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6f185c5fe2
DIRECTORY_ALL_ACCESS is not the correct flag, because it is used with the NtCreateDirectoryObject API that creates virtual "directories" in the NT object namespace; that's not our purpose here. svn path=/branches/setup_improvements/; revision=74716
507 lines
15 KiB
C
507 lines
15 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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SetupCopyFile(
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PWCHAR SourceFileName,
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PWCHAR DestinationFileName)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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HANDLE FileHandleSource;
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HANDLE FileHandleDest;
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static 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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UNICODE_STRING FileName;
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NTSTATUS Status;
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PVOID SourceFileMap = 0;
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HANDLE SourceFileSection;
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SIZE_T SourceSectionSize = 0;
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LARGE_INTEGER ByteOffset;
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RtlInitUnicodeString(&FileName,
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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,&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,
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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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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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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", 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 it's 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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NTSTATUS
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SetupExtractFile(
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PWCHAR CabinetFileName,
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PWCHAR SourceFileName,
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PWCHAR DestinationPathName)
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{
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ULONG CabStatus;
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DPRINT("SetupExtractFile(CabinetFileName %S, SourceFileName %S, DestinationPathName %S)\n",
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CabinetFileName, SourceFileName, DestinationPathName);
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if (HasCurrentCabinet)
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{
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DPRINT("CurrentCabinetName: %S\n", CurrentCabinetName);
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}
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if ((HasCurrentCabinet) && (wcscmp(CabinetFileName, CurrentCabinetName) == 0))
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{
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DPRINT("Using same cabinet as last time\n");
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/* Use our last location because the files should be sequential */
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CabStatus = CabinetFindNextFileSequential(SourceFileName, &Search);
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if (CabStatus != CAB_STATUS_SUCCESS)
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{
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DPRINT("Sequential miss on file: %S\n", SourceFileName);
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/* Looks like we got unlucky */
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CabStatus = CabinetFindFirst(SourceFileName, &Search);
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}
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}
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else
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{
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DPRINT("Using new cabinet\n");
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if (HasCurrentCabinet)
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{
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CabinetCleanup();
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}
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wcscpy(CurrentCabinetName, CabinetFileName);
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CabinetInitialize();
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CabinetSetEventHandlers(NULL, NULL, NULL);
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CabinetSetCabinetName(CabinetFileName);
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CabStatus = CabinetOpen();
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if (CabStatus == CAB_STATUS_SUCCESS)
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{
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DPRINT("Opened cabinet %S\n", CabinetGetCabinetName());
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HasCurrentCabinet = TRUE;
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}
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else
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{
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DPRINT("Cannot open cabinet (%d)\n", CabStatus);
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return STATUS_UNSUCCESSFUL;
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}
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/* We have to start at the beginning here */
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CabStatus = CabinetFindFirst(SourceFileName, &Search);
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}
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if (CabStatus != CAB_STATUS_SUCCESS)
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{
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DPRINT1("Unable to find '%S' in cabinet '%S'\n", SourceFileName, CabinetGetCabinetName());
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return STATUS_UNSUCCESSFUL;
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}
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CabinetSetDestinationPath(DestinationPathName);
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CabStatus = CabinetExtractFile(&Search);
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if (CabStatus != CAB_STATUS_SUCCESS)
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{
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DPRINT("Cannot extract file %S (%d)\n", SourceFileName, CabStatus);
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return STATUS_UNSUCCESSFUL;
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}
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return STATUS_SUCCESS;
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}
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BOOLEAN
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IsValidPath(
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IN PCWSTR InstallDir)
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{
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UINT i, Length;
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Length = wcslen(InstallDir);
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// TODO: Add check for 8.3 too.
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/* Path must be at least 2 characters long */
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// if (Length < 2)
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// return FALSE;
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/* Path must start with a backslash */
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// if (InstallDir[0] != L'\\')
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// return FALSE;
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/* Path must not end with a backslash */
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if (InstallDir[Length - 1] == L'\\')
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return FALSE;
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/* Path must not contain whitespace characters */
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for (i = 0; i < Length; i++)
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{
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if (iswspace(InstallDir[i]))
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return FALSE;
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}
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/* Path component must not end with a dot */
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for (i = 0; i < Length; i++)
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{
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if (InstallDir[i] == L'\\' && i > 0)
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{
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if (InstallDir[i - 1] == L'.')
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return FALSE;
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}
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}
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if (InstallDir[Length - 1] == L'.')
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return FALSE;
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return TRUE;
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}
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/* EOF */
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