add config option for autostart of network interfaces

[openwrt.git] / package / base-files / default / lib / network / config.sh

diff --git a/package/base-files/default/lib/network/config.sh b/package/base-files/default/lib/network/config.sh
index 59ec84a..502377b 100755 (executable)
--- a/package/base-files/default/lib/network/config.sh
+++ b/package/base-files/default/lib/network/config.sh
@@ -4,16 +4,15 @@
 # DEBUG="echo"
 
 find_config() {
 # DEBUG="echo"
 
 find_config() {

-       local type iface ifn
+       local iftype device iface ifaces ifn

        for ifn in $interfaces; do
        for ifn in $interfaces; do

-               config_get type "$ifn" type
+               config_get iftype "$ifn" type

                config_get iface "$ifn" ifname
                config_get iface "$ifn" ifname

-               case "$type" in
-                       bridge)
-                               config_get iface "$ifn" ifnames
-                       ;;
+               case "$iftype" in
+                       bridge) config_get ifaces "$ifn" ifnames;;

                esac
                esac

-               for ifc in $iface; do
+               config_get device "$ifn" device
+               for ifc in $device $iface $ifaces; do

                        [ "$ifc" = "$1" ] && {
                                echo "$ifn"
                                return 0
                        [ "$ifc" = "$1" ] && {
                                echo "$ifn"
                                return 0


@@ -25,23 +24,29 @@ find_config() {
 }
 
 scan_interfaces() {
 }
 
 scan_interfaces() {

-       local mode type iface
+       local mode iftype iface ifname device

        interfaces=
        config_cb() {
        interfaces=
        config_cb() {

-               config_get type "$CONFIG_SECTION" TYPE
-               case "$type" in
+               case "$1" in

                        interface)
                        interface)

-                               config_get type "$CONFIG_SECTION" type
-                               config_get mode "$CONFIG_SECTION" proto
-                               case "$type" in
+                               config_set "$2" auto 1
+                       ;;
+               esac
+               config_get iftype "$CONFIG_SECTION" TYPE
+               case "$iftype" in
+                       interface)
+                               config_get proto "$CONFIG_SECTION" proto
+                               append interfaces "$CONFIG_SECTION"
+                               config_get iftype "$CONFIG_SECTION" type
+                               config_get ifname "$CONFIG_SECTION" ifname
+                               config_set "$CONFIG_SECTION" device "$ifname"
+                               case "$iftype" in

                                        bridge)
                                        bridge)

-                                               config_get iface "$CONFIG_SECTION" ifname
-                                               iface="${iface:-br-$CONFIG_SECTION}"
-                                               config_set "$CONFIG_SECTION" ifname "$iface"
+                                               config_set "$CONFIG_SECTION" ifnames "$ifname"
+                                               config_set "$CONFIG_SECTION" ifname br-"$CONFIG_SECTION"

                                        ;;
                                esac
                                        ;;
                                esac

-                               append interfaces "$CONFIG_SECTION"
-                               ( type "scan_$mode" ) >/dev/null 2>/dev/null && eval "scan_$mode '$CONFIG_SECTION'"
+                               ( type "scan_$proto" ) >/dev/null 2>/dev/null && eval "scan_$proto '$CONFIG_SECTION'"

                        ;;
                esac
        }
                        ;;
                esac
        }


@@ -60,35 +65,36 @@ add_vlan() {
 setup_interface() {
        local iface="$1"
        local config="$2"
 setup_interface() {
        local iface="$1"
        local config="$2"

-       local proto="$3"
+       local proto

 
        [ -n "$config" ] || {
                config=$(find_config "$iface")
                [ "$?" = 0 ] || return 1
        }
 
 
        [ -n "$config" ] || {
                config=$(find_config "$iface")
                [ "$?" = 0 ] || return 1
        }
 

-       [ -n "$proto" ] || {
-               config_get proto "$config" proto
-       }
-
+       proto="${3:-$(config_get "$config" proto)}"

        config_get iftype "$config" type
        
        config_get iftype "$config" type
        

+       ifconfig "$iface" 2>/dev/null >/dev/null && {
+               # make sure the interface is removed from any existing bridge
+               unbridge "$iface"
+       }
+

        # Setup VLAN interfaces
        add_vlan "$iface"
 
        # Setup bridging
        case "$iftype" in
                bridge)
        # Setup VLAN interfaces
        add_vlan "$iface"
 
        # Setup bridging
        case "$iftype" in
                bridge)

-                       config_get bridge_ifname "$config" ifname

                        ifconfig "$iface" up 2>/dev/null >/dev/null
                        ifconfig "$iface" up 2>/dev/null >/dev/null

-                       ifconfig "$bridge_ifname" 2>/dev/null >/dev/null && {
-                               $DEBUG brctl addif "$bridge_ifname" "$iface"
+                       ifconfig "br-$config" 2>/dev/null >/dev/null && {
+                               $DEBUG brctl addif "br-$config" "$iface"

                                return 0
                        } || {
                                return 0
                        } || {

-                               $DEBUG brctl addbr "$bridge_ifname"
-                               $DEBUG brctl setfd "$bridge_ifname" 0
-                               $DEBUG brctl addif "$bridge_ifname" "$iface"
-                               iface="$bridge_ifname"
+                               $DEBUG brctl addbr "br-$config"
+                               $DEBUG brctl setfd "br-$config" 0
+                               $DEBUG brctl addif "br-$config" "$iface"
+                               iface="br-$config"

                        }
                ;;
        esac
                        }
                ;;
        esac


@@ -119,8 +125,13 @@ setup_interface() {
                        env -i ACTION="ifup" INTERFACE="config" DEVICE="$iface" PROTO=static /sbin/hotplug "iface" &
                ;;
                dhcp)
                        env -i ACTION="ifup" INTERFACE="config" DEVICE="$iface" PROTO=static /sbin/hotplug "iface" &
                ;;
                dhcp)

+                       # prevent udhcpc from starting more than once
+                       lock "/var/lock/dhcp-$iface"

                        pid="$(cat "$pidfile" 2>/dev/null)"
                        pid="$(cat "$pidfile" 2>/dev/null)"

-                       [ -n "$pid" -a -d "/proc/$pid" ] && kill -9 "$pid"
+                       [ -d "/proc/$pid" ] && grep udhcpc "/proc/${pid}/cmdline" >/dev/null 2>/dev/null && {
+                               lock -u "/var/lock/dhcp-$iface"
+                               return 0
+                       }

 
                        config_get ipaddr "$config" ipaddr
                        config_get netmask "$config" netmask
 
                        config_get ipaddr "$config" ipaddr
                        config_get netmask "$config" netmask


@@ -133,6 +144,7 @@ setup_interface() {
                        # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
                        [ "$proto1" != "$proto" ] && dhcpopts="-n -q"
                        $DEBUG udhcpc -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} -b -p "$pidfile" ${dhcpopts:- -R &}
                        # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
                        [ "$proto1" != "$proto" ] && dhcpopts="-n -q"
                        $DEBUG udhcpc -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} -b -p "$pidfile" ${dhcpopts:- -R &}

+                       lock -u "/var/lock/dhcp-$iface"

                ;;
                *)
                        if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then
                ;;
                *)
                        if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then


@@ -145,3 +157,15 @@ setup_interface() {
        esac
 }
 
        esac
 }
 

+unbridge() {
+       local dev="$1"
+       local brdev
+
+       brctl show | grep "$dev" >/dev/null && {
+               # interface is still part of a bridge, correct that
+
+               for brdev in $(brctl show | awk '$2 ~ /^[0-9].*\./ { print $1 }'); do
+                       brctl delif "$brdev" "$dev" 2>/dev/null >/dev/null
+               done
+       }
+}