dockerfiles/snort/update-rules.sh
Jess Frazelle 99dadf3e2e
add snort;
Signed-off-by: Jess Frazelle <acidburn@google.com>
2017-01-01 17:05:16 -08:00

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#! /bin/bash
#
# Wrapper script around pulledpork to update rules.
set -e
set -o pipefail
PULLEDPORK_CONF="/usr/src/pulledpork/etc/pulledpork.conf"
ENABLESID_CONF="/usr/src/pulledpork/etc/enablesid.conf"
DISABLESID_CONF="/usr/src/pulledpork/etc/disablesid.conf"
DROPSID_CONF="/usr/src/pulledpork/etc/dropsid.conf"
MODIFYSID_CONF="/usr/src/pulledpork/etc/modifysid.conf"
BLACKLIST_URL="http://www.talosintelligence.com/feeds/ip-filter.blf"
mkdir -p /usr/local/etc/snort/rules/iplists
VRT_RULE_URL="https://www.snort.org/rules/|snortrules-snapshot.tar.gz"
ET_OPEN_RULE_URL="https://rules.emergingthreatspro.com/|emerging.rules.tar.gz"
PP_ARGS="/usr/src/pulledpork/pulledpork.pl -c ${PULLEDPORK_CONF} -P"
PP_ARGS="${PP_ARGS} -u ${BLACKLIST_URL}|IPBLACKLIST|open"
check_for_file() {
echo -n "Checking for file $1: "
if [[ -e "$1" ]]; then
echo "found."
return 0
else
echo "not found."
return 1
fi
}
if [[ -z "${OINKCODE}" ]]; then
echo "warning: OINKCODE variable not set: using ET open rules."
RULE_URL=${ET_OPEN_RULE_URL}
OINKCODE="open"
else
RULE_URL=${VRT_RULE_URL}
fi
PP_ARGS="${PP_ARGS} -u ${RULE_URL}|${OINKCODE}"
if check_for_file ${ENABLESID_CONF}; then
PP_ARGS="${PP_ARGS} -e ${ENABLESID_CONF}"
fi
if check_for_file ${DISABLESID_CONF}; then
PP_ARGS="${PP_ARGS} -i ${DISABLESID_CONF}"
fi
if check_for_file ${DROPSID_CONF}; then
PP_ARGS="${PP_ARGS} -b ${DROPSID_CONF}"
fi
if check_for_file ${MODIFYSID_CONF}; then
PP_ARGS="${PP_ARGS} -M ${MODIFYSID_CONF}"
fi
echo "Running ${PP_ARGS}."
${PP_ARGS}