#!/bin/sh

# Please see detailed Copyright below

PATH=/bin:/usr/bin:/usr/pkg/bin ; export PATH
umask 077

TDIR=`mktemp -d -t ppf_verify`
trap "rm -f ${TDIR}/* ; rmdir ${TDIR} ; exit" 0 1 2 15

pgp_failed () {
	message_file="${1}"

	echo '------------------------------------------------------------------------------' >${TDIR}/error
	echo "$0: ${2:-pgp command failed}" >>${TDIR}/error
	echo '' >>${TDIR}/error
	cat ${TDIR}/stderr >>${TDIR}/error
	echo '------------------------------------------------------------------------------' >>${TDIR}/error
	echo '' >>${TDIR}/error
	cp ${message_file} ${TDIR}/message
	cat ${TDIR}/error ${TDIR}/message > ${message_file}
	exit 0
}

if [ -x /usr/pkg/bin/gpg ]; then
	gpg --batch --no-tty --decrypt ${1} >${TDIR}/message 2>${TDIR}/stderr || pgp_failed ${1}
elif [ -x /usr/pkg/bin/pgp ]; then
	pgp ${1} -o${TDIR}/message >${TDIR}/stdout 2>${TDIR}/stderr || pgp_failed ${1}
	echo '     -----------------------------------------------------' >>${TDIR}/stderr
	egrep -v 'Plaintext filename:|wiping file' ${TDIR}/stdout >>${TDIR}/stderr
# This probably doesn't work
#elif [ -x /usr/pkg/bin/pgpv ]; then
#	pgpv ${1} -o${TDIR}/message >${TDIR}/stdout 2>${TDIR}/stderr || pgp_failed ${1}
#	cat ${TDIR}/stdout >>${TDIR}/stderr
else
	pgp_failed ${1} "Can't find pgp on this system"
fi

echo '----------------------------- PGP Command Output -----------------------------' >${1}
egrep -v '^$|pattern is:' ${TDIR}/stderr >>${1}
echo '------------------------------- End PGP Output -------------------------------' >>${1}
echo '' >>${1}
cat ${TDIR}/message >>${1}

exit 0

#  Copyright (c) 2003 Doug Barton
#  All rights reserved.
# 
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions
#  are met:
#  1. Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
# 
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
#  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
#  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
#  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
#  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
#  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
#  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
#  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
#  SUCH DAMAGE.