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_ping_pdu(rdpRpc* rpc)
{
int status;
BYTE* buffer;
UINT32 length;
rpcconn_rts_hdr_t header;
RpcInChannel* inChannel = rpc->VirtualConnection->DefaultInChannel;
rts_pdu_header_init(&header);
header.frag_length = 20;
header.Flags = RTS_FLAG_PING;
header.NumberOfCommands = 0;
WLog_DBG(TAG, "Sending Ping RTS PDU");
buffer = (BYTE*) malloc(header.frag_length);
if (!buffer)
return -1;
CopyMemory(buffer, ((BYTE*) &header), 20); /* RTS Header (20 bytes) */
length = header.frag_length;
status = rpc_in_channel_write(inChannel, buffer, length);
free(buffer);
return (status > 0) ? 1 : -1;
}
int rts_send_keep_alive_pdu(rdpRpc* rpc)
{
int status;
BYTE* buffer;
UINT32 length;
rpcconn_rts_hdr_t header;
RpcInChannel* inChannel = rpc->VirtualConnection->DefaultInChannel;
rts_pdu_header_init(&header);
header.frag_length = 28;
header.Flags = RTS_FLAG_OTHER_CMD;
header.NumberOfCommands = 1;
WLog_DBG(TAG, "Sending Keep-Alive RTS PDU");
buffer = (BYTE*) malloc(header.frag_length);
if (!buffer)
return -1;
CopyMemory(buffer, ((BYTE*) &header), 20); /* RTS Header (20 bytes) */
rts_client_keepalive_command_write(&buffer[20], rpc->CurrentKeepAliveInterval); /* ClientKeepAlive (8 bytes) */
length = header.frag_length;
status = rpc_in_channel_write(inChannel, buffer, 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;
}
int rts_send_CONN_B1_pdu(rdpRpc* rpc)
{
int status;
BYTE* buffer;
UINT32 length;
rpcconn_rts_hdr_t header;
BYTE* INChannelCookie;
BYTE* AssociationGroupId;
BYTE* VirtualConnectionCookie;
RpcVirtualConnection* connection = rpc->VirtualConnection;
RpcInChannel* inChannel = connection->DefaultInChannel;
rts_pdu_header_init(&header);
header.frag_length = 104;
header.Flags = RTS_FLAG_NONE;
header.NumberOfCommands = 6;
WLog_DBG(TAG, "Sending CONN/B1 RTS PDU");
VirtualConnectionCookie = (BYTE*) &(connection->Cookie);
INChannelCookie = (BYTE*) &(inChannel->Cookie);
AssociationGroupId = (BYTE*) &(connection->AssociationGroupId);
buffer = (BYTE*) malloc(header.frag_length);
if (!buffer)
return -1;
CopyMemory(buffer, ((BYTE*) &header), 20); /* RTS Header (20 bytes) */
rts_version_command_write(&buffer[20]); /* Version (8 bytes) */
rts_cookie_command_write(&buffer[28], VirtualConnectionCookie); /* VirtualConnectionCookie (20 bytes) */
rts_cookie_command_write(&buffer[48], INChannelCookie); /* INChannelCookie (20 bytes) */
rts_channel_lifetime_command_write(&buffer[68], rpc->ChannelLifetime); /* ChannelLifetime (8 bytes) */
rts_client_keepalive_command_write(&buffer[76], rpc->KeepAliveInterval); /* ClientKeepalive (8 bytes) */
rts_association_group_id_command_write(&buffer[84], AssociationGroupId); /* AssociationGroupId (20 bytes) */
length = header.frag_length;
status = rpc_in_channel_write(inChannel, buffer, length);
free(buffer);
return (status > 0) ? 1 : -1;
}
int rpc_ncacn_http_send_in_channel_request(rdpRpc* rpc, RpcInChannel* inChannel)
{
wStream* s;
int status;
int contentLength;
BOOL continueNeeded;
rdpNtlm* ntlm = inChannel->ntlm;
HttpContext* http = inChannel->http;
continueNeeded = ntlm_authenticate(ntlm);
contentLength = (continueNeeded) ? 0 : 0x40000000;
s = rpc_ntlm_http_request(rpc, http, "RPC_IN_DATA", contentLength, &ntlm->outputBuffer[0]);
if (!s)
return -1;
status = rpc_in_channel_write(inChannel, Stream_Buffer(s), Stream_Length(s));
Stream_Free(s, TRUE);
return (status > 0) ? 1 : -1;
}