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#!/bin/bash
# find the set of plugins from default installed libraries
# and compare that with what ipsec has loaded.
# restart strongswan to get current list of loaded modules
invoke-rc.d strongswan restart
invoke-rc.d strongswan status
STRONGSWAN_PKGS="$(dpkg --list | awk '/(strongswan|charon)/ {print $2}')"
PLUGIN_PATH="/usr/lib/ipsec/plugins/"
EXPECTED_MODULES="charon"
for pkg in $STRONGSWAN_PKGS; do
P=$(dpkg -L $pkg | grep "^${PLUGIN_PATH}" |
sed -e "s,${PLUGIN_PATH}libstrongswan-,,g" -e 's,.so$,,')
EXPECTED_MODULES="${EXPECTED_MODULES} ${P}"
done
# expected to not load; they require configuration
# NB: keep leading/trailing space for regex generation
NOLOAD=" attr-sql coupling eap-simaka-sql eap-sim-file kernel-libipsec load-tester medcli medsrv sql systime-fix "
# rdrand is dynamically detected
MAYBELOAD="rdrand "
NOLOADR="(`echo "${NOLOAD}${MAYBELOAD}" | sed 's, ,$|^,g'`)"
MAYBELOADR="(`echo " ${MAYBELOAD}" | sed 's, ,$|^,g'`)"
EXPECTED=( `echo $EXPECTED_MODULES | fmt -w1 | egrep -v "$NOLOADR"` )
LOADED=( `ipsec listplugins | grep :$ | grep -v "Plugin" | egrep -v "$MAYBELOADR" | sed 's,:,,g'` )
diff <(printf "%s\n" "${EXPECTED[@]}"|sort) <(printf "%s\n" "${LOADED[@]}"|sort)
exit $?
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