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/*
* anytun
*
* The secure anycast tunneling protocol (satp) defines a protocol used
* for communication between any combination of unicast and anycast
* tunnel endpoints. It has less protocol overhead than IPSec in Tunnel
* mode and allows tunneling of every ETHER TYPE protocol (e.g.
* ethernet, ip, arp ...). satp directly includes cryptography and
* message authentication based on the methodes used by SRTP. It is
* intended to deliver a generic, scaleable and secure solution for
* tunneling and relaying of packets of any protocol.
*
*
* Copyright (C) 2007-2008 Othmar Gsenger, Erwin Nindl,
* Christian Pointner <satp@wirdorange.org>
*
* This file is part of Anytun.
*
* Anytun 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 3 of the License, or
* any later version.
*
* Anytun 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 anytun. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _OPTIONS_H_
#define _OPTIONS_H_
#include "datatypes.h"
#include "buffer.h"
#include "threadUtils.hpp"
#include <list>
class syntax_error : public std::runtime_error
{
public:
syntax_error(std::string t, int32_t p) : runtime_error(t), pos(p) {};
int32_t pos;
};
std::ostream& operator<<(std::ostream& stream, syntax_error const& error);
class OptionHost
{
public:
OptionHost() : addr(""), port("") {};
OptionHost(std::string addrPort) { init(addrPort); };
OptionHost(std::string a, std::string p) : addr(a), port(p) {};
void init(std::string addrPort);
std::string addr;
std::string port;
};
typedef std::list<OptionHost> HostList;
std::istream& operator>>(std::istream& stream, OptionHost& host);
class OptionNetwork
{
public:
OptionNetwork() : net_addr(""), prefix_length(0) {};
OptionNetwork(std::string network) { init(network); };
OptionNetwork(std::string n, u_int16_t p) : net_addr(n), prefix_length(p) {};
void init(std::string network);
std::string net_addr;
u_int16_t prefix_length;
};
typedef std::list<OptionNetwork> NetworkList;
std::istream& operator>>(std::istream& stream, OptionNetwork& network);
typedef std::list<std::string> StringList;
typedef enum { ROLE_LEFT, ROLE_RIGHT } role_t;
std::ostream& operator<<(std::ostream& stream, role_t const& role);
class Options
{
public:
static Options& instance();
bool parse(int argc, char* argv[]);
void parse_post();
void printUsage();
void printOptions();
std::string getProgname();
Options& setProgname(std::string p);
bool getDaemonize();
Options& setDaemonize(bool d);
std::string getUsername();
Options& setUsername(std::string u);
std::string getGroupname();
Options& setGroupname(std::string g);
std::string getChrootDir();
Options& setChrootDir(std::string c);
std::string getPidFile();
Options& setPidFile(std::string p);
StringList getLogTargets();
std::string getFileName();
Options& setFileName(std::string f);
std::string getBindToAddr();
Options& setBindToAddr(std::string b);
std::string getBindToPort();
Options& setBindToPort(std::string b);
ResolvAddrType getResolvAddrType();
Options& setResolvAddrType(ResolvAddrType r);
std::string getLocalAddr();
Options& setLocalAddr(std::string l);
std::string getLocalPort();
Options& setLocalPort(std::string l);
std::string getRemoteAddr();
Options& setRemoteAddr(std::string r);
std::string getRemotePort();
Options& setRemotePort(std::string r);
std::string getLocalSyncAddr();
Options& setLocalSyncAddr(std::string l);
std::string getLocalSyncPort();
Options& setLocalSyncPort(std::string l);
HostList getRemoteSyncHosts();
std::string getDevName();
Options& setDevName(std::string d);
std::string getDevType();
Options& setDevType(std::string d);
OptionNetwork getIfconfigParam();
Options& setIfconfigParam(OptionNetwork i);
std::string getPostUpScript();
Options& setPostUpScript(std::string p);
NetworkList getRoutes();
sender_id_t getSenderId();
Options& setSenderId(sender_id_t s);
mux_t getMux();
Options& setMux(mux_t m);
window_size_t getSeqWindowSize();
Options& setSeqWindowSize(window_size_t s);
std::string getCipher();
Options& setCipher(std::string c);
std::string getAuthAlgo();
Options& setAuthAlgo(std::string a);
u_int32_t getAuthTagLength();
Options& setAuthTagLength(u_int32_t a);
std::string getKdPrf();
Options& setKdPrf(std::string k);
role_t getRole();
Options& setRole(role_t r);
std::string getPassphrase();
Options& setPassphrase(std::string p);
Options& setKey(std::string k);
Buffer getKey();
Options& setSalt(std::string s);
Buffer getSalt();
private:
Options();
~Options();
Options(const Options &l);
void operator=(const Options &l);
static Options* inst;
static ::Mutex instMutex;
class instanceCleaner {
public: ~instanceCleaner() {
if(Options::inst != 0)
delete Options::inst;
}
};
friend class instanceCleaner;
::SharedMutex mutex;
bool cluster_opts;
bool connection_opts;
std::string progname_;
bool daemonize_;
std::string username_;
std::string groupname_;
std::string chroot_dir_;
std::string pid_file_;
StringList log_targets_;
std::string file_name_;
OptionHost bind_to_;
ResolvAddrType resolv_addr_type_;
OptionHost local_;
OptionHost remote_;
OptionHost local_sync_;
HostList remote_sync_hosts_;
std::string dev_name_;
std::string dev_type_;
OptionNetwork ifconfig_param_;
std::string post_up_script_;
NetworkList routes_;
sender_id_t sender_id_;
mux_t mux_;
window_size_t seq_window_size_;
std::string cipher_;
std::string auth_algo_;
u_int32_t auth_tag_length_;
std::string kd_prf_;
role_t role_;
std::string passphrase_;
Buffer key_;
Buffer salt_;
};
extern Options& gOpt;
#endif
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