Create helper scripts for ClamAV

Author: lindhe

clamav/README.md

@@ -0,0 +1,5 @@
+# ClamAV
+
+Helper scripts for ClamAV.
+
+Install e.g. into `/usr/local/bin` and add to `VirusEvent` in `clamd.conf`.

clamav/clam-virus-event.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+
+# {{{
+
+set -uo pipefail
+
+stderr() {
+    echo -e "${@}" 1>&2
+}
+
+fail() {
+    stderr "${1:-}"
+    stderr ""
+    stderr "Exiting …"
+    exit "${2:-1}"
+}
+
+if [[ $# -ne 0 ]]; then
+    stderr ""
+    stderr "USAGE:"
+    stderr "    ${0}"
+    stderr ""
+    exit 0
+fi
+
+missing_dependencies=false
+declare -r dependencies=(
+  sendmail
+)
+for dep in "${dependencies[@]}"; do
+  if ! command -v "${dep}" &> /dev/null; then
+    stderr "❌ ERROR: Missing dependency ${dep}"
+    missing_dependencies=true
+  fi
+done
+if ${missing_dependencies}; then
+  fail 'Please install the missing dependencies!'
+fi
+
+# }}}
+
+echo -e "Subject: Virus found by ClamAV\!\n\nClamAV scanned ${CLAM_VIRUSEVENT_FILENAME} and found virus ${CLAM_VIRUSEVENT_VIRUS}\!" \
+  | sendmail root