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Note
This example is done with self-signed certificate. It is always better to use publicly trusted certificate here.

Become root:

Code Block
sudo su -

Stop any IDS applications that is running in all instances.:

Code Block
systemctl stop wildfly.service systemctl stop ubilogin-server.service systemctl stop ubilogin-directory.service

Create new self-signed certificate chain:

Code Block

# Create folder a temporary directory for certificate creation (name does not matter)
mkdir -p ~/ssl_cert
cd ~/ssl_cert

# Create certificate authority
openssl req -x509 \
            -sha512 \
            -days 3650 \
            -nodes \
            -newkey rsa:4096 \
            -subj "/CN=localhost/C=FI/L=Espoo" \
            -keyout cakey.pem -out cacert.pem

# Create server private key
openssl genrsa -out serverkey.pem 4096

# Generate certificate signging request
cat << EOF > servercsr.cnf
[ req ]
default_bits = 4096
prompt = no
default_md = sha512
req_extensions = req_ext
distinguished_name = dn

[ dn ]
C = FI
ST = Uusimaa
L = Espoo
O = Ubisecure Oy
OU = Engineering
CN = localhost

[ req_ext ]
subjectAltName = @alt_names

[ alt_names ]
DNS.1 = localhost
DNS.2 = $(hostname -s)
DNS.3 = $(hostname -f)

EOF

# Generate certificate signing request with previously created private key
openssl req \
        -new \
        -key serverkey.pem \
        -out servercsr.pem \
        -config servercsr.cnf

# Generate external certificate configuration
cat << EOF > cert.conf
authorityKeyIdentifier=keyid,issuer
basicConstraints=CA:FALSE
keyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment
subjectAltName = @alt_names

[alt_names]
DNS.1 = localhost
DNS.2 = $(hostname -s)
DNS.3 = $(hostname -f)

EOF

# Generate SSL certificate With self signed CA
openssl x509 -req \
    -in servercsr.pem \
    -CA cacert.pem \
    -CAkey cakey.pem \
    -CAcreateserial \
    -out servercert.pem \
    -days 3650 \
    -sha512 \
    -extfile \
    cert.conf

# View generated cert
openssl x509 -noout -in servercert.pem -text

Check cacerts before import (make sure that you do not have certificate already)the certificate imported to cacerts:

Code Block
# View all certificates keytool -list \ -storepass changeit \ -cacerts \ \| grep -i openldap

Export Import the newly generated certificate to SSO tomcatTomcat:

Code Block
# Export serverkey keytool -importcert \ -trustcacerts \ -alias openldap-trusted \ -cacerts \ -noprompt \ -storepass changeit \ -file ~/ssl/servercert.pem

Check cacerts after import.:

Code Block
# View all certificates keytool -list \ -storepass changeit \ -cacerts \ \| grep -i openldap

Result after the import:

Code Block
openldap-trusted, Aug 29, 2023, trustedCertEntry,

Change ownership for generated files:

Code Block

# Copy generated certificate and serverkey
cd
~/ssl
cp cacert.pem servercert.pem serverkey.pem /usr/local/ubisecure/ubilogin-sso/openldap/etc/openldap/

# Fix rights
chmod 600cd /usr/local/ubisecure/ubilogin-sso/openldap/etc/openldap/cacert.pem

# Fix rights
chmod 600 /usr/local/ubisecure/ubilogin-sso/openldap/etc/openldap/cacert.pem serverkey.pem chmod 600 /usr/local/ubisecure/ubilogin-sso/openldap/etc/openldap/servercert.pem

# Fix ownership
chown -R ubilogin. /usr/local/ubisecure/ubilogin-sso/openldap/etc/openldap.

Change unix.config so that it will use ldaps:// instead of ldap:// as a connection.:

Code Block

# Make a backup of existing unix.config
cp /usr/local/ubisecure/ubilogin-sso/ubilogin/unix.config \
   /usr/local/ubisecure/ubilogin-sso/ubilogin/unix.config.$(date +%Y%m%d%H%M%S)

# Apply change
sed -i 's/ldap.url=.*/ldap.url=ldaps:\/\/localhost:636/g' \
  /usr/local/ubisecure/ubilogin-sso/ubilogin/unix.config

Result should be something like this:

Code Block
cd /usr/local/ubisecure/ubilogin-sso/ubilogin/ diff -iw unix.config.20230829191717 unix.config 23c23 < ldap.url=ldap\://localhost\:389 --- > ldap.url=ldaps://localhost:636

Once done, run sso SSO setup.sh again.:

Code Block
cd /usr/local/ubisecure/ubilogin-sso/ubilogin ./setup.sh

Once done, edit slapd.conf before updating ldap LDAP configuration:

Note
If any errors occurs, one can always run `setup.sh` again to reverse below changes to original defaults.

Code Block

sed -i 's/#TLSCertificateFile/TLSCertificateFile/' \
  /usr/local/ubisecure/ubilogin-sso/ubilogin/ldap/openldap/slapd.conf
sed -i 's/#TLSCertificateKeyFile/TLSCertificateKeyFile/' \
  /usr/local/ubisecure/ubilogin-sso/ubilogin/ldap/openldap/slapd.conf
sed -i 's/#TLSCACertificateFile/TLSCACertificateFile/' \
  /usr/local/ubisecure/ubilogin-sso/ubilogin/ldap/openldap/slapd.conf

Reconfigure ldapLDAP:

Code Block

cd /usr/local/ubisecure/ubilogin-sso/ubilogin/ldap/openldap# Check that JAVA_HOME environment variable is set
echo $JAVA_HOME
# Set the right value if needed (depends on your JDK installation)
export JAVA_HOME=/usr/lib/jvm/temurin-11-jdk
#
Make sure you have correct JDKcd /usr/local/ubisecure/ubilogin-sso/ubilogin/ldap/openldap
./install.sh

And finally update sso configurationsUpdate SSO configurations:

Code Block
# Update configurations cd /usr/local/ubisecure/ubilogin-sso/ubilogin/config/tomcat ./remove.sh ./install.sh

Finally restart Restart services:

Code Block
systemctl start ubilogin-directory.service systemctl start ubilogin-server.service

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