-#!/bin/ash
-
+#!/bin/sh
alias debug=${DEBUG:-:}
-# allow env to override nvram
-nvram () {
- case $1 in
- get) eval "echo \${NVRAM_$2:-\$(command nvram get $2)}";;
- *) command nvram $*;;
- esac
-}
-. /etc/nvram.overrides
-
# 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; }
)
-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)
- ))
+hotplug_dev() {
+ env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug net
+}
+
+config_cb() {
+ return 0
+}
+option_cb() {
+ return 0
}
-valid_netmask () {
- return $((-($1)&~$1))
+config () {
+ config_cb "$@"
+ _C=$((${_C:-0} + 1))
+ export CONFIG_SECTION="${2:-cfg${_C}}"
+ export CONFIG_${CONFIG_SECTION}_TYPE="$1"
}
-ip2int () (
- set $(echo $1 | tr '\.' ' ')
- echo $(($1<<24|$2<<16|$3<<8|$4))
-)
+option () {
+ local varname="$1" ; shift
+ export CONFIG_${CONFIG_SECTION}_${varname}="$*"
+ option_cb "$varname" "$*"
+}
+
+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() {
+ local CD=""
+ if [ \! -e "$1" -a -e "/etc/config/$1" ]; then
+ cd /etc/config && local CD=1
+ fi
+ [ -e "$1" ] && . $1
+ ${CD:+cd - >/dev/null}
+ ${CONFIG_SECTION:+config_cb}
+}
+
+config_get() {
+ case "$3" in
+ "") eval "echo \${CONFIG_${1}_${2}}";;
+ *) eval "$1=\"\${CONFIG_${2}_${3}}\"";;
+ esac
+}
+
+config_set() {
+ export CONFIG_${1}_${2}="${3}"
+}
-int2ip () {
- echo $(($1>>24&255)).$(($1>>16&255)).$(($1>>8&255)).$(($1&255))
+load_modules() {
+ sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
}