76 lines
2.6 KiB
Objective-C
76 lines
2.6 KiB
Objective-C
//
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// ControlPacket.h
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// TunnelKit
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//
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// Created by Davide De Rosa on 9/14/18.
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// Copyright (c) 2019 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
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// This file is part of TunnelKit.
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//
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// TunnelKit is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// TunnelKit is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with TunnelKit. If not, see <http://www.gnu.org/licenses/>.
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//
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#import <Foundation/Foundation.h>
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#import "PacketMacros.h"
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NS_ASSUME_NONNULL_BEGIN
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@protocol Encrypter;
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@interface ControlPacket : NSObject
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- (instancetype)initWithCode:(PacketCode)code
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key:(uint8_t)key
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sessionId:(NSData *)sessionId
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packetId:(uint32_t)packetId
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payload:(nullable NSData *)payload;
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- (instancetype)initWithKey:(uint8_t)key
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sessionId:(NSData *)sessionId
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ackIds:(NSArray<NSNumber *> *)ackIds
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ackRemoteSessionId:(NSData *)ackRemoteSessionId;
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@property (nonatomic, assign, readonly) PacketCode code;
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@property (nonatomic, readonly) BOOL isAck;
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@property (nonatomic, assign, readonly) uint8_t key;
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@property (nonatomic, strong, readonly) NSData *sessionId;
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@property (nonatomic, strong) NSArray<NSNumber *> *_Nullable ackIds; // uint32_t
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@property (nonatomic, strong) NSData *_Nullable ackRemoteSessionId;
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@property (nonatomic, assign, readonly) uint32_t packetId;
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@property (nonatomic, strong, readonly) NSData *_Nullable payload;
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@property (nonatomic, strong) NSDate *_Nullable sentDate;
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//- (NSInteger)capacity;
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//- (NSInteger)serializeTo:(uint8_t *)to;
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- (NSData *)serialized;
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@end
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@interface ControlPacket (Authentication)
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- (nullable NSData *)serializedWithAuthenticator:(id<Encrypter>)auth replayId:(uint32_t)replayId timestamp:(uint32_t)timestamp error:(NSError * _Nullable __autoreleasing *)error;
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@end
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@interface ControlPacket (Encryption)
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- (nullable NSData *)serializedWithEncrypter:(id<Encrypter>)encrypter replayId:(uint32_t)replayId timestamp:(uint32_t)timestamp adLength:(NSInteger)adLength error:(NSError * _Nullable __autoreleasing *)error;
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@end
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NS_ASSUME_NONNULL_END
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