*/
/* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS text-mode setup
- * FILE: subsys/system/usetup/filesup.c
+ * FILE: base/setup/usetup/filesup.c
* PURPOSE: File support functions
* PROGRAMMER: Eric Kohl
* Casper S. Hornstrup (chorns@users.sourceforge.net)
static WCHAR CurrentCabinetName[MAX_PATH];
static CAB_SEARCH Search;
+static
NTSTATUS
-SetupCreateDirectory(PWCHAR DirectoryName)
+SetupCreateSingleDirectory(
+ PWCHAR DirectoryName)
{
- OBJECT_ATTRIBUTES ObjectAttributes;
- IO_STATUS_BLOCK IoStatusBlock;
- UNICODE_STRING PathName;
- HANDLE DirectoryHandle;
- NTSTATUS Status;
-
- RtlCreateUnicodeString(&PathName,
- DirectoryName);
- if (PathName.Length > sizeof(WCHAR) &&
- PathName.Buffer[PathName.Length / sizeof(WCHAR) - 2] == L'\\' &&
- PathName.Buffer[PathName.Length / sizeof(WCHAR) - 1] == L'.')
- {
- PathName.Length -= sizeof(WCHAR);
- PathName.Buffer[PathName.Length / sizeof(WCHAR)] = 0;
- }
-
- if (PathName.Length > sizeof(WCHAR) &&
- PathName.Buffer[PathName.Length / sizeof(WCHAR) - 1] == L'\\')
- {
- PathName.Length -= sizeof(WCHAR);
- PathName.Buffer[PathName.Length / sizeof(WCHAR)] = 0;
- }
-
- InitializeObjectAttributes(&ObjectAttributes,
- &PathName,
- OBJ_CASE_INSENSITIVE | OBJ_INHERIT,
- NULL,
- NULL);
-
- Status = NtCreateFile(&DirectoryHandle,
- DIRECTORY_ALL_ACCESS,
- &ObjectAttributes,
- &IoStatusBlock,
- NULL,
- FILE_ATTRIBUTE_DIRECTORY,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- FILE_OPEN_IF,
- FILE_DIRECTORY_FILE,
- NULL,
- 0);
- if (NT_SUCCESS(Status))
- {
- NtClose(DirectoryHandle);
- }
-
- RtlFreeUnicodeString(&PathName);
-
- return(Status);
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ IO_STATUS_BLOCK IoStatusBlock;
+ UNICODE_STRING PathName;
+ HANDLE DirectoryHandle;
+ NTSTATUS Status;
+
+ if(!RtlCreateUnicodeString(&PathName, DirectoryName))
+ return STATUS_NO_MEMORY;
+
+ if (PathName.Length > sizeof(WCHAR) &&
+ PathName.Buffer[PathName.Length / sizeof(WCHAR) - 2] == L'\\' &&
+ PathName.Buffer[PathName.Length / sizeof(WCHAR) - 1] == L'.')
+ {
+ PathName.Length -= sizeof(WCHAR);
+ PathName.Buffer[PathName.Length / sizeof(WCHAR)] = 0;
+ }
+
+ if (PathName.Length > sizeof(WCHAR) &&
+ PathName.Buffer[PathName.Length / sizeof(WCHAR) - 1] == L'\\')
+ {
+ PathName.Length -= sizeof(WCHAR);
+ PathName.Buffer[PathName.Length / sizeof(WCHAR)] = 0;
+ }
+
+ InitializeObjectAttributes(&ObjectAttributes,
+ &PathName,
+ OBJ_CASE_INSENSITIVE | OBJ_INHERIT,
+ NULL,
+ NULL);
+
+ Status = NtCreateFile(&DirectoryHandle,
+ DIRECTORY_ALL_ACCESS,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ NULL,
+ FILE_ATTRIBUTE_DIRECTORY,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ FILE_OPEN_IF,
+ FILE_DIRECTORY_FILE,
+ NULL,
+ 0);
+ if (NT_SUCCESS(Status))
+ {
+ NtClose(DirectoryHandle);
+ }
+
+ RtlFreeUnicodeString(&PathName);
+
+ return Status;
}
+NTSTATUS
+SetupCreateDirectory(
+ PWCHAR PathName)
+{
+ PWCHAR PathBuffer = NULL;
+ PWCHAR Ptr, EndPtr;
+ ULONG BackslashCount;
+ ULONG Size;
+ NTSTATUS Status = STATUS_SUCCESS;
+
+ Size = (wcslen(PathName) + 1) * sizeof(WCHAR);
+ PathBuffer = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, Size);
+ if (PathBuffer == NULL)
+ return STATUS_INSUFFICIENT_RESOURCES;
+
+ wcscpy(PathBuffer, PathName);
+ EndPtr = PathBuffer + wcslen(PathName);
+
+ Ptr = PathBuffer;
+
+ /* Skip the '\Device\HarddiskX\PartitionY\ part */
+ BackslashCount = 0;
+ while (Ptr < EndPtr && BackslashCount < 4)
+ {
+ if (*Ptr == L'\\')
+ BackslashCount++;
+
+ Ptr++;
+ }
+
+ while (Ptr < EndPtr)
+ {
+ if (*Ptr == L'\\')
+ {
+ *Ptr = 0;
+
+ DPRINT("PathBuffer: %S\n", PathBuffer);
+ if (!DoesPathExist(NULL, PathBuffer))
+ {
+ DPRINT("Create: %S\n", PathBuffer);
+ Status = SetupCreateSingleDirectory(PathBuffer);
+ if (!NT_SUCCESS(Status))
+ goto done;
+ }
+
+ *Ptr = L'\\';
+ }
+
+ Ptr++;
+ }
+
+ if (!DoesPathExist(NULL, PathBuffer))
+ {
+ DPRINT("Create: %S\n", PathBuffer);
+ Status = SetupCreateSingleDirectory(PathBuffer);
+ if (!NT_SUCCESS(Status))
+ goto done;
+ }
+
+done:
+ DPRINT("Done.\n");
+ if (PathBuffer != NULL)
+ RtlFreeHeap(RtlGetProcessHeap(), 0, PathBuffer);
+
+ return Status;
+}
NTSTATUS
-SetupCopyFile(PWCHAR SourceFileName,
- PWCHAR DestinationFileName)
+SetupCopyFile(
+ PWCHAR SourceFileName,
+ PWCHAR DestinationFileName)
{
- OBJECT_ATTRIBUTES ObjectAttributes;
- HANDLE FileHandleSource;
- HANDLE FileHandleDest;
- static IO_STATUS_BLOCK IoStatusBlock;
- FILE_STANDARD_INFORMATION FileStandard;
- FILE_BASIC_INFORMATION FileBasic;
- ULONG RegionSize;
- UNICODE_STRING FileName;
- NTSTATUS Status;
- PVOID SourceFileMap = 0;
- HANDLE SourceFileSection;
- SIZE_T SourceSectionSize = 0;
- LARGE_INTEGER ByteOffset;
-
-#ifdef __REACTOS__
- RtlInitUnicodeString(&FileName,
- SourceFileName);
-
- InitializeObjectAttributes(&ObjectAttributes,
- &FileName,
- OBJ_CASE_INSENSITIVE,
- NULL,
- NULL);
-
- Status = NtOpenFile(&FileHandleSource,
- GENERIC_READ,
- &ObjectAttributes,
- &IoStatusBlock,
- FILE_SHARE_READ,
- FILE_SEQUENTIAL_ONLY);
- if(!NT_SUCCESS(Status))
- {
- DPRINT1("NtOpenFile failed: %x, %wZ\n", Status, &FileName);
- goto done;
- }
-#else
- FileHandleSource = CreateFileW(SourceFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
- if (FileHandleSource == INVALID_HANDLE_VALUE)
- {
- Status = STATUS_UNSUCCESSFUL;
- goto done;
- }
-#endif
-
- Status = NtQueryInformationFile(FileHandleSource,
- &IoStatusBlock,
- &FileStandard,
- sizeof(FILE_STANDARD_INFORMATION),
- FileStandardInformation);
- if(!NT_SUCCESS(Status))
- {
- DPRINT1("NtQueryInformationFile failed: %x\n", Status);
- goto closesrc;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ HANDLE FileHandleSource;
+ HANDLE FileHandleDest;
+ static IO_STATUS_BLOCK IoStatusBlock;
+ FILE_STANDARD_INFORMATION FileStandard;
+ FILE_BASIC_INFORMATION FileBasic;
+ ULONG RegionSize;
+ UNICODE_STRING FileName;
+ NTSTATUS Status;
+ PVOID SourceFileMap = 0;
+ HANDLE SourceFileSection;
+ SIZE_T SourceSectionSize = 0;
+ LARGE_INTEGER ByteOffset;
+
+ RtlInitUnicodeString(&FileName,
+ SourceFileName);
+
+ InitializeObjectAttributes(&ObjectAttributes,
+ &FileName,
+ OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
+
+ Status = NtOpenFile(&FileHandleSource,
+ GENERIC_READ,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ FILE_SHARE_READ,
+ FILE_SEQUENTIAL_ONLY);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("NtOpenFile failed: %x, %wZ\n", Status, &FileName);
+ goto done;
}
- Status = NtQueryInformationFile(FileHandleSource,
- &IoStatusBlock,&FileBasic,
- sizeof(FILE_BASIC_INFORMATION),
- FileBasicInformation);
- if(!NT_SUCCESS(Status))
+
+ Status = NtQueryInformationFile(FileHandleSource,
+ &IoStatusBlock,
+ &FileStandard,
+ sizeof(FILE_STANDARD_INFORMATION),
+ FileStandardInformation);
+ if (!NT_SUCCESS(Status))
{
- DPRINT1("NtQueryInformationFile failed: %x\n", Status);
- goto closesrc;
+ DPRINT1("NtQueryInformationFile failed: %x\n", Status);
+ goto closesrc;
+ }
+
+ Status = NtQueryInformationFile(FileHandleSource,
+ &IoStatusBlock,&FileBasic,
+ sizeof(FILE_BASIC_INFORMATION),
+ FileBasicInformation);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("NtQueryInformationFile failed: %x\n", Status);
+ goto closesrc;
}
- Status = NtCreateSection( &SourceFileSection,
- SECTION_MAP_READ,
- NULL,
- NULL,
- PAGE_READONLY,
- SEC_COMMIT,
- FileHandleSource);
- if(!NT_SUCCESS(Status))
+ Status = NtCreateSection(&SourceFileSection,
+ SECTION_MAP_READ,
+ NULL,
+ NULL,
+ PAGE_READONLY,
+ SEC_COMMIT,
+ FileHandleSource);
+ if (!NT_SUCCESS(Status))
{
DPRINT1("NtCreateSection failed: %x, %S\n", Status, SourceFileName);
goto closesrc;
}
- Status = NtMapViewOfSection( SourceFileSection,
- NtCurrentProcess(),
- &SourceFileMap,
- 0,
- 0,
- NULL,
- &SourceSectionSize,
- ViewUnmap,
- 0,
- PAGE_READONLY );
- if(!NT_SUCCESS(Status))
- {
- DPRINT1("NtMapViewOfSection failed: %x, %S\n", Status, SourceFileName);
- goto closesrcsec;
- }
-
- RtlInitUnicodeString(&FileName,
- DestinationFileName);
-
- InitializeObjectAttributes(&ObjectAttributes,
- &FileName,
- OBJ_CASE_INSENSITIVE,
- NULL,
- NULL);
-
- Status = NtCreateFile(&FileHandleDest,
- GENERIC_WRITE | SYNCHRONIZE,
- &ObjectAttributes,
- &IoStatusBlock,
- NULL,
- FILE_ATTRIBUTE_NORMAL,
- 0,
- FILE_OVERWRITE_IF,
- FILE_NO_INTERMEDIATE_BUFFERING |
- FILE_SEQUENTIAL_ONLY |
- FILE_SYNCHRONOUS_IO_NONALERT,
- NULL,
- 0);
- if(!NT_SUCCESS(Status))
- {
- DPRINT1("NtCreateFile failed: %x\n", Status);
- goto unmapsrcsec;
- }
-
- RegionSize = (ULONG)PAGE_ROUND_UP(FileStandard.EndOfFile.u.LowPart);
- IoStatusBlock.Status = 0;
- ByteOffset.QuadPart = 0;
- Status = NtWriteFile(FileHandleDest,
- NULL,
- NULL,
- NULL,
- &IoStatusBlock,
- SourceFileMap,
- RegionSize,
- &ByteOffset,
- NULL);
- if(!NT_SUCCESS(Status))
- {
- DPRINT1("NtWriteFile failed: %x:%x, iosb: %p src: %p, size: %x\n", Status, IoStatusBlock.Status, &IoStatusBlock, SourceFileMap, RegionSize);
- goto closedest;
- }
- /* Copy file date/time from source file */
- Status = NtSetInformationFile(FileHandleDest,
- &IoStatusBlock,
- &FileBasic,
- sizeof(FILE_BASIC_INFORMATION),
- FileBasicInformation);
- if(!NT_SUCCESS(Status))
- {
- DPRINT1("NtSetInformationFile failed: %x\n", Status);
- goto closedest;
- }
-
- /* shorten the file back to it's real size after completing the write */
- Status = NtSetInformationFile(FileHandleDest,
- &IoStatusBlock,
- &FileStandard.EndOfFile,
- sizeof(FILE_END_OF_FILE_INFORMATION),
- FileEndOfFileInformation);
-
- if(!NT_SUCCESS(Status))
- {
- DPRINT1("NtSetInformationFile failed: %x\n", Status);
- }
-
- closedest:
- NtClose(FileHandleDest);
- unmapsrcsec:
- NtUnmapViewOfSection( NtCurrentProcess(), SourceFileMap );
- closesrcsec:
- NtClose(SourceFileSection);
- closesrc:
- NtClose(FileHandleSource);
- done:
- return(Status);
+ Status = NtMapViewOfSection(SourceFileSection,
+ NtCurrentProcess(),
+ &SourceFileMap,
+ 0,
+ 0,
+ NULL,
+ &SourceSectionSize,
+ ViewUnmap,
+ 0,
+ PAGE_READONLY );
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("NtMapViewOfSection failed: %x, %S\n", Status, SourceFileName);
+ goto closesrcsec;
+ }
+
+ RtlInitUnicodeString(&FileName,
+ DestinationFileName);
+
+ InitializeObjectAttributes(&ObjectAttributes,
+ &FileName,
+ OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
+
+ Status = NtCreateFile(&FileHandleDest,
+ GENERIC_WRITE | SYNCHRONIZE,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ NULL,
+ FILE_ATTRIBUTE_NORMAL,
+ 0,
+ FILE_OVERWRITE_IF,
+ FILE_NO_INTERMEDIATE_BUFFERING |
+ FILE_SEQUENTIAL_ONLY |
+ FILE_SYNCHRONOUS_IO_NONALERT,
+ NULL,
+ 0);
+ if (!NT_SUCCESS(Status))
+ {
+ /* Open may have failed because the file to overwrite
+ * is in readonly mode
+ */
+ if (Status == STATUS_ACCESS_DENIED)
+ {
+ FILE_BASIC_INFORMATION FileBasicInfo;
+
+ /* Reattempt to open it with limited access */
+ Status = NtCreateFile(&FileHandleDest,
+ FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ NULL,
+ FILE_ATTRIBUTE_NORMAL,
+ 0,
+ FILE_OPEN,
+ FILE_NO_INTERMEDIATE_BUFFERING |
+ FILE_SEQUENTIAL_ONLY |
+ FILE_SYNCHRONOUS_IO_NONALERT,
+ NULL,
+ 0);
+ /* Fail for real if we cannot open it that way */
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("NtCreateFile failed: %x, %wZ\n", Status, &FileName);
+ goto unmapsrcsec;
+ }
+
+ /* Zero our basic info, just to set attributes */
+ RtlZeroMemory(&FileBasicInfo, sizeof(FileBasicInfo));
+ /* Reset attributes to normal, no read-only */
+ FileBasicInfo.FileAttributes = FILE_ATTRIBUTE_NORMAL;
+ /* We basically don't care about whether it succeed:
+ * if it didn't, later open will fail
+ */
+ NtSetInformationFile(FileHandleDest, &IoStatusBlock, &FileBasicInfo,
+ sizeof(FileBasicInfo), FileBasicInformation);
+
+ /* Close file */
+ NtClose(FileHandleDest);
+
+ /* And re-attempt overwrite */
+ Status = NtCreateFile(&FileHandleDest,
+ GENERIC_WRITE | SYNCHRONIZE,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ NULL,
+ FILE_ATTRIBUTE_NORMAL,
+ 0,
+ FILE_OVERWRITE_IF,
+ FILE_NO_INTERMEDIATE_BUFFERING |
+ FILE_SEQUENTIAL_ONLY |
+ FILE_SYNCHRONOUS_IO_NONALERT,
+ NULL,
+ 0);
+ }
+
+ /* We failed */
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("NtCreateFile failed: %x, %wZ\n", Status, &FileName);
+ goto unmapsrcsec;
+ }
+ }
+
+ RegionSize = (ULONG)PAGE_ROUND_UP(FileStandard.EndOfFile.u.LowPart);
+ IoStatusBlock.Status = 0;
+ ByteOffset.QuadPart = 0ULL;
+ Status = NtWriteFile(FileHandleDest,
+ NULL,
+ NULL,
+ NULL,
+ &IoStatusBlock,
+ SourceFileMap,
+ RegionSize,
+ &ByteOffset,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("NtWriteFile failed: %x:%x, iosb: %p src: %p, size: %x\n", Status, IoStatusBlock.Status, &IoStatusBlock, SourceFileMap, RegionSize);
+ goto closedest;
+ }
+
+ /* Copy file date/time from source file */
+ Status = NtSetInformationFile(FileHandleDest,
+ &IoStatusBlock,
+ &FileBasic,
+ sizeof(FILE_BASIC_INFORMATION),
+ FileBasicInformation);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("NtSetInformationFile failed: %x\n", Status);
+ goto closedest;
+ }
+
+ /* shorten the file back to it's real size after completing the write */
+ Status = NtSetInformationFile(FileHandleDest,
+ &IoStatusBlock,
+ &FileStandard.EndOfFile,
+ sizeof(FILE_END_OF_FILE_INFORMATION),
+ FileEndOfFileInformation);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("NtSetInformationFile failed: %x\n", Status);
+ }
+
+closedest:
+ NtClose(FileHandleDest);
+
+unmapsrcsec:
+ NtUnmapViewOfSection(NtCurrentProcess(), SourceFileMap);
+
+closesrcsec:
+ NtClose(SourceFileSection);
+
+closesrc:
+ NtClose(FileHandleSource);
+
+done:
+ return Status;
}
-#ifdef __REACTOS__
+
NTSTATUS
-SetupExtractFile(PWCHAR CabinetFileName,
- PWCHAR SourceFileName,
- PWCHAR DestinationPathName)
+SetupExtractFile(
+ PWCHAR CabinetFileName,
+ PWCHAR SourceFileName,
+ PWCHAR DestinationPathName)
{
- ULONG CabStatus;
+ ULONG CabStatus;
- DPRINT("SetupExtractFile(CabinetFileName %S, SourceFileName %S, DestinationPathName %S)\n",
- CabinetFileName, SourceFileName, DestinationPathName);
+ DPRINT("SetupExtractFile(CabinetFileName %S, SourceFileName %S, DestinationPathName %S)\n",
+ CabinetFileName, SourceFileName, DestinationPathName);
- if (HasCurrentCabinet)
+ if (HasCurrentCabinet)
{
- DPRINT("CurrentCabinetName: %S\n", CurrentCabinetName);
+ DPRINT("CurrentCabinetName: %S\n", CurrentCabinetName);
}
- if ((HasCurrentCabinet) && (wcscmp(CabinetFileName, CurrentCabinetName) == 0))
+ if ((HasCurrentCabinet) && (wcscmp(CabinetFileName, CurrentCabinetName) == 0))
{
- DPRINT("Using same cabinet as last time\n");
+ 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);
- }
+ /* 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
+ else
{
- DPRINT("Using new cabinet\n");
+ DPRINT("Using new cabinet\n");
- if (HasCurrentCabinet)
+ if (HasCurrentCabinet)
{
- CabinetCleanup();
+ CabinetCleanup();
}
- wcscpy(CurrentCabinetName, CabinetFileName);
+ wcscpy(CurrentCabinetName, CabinetFileName);
- CabinetInitialize();
- CabinetSetEventHandlers(NULL, NULL, NULL);
- CabinetSetCabinetName(CabinetFileName);
+ CabinetInitialize();
+ CabinetSetEventHandlers(NULL, NULL, NULL);
+ CabinetSetCabinetName(CabinetFileName);
- CabStatus = CabinetOpen();
- if (CabStatus == CAB_STATUS_SUCCESS)
+ CabStatus = CabinetOpen();
+ if (CabStatus == CAB_STATUS_SUCCESS)
{
- DPRINT("Opened cabinet %S\n", CabinetGetCabinetName());
- HasCurrentCabinet = TRUE;
+ DPRINT("Opened cabinet %S\n", CabinetGetCabinetName());
+ HasCurrentCabinet = TRUE;
}
- else
+ 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)
{
- DPRINT("Cannot open cabinet (%d)\n", CabStatus);
- return STATUS_UNSUCCESSFUL;
+ if (InstallDir[i - 1] == L'.')
+ return FALSE;
}
-
- /* 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)
+ if (InstallDir[Length - 1] == L'.')
+ return FALSE;
+
+ return TRUE;
+}
+
+NTSTATUS
+ConcatPaths(
+ IN OUT PWSTR PathElem1,
+ IN SIZE_T cchPathSize,
+ IN PCWSTR PathElem2 OPTIONAL)
+{
+ NTSTATUS Status;
+ SIZE_T cchPathLen;
+
+ if (!PathElem2)
+ return STATUS_SUCCESS;
+ if (cchPathSize <= 1)
+ return STATUS_SUCCESS;
+
+ cchPathLen = min(cchPathSize, wcslen(PathElem1));
+
+ if (PathElem2[0] != L'\\' && cchPathLen > 0 && PathElem1[cchPathLen-1] != L'\\')
{
- DPRINT("Cannot extract file %S (%d)\n", SourceFileName, CabStatus);
- return STATUS_UNSUCCESSFUL;
+ /* PathElem2 does not start with '\' and PathElem1 does not end with '\' */
+ Status = RtlStringCchCatW(PathElem1, cchPathSize, L"\\");
+ if (!NT_SUCCESS(Status))
+ return Status;
}
+ else if (PathElem2[0] == L'\\' && cchPathLen > 0 && PathElem1[cchPathLen-1] == L'\\')
+ {
+ /* PathElem2 starts with '\' and PathElem1 ends with '\' */
+ while (*PathElem2 == L'\\')
+ ++PathElem2; // Skip any backslash
+ }
+ Status = RtlStringCchCatW(PathElem1, cchPathSize, PathElem2);
+ return Status;
+}
+
+//
+// NOTE: It may be possible to merge both DoesPathExist and DoesFileExist...
+//
+BOOLEAN
+DoesPathExist(
+ IN HANDLE RootDirectory OPTIONAL,
+ IN PCWSTR PathName)
+{
+ NTSTATUS Status;
+ HANDLE FileHandle;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ IO_STATUS_BLOCK IoStatusBlock;
+ UNICODE_STRING Name;
+
+ RtlInitUnicodeString(&Name, PathName);
+
+ InitializeObjectAttributes(&ObjectAttributes,
+ &Name,
+ OBJ_CASE_INSENSITIVE,
+ RootDirectory,
+ NULL);
+
+ Status = NtOpenFile(&FileHandle,
+ FILE_LIST_DIRECTORY | SYNCHRONIZE,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ FILE_SYNCHRONOUS_IO_NONALERT | FILE_DIRECTORY_FILE);
+ if (NT_SUCCESS(Status))
+ NtClose(FileHandle);
+ else
+ DPRINT1("Failed to open directory %wZ, Status 0x%08lx\n", &Name, Status);
+
+ return NT_SUCCESS(Status);
+}
- return STATUS_SUCCESS;
+BOOLEAN
+DoesFileExist(
+ IN HANDLE RootDirectory OPTIONAL,
+ IN PCWSTR PathName OPTIONAL,
+ IN PCWSTR FileName)
+{
+ NTSTATUS Status;
+ HANDLE FileHandle;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ IO_STATUS_BLOCK IoStatusBlock;
+ UNICODE_STRING Name;
+ WCHAR FullName[MAX_PATH];
+
+ if (PathName)
+ RtlStringCchCopyW(FullName, ARRAYSIZE(FullName), PathName);
+ else
+ FullName[0] = UNICODE_NULL;
+
+ if (FileName)
+ ConcatPaths(FullName, ARRAYSIZE(FullName), FileName);
+
+ RtlInitUnicodeString(&Name, FullName);
+
+ InitializeObjectAttributes(&ObjectAttributes,
+ &Name,
+ OBJ_CASE_INSENSITIVE,
+ RootDirectory,
+ NULL);
+
+ Status = NtOpenFile(&FileHandle,
+ GENERIC_READ | SYNCHRONIZE,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE);
+ if (NT_SUCCESS(Status))
+ NtClose(FileHandle);
+ else
+ DPRINT1("Failed to open file %wZ, Status 0x%08lx\n", &Name, Status);
+
+ return NT_SUCCESS(Status);
}
-#endif
+/*
+ * The format of NtPath should be:
+ * \Device\HarddiskXXX\PartitionYYY[\path] ,
+ * where XXX and YYY respectively represent the hard disk and partition numbers,
+ * and [\path] represent an optional path (separated by '\\').
+ *
+ * If a NT path of such a form is correctly parsed, the function returns respectively:
+ * - in pDiskNumber: the hard disk number XXX,
+ * - in pPartNumber: the partition number YYY,
+ * - in PathComponent: pointer value (inside NtPath) to the beginning of \path.
+ *
+ * NOTE: The function does not accept leading whitespace.
+ */
BOOLEAN
-DoesFileExist(PWSTR PathName,
- PWSTR FileName)
+NtPathToDiskPartComponents(
+ IN PCWSTR NtPath,
+ OUT PULONG pDiskNumber,
+ OUT PULONG pPartNumber,
+ OUT PCWSTR* PathComponent OPTIONAL)
{
- OBJECT_ATTRIBUTES ObjectAttributes;
- IO_STATUS_BLOCK IoStatusBlock;
- UNICODE_STRING Name;
- WCHAR FullName[MAX_PATH];
- HANDLE FileHandle;
- NTSTATUS Status;
+ ULONG DiskNumber, PartNumber;
+ PCWSTR Path;
+
+ *pDiskNumber = 0;
+ *pPartNumber = 0;
+ if (PathComponent) *PathComponent = NULL;
+
+ Path = NtPath;
+
+ if (_wcsnicmp(Path, L"\\Device\\Harddisk", 16) != 0)
+ {
+ /* The NT path doesn't start with the prefix string, thus it cannot be a hard disk device path */
+ DPRINT1("'%S' : Not a possible hard disk device.\n", NtPath);
+ return FALSE;
+ }
+
+ Path += 16;
+
+ /* A number must be present now */
+ if (!iswdigit(*Path))
+ {
+ DPRINT1("'%S' : expected a number! Not a regular hard disk device.\n", Path);
+ return FALSE;
+ }
+ DiskNumber = wcstoul(Path, (PWSTR*)&Path, 10);
+
+ /* Either NULL termination, or a path separator must be present now */
+ if (!Path)
+ {
+ DPRINT1("An error happened!\n");
+ return FALSE;
+ }
+ else if (*Path && *Path != OBJ_NAME_PATH_SEPARATOR)
+ {
+ DPRINT1("'%S' : expected a path separator!\n", Path);
+ return FALSE;
+ }
+
+ if (!*Path)
+ {
+ DPRINT1("The path only specified a hard disk (and nothing else, like a partition...), so we stop there.\n");
+ goto Quit;
+ }
+
+ /* Here, *Path == L'\\' */
+
+ if (_wcsnicmp(Path, L"\\Partition", 10) != 0)
+ {
+ /* Actually, \Partition is optional so, if we don't have it, we still return success. Or should we? */
+ DPRINT1("'%S' : unexpected format!\n", NtPath);
+ goto Quit;
+ }
+
+ Path += 10;
+
+ /* A number must be present now */
+ if (!iswdigit(*Path))
+ {
+ /* If we don't have a number it means this part of path is actually not a partition specifier, so we shouldn't fail either. Or should we? */
+ DPRINT1("'%S' : expected a number!\n", Path);
+ goto Quit;
+ }
+ PartNumber = wcstoul(Path, (PWSTR*)&Path, 10);
+
+ /* Either NULL termination, or a path separator must be present now */
+ if (!Path)
+ {
+ /* We fail here because wcstoul failed for whatever reason */
+ DPRINT1("An error happened!\n");
+ return FALSE;
+ }
+ else if (*Path && *Path != OBJ_NAME_PATH_SEPARATOR)
+ {
+ /* We shouldn't fail here because it just means this part of path is actually not a partition specifier. Or should we? */
+ DPRINT1("'%S' : expected a path separator!\n", Path);
+ goto Quit;
+ }
+
+ /* OK, here we really have a partition specifier: return its number */
+ *pPartNumber = PartNumber;
+
+Quit:
+ /* Return the disk number */
+ *pDiskNumber = DiskNumber;
+
+ /* Return the path component also, if the user wants it */
+ if (PathComponent) *PathComponent = Path;
+
+ return TRUE;
+}
- wcscpy(FullName, PathName);
- if (FileName != NULL)
+NTSTATUS
+OpenAndMapFile(
+ IN HANDLE RootDirectory OPTIONAL,
+ IN PCWSTR PathName OPTIONAL,
+ IN PCWSTR FileName, // OPTIONAL
+ OUT PHANDLE FileHandle, // IN OUT PHANDLE OPTIONAL
+ OUT PHANDLE SectionHandle,
+ OUT PVOID* BaseAddress,
+ OUT PULONG FileSize OPTIONAL)
+{
+ NTSTATUS Status;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ IO_STATUS_BLOCK IoStatusBlock;
+ SIZE_T ViewSize;
+ PVOID ViewBase;
+ UNICODE_STRING Name;
+ WCHAR FullName[MAX_PATH];
+
+ if (PathName)
+ RtlStringCchCopyW(FullName, ARRAYSIZE(FullName), PathName);
+ else
+ FullName[0] = UNICODE_NULL;
+
+ if (FileName)
+ ConcatPaths(FullName, ARRAYSIZE(FullName), FileName);
+
+ RtlInitUnicodeString(&Name, FullName);
+
+ InitializeObjectAttributes(&ObjectAttributes,
+ &Name,
+ OBJ_CASE_INSENSITIVE,
+ RootDirectory,
+ NULL);
+
+ *FileHandle = NULL;
+ *SectionHandle = NULL;
+
+ Status = NtOpenFile(FileHandle,
+ GENERIC_READ | SYNCHRONIZE,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ FILE_SHARE_READ,
+ FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE);
+ if (!NT_SUCCESS(Status))
{
- if (FileName[0] != L'\\')
- wcscat(FullName, L"\\");
- wcscat(FullName, FileName);
+ DPRINT1("Failed to open file %wZ, Status 0x%08lx\n", &Name, Status);
+ return Status;
}
- RtlInitUnicodeString(&Name,
- FullName);
+ if (FileSize)
+ {
+ /* Query the file size */
+ FILE_STANDARD_INFORMATION FileInfo;
+ Status = NtQueryInformationFile(*FileHandle,
+ &IoStatusBlock,
+ &FileInfo,
+ sizeof(FileInfo),
+ FileStandardInformation);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("NtQueryInformationFile() failed (Status %lx)\n", Status);
+ NtClose(*FileHandle);
+ *FileHandle = NULL;
+ return Status;
+ }
- InitializeObjectAttributes(&ObjectAttributes,
- &Name,
- OBJ_CASE_INSENSITIVE,
- NULL,
- NULL);
+ if (FileInfo.EndOfFile.HighPart != 0)
+ DPRINT1("WARNING!! The file %wZ is too large!\n", Name);
- Status = NtOpenFile(&FileHandle,
- GENERIC_READ | SYNCHRONIZE,
- &ObjectAttributes,
- &IoStatusBlock,
- 0,
- FILE_SYNCHRONOUS_IO_NONALERT);
- if (!NT_SUCCESS(Status))
+ *FileSize = FileInfo.EndOfFile.LowPart;
+
+ DPRINT("File size: %lu\n", *FileSize);
+ }
+
+ /* Map the file in memory */
+
+ /* Create the section */
+ Status = NtCreateSection(SectionHandle,
+ SECTION_MAP_READ,
+ NULL,
+ NULL,
+ PAGE_READONLY,
+ SEC_COMMIT /* | SEC_IMAGE (_NO_EXECUTE) */,
+ *FileHandle);
+ if (!NT_SUCCESS(Status))
{
- return(FALSE);
+ DPRINT1("Failed to create a memory section for file %wZ, Status 0x%08lx\n", &Name, Status);
+ NtClose(*FileHandle);
+ *FileHandle = NULL;
+ return Status;
}
- NtClose(FileHandle);
+ /* Map the section */
+ ViewSize = 0;
+ ViewBase = NULL;
+ Status = NtMapViewOfSection(*SectionHandle,
+ NtCurrentProcess(),
+ &ViewBase,
+ 0, 0,
+ NULL,
+ &ViewSize,
+ ViewShare,
+ 0,
+ PAGE_READONLY);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("Failed to map a view for file %wZ, Status 0x%08lx\n", &Name, Status);
+ NtClose(*SectionHandle);
+ *SectionHandle = NULL;
+ NtClose(*FileHandle);
+ *FileHandle = NULL;
+ return Status;
+ }
+
+ *BaseAddress = ViewBase;
+ return STATUS_SUCCESS;
+}
+
+BOOLEAN
+UnMapFile(
+ IN HANDLE SectionHandle,
+ IN PVOID BaseAddress)
+{
+ NTSTATUS Status;
+ BOOLEAN Success = TRUE;
+
+ Status = NtUnmapViewOfSection(NtCurrentProcess(), BaseAddress);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("UnMapFile: NtUnmapViewOfSection(0x%p) failed with Status 0x%08lx\n",
+ BaseAddress, Status);
+ Success = FALSE;
+ }
+ Status = NtClose(SectionHandle);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("UnMapFile: NtClose(0x%p) failed with Status 0x%08lx\n",
+ SectionHandle, Status);
+ Success = FALSE;
+ }
- return(TRUE);
+ return Success;
}
/* EOF */
projects / reactos.git / blobdiff