mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-19 13:07:55 +00:00
139 lines
3.5 KiB
C++
139 lines
3.5 KiB
C++
/*
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* ZeroTier One - Global Peer to Peer Ethernet
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* Copyright (C) 2012-2013 ZeroTier Networks LLC
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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 3 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, see <http://www.gnu.org/licenses/>.
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*
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* --
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*
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* ZeroTier may be used and distributed under the terms of the GPLv3, which
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* are available at: http://www.gnu.org/licenses/gpl-3.0.html
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*
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* If you would like to embed ZeroTier into a commercial application or
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* redistribute it in a modified binary form, please contact ZeroTier Networks
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* LLC. Start here: http://www.zerotier.com/
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <errno.h>
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#include <string>
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#include <stdexcept>
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#include <iostream>
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#ifdef _WIN32
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#include <Windows.h>
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#else
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#include <unistd.h>
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#include <pwd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <signal.h>
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#endif
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#include "node/Node.hpp"
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#include "node/Utils.hpp"
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#include "launcher.h"
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using namespace ZeroTier;
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static Node *node = (Node *)0;
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static void printHelp(const char *cn,FILE *out)
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{
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fprintf(out,"ZeroTier One version %d.%d.%d\n(c)2012-2013 ZeroTier Networks LLC\nLicensed under the GNU General Public License v3\n\nUsage: %s <home directory>\n",Node::versionMajor(),Node::versionMinor(),Node::versionRevision(),cn);
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}
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#ifndef _WIN32
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static void sighandlerQuit(int sig)
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{
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Node *n = node;
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if (n)
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n->terminate();
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else exit(0);
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}
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#endif
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int main(int argc,char **argv)
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{
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#ifndef _WIN32
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signal(SIGHUP,SIG_IGN);
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signal(SIGPIPE,SIG_IGN);
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signal(SIGUSR1,SIG_IGN);
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signal(SIGUSR2,SIG_IGN);
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signal(SIGALRM,SIG_IGN);
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signal(SIGINT,&sighandlerQuit);
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signal(SIGTERM,&sighandlerQuit);
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signal(SIGQUIT,&sighandlerQuit);
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#endif
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if (argc < 2) {
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printHelp(argv[0],stderr);
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return ZT_EXEC_RETURN_VALUE_NORMAL_TERMINATION;
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}
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const char *homeDir = (const char *)0;
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for(int i=1;i<argc;++i) {
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if (argv[i][0] == '-') {
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switch(argv[i][1]) {
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default:
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printHelp(argv[0],stderr);
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return ZT_EXEC_RETURN_VALUE_NORMAL_TERMINATION;
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}
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} else {
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if (homeDir) {
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printHelp(argv[0],stderr);
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return ZT_EXEC_RETURN_VALUE_NORMAL_TERMINATION;
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}
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homeDir = argv[i];
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break;
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}
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}
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if ((!homeDir)||(strlen(homeDir) <= 0)) {
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printHelp(argv[0],stderr);
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return ZT_EXEC_RETURN_VALUE_NORMAL_TERMINATION;
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}
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#ifndef _WIN32
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mkdir(homeDir,0755); // will fail if it already exists
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#endif
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int exitCode = ZT_EXEC_RETURN_VALUE_NORMAL_TERMINATION;
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node = new Node(homeDir);
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const char *termReason = (char *)0;
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switch(node->run()) {
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case Node::NODE_RESTART_FOR_RECONFIGURATION:
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exitCode = ZT_EXEC_RETURN_VALUE_PLEASE_RESTART;
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break;
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case Node::NODE_UNRECOVERABLE_ERROR:
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exitCode = ZT_EXEC_RETURN_VALUE_UNRECOVERABLE_ERROR;
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termReason = node->reasonForTermination();
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fprintf(stderr,"%s: abnormal termination: %s\n",argv[0],(termReason) ? termReason : "(unknown reason)");
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break;
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case Node::NODE_NEW_VERSION_AVAILABLE:
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exitCode = ZT_EXEC_RETURN_VALUE_TERMINATED_FOR_UPGRADE;
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break;
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default:
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break;
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}
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delete node;
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node = (Node *)0;
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return exitCode;
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}
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