#!/bin/sh
#
# boot_runscript - custom script executed at boot (during start of jffs)
#
# Note: 1) NVRAM variable "jffs2_exec" must point to this script
# 2) The calling code waits for this script to terminate,
# so in order to not stall the boot process, we quickly
# move to the background
#
maxwait=300
append_hosts='/jffs/bin/append_hosts'
umask 022
#
# move to background in a subshell
#
(
cd /
# ignore SIGHUP
trap '' SIGHUP
# redirect STDIN, STDOUT, STDERR
exec 0< '/dev/null'
exec 1> '/dev/null'
exec 2> '/dev/null'
#
# wait till all the system services are started
# by polling "success_start_service" NVRAM variable
#
i=0
while [ "$i" -le "$maxwait" ]
do
success_start_service="$( nvram get 'success_start_service' )"
if [ "$success_start_service" == '1' ]
then
break
fi
sleep 10
i=$(( $i + 10 ))
done
if [ "$i" -gt "$maxwait" ]
then
# timeout
logger 'boot_runscript: timout waiting for "success_start_service"'
exit 1
fi
#
# wait a little longer to allow ntp client to get correct time
#
sleep 60
logger 'boot_runscript executing'
# append custom hosts file to hosts
if [ -x "$append_hosts" ]
then
eval "$append_hosts"
fi
# add other stuff you want to do...
exit 0
)&
exit 0
