--- /dev/null
+#!/usr/bin/env bash
+
+LDAPSEARCH=ldapsearch
+
+LDAP_BIND="cn=ssh,ou=services,dc=immae,dc=eu"
+LDAP_PASS=$(cat /etc/ssh/ldap_password)
+LDAP_HOST="ldap://ldap.immae.eu"
+LDAP_BASE="dc=immae,dc=eu"
+LDAP_FILTER="(memberOf=cn=users,cn=ftp,ou=services,dc=immae,dc=eu)"
+
+handle_keys() {
+ uids="$1"
+ keys="$2"
+ if [ -n "$uids" ]; then
+ for uid in $uids; do
+ echo "$keys" | while read key; do
+ if [ -n "$key" ]; then
+ ssh-keygen -e -f <(echo "$key")
+ fi
+ done > /var/lib/proftpd/authorized_keys/$uid
+ done
+ fi
+}
+
+mkdir -p /var/lib/proftpd/authorized_keys
+
+while read i; do
+ if [[ "$i" =~ ^dn: ]]; then
+ handle_keys "$uids" "$keys"
+ uids=""
+ keys=""
+ fi;
+ if [[ "$i" =~ ^uid: ]]; then
+ uids="$uids ${i#uid: }"
+ fi
+ if [[ "$i" =~ ^immaeSshKey: ]]; then
+ key="${i#immaeSshKey: }"
+ if [[ "$key" =~ ^ssh- ]]; then
+ keys="$keys
+$key"
+ elif echo "$key" | cut -d" " -f1 | grep -q "\bftp\b"; then
+ keys="$keys
+$(echo "$key" | cut -d" " -f2-)"
+ fi
+ fi
+done < <(ldapsearch -H "$LDAP_HOST" -ZZ -LLL -D "$LDAP_BIND" -w "$LDAP_PASS" -b "$LDAP_BASE" -x -o ldif-wrap=no "$LDAP_FILTER" uid immaeSshKey)
+handle_keys "$uids" "$keys"