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authorFelix Fietkau <nbd@openwrt.org>2011-10-20 15:01:06 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-10-20 15:01:06 +0000
commitc2b5767572c7cece21f7739e416d59458278b7d8 (patch)
treebbb6d468090141c8fe0367f573272ec8289fa755 /package/base-files-network/files
parentfce837994043793008be610cb24154d649c7b190 (diff)
downloadupstream-c2b5767572c7cece21f7739e416d59458278b7d8.tar.gz
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base-files: move network related scripts to a separate package to make the transition to netifd easier
SVN-Revision: 28495
Diffstat (limited to 'package/base-files-network/files')
-rw-r--r--package/base-files-network/files/etc/hotplug.d/iface/00-netstate5
-rw-r--r--package/base-files-network/files/etc/hotplug.d/iface/10-routes137
-rw-r--r--package/base-files-network/files/etc/hotplug.d/net/10-net72
-rwxr-xr-xpackage/base-files-network/files/etc/init.d/network52
-rwxr-xr-xpackage/base-files-network/files/lib/network/config.sh444
-rwxr-xr-xpackage/base-files-network/files/sbin/ifdown57
-rwxr-xr-xpackage/base-files-network/files/sbin/ifup51
-rwxr-xr-xpackage/base-files-network/files/usr/share/udhcpc/default.script161
8 files changed, 979 insertions, 0 deletions
diff --git a/package/base-files-network/files/etc/hotplug.d/iface/00-netstate b/package/base-files-network/files/etc/hotplug.d/iface/00-netstate
new file mode 100644
index 0000000000..37b1e934eb
--- /dev/null
+++ b/package/base-files-network/files/etc/hotplug.d/iface/00-netstate
@@ -0,0 +1,5 @@
+[ ifup = "$ACTION" ] && {
+ uci_toggle_state network "$INTERFACE" up 1
+ uci_toggle_state network "$INTERFACE" connect_time $(sed -ne 's![^0-9].*$!!p' /proc/uptime)
+ [ -n "$DEVICE" ] && uci_toggle_state network "$INTERFACE" ifname "$DEVICE"
+}
diff --git a/package/base-files-network/files/etc/hotplug.d/iface/10-routes b/package/base-files-network/files/etc/hotplug.d/iface/10-routes
new file mode 100644
index 0000000000..d57a5b3c78
--- /dev/null
+++ b/package/base-files-network/files/etc/hotplug.d/iface/10-routes
@@ -0,0 +1,137 @@
+add_route() {
+ local config="$1"
+
+ # is this route intended for the
+ # $INTERFACE of this hotplug event
+ config_get interface "$config" interface
+ [ "$interface" != "$INTERFACE" ] && return 0
+
+ # get the real interface name from network config
+ config_get dev "$interface" ifname
+
+ config_get target "$config" target
+ config_get netmask "$config" netmask
+ config_get gateway "$config" gateway
+ config_get metric "$config" metric
+ config_get mtu "$config" mtu
+
+ # make sure there is a gateway and a target
+ [ -n "$target" ] || {
+ echo "Missing target in route section $config"
+ return 1
+ }
+ [ -n "$gateway" ] || {
+ config_get gateway "$interface" gateway
+ }
+
+ # handle "0.0.0.0" as "no gateway given" to allow
+ # defining gateway-less routes while still keeping
+ # the possibility to have static routes with a
+ # proper gateway on interfaces with dynamic ips
+ [ "$gateway" = "0.0.0.0" ] && gateway=""
+
+ dest="${netmask:+-net "$target" netmask "$netmask"}"
+ dest="${dest:--host "$target"}"
+
+ /sbin/route add $dest ${gateway:+gw "$gateway"} \
+ ${dev:+dev "$dev"} ${metric:+ metric "$metric"} \
+ ${mtu:+mss "$mtu"}
+}
+
+add_route6() {
+ local config="$1"
+
+ # is this route intended for the
+ # $INTERFACE of this hotplug event
+ config_get interface "$config" interface
+ [ "$interface" != "$INTERFACE" ] && return 0
+
+ # get the real interface name from network config
+ config_get dev "$interface" ifname
+
+ config_get target "$config" target
+ config_get gateway "$config" gateway
+ config_get metric "$config" metric
+ config_get mtu "$config" mtu
+
+ # make sure there is a gateway and a target
+ [ -n "$target" ] || {
+ echo "Missing target in route section $config"
+ return 1
+ }
+ [ -n "$gateway" ] || {
+ config_get gateway "$interface" gateway
+ }
+
+ /sbin/route -A inet6 add $target ${gateway:+gw "$gateway"} \
+ ${dev:+dev "$dev"} ${metric:+ metric "$metric"} \
+ ${mtu:+mss "$mtu"}
+}
+
+# Skip fake devices (e.g. relayd)
+grep -qs "^ *$DEVICE:" /proc/net/dev || exit 0
+
+case "$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_toggle_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 sysctls
+ local proto accept_ra send_rs
+
+ config_get proto "$INTERFACE" proto
+ if [ "$proto" = dhcp ]; then
+ accept_ra=1
+ send_rs=0
+ else
+ accept_ra=0
+ send_rs=1
+ fi
+
+ config_get_bool accept_ra "$INTERFACE" accept_ra $accept_ra
+ [ $accept_ra -eq 0 ] || {
+ logger -t ifup "Allowing Router Advertisements on $INTERFACE ($DEVICE)"
+ accept_ra=2
+ }
+ do_sysctl "net.ipv6.conf.$DEVICE.accept_ra" $accept_ra
+
+ config_get_bool send_rs "$INTERFACE" send_rs $send_rs
+ [ $send_rs -eq 0 ] || {
+ logger -t ifup "Enabling Router Solicitations on $INTERFACE ($DEVICE)"
+ send_rs=2
+ }
+ do_sysctl "net.ipv6.conf.$DEVICE.forwarding" $send_rs
+
+
+ # Setup routes
+ config_foreach "add_route" route
+ config_foreach "add_route6" route6
+ ;;
+ ifdown)
+ # Bring down named aliases
+ local device=$(uci_get_state network "$INTERFACE" device)
+ local ifn
+ for ifn in $(ifconfig | sed -ne "s/^\(\($DEVICE${device:+\|$device}\|br-$INTERFACE\):[^[:space:]]\+\).*/\1/p"); do
+ ifconfig "$ifn" down
+ done
+ ;;
+esac
+
diff --git a/package/base-files-network/files/etc/hotplug.d/net/10-net b/package/base-files-network/files/etc/hotplug.d/net/10-net
new file mode 100644
index 0000000000..013ece39ce
--- /dev/null
+++ b/package/base-files-network/files/etc/hotplug.d/net/10-net
@@ -0,0 +1,72 @@
+# Copyright (C) 2006 OpenWrt.org
+
+include /lib/network
+
+addif() {
+ # Ensure that ipv6 is loaded, autoloading happens later but ipv6 might be
+ # required now for interface setup.
+ [ -d /proc/sys/net/ipv6 ] || {
+ grep -q '^ipv6' /etc/modules.d/* && insmod ipv6
+ }
+
+ # PPP devices are configured by pppd, no need to run setup_interface here
+ case "$INTERFACE" in
+ 3g-*|ppp-*|pppoa-*|pppoe-*|pptp-*) return 0;;
+ esac
+
+ scan_interfaces
+ local cfg="$(find_config "$INTERFACE")"
+
+ case "$INTERFACE" in
+ # Skip wireless parent interfaces
+ ath[0-9]|wlan[0-9]) ;;
+ *)
+ # check the autoload setting
+ config_get auto "$cfg" auto
+ case "$auto" in
+ 1|on|enabled) setup_interface "$INTERFACE";;
+ esac
+ ;;
+ esac
+
+ # find all vlan configurations for this interface and set them up as well
+ for ifc in $interfaces; do
+ config_get iftype "$ifc" type
+ config_get ifs "$ifc" device
+ for dev in $ifs; do
+ [ "${dev%%\.*}" = "$INTERFACE" -a "$dev" != "$INTERFACE" ] && {
+ add_vlan "$dev"
+ }
+ done
+ done
+}
+
+
+delif() {
+ scan_interfaces
+
+ # find all vlan configurations for this interface and nuke 'em
+ for ifc in $interfaces; do
+ config_get iftype "$ifc" type
+ config_get ifs "$ifc" device
+ confdevs="$(uci_get network.$ifc.ifname)"
+ for dev in $ifs; do
+ [ "${dev%%\.*}" = "$INTERFACE" ] && {
+ list_contains confdevs "$dev" || list_remove ifs "$dev"
+ }
+ done
+ uci_set_state "network" "$ifc" device "$ifs"
+ done
+}
+
+case "$ACTION" in
+ add|register)
+ case "$PHYSDEVDRIVER" in
+ natsemi) sleep 1;;
+ esac
+ addif
+ ;;
+ remove|unregister)
+ delif
+ ;;
+esac
diff --git a/package/base-files-network/files/etc/init.d/network b/package/base-files-network/files/etc/init.d/network
new file mode 100755
index 0000000000..fc512216f8
--- /dev/null
+++ b/package/base-files-network/files/etc/init.d/network
@@ -0,0 +1,52 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2006-2011 OpenWrt.org
+
+START=40
+STOP=90
+
+boot() {
+ setup_switch() { return 0; }
+
+ include /lib/network
+ setup_switch
+
+ /sbin/wifi detect > /tmp/wireless.tmp
+ [ -s /tmp/wireless.tmp ] && {
+ cat /tmp/wireless.tmp >> /etc/config/wireless
+ }
+ rm -f /tmp/wireless.tmp
+ grep -qs config /etc/config/wireless && {
+ /sbin/wifi up
+ }
+
+ scan_interfaces
+
+ local ifc
+ for ifc in $interfaces; do
+ local proto
+ config_get proto "$ifc" proto
+
+ local auto
+ config_get_bool auto "$ifc" auto 1
+
+ type "coldplug_interface_$proto" >/dev/null && [ "$auto" = 1 ] && \
+ coldplug_interface_$proto "$ifc"
+ done
+}
+
+start() {
+ setup_switch() { return 0; }
+
+ include /lib/network
+ setup_switch
+ ifup -a
+ /sbin/wifi up
+}
+
+stop() {
+ ifdown -a
+}
+
+restart() {
+ start
+}
diff --git a/package/base-files-network/files/lib/network/config.sh b/package/base-files-network/files/lib/network/config.sh
new file mode 100755
index 0000000000..29d021af92
--- /dev/null
+++ b/package/base-files-network/files/lib/network/config.sh
@@ -0,0 +1,444 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+
+# DEBUG="echo"
+
+do_sysctl() {
+ [ -n "$2" ] && \
+ sysctl -n -e -w "$1=$2" >/dev/null || \
+ sysctl -n -e "$1"
+}
+
+map_sysctls() {
+ local cfg="$1"
+ local ifn="$2"
+
+ local fam
+ for fam in ipv4 ipv6; do
+ if [ -d /proc/sys/net/$fam ]; then
+ local key
+ for key in /proc/sys/net/$fam/*/$ifn/*; do
+ local val
+ config_get val "$cfg" "${fam}_${key##*/}"
+ [ -n "$val" ] && echo -n "$val" > "$key"
+ done
+ fi
+ done
+}
+
+find_config() {
+ local iftype device iface ifaces ifn
+ for ifn in $interfaces; do
+ config_get iftype "$ifn" type
+ config_get iface "$ifn" ifname
+ case "$iftype" in
+ bridge) config_get ifaces "$ifn" ifnames;;
+ esac
+ config_get device "$ifn" device
+ for ifc in $device $iface $ifaces; do
+ [ ."$ifc" = ."$1" ] && {
+ echo "$ifn"
+ return 0
+ }
+ done
+ done
+
+ return 1;
+}
+
+scan_interfaces() {
+ local cfgfile="${1:-network}"
+ interfaces=
+ config_cb() {
+ case "$1" in
+ interface)
+ config_set "$2" auto 1
+ ;;
+ esac
+ local iftype ifname device proto
+ config_get iftype "$CONFIG_SECTION" TYPE
+ case "$iftype" in
+ interface)
+ append interfaces "$CONFIG_SECTION"
+ config_get proto "$CONFIG_SECTION" proto
+ config_get iftype "$CONFIG_SECTION" type
+ config_get ifname "$CONFIG_SECTION" ifname
+ config_get device "$CONFIG_SECTION" device "$ifname"
+ config_set "$CONFIG_SECTION" device "$device"
+ case "$iftype" in
+ bridge)
+ config_set "$CONFIG_SECTION" ifnames "$device"
+ config_set "$CONFIG_SECTION" ifname br-"$CONFIG_SECTION"
+ ;;
+ esac
+ ( type "scan_$proto" ) >/dev/null 2>/dev/null && eval "scan_$proto '$CONFIG_SECTION'"
+ ;;
+ esac
+ }
+ config_load "${cfgfile}"
+}
+
+add_vlan() {
+ local vif="${1%\.*}"
+
+ [ "$1" = "$vif" ] || ifconfig "$1" >/dev/null 2>/dev/null || {
+ ifconfig "$vif" up 2>/dev/null >/dev/null || add_vlan "$vif"
+ $DEBUG vconfig add "$vif" "${1##*\.}"
+ return 0
+ }
+ return 1
+}
+
+# add dns entries if they are not in resolv.conf yet
+add_dns() {
+ local cfg="$1"; shift
+
+ remove_dns "$cfg"
+
+ # We may be called by pppd's ip-up which has a nonstandard umask set.
+ # Create an empty file here and force its permission to 0644, otherwise
+ # dnsmasq will not be able to re-read the resolv.conf.auto .
+ [ ! -f /tmp/resolv.conf.auto ] && {
+ touch /tmp/resolv.conf.auto
+ chmod 0644 /tmp/resolv.conf.auto
+ }
+
+ local dns
+ local add
+ for dns in "$@"; do
+ grep -qsE "^nameserver ${dns//./\\.}$" /tmp/resolv.conf.auto || {
+ add="${add:+$add }$dns"
+ echo "nameserver $dns" >> /tmp/resolv.conf.auto
+ }
+ done
+
+ [ -n "$cfg" ] && {
+ uci_toggle_state network "$cfg" dns "$add"
+ uci_toggle_state network "$cfg" resolv_dns "$add"
+ }
+}
+
+# remove dns entries of the given iface
+remove_dns() {
+ local cfg="$1"
+
+ [ -n "$cfg" ] && {
+ [ -f /tmp/resolv.conf.auto ] && {
+ local dns=$(uci_get_state network "$cfg" resolv_dns)
+ for dns in $dns; do
+ sed -i -e "/^nameserver ${dns//./\\.}$/d" /tmp/resolv.conf.auto
+ done
+ }
+
+ uci_revert_state network "$cfg" dns
+ uci_revert_state network "$cfg" resolv_dns
+ }
+}
+
+# sort the device list, drop duplicates
+sort_list() {
+ local arg="$*"
+ (
+ for item in $arg; do
+ echo "$item"
+ done
+ ) | sort -u
+}
+
+# Create the interface, if necessary.
+# Return status 0 indicates that the setup_interface() call should continue
+# Return status 1 means that everything is set up already.
+
+prepare_interface() {
+ local iface="$1"
+ local config="$2"
+ local macaddr="$3"
+
+ # if we're called for the bridge interface itself, don't bother trying
+ # to create any interfaces here. The scripts have already done that, otherwise
+ # the bridge interface wouldn't exist.
+ [ "br-$config" = "$iface" -o -e "$iface" ] && return 0;
+
+ ifconfig "$iface" 2>/dev/null >/dev/null && {
+ local proto
+ config_get proto "$config" proto
+
+ # make sure the interface is removed from any existing bridge and deconfigured,
+ # (deconfigured only if the interface is not set to proto=none)
+ unbridge "$iface"
+
+ local mtu macaddr txqueuelen
+ config_get mtu "$config" mtu
+ [ -n "$macaddr" ] || config_get macaddr "$config" macaddr
+ config_get txqueuelen "$config" txqueuelen
+ [ -n "$macaddr" ] && $DEBUG ifconfig "$iface" down
+ $DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} ${txqueuelen:+txqueuelen $txqueuelen} up
+
+ [ "$proto" = none ] || ifconfig "$iface" 0.0.0.0
+
+ # Apply sysctl settings
+ map_sysctls "$config" "$iface"
+ }
+
+ # Setup VLAN interfaces
+ add_vlan "$iface" && return 1
+ ifconfig "$iface" 2>/dev/null >/dev/null || return 0
+
+ # Setup bridging
+ local iftype
+ config_get iftype "$config" type
+ case "$iftype" in
+ bridge)
+ local macaddr
+ config_get macaddr "$config" macaddr
+ [ -x /usr/sbin/brctl ] && {
+ ifconfig "br-$config" 2>/dev/null >/dev/null && {
+ local newdevs devices
+ config_get devices "$config" device
+ for dev in $(sort_list "$devices" "$iface"); do
+ append newdevs "$dev"
+ done
+ uci_toggle_state network "$config" device "$newdevs"
+ $DEBUG ifconfig "$iface" 0.0.0.0
+ $DEBUG do_sysctl "net.ipv6.conf.$iface.disable_ipv6" 1
+ $DEBUG brctl addif "br-$config" "$iface"
+ # Bridge existed already. No further processing necesary
+ } || {
+ local stp igmp_snooping
+ config_get_bool stp "$config" stp 0
+ config_get_bool igmp_snooping "$config" igmp_snooping 1
+ $DEBUG brctl addbr "br-$config"
+ $DEBUG brctl setfd "br-$config" 0
+ $DEBUG ifconfig "$iface" 0.0.0.0
+ $DEBUG do_sysctl "net.ipv6.conf.$iface.disable_ipv6" 1
+ $DEBUG brctl addif "br-$config" "$iface"
+ $DEBUG brctl stp "br-$config" $stp
+ [ -z "$macaddr" ] && macaddr="$(cat /sys/class/net/$iface/address)"
+ echo $igmp_snooping > /sys/devices/virtual/net/br-$config/bridge/multicast_snooping 2>/dev/null
+ $DEBUG ifconfig "br-$config" hw ether $macaddr up
+ # Creating the bridge here will have triggered a hotplug event, which will
+ # result in another setup_interface() call, so we simply stop processing
+ # the current event at this point.
+ }
+ ifconfig "$iface" ${macaddr:+hw ether "${macaddr}"} up 2>/dev/null >/dev/null
+ return 1
+ }
+ ;;
+ esac
+ return 0
+}
+
+set_interface_ifname() {
+ local config="$1"
+ local ifname="$2"
+
+ local device
+ config_get device "$1" device
+ uci_toggle_state network "$config" ifname "$ifname"
+ uci_toggle_state network "$config" device "$device"
+}
+
+setup_interface_none() {
+ env -i ACTION="ifup" INTERFACE="$2" DEVICE="$1" PROTO=none /sbin/hotplug-call "iface" &
+}
+
+setup_interface_static() {
+ local iface="$1"
+ local config="$2"
+
+ local ipaddr netmask ip6addr
+ config_get ipaddr "$config" ipaddr
+ config_get netmask "$config" netmask
+ config_get ip6addr "$config" ip6addr
+ [ -z "$ipaddr" -o -z "$netmask" ] && [ -z "$ip6addr" ] && return 1
+
+ local gateway ip6gw dns bcast metric
+ config_get gateway "$config" gateway
+ config_get ip6gw "$config" ip6gw
+ config_get dns "$config" dns
+ config_get bcast "$config" broadcast
+ config_get metric "$config" metric
+
+ case "$ip6addr" in
+ */*) ;;
+ *:*) ip6addr="$ip6addr/64" ;;
+ esac
+
+ [ -z "$ipaddr" ] || $DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask" broadcast "${bcast:-+}"
+ [ -z "$ip6addr" ] || $DEBUG ifconfig "${iface%:*}" add "$ip6addr"
+ [ -z "$gateway" ] || $DEBUG route add default gw "$gateway" ${metric:+metric $metric} dev "$iface"
+ [ -z "$ip6gw" ] || $DEBUG route -A inet6 add default gw "$ip6gw" ${metric:+metric $metric} dev "${iface%:*}"
+ [ -z "$dns" ] || add_dns "$config" $dns
+
+ config_get type "$config" TYPE
+ [ "$type" = "alias" ] && return 0
+
+ env -i ACTION="ifup" INTERFACE="$config" DEVICE="$iface" PROTO=static /sbin/hotplug-call "iface" &
+}
+
+setup_interface_alias() {
+ local config="$1"
+ local parent="$2"
+ local iface="$3"
+
+ local cfg
+ config_get cfg "$config" interface
+ [ "$parent" == "$cfg" ] || return 0
+
+ # parent device and ifname
+ local p_device p_type
+ config_get p_device "$cfg" device
+ config_get p_type "$cfg" type
+
+ # select alias ifname
+ local layer use_iface
+ config_get layer "$config" layer 2
+ case "$layer:$p_type" in
+ # layer 3: e.g. pppoe-wan or pptp-vpn
+ 3:*) use_iface="$iface" ;;
+
+ # layer 2 and parent is bridge: e.g. br-wan
+ 2:bridge) use_iface="br-$cfg" ;;
+
+ # layer 1: e.g. eth0 or ath0
+ *) use_iface="$p_device" ;;
+ esac
+
+ # alias counter
+ local ctr
+ config_get ctr "$parent" alias_count 0
+ ctr="$(($ctr + 1))"
+ config_set "$parent" alias_count "$ctr"
+
+ # alias list
+ local list
+ config_get list "$parent" aliases
+ append list "$config"
+ config_set "$parent" aliases "$list"
+
+ use_iface="$use_iface:$ctr"
+ set_interface_ifname "$config" "$use_iface"
+
+ local proto
+ config_get proto "$config" proto "static"
+ case "${proto}" in
+ static)
+ setup_interface_static "$use_iface" "$config"
+ ;;
+ *)
+ echo "Unsupported type '$proto' for alias config '$config'"
+ return 1
+ ;;
+ esac
+}
+
+setup_interface() {
+ local iface="$1"
+ local config="$2"
+ local proto="$3"
+ local vifmac="$4"
+
+ [ -n "$config" ] || {
+ config=$(find_config "$iface")
+ [ "$?" = 0 ] || return 1
+ }
+
+ prepare_interface "$iface" "$config" "$vifmac" || return 0
+
+ [ "$iface" = "br-$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 "$iface" up
+ sleep 1
+ }
+
+ # Interface settings
+ set_interface_ifname "$config" "$iface"
+
+ [ -n "$proto" ] || config_get proto "$config" proto
+ case "$proto" in
+ static)
+ setup_interface_static "$iface" "$config"
+ ;;
+ dhcp)
+ # kill running udhcpc instance
+ local pidfile="/var/run/dhcp-${iface}.pid"
+ service_kill udhcpc "$pidfile"
+
+ local ipaddr netmask hostname proto1 clientid vendorid broadcast reqopts
+ config_get ipaddr "$config" ipaddr
+ config_get netmask "$config" netmask
+ config_get hostname "$config" hostname
+ config_get proto1 "$config" proto
+ config_get clientid "$config" clientid
+ config_get vendorid "$config" vendorid
+ config_get_bool broadcast "$config" broadcast 0
+ config_get reqopts "$config" reqopts
+
+ [ -z "$ipaddr" ] || \
+ $DEBUG ifconfig "$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
+
+ # additional request options
+ local opt dhcpopts
+ for opt in $reqopts; do
+ append dhcpopts "-O $opt"
+ done
+
+ # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
+ [ "$proto1" != "$proto" ] && append dhcpopts "-n -q" || append dhcpopts "-O rootpath -R &"
+ [ "$broadcast" = 1 ] && broadcast="-O broadcast" || broadcast=
+
+ $DEBUG eval udhcpc -t 0 -i "$iface" \
+ ${ipaddr:+-r $ipaddr} \
+ ${hostname:+-H $hostname} \
+ ${clientid:+-c $clientid} \
+ ${vendorid:+-V $vendorid} \
+ -b -p "$pidfile" $broadcast \
+ ${dhcpopts}
+ ;;
+ none)
+ setup_interface_none "$iface" "$config"
+ ;;
+ *)
+ if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then
+ eval "setup_interface_$proto '$iface' '$config' '$proto'"
+ else
+ echo "Interface type $proto not supported."
+ return 1
+ fi
+ ;;
+ esac
+}
+
+stop_interface_dhcp() {
+ local config="$1"
+
+ local ifname
+ config_get ifname "$config" ifname
+
+ local lock="/var/lock/dhcp-${ifname}"
+ [ -f "$lock" ] && lock -u "$lock"
+
+ remove_dns "$config"
+
+ local pidfile="/var/run/dhcp-${ifname}.pid"
+ service_kill udhcpc "$pidfile"
+
+ uci -P /var/state revert "network.$config"
+}
+
+unbridge() {
+ local dev="$1"
+ local brdev
+
+ [ -x /usr/sbin/brctl ] || return 0
+ brctl show 2>/dev/null | grep "$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" "$dev" 2>/dev/null >/dev/null
+ do_sysctl "net.ipv6.conf.$dev.disable_ipv6" 0
+ done
+ }
+}
diff --git a/package/base-files-network/files/sbin/ifdown b/package/base-files-network/files/sbin/ifdown
new file mode 100755
index 0000000000..1455a9de77
--- /dev/null
+++ b/package/base-files-network/files/sbin/ifdown
@@ -0,0 +1,57 @@
+#!/bin/sh
+# Copyright (C) 2006-2011 OpenWrt.org
+
+. /etc/functions.sh
+[ $# = 0 ] && { echo " $0 <group>"; exit; }
+
+case "$1" in
+ "-a")
+ [ -e "/tmp/resolv.conf.auto" ] && rm /tmp/resolv.conf.auto
+ config_cb() {
+ [ interface != "$1" -o -z "$2" ] || eval "$0 -w $2"
+ }
+ config_load network
+ exit 0
+ ;;
+ "-w") shift ;;
+esac
+
+include /lib/network
+scan_interfaces
+
+cfg=$1
+debug "### ifdown $cfg ###"
+
+config_get proto "$cfg" proto
+[ -z "$proto" ] && { echo "interface not found."; exit; }
+
+config_get iface "$cfg" device
+[ "static" = "$proto" -o "none" = "$proto" ] && {
+ env -i ACTION="ifdown" INTERFACE="$cfg" DEVICE="$iface" PROTO="$proto" /sbin/hotplug-call "iface"
+}
+
+# call interface stop handler
+( type "stop_interface_$proto" ) >/dev/null 2>/dev/null && eval "stop_interface_$proto '$cfg'"
+
+config_get ifname "$cfg" ifname
+config_get device "$cfg" device
+
+[ ."$device" != ."$ifname" ] || device=
+for dev in $ifname $device; do
+ ifconfig "$dev" 0.0.0.0 down >/dev/null 2>/dev/null
+done
+
+config_get iftype "$cfg" type
+[ "bridge" = "$iftype" ] && brctl delbr "$ifname" >/dev/null 2>/dev/null
+
+# remove the interface's dns entries
+remove_dns "$cfg"
+
+# remove the interface's network state
+uci_revert_state network "$1"
+
+# revert aliases state as well
+config_get aliases "$1" aliases
+for config in $aliases; do
+ uci_revert_state network "$config"
+done
diff --git a/package/base-files-network/files/sbin/ifup b/package/base-files-network/files/sbin/ifup
new file mode 100755
index 0000000000..5f8d80dc2d
--- /dev/null
+++ b/package/base-files-network/files/sbin/ifup
@@ -0,0 +1,51 @@
+#!/bin/sh
+# Copyright (C) 2006-2011 OpenWrt.org
+
+/sbin/ifdown "$@"
+
+. /etc/functions.sh
+[ $# = 0 ] && { echo " $0 <group>"; exit; }
+
+setup_wifi=1
+
+case "$1" in
+ "-a")
+ [ -e "/tmp/resolv.conf.auto" ] && rm /tmp/resolv.conf.auto
+ config_cb() {
+ [ interface != "$1" -o -z "$2" ] || eval "$0 -w $2"
+ }
+ config_load network
+ exit 0
+ ;;
+ "-w") setup_wifi=0; shift ;;
+esac
+
+if [ $setup_wifi -gt 0 ] && grep -q config /etc/config/wireless; then
+ find_related_radios() {
+ local wdev wnet
+ config_get wdev "$1" device
+ config_get wnet "$1" network
+
+ if [ -n "$wdev" ] && [ "$wnet" = "$network" ]; then
+ append radio_devs "$wdev" "$N"
+ fi
+ }
+
+ local radio_devs
+ local network="$1"
+ config_load wireless
+ config_foreach find_related_radios wifi-iface
+
+ local dev
+ for dev in $(echo "$radio_devs" | sort -u); do
+ /sbin/wifi up "$dev"
+ done
+fi
+
+include /lib/network
+scan_interfaces
+
+config_get ifname "$1" device
+for dev in ${ifname:-$1}; do
+ setup_interface "$dev" "$1"
+done
diff --git a/package/base-files-network/files/usr/share/udhcpc/default.script b/package/base-files-network/files/usr/share/udhcpc/default.script
new file mode 100755
index 0000000000..8dbff47475
--- /dev/null
+++ b/package/base-files-network/files/usr/share/udhcpc/default.script
@@ -0,0 +1,161 @@
+#!/bin/sh
+[ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
+
+. /etc/functions.sh
+include /lib/network
+RESOLV_CONF="/tmp/resolv.conf.auto"
+
+change_state () {
+ [ -n "$ifc" ] || return
+ uci_revert_state "$1" "$2" "$3" "$4"
+ uci_set_state "$1" "$2" "$3" "$4"
+}
+
+set_classless_routes() {
+ local max=128
+ local type
+ while [ -n "$1" -a -n "$2" -a $max -gt 0 ]; do
+ [ ${1##*/} -eq 32 ] && type=host || type=net
+ echo "udhcpc: adding route for $type $1 via $2"
+ route add -$type "$1" gw "$2" dev "$interface"
+ max=$(($max-1))
+ shift 2
+ done
+}
+
+setup_interface () {
+ local old_ip
+ local old_broadcast
+ local old_subnet
+ local old_router
+ local old_dns
+ local user_dns
+ local user_router
+ local user_metric
+
+ [ -n "$ifc" ] && {
+ old_ip="$(uci_get_state network "$ifc" ipaddr)"
+ old_broadcast="$(uci_get_state network "$ifc" broadcast)"
+ old_subnet="$(uci_get_state network "$ifc" netmask)"
+ }
+
+ [ "$ip" != "$old_ip" ] \
+ || [ "${broadcast:-+}" != "$old_broadcast" ] \
+ || [ "${subnet:-255.255.255.0}" != "$old_subnet" ] && {
+ echo "udhcpc: ifconfig $interface $ip netmask ${subnet:-255.255.255.0} broadcast ${broadcast:-+}"
+ ifconfig $interface $ip netmask ${subnet:-255.255.255.0} broadcast ${broadcast:-+}
+
+ change_state network "$ifc" ipaddr "$ip"
+ change_state network "$ifc" broadcast "${broadcast:-+}"
+ change_state network "$ifc" netmask "${subnet:-255.255.255.0}"
+ }
+
+
+ # Default Route
+ [ -n "$ifc" ] && {
+ change_state network "$ifc" lease_gateway "$router"
+ old_router="$(uci_get_state network "$ifc" gateway)"
+ user_router="$(uci_get network "$ifc" gateway)"
+ user_metric="$(uci_get network "$ifc" metric)"
+ [ -n "$user_router" ] && router="$user_router"
+ }
+
+ [ -n "$router" ] && [ "$router" != "0.0.0.0" ] && [ "$router" != "255.255.255.255" ] && [ "$router" != "$old_router" ] && {
+ echo "udhcpc: setting default routers: $router"
+
+ local valid_gw=""
+ for i in $router ; do
+ route add default gw $i ${user_metric:+metric $user_metric} dev $interface
+ valid_gw="${valid_gw:+$valid_gw|}$i"
+ done
+
+ eval $(route -n | awk '
+ /^0.0.0.0\W{9}('$valid_gw')\W/ {next}
+ /^0.0.0.0/ {print "route del -net "$1" gw "$2";"}
+ ')
+
+ change_state network "$ifc" gateway "$router"
+ }
+
+ # CIDR STATIC ROUTES (rfc3442)
+ [ -n "$staticroutes" ] && set_classless_routes $staticroutes
+ [ -n "$msstaticroutes" ] && set_classless_routes $msstaticroutes
+
+ # DNS
+ old_dns=$(uci_get_state network "$ifc" dns)
+ old_domain=$(uci_get_state network "$ifc" dnsdomain)
+ user_dns=$(uci_get "network.$ifc.dns")
+ [ -n "$user_dns" ] && dns="$user_dns"
+
+ [ -n "$dns" ] && [ "$dns" != "$old_dns" -o -n "$user_dns" ] && {
+ echo "udhcpc: setting dns servers: $dns"
+ add_dns "$ifc" $dns
+
+ [ -n "$domain" ] && [ "$domain" != "$old_domain" ] && {
+ echo "udhcpc: setting dns domain: $domain"
+ sed -i -e "${old_domain:+/^search $old_domain$/d; }/^search $domain$/d" "${RESOLV_CONF}"
+ echo "search $domain" >> "${RESOLV_CONF}"
+ change_state network "$ifc" dnsdomain "$domain"
+ }
+ }
+
+ [ -n "$ifc" ] || return
+
+ # UCI State
+ change_state network "$ifc" lease_server "$serverid"
+ change_state network "$ifc" lease_acquired "$(sed -ne 's![^0-9].*$!!p' /proc/uptime)"
+ change_state network "$ifc" lease_lifetime "$lease"
+ [ -n "$ntpsrv" ] && change_state network "$ifc" lease_ntpsrv "$ntpsrv"
+ [ -n "$timesvr" ] && change_state network "$ifc" lease_timesrv "$timesvr"
+ [ -n "$hostname" ] && change_state network "$ifc" lease_hostname "$hostname"
+ [ -n "$timezone" ] && change_state network "$ifc" lease_timezone "$timezone"
+
+
+ # Hotplug
+ env -i ACTION="$1" INTERFACE="$ifc" DEVICE="$ifname" PROTO=dhcp /sbin/hotplug-call iface
+}
+
+
+scan_interfaces
+applied=
+for ifc in $interfaces __default; do
+ if [ "$ifc" = __default ]; then
+ ifc=""
+ [ -n "$applied" ] && continue
+ else
+ config_get ifname "$ifc" ifname
+ [ "$ifname" = "$interface" ] || continue
+
+ config_get proto "$ifc" proto
+ [ "$proto" = "dhcp" ] || continue
+ applied=true
+ fi
+
+ case "$1" in
+ deconfig)
+ ifconfig "$interface" 0.0.0.0
+ [ -n "$ifc" ] && {
+ env -i ACTION="ifdown" INTERFACE="$ifc" DEVICE="$ifname" PROTO=dhcp /sbin/hotplug-call iface
+
+ config_get device "$ifc" device
+ config_get ifname "$ifc" ifname
+ config_get aliases "$ifc" aliases
+ uci_revert_state network "$ifc"
+ [ -n "$device" ] && uci_set_state network "$ifc" device "$device"
+ [ -n "$ifname" ] && uci_set_state network "$ifc" ifname "$ifname"
+ [ -n "$aliases" ] && uci_set_state network "$ifc" aliases "$aliases"
+ }
+ ;;
+ renew)
+ setup_interface update
+ ;;
+ bound)
+ setup_interface ifup
+ ;;
+ esac
+done
+
+# user rules
+[ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
+
+exit 0