mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-08 00:17:32 +02:00
9c250a1ea9
- use add_dns() and remove_dns() for when changing resolv.conf.auto for static or dhcp interfaces - force 0644 permissions when creating resolv.conf.auto, fixes dnsmasq permissions denied problem with pppd interfaces - revert dns servers in /sbin/ifdown - bump package revision git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21638 3c298f89-4303-0410-b956-a3cf2f4a3e73
219 lines
6.3 KiB
Bash
Executable File
219 lines
6.3 KiB
Bash
Executable File
#!/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" "$4"
|
|
}
|
|
|
|
setup_interface () {
|
|
local old_ip
|
|
local old_broadcast
|
|
local old_subnet
|
|
local old_router
|
|
local old_dns
|
|
local user_dns
|
|
local user_router
|
|
|
|
[ -n "$ifc" ] && {
|
|
config_get old_ip "$ifc" ipaddr
|
|
config_get old_broadcast "$ifc" broadcast
|
|
config_get old_subnet "$ifc" netmask
|
|
}
|
|
|
|
[ "$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"
|
|
config_get old_router "$ifc" gateway
|
|
user_router=$(uci_get "network.$ifc.gateway")
|
|
[ -n "$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 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 "$router"
|
|
}
|
|
|
|
# CIDR STATIC ROUTES (rfc3442)
|
|
[ -n "$cidrroute" ] && {
|
|
# This defines how many CIDR Routes can be assigned so that we do not enter
|
|
# an endless loop on malformed data
|
|
MAXCIDRROUTES=24;
|
|
while [ ${MAXCIDRROUTES} -gt "0" ]; do
|
|
# Format is
|
|
# $MASK $NW $GW
|
|
# $NW == AAA.BBB.CCC.DDD
|
|
# $GW == EEE.FFF.CCC.DDD
|
|
# $MASK AAA.[BBB].[CCC].[DDD] EEE.FFF.GGG.HHH
|
|
# 1 2 3 4 5 6 7 8 9
|
|
MASK=$(echo $cidrroute | awk '{ print $1 }')
|
|
if [ ${MASK} = "0" ] ; then
|
|
# $MASK EEE.FFF.GGG.HHH
|
|
# 1 2 3 5 6
|
|
NW="0"
|
|
GW=$(echo $cidrroute | awk '{ print $2"."$3"."$4"."$5 }' )
|
|
elif [ ${MASK} -le "8" ] ; then
|
|
# $MASK AAA EEE.FFF.GGG.HHH
|
|
# 1 2 3 5 6 7
|
|
NW=$(echo $cidrroute | awk '{ print $2 }' )
|
|
GW=$(echo $cidrroute | awk '{ print $3"."$4"."$5"."$6 }' )
|
|
elif [ ${MASK} -le "16" ] ; then
|
|
# $MASK AAA.BBB EEE.FFF.GGG.HHH
|
|
# 1 2 3 5 6 7 8
|
|
NW=$(echo $cidrroute | awk '{ print $2"."$3 }' )
|
|
GW=$(echo $cidrroute | awk '{ print $4"."$5"."$6"."$7 }' )
|
|
elif [ ${MASK} -le "24" ] ; then
|
|
# $MASK AAA.BBB.CCC EEE.FFF.GGG.HHH
|
|
# 1 2 3 4 5 6 7 8
|
|
NW=$(echo $cidrroute | awk '{ print $2"."$3"."$4 }' )
|
|
GW=$(echo $cidrroute | awk '{ print $5"."$6"."$7"."$8 }' )
|
|
|
|
else
|
|
# $MASK AAA.BBB.CCC.DDD EEE.FFF.GGG.HHH
|
|
# 1 2 3 4 5 6 7 8 9
|
|
NW=$(echo $cidrroute | awk '{ print $2"."$3"."$4"."$5 }' )
|
|
GW=$(echo $cidrroute | awk '{ print $6"."$7"."$8"."$9 }' )
|
|
fi
|
|
echo [$ROUTECOUNTER] Route Network: $NW/$MASK Gateway: $GW on $interface
|
|
|
|
# TODO: Check for malformed data here to eliminate counter workaround
|
|
# Malformed data is: ... or xxx... or xxx.yyy.. or xxx.yyy.zzz.
|
|
|
|
[ -n "$NW" ] && [ -n "$GW" ] && {
|
|
route add $NW gw $GW dev $interface
|
|
}
|
|
|
|
# Clear the strings incase they don't get set next time around
|
|
if [ ${NW} = "0" ]; then
|
|
NW=""
|
|
fi
|
|
TMP="$MASK $NW $GW "
|
|
NW=""
|
|
GW=""
|
|
|
|
# Remove the '.' so that we can delete them from the input with sed
|
|
TMP=$(echo $TMP | sed "s/\./ /g")
|
|
|
|
# Remove the previous entry from cidrroute
|
|
cidrroute=$(echo $cidrroute | sed "s/$TMP//g")
|
|
|
|
# Add to counter
|
|
let ROUTECOUNTER=$ROUTECOUNTER+1;
|
|
let MAXCIDRROUTES=$MAXCIDRROUTES-1;
|
|
|
|
# Leave the loop if cidrroutes is empty (we've parsed everything)
|
|
[ ! -n "$cidrroute" ] && break
|
|
|
|
done
|
|
|
|
echo "done."
|
|
}
|
|
|
|
# DNS
|
|
old_dns=$(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 "$(date '+%s')"
|
|
change_state network "$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
|