int rts_recv_out_of_sequence_pdu(rdpRpc* rpc, BYTE* buffer, UINT32 length)
{
UINT32 SignatureId;
rpcconn_rts_hdr_t* rts;
RtsPduSignature signature;
rts = (rpcconn_rts_hdr_t*) buffer;
rts_extract_pdu_signature(rpc, &signature, rts);
SignatureId = rts_identify_pdu_signature(rpc, &signature, NULL);
switch (SignatureId)
{
case RTS_PDU_FLOW_CONTROL_ACK:
return rts_recv_flow_control_ack_pdu(rpc, buffer, length);
case RTS_PDU_FLOW_CONTROL_ACK_WITH_DESTINATION:
return rts_recv_flow_control_ack_with_destination_pdu(rpc, buffer, length);
case RTS_PDU_PING:
return rts_send_ping_pdu(rpc);
case RTS_PDU_OUT_R1_A2:
return rts_recv_OUT_R1_A2_pdu(rpc, buffer, length);
default:
WLog_ERR(TAG, "unimplemented signature id: 0x%08X", SignatureId);
rts_print_pdu_signature(rpc, &signature);
break;
}
return 0;
}
int rts_recv_out_of_sequence_pdu(rdpRpc* rpc, BYTE* buffer, UINT32 length)
{
UINT32 SignatureId;
rpcconn_rts_hdr_t* rts;
RtsPduSignature signature;
rts = (rpcconn_rts_hdr_t*) buffer;
rts_extract_pdu_signature(rpc, &signature, rts);
SignatureId = rts_identify_pdu_signature(rpc, &signature, NULL);
if (SignatureId == RTS_PDU_FLOW_CONTROL_ACK)
{
return rts_recv_flow_control_ack_pdu(rpc, buffer, length);
}
else if (SignatureId == RTS_PDU_FLOW_CONTROL_ACK_WITH_DESTINATION)
{
return rts_recv_flow_control_ack_with_destination_pdu(rpc, buffer, length);
}
else if (SignatureId == RTS_PDU_PING)
{
rts_send_ping_pdu(rpc);
}
else
{
printf("Unimplemented signature id: 0x%08X\n", SignatureId);
rts_print_pdu_signature(rpc, &signature);
}
return 0;
}
int rts_recv_out_of_sequence_pdu(rdpRpc* rpc, BYTE* buffer, UINT32 length)
{
int status = -1;
UINT32 SignatureId;
rpcconn_rts_hdr_t* rts;
RtsPduSignature signature;
RpcVirtualConnection* connection = rpc->VirtualConnection;
rts = (rpcconn_rts_hdr_t*) buffer;
rts_extract_pdu_signature(rpc, &signature, rts);
SignatureId = rts_identify_pdu_signature(rpc, &signature, NULL);
if (rts_match_pdu_signature(rpc, &RTS_PDU_FLOW_CONTROL_ACK_SIGNATURE, rts))
{
status = rts_recv_flow_control_ack_pdu(rpc, buffer, length);
}
else if (rts_match_pdu_signature(rpc, &RTS_PDU_FLOW_CONTROL_ACK_WITH_DESTINATION_SIGNATURE, rts))
{
status = rts_recv_flow_control_ack_with_destination_pdu(rpc, buffer, length);
}
else if (rts_match_pdu_signature(rpc, &RTS_PDU_PING_SIGNATURE, rts))
{
status = rts_send_ping_pdu(rpc);
}
else
{
if (connection->DefaultOutChannel->State == CLIENT_OUT_CHANNEL_STATE_OPENED)
{
if (rts_match_pdu_signature(rpc, &RTS_PDU_OUT_R1_A2_SIGNATURE, rts))
{
status = rts_recv_OUT_R1_A2_pdu(rpc, buffer, length);
}
}
else if (connection->DefaultOutChannel->State == CLIENT_OUT_CHANNEL_STATE_OPENED_A6W)
{
if (rts_match_pdu_signature(rpc, &RTS_PDU_OUT_R2_A6_SIGNATURE, rts))
{
status = rts_recv_OUT_R2_A6_pdu(rpc, buffer, length);
}
}
else if (connection->DefaultOutChannel->State == CLIENT_OUT_CHANNEL_STATE_OPENED_B3W)
{
if (rts_match_pdu_signature(rpc, &RTS_PDU_OUT_R2_B3_SIGNATURE, rts))
{
status = rts_recv_OUT_R2_B3_pdu(rpc, buffer, length);
}
}
}
if (status < 0)
{
WLog_ERR(TAG, "error parsing RTS PDU with signature id: 0x%08X", SignatureId);
rts_print_pdu_signature(rpc, &signature);
}
return status;
}
int rts_print_pdu_signature(rdpRpc* rpc, RtsPduSignature* signature)
{
UINT32 SignatureId;
RTS_PDU_SIGNATURE_ENTRY* entry;
WLog_INFO(TAG, "RTS PDU Signature: Flags: 0x%04X NumberOfCommands: %d",
signature->Flags, signature->NumberOfCommands);
SignatureId = rts_identify_pdu_signature(rpc, signature, &entry);
if (SignatureId)
WLog_ERR(TAG, "Identified %s RTS PDU", entry->PduName);
return 0;
}