From b809dad94aeb59d591745034b86b273633aaf925 Mon Sep 17 00:00:00 2001
From: Adam Ierymenko <adam.ierymenko@gmail.com>
Date: Tue, 7 Oct 2014 16:16:22 -0700
Subject: [PATCH] Bug fix in zerotier-cli (Unix)

---
 control/NodeControlClient.cpp |  9 +++++++--
 main.cpp                      | 11 ++++++-----
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/control/NodeControlClient.cpp b/control/NodeControlClient.cpp
index 11fdc9c8a..7d0e04e82 100644
--- a/control/NodeControlClient.cpp
+++ b/control/NodeControlClient.cpp
@@ -39,6 +39,7 @@ struct _NodeControlClientImpl
 {
 	void (*resultHandler)(void *,const char *);
 	void *arg;
+	bool ignoreNextBreak;
 	IpcConnection *ipcc;
 	std::string err;
 };
@@ -46,8 +47,11 @@ struct _NodeControlClientImpl
 static void _CBipcResultHandler(void *arg,IpcConnection *ipcc,IpcConnection::EventType event,const char *result)
 {
 	if ((event == IpcConnection::IPC_EVENT_COMMAND)&&(result)) {
-		if (strcmp(result,"200 auth OK"))
-			((_NodeControlClientImpl *)arg)->resultHandler(((_NodeControlClientImpl *)arg)->arg,result);
+		if (!strcmp(result,"200 auth OK")) {
+			((_NodeControlClientImpl *)arg)->ignoreNextBreak = true;
+		} else if ((((_NodeControlClientImpl *)arg)->ignoreNextBreak)&&(!strcmp(result,"."))) {
+			((_NodeControlClientImpl *)arg)->ignoreNextBreak = false;
+		} else ((_NodeControlClientImpl *)arg)->resultHandler(((_NodeControlClientImpl *)arg)->arg,result);
 	}
 }
 
@@ -58,6 +62,7 @@ NodeControlClient::NodeControlClient(const char *ep,const char *authToken,void (
 	_NodeControlClientImpl *impl = (_NodeControlClientImpl *)_impl;
 	impl->resultHandler = resultHandler;
 	impl->arg = arg;
+	impl->ignoreNextBreak = false;
 	try {
 		impl->ipcc = new IpcConnection(ep,ZT_IPC_TIMEOUT,&_CBipcResultHandler,_impl);
 		impl->ipcc->printf("auth %s"ZT_EOL_S,authToken);
diff --git a/main.cpp b/main.cpp
index b2de78bae..3444f4d8a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -119,8 +119,10 @@ static void _CBresultHandler(void *arg,const char *line)
 	if (line) {
 		if ((line[0] == '.')&&(line[1] == (char)0)) {
 			fflush(stdout);
-			*((bool *)arg) = true;
-		} else fprintf(stdout,"%s"ZT_EOL_S,line);
+			::exit(0); // terminate CLI on end of message
+		} else {
+			fprintf(stdout,"%s"ZT_EOL_S,line);
+		}
 	}
 }
 
@@ -180,15 +182,14 @@ static int main(const char *homeDir,int argc,char **argv)
 			return 1;
 		}
 
-		volatile bool done = false;
-		NodeControlClient client((std::string(ZT_IPC_ENDPOINT_BASE) + id.address().toString()).c_str(),authToken.c_str(),&_CBresultHandler,(void *)&done);
+		NodeControlClient client((std::string(ZT_IPC_ENDPOINT_BASE) + id.address().toString()).c_str(),authToken.c_str(),&_CBresultHandler,(void *)0);
 		const char *err = client.error();
 		if (err) {
 			fprintf(stderr,"%s: fatal error: unable to connect (is ZeroTier One running?) (%s)"ZT_EOL_S,argv[0],err);
 			return 1;
 		}
 		client.send(query.c_str());
-		while (!done) Thread::sleep(100); // dis be ghetto
+		for(;;) { Thread::sleep(60000); } // exit() is called at end of message from handler
 	} catch (std::exception &exc) {
 		fprintf(stderr,"%s: fatal error: unable to connect (is ZeroTier One running?) (%s)"ZT_EOL_S,argv[0],exc.what());
 		return 1;