void emit(OutStream & stream) /* TODO const*/ {
// ULONG length;
this->RespType = 0x01;
this->HiRespType = 0x01;
stream.out_uint8(this->RespType);
stream.out_uint8(this->HiRespType);
stream.out_clear_bytes(2);
stream.out_clear_bytes(4);
stream.out_copy_bytes(this->Timestamp, 8);
stream.out_copy_bytes(this->ClientChallenge, 8);
stream.out_clear_bytes(4);
this->AvPairList.emit(stream);
stream.out_clear_bytes(4);
}
// TODO simplify and enhance compression using 1 pixel orders BLACK or WHITE.
void Bitmap::compress(BitsPerPixel session_color_depth, OutStream & outbuffer) const
{
if (this->data_bitmap->compressed_size()) {
outbuffer.out_copy_bytes(this->data_bitmap->compressed_data(), this->data_bitmap->compressed_size());
return;
}
uint8_t * tmp_data_compressed = outbuffer.get_current();
ConstImageDataView const image_view{
this->data(),
this->cx(),
this->cy(),
this->line_size(),
this->bpp(),
ConstImageDataView::Storage::BottomToTop
};
if ((session_color_depth == BitsPerPixel{32}) && ((this->bpp() == BitsPerPixel{24}) || (this->bpp() == BitsPerPixel{32}))) {
rle_compress60(image_view, outbuffer);
}
else {
rle_compress(image_view, outbuffer);
}
// Memoize result of compression
this->data_bitmap->copy_compressed_buffer(
tmp_data_compressed, outbuffer.get_current() - tmp_data_compressed);
}
void emit(OutStream & stream)override {
stream.out_uint16_le(this->capabilityType);
stream.out_uint16_le(this->len);
stream.out_copy_bytes(this->terminalDescriptor, 16);
stream.out_uint32_be(this->pad4octetsA);
stream.out_uint16_le(this->desktopSaveXGranularity);
stream.out_uint16_le(this->desktopSaveYGranularity);
stream.out_uint16_le(this->pad2octetsA);
stream.out_uint16_le(this->maximumOrderLevel);
stream.out_uint16_le(this->numberFonts);
stream.out_uint16_le(this->orderFlags);
stream.out_copy_bytes(this->orderSupport, NB_ORDER_SUPPORT);
stream.out_uint16_le(this->textFlags);
stream.out_uint16_le(this->orderSupportExFlags);
stream.out_uint32_le(this->pad4octetsB);
stream.out_uint32_le(this->desktopSaveSize);
stream.out_uint16_le(this->pad2octetsC);
stream.out_uint16_le(this->pad2octetsD);
stream.out_uint16_le(this->textANSICodePage);
stream.out_uint16_le(this->pad2octetsE);
}
void get_compressed_data(OutStream & stream) const override
{
if (stream.tailroom() <
static_cast<size_t>(2) + // Level1ComprFlags(1) + Level2ComprFlags(1)
this->bytes_in_output_buffer) {
LOG(LOG_ERR, "rdp_mppc_61_enc::get_compressed_data: Buffer too small");
throw Error(ERR_BUFFER_TOO_SMALL);
}
stream.out_uint8(this->Level1ComprFlags);
stream.out_uint8(this->Level2ComprFlags);
stream.out_copy_bytes(this->outputBuffer, this->bytes_in_output_buffer);
}
void emit(OutStream & stream) /* TODO const*/ {
uint32_t currentOffset = this->PayloadOffset;
if (this->version.ignore_version) {
currentOffset -= 8;
}
if (this->has_mic) {
currentOffset += 16;
}
this->message.emit(stream);
currentOffset += this->LmChallengeResponse.emit(stream, currentOffset);
currentOffset += this->NtChallengeResponse.emit(stream, currentOffset);
currentOffset += this->DomainName.emit(stream, currentOffset);
currentOffset += this->UserName.emit(stream, currentOffset);
currentOffset += this->Workstation.emit(stream, currentOffset);
currentOffset += this->EncryptedRandomSessionKey.emit(stream, currentOffset);
(void)currentOffset;
this->negoFlags.emit(stream);
this->version.emit(stream);
if (this->has_mic) {
if (this->ignore_mic) {
stream.out_clear_bytes(16);
}
else {
stream.out_copy_bytes(this->MIC, 16);
}
}
// PAYLOAD
this->LmChallengeResponse.write_payload(stream);
this->NtChallengeResponse.write_payload(stream);
this->DomainName.write_payload(stream);
this->UserName.write_payload(stream);
this->Workstation.write_payload(stream);
this->EncryptedRandomSessionKey.write_payload(stream);
}
void emit(OutStream & stream) /* TODO const*/ {
stream.out_copy_bytes(this->Response, 16);
this->Challenge.emit(stream);
}
void emit(OutStream & stream) const {
stream.out_copy_bytes(this->Response, 16);
stream.out_copy_bytes(this->ClientChallenge, 8);
}
void emit(NTLM_AV_ID avId, OutStream & stream) const
{
stream.out_uint16_le(avId);
stream.out_uint16_le(this->avLen);
stream.out_copy_bytes(this->data.get(), this->avLen);
}