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|
#!/bin/bash
# vim: set fileencoding=utf-8 ts=4 sw=4 noexpandtab
# load config
: ${PORTICRON_CONF:=/etc/porticron.conf}
if [[ -r ${PORTICRON_CONF} ]]; then
source ${PORTICRON_CONF}
fi
# detect some common variables
SCRIPT_NAME=$(basename $0)
FQDN=$(hostname --fqdn)
IP=$(dig +short ${FQDN} | tr '\n' ' ')
DATE=$(date -R)
PORTDIR=$(portageq portdir)
# sync if desired
${SYNC_CMD:-/usr/bin/emerge --sync} &>/dev/null
${SYNC_OVERLAYS_CMD:-/bin/true} &>/dev/null
# build a list of changed ebuilds
if [[ -n ${DIFF_CMD} ]]; then
DIFF=$(${DIFF_CMD} 2>/dev/null)
fi
if [[ -n ${DIFF} ]]; then
DIFF_MSG="${SCRIPT_NAME} has detected the following changes to ${PORTDIR}:
${DIFF}
========================================================================
"
fi
# build list of upgrades
: ${UPGRADE_OPTS:=--deep --update}
UPGRADE=$(/usr/bin/emerge ${UPGRADE_OPTS} --quiet --pretend world 2>/dev/null)
if [[ -n ${UPGRADE} ]]; then
UPGRADE_MSG="
${SCRIPT_NAME} has detected that some packages need upgrading:
$(echo "${UPGRADE}" | sed 's/^\[/ [/')
========================================================================
You can perform the upgrade by issuing the command:
emerge ${UPGRADE_OPTS} world
as root on ${FQDN}
It is recommended that you pretend the upgrade first to confirm that
the actions that would be taken are reasonable. The upgrade may be
pretended by issuing the command:
emerge ${UPGRADE_OPTS} --pretend world
"
fi
# send mail
if [[ -z ${UPGRADE_MSG} && -z ${DIFF_MSG} ]]; then
exit 0
fi
cat <<EOF | ${SENDMAIL:-/usr/sbin/sendmail} -t
To: ${RCPT:-root@${FQDN}}
From: root@${FQDN}
Subject: Gentoo package updates on ${FQDN} [ ${IP} ]
Date: ${DATE}
porticron report [${DATE}]
========================================================================
${DIFF_MSG}${UPGRADE_MSG}
--
${SCRIPT_NAME}
EOF
# GLSA check
GLSA_AFFECTED=$(/usr/bin/glsa-check --test --verbose affected 2>/dev/null)
GLSA_UPGRADES=$(/usr/bin/glsa-check --pretend affected | grep '^ ')
if [[ -n ${GLSA_AFFECTED} ]]; then
GLSA_MSG="
${SCRIPT_NAME} has detected that this system is affected by the following GLSAs:
$(echo "${GLSA_AFFECTED}" | sed 's/^20/ 20/')
========================================================================
The following updates should be performed for these GLSAs:
${GLSA_UPGRADES}
"
fi
# send mail
if [[ -z ${GLSA_MSG} ]]; then
exit 0
fi
cat <<EOF | ${SENDMAIL:-/usr/sbin/sendmail} -t
To: ${RCPT:-root@${FQDN}}
From: root@${FQDN}
Subject: WARNING: Gentoo security updates on ${FQDN} [ ${IP} ]
Date: ${DATE}
porticron report [${DATE}]
========================================================================
${GLSA_MSG}
--
${SCRIPT_NAME}
EOF
|
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