To jest ta instrukcja :)


##############################################################
## MOD Title: Allow login for smf users
## MOD Author: Dicky < dicky@askmaggymae.com >
## MOD Description: Allows converted smf users to log in to the new phpBB board with their smf passwords
## MOD Version: 1.0.2
## MOD date: Jan 31, 2007
##
## Installation Level: easy
## Installation Time: 3 Minutes
## Files To Edit: (1) login.php
## Included Files: n/a
##############################################################
## Before Adding This MOD To Your Forum, You Should Back Up All Files Related To This MOD
##############################################################
#
#-----[ OPEN ]------------------------------------------
#
login.php
#
#-----[ FIND ]------------------------------------------
# Line 86
				{
					message_die(GENERAL_MESSAGE, sprintf($lang['Login_attempts_exceeded'], $board_config['max_login_attempts'], $board_config['login_reset_time']));
				}
#
#-----[ AFTER, ADD ]------------------------------------
#
			// check if this is a converted user
			// handles smf user passwords
				if( md5($password) !== $row['user_password'] && $row['user_active'] )
				{
					if (( $row['user_password'] == substr( sha1(strtolower($username) . $password), 0, 32)) || ( $row['user_password'] == md5_hmac($password, strtolower($username))))
					{
						// this is a converted user. Now make them a phpBB user!
						// take the subbed pass and put a md5 encryption on it and insert it into the database
						$sql = "UPDATE " . USERS_TABLE . " SET user_password = '" . md5( $HTTP_POST_VARS['password'] ) . "' WHERE user_id = '" . $row['user_id'] . "'";
						if( !$db->sql_query($sql) )
						{
							message_die(GENERAL_ERROR, 'Password Error:<br />Please contact the board administrator immediately.', '', __LINE__, __FILE__, $sql);
						}
						// reset $row[user_password]
						$sql = "SELECT user_id, username, user_password, user_active, user_level FROM " . USERS_TABLE . "
						WHERE username = '" . str_replace("\\'", "''", $username) . "'";

						if ( !($result = $db->sql_query($sql)) )
						{
							message_die(GENERAL_ERROR, 'Error in obtaining userdata', '', __LINE__, __FILE__, $sql);
						}
						$row = $db->sql_fetchrow($result);
					}
				}
#
#-----[ FIND ]------------------------------------------
# At end of file
?>
#
#-----[ BEFORE, ADD ]------------------------------------
#
// encrypts password for smf users
function md5_hmac($data, $key)
{
	$key = str_pad(strlen($key) <= 64 ? $key : pack('H*', md5($key)), 64, chr(0x00));
	return md5(($key ^ str_repeat(chr(0x5c), 64)) . pack('H*', md5(($key ^ str_repeat(chr(0x36), 64)). $data)));
}