Imported Upstream version 3.10.2+dfsg

2017-05-11 14:01:41 +02:00
commit 1893aafd38
715 changed files with 248801 additions and 0 deletions
--- a/wrapper/CSharp/wolfSSL-TLS-Server/wolfSSL-TLS-Server.cs
+++ b/wrapper/CSharp/wolfSSL-TLS-Server/wolfSSL-TLS-Server.cs
@@ -0,0 +1,172 @@
+/* wolfSSL-TLS-Server.cs
+ *
+ * Copyright (C) 2006-2016 wolfSSL Inc.
+ *
+ * This file is part of wolfSSL.
+ *
+ * wolfSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfSSL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
+ */
+
+using System;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.IO;
+using System.Net;
+using System.Net.Sockets;
+using wolfSSL.CSharp;
+
+public class wolfSSL_TLS_CSHarp
+{
+    /// <summary>
+    /// Example of a logging function
+    /// </summary>
+    /// <param name="lvl">level of log</param>
+    /// <param name="msg">message to log</param>
+    public static void standard_log(int lvl, StringBuilder msg)
+    {
+        Console.WriteLine(msg);
+    }
+
+
+    private static void clean(IntPtr ssl, IntPtr ctx)
+    {
+        wolfssl.free(ssl);
+        wolfssl.CTX_free(ctx);
+        wolfssl.Cleanup();
+    }
+
+
+    public static void Main(string[] args)
+    {
+        IntPtr ctx;
+        IntPtr ssl;
+        Socket fd;
+
+        /* These paths should be changed for use */
+        string fileCert = @"server-cert.pem";
+        string fileKey = @"server-key.pem";
+        StringBuilder dhparam = new StringBuilder("dh2048.pem");
+
+        StringBuilder buff = new StringBuilder(1024);
+        StringBuilder reply = new StringBuilder("Hello, this is the wolfSSL C# wrapper");
+
+        //example of function used for setting logging
+        wolfssl.SetLogging(standard_log);
+
+        wolfssl.Init();
+
+
+        Console.WriteLine("Calling ctx Init from wolfSSL");
+        ctx = wolfssl.CTX_new(wolfssl.usev23_server());
+        if (ctx == IntPtr.Zero)
+        {
+            Console.WriteLine("Error in creating ctx structure");
+            return;
+        }
+        Console.WriteLine("Finished init of ctx .... now load in cert and key");
+
+        if (!File.Exists(fileCert) || !File.Exists(fileKey))
+        {
+            Console.WriteLine("Could not find cert or key file");
+            wolfssl.CTX_free(ctx);
+            return;
+        }
+
+        if (wolfssl.CTX_use_certificate_file(ctx, fileCert, wolfssl.SSL_FILETYPE_PEM) != wolfssl.SUCCESS)
+        {
+            Console.WriteLine("Error in setting cert file");
+            wolfssl.CTX_free(ctx);
+            return;
+        }
+
+        if (wolfssl.CTX_use_PrivateKey_file(ctx, fileKey, wolfssl.SSL_FILETYPE_PEM) != wolfssl.SUCCESS)
+        {
+            Console.WriteLine("Error in setting key file");
+            wolfssl.CTX_free(ctx);
+            return;
+        }
+
+
+        StringBuilder ciphers = new StringBuilder(new String(' ', 4096));
+        wolfssl.get_ciphers(ciphers, 4096);
+        Console.WriteLine("Ciphers : " + ciphers.ToString());
+
+        short minDhKey = 128;
+        wolfssl.CTX_SetMinDhKey_Sz(ctx, minDhKey);
+
+        /* set up TCP socket */
+        IPAddress ip = IPAddress.Parse("0.0.0.0"); //bind to any
+        TcpListener tcp = new TcpListener(ip, 11111);
+        tcp.Start();
+
+        Console.WriteLine("Started TCP and waiting for a connection");
+        fd = tcp.AcceptSocket();
+        ssl = wolfssl.new_ssl(ctx);
+        if (ssl == IntPtr.Zero)
+        {
+            Console.WriteLine("Error in creating ssl object");
+            wolfssl.CTX_free(ctx);
+            return;
+        }
+
+        Console.WriteLine("Connection made wolfSSL_accept ");
+        if (wolfssl.set_fd(ssl, fd) != wolfssl.SUCCESS)
+        {
+            /* get and print out the error */
+            Console.Write(wolfssl.get_error(ssl));
+            tcp.Stop();
+            clean(ssl, ctx);
+            return;
+        }
+
+        wolfssl.SetTmpDH_file(ssl, dhparam, wolfssl.SSL_FILETYPE_PEM);
+
+        if (wolfssl.accept(ssl) != wolfssl.SUCCESS)
+        {
+            /* get and print out the error */
+            Console.Write(wolfssl.get_error(ssl));
+            tcp.Stop();
+            clean(ssl, ctx);
+            return;
+        }
+
+        /* print out results of TLS/SSL accept */
+        Console.WriteLine("SSL version is " + wolfssl.get_version(ssl));
+        Console.WriteLine("SSL cipher suite is " + wolfssl.get_current_cipher(ssl));
+
+        /* read and print out the message then reply */
+        if (wolfssl.read(ssl, buff, 1023) < 0)
+        {
+            Console.WriteLine("Error in read");
+            tcp.Stop();
+            clean(ssl, ctx);
+            return;
+        }
+        Console.WriteLine(buff);
+
+        if (wolfssl.write(ssl, reply, reply.Length) != reply.Length)
+        {
+            Console.WriteLine("Error in write");
+            tcp.Stop();
+            clean(ssl, ctx);
+            return;
+        }
+
+        wolfssl.shutdown(ssl);
+        fd.Close();
+        tcp.Stop();
+        clean(ssl, ctx);
+    }
+}