Add CLI script for hashing LDAP passwords

Only takes a cleartext password and outputs a salted, hashed password
string for LDAP documents.

scripts/ldap/hash_pw.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+password=$(ruby -r base64 -r digest -r securerandom -e "salt = SecureRandom.hex(32); password = '$1'; puts '{SSHA512}' + Base64.strict_encode64(Digest::SHA512.digest(password + salt) + salt)");
+
+echo $password;