Files
cloudron-box/src/ldap.js
T
Girish Ramakrishnan 2e02a3c71e Revert "only admins have sftp access"
This reverts commit ecc9415679.

We want to support the workflow where normal users can have SFTP
access without being cloudron admins. The reason it is admin only
is because it is possible to upload/modify app code via SFTP to
then get cloudron admin credentials.

For this reason, we will fixup the apps as follows:
* Unmanaged WP - remove LDAP integration
* LAMP - remove LDAP. We will make a new major version that informs
  the user NOT to update the app if they use LDAP. In 4.1, we will
  expose the LDAP server, so they can use the public LDAP server for
  any integration.
* Managed WP - Remove SFTP. This is contential but if people want to
  really build/develop plugins then they can use Unmanaged WP for the dev
  environment.
* Surfer - no change. Can have SFTP and LDAP since code is not modifiable

In general, should also be careful then about adding SFTP access to random
apps (like say nextcloud), since this would allow normal user to access
other people's data.
2019-05-22 14:32:45 -07:00

653 lines
26 KiB
JavaScript

'use strict';
exports = module.exports = {
start: start,
stop: stop
};
var assert = require('assert'),
appdb = require('./appdb.js'),
apps = require('./apps.js'),
async = require('async'),
config = require('./config.js'),
DatabaseError = require('./databaseerror.js'),
debug = require('debug')('box:ldap'),
eventlog = require('./eventlog.js'),
ldap = require('ldapjs'),
mail = require('./mail.js'),
MailError = mail.MailError,
mailboxdb = require('./mailboxdb.js'),
path = require('path'),
safe = require('safetydance'),
users = require('./users.js'),
UsersError = users.UsersError;
var gServer = null;
var NOOP = function () {};
var GROUP_USERS_DN = 'cn=users,ou=groups,dc=cloudron';
var GROUP_ADMINS_DN = 'cn=admins,ou=groups,dc=cloudron';
// Will attach req.app if successful
function authenticateApp(req, res, next) {
var sourceIp = req.connection.ldap.id.split(':')[0];
if (sourceIp.split('.').length !== 4) return next(new ldap.InsufficientAccessRightsError('Missing source identifier'));
apps.getByIpAddress(sourceIp, function (error, app) {
if (error) return next(new ldap.OperationsError(error.message));
if (!app) return next(new ldap.OperationsError('Could not detect app source'));
req.app = app;
next();
});
}
function getUsersWithAccessToApp(req, callback) {
assert.strictEqual(typeof req.app, 'object');
assert.strictEqual(typeof callback, 'function');
users.getAll(function (error, result) {
if (error) return callback(new ldap.OperationsError(error.toString()));
async.filter(result, apps.hasAccessTo.bind(null, req.app), function (error, allowedUsers) {
if (error) return callback(new ldap.OperationsError(error.toString()));
callback(null, allowedUsers);
});
});
}
// helper function to deal with pagination
function finalSend(results, req, res, next) {
var min = 0;
var max = results.length;
var cookie = null;
var pageSize = 0;
// check if this is a paging request, if so get the cookie for session info
req.controls.forEach(function (control) {
if (control.type === ldap.PagedResultsControl.OID) {
pageSize = control.value.size;
cookie = control.value.cookie;
}
});
function sendPagedResults(start, end) {
start = (start < min) ? min : start;
end = (end > max || end < min) ? max : end;
var i;
for (i = start; i < end; i++) {
res.send(results[i]);
}
return i;
}
if (cookie && Buffer.isBuffer(cookie)) {
// we have pagination
var first = min;
if (cookie.length !== 0) {
first = parseInt(cookie.toString(), 10);
}
var last = sendPagedResults(first, first + pageSize);
var resultCookie;
if (last < max) {
resultCookie = Buffer.from(last.toString());
} else {
resultCookie = Buffer.from('');
}
res.controls.push(new ldap.PagedResultsControl({
value: {
size: pageSize, // correctness not required here
cookie: resultCookie
}
}));
} else {
// no pagination simply send all
results.forEach(function (result) {
res.send(result);
});
}
// all done
res.end();
next();
}
function userSearch(req, res, next) {
debug('user search: dn %s, scope %s, filter %s (from %s)', req.dn.toString(), req.scope, req.filter.toString(), req.connection.ldap.id);
getUsersWithAccessToApp(req, function (error, result) {
if (error) return next(error);
var results = [];
// send user objects
result.forEach(function (entry) {
// skip entries with empty username. Some apps like owncloud can't deal with this
if (!entry.username) return;
var dn = ldap.parseDN('cn=' + entry.id + ',ou=users,dc=cloudron');
var groups = [ GROUP_USERS_DN ];
if (entry.admin || req.app.ownerId === entry.id) groups.push(GROUP_ADMINS_DN);
var displayName = entry.displayName || entry.username || ''; // displayName can be empty and username can be null
var nameParts = displayName.split(' ');
var firstName = nameParts[0];
var lastName = nameParts.length > 1 ? nameParts[nameParts.length - 1] : ''; // choose last part, if it exists
var obj = {
dn: dn.toString(),
attributes: {
objectclass: ['user'],
objectcategory: 'person',
cn: entry.id,
uid: entry.id,
mail: entry.email,
mailAlternateAddress: entry.fallbackEmail,
displayname: displayName,
givenName: firstName,
username: entry.username,
samaccountname: entry.username, // to support ActiveDirectory clients
isadmin: (entry.admin || req.app.ownerId === entry.id) ? 1 : 0,
memberof: groups
}
};
// http://www.zytrax.com/books/ldap/ape/core-schema.html#sn has 'name' as SUP which is a DirectoryString
// which is required to have atleast one character if present
if (lastName.length !== 0) obj.attributes.sn = lastName;
// ensure all filter values are also lowercase
var lowerCaseFilter = safe(function () { return ldap.parseFilter(req.filter.toString().toLowerCase()); }, null);
if (!lowerCaseFilter) return next(new ldap.OperationsError(safe.error.toString()));
if ((req.dn.equals(dn) || req.dn.parentOf(dn)) && lowerCaseFilter.matches(obj.attributes)) {
results.push(obj);
}
});
finalSend(results, req, res, next);
});
}
function groupSearch(req, res, next) {
debug('group search: dn %s, scope %s, filter %s (from %s)', req.dn.toString(), req.scope, req.filter.toString(), req.connection.ldap.id);
getUsersWithAccessToApp(req, function (error, result) {
if (error) return next(error);
var results = [];
var groups = [{
name: 'users',
admin: false
}, {
name: 'admins',
admin: true
}];
groups.forEach(function (group) {
var dn = ldap.parseDN('cn=' + group.name + ',ou=groups,dc=cloudron');
var members = group.admin ? result.filter(function (entry) { return entry.admin || req.app.ownerId === entry.id; }) : result;
var obj = {
dn: dn.toString(),
attributes: {
objectclass: ['group'],
cn: group.name,
memberuid: members.map(function(entry) { return entry.id; })
}
};
// ensure all filter values are also lowercase
var lowerCaseFilter = safe(function () { return ldap.parseFilter(req.filter.toString().toLowerCase()); }, null);
if (!lowerCaseFilter) return next(new ldap.OperationsError(safe.error.toString()));
if ((req.dn.equals(dn) || req.dn.parentOf(dn)) && lowerCaseFilter.matches(obj.attributes)) {
results.push(obj);
}
});
finalSend(results, req, res, next);
});
}
function groupUsersCompare(req, res, next) {
debug('group users compare: dn %s, attribute %s, value %s (from %s)', req.dn.toString(), req.attribute, req.value, req.connection.ldap.id);
getUsersWithAccessToApp(req, function (error, result) {
if (error) return next(error);
// we only support memberuid here, if we add new group attributes later add them here
if (req.attribute === 'memberuid') {
var found = result.find(function (u) { return u.id === req.value; });
if (found) return res.end(true);
}
res.end(false);
});
}
function groupAdminsCompare(req, res, next) {
debug('group admins compare: dn %s, attribute %s, value %s (from %s)', req.dn.toString(), req.attribute, req.value, req.connection.ldap.id);
getUsersWithAccessToApp(req, function (error, result) {
if (error) return next(error);
// we only support memberuid here, if we add new group attributes later add them here
if (req.attribute === 'memberuid') {
var found = result.find(function (u) { return u.id === req.value; });
if (found && (found.admin || req.app.ownerId == found.id)) return res.end(true);
}
res.end(false);
});
}
function mailboxSearch(req, res, next) {
debug('mailbox search: dn %s, scope %s, filter %s (from %s)', req.dn.toString(), req.scope, req.filter.toString(), req.connection.ldap.id);
// if cn is set we only search for one mailbox specifically
if (req.dn.rdns[0].attrs.cn) {
var email = req.dn.rdns[0].attrs.cn.value.toLowerCase();
var parts = email.split('@');
if (parts.length !== 2) return next(new ldap.NoSuchObjectError(req.dn.toString()));
mailboxdb.getMailbox(parts[0], parts[1], function (error, mailbox) {
if (error && error.reason === DatabaseError.NOT_FOUND) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (error) return next(new ldap.OperationsError(error.toString()));
var obj = {
dn: req.dn.toString(),
attributes: {
objectclass: ['mailbox'],
objectcategory: 'mailbox',
cn: `${mailbox.name}@${mailbox.domain}`,
uid: `${mailbox.name}@${mailbox.domain}`,
mail: `${mailbox.name}@${mailbox.domain}`
}
};
// ensure all filter values are also lowercase
var lowerCaseFilter = safe(function () { return ldap.parseFilter(req.filter.toString().toLowerCase()); }, null);
if (!lowerCaseFilter) return next(new ldap.OperationsError(safe.error.toString()));
if (lowerCaseFilter.matches(obj.attributes)) {
finalSend([ obj ], req, res, next);
} else {
res.end();
}
});
} else if (req.dn.rdns[0].attrs.domain) {
var domain = req.dn.rdns[0].attrs.domain.value.toLowerCase();
mailboxdb.listMailboxes(domain, function (error, result) {
if (error) return next(new ldap.OperationsError(error.toString()));
var results = [];
// send mailbox objects
result.forEach(function (mailbox) {
var dn = ldap.parseDN(`cn=${mailbox.name}@${domain},domain=${domain},ou=mailboxes,dc=cloudron`);
var obj = {
dn: dn.toString(),
attributes: {
objectclass: ['mailbox'],
objectcategory: 'mailbox',
cn: `${mailbox.name}@${domain}`,
uid: `${mailbox.name}@${domain}`,
mail: `${mailbox.name}@${domain}`
}
};
// ensure all filter values are also lowercase
var lowerCaseFilter = safe(function () { return ldap.parseFilter(req.filter.toString().toLowerCase()); }, null);
if (!lowerCaseFilter) return next(new ldap.OperationsError(safe.error.toString()));
if ((req.dn.equals(dn) || req.dn.parentOf(dn)) && lowerCaseFilter.matches(obj.attributes)) {
results.push(obj);
}
});
finalSend(results, req, res, next);
});
} else {
return next(new ldap.NoSuchObjectError(req.dn.toString()));
}
}
function mailAliasSearch(req, res, next) {
debug('mail alias get: dn %s, scope %s, filter %s (from %s)', req.dn.toString(), req.scope, req.filter.toString(), req.connection.ldap.id);
if (!req.dn.rdns[0].attrs.cn) return next(new ldap.NoSuchObjectError(req.dn.toString()));
var email = req.dn.rdns[0].attrs.cn.value.toLowerCase();
var parts = email.split('@');
if (parts.length !== 2) return next(new ldap.NoSuchObjectError(req.dn.toString()));
mailboxdb.getAlias(parts[0], parts[1], function (error, alias) {
if (error && error.reason === DatabaseError.NOT_FOUND) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (error) return next(new ldap.OperationsError(error.toString()));
// https://wiki.debian.org/LDAP/MigrationTools/Examples
// https://docs.oracle.com/cd/E19455-01/806-5580/6jej518pp/index.html
// member is fully qualified - https://docs.oracle.com/cd/E19957-01/816-6082-10/chap4.doc.html#43314
var obj = {
dn: req.dn.toString(),
attributes: {
objectclass: ['nisMailAlias'],
objectcategory: 'nisMailAlias',
cn: `${alias.name}@${alias.domain}`,
rfc822MailMember: `${alias.aliasTarget}@${alias.domain}`
}
};
// ensure all filter values are also lowercase
var lowerCaseFilter = safe(function () { return ldap.parseFilter(req.filter.toString().toLowerCase()); }, null);
if (!lowerCaseFilter) return next(new ldap.OperationsError(safe.error.toString()));
if (lowerCaseFilter.matches(obj.attributes)) {
finalSend([ obj ], req, res, next);
} else {
res.end();
}
});
}
function mailingListSearch(req, res, next) {
debug('mailing list get: dn %s, scope %s, filter %s (from %s)', req.dn.toString(), req.scope, req.filter.toString(), req.connection.ldap.id);
if (!req.dn.rdns[0].attrs.cn) return next(new ldap.NoSuchObjectError(req.dn.toString()));
var email = req.dn.rdns[0].attrs.cn.value.toLowerCase();
var parts = email.split('@');
if (parts.length !== 2) return next(new ldap.NoSuchObjectError(req.dn.toString()));
mailboxdb.getGroup(parts[0], parts[1], function (error, group) {
if (error && error.reason === DatabaseError.NOT_FOUND) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (error) return next(new ldap.OperationsError(error.toString()));
// http://ldapwiki.willeke.com/wiki/Original%20Mailgroup%20Schema%20From%20Netscape
// members are fully qualified (https://docs.oracle.com/cd/E19444-01/816-6018-10/groups.htm#13356)
var obj = {
dn: req.dn.toString(),
attributes: {
objectclass: ['mailGroup'],
objectcategory: 'mailGroup',
cn: `${group.name}@${group.domain}`, // fully qualified
mail: `${group.name}@${group.domain}`,
mgrpRFC822MailMember: group.members.map(function (m) { return `${m}@${group.domain}`; })
}
};
// ensure all filter values are also lowercase
var lowerCaseFilter = safe(function () { return ldap.parseFilter(req.filter.toString().toLowerCase()); }, null);
if (!lowerCaseFilter) return next(new ldap.OperationsError(safe.error.toString()));
if (lowerCaseFilter.matches(obj.attributes)) {
finalSend([ obj ], req, res, next);
} else {
res.end();
}
});
}
// Will attach req.user if successful
function authenticateUser(req, res, next) {
debug('user bind: %s (from %s)', req.dn.toString(), req.connection.ldap.id);
// extract the common name which might have different attribute names
var attributeName = Object.keys(req.dn.rdns[0].attrs)[0];
var commonName = req.dn.rdns[0].attrs[attributeName].value;
if (!commonName) return next(new ldap.NoSuchObjectError(req.dn.toString()));
var api;
if (attributeName === 'mail') {
api = users.verifyWithEmail;
} else if (commonName.indexOf('@') !== -1) { // if mail is specified, enforce mail check
api = users.verifyWithEmail;
} else if (commonName.indexOf('uid-') === 0) {
api = users.verify;
} else {
api = users.verifyWithUsername;
}
api(commonName, req.credentials || '', function (error, user) {
if (error && error.reason === UsersError.NOT_FOUND) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (error && error.reason === UsersError.WRONG_PASSWORD) return next(new ldap.InvalidCredentialsError(req.dn.toString()));
if (error) return next(new ldap.OperationsError(error.message));
req.user = user;
next();
});
}
function authorizeUserForApp(req, res, next) {
assert.strictEqual(typeof req.user, 'object');
assert.strictEqual(typeof req.app, 'object');
apps.hasAccessTo(req.app, req.user, function (error, result) {
if (error) return next(new ldap.OperationsError(error.toString()));
// we return no such object, to avoid leakage of a users existence
if (!result) return next(new ldap.NoSuchObjectError(req.dn.toString()));
eventlog.add(eventlog.ACTION_USER_LOGIN, { authType: 'ldap', appId: req.app.id }, { userId: req.user.id, user: users.removePrivateFields(req.user) });
res.end();
});
}
function authenticateUserMailbox(req, res, next) {
debug('user mailbox auth: %s (from %s)', req.dn.toString(), req.connection.ldap.id);
if (!req.dn.rdns[0].attrs.cn) return next(new ldap.NoSuchObjectError(req.dn.toString()));
var email = req.dn.rdns[0].attrs.cn.value.toLowerCase();
var parts = email.split('@');
if (parts.length !== 2) return next(new ldap.NoSuchObjectError(req.dn.toString()));
mail.getDomain(parts[1], function (error, domain) {
if (error && error.reason === MailError.NOT_FOUND) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (error) return next(new ldap.OperationsError(error.message));
if (!domain.enabled) return next(new ldap.NoSuchObjectError(req.dn.toString()));
mailboxdb.getMailbox(parts[0], parts[1], function (error, mailbox) {
if (error && error.reason === DatabaseError.NOT_FOUND) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (error) return next(new ldap.OperationsError(error.message));
users.verify(mailbox.ownerId, req.credentials || '', function (error, result) {
if (error && error.reason === UsersError.NOT_FOUND) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (error && error.reason === UsersError.WRONG_PASSWORD) return next(new ldap.InvalidCredentialsError(req.dn.toString()));
if (error) return next(new ldap.OperationsError(error.message));
eventlog.add(eventlog.ACTION_USER_LOGIN, { authType: 'ldap', mailboxId: email }, { userId: result.id, user: users.removePrivateFields(result) });
res.end();
});
});
});
}
function authenticateSftp(req, res, next) {
debug('sftp auth: %s (from %s)', req.dn.toString(), req.connection.ldap.id);
if (!req.dn.rdns[0].attrs.cn) return next(new ldap.NoSuchObjectError(req.dn.toString()));
var email = req.dn.rdns[0].attrs.cn.value.toLowerCase();
var parts = email.split('@');
if (parts.length !== 2) return next(new ldap.NoSuchObjectError(req.dn.toString()));
// actual user bind
users.verifyWithUsername(parts[0], req.credentials, function (error) {
if (error) return next(new ldap.InvalidCredentialsError(req.dn.toString()));
debug('sftp auth: success');
res.end();
});
}
function userSearchSftp(req, res, next) {
debug('sftp user search: dn %s, scope %s, filter %s (from %s)', req.dn.toString(), req.scope, req.filter.toString(), req.connection.ldap.id);
if (req.filter.attribute !== 'username' || !req.filter.value) return next(new ldap.NoSuchObjectError(req.dn.toString()));
var parts = req.filter.value.split('@');
if (parts.length !== 2) return next(new ldap.NoSuchObjectError(req.dn.toString()));
var username = parts[0];
var appFqdn = parts[1];
apps.getByFqdn(appFqdn, function (error, app) {
if (error) return next(new ldap.OperationsError(error.toString()));
// only allow apps which specify "ftp" support in the localstorage addon
if (!safe.query(app.manifest.addons, 'localstorage.ftp.uid')) return next(new ldap.UnavailableError('Not supported'));
if (typeof app.manifest.addons.localstorage.ftp.uid !== 'number') return next(new ldap.UnavailableError('Bad uid, must be a number'));
const uidNumber = app.manifest.addons.localstorage.ftp.uid;
users.getByUsername(username, function (error, user) {
if (error) return next(new ldap.OperationsError(error.toString()));
apps.hasAccessTo(app, user, function (error, hasAccess) {
if (error) return next(new ldap.OperationsError(error.toString()));
if (!hasAccess) return next(new ldap.InsufficientAccessRightsError('Not authorized'));
var obj = {
dn: ldap.parseDN(`cn=${username}@${appFqdn},ou=sftp,dc=cloudron`).toString(),
attributes: {
homeDirectory: path.join('/app/data', app.id, 'data'),
objectclass: ['user'],
objectcategory: 'person',
cn: user.id,
uid: `${username}@${appFqdn}`, // for bind after search
uidNumber: uidNumber, // unix uid for ftp access
gidNumber: uidNumber // unix gid for ftp access
}
};
finalSend([ obj ], req, res, next);
});
});
});
}
function authenticateMailAddon(req, res, next) {
debug('mail addon auth: %s (from %s)', req.dn.toString(), req.connection.ldap.id);
if (!req.dn.rdns[0].attrs.cn) return next(new ldap.NoSuchObjectError(req.dn.toString()));
var email = req.dn.rdns[0].attrs.cn.value.toLowerCase();
var parts = email.split('@');
if (parts.length !== 2) return next(new ldap.NoSuchObjectError(req.dn.toString()));
const addonId = req.dn.rdns[1].attrs.ou.value.toLowerCase(); // 'sendmail' or 'recvmail'
mail.getDomain(parts[1], function (error, domain) {
if (error && error.reason === MailError.NOT_FOUND) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (error) return next(new ldap.OperationsError(error.message));
if (addonId === 'recvmail' && !domain.enabled) return next(new ldap.NoSuchObjectError(req.dn.toString()));
let name;
if (addonId === 'sendmail') name = 'MAIL_SMTP_PASSWORD';
else if (addonId === 'recvmail') name = 'MAIL_IMAP_PASSWORD';
else return next(new ldap.OperationsError('Invalid DN'));
// note: with sendmail addon, apps can send mail without a mailbox (unlike users)
appdb.getAppIdByAddonConfigValue(addonId, name, req.credentials || '', function (error, appId) {
if (error && error.reason !== DatabaseError.NOT_FOUND) return next(new ldap.OperationsError(error.message));
if (appId) { // matched app password
eventlog.add(eventlog.ACTION_APP_LOGIN, { authType: 'ldap', mailboxId: email }, { appId: appId, addonId: addonId });
return res.end();
}
mailboxdb.getMailbox(parts[0], parts[1], function (error, mailbox) {
if (error && error.reason === DatabaseError.NOT_FOUND) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (error) return next(new ldap.OperationsError(error.message));
users.verify(mailbox.ownerId, req.credentials || '', function (error, result) {
if (error && error.reason === UsersError.NOT_FOUND) return next(new ldap.NoSuchObjectError(req.dn.toString()));
if (error && error.reason === UsersError.WRONG_PASSWORD) return next(new ldap.InvalidCredentialsError(req.dn.toString()));
if (error) return next(new ldap.OperationsError(error.message));
eventlog.add(eventlog.ACTION_USER_LOGIN, { authType: 'ldap', mailboxId: email }, { userId: result.id, user: users.removePrivateFields(result) });
res.end();
});
});
});
});
}
function start(callback) {
assert.strictEqual(typeof callback, 'function');
var logger = {
trace: NOOP,
debug: NOOP,
info: debug,
warn: debug,
error: console.error,
fatal: console.error
};
gServer = ldap.createServer({ log: logger });
gServer.on('error', function (error) {
console.error('LDAP:', error);
});
gServer.search('ou=users,dc=cloudron', authenticateApp, userSearch);
gServer.search('ou=groups,dc=cloudron', authenticateApp, groupSearch);
gServer.bind('ou=users,dc=cloudron', authenticateApp, authenticateUser, authorizeUserForApp);
// http://www.ietf.org/proceedings/43/I-D/draft-srivastava-ldap-mail-00.txt
gServer.search('ou=mailboxes,dc=cloudron', mailboxSearch); // haraka, dovecot
gServer.bind('ou=mailboxes,dc=cloudron', authenticateUserMailbox); // apps like sogo can use domain=${domain} to authenticate a mailbox
gServer.search('ou=mailaliases,dc=cloudron', mailAliasSearch); // haraka
gServer.search('ou=mailinglists,dc=cloudron', mailingListSearch); // haraka
gServer.bind('ou=recvmail,dc=cloudron', authenticateMailAddon); // dovecot
gServer.bind('ou=sendmail,dc=cloudron', authenticateMailAddon); // haraka
gServer.bind('ou=sftp,dc=cloudron', authenticateSftp); // sftp
gServer.search('ou=sftp,dc=cloudron', userSearchSftp);
gServer.compare('cn=users,ou=groups,dc=cloudron', authenticateApp, groupUsersCompare);
gServer.compare('cn=admins,ou=groups,dc=cloudron', authenticateApp, groupAdminsCompare);
// this is the bind for addons (after bind, they might search and authenticate)
gServer.bind('ou=addons,dc=cloudron', function(req, res /*, next */) {
debug('addons bind: %s', req.dn.toString()); // note: cn can be email or id
res.end();
});
// this is the bind for apps (after bind, they might search and authenticate user)
gServer.bind('ou=apps,dc=cloudron', function(req, res /*, next */) {
// TODO: validate password
debug('application bind: %s', req.dn.toString());
res.end();
});
gServer.listen(config.get('ldapPort'), '0.0.0.0', callback);
}
function stop(callback) {
assert.strictEqual(typeof callback, 'function');
if (gServer) gServer.close();
callback();
}