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965d231e49
FreeRDP/channels/rdpdr/server/rdpdr_main.c
akallabeth 965d231e49
[return checks] fix use of CloseHandle
2024-09-16 08:22:31 +02:00

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Device Redirection Virtual Channel Extension
*
* Copyright 2014 Dell Software <Mike.McDonald@software.dell.com>
* Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2015-2022 Thincast Technologies GmbH
* Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
* Copyright 2022 Armin Novak <anovak@thincast.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 <freerdp/freerdp.h>
#include <freerdp/utils/rdpdr_utils.h>
#include <winpr/crt.h>
#include <winpr/assert.h>
#include <winpr/nt.h>
#include <winpr/print.h>
#include <winpr/stream.h>
#include <freerdp/channels/log.h>
#include "rdpdr_main.h"
#define RDPDR_ADD_PRINTER_EVENT 0x00000001
#define RDPDR_UPDATE_PRINTER_EVENT 0x00000002
#define RDPDR_DELETE_PRINTER_EVENT 0x00000003
#define RDPDR_RENAME_PRINTER_EVENT 0x00000004
#define RDPDR_HEADER_LENGTH 4
#define RDPDR_CAPABILITY_HEADER_LENGTH 8
struct s_rdpdr_server_private
{
HANDLE Thread;
HANDLE StopEvent;
void* ChannelHandle;
UINT32 ClientId;
UINT16 VersionMajor;
UINT16 VersionMinor;
char* ClientComputerName;
BOOL UserLoggedOnPdu;
wListDictionary* IrpList;
UINT32 NextCompletionId;
wHashTable* devicelist;
wLog* log;
};
static void rdpdr_device_free(RdpdrDevice* device)
{
if (!device)
return;
free(device->DeviceData);
free(device);
}
static void rdpdr_device_free_h(void* obj)
{
RdpdrDevice* other = obj;
rdpdr_device_free(other);
}
static UINT32 rdpdr_deviceid_hash(const void* id)
{
WINPR_ASSERT(id);
return *((const UINT32*)id);
}
static BOOL rdpdr_device_equal(const void* v1, const void* v2)
{
const UINT32* p1 = (const UINT32*)v1;
const UINT32* p2 = (const UINT32*)v2;
return *p1 == *p2;
}
static RdpdrDevice* rdpdr_device_new(void)
{
return calloc(1, sizeof(RdpdrDevice));
}
static void* rdpdr_device_clone(const void* val)
{
const RdpdrDevice* other = val;
if (!other)
return NULL;
RdpdrDevice* tmp = rdpdr_device_new();
if (!tmp)
goto fail;
*tmp = *other;
if (other->DeviceData)
{
tmp->DeviceData = malloc(other->DeviceDataLength);
if (!tmp->DeviceData)
goto fail;
memcpy(tmp->DeviceData, other->DeviceData, other->DeviceDataLength);
}
return tmp;
fail:
rdpdr_device_free(tmp);
return NULL;
}
static RdpdrDevice* rdpdr_get_device_by_id(RdpdrServerPrivate* priv, UINT32 DeviceId)
{
WINPR_ASSERT(priv);
return HashTable_GetItemValue(priv->devicelist, &DeviceId);
}
static BOOL rdpdr_remove_device_by_id(RdpdrServerPrivate* priv, UINT32 DeviceId)
{
const RdpdrDevice* device = rdpdr_get_device_by_id(priv, DeviceId);
WINPR_ASSERT(priv);
if (!device)
{
WLog_Print(priv->log, WLOG_WARN, "[del] Device Id: 0x%08" PRIX32 ": no such device",
DeviceId);
return FALSE;
}
WLog_Print(priv->log, WLOG_DEBUG,
"[del] Device Name: %s Id: 0x%08" PRIX32 " DataLength: %" PRIu32 "",
device->PreferredDosName, device->DeviceId, device->DeviceDataLength);
return HashTable_Remove(priv->devicelist, &DeviceId);
}
static BOOL rdpdr_add_device(RdpdrServerPrivate* priv, const RdpdrDevice* device)
{
WINPR_ASSERT(priv);
WINPR_ASSERT(device);
WLog_Print(priv->log, WLOG_DEBUG,
"[add] Device Name: %s Id: 0x%08" PRIX32 " DataLength: %" PRIu32 "",
device->PreferredDosName, device->DeviceId, device->DeviceDataLength);
return HashTable_Insert(priv->devicelist, &device->DeviceId, device);
}
static UINT32 g_ClientId = 0;
static const WCHAR* rdpdr_read_ustring(wLog* log, wStream* s, size_t bytelen)
{
const size_t charlen = (bytelen + 1) / sizeof(WCHAR);
const WCHAR* str = Stream_ConstPointer(s);
if (!Stream_CheckAndLogRequiredLengthWLog(log, s, bytelen))
return NULL;
if (_wcsnlen(str, charlen) == charlen)
{
WLog_Print(log, WLOG_WARN, "[rdpdr] unicode string not '\0' terminated");
return NULL;
}
Stream_Seek(s, bytelen);
return str;
}
static RDPDR_IRP* rdpdr_server_irp_new(void)
{
RDPDR_IRP* irp = (RDPDR_IRP*)calloc(1, sizeof(RDPDR_IRP));
return irp;
}
static void rdpdr_server_irp_free(RDPDR_IRP* irp)
{
free(irp);
}
static BOOL rdpdr_server_enqueue_irp(RdpdrServerContext* context, RDPDR_IRP* irp)
{
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
const uintptr_t key = irp->CompletionId + 1ull;
return ListDictionary_Add(context->priv->IrpList, (void*)key, irp);
}
static RDPDR_IRP* rdpdr_server_dequeue_irp(RdpdrServerContext* context, UINT32 completionId)
{
RDPDR_IRP* irp = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
const uintptr_t key = completionId + 1ull;
irp = (RDPDR_IRP*)ListDictionary_Take(context->priv->IrpList, (void*)key);
return irp;
}
static UINT rdpdr_seal_send_free_request(RdpdrServerContext* context, wStream* s)
{
BOOL status = 0;
size_t length = 0;
ULONG written = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(s);
Stream_SealLength(s);
length = Stream_Length(s);
WINPR_ASSERT(length <= ULONG_MAX);
Stream_SetPosition(s, 0);
if (length >= RDPDR_HEADER_LENGTH)
{
RDPDR_HEADER header = { 0 };
Stream_Read_UINT16(s, header.Component);
Stream_Read_UINT16(s, header.PacketId);
WLog_Print(context->priv->log, WLOG_DEBUG,
"sending message {Component %s[%04" PRIx16 "], PacketId %s[%04" PRIx16 "]",
rdpdr_component_string(header.Component), header.Component,
rdpdr_packetid_string(header.PacketId), header.PacketId);
}
winpr_HexLogDump(context->priv->log, WLOG_DEBUG, Stream_Buffer(s), Stream_Length(s));
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR)Stream_Buffer(s),
(ULONG)length, &written);
Stream_Free(s, TRUE);
return status ? CHANNEL_RC_OK : ERROR_INTERNAL_ERROR;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_send_announce_request(RdpdrServerContext* context)
{
UINT error = 0;
wStream* s = NULL;
RDPDR_HEADER header = { 0 };
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
header.Component = RDPDR_CTYP_CORE;
header.PacketId = PAKID_CORE_SERVER_ANNOUNCE;
error = IFCALLRESULT(CHANNEL_RC_OK, context->SendServerAnnounce, context);
if (error != CHANNEL_RC_OK)
return error;
s = Stream_New(NULL, RDPDR_HEADER_LENGTH + 8);
if (!s)
{
WLog_Print(context->priv->log, WLOG_ERROR, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
Stream_Write_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Write_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
Stream_Write_UINT16(s, context->priv->VersionMajor); /* VersionMajor (2 bytes) */
Stream_Write_UINT16(s, context->priv->VersionMinor); /* VersionMinor (2 bytes) */
Stream_Write_UINT32(s, context->priv->ClientId); /* ClientId (4 bytes) */
return rdpdr_seal_send_free_request(context, s);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_receive_announce_response(RdpdrServerContext* context, wStream* s,
const RDPDR_HEADER* header)
{
UINT32 ClientId = 0;
UINT16 VersionMajor = 0;
UINT16 VersionMinor = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(header);
WINPR_UNUSED(header);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 8))
return ERROR_INVALID_DATA;
Stream_Read_UINT16(s, VersionMajor); /* VersionMajor (2 bytes) */
Stream_Read_UINT16(s, VersionMinor); /* VersionMinor (2 bytes) */
Stream_Read_UINT32(s, ClientId); /* ClientId (4 bytes) */
WLog_Print(context->priv->log, WLOG_DEBUG,
"Client Announce Response: VersionMajor: 0x%08" PRIX16 " VersionMinor: 0x%04" PRIX16
" ClientId: 0x%08" PRIX32 "",
VersionMajor, VersionMinor, ClientId);
context->priv->ClientId = ClientId;
return IFCALLRESULT(CHANNEL_RC_OK, context->ReceiveAnnounceResponse, context, VersionMajor,
VersionMinor, ClientId);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_receive_client_name_request(RdpdrServerContext* context, wStream* s,
const RDPDR_HEADER* header)
{
UINT32 UnicodeFlag = 0;
UINT32 CodePage = 0;
UINT32 ComputerNameLen = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(s);
WINPR_ASSERT(header);
WINPR_UNUSED(header);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 12))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, UnicodeFlag); /* UnicodeFlag (4 bytes) */
Stream_Read_UINT32(s, CodePage); /* CodePage (4 bytes), MUST be set to zero */
Stream_Read_UINT32(s, ComputerNameLen); /* ComputerNameLen (4 bytes) */
/* UnicodeFlag is either 0 or 1, the other 31 bits must be ignored.
*/
UnicodeFlag = UnicodeFlag & 0x00000001;
if (CodePage != 0)
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.2.4 Client Name Request (DR_CORE_CLIENT_NAME_REQ)::CodePage "
"must be 0, but is 0x%08" PRIx32,
CodePage);
/**
* Caution: ComputerNameLen is given *bytes*,
* not in characters, including the NULL terminator!
*/
if (UnicodeFlag)
{
if ((ComputerNameLen % 2) || ComputerNameLen > 512 || ComputerNameLen < 2)
{
WLog_Print(context->priv->log, WLOG_ERROR,
"invalid unicode computer name length: %" PRIu32 "", ComputerNameLen);
return ERROR_INVALID_DATA;
}
}
else
{
if (ComputerNameLen > 256 || ComputerNameLen < 1)
{
WLog_Print(context->priv->log, WLOG_ERROR,
"invalid ascii computer name length: %" PRIu32 "", ComputerNameLen);
return ERROR_INVALID_DATA;
}
}
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, ComputerNameLen))
return ERROR_INVALID_DATA;
/* ComputerName must be null terminated, check if it really is */
const char* computerName = Stream_ConstPointer(s);
if (computerName[ComputerNameLen - 1] || (UnicodeFlag && computerName[ComputerNameLen - 2]))
{
WLog_Print(context->priv->log, WLOG_ERROR, "computer name must be null terminated");
return ERROR_INVALID_DATA;
}
if (context->priv->ClientComputerName)
{
free(context->priv->ClientComputerName);
context->priv->ClientComputerName = NULL;
}
if (UnicodeFlag)
{
context->priv->ClientComputerName =
Stream_Read_UTF16_String_As_UTF8(s, ComputerNameLen / sizeof(WCHAR), NULL);
if (!context->priv->ClientComputerName)
{
WLog_Print(context->priv->log, WLOG_ERROR, "failed to convert client computer name");
return ERROR_INVALID_DATA;
}
}
else
{
const char* name = Stream_ConstPointer(s);
context->priv->ClientComputerName = _strdup(name);
Stream_Seek(s, ComputerNameLen);
if (!context->priv->ClientComputerName)
{
WLog_Print(context->priv->log, WLOG_ERROR, "failed to duplicate client computer name");
return CHANNEL_RC_NO_MEMORY;
}
}
WLog_Print(context->priv->log, WLOG_DEBUG, "ClientComputerName: %s",
context->priv->ClientComputerName);
return IFCALLRESULT(CHANNEL_RC_OK, context->ReceiveClientNameRequest, context, ComputerNameLen,
context->priv->ClientComputerName);
}
static UINT rdpdr_server_write_capability_set_header_cb(RdpdrServerContext* context, wStream* s,
const RDPDR_CAPABILITY_HEADER* header)
{
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
UINT error = rdpdr_write_capset_header(context->priv->log, s, header);
if (error != CHANNEL_RC_OK)
return error;
return IFCALLRESULT(CHANNEL_RC_OK, context->SendCaps, context, header, 0, NULL);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_read_general_capability_set(RdpdrServerContext* context, wStream* s,
const RDPDR_CAPABILITY_HEADER* header)
{
UINT32 ioCode1 = 0;
UINT32 extraFlags1 = 0;
UINT32 extendedPdu = 0;
UINT16 VersionMajor = 0;
UINT16 VersionMinor = 0;
UINT32 SpecialTypeDeviceCap = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(header);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 32))
return ERROR_INVALID_DATA;
Stream_Seek_UINT32(s); /* osType (4 bytes), ignored on receipt */
Stream_Seek_UINT32(s); /* osVersion (4 bytes), unused and must be set to zero */
Stream_Read_UINT16(s, VersionMajor); /* protocolMajorVersion (2 bytes) */
Stream_Read_UINT16(s, VersionMinor); /* protocolMinorVersion (2 bytes) */
Stream_Read_UINT32(s, ioCode1); /* ioCode1 (4 bytes) */
Stream_Seek_UINT32(s); /* ioCode2 (4 bytes), must be set to zero, reserved for future use */
Stream_Read_UINT32(s, extendedPdu); /* extendedPdu (4 bytes) */
Stream_Read_UINT32(s, extraFlags1); /* extraFlags1 (4 bytes) */
Stream_Seek_UINT32(s); /* extraFlags2 (4 bytes), must be set to zero, reserved for future use */
if (VersionMajor != RDPDR_MAJOR_RDP_VERSION)
{
WLog_Print(context->priv->log, WLOG_ERROR, "unsupported RDPDR version %" PRIu16 ".%" PRIu16,
VersionMajor, VersionMinor);
return ERROR_INVALID_DATA;
}
switch (VersionMinor)
{
case RDPDR_MINOR_RDP_VERSION_13:
case RDPDR_MINOR_RDP_VERSION_6_X:
case RDPDR_MINOR_RDP_VERSION_5_2:
case RDPDR_MINOR_RDP_VERSION_5_1:
case RDPDR_MINOR_RDP_VERSION_5_0:
break;
default:
WLog_Print(context->priv->log, WLOG_WARN,
"unsupported RDPDR minor version %" PRIu16 ".%" PRIu16, VersionMajor,
VersionMinor);
break;
}
if (header->Version == GENERAL_CAPABILITY_VERSION_02)
{
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 4))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, SpecialTypeDeviceCap); /* SpecialTypeDeviceCap (4 bytes) */
}
context->priv->UserLoggedOnPdu = (extendedPdu & RDPDR_USER_LOGGEDON_PDU) ? TRUE : FALSE;
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_write_general_capability_set(RdpdrServerContext* context, wStream* s)
{
UINT32 ioCode1 = 0;
UINT32 extendedPdu = 0;
UINT32 extraFlags1 = 0;
UINT32 SpecialTypeDeviceCap = 0;
const RDPDR_CAPABILITY_HEADER header = { CAP_GENERAL_TYPE, RDPDR_CAPABILITY_HEADER_LENGTH + 36,
GENERAL_CAPABILITY_VERSION_02 };
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
ioCode1 = 0;
ioCode1 |= RDPDR_IRP_MJ_CREATE; /* always set */
ioCode1 |= RDPDR_IRP_MJ_CLEANUP; /* always set */
ioCode1 |= RDPDR_IRP_MJ_CLOSE; /* always set */
ioCode1 |= RDPDR_IRP_MJ_READ; /* always set */
ioCode1 |= RDPDR_IRP_MJ_WRITE; /* always set */
ioCode1 |= RDPDR_IRP_MJ_FLUSH_BUFFERS; /* always set */
ioCode1 |= RDPDR_IRP_MJ_SHUTDOWN; /* always set */
ioCode1 |= RDPDR_IRP_MJ_DEVICE_CONTROL; /* always set */
ioCode1 |= RDPDR_IRP_MJ_QUERY_VOLUME_INFORMATION; /* always set */
ioCode1 |= RDPDR_IRP_MJ_SET_VOLUME_INFORMATION; /* always set */
ioCode1 |= RDPDR_IRP_MJ_QUERY_INFORMATION; /* always set */
ioCode1 |= RDPDR_IRP_MJ_SET_INFORMATION; /* always set */
ioCode1 |= RDPDR_IRP_MJ_DIRECTORY_CONTROL; /* always set */
ioCode1 |= RDPDR_IRP_MJ_LOCK_CONTROL; /* always set */
ioCode1 |= RDPDR_IRP_MJ_QUERY_SECURITY; /* optional */
ioCode1 |= RDPDR_IRP_MJ_SET_SECURITY; /* optional */
extendedPdu = 0;
extendedPdu |= RDPDR_CLIENT_DISPLAY_NAME_PDU; /* always set */
extendedPdu |= RDPDR_DEVICE_REMOVE_PDUS; /* optional */
if (context->priv->UserLoggedOnPdu)
extendedPdu |= RDPDR_USER_LOGGEDON_PDU; /* optional */
extraFlags1 = 0;
extraFlags1 |= ENABLE_ASYNCIO; /* optional */
SpecialTypeDeviceCap = 0;
UINT error = rdpdr_write_capset_header(context->priv->log, s, &header);
if (error != CHANNEL_RC_OK)
return error;
const BYTE* data = Stream_ConstPointer(s);
const size_t start = Stream_GetPosition(s);
Stream_Write_UINT32(s, 0); /* osType (4 bytes), ignored on receipt */
Stream_Write_UINT32(s, 0); /* osVersion (4 bytes), unused and must be set to zero */
Stream_Write_UINT16(s, context->priv->VersionMajor); /* protocolMajorVersion (2 bytes) */
Stream_Write_UINT16(s, context->priv->VersionMinor); /* protocolMinorVersion (2 bytes) */
Stream_Write_UINT32(s, ioCode1); /* ioCode1 (4 bytes) */
Stream_Write_UINT32(s, 0); /* ioCode2 (4 bytes), must be set to zero, reserved for future use */
Stream_Write_UINT32(s, extendedPdu); /* extendedPdu (4 bytes) */
Stream_Write_UINT32(s, extraFlags1); /* extraFlags1 (4 bytes) */
Stream_Write_UINT32(
s, 0); /* extraFlags2 (4 bytes), must be set to zero, reserved for future use */
Stream_Write_UINT32(s, SpecialTypeDeviceCap); /* SpecialTypeDeviceCap (4 bytes) */
const size_t end = Stream_GetPosition(s);
return IFCALLRESULT(CHANNEL_RC_OK, context->SendCaps, context, &header, end - start, data);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_read_printer_capability_set(RdpdrServerContext* context, wStream* s,
const RDPDR_CAPABILITY_HEADER* header)
{
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(s);
WINPR_ASSERT(header);
WINPR_UNUSED(context);
WINPR_UNUSED(header);
WINPR_UNUSED(s);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_write_printer_capability_set(RdpdrServerContext* context, wStream* s)
{
const RDPDR_CAPABILITY_HEADER header = { CAP_PRINTER_TYPE, RDPDR_CAPABILITY_HEADER_LENGTH,
PRINT_CAPABILITY_VERSION_01 };
WINPR_UNUSED(context);
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
return rdpdr_server_write_capability_set_header_cb(context, s, &header);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_read_port_capability_set(RdpdrServerContext* context, wStream* s,
const RDPDR_CAPABILITY_HEADER* header)
{
WINPR_UNUSED(context);
WINPR_UNUSED(s);
WINPR_UNUSED(header);
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_write_port_capability_set(RdpdrServerContext* context, wStream* s)
{
const RDPDR_CAPABILITY_HEADER header = { CAP_PORT_TYPE, RDPDR_CAPABILITY_HEADER_LENGTH,
PORT_CAPABILITY_VERSION_01 };
WINPR_UNUSED(context);
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
return rdpdr_server_write_capability_set_header_cb(context, s, &header);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_read_drive_capability_set(RdpdrServerContext* context, wStream* s,
const RDPDR_CAPABILITY_HEADER* header)
{
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_UNUSED(context);
WINPR_UNUSED(header);
WINPR_UNUSED(s);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_write_drive_capability_set(RdpdrServerContext* context, wStream* s)
{
const RDPDR_CAPABILITY_HEADER header = { CAP_DRIVE_TYPE, RDPDR_CAPABILITY_HEADER_LENGTH,
DRIVE_CAPABILITY_VERSION_02 };
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_UNUSED(context);
return rdpdr_server_write_capability_set_header_cb(context, s, &header);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_read_smartcard_capability_set(RdpdrServerContext* context, wStream* s,
const RDPDR_CAPABILITY_HEADER* header)
{
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_UNUSED(context);
WINPR_UNUSED(header);
WINPR_UNUSED(s);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_write_smartcard_capability_set(RdpdrServerContext* context, wStream* s)
{
const RDPDR_CAPABILITY_HEADER header = { CAP_SMARTCARD_TYPE, RDPDR_CAPABILITY_HEADER_LENGTH,
SMARTCARD_CAPABILITY_VERSION_01 };
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_UNUSED(context);
return rdpdr_server_write_capability_set_header_cb(context, s, &header);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_send_core_capability_request(RdpdrServerContext* context)
{
wStream* s = NULL;
RDPDR_HEADER header = { 0 };
UINT16 numCapabilities = 0;
UINT error = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
header.Component = RDPDR_CTYP_CORE;
header.PacketId = PAKID_CORE_SERVER_CAPABILITY;
numCapabilities = 1;
if ((context->supported & RDPDR_DTYP_FILESYSTEM) != 0)
numCapabilities++;
if (((context->supported & RDPDR_DTYP_PARALLEL) != 0) ||
((context->supported & RDPDR_DTYP_SERIAL) != 0))
numCapabilities++;
if ((context->supported & RDPDR_DTYP_PRINT) != 0)
numCapabilities++;
if ((context->supported & RDPDR_DTYP_SMARTCARD) != 0)
numCapabilities++;
s = Stream_New(NULL, RDPDR_HEADER_LENGTH + 512);
if (!s)
{
WLog_Print(context->priv->log, WLOG_ERROR, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
Stream_Write_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Write_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
Stream_Write_UINT16(s, numCapabilities); /* numCapabilities (2 bytes) */
Stream_Write_UINT16(s, 0); /* Padding (2 bytes) */
if ((error = rdpdr_server_write_general_capability_set(context, s)))
{
WLog_Print(context->priv->log, WLOG_ERROR,
"rdpdr_server_write_general_capability_set failed with error %" PRIu32 "!",
error);
goto out;
}
if ((context->supported & RDPDR_DTYP_FILESYSTEM) != 0)
{
if ((error = rdpdr_server_write_drive_capability_set(context, s)))
{
WLog_Print(context->priv->log, WLOG_ERROR,
"rdpdr_server_write_drive_capability_set failed with error %" PRIu32 "!",
error);
goto out;
}
}
if (((context->supported & RDPDR_DTYP_PARALLEL) != 0) ||
((context->supported & RDPDR_DTYP_SERIAL) != 0))
{
if ((error = rdpdr_server_write_port_capability_set(context, s)))
{
WLog_Print(context->priv->log, WLOG_ERROR,
"rdpdr_server_write_port_capability_set failed with error %" PRIu32 "!",
error);
goto out;
}
}
if ((context->supported & RDPDR_DTYP_PRINT) != 0)
{
if ((error = rdpdr_server_write_printer_capability_set(context, s)))
{
WLog_Print(context->priv->log, WLOG_ERROR,
"rdpdr_server_write_printer_capability_set failed with error %" PRIu32 "!",
error);
goto out;
}
}
if ((context->supported & RDPDR_DTYP_SMARTCARD) != 0)
{
if ((error = rdpdr_server_write_smartcard_capability_set(context, s)))
{
WLog_Print(context->priv->log, WLOG_ERROR,
"rdpdr_server_write_printer_capability_set failed with error %" PRIu32 "!",
error);
goto out;
}
}
return rdpdr_seal_send_free_request(context, s);
out:
Stream_Free(s, TRUE);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_receive_core_capability_response(RdpdrServerContext* context, wStream* s,
const RDPDR_HEADER* header)
{
UINT status = 0;
UINT16 numCapabilities = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_UNUSED(header);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 4))
return ERROR_INVALID_DATA;
Stream_Read_UINT16(s, numCapabilities); /* numCapabilities (2 bytes) */
Stream_Seek_UINT16(s); /* Padding (2 bytes) */
UINT16 caps = 0;
for (UINT16 i = 0; i < numCapabilities; i++)
{
RDPDR_CAPABILITY_HEADER capabilityHeader = { 0 };
const size_t start = Stream_GetPosition(s);
if ((status = rdpdr_read_capset_header(context->priv->log, s, &capabilityHeader)))
{
WLog_Print(context->priv->log, WLOG_ERROR, "failed with error %" PRIu32 "!", status);
return status;
}
status = IFCALLRESULT(CHANNEL_RC_OK, context->ReceiveCaps, context, &capabilityHeader,
Stream_GetRemainingLength(s), Stream_ConstPointer(s));
if (status != CHANNEL_RC_OK)
return status;
caps |= capabilityHeader.CapabilityType;
switch (capabilityHeader.CapabilityType)
{
case CAP_GENERAL_TYPE:
if ((status =
rdpdr_server_read_general_capability_set(context, s, &capabilityHeader)))
{
WLog_Print(context->priv->log, WLOG_ERROR, "failed with error %" PRIu32 "!",
status);
return status;
}
break;
case CAP_PRINTER_TYPE:
if ((status =
rdpdr_server_read_printer_capability_set(context, s, &capabilityHeader)))
{
WLog_Print(context->priv->log, WLOG_ERROR, "failed with error %" PRIu32 "!",
status);
return status;
}
break;
case CAP_PORT_TYPE:
if ((status = rdpdr_server_read_port_capability_set(context, s, &capabilityHeader)))
{
WLog_Print(context->priv->log, WLOG_ERROR, "failed with error %" PRIu32 "!",
status);
return status;
}
break;
case CAP_DRIVE_TYPE:
if ((status =
rdpdr_server_read_drive_capability_set(context, s, &capabilityHeader)))
{
WLog_Print(context->priv->log, WLOG_ERROR, "failed with error %" PRIu32 "!",
status);
return status;
}
break;
case CAP_SMARTCARD_TYPE:
if ((status =
rdpdr_server_read_smartcard_capability_set(context, s, &capabilityHeader)))
{
WLog_Print(context->priv->log, WLOG_ERROR, "failed with error %" PRIu32 "!",
status);
return status;
}
break;
default:
WLog_Print(context->priv->log, WLOG_WARN, "Unknown capabilityType %" PRIu16 "",
capabilityHeader.CapabilityType);
Stream_Seek(s, capabilityHeader.CapabilityLength);
return ERROR_INVALID_DATA;
}
for (UINT16 x = 0; x < 16; x++)
{
const UINT16 mask = (UINT16)(1 << x);
if (((caps & mask) != 0) && ((context->supported & mask) == 0))
{
WLog_Print(context->priv->log, WLOG_WARN,
"client sent capability %s we did not announce!",
freerdp_rdpdr_dtyp_string(mask));
}
/* we assume the server supports the capability. so only deactivate what the client did
* not respond with */
if ((caps & mask) == 0)
context->supported &= ~mask;
}
const size_t end = Stream_GetPosition(s);
const size_t diff = end - start;
if (diff != capabilityHeader.CapabilityLength + RDPDR_CAPABILITY_HEADER_LENGTH)
{
WLog_Print(context->priv->log, WLOG_WARN,
"{capability %s[0x%04" PRIx16 "]} processed %" PRIuz
" bytes, but expected to be %" PRIu16,
rdpdr_cap_type_string(capabilityHeader.CapabilityType),
capabilityHeader.CapabilityType, diff, capabilityHeader.CapabilityLength);
}
}
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_send_client_id_confirm(RdpdrServerContext* context)
{
wStream* s = NULL;
RDPDR_HEADER header = { 0 };
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
header.Component = RDPDR_CTYP_CORE;
header.PacketId = PAKID_CORE_CLIENTID_CONFIRM;
s = Stream_New(NULL, RDPDR_HEADER_LENGTH + 8);
if (!s)
{
WLog_Print(context->priv->log, WLOG_ERROR, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
Stream_Write_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Write_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
Stream_Write_UINT16(s, context->priv->VersionMajor); /* VersionMajor (2 bytes) */
Stream_Write_UINT16(s, context->priv->VersionMinor); /* VersionMinor (2 bytes) */
Stream_Write_UINT32(s, context->priv->ClientId); /* ClientId (4 bytes) */
return rdpdr_seal_send_free_request(context, s);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_receive_device_list_announce_request(RdpdrServerContext* context,
wStream* s,
const RDPDR_HEADER* header)
{
UINT32 DeviceCount = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_UNUSED(header);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 4))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, DeviceCount); /* DeviceCount (4 bytes) */
WLog_Print(context->priv->log, WLOG_DEBUG, "DeviceCount: %" PRIu32 "", DeviceCount);
for (UINT32 i = 0; i < DeviceCount; i++)
{
UINT error = 0;
RdpdrDevice device = { 0 };
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 20))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, device.DeviceType); /* DeviceType (4 bytes) */
Stream_Read_UINT32(s, device.DeviceId); /* DeviceId (4 bytes) */
Stream_Read(s, device.PreferredDosName, 8); /* PreferredDosName (8 bytes) */
Stream_Read_UINT32(s, device.DeviceDataLength); /* DeviceDataLength (4 bytes) */
device.DeviceData = Stream_Pointer(s);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, device.DeviceDataLength))
return ERROR_INVALID_DATA;
if (!rdpdr_add_device(context->priv, &device))
return ERROR_INTERNAL_ERROR;
error = IFCALLRESULT(CHANNEL_RC_OK, context->ReceiveDeviceAnnounce, context, &device);
if (error != CHANNEL_RC_OK)
return error;
switch (device.DeviceType)
{
case RDPDR_DTYP_FILESYSTEM:
if ((context->supported & RDPDR_DTYP_FILESYSTEM) != 0)
error = IFCALLRESULT(CHANNEL_RC_OK, context->OnDriveCreate, context, &device);
break;
case RDPDR_DTYP_PRINT:
if ((context->supported & RDPDR_DTYP_PRINT) != 0)
error = IFCALLRESULT(CHANNEL_RC_OK, context->OnPrinterCreate, context, &device);
break;
case RDPDR_DTYP_SERIAL:
if (device.DeviceDataLength != 0)
{
WLog_Print(context->priv->log, WLOG_WARN,
"[rdpdr] RDPDR_DTYP_SERIAL::DeviceDataLength != 0 [%" PRIu32 "]",
device.DeviceDataLength);
error = ERROR_INVALID_DATA;
}
else if ((context->supported & RDPDR_DTYP_SERIAL) != 0)
error =
IFCALLRESULT(CHANNEL_RC_OK, context->OnSerialPortCreate, context, &device);
break;
case RDPDR_DTYP_PARALLEL:
if (device.DeviceDataLength != 0)
{
WLog_Print(context->priv->log, WLOG_WARN,
"[rdpdr] RDPDR_DTYP_PARALLEL::DeviceDataLength != 0 [%" PRIu32 "]",
device.DeviceDataLength);
error = ERROR_INVALID_DATA;
}
else if ((context->supported & RDPDR_DTYP_PARALLEL) != 0)
error = IFCALLRESULT(CHANNEL_RC_OK, context->OnParallelPortCreate, context,
&device);
break;
case RDPDR_DTYP_SMARTCARD:
if (device.DeviceDataLength != 0)
{
WLog_Print(context->priv->log, WLOG_WARN,
"[rdpdr] RDPDR_DTYP_SMARTCARD::DeviceDataLength != 0 [%" PRIu32 "]",
device.DeviceDataLength);
error = ERROR_INVALID_DATA;
}
else if ((context->supported & RDPDR_DTYP_SMARTCARD) != 0)
error =
IFCALLRESULT(CHANNEL_RC_OK, context->OnSmartcardCreate, context, &device);
break;
default:
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.2.9 Client Device List Announce Request "
"(DR_CORE_DEVICELIST_ANNOUNCE_REQ) unknown device type %04" PRIx16
" at position %" PRIu32,
device.DeviceType, i);
error = ERROR_INVALID_DATA;
break;
}
if (error != CHANNEL_RC_OK)
return error;
Stream_Seek(s, device.DeviceDataLength);
}
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_receive_device_list_remove_request(RdpdrServerContext* context, wStream* s,
const RDPDR_HEADER* header)
{
UINT32 DeviceCount = 0;
UINT32 DeviceType = 0;
UINT32 DeviceId = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_UNUSED(header);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 4))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, DeviceCount); /* DeviceCount (4 bytes) */
WLog_Print(context->priv->log, WLOG_DEBUG, "DeviceCount: %" PRIu32 "", DeviceCount);
for (UINT32 i = 0; i < DeviceCount; i++)
{
UINT error = 0;
const RdpdrDevice* device = NULL;
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 4))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, DeviceId); /* DeviceId (4 bytes) */
device = rdpdr_get_device_by_id(context->priv, DeviceId);
WLog_Print(context->priv->log, WLOG_DEBUG, "Device %" PRIu32 " Id: 0x%08" PRIX32 "", i,
DeviceId);
DeviceType = 0;
if (device)
DeviceType = device->DeviceType;
error =
IFCALLRESULT(CHANNEL_RC_OK, context->ReceiveDeviceRemove, context, DeviceId, device);
if (error != CHANNEL_RC_OK)
return error;
switch (DeviceType)
{
case RDPDR_DTYP_FILESYSTEM:
if ((context->supported & RDPDR_DTYP_FILESYSTEM) != 0)
error = IFCALLRESULT(CHANNEL_RC_OK, context->OnDriveDelete, context, DeviceId);
break;
case RDPDR_DTYP_PRINT:
if ((context->supported & RDPDR_DTYP_PRINT) != 0)
error =
IFCALLRESULT(CHANNEL_RC_OK, context->OnPrinterDelete, context, DeviceId);
break;
case RDPDR_DTYP_SERIAL:
if ((context->supported & RDPDR_DTYP_SERIAL) != 0)
error =
IFCALLRESULT(CHANNEL_RC_OK, context->OnSerialPortDelete, context, DeviceId);
break;
case RDPDR_DTYP_PARALLEL:
if ((context->supported & RDPDR_DTYP_PARALLEL) != 0)
error = IFCALLRESULT(CHANNEL_RC_OK, context->OnParallelPortDelete, context,
DeviceId);
break;
case RDPDR_DTYP_SMARTCARD:
if ((context->supported & RDPDR_DTYP_SMARTCARD) != 0)
error =
IFCALLRESULT(CHANNEL_RC_OK, context->OnSmartcardDelete, context, DeviceId);
break;
default:
break;
}
if (error != CHANNEL_RC_OK)
return error;
if (!rdpdr_remove_device_by_id(context->priv, DeviceId))
return ERROR_INVALID_DATA;
}
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_io_create_request(RdpdrServerContext* context, wStream* s,
UINT32 DeviceId, UINT32 FileId,
UINT32 CompletionId)
{
const WCHAR* path = NULL;
UINT32 DesiredAccess = 0;
UINT32 AllocationSize = 0;
UINT32 FileAttributes = 0;
UINT32 SharedAccess = 0;
UINT32 CreateDisposition = 0;
UINT32 CreateOptions = 0;
UINT32 PathLength = 0;
WINPR_ASSERT(context);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 32))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, DesiredAccess);
Stream_Read_UINT32(s, AllocationSize);
Stream_Read_UINT32(s, FileAttributes);
Stream_Read_UINT32(s, SharedAccess);
Stream_Read_UINT32(s, CreateDisposition);
Stream_Read_UINT32(s, CreateOptions);
Stream_Read_UINT32(s, PathLength);
path = rdpdr_read_ustring(context->priv->log, s, PathLength);
if (!path && (PathLength > 0))
return ERROR_INVALID_DATA;
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.1.4.1 Device Create Request (DR_CREATE_REQ) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO");
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_io_close_request(RdpdrServerContext* context, wStream* s,
UINT32 DeviceId, UINT32 FileId,
UINT32 CompletionId)
{
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 32))
return ERROR_INVALID_DATA;
Stream_Seek(s, 32); /* Padding */
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.1.4.2 Device Close Request (DR_CLOSE_REQ) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO");
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_io_read_request(RdpdrServerContext* context, wStream* s,
UINT32 DeviceId, UINT32 FileId,
UINT32 CompletionId)
{
UINT32 Length = 0;
UINT64 Offset = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 32))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, Length);
Stream_Read_UINT64(s, Offset);
Stream_Seek(s, 20); /* Padding */
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.1.4.3 Device Read Request (DR_READ_REQ) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO");
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_io_write_request(RdpdrServerContext* context, wStream* s,
UINT32 DeviceId, UINT32 FileId,
UINT32 CompletionId)
{
UINT32 Length = 0;
UINT64 Offset = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 32))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, Length);
Stream_Read_UINT64(s, Offset);
Stream_Seek(s, 20); /* Padding */
const BYTE* data = Stream_ConstPointer(s);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, Length))
return ERROR_INVALID_DATA;
Stream_Seek(s, Length);
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.1.4.4 Device Write Request (DR_WRITE_REQ) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO: parse %p", data);
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_io_device_control_request(RdpdrServerContext* context, wStream* s,
UINT32 DeviceId, UINT32 FileId,
UINT32 CompletionId)
{
UINT32 OutputBufferLength = 0;
UINT32 InputBufferLength = 0;
UINT32 IoControlCode = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 32))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, OutputBufferLength);
Stream_Read_UINT32(s, InputBufferLength);
Stream_Read_UINT32(s, IoControlCode);
Stream_Seek(s, 20); /* Padding */
const BYTE* InputBuffer = Stream_ConstPointer(s);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, InputBufferLength))
return ERROR_INVALID_DATA;
Stream_Seek(s, InputBufferLength);
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.1.4.5 Device Control Request (DR_CONTROL_REQ) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO: parse %p", InputBuffer);
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_io_query_volume_information_request(RdpdrServerContext* context,
wStream* s, UINT32 DeviceId,
UINT32 FileId,
UINT32 CompletionId)
{
UINT32 FsInformationClass = 0;
UINT32 Length = 0;
WINPR_ASSERT(context);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 32))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, FsInformationClass);
Stream_Read_UINT32(s, Length);
Stream_Seek(s, 24); /* Padding */
const BYTE* QueryVolumeBuffer = Stream_ConstPointer(s);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, Length))
return ERROR_INVALID_DATA;
Stream_Seek(s, Length);
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.3.3.6 Server Drive Query Volume Information Request "
"(DR_DRIVE_QUERY_VOLUME_INFORMATION_REQ) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO: parse %p", QueryVolumeBuffer);
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_io_set_volume_information_request(RdpdrServerContext* context,
wStream* s, UINT32 DeviceId,
UINT32 FileId,
UINT32 CompletionId)
{
UINT32 FsInformationClass = 0;
UINT32 Length = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 32))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, FsInformationClass);
Stream_Read_UINT32(s, Length);
Stream_Seek(s, 24); /* Padding */
const BYTE* SetVolumeBuffer = Stream_ConstPointer(s);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, Length))
return ERROR_INVALID_DATA;
Stream_Seek(s, Length);
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.3.3.7 Server Drive Set Volume Information Request "
"(DR_DRIVE_SET_VOLUME_INFORMATION_REQ) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO: parse %p", SetVolumeBuffer);
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_io_query_information_request(RdpdrServerContext* context,
wStream* s, UINT32 DeviceId,
UINT32 FileId, UINT32 CompletionId)
{
UINT32 FsInformationClass = 0;
UINT32 Length = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 32))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, FsInformationClass);
Stream_Read_UINT32(s, Length);
Stream_Seek(s, 24); /* Padding */
const BYTE* QueryBuffer = Stream_ConstPointer(s);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, Length))
return ERROR_INVALID_DATA;
Stream_Seek(s, Length);
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.3.3.8 Server Drive Query Information Request "
"(DR_DRIVE_QUERY_INFORMATION_REQ) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO: parse %p", QueryBuffer);
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_io_set_information_request(RdpdrServerContext* context, wStream* s,
UINT32 DeviceId, UINT32 FileId,
UINT32 CompletionId)
{
UINT32 FsInformationClass = 0;
UINT32 Length = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 32))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, FsInformationClass);
Stream_Read_UINT32(s, Length);
Stream_Seek(s, 24); /* Padding */
const BYTE* SetBuffer = Stream_ConstPointer(s);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, Length))
return ERROR_INVALID_DATA;
Stream_Seek(s, Length);
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.3.3.9 Server Drive Set Information Request "
"(DR_DRIVE_SET_INFORMATION_REQ) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO: parse %p", SetBuffer);
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_io_query_directory_request(RdpdrServerContext* context, wStream* s,
UINT32 DeviceId, UINT32 FileId,
UINT32 CompletionId)
{
BYTE InitialQuery = 0;
UINT32 FsInformationClass = 0;
UINT32 PathLength = 0;
const WCHAR* Path = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 32))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, FsInformationClass);
Stream_Read_UINT8(s, InitialQuery);
Stream_Read_UINT32(s, PathLength);
Stream_Seek(s, 23); /* Padding */
Path = rdpdr_read_ustring(context->priv->log, s, PathLength);
if (!Path && (PathLength > 0))
return ERROR_INVALID_DATA;
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.3.3.10 Server Drive Query Directory Request "
"(DR_DRIVE_QUERY_DIRECTORY_REQ) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO");
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_io_change_directory_request(RdpdrServerContext* context,
wStream* s, UINT32 DeviceId,
UINT32 FileId, UINT32 CompletionId)
{
BYTE WatchTree = 0;
UINT32 CompletionFilter = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 32))
return ERROR_INVALID_DATA;
Stream_Read_UINT8(s, WatchTree);
Stream_Read_UINT32(s, CompletionFilter);
Stream_Seek(s, 27); /* Padding */
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.3.3.11 Server Drive NotifyChange Directory Request "
"(DR_DRIVE_NOTIFY_CHANGE_DIRECTORY_REQ) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO");
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_io_directory_control_request(RdpdrServerContext* context,
wStream* s, UINT32 DeviceId,
UINT32 FileId, UINT32 CompletionId,
UINT32 MinorFunction)
{
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
switch (MinorFunction)
{
case IRP_MN_QUERY_DIRECTORY:
return rdpdr_server_receive_io_query_directory_request(context, s, DeviceId, FileId,
CompletionId);
case IRP_MN_NOTIFY_CHANGE_DIRECTORY:
return rdpdr_server_receive_io_change_directory_request(context, s, DeviceId, FileId,
CompletionId);
default:
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.1.4 Device I/O Request (DR_DEVICE_IOREQUEST) "
"MajorFunction=%s, MinorFunction=%08" PRIx32 " is not supported",
rdpdr_irp_string(IRP_MJ_DIRECTORY_CONTROL), MinorFunction);
return ERROR_INVALID_DATA;
}
}
static UINT rdpdr_server_receive_io_lock_control_request(RdpdrServerContext* context, wStream* s,
UINT32 DeviceId, UINT32 FileId,
UINT32 CompletionId)
{
UINT32 Operation = 0;
UINT32 Lock = 0;
UINT32 NumLocks = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 32))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, Operation);
Stream_Read_UINT32(s, Lock);
Stream_Read_UINT32(s, NumLocks);
Stream_Seek(s, 20); /* Padding */
Lock &= 0x01; /* Only byte 0 is of importance */
for (UINT32 x = 0; x < NumLocks; x++)
{
UINT64 Length = 0;
UINT64 Offset = 0;
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 16))
return ERROR_INVALID_DATA;
Stream_Read_UINT64(s, Length);
Stream_Read_UINT64(s, Offset);
}
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.3.3.12 Server Drive Lock Control Request (DR_DRIVE_LOCK_REQ) "
"[Lock=0x%08" PRIx32 "]"
"not implemented",
Lock);
WLog_Print(context->priv->log, WLOG_WARN, "TODO");
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_device_io_request(RdpdrServerContext* context, wStream* s,
const RDPDR_HEADER* header)
{
UINT32 DeviceId = 0;
UINT32 FileId = 0;
UINT32 CompletionId = 0;
UINT32 MajorFunction = 0;
UINT32 MinorFunction = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(header);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 20))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, DeviceId);
Stream_Read_UINT32(s, FileId);
Stream_Read_UINT32(s, CompletionId);
Stream_Read_UINT32(s, MajorFunction);
Stream_Read_UINT32(s, MinorFunction);
if ((MinorFunction != 0) && (MajorFunction != IRP_MJ_DIRECTORY_CONTROL))
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.1.4 Device I/O Request (DR_DEVICE_IOREQUEST) MajorFunction=%s, "
"MinorFunction=0x%08" PRIx32 " != 0",
rdpdr_irp_string(MajorFunction), MinorFunction);
switch (MajorFunction)
{
case IRP_MJ_CREATE:
return rdpdr_server_receive_io_create_request(context, s, DeviceId, FileId,
CompletionId);
case IRP_MJ_CLOSE:
return rdpdr_server_receive_io_close_request(context, s, DeviceId, FileId,
CompletionId);
case IRP_MJ_READ:
return rdpdr_server_receive_io_read_request(context, s, DeviceId, FileId, CompletionId);
case IRP_MJ_WRITE:
return rdpdr_server_receive_io_write_request(context, s, DeviceId, FileId,
CompletionId);
case IRP_MJ_DEVICE_CONTROL:
return rdpdr_server_receive_io_device_control_request(context, s, DeviceId, FileId,
CompletionId);
case IRP_MJ_QUERY_VOLUME_INFORMATION:
return rdpdr_server_receive_io_query_volume_information_request(context, s, DeviceId,
FileId, CompletionId);
case IRP_MJ_QUERY_INFORMATION:
return rdpdr_server_receive_io_query_information_request(context, s, DeviceId, FileId,
CompletionId);
case IRP_MJ_SET_INFORMATION:
return rdpdr_server_receive_io_set_information_request(context, s, DeviceId, FileId,
CompletionId);
case IRP_MJ_DIRECTORY_CONTROL:
return rdpdr_server_receive_io_directory_control_request(context, s, DeviceId, FileId,
CompletionId, MinorFunction);
case IRP_MJ_LOCK_CONTROL:
return rdpdr_server_receive_io_lock_control_request(context, s, DeviceId, FileId,
CompletionId);
default:
WLog_Print(
context->priv->log, WLOG_WARN,
"[MS-RDPEFS] 2.2.1.4 Device I/O Request (DR_DEVICE_IOREQUEST) not implemented");
WLog_Print(context->priv->log, WLOG_WARN,
"got DeviceId=0x%08" PRIx32 ", FileId=0x%08" PRIx32
", CompletionId=0x%08" PRIx32 ", MajorFunction=0x%08" PRIx32
", MinorFunction=0x%08" PRIx32,
DeviceId, FileId, CompletionId, MajorFunction, MinorFunction);
return ERROR_INVALID_DATA;
}
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_receive_device_io_completion(RdpdrServerContext* context, wStream* s,
const RDPDR_HEADER* header)
{
UINT32 deviceId = 0;
UINT32 completionId = 0;
UINT32 ioStatus = 0;
RDPDR_IRP* irp = NULL;
UINT error = CHANNEL_RC_OK;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(s);
WINPR_ASSERT(header);
WINPR_UNUSED(header);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 12))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, deviceId);
Stream_Read_UINT32(s, completionId);
Stream_Read_UINT32(s, ioStatus);
WLog_Print(context->priv->log, WLOG_DEBUG,
"deviceId=%" PRIu32 ", completionId=0x%" PRIx32 ", ioStatus=0x%" PRIx32 "", deviceId,
completionId, ioStatus);
irp = rdpdr_server_dequeue_irp(context, completionId);
if (!irp)
{
WLog_Print(context->priv->log, WLOG_ERROR, "IRP not found for completionId=0x%" PRIx32 "",
completionId);
return CHANNEL_RC_OK;
}
/* Invoke the callback. */
if (irp->Callback)
{
error = (*irp->Callback)(context, s, irp, deviceId, completionId, ioStatus);
}
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_send_user_logged_on(RdpdrServerContext* context)
{
wStream* s = NULL;
RDPDR_HEADER header = { 0 };
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
header.Component = RDPDR_CTYP_CORE;
header.PacketId = PAKID_CORE_USER_LOGGEDON;
s = Stream_New(NULL, RDPDR_HEADER_LENGTH);
if (!s)
{
WLog_Print(context->priv->log, WLOG_ERROR, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
Stream_Write_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Write_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
return rdpdr_seal_send_free_request(context, s);
}
static UINT rdpdr_server_receive_prn_cache_add_printer(RdpdrServerContext* context, wStream* s)
{
char PortDosName[9] = { 0 };
UINT32 PnPNameLen = 0;
UINT32 DriverNameLen = 0;
UINT32 PrinterNameLen = 0;
UINT32 CachedFieldsLen = 0;
const WCHAR* PnPName = NULL;
const WCHAR* DriverName = NULL;
const WCHAR* PrinterName = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 24))
return ERROR_INVALID_DATA;
Stream_Read(s, PortDosName, 8);
Stream_Read_UINT32(s, PnPNameLen);
Stream_Read_UINT32(s, DriverNameLen);
Stream_Read_UINT32(s, PrinterNameLen);
Stream_Read_UINT32(s, CachedFieldsLen);
PnPName = rdpdr_read_ustring(context->priv->log, s, PnPNameLen);
if (!PnPName && (PnPNameLen > 0))
return ERROR_INVALID_DATA;
DriverName = rdpdr_read_ustring(context->priv->log, s, DriverNameLen);
if (!DriverName && (DriverNameLen > 0))
return ERROR_INVALID_DATA;
PrinterName = rdpdr_read_ustring(context->priv->log, s, PrinterNameLen);
if (!PrinterName && (PrinterNameLen > 0))
return ERROR_INVALID_DATA;
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, CachedFieldsLen))
return ERROR_INVALID_DATA;
Stream_Seek(s, CachedFieldsLen);
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEPC] 2.2.2.3 Add Printer Cachedata (DR_PRN_ADD_CACHEDATA) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO");
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_prn_cache_update_printer(RdpdrServerContext* context, wStream* s)
{
UINT32 PrinterNameLen = 0;
UINT32 CachedFieldsLen = 0;
const WCHAR* PrinterName = NULL;
WINPR_ASSERT(context);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 8))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, PrinterNameLen);
Stream_Read_UINT32(s, CachedFieldsLen);
PrinterName = rdpdr_read_ustring(context->priv->log, s, PrinterNameLen);
if (!PrinterName && (PrinterNameLen > 0))
return ERROR_INVALID_DATA;
const BYTE* config = Stream_ConstPointer(s);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, CachedFieldsLen))
return ERROR_INVALID_DATA;
Stream_Seek(s, CachedFieldsLen);
WLog_Print(
context->priv->log, WLOG_WARN,
"[MS-RDPEPC] 2.2.2.4 Update Printer Cachedata (DR_PRN_UPDATE_CACHEDATA) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO: parse %p", config);
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_prn_cache_delete_printer(RdpdrServerContext* context, wStream* s)
{
UINT32 PrinterNameLen = 0;
const WCHAR* PrinterName = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 4))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, PrinterNameLen);
PrinterName = rdpdr_read_ustring(context->priv->log, s, PrinterNameLen);
if (!PrinterName && (PrinterNameLen > 0))
return ERROR_INVALID_DATA;
WLog_Print(
context->priv->log, WLOG_WARN,
"[MS-RDPEPC] 2.2.2.5 Delete Printer Cachedata (DR_PRN_DELETE_CACHEDATA) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO");
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_prn_cache_rename_cachedata(RdpdrServerContext* context, wStream* s)
{
UINT32 OldPrinterNameLen = 0;
UINT32 NewPrinterNameLen = 0;
const WCHAR* OldPrinterName = NULL;
const WCHAR* NewPrinterName = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 8))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, OldPrinterNameLen);
Stream_Read_UINT32(s, NewPrinterNameLen);
OldPrinterName = rdpdr_read_ustring(context->priv->log, s, OldPrinterNameLen);
if (!OldPrinterName && (OldPrinterNameLen > 0))
return ERROR_INVALID_DATA;
NewPrinterName = rdpdr_read_ustring(context->priv->log, s, NewPrinterNameLen);
if (!NewPrinterName && (NewPrinterNameLen > 0))
return ERROR_INVALID_DATA;
WLog_Print(
context->priv->log, WLOG_WARN,
"[MS-RDPEPC] 2.2.2.6 Rename Printer Cachedata (DR_PRN_RENAME_CACHEDATA) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "TODO");
return CHANNEL_RC_OK;
}
static UINT rdpdr_server_receive_prn_cache_data_request(RdpdrServerContext* context, wStream* s,
const RDPDR_HEADER* header)
{
UINT32 EventId = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(header);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 4))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, EventId);
switch (EventId)
{
case RDPDR_ADD_PRINTER_EVENT:
return rdpdr_server_receive_prn_cache_add_printer(context, s);
case RDPDR_UPDATE_PRINTER_EVENT:
return rdpdr_server_receive_prn_cache_update_printer(context, s);
case RDPDR_DELETE_PRINTER_EVENT:
return rdpdr_server_receive_prn_cache_delete_printer(context, s);
case RDPDR_RENAME_PRINTER_EVENT:
return rdpdr_server_receive_prn_cache_rename_cachedata(context, s);
default:
WLog_Print(context->priv->log, WLOG_WARN,
"[MS-RDPEPC] PAKID_PRN_CACHE_DATA unknown EventId=0x%08" PRIx32, EventId);
return ERROR_INVALID_DATA;
}
}
static UINT rdpdr_server_receive_prn_using_xps_request(RdpdrServerContext* context, wStream* s,
const RDPDR_HEADER* header)
{
UINT32 PrinterId = 0;
UINT32 Flags = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(header);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 8))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, PrinterId);
Stream_Read_UINT32(s, Flags);
WLog_Print(
context->priv->log, WLOG_WARN,
"[MS-RDPEPC] 2.2.2.2 Server Printer Set XPS Mode (DR_PRN_USING_XPS) not implemented");
WLog_Print(context->priv->log, WLOG_WARN, "PrinterId=0x%08" PRIx32 ", Flags=0x%08" PRIx32,
PrinterId, Flags);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_receive_pdu(RdpdrServerContext* context, wStream* s,
const RDPDR_HEADER* header)
{
UINT error = ERROR_INVALID_DATA;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(s);
WINPR_ASSERT(header);
WLog_Print(context->priv->log, WLOG_DEBUG,
"receiving message {Component %s[%04" PRIx16 "], PacketId %s[%04" PRIx16 "]",
rdpdr_component_string(header->Component), header->Component,
rdpdr_packetid_string(header->PacketId), header->PacketId);
if (header->Component == RDPDR_CTYP_CORE)
{
switch (header->PacketId)
{
case PAKID_CORE_SERVER_ANNOUNCE:
WLog_Print(context->priv->log, WLOG_ERROR,
"[MS-RDPEFS] 2.2.2.2 Server Announce Request "
"(DR_CORE_SERVER_ANNOUNCE_REQ) must not be sent by a client!");
break;
case PAKID_CORE_CLIENTID_CONFIRM:
error = rdpdr_server_receive_announce_response(context, s, header);
break;
case PAKID_CORE_CLIENT_NAME:
error = rdpdr_server_receive_client_name_request(context, s, header);
if (error == CHANNEL_RC_OK)
error = rdpdr_server_send_core_capability_request(context);
if (error == CHANNEL_RC_OK)
error = rdpdr_server_send_client_id_confirm(context);
break;
case PAKID_CORE_USER_LOGGEDON:
WLog_Print(context->priv->log, WLOG_ERROR,
"[MS-RDPEFS] 2.2.2.5 Server User Logged On (DR_CORE_USER_LOGGEDON) "
"must not be sent by a client!");
break;
case PAKID_CORE_SERVER_CAPABILITY:
WLog_Print(context->priv->log, WLOG_ERROR,
"[MS-RDPEFS] 2.2.2.7 Server Core Capability Request "
"(DR_CORE_CAPABILITY_REQ) must not be sent by a client!");
break;
case PAKID_CORE_CLIENT_CAPABILITY:
error = rdpdr_server_receive_core_capability_response(context, s, header);
if (error == CHANNEL_RC_OK)
{
if (context->priv->UserLoggedOnPdu)
error = rdpdr_server_send_user_logged_on(context);
}
break;
case PAKID_CORE_DEVICELIST_ANNOUNCE:
error = rdpdr_server_receive_device_list_announce_request(context, s, header);
break;
case PAKID_CORE_DEVICELIST_REMOVE:
error = rdpdr_server_receive_device_list_remove_request(context, s, header);
break;
case PAKID_CORE_DEVICE_REPLY:
WLog_Print(context->priv->log, WLOG_ERROR,
"[MS-RDPEFS] 2.2.2.1 Server Device Announce Response "
"(DR_CORE_DEVICE_ANNOUNCE_RSP) must not be sent by a client!");
break;
case PAKID_CORE_DEVICE_IOREQUEST:
error = rdpdr_server_receive_device_io_request(context, s, header);
break;
case PAKID_CORE_DEVICE_IOCOMPLETION:
error = rdpdr_server_receive_device_io_completion(context, s, header);
break;
default:
WLog_Print(context->priv->log, WLOG_WARN,
"Unknown RDPDR_HEADER.Component: %s [0x%04" PRIx16 "], PacketId: %s",
rdpdr_component_string(header->Component), header->Component,
rdpdr_packetid_string(header->PacketId));
break;
}
}
else if (header->Component == RDPDR_CTYP_PRN)
{
switch (header->PacketId)
{
case PAKID_PRN_CACHE_DATA:
error = rdpdr_server_receive_prn_cache_data_request(context, s, header);
break;
case PAKID_PRN_USING_XPS:
error = rdpdr_server_receive_prn_using_xps_request(context, s, header);
break;
default:
WLog_Print(context->priv->log, WLOG_WARN,
"Unknown RDPDR_HEADER.Component: %s [0x%04" PRIx16 "], PacketId: %s",
rdpdr_component_string(header->Component), header->Component,
rdpdr_packetid_string(header->PacketId));
break;
}
}
else
{
WLog_Print(context->priv->log, WLOG_WARN,
"Unknown RDPDR_HEADER.Component: %s [0x%04" PRIx16 "], PacketId: %s",
rdpdr_component_string(header->Component), header->Component,
rdpdr_packetid_string(header->PacketId));
}
return IFCALLRESULT(error, context->ReceivePDU, context, header, error);
}
static DWORD WINAPI rdpdr_server_thread(LPVOID arg)
{
DWORD status = 0;
DWORD nCount = 0;
void* buffer = NULL;
HANDLE events[8] = { 0 };
HANDLE ChannelEvent = NULL;
DWORD BytesReturned = 0;
UINT error = 0;
RdpdrServerContext* context = (RdpdrServerContext*)arg;
wStream* s = Stream_New(NULL, 4096);
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (!s)
{
WLog_Print(context->priv->log, WLOG_ERROR, "Stream_New failed!");
error = CHANNEL_RC_NO_MEMORY;
goto out;
}
if (WTSVirtualChannelQuery(context->priv->ChannelHandle, WTSVirtualEventHandle, &buffer,
&BytesReturned) == TRUE)
{
if (BytesReturned == sizeof(HANDLE))
CopyMemory(&ChannelEvent, buffer, sizeof(HANDLE));
WTSFreeMemory(buffer);
}
nCount = 0;
events[nCount++] = ChannelEvent;
events[nCount++] = context->priv->StopEvent;
if ((error = rdpdr_server_send_announce_request(context)))
{
WLog_Print(context->priv->log, WLOG_ERROR,
"rdpdr_server_send_announce_request failed with error %" PRIu32 "!", error);
goto out_stream;
}
while (1)
{
size_t capacity = 0;
BytesReturned = 0;
status = WaitForMultipleObjects(nCount, events, FALSE, INFINITE);
if (status == WAIT_FAILED)
{
error = GetLastError();
WLog_Print(context->priv->log, WLOG_ERROR,
"WaitForMultipleObjects failed with error %" PRIu32 "!", error);
goto out_stream;
}
status = WaitForSingleObject(context->priv->StopEvent, 0);
if (status == WAIT_FAILED)
{
error = GetLastError();
WLog_Print(context->priv->log, WLOG_ERROR,
"WaitForSingleObject failed with error %" PRIu32 "!", error);
goto out_stream;
}
if (status == WAIT_OBJECT_0)
break;
if (!WTSVirtualChannelRead(context->priv->ChannelHandle, 0, NULL, 0, &BytesReturned))
{
WLog_Print(context->priv->log, WLOG_ERROR, "WTSVirtualChannelRead failed!");
error = ERROR_INTERNAL_ERROR;
break;
}
if (!Stream_EnsureRemainingCapacity(s, BytesReturned))
{
WLog_Print(context->priv->log, WLOG_ERROR, "Stream_EnsureRemainingCapacity failed!");
error = ERROR_INTERNAL_ERROR;
break;
}
capacity = MIN(Stream_Capacity(s), ULONG_MAX);
if (!WTSVirtualChannelRead(context->priv->ChannelHandle, 0, (PCHAR)Stream_Buffer(s),
(ULONG)capacity, &BytesReturned))
{
WLog_Print(context->priv->log, WLOG_ERROR, "WTSVirtualChannelRead failed!");
error = ERROR_INTERNAL_ERROR;
break;
}
if (BytesReturned >= RDPDR_HEADER_LENGTH)
{
Stream_SetPosition(s, 0);
Stream_SetLength(s, BytesReturned);
while (Stream_GetRemainingLength(s) >= RDPDR_HEADER_LENGTH)
{
RDPDR_HEADER header = { 0 };
Stream_Read_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Read_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
if ((error = rdpdr_server_receive_pdu(context, s, &header)))
{
WLog_Print(context->priv->log, WLOG_ERROR,
"rdpdr_server_receive_pdu failed with error %" PRIu32 "!", error);
goto out_stream;
}
}
}
}
out_stream:
Stream_Free(s, TRUE);
out:
if (error && context->rdpcontext)
setChannelError(context->rdpcontext, error, "rdpdr_server_thread reported an error");
ExitThread(error);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_start(RdpdrServerContext* context)
{
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
context->priv->ChannelHandle =
WTSVirtualChannelOpen(context->vcm, WTS_CURRENT_SESSION, RDPDR_SVC_CHANNEL_NAME);
if (!context->priv->ChannelHandle)
{
WLog_Print(context->priv->log, WLOG_ERROR, "WTSVirtualChannelOpen failed!");
return CHANNEL_RC_BAD_CHANNEL;
}
if (!(context->priv->StopEvent = CreateEvent(NULL, TRUE, FALSE, NULL)))
{
WLog_Print(context->priv->log, WLOG_ERROR, "CreateEvent failed!");
return ERROR_INTERNAL_ERROR;
}
if (!(context->priv->Thread =
CreateThread(NULL, 0, rdpdr_server_thread, (void*)context, 0, NULL)))
{
WLog_Print(context->priv->log, WLOG_ERROR, "CreateThread failed!");
(void)CloseHandle(context->priv->StopEvent);
context->priv->StopEvent = NULL;
return ERROR_INTERNAL_ERROR;
}
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_stop(RdpdrServerContext* context)
{
UINT error = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
if (context->priv->StopEvent)
{
(void)SetEvent(context->priv->StopEvent);
if (WaitForSingleObject(context->priv->Thread, INFINITE) == WAIT_FAILED)
{
error = GetLastError();
WLog_Print(context->priv->log, WLOG_ERROR,
"WaitForSingleObject failed with error %" PRIu32 "!", error);
return error;
}
(void)CloseHandle(context->priv->Thread);
context->priv->Thread = NULL;
(void)CloseHandle(context->priv->StopEvent);
context->priv->StopEvent = NULL;
}
if (context->priv->ChannelHandle)
{
(void)WTSVirtualChannelClose(context->priv->ChannelHandle);
context->priv->ChannelHandle = NULL;
}
return CHANNEL_RC_OK;
}
static void rdpdr_server_write_device_iorequest(wStream* s, UINT32 deviceId, UINT32 fileId,
UINT32 completionId, UINT32 majorFunction,
UINT32 minorFunction)
{
Stream_Write_UINT16(s, RDPDR_CTYP_CORE); /* Component (2 bytes) */
Stream_Write_UINT16(s, PAKID_CORE_DEVICE_IOREQUEST); /* PacketId (2 bytes) */
Stream_Write_UINT32(s, deviceId); /* DeviceId (4 bytes) */
Stream_Write_UINT32(s, fileId); /* FileId (4 bytes) */
Stream_Write_UINT32(s, completionId); /* CompletionId (4 bytes) */
Stream_Write_UINT32(s, majorFunction); /* MajorFunction (4 bytes) */
Stream_Write_UINT32(s, minorFunction); /* MinorFunction (4 bytes) */
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_read_file_directory_information(wLog* log, wStream* s,
FILE_DIRECTORY_INFORMATION* fdi)
{
UINT32 fileNameLength = 0;
WINPR_ASSERT(fdi);
ZeroMemory(fdi, sizeof(FILE_DIRECTORY_INFORMATION));
if (!Stream_CheckAndLogRequiredLengthWLog(log, s, 64))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, fdi->NextEntryOffset); /* NextEntryOffset (4 bytes) */
Stream_Read_UINT32(s, fdi->FileIndex); /* FileIndex (4 bytes) */
Stream_Read_INT64(s, fdi->CreationTime.QuadPart); /* CreationTime (8 bytes) */
Stream_Read_INT64(s, fdi->LastAccessTime.QuadPart); /* LastAccessTime (8 bytes) */
Stream_Read_INT64(s, fdi->LastWriteTime.QuadPart); /* LastWriteTime (8 bytes) */
Stream_Read_INT64(s, fdi->ChangeTime.QuadPart); /* ChangeTime (8 bytes) */
Stream_Read_INT64(s, fdi->EndOfFile.QuadPart); /* EndOfFile (8 bytes) */
Stream_Read_INT64(s, fdi->AllocationSize.QuadPart); /* AllocationSize (8 bytes) */
Stream_Read_UINT32(s, fdi->FileAttributes); /* FileAttributes (4 bytes) */
Stream_Read_UINT32(s, fileNameLength); /* FileNameLength (4 bytes) */
if (!Stream_CheckAndLogRequiredLengthWLog(log, s, fileNameLength))
return ERROR_INVALID_DATA;
if (Stream_Read_UTF16_String_As_UTF8_Buffer(s, fileNameLength / sizeof(WCHAR), fdi->FileName,
ARRAYSIZE(fdi->FileName)) < 0)
return ERROR_INVALID_DATA;
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_send_device_create_request(RdpdrServerContext* context, UINT32 deviceId,
UINT32 completionId, const char* path,
UINT32 desiredAccess, UINT32 createOptions,
UINT32 createDisposition)
{
size_t pathLength = 0;
wStream* s = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerSendDeviceCreateRequest: deviceId=%" PRIu32
", path=%s, desiredAccess=0x%" PRIx32 " createOptions=0x%" PRIx32
" createDisposition=0x%" PRIx32 "",
deviceId, path, desiredAccess, createOptions, createDisposition);
/* Compute the required Unicode size. */
pathLength = (strlen(path) + 1U) * sizeof(WCHAR);
s = Stream_New(NULL, 256U + pathLength);
if (!s)
{
WLog_Print(context->priv->log, WLOG_ERROR, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
rdpdr_server_write_device_iorequest(s, deviceId, 0, completionId, IRP_MJ_CREATE, 0);
Stream_Write_UINT32(s, desiredAccess); /* DesiredAccess (4 bytes) */
Stream_Write_UINT32(s, 0); /* AllocationSize (8 bytes) */
Stream_Write_UINT32(s, 0);
Stream_Write_UINT32(s, 0); /* FileAttributes (4 bytes) */
Stream_Write_UINT32(s, 3); /* SharedAccess (4 bytes) */
Stream_Write_UINT32(s, createDisposition); /* CreateDisposition (4 bytes) */
Stream_Write_UINT32(s, createOptions); /* CreateOptions (4 bytes) */
WINPR_ASSERT(pathLength <= UINT32_MAX);
Stream_Write_UINT32(s, (UINT32)pathLength); /* PathLength (4 bytes) */
/* Convert the path to Unicode. */
if (Stream_Write_UTF16_String_From_UTF8(s, pathLength / sizeof(WCHAR), path,
pathLength / sizeof(WCHAR), TRUE) < 0)
{
Stream_Free(s, TRUE);
return ERROR_INTERNAL_ERROR;
}
return rdpdr_seal_send_free_request(context, s);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_send_device_close_request(RdpdrServerContext* context, UINT32 deviceId,
UINT32 fileId, UINT32 completionId)
{
wStream* s = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerSendDeviceCloseRequest: deviceId=%" PRIu32 ", fileId=%" PRIu32 "",
deviceId, fileId);
s = Stream_New(NULL, 128);
if (!s)
{
WLog_Print(context->priv->log, WLOG_ERROR, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
rdpdr_server_write_device_iorequest(s, deviceId, fileId, completionId, IRP_MJ_CLOSE, 0);
Stream_Zero(s, 32); /* Padding (32 bytes) */
return rdpdr_seal_send_free_request(context, s);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_send_device_read_request(RdpdrServerContext* context, UINT32 deviceId,
UINT32 fileId, UINT32 completionId, UINT32 length,
UINT32 offset)
{
wStream* s = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerSendDeviceReadRequest: deviceId=%" PRIu32 ", fileId=%" PRIu32
", length=%" PRIu32 ", offset=%" PRIu32 "",
deviceId, fileId, length, offset);
s = Stream_New(NULL, 128);
if (!s)
{
WLog_Print(context->priv->log, WLOG_ERROR, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
rdpdr_server_write_device_iorequest(s, deviceId, fileId, completionId, IRP_MJ_READ, 0);
Stream_Write_UINT32(s, length); /* Length (4 bytes) */
Stream_Write_UINT32(s, offset); /* Offset (8 bytes) */
Stream_Write_UINT32(s, 0);
Stream_Zero(s, 20); /* Padding (20 bytes) */
return rdpdr_seal_send_free_request(context, s);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_send_device_write_request(RdpdrServerContext* context, UINT32 deviceId,
UINT32 fileId, UINT32 completionId,
const char* data, UINT32 length, UINT32 offset)
{
wStream* s = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerSendDeviceWriteRequest: deviceId=%" PRIu32 ", fileId=%" PRIu32
", length=%" PRIu32 ", offset=%" PRIu32 "",
deviceId, fileId, length, offset);
s = Stream_New(NULL, 64 + length);
if (!s)
{
WLog_Print(context->priv->log, WLOG_ERROR, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
rdpdr_server_write_device_iorequest(s, deviceId, fileId, completionId, IRP_MJ_WRITE, 0);
Stream_Write_UINT32(s, length); /* Length (4 bytes) */
Stream_Write_UINT32(s, offset); /* Offset (8 bytes) */
Stream_Write_UINT32(s, 0);
Stream_Zero(s, 20); /* Padding (20 bytes) */
Stream_Write(s, data, length); /* WriteData (variable) */
return rdpdr_seal_send_free_request(context, s);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_send_device_query_directory_request(RdpdrServerContext* context,
UINT32 deviceId, UINT32 fileId,
UINT32 completionId, const char* path)
{
size_t pathLength = 0;
wStream* s = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerSendDeviceQueryDirectoryRequest: deviceId=%" PRIu32 ", fileId=%" PRIu32
", path=%s",
deviceId, fileId, path);
/* Compute the required Unicode size. */
pathLength = path ? (strlen(path) + 1) * sizeof(WCHAR) : 0;
s = Stream_New(NULL, 64 + pathLength);
if (!s)
{
WLog_Print(context->priv->log, WLOG_ERROR, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
rdpdr_server_write_device_iorequest(s, deviceId, fileId, completionId, IRP_MJ_DIRECTORY_CONTROL,
IRP_MN_QUERY_DIRECTORY);
Stream_Write_UINT32(s, FileDirectoryInformation); /* FsInformationClass (4 bytes) */
Stream_Write_UINT8(s, path ? 1 : 0); /* InitialQuery (1 byte) */
WINPR_ASSERT(pathLength <= UINT32_MAX);
Stream_Write_UINT32(s, (UINT32)pathLength); /* PathLength (4 bytes) */
Stream_Zero(s, 23); /* Padding (23 bytes) */
/* Convert the path to Unicode. */
if (pathLength > 0)
{
if (Stream_Write_UTF16_String_From_UTF8(s, pathLength / sizeof(WCHAR), path,
pathLength / sizeof(WCHAR), TRUE) < 0)
{
Stream_Free(s, TRUE);
return ERROR_INTERNAL_ERROR;
}
}
return rdpdr_seal_send_free_request(context, s);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_send_device_file_rename_request(RdpdrServerContext* context,
UINT32 deviceId, UINT32 fileId,
UINT32 completionId, const char* path)
{
size_t pathLength = 0;
wStream* s = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerSendDeviceFileNameRequest: deviceId=%" PRIu32 ", fileId=%" PRIu32
", path=%s",
deviceId, fileId, path);
/* Compute the required Unicode size. */
pathLength = path ? (strlen(path) + 1) * sizeof(WCHAR) : 0;
s = Stream_New(NULL, 64 + pathLength);
if (!s)
{
WLog_Print(context->priv->log, WLOG_ERROR, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
rdpdr_server_write_device_iorequest(s, deviceId, fileId, completionId, IRP_MJ_SET_INFORMATION,
0);
Stream_Write_UINT32(s, FileRenameInformation); /* FsInformationClass (4 bytes) */
WINPR_ASSERT(pathLength <= UINT32_MAX - 6U);
Stream_Write_UINT32(s, (UINT32)pathLength + 6U); /* Length (4 bytes) */
Stream_Zero(s, 24); /* Padding (24 bytes) */
/* RDP_FILE_RENAME_INFORMATION */
Stream_Write_UINT8(s, 0); /* ReplaceIfExists (1 byte) */
Stream_Write_UINT8(s, 0); /* RootDirectory (1 byte) */
Stream_Write_UINT32(s, (UINT32)pathLength); /* FileNameLength (4 bytes) */
/* Convert the path to Unicode. */
if (pathLength > 0)
{
if (Stream_Write_UTF16_String_From_UTF8(s, pathLength / sizeof(WCHAR), path,
pathLength / sizeof(WCHAR), TRUE) < 0)
{
Stream_Free(s, TRUE);
return ERROR_INTERNAL_ERROR;
}
}
return rdpdr_seal_send_free_request(context, s);
}
static void rdpdr_server_convert_slashes(char* path, int size)
{
WINPR_ASSERT(path || (size <= 0));
for (int i = 0; (i < size) && (path[i] != '\0'); i++)
{
if (path[i] == '/')
path[i] = '\\';
}
}
/*************************************************
* Drive Create Directory
************************************************/
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_create_directory_callback2(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(s);
WINPR_ASSERT(irp);
WINPR_UNUSED(s);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveCreateDirectoryCallback2: deviceId=%" PRIu32
", completionId=%" PRIu32 ", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
/* Invoke the create directory completion routine. */
context->OnDriveCreateDirectoryComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_create_directory_callback1(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
UINT32 fileId = 0;
UINT8 information = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(s);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveCreateDirectoryCallback1: deviceId=%" PRIu32
", completionId=%" PRIu32 ", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
if (ioStatus != STATUS_SUCCESS)
{
/* Invoke the create directory completion routine. */
context->OnDriveCreateDirectoryComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return CHANNEL_RC_OK;
}
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 5))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, fileId); /* FileId (4 bytes) */
Stream_Read_UINT8(s, information); /* Information (1 byte) */
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_create_directory_callback2;
irp->DeviceId = deviceId;
irp->FileId = fileId;
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to close the file */
return rdpdr_server_send_device_close_request(context, deviceId, fileId, irp->CompletionId);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_create_directory(RdpdrServerContext* context, void* callbackData,
UINT32 deviceId, const char* path)
{
RDPDR_IRP* irp = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(callbackData);
WINPR_ASSERT(path);
irp = rdpdr_server_irp_new();
if (!irp)
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_irp_new failed!");
return CHANNEL_RC_NO_MEMORY;
}
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_create_directory_callback1;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
strncpy(irp->PathName, path, sizeof(irp->PathName) - 1);
rdpdr_server_convert_slashes(irp->PathName, sizeof(irp->PathName));
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to open the file. */
return rdpdr_server_send_device_create_request(
context, deviceId, irp->CompletionId, irp->PathName, FILE_READ_DATA | SYNCHRONIZE,
FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT, FILE_CREATE);
}
/*************************************************
* Drive Delete Directory
************************************************/
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_delete_directory_callback2(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
WINPR_UNUSED(s);
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveDeleteDirectoryCallback2: deviceId=%" PRIu32
", completionId=%" PRIu32 ", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
/* Invoke the delete directory completion routine. */
context->OnDriveDeleteDirectoryComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_delete_directory_callback1(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
UINT32 fileId = 0;
UINT8 information = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveDeleteDirectoryCallback1: deviceId=%" PRIu32
", completionId=%" PRIu32 ", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
if (ioStatus != STATUS_SUCCESS)
{
/* Invoke the delete directory completion routine. */
context->OnDriveDeleteFileComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return CHANNEL_RC_OK;
}
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 5))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, fileId); /* FileId (4 bytes) */
Stream_Read_UINT8(s, information); /* Information (1 byte) */
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_delete_directory_callback2;
irp->DeviceId = deviceId;
irp->FileId = fileId;
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to close the file */
return rdpdr_server_send_device_close_request(context, deviceId, fileId, irp->CompletionId);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_delete_directory(RdpdrServerContext* context, void* callbackData,
UINT32 deviceId, const char* path)
{
RDPDR_IRP* irp = rdpdr_server_irp_new();
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
if (!irp)
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_irp_new failed!");
return CHANNEL_RC_NO_MEMORY;
}
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_delete_directory_callback1;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
strncpy(irp->PathName, path, sizeof(irp->PathName) - 1);
rdpdr_server_convert_slashes(irp->PathName, sizeof(irp->PathName));
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to open the file. */
return rdpdr_server_send_device_create_request(
context, deviceId, irp->CompletionId, irp->PathName, DELETE | SYNCHRONIZE,
FILE_DIRECTORY_FILE | FILE_DELETE_ON_CLOSE | FILE_SYNCHRONOUS_IO_NONALERT, FILE_OPEN);
}
/*************************************************
* Drive Query Directory
************************************************/
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_query_directory_callback2(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
UINT error = 0;
UINT32 length = 0;
FILE_DIRECTORY_INFORMATION fdi = { 0 };
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveQueryDirectoryCallback2: deviceId=%" PRIu32
", completionId=%" PRIu32 ", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 4))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, length); /* Length (4 bytes) */
if (length > 0)
{
if ((error = rdpdr_server_read_file_directory_information(context->priv->log, s, &fdi)))
{
WLog_Print(context->priv->log, WLOG_ERROR,
"rdpdr_server_read_file_directory_information failed with error %" PRIu32
"!",
error);
return error;
}
}
else
{
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 1))
return ERROR_INVALID_DATA;
Stream_Seek(s, 1); /* Padding (1 byte) */
}
if (ioStatus == STATUS_SUCCESS)
{
/* Invoke the query directory completion routine. */
context->OnDriveQueryDirectoryComplete(context, irp->CallbackData, ioStatus,
length > 0 ? &fdi : NULL);
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_query_directory_callback2;
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to query the directory. */
return rdpdr_server_send_device_query_directory_request(context, irp->DeviceId, irp->FileId,
irp->CompletionId, NULL);
}
else
{
/* Invoke the query directory completion routine. */
context->OnDriveQueryDirectoryComplete(context, irp->CallbackData, ioStatus, NULL);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
}
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_query_directory_callback1(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
UINT32 fileId = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveQueryDirectoryCallback1: deviceId=%" PRIu32
", completionId=%" PRIu32 ", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
if (ioStatus != STATUS_SUCCESS)
{
/* Invoke the query directory completion routine. */
context->OnDriveQueryDirectoryComplete(context, irp->CallbackData, ioStatus, NULL);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return CHANNEL_RC_OK;
}
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 4))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, fileId);
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_query_directory_callback2;
irp->DeviceId = deviceId;
irp->FileId = fileId;
winpr_str_append("\\*.*", irp->PathName, ARRAYSIZE(irp->PathName), NULL);
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to query the directory. */
return rdpdr_server_send_device_query_directory_request(context, deviceId, fileId,
irp->CompletionId, irp->PathName);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_query_directory(RdpdrServerContext* context, void* callbackData,
UINT32 deviceId, const char* path)
{
RDPDR_IRP* irp = rdpdr_server_irp_new();
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
if (!irp)
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_irp_new failed!");
return CHANNEL_RC_NO_MEMORY;
}
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_query_directory_callback1;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
strncpy(irp->PathName, path, sizeof(irp->PathName) - 1);
rdpdr_server_convert_slashes(irp->PathName, sizeof(irp->PathName));
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to open the directory. */
return rdpdr_server_send_device_create_request(
context, deviceId, irp->CompletionId, irp->PathName, FILE_READ_DATA | SYNCHRONIZE,
FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT, FILE_OPEN);
}
/*************************************************
* Drive Open File
************************************************/
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_open_file_callback(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
UINT32 fileId = 0;
UINT8 information = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveOpenFileCallback: deviceId=%" PRIu32 ", completionId=%" PRIu32
", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 5))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, fileId); /* FileId (4 bytes) */
Stream_Read_UINT8(s, information); /* Information (1 byte) */
/* Invoke the open file completion routine. */
context->OnDriveOpenFileComplete(context, irp->CallbackData, ioStatus, deviceId, fileId);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_open_file(RdpdrServerContext* context, void* callbackData,
UINT32 deviceId, const char* path, UINT32 desiredAccess,
UINT32 createDisposition)
{
RDPDR_IRP* irp = rdpdr_server_irp_new();
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
if (!irp)
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_irp_new failed!");
return CHANNEL_RC_NO_MEMORY;
}
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_open_file_callback;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
strncpy(irp->PathName, path, sizeof(irp->PathName) - 1);
rdpdr_server_convert_slashes(irp->PathName, sizeof(irp->PathName));
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to open the file. */
return rdpdr_server_send_device_create_request(context, deviceId, irp->CompletionId,
irp->PathName, desiredAccess | SYNCHRONIZE,
FILE_SYNCHRONOUS_IO_NONALERT, createDisposition);
}
/*************************************************
* Drive Read File
************************************************/
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_read_file_callback(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
UINT32 length = 0;
char* buffer = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveReadFileCallback: deviceId=%" PRIu32 ", completionId=%" PRIu32
", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 4))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, length); /* Length (4 bytes) */
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, length))
return ERROR_INVALID_DATA;
if (length > 0)
{
buffer = Stream_Pointer(s);
Stream_Seek(s, length);
}
/* Invoke the read file completion routine. */
context->OnDriveReadFileComplete(context, irp->CallbackData, ioStatus, buffer, length);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_read_file(RdpdrServerContext* context, void* callbackData,
UINT32 deviceId, UINT32 fileId, UINT32 length,
UINT32 offset)
{
RDPDR_IRP* irp = rdpdr_server_irp_new();
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
if (!irp)
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_irp_new failed!");
return CHANNEL_RC_NO_MEMORY;
}
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_read_file_callback;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
irp->FileId = fileId;
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to open the directory. */
// NOLINTNEXTLINE(clang-analyzer-unix.Malloc): rdpdr_server_enqueue_irp owns irp
return rdpdr_server_send_device_read_request(context, deviceId, fileId, irp->CompletionId,
length, offset);
}
/*************************************************
* Drive Write File
************************************************/
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_write_file_callback(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
UINT32 length = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveWriteFileCallback: deviceId=%" PRIu32 ", completionId=%" PRIu32
", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 5))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, length); /* Length (4 bytes) */
Stream_Seek(s, 1); /* Padding (1 byte) */
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, length))
return ERROR_INVALID_DATA;
/* Invoke the write file completion routine. */
context->OnDriveWriteFileComplete(context, irp->CallbackData, ioStatus, length);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_write_file(RdpdrServerContext* context, void* callbackData,
UINT32 deviceId, UINT32 fileId, const char* buffer,
UINT32 length, UINT32 offset)
{
RDPDR_IRP* irp = rdpdr_server_irp_new();
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
if (!irp)
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_irp_new failed!");
return CHANNEL_RC_NO_MEMORY;
}
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_write_file_callback;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
irp->FileId = fileId;
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to open the directory. */
// NOLINTNEXTLINE(clang-analyzer-unix.Malloc): rdpdr_server_enqueue_irp owns irp
return rdpdr_server_send_device_write_request(context, deviceId, fileId, irp->CompletionId,
buffer, length, offset);
}
/*************************************************
* Drive Close File
************************************************/
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_close_file_callback(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
WINPR_UNUSED(s);
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveCloseFileCallback: deviceId=%" PRIu32 ", completionId=%" PRIu32
", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
// padding 5 bytes
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 5))
return ERROR_INVALID_DATA;
Stream_Seek(s, 5);
/* Invoke the close file completion routine. */
context->OnDriveCloseFileComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_close_file(RdpdrServerContext* context, void* callbackData,
UINT32 deviceId, UINT32 fileId)
{
RDPDR_IRP* irp = rdpdr_server_irp_new();
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
if (!irp)
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_irp_new failed!");
return CHANNEL_RC_NO_MEMORY;
}
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_close_file_callback;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
irp->FileId = fileId;
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to open the directory. */
// NOLINTNEXTLINE(clang-analyzer-unix.Malloc): rdpdr_server_enqueue_irp owns irp
return rdpdr_server_send_device_close_request(context, deviceId, fileId, irp->CompletionId);
}
/*************************************************
* Drive Delete File
************************************************/
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_delete_file_callback2(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
WINPR_UNUSED(s);
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveDeleteFileCallback2: deviceId=%" PRIu32 ", completionId=%" PRIu32
", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
/* Invoke the delete file completion routine. */
context->OnDriveDeleteFileComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_delete_file_callback1(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
UINT32 fileId = 0;
UINT8 information = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveDeleteFileCallback1: deviceId=%" PRIu32 ", completionId=%" PRIu32
", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
if (ioStatus != STATUS_SUCCESS)
{
/* Invoke the close file completion routine. */
context->OnDriveDeleteFileComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return CHANNEL_RC_OK;
}
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 5))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, fileId); /* FileId (4 bytes) */
Stream_Read_UINT8(s, information); /* Information (1 byte) */
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_delete_file_callback2;
irp->DeviceId = deviceId;
irp->FileId = fileId;
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to close the file */
return rdpdr_server_send_device_close_request(context, deviceId, fileId, irp->CompletionId);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_delete_file(RdpdrServerContext* context, void* callbackData,
UINT32 deviceId, const char* path)
{
RDPDR_IRP* irp = rdpdr_server_irp_new();
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
if (!irp)
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_irp_new failed!");
return CHANNEL_RC_NO_MEMORY;
}
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_delete_file_callback1;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
strncpy(irp->PathName, path, sizeof(irp->PathName) - 1);
rdpdr_server_convert_slashes(irp->PathName, sizeof(irp->PathName));
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to open the file. */
return rdpdr_server_send_device_create_request(
context, deviceId, irp->CompletionId, irp->PathName, FILE_READ_DATA | SYNCHRONIZE,
FILE_DELETE_ON_CLOSE | FILE_SYNCHRONOUS_IO_NONALERT, FILE_OPEN);
}
/*************************************************
* Drive Rename File
************************************************/
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_rename_file_callback3(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
WINPR_UNUSED(context);
WINPR_UNUSED(s);
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveRenameFileCallback3: deviceId=%" PRIu32 ", completionId=%" PRIu32
", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_rename_file_callback2(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
UINT32 length = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveRenameFileCallback2: deviceId=%" PRIu32 ", completionId=%" PRIu32
", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 5))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, length); /* Length (4 bytes) */
Stream_Seek(s, 1); /* Padding (1 byte) */
/* Invoke the rename file completion routine. */
context->OnDriveRenameFileComplete(context, irp->CallbackData, ioStatus);
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_rename_file_callback3;
irp->DeviceId = deviceId;
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to close the file */
return rdpdr_server_send_device_close_request(context, deviceId, irp->FileId,
irp->CompletionId);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_rename_file_callback1(RdpdrServerContext* context, wStream* s,
RDPDR_IRP* irp, UINT32 deviceId,
UINT32 completionId, UINT32 ioStatus)
{
UINT32 fileId = 0;
UINT8 information = 0;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
WINPR_ASSERT(irp);
WLog_Print(context->priv->log, WLOG_DEBUG,
"RdpdrServerDriveRenameFileCallback1: deviceId=%" PRIu32 ", completionId=%" PRIu32
", ioStatus=0x%" PRIx32 "",
deviceId, completionId, ioStatus);
if (ioStatus != STATUS_SUCCESS)
{
/* Invoke the rename file completion routine. */
context->OnDriveRenameFileComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return CHANNEL_RC_OK;
}
if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 5))
return ERROR_INVALID_DATA;
Stream_Read_UINT32(s, fileId); /* FileId (4 bytes) */
Stream_Read_UINT8(s, information); /* Information (1 byte) */
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_rename_file_callback2;
irp->DeviceId = deviceId;
irp->FileId = fileId;
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to rename the file */
return rdpdr_server_send_device_file_rename_request(context, deviceId, fileId,
irp->CompletionId, irp->ExtraBuffer);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpdr_server_drive_rename_file(RdpdrServerContext* context, void* callbackData,
UINT32 deviceId, const char* oldPath,
const char* newPath)
{
RDPDR_IRP* irp = NULL;
WINPR_ASSERT(context);
WINPR_ASSERT(context->priv);
irp = rdpdr_server_irp_new();
if (!irp)
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_irp_new failed!");
return CHANNEL_RC_NO_MEMORY;
}
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_rename_file_callback1;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
strncpy(irp->PathName, oldPath, sizeof(irp->PathName) - 1);
strncpy(irp->ExtraBuffer, newPath, sizeof(irp->ExtraBuffer) - 1);
rdpdr_server_convert_slashes(irp->PathName, sizeof(irp->PathName));
rdpdr_server_convert_slashes(irp->ExtraBuffer, sizeof(irp->ExtraBuffer));
if (!rdpdr_server_enqueue_irp(context, irp))
{
WLog_Print(context->priv->log, WLOG_ERROR, "rdpdr_server_enqueue_irp failed!");
rdpdr_server_irp_free(irp);
return ERROR_INTERNAL_ERROR;
}
/* Send a request to open the file. */
// NOLINTNEXTLINE(clang-analyzer-unix.Malloc): rdpdr_server_enqueue_irp owns irp
return rdpdr_server_send_device_create_request(context, deviceId, irp->CompletionId,
irp->PathName, FILE_READ_DATA | SYNCHRONIZE,
FILE_SYNCHRONOUS_IO_NONALERT, FILE_OPEN);
}
static void rdpdr_server_private_free(RdpdrServerPrivate* ctx)
{
if (!ctx)
return;
ListDictionary_Free(ctx->IrpList);
HashTable_Free(ctx->devicelist);
free(ctx->ClientComputerName);
free(ctx);
}
#define TAG CHANNELS_TAG("rdpdr.server")
static RdpdrServerPrivate* rdpdr_server_private_new(void)
{
RdpdrServerPrivate* priv = (RdpdrServerPrivate*)calloc(1, sizeof(RdpdrServerPrivate));
if (!priv)
goto fail;
priv->log = WLog_Get(TAG);
priv->VersionMajor = RDPDR_VERSION_MAJOR;
priv->VersionMinor = RDPDR_VERSION_MINOR_RDP6X;
priv->ClientId = g_ClientId++;
priv->UserLoggedOnPdu = TRUE;
priv->NextCompletionId = 1;
priv->IrpList = ListDictionary_New(TRUE);
if (!priv->IrpList)
goto fail;
priv->devicelist = HashTable_New(FALSE);
if (!priv->devicelist)
goto fail;
HashTable_SetHashFunction(priv->devicelist, rdpdr_deviceid_hash);
wObject* obj = HashTable_ValueObject(priv->devicelist);
WINPR_ASSERT(obj);
obj->fnObjectFree = rdpdr_device_free_h;
obj->fnObjectNew = rdpdr_device_clone;
obj = HashTable_KeyObject(priv->devicelist);
obj->fnObjectEquals = rdpdr_device_equal;
return priv;
fail:
rdpdr_server_private_free(priv);
return NULL;
}
RdpdrServerContext* rdpdr_server_context_new(HANDLE vcm)
{
RdpdrServerContext* context = (RdpdrServerContext*)calloc(1, sizeof(RdpdrServerContext));
if (!context)
goto fail;
context->vcm = vcm;
context->Start = rdpdr_server_start;
context->Stop = rdpdr_server_stop;
context->DriveCreateDirectory = rdpdr_server_drive_create_directory;
context->DriveDeleteDirectory = rdpdr_server_drive_delete_directory;
context->DriveQueryDirectory = rdpdr_server_drive_query_directory;
context->DriveOpenFile = rdpdr_server_drive_open_file;
context->DriveReadFile = rdpdr_server_drive_read_file;
context->DriveWriteFile = rdpdr_server_drive_write_file;
context->DriveCloseFile = rdpdr_server_drive_close_file;
context->DriveDeleteFile = rdpdr_server_drive_delete_file;
context->DriveRenameFile = rdpdr_server_drive_rename_file;
context->priv = rdpdr_server_private_new();
if (!context->priv)
goto fail;
/* By default announce everything, the server application can deactivate that later on */
context->supported = UINT16_MAX;
return context;
fail:
WINPR_PRAGMA_DIAG_PUSH
WINPR_PRAGMA_DIAG_IGNORED_MISMATCHED_DEALLOC
rdpdr_server_context_free(context);
WINPR_PRAGMA_DIAG_POP
return NULL;
}
void rdpdr_server_context_free(RdpdrServerContext* context)
{
if (!context)
return;
rdpdr_server_private_free(context->priv);
free(context);
}
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