50064fc3d0
Minimize target dependency on OpenSSL (easier to drop later). Outside of OpenVPN tunnel extension, OpenSSL is only used to decrypt encrypted private keys in CryptoContainer (found in TunnelKitOpenVPNCore, therefore "temporarily" dependent on CTunnelKitOpenVPNAppExtension for TLSBox/CryptoBox).
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) 2021 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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