From 064439236c39057b5ac97914087fc97a3dd0822c Mon Sep 17 00:00:00 2001
From: Derrick Lyndon Pallas <derrick@argosylabs.com>
Date: Thu, 11 Apr 2019 18:12:26 +0000
Subject: [PATCH] OfflinePacketFilter: avoid leak during copy-construction or
 assignment

---
 src/offline_packet_filter.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/offline_packet_filter.cpp b/src/offline_packet_filter.cpp
index ad8878a..c57b827 100644
--- a/src/offline_packet_filter.cpp
+++ b/src/offline_packet_filter.cpp
@@ -37,11 +37,14 @@ using std::string;
 namespace Tins {
 
 OfflinePacketFilter::OfflinePacketFilter(const OfflinePacketFilter& other) {
-    *this = other;
+    string_filter_ = other.string_filter_;
+    init(string_filter_, pcap_datalink(other.handle_), pcap_snapshot(other.handle_));
 }
 
 OfflinePacketFilter& OfflinePacketFilter::operator=(const OfflinePacketFilter& other) {
     string_filter_ = other.string_filter_;
+    pcap_freecode(&filter_);
+    pcap_close(handle_);
     init(string_filter_, pcap_datalink(other.handle_), pcap_snapshot(other.handle_));
     return* this;
 }