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require "ldap"
require "ldap/ldif"
require "ldap/schema"
require "ldap/control"
module LDAP
unless const_defined?(:LDAP_OPT_ERROR_NUMBER)
LDAP_OPT_ERROR_NUMBER = 0x0031
end
class Mod
unless instance_method(:to_s).arity.zero?
alias_method :original_to_s, :to_s
def to_s
inspect
end
end
alias_method :_initialize, :initialize
def initialize(op, type, vals)
if (VERSION.split(/\./).collect {|x| x.to_i} <=> [0, 9, 7]) <= 0
@op, @type, @vals = op, type, vals # to protect from GC
end
_initialize(op, type, vals)
end
end
IMPLEMENT_SPECIFIC_ERRORS = {}
{
0x51 => "SERVER_DOWN",
0x52 => "LOCAL_ERROR",
0x53 => "ENCODING_ERROR",
0x54 => "DECODING_ERROR",
0x55 => "TIMEOUT",
0x56 => "AUTH_UNKNOWN",
0x57 => "FILTER_ERROR",
0x58 => "USER_CANCELLED",
0x59 => "PARAM_ERROR",
0x5a => "NO_MEMORY",
0x5b => "CONNECT_ERROR",
0x5c => "NOT_SUPPORTED",
0x5d => "CONTROL_NOT_FOUND",
0x5e => "NO_RESULTS_RETURNED",
0x5f => "MORE_RESULTS_TO_RETURN",
0x60 => "CLIENT_LOOP",
0x61 => "REFERRAL_LIMIT_EXCEEDED",
}.each do |code, name|
IMPLEMENT_SPECIFIC_ERRORS[code] =
ActiveLdap::LdapError.define(code, name, self)
end
class Conn
begin
instance_method(:search_ext)
@@have_search_ext = true
rescue NameError
@@have_search_ext = false
end
def search_full(options, &block)
base = options[:base]
scope = options[:scope]
filter = options[:filter]
attributes = options[:attributes]
limit = options[:limit] || 0
use_paged_results = options[:use_paged_results]
page_size = options[:page_size]
if @@have_search_ext
if use_paged_results
paged_search(base,
scope,
filter,
attributes,
limit,
page_size,
&block)
else
search_ext(base,
scope,
filter,
attributes,
false,
nil,
nil,
0,
0,
limit,
&block)
end
else
i = 0
search(base, scope, filter, attributes) do |entry|
i += 1
block.call(entry)
break if 0 < limit and limit <= i
end
end
end
def failed?
not error_code.zero?
end
def error_code
code = err
code = get_option(LDAP_OPT_ERROR_NUMBER) if code.zero?
code
end
def error_message
if failed?
LDAP.err2string(error_code)
else
nil
end
end
def assert_error_code
return unless failed?
code = error_code
message = error_message
klass = ActiveLdap::LdapError::ERRORS[code]
klass ||= IMPLEMENT_SPECIFIC_ERRORS[code]
if klass.nil? and message == "Can't contact LDAP server"
klass = ActiveLdap::ConnectionError
end
klass ||= ActiveLdap::LdapError
raise klass, message
end
private
def find_paged_results_control(controls)
controls.find do |control|
control.oid == LDAP::LDAP_CONTROL_PAGEDRESULTS
end
end
def paged_search(base, scope, filter, attributes, limit, page_size, &block)
cookie = ""
critical = true
loop do
ber_string = LDAP::Control.encode(page_size, cookie)
control = LDAP::Control.new(LDAP::LDAP_CONTROL_PAGEDRESULTS,
ber_string,
critical)
search_ext(base,
scope,
filter,
attributes,
false,
[control],
nil,
0,
0,
limit,
&block)
control = find_paged_results_control(@controls)
break if control.nil?
_estimated_result_set_size, cookie = control.decode
break if cookie.empty?
end
end
end
end
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