add hotplug stuff to trunk/

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@2364 3c298f89-4303-0410-b956-a3cf2f4a3e73

6 files changed, 124 insertions, 41 deletions

diff --git a/openwrt/package/base-files/default/etc/functions.sh b/openwrt/package/base-files/default/etc/functions.sh
index bc9767f49..9cfc80235 100755
--- a/openwrt/package/base-files/default/etc/functions.sh
+++ b/openwrt/package/base-files/default/etc/functions.sh
@@ -41,12 +41,14 @@ do_ifup() {
 		$DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
 		${gateway:+$DEBUG route add default gw $gateway}
 
-		[ -f /etc/resolv.conf ] && return
-
-		debug "# --- creating /etc/resolv.conf ---"
-		for dns in $(nvram get ${2}_dns); do
-			echo "nameserver $dns" >> /etc/resolv.conf
-		done
+		[ -f /etc/resolv.conf ] || {
+			debug "# --- creating /etc/resolv.conf ---"
+			for dns in $(nvram get ${2}_dns); do
+				echo "nameserver $dns" >> /etc/resolv.conf
+			done
+		}
+		
+		env -i ACTION="ifup" INTERFACE="${2}" PROTO=static /sbin/hotplug "iface" &
 	;;
 	dhcp)
 		DHCP_IP=$(nvram get ${2}_ipaddr)
@@ -64,6 +66,7 @@ do_ifup() {
 			sleep 1
 			kill -9 $oldpid
 		}
+		# hotplug events are handled by /usr/share/udhcpc/default.script
 	;;
 	none|"")
 	;;
diff --git a/openwrt/package/base-files/default/etc/hotplug.d/net/01-wds b/openwrt/package/base-files/default/etc/hotplug.d/net/01-wds
new file mode 100644
index 000000000..38bd69667
--- /dev/null
+++ b/openwrt/package/base-files/default/etc/hotplug.d/net/01-wds
@@ -0,0 +1,5 @@
+[ "${INTERFACE%%[0-9]*}" = "wds" ] && { 
+	ifconfig $INTERFACE 0.0.0.0 up
+	/usr/sbin/brctl addif br0 $INTERFACE
+}
+		
diff --git a/openwrt/package/base-files/default/etc/hotplug.d/usb/01-mount b/openwrt/package/base-files/default/etc/hotplug.d/usb/01-mount
new file mode 100644
index 000000000..c28ada204
--- /dev/null
+++ b/openwrt/package/base-files/default/etc/hotplug.d/usb/01-mount
@@ -0,0 +1,49 @@
+mount_storage() {
+	cd /dev/discs
+	for dev in disc*; do
+		[ -f /tmp/.${dev}_id ] || {
+			echo ${INTERFACE}${PRODUCT} > /tmp/.${dev}_id
+			mount | grep /mnt/${dev} || (
+				[ -d /mnt/. ] || {
+					mkdir -p /tmp/mnt
+					ln -s /tmp/mnt /
+				}
+				cd $dev
+				for part in part*; do
+					path=/mnt/${dev}_${part##*part}
+					mkdir -p ${path}
+					mount ${part} ${path}
+				done
+			)
+		}
+	done
+}
+
+umount_storage() {
+	for tmp in /tmp/.*_id; do
+		id=$(cat $tmp 2>&-)
+		[ "${INTERFACE}${PRODUCT}" = "$id" ] && {
+			rm -f $tmp
+			disc=${tmp##*disc}
+			disc=${disc%%_id}
+			for disc in /mnt/disc${disc}*; do
+				umount -f $disc || umount -l $disc
+			done
+		}
+	done
+}
+
+[ -f /proc/bus/usb/devices ] || mount -t usbfs none /proc/bus/usb
+
+case "$ACTION" in
+	add)
+		case "${INTERFACE%%/*}" in
+			8) mount_storage ;;
+		esac
+	;;
+	remove)
+		case "${INTERFACE%%/*}" in
+			8) umount_storage ;;
+		esac
+	;;
+esac
diff --git a/openwrt/package/base-files/default/sbin/hotplug b/openwrt/package/base-files/default/sbin/hotplug
new file mode 100755
index 000000000..57ee969cf
--- /dev/null
+++ b/openwrt/package/base-files/default/sbin/hotplug
@@ -0,0 +1,11 @@
+#!/bin/sh
+PATH=/bin:/sbin:/usr/bin:/usr/sbin
+LOGNAME=root
+USER=root
+export PATH LOGNAME USER
+
+[ \! -z "$1" -a -d /etc/hotplug.d/$1 ] && {
+	for script in $(ls /etc/hotplug.d/$1/* 2>&-); do (
+		[ -f $script ] && . $script
+	); done
+}
diff --git a/openwrt/package/base-files/default/sbin/ifdown b/openwrt/package/base-files/default/sbin/ifdown
index 147136949..f2f8bbfe8 100755
--- a/openwrt/package/base-files/default/sbin/ifdown
+++ b/openwrt/package/base-files/default/sbin/ifdown
@@ -1,13 +1,19 @@
-#!/bin/ash
+#!/bin/sh
 [ $# = 0 ] && { echo "  $0 <group>"; exit; }
 . /etc/functions.sh
-. /etc/network.overrides
+. /etc/network.overrides  
 [ "$FAILSAFE" != "true" -a -e /etc/config/network ] && . /etc/config/network
+
 type=$1
 debug "### ifdown $type ###"
+
 if=$(nvram get ${type}_ifname)
 proto=$(nvram get ${type}_proto)
 if_valid $if && $DEBUG ifconfig $if down
 kill $(cat /var/run/${if}.pid 2>&-) 2>&-
-[ "$if" = "ppp0" ] && killall pppd
 killall ifup.$proto >&- 2>&-
+case "$proto" in
+	pptp|pppoe) killall pppd >&- 2>&- ;;
+	static) env -i ACTION="ifdown" INTERFACE="$if" PROTO=static /sbin/hotplug "iface" ;;
+esac
+
diff --git a/openwrt/package/base-files/default/usr/share/udhcpc/default.script b/openwrt/package/base-files/default/usr/share/udhcpc/default.script
index 0c08985e7..9fac6286c 100755
--- a/openwrt/package/base-files/default/usr/share/udhcpc/default.script
+++ b/openwrt/package/base-files/default/usr/share/udhcpc/default.script
@@ -1,42 +1,51 @@
 #!/bin/sh
-# udhcpc script edited by Tim Riker <Tim@Rikers.org>
-# (slightly modified for OpenWrt)
-
 [ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
 
 RESOLV_CONF="/tmp/resolv.conf"
 
-case "$1" in
-        deconfig)
-                ifconfig $interface 0.0.0.0
-                ;;
-
-        renew|bound)
-                ifconfig $interface $ip \
-                netmask ${subnet:-255.255.255.0} \
-                broadcast ${broadcast:-+}
-
-                if [ -n "$router" ] ; then
-                        echo "deleting routers"
-                        while route del default gw 0.0.0.0 dev $interface ; do
-                                :
-                        done
-
-                        for i in $router ; do
-                                route add default gw $i dev $interface
-                        done
-                fi
-
-                echo -n > $RESOLV_CONF
-                ${domain:+echo search $domain} >> $RESOLV_CONF
-                for i in $dns ; do
-                        echo adding dns $i
-                        echo nameserver $i >> $RESOLV_CONF
+hotplug_event() {
+	nvram show 2>&- | grep _proto=dhcp | {
+		while :; do
+			read FOO
+			[ -z "$FOO" ] && break
+			FOO="${FOO%%_*}"
+			[ "$(nvram get ${FOO}_ifname)" = "${interface}" ] || continue
+			env -i ACTION="$1" INTERFACE="${FOO}" PROTO=dhcp /sbin/hotplug iface
+		done
+	}
+}
 
+case "$1" in
+	deconfig)
+		ifconfig $interface 0.0.0.0
+		hotplug_event ifdown
+	;;
+	renew|bound)
+		ifconfig $interface $ip \
+		netmask ${subnet:-255.255.255.0} \
+		broadcast ${broadcast:-+}
+
+		if [ -n "$router" ] ; then
+			echo "deleting routers"
+			while route del default gw 0.0.0.0 dev $interface ; do :; done
+					
+			for i in $router ; do
+				route add default gw $i dev $interface
+			done
+		fi
+
+		echo -n > $RESOLV_CONF
+		${domain:+echo search $domain} >> $RESOLV_CONF
+		for i in $dns ; do
+			echo adding dns $i
+			echo nameserver $i >> $RESOLV_CONF
+		done
+		
+		hotplug_event ifup
+		
 		# user rules
 		[ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
-
-                done
-                ;;
+	;;
 esac
+
 exit 0