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ajeeth / docker-ejbca-image

Docker container image for EJBCA PKI server

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EJBCA PKI Server

This is an image for running your own EJBCA PKI server.

Prerequisites

  • Install Docker Compose on the system.
  • Review the documentation for EJBCA PKI for details on how to configure and use the product.
  • Choose a location on the system in which to store EJBCA PKI configuration settings and data.

Container Setup

Follow the steps below to set up the container. These instructions assume you have chosen /opt/docker/ejbca as a base folder for storing settings and data. If you choose a different path, please update the path in the commands below accordingly.

  1. On the Docker host, create the docker-compose.yml file inside the /opt/docker/ejbca folder. The format is shown below in the Docker Compose Configuration section.
  2. Create the necessary configuration and data folders.
    • host# mkdir -p /opt/docker/ejbca/{mysql,data}
  3. Pull the latest image from the registry:
    • host# docker-compose pull ejbca
  4. Review the Container Initialization section below on how to pre-configure the container with your own custom settings, if desired.
  5. Use docker-compose to bring up the container:
    • host# docker-compose up ejbca

In the future, you can update the container by simply re-running docker-compose pull ejbca followed by docker-compose up --force-recreate ejbca. These commands will automatically pull the latest version of the image(s) from the registry and replace it without affecting your data or configurations.

Docker Compose Configuration

Below is a sample docker-compose.yml file for your reference:

#
# Sample configuration for 'ejbca' container
#

version: "3"

services:
  mariadb:
    container_name: mariadb
    image: dataknightllc/mariadb:stable
    volumes:
      - /opt/docker/mariadb/rsyslog:/etc/rsyslog/conf.d
      - /opt/docker/mariadb/data:/var/lib/mysql
    ports:
      - 3306:3306
    environment:
      TZ: ${TZ:-UTC}
      SECRETS_FOLDER: /run/secrets
  
  ejbca:
    container_name: ejbca
    image: dataknightllc/ejbca:stable
    volumes:
      - /opt/docker/ejbca/syslog-ng:/etc/syslog-ng/conf.d
      - /opt/docker/ejbca/mysql:/var/lib/mysql
      - /opt/docker/ejbca/data:/var/lib/ejbca
    ports:
      - 8080:8080
      - 8442:8442
      - 8443:8443
    environment:
      TZ: ${TZ:-UTC}

Backing Up the Container

Once you have configured the container per the instructions above, you simply need to backup the /opt/docker/ejbca folder and subfolders to save your configuration and data.

Container Initialization

This container image is configured so that the first time you boot it, it will automatically initialize a new Certificate Authority and database for you with little to no intervention. Please be aware that the first boot of the container may take some time (~5 minutes or so) in order to initialize the MySQL database and Wildfly server for running EJBCA.

You may notice several folders such as /var/lib/mysql/.init and /var/lib/ejbca/.init that are created automatically during first boot. You should not touch these folders or files. They are used for keeping initialization state for your container between reboots and upgrades or container rebuilds. Likewise, once the initial boot has been performed, you should not alter the values or settings in the /var/lib/mysql/.vault and /var/lib/ejbca/.vault files unless otherwise noted.

If you wish to use the default settings, you do not have to do anything other than set up the container as described in the steps above. A default certificate authority called Root Certificate Authority will be created and initialized for you automatically during first boot.

If you wish to customize settings for the initialization, you may do so by following the instructions below. Any files created below should be owned by the root user and set to mode 0600. Settings for .properties files described below are assigned values each on a single line using setting=value syntax. If the value of any setting contains spaces, be sure to wrap it in double quote (") marks. If you choose to create a file, it must contain all of the settings specified.

NOTE: If you choose to supply your own password for any of the settings listed below, it must be a minimum of 6 characters long.

MySQL User Customization If you wish to set your own password for the root and/or ejbca user, simply create a new file corresponding to the username in the /var/lib/mysql/.vault folder. The file should only contain the password and nothing else.

Certificate Authority Customization If you wish to customize the CA that is created during first boot, create a new file called ca.properties inside the /var/lib/ejbca/.vault folder.

  • ca.name: The common name of the certificate authority (eg: "My CA")
  • ca.dn: The fully distinguished name of the certificate authority (eg: "CN=My CA,O=My Company,C=US")
  • ca.keytype: Should always be RSA
  • ca.keyspec: The number of bits of encryption to use for the private key (eg: 1024 or 2048 or 4096)
  • ca.signaturealgorithm: Use SHA256WithRSA unless you know what you're doing
  • ca.validity: The number of days until the CA expires (eg: 7300 which is 20 years)
  • ca.policy: Use null unless you know what you're doing
  • ca.tokenpassword: The password used to encrypt the CA private key

Java Customization If you wish to customize Java settings used during first boot, create a new file called java.properties inside the /var/lib/ejbca/.vault folder.

  • java.trustpassword: The password used to encrypt the Java keystore for storing the SSL certificate for the Wildfly web server.

SuperAdmin Customization If you wish to customize settings used to create the super administrator account during first boot, create a new file called superadmin.properties inside the /var/lib/ejbca/.vault folder.

  • superadmin.cn: The common name of the super administrator account (eg: admin)
  • superadmin.dn: The fully distinguished name of the super administrator account (eg: CN=admin)
  • superadmin.password: The password used to encrypt the PKCS12 keystore containing the user's SSL client certificate
  • superadmin.batch: Must be set to true

HTTPS Server Customization If you wish to customize settings used for the SSL certificate for the Wildfly web server generated during first boot, create a new file called httpsserver.properties inside the /var/lib/ejbca/.vault folder.

  • httpsserver.hostname: The common name of the web server (eg: pki.mydomain.com)
  • httpsserver.dn: The fully distinguished name to use in the SSL certificate (eg: CN=pki.mydomain.com)
  • httpsserver.password: The password used to encrypt the private SSL key

SMTP Server Customization If you wish to customize settings used for sending email from EJBCA, create a new file called smtpserver.properties inside the /var/lib/ejbca/.vault folder.

  • smtpserver.enabled: true to enable and use the SMTP settings or false to ignore them
  • smtpserver.port: SMTP server port (eg: 25 or 587)
  • smtpserver.host: Hostname (or FQDN depending on your configuration) of the SMTP server
  • smtpserver.from: E-mail address used in the From: address
  • smtpserver.user: Username for SMTP server authentication or leave blank if not required
  • smtpserver.password: Password for SMTP server authentication or leave blank if not required
  • smtpserver.use_tls: true to use TLS when connecting to the SMTP server or false to use cleartext

Logging into EJBCA as a Super Administrator

Once the server is up and running, you'll want to connect to the Web UI and login as the administrator.

  1. Download the /var/lib/ejbca/p12/superadmin.p12 file from the container to your local system.
  2. Grab the value of superadmin.password from the /var/lib/ejbca/.vault/superadmin.properties file in the container.
  3. Import the PKCS12 file onto your system (for IE, Edge and Chrome) or into your browser (for Firefox).
  4. Restart your browser.
  5. Navigate to https://ejbcaserver:8443/ejbca/adminweb where ejbcaserver is the hostname or IP of your EJBCA server.

Activating the Certificate Authority

After the initial boot of the container, you will need to activate the certificate authority for use. You'll need to log into the Web UI and perform the steps that follow.

  1. Open your browser and navigate to https://ejbcaserver:8443/ejbca/adminweb where ejbcaserver is the hostname or IP of your EJBCA server.
  2. Click the CA Activation link under CA Functions.
  3. Under the Crypto Token Action check the Activate box.
  4. Grab the value of ca.tokenpassword from the /var/lib/ejbca/.vault/ca.properties file in the container and enter it next to Crypto Token activation code.
  5. Click the Apply button.

Note that afterwards you may want to turn on auto-activation by clicking on the link for the CA and going into edit mode and making the change.

Changing the Certificate Authority Password

...TO BE DOCUMENTED...

Updating the Wildfly Web Server Certificate

If you wish to update the SSL certificate used by the Wildfly front-end web server because it has expired or if you wish to change its properties or use a different CA to sign the certificate, you'll need to perform the steps that follow.

Using the EJBCA Certificate Authority Follow the steps below to generate a new certificate using the EJBCA Certificate Authority you created.

  1. Open your browser and navigate to https://ejbcaserver:8443/ejbca/adminweb where ejbcaserver is the hostname or IP of your EJBCA server.
  2. Click the Search End Entities link under RA Functions.
  3. Next to Search end entity with username enter tomcat and click Search.
  4. Click the Edit End Entity link in the search result.
  5. Change the Status from Generated to New.
  6. Grab the value of httpsserver.password from the /var/lib/ejbca/.vault/httpsserver.properties file in the container and enter it in the Password (or Enrollment Code) and Confirm Password fields.
  7. Finish editing the entity as desired and click Save when complete.
  8. Run the following command from a shell within the container:
    • /opt/ejbca/bin/ejbca.sh batch
    • keytool -changealias -keystore /var/lib/ejbca/p12/tomcat.jks -alias _CertCN_ -destalias ejbca (Be sure to change CertCN to the actual CN you specified for the certificate!)
    • cp /var/lib/ejbca/wildfly/keystore/keystore.jks /var/lib/ejbca/wildfly/keystore/keystore.jks.bak
    • cp /var/lib/ejbca/p12/tomcat.jks /var/lib/ejbca/wildfly/keystore/keystore.jks
    • chown wildfly:wildfly /var/lib/ejbca/wildfly/keystore/keystore.jks*
    • /opt/wildfly/bin/jboss-cli.sh -c --command=":shutdown(restart=true)"

Using a 3rd Party Certificate Authority Follow the steps below to generate a new certificate using a 3rd party CA such as Verisign, Comodo, Thawte, etc.

  1. Open a shell on the container and run the following command:
    keytool -genkey -alias ejbca -keyalg RSA -keysize 2048 -keystore /tmp/keystore.jks
  2. Grab the value of httpsserver.password from the /var/lib/ejbca/.vault/httpsserver.properties file in the container and use it when prompted for a password for the keystore.
  3. Enter the details for the certificate as you are prompted for them.
  4. Press ENTER when asked for the password for the ejbca key.
  5. Now run the following command: keytool -certreq -alias ejbca -keyalg RSA -file /tmp/request.csr -keystore /tmp/keystore.jks
  6. Submit the /tmp/request.csr file to the CA for signing. Be sure to request a certificate for Java/Tomcat/JBOSS so that the signed certificate is in PKCS7 (.p7b) format.
  7. Upload the signed PKCS7 bundle to the container as /tmp/cert.p7b.
  8. Now run the following commands:
    • keytool -import -trustcacerts -alias ejbca -file /tmp/cert.p7b -keystore /tmp/keystore.jks
    • cp /var/lib/ejbca/wildfly/keystore/keystore.jks /var/lib/ejbca/wildfly/keystore/keystore.jks.bak
    • cp /tmp/keystore.jks /var/lib/ejbca/wildfly/keystore/keystore.jks
    • chown wildfly:wildfly /var/lib/ejbca/wildfly/keystore/keystore.jks*
    • /opt/wildfly/bin/jboss-cli.sh -c --command=":shutdown(restart=true)"

Importing an Existing SSL Key Pair ...TO BE DOCUMENTED...

If you encounter any issues with Wildfly not restarting, simply copy the keystore.jks.bak file back to keystore.jks and issue the restart command to jboss-cli.sh.

Troubleshooting Errors

If you have issues, be sure to check the log files in the /var/log folder for details. The majority of information will be stored in the wildfly.log file.

Additional Help or Questions

If you have questions, find bugs or need additional help, please open an issue on github

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Docker container image for EJBCA PKI server

License:Apache License 2.0

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