From 2c14f3760ef5970de75188659dc590e51e6e772c Mon Sep 17 00:00:00 2001 From: Christian Pointner Date: Thu, 21 Jun 2007 15:00:20 +0000 Subject: added options parser --- options.cpp | 179 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 179 insertions(+) create mode 100644 options.cpp (limited to 'options.cpp') diff --git a/options.cpp b/options.cpp new file mode 100644 index 0000000..31bdb1b --- /dev/null +++ b/options.cpp @@ -0,0 +1,179 @@ +/* + * 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 "datatypes.h" +#include "options.h" + + +#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; \ + } + + +Options::Options() +{ + progname_ = "anytun"; + sender_id_ = 0; + local_addr_ = ""; + local_port_ = 4444; + remote_addr_ = ""; + remote_port_ = 4444; + dev_name_ = "tap"; + ifconfig_param_local_ = "192.168.200.1"; + ifconfig_param_remote_netmask_ = "255.255.255.0"; +} + +bool Options::parse(int argc, char* argv[]) +{ + progname_ = argv[0]; + argc--; + + 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("-r","--remote-host", remote_addr_) + PARSE_SCALAR_PARAM("-o","--remote-port", remote_port_) + PARSE_SCALAR_PARAM("-d","--dev", dev_name_) + PARSE_SCALAR_PARAM2("-c","--ifconfig", ifconfig_param_local_, ifconfig_param_remote_netmask_) + else + return false; + } + return true; +} + +void Options::printUsage() const +{ + 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 interface to bind to" << std::endl; + std::cout << " [-p|--port] local port to bind to" << 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/type" << std::endl; + std::cout << " [-c|--ifconfig] the local address for the tun/tap device" << std::endl + << " the remote address(tun) or netmask(tap)" << std::endl; +} + +void Options::printOptions() const +{ + 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 << "remote_addr='" << remote_addr_ << "'" << std::endl; + std::cout << "remote_port='" << remote_port_ << "'" << std::endl; + std::cout << "dev_name='" << dev_name_ << "'" << std::endl; + std::cout << "ifconfig_param_local='" << ifconfig_param_local_ << "'" << std::endl; + std::cout << "ifconfig_param_remote_netmask='" << ifconfig_param_remote_netmask_ << "'" << std::endl; +} + +sender_id_t Options::getSenderId() const +{ + return sender_id_; +} + +std::string Options::getLocalAddr() const +{ + return local_addr_; +} + +u_int16_t Options::getLocalPort() const +{ + return local_port_; +} + +std::string Options::getRemoteAddr() const +{ + return remote_addr_; +} + +u_int16_t Options::getRemotePort() const +{ + return remote_port_; +} + +std::string Options::getDevName() const +{ + return dev_name_; +} + +std::string Options::getIfconfigParamLocal() const +{ + return ifconfig_param_local_; +} + +std::string Options::getIfconfigParamRemoteNetmask() const +{ + return ifconfig_param_remote_netmask_; +} + -- cgit v1.2.3