1 #region Copyright notice and license 2 3 // Copyright 2015 gRPC authors. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 17 #endregion 18 19 using System; 20 using System.Collections.Concurrent; 21 using System.Diagnostics; 22 using System.IO; 23 using System.Reflection; 24 using System.Runtime.InteropServices; 25 using System.Threading; 26 27 namespace Grpc.Core.Internal 28 { 29 /// <summary> 30 /// Overrides the content of default SSL roots. 31 /// </summary> 32 internal static class DefaultSslRootsOverride 33 { 34 const string RootsPemResourceName = "Grpc.Core.roots.pem"; 35 static object staticLock = new object(); 36 37 /// <summary> 38 /// Overrides C core's default roots with roots.pem loaded as embedded resource. 39 /// </summary> 40 public static void Override(NativeMethods native) 41 { 42 lock (staticLock) 43 { 44 var stream = typeof(DefaultSslRootsOverride).GetTypeInfo().Assembly.GetManifestResourceStream(RootsPemResourceName); 45 if (stream == null) 46 { 47 throw new IOException(string.Format("Error loading the embedded resource \"{0}\"", RootsPemResourceName)); 48 } 49 using (var streamReader = new StreamReader(stream)) 50 { 51 var pemRootCerts = streamReader.ReadToEnd(); 52 native.grpcsharp_override_default_ssl_roots(pemRootCerts); 53 } 54 } 55 } 56 } 57 } 58
