From b3f04bdeb4d4858e55c288621b3a49e363ab4ac0 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Thu, 14 Jan 2010 19:02:19 +0000
Subject: [PATCH] ntpclient: add option to bind ntpclient to a specific
 interface (#6470)

SVN-Revision: 19134
---
 net/ntpclient/Makefile                |  4 ++--
 net/ntpclient/files/ntpclient.config  |  1 +
 net/ntpclient/files/ntpclient.hotplug | 14 ++++++++++++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/net/ntpclient/Makefile b/net/ntpclient/Makefile
index f2ceae9c4..6f7d0b8b8 100644
--- a/net/ntpclient/Makefile
+++ b/net/ntpclient/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2006-2009 OpenWrt.org
+# Copyright (C) 2006-2010 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ntpclient
 PKG_VERSION:=2007_365
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 
 PKG_SOURCE:=$(PKG_NAME)_$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://doolittle.icarus.com/ntpclient/
diff --git a/net/ntpclient/files/ntpclient.config b/net/ntpclient/files/ntpclient.config
index c1402578f..10be88626 100644
--- a/net/ntpclient/files/ntpclient.config
+++ b/net/ntpclient/files/ntpclient.config
@@ -20,3 +20,4 @@ config ntpdrift
 config ntpclient
 	option interval	600
 	#option count	10
+	#option interface wan
diff --git a/net/ntpclient/files/ntpclient.hotplug b/net/ntpclient/files/ntpclient.hotplug
index 7399264d1..c932688c9 100644
--- a/net/ntpclient/files/ntpclient.hotplug
+++ b/net/ntpclient/files/ntpclient.hotplug
@@ -7,14 +7,26 @@ unset SERVER
 unset PORT
 unset INTERVAL
 unset COUNT
+unset INTERFACE_GLOBAL
+
 NTPC=`which ntpclient`
 
 check_server() {
 	local hostname
 	local port
+	local interface
 	[ -n "$SERVER" ] && return
 	config_get hostname $1 hostname
 	config_get port $1 port
+	config_get interface $1 interface
+
+	[ -z "$interface" ] && interface=$INTERFACE_GLOBAL
+
+	[ -n "$interface" ] && {
+		# $INTERFACE is passed from hotplug event
+		[ "$interface" = "$INTERFACE" ] || return
+	}
+
 	[ -z "$hostname" ] && return
 	$NTPC -c 1 -p ${port:-123} -i 2 -h $hostname > /dev/null && { SERVER=$hostname; PORT=${port:-123}; }
 }
@@ -44,9 +56,11 @@ load_settings() {
 	
 	config_get interval $1 interval
 	config_get count $1 count
+	config_get interface $1 interface
 	
 	[ -n "$count" ] && COUNT=$count
 	[ -n "$interval" ] && INTERVAL=$interval
+	[ -n "$interface" ] && INTERFACE_GLOBAL=$interface
 }
 
 config_load ntpclient
-- 
2.30.2