reactos/subsystems/win/basesrv/proc.c

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Base API Server DLL
* FILE: subsystems/win/basesrv/proc.c
* PURPOSE: Process and Thread Management
* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
*/
/* INCLUDES *******************************************************************/
#include "basesrv.h"
#include "vdm.h"
#define NDEBUG
#include <debug.h>
/* GLOBALS ********************************************************************/
/* User notification procedure to be called when a process is created */
static BASE_PROCESS_CREATE_NOTIFY_ROUTINE UserNotifyProcessCreate = NULL;
/* PUBLIC SERVER APIS *********************************************************/
CSR_API(BaseSrvDebugProcess)
{
/* Deprecated */
return STATUS_UNSUCCESSFUL;
}
CSR_API(BaseSrvRegisterThread)
{
DPRINT1("%s not yet implemented\n", __FUNCTION__);
return STATUS_NOT_IMPLEMENTED;
}
CSR_API(BaseSrvSxsCreateActivationContext)
{
DPRINT1("%s not yet implemented\n", __FUNCTION__);
return STATUS_NOT_IMPLEMENTED;
}
CSR_API(BaseSrvSetTermsrvAppInstallMode)
{
DPRINT1("%s not yet implemented\n", __FUNCTION__);
return STATUS_NOT_IMPLEMENTED;
}
CSR_API(BaseSrvSetTermsrvClientTimeZone)
{
DPRINT1("%s not yet implemented\n", __FUNCTION__);
return STATUS_NOT_IMPLEMENTED;
}
CSR_API(BaseSrvGetTempFile)
{
static UINT BaseGetTempFileUnique = 0;
PBASE_GET_TEMP_FILE GetTempFile = &((PBASE_API_MESSAGE)ApiMessage)->Data.GetTempFileRequest;
/* Return 16-bits ID */
GetTempFile->UniqueID = (++BaseGetTempFileUnique & 0xFFFF);
DPRINT("Returning: %u\n", GetTempFile->UniqueID);
return GetTempFile->UniqueID;
}
CSR_API(BaseSrvCreateProcess)
{
NTSTATUS Status;
PBASE_CREATE_PROCESS CreateProcessRequest = &((PBASE_API_MESSAGE)ApiMessage)->Data.CreateProcessRequest;
HANDLE ProcessHandle, ThreadHandle;
PCSR_THREAD CsrThread;
PCSR_PROCESS Process;
ULONG Flags = 0, DebugFlags = 0, VdmPower = 0;
/* Get the current client thread */
CsrThread = CsrGetClientThread();
ASSERT(CsrThread != NULL);
Process = CsrThread->Process;
/* Extract the flags out of the process handle */
Flags = (ULONG_PTR)CreateProcessRequest->ProcessHandle & 3;
CreateProcessRequest->ProcessHandle = (HANDLE)((ULONG_PTR)CreateProcessRequest->ProcessHandle & ~3);
/* Some things should be done if this is a VDM process */
if (CreateProcessRequest->VdmBinaryType)
{
/* We need to set the VDM power later on */
VdmPower = 1;
}
/* Duplicate the process handle */
Status = NtDuplicateObject(Process->ProcessHandle,
CreateProcessRequest->ProcessHandle,
NtCurrentProcess(),
&ProcessHandle,
0,
0,
DUPLICATE_SAME_ACCESS);
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed to duplicate process handle: %lx\n", Status);
return Status;
}
/* Duplicate the thread handle */
Status = NtDuplicateObject(Process->ProcessHandle,
CreateProcessRequest->ThreadHandle,
NtCurrentProcess(),
&ThreadHandle,
0,
0,
DUPLICATE_SAME_ACCESS);
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed to duplicate thread handle: %lx\n", Status);
NtClose(ProcessHandle);
return Status;
}
/* If this is a VDM process, request VDM power */
if (VdmPower)
{
Status = NtSetInformationProcess(ProcessHandle,
ProcessWx86Information,
&VdmPower,
sizeof(VdmPower));
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed to get VDM powers\n");
NtClose(ProcessHandle);
NtClose(ThreadHandle);
return Status;
}
}
/* Flags conversion. FIXME: More need conversion */
if (CreateProcessRequest->CreationFlags & CREATE_NEW_PROCESS_GROUP)
{
DebugFlags |= CsrProcessCreateNewGroup;
}
if ((Flags & 2) == 0)
{
/* We are launching a console process */
DebugFlags |= CsrProcessIsConsoleApp;
}
/* FIXME: SxS Stuff */
/* Call CSRSRV to create the CSR_PROCESS structure and the first CSR_THREAD */
Status = CsrCreateProcess(ProcessHandle,
ThreadHandle,
&CreateProcessRequest->ClientId,
Process->NtSession,
DebugFlags,
NULL);
if (Status == STATUS_THREAD_IS_TERMINATING)
{
DPRINT1("Thread already dead\n");
/* Set the special reply value so we don't reply this message back */
*ReplyCode = CsrReplyDeadClient;
return Status;
}
/* Check for other failures */
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed to create process/thread structures: %lx\n", Status);
return Status;
}
/* Call the user notification procedure */
if (UserNotifyProcessCreate)
{
UserNotifyProcessCreate(CreateProcessRequest->ClientId.UniqueProcess,
Process->ClientId.UniqueThread,
0,
Flags);
}
/* Check if this is a VDM process */
if (CreateProcessRequest->VdmBinaryType)
{
PVDM_CONSOLE_RECORD ConsoleRecord;
if (CreateProcessRequest->VdmTask != 0)
{
/* Get the console record using the task ID */
Status = GetConsoleRecordBySessionId(CreateProcessRequest->VdmTask,
&ConsoleRecord);
}
else
{
/* Get the console record using the console handle */
Status = BaseSrvGetConsoleRecord(CreateProcessRequest->hVDM,
&ConsoleRecord);
}
/* Check if it failed */
if (!NT_SUCCESS(Status)) return Status;
/* Store the process ID of the VDM in the console record */
ConsoleRecord->ProcessId = HandleToUlong(CreateProcessRequest->ClientId.UniqueProcess);
}
/* Return the result of this operation */
return Status;
}
CSR_API(BaseSrvCreateThread)
{
NTSTATUS Status;
PBASE_CREATE_THREAD CreateThreadRequest = &((PBASE_API_MESSAGE)ApiMessage)->Data.CreateThreadRequest;
PCSR_THREAD CurrentThread;
HANDLE ThreadHandle;
PCSR_PROCESS CsrProcess;
/* Get the current CSR thread */
CurrentThread = CsrGetClientThread();
if (!CurrentThread)
{
DPRINT1("Server Thread TID: [%lx.%lx]\n",
CreateThreadRequest->ClientId.UniqueProcess,
CreateThreadRequest->ClientId.UniqueThread);
return STATUS_SUCCESS; // server-to-server
}
/* Get the CSR Process for this request */
CsrProcess = CurrentThread->Process;
if (CsrProcess->ClientId.UniqueProcess !=
CreateThreadRequest->ClientId.UniqueProcess)
{
/* This is a remote thread request -- is it within the server itself? */
if (CreateThreadRequest->ClientId.UniqueProcess == NtCurrentTeb()->ClientId.UniqueProcess)
{
/* Accept this without any further work */
return STATUS_SUCCESS;
}
/* Get the real CSR Process for the remote thread's process */
Status = CsrLockProcessByClientId(CreateThreadRequest->ClientId.UniqueProcess,
&CsrProcess);
if (!NT_SUCCESS(Status)) return Status;
}
/* Duplicate the thread handle so we can own it */
Status = NtDuplicateObject(CurrentThread->Process->ProcessHandle,
CreateThreadRequest->ThreadHandle,
NtCurrentProcess(),
&ThreadHandle,
0,
0,
DUPLICATE_SAME_ACCESS);
if (NT_SUCCESS(Status))
{
/* Call CSRSRV to tell it about the new thread */
Status = CsrCreateThread(CsrProcess,
ThreadHandle,
&CreateThreadRequest->ClientId,
TRUE);
}
/* Unlock the process and return */
if (CsrProcess != CurrentThread->Process) CsrUnlockProcess(CsrProcess);
return Status;
}
CSR_API(BaseSrvExitProcess)
{
PCSR_THREAD CsrThread = CsrGetClientThread();
ASSERT(CsrThread != NULL);
/* Set the special reply value so we don't reply this message back */
*ReplyCode = CsrReplyDeadClient;
/* Remove the CSR_THREADs and CSR_PROCESS */
return CsrDestroyProcess(&CsrThread->ClientId,
(NTSTATUS)((PBASE_API_MESSAGE)ApiMessage)->Data.ExitProcessRequest.uExitCode);
}
CSR_API(BaseSrvGetProcessShutdownParam)
{
PBASE_GETSET_PROCESS_SHUTDOWN_PARAMS ShutdownParametersRequest = &((PBASE_API_MESSAGE)ApiMessage)->Data.ShutdownParametersRequest;
PCSR_THREAD CsrThread = CsrGetClientThread();
ASSERT(CsrThread);
ShutdownParametersRequest->ShutdownLevel = CsrThread->Process->ShutdownLevel;
/* Only SHUTDOWN_NORETRY flag is valid for this API. The other private flags are for CSRSRV/WINSRV only. */
ShutdownParametersRequest->ShutdownFlags = CsrThread->Process->ShutdownFlags & SHUTDOWN_NORETRY;
return STATUS_SUCCESS;
}
CSR_API(BaseSrvSetProcessShutdownParam)
{
PBASE_GETSET_PROCESS_SHUTDOWN_PARAMS ShutdownParametersRequest = &((PBASE_API_MESSAGE)ApiMessage)->Data.ShutdownParametersRequest;
PCSR_THREAD CsrThread = CsrGetClientThread();
ASSERT(CsrThread);
/* Only SHUTDOWN_NORETRY flag is valid for this API. The other private flags are for CSRSRV/WINSRV only. */
if (ShutdownParametersRequest->ShutdownFlags & ~SHUTDOWN_NORETRY)
{
/* If there were other flags specified, fail the call */
return STATUS_INVALID_PARAMETER;
}
CsrThread->Process->ShutdownLevel = ShutdownParametersRequest->ShutdownLevel;
/* Notice that all the possible other private flags are reinitialized here */
CsrThread->Process->ShutdownFlags = ShutdownParametersRequest->ShutdownFlags;
return STATUS_SUCCESS;
}
/* PUBLIC API *****************************************************************/
VOID
NTAPI
BaseSetProcessCreateNotify(IN BASE_PROCESS_CREATE_NOTIFY_ROUTINE ProcessCreateNotifyProc)
{
/* Set the user notification procedure to be called when a process is created */
UserNotifyProcessCreate = ProcessCreateNotifyProc;
}
/* EOF */