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# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): Terry Weissman <terry@mozilla.org>
# Dan Mosedale <dmose@mozilla.org>
# Joe Robins <jmrobins@tgix.com>
# Dave Miller <justdave@syndicomm.com>
# Christopher Aillon <christopher@aillon.com>
# Gervase Markham <gerv@gerv.net>
# Christian Reis <kiko@async.com.br>
# Bradley Baetz <bbaetz@acm.org>
# Erik Stambaugh <erik@dasbistro.com>
# Max Kanat-Alexander <mkanat@bugzilla.org>
package Bugzilla::Auth::Verify::LDAP;
use strict;
use base qw(Bugzilla::Auth::Verify);
use fields qw(
ldap
);
use Bugzilla::Config;
use Bugzilla::Constants;
use Bugzilla::Error;
use Net::LDAP;
use constant DEFAULT_PORT => 389;
use constant DEFAULT_SSL_PORT => 636;
use constant admin_can_create_account => 0;
use constant user_can_create_account => 0;
sub check_credentials {
my ($self, $params) = @_;
my $dbh = Bugzilla->dbh;
# We need to bind anonymously to the LDAP server. This is
# because we need to get the Distinguished Name of the user trying
# to log in. Some servers (such as iPlanet) allow you to have unique
# uids spread out over a subtree of an area (such as "People"), so
# just appending the Base DN to the uid isn't sufficient to get the
# user's DN. For servers which don't work this way, there will still
# be no harm done.
$self->_bind_ldap_anonymously();
# Now, we verify that the user exists, and get a LDAP Distinguished
# Name for the user.
my $username = $params->{username};
my $dn_result = $self->ldap->search(_bz_search_params($username),
attrs => ['dn']);
return { failure => AUTH_ERROR, error => "ldap_search_error",
details => {errstr => $dn_result->error, username => $username}
} if $dn_result->code;
return { failure => AUTH_NO_SUCH_USER } if !$dn_result->count;
my $dn = $dn_result->shift_entry->dn;
# Check the password.
my $pw_result = $self->ldap->bind($dn, password => $params->{password});
return { failure => AUTH_LOGINFAILED } if $pw_result->code;
# And now we fill in the user's details.
my $detail_result = $self->ldap->search(_bz_search_params($username));
return { failure => AUTH_ERROR, error => "ldap_search_error",
details => {errstr => $detail_result->error, username => $username}
} if $detail_result->code;
my $user_entry = $detail_result->shift_entry;
my $mail_attr = Bugzilla->params->{"LDAPmailattribute"};
if ($mail_attr) {
if (!$user_entry->exists($mail_attr)) {
return { failure => AUTH_ERROR,
error => "ldap_cannot_retreive_attr",
details => {attr => $mail_attr} };
}
$params->{bz_username} = $user_entry->get_value($mail_attr);
} else {
$params->{bz_username} = $username;
}
$params->{realname} ||= $user_entry->get_value("displayName");
$params->{realname} ||= $user_entry->get_value("cn");
return $params;
}
sub _bz_search_params {
my ($username) = @_;
return (base => Bugzilla->params->{"LDAPBaseDN"},
scope => "sub",
filter => '(&(' . Bugzilla->params->{"LDAPuidattribute"}
. "=$username)"
. Bugzilla->params->{"LDAPfilter"} . ')');
}
sub _bind_ldap_anonymously {
my ($self) = @_;
my $bind_result;
if (Bugzilla->params->{"LDAPbinddn"}) {
my ($LDAPbinddn,$LDAPbindpass) =
split(":",Bugzilla->params->{"LDAPbinddn"});
$bind_result =
$self->ldap->bind($LDAPbinddn, password => $LDAPbindpass);
}
else {
$bind_result = $self->ldap->bind();
}
ThrowCodeError("ldap_bind_failed", {errstr => $bind_result->error})
if $bind_result->code;
}
# We can't just do this in new(), because we're not allowed to throw any
# error from anywhere under Bugzilla::Auth::new -- otherwise we
# could create a situation where the admin couldn't get to editparams
# to fix his mistake. (Because Bugzilla->login always calls
# Bugzilla::Auth->new, and almost every page calls Bugzilla->login.)
sub ldap {
my ($self) = @_;
return $self->{ldap} if $self->{ldap};
my $server = Bugzilla->params->{"LDAPserver"};
ThrowCodeError("ldap_server_not_defined") unless $server;
my $port = DEFAULT_PORT;
my $protocol = "ldap";
if ($server =~ /(ldap|ldaps):\/\/(.*)/) {
# ldap(s)://server(:port)
$protocol = $1;
my $server_part = $2;
if ($server_part =~ /:/) {
# ldap(s)://server:port
($server, $port) = split(":", $server_part);
} else {
# ldap(s)://server
$server = $server_part;
if ($protocol eq "ldaps") {
$port = DEFAULT_SSL_PORT;
}
}
} elsif ($server =~ /:/) {
# server:port
($server, $port) = split(":", $server);
}
my $conn_string = "$protocol://$server:$port";
$self->{ldap} = new Net::LDAP($conn_string)
|| ThrowCodeError("ldap_connect_failed", { server => $conn_string });
# try to start TLS if needed
if (Bugzilla->params->{"LDAPstarttls"}) {
my $mesg = $self->{ldap}->start_tls();
ThrowCodeError("ldap_start_tls_failed", { error => $mesg->error() })
if $mesg->code();
}
return $self->{ldap};
}
1;
|
