tools/rc-new-ldap-user
2021-03-24 12:07:01 +01:00

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Executable file

#!/bin/sh
set -e
LDAP_SERVER='ldaps://ldap1.recycled.cloud'
LDAP_BASE_DN='ou=users,dc=recycled,dc=cloud'
LDAP_BIND_DN='cn=admin,dc=recycled,dc=cloud'
DEFAULT_GROUP_UID_NUMBER=10000
for executable in ldapsearch slappasswd ldapadd sed; do
if ! command -v $executable >> /dev/null; then
echo "The $executable command is not available. Exiting." >&2
exit 1
fi
done
# Prompt for user details.
for input in uid mail given_name sn password; do
printf "Please enter %s for new user: " $input
read -r ${input?}
done
# Prompt for admin credentials.
printf "\nPlease enter password for %s: " $LDAP_BIND_DN
read -r ldap_bind_password
# Determine the user's uidNumber
last_uid_number=$(ldapsearch -x -H $LDAP_SERVER -b $LDAP_BASE_DN \
-D $LDAP_BIND_DN -w "$ldap_bind_password" '(objectClass=posixAccount)' \
uidNumber | grep uidNumber | sed "s|uidNumber: ||" | sort -n | tail -n 1)
next_uid_number=$(( "$last_uid_number" + 1))
# Compute CN and hash password.
cn="${given_name:?} ${sn:?}"
hashed_password=$(slappasswd -s "${password:?}")
# Generate new user, and ask for user-validation.
ldif=$(cat << EOF
dn: uid=${uid:?},ou=users,dc=recycled,dc=cloud
objectClass: inetOrgPerson
objectClass: posixAccount
cn: ${cn:?}
displayName: ${cn:?}
gidNumber: ${DEFAULT_GROUP_UID_NUMBER:?}
givenName: ${given_name:?}
homeDirectory: /home/${uid:?}
mail: ${mail:?}
sn: ${sn:?}
uid: ${uid:?}
uidNumber: ${next_uid_number:?}
userPassword: ${hashed_password:?}
EOF
)
echo """
::: Generated LDIF :::
$ldif
::: ENTER to insert into database, Ctrl+C to abort :::
"""
read -r # Only used to pause execution until user input is received.
printf 'Executing ldapdd... '
echo "$ldif" | ldapadd -x -H $LDAP_SERVER -D $LDAP_BIND_DN -w "$ldap_bind_password"
echo "DONE."