67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Client
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* RDP Protocol Security Negotiation
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*
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* Copyright 2011 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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#ifndef __NEGO_H
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#define __NEGO_H
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#include "stream.h"
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#include "network.h"
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enum _NEGO_STATE
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{
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NEGO_STATE_INITIAL,
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NEGO_STATE_NLA, /* Network Level Authentication (TLS implicit) */
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NEGO_STATE_TLS, /* TLS Encryption without NLA */
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NEGO_STATE_RDP, /* Standard Legacy RDP Encryption */
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NEGO_STATE_FAIL, /* Negotiation failure */
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NEGO_STATE_FINAL
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};
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typedef enum _NEGO_STATE NEGO_STATE;
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struct _NEGO
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{
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int port;
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char *hostname;
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NEGO_STATE state;
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int tcp_connected;
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struct rdp_network * net;
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uint32 selected_protocol;
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uint32 requested_protocols;
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uint8 enabled_protocols[3];
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};
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typedef struct _NEGO NEGO;
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int nego_connect(NEGO *nego);
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void nego_attempt_nla(NEGO *nego);
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void nego_attempt_tls(NEGO *nego);
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void nego_attempt_rdp(NEGO *nego);
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void nego_send(NEGO *nego);
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void nego_recv(NEGO *nego, STREAM s);
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void nego_process_negotiation_response(NEGO *nego, STREAM s);
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void nego_process_negotiation_failure(NEGO *nego, STREAM s);
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NEGO* nego_new(struct rdp_network * net);
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void nego_init(NEGO *nego);
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void nego_free(NEGO *nego);
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#endif /* __NEGO_H */
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