#!/bin/sh -f
#
# Copyright (c) 2004 Oliver Eikemeier. 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.
#
# 3. Neither the name of the author nor the names of its contributors may be
#    used to endorse or promote products derived from this software without
#    specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED "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
# COPYRIGHT OWNER 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.
#
# $FreeBSD$
#

if [ -r /etc/defaults/periodic.conf ]; then
    . /etc/defaults/periodic.conf
    source_periodic_confs
fi

# Compute PKG_DBDIR from the config file.
if [ -z "${PKG_DBDIR}" ] && [ -f /usr/local/etc/pkg.conf ]; then
	PKG_DBDIR=`awk 'toupper($1) ~ /PKG_DBDIR/ { print $3 }' \
		< /usr/local/etc/pkg.conf`
fi
: ${PKG_DBDIR="/var/db/pkg"}
auditfile="${PKG_DBDIR}/auditfile"

rc=0

case "${daily_status_security_pkgaudit_enable:-YES}" in
	[Nn][Oo])
	;;
	*)
	pkgcmd=/usr/local/sbin/pkg

	echo
	echo 'Checking for packages with security vulnerabilities:'

	if ${pkgcmd} -N >/dev/null 2>&1 ; then
		echo 'pkg-audit is enabled but pkg is not used'
		rc=2
	else
		then=`stat -f '%m' "${auditfile}" 2> /dev/null` || rc=3
		now=`date +%s` || rc=3
		# Add 10 minutes of padding since the check is in seconds.
		if [ $rc -ne 0 -o \
			$(( 86400 \* "${daily_status_security_pkgaudit_expiry:-2}" )) \
			-le $(( ${now} - ${then} + 600 )) ]; then
			${pkgcmd} audit -Fq || { rc=$?; [ $rc -lt 3 ] && rc=3; }
		else
			echo -n 'Database fetched: '
			date -r "${then}" || rc=3
			${pkgcmd} audit || { rc=$?; [ $rc -lt 3 ] && rc=3; }
		fi
	fi
	;;
esac

exit "$rc"
