explicit ShareData_Recv(InStream & stream, rdp_mppc_dec * dec = nullptr)
//==============================================================================
: CheckShareData_Recv(stream)
, share_id(stream.in_uint32_le())
, pad1(stream.in_uint8())
, streamid(stream.in_uint8())
, len(stream.in_uint16_le())
, pdutype2(stream.in_uint8())
, compressedType(stream.in_uint8())
, compressedLen(stream.in_uint16_le())
, payload([&stream, dec, this]() {
if (this->compressedType & PACKET_COMPRESSED) {
if (!dec) {
LOG(LOG_INFO, "ShareData_Recv: got unexpected compressed share data");
throw Error(ERR_SEC);
}
const uint8_t * rdata;
uint32_t rlen;
dec->decompress(stream.get_data()+stream.get_offset(), stream.in_remain(),
this->compressedType, rdata, rlen);
return InStream(rdata, 0, rlen);
}
else {
return InStream(stream.get_current(), stream.in_remain());
}
}())
// BEGIN CONSTRUCTOR
{
//LOG( LOG_INFO, "ShareData_Recv: pdutype2=%u len=%u compressedLen=%u payload_size=%u"
// , this->pdutype2, this->len, this->compressedLen, this->payload.size());
stream.in_skip_bytes(stream.in_remain());
} // END CONSTRUCTOR
void recv(InStream & stream, uint16_t len)
{
this->len = len;
this->cacheVersion = stream.in_uint8();
this->pad1 = stream.in_uint8();
this->pad2 = stream.in_uint16_le();
}
explicit ShareFlow_Recv(InStream & stream)
: flowMarker([&stream]{
if (!stream.in_check_rem(2+1+1+1+1+2)){
LOG(LOG_ERR,
"Truncated "
"[2: ShareFlow PDU packet]"
"[1: ShareFlow pad]"
"[1: ShareFlow PDU type]"
"[1: flow Identifier]"
"[1: flow number]"
"[2: ShareFlow PDU packet] , remains=%zu", stream.in_remain());
throw Error(ERR_SEC);
}
return stream.in_uint16_le();
}())
, pad(stream.in_uint8())
, pduTypeFlow(stream.in_uint8())
, flowIdentifier(stream.in_uint8())
, flowNumber(stream.in_uint8())
, mcs_channel(stream.in_uint16_le())
{
LOG(LOG_INFO, "Flow control packet %.4x (offset=%zu)", this->flowMarker, stream.get_offset());
if (this->flowMarker != 0x8000) {
LOG(LOG_ERR, "Expected flow control packet, got %.4x", this->flowMarker);
throw Error(ERR_SEC);
}
LOG(LOG_INFO, "PDUTypeFlow=%u", this->pduTypeFlow);
if (stream.in_remain()) {
LOG(LOG_INFO, "trailing bytes in FlowPDU, remains %zu bytes", stream.in_remain());
}
}
void receive(InStream & stream, const RDPPrimaryOrderHeader & header) {
//LOG(LOG_INFO, "RDPMultiDstBlt::receive: header fields=0x%02X", header.fields);
header.receive_coord(stream, 0x0001, this->nLeftRect);
header.receive_coord(stream, 0x0002, this->nTopRect);
header.receive_coord(stream, 0x0004, this->nWidth);
header.receive_coord(stream, 0x0008, this->nHeight);
if (header.fields & 0x0010) {
this->bRop = stream.in_uint8();
}
if (header.fields & 0x0020) {
this->nDeltaEntries = stream.in_uint8();
}
if (header.fields & 0x0040) {
uint16_t cbData = stream.in_uint16_le();
//LOG(LOG_INFO, "cbData=%d", cbData);
InStream rgbData(stream.get_current(), cbData);
stream.in_skip_bytes(cbData);
//hexdump_d(rgbData.get_current(), rgbData.get_capacity());
uint8_t zeroBitsSize = ((this->nDeltaEntries + 1) / 2);
//LOG(LOG_INFO, "zeroBitsSize=%d", zeroBitsSize);
InStream zeroBits(rgbData.get_current(), zeroBitsSize);
rgbData.in_skip_bytes(zeroBitsSize);
uint8_t zeroBit = 0;
for (uint8_t i = 0, m2 = 0; i < this->nDeltaEntries; i++, m2++) {
if (m2 == 2) {
m2 = 0;
}
if (!m2) {
zeroBit = zeroBits.in_uint8();
//LOG(LOG_INFO, "0x%02X", zeroBit);
}
this->deltaEncodedRectangles[i].leftDelta = (!(zeroBit & 0x80) ? rgbData.in_DEP() : 0);
this->deltaEncodedRectangles[i].topDelta = (!(zeroBit & 0x40) ? rgbData.in_DEP() : 0);
this->deltaEncodedRectangles[i].width = (!(zeroBit & 0x20) ? rgbData.in_DEP() : 0);
this->deltaEncodedRectangles[i].height = (!(zeroBit & 0x10) ? rgbData.in_DEP() : 0);
//LOG(LOG_INFO, "RDPMultiDstBlt::receive: delta rectangle=(%d, %d, %d, %d)",
// this->deltaEncodedRectangles[i].leftDelta, this->deltaEncodedRectangles[i].topDelta,
// this->deltaEncodedRectangles[i].width, this->deltaEncodedRectangles[i].height);
zeroBit <<= 4;
}
}
} // void receive(InStream & stream, const RDPPrimaryOrderHeader & header)
void recv(InStream & stream) {
// size_t size;
this->RespType = stream.in_uint8();
this->HiRespType = stream.in_uint8();
stream.in_skip_bytes(2);
stream.in_skip_bytes(4);
stream.in_copy_bytes(this->Timestamp, 8);
stream.in_copy_bytes(this->ClientChallenge, 8);
stream.in_skip_bytes(4);
this->AvPairList.recv(stream);
stream.in_skip_bytes(4);
}
void receive(InStream & stream) {
{
const unsigned expected = 4; // allowDisplayUpdates(1) + Padding(3)
if (!stream.in_check_rem(expected)) {
LOG(LOG_ERR,
"Truncated SuppressOutputPDUData: expected=%u remains=%zu",
expected, stream.in_remain());
throw Error(ERR_RDP_DATA_TRUNCATED);
}
}
this->allowDisplayUpdates_ = stream.in_uint8();
stream.in_skip_bytes(3); // Padding(3)
if (ALLOW_DISPLAY_UPDATES == this->allowDisplayUpdates_) {
{
const unsigned expected = 8; // left(2) + top(2) + right(2) + bottom(2)
if (!stream.in_check_rem(expected)) {
LOG(LOG_ERR,
"Truncated SuppressOutputPDUData(2): expected=%u remains=%zu",
expected, stream.in_remain());
throw Error(ERR_RDP_DATA_TRUNCATED);
}
}
this->left_ = stream.in_uint16_le();
this->top_ = stream.in_uint16_le();
this->right_ = stream.in_uint16_le();
this->bottom_ = stream.in_uint16_le();
}
} // void receive(InStream & stream)
void recv(InStream & stream, uint16_t len)
{
this->len = len;
this->WndSupportLevel = stream.in_uint32_le();
this->NumIconCaches = stream.in_uint8();
this->NumIconCacheEntries = stream.in_uint16_le();
}
void receive(InStream & stream, const RDPSecondaryOrderHeader &/* header*/)
{
using namespace RDP;
this->cacheIndex = stream.in_uint8();
LOG(LOG_INFO, "receiving colormap %u", this->cacheIndex);
assert(this->cacheIndex < 6);
uint16_t numberColors = stream.in_uint16_le();
for (size_t i = 0; i < numberColors; i++) {
uint8_t b = stream.in_uint8();
uint8_t g = stream.in_uint8();
uint8_t r = stream.in_uint8();
stream.in_skip_bytes(1);
this->palette.set_color(i, b|(g << 8)| (r << 16));
}
}
void receive(InStream & stream, const RDPPrimaryOrderHeader & header) {
// LOG(LOG_INFO, "RDPEllipseSC::receive: header fields=0x%02X", header.fields);
int16_t leftRect = this->el.left();
int16_t topRect = this->el.top();
int16_t rightRect = this->el.right();
int16_t bottomRect = this->el.bottom();
header.receive_coord(stream, 0x0001, leftRect);
header.receive_coord(stream, 0x0002, topRect);
header.receive_coord(stream, 0x0004, rightRect);
header.receive_coord(stream, 0x0008, bottomRect);
this->el = Ellipse(leftRect, topRect, rightRect, bottomRect);
if (header.fields & 0x0010) {
this->bRop2 = stream.in_uint8();
}
if (header.fields & 0x0020) {
this->fillMode = stream.in_uint8();
}
if (header.fields & 0x0040) {
receive_rdp_color(stream, this->color);
}
}
inline void process_glyphcache(GlyphCache & gly_cache, InStream & stream) {
const uint8_t cacheId = stream.in_uint8();
const uint8_t nglyphs = stream.in_uint8();
for (uint8_t i = 0; i < nglyphs; i++) {
const uint16_t cacheIndex = stream.in_uint16_le();
const int16_t offset = stream.in_sint16_le();
const int16_t baseline = stream.in_sint16_le();
const uint16_t width = stream.in_uint16_le();
const uint16_t height = stream.in_uint16_le();
const unsigned int datasize = (height * nbbytes(width) + 3) & ~3;
const uint8_t * data = stream.in_uint8p(datasize);
server_add_char(gly_cache, cacheId, cacheIndex, offset, baseline, width, height, data);
}
}
void recv(InStream & stream, uint16_t len)override {
this->len = len;
if (len != CAPLEN_BITMAPCACHE_REV2 || !stream.in_check_rem(len)) {
LOG(LOG_ERR, "Broken CAPSTYPE_BITMAPCACHE_REV2, need=%u (%" PRIu16 ") remains=%zu",
CAPLEN_BITMAPCACHE_REV2, len, stream.in_remain());
throw Error(ERR_MCS_PDU_TRUNCATED);
}
this->cacheFlags = stream.in_uint16_le();
this->pad1 = stream.in_uint8();
this->numCellCaches = stream.in_uint8();
this->bitmapCache0CellInfo = stream.in_uint32_le();
this->bitmapCache1CellInfo = stream.in_uint32_le();
this->bitmapCache2CellInfo = stream.in_uint32_le();
this->bitmapCache3CellInfo = stream.in_uint32_le();
this->bitmapCache4CellInfo = stream.in_uint32_le();
stream.in_skip_bytes(12);
}
void receive(InStream & stream, const RDPPrimaryOrderHeader & header)
{
using namespace RDP;
if (header.fields & 0x001) {
this->back_mode = stream.in_uint16_le();
}
header.receive_coord(stream, 0x002, this->startx);
header.receive_coord(stream, 0x004, this->starty);
header.receive_coord(stream, 0x008, this->endx);
header.receive_coord(stream, 0x010, this->endy);
if (header.fields & 0x020) {
receive_rdp_color(stream, this->back_color);
}
if (header.fields & 0x040) {
this->rop2 = stream.in_uint8();
}
header.receive_pen(stream, 0x080, this->pen);
}
void receive(InStream & stream, const RDPPrimaryOrderHeader & header) {
// LOG(LOG_INFO, "RDPPolygonSC::receive: header fields=0x%02X", header.fields);
header.receive_coord(stream, 0x0001, this->xStart);
header.receive_coord(stream, 0x0002, this->yStart);
if (header.fields & 0x0004) {
this->bRop2 = stream.in_uint8();
}
if (header.fields & 0x0008) {
this->fillMode = stream.in_uint8();
}
if (header.fields & 0x0010) {
receive_rdp_color(stream, this->backColor);
}
if (header.fields & 0x0020) {
receive_rdp_color(stream, this->foreColor);
}
header.receive_brush(stream, 0x0040, this->brush);
if (header.fields & 0x0800) {
this->NumDeltaEntries = stream.in_uint8();
}
if (header.fields & 0x1000) {
uint8_t cbData = stream.in_uint8();
// LOG(LOG_INFO, "cbData=%d", cbData);
InStream rgbData(stream.get_current(), cbData);
stream.in_skip_bytes(cbData);
// hexdump_d(rgbData.get_current(), rgbData.get_capacity());
uint8_t zeroBitsSize = ((this->NumDeltaEntries + 3) / 4);
// LOG(LOG_INFO, "zeroBitsSize=%d", zeroBitsSize);
InStream zeroBits(rgbData.get_current(), zeroBitsSize);
rgbData.in_skip_bytes(zeroBitsSize);
uint8_t zeroBit = 0;
for (uint8_t i = 0, m4 = 0; i < this->NumDeltaEntries; i++, m4++) {
if (m4 == 4) {
m4 = 0;
}
if (!m4) {
zeroBit = zeroBits.in_uint8();
// LOG(LOG_INFO, "0x%02X", zeroBit);
}
this->deltaPoints[i].xDelta = (!(zeroBit & 0x80) ? rgbData.in_DEP() : 0);
this->deltaPoints[i].yDelta = (!(zeroBit & 0x40) ? rgbData.in_DEP() : 0);
/*
LOG(LOG_INFO, "RDPPolygonCB::receive: delta point=%d, %d",
this->deltaPoints[i].xDelta, this->deltaPoints[i].yDelta);
*/
zeroBit <<= 2;
}
}
} // receive
explicit AltsecDrawingOrderHeader(InStream & stream) {
this->controlFlags = stream.in_uint8();
this->class_ = (this->controlFlags & 0x03);
this->orderType = (this->controlFlags >> 2);
}