From 75941a19ac3c9fea6afaae720d3b1dafc4a63a8e Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Tue, 1 Jun 2010 21:43:52 +0000
Subject: base-file: move alias setup to route hotplug, this fixes alias
 sections for non-static interfaces like ppp, dhcp, 6in4 etc.

SVN-Revision: 21652
---
 .../base-files/files/etc/hotplug.d/iface/10-routes | 28 ++++++++++++
 package/base-files/files/lib/network/config.sh     | 52 +++++++---------------
 2 files changed, 44 insertions(+), 36 deletions(-)

(limited to 'package/base-files/files')

diff --git a/package/base-files/files/etc/hotplug.d/iface/10-routes b/package/base-files/files/etc/hotplug.d/iface/10-routes
index 011668218c..118c1a665d 100644
--- a/package/base-files/files/etc/hotplug.d/iface/10-routes
+++ b/package/base-files/files/etc/hotplug.d/iface/10-routes
@@ -68,7 +68,35 @@ case "$ACTION" in
 	ifup)
 		include /lib/network
 		scan_interfaces
+
+		# Setup aliases
+		config_set "$INTERFACE" aliases ""
+		config_set "$INTERFACE" alias_count 0
+		config_foreach setup_interface_alias alias "$INTERFACE" "$DEVICE"
+
+		# Save alias references in state vars
+		local aliases
+		config_get aliases "$INTERFACE" aliases
+		[ -z "$aliases" ] || uci_set_state network "$INTERFACE" aliases "$aliases"
+
+		# Make ip6addr of parent iface the main address again
+		local ip6addr
+		config_get ip6addr "$INTERFACE" ip6addr
+		[ -z "$ip6addr" ] || {
+			ifconfig "$DEVICE" del "$ip6addr"
+			ifconfig "$DEVICE" add "$ip6addr"
+		}
+
+		# Setup routes
 		config_foreach "add_route" route
 		config_foreach "add_route6" route6
 	;;
+	ifdown)
+		# Bring down named aliases
+		local ifn
+		for ifn in $(ifconfig | sed -ne "s/^\($DEVICE:[^[:space:]]\+\).*/\1/p"); do
+			ifconfig "$ifn" down
+		done
+	;;
 esac
+
diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh
index 1bb3a46ecd..a31e83688f 100755
--- a/package/base-files/files/lib/network/config.sh
+++ b/package/base-files/files/lib/network/config.sh
@@ -275,49 +275,47 @@ setup_interface_alias() {
 }
 
 setup_interface() {
-	local iface_main="$1"
+	local iface="$1"
 	local config="$2"
 	local proto="$3"
 	local vifmac="$4"
-	local ip6addr_main=
 
 	[ -n "$config" ] || {
-		config=$(find_config "$iface_main")
+		config=$(find_config "$iface")
 		[ "$?" = 0 ] || return 1
 	}
 
-	prepare_interface "$iface_main" "$config" "$vifmac" || return 0
+	prepare_interface "$iface" "$config" "$vifmac" || return 0
 
-	[ "$iface_main" = "br-$config" ] && {
+	[ "$iface" = "br-$config" ] && {
 		# need to bring up the bridge and wait a second for
 		# it to switch to the 'forwarding' state, otherwise
 		# it will lose its routes...
-		ifconfig "$iface_main" up
+		ifconfig "$iface" up
 		sleep 1
 	}
 
 	# Interface settings
-	grep "$iface_main:" /proc/net/dev > /dev/null && {
+	grep "$iface:" /proc/net/dev > /dev/null && {
 		local mtu macaddr
 		config_get mtu "$config" mtu
 		config_get macaddr "$config" macaddr
-		[ -n "$macaddr" ] && $DEBUG ifconfig "$iface_main" down
-		$DEBUG ifconfig "$iface_main" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
+		[ -n "$macaddr" ] && $DEBUG ifconfig "$iface" down
+		$DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
 	}
-	set_interface_ifname "$config" "$iface_main"
+	set_interface_ifname "$config" "$iface"
 
 	[ -n "$proto" ] || config_get proto "$config" proto
 	case "$proto" in
 		static)
-			config_get ip6addr_main "$config" ip6addr
-			setup_interface_static "$iface_main" "$config"
+			setup_interface_static "$iface" "$config"
 		;;
 		dhcp)
-			local lockfile="/var/lock/dhcp-$iface_main"
+			local lockfile="/var/lock/dhcp-$iface"
 			lock "$lockfile"
 
 			# prevent udhcpc from starting more than once
-			local pidfile="/var/run/dhcp-${iface_main}.pid"
+			local pidfile="/var/run/dhcp-${iface}.pid"
 			local pid="$(cat "$pidfile" 2>/dev/null)"
 			if [ -d "/proc/$pid" ] && grep -qs udhcpc "/proc/${pid}/cmdline"; then
 				lock -u "$lockfile"
@@ -330,45 +328,27 @@ setup_interface() {
 				config_get clientid "$config" clientid
 
 				[ -z "$ipaddr" ] || \
-					$DEBUG ifconfig "$iface_main" "$ipaddr" ${netmask:+netmask "$netmask"}
+					$DEBUG ifconfig "$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
 
 				# don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
 				local dhcpopts
 				[ ."$proto1" != ."$proto" ] && dhcpopts="-n -q"
-				$DEBUG eval udhcpc -t 0 -i "$iface_main" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -O rootpath -R &}
+				$DEBUG eval udhcpc -t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -O rootpath -R &}
 				lock -u "$lockfile"
 			fi
 		;;
 		none)
-			setup_interface_none "$iface_main" "$config"
+			setup_interface_none "$iface" "$config"
 		;;
 		*)
 			if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then
-				eval "setup_interface_$proto '$iface_main' '$config' '$proto'"
+				eval "setup_interface_$proto '$iface' '$config' '$proto'"
 			else
 				echo "Interface type $proto not supported."
 				return 1
 			fi
 		;;
 	esac
-	[ "$proto" = none ] || {
-		for ifn in `ifconfig | grep "^$iface_main:" | awk '{print $1}'`; do
-			ifconfig "$ifn" down
-		done
-	}
-
-	local aliases
-	config_set "$config" aliases ""
-	config_set "$config" alias_count 0
-	config_foreach setup_interface_alias alias "$config" "$iface_main"
-	config_get aliases "$config" aliases
-	[ -z "$aliases" ] || uci_set_state network "$config" aliases "$aliases"
-
-	# put the ip6addr back to the beginning to become the main ip again
-	[ -z "$ip6addr_main" ] || {
-		$DEBUG ifconfig "$iface_main" del "$ip6addr_main"
-		$DEBUG ifconfig "$iface_main" add "$ip6addr_main"
-	}
 }
 
 stop_interface_dhcp() {
-- 
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