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authorGunnar Beutner <gbeutner@serenityos.org>2021-04-30 22:08:40 +0200
committerAndreas Kling <kling@serenityos.org>2021-04-30 23:11:56 +0200
commite0ac611a08adb5906b853dcc9d6c689f9f6427c9 (patch)
tree7c316f9626079f95682762169f3a717d1b8d7b5d
parentc03cbf83abcb969ab135eb73e566e85d7e9314c4 (diff)
downloadserenity-e0ac611a08adb5906b853dcc9d6c689f9f6427c9.zip
Kernel: Tear down connections when we receive an RST packet
-rw-r--r--Kernel/Net/NetworkTask.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/Kernel/Net/NetworkTask.cpp b/Kernel/Net/NetworkTask.cpp
index 92dd3aca6b..cf8f617e7e 100644
--- a/Kernel/Net/NetworkTask.cpp
+++ b/Kernel/Net/NetworkTask.cpp
@@ -528,6 +528,11 @@ void handle_tcp(const IPv4Packet& ipv4_packet, const Time& packet_timestamp)
return;
}
case TCPSocket::State::Established:
+ if (tcp_packet.has_rst()) {
+ socket->set_state(TCPSocket::State::Closed);
+ return;
+ }
+
if (tcp_packet.has_fin()) {
if (payload_size != 0)
socket->did_receive(ipv4_packet.source(), tcp_packet.source_port(), KBuffer::copy(&ipv4_packet, sizeof(IPv4Packet) + ipv4_packet.payload_size()), packet_timestamp);