#!/bin/sh # executed by udhcpc # parameters: $1 and environment # $1 is: # # deconfig: udhcpc starts, or lease is lost. # Environment example: interface=eth0 # # bound: lease is obtained. Environment example: # dhcptype=5 # serverid=172.16.42.102 # lease=97200 # interface=eth0 # ip=172.16.42.177 # subnet=255.255.255.0 # mask=24 # broadcast=172.16.22.255 # router=172.16.42.98 # dns=10.34.32.125 10.32.63.5 10.34.255.7 10.11.255.27 # domain=lab.example.com example.com # ntpsrv=10.34.32.125 10.34.255.7 # # renew: lease is renewed. Environment is similar to "bound". # The IP address does not change, however, the other DHCP parameters, # such as the default gateway, subnet mask, and dns server may change. # # nak: udhcpc received a NAK message. # Environment example: interface=eth0 # # leasefail: udhcpc cannot obtain a lease (DHCP server not responding, etc). # Environment example: interface=eth0 # TODO: put $domain into /etc/resolv.conf (thru /var/service/fw) service=${PWD##*/} file_ipconf="$service.ipconf" file_ntpconf="$service.ntpconf" dir_ipconf="/var/run/service/fw" dir_ntpconf="/var/run/service/ntpd" exec >/dev/null #exec >>"$0.out" #debug exec 2>&1 echo "`date`: Params: $*" if test x"$1" != x"bound" && test x"$1" != x"renew" ; then # Reconfigure network with this interface disabled echo "Deconfiguring" rm "env.out" rm "$file_ipconf" rm "$file_ntpconf" rm "$dir_ipconf/$file_ipconf" rm "$dir_ntpconf/$file_ntpconf" svc -u fw exit fi # Bound: we've got the lease # Record information for e.g. dhcp_$IF_pinger service env >"env.out" ./convert2ipconf "$file_ipconf" # Reconfigure routing and firewall if needed diff --brief "$file_ipconf" "$dir_ipconf/$file_ipconf" >/dev/null 2>&1 if test $? != 0; then echo "Reconfiguring fw" mkdir -p "$dir_ipconf" 2>/dev/null cp "$file_ipconf" "$dir_ipconf/$file_ipconf" svc -u fw fi if test -d ../ntpd; then ./convert2ntpconf "$file_ntpconf" # Reconfigure ntp server addresses if needed diff --brief "$file_ntpconf" "$dir_ntpconf/$file_ntpconf" >/dev/null 2>&1 if test $? != 0; then echo "Reconfiguring ntp" mkdir -p "$dir_ntpconf" 2>/dev/null cp "$file_ntpconf" "$dir_ntpconf/$file_ntpconf" svc -t ntpd svc -u ntpd fi fi