| 1 | <?php |
| 2 | /** |
| 3 | * MySQL change password backend |
| 4 | * |
| 5 | * @author Thijs Kinkhorst <kink@squirrelmail.org> |
| 6 | * @version $Id$ |
| 7 | * @package plugins |
| 8 | * @subpackage change_password |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * Config vars |
| 13 | */ |
| 14 | |
| 15 | global $mysql_server, $mysql_database, $mysql_table, $mysql_userid_field, |
| 16 | $mysql_password_field, $mysql_manager_id, $mysql_manager_pw; |
| 17 | |
| 18 | // The MySQL Server |
| 19 | $mysql_server = 'localhost'; |
| 20 | $mysql_database = 'email'; |
| 21 | $mysql_table = 'users'; |
| 22 | |
| 23 | // The names of the user ID and password columns |
| 24 | $mysql_userid_field = 'id'; |
| 25 | $mysql_password_field ='password'; |
| 26 | |
| 27 | // The user to log into MySQL with (must have rights) |
| 28 | $mysql_manager_id = 'email_admin'; |
| 29 | $mysql_manager_pw = 'xxxxxxx'; |
| 30 | |
| 31 | |
| 32 | // NO NEED TO CHANGE ANYTHING BELOW THIS LINE |
| 33 | |
| 34 | global $squirrelmail_plugin_hooks; |
| 35 | $squirrelmail_plugin_hooks['change_password_dochange']['mysql'] = |
| 36 | 'cpw_mysql_dochange'; |
| 37 | |
| 38 | /** |
| 39 | * This is the function that is specific to your backend. It takes |
| 40 | * the current password (as supplied by the user) and the desired |
| 41 | * new password. It will return an array of messages. If everything |
| 42 | * was successful, the array will be empty. Else, it will contain |
| 43 | * the errormessage(s). |
| 44 | * Constants to be used for these messages: |
| 45 | * CPW_CURRENT_NOMATCH -> "Your current password is not correct." |
| 46 | * CPW_INVALID_PW -> "Your new password contains invalid characters." |
| 47 | * |
| 48 | * @param array data The username/currentpw/newpw data. |
| 49 | * @return array Array of error messages. |
| 50 | */ |
| 51 | function cpw_mysql_dochange($data) |
| 52 | { |
| 53 | // unfortunately, we can only pass one parameter to a hook function, |
| 54 | // so we have to pass it as an array. |
| 55 | $username = $data['username']; |
| 56 | $curpw = $data['curpw']; |
| 57 | $newpw = $data['newpw']; |
| 58 | |
| 59 | $msgs = array(); |
| 60 | |
| 61 | global $mysql_server, $mysql_database, $mysql_table, $mysql_userid_field, |
| 62 | $mysql_password_field, $mysql_manager_id, $mysql_manager_pw; |
| 63 | |
| 64 | $ds = mysql_pconnect($mysql_server, $mysql_manager_id, $mysql_manager_pw); |
| 65 | if (! $ds) { |
| 66 | array_push($msgs, _("Cannot connect to Database Server, please try later!")); |
| 67 | return $msgs; |
| 68 | } |
| 69 | if (!mysql_select_db($mysql_database, $ds)) { |
| 70 | array_push($msgs, _("Database not found on server")); |
| 71 | return $msgs; |
| 72 | } |
| 73 | |
| 74 | $query_string = 'SELECT ' . $mysql_userid_field . ',' . $mysql_password_field |
| 75 | . ' FROM ' . $mysql_table |
| 76 | . ' WHERE ' . $mysql_userid_field . '="' . mysql_escape_string($username) .'"' |
| 77 | . ' AND ' . $mysql_password_field . '="' . mysql_escape_string($curpw) . '"'; |
| 78 | $select_result = mysql_query($query_string, $ds); |
| 79 | if (!$select_result) { |
| 80 | array_push($msgs, _("SQL call failed, try again later.")); |
| 81 | return $msgs; |
| 82 | } |
| 83 | |
| 84 | if (mysql_num_rows($select_result) == 0) { |
| 85 | array_push($msgs, CPW_CURRENT_NOMATCH); |
| 86 | return $msgs; |
| 87 | } |
| 88 | if (mysql_num_rows($select_result) > 1) { |
| 89 | //make sure we only have 1 uid |
| 90 | array_push($msgs, _("Duplicate login entries detected, cannot change password!")); |
| 91 | return $msgs; |
| 92 | } |
| 93 | |
| 94 | $update_string = 'UPDATE '. $mysql_table . ' SET ' . $mysql_password_field |
| 95 | . ' = "' . mysql_escape_string($cp_newpass) . '"' |
| 96 | . ' WHERE ' . $mysql_userid_field . ' = "' . mysql_escape_string($username) . '"'; |
| 97 | if (!mysql_query($update_string, $ds)) { |
| 98 | array_push($msgs, _("Password change was not successful!")); |
| 99 | } |
| 100 | |
| 101 | return $msgs; |
| 102 | } |