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#!/usr/bin/env ruby
$LOAD_PATH.unshift('lib')
require 'ldap/server'
LOGGER = Logger.new($stderr)
# We subclass the Operation class, overriding the methods to do what we need
class HashOperation < LDAP::Server::Operation
def initialize(connection, message_id, hash)
super(connection, message_id)
@hash = hash
end
# ici, c'est bizarre
# systèmatiquement appelé (SEARCH ou AUTH)
# du coup, je retourne super si pas de dn => SEARCH normal sans authentication
# sinon ça passe aussi !!!
def do_bind(operation, _controls)
dn = operation.value[1].value
dn = nil if dn == ''
return super if dn.nil?
password = operation.value[2].value
email = extract_mail_from_dn(dn)
authenticated = valid?(email, password)
LOGGER.info("AUTHENTICATION email=#{email} => #{authenticated}")
send_BindResponse(authenticated ? 0 : 1)
end
def extract_mail_from_dn(entry)
entry[/mail=(.*?),/, 1] # short for regex first capture
end
def valid?(_email, password)
password == 'toto'
end
def search(basedn, scope, deref, filter)
basedn = basedn.downcase
LOGGER.info("SEARCHING...basedn=\"#{basedn}\", scope=#{scope}, deref=#{deref}, filter=#{filter}")
case scope
when LDAP::Server::BaseObject
# client asked for single object by DN
obj = @hash[basedn]
raise LDAP::ResultError::NoSuchObject unless obj
if LDAP::Server::Filter.run(filter, obj)
LOGGER.info("1 Base Found: #{obj}")
send_SearchResultEntry(basedn, obj)
end
when LDAP::Server::WholeSubtree
found = 0
@hash.each do |dn, av|
next unless dn.index(basedn, -basedn.length) # under basedn?
next unless LDAP::Server::Filter.run(filter, av) # attribute filter?
found += 1
LOGGER.info("Found Filtered #{av}")
send_SearchResultEntry(dn, av)
end
found = 'NO' if found == 0
LOGGER.info("#{found} items found")
else
raise LDAP::ResultError::UnwillingToPerform, 'OneLevel not implemented'
end
send_SearchResultDone(0)
end
end
# This is the shared object which carries our actual directory entries.
# It's just a hash of {dn=>entry}, where each entry is {attr=>[val,val,...]}
directory = {}
require 'yaml'
File.open('examples/ldapdb.yaml') { |f| directory = YAML.load(f.read) }
LOGGER.info("DIRECTORY=#{directory}")
# Listen for incoming LDAP connections. For each one, create a Connection
# object, which will invoke a HashOperation object for each request.
s = LDAP::Server.new(
port: 1389,
nodelay: true,
listen: 10,
operation_class: HashOperation,
operation_args: [directory]
)
LOGGER.info('Ready to perform LDAP operations...')
s.run_tcpserver
s.join