tools/rc-new-ldap-user
2020-11-05 11:22:31 +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
# Default user details to quiet shellcheck (FIXME?).
uid=""
mail=""
given_name=""
sn=""
password=""
# 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."