Bryan Biedenkapp
3 years ago
parent
feb66c76b9
commit
c553c943ec
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/**
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* Digital Voice Modem - Remote Command Client
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / Remote Command Client
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*
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*/
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//
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// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
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// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
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//
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/*
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* Copyright (C) 2019 by Jonathan Naylor G4KLX
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* Copyright (C) 2019 by Bryan Biedenkapp <gatekeep@gmail.com>
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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 "RemoteCommand.h"
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#include "edac/SHA256.h"
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#include "network/UDPSocket.h"
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#include "Thread.h"
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#include "Log.h"
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#include "Utils.h"
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using namespace network;
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#include <cstdio>
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#include <cassert>
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#include <cstdlib>
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#include <cstring>
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// ---------------------------------------------------------------------------
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// Constants
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// ---------------------------------------------------------------------------
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#undef __PROG_NAME__
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#define __PROG_NAME__ "Digital Voice Modem (DVM) RCON Tool"
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#undef __EXE_NAME__
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#define __EXE_NAME__ "dvmcmd"
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#define ERRNO_REMOTE_CMD 99
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// ---------------------------------------------------------------------------
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// Macros
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// ---------------------------------------------------------------------------
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#define IS(s) (::strcmp(argv[i], s) == 0)
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// ---------------------------------------------------------------------------
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// Global Variables
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// ---------------------------------------------------------------------------
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static std::string g_progExe = std::string(__EXE_NAME__);
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static std::string g_remoteAddress = std::string("127.0.0.1");
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static uint32_t g_remotePort = RCON_DEFAULT_PORT;
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static std::string g_remotePassword = std::string();
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static bool g_debug = false;
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// ---------------------------------------------------------------------------
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// Global Functions
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// ---------------------------------------------------------------------------
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void fatal(const char* message)
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{
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::fprintf(stderr, "%s: %s\n", g_progExe.c_str(), message);
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exit(EXIT_FAILURE);
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}
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void usage(const char* message, const char* arg)
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{
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::fprintf(stdout, __PROG_NAME__ " %s (built %s)\r\n", __VER__, __BUILD__);
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::fprintf(stdout, "Copyright (c) 2017-2022 Bryan Biedenkapp, N2PLL and DVMProject (https://github.com/dvmproject) Authors.\n");
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::fprintf(stdout, "Portions Copyright (c) 2015-2021 by Jonathan Naylor, G4KLX and others\n\n");
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if (message != nullptr) {
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::fprintf(stderr, "%s: ", g_progExe.c_str());
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::fprintf(stderr, message, arg);
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::fprintf(stderr, "\n\n");
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}
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::fprintf(stdout, "usage: %s [-v] [-a <address>] [-p <port>] [-P <password>] <command>\n\n"
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" -a remote modem command address\n"
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" -p remote modem command port\n"
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" -P remote modem authentication password\n"
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"\n"
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" -d enable debug\n"
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" -v show version information\n"
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" -h show this screen\n"
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" -- stop handling options\n",
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g_progExe.c_str());
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exit(EXIT_FAILURE);
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}
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int checkArgs(int argc, char* argv[])
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{
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int i, p = 0;
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// iterate through arguments
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for (i = 1; i <= argc; i++)
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{
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if (argv[i] == nullptr) {
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break;
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}
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if (*argv[i] != '-') {
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continue;
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}
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else if (IS("--")) {
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++p;
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break;
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}
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else if (IS("-a")) {
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if ((argc - 1) <= 0)
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usage("error: %s", "must specify the address to connect to");
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g_remoteAddress = std::string(argv[++i]);
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if (g_remoteAddress == "")
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usage("error: %s", "remote address cannot be blank!");
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p += 2;
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}
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else if (IS("-p")) {
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if ((argc - 1) <= 0)
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usage("error: %s", "must specify the port to connect to");
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g_remotePort = (uint32_t)::atoi(argv[++i]);
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if (g_remotePort == 0)
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usage("error: %s", "remote port number cannot be blank or 0!");
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p += 2;
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}
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else if (IS("-P")) {
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if ((argc - 1) <= 0)
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usage("error: %s", "must specify the auth password");
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g_remotePassword = std::string(argv[++i]);
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if (g_remotePassword == "")
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usage("error: %s", "remote auth password cannot be blank!");
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p += 2;
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}
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else if (IS("-d")) {
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++p;
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g_debug = true;
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}
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else if (IS("-v")) {
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::fprintf(stdout, __PROG_NAME__ " %s (built %s)\r\n", __VER__, __BUILD__);
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::fprintf(stdout, "Copyright (c) 2017-2022 Bryan Biedenkapp, N2PLL and DVMProject (https://github.com/dvmproject) Authors.\r\n");
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::fprintf(stdout, "Portions Copyright (c) 2015-2021 by Jonathan Naylor, G4KLX and others\r\n");
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if (argc == 2)
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exit(EXIT_SUCCESS);
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}
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else if (IS("-h")) {
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usage(nullptr, nullptr);
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if (argc == 2)
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exit(EXIT_SUCCESS);
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}
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else {
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usage("unrecognized option `%s'", argv[i]);
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}
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}
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if (p < 0 || p > argc) {
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p = 0;
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}
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return ++p;
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}
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// ---------------------------------------------------------------------------
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// Program Entry Point
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// ---------------------------------------------------------------------------
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int main(int argc, char** argv)
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{
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if (argv[0] != nullptr && *argv[0] != 0)
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g_progExe = std::string(argv[0]);
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if (argc < 2) {
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usage("error: %s", "must specify the remote command!");
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return ERRNO_REMOTE_CMD;
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}
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if (argc > 1) {
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// check arguments
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int i = checkArgs(argc, argv);
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if (i < argc) {
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argc -= i;
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argv += i;
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}
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else {
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argc--;
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argv++;
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}
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}
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// process command
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std::string cmd = std::string(argv[0]);
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for (int i = 1; i < argc; i++) {
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cmd += " ";
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cmd += std::string(argv[i]);
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}
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// initialize system logging
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bool ret = ::LogInitialise("", "", 0U, 1U, true);
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if (!ret) {
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::fprintf(stderr, "unable to open the log file\n");
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return 1;
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}
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RemoteCommand* command = new RemoteCommand(g_remoteAddress, g_remotePort, g_remotePassword, g_debug);
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int retCode = command->send(cmd);
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::LogFinalise();
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return retCode;
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}
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