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rename default/ to files/
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5622 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
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171
package/base-files/files/lib/network/config.sh
Executable file
171
package/base-files/files/lib/network/config.sh
Executable file
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#!/bin/sh
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# Copyright (C) 2006 OpenWrt.org
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# DEBUG="echo"
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find_config() {
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local iftype device iface ifaces ifn
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for ifn in $interfaces; do
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config_get iftype "$ifn" type
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config_get iface "$ifn" ifname
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case "$iftype" in
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bridge) config_get ifaces "$ifn" ifnames;;
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esac
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config_get device "$ifn" device
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for ifc in $device $iface $ifaces; do
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[ "$ifc" = "$1" ] && {
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echo "$ifn"
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return 0
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}
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done
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done
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return 1;
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}
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scan_interfaces() {
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local mode iftype iface ifname device
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interfaces=
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config_cb() {
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case "$1" in
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interface)
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config_set "$2" auto 1
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;;
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esac
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config_get iftype "$CONFIG_SECTION" TYPE
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case "$iftype" in
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interface)
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config_get proto "$CONFIG_SECTION" proto
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append interfaces "$CONFIG_SECTION"
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config_get iftype "$CONFIG_SECTION" type
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config_get ifname "$CONFIG_SECTION" ifname
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config_set "$CONFIG_SECTION" device "$ifname"
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case "$iftype" in
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bridge)
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config_set "$CONFIG_SECTION" ifnames "$ifname"
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config_set "$CONFIG_SECTION" ifname br-"$CONFIG_SECTION"
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;;
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esac
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( type "scan_$proto" ) >/dev/null 2>/dev/null && eval "scan_$proto '$CONFIG_SECTION'"
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;;
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esac
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}
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config_load network
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}
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add_vlan() {
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local vif="${1%\.*}"
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[ "$1" = "$vif" ] || ifconfig "$1" >/dev/null 2>/dev/null || {
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ifconfig "$vif" up 2>/dev/null >/dev/null || add_vlan "$vif"
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$DEBUG vconfig add "$vif" "${1##*\.}"
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}
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}
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setup_interface() {
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local iface="$1"
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local config="$2"
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local proto
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[ -n "$config" ] || {
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config=$(find_config "$iface")
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[ "$?" = 0 ] || return 1
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}
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proto="${3:-$(config_get "$config" proto)}"
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config_get iftype "$config" type
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ifconfig "$iface" 2>/dev/null >/dev/null && {
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# make sure the interface is removed from any existing bridge
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unbridge "$iface"
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}
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# Setup VLAN interfaces
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add_vlan "$iface"
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# Setup bridging
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case "$iftype" in
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bridge)
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ifconfig "$iface" up 2>/dev/null >/dev/null
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ifconfig "br-$config" 2>/dev/null >/dev/null && {
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$DEBUG brctl addif "br-$config" "$iface"
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return 0
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} || {
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$DEBUG brctl addbr "br-$config"
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$DEBUG brctl setfd "br-$config" 0
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$DEBUG brctl addif "br-$config" "$iface"
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iface="br-$config"
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}
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;;
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esac
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# Interface settings
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config_get mtu "$config" mtu
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$DEBUG ifconfig "$iface" ${mtu:+mtu $mtu} up
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pidfile="/var/run/$iface.pid"
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case "$proto" in
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static)
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config_get ipaddr "$config" ipaddr
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config_get netmask "$config" netmask
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[ -z "$ipaddr" -o -z "$netmask" ] && return 1
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config_get ip6addr "$config" ip6addr
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config_get gateway "$config" gateway
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config_get dns "$config" dns
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$DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask"
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[ -z "$gateway" ] || route add default gw "$gateway"
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[ -z "$dns" -o -f /tmp/resolv.conf ] || {
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for ns in $dns; do
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echo "nameserver $ns" >> /tmp/resolv.conf
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done
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}
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env -i ACTION="ifup" INTERFACE="$config" DEVICE="$iface" PROTO=static /sbin/hotplug "iface" &
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;;
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dhcp)
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# prevent udhcpc from starting more than once
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lock "/var/lock/dhcp-$iface"
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pid="$(cat "$pidfile" 2>/dev/null)"
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[ -d "/proc/$pid" ] && grep udhcpc "/proc/${pid}/cmdline" >/dev/null 2>/dev/null && {
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lock -u "/var/lock/dhcp-$iface"
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return 0
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}
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config_get ipaddr "$config" ipaddr
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config_get netmask "$config" netmask
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config_get hostname "$config" hostname
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config_get proto1 "$config" proto
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[ -z "$ipaddr" ] || \
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$DEBUG ifconfig "$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
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# don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
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[ "$proto1" != "$proto" ] && dhcpopts="-n -q"
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$DEBUG eval udhcpc -t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} -b -p "$pidfile" ${dhcpopts:- -R &}
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lock -u "/var/lock/dhcp-$iface"
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;;
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*)
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if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then
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eval "setup_interface_$proto '$iface' '$config' '$proto'"
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else
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echo "Interface type $proto not supported."
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return 1
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fi
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;;
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esac
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}
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unbridge() {
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local dev="$1"
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local brdev
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brctl show | grep "$dev" >/dev/null && {
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# interface is still part of a bridge, correct that
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for brdev in $(brctl show | awk '$2 ~ /^[0-9].*\./ { print $1 }'); do
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brctl delif "$brdev" "$dev" 2>/dev/null >/dev/null
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done
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}
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}
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