From 810cc07aab2bf1561cc79a07c31708f7632bb746 Mon Sep 17 00:00:00 2001
From: Kevin Krakauer <krakauer@google.com>
Date: Fri, 2 Aug 2019 16:25:34 -0700
Subject: Plumbing for iptables sockopts.

PiperOrigin-RevId: 261413396
---
 pkg/tcpip/transport/udp/BUILD       | 1 +
 pkg/tcpip/transport/udp/endpoint.go | 6 ++++++
 2 files changed, 7 insertions(+)

(limited to 'pkg/tcpip/transport/udp')

diff --git a/pkg/tcpip/transport/udp/BUILD b/pkg/tcpip/transport/udp/BUILD
index 6dac66b50..ac2666f69 100644
--- a/pkg/tcpip/transport/udp/BUILD
+++ b/pkg/tcpip/transport/udp/BUILD
@@ -32,6 +32,7 @@ go_library(
         "//pkg/tcpip",
         "//pkg/tcpip/buffer",
         "//pkg/tcpip/header",
+        "//pkg/tcpip/iptables",
         "//pkg/tcpip/stack",
         "//pkg/tcpip/transport/raw",
         "//pkg/waiter",
diff --git a/pkg/tcpip/transport/udp/endpoint.go b/pkg/tcpip/transport/udp/endpoint.go
index 52a5df691..7210b3a9f 100644
--- a/pkg/tcpip/transport/udp/endpoint.go
+++ b/pkg/tcpip/transport/udp/endpoint.go
@@ -21,6 +21,7 @@ import (
 	"gvisor.dev/gvisor/pkg/tcpip"
 	"gvisor.dev/gvisor/pkg/tcpip/buffer"
 	"gvisor.dev/gvisor/pkg/tcpip/header"
+	"gvisor.dev/gvisor/pkg/tcpip/iptables"
 	"gvisor.dev/gvisor/pkg/tcpip/stack"
 	"gvisor.dev/gvisor/pkg/waiter"
 )
@@ -172,6 +173,11 @@ func (e *endpoint) Close() {
 // ModerateRecvBuf implements tcpip.Endpoint.ModerateRecvBuf.
 func (e *endpoint) ModerateRecvBuf(copied int) {}
 
+// IPTables implements tcpip.Endpoint.IPTables.
+func (e *endpoint) IPTables() (iptables.IPTables, error) {
+	return e.stack.IPTables(), nil
+}
+
 // Read reads data from the endpoint. This method does not block if
 // there is no data pending.
 func (e *endpoint) Read(addr *tcpip.FullAddress) (buffer.View, tcpip.ControlMessages, *tcpip.Error) {
-- 
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