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headers.rs
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headers.rs
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use bitflags::bitflags;
use num_derive::{FromPrimitive, ToPrimitive};
use num_traits::{FromPrimitive, ToPrimitive};
use crate::codecs::rfx::FrameAcknowledgePdu;
use crate::input::InputEventPdu;
use crate::rdp::capability_sets::{ClientConfirmActive, ServerDemandActive};
use crate::rdp::client_info;
use crate::rdp::finalization_messages::{ControlPdu, FontPdu, MonitorLayoutPdu, SynchronizePdu};
use crate::rdp::refresh_rectangle::RefreshRectanglePdu;
use crate::rdp::server_error_info::ServerSetErrorInfoPdu;
use crate::rdp::session_info::SaveSessionInfoPdu;
use crate::rdp::suppress_output::SuppressOutputPdu;
use ironrdp_core::{
cast_length, ensure_fixed_part_size, ensure_size, invalid_field_err, not_enough_bytes_err, other_err, ReadCursor,
WriteCursor,
};
use ironrdp_core::{Decode, DecodeResult, Encode, EncodeResult};
pub const BASIC_SECURITY_HEADER_SIZE: usize = 4;
pub const SHARE_DATA_HEADER_COMPRESSION_MASK: u8 = 0xF;
const SHARE_CONTROL_HEADER_MASK: u16 = 0xF;
const SHARE_CONTROL_HEADER_SIZE: usize = 2 * 3 + 4;
const PROTOCOL_VERSION: u16 = 0x10;
// ShareDataHeader
const PADDING_FIELD_SIZE: usize = 1;
const STREAM_ID_FIELD_SIZE: usize = 1;
const UNCOMPRESSED_LENGTH_FIELD_SIZE: usize = 2;
const PDU_TYPE_FIELD_SIZE: usize = 1;
const COMPRESSION_TYPE_FIELD_SIZE: usize = 1;
const COMPRESSED_LENGTH_FIELD_SIZE: usize = 2;
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct BasicSecurityHeader {
pub flags: BasicSecurityHeaderFlags,
}
impl BasicSecurityHeader {
const NAME: &'static str = "BasicSecurityHeader";
pub const FIXED_PART_SIZE: usize = BASIC_SECURITY_HEADER_SIZE;
}
impl Encode for BasicSecurityHeader {
fn encode(&self, dst: &mut WriteCursor<'_>) -> EncodeResult<()> {
ensure_fixed_part_size!(in: dst);
dst.write_u16(self.flags.bits());
dst.write_u16(0); // flags_hi
Ok(())
}
fn name(&self) -> &'static str {
Self::NAME
}
fn size(&self) -> usize {
Self::FIXED_PART_SIZE
}
}
impl<'de> Decode<'de> for BasicSecurityHeader {
fn decode(src: &mut ReadCursor<'de>) -> DecodeResult<Self> {
ensure_fixed_part_size!(in: src);
let flags = BasicSecurityHeaderFlags::from_bits(src.read_u16())
.ok_or(invalid_field_err!("securityHeader", "invalid basic security header"))?;
let _flags_hi = src.read_u16(); // unused
Ok(Self { flags })
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct ShareControlHeader {
pub share_control_pdu: ShareControlPdu,
pub pdu_source: u16,
pub share_id: u32,
}
impl ShareControlHeader {
const NAME: &'static str = "ShareControlHeader";
const FIXED_PART_SIZE: usize = SHARE_CONTROL_HEADER_SIZE;
}
impl Encode for ShareControlHeader {
fn encode(&self, dst: &mut WriteCursor<'_>) -> EncodeResult<()> {
ensure_size!(in: dst, size: self.size());
let pdu_type_with_version = PROTOCOL_VERSION | self.share_control_pdu.share_header_type().to_u16().unwrap();
dst.write_u16(cast_length!(
"len",
self.share_control_pdu.size() + SHARE_CONTROL_HEADER_SIZE
)?);
dst.write_u16(pdu_type_with_version);
dst.write_u16(self.pdu_source);
dst.write_u32(self.share_id);
self.share_control_pdu.encode(dst)
}
fn name(&self) -> &'static str {
Self::NAME
}
fn size(&self) -> usize {
Self::FIXED_PART_SIZE + self.share_control_pdu.size()
}
}
impl<'de> Decode<'de> for ShareControlHeader {
fn decode(src: &mut ReadCursor<'de>) -> DecodeResult<Self> {
ensure_fixed_part_size!(in: src);
let total_length = src.read_u16() as usize;
let pdu_type_with_version = src.read_u16();
let pdu_source = src.read_u16();
let share_id = src.read_u32();
let pdu_type = ShareControlPduType::from_u16(pdu_type_with_version & SHARE_CONTROL_HEADER_MASK)
.ok_or_else(|| invalid_field_err!("pdu_type", "invalid pdu type"))?;
let pdu_version = pdu_type_with_version & !SHARE_CONTROL_HEADER_MASK;
if pdu_version != PROTOCOL_VERSION {
return Err(invalid_field_err!("pdu_version", "invalid PDU version"));
}
let share_pdu = ShareControlPdu::from_type(src, pdu_type)?;
let header = Self {
share_control_pdu: share_pdu,
pdu_source,
share_id,
};
if pdu_type == ShareControlPduType::DataPdu {
// Some windows version have an issue where
// there is some padding not part of the inner unit.
// Consume that data
let header_length = header.size();
if header_length != total_length {
if total_length < header_length {
return Err(not_enough_bytes_err!(total_length, header_length));
}
let padding = total_length - header_length;
ensure_size!(in: src, size: padding);
read_padding!(src, padding);
}
}
Ok(header)
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ShareControlPdu {
ServerDemandActive(ServerDemandActive),
ClientConfirmActive(ClientConfirmActive),
Data(ShareDataHeader),
ServerDeactivateAll(ServerDeactivateAll),
}
impl ShareControlPdu {
const NAME: &'static str = "ShareControlPdu";
pub fn as_short_name(&self) -> &str {
match self {
ShareControlPdu::ServerDemandActive(_) => "Server Demand Active PDU",
ShareControlPdu::ClientConfirmActive(_) => "Client Confirm Active PDU",
ShareControlPdu::Data(_) => "Data PDU",
ShareControlPdu::ServerDeactivateAll(_) => "Server Deactivate All PDU",
}
}
pub fn share_header_type(&self) -> ShareControlPduType {
match self {
ShareControlPdu::ServerDemandActive(_) => ShareControlPduType::DemandActivePdu,
ShareControlPdu::ClientConfirmActive(_) => ShareControlPduType::ConfirmActivePdu,
ShareControlPdu::Data(_) => ShareControlPduType::DataPdu,
ShareControlPdu::ServerDeactivateAll(_) => ShareControlPduType::DeactivateAllPdu,
}
}
pub fn from_type(src: &mut ReadCursor<'_>, share_type: ShareControlPduType) -> DecodeResult<Self> {
match share_type {
ShareControlPduType::DemandActivePdu => {
Ok(ShareControlPdu::ServerDemandActive(ServerDemandActive::decode(src)?))
}
ShareControlPduType::ConfirmActivePdu => {
Ok(ShareControlPdu::ClientConfirmActive(ClientConfirmActive::decode(src)?))
}
ShareControlPduType::DataPdu => Ok(ShareControlPdu::Data(ShareDataHeader::decode(src)?)),
ShareControlPduType::DeactivateAllPdu => {
Ok(ShareControlPdu::ServerDeactivateAll(ServerDeactivateAll::decode(src)?))
}
_ => Err(invalid_field_err!("share_type", "unexpected share control PDU type")),
}
}
}
impl Encode for ShareControlPdu {
fn encode(&self, dst: &mut WriteCursor<'_>) -> EncodeResult<()> {
match self {
ShareControlPdu::ServerDemandActive(pdu) => pdu.encode(dst),
ShareControlPdu::ClientConfirmActive(pdu) => pdu.encode(dst),
ShareControlPdu::Data(share_data_header) => share_data_header.encode(dst),
ShareControlPdu::ServerDeactivateAll(deactivate_all) => deactivate_all.encode(dst),
}
}
fn name(&self) -> &'static str {
Self::NAME
}
fn size(&self) -> usize {
match self {
ShareControlPdu::ServerDemandActive(pdu) => pdu.size(),
ShareControlPdu::ClientConfirmActive(pdu) => pdu.size(),
ShareControlPdu::Data(share_data_header) => share_data_header.size(),
ShareControlPdu::ServerDeactivateAll(deactivate_all) => deactivate_all.size(),
}
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct ShareDataHeader {
pub share_data_pdu: ShareDataPdu,
pub stream_priority: StreamPriority,
pub compression_flags: CompressionFlags,
pub compression_type: client_info::CompressionType,
}
impl ShareDataHeader {
const NAME: &'static str = "ShareDataHeader";
const FIXED_PART_SIZE: usize = PADDING_FIELD_SIZE
+ STREAM_ID_FIELD_SIZE
+ UNCOMPRESSED_LENGTH_FIELD_SIZE
+ PDU_TYPE_FIELD_SIZE
+ COMPRESSION_TYPE_FIELD_SIZE
+ COMPRESSED_LENGTH_FIELD_SIZE;
}
impl Encode for ShareDataHeader {
fn encode(&self, dst: &mut WriteCursor<'_>) -> EncodeResult<()> {
ensure_size!(in: dst, size: self.size());
if self.compression_flags.is_empty() {
let compression_flags_with_type = self.compression_flags.bits() | self.compression_type.to_u8().unwrap();
write_padding!(dst, 1);
dst.write_u8(self.stream_priority.to_u8().unwrap());
dst.write_u16(cast_length!(
"uncompressedLength",
self.share_data_pdu.size()
+ PDU_TYPE_FIELD_SIZE
+ COMPRESSION_TYPE_FIELD_SIZE
+ COMPRESSED_LENGTH_FIELD_SIZE
)?);
dst.write_u8(self.share_data_pdu.share_header_type().to_u8().unwrap());
dst.write_u8(compression_flags_with_type);
dst.write_u16(0); // compressed length
self.share_data_pdu.encode(dst)
} else {
Err(other_err!("Compression is not implemented"))
}
}
fn name(&self) -> &'static str {
Self::NAME
}
fn size(&self) -> usize {
Self::FIXED_PART_SIZE + self.share_data_pdu.size()
}
}
impl<'de> Decode<'de> for ShareDataHeader {
fn decode(src: &mut ReadCursor<'de>) -> DecodeResult<Self> {
ensure_fixed_part_size!(in: src);
read_padding!(src, 1);
let stream_priority = StreamPriority::from_u8(src.read_u8())
.ok_or_else(|| invalid_field_err!("streamPriority", "Invalid stream priority"))?;
let _uncompressed_length = src.read_u16();
let pdu_type = ShareDataPduType::from_u8(src.read_u8())
.ok_or_else(|| invalid_field_err!("pduType", "Invalid pdu type"))?;
let compression_flags_with_type = src.read_u8();
let compression_flags =
CompressionFlags::from_bits_truncate(compression_flags_with_type & !SHARE_DATA_HEADER_COMPRESSION_MASK);
let compression_type =
client_info::CompressionType::from_u8(compression_flags_with_type & SHARE_DATA_HEADER_COMPRESSION_MASK)
.ok_or_else(|| invalid_field_err!("compressionType", "Invalid compression type"))?;
let _compressed_length = src.read_u16();
let share_data_pdu = ShareDataPdu::from_type(src, pdu_type)?;
Ok(Self {
share_data_pdu,
stream_priority,
compression_flags,
compression_type,
})
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ShareDataPdu {
Synchronize(SynchronizePdu),
Control(ControlPdu),
FontList(FontPdu),
FontMap(FontPdu),
MonitorLayout(MonitorLayoutPdu),
SaveSessionInfo(SaveSessionInfoPdu),
FrameAcknowledge(FrameAcknowledgePdu),
ServerSetErrorInfo(ServerSetErrorInfoPdu),
Input(InputEventPdu),
ShutdownRequest,
ShutdownDenied,
SuppressOutput(SuppressOutputPdu),
RefreshRectangle(RefreshRectanglePdu),
Update(Vec<u8>),
Pointer(Vec<u8>),
PlaySound(Vec<u8>),
SetKeyboardIndicators(Vec<u8>),
BitmapCachePersistentList(Vec<u8>),
BitmapCacheErrorPdu(Vec<u8>),
SetKeyboardImeStatus(Vec<u8>),
OffscreenCacheErrorPdu(Vec<u8>),
DrawNineGridErrorPdu(Vec<u8>),
DrawGdiPusErrorPdu(Vec<u8>),
ArcStatusPdu(Vec<u8>),
StatusInfoPdu(Vec<u8>),
}
impl ShareDataPdu {
const NAME: &'static str = "ShareDataPdu";
pub fn as_short_name(&self) -> &str {
match self {
ShareDataPdu::Synchronize(_) => "Synchronize PDU",
ShareDataPdu::Control(_) => "Control PDU",
ShareDataPdu::FontList(_) => "FontList PDU",
ShareDataPdu::FontMap(_) => "Font Map PDU",
ShareDataPdu::MonitorLayout(_) => "Monitor Layout PDU",
ShareDataPdu::SaveSessionInfo(_) => "Save session info PDU",
ShareDataPdu::FrameAcknowledge(_) => "Frame Acknowledge PDU",
ShareDataPdu::ServerSetErrorInfo(_) => "Server Set Error Info PDU",
ShareDataPdu::Input(_) => "Server Input PDU",
ShareDataPdu::ShutdownRequest => "Shutdown Request PDU",
ShareDataPdu::ShutdownDenied => "Shutdown Denied PDU",
ShareDataPdu::SuppressOutput(_) => "Suppress Output PDU",
ShareDataPdu::RefreshRectangle(_) => "Refresh Rectangle PDU",
ShareDataPdu::Update(_) => "Update PDU",
ShareDataPdu::Pointer(_) => "Pointer PDU",
ShareDataPdu::PlaySound(_) => "Play Sound PDU",
ShareDataPdu::SetKeyboardIndicators(_) => "Set Keyboard Indicators PDU",
ShareDataPdu::BitmapCachePersistentList(_) => "Bitmap Cache Persistent List PDU",
ShareDataPdu::BitmapCacheErrorPdu(_) => "Bitmap Cache Error PDU",
ShareDataPdu::SetKeyboardImeStatus(_) => "Set Keyboard IME Status PDU",
ShareDataPdu::OffscreenCacheErrorPdu(_) => "Offscreen Cache Error PDU",
ShareDataPdu::DrawNineGridErrorPdu(_) => "Draw Nine Grid Error PDU",
ShareDataPdu::DrawGdiPusErrorPdu(_) => "Draw GDI PUS Error PDU",
ShareDataPdu::ArcStatusPdu(_) => "Arc Status PDU",
ShareDataPdu::StatusInfoPdu(_) => "Status Info PDU",
}
}
pub fn share_header_type(&self) -> ShareDataPduType {
match self {
ShareDataPdu::Synchronize(_) => ShareDataPduType::Synchronize,
ShareDataPdu::Control(_) => ShareDataPduType::Control,
ShareDataPdu::FontList(_) => ShareDataPduType::FontList,
ShareDataPdu::FontMap(_) => ShareDataPduType::FontMap,
ShareDataPdu::MonitorLayout(_) => ShareDataPduType::MonitorLayoutPdu,
ShareDataPdu::SaveSessionInfo(_) => ShareDataPduType::SaveSessionInfo,
ShareDataPdu::FrameAcknowledge(_) => ShareDataPduType::FrameAcknowledgePdu,
ShareDataPdu::ServerSetErrorInfo(_) => ShareDataPduType::SetErrorInfoPdu,
ShareDataPdu::Input(_) => ShareDataPduType::Input,
ShareDataPdu::ShutdownRequest => ShareDataPduType::ShutdownRequest,
ShareDataPdu::ShutdownDenied => ShareDataPduType::ShutdownDenied,
ShareDataPdu::SuppressOutput(_) => ShareDataPduType::SuppressOutput,
ShareDataPdu::RefreshRectangle(_) => ShareDataPduType::RefreshRectangle,
ShareDataPdu::Update(_) => ShareDataPduType::Update,
ShareDataPdu::Pointer(_) => ShareDataPduType::Pointer,
ShareDataPdu::PlaySound(_) => ShareDataPduType::PlaySound,
ShareDataPdu::SetKeyboardIndicators(_) => ShareDataPduType::SetKeyboardIndicators,
ShareDataPdu::BitmapCachePersistentList(_) => ShareDataPduType::BitmapCachePersistentList,
ShareDataPdu::BitmapCacheErrorPdu(_) => ShareDataPduType::BitmapCacheErrorPdu,
ShareDataPdu::SetKeyboardImeStatus(_) => ShareDataPduType::SetKeyboardImeStatus,
ShareDataPdu::OffscreenCacheErrorPdu(_) => ShareDataPduType::OffscreenCacheErrorPdu,
ShareDataPdu::DrawNineGridErrorPdu(_) => ShareDataPduType::DrawNineGridErrorPdu,
ShareDataPdu::DrawGdiPusErrorPdu(_) => ShareDataPduType::DrawGdiPusErrorPdu,
ShareDataPdu::ArcStatusPdu(_) => ShareDataPduType::ArcStatusPdu,
ShareDataPdu::StatusInfoPdu(_) => ShareDataPduType::StatusInfoPdu,
}
}
fn from_type(src: &mut ReadCursor<'_>, share_type: ShareDataPduType) -> DecodeResult<Self> {
match share_type {
ShareDataPduType::Synchronize => Ok(ShareDataPdu::Synchronize(SynchronizePdu::decode(src)?)),
ShareDataPduType::Control => Ok(ShareDataPdu::Control(ControlPdu::decode(src)?)),
ShareDataPduType::FontList => Ok(ShareDataPdu::FontList(FontPdu::decode(src)?)),
ShareDataPduType::FontMap => Ok(ShareDataPdu::FontMap(FontPdu::decode(src)?)),
ShareDataPduType::MonitorLayoutPdu => Ok(ShareDataPdu::MonitorLayout(MonitorLayoutPdu::decode(src)?)),
ShareDataPduType::SaveSessionInfo => Ok(ShareDataPdu::SaveSessionInfo(SaveSessionInfoPdu::decode(src)?)),
ShareDataPduType::FrameAcknowledgePdu => {
Ok(ShareDataPdu::FrameAcknowledge(FrameAcknowledgePdu::decode(src)?))
}
ShareDataPduType::SetErrorInfoPdu => {
Ok(ShareDataPdu::ServerSetErrorInfo(ServerSetErrorInfoPdu::decode(src)?))
}
ShareDataPduType::Input => Ok(ShareDataPdu::Input(InputEventPdu::decode(src)?)),
ShareDataPduType::ShutdownRequest => Ok(ShareDataPdu::ShutdownRequest),
ShareDataPduType::ShutdownDenied => Ok(ShareDataPdu::ShutdownDenied),
ShareDataPduType::SuppressOutput => Ok(ShareDataPdu::SuppressOutput(SuppressOutputPdu::decode(src)?)),
ShareDataPduType::RefreshRectangle => Ok(ShareDataPdu::RefreshRectangle(RefreshRectanglePdu::decode(src)?)),
ShareDataPduType::Update => Ok(ShareDataPdu::Update(src.remaining().to_vec())),
ShareDataPduType::Pointer => Ok(ShareDataPdu::Pointer(src.remaining().to_vec())),
ShareDataPduType::PlaySound => Ok(ShareDataPdu::PlaySound(src.remaining().to_vec())),
ShareDataPduType::SetKeyboardIndicators => {
Ok(ShareDataPdu::SetKeyboardIndicators(src.remaining().to_vec()))
}
ShareDataPduType::BitmapCachePersistentList => {
Ok(ShareDataPdu::BitmapCachePersistentList(src.remaining().to_vec()))
}
ShareDataPduType::BitmapCacheErrorPdu => Ok(ShareDataPdu::BitmapCacheErrorPdu(src.remaining().to_vec())),
ShareDataPduType::SetKeyboardImeStatus => Ok(ShareDataPdu::SetKeyboardImeStatus(src.remaining().to_vec())),
ShareDataPduType::OffscreenCacheErrorPdu => {
Ok(ShareDataPdu::OffscreenCacheErrorPdu(src.remaining().to_vec()))
}
ShareDataPduType::DrawNineGridErrorPdu => Ok(ShareDataPdu::DrawNineGridErrorPdu(src.remaining().to_vec())),
ShareDataPduType::DrawGdiPusErrorPdu => Ok(ShareDataPdu::DrawGdiPusErrorPdu(src.remaining().to_vec())),
ShareDataPduType::ArcStatusPdu => Ok(ShareDataPdu::ArcStatusPdu(src.remaining().to_vec())),
ShareDataPduType::StatusInfoPdu => Ok(ShareDataPdu::StatusInfoPdu(src.remaining().to_vec())),
}
}
}
impl Encode for ShareDataPdu {
fn encode(&self, dst: &mut WriteCursor<'_>) -> EncodeResult<()> {
match self {
ShareDataPdu::Synchronize(pdu) => pdu.encode(dst),
ShareDataPdu::Control(pdu) => pdu.encode(dst),
ShareDataPdu::FontList(pdu) | ShareDataPdu::FontMap(pdu) => pdu.encode(dst),
ShareDataPdu::MonitorLayout(pdu) => pdu.encode(dst),
ShareDataPdu::SaveSessionInfo(pdu) => pdu.encode(dst),
ShareDataPdu::FrameAcknowledge(pdu) => pdu.encode(dst),
ShareDataPdu::ServerSetErrorInfo(pdu) => pdu.encode(dst),
ShareDataPdu::Input(pdu) => pdu.encode(dst),
ShareDataPdu::ShutdownRequest | ShareDataPdu::ShutdownDenied => Ok(()),
ShareDataPdu::SuppressOutput(pdu) => pdu.encode(dst),
ShareDataPdu::RefreshRectangle(pdu) => pdu.encode(dst),
_ => Err(other_err!("Encoding not implemented")),
}
}
fn name(&self) -> &'static str {
Self::NAME
}
fn size(&self) -> usize {
match self {
ShareDataPdu::Synchronize(pdu) => pdu.size(),
ShareDataPdu::Control(pdu) => pdu.size(),
ShareDataPdu::FontList(pdu) | ShareDataPdu::FontMap(pdu) => pdu.size(),
ShareDataPdu::MonitorLayout(pdu) => pdu.size(),
ShareDataPdu::SaveSessionInfo(pdu) => pdu.size(),
ShareDataPdu::FrameAcknowledge(pdu) => pdu.size(),
ShareDataPdu::ServerSetErrorInfo(pdu) => pdu.size(),
ShareDataPdu::Input(pdu) => pdu.size(),
ShareDataPdu::ShutdownRequest | ShareDataPdu::ShutdownDenied => 0,
ShareDataPdu::SuppressOutput(pdu) => pdu.size(),
ShareDataPdu::RefreshRectangle(pdu) => pdu.size(),
ShareDataPdu::Update(buffer)
| ShareDataPdu::Pointer(buffer)
| ShareDataPdu::PlaySound(buffer)
| ShareDataPdu::SetKeyboardIndicators(buffer)
| ShareDataPdu::BitmapCachePersistentList(buffer)
| ShareDataPdu::BitmapCacheErrorPdu(buffer)
| ShareDataPdu::SetKeyboardImeStatus(buffer)
| ShareDataPdu::OffscreenCacheErrorPdu(buffer)
| ShareDataPdu::DrawNineGridErrorPdu(buffer)
| ShareDataPdu::DrawGdiPusErrorPdu(buffer)
| ShareDataPdu::ArcStatusPdu(buffer)
| ShareDataPdu::StatusInfoPdu(buffer) => buffer.len(),
}
}
}
bitflags! {
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct BasicSecurityHeaderFlags: u16 {
const EXCHANGE_PKT = 0x0001;
const TRANSPORT_REQ = 0x0002;
const TRANSPORT_RSP = 0x0004;
const ENCRYPT = 0x0008;
const RESET_SEQNO = 0x0010;
const IGNORE_SEQNO = 0x0020;
const INFO_PKT = 0x0040;
const LICENSE_PKT = 0x0080;
const LICENSE_ENCRYPT_CS = 0x0100;
const LICENSE_ENCRYPT_SC = 0x0200;
const REDIRECTION_PKT = 0x0400;
const SECURE_CHECKSUM = 0x0800;
const AUTODETECT_REQ = 0x1000;
const AUTODETECT_RSP = 0x2000;
const HEARTBEAT = 0x4000;
const FLAGSHI_VALID = 0x8000;
}
}
#[derive(Debug, Copy, Clone, PartialEq, Eq, FromPrimitive, ToPrimitive)]
pub enum StreamPriority {
Undefined = 0,
Low = 1,
Medium = 2,
High = 4,
}
#[derive(Debug, Copy, Clone, PartialEq, Eq, FromPrimitive, ToPrimitive)]
pub enum ShareControlPduType {
DemandActivePdu = 0x1,
ConfirmActivePdu = 0x3,
DeactivateAllPdu = 0x6,
DataPdu = 0x7,
ServerRedirect = 0xa,
}
#[derive(Debug, Copy, Clone, PartialEq, Eq, FromPrimitive, ToPrimitive)]
#[repr(u8)]
pub enum ShareDataPduType {
Update = 0x02,
Control = 0x14,
Pointer = 0x1b,
Input = 0x1c,
Synchronize = 0x1f,
RefreshRectangle = 0x21,
PlaySound = 0x22,
SuppressOutput = 0x23,
ShutdownRequest = 0x24,
ShutdownDenied = 0x25,
SaveSessionInfo = 0x26,
FontList = 0x27,
FontMap = 0x28,
SetKeyboardIndicators = 0x29,
BitmapCachePersistentList = 0x2b,
BitmapCacheErrorPdu = 0x2c,
SetKeyboardImeStatus = 0x2d,
OffscreenCacheErrorPdu = 0x2e,
SetErrorInfoPdu = 0x2f,
DrawNineGridErrorPdu = 0x30,
DrawGdiPusErrorPdu = 0x31,
ArcStatusPdu = 0x32,
StatusInfoPdu = 0x36,
MonitorLayoutPdu = 0x37,
FrameAcknowledgePdu = 0x38,
}
bitflags! {
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct CompressionFlags: u8 {
const COMPRESSED = 0x20;
const AT_FRONT = 0x40;
const FLUSHED = 0x80;
}
}
/// 2.2.3.1 Server Deactivate All PDU
///
/// [2.2.3.1]: https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-rdpbcgr/8a29971a-df3c-48da-add2-8ed9a05edc89
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct ServerDeactivateAll;
impl ServerDeactivateAll {
const FIXED_PART_SIZE: usize = 2 /* length_source_descriptor */ + 1 /* source_descriptor */;
}
impl Decode<'_> for ServerDeactivateAll {
fn decode(src: &mut ReadCursor<'_>) -> DecodeResult<Self> {
ensure_fixed_part_size!(in: src);
let length_source_descriptor = src.read_u16();
ensure_size!(in: src, size: length_source_descriptor.into());
let _ = src.read_slice(length_source_descriptor.into());
Ok(Self)
}
}
impl Encode for ServerDeactivateAll {
fn encode(&self, dst: &mut WriteCursor<'_>) -> EncodeResult<()> {
ensure_fixed_part_size!(in: dst);
// A 16-bit, unsigned integer. The size in bytes of the sourceDescriptor field.
dst.write_u16(1);
// Variable number of bytes. The source descriptor. This field SHOULD be set to 0x00.
dst.write_u8(0);
Ok(())
}
fn name(&self) -> &'static str {
"Server Deactivate All"
}
fn size(&self) -> usize {
Self::FIXED_PART_SIZE
}
}