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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 01:24:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 01:24:41 +0000
commita9bcc81f821d7c66f623779fa5147e728eb3c388 (patch)
tree98676963bcdd537ae5908a067a8eb110b93486a6 /channels/drive/client/drive_main.c
parentInitial commit. (diff)
downloadfreerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.tar.xz
freerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.zip
Adding upstream version 3.3.0+dfsg1.upstream/3.3.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'channels/drive/client/drive_main.c')
-rw-r--r--channels/drive/client/drive_main.c1120
1 files changed, 1120 insertions, 0 deletions
diff --git a/channels/drive/client/drive_main.c b/channels/drive/client/drive_main.c
new file mode 100644
index 0000000..0fdc2e0
--- /dev/null
+++ b/channels/drive/client/drive_main.c
@@ -0,0 +1,1120 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * File System Virtual Channel
+ *
+ * Copyright 2010-2011 Vic Lee
+ * Copyright 2010-2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
+ * Copyright 2015 Thincast Technologies GmbH
+ * Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
+ * Copyright 2016 David PHAM-VAN <d.phamvan@inuvika.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <freerdp/config.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <winpr/crt.h>
+#include <winpr/assert.h>
+#include <winpr/path.h>
+#include <winpr/file.h>
+#include <winpr/string.h>
+#include <winpr/synch.h>
+#include <winpr/thread.h>
+#include <winpr/stream.h>
+#include <winpr/environment.h>
+#include <winpr/interlocked.h>
+#include <winpr/collections.h>
+#include <winpr/shell.h>
+
+#include <freerdp/freerdp.h>
+#include <freerdp/channels/rdpdr.h>
+
+#include "drive_file.h"
+
+typedef struct
+{
+ DEVICE device;
+
+ WCHAR* path;
+ BOOL automount;
+ UINT32 PathLength;
+ wListDictionary* files;
+
+ HANDLE thread;
+ wMessageQueue* IrpQueue;
+
+ DEVMAN* devman;
+
+ rdpContext* rdpcontext;
+} DRIVE_DEVICE;
+
+static DWORD drive_map_windows_err(DWORD fs_errno)
+{
+ DWORD rc = 0;
+
+ /* try to return NTSTATUS version of error code */
+
+ switch (fs_errno)
+ {
+ case STATUS_SUCCESS:
+ rc = STATUS_SUCCESS;
+ break;
+
+ case ERROR_ACCESS_DENIED:
+ case ERROR_SHARING_VIOLATION:
+ rc = STATUS_ACCESS_DENIED;
+ break;
+
+ case ERROR_FILE_NOT_FOUND:
+ rc = STATUS_NO_SUCH_FILE;
+ break;
+
+ case ERROR_BUSY_DRIVE:
+ rc = STATUS_DEVICE_BUSY;
+ break;
+
+ case ERROR_INVALID_DRIVE:
+ rc = STATUS_NO_SUCH_DEVICE;
+ break;
+
+ case ERROR_NOT_READY:
+ rc = STATUS_NO_SUCH_DEVICE;
+ break;
+
+ case ERROR_FILE_EXISTS:
+ case ERROR_ALREADY_EXISTS:
+ rc = STATUS_OBJECT_NAME_COLLISION;
+ break;
+
+ case ERROR_INVALID_NAME:
+ rc = STATUS_NO_SUCH_FILE;
+ break;
+
+ case ERROR_INVALID_HANDLE:
+ rc = STATUS_INVALID_HANDLE;
+ break;
+
+ case ERROR_NO_MORE_FILES:
+ rc = STATUS_NO_MORE_FILES;
+ break;
+
+ case ERROR_DIRECTORY:
+ rc = STATUS_NOT_A_DIRECTORY;
+ break;
+
+ case ERROR_PATH_NOT_FOUND:
+ rc = STATUS_OBJECT_PATH_NOT_FOUND;
+ break;
+
+ default:
+ rc = STATUS_UNSUCCESSFUL;
+ WLog_ERR(TAG, "Error code not found: %" PRIu32 "", fs_errno);
+ break;
+ }
+
+ return rc;
+}
+
+static DRIVE_FILE* drive_get_file_by_id(DRIVE_DEVICE* drive, UINT32 id)
+{
+ DRIVE_FILE* file = NULL;
+ void* key = (void*)(size_t)id;
+
+ if (!drive)
+ return NULL;
+
+ file = (DRIVE_FILE*)ListDictionary_GetItemValue(drive->files, key);
+ return file;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_process_irp_create(DRIVE_DEVICE* drive, IRP* irp)
+{
+ UINT32 FileId = 0;
+ DRIVE_FILE* file = NULL;
+ BYTE Information = 0;
+ UINT32 FileAttributes = 0;
+ UINT32 SharedAccess = 0;
+ UINT32 DesiredAccess = 0;
+ UINT32 CreateDisposition = 0;
+ UINT32 CreateOptions = 0;
+ UINT32 PathLength = 0;
+ UINT64 allocationSize = 0;
+ const WCHAR* path = NULL;
+
+ if (!drive || !irp || !irp->devman || !irp->Complete)
+ return ERROR_INVALID_PARAMETER;
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, irp->input, 6 * 4 + 8))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(irp->input, DesiredAccess);
+ Stream_Read_UINT64(irp->input, allocationSize);
+ Stream_Read_UINT32(irp->input, FileAttributes);
+ Stream_Read_UINT32(irp->input, SharedAccess);
+ Stream_Read_UINT32(irp->input, CreateDisposition);
+ Stream_Read_UINT32(irp->input, CreateOptions);
+ Stream_Read_UINT32(irp->input, PathLength);
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, irp->input, PathLength))
+ return ERROR_INVALID_DATA;
+
+ path = Stream_ConstPointer(irp->input);
+ FileId = irp->devman->id_sequence++;
+ file = drive_file_new(drive->path, path, PathLength / sizeof(WCHAR), FileId, DesiredAccess,
+ CreateDisposition, CreateOptions, FileAttributes, SharedAccess);
+
+ if (!file)
+ {
+ irp->IoStatus = drive_map_windows_err(GetLastError());
+ FileId = 0;
+ Information = 0;
+ }
+ else
+ {
+ void* key = (void*)(size_t)file->id;
+
+ if (!ListDictionary_Add(drive->files, key, file))
+ {
+ WLog_ERR(TAG, "ListDictionary_Add failed!");
+ return ERROR_INTERNAL_ERROR;
+ }
+
+ switch (CreateDisposition)
+ {
+ case FILE_SUPERSEDE:
+ case FILE_OPEN:
+ case FILE_CREATE:
+ case FILE_OVERWRITE:
+ Information = FILE_SUPERSEDED;
+ break;
+
+ case FILE_OPEN_IF:
+ Information = FILE_OPENED;
+ break;
+
+ case FILE_OVERWRITE_IF:
+ Information = FILE_OVERWRITTEN;
+ break;
+
+ default:
+ Information = 0;
+ break;
+ }
+ }
+
+ Stream_Write_UINT32(irp->output, FileId);
+ Stream_Write_UINT8(irp->output, Information);
+ return irp->Complete(irp);
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_process_irp_close(DRIVE_DEVICE* drive, IRP* irp)
+{
+ void* key = NULL;
+ DRIVE_FILE* file = NULL;
+
+ if (!drive || !irp || !irp->Complete || !irp->output)
+ return ERROR_INVALID_PARAMETER;
+
+ file = drive_get_file_by_id(drive, irp->FileId);
+ key = (void*)(size_t)irp->FileId;
+
+ if (!file)
+ irp->IoStatus = STATUS_UNSUCCESSFUL;
+ else
+ {
+ ListDictionary_Take(drive->files, key);
+
+ if (drive_file_free(file))
+ irp->IoStatus = STATUS_SUCCESS;
+ else
+ irp->IoStatus = drive_map_windows_err(GetLastError());
+ }
+
+ Stream_Zero(irp->output, 5); /* Padding(5) */
+ return irp->Complete(irp);
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_process_irp_read(DRIVE_DEVICE* drive, IRP* irp)
+{
+ DRIVE_FILE* file = NULL;
+ UINT32 Length = 0;
+ UINT64 Offset = 0;
+
+ if (!drive || !irp || !irp->output || !irp->Complete)
+ return ERROR_INVALID_PARAMETER;
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, irp->input, 12))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(irp->input, Length);
+ Stream_Read_UINT64(irp->input, Offset);
+ file = drive_get_file_by_id(drive, irp->FileId);
+
+ if (!file)
+ {
+ irp->IoStatus = STATUS_UNSUCCESSFUL;
+ Length = 0;
+ }
+ else if (!drive_file_seek(file, Offset))
+ {
+ irp->IoStatus = drive_map_windows_err(GetLastError());
+ Length = 0;
+ }
+
+ if (!Stream_EnsureRemainingCapacity(irp->output, Length + 4))
+ {
+ WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
+ return ERROR_INTERNAL_ERROR;
+ }
+ else if (Length == 0)
+ Stream_Write_UINT32(irp->output, 0);
+ else
+ {
+ BYTE* buffer = Stream_PointerAs(irp->output, BYTE) + sizeof(UINT32);
+
+ if (!drive_file_read(file, buffer, &Length))
+ {
+ irp->IoStatus = drive_map_windows_err(GetLastError());
+ Stream_Write_UINT32(irp->output, 0);
+ }
+ else
+ {
+ Stream_Write_UINT32(irp->output, Length);
+ Stream_Seek(irp->output, Length);
+ }
+ }
+
+ return irp->Complete(irp);
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_process_irp_write(DRIVE_DEVICE* drive, IRP* irp)
+{
+ DRIVE_FILE* file = NULL;
+ UINT32 Length = 0;
+ UINT64 Offset = 0;
+
+ if (!drive || !irp || !irp->input || !irp->output || !irp->Complete)
+ return ERROR_INVALID_PARAMETER;
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, irp->input, 32))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(irp->input, Length);
+ Stream_Read_UINT64(irp->input, Offset);
+ Stream_Seek(irp->input, 20); /* Padding */
+ const void* ptr = Stream_ConstPointer(irp->input);
+ if (!Stream_SafeSeek(irp->input, Length))
+ return ERROR_INVALID_DATA;
+ file = drive_get_file_by_id(drive, irp->FileId);
+
+ if (!file)
+ {
+ irp->IoStatus = STATUS_UNSUCCESSFUL;
+ Length = 0;
+ }
+ else if (!drive_file_seek(file, Offset))
+ {
+ irp->IoStatus = drive_map_windows_err(GetLastError());
+ Length = 0;
+ }
+ else if (!drive_file_write(file, ptr, Length))
+ {
+ irp->IoStatus = drive_map_windows_err(GetLastError());
+ Length = 0;
+ }
+
+ Stream_Write_UINT32(irp->output, Length);
+ Stream_Write_UINT8(irp->output, 0); /* Padding */
+ return irp->Complete(irp);
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_process_irp_query_information(DRIVE_DEVICE* drive, IRP* irp)
+{
+ DRIVE_FILE* file = NULL;
+ UINT32 FsInformationClass = 0;
+
+ if (!drive || !irp || !irp->Complete)
+ return ERROR_INVALID_PARAMETER;
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, irp->input, 4))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(irp->input, FsInformationClass);
+ file = drive_get_file_by_id(drive, irp->FileId);
+
+ if (!file)
+ {
+ irp->IoStatus = STATUS_UNSUCCESSFUL;
+ }
+ else if (!drive_file_query_information(file, FsInformationClass, irp->output))
+ {
+ irp->IoStatus = drive_map_windows_err(GetLastError());
+ }
+
+ return irp->Complete(irp);
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_process_irp_set_information(DRIVE_DEVICE* drive, IRP* irp)
+{
+ DRIVE_FILE* file = NULL;
+ UINT32 FsInformationClass = 0;
+ UINT32 Length = 0;
+
+ if (!drive || !irp || !irp->Complete || !irp->input || !irp->output)
+ return ERROR_INVALID_PARAMETER;
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, irp->input, 32))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(irp->input, FsInformationClass);
+ Stream_Read_UINT32(irp->input, Length);
+ Stream_Seek(irp->input, 24); /* Padding */
+ file = drive_get_file_by_id(drive, irp->FileId);
+
+ if (!file)
+ {
+ irp->IoStatus = STATUS_UNSUCCESSFUL;
+ }
+ else if (!drive_file_set_information(file, FsInformationClass, Length, irp->input))
+ {
+ irp->IoStatus = drive_map_windows_err(GetLastError());
+ }
+
+ if (file && file->is_dir && !PathIsDirectoryEmptyW(file->fullpath))
+ irp->IoStatus = STATUS_DIRECTORY_NOT_EMPTY;
+
+ Stream_Write_UINT32(irp->output, Length);
+ return irp->Complete(irp);
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_process_irp_query_volume_information(DRIVE_DEVICE* drive, IRP* irp)
+{
+ UINT32 FsInformationClass = 0;
+ wStream* output = NULL;
+ DWORD lpSectorsPerCluster = 0;
+ DWORD lpBytesPerSector = 0;
+ DWORD lpNumberOfFreeClusters = 0;
+ DWORD lpTotalNumberOfClusters = 0;
+ WIN32_FILE_ATTRIBUTE_DATA wfad = { 0 };
+ WCHAR LabelBuffer[32] = { 0 };
+
+ if (!drive || !irp)
+ return ERROR_INVALID_PARAMETER;
+
+ output = irp->output;
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, irp->input, 4))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(irp->input, FsInformationClass);
+ GetDiskFreeSpaceW(drive->path, &lpSectorsPerCluster, &lpBytesPerSector, &lpNumberOfFreeClusters,
+ &lpTotalNumberOfClusters);
+
+ switch (FsInformationClass)
+ {
+ case FileFsVolumeInformation:
+ {
+ /* http://msdn.microsoft.com/en-us/library/cc232108.aspx */
+ const WCHAR* volumeLabel =
+ InitializeConstWCharFromUtf8("FREERDP", LabelBuffer, ARRAYSIZE(LabelBuffer));
+ const size_t volumeLabelLen = (_wcslen(volumeLabel) + 1) * sizeof(WCHAR);
+ const size_t length = 17ul + volumeLabelLen;
+
+ Stream_Write_UINT32(output, length); /* Length */
+
+ if (!Stream_EnsureRemainingCapacity(output, length))
+ {
+ WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ GetFileAttributesExW(drive->path, GetFileExInfoStandard, &wfad);
+ Stream_Write_UINT32(output, wfad.ftCreationTime.dwLowDateTime); /* VolumeCreationTime */
+ Stream_Write_UINT32(output,
+ wfad.ftCreationTime.dwHighDateTime); /* VolumeCreationTime */
+ Stream_Write_UINT32(output, lpNumberOfFreeClusters & 0xffff); /* VolumeSerialNumber */
+ Stream_Write_UINT32(output, volumeLabelLen); /* VolumeLabelLength */
+ Stream_Write_UINT8(output, 0); /* SupportsObjects */
+ /* Reserved(1), MUST NOT be added! */
+ Stream_Write(output, volumeLabel, volumeLabelLen); /* VolumeLabel (Unicode) */
+ }
+ break;
+
+ case FileFsSizeInformation:
+ /* http://msdn.microsoft.com/en-us/library/cc232107.aspx */
+ Stream_Write_UINT32(output, 24); /* Length */
+
+ if (!Stream_EnsureRemainingCapacity(output, 24))
+ {
+ WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ Stream_Write_UINT64(output, lpTotalNumberOfClusters); /* TotalAllocationUnits */
+ Stream_Write_UINT64(output, lpNumberOfFreeClusters); /* AvailableAllocationUnits */
+ Stream_Write_UINT32(output, lpSectorsPerCluster); /* SectorsPerAllocationUnit */
+ Stream_Write_UINT32(output, lpBytesPerSector); /* BytesPerSector */
+ break;
+
+ case FileFsAttributeInformation:
+ {
+ /* http://msdn.microsoft.com/en-us/library/cc232101.aspx */
+ const WCHAR* diskType =
+ InitializeConstWCharFromUtf8("FAT32", LabelBuffer, ARRAYSIZE(LabelBuffer));
+ const size_t diskTypeLen = (wcslen(diskType) + 1) * sizeof(WCHAR);
+ const size_t length = 12ul + diskTypeLen;
+ Stream_Write_UINT32(output, length); /* Length */
+
+ if (!Stream_EnsureRemainingCapacity(output, length))
+ {
+ WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ Stream_Write_UINT32(output, FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES |
+ FILE_UNICODE_ON_DISK); /* FileSystemAttributes */
+ Stream_Write_UINT32(output, MAX_PATH); /* MaximumComponentNameLength */
+ Stream_Write_UINT32(output, diskTypeLen); /* FileSystemNameLength */
+ Stream_Write(output, diskType, diskTypeLen); /* FileSystemName (Unicode) */
+ }
+ break;
+
+ case FileFsFullSizeInformation:
+ /* http://msdn.microsoft.com/en-us/library/cc232104.aspx */
+ Stream_Write_UINT32(output, 32); /* Length */
+
+ if (!Stream_EnsureRemainingCapacity(output, 32))
+ {
+ WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ Stream_Write_UINT64(output, lpTotalNumberOfClusters); /* TotalAllocationUnits */
+ Stream_Write_UINT64(output,
+ lpNumberOfFreeClusters); /* CallerAvailableAllocationUnits */
+ Stream_Write_UINT64(output, lpNumberOfFreeClusters); /* AvailableAllocationUnits */
+ Stream_Write_UINT32(output, lpSectorsPerCluster); /* SectorsPerAllocationUnit */
+ Stream_Write_UINT32(output, lpBytesPerSector); /* BytesPerSector */
+ break;
+
+ case FileFsDeviceInformation:
+ /* http://msdn.microsoft.com/en-us/library/cc232109.aspx */
+ Stream_Write_UINT32(output, 8); /* Length */
+
+ if (!Stream_EnsureRemainingCapacity(output, 8))
+ {
+ WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ Stream_Write_UINT32(output, FILE_DEVICE_DISK); /* DeviceType */
+ Stream_Write_UINT32(output, 0); /* Characteristics */
+ break;
+
+ default:
+ irp->IoStatus = STATUS_UNSUCCESSFUL;
+ Stream_Write_UINT32(output, 0); /* Length */
+ break;
+ }
+
+ return irp->Complete(irp);
+}
+
+/* http://msdn.microsoft.com/en-us/library/cc241518.aspx */
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_process_irp_silent_ignore(DRIVE_DEVICE* drive, IRP* irp)
+{
+ UINT32 FsInformationClass = 0;
+
+ if (!drive || !irp || !irp->output || !irp->Complete)
+ return ERROR_INVALID_PARAMETER;
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, irp->input, 4))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(irp->input, FsInformationClass);
+ Stream_Write_UINT32(irp->output, 0); /* Length */
+ return irp->Complete(irp);
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_process_irp_query_directory(DRIVE_DEVICE* drive, IRP* irp)
+{
+ const WCHAR* path = NULL;
+ DRIVE_FILE* file = NULL;
+ BYTE InitialQuery = 0;
+ UINT32 PathLength = 0;
+ UINT32 FsInformationClass = 0;
+
+ if (!drive || !irp || !irp->Complete)
+ return ERROR_INVALID_PARAMETER;
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, irp->input, 32))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(irp->input, FsInformationClass);
+ Stream_Read_UINT8(irp->input, InitialQuery);
+ Stream_Read_UINT32(irp->input, PathLength);
+ Stream_Seek(irp->input, 23); /* Padding */
+ path = Stream_ConstPointer(irp->input);
+ if (!Stream_CheckAndLogRequiredLength(TAG, irp->input, PathLength))
+ return ERROR_INVALID_DATA;
+
+ file = drive_get_file_by_id(drive, irp->FileId);
+
+ if (file == NULL)
+ {
+ irp->IoStatus = STATUS_UNSUCCESSFUL;
+ Stream_Write_UINT32(irp->output, 0); /* Length */
+ }
+ else if (!drive_file_query_directory(file, FsInformationClass, InitialQuery, path,
+ PathLength / sizeof(WCHAR), irp->output))
+ {
+ irp->IoStatus = drive_map_windows_err(GetLastError());
+ }
+
+ return irp->Complete(irp);
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_process_irp_directory_control(DRIVE_DEVICE* drive, IRP* irp)
+{
+ if (!drive || !irp)
+ return ERROR_INVALID_PARAMETER;
+
+ switch (irp->MinorFunction)
+ {
+ case IRP_MN_QUERY_DIRECTORY:
+ return drive_process_irp_query_directory(drive, irp);
+
+ case IRP_MN_NOTIFY_CHANGE_DIRECTORY: /* TODO */
+ return irp->Discard(irp);
+
+ default:
+ irp->IoStatus = STATUS_NOT_SUPPORTED;
+ Stream_Write_UINT32(irp->output, 0); /* Length */
+ return irp->Complete(irp);
+ }
+
+ return CHANNEL_RC_OK;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_process_irp_device_control(DRIVE_DEVICE* drive, IRP* irp)
+{
+ if (!drive || !irp)
+ return ERROR_INVALID_PARAMETER;
+
+ Stream_Write_UINT32(irp->output, 0); /* OutputBufferLength */
+ return irp->Complete(irp);
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_process_irp(DRIVE_DEVICE* drive, IRP* irp)
+{
+ UINT error = 0;
+
+ if (!drive || !irp)
+ return ERROR_INVALID_PARAMETER;
+
+ irp->IoStatus = STATUS_SUCCESS;
+
+ switch (irp->MajorFunction)
+ {
+ case IRP_MJ_CREATE:
+ error = drive_process_irp_create(drive, irp);
+ break;
+
+ case IRP_MJ_CLOSE:
+ error = drive_process_irp_close(drive, irp);
+ break;
+
+ case IRP_MJ_READ:
+ error = drive_process_irp_read(drive, irp);
+ break;
+
+ case IRP_MJ_WRITE:
+ error = drive_process_irp_write(drive, irp);
+ break;
+
+ case IRP_MJ_QUERY_INFORMATION:
+ error = drive_process_irp_query_information(drive, irp);
+ break;
+
+ case IRP_MJ_SET_INFORMATION:
+ error = drive_process_irp_set_information(drive, irp);
+ break;
+
+ case IRP_MJ_QUERY_VOLUME_INFORMATION:
+ error = drive_process_irp_query_volume_information(drive, irp);
+ break;
+
+ case IRP_MJ_LOCK_CONTROL:
+ error = drive_process_irp_silent_ignore(drive, irp);
+ break;
+
+ case IRP_MJ_DIRECTORY_CONTROL:
+ error = drive_process_irp_directory_control(drive, irp);
+ break;
+
+ case IRP_MJ_DEVICE_CONTROL:
+ error = drive_process_irp_device_control(drive, irp);
+ break;
+
+ default:
+ irp->IoStatus = STATUS_NOT_SUPPORTED;
+ error = irp->Complete(irp);
+ break;
+ }
+
+ return error;
+}
+
+static DWORD WINAPI drive_thread_func(LPVOID arg)
+{
+ IRP* irp = NULL;
+ wMessage message = { 0 };
+ DRIVE_DEVICE* drive = (DRIVE_DEVICE*)arg;
+ UINT error = CHANNEL_RC_OK;
+
+ if (!drive)
+ {
+ error = ERROR_INVALID_PARAMETER;
+ goto fail;
+ }
+
+ while (1)
+ {
+ if (!MessageQueue_Wait(drive->IrpQueue))
+ {
+ WLog_ERR(TAG, "MessageQueue_Wait failed!");
+ error = ERROR_INTERNAL_ERROR;
+ break;
+ }
+
+ if (!MessageQueue_Peek(drive->IrpQueue, &message, TRUE))
+ {
+ WLog_ERR(TAG, "MessageQueue_Peek failed!");
+ error = ERROR_INTERNAL_ERROR;
+ break;
+ }
+
+ if (message.id == WMQ_QUIT)
+ break;
+
+ irp = (IRP*)message.wParam;
+
+ if (irp)
+ {
+ if ((error = drive_process_irp(drive, irp)))
+ {
+ WLog_ERR(TAG, "drive_process_irp failed with error %" PRIu32 "!", error);
+ break;
+ }
+ }
+ }
+
+fail:
+
+ if (error && drive && drive->rdpcontext)
+ setChannelError(drive->rdpcontext, error, "drive_thread_func reported an error");
+
+ ExitThread(error);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_irp_request(DEVICE* device, IRP* irp)
+{
+ DRIVE_DEVICE* drive = (DRIVE_DEVICE*)device;
+
+ if (!drive)
+ return ERROR_INVALID_PARAMETER;
+
+ if (!MessageQueue_Post(drive->IrpQueue, NULL, 0, (void*)irp, NULL))
+ {
+ WLog_ERR(TAG, "MessageQueue_Post failed!");
+ return ERROR_INTERNAL_ERROR;
+ }
+
+ return CHANNEL_RC_OK;
+}
+
+static UINT drive_free_int(DRIVE_DEVICE* drive)
+{
+ UINT error = CHANNEL_RC_OK;
+
+ if (!drive)
+ return ERROR_INVALID_PARAMETER;
+
+ CloseHandle(drive->thread);
+ ListDictionary_Free(drive->files);
+ MessageQueue_Free(drive->IrpQueue);
+ Stream_Free(drive->device.data, TRUE);
+ free(drive->path);
+ free(drive);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_free(DEVICE* device)
+{
+ DRIVE_DEVICE* drive = (DRIVE_DEVICE*)device;
+ UINT error = CHANNEL_RC_OK;
+
+ if (!drive)
+ return ERROR_INVALID_PARAMETER;
+
+ if (MessageQueue_PostQuit(drive->IrpQueue, 0) &&
+ (WaitForSingleObject(drive->thread, INFINITE) == WAIT_FAILED))
+ {
+ error = GetLastError();
+ WLog_ERR(TAG, "WaitForSingleObject failed with error %" PRIu32 "", error);
+ return error;
+ }
+
+ return drive_free_int(drive);
+}
+
+/**
+ * Helper function used for freeing list dictionary value object
+ */
+static void drive_file_objfree(void* obj)
+{
+ drive_file_free((DRIVE_FILE*)obj);
+}
+
+static void drive_message_free(void* obj)
+{
+ wMessage* msg = obj;
+ if (!msg)
+ return;
+ if (msg->id != 0)
+ return;
+
+ IRP* irp = (IRP*)msg->wParam;
+ if (!irp)
+ return;
+ WINPR_ASSERT(irp->Discard);
+ irp->Discard(irp);
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT drive_register_drive_path(PDEVICE_SERVICE_ENTRY_POINTS pEntryPoints, const char* name,
+ const char* path, BOOL automount)
+{
+ size_t length = 0;
+ DRIVE_DEVICE* drive = NULL;
+ UINT error = ERROR_INTERNAL_ERROR;
+
+ if (!pEntryPoints || !name || !path)
+ {
+ WLog_ERR(TAG, "[%s] Invalid parameters: pEntryPoints=%p, name=%p, path=%p", pEntryPoints,
+ name, path);
+ return ERROR_INVALID_PARAMETER;
+ }
+
+ if (name[0] && path[0])
+ {
+ size_t pathLength = strnlen(path, MAX_PATH);
+ drive = (DRIVE_DEVICE*)calloc(1, sizeof(DRIVE_DEVICE));
+
+ if (!drive)
+ {
+ WLog_ERR(TAG, "calloc failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ drive->device.type = RDPDR_DTYP_FILESYSTEM;
+ drive->device.IRPRequest = drive_irp_request;
+ drive->device.Free = drive_free;
+ drive->rdpcontext = pEntryPoints->rdpcontext;
+ drive->automount = automount;
+ length = strlen(name);
+ drive->device.data = Stream_New(NULL, length + 1);
+
+ if (!drive->device.data)
+ {
+ WLog_ERR(TAG, "Stream_New failed!");
+ error = CHANNEL_RC_NO_MEMORY;
+ goto out_error;
+ }
+
+ for (size_t i = 0; i < length; i++)
+ {
+ /* Filter 2.2.1.3 Device Announce Header (DEVICE_ANNOUNCE) forbidden symbols */
+ switch (name[i])
+ {
+ case ':':
+ case '<':
+ case '>':
+ case '\"':
+ case '/':
+ case '\\':
+ case '|':
+ case ' ':
+ Stream_Write_UINT8(drive->device.data, '_');
+ break;
+ default:
+ Stream_Write_UINT8(drive->device.data, (BYTE)name[i]);
+ break;
+ }
+ }
+ Stream_Write_UINT8(drive->device.data, '\0');
+
+ drive->device.name = (const char*)Stream_Buffer(drive->device.data);
+ if (!drive->device.name)
+ goto out_error;
+
+ if ((pathLength > 1) && (path[pathLength - 1] == '/'))
+ pathLength--;
+
+ drive->path = ConvertUtf8NToWCharAlloc(path, pathLength, NULL);
+ if (!drive->path)
+ {
+ error = CHANNEL_RC_NO_MEMORY;
+ goto out_error;
+ }
+
+ drive->files = ListDictionary_New(TRUE);
+
+ if (!drive->files)
+ {
+ WLog_ERR(TAG, "ListDictionary_New failed!");
+ error = CHANNEL_RC_NO_MEMORY;
+ goto out_error;
+ }
+
+ ListDictionary_ValueObject(drive->files)->fnObjectFree = drive_file_objfree;
+ drive->IrpQueue = MessageQueue_New(NULL);
+
+ if (!drive->IrpQueue)
+ {
+ WLog_ERR(TAG, "ListDictionary_New failed!");
+ error = CHANNEL_RC_NO_MEMORY;
+ goto out_error;
+ }
+
+ wObject* obj = MessageQueue_Object(drive->IrpQueue);
+ WINPR_ASSERT(obj);
+ obj->fnObjectFree = drive_message_free;
+
+ if ((error = pEntryPoints->RegisterDevice(pEntryPoints->devman, (DEVICE*)drive)))
+ {
+ WLog_ERR(TAG, "RegisterDevice failed with error %" PRIu32 "!", error);
+ goto out_error;
+ }
+
+ if (!(drive->thread =
+ CreateThread(NULL, 0, drive_thread_func, drive, CREATE_SUSPENDED, NULL)))
+ {
+ WLog_ERR(TAG, "CreateThread failed!");
+ goto out_error;
+ }
+
+ ResumeThread(drive->thread);
+ }
+
+ return CHANNEL_RC_OK;
+out_error:
+ drive_free_int(drive);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+FREERDP_ENTRY_POINT(UINT drive_DeviceServiceEntry(PDEVICE_SERVICE_ENTRY_POINTS pEntryPoints))
+{
+ RDPDR_DRIVE* drive = NULL;
+ UINT error = 0;
+#ifdef WIN32
+ int len;
+ char devlist[512], buf[512];
+ char* bufdup;
+ char* devdup;
+#endif
+
+ WINPR_ASSERT(pEntryPoints);
+
+ drive = (RDPDR_DRIVE*)pEntryPoints->device;
+ WINPR_ASSERT(drive);
+
+#ifndef WIN32
+ if (strcmp(drive->Path, "*") == 0)
+ {
+ /* all drives */
+ free(drive->Path);
+ drive->Path = _strdup("/");
+
+ if (!drive->Path)
+ {
+ WLog_ERR(TAG, "_strdup failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+ }
+ else if (strcmp(drive->Path, "%") == 0)
+ {
+ free(drive->Path);
+ drive->Path = GetKnownPath(KNOWN_PATH_HOME);
+
+ if (!drive->Path)
+ {
+ WLog_ERR(TAG, "_strdup failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+ }
+
+ error =
+ drive_register_drive_path(pEntryPoints, drive->device.Name, drive->Path, drive->automount);
+#else
+ /* Special case: path[0] == '*' -> export all drives */
+ /* Special case: path[0] == '%' -> user home dir */
+ if (strcmp(drive->Path, "%") == 0)
+ {
+ GetEnvironmentVariableA("USERPROFILE", buf, sizeof(buf));
+ PathCchAddBackslashA(buf, sizeof(buf));
+ free(drive->Path);
+ drive->Path = _strdup(buf);
+
+ if (!drive->Path)
+ {
+ WLog_ERR(TAG, "_strdup failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ error = drive_register_drive_path(pEntryPoints, drive->device.Name, drive->Path,
+ drive->automount);
+ }
+ else if (strcmp(drive->Path, "*") == 0)
+ {
+ /* Enumerate all devices: */
+ GetLogicalDriveStringsA(sizeof(devlist) - 1, devlist);
+
+ for (size_t i = 0;; i++)
+ {
+ char* dev = &devlist[i * 4];
+ if (!*dev)
+ break;
+ if (*dev > 'B')
+ {
+ /* Suppress disk drives A and B to avoid pesty messages */
+ len = sprintf_s(buf, sizeof(buf) - 4, "%s", drive->device.Name);
+ buf[len] = '_';
+ buf[len + 1] = dev[0];
+ buf[len + 2] = 0;
+ buf[len + 3] = 0;
+
+ if (!(bufdup = _strdup(buf)))
+ {
+ WLog_ERR(TAG, "_strdup failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ if (!(devdup = _strdup(dev)))
+ {
+ WLog_ERR(TAG, "_strdup failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ if ((error = drive_register_drive_path(pEntryPoints, bufdup, devdup, TRUE)))
+ {
+ break;
+ }
+ }
+ }
+ }
+ else
+ {
+ error = drive_register_drive_path(pEntryPoints, drive->device.Name, drive->Path,
+ drive->automount);
+ }
+
+#endif
+ return error;
+}