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https://github.com/reactos/reactos.git
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work on registry
svn path=/trunk/; revision=1357
This commit is contained in:
jean
parent
79753f70ea
commit
ee426ef891
1 changed files with 157 additions and 38 deletions
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@ -1,4 +1,4 @@
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/* $Id: registry.c,v 1.31 2000/09/12 10:43:28 jean Exp $
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/* $Id: registry.c,v 1.32 2000/09/13 09:51:58 jean Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -38,8 +38,15 @@
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#define REG_ROOT_KEY_BLOCK_TYPE 0x2c
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#define REG_ROOT_KEY_NAME L"\\Registry"
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#define SYSTEM_REG_FILE L"\\SystemRoot\\System32\\Config\\SYSTEM.DAT"
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#define REG_MACHINE_KEY_NAME L"\\Registry\\Machine"
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#define REG_SYSTEM_KEY_NAME L"\\Registry\\Machine\\System"
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#define REG_SOFTWARE_KEY_NAME L"\\Registry\\Machine\\Software"
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#define REG_USERS_KEY_NAME L"\\Registry\\User"
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#define REG_USER_KEY_NAME L"\\Registry\\User\\CurrentUser"
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#define SYSTEM_REG_FILE L"\\SystemRoot\\System32\\Config\\SYSTEM"
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#define SOFTWARE_REG_FILE L"\\SystemRoot\\System32\\Config\\SOFTWARE"
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#define USER_REG_FILE L"\\SystemRoot\\System32\\Config\\USER"
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// BLOCK_OFFSET = offset in file after header block
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typedef DWORD BLOCK_OFFSET;
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@ -142,7 +149,7 @@ typedef struct _REGISTRY_FILE
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PHEADER_BLOCK HeaderBlock;
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ULONG NumberOfBlocks;
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ULONG BlockListSize;
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PIN_MEMORY_BLOCK *BlockList;
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PHEAP_BLOCK *BlockList;
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NTSTATUS (*Extend)(ULONG NewSize);
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PVOID (*Flush)(VOID);
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@ -159,6 +166,7 @@ typedef struct _KEY_OBJECT
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PREGISTRY_FILE RegistryFile;
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PKEY_BLOCK KeyBlock;
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struct _KEY_OBJECT *NextKey;
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struct _KEY_OBJECT *SubKey;
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} KEY_OBJECT, *PKEY_OBJECT;
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#define KO_MARKED_FOR_DELETE 0x00000001
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@ -242,8 +250,6 @@ static NTSTATUS CmiAllocateKeyBlock(IN PREGISTRY_FILE RegistryFile,
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IN ULONG TitleIndex,
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IN PWSTR Class,
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IN ULONG CreateOptions);
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static PKEY_BLOCK CmiGetKeyBlock(PREGISTRY_FILE RegistryFile,
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BLOCK_OFFSET KeyBlockOffset);
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static NTSTATUS CmiDestroyKeyBlock(PREGISTRY_FILE RegistryFile,
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PKEY_BLOCK KeyBlock);
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static NTSTATUS CmiAllocateHashTableBlock(IN PREGISTRY_FILE RegistryFile,
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@ -373,6 +379,51 @@ CHECKPOINT;
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#endif
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}
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VOID
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CmInitializeRegistry2(VOID)
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{
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#ifdef xxx
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OBJECT_ATTRIBUTES ObjectAttributes;
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PKEY_OBJECT NewKey;
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HANDLE KeyHandle;
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UNICODE_STRING KeyName;
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/* FIXME : delete temporary \Registry\Machine\System */
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RtlInitUnicodeString(&KeyName, REG_SYSTEM_KEY_NAME);
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InitializeObjectAttributes(&ObjectAttributes, &KeyName, 0, NULL, NULL);
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NewKey=ObCreateObject(&KeyHandle,
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STANDARD_RIGHTS_REQUIRED,
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&ObjectAttributes,
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CmiKeyType);
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CHECKPOINT;
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CmiSystemFile = CmiCreateRegistry(SYSTEM_REG_FILE);
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if( CmiSystemFile )
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{
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NewKey->RegistryFile = CmiSystemFile;
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NewKey->KeyBlock = CmiGetBlock(CmiSystemFile,32);
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NewKey->Flags = 0;
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NewKey->NextKey = NULL;
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NewKey->Name = NewKey->KeyBlock->Name;
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}
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CHECKPOINT;
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#endif
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/*
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{
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// HANDLE HKey;
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NTSTATUS Status;
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PKEY_BLOCK SubKeyBlock;
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RtlInitUnicodeString(&KeyName, L"\\Registry\\Machine\\Software\\Windows");
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InitializeObjectAttributes(&ObjectAttributes, &KeyName, 0, NULL, NULL);
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Status = CmiScanForSubKey(CmiSystemFile,
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NewKey->KeyBlock,
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&SubKeyBlock,
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L"Windows",
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KEY_READ);
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// Status = NtOpenKey ( &HKey, KEY_READ , &ObjectAttributes);
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}
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*/
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}
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VOID
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CmImportHive(PCHAR Chunk)
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{
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@ -1396,7 +1447,7 @@ static NTSTATUS CmiObjectParse(PVOID ParsedObject,
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return Status;
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}
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CurKeyBlock = CmiGetKeyBlock(RegistryFile,
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CurKeyBlock = CmiGetBlock(RegistryFile,
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RegistryFile->HeaderBlock->RootKeyBlock);
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/* Loop through each key level and find the needed subkey */
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@ -1686,12 +1737,44 @@ CmiCreateRegistry(PWSTR Filename)
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RegistryFile = ExAllocatePool(NonPagedPool, sizeof(REGISTRY_FILE));
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if (Filename != NULL)
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{
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UNIMPLEMENTED;
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/* FIXME: Duplicate Filename */
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{
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UNICODE_STRING TmpFileName;
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OBJECT_ATTRIBUTES ObjectAttributes;
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NTSTATUS Status;
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/* Duplicate Filename */
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RegistryFile->Filename = ExAllocatePool(NonPagedPool, MAX_PATH);
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wcscpy(RegistryFile->Filename , Filename);
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/* FIXME: if file does not exist, create new file */
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/* FIXME: else attempt to map the file */
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}
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/* else attempt to map the file */
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RtlInitUnicodeString (&TmpFileName, Filename);
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InitializeObjectAttributes(&ObjectAttributes,
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&TmpFileName,
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0,
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NULL,
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NULL);
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Status = ZwOpenFile(&RegistryFile->FileHandle,
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FILE_ALL_ACCESS,
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&ObjectAttributes,
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NULL, 0, 0);
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/* FIXME: if file does not exist, create new file */
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if( !NT_SUCCESS(Status) )
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{
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DPRINT("registry file not found\n");
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ExFreePool(RegistryFile->Filename);
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RegistryFile->Filename = NULL;
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return NULL;
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}
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RegistryFile->HeaderBlock = (PHEADER_BLOCK)
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ExAllocatePool(NonPagedPool, sizeof(HEADER_BLOCK));
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Status = ZwReadFile(RegistryFile->FileHandle,
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0, 0, 0, 0,
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RegistryFile->HeaderBlock,
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sizeof(HEADER_BLOCK),
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0, 0);
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RegistryFile->BlockListSize = 0;
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RegistryFile->BlockList = NULL;
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}
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else
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{
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RegistryFile->Filename = NULL;
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@ -1754,7 +1837,7 @@ CHECKPOINT;
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/* Loop through each key level and find or build the needed subkey */
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Status = STATUS_SUCCESS;
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/* FIXME: this access of RootKeyBlock should be guarded by spinlock */
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CurKeyBlock = CmiGetKeyBlock(RegistryFile,
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CurKeyBlock = CmiGetBlock(RegistryFile,
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RegistryFile->HeaderBlock->RootKeyBlock);
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CHECKPOINT;
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Remainder = KeyNameBuf;
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@ -1862,7 +1945,7 @@ CmiFindKey(IN PREGISTRY_FILE RegistryFile,
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/* Loop through each key level and find the needed subkey */
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Status = STATUS_SUCCESS;
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/* FIXME: this access of RootKeyBlock should be guarded by spinlock */
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CurKeyBlock = CmiGetKeyBlock(RegistryFile, RegistryFile->HeaderBlock->RootKeyBlock);
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CurKeyBlock = CmiGetBlock(RegistryFile, RegistryFile->HeaderBlock->RootKeyBlock);
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Remainder = KeyNameBuf;
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while (NT_SUCCESS(Status) &&
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(NextSlash = wcschr(Remainder, L'\\')) != NULL)
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@ -1933,7 +2016,7 @@ CmiGetMaxNameLength(PREGISTRY_FILE RegistryFile,
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{
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if (HashBlock->Table[Idx].KeyOffset != 0)
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{
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CurSubKeyBlock = CmiGetKeyBlock(RegistryFile,
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CurSubKeyBlock = CmiGetBlock(RegistryFile,
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HashBlock->Table[Idx].KeyOffset);
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if (MaxName < CurSubKeyBlock->NameSize)
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{
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@ -1966,7 +2049,7 @@ CmiGetMaxClassLength(PREGISTRY_FILE RegistryFile,
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{
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if (HashBlock->Table[Idx].KeyOffset != 0)
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{
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CurSubKeyBlock = CmiGetKeyBlock(RegistryFile,
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CurSubKeyBlock = CmiGetBlock(RegistryFile,
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HashBlock->Table[Idx].KeyOffset);
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if (MaxClass < CurSubKeyBlock->ClassSize)
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{
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@ -2067,7 +2150,7 @@ CmiScanForSubKey(IN PREGISTRY_FILE RegistryFile,
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if (HashBlock->Table[Idx].KeyOffset != 0 &&
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!wcsncmp(KeyName, (PWSTR) &HashBlock->Table[Idx].HashValue, 4))
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{
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CurSubKeyBlock = CmiGetKeyBlock(RegistryFile,
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CurSubKeyBlock = CmiGetBlock(RegistryFile,
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HashBlock->Table[Idx].KeyOffset);
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if (!wcscmp(KeyName, CurSubKeyBlock->Name))
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{
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@ -2370,26 +2453,6 @@ DPRINT ("NewKeySize: %lu\n", NewKeySize);
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return Status;
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}
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static PKEY_BLOCK
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CmiGetKeyBlock(PREGISTRY_FILE RegistryFile,
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BLOCK_OFFSET KeyBlockOffset)
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{
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PKEY_BLOCK KeyBlock;
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if (RegistryFile->Filename == NULL)
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{
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CmiLockBlock(RegistryFile, (PVOID) KeyBlockOffset);
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KeyBlock = (PKEY_BLOCK) KeyBlockOffset;
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}
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else
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{
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UNIMPLEMENTED;
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}
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return KeyBlock;
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}
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static NTSTATUS
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CmiDestroyKeyBlock(PREGISTRY_FILE RegistryFile,
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PKEY_BLOCK KeyBlock)
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@ -2704,6 +2767,8 @@ CmiGetBlock(PREGISTRY_FILE RegistryFile,
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BLOCK_OFFSET BlockOffset)
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{
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PVOID Block;
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long i;
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NTSTATUS Status;
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Block = NULL;
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if (RegistryFile->Filename == NULL)
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@ -2714,7 +2779,61 @@ CmiGetBlock(PREGISTRY_FILE RegistryFile,
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}
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else
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{
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UNIMPLEMENTED;
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PHEAP_BLOCK * tmpBlockList;
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HEAP_BLOCK tmpHeap;
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LARGE_INTEGER fileOffset;
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// search in the heap blocks currently in memory
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for (i=0; i < RegistryFile->BlockListSize ; i++)
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{
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if ( RegistryFile->BlockList[i]->BlockOffset <= BlockOffset
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&& (RegistryFile->BlockList[i]->BlockOffset
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+RegistryFile->BlockList[i]->BlockSize > BlockOffset ))
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return ((char *)RegistryFile->BlockList[i]
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+(BlockOffset - RegistryFile->BlockList[i]->BlockOffset));
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}
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// not in memory : read from file
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tmpBlockList=ExAllocatePool(NonPagedPool,
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sizeof(PHEAP_BLOCK *)*(i+1));
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if (tmpBlockList == NULL)
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{
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KeBugCheck(0);
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return(FALSE);
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}
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if(RegistryFile->BlockListSize > 0)
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{
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memcpy(tmpBlockList,RegistryFile->BlockList,
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sizeof(PHEAP_BLOCK *)*(RegistryFile->BlockListSize ));
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ExFreePool(RegistryFile->BlockList);
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}
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RegistryFile->BlockList = tmpBlockList;
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fileOffset.u.LowPart = (BlockOffset & 0xfffff000)+REG_BLOCK_SIZE;
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fileOffset.u.HighPart = 0;
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Status = ZwReadFile(RegistryFile->FileHandle,
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0, 0, 0, 0,
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&tmpHeap,
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sizeof(HEAP_BLOCK),
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&fileOffset, 0);
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/* FIXME : better is to start from previous block */
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while (tmpHeap.BlockId != 0x6e696268 && fileOffset.u.LowPart >= REG_BLOCK_SIZE)
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{
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fileOffset.u.LowPart -= REG_BLOCK_SIZE;
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Status = ZwReadFile(RegistryFile->FileHandle,
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0, 0, 0, 0,
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&tmpHeap,
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sizeof(HEAP_BLOCK),
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&fileOffset, 0);
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}
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if (tmpHeap.BlockId != 0x6e696268 )
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return NULL;
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RegistryFile->BlockList [RegistryFile->BlockListSize ++]
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= ExAllocatePool(NonPagedPool,tmpHeap.BlockSize);
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Status = ZwReadFile(RegistryFile->FileHandle,
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0, 0, 0, 0,
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RegistryFile->HeaderBlock,
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tmpHeap.BlockSize,
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&fileOffset, 0);
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return ((char *)RegistryFile->BlockList[i]
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+(BlockOffset - RegistryFile->BlockList[i]->BlockOffset));
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}
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return Block;
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@ -2744,7 +2863,7 @@ CmiLockBlock(PREGISTRY_FILE RegistryFile,
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{
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if (RegistryFile->Filename != NULL)
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{
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UNIMPLEMENTED;
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/* FIXME : implement */
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}
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}
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