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-rw-r--r--options.cpp624
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diff --git a/options.cpp b/options.cpp
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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 anytun.org <satp@wirdorange.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 <iostream>
-#include <queue>
-#include <string>
-#include <sstream>
-
-#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() : key_(u_int32_t(0)), salt_(u_int32_t(0))
-{
- progname_ = "anytun";
- daemonize_ = true;
- chroot_ = false;
- username_ = "nobody";
- chroot_dir_ = "/var/run/anytun";
- pid_file_ = "";
- 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_ = "tun";
- dev_type_ = "";
- ifconfig_param_local_ = "";
- ifconfig_param_remote_netmask_ = "";
- post_up_script_ = "";
- seq_window_size_ = 100;
- cipher_ = "aes-ctr";
- kd_prf_ = "aes-ctr";
- auth_algo_ = "sha1";
- 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_HEXSTRING_PARAM_SEC(SHORT, LONG, VALUE) \
- else if(str == SHORT || str == LONG) \
- { \
- if(argc < 1 || argv[i+1][0] == '-') \
- return false; \
- VALUE = Buffer(std::string(argv[i+1])); \
- for(size_t j=0; j < strlen(argv[i+1]); ++j) \
- argv[i+1][j] = '#'; \
- argc--; \
- i++; \
- }
-
-#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<std::string> host_port_queue;
- for(int i=1; argc > 0; ++i)
- {
- std::string str(argv[i]);
- argc--;
-
- if(str == "-h" || str == "--help")
- return false;
- PARSE_INVERSE_BOOL_PARAM("-D","--nodaemonize", daemonize_)
- PARSE_BOOL_PARAM("-C","--chroot", chroot_)
- PARSE_SCALAR_PARAM("-u","--username", username_)
- PARSE_SCALAR_PARAM("-H","--chroot-dir", chroot_dir_)
- PARSE_SCALAR_PARAM("-P","--write-pid", pid_file_)
- 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("-x","--post-up-script", post_up_script_)
- PARSE_SCALAR_PARAM("-w","--window-size", seq_window_size_)
- PARSE_SCALAR_PARAM("-m","--mux", mux_)
- PARSE_SCALAR_PARAM("-c","--cipher", cipher_)
- PARSE_HEXSTRING_PARAM_SEC("-K","--key", key_)
- PARSE_HEXSTRING_PARAM_SEC("-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)
- PARSE_CSLIST_PARAM("-X","--control-host", host_port_queue)
- else
- return false;
- }
-
- if(cipher_ == "null" && auth_algo_ == "null")
- kd_prf_ = "null";
- if((cipher_ != "null" || auth_algo_ != "null") && kd_prf_ == "null")
- kd_prf_ = "aes-ctr";
-
- 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] <file> the config file" << std::endl;
- std::cout << " [-D|--nodaemonize] don't run in background" << std::endl;
- std::cout << " [-C|--chroot] chroot and drop privileges" << std::endl;
- std::cout << " [-u|--username] if chroot change to this user" << std::endl;
- std::cout << " [-H|--chroot-dir] chroot to this directory" << std::endl;
- std::cout << " [-P|--write-pid] write pid to this file" << std::endl;
- std::cout << " [-s|--sender-id ] <sender id> the sender id to use" << std::endl;
- std::cout << " [-i|--interface] <ip-address> local anycast ip address to bind to" << std::endl;
- std::cout << " [-p|--port] <port> local anycast(data) port to bind to" << std::endl;
- std::cout << " [-I|--sync-interface] <ip-address> local unicast(sync) ip address to bind to" << std::endl;
- std::cout << " [-S|--sync-port] <port> local unicast(sync) port to bind to" << std::endl;
- std::cout << " [-M|--sync-hosts] <hostname|ip>:<port>[,<hostname|ip>:<port>[...]]"<< std::endl;
- std::cout << " remote hosts to sync with" << std::endl;
- std::cout << " [-X|--control-host] <hostname|ip>:<port>"<< std::endl;
- std::cout << " fetch the config from this host" << std::endl;
- std::cout << " [-r|--remote-host] <hostname|ip> remote host" << std::endl;
- std::cout << " [-o|--remote-port] <port> remote port" << std::endl;
- std::cout << " [-d|--dev] <name> device name" << std::endl;
- std::cout << " [-t|--type] <tun|tap> device type" << std::endl;
- std::cout << " [-n|--ifconfig] <local> the local address for the tun/tap device" << std::endl
- << " <remote|netmask> the remote address(tun) or netmask(tap)" << std::endl;
- std::cout << " [-x|--post-up-script] <script> script gets called after interface is created" << std::endl;
- std::cout << " [-w|--window-size] <window size> seqence number window size" << std::endl;
- std::cout << " [-m|--mux] <mux-id> the multiplex id to use" << std::endl;
- std::cout << " [-c|--cipher] <cipher type> payload encryption algorithm" << std::endl;
- std::cout << " [-K|--key] <master key> master key to use for encryption" << std::endl;
- std::cout << " [-A|--salt] <master salt> master salt to use for encryption" << std::endl;
-// std::cout << " [-k|--kd-prf] <kd-prf type> key derivation pseudo random function" << std::endl;
- std::cout << " [-a|--auth-algo] <algo type> message authentication algorithm" << std::endl;
-}
-
-void Options::printOptions()
-{
- Lock lock(mutex);
- std::cout << "Options:" << std::endl;
- std::cout << "daemonize=" << daemonize_ << std::endl;
- std::cout << "chroot=" << chroot_ << std::endl;
- std::cout << "username='" << username_ << "'" << std::endl;
- std::cout << "chroot_dir='" << chroot_dir_ << "'" << std::endl;
- std::cout << "pid_file='" << pid_file_ << "'" << 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 << "post_up_script='" << post_up_script_ << "'" << 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 << "key=" << key_.getHexDumpOneLine() << std::endl;
- std::cout << "salt=" << salt_.getHexDumpOneLine() << 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;
-}
-
-bool Options::getDaemonize()
-{
- return daemonize_;
-}
-
-Options& Options::setDaemonize(bool d)
-{
- daemonize_ = d;
- return *this;
-}
-
-bool Options::getChroot()
-{
- return chroot_;
-}
-
-Options& Options::setChroot(bool c)
-{
- chroot_ = c;
- return *this;
-}
-
-std::string Options::getUsername()
-{
- Lock lock(mutex);
- return username_;
-}
-
-Options& Options::setUsername(std::string u)
-{
- Lock lock(mutex);
- username_ = u;
- return *this;
-}
-
-std::string Options::getChrootDir()
-{
- Lock lock(mutex);
- return chroot_dir_;
-}
-
-Options& Options::setChrootDir(std::string c)
-{
- Lock lock(mutex);
- chroot_dir_ = c;
- return *this;
-}
-
-std::string Options::getPidFile()
-{
- Lock lock(mutex);
- return pid_file_;
-}
-
-Options& Options::setPidFile(std::string p)
-{
- Lock lock(mutex);
- pid_file_ = 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;
-}
-
-std::string Options::getPostUpScript()
-{
- Lock lock(mutex);
- return post_up_script_;
-}
-
-Options& Options::setPostUpScript(std::string p)
-{
- Lock lock(mutex);
- post_up_script_ = p;
- 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 key_;
-}
-
-Options& Options::setKey(std::string k)
-{
- Lock lock(mutex);
- key_ = k;
- return *this;
-}
-
-Buffer Options::getSalt()
-{
- Lock lock(mutex);
- return salt_;
-}
-
-Options& Options::setSalt(std::string s)
-{
- Lock lock(mutex);
- salt_ = s;
- return *this;
-}