FreedomBox/actions/remove-ldap-user-from-group

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#!/bin/sh
#
# This file is part of Plinth.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Must be run as root.
username="$1"
groupname="$2"
cat <<EOF |ldapmodify -Y EXTERNAL -H ldapi:///
dn: cn=$groupname,ou=groups,dc=thisbox
changetype: modify
delete: member
member: uid=$username,ou=users,dc=thisbox
EOF
if [ $? -eq 0 ]; then
echo "Removed user from group"
elif [ $? -eq 16 ]; then
echo "User was not in group"
exit 1
elif [ $? -eq 65 ]; then
# Cannot have empty group, so just delete the group.
ldapdelete -Y EXTERNAL -H ldapi:/// "cn=$groupname,ou=groups,dc=thisbox"
if [ $? -eq 0 ]; then
echo "User was last member in group, so group was deleted."
else
echo "User was last member in group, but could not delete group."
exit 1
fi
fi
if [ "$groupname" == "admin" ]; then
# update sudo group if needed
results=$(ldapsearch -Y EXTERNAL -H ldapi:/// -b 'cn=sudo,ou=groups,dc=thisbox' -LLL "(memberUid=$username)")
if [ -n "$results" ]; then
cat <<EOF |ldapmodify -Y EXTERNAL -H ldapi:///
dn: cn=sudo,ou=groups,dc=thisbox
changetype: modify
delete: memberUid
memberUid: $username
EOF
fi
fi