/* * 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 anytun.org * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. * * This program 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 (see the file COPYING included with this * distribution); if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include "datatypes.h" #include "options.h" Options* Options::inst = NULL; Mutex Options::instMutex; Options& gOpt = Options::instance(); Options& Options::instance() { Lock lock(instMutex); static instanceCleaner c; if(!inst) inst = new Options(); return *inst; } Options::Options() { progname_ = "anytun"; sender_id_ = 0; local_addr_ = ""; local_port_ = 4444; local_sync_port_ = 0; remote_sync_port_ = 0; remote_sync_addr_ = ""; remote_addr_ = ""; remote_port_ = 4444; dev_name_ = "tap"; dev_type_ = ""; ifconfig_param_local_ = "192.168.200.1"; ifconfig_param_remote_netmask_ = "255.255.255.0"; seq_window_size_ = 100; cipher_ = "aes-ctr"; kd_prf_ = "aes-ctr"; auth_algo_ = "sha1"; key_ = ""; salt_ = ""; mux_ = 0; } Options::~Options() { } #define PARSE_BOOL_PARAM(SHORT, LONG, VALUE) \ else if(str == SHORT || str == LONG) \ VALUE = true; #define PARSE_INVERSE_BOOL_PARAM(SHORT, LONG, VALUE) \ else if(str == SHORT || str == LONG) \ VALUE = false; #define PARSE_SCALAR_PARAM(SHORT, LONG, VALUE) \ else if(str == SHORT || str == LONG) \ { \ if(argc < 1 || argv[i+1][0] == '-') \ return false; \ std::stringstream tmp; \ tmp << argv[i+1]; \ tmp >> VALUE; \ argc--; \ i++; \ } #define PARSE_SCALAR_PARAM2(SHORT, LONG, VALUE1, VALUE2) \ else if(str == SHORT || str == LONG) \ { \ if(argc < 2 || \ argv[i+1][0] == '-' || argv[i+2][0] == '-') \ return false; \ std::stringstream tmp; \ tmp << argv[i+1] << " " << argv[i+2]; \ tmp >> VALUE1; \ tmp >> VALUE2; \ argc-=2; \ i+=2; \ } #define PARSE_CSLIST_PARAM(SHORT, LONG, LIST) \ else if(str == SHORT || str == LONG) \ { \ if(argc < 1 || argv[i+1][0] == '-') \ return false; \ std::stringstream tmp(argv[i+1]); \ while (tmp.good()) \ { \ std::string tmp_line; \ getline(tmp,tmp_line,','); \ LIST.push(tmp_line); \ } \ argc--; \ i++; \ } bool Options::parse(int argc, char* argv[]) { Lock lock(mutex); progname_ = argv[0]; argc--; std::queue host_port_queue; for(int i=1; argc > 0; ++i) { std::string str(argv[i]); argc--; if(str == "-h" || str == "--help") return false; PARSE_SCALAR_PARAM("-s","--sender-id", sender_id_) PARSE_SCALAR_PARAM("-i","--interface", local_addr_) PARSE_SCALAR_PARAM("-p","--port", local_port_) PARSE_SCALAR_PARAM("-S","--sync-port", local_sync_port_) PARSE_SCALAR_PARAM("-I","--sync-interface", local_sync_addr_) PARSE_SCALAR_PARAM("-R","--remote-sync-host", remote_sync_addr_) PARSE_SCALAR_PARAM("-O","--remote-sync-port", remote_sync_port_) PARSE_SCALAR_PARAM("-r","--remote-host", remote_addr_) PARSE_SCALAR_PARAM("-o","--remote-port", remote_port_) PARSE_SCALAR_PARAM("-d","--dev", dev_name_) PARSE_SCALAR_PARAM("-t","--type", dev_type_) PARSE_SCALAR_PARAM2("-n","--ifconfig", ifconfig_param_local_, ifconfig_param_remote_netmask_) PARSE_SCALAR_PARAM("-w","--window-size", seq_window_size_) PARSE_SCALAR_PARAM("-m","--mux", mux_) PARSE_SCALAR_PARAM("-c","--cipher", cipher_) PARSE_SCALAR_PARAM("-K","--key", key_) PARSE_SCALAR_PARAM("-a","--salt", salt_) PARSE_SCALAR_PARAM("-k","--kd-prf", kd_prf_) PARSE_SCALAR_PARAM("-a","--auth-algo", auth_algo_) PARSE_CSLIST_PARAM("-M","--sync-hosts", host_port_queue) else return false; } if(cipher_ == "null") kd_prf_ = "null"; while(!host_port_queue.empty()) { std::stringstream tmp_stream(host_port_queue.front()); OptionConnectTo oct; getline(tmp_stream,oct.host,':'); if(!tmp_stream.good()) return false; tmp_stream >> oct.port; host_port_queue.pop(); connect_to_.push_back(oct); } return true; } void Options::printUsage() { std::cout << "USAGE:" << std::endl; std::cout << "anytun [-h|--help] prints this..." << std::endl; // std::cout << " [-f|--config] the config file" << std::endl; std::cout << " [-s|--sender-id ] the sender id to use" << std::endl; std::cout << " [-i|--interface] local anycast ip address to bind to" << std::endl; std::cout << " [-p|--port] local anycast(data) port to bind to" << std::endl; std::cout << " [-I|--sync-interface] local unicast(sync) ip address to bind to" << std::endl; std::cout << " [-S|--sync-port] local unicast(sync) port to bind to" << std::endl; std::cout << " [-M|--sync-hosts] :[,:[...]]"<< std::endl; std::cout << " remote hosts to sync with" << std::endl; std::cout << " [-r|--remote-host] remote host" << std::endl; std::cout << " [-o|--remote-port] remote port" << std::endl; std::cout << " [-d|--dev] device name" << std::endl; std::cout << " [-t|--type] device type" << std::endl; std::cout << " [-n|--ifconfig] the local address for the tun/tap device" << std::endl << " the remote address(tun) or netmask(tap)" << std::endl; std::cout << " [-w|--window-size] seqence number window size" << std::endl; std::cout << " [-m|--mux] the multiplex id to use" << std::endl; std::cout << " [-c|--cipher] payload encryption algorithm" << std::endl; std::cout << " [-K|--key] master key to use for encryption" << std::endl; std::cout << " [-a|--salt] master salt to use for encryption" << std::endl; std::cout << " [-k|--kd-prf] key derivation pseudo random function" << std::endl; std::cout << " [-a|--auth-algo] message authentication algorithm" << std::endl; } void Options::printOptions() { Lock lock(mutex); std::cout << "Options:" << std::endl; std::cout << "sender_id='" << sender_id_ << "'" << std::endl; std::cout << "local_addr='" << local_addr_ << "'" << std::endl; std::cout << "local_port='" << local_port_ << "'" << std::endl; std::cout << "local_sync_addr='" << local_sync_addr_ << "'" << std::endl; std::cout << "local_sync_port='" << local_sync_port_ << "'" << std::endl; std::cout << "remote_addr='" << remote_addr_ << "'" << std::endl; std::cout << "remote_port='" << remote_port_ << "'" << std::endl; std::cout << "dev_name='" << dev_name_ << "'" << std::endl; std::cout << "dev_type='" << dev_type_ << "'" << std::endl; std::cout << "ifconfig_param_local='" << ifconfig_param_local_ << "'" << std::endl; std::cout << "ifconfig_param_remote_netmask='" << ifconfig_param_remote_netmask_ << "'" << std::endl; std::cout << "seq_window_size='" << seq_window_size_ << "'" << std::endl; std::cout << "mux_id='" << mux_ << "'" << std::endl; std::cout << "cipher='" << cipher_ << "'" << std::endl; std::cout << "salt='" << salt_.getHexDump() << "'" << std::endl; std::cout << "kd-prf='" << kd_prf_ << "'" << std::endl; std::cout << "auth_algo='" << auth_algo_ << "'" << std::endl; } std::string Options::getProgname() { Lock lock(mutex); return progname_; } Options& Options::setProgname(std::string p) { Lock lock(mutex); progname_ = p; return *this; } ConnectToList Options::getConnectTo() { Lock lock(mutex); return connect_to_; } sender_id_t Options::getSenderId() { return sender_id_; } Options& Options::setSenderId(sender_id_t s) { sender_id_ = s; return *this; } std::string Options::getLocalAddr() { Lock lock(mutex); return local_addr_; } Options& Options::setLocalAddr(std::string l) { Lock lock(mutex); local_addr_ = l; return *this; } std::string Options::getLocalSyncAddr() { Lock lock(mutex); return local_sync_addr_; } Options& Options::setLocalSyncAddr(std::string l) { Lock lock(mutex); local_sync_addr_ = l; return *this; } u_int16_t Options::getLocalPort() { return local_port_; } Options& Options::setLocalPort(u_int16_t l) { local_port_ = l; return *this; } u_int16_t Options::getLocalSyncPort() { return local_sync_port_; } Options& Options::setLocalSyncPort(u_int16_t l) { local_sync_port_ = l; return *this; } u_int16_t Options::getRemoteSyncPort() { return remote_sync_port_; } Options& Options::setRemoteSyncPort(u_int16_t l) { remote_sync_port_ = l; return *this; } std::string Options::getRemoteSyncAddr() { Lock lock(mutex); return remote_sync_addr_; } Options& Options::setRemoteSyncAddr(std::string r) { Lock lock(mutex); remote_sync_addr_ = r; return *this; } std::string Options::getRemoteAddr() { Lock lock(mutex); return remote_addr_; } Options& Options::setRemoteAddr(std::string r) { Lock lock(mutex); remote_addr_ = r; return *this; } u_int16_t Options::getRemotePort() { return remote_port_; } Options& Options::setRemotePort(u_int16_t r) { remote_port_ = r; return *this; } Options& Options::setRemoteAddrPort(std::string addr, u_int16_t port) { Lock lock(mutex); remote_addr_ = addr; remote_port_ = port; return *this; } std::string Options::getDevName() { Lock lock(mutex); return dev_name_; } std::string Options::getDevType() { Lock lock(mutex); return dev_type_; } Options& Options::setDevName(std::string d) { Lock lock(mutex); dev_name_ = d; return *this; } Options& Options::setDevType(std::string d) { Lock lock(mutex); dev_type_ = d; return *this; } std::string Options::getIfconfigParamLocal() { Lock lock(mutex); return ifconfig_param_local_; } Options& Options::setIfconfigParamLocal(std::string i) { Lock lock(mutex); ifconfig_param_local_ = i; return *this; } std::string Options::getIfconfigParamRemoteNetmask() { Lock lock(mutex); return ifconfig_param_remote_netmask_; } Options& Options::setIfconfigParamRemoteNetmask(std::string i) { Lock lock(mutex); ifconfig_param_remote_netmask_ = i; return *this; } window_size_t Options::getSeqWindowSize() { return seq_window_size_; } Options& Options::setSeqWindowSize(window_size_t s) { seq_window_size_ = s; return *this; } std::string Options::getCipher() { Lock lock(mutex); return cipher_; } Options& Options::setCipher(std::string c) { Lock lock(mutex); cipher_ = c; return *this; } std::string Options::getKdPrf() { Lock lock(mutex); return kd_prf_; } Options& Options::setKdPrf(std::string k) { Lock lock(mutex); kd_prf_ = k; return *this; } std::string Options::getAuthAlgo() { Lock lock(mutex); return auth_algo_; } Options& Options::setAuthAlgo(std::string a) { Lock lock(mutex); auth_algo_ = a; return *this; } u_int16_t Options::getMux() { Lock lock(mutex); return mux_; } Options& Options::setMux(u_int16_t m) { Lock lock(mutex); mux_ = m; return *this; } Buffer Options::getKey() { Lock lock(mutex); return Buffer(u_int32_t(0)); } Options& Options::setKey(std::string k) { Lock lock(mutex); return *this; }