mirror of
https://github.com/reactos/reactos.git
synced 2024-10-30 11:35:58 +00:00
678 lines
25 KiB
C
678 lines
25 KiB
C
/*
|
|
* PROJECT: ReactOS Windows-Compatible Session Manager
|
|
* LICENSE: BSD 2-Clause License
|
|
* FILE: base/system/smss/smsubsys.c
|
|
* PURPOSE: Main SMSS Code
|
|
* PROGRAMMERS: Alex Ionescu
|
|
*/
|
|
|
|
/* INCLUDES *******************************************************************/
|
|
|
|
#include "smss.h"
|
|
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
/* GLOBALS ********************************************************************/
|
|
|
|
RTL_CRITICAL_SECTION SmpKnownSubSysLock;
|
|
LIST_ENTRY SmpKnownSubSysHead;
|
|
HANDLE SmpWindowsSubSysProcess;
|
|
HANDLE SmpWindowsSubSysProcessId;
|
|
BOOLEAN RegPosixSingleInstance;
|
|
WCHAR InitialCommandBuffer[256];
|
|
|
|
/* FUNCTIONS ******************************************************************/
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
SmpCallCsrCreateProcess(IN PSB_API_MSG SbApiMsg,
|
|
IN USHORT MessageLength,
|
|
IN HANDLE PortHandle)
|
|
{
|
|
NTSTATUS Status;
|
|
|
|
/* Initialize the header and send the message to CSRSS */
|
|
SbApiMsg->h.u2.ZeroInit = 0;
|
|
SbApiMsg->h.u1.s1.DataLength = MessageLength + 8;
|
|
SbApiMsg->h.u1.s1.TotalLength = sizeof(SB_API_MSG);
|
|
SbApiMsg->ApiNumber = SbpCreateProcess;
|
|
Status = NtRequestWaitReplyPort(PortHandle, &SbApiMsg->h, &SbApiMsg->h);
|
|
if (NT_SUCCESS(Status)) Status = SbApiMsg->ReturnValue;
|
|
return Status;
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
SmpDereferenceSubsystem(IN PSMP_SUBSYSTEM SubSystem)
|
|
{
|
|
/* Acquire the database lock while we (potentially) destroy this subsystem */
|
|
RtlEnterCriticalSection(&SmpKnownSubSysLock);
|
|
|
|
/* Drop the reference and see if it's terminating */
|
|
if (!(--SubSystem->ReferenceCount) && (SubSystem->Terminating))
|
|
{
|
|
/* Close all handles and free it */
|
|
if (SubSystem->Event) NtClose(SubSystem->Event);
|
|
if (SubSystem->ProcessHandle) NtClose(SubSystem->ProcessHandle);
|
|
if (SubSystem->SbApiPort) NtClose(SubSystem->SbApiPort);
|
|
RtlFreeHeap(SmpHeap, 0, SubSystem);
|
|
}
|
|
|
|
/* Release the database lock */
|
|
RtlLeaveCriticalSection(&SmpKnownSubSysLock);
|
|
}
|
|
|
|
PSMP_SUBSYSTEM
|
|
NTAPI
|
|
SmpLocateKnownSubSysByCid(IN PCLIENT_ID ClientId)
|
|
{
|
|
PSMP_SUBSYSTEM Subsystem = NULL;
|
|
PLIST_ENTRY NextEntry;
|
|
|
|
/* Lock the subsystem database */
|
|
RtlEnterCriticalSection(&SmpKnownSubSysLock);
|
|
|
|
/* Loop each subsystem in the database */
|
|
NextEntry = SmpKnownSubSysHead.Flink;
|
|
while (NextEntry != &SmpKnownSubSysHead)
|
|
{
|
|
/* Check if this one matches the client ID and is still valid */
|
|
Subsystem = CONTAINING_RECORD(NextEntry, SMP_SUBSYSTEM, Entry);
|
|
if ((*(PULONGLONG)&Subsystem->ClientId == *(PULONGLONG)ClientId) &&
|
|
!(Subsystem->Terminating))
|
|
{
|
|
/* Add a reference and return it */
|
|
Subsystem->ReferenceCount++;
|
|
break;
|
|
}
|
|
|
|
/* Reset the current pointer and keep earching */
|
|
Subsystem = NULL;
|
|
NextEntry = NextEntry->Flink;
|
|
}
|
|
|
|
/* Release the lock and return the subsystem we found */
|
|
RtlLeaveCriticalSection(&SmpKnownSubSysLock);
|
|
return Subsystem;
|
|
}
|
|
|
|
PSMP_SUBSYSTEM
|
|
NTAPI
|
|
SmpLocateKnownSubSysByType(IN ULONG MuSessionId,
|
|
IN ULONG ImageType)
|
|
{
|
|
PSMP_SUBSYSTEM Subsystem = NULL;
|
|
PLIST_ENTRY NextEntry;
|
|
|
|
/* Lock the subsystem database */
|
|
RtlEnterCriticalSection(&SmpKnownSubSysLock);
|
|
|
|
/* Loop each subsystem in the database */
|
|
NextEntry = SmpKnownSubSysHead.Flink;
|
|
while (NextEntry != &SmpKnownSubSysHead)
|
|
{
|
|
/* Check if this one matches the image and uID, and is still valid */
|
|
Subsystem = CONTAINING_RECORD(NextEntry, SMP_SUBSYSTEM, Entry);
|
|
if ((Subsystem->ImageType == ImageType) &&
|
|
!(Subsystem->Terminating) &&
|
|
(Subsystem->MuSessionId == MuSessionId))
|
|
{
|
|
/* Return it referenced for the caller */
|
|
Subsystem->ReferenceCount++;
|
|
break;
|
|
}
|
|
|
|
/* Reset the current pointer and keep earching */
|
|
Subsystem = NULL;
|
|
NextEntry = NextEntry->Flink;
|
|
}
|
|
|
|
/* Release the lock and return the subsystem we found */
|
|
RtlLeaveCriticalSection(&SmpKnownSubSysLock);
|
|
return Subsystem;
|
|
}
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
SmpLoadSubSystem(IN PUNICODE_STRING FileName,
|
|
IN PUNICODE_STRING Directory,
|
|
IN PUNICODE_STRING CommandLine,
|
|
IN ULONG MuSessionId,
|
|
OUT PHANDLE ProcessId,
|
|
IN ULONG Flags)
|
|
{
|
|
PSMP_SUBSYSTEM Subsystem, NewSubsystem, KnownSubsystem = NULL;
|
|
HANDLE SubSysProcessId;
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
|
SB_API_MSG SbApiMsg, SbApiMsg2;
|
|
RTL_USER_PROCESS_INFORMATION ProcessInformation;
|
|
LARGE_INTEGER Timeout;
|
|
PVOID State;
|
|
PSB_CREATE_PROCESS_MSG CreateProcess = &SbApiMsg.CreateProcess;
|
|
PSB_CREATE_SESSION_MSG CreateSession = &SbApiMsg.CreateSession;
|
|
|
|
/* Make sure this is a found subsystem */
|
|
if (Flags & SMP_INVALID_PATH)
|
|
{
|
|
DPRINT1("SMSS: Unable to find subsystem - %wZ\n", FileName);
|
|
return STATUS_OBJECT_NAME_NOT_FOUND;
|
|
}
|
|
|
|
/* Don't use a session if the flag is set */
|
|
if (Flags & 0x80) MuSessionId = 0;
|
|
|
|
/* Lock the subsystems while we do a look up */
|
|
RtlEnterCriticalSection(&SmpKnownSubSysLock);
|
|
while (TRUE)
|
|
{
|
|
/* Check if we found a subsystem not yet fully initialized */
|
|
Subsystem = SmpLocateKnownSubSysByType(MuSessionId, -1);
|
|
if (!Subsystem) break;
|
|
RtlLeaveCriticalSection(&SmpKnownSubSysLock);
|
|
|
|
/* Wait on it to initialize */
|
|
NtWaitForSingleObject(Subsystem->Event, FALSE, NULL);
|
|
|
|
/* Dereference it and try the next one */
|
|
RtlEnterCriticalSection(&SmpKnownSubSysLock);
|
|
SmpDereferenceSubsystem(Subsystem);
|
|
}
|
|
|
|
/* Check if this is a POSIX subsystem */
|
|
if (Flags & SMP_POSIX_FLAG)
|
|
{
|
|
/* Do we already have it? */
|
|
Subsystem = SmpLocateKnownSubSysByType(MuSessionId, IMAGE_SUBSYSTEM_POSIX_CUI);
|
|
}
|
|
else if (Flags & SMP_OS2_FLAG)
|
|
{
|
|
/* This is an OS/2 subsystem, do we we already have it? */
|
|
Subsystem = SmpLocateKnownSubSysByType(MuSessionId, IMAGE_SUBSYSTEM_OS2_CUI);
|
|
}
|
|
|
|
/* Check if we already have one of the optional subsystems for the session */
|
|
if (Subsystem)
|
|
{
|
|
/* Dereference and return, no work to do */
|
|
SmpDereferenceSubsystem(Subsystem);
|
|
RtlLeaveCriticalSection(&SmpKnownSubSysLock);
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
/* Allocate a new subsystem! */
|
|
NewSubsystem = RtlAllocateHeap(SmpHeap, SmBaseTag, sizeof(SMP_SUBSYSTEM));
|
|
if (!NewSubsystem)
|
|
{
|
|
RtlLeaveCriticalSection(&SmpKnownSubSysLock);
|
|
return STATUS_NO_MEMORY;
|
|
}
|
|
|
|
/* Initialize its header and reference count */
|
|
NewSubsystem->ReferenceCount = 1;
|
|
NewSubsystem->MuSessionId = MuSessionId;
|
|
NewSubsystem->ImageType = -1;
|
|
|
|
/* Clear out all the other data for now */
|
|
NewSubsystem->Terminating = FALSE;
|
|
NewSubsystem->ProcessHandle = NULL;
|
|
NewSubsystem->Event = NULL;
|
|
NewSubsystem->PortHandle = NULL;
|
|
NewSubsystem->SbApiPort = NULL;
|
|
|
|
/* Create the event we'll be waiting on for initialization */
|
|
Status = NtCreateEvent(&NewSubsystem->Event,
|
|
EVENT_ALL_ACCESS,
|
|
NULL,
|
|
NotificationEvent,
|
|
FALSE);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
/* This failed, bail out */
|
|
RtlFreeHeap(SmpHeap, 0, NewSubsystem);
|
|
RtlLeaveCriticalSection(&SmpKnownSubSysLock);
|
|
return STATUS_NO_MEMORY;
|
|
}
|
|
|
|
/* Insert the subsystem and release the lock. It can now be found */
|
|
InsertTailList(&SmpKnownSubSysHead, &NewSubsystem->Entry);
|
|
RtlLeaveCriticalSection(&SmpKnownSubSysLock);
|
|
|
|
/* The OS/2 and POSIX subsystems are actually Windows applications! */
|
|
if (Flags & (SMP_POSIX_FLAG | SMP_OS2_FLAG))
|
|
{
|
|
/* Locate the Windows subsystem for this session */
|
|
KnownSubsystem = SmpLocateKnownSubSysByType(MuSessionId,
|
|
IMAGE_SUBSYSTEM_WINDOWS_GUI);
|
|
if (!KnownSubsystem)
|
|
{
|
|
DPRINT1("SMSS: SmpLoadSubSystem - SmpLocateKnownSubSysByType Failed\n");
|
|
goto Quickie2;
|
|
}
|
|
|
|
/* Fill out all the process details and call CSRSS to launch it */
|
|
CreateProcess->In.ImageName = FileName;
|
|
CreateProcess->In.CurrentDirectory = Directory;
|
|
CreateProcess->In.CommandLine = CommandLine;
|
|
CreateProcess->In.DllPath = SmpDefaultLibPath.Length ?
|
|
&SmpDefaultLibPath : NULL;
|
|
CreateProcess->In.Flags = Flags | SMP_DEFERRED_FLAG;
|
|
CreateProcess->In.DebugFlags = SmpDebug;
|
|
Status = SmpCallCsrCreateProcess(&SbApiMsg,
|
|
sizeof(*CreateProcess),
|
|
KnownSubsystem->SbApiPort);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
/* Handle failures */
|
|
DPRINT1("SMSS: SmpLoadSubSystem - SmpCallCsrCreateProcess Failed with Status %lx\n",
|
|
Status);
|
|
goto Quickie2;
|
|
}
|
|
|
|
/* Save the process information we'll need for the create session */
|
|
ProcessInformation.ProcessHandle = CreateProcess->Out.ProcessHandle;
|
|
ProcessInformation.ThreadHandle = CreateProcess->Out.ThreadHandle;
|
|
ProcessInformation.ClientId = CreateProcess->Out.ClientId;
|
|
ProcessInformation.ImageInformation.SubSystemType = CreateProcess->Out.SubsystemType;
|
|
}
|
|
else
|
|
{
|
|
/* This must be CSRSS itself, so just launch it and that's it */
|
|
Status = SmpExecuteImage(FileName,
|
|
Directory,
|
|
CommandLine,
|
|
MuSessionId,
|
|
Flags | SMP_DEFERRED_FLAG,
|
|
&ProcessInformation);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
/* Handle failures */
|
|
DPRINT1("SMSS: SmpLoadSubSystem - SmpExecuteImage Failed with Status %lx\n",
|
|
Status);
|
|
goto Quickie2;
|
|
}
|
|
}
|
|
|
|
/* Fill out the handle and client ID in the subsystem structure now */
|
|
NewSubsystem->ProcessHandle = ProcessInformation.ProcessHandle;
|
|
NewSubsystem->ClientId = ProcessInformation.ClientId;
|
|
|
|
/* Check if we launched a native image or a subsystem-backed image */
|
|
if (ProcessInformation.ImageInformation.SubSystemType == IMAGE_SUBSYSTEM_NATIVE)
|
|
{
|
|
/* This must be CSRSS itself, since it's a native subsystem image */
|
|
SubSysProcessId = ProcessInformation.ClientId.UniqueProcess;
|
|
if ((ProcessId) && !(*ProcessId)) *ProcessId = SubSysProcessId;
|
|
|
|
/* Was this the initial CSRSS on Session 0? */
|
|
if (!MuSessionId)
|
|
{
|
|
/* Then save it in the global variables */
|
|
SmpWindowsSubSysProcessId = SubSysProcessId;
|
|
SmpWindowsSubSysProcess = ProcessInformation.ProcessHandle;
|
|
}
|
|
ASSERT(NT_SUCCESS(Status));
|
|
}
|
|
else
|
|
{
|
|
/* This is the POSIX or OS/2 subsystem process, copy its information */
|
|
RtlCopyMemory(&CreateSession->ProcessInfo,
|
|
&ProcessInformation,
|
|
sizeof(CreateSession->ProcessInfo));
|
|
|
|
/* Not sure these field mean what I think they do -- but clear them */
|
|
*(PULONGLONG)&CreateSession->ClientId = 0;
|
|
CreateSession->MuSessionId = 0;
|
|
|
|
/* This should find CSRSS because they are POSIX or OS/2 subsystems */
|
|
Subsystem = SmpLocateKnownSubSysByType(MuSessionId,
|
|
ProcessInformation.ImageInformation.SubSystemType);
|
|
if (!Subsystem)
|
|
{
|
|
/* Odd failure -- but handle it anyway */
|
|
Status = STATUS_NO_SUCH_PACKAGE;
|
|
DPRINT1("SMSS: SmpLoadSubSystem - SmpLocateKnownSubSysByType Failed with Status %lx for sessionid %lu\n",
|
|
Status,
|
|
MuSessionId);
|
|
goto Quickie;
|
|
}
|
|
|
|
/* Duplicate the parent process handle for the subsystem to have */
|
|
Status = NtDuplicateObject(NtCurrentProcess(),
|
|
ProcessInformation.ProcessHandle,
|
|
Subsystem->ProcessHandle,
|
|
&CreateSession->ProcessInfo.ProcessHandle,
|
|
PROCESS_ALL_ACCESS,
|
|
0,
|
|
0);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
/* Fail since this is critical */
|
|
DPRINT1("SMSS: SmpLoadSubSystem - NtDuplicateObject Failed with Status %lx for sessionid %lu\n",
|
|
Status,
|
|
MuSessionId);
|
|
goto Quickie;
|
|
}
|
|
|
|
/* Duplicate the initial thread handle for the subsystem to have */
|
|
Status = NtDuplicateObject(NtCurrentProcess(),
|
|
ProcessInformation.ThreadHandle,
|
|
Subsystem->ProcessHandle,
|
|
&CreateSession->ProcessInfo.ThreadHandle,
|
|
THREAD_ALL_ACCESS,
|
|
0,
|
|
0);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
/* Fail since this is critical */
|
|
DPRINT1("SMSS: SmpLoadSubSystem - NtDuplicateObject Failed with Status %lx for sessionid %lu\n",
|
|
Status,
|
|
MuSessionId);
|
|
goto Quickie;
|
|
}
|
|
|
|
/* Allocate an internal Session ID for this subsystem */
|
|
MuSessionId = SmpAllocateSessionId(Subsystem, 0);
|
|
CreateSession->SessionId = MuSessionId;
|
|
|
|
/* Send the create session message to the subsystem */
|
|
SbApiMsg2.ReturnValue = STATUS_SUCCESS;
|
|
SbApiMsg2.h.u2.ZeroInit = 0;
|
|
SbApiMsg2.h.u1.s1.DataLength = sizeof(SB_CREATE_SESSION_MSG) + 8;
|
|
SbApiMsg2.h.u1.s1.TotalLength = sizeof(SB_API_MSG);
|
|
Status = NtRequestWaitReplyPort(Subsystem->SbApiPort,
|
|
&SbApiMsg2.h,
|
|
&SbApiMsg2.h);
|
|
if (NT_SUCCESS(Status)) Status = SbApiMsg2.ReturnValue;
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
/* Delete the session and handle failure if the LPC call failed */
|
|
SmpDeleteSession(CreateSession->SessionId);
|
|
DPRINT1("SMSS: SmpLoadSubSystem - NtRequestWaitReplyPort Failed with Status %lx for sessionid %lu\n",
|
|
Status,
|
|
CreateSession->SessionId);
|
|
goto Quickie;
|
|
}
|
|
}
|
|
|
|
/* Okay, everything looks good to go, initialize this subsystem now! */
|
|
Status = NtResumeThread(ProcessInformation.ThreadHandle, NULL);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
/* That didn't work -- back out of everything */
|
|
DPRINT1("SMSS: SmpLoadSubSystem - NtResumeThread failed Status %lx\n", Status);
|
|
goto Quickie;
|
|
}
|
|
|
|
/* Check if this was the subsystem for a different session */
|
|
if (MuSessionId)
|
|
{
|
|
/* Wait up to 60 seconds for it to initialize */
|
|
Timeout.QuadPart = -600000000;
|
|
Status = NtWaitForSingleObject(NewSubsystem->Event, FALSE, &Timeout);
|
|
|
|
/* Timeout is done -- does this session still exist? */
|
|
if (!SmpCheckDuplicateMuSessionId(MuSessionId))
|
|
{
|
|
/* Nope, it died. Cleanup should've ocurred in a different path. */
|
|
DPRINT1("SMSS: SmpLoadSubSystem - session deleted\n");
|
|
return STATUS_DELETE_PENDING;
|
|
}
|
|
|
|
/* Check if we timed our or there was another error with the wait */
|
|
if (Status != STATUS_WAIT_0)
|
|
{
|
|
/* Something is wrong with the subsystem, so back out of everything */
|
|
DPRINT1("SMSS: SmpLoadSubSystem - Timeout waiting for subsystem connect with Status %lx for sessionid %lu\n",
|
|
Status,
|
|
MuSessionId);
|
|
goto Quickie;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* This a session 0 subsystem, just wait for it to initialize */
|
|
NtWaitForSingleObject(NewSubsystem->Event, FALSE, NULL);
|
|
}
|
|
|
|
/* Subsystem is created, resumed, and initialized. Close handles and exit */
|
|
NtClose(ProcessInformation.ThreadHandle);
|
|
Status = STATUS_SUCCESS;
|
|
goto Quickie2;
|
|
|
|
Quickie:
|
|
/* This is the failure path. First check if we need to detach from session */
|
|
if ((AttachedSessionId == -1) || (Flags & (SMP_POSIX_FLAG | SMP_OS2_FLAG)))
|
|
{
|
|
/* We were not attached, or did not launch subsystems that required it */
|
|
DPRINT1("SMSS: Did not detach from Session Space: SessionId=%x Flags=%x Status=%x\n",
|
|
AttachedSessionId,
|
|
Flags | SMP_DEFERRED_FLAG,
|
|
Status);
|
|
}
|
|
else
|
|
{
|
|
/* Get the privilege we need for detachment */
|
|
Status = SmpAcquirePrivilege(SE_LOAD_DRIVER_PRIVILEGE, &State);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
/* We can't detach without it */
|
|
DPRINT1("SMSS: Did not detach from Session Space: SessionId=%x Flags=%x Status=%x\n",
|
|
AttachedSessionId,
|
|
Flags | SMP_DEFERRED_FLAG,
|
|
Status);
|
|
}
|
|
else
|
|
{
|
|
/* Now detach from the session */
|
|
Status = NtSetSystemInformation(SystemSessionDetach,
|
|
&AttachedSessionId,
|
|
sizeof(AttachedSessionId));
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
/* Failed to detach. Note the DPRINT1 has a typo in Windows */
|
|
DPRINT1("SMSS: SmpStartCsr, Couldn't Detach from Session Space. Status=%x\n", Status);
|
|
ASSERT(NT_SUCCESS(Status));
|
|
}
|
|
else
|
|
{
|
|
/* Detachment worked, reset our attached session ID */
|
|
AttachedSessionId = -1;
|
|
}
|
|
|
|
/* And release the privilege we acquired */
|
|
SmpReleasePrivilege(State);
|
|
}
|
|
}
|
|
|
|
/* Since this is the failure path, terminate the subsystem process */
|
|
NtTerminateProcess(ProcessInformation.ProcessHandle, Status);
|
|
NtClose(ProcessInformation.ThreadHandle);
|
|
|
|
Quickie2:
|
|
/* This is the cleanup path -- first dereference our subsystems */
|
|
RtlEnterCriticalSection(&SmpKnownSubSysLock);
|
|
if (Subsystem) SmpDereferenceSubsystem(Subsystem);
|
|
if (KnownSubsystem) SmpDereferenceSubsystem(KnownSubsystem);
|
|
|
|
/* In the failure case, destroy the new subsystem we just created */
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
RemoveEntryList(&NewSubsystem->Entry);
|
|
NtSetEvent(NewSubsystem->Event, 0);
|
|
SmpDereferenceSubsystem(NewSubsystem);
|
|
}
|
|
|
|
/* Finally, we're all done! */
|
|
RtlLeaveCriticalSection(&SmpKnownSubSysLock);
|
|
return Status;
|
|
}
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
SmpLoadSubSystemsForMuSession(IN PULONG MuSessionId,
|
|
OUT PHANDLE ProcessId,
|
|
IN PUNICODE_STRING InitialCommand)
|
|
{
|
|
NTSTATUS Status = STATUS_SUCCESS, Status2;
|
|
PSMP_REGISTRY_VALUE RegEntry;
|
|
UNICODE_STRING DestinationString, NtPath;
|
|
PLIST_ENTRY NextEntry;
|
|
LARGE_INTEGER Timeout;
|
|
PVOID State;
|
|
|
|
/* Write a few last registry keys with the boot partition information */
|
|
SmpTranslateSystemPartitionInformation();
|
|
|
|
/* Process "SetupExecute" values */
|
|
NextEntry = SmpSetupExecuteList.Flink;
|
|
while (NextEntry != &SmpSetupExecuteList)
|
|
{
|
|
/* Execute each one and move on */
|
|
RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
|
|
SmpExecuteCommand(&RegEntry->Name, 0, NULL, 0);
|
|
NextEntry = NextEntry->Flink;
|
|
}
|
|
|
|
/* Now process the subsystems */
|
|
NextEntry = SmpSubSystemList.Flink;
|
|
while (NextEntry != &SmpSubSystemList)
|
|
{
|
|
/* Get the entry and check if this is the special Win32k entry */
|
|
RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
|
|
if (_wcsicmp(RegEntry->Name.Buffer, L"Kmode") == 0)
|
|
{
|
|
/* Translate it */
|
|
if (!RtlDosPathNameToNtPathName_U(RegEntry->Value.Buffer,
|
|
&NtPath,
|
|
NULL,
|
|
NULL))
|
|
{
|
|
Status = STATUS_OBJECT_PATH_SYNTAX_BAD;
|
|
DPRINT1("Failed: %lx\n", Status);
|
|
}
|
|
else
|
|
{
|
|
/* Get the driver privilege */
|
|
Status = SmpAcquirePrivilege(SE_LOAD_DRIVER_PRIVILEGE, &State);
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
/* Create the new session */
|
|
ASSERT(AttachedSessionId == -1);
|
|
Status = NtSetSystemInformation(SystemSessionCreate,
|
|
MuSessionId,
|
|
sizeof(*MuSessionId));
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
DPRINT1("SMSS: Session space creation failed\n");
|
|
SmpReleasePrivilege(State);
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, NtPath.Buffer);
|
|
return Status;
|
|
}
|
|
AttachedSessionId = *MuSessionId;
|
|
|
|
/*
|
|
* Start Win32k.sys on this session. Use a hardcoded value
|
|
* instead of the Kmode one...
|
|
*/
|
|
RtlInitUnicodeString(&DestinationString,
|
|
L"\\SystemRoot\\System32\\win32k.sys");
|
|
Status = NtSetSystemInformation(SystemExtendServiceTableInformation,
|
|
&DestinationString,
|
|
sizeof(DestinationString));
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, NtPath.Buffer);
|
|
SmpReleasePrivilege(State);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
DPRINT1("SMSS: Load of WIN32K failed.\n");
|
|
return Status;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Next entry */
|
|
NextEntry = NextEntry->Flink;
|
|
}
|
|
|
|
/* Now parse the required subsystem list */
|
|
NextEntry = SmpSubSystemsToLoad.Flink;
|
|
while (NextEntry != &SmpSubSystemsToLoad)
|
|
{
|
|
/* Get each entry and check if it's the internal debug or not */
|
|
RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
|
|
if (_wcsicmp(RegEntry->Name.Buffer, L"Debug") == 0)
|
|
{
|
|
/* Load the internal debug system */
|
|
Status = SmpExecuteCommand(&RegEntry->Value,
|
|
*MuSessionId,
|
|
ProcessId,
|
|
SMP_DEBUG_FLAG | SMP_SUBSYSTEM_FLAG);
|
|
}
|
|
else
|
|
{
|
|
/* Load the required subsystem */
|
|
Status = SmpExecuteCommand(&RegEntry->Value,
|
|
*MuSessionId,
|
|
ProcessId,
|
|
SMP_SUBSYSTEM_FLAG);
|
|
}
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
DbgPrint("SMSS: Subsystem execute failed (%wZ)\n", &RegEntry->Value);
|
|
return Status;
|
|
}
|
|
|
|
/* Move to the next entry */
|
|
NextEntry = NextEntry->Flink;
|
|
}
|
|
|
|
/* Process the "Execute" list now */
|
|
NextEntry = SmpExecuteList.Blink;
|
|
if (NextEntry != &SmpExecuteList)
|
|
{
|
|
/* Get the custom initial command */
|
|
RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
|
|
|
|
/* Write the initial command and wait for 5 seconds (why??!) */
|
|
*InitialCommand = RegEntry->Name;
|
|
Timeout.QuadPart = -50000000;
|
|
NtDelayExecution(FALSE, &Timeout);
|
|
}
|
|
else
|
|
{
|
|
/* Use the default Winlogon initial command */
|
|
RtlInitUnicodeString(InitialCommand, L"winlogon.exe");
|
|
InitialCommandBuffer[0] = UNICODE_NULL;
|
|
|
|
/* Check if there's a debugger for Winlogon */
|
|
Status2 = LdrQueryImageFileExecutionOptions(InitialCommand,
|
|
L"Debugger",
|
|
REG_SZ,
|
|
InitialCommandBuffer,
|
|
sizeof(InitialCommandBuffer) -
|
|
InitialCommand->Length,
|
|
NULL);
|
|
if ((NT_SUCCESS(Status2)) && (InitialCommandBuffer[0]))
|
|
{
|
|
/* Put the debugger string with the Winlogon string */
|
|
wcscat(InitialCommandBuffer, L" ");
|
|
wcscat(InitialCommandBuffer, InitialCommand->Buffer);
|
|
RtlInitUnicodeString(InitialCommand, InitialCommandBuffer);
|
|
}
|
|
}
|
|
|
|
/* Finally check if there was a custom initial command */
|
|
NextEntry = SmpExecuteList.Flink;
|
|
while (NextEntry != &SmpExecuteList)
|
|
{
|
|
/* Execute each one */
|
|
RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
|
|
SmpExecuteCommand(&RegEntry->Name, *MuSessionId, NULL, 0);
|
|
NextEntry = NextEntry->Flink;
|
|
}
|
|
|
|
/* Return status */
|
|
return Status;
|
|
}
|