136 lines
5.1 KiB
PHP
136 lines
5.1 KiB
PHP
<?php
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/**
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* Authenticate using HTTP login.
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*
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* @author Yorn de Jong
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* @author Oystein Kristoffer Tveit
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* @package simpleSAMLphp
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*/
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namespace SimpleSAML\Module\authpwauth\Auth\Source;
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class PwAuth extends \SimpleSAML\Module\core\Auth\UserPassBase
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{
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protected $pwauth_bin_path;
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protected $mail_domain;
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public function __construct(array $info, array &$config) {
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assert('is_array($info)');
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assert('is_array($config)');
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/* Call the parent constructor first, as required by the interface. */
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parent::__construct($info, $config);
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$this->pwauth_bin_path = $config['pwauth_bin_path'];
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if (array_key_exists('mail_domain', $config)) {
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$this->mail_domain = '@' . ltrim($config['mail_domain'], '@');
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}
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}
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public function login(string $username, string $password): array {
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$username = strtolower( $username );
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if (!file_exists($this->pwauth_bin_path)) {
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die("Could not find pwauth binary");
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return false;
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}
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if (!is_executable($this->pwauth_bin_path)) {
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die("pwauth binary is not executable");
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return false;
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}
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$handle = popen($this->pwauth_bin_path, 'w');
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if ($handle === FALSE) {
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die("Error opening pipe to pwauth");
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return false;
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}
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$data = "$username\n$password\n";
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if (fwrite($handle, $data) !== strlen($data)) {
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die("Error writing to pwauth pipe");
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return false;
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}
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# Is the password valid?
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$result = pclose( $handle );
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if ($result !== 0) {
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if (!in_array($result, [1, 2, 3, 4, 5, 6, 7], true)) {
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die("pwauth returned $result for username $username");
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}
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throw new \SimpleSAML\Error\Error('WRONGUSERPASS');
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}
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/*
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$ldap = ldap_connect('129.241.210.159', 389);
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ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
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ldap_start_tls($ldap);
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ldap_bind($ldap, 'passordendrer@pvv.ntnu.no', 'Oi7aekoh');
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$search = ldap_search($ldap, 'DC=pvv,DC=ntnu,DC=no', '(sAMAccountName='.ldap_escape($username, '', LDAP_ESCAPE_FILTER).')');
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$entry = ldap_first_entry($ldap, $search);
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$dn = ldap_get_dn($ldap, $entry);
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$newpassword = mb_convert_encoding("\"$password\"", 'UTF-16LE', 'UTF-8');
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ldap_modify_batch($ldap, $dn, [
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#[
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# 'modtype' => LDAP_MODIFY_BATCH_REMOVE,
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# 'attrib' => 'unicodePwd',
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# 'values' => [$password],
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#],
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[
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#'modtype' => LDAP_MODIFY_BATCH_ADD,
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'modtype' => LDAP_MODIFY_BATCH_REPLACE,
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'attrib' => 'unicodePwd',
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'values' => [$newpassword],
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],
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]);
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*/
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#0 - Login OK.
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#1 - Nonexistant login or (for some configurations) incorrect password.
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#2 - Incorrect password (for some configurations).
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#3 - Uid number is below MIN_UNIX_UID value configured in config.h.
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#4 - Login ID has expired.
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#5 - Login's password has expired.
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#6 - Logins to system have been turned off (usually by /etc/nologin file).
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#7 - Limit on number of bad logins exceeded.
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#50 - pwauth was not run with real uid SERVER_UID. If you get this
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# this error code, you probably have SERVER_UID set incorrectly
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# in pwauth's config.h file.
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#51 - pwauth was not given a login & password to check. The means
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# the passing of data from mod_auth_external to pwauth is messed
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# up. Most likely one is trying to pass data via environment
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# variables, while the other is trying to pass data via a pipe.
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#52 - one of several possible internal errors occured.
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$uid = $username;
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# TODO: Reinstate this code once passwd is working...
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/*
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$cn = trim(shell_exec('getent passwd '.escapeshellarg($uid).' | cut -d: -f5 | cut -d, -f1'));
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$groups = preg_split('_\\s_', shell_exec('groups '.escapeshellarg($uid)));
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array_shift($groups);
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array_shift($groups);
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array_pop($groups);
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$info = posix_getpwnam($uid);
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$group = $info['gid'];
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if (!in_array($group, $groups)) {
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$groups[] = $group;
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}
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*/
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$cn = "Unknown McUnknown";
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$groups = array();
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$result = array(
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'uid' => array($uid),
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'cn' => array($cn),
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'group' => $groups,
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);
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if (isset($this->mail_domain)) {
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$result['mail'] = array($uid.$this->mail_domain);
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}
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return $result;
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}
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}
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