From 60ab5bff4c873d875d39293d21945941b4c4ecd1 Mon Sep 17 00:00:00 2001
From: Holger Hans Peter Freyther <holger@moiji-mobile.com>
Date: Sat, 14 Feb 2015 19:38:54 +0100
Subject: [PATCH] busybox/05default: Add the script that is used in dora

There was a bugfix in regard to broadcast addresses in
master but I decided to not take the fix as I want to
stay close to the other builds.
---
 .../busybox/files/sysmocom-idu/simple.script  | 86 +++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 recipes-core/busybox/files/sysmocom-idu/simple.script

diff --git a/recipes-core/busybox/files/sysmocom-idu/simple.script b/recipes-core/busybox/files/sysmocom-idu/simple.script
new file mode 100644
index 0000000..78ac424
--- /dev/null
+++ b/recipes-core/busybox/files/sysmocom-idu/simple.script
@@ -0,0 +1,86 @@
+#!/bin/sh
+
+# udhcpc script edited by Tim Riker <Tim@Rikers.org>
+
+[ -z "$1" ] && echo "Error: should be called from udhcpc" && exit 1
+
+RESOLV_CONF="/etc/resolv.conf"
+[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
+[ -n "$subnet" ] && NETMASK="netmask $subnet"
+
+# return 0 if root is mounted on a network filesystem
+root_is_nfs() {
+	sed -n 's/^[^ ]* \([^ ]*\) \([^ ]*\) .*$/\1 \2/p' /proc/mounts |
+	grep -q "^/ \(nfs\|smbfs\|ncp\|coda\)$"
+}
+
+have_bin_ip=0
+if [ -x /sbin/ip ]; then
+  have_bin_ip=1
+fi
+
+case "$1" in
+	deconfig)
+		if [ -x /sbin/resolvconf ]; then
+			/sbin/resolvconf -d "${interface}.udhcpc"
+		fi
+		if ! root_is_nfs ; then
+                        if [ $have_bin_ip -eq 1 ]; then
+                                ip addr flush dev $interface
+                                ip link set dev $interface up
+                        else
+                                /sbin/ifconfig $interface 0.0.0.0
+                        fi
+		fi
+		;;
+
+	renew|bound)
+                if [ $have_bin_ip -eq 1 ]; then
+                        ip addr add dev $interface local $ip/$mask $BROADCAST
+                else
+                        /sbin/ifconfig $interface $ip $BROADCAST $NETMASK
+                fi
+
+		if [ -n "$router" ] ; then
+			if ! root_is_nfs ; then
+                                if [ $have_bin_ip -eq 1 ]; then
+                                        while ip route del default 2>/dev/null ; do
+                                                :
+                                        done
+                                else
+                                        while route del default gw 0.0.0.0 dev $interface 2>/dev/null ; do
+                                                :
+                                        done
+                                fi
+			fi
+
+			metric=0
+			for i in $router ; do
+                                if [ $have_bin_ip -eq 1 ]; then
+                                        ip route add default via $i metric $metric
+                                else
+                                        route add default gw $i dev $interface metric $metric 2>/dev/null
+                                fi
+                                metric=$(($metric + 1))
+			done
+		fi
+
+		# Update resolver configuration file
+		R=""
+		[ -n "$domain" ] && R="domain $domain
+"
+		for i in $dns; do
+			echo "$0: Adding DNS $i"
+			R="${R}nameserver $i
+"
+		done
+
+		if [ -x /sbin/resolvconf ]; then
+			echo -n "$R" | /sbin/resolvconf -a "${interface}.udhcpc"
+		else
+			echo -n "$R" > "$RESOLV_CONF"
+		fi
+		;;
+esac
+
+exit 0