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insidious set_config bug

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This commit is contained in:
Zach Prezkuta 2013-01-18 23:38:49 -07:00
parent 83448507b8
commit bf26af5ac6
4 changed files with 26 additions and 9 deletions
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19
boot.php
View file

@ -808,7 +808,7 @@ function check_db() {
$build = get_config('system','build');
if(! x($build)) {
set_config('system','build',DB_UPDATE_VERSION);
$buid = DB_UPDATE_VERSION;
$build = DB_UPDATE_VERSION;
}
if($build != DB_UPDATE_VERSION)
proc_run('php', 'include/dbupdate.php');
@ -818,13 +818,11 @@ function check_db() {
// Primarily involved with database upgrade, but also sets the
// base url for use in cmdline programs which don't have
// Sets the base url for use in cmdline programs which don't have
// $_SERVER variables
if(! function_exists('check_config')) {
function check_config(&$a) {
if(! function_exists('check_url')) {
function check_url(&$a) {
$url = get_config('system','url');
@ -839,6 +837,15 @@ if(! function_exists('check_config')) {
if((! link_compare($url,$a->get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
$url = set_config('system','url',$a->get_baseurl());
return;
}
}
// Automatic database updates
if(! function_exists('update_db')) {
function update_db(&$a) {
$build = get_config('system','build');
if(! x($build))

9
include/config.php
View file

@ -85,6 +85,15 @@ function get_config($family, $key, $instore = false) {
if(! function_exists('set_config')) {
function set_config($family,$key,$value) {
global $a;
// If $a->config[$family] has been previously set to '!<unset>!', then
// $a->config[$family][$key] will evaluate to $a->config[$family][0], and
// $a->config[$family][$key] = $value will be equivalent to
// $a->config[$family][0] = $value[0] (this causes infuriating bugs),
// so unset the family before assigning a value to a family's key
if($a->config[$family] === '!<unset>!')
unset($a->config[$family]);
// manage array value
$dbvalue = (is_array($value)?serialize($value):$value);
$dbvalue = (is_bool($dbvalue) ? intval($dbvalue) : $dbvalue);

2
include/dbupdate.php
View file

@ -19,7 +19,7 @@ function dbupdate_run(&$argv, &$argc) {
load_config('config');
load_config('system');
check_config($a);
update_db($a);
}
if (array_search(__file__,get_included_files())===0){

5
index.php
View file

@ -58,9 +58,9 @@ if(!$install) {
require_once("include/session.php");
load_hooks();
call_hooks('init_1');
}
$maintenance = get_config('system', 'maintenance');
$maintenance = get_config('system', 'maintenance');
}
/**
@ -141,6 +141,7 @@ if($install)
elseif($maintenance)
$a->module = 'maintenance';
else {
check_url($a);
check_db();
check_plugins($a);
}