154 lines
3.7 KiB
C
154 lines
3.7 KiB
C
/*++
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Copyright (c) 1989 Microsoft Corporation
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Module Name:
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sbapi.c
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Abstract:
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This module contains the implementations of the Sb API calls exported
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by the Server side of the Client-Server Runtime Subsystem to the
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Session Manager SubSystem.
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Author:
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Steve Wood (stevewo) 8-Oct-1990
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Revision History:
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--*/
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#include "csrsrv.h"
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BOOLEAN
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CsrSbCreateSession(
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IN PSBAPIMSG Msg
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)
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{
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PSBCREATESESSION a = &Msg->u.CreateSession;
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PCSR_PROCESS Process;
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PCSR_THREAD Thread;
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PVOID ProcessDataPtr;
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ULONG i;
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NTSTATUS Status;
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HANDLE ProcessHandle;
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HANDLE ThreadHandle;
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KERNEL_USER_TIMES TimeInfo;
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ProcessHandle = a->ProcessInformation.Process;
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ThreadHandle = a->ProcessInformation.Thread;
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AcquireProcessStructureLock();
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Process = CsrAllocateProcess();
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if (Process == NULL) {
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Msg->ReturnedStatus = STATUS_NO_MEMORY;
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ReleaseProcessStructureLock();
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return( TRUE );
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}
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Status = NtSetInformationProcess(
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ProcessHandle,
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ProcessExceptionPort,
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&CsrApiPort,
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sizeof(HANDLE)
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);
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if ( !NT_SUCCESS(Status) ) {
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CsrDeallocateProcess( Process );
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ReleaseProcessStructureLock();
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return( (BOOLEAN)STATUS_NO_MEMORY );
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}
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//
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// capture the thread's createtime so that we can use
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// this as a sequence number
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//
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Status = NtQueryInformationThread(
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ThreadHandle,
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ThreadTimes,
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(PVOID)&TimeInfo,
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sizeof(TimeInfo),
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NULL
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);
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if ( !NT_SUCCESS(Status) ) {
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CsrDeallocateProcess( Process );
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ReleaseProcessStructureLock();
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return( (BOOLEAN)Status );
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}
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Thread = CsrAllocateThread( Process );
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if (Thread == NULL) {
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CsrDeallocateProcess( Process );
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Msg->ReturnedStatus = STATUS_NO_MEMORY;
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ReleaseProcessStructureLock();
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return( TRUE );
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}
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Thread->CreateTime = TimeInfo.CreateTime;
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Thread->ClientId = a->ProcessInformation.ClientId;
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Thread->ThreadHandle = a->ProcessInformation.Thread;
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ProtectHandle(Thread->ThreadHandle);
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Thread->Flags = 0;
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CsrInsertThread( Process, Thread );
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//
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// this needs a little more thought
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//
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Process->NtSession = CsrAllocateNtSession( a->SessionId );
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Process->ClientId = a->ProcessInformation.ClientId;
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Process->ProcessHandle = a->ProcessInformation.Process;
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CsrSetBackgroundPriority(Process);
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//
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// initialize each DLL's per process data area.
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//
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ProcessDataPtr = (PVOID)QUAD_ALIGN(&Process->ServerDllPerProcessData[CSR_MAX_SERVER_DLL]);
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for (i=0;i<CSR_MAX_SERVER_DLL;i++) {
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if (CsrLoadedServerDll[i] != NULL && CsrLoadedServerDll[i]->PerProcessDataLength) {
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Process->ServerDllPerProcessData[i] = ProcessDataPtr;
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ProcessDataPtr = (PVOID)QUAD_ALIGN((PCHAR)ProcessDataPtr + CsrLoadedServerDll[i]->PerProcessDataLength);
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}
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else {
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Process->ServerDllPerProcessData[i] = NULL;
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}
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}
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CsrInsertProcess( NULL, NULL, Process );
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Msg->ReturnedStatus = NtResumeThread( a->ProcessInformation.Thread,
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NULL
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);
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ReleaseProcessStructureLock();
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return( TRUE );
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}
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BOOLEAN
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CsrSbTerminateSession(
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IN PSBAPIMSG Msg
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)
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{
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PSBTERMINATESESSION a = &Msg->u.TerminateSession;
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Msg->ReturnedStatus = STATUS_NOT_IMPLEMENTED;
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return( TRUE );
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}
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BOOLEAN
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CsrSbForeignSessionComplete(
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IN PSBAPIMSG Msg
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)
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{
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PSBFOREIGNSESSIONCOMPLETE a = &Msg->u.ForeignSessionComplete;
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Msg->ReturnedStatus = STATUS_NOT_IMPLEMENTED;
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return( TRUE );
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}
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