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windows-nt/Source/XPSP1/NT/base/remoteboot/imirror/imirror.c

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2020-09-26 03:20:57 -05:00
/*++
Copyright (c) 1998 Microsoft Corporation
Module Name:
imirror.c
Abstract:
This is the file for the IntelliMirror conversion DLL basic To Do item processing.
Author:
Sean Selitrennikoff - 4/5/98
Revision History:
--*/
#include "precomp.h"
#pragma hdrstop
//
// Global variables
//
LIST_ENTRY GlobalToDoList;
IMIRROR_CALLBACK Callbacks;
BYTE TmpBuffer[TMP_BUFFER_SIZE];
BYTE TmpBuffer2[TMP_BUFFER_SIZE];
BYTE TmpBuffer3[TMP_BUFFER_SIZE];
HANDLE ghInst;
BOOL fInitedFromRegistry;
BOOL fCallbackPreviouslySet = FALSE;
#ifdef DEBUGLOG
HANDLE hDebugLogFile = INVALID_HANDLE_VALUE;
CRITICAL_SECTION DebugFileLock;
#endif
//
// Definitions for this file
//
typedef struct _TODOITEM {
IMIRROR_TODO Item;
PVOID Buffer;
ULONG Length;
} TODOITEM, *PTODOITEM;
typedef struct _TODOLIST {
LIST_ENTRY ListEntry;
ULONG ToDoNum;
TODOITEM ToDoList[1];
} TODOLIST, *PTODOLIST;
//
// Main entry routine
//
DWORD
IMirrorInitDll(
HINSTANCE hInst,
DWORD Reason,
PVOID Context
)
/*++
Routine Description:
This routine initializes all the components for this DLL
Arguments:
hInst - Instance that is calling us.
Reason - Why we are being invoked.
Context - Context passed for this init.
Return Value:
TRUE if successful, else FALSE
--*/
{
if (Reason == DLL_PROCESS_ATTACH) {
#ifdef DEBUGLOG
InitializeCriticalSection( &DebugFileLock );
hDebugLogFile = CreateFile(L"C:\\imlog",
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
CREATE_ALWAYS,
0,
NULL);
if (hDebugLogFile != INVALID_HANDLE_VALUE){
UCHAR FileTmpBuf[MAX_PATH ];
SYSTEMTIME Time;
// log the start time
GetLocalTime(&Time);
sprintf(FileTmpBuf,"Starting on %d-%d-%d at %d:%d:%d\n",
Time.wMonth,
Time.wDay,
Time.wYear,
Time.wHour,
Time.wMinute,
Time.wSecond);
IMLogToFile(FileTmpBuf);
}
#endif
ghInst = hInst;
#ifdef DEBUGLOG
} else if (Reason == DLL_PROCESS_DETACH) {
if (hDebugLogFile != INVALID_HANDLE_VALUE){
SYSTEMTIME Time;
UCHAR FileTmpBuf[MAX_PATH ];
GetLocalTime(&Time);
sprintf(FileTmpBuf,"Ending on %d-%d-%d at %d:%d:%d\n",
Time.wMonth, Time.wDay, Time.wYear,
Time.wHour, Time.wMinute, Time.wSecond);
IMLogToFile(FileTmpBuf);
IMFlushAndCloseLog();
hDebugLogFile = INVALID_HANDLE_VALUE;
DeleteCriticalSection( &DebugFileLock );
}
#endif
}
return(TRUE);
}
VOID
IMirrorInitCallback(
PIMIRROR_CALLBACK pCallbacks
)
/*++
Routine Description:
This routine initializes the call back structure with the one supplied by the client.
Arguments:
pCallbacks - Client supplied information for making callbacks to the client.
Return Value:
None.
--*/
{
if (pCallbacks != NULL) {
Callbacks = *pCallbacks;
if (fInitedFromRegistry) {
IMirrorReinit();
}
}
}
//
//
//
// Main processing loop
//
//
//
NTSTATUS
ProcessToDoItems(
VOID
)
/*++
Routine Description:
This routine is the main processing loop for To Do Items.
Arguments:
None
Return Value:
STATUS_SUCCESS if it completed all to do items properly.
--*/
{
IMIRROR_TODO Item;
PVOID pBuffer;
ULONG Length;
NTSTATUS Status;
Status = InitToDo();
if ( Status != STATUS_SUCCESS )
return Status;
while (1) {
Status = GetNextToDoItem(&Item, &pBuffer, &Length);
if (!NT_SUCCESS(Status)) {
IMirrorHandleError(Status, IMirrorNone);
return Status;
}
switch (Item) {
case IMirrorNone:
return STATUS_SUCCESS;
case VerifySystemIsNt5:
Status = CheckIfNt5(pBuffer, Length);
break;
case CheckPartitions:
Status = CheckForPartitions(pBuffer, Length);
break;
case CopyPartitions:
Status = CopyCopyPartitions(pBuffer, Length);
break;
case CopyFiles:
Status = CopyCopyFiles(pBuffer, Length);
break;
case CopyRegistry:
Status = CopyCopyRegistry(pBuffer, Length);
break;
#if 0
case PatchDSEntries:
Status = ModifyDSEntries(pBuffer, Length);
break;
#endif
case RebootSystem:
Status = Callbacks.RebootFn(Callbacks.Context);
break;
}
IMirrorFreeMem(pBuffer);
}
}
//
//
//
// TO DO Item functions
//
//
//
NTSTATUS
InitToDo(
VOID
)
/*++
Routine Description:
This routine reads from the registry all the current ToDo items and puts
them in a single TODOLIST.
Arguments:
None
Return Value:
STATUS_SUCCESS if it was initialized properly, else the appropriate error code.
--*/
{
#if 0
PTODOLIST pToDoList;
PTODOLIST pNewToDoList;
PTODOITEM pToDoItem;
PLIST_ENTRY pListEntry;
UNICODE_STRING UnicodeString;
OBJECT_ATTRIBUTES ObjectAttributes;
PKEY_VALUE_PARTIAL_INFORMATION pKeyInfo;
HANDLE Handle;
ULONG ByteCount;
ULONG BytesLeft;
ULONG i;
PBYTE pBuffer;
#endif
NTSTATUS Status;
//
// Initialize global variables
//
InitializeListHead(&GlobalToDoList);
#if 0
//
//
// Read the current ToDo list from the registry
//
//
RtlInitUnicodeString(&UnicodeString, L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\RemoteBoot");
InitializeObjectAttributes(&ObjectAttributes,
&UnicodeString,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
Status = NtOpenKey(&Handle,
KEY_ALL_ACCESS,
&ObjectAttributes
);
if (!NT_SUCCESS(Status)) {
goto NoRegistry;
}
RtlInitUnicodeString(&UnicodeString, L"ConversionState");
//
// Get the size of the buffer needed
//
ByteCount = 0;
Status = NtQueryValueKey(Handle,
&UnicodeString,
KeyValuePartialInformation,
NULL,
0,
&ByteCount
);
if (Status != STATUS_BUFFER_TOO_SMALL) {
NtClose(Handle);
goto NoRegistry;
}
pKeyInfo = (PKEY_VALUE_PARTIAL_INFORMATION)IMirrorAllocMem(ByteCount);
if (pKeyInfo == NULL) {
NtClose(Handle);
return STATUS_NO_MEMORY;
}
//
// Get the buffer from the registry
//
Status = NtQueryValueKey(Handle,
&UnicodeString,
KeyValuePartialInformation,
pKeyInfo,
ByteCount,
&ByteCount
);
if (!NT_SUCCESS(Status)) {
IMirrorFreeMem(pKeyInfo);
NtClose(Handle);
return Status;
}
pBuffer = &(pKeyInfo->Data[0]);
BytesLeft = pKeyInfo->DataLength;
ByteCount = BytesLeft;
//
// Now translate the buffer into our internal structures.
//
while (BytesLeft != 0) {
pToDoList = (PTODOLIST)(pBuffer + ByteCount - BytesLeft);
ASSERT(pToDoList->ToDoNum != 0);
pNewToDoList = IMirrorAllocMem(sizeof(TODOLIST) +
sizeof(TODOITEM) * (pToDoList->ToDoNum - 1)
);
if (pNewToDoList == NULL) {
ClearAllToDoItems(TRUE);
NtClose(Handle);
return STATUS_NO_MEMORY;
}
BytesLeft -= (sizeof(TODOLIST) + sizeof(TODOITEM) * (pToDoList->ToDoNum - 1));
pToDoItem = &(pToDoList->ToDoList[0]);
//
// Translate over one entire TODOLIST
//
while (pNewToDoList->ToDoNum < pToDoList->ToDoNum) {
i = pNewToDoList->ToDoNum;
pNewToDoList->ToDoList[i] = *pToDoItem;
pNewToDoList->ToDoList[i].Buffer = IMirrorAllocMem(pToDoItem->Length);
BytesLeft -= pToDoItem->Length;
if (pNewToDoList->ToDoList[i].Buffer == NULL) {
ClearAllToDoItems(TRUE);
while (i > 0) {
i--;
IMirrorFreeMem(pNewToDoList->ToDoList[i].Buffer);
}
IMirrorFreeMem(pNewToDoList);
NtClose(Handle);
return STATUS_NO_MEMORY;
}
RtlMoveMemory(pNewToDoList->ToDoList[i].Buffer,
pToDoItem + 1,
pToDoItem->Length
);
pNewToDoList->ToDoNum++;
pToDoItem = (PTODOITEM)(((PBYTE)pToDoItem) + pToDoItem->Length);
pToDoItem++;
}
//
// Add this list to the global To Do list
//
InsertTailList(&GlobalToDoList, &(pNewToDoList->ListEntry));
}
//
// Remove everything from the registry so we don't accidentally restart again and again and...
//
RtlInitUnicodeString(&UnicodeString, L"ConversionState");
Status = NtDeleteValueKey(Handle, &UnicodeString);
NtClose(Handle);
if (!IsListEmpty(&GlobalToDoList)) {
fInitedFromRegistry = TRUE;
return STATUS_SUCCESS;
}
NoRegistry:
#endif
fInitedFromRegistry = FALSE;
//
// If there is nothing in the registry, presume this is a fresh start.
//
Status = AddCheckMachineToDoItems();
if (!NT_SUCCESS(Status)) {
ClearAllToDoItems(TRUE);
return Status;
}
Status = AddCopyToDoItems();
if (!NT_SUCCESS(Status)) {
ClearAllToDoItems(TRUE);
return Status;
}
if ( Callbacks.RebootFn ) {
AddToDoItem( RebootSystem, NULL, 0 );
}
return STATUS_SUCCESS;
}
NTSTATUS
GetNextToDoItem(
OUT PIMIRROR_TODO Item,
OUT PVOID *Buffer,
OUT PULONG Length
)
/*++
Routine Description:
This routine gets the next thing TODO from the global list.
NOTE: The client is responsible for freeing Buffer.
Arguments:
Item - Place to store the next item to process.
Buffer - Any context for the item.
Length - Number of bytes in Buffer.
Return Value:
STATUS_SUCCESS if it was able to get an item, else an appropriate error code.
--*/
{
PTODOLIST pToDoList;
PTODOLIST pNewToDoList;
PLIST_ENTRY pListEntry;
*Item = IMirrorNone;
*Buffer = NULL;
*Length = 0;
pToDoList = NULL;
while (!IsListEmpty(&GlobalToDoList)) {
//
// Get the first list
//
pListEntry = RemoveHeadList(&GlobalToDoList);
pToDoList = CONTAINING_RECORD(pListEntry,
TODOLIST,
ListEntry
);
if (pToDoList->ToDoNum != 0) {
break;
}
IMirrorFreeMem(pToDoList);
pToDoList = NULL;
}
if (IsListEmpty(&GlobalToDoList) && (pToDoList == NULL)) {
return STATUS_SUCCESS;
}
ASSERT(pToDoList->ToDoNum != 0);
//
// Found the first item.
//
*Item = pToDoList->ToDoList[0].Item;
*Buffer = pToDoList->ToDoList[0].Buffer;
*Length = pToDoList->ToDoList[0].Length;
if (Callbacks.RemoveToDoFn != NULL) {
Callbacks.RemoveToDoFn( Callbacks.Context, *Item, *Buffer, *Length );
}
pToDoList->ToDoNum--;
//
// Now create a new ToDo list for anything that may get added by the processing of this item.
// This creates an effective 'stack' of to do items, so that things get processed in the
// correct order.
//
pNewToDoList = IMirrorAllocMem(sizeof(TODOLIST));
if (pNewToDoList == NULL) {
return STATUS_NO_MEMORY;
}
//
// Do an effective "pop" on the current list, by moving everything else up the list
//
if (pToDoList->ToDoNum == 0) {
IMirrorFreeMem(pToDoList);
} else {
RtlMoveMemory(&(pToDoList->ToDoList[0]), &(pToDoList->ToDoList[1]), sizeof(TODOITEM) * pToDoList->ToDoNum);
InsertHeadList(&GlobalToDoList, pListEntry);
}
//
// Now push on the new space for new items.
//
pNewToDoList->ToDoNum = 0;
InsertHeadList(&GlobalToDoList, &(pNewToDoList->ListEntry));
return STATUS_SUCCESS;
}
NTSTATUS
AddToDoItem(
IN IMIRROR_TODO Item,
IN PVOID Buffer,
IN ULONG Length
)
/*++
Routine Description:
This routine adds a TODO item to the end of the current list. It allocates
new memory and copies the buffer.
Arguments:
Item - The item id.
Buffer - Buffer for any arguments, context for the item.
Length - Length of the buffer in bytes.
Return Value:
STATUS_SUCCESS if it was able to add the item, else an appropriate error status.
--*/
{
PTODOLIST pNewToDoList;
PLIST_ENTRY pListEntry;
PBYTE pBuf;
LIST_ENTRY TmpToDoList;
PTODOLIST pToDoList;
ULONG i;
ULONG err;
if (Callbacks.AddToDoFn != NULL) {
err = Callbacks.AddToDoFn( Callbacks.Context, Item, Buffer, Length );
if (err != STATUS_SUCCESS) {
//
// if the UI bounces the request, we'll treat it as success.
//
return STATUS_SUCCESS;
}
}
//
// Allocate space for the buffer
//
if (Length != 0) {
pBuf = IMirrorAllocMem(Length);
if (pBuf == NULL) {
return STATUS_NO_MEMORY;
}
} else {
pBuf = NULL;
}
//
// Get the current TODO List
//
if (IsListEmpty(&GlobalToDoList)) {
pNewToDoList = IMirrorAllocMem(sizeof(TODOLIST));
if (pNewToDoList == NULL) {
IMirrorFreeMem(pBuf);
return STATUS_NO_MEMORY;
}
pNewToDoList->ToDoNum = 1;
} else {
pListEntry = RemoveHeadList(&GlobalToDoList);
pToDoList = CONTAINING_RECORD(pListEntry,
TODOLIST,
ListEntry
);
//
// Allocate space for the new item
//
pNewToDoList = IMirrorReallocMem(pToDoList, sizeof(TODOLIST) + sizeof(TODOITEM) * pToDoList->ToDoNum);
if (pNewToDoList == NULL) {
InsertHeadList(&GlobalToDoList, pListEntry);
IMirrorFreeMem(pBuf);
return STATUS_NO_MEMORY;
}
pNewToDoList->ToDoNum++;
}
//
// Insert the item at the end of the list
//
if (pBuf != NULL) {
RtlMoveMemory(pBuf, Buffer, Length);
}
pNewToDoList->ToDoList[pNewToDoList->ToDoNum - 1].Item = Item;
pNewToDoList->ToDoList[pNewToDoList->ToDoNum - 1].Buffer = pBuf;
pNewToDoList->ToDoList[pNewToDoList->ToDoNum - 1].Length = Length;
pListEntry = &(pNewToDoList->ListEntry);
InsertHeadList(&GlobalToDoList, pListEntry);
return STATUS_SUCCESS;
}
VOID
ClearAllToDoItems(
IN BOOLEAN MemoryOnly
)
/*++
Routine Description:
This routine clears out all To Do items in memory and the registry
Arguments:
MemoryOnly - TRUE if to only clear the stuff in memory.
Return Value:
None.
--*/
{
PTODOLIST pToDoList;
PLIST_ENTRY pListEntry;
UNICODE_STRING UnicodeString;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE Handle;
NTSTATUS Status;
//
// Clear out all the items in memory
//
while (!IsListEmpty(&GlobalToDoList)) {
//
// Get the first list
//
pListEntry = RemoveHeadList(&GlobalToDoList);
pToDoList = CONTAINING_RECORD(pListEntry,
TODOLIST,
ListEntry
);
while (pToDoList->ToDoNum != 0) {
pToDoList->ToDoNum--;
if (Callbacks.RemoveToDoFn != NULL) {
Callbacks.RemoveToDoFn( Callbacks.Context,
pToDoList->ToDoList[pToDoList->ToDoNum].Item,
pToDoList->ToDoList[pToDoList->ToDoNum].Buffer,
pToDoList->ToDoList[pToDoList->ToDoNum].Length );
}
if (pToDoList->ToDoList[pToDoList->ToDoNum].Length != 0) {
IMirrorFreeMem(pToDoList->ToDoList[pToDoList->ToDoNum].Buffer);
}
}
IMirrorFreeMem(pToDoList);
}
if (MemoryOnly) {
return;
}
//
// Now clear out the ones in the registry
//
RtlInitUnicodeString(&UnicodeString, L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\RemoteBoot");
InitializeObjectAttributes(&ObjectAttributes,
&UnicodeString,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
Status = NtOpenKey(&Handle,
KEY_ALL_ACCESS,
&ObjectAttributes
);
if (!NT_SUCCESS(Status)) {
return;
}
RtlInitUnicodeString(&UnicodeString, L"ConversionState");
Status = NtDeleteValueKey(Handle, &UnicodeString);
NtClose(Handle);
}
NTSTATUS
SaveAllToDoItems(
VOID
)
/*++
Routine Description:
This routine writes out all To Do items in the list to the registry so that conversion
can be restarted later.
Arguments:
None.
Return Value:
STATUS_SUCCESS if it was able to save, else an appropriate error status.
--*/
{
return STATUS_SUCCESS;
#if 0
PTODOLIST pToDoList;
PTODOITEM pToDoItem;
PLIST_ENTRY pListEntry;
LIST_ENTRY TmpGlobalList;
UNICODE_STRING UnicodeString;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE Handle;
ULONG ByteCount;
ULONG i;
PBYTE pBuffer;
PBYTE pTmp;
NTSTATUS Status;
//
// First find the size of buffer that will be needed.
//
ByteCount = 0;
InitializeListHead(&TmpGlobalList);
while (!IsListEmpty(&GlobalToDoList)) {
//
// Get the first list
//
pListEntry = RemoveHeadList(&GlobalToDoList);
pToDoList = CONTAINING_RECORD(pListEntry,
TODOLIST,
ListEntry
);
//
// Get the size of all the items
//
i = 0;
while (i < pToDoList->ToDoNum) {
if (i == 0) {
ByteCount += sizeof(TODOLIST);
} else {
ByteCount += sizeof(TODOITEM);
}
ByteCount += pToDoList->ToDoList[i].Length;
i++;
}
//
// Save the entry away for later
//
InsertTailList(&TmpGlobalList, pListEntry);
}
if (ByteCount == 0) {
return STATUS_SUCCESS;
}
//
// Restore global list
//
while (!IsListEmpty(&TmpGlobalList)) {
pListEntry = RemoveHeadList(&TmpGlobalList);
InsertTailList(&GlobalToDoList, pListEntry);
}
//
// Allocate a buffer for everything.
//
pBuffer = IMirrorAllocMem(ByteCount);
if (pBuffer == NULL) {
return STATUS_NO_MEMORY;
}
//
// Fill the buffer
//
pTmp = pBuffer;
while (!IsListEmpty(&GlobalToDoList)) {
//
// Get the first list
//
pListEntry = RemoveHeadList(&GlobalToDoList);
pToDoList = CONTAINING_RECORD(pListEntry,
TODOLIST,
ListEntry
);
//
// Copy all the items
//
i = 0;
while (i < pToDoList->ToDoNum) {
if (i == 0) {
RtlMoveMemory(pTmp, pToDoList, sizeof(TODOLIST));
pToDoItem = &(((PTODOLIST)pTmp)->ToDoList[0]);
pTmp += sizeof(TODOLIST);
} else {
RtlMoveMemory(pTmp, &(pToDoList->ToDoList[i]), sizeof(TODOITEM));
pToDoItem = (PTODOITEM)pTmp;
pTmp += sizeof(TODOITEM);
}
if (pToDoList->ToDoList[i].Length != 0) {
RtlMoveMemory(pTmp, pToDoList->ToDoList[i].Buffer, pToDoList->ToDoList[i].Length);
pTmp += pToDoList->ToDoList[i].Length;
}
pToDoItem->Buffer = NULL;
i++;
}
//
// Save the entry away for later
//
InsertTailList(&TmpGlobalList, pListEntry);
}
//
// Restore global list
//
while (!IsListEmpty(&TmpGlobalList)) {
pListEntry = RemoveHeadList(&TmpGlobalList);
InsertTailList(&GlobalToDoList, pListEntry);
}
//
// Now write the buffer to the registry
//
RtlInitUnicodeString(&UnicodeString, L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\RemoteBoot");
InitializeObjectAttributes(&ObjectAttributes,
&UnicodeString,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
Status = NtCreateKey(&Handle,
KEY_ALL_ACCESS,
&ObjectAttributes,
0,
(PUNICODE_STRING)NULL,
0,
&i // disposition
);
if (!NT_SUCCESS(Status)) {
IMirrorFreeMem(pBuffer);
return Status;
}
RtlInitUnicodeString(&UnicodeString, L"ConversionState");
Status = NtSetValueKey(Handle,
&UnicodeString,
0,
REG_BINARY,
pBuffer,
ByteCount
);
NtClose(Handle);
IMirrorFreeMem(pBuffer);
return Status;
#endif
}
NTSTATUS
ModifyToDoItem(
IN IMIRROR_TODO Item,
IN PVOID Buffer,
IN ULONG Length
)
/*++
Routine Description:
This routine changes the parameters to the first TODO item that matches Item.
Arguments:
Item - The item id.
Buffer - Buffer for any arguments, context for the item.
Length - Length of the buffer in bytes.
Return Value:
STATUS_SUCCESS if it was able to change the item, else an appropriate error status.
--*/
{
PLIST_ENTRY pListEntry;
LIST_ENTRY TmpGlobalList;
PTODOLIST pToDoList;
ULONG i;
NTSTATUS Status = STATUS_UNSUCCESSFUL;
InitializeListHead(&TmpGlobalList);
while (!IsListEmpty(&GlobalToDoList)) {
//
// Get the first list
//
pListEntry = RemoveHeadList(&GlobalToDoList);
pToDoList = CONTAINING_RECORD(pListEntry,
TODOLIST,
ListEntry
);
//
// Save the entry away for later
//
InsertTailList(&TmpGlobalList, pListEntry);
//
// Walk the list until we find an item that matches.
//
i = 0;
while (i < pToDoList->ToDoNum) {
if (pToDoList->ToDoList[i].Item == Item) {
if (pToDoList->ToDoList[i].Length == Length) {
RtlMoveMemory(pToDoList->ToDoList[i].Buffer, Buffer, Length);
} else {
PVOID pTmp;
pTmp = IMirrorAllocMem(Length);
if (pTmp == NULL) {
return STATUS_NO_MEMORY;
}
if (pToDoList->ToDoList[i].Length != 0) {
IMirrorFreeMem(pToDoList->ToDoList[i].Buffer);
}
pToDoList->ToDoList[i].Buffer = pTmp;
pToDoList->ToDoList[i].Length = Length;
RtlMoveMemory(pTmp, Buffer, Length);
}
Status = STATUS_SUCCESS;
goto Done;
}
i++;
}
}
Done:
//
// Restore global list
//
while (!IsListEmpty(&TmpGlobalList)) {
pListEntry = RemoveTailList(&TmpGlobalList);
InsertHeadList(&GlobalToDoList, pListEntry);
}
return Status;
}
NTSTATUS
CopyToDoItemParameters(
IN IMIRROR_TODO Item,
OUT PVOID Buffer,
IN OUT PULONG Length
)
/*++
Routine Description:
This routine finds the first instance of Item, and copies its current parameters into Buffer.
Arguments:
Item - The item id.
Buffer - The arguments, context for the item.
Length - Length of the buffer in bytes.
Return Value:
STATUS_SUCCESS if it was able to change the item, else an appropriate error status.
--*/
{
PLIST_ENTRY pListEntry;
LIST_ENTRY TmpGlobalList;
PTODOLIST pToDoList;
ULONG i;
NTSTATUS Status = STATUS_UNSUCCESSFUL;
InitializeListHead(&TmpGlobalList);
while (!IsListEmpty(&GlobalToDoList)) {
//
// Get the first list
//
pListEntry = RemoveHeadList(&GlobalToDoList);
pToDoList = CONTAINING_RECORD(pListEntry,
TODOLIST,
ListEntry
);
//
// Save the entry away for later
//
InsertTailList(&TmpGlobalList, pListEntry);
//
// Walk the list until we find an item that matches.
//
i = 0;
while (i < pToDoList->ToDoNum) {
if (pToDoList->ToDoList[i].Item == Item) {
if (pToDoList->ToDoList[i].Length <= *Length) {
if (pToDoList->ToDoList[i].Length != 0) {
RtlMoveMemory(Buffer,
pToDoList->ToDoList[i].Buffer,
pToDoList->ToDoList[i].Length
);
}
Status = STATUS_SUCCESS;
} else {
Status = STATUS_INSUFFICIENT_RESOURCES;
}
*Length = pToDoList->ToDoList[i].Length;
goto Done;
}
i++;
}
}
Done:
//
// Restore global list
//
while (!IsListEmpty(&TmpGlobalList)) {
pListEntry = RemoveTailList(&TmpGlobalList);
InsertHeadList(&GlobalToDoList, pListEntry);
}
return Status;
}
#if 0
NTSTATUS
IMirrorDoReboot(
IN PVOID pBuffer,
IN ULONG Length
)
/*++
Routine Description:
This routine saves all the current to do items in the registry, and asks the UI if the
reboot should be executed now.
Arguments:
pBuffer - Pointer to any arguments passed in the to do item.
Length - Length, in bytes of the arguments.
Return Value:
STATUS_SUCCESS if it completes adding all the to do items properly.
--*/
{
NTSTATUS Status;
BOOL fRebootNow;
BOOLEAN WasEnabled;
DWORD Error;
//
// Add items to reverify the machine when the reboot is complete.
//
#if 0
Status = AddToDoItem(VerifyNetworkComponents, NULL, 0);
if (!NT_SUCCESS(Status)) {
IMirrorHandleError(Status, IMirrorInitialize);
return Status;
}
#endif
//
// Now save everything away...
//
Status = SaveAllToDoItems();
if (!NT_SUCCESS(Status)) {
IMirrorHandleError(Status, IMirrorReboot);
return Status;
}
ClearAllToDoItems(TRUE);
IMirrorWarnReboot(&fRebootNow);
if (!fRebootNow) {
return STATUS_SUCCESS;
}
//
// Reboot the machine to start CSC
//
Status = RtlAdjustPrivilege( SE_SHUTDOWN_PRIVILEGE,
(BOOLEAN)TRUE,
TRUE,
&WasEnabled
);
if (Status == STATUS_NO_TOKEN) {
//
// No thread token, use the process token
//
Status = RtlAdjustPrivilege( SE_SHUTDOWN_PRIVILEGE,
(BOOLEAN)TRUE,
FALSE,
&WasEnabled
);
}
if (!InitiateSystemShutdown(NULL, NULL, 0, TRUE, TRUE)) {
IMirrorHandleError(ERROR_SUCCESS_REBOOT_REQUIRED, IMirrorReboot);
}
return STATUS_SUCCESS;
}
#endif
Reference in a new issue Copy permalink