phpldapadmin/htdocs/index.php
2009-06-30 20:26:08 +10:00

212 lines
6.5 KiB
PHP

<?php
// $Header: /cvsroot/phpldapadmin/phpldapadmin/htdocs/index.php,v 1.42.2.8 2006/01/01 11:54:09 wurley Exp $
/**
* @package phpLDAPadmin
*/
/*******************************************
<pre>
If you are seeing this in your browser,
PHP is not installed on your web server!!!
</pre>
*******************************************/
/**
* We will perform some sanity checking here, since this file is normally loaded first when users
* first setup PLA.
*/
define('LIBDIR','../lib/');
ini_set('display_errors',1);
error_reporting(E_ALL);
# General functions needed to proceed.
ob_start();
if (! file_exists(LIBDIR.'functions.php')) {
ob_end_clean();
die("Fatal error: Required file 'functions.php' does not exist.");
}
if (! is_readable(LIBDIR.'functions.php')) {
ob_end_clean();
die("Cannot read the file 'functions.php' its permissions are too strict.");
}
require LIBDIR.'functions.php';
$config_file = CONFDIR.'config.php';
ob_end_clean();
/* Helper functions.
* Our required helper functions are defined in functions.php
*/
foreach ($pla_function_files as $file_name ) {
if (! file_exists($file_name))
pla_error(sprintf('Fatal error: Required file "%s" does not exist.',$file_name));
if (! is_readable($file_name))
pla_error(sprintf('Fatal error: Cannot read the file "%s", its permissions are too strict.',$file_name));
ob_start();
require $file_name;
ob_end_clean();
}
# Configuration File check
if (! file_exists($config_file)) {
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.0//EN"';
echo '"http://www.w3.org/TR/xhtml-basic/xhtml-basic10.dtd">';
echo '<html>';
echo '<head>';
printf('<title>phpLDAPadmin - %s</title>',pla_version());
echo '<link type="text/css" rel="stylesheet" href="css/style.css" />';
echo '</head>';
echo '<body>';
echo '<h3 class="title">Configure phpLDAPadmin</h3>';
echo '<br /><br />';
echo '<center>';
printf(_('You need to configure phpLDAPadmin. Edit the file "%s" to do so. An example config file is provided in "%s.example".'),$config_file,$config_file);
echo '</center>';
echo '</body>';
echo '</html>';
die();
} elseif (! is_readable($config_file)) {
pla_error(sprintf('Fatal error: Cannot read your configuration file "%s", its permissions are too strict.',$config_file));
}
if (! check_config()) {
exit;
}
echo '<?xml version="1.0" encoding="utf-8"?>'."\n";
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.0//EN"'."\n";
echo ' "http://www.w3.org/TR/xhtml-basic/xhtml-basic10.dtd">'."\n";
echo "\n";
echo '<html xmlns="http://www.w3.org/1999/xhtml" lang="no-NO">';
if ($pagetitle = $config->GetValue('appearance','page_title'))
printf('<head><title>phpLDAPadmin (%s) - %s</title></head>',pla_version(),$pagetitle);
else
printf('<head><title>phpLDAPadmin - %s</title></head>',pla_version());
printf('<frameset cols="%s,*">',$config->GetValue('appearance','tree_width'));
echo '<frame src="tree.php" name="left_frame" id="left_frame" />';
echo '<frame src="welcome.php" name="right_frame" id="right_frame" />';
echo '</frameset>';
echo '</html>';
/*
* Makes sure that the config file is properly setup and
* that your install of PHP can handle LDAP stuff.
*/
function check_config() {
global $config_file,$config;
/* Check for syntax errors in config.php
As of php 4.3.5, this NO longer catches fatal errors :( */
ob_start();
include $config_file;
$str = ob_get_contents();
ob_end_clean();
if ($str) {
$str = strip_tags($str);
$matches = array();
preg_match('/(.*):\s+(.*):.*\s+on line (\d+)/',$str,$matches);
$error_type = $matches[1];
$error = $matches[2];
$line_num = $matches[3];
$file = file($config_file);
echo '<?xml version="1.0" encoding="utf-8"?>'."\n";
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.0//EN"'."\n";
echo ' "http://www.w3.org/TR/xhtml-basic/xhtml-basic10.dtd">'."\n";
echo "\n";
echo '<html>';
echo '<head>';
echo '<title>phpLDAPadmin Config File Error</title>';
echo '<link type="text/css" rel="stylesheet" href="css/style.css" />';
echo '</head>';
echo '<body>';
echo '<h3 class="title">Config File ERROR</h3>';
printf('<h3 class="subtitle">%s (%s) on line %s</h3>',$error_type,$error,$line_num);
echo '<center>';
printf('Looks like your config file has an ERROR on line %s.<br />',$line_num);
echo 'Here is a snippet around that line <br />';
echo '<br />'."\n";
echo '<div style="text-align: left; font-family: monospace; margin-left: 80px; margin-right: 80px; border: 1px solid black; padding: 10px;">';
for ($i = $line_num-9; $i<$line_num+5; $i++) {
if ($i+1 == $line_num)
echo '<div style="color:red;background:#fdd">';
if ($i < 0)
continue;
printf('<b>%s</b>: %s<br />',$i+1,htmlspecialchars($file[$i]));
if ($i+1 == $line_num)
echo '</div>';
}
echo '</div>';
echo '<br />';
echo 'Hint: Sometimes these errors are caused by lines <b>preceding</b> the line reported.';
echo '</center>';
echo '</body>';
echo '</html>';
return false;
}
# Now read in config_default.php, which also reads in config.php
require LIBDIR.'config_default.php';
# Make sure their PHP version is current enough
if (strcmp(phpversion(),REQUIRED_PHP_VERSION) < 0) {
pla_error(sprintf('phpLDAPadmin requires PHP version %s or greater. You are using %s',
REQUIRED_PHP_VERSION,phpversion()));
}
# Make sure this PHP install has all our required extensions
if (! extension_loaded('ldap')) {
pla_error('Your install of PHP appears to be missing LDAP support. Please install LDAP support before using phpLDAPadmin. (Dont forget to restart your web server afterwards)');
return false;
}
# Make sure that we have php-xml loaded.
if (! function_exists('xml_parser_create')) {
pla_error('Your install of PHP appears to be missing XML support. Please install XML support before using phpLDAPadmin. (Dont forget to restart your web server afterwards)');
return false;
}
# Make sure their session save path is writable, if they are using a file system session module, that is.
if ( ! strcasecmp('Files',session_module_name() && ! is_writable(realpath(session_save_path())))) {
pla_error('Your PHP session configuration is incorrect. Please check the value of session.save_path
in your php.ini to ensure that the directory specified there exists and is writable.
The current setting of "'.session_save_path().'" is un-writable by the web server.');
return false;
}
if (! isset($ldapservers) || count($ldapservers->GetServerList()) == 0) {
pla_error('Your config.php is missing Server Definitions.
Please see the sample file config/config.php.example.',false);
return false;
}
return true;
}
?>