Rename check_clamav_signatures to dsa-check-clamav-signatures to avoid possible namin...

[mirror/dsa-nagios.git] / dsa-nagios-checks / checks / check_clamav_signatures

diff --git a/dsa-nagios-checks/checks/check_clamav_signatures b/dsa-nagios-checks/checks/check_clamav_signatures
deleted file mode 100755 (executable)
index 56c39d2..0000000
--- a/dsa-nagios-checks/checks/check_clamav_signatures
+++ /dev/null
@@ -1,181 +0,0 @@
-#!/usr/bin/env bash
-
-#
-# check_clamav_signatures - Nagios plugin to monitor ClamAV signatures are up to date.
-#
-# Released under the MIT License.
-#
-# https://github.com/tommarshall/nagios-check-clamav-signatures
-#
-
-VERSION=0.1.0
-OK=0
-WARNING=1
-CRITICAL=2
-UNKNOWN=3
-CLAM_LIB_DIR=/var/lib/clamav
-NUMERICAL_REGEX='^[0-9]+$'
-WARN_THRESHOLD=1
-CRIT_THRESHOLD=2
-
-#
-# Output version.
-#
-
-version() {
-  echo "check_clamav_signatures $VERSION"
-}
-
-#
-# Output usage information.
-#
-
-usage() {
-  echo 'Usage: ./check_clamav_signatures [options]'
-}
-
-#
-# Output help information.
-#
-
-help() {
-  usage
-  cat <<-EOF
-
-  Examples:
-    ./check_clamav_signatures
-
-  Options:
-    -p, --path <path>           path to ClamAV lib directory, if not $CLAM_LIB_DIR
-    -w, --warning <number>      number of revisions sigs can be out of date (warning)
-    -c, --critical <number>     number of revisions sigs can be out of date (critical)
-    -V, --version               output version
-    -h, --help                  output help information
-
-  For more information, see https://github.com/tommarshall/nagios-check-clamav-signatures
-
-EOF
-}
-
-#
-# Parse argv.
-#
-
-while test $# -ne 0; do
-  ARG=$1; shift
-  case $ARG in
-    -p|--path) CLAM_LIB_DIR=$1; shift ;;
-    -V|--version) version; exit ;;
-    -h|--help) help; exit ;;
-    -w|--warning) WARN_THRESHOLD=$1; shift ;;
-    -c|--critical) CRIT_THRESHOLD=$1; shift ;;
-    *)
-      echo "UNKNOWN: Unrecognised argument: $ARG"
-      usage >&2
-      exit $UNKNOWN
-      ;;
-  esac
-done
-
-if ! [[ $WARN_THRESHOLD =~ $NUMERICAL_REGEX ]]; then
-  echo "UNKNOWN: Warning threshold must be numeric!"
-  exit $UNKNOWN
-fi
-if ! [[ $CRIT_THRESHOLD =~ $NUMERICAL_REGEX ]]; then
-  echo "UNKNOWN: Critical threshold must be numeric!"
-  exit $UNKNOWN
-fi
-
-#
-# Showtime.
-#
-
-# ensure we have executable dependencies
-for dependency in cut host grep sigtool sed; do
-  if ! hash $dependency >/dev/null 2>&1; then
-    echo "UNKNOWN: Missing dependency: ${dependency}"
-    exit $UNKNOWN
-  fi
-done
-
-# ensure the clam lib dir exists
-if [ ! -d "$CLAM_LIB_DIR" ]; then
-  echo "UNKNOWN: Unable to locate ClamAV lib directory"
-  exit $UNKNOWN
-fi
-
-# ensure we have a daily signatures file
-if [ -e ${CLAM_LIB_DIR}/daily.cld ]; then
-  DAILY_SIGNATURES_PATH="${CLAM_LIB_DIR}/daily.cld"
-elif [ -e ${CLAM_LIB_DIR}/daily.cvd ]; then
-  DAILY_SIGNATURES_PATH="${CLAM_LIB_DIR}/daily.cvd"
-else
-  echo "UNKNOWN: Unable to locate installed daily signatures"
-  exit $UNKNOWN
-fi
-
-# ensure we have a main signatures file
-if [ -e ${CLAM_LIB_DIR}/main.cvd ]; then
-  MAIN_SIGNATURES_PATH="${CLAM_LIB_DIR}/main.cvd"
-elif [ -e ${CLAM_LIB_DIR}/main.cld ]; then
-  MAIN_SIGNATURES_PATH="${CLAM_LIB_DIR}/main.cld"
-else
-  echo "UNKNOWN: Unable to locate installed main signatures"
-  exit $UNKNOWN
-fi
-
-# extract the daily signatures version
-INSTALLED_DAILY_VERSION=$(sigtool -i ${DAILY_SIGNATURES_PATH} 2>/dev/null | grep Version | sed -e 's/Version: //')
-if ! [[ $INSTALLED_DAILY_VERSION =~ $NUMERICAL_REGEX ]]; then
-  echo "UNKNOWN: Unable to establish installed daily signatures version"
-  exit $UNKNOWN
-fi
-
-# extract the main signatures version
-INSTALLED_MAIN_VERSION=$(sigtool -i ${MAIN_SIGNATURES_PATH} 2>/dev/null | grep Version | sed -e 's/Version: //')
-if ! [[ $INSTALLED_MAIN_VERSION =~ $NUMERICAL_REGEX ]]; then
-  echo "UNKNOWN: Unable to establish installed main signatures version"
-  exit $UNKNOWN
-fi
-
-# query the DNS record
-DNS_TXT_RECORD=$(host -t txt current.cvd.clamav.net)
-if [ $? -ne 0 ]; then
-  echo "UNKNOWN: DNS query to current.cvd.clamav.net failed"
-  exit $UNKNOWN
-fi
-
-# extract the current daily signatures version from the DNS TXT record
-CURRENT_DAILY_VERSION=$(echo $DNS_TXT_RECORD | cut -d : -f 3)
-if ! [[ $CURRENT_DAILY_VERSION =~ $NUMERICAL_REGEX ]]; then
-  echo "UNKNOWN: Unable to establish current daily signatures version from DNS query"
-  exit $UNKNOWN
-fi
-
-# extract the current main signatures version from the DNS TXT record
-CURRENT_MAIN_VERSION=$(echo $DNS_TXT_RECORD | cut -d : -f 2)
-if ! [[ $CURRENT_MAIN_VERSION =~ $NUMERICAL_REGEX ]]; then
-  echo "UNKNOWN: Unable to establish current main signatures version from DNS query"
-  exit $UNKNOWN
-fi
-
-# determine the difference between the current and installed versions
-DAILY_VERSION_DELTA=$((CURRENT_DAILY_VERSION-INSTALLED_DAILY_VERSION))
-MAIN_VERSION_DELTA=$((CURRENT_MAIN_VERSION-INSTALLED_MAIN_VERSION))
-
-if [ $DAILY_VERSION_DELTA -gt $CRIT_THRESHOLD -o $MAIN_VERSION_DELTA -gt $CRIT_THRESHOLD ]; then
-  echo "CRITICAL: Signatures expired;" \
-    "daily version: ${INSTALLED_DAILY_VERSION} (${DAILY_VERSION_DELTA} behind)," \
-    "main version: ${INSTALLED_MAIN_VERSION} (${MAIN_VERSION_DELTA} behind)"
-  exit $CRITICAL
-elif [ $DAILY_VERSION_DELTA -gt $WARN_THRESHOLD -o $MAIN_VERSION_DELTA -gt $WARN_THRESHOLD ]; then
-  echo "WARNING: Signatures expired;" \
-    "daily version: ${INSTALLED_DAILY_VERSION} (${DAILY_VERSION_DELTA} behind)," \
-    "main version: ${INSTALLED_MAIN_VERSION} (${MAIN_VERSION_DELTA} behind)"
-  exit $WARNING
-fi
-
-echo "OK: Signatures up to date;"\
-  "daily version: ${INSTALLED_DAILY_VERSION}," \
-  "main version: ${INSTALLED_MAIN_VERSION}"
-exit $OK