X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/0bb68e81eca839c8eed0c629b403ac558ea662e6..29b117bb79a9a167c28f7e22ccb7b75ea51e9f4b:/package/base-files/default/etc/functions.sh diff --git a/package/base-files/default/etc/functions.sh b/package/base-files/default/etc/functions.sh index 9cfc80235..f7cb878bc 100755 --- a/package/base-files/default/etc/functions.sh +++ b/package/base-files/default/etc/functions.sh @@ -1,102 +1,120 @@ -#!/bin/ash -. /etc/nvram.sh +#!/bin/sh +# Copyright (C) 2006 OpenWrt.org +# Copyright (C) 2006 Fokus Fraunhofer alias debug=${DEBUG:-:} -# valid interface? -if_valid () ( - ifconfig "$1" >&- 2>&- || - [ "${1%%[0-9]}" = "br" ] || - { - [ "${1%%[0-9]}" = "vlan" ] && ( - i=${1#vlan} - hwname=$(nvram get vlan${i}hwname) - hwaddr=$(nvram get ${hwname}macaddr) - [ -z "$hwaddr" ] && return 1 - - vif=$(ifconfig -a | awk '/^eth.*'$hwaddr'/ {print $1; exit}' IGNORECASE=1) - debug "# vlan$i => $vif" - - $DEBUG ifconfig $vif up - $DEBUG vconfig add $vif $i 2>&- - ) - } || - { debug "# missing interface '$1' ignored"; false; } -) - -do_ifup() { - if_proto=$(nvram get ${2}_proto) - if=$(nvram get ${2}_ifname) - [ "${if%%[0-9]}" = "ppp" ] && if=$(nvram get ${if_proto}_ifname) +# newline +N=" +" + +_C=0 + +hotplug_dev() { + env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug net +} + +append() { + local var="$1" + local value="$2" + local sep="${3:- }" + eval "export ${var}=\"\${${var}:+\${${var}}${value:+$sep}}\$value\"" +} + +reset_cb() { + config_cb() { + return 0 + } + option_cb() { + return 0 + } +} +reset_cb + +config () { + local cfgtype="$1" + local name="$2" + _C=$(($_C + 1)) + name="${name:-cfg${_C}}" + config_cb "$cfgtype" "$name" + export CONFIG_SECTION="$name" + export CONFIG_${CONFIG_SECTION}_TYPE="$cfgtype" +} + +option () { + local varname="$1"; shift + export CONFIG_${CONFIG_SECTION}_${varname}="$*" + option_cb "$varname" "$*" +} + +config_rename() { + local OLD="$1" + local NEW="$2" + local oldsetting + local newvar - pidfile=/var/run/${if}.pid - [ -f $pidfile ] && $DEBUG kill $(cat $pidfile) - - case "$1" in - static) - ip=$(nvram get ${2}_ipaddr) - netmask=$(nvram get ${2}_netmask) - gateway=$(nvram get ${2}_gateway) - - $DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up - ${gateway:+$DEBUG route add default gw $gateway} - - [ -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 ${2}_ipaddr) - DHCP_NETMASK=$(nvram get ${2}_netmask) - $DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up - - DHCP_ARGS="-i $if ${DHCP_IP:+-r $DHCP_IP} -b -p $pidfile" - DHCP_HOSTNAME=$(nvram get ${2}_hostname) - DHCP_HOSTNAME=${DHCP_HOSTNAME%%.*} - [ -z $DHCP_HOSTNAME ] || DHCP_ARGS="$DHCP_ARGS -H $DHCP_HOSTNAME" - [ "$if_proto" = "pptp" ] && DHCP_ARGS="$DHCP_ARGS -n -q" || DHCP_ARGS="$DHCP_ARGS -R &" - oldpid=$(cat $pidfile) - ${DEBUG:-eval} "udhcpc $DHCP_ARGS" - pidof udhcpc | grep "$oldpid" >&- 2>&- && { - sleep 1 - kill -9 $oldpid - } - # hotplug events are handled by /usr/share/udhcpc/default.script - ;; - none|"") - ;; - *) - [ -x "/sbin/ifup.$1" ] && { $DEBUG /sbin/ifup.$1 ${2}; exit; } - echo "### ifup ${2}: ignored ${2}_proto=\"$1\" (not supported)" - ;; + [ -z "$OLD" -o -z "$NEW" ] && return + for oldsetting in `set | grep ^CONFIG_${OLD}_ | \ + sed -e 's/\(.*\)=.*$/\1/'` ; do + newvar="CONFIG_${NEW}_${oldsetting##CONFIG_${OLD}_}" + eval "${newvar}=\${$oldsetting}" + unset "$oldsetting" + done + [ "$CONFIG_SECTION" = "$OLD" ] && CONFIG_SECTION="$NEW" +} + +config_unset() { + config_set "$1" "$2" "" +} + +config_clear() { + [ -z "$CONFIG_SECTION" ] && return + for oldsetting in `set | grep ^CONFIG_${CONFIG_SECTION}_ | \ + sed -e 's/\(.*\)=.*$/\1/'` ; do + unset $oldsetting + done + unset CONFIG_SECTION +} + +config_load() { + CONFIG_SECTION= + local DIR="./" + _C=0 + [ \! -e "$1" -a -e "/etc/config/$1" ] && { + DIR="/etc/config/" + } + [ -e "$DIR$1" ] && { + CONFIG_FILENAME="$DIR$1" + . ${CONFIG_FILENAME} + } || return 1 + ${CD:+cd -} >/dev/null + ${CONFIG_SECTION:+config_cb} +} + +config_get() { + case "$3" in + "") eval "echo \"\${CONFIG_${1}_${2}}\"";; + *) eval "$1=\"\${CONFIG_${2}_${3}}\"";; esac } -bitcount () { - local c=$1 - echo $(( - c=((c>> 1)&0x55555555)+(c&0x55555555), - c=((c>> 2)&0x33333333)+(c&0x33333333), - c=((c>> 4)&0x0f0f0f0f)+(c&0x0f0f0f0f), - c=((c>> 8)&0x00ff00ff)+(c&0x00ff00ff), - c=((c>>16)&0x0000ffff)+(c&0x0000ffff) - )) +config_set() { + export CONFIG_${1}_${2}="${3}" } -valid_netmask () { - return $((-($1)&~$1)) +load_modules() { + sed 's/^[^#]/insmod &/' $* | ash 2>&- || : } -ip2int () ( - set $(echo $1 | tr '\.' ' ') - echo $(($1<<24|$2<<16|$3<<8|$4)) -) +include() { + for file in $(ls $1/*.sh 2>/dev/null); do + . $file + done +} -int2ip () { - echo $(($1>>24&255)).$(($1>>16&255)).$(($1>>8&255)).$(($1&255)) +find_mtd_part() { + local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')" + PART="${PART##mtd}" + echo "${PART:+/dev/mtdblock/$PART}" } +