version 3.0

2015-08-31 14:01:44 +02:00 · 2015-08-31 14:01:44 +02:00 · d837490606
commit d837490606
209 changed files with 19662 additions and 0 deletions
--- a/ssh/ssh_algorithm_negotiation.h
+++ b/ssh/ssh_algorithm_negotiation.h
@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2011-2012 Juli Mallett. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef	SSH_SSH_ALGORITHM_NEGOTIATION_H
+#define	SSH_SSH_ALGORITHM_NEGOTIATION_H
+
+#include <list>
+
+////////////////////////////////////////////////////////////////////////////////
+//                                                                            //
+// File:           ssh_algorithm_negotiation.h                                //
+// Description:    SSH algorithm selection at session start                   //
+// Project:        WANProxy XTech                                             //
+// Adapted by:     Andreu Vidal Bramfeld-Software                             //
+// Last modified:  2015-04-01                                                 //
+//                                                                            //
+////////////////////////////////////////////////////////////////////////////////
+
+class Buffer;
+class Filter;
+
+namespace SSH {
+	class Compression;
+	class Encryption;
+	class KeyExchange;
+	class Language;
+	class MAC;
+	class ServerHostKey;
+	struct Session;
+
+	class AlgorithmNegotiation {
+		struct Algorithms {
+			std::list<KeyExchange *> key_exchange_list_;
+			std::list<ServerHostKey *> server_host_key_list_;
+			std::list<Encryption *> encryption_client_to_server_list_;
+			std::list<Encryption *> encryption_server_to_client_list_;
+			std::list<MAC *> mac_client_to_server_list_;
+			std::list<MAC *> mac_server_to_client_list_;
+			std::list<Compression *> compression_client_to_server_list_;
+			std::list<Compression *> compression_server_to_client_list_;
+			std::list<Language *> language_client_to_server_list_;
+			std::list<Language *> language_server_to_client_list_;
+
+			Algorithms(void)
+			: key_exchange_list_(),
+			  server_host_key_list_(),
+			  encryption_client_to_server_list_(),
+			  encryption_server_to_client_list_(),
+			  mac_client_to_server_list_(),
+			  mac_server_to_client_list_(),
+			  compression_client_to_server_list_(),
+			  compression_server_to_client_list_(),
+			  language_client_to_server_list_(),
+			  language_server_to_client_list_()
+			{ }
+		};
+
+		LogHandle log_;
+		Session *session_;
+		Algorithms algorithms_;
+	public:
+		AlgorithmNegotiation(Session *session)
+		: log_("/ssh/algorithm/negotiation"),
+		  session_(session),
+		  algorithms_()
+		{ }
+
+		/* XXX Add a variant that takes only server_host_key_list and fills in suitable defaults.  */
+
+		~AlgorithmNegotiation()
+		{ }
+
+		void add_algorithm(KeyExchange *key_exchange)
+		{
+			algorithms_.key_exchange_list_.push_back(key_exchange);
+		}
+
+		void add_algorithm(ServerHostKey *server_host_key)
+		{
+			algorithms_.server_host_key_list_.push_back(server_host_key);
+		}
+
+		void add_algorithm(Encryption *encryption)
+		{
+			algorithms_.encryption_client_to_server_list_.push_back(encryption);
+			algorithms_.encryption_server_to_client_list_.push_back(encryption);
+		}
+
+		void add_algorithm(MAC *mac)
+		{
+			algorithms_.mac_client_to_server_list_.push_back(mac);
+			algorithms_.mac_server_to_client_list_.push_back(mac);
+		}
+
+		void add_algorithm(Compression *compression)
+		{
+			algorithms_.compression_client_to_server_list_.push_back(compression);
+			algorithms_.compression_server_to_client_list_.push_back(compression);
+		}
+
+		void add_algorithm(Language *language)
+		{
+			algorithms_.language_client_to_server_list_.push_back(language);
+			algorithms_.language_server_to_client_list_.push_back(language);
+		}
+
+		void add_algorithms(void);
+
+		bool input(Filter *, Buffer *);
+		bool init(Buffer *);
+
+	private:
+		bool choose_algorithms(Buffer *);
+	};
+}
+
+#endif /* !SSH_SSH_ALGORITHM_NEGOTIATION_H */