From b84f1d4db25e6e7de29551d3fd9c3c10e0b731e1 Mon Sep 17 00:00:00 2001
From: David Crawshaw <crawshaw@tailscale.com>
Date: Mon, 22 Jun 2020 10:42:28 +1000
Subject: [PATCH] device: export Bind and remove socketfd shims for android

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
---
 device/bindsocketshim.go | 24 ------------------------
 device/device.go         |  6 ++++++
 2 files changed, 6 insertions(+), 24 deletions(-)

diff --git a/device/bindsocketshim.go b/device/bindsocketshim.go
index 68e1504..896c7d2 100644
--- a/device/bindsocketshim.go
+++ b/device/bindsocketshim.go
@@ -34,27 +34,3 @@ func (device *Device) BindSocketToInterface6(interfaceIndex uint32, blackhole bo
 	}
 	return nil
 }
-
-// TODO(crawshaw): this method is a compatibility shim. Replace with direct use of conn.
-func (device *Device) PeekLookAtSocketFd4() (fd int, err error) {
-	if device.net.bind == nil {
-		return -1, errors.New("Bind is not yet initialized")
-	}
-
-	if iface, ok := device.net.bind.(conn.PeekLookAtSocketFd); ok {
-		return iface.PeekLookAtSocketFd4()
-	}
-	return -1, errors.New("unimplemented")
-}
-
-// TODO(crawshaw): this method is a compatibility shim. Replace with direct use of conn.
-func (device *Device) PeekLookAtSocketFd6() (fd int, err error) {
-	if device.net.bind == nil {
-		return -1, errors.New("Bind is not yet initialized")
-	}
-
-	if iface, ok := device.net.bind.(conn.PeekLookAtSocketFd); ok {
-		return iface.PeekLookAtSocketFd6()
-	}
-	return -1, errors.New("unimplemented")
-}
diff --git a/device/device.go b/device/device.go
index 11119f9..c64432e 100644
--- a/device/device.go
+++ b/device/device.go
@@ -430,6 +430,12 @@ func unsafeCloseBind(device *Device) error {
 	return err
 }
 
+func (device *Device) Bind() conn.Bind {
+	device.net.Lock()
+	defer device.net.Unlock()
+	return device.net.bind
+}
+
 func (device *Device) BindSetMark(mark uint32) error {
 
 	device.net.Lock()