Tagging plugins for 0.8-betav0.8-beta

1 files changed, 319 insertions, 0 deletions

diff --git a/plugins/password/drivers/ldap.php b/plugins/password/drivers/ldap.php
new file mode 100644
index 000000000..def07a175
--- /dev/null
+++ b/plugins/password/drivers/ldap.php
@@ -0,0 +1,319 @@
+<?php
+
+/**
+ * LDAP Password Driver
+ *
+ * Driver for passwords stored in LDAP
+ * This driver use the PEAR Net_LDAP2 class (http://pear.php.net/package/Net_LDAP2).
+ *
+ * @version 2.0
+ * @author Edouard MOREAU <edouard.moreau@ensma.fr>
+ *
+ * method hashPassword based on code from the phpLDAPadmin development team (http://phpldapadmin.sourceforge.net/).
+ * method randomSalt based on code from the phpLDAPadmin development team (http://phpldapadmin.sourceforge.net/).
+ *
+ */
+
+class rcube_ldap_password
+{
+    public function save($curpass, $passwd)
+    {
+        $rcmail = rcmail::get_instance();
+        require_once 'Net/LDAP2.php';
+
+        // Building user DN
+        if ($userDN = $rcmail->config->get('password_ldap_userDN_mask')) {
+            $userDN = $this->substitute_vars($userDN);
+        } else {
+            $userDN = $this->search_userdn($rcmail);
+        }
+
+        if (empty($userDN)) {
+            return PASSWORD_CONNECT_ERROR;
+        }
+
+        // Connection Method
+        switch($rcmail->config->get('password_ldap_method')) {
+            case 'admin':
+                $binddn = $rcmail->config->get('password_ldap_adminDN');
+                $bindpw = $rcmail->config->get('password_ldap_adminPW');
+                break;
+            case 'user':
+            default:
+                $binddn = $userDN;
+                $bindpw = $curpass;
+                break;
+        }
+
+        // Configuration array
+        $ldapConfig = array (
+            'binddn'    => $binddn,
+            'bindpw'    => $bindpw,
+            'basedn'    => $rcmail->config->get('password_ldap_basedn'),
+            'host'      => $rcmail->config->get('password_ldap_host'),
+            'port'      => $rcmail->config->get('password_ldap_port'),
+            'starttls'  => $rcmail->config->get('password_ldap_starttls'),
+            'version'   => $rcmail->config->get('password_ldap_version'),
+        );
+
+        // Connecting using the configuration array
+        $ldap = Net_LDAP2::connect($ldapConfig);
+
+        // Checking for connection error
+        if (PEAR::isError($ldap)) {
+            return PASSWORD_CONNECT_ERROR;
+        }
+
+        $crypted_pass = $this->hashPassword($passwd, $rcmail->config->get('password_ldap_encodage'));
+        $force        = $rcmail->config->get('password_ldap_force_replace');
+        $pwattr       = $rcmail->config->get('password_ldap_pwattr');
+        $lchattr      = $rcmail->config->get('password_ldap_lchattr');
+        $smbpwattr    = $rcmail->config->get('password_ldap_samba_pwattr');
+        $smblchattr   = $rcmail->config->get('password_ldap_samba_lchattr');
+        $samba        = $rcmail->config->get('password_ldap_samba');
+
+        // Support password_ldap_samba option for backward compat.
+        if ($samba && !$smbpwattr) {
+            $smbpwattr  = 'sambaNTPassword';
+            $smblchattr = 'sambaPwdLastSet';
+        }
+
+        // Crypt new password
+        if (!$crypted_pass) {
+            return PASSWORD_CRYPT_ERROR;
+        }
+
+        // Crypt new samba password
+        if ($smbpwattr && !($samba_pass = $this->hashPassword($passwd, 'samba'))) {
+	        return PASSWORD_CRYPT_ERROR;
+        }
+
+        // Writing new crypted password to LDAP
+        $userEntry = $ldap->getEntry($userDN);
+        if (Net_LDAP2::isError($userEntry)) {
+            return PASSWORD_CONNECT_ERROR;
+        }
+
+        if (!$userEntry->replace(array($pwattr => $crypted_pass), $force)) {
+            return PASSWORD_CONNECT_ERROR;
+        }
+
+        // Updating PasswordLastChange Attribute if desired
+        if ($lchattr) {
+            $current_day = (int)(time() / 86400);
+            if (!$userEntry->replace(array($lchattr => $current_day), $force)) {
+                return PASSWORD_CONNECT_ERROR;
+            }
+        }
+
+        // Update Samba password and last change fields
+        if ($smbpwattr) {
+            $userEntry->replace(array($smbpwattr => $samba_pass), $force);
+        }
+        // Update Samba password last change field
+        if ($smblchattr) {
+            $userEntry->replace(array($smblchattr => time()), $force);
+        }
+
+        if (Net_LDAP2::isError($userEntry->update())) {
+            return PASSWORD_CONNECT_ERROR;
+        }
+
+        // All done, no error
+        return PASSWORD_SUCCESS;
+    }
+
+    /**
+     * Bind with searchDN and searchPW and search for the user's DN.
+     * Use search_base and search_filter defined in config file.
+     * Return the found DN.
+     */
+    function search_userdn($rcmail)
+    {
+        $ldapConfig = array (
+            'binddn'    => $rcmail->config->get('password_ldap_searchDN'),
+            'bindpw'    => $rcmail->config->get('password_ldap_searchPW'),
+            'basedn'    => $rcmail->config->get('password_ldap_basedn'),
+            'host'      => $rcmail->config->get('password_ldap_host'),
+            'port'      => $rcmail->config->get('password_ldap_port'),
+            'starttls'  => $rcmail->config->get('password_ldap_starttls'),
+            'version'   => $rcmail->config->get('password_ldap_version'),
+        );
+
+        $ldap = Net_LDAP2::connect($ldapConfig);
+
+        if (PEAR::isError($ldap)) {
+            return '';
+        }
+
+        $base = $rcmail->config->get('password_ldap_search_base');
+        $filter = $this->substitute_vars($rcmail->config->get('password_ldap_search_filter'));
+        $options = array (
+            'scope' => 'sub',
+            'attributes' => array(),
+        );
+
+        $result = $ldap->search($base, $filter, $options);
+        $ldap->done();
+        if (PEAR::isError($result) || ($result->count() != 1)) {
+            return '';
+        }
+
+        return $result->current()->dn();
+    }
+
+    /**
+     * Substitute %login, %name, %domain, %dc in $str.
+     * See plugin config for details.
+     */
+    function substitute_vars($str)
+    {
+        $rcmail = rcmail::get_instance();
+        $domain = $rcmail->user->get_username('domain');
+        $dc     = 'dc='.strtr($domain, array('.' => ',dc=')); // hierarchal domain string
+
+        $str = str_replace(array(
+                '%login',
+                '%name',
+                '%domain',
+                '%dc',
+            ), array(
+                $_SESSION['username'],
+                $rcmail->user->get_username('local'),
+                $domain,
+                $dc,
+            ), $str
+        );
+
+        return $str;
+    }
+
+    /**
+     * Code originaly from the phpLDAPadmin development team
+     * http://phpldapadmin.sourceforge.net/
+     *
+     * Hashes a password and returns the hash based on the specified enc_type.
+     *
+     * @param string $passwordClear The password to hash in clear text.
+     * @param string $encodageType Standard LDAP encryption type which must be one of
+     *        crypt, ext_des, md5crypt, blowfish, md5, sha, smd5, ssha, or clear.
+     * @return string The hashed password.
+     *
+     */
+    function hashPassword( $passwordClear, $encodageType )
+    {
+        $encodageType = strtolower( $encodageType );
+        switch( $encodageType ) {
+        case 'crypt':
+            $cryptedPassword = '{CRYPT}' . crypt($passwordClear, $this->randomSalt(2));
+            break;
+
+        case 'ext_des':
+            // extended des crypt. see OpenBSD crypt man page.
+            if ( ! defined( 'CRYPT_EXT_DES' ) || CRYPT_EXT_DES == 0 ) {
+                // Your system crypt library does not support extended DES encryption.
+                return FALSE;
+            }
+            $cryptedPassword = '{CRYPT}' . crypt( $passwordClear, '_' . $this->randomSalt(8) );
+            break;
+
+        case 'md5crypt':
+            if( ! defined( 'CRYPT_MD5' ) || CRYPT_MD5 == 0 ) {
+                // Your system crypt library does not support md5crypt encryption.
+                return FALSE;
+            }
+            $cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$1$' . $this->randomSalt(9) );
+            break;
+
+        case 'blowfish':
+            if( ! defined( 'CRYPT_BLOWFISH' ) || CRYPT_BLOWFISH == 0 ) {
+                // Your system crypt library does not support blowfish encryption.
+                return FALSE;
+            }
+            // hardcoded to second blowfish version and set number of rounds
+            $cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$2a$12$' . $this->randomSalt(13) );
+            break;
+
+        case 'md5':
+            $cryptedPassword = '{MD5}' . base64_encode( pack( 'H*' , md5( $passwordClear) ) );
+            break;
+
+        case 'sha':
+            if( function_exists('sha1') ) {
+                // use php 4.3.0+ sha1 function, if it is available.
+                $cryptedPassword = '{SHA}' . base64_encode( pack( 'H*' , sha1( $passwordClear) ) );
+            } elseif( function_exists( 'mhash' ) ) {
+                $cryptedPassword = '{SHA}' . base64_encode( mhash( MHASH_SHA1, $passwordClear) );
+            } else {
+                return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
+            }
+            break;
+
+        case 'ssha':
+            if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) ) {
+                mt_srand( (double) microtime() * 1000000 );
+                $salt = mhash_keygen_s2k( MHASH_SHA1, $passwordClear, substr( pack( 'h*', md5( mt_rand() ) ), 0, 8 ), 4 );
+                $cryptedPassword = '{SSHA}'.base64_encode( mhash( MHASH_SHA1, $passwordClear.$salt ).$salt );
+            } else {
+                return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
+            }
+            break;
+
+        case 'smd5':
+            if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) ) {
+                mt_srand( (double) microtime() * 1000000 );
+                $salt = mhash_keygen_s2k( MHASH_MD5, $passwordClear, substr( pack( 'h*', md5( mt_rand() ) ), 0, 8 ), 4 );
+                $cryptedPassword = '{SMD5}'.base64_encode( mhash( MHASH_MD5, $passwordClear.$salt ).$salt );
+            } else {
+                return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
+            }
+            break;
+
+        case 'samba':
+            if (function_exists('hash')) {
+                $cryptedPassword = hash('md4', rcube_charset_convert($passwordClear, RCMAIL_CHARSET, 'UTF-16LE'));
+                $cryptedPassword = strtoupper($cryptedPassword);
+            } else {
+				/* Your PHP install does not have the hash() function */
+				return false;
+            }
+            break;
+
+        case 'clear':
+        default:
+            $cryptedPassword = $passwordClear;
+        }
+
+        return $cryptedPassword;
+    }
+
+    /**
+     * Code originaly from the phpLDAPadmin development team
+     * http://phpldapadmin.sourceforge.net/
+     *
+     * Used to generate a random salt for crypt-style passwords. Salt strings are used
+     * to make pre-built hash cracking dictionaries difficult to use as the hash algorithm uses
+     * not only the user's password but also a randomly generated string. The string is
+     * stored as the first N characters of the hash for reference of hashing algorithms later.
+     *
+     * --- added 20021125 by bayu irawan <bayuir@divnet.telkom.co.id> ---
+     * --- ammended 20030625 by S C Rigler <srigler@houston.rr.com> ---
+     *
+     * @param int $length The length of the salt string to generate.
+     * @return string The generated salt string.
+     */
+    function randomSalt( $length )
+    {
+        $possible = '0123456789'.
+            'abcdefghijklmnopqrstuvwxyz'.
+            'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.
+            './';
+        $str = '';
+        // mt_srand((double)microtime() * 1000000);
+
+        while (strlen($str) < $length)
+            $str .= substr($possible, (rand() % strlen($possible)), 1);
+
+        return $str;
+    }
+}