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[SMSS2]: Implement SmpProcessFileRenames and actually create the paging file now. All initialization work is now done by SMSS2.
[SMSS]: Neuter away most of the code and only keep SMSS around for managing the API port. Next step is to make the SMSS2 API port go into use. svn path=/trunk/; revision=55453
This commit is contained in:
Alex Ionescu
parent
f17b946a88
commit
12f8a6d6a6
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@ -23,16 +23,16 @@ struct {
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PCHAR ErrorMessage;
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} InitRoutine [] = {
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{TRUE, SmCreateHeap, "create private heap, aborting"},
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{TRUE, SmCreateObjectDirectories, "create object directories"},
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// {TRUE, SmCreateObjectDirectories, "create object directories"},
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{TRUE, SmCreateApiPort, "create \\SmApiPort"},
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{TRUE, SmCreateEnvironment, "create the system environment"},
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{TRUE, SmSetEnvironmentVariables, "set system environment variables"},
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{TRUE, SmInitDosDevices, "create dos device links"},
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{TRUE, SmRunBootApplications, "run boot applications"},
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{TRUE, SmProcessFileRenameList, "process the file rename list"},
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// {TRUE, SmSetEnvironmentVariables, "set system environment variables"},
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// {TRUE, SmInitDosDevices, "create dos device links"},
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// {TRUE, SmRunBootApplications, "run boot applications"},
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// {TRUE, SmProcessFileRenameList, "process the file rename list"},
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{FALSE, SmUpdateEnvironment, "update environment variables"},
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{FALSE, SmLoadKnownDlls, "preload system DLLs"},
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{TRUE, SmCreatePagingFiles, "create paging files"},
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// {FALSE, SmLoadKnownDlls, "preload system DLLs"},
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// {TRUE, SmCreatePagingFiles, "create paging files"},
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// {TRUE, SmInitializeRegistry, "initialize the registry"},
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{TRUE, SmInitializeClientManagement, "initialize client management"},
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{TRUE, SmLoadSubsystems, "load subsystems"}
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@ -451,11 +451,9 @@ SmpCreatePagingFile(IN PUNICODE_STRING Name,
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IN ULONG Priority)
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{
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NTSTATUS Status;
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DPRINT1("Should request pagefile: %wZ with size %I64x and %I64x\n", Name, MinSize->QuadPart, MaxSize->QuadPart);
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/* Tell the kernel to create the pagefile */
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Status = STATUS_SUCCESS;
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//Status = NtCreatePagingFile(Name, MinSize, MaxSize, Priority);
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Status = NtCreatePagingFile(Name, MinSize, MaxSize, Priority);
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if (NT_SUCCESS(Status))
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{
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DPRINT1("SMSS:PFILE: NtCreatePagingFile (%wZ, %I64X, %I64X) succeeded. \n",
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@ -1827,7 +1827,211 @@ NTSTATUS
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NTAPI
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SmpProcessFileRenames(VOID)
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{
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return STATUS_SUCCESS;
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BOOLEAN OldState, HavePrivilege;
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NTSTATUS Status;
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HANDLE FileHandle, OtherFileHandle;
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FILE_INFORMATION_CLASS InformationClass;
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OBJECT_ATTRIBUTES ObjectAttributes;
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IO_STATUS_BLOCK IoStatusBlock;
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UNICODE_STRING FileString;
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FILE_BASIC_INFORMATION BasicInfo;
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FILE_DISPOSITION_INFORMATION DeleteInformation;
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PFILE_RENAME_INFORMATION Buffer;
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PLIST_ENTRY Head, NextEntry;
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PSMP_REGISTRY_VALUE RegEntry;
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PWCHAR FileName;
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ULONG ValueLength, Length;
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/* Give us access to restore any files we want */
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Status = RtlAdjustPrivilege(SE_RESTORE_PRIVILEGE, TRUE, FALSE, &OldState);
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if (NT_SUCCESS(Status)) HavePrivilege = TRUE;
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/* Process pending files to rename */
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Head = &SmpFileRenameList;
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while (!IsListEmpty(Head))
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{
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/* Get this entry */
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NextEntry = RemoveHeadList(Head);
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RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
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DPRINT1("Processing PFRO: %wZ/%wZ\n", &RegEntry->Value, &RegEntry->Name);
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/* Skip past the '@' marker */
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if (!(RegEntry->Value.Length) && (*RegEntry->Name.Buffer == L'@'))
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{
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RegEntry->Name.Length -= sizeof(UNICODE_NULL);
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RegEntry->Name.Buffer++;
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}
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/* Open the file for delete access */
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InitializeObjectAttributes(&ObjectAttributes,
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&RegEntry->Name,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Status = NtOpenFile(&OtherFileHandle,
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DELETE | SYNCHRONIZE,
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&ObjectAttributes,
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&IoStatusBlock,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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FILE_SYNCHRONOUS_IO_NONALERT);
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if (!NT_SUCCESS(Status)) goto Quickie;
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/* Check if it's a rename or just a delete */
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ValueLength = RegEntry->Value.Length;
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if (!ValueLength)
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{
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/* Just a delete, set up the class, length and buffer */
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InformationClass = FileDispositionInformation;
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Length = sizeof(DeleteInformation);
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Buffer = (PFILE_RENAME_INFORMATION)&DeleteInformation;
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/* Set the delete disposition */
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DeleteInformation.DeleteFile = TRUE;
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}
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else
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{
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/* This is a rename, setup the class and length */
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InformationClass = FileRenameInformation;
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Length = ValueLength + sizeof(FILE_RENAME_INFORMATION);
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/* Skip past the special markers */
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FileName = RegEntry->Value.Buffer;
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if ((*FileName == L'!') || (*FileName == L'@'))
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{
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FileName++;
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Length -= sizeof(UNICODE_NULL);
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}
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/* Now allocate the buffer for the rename information */
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Buffer = RtlAllocateHeap(RtlGetProcessHeap(), SmBaseTag, Length);
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if (Buffer)
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{
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/* Setup the buffer to point to the filename, and copy it */
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Buffer->RootDirectory = NULL;
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Buffer->FileNameLength = Length - sizeof(FILE_RENAME_INFORMATION);
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Buffer->ReplaceIfExists = FileName != RegEntry->Value.Buffer;
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RtlCopyMemory(Buffer->FileName, FileName, Buffer->FileNameLength);
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}
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else
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{
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/* Fail */
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Status = STATUS_NO_MEMORY;
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}
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}
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/* Check if everything is okay till here */
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if (NT_SUCCESS(Status))
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{
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/* Now either rename or delete the file as requested */
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Status = NtSetInformationFile(OtherFileHandle,
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&IoStatusBlock,
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Buffer,
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Length,
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InformationClass);
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/* Check if we seem to have failed because the file was readonly */
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if ((NT_SUCCESS(Status) &&
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(InformationClass == FileRenameInformation) &&
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(Status == STATUS_OBJECT_NAME_COLLISION) &&
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(Buffer->ReplaceIfExists)))
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{
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/* Open the file for write attribute access this time... */
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DPRINT1("\nSMSS: %wZ => %wZ failed - Status == %x, Possible readonly target\n",
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&RegEntry->Name,
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&RegEntry->Value,
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STATUS_OBJECT_NAME_COLLISION);
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FileString.Length = RegEntry->Value.Length - sizeof(WCHAR);
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FileString.MaximumLength = RegEntry->Value.MaximumLength - sizeof(WCHAR);
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FileString.Buffer = FileName;
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InitializeObjectAttributes(&ObjectAttributes,
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&FileString,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Status = NtOpenFile(&FileHandle,
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FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
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&ObjectAttributes,
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&IoStatusBlock,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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FILE_SYNCHRONOUS_IO_NONALERT);
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if (!NT_SUCCESS(Status))
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{
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/* That didn't work, so bail out */
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DPRINT1(" SMSS: Open Existing file Failed - Status == %x\n",
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Status);
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}
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else
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{
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/* Now remove the read-only attribute from the file */
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DPRINT1(" SMSS: Open Existing Success\n");
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RtlZeroMemory(&BasicInfo, sizeof(BasicInfo));
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BasicInfo.FileAttributes = FILE_ATTRIBUTE_NORMAL;
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Status = NtSetInformationFile(FileHandle,
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&IoStatusBlock,
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&BasicInfo,
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sizeof(BasicInfo),
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FileBasicInformation);
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NtClose(FileHandle);
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if (!NT_SUCCESS(Status))
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{
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/* That didn't work, bail out */
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DPRINT1(" SMSS: Set To NORMAL Failed - Status == %x\n",
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Status);
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}
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else
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{
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/* Now that the file is no longer read-only, delete! */
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DPRINT1(" SMSS: Set To NORMAL OK\n");
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Status = NtSetInformationFile(OtherFileHandle,
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&IoStatusBlock,
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Buffer,
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Length,
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FileRenameInformation);
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if (!NT_SUCCESS(Status))
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{
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/* That failed too! */
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DPRINT1(" SMSS: Re-Rename Failed - Status == %x\n",
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Status);
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}
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else
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{
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/* Everything ok */
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DPRINT1(" SMSS: Re-Rename Worked OK\n");
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}
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}
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}
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}
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}
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/* Close the file handle and check the operation result */
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NtClose(OtherFileHandle);
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Quickie:
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if (!NT_SUCCESS(Status))
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{
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/* We totally failed */
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DPRINT1("SMSS: %wZ => %wZ failed - Status == %x\n",
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&RegEntry->Name, &RegEntry->Value, Status);
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}
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else if (RegEntry->Value.Length)
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{
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/* We succeed with a rename */
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DPRINT1("SMSS: %wZ (renamed to) %wZ\n", &RegEntry->Name, &RegEntry->Value);
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}
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else
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{
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/* We suceeded with a delete */
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DPRINT1("SMSS: %wZ (deleted)\n", &RegEntry->Name);
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}
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/* Now free this entry and keep going */
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if (RegEntry->AnsiValue) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->AnsiValue);
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if (RegEntry->Value.Buffer) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->Value.Buffer);
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RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
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}
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/* Put back the restore privilege if we had requested it, and return */
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if (HavePrivilege) RtlAdjustPrivilege(SE_RESTORE_PRIVILEGE, FALSE, FALSE, &OldState);
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return Status;
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}
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NTSTATUS
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