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Imported Upstream version 4.8.0.309
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418
mcs/class/System/Mono.Btls/MonoBtlsSsl.cs
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418
mcs/class/System/Mono.Btls/MonoBtlsSsl.cs
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//
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// MonoBtlsSsl.cs
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//
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// Author:
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// Martin Baulig <martin.baulig@xamarin.com>
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//
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// Copyright (c) 2015 Xamarin Inc. (http://www.xamarin.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#if SECURITY_DEP && MONO_FEATURE_BTLS
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using System;
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using System.IO;
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using System.Text;
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using System.Runtime.InteropServices;
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using System.Runtime.CompilerServices;
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#if MONOTOUCH
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using MonoTouch;
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#endif
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namespace Mono.Btls
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{
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delegate int MonoBtlsVerifyCallback (MonoBtlsX509StoreCtx ctx);
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delegate int MonoBtlsSelectCallback ();
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class MonoBtlsSsl : MonoBtlsObject
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{
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internal class BoringSslHandle : MonoBtlsHandle
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{
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public BoringSslHandle (IntPtr handle)
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: base (handle, true)
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{
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}
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protected override bool ReleaseHandle ()
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{
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mono_btls_ssl_destroy (handle);
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return true;
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}
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}
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[DllImport (BTLS_DYLIB)]
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extern static void mono_btls_ssl_destroy (IntPtr handle);
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[DllImport (BTLS_DYLIB)]
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extern static IntPtr mono_btls_ssl_new (IntPtr handle);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_use_certificate (IntPtr handle, IntPtr x509);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_use_private_key (IntPtr handle, IntPtr key);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_add_chain_certificate (IntPtr handle, IntPtr x509);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_accept (IntPtr handle);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_connect (IntPtr handle);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_handshake (IntPtr handle);
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[DllImport (BTLS_DYLIB)]
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extern static void mono_btls_ssl_close (IntPtr handle);
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[DllImport (BTLS_DYLIB)]
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extern static void mono_btls_ssl_set_bio (IntPtr handle, IntPtr bio);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_read (IntPtr handle, IntPtr data, int len);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_write (IntPtr handle, IntPtr data, int len);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_get_error (IntPtr handle, int ret_code);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_get_version (IntPtr handle);
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[DllImport (BTLS_DYLIB)]
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extern static void mono_btls_ssl_set_min_version (IntPtr handle, int version);
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[DllImport (BTLS_DYLIB)]
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extern static void mono_btls_ssl_set_max_version (IntPtr handle, int version);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_get_cipher (IntPtr handle);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_get_ciphers (IntPtr handle, out IntPtr data);
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[DllImport (BTLS_DYLIB)]
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extern static IntPtr mono_btls_ssl_get_peer_certificate (IntPtr handle);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_set_cipher_list (IntPtr handle, IntPtr str);
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[DllImport (BTLS_DYLIB)]
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extern static void mono_btls_ssl_print_errors_cb (IntPtr func, IntPtr ctx);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_set_verify_param (IntPtr handle, IntPtr param);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_ssl_set_server_name (IntPtr handle, IntPtr name);
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static BoringSslHandle Create_internal (MonoBtlsSslCtx ctx)
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{
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var handle = mono_btls_ssl_new (ctx.Handle.DangerousGetHandle ());
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if (handle == IntPtr.Zero)
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throw new MonoBtlsException ();
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return new BoringSslHandle (handle);
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}
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PrintErrorsCallbackFunc printErrorsFunc;
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IntPtr printErrorsFuncPtr;
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public MonoBtlsSsl (MonoBtlsSslCtx ctx)
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: base (Create_internal (ctx))
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{
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printErrorsFunc = PrintErrorsCallback;
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printErrorsFuncPtr = Marshal.GetFunctionPointerForDelegate (printErrorsFunc);
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}
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new internal BoringSslHandle Handle {
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get { return (BoringSslHandle)base.Handle; }
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}
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public void SetBio (MonoBtlsBio bio)
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{
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CheckThrow ();
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mono_btls_ssl_set_bio (
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Handle.DangerousGetHandle (),
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bio.Handle.DangerousGetHandle ());
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}
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Exception ThrowError ([CallerMemberName] string callerName = null)
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{
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string errors;
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try {
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if (callerName == null)
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callerName = GetType ().Name;
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errors = GetErrors ();
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} catch {
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errors = null;
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}
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if (errors != null) {
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Console.Error.WriteLine ("ERROR: {0} failed: {1}", callerName, errors);
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throw new MonoBtlsException ("{0} failed: {1}.", callerName, errors);
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} else {
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Console.Error.WriteLine ("ERROR: {0} failed.", callerName);
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throw new MonoBtlsException ("{0} failed.", callerName);
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}
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}
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MonoBtlsSslError GetError (int ret_code)
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{
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CheckThrow ();
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var error = mono_btls_ssl_get_error (
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Handle.DangerousGetHandle (), ret_code);
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return (MonoBtlsSslError)error;
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}
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public void SetCertificate (MonoBtlsX509 x509)
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{
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CheckThrow ();
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var ret = mono_btls_ssl_use_certificate (
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Handle.DangerousGetHandle (),
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x509.Handle.DangerousGetHandle ());
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if (ret <= 0)
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throw ThrowError ();
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}
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public void SetPrivateKey (MonoBtlsKey key)
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{
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CheckThrow ();
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var ret = mono_btls_ssl_use_private_key (
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Handle.DangerousGetHandle (),
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key.Handle.DangerousGetHandle ());
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if (ret <= 0)
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throw ThrowError ();
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}
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public void AddIntermediateCertificate (MonoBtlsX509 x509)
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{
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CheckThrow ();
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var ret = mono_btls_ssl_add_chain_certificate (
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Handle.DangerousGetHandle (),
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x509.Handle.DangerousGetHandle ());
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if (ret <= 0)
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throw ThrowError ();
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}
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public MonoBtlsSslError Accept ()
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{
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CheckThrow ();
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var ret = mono_btls_ssl_accept (Handle.DangerousGetHandle ());
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var error = GetError (ret);
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return error;
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}
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public MonoBtlsSslError Connect ()
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{
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CheckThrow ();
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var ret = mono_btls_ssl_connect (Handle.DangerousGetHandle ());
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var error = GetError (ret);
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return error;
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}
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public MonoBtlsSslError Handshake ()
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{
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CheckThrow ();
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var ret = mono_btls_ssl_handshake (Handle.DangerousGetHandle ());
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var error = GetError (ret);
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return error;
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}
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delegate int PrintErrorsCallbackFunc (IntPtr str, IntPtr len, IntPtr ctx);
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#if MONOTOUCH
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[MonoPInvokeCallback (typeof (PrintErrorsCallbackFunc))]
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#endif
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static int PrintErrorsCallback (IntPtr str, IntPtr len, IntPtr ctx)
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{
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var sb = (StringBuilder)GCHandle.FromIntPtr (ctx).Target;
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try {
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var text = Marshal.PtrToStringAnsi (str, (int)len);
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sb.Append (text);
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return 1;
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} catch {
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return 0;
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}
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}
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public string GetErrors ()
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{
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var text = new StringBuilder ();
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var handle = GCHandle.Alloc (text);
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try {
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mono_btls_ssl_print_errors_cb (printErrorsFuncPtr, GCHandle.ToIntPtr (handle));
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return text.ToString ();
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} finally {
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if (handle.IsAllocated)
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handle.Free ();
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}
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}
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public void PrintErrors ()
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{
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var errors = GetErrors ();
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if (string.IsNullOrEmpty (errors))
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return;
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Console.Error.WriteLine (errors);
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}
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public MonoBtlsSslError Read (IntPtr data, ref int dataSize)
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{
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CheckThrow ();
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var ret = mono_btls_ssl_read (
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Handle.DangerousGetHandle (), data, dataSize);
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if (ret >= 0) {
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dataSize = ret;
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return MonoBtlsSslError.None;
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}
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var error = mono_btls_ssl_get_error (
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Handle.DangerousGetHandle (), ret);
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dataSize = 0;
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return (MonoBtlsSslError)error;
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}
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public MonoBtlsSslError Write (IntPtr data, ref int dataSize)
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{
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CheckThrow ();
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var ret = mono_btls_ssl_write (
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Handle.DangerousGetHandle (), data, dataSize);
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if (ret >= 0) {
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dataSize = ret;
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return MonoBtlsSslError.None;
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}
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var error = mono_btls_ssl_get_error (
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Handle.DangerousGetHandle (), ret);
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dataSize = 0;
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return (MonoBtlsSslError)error;
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}
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public int GetVersion ()
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{
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CheckThrow ();
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return mono_btls_ssl_get_version (Handle.DangerousGetHandle ());
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}
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public void SetMinVersion (int version)
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{
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CheckThrow ();
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mono_btls_ssl_set_min_version (Handle.DangerousGetHandle (), version);
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}
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public void SetMaxVersion (int version)
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{
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CheckThrow ();
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mono_btls_ssl_set_max_version (Handle.DangerousGetHandle (), version);
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}
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public int GetCipher ()
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{
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CheckThrow ();
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var cipher = mono_btls_ssl_get_cipher (Handle.DangerousGetHandle ());
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CheckError (cipher > 0);
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return cipher;
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}
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public short[] GetCiphers ()
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{
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CheckThrow ();
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IntPtr data;
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var count = mono_btls_ssl_get_ciphers (
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Handle.DangerousGetHandle (), out data);
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CheckError (count > 0);
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try {
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short[] ciphers = new short[count];
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Marshal.Copy (data, ciphers, 0, count);
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return ciphers;
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} finally {
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FreeDataPtr (data);
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}
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}
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public void SetCipherList (string str)
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{
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CheckThrow ();
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IntPtr strPtr = IntPtr.Zero;
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try {
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strPtr = Marshal.StringToHGlobalAnsi (str);
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var ret = mono_btls_ssl_set_cipher_list (
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Handle.DangerousGetHandle (), strPtr);
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CheckError (ret);
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} finally {
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if (strPtr != IntPtr.Zero)
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Marshal.FreeHGlobal (strPtr);
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}
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}
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public MonoBtlsX509 GetPeerCertificate ()
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{
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CheckThrow ();
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var x509 = mono_btls_ssl_get_peer_certificate (
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Handle.DangerousGetHandle ());
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if (x509 == IntPtr.Zero)
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return null;
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return new MonoBtlsX509 (new MonoBtlsX509.BoringX509Handle (x509));
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}
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public void SetVerifyParam (MonoBtlsX509VerifyParam param)
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{
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CheckThrow ();
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var ret = mono_btls_ssl_set_verify_param (
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Handle.DangerousGetHandle (),
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param.Handle.DangerousGetHandle ());
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CheckError (ret);
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}
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public void SetServerName (string name)
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{
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CheckThrow ();
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IntPtr namePtr = IntPtr.Zero;
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try {
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namePtr = Marshal.StringToHGlobalAnsi (name);
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var ret = mono_btls_ssl_set_server_name (
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Handle.DangerousGetHandle (), namePtr);
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CheckError (ret);
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} finally {
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if (namePtr != IntPtr.Zero)
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Marshal.FreeHGlobal (namePtr);
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}
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}
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protected override void Close ()
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{
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mono_btls_ssl_close (Handle.DangerousGetHandle ());
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}
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}
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}
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#endif
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