Initial clamd container

data/Dockerfiles/clamav/Dockerfile

@@ -1,8 +1,8 @@
-FROM debian:latest
+FROM debian:stretch-slim
 MAINTAINER https://m-ko.de Markus Kosmal <code@cnfg.io>
 
 # Debian Base to use
-ENV DEBIAN_VERSION jessie
+ENV DEBIAN_VERSION stretch
 
 # initial install of av daemon
 RUN echo "deb http://http.debian.net/debian/ $DEBIAN_VERSION main contrib non-free" > /etc/apt/sources.list && \
@@ -13,15 +13,14 @@ RUN echo "deb http://http.debian.net/debian/ $DEBIAN_VERSION main contrib non-fr
         clamav-daemon \
         clamav-freshclam \
         libclamunrar7 \
-        wget && \
+        curl && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
 # initial update of av databases
-RUN wget -O /var/lib/clamav/main.cvd http://db.local.clamav.net/main.cvd && \
+COPY dl_files.sh /dl_files.sh
-    wget -O /var/lib/clamav/daily.cvd http://db.local.clamav.net/daily.cvd && \
+RUN chmod +x /dl_files.sh
-    wget -O /var/lib/clamav/bytecode.cvd http://db.local.clamav.net/bytecode.cvd && \
+RUN /dl_files.sh
-    chown clamav:clamav /var/lib/clamav/*.cvd
 
 # permission juggling
 RUN mkdir /var/run/clamav && \
@@ -33,9 +32,6 @@ RUN sed -i 's/^Foreground .*$/Foreground true/g' /etc/clamav/clamd.conf && \
     echo "TCPSocket 3310" >> /etc/clamav/clamd.conf && \
     sed -i 's/^Foreground .*$/Foreground true/g' /etc/clamav/freshclam.conf
 
-# volume provision
-VOLUME ["/var/lib/clamav"]
-
 # port provision
 EXPOSE 3310
 

data/Dockerfiles/clamav/bootstrap.sh

@@ -1,35 +1,7 @@
 #!/bin/bash
-# bootstrap clam av service and clam av database updater shell script
+trap "kill 0" SIGINT
-# presented by mko (Markus Kosmal<code@cnfg.io>)
-set -m
 
-# start clam service itself and the updater in background as daemon
 freshclam -d &
 clamd &
 
-# recognize PIDs
+sleep inf
-pidlist=`jobs -p`
-
-# initialize latest result var
-latest_exit=0
-
-# define shutdown helper
-function shutdown() {
-    trap "" SUBS
-
-    for single in $pidlist; do
-        if ! kill -0 $pidlist 2>/dev/null; then
-            wait $pidlist
-            exitcode=$?
-        fi
-    done
-
-    kill $pidlist 2>/dev/null
-}
-
-# run shutdown
-trap terminate SUBS
-wait
-
-# return received result
-exit $latest_exit

data/Dockerfiles/clamav/dl_files.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+declare -a DB_MIRRORS=(
+  "switch.clamav.net"
+  "clamavdb.heanet.ie"
+  "clamav.iol.cz"
+  "clamav.univ-nantes.fr"
+  "clamav.easynet.fr"
+  "clamav.begi.net"
+)
+declare -a DB_MIRRORS=( $(shuf -e "${DB_MIRRORS[@]}") )
+
+DB_FILES=(
+  "bytecode.cvd"
+  "daily.cvd"
+  "main.cvd"
+)
+
+for i in "${DB_MIRRORS[@]}"; do
+  for j in "${DB_FILES[@]}"; do
+  [[ -f "/var/lib/clamav/${j}" && -s "/var/lib/clamav/${j}" ]] && continue;
+  if [[ $(curl -o /dev/null --connect-timeout 1 \
+    --max-time 1 \
+    --silent \
+    --head \
+    --write-out "%{http_code}\n" "${i}/${j}") == 200 ]]; then
+    curl "${i}/${j}" -o "/var/lib/clamav/${j}" -#
+  fi
+  done
+done
+
+chown clamav:clamav /var/lib/clamav/*.cvd