+++ /dev/null
-/*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS system libraries
- * FILE: dll/win32/kernel32/client/file/dir.c
- * PURPOSE: Directory functions
- * PROGRAMMER: Pierre Schweitzer (pierre@reactos.org)
- */
-
-/* INCLUDES ******************************************************************/
-
-#include <k32.h>
-#define NDEBUG
-#include <debug.h>
-
-/* Short File Name length in chars (8.3) */
-#define SFN_LENGTH 12
-
-/* Match a volume name like:
- * \\?\Volume{GUID}
- */
-#define IS_VOLUME_NAME(s, l) \
- ((l == 96 || (l == 98 && s[48] == '\\')) && \
- s[0] == '\\'&& (s[1] == '?' || s[1] == '\\') && \
- s[2] == '?' && s[3] == '\\' && s[4] == 'V' && \
- s[5] == 'o' && s[6] == 'l' && s[7] == 'u' && \
- s[8] == 'm' && s[9] == 'e' && s[10] == '{' && \
- s[19] == '-' && s[24] == '-' && s[29] == '-' && \
- s[34] == '-' && s[47] == '}')
-
-/* FUNCTIONS *****************************************************************/
-
-/*
- * @implemented
- */
-BOOL
-WINAPI
-CreateDirectoryA(IN LPCSTR lpPathName,
- IN LPSECURITY_ATTRIBUTES lpSecurityAttributes)
-{
- PUNICODE_STRING PathNameW;
-
- PathNameW = Basep8BitStringToStaticUnicodeString(lpPathName);
- if (!PathNameW)
- {
- return FALSE;
- }
-
- return CreateDirectoryW(PathNameW->Buffer,
- lpSecurityAttributes);
-}
-
-/*
- * @implemented
- */
-BOOL
-WINAPI
-CreateDirectoryExA(IN LPCSTR lpTemplateDirectory,
- IN LPCSTR lpNewDirectory,
- IN LPSECURITY_ATTRIBUTES lpSecurityAttributes)
-{
- PUNICODE_STRING TemplateDirectoryW;
- UNICODE_STRING NewDirectoryW;
- BOOL ret;
-
- TemplateDirectoryW = Basep8BitStringToStaticUnicodeString(lpTemplateDirectory);
- if (!TemplateDirectoryW)
- {
- return FALSE;
- }
-
- if (!Basep8BitStringToDynamicUnicodeString(&NewDirectoryW, lpNewDirectory))
- {
- return FALSE;
- }
-
- ret = CreateDirectoryExW(TemplateDirectoryW->Buffer,
- NewDirectoryW.Buffer,
- lpSecurityAttributes);
-
- RtlFreeUnicodeString(&NewDirectoryW);
-
- return ret;
-}
-
-/*
- * @implemented
- */
-BOOL
-WINAPI
-CreateDirectoryW(IN LPCWSTR lpPathName,
- IN LPSECURITY_ATTRIBUTES lpSecurityAttributes)
-{
- DWORD Length;
- NTSTATUS Status;
- HANDLE DirectoryHandle;
- UNICODE_STRING NtPathU;
- PWSTR PathUBuffer, FilePart;
- IO_STATUS_BLOCK IoStatusBlock;
- RTL_RELATIVE_NAME_U RelativeName;
- OBJECT_ATTRIBUTES ObjectAttributes;
-
- /* Get relative name */
- if (!RtlDosPathNameToRelativeNtPathName_U(lpPathName, &NtPathU, NULL, &RelativeName))
- {
- SetLastError(ERROR_PATH_NOT_FOUND);
- return FALSE;
- }
-
- /* Check if path length is < MAX_PATH (with space for file name).
- * If not, prefix is required.
- */
- if (NtPathU.Length > (MAX_PATH - SFN_LENGTH) * sizeof(WCHAR) && lpPathName[0] != L'\\' &&
- lpPathName[1] != L'\\' && lpPathName[2] != L'?' && lpPathName[3] != L'\\')
- {
- /* Get file name position and full path length */
- Length = GetFullPathNameW(lpPathName, 0, NULL, &FilePart);
- if (Length == 0)
- {
- RtlReleaseRelativeName(&RelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, NtPathU.Buffer);
- SetLastError(ERROR_FILENAME_EXCED_RANGE);
- return FALSE;
- }
-
- /* Keep place for 8.3 file name */
- Length += SFN_LENGTH;
- /* No prefix, so, must be smaller than MAX_PATH */
- if (Length > MAX_PATH)
- {
- RtlReleaseRelativeName(&RelativeName);
- RtlFreeHeap(GetProcessHeap(), 0, NtPathU.Buffer);
- SetLastError(ERROR_FILENAME_EXCED_RANGE);
- return FALSE;
- }
- }
-
- /* Save buffer to allow later freeing */
- PathUBuffer = NtPathU.Buffer;
-
- /* If we have relative name (and root dir), use them instead */
- if (RelativeName.RelativeName.Length != 0)
- {
- NtPathU.Length = RelativeName.RelativeName.Length;
- NtPathU.MaximumLength = RelativeName.RelativeName.MaximumLength;
- NtPathU.Buffer = RelativeName.RelativeName.Buffer;
- }
- else
- {
- RelativeName.ContainingDirectory = NULL;
- }
-
- InitializeObjectAttributes(&ObjectAttributes,
- &NtPathU,
- OBJ_CASE_INSENSITIVE,
- RelativeName.ContainingDirectory,
- (lpSecurityAttributes ? lpSecurityAttributes->lpSecurityDescriptor : NULL));
-
- Status = NtCreateFile(&DirectoryHandle,
- FILE_LIST_DIRECTORY | SYNCHRONIZE,
- &ObjectAttributes,
- &IoStatusBlock,
- NULL,
- FILE_ATTRIBUTE_NORMAL,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- FILE_CREATE,
- FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT | FILE_OPEN_FOR_BACKUP_INTENT,
- NULL,
- 0);
-
- RtlReleaseRelativeName(&RelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
-
- if (NT_SUCCESS(Status))
- {
- NtClose(DirectoryHandle);
- return TRUE;
- }
-
- if (RtlIsDosDeviceName_U(lpPathName))
- {
- Status = STATUS_NOT_A_DIRECTORY;
- }
-
- BaseSetLastNTError(Status);
- return FALSE;
-}
-
-/*
- * @implemented
- */
-BOOL
-WINAPI
-CreateDirectoryExW(IN LPCWSTR lpTemplateDirectory,
- IN LPCWSTR lpNewDirectory,
- IN LPSECURITY_ATTRIBUTES lpSecurityAttributes)
-{
- DWORD Length;
- NTSTATUS Status;
- PVOID EaBuffer = NULL;
- BOOL ReparsePoint = FALSE;
- IO_STATUS_BLOCK IoStatusBlock;
- FILE_EA_INFORMATION FileEaInfo;
- ULONG EaLength = 0, StreamSize;
- OBJECT_ATTRIBUTES ObjectAttributes;
- FILE_BASIC_INFORMATION FileBasicInfo;
- PREPARSE_DATA_BUFFER ReparseDataBuffer;
- HANDLE TemplateHandle, DirectoryHandle;
- PFILE_STREAM_INFORMATION FileStreamInfo;
- FILE_ATTRIBUTE_TAG_INFORMATION FileTagInfo;
- UNICODE_STRING NtPathU, NtTemplatePathU, NewDirectory;
- RTL_RELATIVE_NAME_U RelativeName, TemplateRelativeName;
- PWSTR TemplateBuffer, PathUBuffer, FilePart, SubstituteName;
-
- /* Get relative name of the template */
- if (!RtlDosPathNameToRelativeNtPathName_U(lpTemplateDirectory, &NtTemplatePathU, NULL, &TemplateRelativeName))
- {
- SetLastError(ERROR_PATH_NOT_FOUND);
- return FALSE;
- }
-
- /* Save buffer for further freeing */
- TemplateBuffer = NtTemplatePathU.Buffer;
-
- /* If we have relative name (and root dir), use them instead */
- if (TemplateRelativeName.RelativeName.Length != 0)
- {
- NtTemplatePathU.Length = TemplateRelativeName.RelativeName.Length;
- NtTemplatePathU.MaximumLength = TemplateRelativeName.RelativeName.MaximumLength;
- NtTemplatePathU.Buffer = TemplateRelativeName.RelativeName.Buffer;
- }
- else
- {
- TemplateRelativeName.ContainingDirectory = NULL;
- }
-
- InitializeObjectAttributes(&ObjectAttributes,
- &NtTemplatePathU,
- OBJ_CASE_INSENSITIVE,
- NULL,
- NULL);
-
- /* Open template directory */
- Status = NtOpenFile(&TemplateHandle,
- FILE_LIST_DIRECTORY | FILE_READ_ATTRIBUTES | FILE_READ_EA,
- &ObjectAttributes,
- &IoStatusBlock,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- FILE_DIRECTORY_FILE | FILE_OPEN_REPARSE_POINT | FILE_OPEN_FOR_BACKUP_INTENT);
- if (!NT_SUCCESS(Status))
- {
- if (Status != STATUS_INVALID_PARAMETER)
- {
- RtlReleaseRelativeName(&TemplateRelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, TemplateBuffer);
- BaseSetLastNTError(Status);
- return FALSE;
- }
-
-OpenWithoutReparseSupport:
- /* Opening failed due to lacking reparse points support in the FSD, try without */
- Status = NtOpenFile(&TemplateHandle,
- FILE_LIST_DIRECTORY | FILE_READ_ATTRIBUTES | FILE_READ_EA,
- &ObjectAttributes,
- &IoStatusBlock,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- FILE_DIRECTORY_FILE | FILE_OPEN_FOR_BACKUP_INTENT);
-
- if (!NT_SUCCESS(Status))
- {
- RtlReleaseRelativeName(&TemplateRelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, TemplateBuffer);
- BaseSetLastNTError(Status);
- return FALSE;
- }
-
- /* Request file attributes */
- FileBasicInfo.FileAttributes = FILE_ATTRIBUTE_NORMAL;
- Status = NtQueryInformationFile(TemplateHandle,
- &IoStatusBlock,
- &FileBasicInfo,
- sizeof(FileBasicInfo),
- FileBasicInformation);
- if (!NT_SUCCESS(Status))
- {
- RtlReleaseRelativeName(&TemplateRelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, TemplateBuffer);
- CloseHandle(TemplateHandle);
- BaseSetLastNTError(Status);
- return FALSE;
-
- }
- }
- else
- {
- /* Request file attributes */
- FileBasicInfo.FileAttributes = FILE_ATTRIBUTE_NORMAL;
- Status = NtQueryInformationFile(TemplateHandle,
- &IoStatusBlock,
- &FileBasicInfo,
- sizeof(FileBasicInfo),
- FileBasicInformation);
- if (!NT_SUCCESS(Status))
- {
- RtlReleaseRelativeName(&TemplateRelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, TemplateBuffer);
- CloseHandle(TemplateHandle);
- BaseSetLastNTError(Status);
- return FALSE;
-
- }
-
- /* If it is a reparse point, then get information about it */
- if (FileBasicInfo.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)
- {
- Status = NtQueryInformationFile(TemplateHandle,
- &IoStatusBlock,
- &FileTagInfo,
- sizeof(FileTagInfo),
- FileAttributeTagInformation);
- if (!NT_SUCCESS(Status))
- {
- RtlReleaseRelativeName(&TemplateRelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, TemplateBuffer);
- CloseHandle(TemplateHandle);
- BaseSetLastNTError(Status);
- return FALSE;
- }
-
- /* Only mount points are supported, retry without if anything different */
- if (FileTagInfo.ReparseTag != IO_REPARSE_TAG_MOUNT_POINT)
- {
- CloseHandle(TemplateHandle);
- goto OpenWithoutReparseSupport;
- }
-
- /* Mark we are playing with a reparse point */
- ReparsePoint = TRUE;
- }
- }
-
- /* Get relative name of the directory */
- if (!RtlDosPathNameToRelativeNtPathName_U(lpNewDirectory, &NtPathU, NULL, &RelativeName))
- {
- RtlReleaseRelativeName(&TemplateRelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, TemplateBuffer);
- NtClose(TemplateHandle);
- SetLastError(ERROR_PATH_NOT_FOUND);
- return FALSE;
- }
-
- /* Save its buffer for further freeing */
- PathUBuffer = NtPathU.Buffer;
-
- /* Template & directory can't be the same */
- if (RtlEqualUnicodeString(&NtPathU,
- &NtTemplatePathU,
- TRUE))
- {
- RtlReleaseRelativeName(&RelativeName);
- RtlReleaseRelativeName(&TemplateRelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, TemplateBuffer);
- RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
- NtClose(TemplateHandle);
- SetLastError(ERROR_INVALID_NAME);
- return FALSE;
- }
-
- RtlReleaseRelativeName(&TemplateRelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, TemplateBuffer);
-
- /* Check if path length is < MAX_PATH (with space for file name).
- * If not, prefix is required.
- */
- if (NtPathU.Length > (MAX_PATH - SFN_LENGTH) * sizeof(WCHAR) && lpNewDirectory[0] != L'\\' &&
- lpNewDirectory[1] != L'\\' && lpNewDirectory[2] != L'?' && lpNewDirectory[3] != L'\\')
- {
- /* Get file name position and full path length */
- Length = GetFullPathNameW(lpNewDirectory, 0, NULL, &FilePart);
- if (Length == 0)
- {
- RtlReleaseRelativeName(&RelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
- CloseHandle(TemplateHandle);
- SetLastError(ERROR_FILENAME_EXCED_RANGE);
- return FALSE;
- }
-
- /* Keep place for 8.3 file name */
- Length += SFN_LENGTH;
- /* No prefix, so, must be smaller than MAX_PATH */
- if (Length > MAX_PATH)
- {
- RtlReleaseRelativeName(&RelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
- CloseHandle(TemplateHandle);
- SetLastError(ERROR_FILENAME_EXCED_RANGE);
- return FALSE;
- }
- }
-
- /* If we have relative name (and root dir), use them instead */
- if (RelativeName.RelativeName.Length != 0)
- {
- NtPathU.Length = RelativeName.RelativeName.Length;
- NtPathU.MaximumLength = RelativeName.RelativeName.MaximumLength;
- NtPathU.Buffer = RelativeName.RelativeName.Buffer;
- }
- else
- {
- RelativeName.ContainingDirectory = NULL;
- }
-
- /* Get extended attributes */
- Status = NtQueryInformationFile(TemplateHandle,
- &IoStatusBlock,
- &FileEaInfo,
- sizeof(FileEaInfo),
- FileEaInformation);
- if (!NT_SUCCESS(Status))
- {
- RtlReleaseRelativeName(&RelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
- CloseHandle(TemplateHandle);
- BaseSetLastNTError(Status);
- return FALSE;
- }
-
- /* Start reading extended attributes */
- if (FileEaInfo.EaSize != 0)
- {
- for (EaLength = FileEaInfo.EaSize * 2; ; EaLength = EaLength * 2)
- {
- /* Allocate buffer for reading */
- EaBuffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, EaLength);
- if (!EaBuffer)
- {
- RtlReleaseRelativeName(&RelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
- CloseHandle(TemplateHandle);
- BaseSetLastNTError(STATUS_NO_MEMORY);
- return FALSE;
- }
-
- /* Query EAs */
- Status = NtQueryEaFile(TemplateHandle,
- &IoStatusBlock,
- EaBuffer,
- EaLength,
- FALSE,
- NULL,
- 0,
- NULL,
- TRUE);
- if (!NT_SUCCESS(Status))
- {
- RtlFreeHeap(RtlGetProcessHeap(), 0, EaBuffer);
- IoStatusBlock.Information = 0;
- }
-
- /* If we don't fail because of too small buffer, stop here */
- if (Status != STATUS_BUFFER_OVERFLOW &&
- Status != STATUS_BUFFER_TOO_SMALL)
- {
- EaLength = IoStatusBlock.Information;
- break;
- }
- }
- }
-
- InitializeObjectAttributes(&ObjectAttributes,
- &NtPathU,
- OBJ_CASE_INSENSITIVE,
- RelativeName.ContainingDirectory,
- (lpSecurityAttributes ? lpSecurityAttributes->lpSecurityDescriptor : NULL));
-
- /* Ensure attributes are valid */
- FileBasicInfo.FileAttributes &= FILE_ATTRIBUTE_VALID_FLAGS;
-
- /* Create the new directory */
- Status = NtCreateFile(&DirectoryHandle,
- FILE_LIST_DIRECTORY | SYNCHRONIZE | FILE_WRITE_ATTRIBUTES |
- FILE_READ_ATTRIBUTES | (FileBasicInfo.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT ? FILE_ADD_FILE : 0),
- &ObjectAttributes,
- &IoStatusBlock,
- NULL,
- FileBasicInfo.FileAttributes,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- FILE_CREATE,
- FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT |
- FILE_OPEN_FOR_BACKUP_INTENT | FILE_OPEN_REPARSE_POINT,
- EaBuffer,
- EaLength);
- if (!NT_SUCCESS(Status))
- {
- if (Status == STATUS_INVALID_PARAMETER || Status == STATUS_ACCESS_DENIED)
- {
- /* If creation failed, it might be because FSD doesn't support reparse points
- * Retry without asking for such support in case template is not a reparse point
- */
- if (!ReparsePoint)
- {
- Status = NtCreateFile(&DirectoryHandle,
- FILE_LIST_DIRECTORY | SYNCHRONIZE |
- FILE_WRITE_ATTRIBUTES | FILE_READ_ATTRIBUTES,
- &ObjectAttributes,
- &IoStatusBlock,
- NULL,
- FileBasicInfo.FileAttributes,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- FILE_CREATE,
- FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT |
- FILE_OPEN_FOR_BACKUP_INTENT,
- EaBuffer,
- EaLength);
- }
- else
- {
- RtlReleaseRelativeName(&RelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
- if (EaBuffer)
- {
- RtlFreeHeap(RtlGetProcessHeap(), 0, EaBuffer);
- }
- CloseHandle(TemplateHandle);
- BaseSetLastNTError(Status);
- return FALSE;
- }
- }
- }
-
- RtlReleaseRelativeName(&RelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
- if (EaBuffer)
- {
- RtlFreeHeap(RtlGetProcessHeap(), 0, EaBuffer);
- }
-
- if (!NT_SUCCESS(Status))
- {
- NtClose(TemplateHandle);
- if (RtlIsDosDeviceName_U(lpNewDirectory))
- {
- Status = STATUS_NOT_A_DIRECTORY;
- }
- BaseSetLastNTError(Status);
- return FALSE;
- }
-
- /* If template is a reparse point, copy reparse data */
- if (ReparsePoint)
- {
- ReparseDataBuffer = RtlAllocateHeap(RtlGetProcessHeap(), 0,
- MAXIMUM_REPARSE_DATA_BUFFER_SIZE);
- if (!ReparseDataBuffer)
- {
- NtClose(TemplateHandle);
- NtClose(DirectoryHandle);
- SetLastError(STATUS_NO_MEMORY);
- return FALSE;
- }
-
- /* First query data */
- Status = NtFsControlFile(TemplateHandle,
- NULL,
- NULL,
- NULL,
- &IoStatusBlock,
- FSCTL_GET_REPARSE_POINT,
- NULL,
- 0,
- ReparseDataBuffer,
- MAXIMUM_REPARSE_DATA_BUFFER_SIZE);
- if (!NT_SUCCESS(Status))
- {
- RtlFreeHeap(RtlGetProcessHeap(), 0, ReparseDataBuffer);
- NtClose(TemplateHandle);
- NtClose(DirectoryHandle);
- SetLastError(Status);
- return FALSE;
- }
-
- /* Once again, ensure it is a mount point */
- if (ReparseDataBuffer->ReparseTag != IO_REPARSE_TAG_MOUNT_POINT)
- {
- RtlFreeHeap(RtlGetProcessHeap(), 0, ReparseDataBuffer);
- NtClose(TemplateHandle);
- NtClose(DirectoryHandle);
- SetLastError(STATUS_OBJECT_NAME_INVALID);
- return FALSE;
- }
-
- /* Get volume name */
- SubstituteName = (PWSTR)((ULONG_PTR)ReparseDataBuffer->MountPointReparseBuffer.PathBuffer +
- ReparseDataBuffer->MountPointReparseBuffer.SubstituteNameOffset);
- if (IS_VOLUME_NAME(SubstituteName, ReparseDataBuffer->MountPointReparseBuffer.SubstituteNameLength))
- {
- /* Prepare to define a new mount point for that volume */
- RtlInitUnicodeString(&NewDirectory, lpNewDirectory);
- NewDirectory.Buffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, NewDirectory.Length + 2 * sizeof(WCHAR));
- if (!NewDirectory.Buffer)
- {
- SetLastError(ERROR_NOT_ENOUGH_MEMORY);
- RtlFreeHeap(RtlGetProcessHeap(), 0, ReparseDataBuffer);
- NtClose(TemplateHandle);
- NtClose(DirectoryHandle);
- return FALSE;
- }
-
- RtlCopyMemory(&NewDirectory.Buffer, lpNewDirectory, NewDirectory.Length);
- if (NewDirectory.Buffer[NewDirectory.Length / sizeof(WCHAR)] != L'\\')
- {
- NewDirectory.Buffer[NewDirectory.Length / sizeof(WCHAR)] = L'\\';
- NewDirectory.Buffer[(NewDirectory.Length / sizeof(WCHAR)) + 1] = UNICODE_NULL;
- }
-
- /* Define a new mount point for that volume */
- SetVolumeMountPointW(NewDirectory.Buffer, SubstituteName);
-
- RtlFreeHeap(RtlGetProcessHeap(), 0, NewDirectory.Buffer);
- RtlFreeHeap(RtlGetProcessHeap(), 0, ReparseDataBuffer);
- NtClose(TemplateHandle);
- NtClose(DirectoryHandle);
- return TRUE;
- }
-
- /* Otherwise copy data raw */
- Status = NtFsControlFile(DirectoryHandle,
- NULL,
- NULL,
- NULL,
- &IoStatusBlock,
- FSCTL_SET_REPARSE_POINT,
- ReparseDataBuffer,
- ReparseDataBuffer->ReparseDataLength +
- FIELD_OFFSET(REPARSE_DATA_BUFFER, MountPointReparseBuffer.PathBuffer),
- NULL,
- 0);
-
- RtlFreeHeap(RtlGetProcessHeap(), 0, ReparseDataBuffer);
- NtClose(TemplateHandle);
- NtClose(DirectoryHandle);
-
- if (NT_SUCCESS(Status))
- {
- return TRUE;
- }
-
- BaseSetLastNTError(Status);
- return FALSE;
- }
- /* In case it's not a reparse point, handle streams on the file */
- else
- {
- for (StreamSize = 0x1000; ; StreamSize = StreamSize * 2)
- {
- FileStreamInfo = RtlAllocateHeap(RtlGetProcessHeap(), 0, StreamSize);
- if (!FileStreamInfo)
- {
- BaseMarkFileForDelete(DirectoryHandle, FileBasicInfo.FileAttributes);
- SetLastError(STATUS_NO_MEMORY);
- break;
- }
-
- /* Query stream information */
- Status = NtQueryInformationFile(TemplateHandle,
- &IoStatusBlock,
- FileStreamInfo,
- StreamSize,
- FileStreamInformation);
- if (NT_SUCCESS(Status))
- {
- break;
- }
-
- RtlFreeHeap(RtlGetProcessHeap(), 0, FileStreamInfo);
- FileStreamInfo = NULL;
-
- /* If it failed, ensure that's not because of too small buffer */
- if (Status != STATUS_BUFFER_OVERFLOW &&
- Status != STATUS_BUFFER_TOO_SMALL)
- {
- break;
- }
- }
-
- if (!NT_SUCCESS(Status) || IoStatusBlock.Information == 0)
- {
- if (FileStreamInfo)
- {
- RtlFreeHeap(RtlGetProcessHeap(), 0, FileStreamInfo);
- }
-
- NtClose(TemplateHandle);
- NtClose(DirectoryHandle);
- return TRUE;
- }
-
-#if 1
- /* FIXME: TODO */
- DPRINT1("Warning: streams copying is unimplemented!\n");
- RtlFreeHeap(RtlGetProcessHeap(), 0, FileStreamInfo);
- NtClose(TemplateHandle);
- NtClose(DirectoryHandle);
-#endif
- return TRUE;
- }
-}
-
-/*
- * @implemented
- */
-BOOL
-WINAPI
-RemoveDirectoryA(IN LPCSTR lpPathName)
-{
- PUNICODE_STRING PathNameW;
-
- PathNameW = Basep8BitStringToStaticUnicodeString(lpPathName);
- if (!PathNameW)
- {
- return FALSE;
- }
-
- return RemoveDirectoryW(PathNameW->Buffer);
-}
-
-/*
- * @implemented
- */
-BOOL
-WINAPI
-RemoveDirectoryW(IN LPCWSTR lpPathName)
-{
- NTSTATUS Status;
- DWORD BytesReturned;
- HANDLE DirectoryHandle;
- IO_STATUS_BLOCK IoStatusBlock;
- UNICODE_STRING NtPathU, PathName;
- RTL_RELATIVE_NAME_U RelativeName;
- PWSTR PathUBuffer, SubstituteName;
- OBJECT_ATTRIBUTES ObjectAttributes;
- PREPARSE_DATA_BUFFER ReparseDataBuffer;
- FILE_DISPOSITION_INFORMATION FileDispInfo;
- FILE_ATTRIBUTE_TAG_INFORMATION FileTagInfo;
-
- /* Get relative name */
- if (!RtlDosPathNameToRelativeNtPathName_U(lpPathName, &NtPathU, NULL, &RelativeName))
- {
- SetLastError(ERROR_PATH_NOT_FOUND);
- return FALSE;
- }
-
- /* Save buffer to allow later freeing */
- PathUBuffer = NtPathU.Buffer;
-
- /* If we have relative name (and root dir), use them instead */
- if (RelativeName.RelativeName.Length != 0)
- {
- NtPathU.Length = RelativeName.RelativeName.Length;
- NtPathU.MaximumLength = RelativeName.RelativeName.MaximumLength;
- NtPathU.Buffer = RelativeName.RelativeName.Buffer;
- }
- else
- {
- RelativeName.ContainingDirectory = NULL;
- }
-
- InitializeObjectAttributes(&ObjectAttributes,
- &NtPathU,
- OBJ_CASE_INSENSITIVE,
- RelativeName.ContainingDirectory,
- NULL);
-
- /* Try to open directory */
- Status = NtOpenFile(&DirectoryHandle,
- DELETE | SYNCHRONIZE | FAILED_ACCESS_ACE_FLAG,
- &ObjectAttributes,
- &IoStatusBlock,
- FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
- FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT |
- FILE_OPEN_FOR_BACKUP_INTENT | FILE_OPEN_REPARSE_POINT);
- if (!NT_SUCCESS(Status))
- {
- /* We only accept failure for reparse points not being supported */
- if (Status != STATUS_INVALID_PARAMETER)
- {
- goto Cleanup;
- }
-
- /* Try to open, with reparse points support */
- Status = NtOpenFile(&DirectoryHandle,
- DELETE | SYNCHRONIZE,
- &ObjectAttributes,
- &IoStatusBlock,
- FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
- FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT |
- FILE_OPEN_FOR_BACKUP_INTENT);
- if (!NT_SUCCESS(Status))
- {
- goto Cleanup;
- }
-
- /* Success, mark directory */
- goto MarkFileForDelete;
- }
-
- /* Get information about file (and reparse point) */
- Status = NtQueryInformationFile(DirectoryHandle,
- &IoStatusBlock,
- &FileTagInfo,
- sizeof(FileTagInfo),
- FileAttributeTagInformation);
- if (!NT_SUCCESS(Status))
- {
- /* FSD might not support querying reparse points information */
- if (Status != STATUS_NOT_IMPLEMENTED &&
- Status != STATUS_INVALID_PARAMETER)
- {
- goto CleanupHandle;
- }
-
- /* If that's the case, then just delete directory */
- goto MarkFileForDelete;
- }
-
- /* If that's not a reparse point, nothing more to do than just delete */
- if (!(FileTagInfo.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT))
- {
- goto MarkFileForDelete;
- }
-
- /* Check if that's a mount point */
- if (FileTagInfo.ReparseTag != IO_REPARSE_TAG_MOUNT_POINT)
- {
- /* It's not */
- NtClose(DirectoryHandle);
-
- /* So, try to reopen directory, ignoring mount point */
- Status = NtOpenFile(&DirectoryHandle,
- DELETE | SYNCHRONIZE,
- &ObjectAttributes,
- &IoStatusBlock,
- FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
- FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT |
- FILE_OPEN_FOR_BACKUP_INTENT);
- if (NT_SUCCESS(Status))
- {
- /* It succeed, we can safely delete directory (and ignore reparse point) */
- goto MarkFileForDelete;
- }
-
- /* If it failed, only allow case where IO mount point was ignored */
- if (Status != STATUS_IO_REPARSE_TAG_NOT_HANDLED)
- {
- goto Cleanup;
- }
-
- /* Reopen with reparse point support */
- Status = NtOpenFile(&DirectoryHandle,
- DELETE | SYNCHRONIZE,
- &ObjectAttributes,
- &IoStatusBlock,
- FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
- FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT |
- FILE_OPEN_FOR_BACKUP_INTENT | FILE_OPEN_REPARSE_POINT);
- if (NT_SUCCESS(Status))
- {
- /* And mark for delete */
- goto MarkFileForDelete;
- }
-
- goto Cleanup;
- }
-
- /* Here, we have a mount point, prepare to query information about it */
- ReparseDataBuffer = RtlAllocateHeap(RtlGetProcessHeap(), 0,
- MAXIMUM_REPARSE_DATA_BUFFER_SIZE);
- if (!ReparseDataBuffer)
- {
- RtlReleaseRelativeName(&RelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
- NtClose(DirectoryHandle);
- SetLastError(ERROR_NOT_ENOUGH_MEMORY);
- return FALSE;
- }
-
- /* Query */
- if (!DeviceIoControl(DirectoryHandle,
- FSCTL_GET_REPARSE_POINT,
- NULL, 0,
- ReparseDataBuffer,
- MAXIMUM_REPARSE_DATA_BUFFER_SIZE,
- &BytesReturned,
- NULL))
- {
- RtlFreeHeap(RtlGetProcessHeap(), 0, ReparseDataBuffer);
- goto MarkFileForDelete;
- }
-
- /* Get volume name */
- SubstituteName = (PWSTR)((ULONG_PTR)ReparseDataBuffer->MountPointReparseBuffer.PathBuffer +
- ReparseDataBuffer->MountPointReparseBuffer.SubstituteNameOffset);
- if (!IS_VOLUME_NAME(SubstituteName, ReparseDataBuffer->MountPointReparseBuffer.SubstituteNameLength))
- {
- /* This is not a volume, we can safely delete */
- RtlFreeHeap(RtlGetProcessHeap(), 0, ReparseDataBuffer);
- goto MarkFileForDelete;
- }
-
- /* Prepare to delete mount point */
- RtlInitUnicodeString(&PathName, lpPathName);
- PathName.Buffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, PathName.Length + 2 * sizeof(WCHAR));
- if (!PathName.Buffer)
- {
- RtlReleaseRelativeName(&RelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, ReparseDataBuffer);
- NtClose(DirectoryHandle);
- SetLastError(ERROR_NOT_ENOUGH_MEMORY);
- return FALSE;
- }
-
- RtlCopyMemory(&PathName.Buffer, lpPathName, PathName.Length);
- if (PathName.Buffer[PathName.Length / sizeof(WCHAR)] != L'\\')
- {
- PathName.Buffer[PathName.Length / sizeof(WCHAR)] = L'\\';
- PathName.Buffer[(PathName.Length / sizeof(WCHAR)) + 1] = UNICODE_NULL;
- }
-
- /* Delete mount point for that volume */
- DeleteVolumeMountPointW(PathName.Buffer);
- RtlFreeHeap(RtlGetProcessHeap(), 0, PathName.Buffer);
- RtlFreeHeap(RtlGetProcessHeap(), 0, ReparseDataBuffer);
-
- /* And mark directory for delete */
-MarkFileForDelete:
- RtlReleaseRelativeName(&RelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
-
- /* Mark & set */
- FileDispInfo.DeleteFile = TRUE;
- Status = NtSetInformationFile(DirectoryHandle,
- &IoStatusBlock,
- &FileDispInfo,
- sizeof(FILE_DISPOSITION_INFORMATION),
- FileDispositionInformation);
- NtClose(DirectoryHandle);
-
- if (!NT_SUCCESS(Status))
- {
- BaseSetLastNTError(Status);
- return FALSE;
- }
-
- return TRUE;
-
-CleanupHandle:
- NtClose(DirectoryHandle);
-
-Cleanup:
- RtlReleaseRelativeName(&RelativeName);
- RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
- BaseSetLastNTError(Status);
- return FALSE;
-}
-
-/* EOF */
projects / reactos.git / blobdiff