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280 lines
8.5 KiB
280 lines
8.5 KiB
/*
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* Copyright (C) 2010,2011 by Jonathan Naylor G4KLX
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* Copyright (c) 2022 by Geoffrey Merck F4FXL / KC3FRA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <string>
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#include <cstdio>
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#include <unordered_map>
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#include <vector>
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#include <boost/algorithm/string.hpp>
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#include <thread>
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#include <chrono>
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#include "DGWRemoteControlApp.h"
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#include "DGWRemoteControlConfig.h"
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#include "Version.h"
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#include "ProgramArgs.h"
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#include "DStarDefines.h"
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#include "SHA256.h"
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const std::string NAME_OPTION("name");
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const std::string REPEATER_PARAM("Callsign");
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const std::string ACTION_PARAM("Action");
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const std::string RECONNECT_PARAM("Param1");
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const std::string REFLECTOR_PARAM("Param2");
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const std::string CONFIG_FILENAME("dgwremotecontrol.cfg");
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int main(int argc, const char* argv[])
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{
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std::string name, repeater, actionText, user, reflector;
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RECONNECT reconnect;
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if(!getCLIParams(argc, argv, name, repeater, actionText, reconnect, user, reflector)) {
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::fprintf(stderr, "\ndgwremotecontrol v%s : invalid command line usage:\n\n", LONG_VERSION.c_str());
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::fprintf(stderr, "\t\tdgwremotecontrol [-name <name>] <repeater> link <reconnect> <reflector>\n");
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::fprintf(stderr, "\t\tdgwremotecontrol [-name <name>] <repeater> unlink\n");
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#ifdef USE_STARNET
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::fprintf(stderr, "\t\tdgwremotecontrol [-name <name>] <starnet> drop <user>\n");
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::fprintf(stderr, "\t\tdgwremotecontrol [-name <name>] <starnet> drop all\n");
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#endif
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::fprintf(stderr, "\n");
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return 1;
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}
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CDGWRemoteControlConfig config(std::string(CFG_DIR) + "/" + CONFIG_FILENAME);
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TRemoteGateway gatewayConfig;
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if(!config.load() || !config.getGateway(name, gatewayConfig)) {
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::fprintf(stderr, "Configuration failed to load\n");
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return 1;
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}
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std::string password(gatewayConfig.m_password);
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CRemoteControlRemoteControlHandler handler(gatewayConfig.m_address, gatewayConfig.m_port);
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bool ret = handler.open();
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if (!ret) {
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::fprintf(stderr, "dgwremotecontrol: unable to open the UDP port\n");
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return 1;
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}
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ret = handler.login();
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if (!ret) {
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handler.close();
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::fprintf(stderr, "dgwremotecontrol: unable to login to the gateway/starnetserver\n");
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return 1;
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}
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unsigned int count = 0U;
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while (count < 10U) {
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std::this_thread::sleep_for(std::chrono::milliseconds(100U));
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RC_TYPE type = handler.readType();
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if (type == RCT_RANDOM)
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break;
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if (type == RCT_NONE)
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handler.retry();
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count++;
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}
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if (count >= 10U) {
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handler.close();
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::fprintf(stderr, "dgwremotecontrol: unable to get a response from the gateway/starnetserver\n");
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return 1;
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}
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unsigned int rnd = handler.readRandom();
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sendHash(&handler, password, rnd);
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count = 0U;
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while (count < 10U) {
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std::this_thread::sleep_for(std::chrono::milliseconds(100U));
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RC_TYPE type = handler.readType();
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if (type == RCT_ACK)
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break;
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if (type == RCT_NAK) {
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handler.close();
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::fprintf(stderr, "dgwremotecontrol: invalid password sent to the gateway/starnetserver\n");
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return 1;
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}
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if (type == RCT_NONE)
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handler.retry();
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count++;
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}
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if (count >= 10U) {
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handler.close();
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::fprintf(stderr, "dgwremotecontrol: unable to get a response from the gateway/starnetserver\n");
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return 1;
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}
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handler.setLoggedIn(true);
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if (actionText == "drop")
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handler.logoff(repeater, user);
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else
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handler.link(repeater, reconnect, reflector);
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count = 0U;
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while (count < 10U) {
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std::this_thread::sleep_for(std::chrono::milliseconds(100U));
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RC_TYPE type = handler.readType();
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if (type == RCT_ACK)
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break;
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if (type == RCT_NAK) {
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handler.close();
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::fprintf(stderr, "dgwremotecontrol: drop/link/unlink command rejected by the gateway/starnetserver\n");
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return 1;
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}
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if (type == RCT_NONE)
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handler.retry();
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count++;
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}
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if (count >= 10U) {
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handler.close();
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::fprintf(stderr, "dgwremotecontrol: unable to get a response from the gateway/starnetserver\n");
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return 1;
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}
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::fprintf(stdout, "dgwremotecontrol: command accepted by the gateway/starnetserver\n");
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handler.logout();
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handler.close();
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return 0;
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}
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bool getCLIParams(int argc, const char* argv[], std::string& name, std::string& repeater, std::string& actionText, RECONNECT& reconnect, std::string& user, std::string& reflector)
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{
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bool ret = true;
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std::unordered_map<std::string, std::string> namedArgs;
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std::vector<std::string> positionalArgs;
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CProgramArgs::eatArguments(argc, argv, namedArgs, positionalArgs);
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if(namedArgs.count(NAME_OPTION) > 0U) {
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name = namedArgs[NAME_OPTION];
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}
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if(positionalArgs.size() < 1) {
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return false;
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}
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// dgwremotecontrol [-name <name>] <repeater> link <reconnect> <reflector>
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if(positionalArgs.size() == 4U) {
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repeater = positionalArgs[0];
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actionText = boost::to_lower_copy(positionalArgs[1]);
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if(actionText != "link") {
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::fprintf(stderr, "Invalid action %s. Expected link\n", positionalArgs[1].c_str());
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ret = false;
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}
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std::string reconnectText = boost::to_lower_copy(positionalArgs[2]);
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if(reconnectText == "never") reconnect = RECONNECT_NEVER;
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else if(reconnectText == "5") reconnect = RECONNECT_5MINS;
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else if(reconnectText == "10") reconnect = RECONNECT_10MINS;
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else if(reconnectText == "15") reconnect = RECONNECT_15MINS;
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else if(reconnectText == "20") reconnect = RECONNECT_20MINS;
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else if(reconnectText == "25") reconnect = RECONNECT_25MINS;
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else if(reconnectText == "30") reconnect = RECONNECT_30MINS;
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else if(reconnectText == "60") reconnect = RECONNECT_60MINS;
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else if(reconnectText == "90") reconnect = RECONNECT_90MINS;
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else if(reconnectText == "120") reconnect = RECONNECT_120MINS;
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else if(reconnectText == "180") reconnect = RECONNECT_180MINS;
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else if(reconnectText == "fixed") reconnect = RECONNECT_FIXED;
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else {
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::fprintf(stderr, "Invalid reconnect value %s. Valid values are 5,10,15,20,25,30,60,90,120,180,fixed\n", positionalArgs[2].c_str());
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ret = false;
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}
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reflector = boost::to_upper_copy(positionalArgs[3]);
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boost::replace_all(reflector, "_", " ");
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}
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// dgwremotecontrol [-name <name>] <repeater> unlink
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else if(positionalArgs.size() == 2U) {
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repeater = positionalArgs[0];
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actionText = boost::to_lower_copy(positionalArgs[1]);
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if(actionText != "unlink") {
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::fprintf(stderr, "Invalid action %s. Expected unlink\n", positionalArgs[1].c_str());
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ret = false;
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}
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reconnect = RECONNECT_NEVER;
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}
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// dgwremotecontrol [-name <name>] <starnet> drop <user>
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// dgwremotecontrol [-name <name>] <starnet> drop all
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else if(positionalArgs.size() == 3U) {
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repeater = positionalArgs[0];
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actionText = boost::to_lower_copy(positionalArgs[1]);
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if(actionText != "drop") {
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::fprintf(stderr, "Invalid action %s. Expected drop\n", positionalArgs[1].c_str());
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ret = false;
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}
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user = positionalArgs[2];
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}
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boost::to_upper(repeater);
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repeater.resize(LONG_CALLSIGN_LENGTH, ' ');
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boost::replace_all(repeater, "_", " ");
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boost::to_upper(reflector);
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reflector.resize(LONG_CALLSIGN_LENGTH, ' ');
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boost::replace_all(reflector, "_", " ");
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boost::to_upper(user);
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user.resize(LONG_CALLSIGN_LENGTH, ' ');
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boost::replace_all(user, "_", " ");
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return ret;
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}
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void sendHash(CRemoteControlRemoteControlHandler* handler, const std::string& password, unsigned int rnd)
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{
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assert(handler != NULL);
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unsigned int len = password.length() + sizeof(unsigned int);
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unsigned char* in = new unsigned char[len];
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unsigned char* out = new unsigned char[32U];
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::memcpy(in, &rnd, sizeof(unsigned int));
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for (unsigned int i = 0U; i < password.length(); i++)
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in[i + sizeof(unsigned int)] = password.at(i);
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CSHA256 sha256;
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sha256.buffer(in, len, out);
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handler->sendHash(out, 32U);
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delete[] in;
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delete[] out;
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} |