int rts_send_OUT_R2_A7_pdu(rdpRpc* rpc)
{
int status;
BYTE* buffer;
rpcconn_rts_hdr_t header;
BYTE* SuccessorChannelCookie;
RpcInChannel* inChannel = rpc->VirtualConnection->DefaultInChannel;
RpcOutChannel* nextOutChannel = rpc->VirtualConnection->NonDefaultOutChannel;
rts_pdu_header_init(&header);
header.frag_length = 56;
header.Flags = RTS_FLAG_OUT_CHANNEL;
header.NumberOfCommands = 3;
WLog_DBG(TAG, "Sending OUT_R2/A7 RTS PDU");
SuccessorChannelCookie = (BYTE*) &(nextOutChannel->Cookie);
buffer = (BYTE*) malloc(header.frag_length);
if (!buffer)
return -1;
CopyMemory(buffer, ((BYTE*)&header), 20); /* RTS Header (20 bytes) */
rts_destination_command_write(&buffer[20], FDServer); /* Destination (8 bytes)*/
rts_cookie_command_write(&buffer[28], SuccessorChannelCookie); /* SuccessorChannelCookie (20 bytes) */
rts_version_command_write(&buffer[48]); /* Version (8 bytes) */
status = rpc_in_channel_write(inChannel, buffer, header.frag_length);
free(buffer);
return (status > 0) ? 1 : -1;
}
int rts_send_flow_control_ack_pdu(rdpRpc* rpc)
{
int status;
BYTE* buffer;
UINT32 length;
rpcconn_rts_hdr_t header;
UINT32 BytesReceived;
UINT32 AvailableWindow;
BYTE* ChannelCookie;
RpcVirtualConnection* connection = rpc->VirtualConnection;
RpcInChannel* inChannel = connection->DefaultInChannel;
RpcOutChannel* outChannel = connection->DefaultOutChannel;
rts_pdu_header_init(&header);
header.frag_length = 56;
header.Flags = RTS_FLAG_OTHER_CMD;
header.NumberOfCommands = 2;
WLog_DBG(TAG, "Sending FlowControlAck RTS PDU");
BytesReceived = outChannel->BytesReceived;
AvailableWindow = outChannel->AvailableWindowAdvertised;
ChannelCookie = (BYTE*) &(outChannel->Cookie);
outChannel->ReceiverAvailableWindow = outChannel->AvailableWindowAdvertised;
buffer = (BYTE*) malloc(header.frag_length);
if (!buffer)
return -1;
CopyMemory(buffer, ((BYTE*) &header), 20); /* RTS Header (20 bytes) */
rts_destination_command_write(&buffer[20], FDOutProxy); /* Destination Command (8 bytes) */
/* FlowControlAck Command (28 bytes) */
rts_flow_control_ack_command_write(&buffer[28], BytesReceived, AvailableWindow, ChannelCookie);
length = header.frag_length;
status = rpc_in_channel_write(inChannel, buffer, length);
free(buffer);
return (status > 0) ? 1 : -1;
}
BOOL rts_send_flow_control_ack_pdu(rdpRpc* rpc)
{
STREAM* s;
RTS_PDU_HEADER header;
UINT32 BytesReceived;
UINT32 AvailableWindow;
BYTE* ChannelCookie;
header.rpc_vers = 5;
header.rpc_vers_minor = 0;
header.ptype = PTYPE_RTS;
header.pfc_flags = PFC_FIRST_FRAG | PFC_LAST_FRAG;
header.packed_drep[0] = 0x10;
header.packed_drep[1] = 0x00;
header.packed_drep[2] = 0x00;
header.packed_drep[3] = 0x00;
header.frag_length = 56;
header.auth_length = 0;
header.call_id = 0;
header.flags = 2;
header.numberOfCommands = 2;
DEBUG_RPC("Sending FlowControlAck RTS PDU");
BytesReceived = rpc->VirtualConnection->DefaultOutChannel->BytesReceived;
AvailableWindow = rpc->VirtualConnection->DefaultOutChannel->ReceiverAvailableWindow;
ChannelCookie = (BYTE*) &(rpc->VirtualConnection->DefaultOutChannelCookie);
s = stream_new(header.frag_length);
rts_pdu_header_write(s, &header); /* RTS Header (20 bytes) */
rts_destination_command_write(s, FDOutProxy); /* Destination Command (8 bytes) */
/* FlowControlAck Command (28 bytes) */
rts_flow_control_ack_command_write(s, BytesReceived, AvailableWindow, ChannelCookie);
stream_seal(s);
rpc_in_write(rpc, s->data, s->size);
stream_free(s);
return TRUE;
}
int rts_send_flow_control_ack_pdu(rdpRpc* rpc)
{
BYTE* buffer;
UINT32 length;
rpcconn_rts_hdr_t header;
UINT32 BytesReceived;
UINT32 AvailableWindow;
BYTE* ChannelCookie;
rts_pdu_header_init(&header);
header.frag_length = 56;
header.Flags = RTS_FLAG_OTHER_CMD;
header.NumberOfCommands = 2;
DEBUG_RPC("Sending FlowControlAck RTS PDU");
BytesReceived = rpc->VirtualConnection->DefaultOutChannel->BytesReceived;
AvailableWindow = rpc->VirtualConnection->DefaultOutChannel->AvailableWindowAdvertised;
ChannelCookie = (BYTE*) &(rpc->VirtualConnection->DefaultOutChannelCookie);
rpc->VirtualConnection->DefaultOutChannel->ReceiverAvailableWindow =
rpc->VirtualConnection->DefaultOutChannel->AvailableWindowAdvertised;
buffer = (BYTE*) malloc(header.frag_length);
CopyMemory(buffer, ((BYTE*) &header), 20); /* RTS Header (20 bytes) */
rts_destination_command_write(&buffer[20], FDOutProxy); /* Destination Command (8 bytes) */
/* FlowControlAck Command (28 bytes) */
rts_flow_control_ack_command_write(&buffer[28], BytesReceived, AvailableWindow, ChannelCookie);
length = header.frag_length;
rpc_in_write(rpc, buffer, length);
free(buffer);
return 0;
}