From 5ce3aac929ef217f3e813b5bc948dd28d021835f Mon Sep 17 00:00:00 2001
From: Adam Ierymenko <adam.ierymenko@gmail.com>
Date: Fri, 16 Oct 2015 10:28:09 -0700
Subject: Add rate limit on receive of DIRECT_PATH_PUSH to prevent DOS
 exploitation.

---
 node/Peer.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'node/Peer.cpp')

diff --git a/node/Peer.cpp b/node/Peer.cpp
index becc77f9..8c5c5783 100644
--- a/node/Peer.cpp
+++ b/node/Peer.cpp
@@ -52,7 +52,8 @@ Peer::Peer(const Identity &myIdentity,const Identity &peerIdentity)
 	_lastMulticastFrame(0),
 	_lastAnnouncedTo(0),
 	_lastPathConfirmationSent(0),
-	_lastDirectPathPush(0),
+	_lastDirectPathPushSent(0),
+	_lastDirectPathPushReceived(0),
 	_lastPathSort(0),
 	_vMajor(0),
 	_vMinor(0),
@@ -210,8 +211,8 @@ void Peer::pushDirectPaths(const RuntimeEnvironment *RR,RemotePath *path,uint64_
 {
 	Mutex::Lock _l(_lock);
 
-	if (((now - _lastDirectPathPush) >= ZT_DIRECT_PATH_PUSH_INTERVAL)||(force)) {
-		_lastDirectPathPush = now;
+	if (((now - _lastDirectPathPushSent) >= ZT_DIRECT_PATH_PUSH_INTERVAL)||(force)) {
+		_lastDirectPathPushSent = now;
 
 		std::vector<Path> dps(RR->node->directPaths());
 		if (dps.empty())
-- 
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