/* * COPYRIGHT: See COPYING in the top level directory * PROJECT: ReactOS Base API Server DLL * FILE: subsystems/win/basesrv/vdm.c * PURPOSE: Virtual DOS Machines (VDM) Support * PROGRAMMERS: Hermes Belusca-Maito (hermes.belusca@sfr.fr) * Aleksandar Andrejevic */ /* INCLUDES *******************************************************************/ #include "basesrv.h" #include "vdm.h" #define NDEBUG #include /* GLOBALS ********************************************************************/ BOOLEAN FirstVDM = TRUE; LIST_ENTRY VDMConsoleListHead; RTL_CRITICAL_SECTION DosCriticalSection; RTL_CRITICAL_SECTION WowCriticalSection; /* FUNCTIONS ******************************************************************/ NTSTATUS NTAPI BaseSrvGetConsoleRecord(HANDLE ConsoleHandle, PVDM_CONSOLE_RECORD *Record) { PLIST_ENTRY i; PVDM_CONSOLE_RECORD CurrentRecord = NULL; /* Search for a record that has the same console handle */ for (i = VDMConsoleListHead.Flink; i != &VDMConsoleListHead; i = i->Flink) { CurrentRecord = CONTAINING_RECORD(i, VDM_CONSOLE_RECORD, Entry); if (CurrentRecord->ConsoleHandle == ConsoleHandle) break; } *Record = CurrentRecord; return CurrentRecord ? STATUS_SUCCESS : STATUS_NOT_FOUND; } NTSTATUS NTAPI GetConsoleRecordBySessionId(ULONG TaskId, PVDM_CONSOLE_RECORD *Record) { PLIST_ENTRY i; PVDM_CONSOLE_RECORD CurrentRecord = NULL; /* Search for a record that has the same console handle */ for (i = VDMConsoleListHead.Flink; i != &VDMConsoleListHead; i = i->Flink) { CurrentRecord = CONTAINING_RECORD(i, VDM_CONSOLE_RECORD, Entry); if (CurrentRecord->SessionId == TaskId) break; } *Record = CurrentRecord; return CurrentRecord ? STATUS_SUCCESS : STATUS_NOT_FOUND; } ULONG NTAPI GetNextDosSesId(VOID) { ULONG SessionId; PLIST_ENTRY i; PVDM_CONSOLE_RECORD CurrentRecord = NULL; BOOLEAN Found; /* Search for an available session ID */ for (SessionId = 1; SessionId != 0; SessionId++) { Found = FALSE; /* Check if the ID is already in use */ for (i = VDMConsoleListHead.Flink; i != &VDMConsoleListHead; i = i->Flink) { CurrentRecord = CONTAINING_RECORD(i, VDM_CONSOLE_RECORD, Entry); if (CurrentRecord->SessionId == SessionId) Found = TRUE; } /* If not, we found one */ if (!Found) break; } ASSERT(SessionId != 0); /* Return the session ID */ return SessionId; } BOOLEAN NTAPI BaseSrvIsVdmAllowed(VOID) { NTSTATUS Status; BOOLEAN VdmAllowed = TRUE; HANDLE RootKey, KeyHandle; UNICODE_STRING KeyName, ValueName, MachineKeyName; OBJECT_ATTRIBUTES Attributes; UCHAR ValueBuffer[sizeof(KEY_VALUE_PARTIAL_INFORMATION) + sizeof(ULONG)]; PKEY_VALUE_PARTIAL_INFORMATION ValueInfo = (PKEY_VALUE_PARTIAL_INFORMATION)ValueBuffer; ULONG ActualSize; /* Initialize the unicode strings */ RtlInitUnicodeString(&MachineKeyName, L"\\Registry\\Machine"); RtlInitUnicodeString(&KeyName, VDM_POLICY_KEY_NAME); RtlInitUnicodeString(&ValueName, VDM_DISALLOWED_VALUE_NAME); InitializeObjectAttributes(&Attributes, &MachineKeyName, OBJ_CASE_INSENSITIVE, NULL, NULL); /* Open the local machine key */ Status = NtOpenKey(&RootKey, KEY_READ, &Attributes); if (!NT_SUCCESS(Status)) return FALSE; InitializeObjectAttributes(&Attributes, &KeyName, OBJ_CASE_INSENSITIVE, RootKey, NULL); /* Open the policy key in the local machine hive, if it exists */ if (NT_SUCCESS(NtOpenKey(&KeyHandle, KEY_READ, &Attributes))) { /* Read the value, if it's set */ if (NT_SUCCESS(NtQueryValueKey(KeyHandle, &ValueName, KeyValuePartialInformation, ValueInfo, sizeof(ValueBuffer), &ActualSize))) { if (*((PULONG)ValueInfo->Data)) { /* The VDM has been disabled in the registry */ VdmAllowed = FALSE; } } NtClose(KeyHandle); } /* Close the local machine key */ NtClose(RootKey); /* If it's disabled system-wide, there's no need to check the user key */ if (!VdmAllowed) return FALSE; /* Open the current user key of the client */ if (!CsrImpersonateClient(NULL)) return VdmAllowed; Status = RtlOpenCurrentUser(KEY_READ, &RootKey); CsrRevertToSelf(); /* If that fails, return the system-wide setting */ if (!NT_SUCCESS(Status)) return VdmAllowed; InitializeObjectAttributes(&Attributes, &KeyName, OBJ_CASE_INSENSITIVE, RootKey, NULL); /* Open the policy key in the current user hive, if it exists */ if (NT_SUCCESS(NtOpenKey(&KeyHandle, KEY_READ, &Attributes))) { /* Read the value, if it's set */ if (NT_SUCCESS(NtQueryValueKey(KeyHandle, &ValueName, KeyValuePartialInformation, ValueInfo, sizeof(ValueBuffer), &ActualSize))) { if (*((PULONG)ValueInfo->Data)) { /* The VDM has been disabled in the registry */ VdmAllowed = FALSE; } } NtClose(KeyHandle); } return VdmAllowed; } NTSTATUS NTAPI BaseSrvCreatePairWaitHandles(PHANDLE ServerEvent, PHANDLE ClientEvent) { NTSTATUS Status; /* Create the event */ Status = NtCreateEvent(ServerEvent, EVENT_ALL_ACCESS, NULL, NotificationEvent, FALSE); if (!NT_SUCCESS(Status)) return Status; /* Duplicate the event into the client process */ Status = NtDuplicateObject(NtCurrentProcess(), *ServerEvent, CsrGetClientThread()->Process->ProcessHandle, ClientEvent, 0, 0, DUPLICATE_SAME_ATTRIBUTES | DUPLICATE_SAME_ACCESS); if (!NT_SUCCESS(Status)) NtClose(*ServerEvent); return Status; } VOID NTAPI BaseSrvFreeVDMInfo(PVDM_COMMAND_INFO CommandInfo) { /* Free the allocated structure members */ if (CommandInfo->CmdLine != NULL) RtlFreeHeap(BaseSrvHeap, 0, CommandInfo->CmdLine); if (CommandInfo->AppName != NULL) RtlFreeHeap(BaseSrvHeap, 0, CommandInfo->AppName); if (CommandInfo->PifFile != NULL) RtlFreeHeap(BaseSrvHeap, 0, CommandInfo->PifFile); if (CommandInfo->CurDirectory != NULL) RtlFreeHeap(BaseSrvHeap, 0, CommandInfo->CurDirectory); if (CommandInfo->Env != NULL) RtlFreeHeap(BaseSrvHeap, 0, CommandInfo->Env); if (CommandInfo->Desktop != NULL) RtlFreeHeap(BaseSrvHeap, 0, CommandInfo->Desktop); if (CommandInfo->Title != NULL) RtlFreeHeap(BaseSrvHeap, 0, CommandInfo->Title); if (CommandInfo->Reserved != NULL) RtlFreeHeap(BaseSrvHeap, 0, CommandInfo->Reserved); /* Free the structure itself */ RtlFreeHeap(BaseSrvHeap, 0, CommandInfo); } VOID NTAPI BaseSrvCleanupVdmRecords(ULONG ProcessId) { PLIST_ENTRY i; PVDM_CONSOLE_RECORD ConsoleRecord = NULL; PVDM_DOS_RECORD DosRecord; /* Enter the critical section */ RtlEnterCriticalSection(&DosCriticalSection); /* Search for a record that has the same process handle */ for (i = VDMConsoleListHead.Flink; i != &VDMConsoleListHead; i = i->Flink) { ConsoleRecord = CONTAINING_RECORD(i, VDM_CONSOLE_RECORD, Entry); if (ConsoleRecord->ProcessId == ProcessId) { /* Cleanup the DOS records */ while (ConsoleRecord->DosListHead.Flink != &ConsoleRecord->DosListHead) { DosRecord = CONTAINING_RECORD(ConsoleRecord->DosListHead.Flink, VDM_DOS_RECORD, Entry); /* Set the event and close it */ NtSetEvent(DosRecord->ServerEvent, NULL); NtClose(DosRecord->ServerEvent); /* Remove the DOS entry */ if (DosRecord->CommandInfo) BaseSrvFreeVDMInfo(DosRecord->CommandInfo); RemoveEntryList(&DosRecord->Entry); RtlFreeHeap(BaseSrvHeap, 0, DosRecord); } if (ConsoleRecord->CurrentDirs != NULL) { /* Free the current directories */ RtlFreeHeap(BaseSrvHeap, 0, ConsoleRecord->CurrentDirs); ConsoleRecord->CurrentDirs = NULL; ConsoleRecord->CurDirsLength = 0; } /* Close the event handle */ if (ConsoleRecord->ServerEvent) NtClose(ConsoleRecord->ServerEvent); /* Remove the console record */ i = i->Blink; RemoveEntryList(&ConsoleRecord->Entry); RtlFreeHeap(BaseSrvHeap, 0, ConsoleRecord); } } /* Leave the critical section */ RtlLeaveCriticalSection(&DosCriticalSection); } BOOLEAN NTAPI BaseSrvCopyCommand(PBASE_CHECK_VDM CheckVdmRequest, PVDM_DOS_RECORD DosRecord) { BOOLEAN Success = FALSE; PVDM_COMMAND_INFO CommandInfo = NULL; /* Allocate the command information structure */ CommandInfo = (PVDM_COMMAND_INFO)RtlAllocateHeap(BaseSrvHeap, HEAP_ZERO_MEMORY, sizeof(VDM_COMMAND_INFO)); if (CommandInfo == NULL) return FALSE; /* Fill the structure */ CommandInfo->TaskId = CheckVdmRequest->iTask; CommandInfo->ExitCode = DosRecord->ExitCode; CommandInfo->CodePage = CheckVdmRequest->CodePage; CommandInfo->StdIn = CheckVdmRequest->StdIn; CommandInfo->StdOut = CheckVdmRequest->StdOut; CommandInfo->StdErr = CheckVdmRequest->StdErr; /* Allocate memory for the command line */ CommandInfo->CmdLine = RtlAllocateHeap(BaseSrvHeap, HEAP_ZERO_MEMORY, CheckVdmRequest->CmdLen); if (CommandInfo->CmdLine == NULL) goto Cleanup; /* Copy the command line */ RtlMoveMemory(CommandInfo->CmdLine, CheckVdmRequest->CmdLine, CheckVdmRequest->CmdLen); /* Allocate memory for the application name */ CommandInfo->AppName = RtlAllocateHeap(BaseSrvHeap, HEAP_ZERO_MEMORY, CheckVdmRequest->AppLen); if (CommandInfo->AppName == NULL) goto Cleanup; /* Copy the application name */ RtlMoveMemory(CommandInfo->AppName, CheckVdmRequest->AppName, CheckVdmRequest->AppLen); /* Allocate memory for the PIF file name */ if (CheckVdmRequest->PifLen != 0) { CommandInfo->PifFile = RtlAllocateHeap(BaseSrvHeap, HEAP_ZERO_MEMORY, CheckVdmRequest->PifLen); if (CommandInfo->PifFile == NULL) goto Cleanup; /* Copy the PIF file name */ RtlMoveMemory(CommandInfo->PifFile, CheckVdmRequest->PifFile, CheckVdmRequest->PifLen); } else CommandInfo->PifFile = NULL; /* Allocate memory for the current directory */ if (CheckVdmRequest->CurDirectoryLen != 0) { CommandInfo->CurDirectory = RtlAllocateHeap(BaseSrvHeap, HEAP_ZERO_MEMORY, CheckVdmRequest->CurDirectoryLen); if (CommandInfo->CurDirectory == NULL) goto Cleanup; /* Copy the current directory */ RtlMoveMemory(CommandInfo->CurDirectory, CheckVdmRequest->CurDirectory, CheckVdmRequest->CurDirectoryLen); } else CommandInfo->CurDirectory = NULL; /* Allocate memory for the environment block */ CommandInfo->Env = RtlAllocateHeap(BaseSrvHeap, HEAP_ZERO_MEMORY, CheckVdmRequest->EnvLen); if (CommandInfo->Env == NULL) goto Cleanup; /* Copy the environment block */ RtlMoveMemory(CommandInfo->Env, CheckVdmRequest->Env, CheckVdmRequest->EnvLen); CommandInfo->EnvLen = CheckVdmRequest->EnvLen; RtlMoveMemory(&CommandInfo->StartupInfo, CheckVdmRequest->StartupInfo, sizeof(STARTUPINFOA)); /* Allocate memory for the desktop */ if (CheckVdmRequest->DesktopLen != 0) { CommandInfo->Desktop = RtlAllocateHeap(BaseSrvHeap, HEAP_ZERO_MEMORY, CheckVdmRequest->DesktopLen); if (CommandInfo->Desktop == NULL) goto Cleanup; /* Copy the desktop name */ RtlMoveMemory(CommandInfo->Desktop, CheckVdmRequest->Desktop, CheckVdmRequest->DesktopLen); } else CommandInfo->Desktop = NULL; CommandInfo->DesktopLen = CheckVdmRequest->DesktopLen; /* Allocate memory for the title */ if (CheckVdmRequest->TitleLen != 0) { CommandInfo->Title = RtlAllocateHeap(BaseSrvHeap, HEAP_ZERO_MEMORY, CheckVdmRequest->TitleLen); if (CommandInfo->Title == NULL) goto Cleanup; /* Copy the title */ RtlMoveMemory(CommandInfo->Title, CheckVdmRequest->Title, CheckVdmRequest->TitleLen); } else CommandInfo->Title = NULL; CommandInfo->TitleLen = CheckVdmRequest->TitleLen; /* Allocate memory for the reserved field */ if (CheckVdmRequest->ReservedLen != 0) { CommandInfo->Reserved = RtlAllocateHeap(BaseSrvHeap, HEAP_ZERO_MEMORY, CheckVdmRequest->ReservedLen); if (CommandInfo->Reserved == NULL) goto Cleanup; /* Copy the reserved field */ RtlMoveMemory(CommandInfo->Reserved, CheckVdmRequest->Reserved, CheckVdmRequest->ReservedLen); } else CommandInfo->Reserved = NULL; CommandInfo->ReservedLen = CheckVdmRequest->ReservedLen; CommandInfo->CmdLen = CheckVdmRequest->CmdLen; CommandInfo->AppLen = CheckVdmRequest->AppLen; CommandInfo->PifLen = CheckVdmRequest->PifLen; CommandInfo->CurDirectoryLen = CheckVdmRequest->CurDirectoryLen; CommandInfo->VDMState = DosRecord->State; // TODO: Set CommandInfo->CurrentDrive // TODO: Set CommandInfo->ComingFromBat /* Set the DOS record's command structure */ DosRecord->CommandInfo = CommandInfo; /* The operation was successful */ Success = TRUE; Cleanup: /* If it wasn't successful, free the memory */ if (!Success) BaseSrvFreeVDMInfo(CommandInfo); return Success; } NTSTATUS NTAPI BaseSrvFillCommandInfo(PVDM_COMMAND_INFO CommandInfo, PBASE_GET_NEXT_VDM_COMMAND Message) { /* Copy the data */ Message->iTask = CommandInfo->TaskId; Message->StdIn = CommandInfo->StdIn; Message->StdOut = CommandInfo->StdOut; Message->StdErr = CommandInfo->StdErr; Message->CodePage = CommandInfo->CodePage; Message->dwCreationFlags = CommandInfo->CreationFlags; Message->ExitCode = CommandInfo->ExitCode; Message->CurrentDrive = CommandInfo->CurrentDrive; Message->VDMState = CommandInfo->VDMState; Message->fComingFromBat = CommandInfo->ComingFromBat; if (CommandInfo->CmdLen && Message->CmdLen) { if (Message->CmdLen < CommandInfo->CmdLen) return STATUS_BUFFER_TOO_SMALL; /* Copy the command line */ RtlMoveMemory(Message->CmdLine, CommandInfo->CmdLine, CommandInfo->CmdLen); Message->CmdLen = CommandInfo->CmdLen; } if (CommandInfo->AppLen && Message->AppLen) { if (Message->AppLen < CommandInfo->CmdLen) return STATUS_BUFFER_TOO_SMALL; /* Copy the application name */ RtlMoveMemory(Message->AppName, CommandInfo->AppName, CommandInfo->AppLen); Message->AppLen = CommandInfo->AppLen; } if (CommandInfo->PifLen && Message->PifLen) { if (Message->PifLen < CommandInfo->PifLen) return STATUS_BUFFER_TOO_SMALL; /* Copy the PIF file name */ RtlMoveMemory(Message->PifFile, CommandInfo->PifFile, CommandInfo->PifLen); Message->PifLen = CommandInfo->PifLen; } if (CommandInfo->CurDirectoryLen && Message->CurDirectoryLen) { if (Message->CurDirectoryLen < CommandInfo->CurDirectoryLen) return STATUS_BUFFER_TOO_SMALL; /* Copy the current directory */ RtlMoveMemory(Message->CurDirectory, CommandInfo->CurDirectory, CommandInfo->CurDirectoryLen); Message->CurDirectoryLen = CommandInfo->CurDirectoryLen; } if (CommandInfo->EnvLen && Message->EnvLen) { if (Message->EnvLen < CommandInfo->EnvLen) return STATUS_BUFFER_TOO_SMALL; /* Copy the environment */ RtlMoveMemory(Message->Env, CommandInfo->Env, CommandInfo->EnvLen); Message->EnvLen = CommandInfo->EnvLen; } /* Copy the startup info */ RtlMoveMemory(Message->StartupInfo, &CommandInfo->StartupInfo, sizeof(STARTUPINFOA)); if (CommandInfo->DesktopLen && Message->DesktopLen) { if (Message->DesktopLen < CommandInfo->DesktopLen) return STATUS_BUFFER_TOO_SMALL; /* Copy the desktop name */ RtlMoveMemory(Message->Desktop, CommandInfo->Desktop, CommandInfo->DesktopLen); Message->DesktopLen = CommandInfo->DesktopLen; } if (CommandInfo->TitleLen && Message->TitleLen) { if (Message->TitleLen < CommandInfo->TitleLen) return STATUS_BUFFER_TOO_SMALL; /* Copy the title */ RtlMoveMemory(Message->Title, CommandInfo->Title, CommandInfo->TitleLen); Message->TitleLen = CommandInfo->TitleLen; } if (CommandInfo->ReservedLen && Message->ReservedLen) { if (Message->ReservedLen < CommandInfo->ReservedLen) return STATUS_BUFFER_TOO_SMALL; /* Copy the reserved parameter */ RtlMoveMemory(Message->Reserved, CommandInfo->Reserved, CommandInfo->ReservedLen); Message->ReservedLen = CommandInfo->ReservedLen; } return STATUS_SUCCESS; } VOID NTAPI BaseInitializeVDM(VOID) { /* Initialize the list head */ InitializeListHead(&VDMConsoleListHead); /* Initialize the critical section */ RtlInitializeCriticalSection(&DosCriticalSection); RtlInitializeCriticalSection(&WowCriticalSection); } /* PUBLIC SERVER APIS *********************************************************/ CSR_API(BaseSrvCheckVDM) { NTSTATUS Status; PBASE_CHECK_VDM CheckVdmRequest = &((PBASE_API_MESSAGE)ApiMessage)->Data.CheckVDMRequest; PRTL_CRITICAL_SECTION CriticalSection = NULL; PVDM_CONSOLE_RECORD ConsoleRecord = NULL; PVDM_DOS_RECORD DosRecord = NULL; BOOLEAN NewConsoleRecord = FALSE; /* Don't do anything if the VDM has been disabled in the registry */ if (!BaseSrvIsVdmAllowed()) return STATUS_ACCESS_DENIED; /* Validate the message buffers */ if (!CsrValidateMessageBuffer(ApiMessage, (PVOID*)&CheckVdmRequest->CmdLine, CheckVdmRequest->CmdLen, sizeof(*CheckVdmRequest->CmdLine)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&CheckVdmRequest->AppName, CheckVdmRequest->AppLen, sizeof(*CheckVdmRequest->AppName)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&CheckVdmRequest->PifFile, CheckVdmRequest->PifLen, sizeof(*CheckVdmRequest->PifFile)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&CheckVdmRequest->CurDirectory, CheckVdmRequest->CurDirectoryLen, sizeof(*CheckVdmRequest->CurDirectory)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&CheckVdmRequest->Desktop, CheckVdmRequest->DesktopLen, sizeof(*CheckVdmRequest->Desktop)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&CheckVdmRequest->Title, CheckVdmRequest->TitleLen, sizeof(*CheckVdmRequest->Title)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&CheckVdmRequest->Reserved, CheckVdmRequest->ReservedLen, sizeof(*CheckVdmRequest->Reserved))) { return STATUS_INVALID_PARAMETER; } CriticalSection = (CheckVdmRequest->BinaryType != BINARY_TYPE_SEPARATE_WOW) ? &DosCriticalSection : &WowCriticalSection; /* Enter the critical section */ RtlEnterCriticalSection(CriticalSection); /* Check if this is a DOS or WOW VDM */ if (CheckVdmRequest->BinaryType != BINARY_TYPE_SEPARATE_WOW) { /* Get the console record */ Status = BaseSrvGetConsoleRecord(CheckVdmRequest->ConsoleHandle, &ConsoleRecord); if (!NT_SUCCESS(Status)) { /* Allocate a new console record */ ConsoleRecord = (PVDM_CONSOLE_RECORD)RtlAllocateHeap(BaseSrvHeap, HEAP_ZERO_MEMORY, sizeof(VDM_CONSOLE_RECORD)); if (ConsoleRecord == NULL) { Status = STATUS_NO_MEMORY; goto Cleanup; } /* Remember that the console record was allocated here */ NewConsoleRecord = TRUE; /* Initialize the console record */ ConsoleRecord->ConsoleHandle = CheckVdmRequest->ConsoleHandle; ConsoleRecord->ProcessHandle = CsrGetClientThread()->Process->ProcessHandle; ConsoleRecord->ServerEvent = ConsoleRecord->ClientEvent = NULL; ConsoleRecord->ReenterCount = 0; ConsoleRecord->CurrentDirs = NULL; ConsoleRecord->CurDirsLength = 0; ConsoleRecord->SessionId = GetNextDosSesId(); InitializeListHead(&ConsoleRecord->DosListHead); } /* Allocate a new DOS record */ DosRecord = (PVDM_DOS_RECORD)RtlAllocateHeap(BaseSrvHeap, HEAP_ZERO_MEMORY, sizeof(VDM_DOS_RECORD)); if (DosRecord == NULL) { Status = STATUS_NO_MEMORY; goto Cleanup; } /* Initialize the DOS record */ DosRecord->State = VDM_NOT_LOADED; DosRecord->ExitCode = 0; Status = BaseSrvCreatePairWaitHandles(&DosRecord->ServerEvent, &DosRecord->ClientEvent); if (!NT_SUCCESS(Status)) goto Cleanup; /* Return the client event handle */ CheckVdmRequest->WaitObjectForParent = DosRecord->ClientEvent; /* Translate the input structure into a VDM command structure and set it in the DOS record */ if (!BaseSrvCopyCommand(CheckVdmRequest, DosRecord)) { /* The only possibility is that an allocation failure occurred */ Status = STATUS_NO_MEMORY; goto Cleanup; } /* Add the DOS record */ InsertHeadList(&ConsoleRecord->DosListHead, &DosRecord->Entry); if (ConsoleRecord->ServerEvent) { /* Signal the session event */ NtSetEvent(ConsoleRecord->ServerEvent, NULL); } if (NewConsoleRecord) { /* Add the console record */ InsertTailList(&VDMConsoleListHead, &ConsoleRecord->Entry); } CheckVdmRequest->VDMState = NewConsoleRecord ? VDM_NOT_LOADED : VDM_READY; Status = STATUS_SUCCESS; } else { // TODO: NOT IMPLEMENTED UNIMPLEMENTED; Status = STATUS_NOT_IMPLEMENTED; } Cleanup: /* Check if it failed */ if (!NT_SUCCESS(Status)) { /* Free the DOS record */ if (DosRecord != NULL) { if (DosRecord->ServerEvent) NtClose(DosRecord->ServerEvent); if (DosRecord->ClientEvent) { /* Close the remote handle */ NtDuplicateObject(CsrGetClientThread()->Process->ProcessHandle, DosRecord->ClientEvent, NULL, NULL, 0, 0, DUPLICATE_CLOSE_SOURCE); } RtlFreeHeap(BaseSrvHeap, 0, DosRecord); DosRecord = NULL; } /* Free the console record if it was allocated here */ if (NewConsoleRecord) { RtlFreeHeap(BaseSrvHeap, 0, ConsoleRecord); ConsoleRecord = NULL; } } /* Leave the critical section */ RtlLeaveCriticalSection(CriticalSection); return Status; } CSR_API(BaseSrvUpdateVDMEntry) { NTSTATUS Status; PBASE_UPDATE_VDM_ENTRY UpdateVdmEntryRequest = &((PBASE_API_MESSAGE)ApiMessage)->Data.UpdateVDMEntryRequest; PRTL_CRITICAL_SECTION CriticalSection = NULL; PVDM_CONSOLE_RECORD ConsoleRecord = NULL; PVDM_DOS_RECORD DosRecord = NULL; CriticalSection = (UpdateVdmEntryRequest->BinaryType != BINARY_TYPE_SEPARATE_WOW) ? &DosCriticalSection : &WowCriticalSection; /* Enter the critical section */ RtlEnterCriticalSection(CriticalSection); /* Check if this is a DOS or WOW VDM */ if (UpdateVdmEntryRequest->BinaryType != BINARY_TYPE_SEPARATE_WOW) { if (UpdateVdmEntryRequest->iTask != 0) { /* Get the console record using the task ID */ Status = GetConsoleRecordBySessionId(UpdateVdmEntryRequest->iTask, &ConsoleRecord); } else { /* Get the console record using the console handle */ Status = BaseSrvGetConsoleRecord(UpdateVdmEntryRequest->ConsoleHandle, &ConsoleRecord); } if (!NT_SUCCESS(Status)) goto Cleanup; /* Get the primary DOS record */ DosRecord = (PVDM_DOS_RECORD)CONTAINING_RECORD(ConsoleRecord->DosListHead.Flink, VDM_DOS_RECORD, Entry); switch (UpdateVdmEntryRequest->EntryIndex) { case VdmEntryUndo: { /* Close the server event handle, the client will close the client handle */ NtClose(DosRecord->ServerEvent); DosRecord->ServerEvent = DosRecord->ClientEvent = NULL; if (UpdateVdmEntryRequest->VDMCreationState & (VDM_UNDO_PARTIAL | VDM_UNDO_FULL)) { /* Remove the DOS record */ if (DosRecord->CommandInfo) BaseSrvFreeVDMInfo(DosRecord->CommandInfo); RemoveEntryList(&DosRecord->Entry); RtlFreeHeap(BaseSrvHeap, 0, DosRecord); /* * Since this is an undo, if that was the only DOS record the VDM * won't even start, so the console record should be removed too. */ if (ConsoleRecord->DosListHead.Flink == &ConsoleRecord->DosListHead) { if (ConsoleRecord->ServerEvent) NtClose(ConsoleRecord->ServerEvent); RemoveEntryList(&ConsoleRecord->Entry); RtlFreeHeap(BaseSrvHeap, 0, ConsoleRecord); } } /* It was successful */ Status = STATUS_SUCCESS; break; } case VdmEntryUpdateProcess: { /* Duplicate the VDM process handle */ Status = NtDuplicateObject(CsrGetClientThread()->Process->ProcessHandle, UpdateVdmEntryRequest->VDMProcessHandle, NtCurrentProcess(), &ConsoleRecord->ProcessHandle, 0, 0, DUPLICATE_SAME_ATTRIBUTES | DUPLICATE_SAME_ACCESS); if (!NT_SUCCESS(Status)) goto Cleanup; /* Create a pair of handles to one event object */ Status = BaseSrvCreatePairWaitHandles(&DosRecord->ServerEvent, &DosRecord->ClientEvent); if (!NT_SUCCESS(Status)) goto Cleanup; /* Return the client event handle */ UpdateVdmEntryRequest->WaitObjectForParent = DosRecord->ClientEvent; break; } case VdmEntryUpdateControlCHandler: { // TODO: NOT IMPLEMENTED DPRINT1("BaseSrvUpdateVDMEntry: VdmEntryUpdateControlCHandler not implemented!"); Status = STATUS_NOT_IMPLEMENTED; break; } default: { /* Invalid */ Status = STATUS_INVALID_PARAMETER; } } } else { // TODO: NOT IMPLEMENTED UNIMPLEMENTED; Status = STATUS_NOT_IMPLEMENTED; } Cleanup: /* Leave the critical section */ RtlLeaveCriticalSection(CriticalSection); return Status; } CSR_API(BaseSrvGetNextVDMCommand) { NTSTATUS Status; PBASE_GET_NEXT_VDM_COMMAND GetNextVdmCommandRequest = &((PBASE_API_MESSAGE)ApiMessage)->Data.GetNextVDMCommandRequest; PRTL_CRITICAL_SECTION CriticalSection; PLIST_ENTRY i = NULL; PVDM_CONSOLE_RECORD ConsoleRecord = NULL; PVDM_DOS_RECORD DosRecord = NULL; /* Validate the message buffers */ if (!CsrValidateMessageBuffer(ApiMessage, (PVOID*)&GetNextVdmCommandRequest->CmdLine, GetNextVdmCommandRequest->CmdLen, sizeof(*GetNextVdmCommandRequest->CmdLine)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&GetNextVdmCommandRequest->AppName, GetNextVdmCommandRequest->AppLen, sizeof(*GetNextVdmCommandRequest->AppName)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&GetNextVdmCommandRequest->PifFile, GetNextVdmCommandRequest->PifLen, sizeof(*GetNextVdmCommandRequest->PifFile)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&GetNextVdmCommandRequest->CurDirectory, GetNextVdmCommandRequest->CurDirectoryLen, sizeof(*GetNextVdmCommandRequest->CurDirectory)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&GetNextVdmCommandRequest->Env, GetNextVdmCommandRequest->EnvLen, sizeof(*GetNextVdmCommandRequest->Env)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&GetNextVdmCommandRequest->Desktop, GetNextVdmCommandRequest->DesktopLen, sizeof(*GetNextVdmCommandRequest->Desktop)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&GetNextVdmCommandRequest->Title, GetNextVdmCommandRequest->TitleLen, sizeof(*GetNextVdmCommandRequest->Title)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&GetNextVdmCommandRequest->Reserved, GetNextVdmCommandRequest->ReservedLen, sizeof(*GetNextVdmCommandRequest->Reserved)) || !CsrValidateMessageBuffer(ApiMessage, (PVOID*)&GetNextVdmCommandRequest->StartupInfo, 1, sizeof(STARTUPINFOA))) { return STATUS_INVALID_PARAMETER; } CriticalSection = (GetNextVdmCommandRequest->VDMState & VDM_FLAG_WOW) ? &WowCriticalSection : &DosCriticalSection; /* Enter the critical section */ RtlEnterCriticalSection(CriticalSection); if (!(GetNextVdmCommandRequest->VDMState & VDM_FLAG_WOW)) { if (GetNextVdmCommandRequest->iTask != 0) { /* Get the console record using the task ID */ Status = GetConsoleRecordBySessionId(GetNextVdmCommandRequest->iTask, &ConsoleRecord); } else { /* Get the console record using the console handle */ Status = BaseSrvGetConsoleRecord(GetNextVdmCommandRequest->ConsoleHandle, &ConsoleRecord); } /* Return the session ID */ GetNextVdmCommandRequest->iTask = ConsoleRecord->SessionId; GetNextVdmCommandRequest->WaitObjectForVDM = NULL; if (!(GetNextVdmCommandRequest->VDMState & VDM_NOT_READY)) { for (i = ConsoleRecord->DosListHead.Flink; i != &ConsoleRecord->DosListHead; i = i->Flink) { DosRecord = CONTAINING_RECORD(i, VDM_DOS_RECORD, Entry); if (DosRecord->State == VDM_NOT_READY) { /* If NTVDM is asking for a new command, it means these are done */ DosRecord->State = VDM_READY; NtSetEvent(DosRecord->ServerEvent, NULL); NtClose(DosRecord->ServerEvent); DosRecord->ServerEvent = NULL; } } } /* Search for a DOS record that isn't loaded yet */ for (i = ConsoleRecord->DosListHead.Flink; i != &ConsoleRecord->DosListHead; i = i->Flink) { DosRecord = CONTAINING_RECORD(i, VDM_DOS_RECORD, Entry); if (DosRecord->State == VDM_NOT_LOADED) break; } if (i != &ConsoleRecord->DosListHead) { /* Fill the command information */ Status = BaseSrvFillCommandInfo(DosRecord->CommandInfo, GetNextVdmCommandRequest); if (!NT_SUCCESS(Status)) goto Cleanup; /* Free the command information, it's no longer needed */ BaseSrvFreeVDMInfo(DosRecord->CommandInfo); DosRecord->CommandInfo = NULL; /* Update the VDM state */ DosRecord->State = VDM_NOT_READY; Status = STATUS_SUCCESS; goto Cleanup; } } else { // TODO: WOW SUPPORT NOT IMPLEMENTED Status = STATUS_NOT_IMPLEMENTED; goto Cleanup; } /* There is no command yet */ if (ConsoleRecord->ServerEvent) { /* Reset the event */ NtResetEvent(ConsoleRecord->ServerEvent, NULL); } else { /* Create a pair of wait handles */ Status = BaseSrvCreatePairWaitHandles(&ConsoleRecord->ServerEvent, &ConsoleRecord->ClientEvent); if (!NT_SUCCESS(Status)) goto Cleanup; } /* Return the client event handle */ GetNextVdmCommandRequest->WaitObjectForVDM = ConsoleRecord->ClientEvent; Cleanup: /* Leave the critical section */ RtlLeaveCriticalSection(CriticalSection); return Status; } CSR_API(BaseSrvExitVDM) { NTSTATUS Status; PBASE_EXIT_VDM ExitVdmRequest = &((PBASE_API_MESSAGE)ApiMessage)->Data.ExitVDMRequest; PRTL_CRITICAL_SECTION CriticalSection = NULL; PVDM_CONSOLE_RECORD ConsoleRecord = NULL; PVDM_DOS_RECORD DosRecord; CriticalSection = (ExitVdmRequest->iWowTask == 0) ? &DosCriticalSection : &WowCriticalSection; /* Enter the critical section */ RtlEnterCriticalSection(CriticalSection); if (ExitVdmRequest->iWowTask == 0) { /* Get the console record */ Status = BaseSrvGetConsoleRecord(ExitVdmRequest->ConsoleHandle, &ConsoleRecord); if (!NT_SUCCESS(Status)) goto Cleanup; /* Cleanup the DOS records */ while (ConsoleRecord->DosListHead.Flink != &ConsoleRecord->DosListHead) { DosRecord = CONTAINING_RECORD(ConsoleRecord->DosListHead.Flink, VDM_DOS_RECORD, Entry); /* Set the event and close it */ NtSetEvent(DosRecord->ServerEvent, NULL); NtClose(DosRecord->ServerEvent); /* Remove the DOS entry */ if (DosRecord->CommandInfo) BaseSrvFreeVDMInfo(DosRecord->CommandInfo); RemoveEntryList(&DosRecord->Entry); RtlFreeHeap(BaseSrvHeap, 0, DosRecord); } if (ConsoleRecord->CurrentDirs != NULL) { /* Free the current directories */ RtlFreeHeap(BaseSrvHeap, 0, ConsoleRecord->CurrentDirs); ConsoleRecord->CurrentDirs = NULL; ConsoleRecord->CurDirsLength = 0; } /* Close the event handle */ if (ConsoleRecord->ServerEvent) NtClose(ConsoleRecord->ServerEvent); /* Remove the console record */ RemoveEntryList(&ConsoleRecord->Entry); RtlFreeHeap(BaseSrvHeap, 0, ConsoleRecord); } else { // TODO: NOT IMPLEMENTED UNIMPLEMENTED; Status = STATUS_NOT_IMPLEMENTED; } Cleanup: /* Leave the critical section */ RtlLeaveCriticalSection(CriticalSection); return Status; } CSR_API(BaseSrvIsFirstVDM) { PBASE_IS_FIRST_VDM IsFirstVDMRequest = &((PBASE_API_MESSAGE)ApiMessage)->Data.IsFirstVDMRequest; /* Return the result */ IsFirstVDMRequest->FirstVDM = FirstVDM; /* Clear the first VDM flag */ FirstVDM = FALSE; return STATUS_SUCCESS; } CSR_API(BaseSrvGetVDMExitCode) { NTSTATUS Status; PBASE_GET_VDM_EXIT_CODE GetVDMExitCodeRequest = &((PBASE_API_MESSAGE)ApiMessage)->Data.GetVDMExitCodeRequest; PLIST_ENTRY i = NULL; PVDM_CONSOLE_RECORD ConsoleRecord = NULL; PVDM_DOS_RECORD DosRecord = NULL; /* Enter the critical section */ RtlEnterCriticalSection(&DosCriticalSection); /* Get the console record */ Status = BaseSrvGetConsoleRecord(GetVDMExitCodeRequest->ConsoleHandle, &ConsoleRecord); if (!NT_SUCCESS(Status)) goto Cleanup; /* Search for a DOS record that has the same parent process handle */ for (i = ConsoleRecord->DosListHead.Flink; i != &ConsoleRecord->DosListHead; i = i->Flink) { DosRecord = CONTAINING_RECORD(i, VDM_DOS_RECORD, Entry); if (DosRecord->ClientEvent == GetVDMExitCodeRequest->hParent) break; } /* Check if no DOS record was found */ if (i == &ConsoleRecord->DosListHead) { Status = STATUS_NOT_FOUND; goto Cleanup; } /* Check if this task is still running */ if (DosRecord->State == VDM_READY) { GetVDMExitCodeRequest->ExitCode = STATUS_PENDING; goto Cleanup; } /* Return the exit code */ GetVDMExitCodeRequest->ExitCode = DosRecord->ExitCode; /* Since this is a zombie task record, remove it */ if (DosRecord->CommandInfo) BaseSrvFreeVDMInfo(DosRecord->CommandInfo); RemoveEntryList(&DosRecord->Entry); RtlFreeHeap(BaseSrvHeap, 0, DosRecord); Cleanup: /* Leave the critical section */ RtlLeaveCriticalSection(&DosCriticalSection); return Status; } CSR_API(BaseSrvSetReenterCount) { NTSTATUS Status = STATUS_SUCCESS; PBASE_SET_REENTER_COUNT SetReenterCountRequest = &((PBASE_API_MESSAGE)ApiMessage)->Data.SetReenterCountRequest; PVDM_CONSOLE_RECORD ConsoleRecord; /* Enter the critical section */ RtlEnterCriticalSection(&DosCriticalSection); /* Get the console record */ Status = BaseSrvGetConsoleRecord(SetReenterCountRequest->ConsoleHandle, &ConsoleRecord); if (!NT_SUCCESS(Status)) goto Cleanup; if (SetReenterCountRequest->fIncDec == VDM_INC_REENTER_COUNT) ConsoleRecord->ReenterCount++; else if (SetReenterCountRequest->fIncDec == VDM_DEC_REENTER_COUNT) { ConsoleRecord->ReenterCount--; if (ConsoleRecord->ServerEvent != NULL) NtSetEvent(ConsoleRecord->ServerEvent, NULL); } else Status = STATUS_INVALID_PARAMETER; Cleanup: /* Leave the critical section */ RtlLeaveCriticalSection(&DosCriticalSection); return Status; } CSR_API(BaseSrvSetVDMCurDirs) { NTSTATUS Status; PBASE_GETSET_VDM_CURDIRS VDMCurrentDirsRequest = &((PBASE_API_MESSAGE)ApiMessage)->Data.VDMCurrentDirsRequest; PVDM_CONSOLE_RECORD ConsoleRecord; PCHAR Buffer = NULL; /* Validate the input buffer */ if (!CsrValidateMessageBuffer(ApiMessage, (PVOID*)&VDMCurrentDirsRequest->lpszzCurDirs, VDMCurrentDirsRequest->cchCurDirs, sizeof(*VDMCurrentDirsRequest->lpszzCurDirs))) { return STATUS_INVALID_PARAMETER; } /* Enter the critical section */ RtlEnterCriticalSection(&DosCriticalSection); /* Find the console record */ Status = BaseSrvGetConsoleRecord(VDMCurrentDirsRequest->ConsoleHandle, &ConsoleRecord); if (!NT_SUCCESS(Status)) goto Cleanup; if (ConsoleRecord->CurrentDirs == NULL) { /* Allocate memory for the current directory information */ Buffer = RtlAllocateHeap(BaseSrvHeap, HEAP_ZERO_MEMORY, VDMCurrentDirsRequest->cchCurDirs); } else { /* Resize the amount of allocated memory */ Buffer = RtlReAllocateHeap(BaseSrvHeap, HEAP_ZERO_MEMORY, ConsoleRecord->CurrentDirs, VDMCurrentDirsRequest->cchCurDirs); } if (Buffer == NULL) { /* Allocation failed */ Status = STATUS_NO_MEMORY; goto Cleanup; } /* Update the console record */ ConsoleRecord->CurrentDirs = Buffer; ConsoleRecord->CurDirsLength = VDMCurrentDirsRequest->cchCurDirs; /* Copy the data */ RtlMoveMemory(ConsoleRecord->CurrentDirs, VDMCurrentDirsRequest->lpszzCurDirs, VDMCurrentDirsRequest->cchCurDirs); Cleanup: /* Leave the critical section */ RtlLeaveCriticalSection(&DosCriticalSection); return Status; } CSR_API(BaseSrvGetVDMCurDirs) { NTSTATUS Status; PBASE_GETSET_VDM_CURDIRS VDMCurrentDirsRequest = &((PBASE_API_MESSAGE)ApiMessage)->Data.VDMCurrentDirsRequest; PVDM_CONSOLE_RECORD ConsoleRecord; /* Validate the output buffer */ if (!CsrValidateMessageBuffer(ApiMessage, (PVOID*)&VDMCurrentDirsRequest->lpszzCurDirs, VDMCurrentDirsRequest->cchCurDirs, sizeof(*VDMCurrentDirsRequest->lpszzCurDirs))) { return STATUS_INVALID_PARAMETER; } /* Enter the critical section */ RtlEnterCriticalSection(&DosCriticalSection); /* Find the console record */ Status = BaseSrvGetConsoleRecord(VDMCurrentDirsRequest->ConsoleHandle, &ConsoleRecord); if (!NT_SUCCESS(Status)) goto Cleanup; /* Return the actual size of the current directory information */ VDMCurrentDirsRequest->cchCurDirs = ConsoleRecord->CurDirsLength; /* Check if the buffer is large enough */ if (VDMCurrentDirsRequest->cchCurDirs < ConsoleRecord->CurDirsLength) { Status = STATUS_BUFFER_TOO_SMALL; goto Cleanup; } /* Copy the data */ RtlMoveMemory(VDMCurrentDirsRequest->lpszzCurDirs, ConsoleRecord->CurrentDirs, ConsoleRecord->CurDirsLength); Cleanup: /* Leave the critical section */ RtlLeaveCriticalSection(&DosCriticalSection); return Status; } CSR_API(BaseSrvBatNotification) { DPRINT1("%s not yet implemented\n", __FUNCTION__); return STATUS_NOT_IMPLEMENTED; } CSR_API(BaseSrvRegisterWowExec) { DPRINT1("%s not yet implemented\n", __FUNCTION__); return STATUS_NOT_IMPLEMENTED; } CSR_API(BaseSrvRefreshIniFileMapping) { DPRINT1("%s not yet implemented\n", __FUNCTION__); return STATUS_NOT_IMPLEMENTED; } /* EOF */