From 5f4eb1ebc60abdd762bc77ef5b1120fe528ccc8f Mon Sep 17 00:00:00 2001
From: Adam Ierymenko <adam.ierymenko@gmail.com>
Date: Thu, 18 Jul 2013 16:35:52 -0400
Subject: Command line interface.

---
 cli.cpp | 124 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 cli.cpp

(limited to 'cli.cpp')

diff --git a/cli.cpp b/cli.cpp
new file mode 100644
index 00000000..a72a0890
--- /dev/null
+++ b/cli.cpp
@@ -0,0 +1,124 @@
+/*
+ * ZeroTier One - Global Peer to Peer Ethernet
+ * Copyright (C) 2012-2013  ZeroTier Networks LLC
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * --
+ *
+ * ZeroTier may be used and distributed under the terms of the GPLv3, which
+ * are available at: http://www.gnu.org/licenses/gpl-3.0.html
+ *
+ * If you would like to embed ZeroTier into a commercial application or
+ * redistribute it in a modified binary form, please contact ZeroTier Networks
+ * LLC. Start here: http://www.zerotier.com/
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifndef __WINDOWS__
+#include <unistd.h>
+#endif
+
+#include "node/Node.hpp"
+#include "node/Constants.hpp"
+#include "node/Utils.hpp"
+#include "node/Thread.hpp"
+
+using namespace ZeroTier;
+
+static void printHelp(FILE *out,const char *exename)
+{
+	fprintf(out,"Usage: %s [-switches] <command>"ZT_EOL_S,exename);
+	fprintf(out,ZT_EOL_S);
+	fprintf(out,"Switches:"ZT_EOL_S);
+	fprintf(out,"  -t<token>        - Specify token on command line"ZT_EOL_S);
+	fprintf(out,"  -T<file>         - Read token from file"ZT_EOL_S);
+	fprintf(out,ZT_EOL_S);
+	fprintf(out,"Use the 'help' command to get help from ZeroTier One itself."ZT_EOL_S);
+}
+
+static volatile uint64_t lastResultTime = 0ULL;
+static volatile unsigned int numResults = 0;
+
+static void resultHandler(void *arg,unsigned long id,const char *line)
+{
+	lastResultTime = Utils::now();
+	++numResults;
+	fprintf(stdout,"%s"ZT_EOL_S,line);
+}
+
+int main(int argc,char **argv)
+{
+	if (argc <= 1) {
+		printHelp(stdout,argv[0]);
+		return -1;
+	}
+
+	std::string authToken;
+
+	for(int i=1;i<argc;++i) {
+		if (argv[i][0] == '-') {
+			if (strlen(argv[i]) <= 1) {
+				printHelp(stdout,argv[0]);
+				return -1;
+			}
+			switch(argv[i][1]) {
+				case 't':
+					authToken.assign(argv[i] + 2);
+					break;
+				case 'T':
+					if (!Utils::readFile(argv[i] + 2,authToken)) {
+						fprintf(stdout,"FATAL ERROR: unable to read token from '%s'"ZT_EOL_S,argv[i] + 2);
+						return -2;
+					}
+					break;
+				default:
+					return -1;
+			}
+		}
+	}
+
+	if (!authToken.length()) {
+		const char *home = getenv("HOME");
+		if (home) {
+			std::string dotZeroTierAuthToken(home);
+			dotZeroTierAuthToken.push_back(ZT_PATH_SEPARATOR);
+			dotZeroTierAuthToken.append(".zerotierOneAuthToken");
+			if (!Utils::readFile(dotZeroTierAuthToken.c_str(),authToken)) {
+				fprintf(stdout,"FATAL ERROR: no token specified on command line and could not read '%s'"ZT_EOL_S,dotZeroTierAuthToken.c_str());
+				return -2;
+			}
+		}
+	}
+	if (!authToken.length()) {
+		fprintf(stdout,"FATAL ERROR: could not find auth token"ZT_EOL_S);
+		return -2;
+	}
+
+	Node::LocalClient(authToken.c_str(),&resultHandler,(void *)0);
+
+	lastResultTime = Utils::now();
+	while ((Utils::now() - lastResultTime) < 300)
+		Thread::sleep(50);
+
+	if (!numResults) {
+		fprintf(stdout,"ERROR: no results received. Is ZeroTier One running?"ZT_EOL_S);
+		return -1;
+	}
+
+	return 0;
+}
-- 
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