Implementing environment variable option

Dockerfile

@@ -28,4 +28,18 @@ RUN mv /go/src/clamav-rest/clamav-rest /usr/bin/ && rm -Rf /go/src/clamav-rest
 
 EXPOSE 9000
 
+ENV MAX_SCAN_SIZE=100M
+ENV MAX_FILE_SIZE=25M
+ENV MAX_RECURSION=16
+ENV MAX_FILES=10000
+ENV MAX_EMBEDDEDPE=10M
+ENV MAX_HTMLNORMALIZE=10M
+ENV MAX_HTMLNOTAGS=2M
+ENV MAX_SCRIPTNORMALIZE=5M
+ENV MAX_ZIPTYPERCG=1M
+ENV MAX_PARTITIONS=50
+ENV MAX_ICONSPE=100
+ENV PCRE_MATCHLIMIT=100000
+ENV PCRE_RECMATCHLIMIT=2000
+
 ENTRYPOINT [ "entrypoint.sh" ]

entrypoint.sh

@@ -1,4 +1,21 @@
 #!/bin/sh
+
+# Replace values with environment variables in clamd.conf
+sed -i 's/^#MaxScanSize .*$/MaxScanSize '"$MAX_SCAN_SIZE"'/g' /etc/clamav/clamd.conf
+sed -i 's/^#StreamMaxLength .*$/StreamMaxLength '"$MAX_FILE_SIZE"'/g' /etc/clamav/clamd.conf
+sed -i 's/^#MaxFileSize .*$/MaxFileSize '"$MAX_FILE_SIZE"'/g' /etc/clamav/clamd.conf
+sed -i 's/^#MaxRecursion .*$/MaxRecursion '"$MAX_RECURSION"'/g' /etc/clamav/clamd.conf
+sed -i 's/^#MaxFiles .*$/MaxFiles '"$MAX_FILES"'/g' /etc/clamav/clamd.conf
+sed -i 's/^#MaxEmbeddedPE .*$/MaxEmbeddedPE '"$MAX_EMBEDDEDPE"'/g' /etc/clamav/clamd.conf
+sed -i 's/^#MaxHTMLNormalize .*$/MaxHTMLNormalize '"$MAX_HTMLNORMALIZE"'/g' /etc/clamav/clamd.conf
+sed -i 's/^#MaxHTMLNoTags.*$/MaxHTMLNoTags '"$MAX_HTMLNOTAGS"'/g' /etc/clamav/clamd.conf
+sed -i 's/^#MaxScriptNormalize .*$/MaxScriptNormalize '"$MAX_SCRIPTNORMALIZE"'/g' /etc/clamav/clamd.conf
+sed -i 's/^#MaxZipTypeRcg .*$/MaxZipTypeRcg '"$MAX_ZIPTYPERCG"'/g' /etc/clamav/clamd.conf
+sed -i 's/^#MaxPartitions .*$/MaxPartitions '"$MAX_PARTITIONS"'/g' /etc/clamav/clamd.conf
+sed -i 's/^#MaxIconsPE .*$/MaxIconsPE '"$MAX_ICONSPE"'/g' /etc/clamav/clamd.conf
+sed -i 's/^#PCREMatchLimit.*$/PCREMatchLimit '"$PCRE_MATCHLIMIT"'/g' /etc/clamav/clamd.conf
+sed -i 's/^#PCRERecMatchLimit .*$/PCRERecMatchLimit '"$PCRE_RECMATCHLIMIT"'/g' /etc/clamav/clamd.conf
+
 freshclam -d &
 clamd &
 /usr/bin/clamav-rest &