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55d8a8490c
Will be used soon to make backups of system files, like the registry hive files just freshly created. - Make the SetupCopyFile() function closer to its win32 counterpart. - Adjust the code that calls SetupCopyFile(). svn path=/branches/setup_improvements/; revision=75008 svn path=/branches/setup_improvements/; revision=75009
715 lines
22 KiB
C
715 lines
22 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS text-mode setup
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* FILE: base/setup/usetup/filesup.c
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* PURPOSE: File support functions
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* PROGRAMMER: Casper S. Hornstrup (chorns@users.sourceforge.net)
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*/
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/* INCLUDES *****************************************************************/
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#include "usetup.h"
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS ****************************************************************/
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static BOOLEAN HasCurrentCabinet = FALSE;
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static WCHAR CurrentCabinetName[MAX_PATH];
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static CAB_SEARCH Search;
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static
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NTSTATUS
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SetupCreateSingleDirectory(
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PWCHAR DirectoryName)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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IO_STATUS_BLOCK IoStatusBlock;
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UNICODE_STRING PathName;
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HANDLE DirectoryHandle;
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NTSTATUS Status;
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if (!RtlCreateUnicodeString(&PathName, DirectoryName))
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return STATUS_NO_MEMORY;
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if (PathName.Length > sizeof(WCHAR) &&
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PathName.Buffer[PathName.Length / sizeof(WCHAR) - 2] == L'\\' &&
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PathName.Buffer[PathName.Length / sizeof(WCHAR) - 1] == L'.')
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{
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PathName.Length -= sizeof(WCHAR);
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PathName.Buffer[PathName.Length / sizeof(WCHAR)] = 0;
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}
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if (PathName.Length > sizeof(WCHAR) &&
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PathName.Buffer[PathName.Length / sizeof(WCHAR) - 1] == L'\\')
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{
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PathName.Length -= sizeof(WCHAR);
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PathName.Buffer[PathName.Length / sizeof(WCHAR)] = 0;
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}
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InitializeObjectAttributes(&ObjectAttributes,
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&PathName,
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OBJ_CASE_INSENSITIVE | OBJ_INHERIT,
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NULL,
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NULL);
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Status = NtCreateFile(&DirectoryHandle,
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FILE_LIST_DIRECTORY | SYNCHRONIZE,
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&ObjectAttributes,
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&IoStatusBlock,
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NULL,
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FILE_ATTRIBUTE_DIRECTORY,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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FILE_OPEN_IF,
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FILE_OPEN_FOR_BACKUP_INTENT | FILE_DIRECTORY_FILE,
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NULL,
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0);
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if (NT_SUCCESS(Status))
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{
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NtClose(DirectoryHandle);
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}
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RtlFreeUnicodeString(&PathName);
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return Status;
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}
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NTSTATUS
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SetupCreateDirectory(
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PWCHAR PathName)
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{
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PWCHAR PathBuffer = NULL;
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PWCHAR Ptr, EndPtr;
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ULONG BackslashCount;
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ULONG Size;
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NTSTATUS Status = STATUS_SUCCESS;
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Size = (wcslen(PathName) + 1) * sizeof(WCHAR);
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PathBuffer = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, Size);
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if (PathBuffer == NULL)
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return STATUS_INSUFFICIENT_RESOURCES;
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wcscpy(PathBuffer, PathName);
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EndPtr = PathBuffer + wcslen(PathName);
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Ptr = PathBuffer;
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/* Skip the '\Device\HarddiskX\PartitionY\ part */
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BackslashCount = 0;
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while (Ptr < EndPtr && BackslashCount < 4)
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{
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if (*Ptr == L'\\')
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BackslashCount++;
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Ptr++;
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}
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while (Ptr < EndPtr)
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{
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if (*Ptr == L'\\')
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{
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*Ptr = 0;
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DPRINT("PathBuffer: %S\n", PathBuffer);
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if (!DoesPathExist(NULL, PathBuffer))
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{
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DPRINT("Create: %S\n", PathBuffer);
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Status = SetupCreateSingleDirectory(PathBuffer);
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if (!NT_SUCCESS(Status))
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goto done;
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}
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*Ptr = L'\\';
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}
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Ptr++;
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}
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if (!DoesPathExist(NULL, PathBuffer))
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{
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DPRINT("Create: %S\n", PathBuffer);
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Status = SetupCreateSingleDirectory(PathBuffer);
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if (!NT_SUCCESS(Status))
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goto done;
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}
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done:
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DPRINT("Done.\n");
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if (PathBuffer != NULL)
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RtlFreeHeap(RtlGetProcessHeap(), 0, PathBuffer);
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return Status;
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}
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NTSTATUS
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SetupDeleteFile(
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IN PCWSTR FileName,
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IN BOOLEAN ForceDelete) // ForceDelete can be used to delete read-only files
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{
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NTSTATUS Status;
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UNICODE_STRING NtPathU;
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OBJECT_ATTRIBUTES ObjectAttributes;
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IO_STATUS_BLOCK IoStatusBlock;
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HANDLE FileHandle;
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FILE_DISPOSITION_INFORMATION FileDispInfo;
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BOOLEAN RetryOnce = FALSE;
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/* Open the directory name that was passed in */
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RtlInitUnicodeString(&NtPathU, FileName);
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InitializeObjectAttributes(&ObjectAttributes,
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&NtPathU,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Retry: // We go back there once if RetryOnce == TRUE
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Status = NtOpenFile(&FileHandle,
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DELETE | FILE_READ_ATTRIBUTES |
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(RetryOnce ? FILE_WRITE_ATTRIBUTES : 0),
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&ObjectAttributes,
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&IoStatusBlock,
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FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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FILE_NON_DIRECTORY_FILE | FILE_OPEN_FOR_BACKUP_INTENT);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("NtOpenFile failed with Status 0x%08lx\n", Status);
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return Status;
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}
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if (RetryOnce)
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{
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FILE_BASIC_INFORMATION FileInformation;
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Status = NtQueryInformationFile(FileHandle,
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&IoStatusBlock,
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&FileInformation,
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sizeof(FILE_BASIC_INFORMATION),
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FileBasicInformation);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("NtQueryInformationFile failed with Status 0x%08lx\n", Status);
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NtClose(FileHandle);
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return Status;
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}
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FileInformation.FileAttributes = FILE_ATTRIBUTE_NORMAL;
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Status = NtSetInformationFile(FileHandle,
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&IoStatusBlock,
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&FileInformation,
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sizeof(FILE_BASIC_INFORMATION),
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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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DPRINT1("NtSetInformationFile failed with Status 0x%08lx\n", Status);
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return Status;
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}
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}
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/* Ask for the file to be deleted */
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FileDispInfo.DeleteFile = TRUE;
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Status = NtSetInformationFile(FileHandle,
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&IoStatusBlock,
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&FileDispInfo,
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sizeof(FILE_DISPOSITION_INFORMATION),
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FileDispositionInformation);
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NtClose(FileHandle);
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if (!NT_SUCCESS(Status))
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DPRINT1("Deletion of file '%S' failed, Status 0x%08lx\n", FileName, Status);
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// FIXME: Check the precise value of Status!
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if (!NT_SUCCESS(Status) && ForceDelete && !RetryOnce)
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{
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/* Retry once */
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RetryOnce = TRUE;
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goto Retry;
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}
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/* Return result to the caller */
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return Status;
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}
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NTSTATUS
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SetupCopyFile(
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IN PCWSTR SourceFileName,
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IN PCWSTR DestinationFileName,
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IN BOOLEAN FailIfExists)
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{
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NTSTATUS Status;
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UNICODE_STRING FileName;
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OBJECT_ATTRIBUTES ObjectAttributes;
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HANDLE FileHandleSource;
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HANDLE FileHandleDest;
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IO_STATUS_BLOCK IoStatusBlock;
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FILE_STANDARD_INFORMATION FileStandard;
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FILE_BASIC_INFORMATION FileBasic;
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ULONG RegionSize;
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HANDLE SourceFileSection;
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PVOID SourceFileMap = NULL;
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SIZE_T SourceSectionSize = 0;
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LARGE_INTEGER ByteOffset;
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RtlInitUnicodeString(&FileName, SourceFileName);
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InitializeObjectAttributes(&ObjectAttributes,
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&FileName,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Status = NtOpenFile(&FileHandleSource,
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GENERIC_READ,
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&ObjectAttributes,
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&IoStatusBlock,
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FILE_SHARE_READ,
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FILE_SEQUENTIAL_ONLY);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("NtOpenFile failed: %x, %wZ\n", Status, &FileName);
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goto done;
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}
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Status = NtQueryInformationFile(FileHandleSource,
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&IoStatusBlock,
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&FileStandard,
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sizeof(FILE_STANDARD_INFORMATION),
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FileStandardInformation);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("NtQueryInformationFile failed: %x\n", Status);
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goto closesrc;
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}
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Status = NtQueryInformationFile(FileHandleSource,
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&IoStatusBlock,
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&FileBasic,
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sizeof(FILE_BASIC_INFORMATION),
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FileBasicInformation);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("NtQueryInformationFile failed: %x\n", Status);
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goto closesrc;
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}
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Status = NtCreateSection(&SourceFileSection,
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SECTION_MAP_READ,
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NULL,
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NULL,
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PAGE_READONLY,
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SEC_COMMIT,
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FileHandleSource);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("NtCreateSection failed: %x, %S\n", Status, SourceFileName);
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goto closesrc;
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}
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Status = NtMapViewOfSection(SourceFileSection,
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NtCurrentProcess(),
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&SourceFileMap,
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0,
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0,
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NULL,
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&SourceSectionSize,
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ViewUnmap,
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0,
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PAGE_READONLY);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("NtMapViewOfSection failed: %x, %S\n", Status, SourceFileName);
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goto closesrcsec;
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}
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RtlInitUnicodeString(&FileName, DestinationFileName);
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InitializeObjectAttributes(&ObjectAttributes,
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&FileName,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Status = NtCreateFile(&FileHandleDest,
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GENERIC_WRITE | SYNCHRONIZE,
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&ObjectAttributes,
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&IoStatusBlock,
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NULL,
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FileBasic.FileAttributes, // FILE_ATTRIBUTE_NORMAL,
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0,
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FailIfExists ? FILE_CREATE : FILE_OVERWRITE_IF,
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FILE_NO_INTERMEDIATE_BUFFERING |
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FILE_SEQUENTIAL_ONLY |
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FILE_SYNCHRONOUS_IO_NONALERT,
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NULL,
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0);
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if (!NT_SUCCESS(Status))
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{
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/* Open may have failed because the file to overwrite
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* is in readonly mode
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*/
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if (Status == STATUS_ACCESS_DENIED)
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{
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FILE_BASIC_INFORMATION FileBasicInfo;
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/* Reattempt to open it with limited access */
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Status = NtCreateFile(&FileHandleDest,
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FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
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&ObjectAttributes,
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&IoStatusBlock,
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NULL,
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FILE_ATTRIBUTE_NORMAL,
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0,
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FILE_OPEN,
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FILE_NO_INTERMEDIATE_BUFFERING |
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FILE_SEQUENTIAL_ONLY |
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FILE_SYNCHRONOUS_IO_NONALERT,
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NULL,
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0);
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/* Fail for real if we cannot open it that way */
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("NtCreateFile failed: %x, %wZ\n", Status, &FileName);
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goto unmapsrcsec;
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}
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/* Zero our basic info, just to set attributes */
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RtlZeroMemory(&FileBasicInfo, sizeof(FileBasicInfo));
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/* Reset attributes to normal, no read-only */
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FileBasicInfo.FileAttributes = FILE_ATTRIBUTE_NORMAL;
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/* We basically don't care about whether it succeed:
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* if it didn't, later open will fail
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*/
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NtSetInformationFile(FileHandleDest, &IoStatusBlock, &FileBasicInfo,
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sizeof(FileBasicInfo), FileBasicInformation);
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/* Close file */
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NtClose(FileHandleDest);
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/* And re-attempt overwrite */
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Status = NtCreateFile(&FileHandleDest,
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GENERIC_WRITE | SYNCHRONIZE,
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&ObjectAttributes,
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&IoStatusBlock,
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NULL,
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FILE_ATTRIBUTE_NORMAL,
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0,
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FILE_OVERWRITE_IF,
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FILE_NO_INTERMEDIATE_BUFFERING |
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FILE_SEQUENTIAL_ONLY |
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FILE_SYNCHRONOUS_IO_NONALERT,
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NULL,
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0);
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}
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/* We failed */
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("NtCreateFile failed: %x, %wZ\n", Status, &FileName);
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goto unmapsrcsec;
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}
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}
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RegionSize = (ULONG)PAGE_ROUND_UP(FileStandard.EndOfFile.u.LowPart);
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IoStatusBlock.Status = 0;
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ByteOffset.QuadPart = 0ULL;
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Status = NtWriteFile(FileHandleDest,
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NULL,
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NULL,
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NULL,
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&IoStatusBlock,
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SourceFileMap,
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RegionSize,
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&ByteOffset,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("NtWriteFile failed: %x:%x, iosb: %p src: %p, size: %x\n",
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Status, IoStatusBlock.Status, &IoStatusBlock, SourceFileMap, RegionSize);
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goto closedest;
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}
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/* Copy file date/time from source file */
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Status = NtSetInformationFile(FileHandleDest,
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&IoStatusBlock,
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&FileBasic,
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sizeof(FILE_BASIC_INFORMATION),
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FileBasicInformation);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("NtSetInformationFile failed: %x\n", Status);
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goto closedest;
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}
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/* Shorten the file back to its real size after completing the write */
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Status = NtSetInformationFile(FileHandleDest,
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&IoStatusBlock,
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&FileStandard.EndOfFile,
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sizeof(FILE_END_OF_FILE_INFORMATION),
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FileEndOfFileInformation);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("NtSetInformationFile failed: %x\n", Status);
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}
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closedest:
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NtClose(FileHandleDest);
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unmapsrcsec:
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NtUnmapViewOfSection(NtCurrentProcess(), SourceFileMap);
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closesrcsec:
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NtClose(SourceFileSection);
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closesrc:
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NtClose(FileHandleSource);
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done:
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return Status;
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}
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/*
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* Synchronized with its kernel32 counterpart, but we don't manage reparse points here.
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*/
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NTSTATUS
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SetupMoveFile(
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IN PCWSTR ExistingFileName,
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IN PCWSTR NewFileName,
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IN ULONG Flags)
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{
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NTSTATUS Status;
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IO_STATUS_BLOCK IoStatusBlock;
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OBJECT_ATTRIBUTES ObjectAttributes;
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PFILE_RENAME_INFORMATION RenameInfo;
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UNICODE_STRING NewPathU, ExistingPathU;
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HANDLE SourceHandle = NULL;
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BOOLEAN ReplaceIfExists;
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RtlInitUnicodeString(&ExistingPathU, ExistingFileName);
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RtlInitUnicodeString(&NewPathU, NewFileName);
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_SEH2_TRY
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{
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ReplaceIfExists = !!(Flags & MOVEFILE_REPLACE_EXISTING);
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|
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/* Unless we manage a proper opening, we'll attempt to reopen without reparse support */
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InitializeObjectAttributes(&ObjectAttributes,
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&ExistingPathU,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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/* Attempt to open source file */
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Status = NtOpenFile(&SourceHandle,
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FILE_READ_ATTRIBUTES | DELETE | SYNCHRONIZE,
|
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&ObjectAttributes,
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&IoStatusBlock,
|
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FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
|
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FILE_OPEN_FOR_BACKUP_INTENT | ((Flags & MOVEFILE_WRITE_THROUGH) ? FILE_WRITE_THROUGH : 0));
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if (!NT_SUCCESS(Status))
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{
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if (Status != STATUS_INVALID_PARAMETER)
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{
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_SEH2_LEAVE;
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}
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}
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/* At that point, we MUST have a source handle */
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ASSERT(SourceHandle);
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/* Allocate renaming buffer and fill it */
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RenameInfo = RtlAllocateHeap(RtlGetProcessHeap(), 0, NewPathU.Length + sizeof(FILE_RENAME_INFORMATION));
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if (RenameInfo == NULL)
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{
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Status = STATUS_NO_MEMORY;
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_SEH2_LEAVE;
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}
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RtlCopyMemory(&RenameInfo->FileName, NewPathU.Buffer, NewPathU.Length);
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RenameInfo->ReplaceIfExists = ReplaceIfExists;
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RenameInfo->RootDirectory = NULL;
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RenameInfo->FileNameLength = NewPathU.Length;
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/* Attempt to rename the file */
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Status = NtSetInformationFile(SourceHandle,
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&IoStatusBlock,
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RenameInfo,
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NewPathU.Length + sizeof(FILE_RENAME_INFORMATION),
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FileRenameInformation);
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RtlFreeHeap(RtlGetProcessHeap(), 0, RenameInfo);
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if (NT_SUCCESS(Status))
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{
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/* If it succeeded, all fine, quit */
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_SEH2_LEAVE;
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}
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/*
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* If we failed for any other reason than not the same device, fail.
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* If we failed because of different devices, only allow renaming
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* if user allowed copy.
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*/
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if (Status != STATUS_NOT_SAME_DEVICE || !(Flags & MOVEFILE_COPY_ALLOWED))
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{
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/* ReactOS hack! To be removed once all FSD have proper renaming support
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* Just leave status to error and leave
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*/
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if (Status == STATUS_NOT_IMPLEMENTED)
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{
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DPRINT1("Forcing copy, renaming not supported by FSD\n");
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}
|
|
else
|
|
{
|
|
_SEH2_LEAVE;
|
|
}
|
|
}
|
|
|
|
/* Close the source file */
|
|
NtClose(SourceHandle);
|
|
SourceHandle = NULL;
|
|
|
|
/* Perform the file copy */
|
|
Status = SetupCopyFile(ExistingFileName,
|
|
NewFileName,
|
|
!ReplaceIfExists);
|
|
|
|
/* If it succeeded, delete the source file */
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
/* Force-delete files even if read-only */
|
|
SetupDeleteFile(ExistingFileName, TRUE);
|
|
}
|
|
}
|
|
_SEH2_FINALLY
|
|
{
|
|
if (SourceHandle)
|
|
NtClose(SourceHandle);
|
|
}
|
|
_SEH2_END;
|
|
|
|
return Status;
|
|
}
|
|
|
|
NTSTATUS
|
|
SetupExtractFile(
|
|
PWCHAR CabinetFileName,
|
|
PWCHAR SourceFileName,
|
|
PWCHAR DestinationPathName)
|
|
{
|
|
ULONG CabStatus;
|
|
|
|
DPRINT("SetupExtractFile(CabinetFileName %S, SourceFileName %S, DestinationPathName %S)\n",
|
|
CabinetFileName, SourceFileName, DestinationPathName);
|
|
|
|
if (HasCurrentCabinet)
|
|
{
|
|
DPRINT("CurrentCabinetName: %S\n", CurrentCabinetName);
|
|
}
|
|
|
|
if ((HasCurrentCabinet) && (wcscmp(CabinetFileName, CurrentCabinetName) == 0))
|
|
{
|
|
DPRINT("Using same cabinet as last time\n");
|
|
|
|
/* Use our last location because the files should be sequential */
|
|
CabStatus = CabinetFindNextFileSequential(SourceFileName, &Search);
|
|
if (CabStatus != CAB_STATUS_SUCCESS)
|
|
{
|
|
DPRINT("Sequential miss on file: %S\n", SourceFileName);
|
|
|
|
/* Looks like we got unlucky */
|
|
CabStatus = CabinetFindFirst(SourceFileName, &Search);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
DPRINT("Using new cabinet\n");
|
|
|
|
if (HasCurrentCabinet)
|
|
{
|
|
CabinetCleanup();
|
|
}
|
|
|
|
wcscpy(CurrentCabinetName, CabinetFileName);
|
|
|
|
CabinetInitialize();
|
|
CabinetSetEventHandlers(NULL, NULL, NULL);
|
|
CabinetSetCabinetName(CabinetFileName);
|
|
|
|
CabStatus = CabinetOpen();
|
|
if (CabStatus == CAB_STATUS_SUCCESS)
|
|
{
|
|
DPRINT("Opened cabinet %S\n", CabinetGetCabinetName());
|
|
HasCurrentCabinet = TRUE;
|
|
}
|
|
else
|
|
{
|
|
DPRINT("Cannot open cabinet (%d)\n", CabStatus);
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
/* We have to start at the beginning here */
|
|
CabStatus = CabinetFindFirst(SourceFileName, &Search);
|
|
}
|
|
|
|
if (CabStatus != CAB_STATUS_SUCCESS)
|
|
{
|
|
DPRINT1("Unable to find '%S' in cabinet '%S'\n", SourceFileName, CabinetGetCabinetName());
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
CabinetSetDestinationPath(DestinationPathName);
|
|
CabStatus = CabinetExtractFile(&Search);
|
|
if (CabStatus != CAB_STATUS_SUCCESS)
|
|
{
|
|
DPRINT("Cannot extract file %S (%d)\n", SourceFileName, CabStatus);
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
BOOLEAN
|
|
IsValidPath(
|
|
IN PCWSTR InstallDir)
|
|
{
|
|
UINT i, Length;
|
|
|
|
Length = wcslen(InstallDir);
|
|
|
|
// TODO: Add check for 8.3 too.
|
|
|
|
/* Path must be at least 2 characters long */
|
|
// if (Length < 2)
|
|
// return FALSE;
|
|
|
|
/* Path must start with a backslash */
|
|
// if (InstallDir[0] != L'\\')
|
|
// return FALSE;
|
|
|
|
/* Path must not end with a backslash */
|
|
if (InstallDir[Length - 1] == L'\\')
|
|
return FALSE;
|
|
|
|
/* Path must not contain whitespace characters */
|
|
for (i = 0; i < Length; i++)
|
|
{
|
|
if (iswspace(InstallDir[i]))
|
|
return FALSE;
|
|
}
|
|
|
|
/* Path component must not end with a dot */
|
|
for (i = 0; i < Length; i++)
|
|
{
|
|
if (InstallDir[i] == L'\\' && i > 0)
|
|
{
|
|
if (InstallDir[i - 1] == L'.')
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
if (InstallDir[Length - 1] == L'.')
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* EOF */
|