140 lines
4.2 KiB
C#
140 lines
4.2 KiB
C#
//
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// MonoBtlsX509LookupMono.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) 2016 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.Runtime.InteropServices;
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using System.Runtime.CompilerServices;
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namespace Mono.Btls
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{
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abstract class MonoBtlsX509LookupMono : MonoBtlsObject
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{
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internal class BoringX509LookupMonoHandle : MonoBtlsHandle
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{
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public BoringX509LookupMonoHandle (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_x509_lookup_mono_free (handle);
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return true;
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}
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}
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new internal BoringX509LookupMonoHandle Handle {
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get { return (BoringX509LookupMonoHandle)base.Handle; }
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}
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[DllImport (BTLS_DYLIB)]
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extern static IntPtr mono_btls_x509_lookup_mono_new ();
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[DllImport (BTLS_DYLIB)]
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extern static void mono_btls_x509_lookup_mono_init (
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IntPtr handle, IntPtr instance, IntPtr by_subject_func);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_x509_lookup_mono_free (IntPtr handle);
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delegate int BySubjectFunc (IntPtr instance, IntPtr name, out IntPtr x509_ptr);
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GCHandle gch;
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IntPtr instance;
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BySubjectFunc bySubjectFunc;
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IntPtr bySubjectFuncPtr;
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MonoBtlsX509Lookup lookup;
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internal MonoBtlsX509LookupMono ()
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: base (new BoringX509LookupMonoHandle (mono_btls_x509_lookup_mono_new ()))
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{
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gch = GCHandle.Alloc (this);
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instance = GCHandle.ToIntPtr (gch);
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bySubjectFunc = OnGetBySubject;
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bySubjectFuncPtr = Marshal.GetFunctionPointerForDelegate (bySubjectFunc);
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mono_btls_x509_lookup_mono_init (Handle.DangerousGetHandle (), instance, bySubjectFuncPtr);
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}
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internal void Install (MonoBtlsX509Lookup lookup)
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{
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if (this.lookup != null)
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throw new InvalidOperationException ();
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this.lookup = lookup;
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}
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protected void AddCertificate (MonoBtlsX509 certificate)
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{
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lookup.AddCertificate (certificate);
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}
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protected abstract MonoBtlsX509 OnGetBySubject (MonoBtlsX509Name name);
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[Mono.Util.MonoPInvokeCallback (typeof (BySubjectFunc))]
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static int OnGetBySubject (IntPtr instance, IntPtr name_ptr, out IntPtr x509_ptr)
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{
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try {
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MonoBtlsX509LookupMono obj;
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MonoBtlsX509Name.BoringX509NameHandle name_handle = null;
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try {
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obj = (MonoBtlsX509LookupMono)GCHandle.FromIntPtr (instance).Target;
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name_handle = new MonoBtlsX509Name.BoringX509NameHandle (name_ptr, false);
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MonoBtlsX509Name name_obj = new MonoBtlsX509Name (name_handle);
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var x509 = obj.OnGetBySubject (name_obj);
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if (x509 != null) {
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x509_ptr = x509.Handle.StealHandle ();
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return 1;
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} else {
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x509_ptr = IntPtr.Zero;
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return 0;
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}
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} finally {
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if (name_handle != null)
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name_handle.Dispose ();
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}
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} catch (Exception ex) {
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Console.WriteLine ("LOOKUP METHOD - GET BY SUBJECT EX: {0}", ex);
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x509_ptr = IntPtr.Zero;
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return 0;
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}
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}
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protected override void Close ()
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{
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try {
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if (gch.IsAllocated)
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gch.Free ();
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} finally {
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instance = IntPtr.Zero;
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bySubjectFunc = null;
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bySubjectFuncPtr = IntPtr.Zero;
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base.Close ();
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}
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}
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}
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}
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#endif
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