336 lines
14 KiB
C
336 lines
14 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Request To Send (RTS) PDU Signatures
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*
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* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <freerdp/log.h>
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#include "rts_signature.h"
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#define TAG FREERDP_TAG("core.gateway.rts")
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RtsPduSignature RTS_PDU_CONN_A1_SIGNATURE = { RTS_FLAG_NONE, 4,
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{ RTS_CMD_VERSION, RTS_CMD_COOKIE, RTS_CMD_COOKIE, RTS_CMD_RECEIVE_WINDOW_SIZE, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_CONN_A2_SIGNATURE = { RTS_FLAG_OUT_CHANNEL, 5,
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{ RTS_CMD_VERSION, RTS_CMD_COOKIE, RTS_CMD_COOKIE, RTS_CMD_CHANNEL_LIFETIME,
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RTS_CMD_RECEIVE_WINDOW_SIZE, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_CONN_A3_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_CONNECTION_TIMEOUT, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_CONN_B1_SIGNATURE = { RTS_FLAG_NONE, 6,
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{ RTS_CMD_VERSION, RTS_CMD_COOKIE, RTS_CMD_COOKIE, RTS_CMD_CHANNEL_LIFETIME,
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RTS_CMD_CLIENT_KEEPALIVE, RTS_CMD_ASSOCIATION_GROUP_ID, 0, 0 } };
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RtsPduSignature RTS_PDU_CONN_B2_SIGNATURE = { RTS_FLAG_IN_CHANNEL, 7,
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{ RTS_CMD_VERSION, RTS_CMD_COOKIE, RTS_CMD_COOKIE, RTS_CMD_RECEIVE_WINDOW_SIZE,
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RTS_CMD_CONNECTION_TIMEOUT, RTS_CMD_ASSOCIATION_GROUP_ID, RTS_CMD_CLIENT_ADDRESS, 0 } };
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RtsPduSignature RTS_PDU_CONN_B3_SIGNATURE = { RTS_FLAG_NONE, 2,
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{ RTS_CMD_RECEIVE_WINDOW_SIZE, RTS_CMD_VERSION, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_CONN_C1_SIGNATURE = { RTS_FLAG_NONE, 3,
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{ RTS_CMD_VERSION, RTS_CMD_RECEIVE_WINDOW_SIZE, RTS_CMD_CONNECTION_TIMEOUT, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_CONN_C2_SIGNATURE = { RTS_FLAG_NONE, 3,
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{ RTS_CMD_VERSION, RTS_CMD_RECEIVE_WINDOW_SIZE, RTS_CMD_CONNECTION_TIMEOUT, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_IN_R1_A1_SIGNATURE = { RTS_FLAG_RECYCLE_CHANNEL, 4,
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{ RTS_CMD_VERSION, RTS_CMD_COOKIE, RTS_CMD_COOKIE, RTS_CMD_COOKIE, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_IN_R1_A2_SIGNATURE = { RTS_FLAG_NONE, 4,
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{ RTS_CMD_VERSION, RTS_CMD_COOKIE, RTS_CMD_COOKIE, RTS_CMD_COOKIE,
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RTS_CMD_RECEIVE_WINDOW_SIZE, RTS_CMD_CONNECTION_TIMEOUT, 0, 0 } };
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RtsPduSignature RTS_PDU_IN_R1_A3_SIGNATURE = { RTS_FLAG_NONE, 4,
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{ RTS_CMD_DESTINATION, RTS_CMD_VERSION, RTS_CMD_RECEIVE_WINDOW_SIZE,
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RTS_CMD_CONNECTION_TIMEOUT, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_IN_R1_A4_SIGNATURE = { RTS_FLAG_NONE, 4,
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{ RTS_CMD_DESTINATION, RTS_CMD_VERSION, RTS_CMD_RECEIVE_WINDOW_SIZE,
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RTS_CMD_CONNECTION_TIMEOUT, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_IN_R1_A5_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_COOKIE, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_IN_R1_A6_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_COOKIE, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_IN_R1_B1_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_EMPTY, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_IN_R1_B2_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_RECEIVE_WINDOW_SIZE, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_IN_R2_A1_SIGNATURE = { RTS_FLAG_RECYCLE_CHANNEL, 4,
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{ RTS_CMD_VERSION, RTS_CMD_COOKIE, RTS_CMD_COOKIE, RTS_CMD_COOKIE, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_IN_R2_A2_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_COOKIE, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_IN_R2_A3_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_DESTINATION, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_IN_R2_A4_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_DESTINATION, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_IN_R2_A5_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_COOKIE, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R1_A1_SIGNATURE = { RTS_FLAG_RECYCLE_CHANNEL, 1,
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{ RTS_CMD_DESTINATION, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R1_A2_SIGNATURE = { RTS_FLAG_RECYCLE_CHANNEL, 1,
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{ RTS_CMD_DESTINATION, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R1_A3_SIGNATURE = { RTS_FLAG_RECYCLE_CHANNEL, 5,
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{ RTS_CMD_VERSION, RTS_CMD_COOKIE, RTS_CMD_COOKIE, RTS_CMD_COOKIE,
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RTS_CMD_RECEIVE_WINDOW_SIZE, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R1_A4_SIGNATURE = { RTS_FLAG_RECYCLE_CHANNEL | RTS_FLAG_OUT_CHANNEL, 7,
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{ RTS_CMD_VERSION, RTS_CMD_COOKIE, RTS_CMD_COOKIE, RTS_CMD_COOKIE, RTS_CMD_CHANNEL_LIFETIME,
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RTS_CMD_RECEIVE_WINDOW_SIZE, RTS_CMD_CONNECTION_TIMEOUT, 0 } };
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RtsPduSignature RTS_PDU_OUT_R1_A5_SIGNATURE = { RTS_FLAG_OUT_CHANNEL, 3,
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{ RTS_CMD_DESTINATION, RTS_CMD_VERSION, RTS_CMD_CONNECTION_TIMEOUT, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R1_A6_SIGNATURE = { RTS_FLAG_OUT_CHANNEL, 3,
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{ RTS_CMD_DESTINATION, RTS_CMD_VERSION, RTS_CMD_CONNECTION_TIMEOUT, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R1_A7_SIGNATURE = { RTS_FLAG_OUT_CHANNEL, 2,
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{ RTS_CMD_DESTINATION, RTS_CMD_COOKIE, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R1_A8_SIGNATURE = { RTS_FLAG_OUT_CHANNEL, 2,
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{ RTS_CMD_DESTINATION, RTS_CMD_COOKIE, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R1_A9_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_ANCE, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R1_A10_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_ANCE, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R1_A11_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_ANCE, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R2_A1_SIGNATURE = { RTS_FLAG_RECYCLE_CHANNEL, 1,
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{ RTS_CMD_DESTINATION, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R2_A2_SIGNATURE = { RTS_FLAG_RECYCLE_CHANNEL, 1,
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{ RTS_CMD_DESTINATION, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R2_A3_SIGNATURE = { RTS_FLAG_RECYCLE_CHANNEL, 5,
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{ RTS_CMD_VERSION, RTS_CMD_COOKIE, RTS_CMD_COOKIE, RTS_CMD_COOKIE,
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RTS_CMD_RECEIVE_WINDOW_SIZE, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R2_A4_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_COOKIE, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R2_A5_SIGNATURE = { RTS_FLAG_NONE, 2,
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{ RTS_CMD_DESTINATION, RTS_CMD_ANCE, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R2_A6_SIGNATURE = { RTS_FLAG_NONE, 2,
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{ RTS_CMD_DESTINATION, RTS_CMD_ANCE, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R2_A7_SIGNATURE = { RTS_FLAG_NONE, 3,
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{ RTS_CMD_DESTINATION, RTS_CMD_COOKIE, RTS_CMD_VERSION, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R2_A8_SIGNATURE = { RTS_FLAG_OUT_CHANNEL, 2,
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{ RTS_CMD_DESTINATION, RTS_CMD_COOKIE, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R2_B1_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_ANCE, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R2_B2_SIGNATURE = { RTS_FLAG_NONE, 1,
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{ RTS_CMD_NEGATIVE_ANCE, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R2_B3_SIGNATURE = { RTS_FLAG_EOF, 1,
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{ RTS_CMD_ANCE, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_OUT_R2_C1_SIGNATURE = { RTS_FLAG_PING, 1,
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{ 0, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_KEEP_ALIVE_SIGNATURE = { RTS_FLAG_OTHER_CMD, 1,
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{ RTS_CMD_CLIENT_KEEPALIVE, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_PING_TRAFFIC_SENT_NOTIFY_SIGNATURE = { RTS_FLAG_OTHER_CMD, 1,
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{ RTS_CMD_PING_TRAFFIC_SENT_NOTIFY, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_ECHO_SIGNATURE = { RTS_FLAG_ECHO, 0,
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{ 0, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_PING_SIGNATURE = { RTS_FLAG_PING, 0,
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{ 0, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_FLOW_CONTROL_ACK_SIGNATURE = { RTS_FLAG_OTHER_CMD, 1,
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{ RTS_CMD_FLOW_CONTROL_ACK, 0, 0, 0, 0, 0, 0, 0 } };
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RtsPduSignature RTS_PDU_FLOW_CONTROL_ACK_WITH_DESTINATION_SIGNATURE = { RTS_FLAG_OTHER_CMD, 2,
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{ RTS_CMD_DESTINATION, RTS_CMD_FLOW_CONTROL_ACK, 0, 0, 0, 0, 0, 0 } };
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RTS_PDU_SIGNATURE_ENTRY RTS_PDU_SIGNATURE_TABLE[] =
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{
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{ RTS_PDU_CONN_A1, FALSE, &RTS_PDU_CONN_A1_SIGNATURE, "CONN/A1" },
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{ RTS_PDU_CONN_A2, FALSE, &RTS_PDU_CONN_A2_SIGNATURE, "CONN/A2" },
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{ RTS_PDU_CONN_A3, TRUE, &RTS_PDU_CONN_A3_SIGNATURE, "CONN/A3" },
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{ RTS_PDU_CONN_B1, FALSE, &RTS_PDU_CONN_B1_SIGNATURE, "CONN/B1" },
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{ RTS_PDU_CONN_B2, FALSE, &RTS_PDU_CONN_B2_SIGNATURE, "CONN/B2" },
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{ RTS_PDU_CONN_B3, FALSE, &RTS_PDU_CONN_B3_SIGNATURE, "CONN/B3" },
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{ RTS_PDU_CONN_C1, FALSE, &RTS_PDU_CONN_C1_SIGNATURE, "CONN/C1" },
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{ RTS_PDU_CONN_C2, TRUE, &RTS_PDU_CONN_C2_SIGNATURE, "CONN/C2" },
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{ RTS_PDU_IN_R1_A1, FALSE, &RTS_PDU_IN_R1_A1_SIGNATURE, "IN_R1/A1" },
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{ RTS_PDU_IN_R1_A2, FALSE, &RTS_PDU_IN_R1_A2_SIGNATURE, "IN_R1/A2" },
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{ RTS_PDU_IN_R1_A3, FALSE, &RTS_PDU_IN_R1_A3_SIGNATURE, "IN_R1/A3" },
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{ RTS_PDU_IN_R1_A4, TRUE, &RTS_PDU_IN_R1_A4_SIGNATURE, "IN_R1/A4" },
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{ RTS_PDU_IN_R1_A5, TRUE, &RTS_PDU_IN_R1_A5_SIGNATURE, "IN_R1/A5" },
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{ RTS_PDU_IN_R1_A6, FALSE, &RTS_PDU_IN_R1_A6_SIGNATURE, "IN_R1/A6" },
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{ RTS_PDU_IN_R1_B1, FALSE, &RTS_PDU_IN_R1_B1_SIGNATURE, "IN_R1/B1" },
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{ RTS_PDU_IN_R1_B2, FALSE, &RTS_PDU_IN_R1_B2_SIGNATURE, "IN_R1/B2" },
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{ RTS_PDU_IN_R2_A1, FALSE, &RTS_PDU_IN_R2_A1_SIGNATURE, "IN_R2/A1" },
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{ RTS_PDU_IN_R2_A2, FALSE, &RTS_PDU_IN_R2_A2_SIGNATURE, "IN_R2/A2" },
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{ RTS_PDU_IN_R2_A3, FALSE, &RTS_PDU_IN_R2_A3_SIGNATURE, "IN_R2/A3" },
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{ RTS_PDU_IN_R2_A4, TRUE, &RTS_PDU_IN_R2_A4_SIGNATURE, "IN_R2/A4" },
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{ RTS_PDU_IN_R2_A5, FALSE, &RTS_PDU_IN_R2_A5_SIGNATURE, "IN_R2/A5" },
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{ RTS_PDU_OUT_R1_A1, FALSE, &RTS_PDU_OUT_R1_A1_SIGNATURE, "OUT_R1/A1" },
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{ RTS_PDU_OUT_R1_A2, TRUE, &RTS_PDU_OUT_R1_A2_SIGNATURE, "OUT_R1/A2" },
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{ RTS_PDU_OUT_R1_A3, FALSE, &RTS_PDU_OUT_R1_A3_SIGNATURE, "OUT_R1/A3" },
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{ RTS_PDU_OUT_R1_A4, FALSE, &RTS_PDU_OUT_R1_A4_SIGNATURE, "OUT_R1/A4" },
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{ RTS_PDU_OUT_R1_A5, FALSE, &RTS_PDU_OUT_R1_A5_SIGNATURE, "OUT_R1/A5" },
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{ RTS_PDU_OUT_R1_A6, TRUE, &RTS_PDU_OUT_R1_A6_SIGNATURE, "OUT_R1/A6" },
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{ RTS_PDU_OUT_R1_A7, FALSE, &RTS_PDU_OUT_R1_A7_SIGNATURE, "OUT_R1/A7" },
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{ RTS_PDU_OUT_R1_A8, FALSE, &RTS_PDU_OUT_R1_A8_SIGNATURE, "OUT_R1/A8" },
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{ RTS_PDU_OUT_R1_A9, FALSE, &RTS_PDU_OUT_R1_A9_SIGNATURE, "OUT_R1/A9" },
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{ RTS_PDU_OUT_R1_A10, TRUE, &RTS_PDU_OUT_R1_A10_SIGNATURE, "OUT_R1/A10" },
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{ RTS_PDU_OUT_R1_A11, FALSE, &RTS_PDU_OUT_R1_A11_SIGNATURE, "OUT_R1/A11" },
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{ RTS_PDU_OUT_R2_A1, FALSE, &RTS_PDU_OUT_R2_A1_SIGNATURE, "OUT_R2/A1" },
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{ RTS_PDU_OUT_R2_A2, TRUE, &RTS_PDU_OUT_R2_A2_SIGNATURE, "OUT_R2/A2" },
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{ RTS_PDU_OUT_R2_A3, FALSE, &RTS_PDU_OUT_R2_A3_SIGNATURE, "OUT_R2/A3" },
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{ RTS_PDU_OUT_R2_A4, FALSE, &RTS_PDU_OUT_R2_A4_SIGNATURE, "OUT_R2/A4" },
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{ RTS_PDU_OUT_R2_A5, FALSE, &RTS_PDU_OUT_R2_A5_SIGNATURE, "OUT_R2/A5" },
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{ RTS_PDU_OUT_R2_A6, TRUE, &RTS_PDU_OUT_R2_A6_SIGNATURE, "OUT_R2/A6" },
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{ RTS_PDU_OUT_R2_A7, FALSE, &RTS_PDU_OUT_R2_A7_SIGNATURE, "OUT_R2/A7" },
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{ RTS_PDU_OUT_R2_A8, FALSE, &RTS_PDU_OUT_R2_A8_SIGNATURE, "OUT_R2/A8" },
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{ RTS_PDU_OUT_R2_B1, FALSE, &RTS_PDU_OUT_R2_B1_SIGNATURE, "OUT_R2/B1" },
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{ RTS_PDU_OUT_R2_B2, FALSE, &RTS_PDU_OUT_R2_B2_SIGNATURE, "OUT_R2/B2" },
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{ RTS_PDU_OUT_R2_B3, TRUE, &RTS_PDU_OUT_R2_B3_SIGNATURE, "OUT_R2/B3" },
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{ RTS_PDU_OUT_R2_C1, FALSE, &RTS_PDU_OUT_R2_C1_SIGNATURE, "OUT_R2/C1" },
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{ RTS_PDU_KEEP_ALIVE, TRUE, &RTS_PDU_KEEP_ALIVE_SIGNATURE, "Keep-Alive" },
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{ RTS_PDU_PING_TRAFFIC_SENT_NOTIFY, TRUE, &RTS_PDU_PING_TRAFFIC_SENT_NOTIFY_SIGNATURE, "Ping Traffic Sent Notify" },
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{ RTS_PDU_ECHO, TRUE, &RTS_PDU_ECHO_SIGNATURE, "Echo" },
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{ RTS_PDU_PING, TRUE, &RTS_PDU_PING_SIGNATURE, "Ping" },
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{ RTS_PDU_FLOW_CONTROL_ACK, TRUE, &RTS_PDU_FLOW_CONTROL_ACK_SIGNATURE, "FlowControlAck" },
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{ RTS_PDU_FLOW_CONTROL_ACK_WITH_DESTINATION, TRUE, &RTS_PDU_FLOW_CONTROL_ACK_WITH_DESTINATION_SIGNATURE, "FlowControlAckWithDestination" },
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{ 0, 0, NULL }
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};
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BOOL rts_match_pdu_signature(rdpRpc* rpc, RtsPduSignature* signature, rpcconn_rts_hdr_t* rts)
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{
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int i;
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int status;
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BYTE* buffer;
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UINT32 length;
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UINT32 offset;
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UINT32 CommandType;
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UINT32 CommandLength;
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if (rts->Flags != signature->Flags)
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return FALSE;
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if (rts->NumberOfCommands != signature->NumberOfCommands)
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return FALSE;
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buffer = (BYTE*) rts;
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offset = RTS_PDU_HEADER_LENGTH;
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length = rts->frag_length - offset;
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for (i = 0; i < rts->NumberOfCommands; i++)
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{
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CommandType = *((UINT32*) &buffer[offset]); /* CommandType (4 bytes) */
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offset += 4;
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if (CommandType != signature->CommandTypes[i])
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return FALSE;
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status = rts_command_length(rpc, CommandType, &buffer[offset], length);
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if (status < 0)
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return FALSE;
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CommandLength = (UINT32) status;
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offset += CommandLength;
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length = rts->frag_length - offset;
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}
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return TRUE;
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}
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int rts_extract_pdu_signature(rdpRpc* rpc, RtsPduSignature* signature, rpcconn_rts_hdr_t* rts)
|
|
{
|
|
int i;
|
|
int status;
|
|
BYTE* buffer;
|
|
UINT32 length;
|
|
UINT32 offset;
|
|
UINT32 CommandType;
|
|
UINT32 CommandLength;
|
|
|
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signature->Flags = rts->Flags;
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signature->NumberOfCommands = rts->NumberOfCommands;
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|
|
|
buffer = (BYTE*) rts;
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|
offset = RTS_PDU_HEADER_LENGTH;
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|
length = rts->frag_length - offset;
|
|
|
|
for (i = 0; i < rts->NumberOfCommands; i++)
|
|
{
|
|
CommandType = *((UINT32*) &buffer[offset]); /* CommandType (4 bytes) */
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|
offset += 4;
|
|
|
|
signature->CommandTypes[i] = CommandType;
|
|
|
|
status = rts_command_length(rpc, CommandType, &buffer[offset], length);
|
|
if (status < 0)
|
|
return FALSE;
|
|
|
|
CommandLength = (UINT32) status;
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|
offset += CommandLength;
|
|
|
|
length = rts->frag_length - offset;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
UINT32 rts_identify_pdu_signature(rdpRpc* rpc, RtsPduSignature* signature, RTS_PDU_SIGNATURE_ENTRY** entry)
|
|
{
|
|
int i, j;
|
|
RtsPduSignature* pSignature;
|
|
|
|
for (i = 0; RTS_PDU_SIGNATURE_TABLE[i].SignatureId != 0; i++)
|
|
{
|
|
pSignature = RTS_PDU_SIGNATURE_TABLE[i].Signature;
|
|
|
|
if (!RTS_PDU_SIGNATURE_TABLE[i].SignatureClient)
|
|
continue;
|
|
|
|
if (signature->Flags != pSignature->Flags)
|
|
continue;
|
|
|
|
if (signature->NumberOfCommands != pSignature->NumberOfCommands)
|
|
continue;
|
|
|
|
for (j = 0; j < signature->NumberOfCommands; j++)
|
|
{
|
|
if (signature->CommandTypes[j] != pSignature->CommandTypes[j])
|
|
continue;
|
|
}
|
|
|
|
if (entry)
|
|
*entry = &RTS_PDU_SIGNATURE_TABLE[i];
|
|
|
|
return RTS_PDU_SIGNATURE_TABLE[i].SignatureId;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
}
|