS_SUCCESS
;
280 DPRINT("CSR: %s called\n", __FUNCTION__
);
282 Status
= NtListenPort (hSbApiPortListen
, & Request
.Header
);
283 if (!NT_SUCCESS(Status
))
285 DPRINT1("CSR: %s: NtListenPort(SB) failed (Status=0x%08lx)\n",
286 __FUNCTION__
, Status
);
289 Status
= NtAcceptConnectPort (& hConnectedPort
,
295 if(!NT_SUCCESS(Status
))
297 DPRINT1("CSR: %s: NtAcceptConnectPort() failed (Status=0x%08lx)\n",
298 __FUNCTION__
, Status
);
301 Status
= NtCompleteConnectPort (hConnectedPort
);
302 if(!NT_SUCCESS(Status
))
304 DPRINT1("CSR: %s: NtCompleteConnectPort() failed (Status=0x%08lx)\n",
305 __FUNCTION__
, Status
);
308 PLPC_MESSAGE Reply
= NULL
;
310 * Tell the init thread the SM gave the
311 * green light for boostrapping.
313 Status
= NtSetEvent (hBootstrapOk
, NULL
);
314 if(!NT_SUCCESS(Status
))
316 DPRINT1("CSR: %s: NtSetEvent failed (Status=0x%08lx)\n",
317 __FUNCTION__
, Status
);
319 /* Wait for messages from the SM */
323 Status
= NtReplyWaitReceivePort(hConnectedPort
,
327 if(!NT_SUCCESS(Status
))
329 DPRINT1("CSR: %s: NtReplyWaitReceivePort failed (Status=0x%08lx)\n",
330 __FUNCTION__
, Status
);
333 switch (Request
.Header
.MessageType
)//fix .h PORT_MESSAGE_TYPE(Request))
337 DPRINT1("CSR: %s received message (type=%d)\n",
338 __FUNCTION__
, Request
.Header
.MessageType
);
345 DPRINT1("CSR: %s: terminating!\n", __FUNCTION__
);
346 if(hConnectedPort
) NtClose (hConnectedPort
);
347 NtClose (hSbApiPortListen
);
348 NtTerminateThread (NtCurrentThread(), Status
);