#!/bin/sh
#	Id$: batch/submaps-decode	1.78	10.10.2001
#
#	(c) 1994-2001, Dirk Meyer, Im Grund 4, 34317 Habichtswald
#
#	decode signed messages and extract the content into
#	a data directory, which can be used by routing.
#
#	security note:
#		absolute pathnames in the message are not checked
#		risk: people you have in your key ring
#		may touch files as user news
#
# no world writable directory
dir="/var/lib/news/maps"
log="/var/lib/news/maps.log"
tmp1="${dir}/.tmp.1.$$"
tmp2="${dir}/.tmp.2.$$"
sep="----------------------------------------------------"
# save message
cat > "${tmp1}"
# check for valid signature
/usr/local/bin/pmcheck < "${tmp1}" >> "${log}" 2>&1
case $? in
0)
	if test "$1" = "-v"
	then
		echo "Good Signature" >> "${log}"
		cat "${tmp1}" >> "${log}"
		echo "${sep}" >> "${log}"
	fi
	# cut valid header
	sed -e '1,/This is a shell archive./d' "${tmp1}" >"${tmp2}"
	# if pattern does not exists, result is empty
	if test -s "${tmp2}"
	then
		# extract content in dir
		( cd ${dir} && sh "${tmp2}" ) >> "${log}" 2>&1
	else
		echo "No valid content found" >> "${log}"
		cat "${tmp1}" >> "${log}"
		echo "${sep}" >> "${log}"
	fi
	# cleanup
	rm -f "${tmp1}" "${tmp2}"
	exit 0
	;;
1)
	echo "No Signature" >> "${log}"
	;;
2)
	echo "Bad Signature" >> "${log}"
	;;
*)
	echo "Unknown Error" >> "${log}"
	;;
esac
cat "${tmp1}" >> "${log}"
echo "${sep}" >> "${log}"
rm -f "${tmp1}"
exit 0
#
# eof