ti_tftp by BTC

#!/bin/sh

echo "Running ti_tftp $@" >> /var/tmp/bwlog
ti_tftp_orig $@

set -- $(getopt "F:vf:s:t:i:w:p:b:m:cda" "$@")

for o; do
 case "$o" in
   -w) dir=$2 shift ;;
   -f) filename=$2 shift ;;
   --) shift; break ;;
   *) shift;;
 esac
done


dir=${dir-$(pwd)}
parent=`cat /proc/$PPID/comm` #this is silently truncated to 15, FYI.


#This fixes the problem where the URL isnt parsed properly.
#filename get lastpiece a/b/c = c
filename=`echo $filename | sed 's|.*/||'`


#This patch is redundant, and was fixed by the patch above (get lastpiece), but leaving here just in case.
if [ -f '/nvram/fcsufoverride' ]; then
	echo "Config filename override patch activated." >> /var/tmp/bwlog
	filename=`cat /nvram/fcsufoverride`
fi



#for some reason, pacm is initialized by pcd on some modems..
#pacm_mta_contro)

case $parent in
dmg_provisionin)
	echo "Testing if we should replace CM config" >> /var/tmp/bwlog
	if [ -f '/nvram/1/config.cm' ]; then
		echo "Replacing downloaded config $filename with user-defined config" >> /var/tmp/bwlog
		cp '/nvram/1/config.cm' $dir/$filename
	fi
	ln -s $dir/$filename /var/tmp/running.config
	;;
pcd)
	echo "Testing if we should replace MTA config" >> /var/tmp/bwlog
	if [ -f '/nvram/1/config.mta' ]; then
		echo "Replacing downloaded MTA config $filename with user-defined MTA config" >> /var/tmp/bwlog
		cp '/nvram/1/config.mta' $dir/$filename	
	fi
	ln -s $dir/$filename /var/tmp/runningmta.config
	;;
pacm_mta_contro)
	echo "Testing if we should replace MTA config" >> /var/tmp/bwlog
	if [ -f '/nvram/1/config.mta' ]; then
		echo "Replacing downloaded MTA config $filename with user-defined MTA config" >> /var/tmp/bwlog
		cp '/nvram/1/config.mta' $dir/$filename	
	fi
	ln -s $dir/$filename /var/tmp/runningmta.config
	;;
*)
	echo "Unknown process $parent invoked ti_tftp, doing nothing." >> /var/tmp/bwlog
	;;
esac
shift