0001    // SSLSession.swift
0002    //
0003    // The MIT License (MIT)
0004    //
0005    // Copyright (c) 2015 Zewo
0006    //
0007    // Permission is hereby granted, free of charge, to any person obtaining a copy
0008    // of this software and associated documentation files (the "Software"), to deal
0009    // in the Software without restriction, including without limitation the rights
0010    // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
0011    // copies of the Software, and to permit persons to whom the Software is
0012    // furnished to do so, subject to the following conditions:
0013    //
0014    // The above copyright notice and this permission notice shall be included in all
0015    // copies or substantial portions of the Software.
0016    //
0017    // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0018    // IMPLIED, INCLUDINbG BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0019    // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
0020    // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
0021    // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
0022    // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
0023    // SOFTWARE.
0024    
0025    import COpenSSL
0026    
0027    public class Session
ClientStream.swift:32
    private let ssl: Session
ServerStream.swift:34
	private let ssl: Session
 {
0028    	
0029    	public enum Error
Session.swift:56
            throw Error.Session(description: lastSSLErrorDescription)
Session.swift:110
                throw Error.WantRead(description: lastSSLErrorDescription)
Session.swift:112
                throw Error.WantWrite(description: lastSSLErrorDescription)
Session.swift:114
                throw Error.Session(description: lastSSLErrorDescription)
Session.swift:136
                throw Error.WantRead(description: lastSSLErrorDescription)
Session.swift:138
                throw Error.WantWrite(description: lastSSLErrorDescription)
Session.swift:140
                throw Error.ZeroReturn(description: lastSSLErrorDescription)
Session.swift:142
                throw Error.Session(description: lastSSLErrorDescription)
: ErrorType {
0030    		case Session
Session.swift:56
            throw Error.Session(description: lastSSLErrorDescription)
Session.swift:114
                throw Error.Session(description: lastSSLErrorDescription)
Session.swift:142
                throw Error.Session(description: lastSSLErrorDescription)
(description: String)
0031    		case WantRead
ClientStream.swift:70
            } catch Session.Error.WantRead {
ClientStream.swift:91
            } catch Session.Error.WantRead {
ServerStream.swift:61
            } catch Session.Error.WantRead {}
ServerStream.swift:73
            } catch Session.Error.WantRead {
Session.swift:110
                throw Error.WantRead(description: lastSSLErrorDescription)
Session.swift:136
                throw Error.WantRead(description: lastSSLErrorDescription)
(description: String)
0032    		case WantWrite
Session.swift:112
                throw Error.WantWrite(description: lastSSLErrorDescription)
Session.swift:138
                throw Error.WantWrite(description: lastSSLErrorDescription)
(description: String)
0033    		case ZeroReturn
ClientStream.swift:81
            } catch Session.Error.ZeroReturn {
Session.swift:140
                throw Error.ZeroReturn(description: lastSSLErrorDescription)
(description: String)
0034    	}
0035    	
0036    	public enum State
Session.swift:78
        let state = State(rawValue: stateNumber)
Session.swift:76
	public var state: State {
: Int32 {
0037    		case Connect		= 0x1000
0038    		case Accept			= 0x2000
0039    		case Mask			= 0x0FFF
0040    		case Init			= 0x3000
0041    		case Before			= 0x4000
0042    		case OK				= 0x03
0043    		case Renegotiate	= 0x3004
0044    		case Error			= 0x05
0045            case Unknown
Session.swift:79
		return state ?? .Unknown
        = -1
0046    	}
0047    
0048        var ssl
Session.swift:53
        ssl = SSL_new(context.context)
Session.swift:55
        if ssl == nil {
Session.swift:65
        SSL_set_accept_state(ssl)
Session.swift:69
        SSL_set_connect_state(ssl)
Session.swift:73
        return String.fromCString(SSL_state_string_long(ssl))!
Session.swift:77
		let stateNumber = SSL_state(ssl)
Session.swift:83
		let certificate = SSL_get_peer_certificate(ssl)
Session.swift:97
        SSL_set_bio(ssl, readIO.bio, writeIO.bio)
Session.swift:101
        return SSL_state(ssl) == SSL_ST_OK
Session.swift:105
        let result = SSL_do_handshake(ssl)
Session.swift:108
            switch SSL_get_error(ssl, result) {
Session.swift:150
		SSL_shutdown(ssl)
: UnsafeMutablePointer<SSL>
0049    
0050    	public init(context: Context) throws {
0051    		OpenSSL.initialize()
0052    
0053            ssl = SSL_new(context.context)
0054    
0055            if ssl == nil {
0056                throw Error.Session(description: lastSSLErrorDescription)
0057            }
0058    	}
0059    
0060    	deinit {
0061    		shutdown()
0062    	}
0063    
0064        public func setAcceptState() {
0065            SSL_set_accept_state(ssl)
0066        }
0067    
0068        public func setConnectState() {
0069            SSL_set_connect_state(ssl)
0070        }
0071    
0072        public var stateDescription: String {
0073            return String.fromCString(SSL_state_string_long(ssl))!
0074        }
0075    
0076    	public var state: State {
0077    		let stateNumber = SSL_state(ssl)
0078            let state = State(rawValue: stateNumber)
0079    		return state ?? .Unknown
0080    	}
0081    
0082    	public var peerCertificate: Certificate? {
0083    		let certificate = SSL_get_peer_certificate(ssl)
0084    
0085            guard certificate != nil else {
0086                return nil
0087            }
0088    
0089            defer {
0090                X509_free(certificate)
0091            }
0092    
0093    		return Certificate(certificate: certificate)
0094    	}
0095    
0096    	public func setIO(readIO readIO: IO, writeIO: IO) {
0097            SSL_set_bio(ssl, readIO.bio, writeIO.bio)
0098    	}
0099    
0100        var initializationFinished
ClientStream.swift:88
        while !ssl.initializationFinished {
ClientStream.swift:96
                if ssl.initializationFinished {
ServerStream.swift:58
        while !ssl.initializationFinished {
: Bool {
0101            return SSL_state(ssl) == SSL_ST_OK
0102        }
0103    
0104    	public func handshake
ClientStream.swift:90
                try ssl.handshake()
ServerStream.swift:60
                try ssl.handshake()
() throws {
0105            let result = SSL_do_handshake(ssl)
0106    
0107            if result <= 0 {
0108                switch SSL_get_error(ssl, result) {
0109                case SSL_ERROR_WANT_READ:
0110                    throw Error.WantRead(description: lastSSLErrorDescription)
0111                case SSL_ERROR_WANT_WRITE:
0112                    throw Error.WantWrite(description: lastSSLErrorDescription)
0113                default:
0114                    throw Error.Session(description: lastSSLErrorDescription)
0115                }
0116            }
0117    	}
0118    
0119    	public func write(data: Data) {
0120            data.withUnsafeBufferPointer {
0121                SSL_write(ssl, $0.baseAddress, Int32($0.count))
0122            }
0123    	}
0124    
0125    	public func read() throws -> Data {
0126    		var data = Data.bufferWithSize(DEFAULT_BUFFER_SIZE)
0127    
0128            let result = data.withUnsafeMutableBufferPointer {
0129                SSL_read(ssl, $0.baseAddress, Int32($0.count))
0130            }
0131    
0132            if result <= 0 {
0133                let error = SSL_get_error(ssl, result)
0134                switch error {
0135                case SSL_ERROR_WANT_READ:
0136                    throw Error.WantRead(description: lastSSLErrorDescription)
0137                case SSL_ERROR_WANT_WRITE:
0138                    throw Error.WantWrite(description: lastSSLErrorDescription)
0139                case SSL_ERROR_ZERO_RETURN:
0140                    throw Error.ZeroReturn(description: lastSSLErrorDescription)
0141                default:
0142                    throw Error.Session(description: lastSSLErrorDescription)
0143                }
0144            }
0145    
0146            return data.prefix(Int(result))
0147    	}
0148    
0149    	public func shutdown
Session.swift:61
		shutdown()
() {
0150    		SSL_shutdown(ssl)
0151    	}
0152    }
0153