support for EC certs

.drone.yml

@@ -1,17 +1,27 @@
 kind: pipeline
+type: docker
 name: default
 
 steps:
   - name: build_and_publish
     image: plugins/docker:linux-amd64
-    pull: always
     settings:
-      auto_tag: true
-      daemon_off: false
+      dockerfile: docker/Dockerfile
       force_tag: true
       password:
         from_secret: docker_password
       registry: docker.asperti.com
       repo: docker.asperti.com/paspo/ftps
       username:
-        from_secret: docker_username
+        from_secret: docker_username
+      tags:
+        - latest
+        - ${DRONE_TAG}
+        - ${DRONE_SEMVER_MAJOR}.${DRONE_SEMVER_MINOR}
+    when:
+      event:
+        - tag
+
+trigger:
+  event:
+    - tag

custom.conf

@@ -15,11 +15,7 @@ MaxClientsPerHost 5
   TLSEngine                               on
   TLSVerifyClient                         off
   TLSRenegotiate                          none
-  TLSProtocol                             TLSv1.2
-  TLSRSACertificateFile                   /etc/proftpd/cert.pem
-  TLSRSACertificateKeyFile                /etc/proftpd/privkey.pem
-  TLSCertificateChainFile                 /etc/proftpd/chain.pem
-  TLSCipherSuite                          "ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-RC4-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:RC4-SHA:AES256-GCM-SHA384:AES256-SHA256:CAMELLIA256-SHA:ECDHE-RSA-AES128-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:CAMELLIA128-SHA !aNULL !eNULL !LOW !3DES !MD5 !EXP !PSK !SRP !DSS !RC4" 
+  TLSProtocol                             TLSv1.2 TLSv1.3
   TLSOptions                              NoSessionReuseRequired AllowClientRenegotiations
   TLSRequired                             on
 </IfModule>

run.sh

@@ -22,6 +22,30 @@ cat $TLS_CERT > /etc/proftpd/cert.pem
 cat $TLS_KEY > /etc/proftpd/privkey.pem
 cat $TLS_CHAIN > /etc/proftpd/chain.pem
 
+############ CHECK CERT KEY ALGO
+
+ALGO=$(openssl x509 -in /etc/proftpd/cert.pem -text | sed -n 's/\ *Public Key Algorithm: //p')
+
+if [ "$ALGO" = "id-ecPublicKey" ] ; then
+cat > /etc/proftpd/conf.d/certificate.conf <<EOF
+<IfModule mod_tls.c>
+  TLSECCertificateFile                    /etc/proftpd/cert.pem
+  TLSECCertificateKeyFile                 /etc/proftpd/privkey.pem
+  TLSCertificateChainFile                 /etc/proftpd/chain.pem
+</IfModule>
+EOF
+fi
+
+if [ "$ALGO" = "rsaEncryption" ] ; then
+cat > /etc/proftpd/conf.d/certificate.conf <<EOF
+<IfModule mod_tls.c>
+  TLSRSACertificateFile                    /etc/proftpd/cert.pem
+  TLSRSACertificateKeyFile                 /etc/proftpd/privkey.pem
+  TLSCertificateChainFile                  /etc/proftpd/chain.pem
+</IfModule>
+EOF
+fi
+
 ############ PASSIVE PORTS
 
 PASSIVEPORTS_START=${PASSIVEPORTS_START:-50000}