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INSTALL.php_
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INSTALL.php_
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<?php
###
### WELCOME TO NConf, configuration files are located here : config/..
###
#
# CONFIG
#
$nconfdir = dirname( $_SERVER["SCRIPT_FILENAME"] );
require_once('config.orig/nconf.php');
require_once(NCONFDIR.'/include/version.php');
require_once('config.orig/authentication.php');
require_once('include/functions.php');
require_once('include/includeAllClasses.php');
#
# Step handling
#
if ( !isset($_POST["step"]) ){
$step = 0;
}else{
$step = $_POST["step"];
if (isset($_POST["submit"]) AND $_POST["submit"] == "Back"){
#Back button pressed
$step = $step - 1;
}elseif(isset($_POST["submit"]) AND $_POST["submit"] == "Next"){
# increase step for next form
$step++;
}else{
#refreshing, no step modification
}
}
#
# DB creation / handling
#
if (isset($_POST["db_status"])){
$db_check = $_POST["db_status"];
}else{
$db_check = FALSE;
}
unset($_POST["db_status"]);
if ( ($step == 2 AND $_POST["submit"] != "Back") AND !($db_check == "ok") ){
# run again the Database part
$step = 1;
}
# define installation/configuration
$_SESSION["install"] = TRUE;
require_once 'include/head.php';
###
### Functions for install
###
#
# Function which generates the html output (table rows)
#
function check_session_value($name){
if ( isset($_SESSION["install_data"]) ){
if (is_array($_SESSION["install_data"]) ){
foreach ($_SESSION["install_data"] as $step){
if ( array_key_exists($name, $step) ){
return $step[$name];
}
}
}
}
return FALSE;
}
function table_row_text($title, $value, $description, $type = "text", $attention = 0, $disabled = 0, $check_input = 0){
$cache_value = check_session_value($title);
if ($cache_value) $value = $cache_value;
$row = '
<tr>
<td width=150>'.$title.'</td>
<td width=270>';
$row .= '<input type="'.$type.'" name="'.$title.'" value="'.$value.'"';
if ($disabled == 1) $row .= ' disabled="disabled" ';
if ($check_input == 1) $row .= ' onchange="check_input()" onkeyup="check_input()"';
$row .= '>';
$row .= '</td><td width=20 class="attention">';
if ($attention == 1) $row .= "*";
$row .= '</td><td>';
if (!empty($description)) $row .= $description;
$row .= '</td></tr>';
return $row;
}
function table_row_select($title, $values, $selected, $description, $attention = 0, $check_input = 0){
$cache_value = check_session_value($title);
if ($cache_value) $selected = $cache_value;
$row = '
<tr>
<td width=150>'.$title.'</td>
<td width=270>';
$row .= '<select name="'.$title.'"';
if ($check_input == 1) $row .= ' onchange="check_input()"';
$row .= '>';
foreach ($values as $name => $value){
$row .= '<option value="'.$value.'"';
if ($value == $selected) $row .= ' selected';
$row .= '>'.$name.'</option>';
}
$row .= '</select>';
$row .= '</td><td width=20 class="attention">';
if ($attention == 1) $row .= "*";
$row .= '</td><td>';
if (!empty($description)) $row .= $description;
$row .= '</td></tr>';
return $row;
}
function table_row_description($title, $description, $display = ""){
$row = "";
if (!empty($title)){
$row = '
<tr id="'.$title.'_titel" name="'.$title.'" style="display:'.$display.'">
<td colspan=3><h2>'.$title.'</h2></td>
</tr>';
}
if (!empty($description)){
$row .= '<tr id="'.$title.'_desc" name="'.$title.'" style="display:'.$display.'">
<td colspan=3>'.$description.'<br><br></td>
</tr>
';
}
return $row;
}
function table_row_check($title, $status){
if ($status === TRUE){
$row = '
<tr>
<td><b>'.$title.'</b></td>
<td class="status_ok">OK</td>
<td></td>
</tr>';
}elseif ($status == "UNKNOWN"){
$row = '
<tr>
<td><b>'.$title.'</b></td>
<td class="status_unknown">UNKNOWN</td>
<td></td>
</tr>';
}elseif ($status === FALSE){
$row = '
<tr>
<td><b>'.$title.'</b></td>
<td class="status_failed">FAILED</td>
<td></td>
</tr>';
}else{
$row = '
<tr class="ui-widget-header header">
<td><b>'.$title.'</b></td>
<td class="status_failed">FAILED</td>
<td>
<a href="javascript:swap_visible(\''.$title.'\')">
<img src="img/icon_expand.gif" id="swap_icon_'.$title.'" >
show errorcode
</a>
</td>
</tr>
<tr id="'.$title.'" style="display:none" class="ui-widget-content">
<td colspan=3 class="ui-nconf-content">'.$status.'</td>
</tr>';
}
return $row;
}
function write_config($file, $replacers, $special = ''){
global $error;
global $info;
foreach($replacers as $replacer){
if ( check_session_value($replacer) === FALSE){
message($error, "Not all necessary config variables are present. ($replacer)");
return FALSE;
}
}
# read the config file
$lines = file($file);
if ($lines === FALSE){
message($error, "The config file ($file) could not be read.");
return FALSE;
}
# try to open config file writable, else readable
if (is_writable($file)) {
$fh = fopen($file, "w");
}else{
$fh = fopen($file, "r");
message($error, "read only");
}
if ($fh === FALSE){
message($error, "The config file ($file) could not be opened.");
return FALSE;
}else{
$new_config = '';
$log = '';
# go thru each line
foreach ($lines as $line){
$mark_line = 0;
# ignore comments
if ( !preg_match( '/^#/', $line) ){
# find the replacer (the constant)
foreach ($replacers as $replacer){
if ($special == "password_file"){
if ( preg_match( '/^admin/', $line) ){
$line = "admin::".check_session_value($replacer)."::admin::Administrator::\n";
$mark_line = 1;
}
}else{
if ( preg_match( '/^define\(["\']'.$replacer.'["\']/', $line) ){
$line = "define('$replacer', '".check_session_value($replacer)."');\n";
$mark_line = 1;
}
}
}
}
# mark the new lines
if ($mark_line){
$log .= "<b>".htmlspecialchars($line)."</b><br>";
}else{
$log .= htmlspecialchars($line)."<br>";
}
# add line to config var
$new_config .= $line;
}
#write to file
if ( fwrite($fh, $new_config) == FALSE){
# could not write to file, put out config code on page
message($info, "The config directory and all its content must be writable for your webserver user", "overwrite");
message($error, "Could not write config file ($file), please change the <b>bold lines</b> manually or remotely upload the file into the config directory");
return $log;
}else{
# write file success
return TRUE;
}
fclose($fh);
}
}
# For creating/importing the database
function parse_mysql_dump($url){
global $dbh;
if (file_exists($url)){
$file_content = file($url);
$query = "";
foreach($file_content as $sql_line){
if(trim($sql_line) != "" && strpos($sql_line, "--") === false){
$query .= $sql_line;
// TODO: check compatibility of regex
// This regex does not work on xampp:
// if(preg_match("/;[\040]*\$/", $sql_line)){
// - why is there a backslash bevore $
// - [\040] seems not work on xampp (windows) installation
//if(preg_match("/;[\040]*\$/", $sql_line)){
if(preg_match('/;[\s]*$/', $sql_line)){
$result = db_handler($query, 'insert', 'running sql statement');
if (!$result){
$sqlErrorCode = mysqli_errno($dbh);
$sqlErrorText = mysqli_error($dbh);
NConf_DEBUG::set($sqlErrorCode, '', $sqlErrorText);
}
$query = "";
}
}
}
return $result;
}else{
return FALSE;
}
}
#
# Session handling
#
foreach ($_POST as $key => $value){
#do not save the submit button
if ( $key == "submit" OR $key == "step" ) continue;
$_SESSION["install_data"][$_POST["step"]][$key] = $value;
}
echo '<form name="install" action="INSTALL.php" method="post">';
echo '<input type=hidden name="step" value="'.$step.'">';
# Begin table
echo '<table width="100%" border=0>';
#
# Install Steps
#
if ($step == 0){
# some checks
function find_SQL_Version() {
$output = shell_exec('mysql -V');
if ( !$output ){
# could not execute
return "UNKNOWN";
}
preg_match('/Distrib ([0-9]+[\.0-9]*)/i', $output, $version);
if ( !empty($version[1]) ){
return $version[1];
}else{
return FALSE;
}
}
function find_PERL_Version() {
$output = shell_exec('perl -v');
if ( !$output ){
# could not execute
return "UNKNOWN";
}
preg_match('/v([0-9]+[\.0-9]*)/i', $output, $version);
if ( !empty($version[1]) ){
return $version[1];
}else{
return FALSE;
}
}
# html content
echo table_row_description("Welcome to NConf setup", 'This will install NConf version "'.VERSION_NUMBER.'"<br>The pre-installation check will test your system for NConf.');
echo '</table>';
###
# WARN if update is not stable version
if ( constant("VERSION_NOT_FINAL_WARNING") !== ''){
echo NConf_HTML::limit_space(
NConf_HTML::show_error('Attention', VERSION_NOT_FINAL_WARNING)
, 'style="width: 500px;"'
);
}
# shorter table for this step
echo '<table width="240">';
echo table_row_description("Requirements", '');
echo table_row_check('PHP 5.0 (or higher) -> '.phpversion(), version_compare(phpversion(), '5.0', '>=') );
# mysql version check
$mysql_status = find_SQL_Version();
if ($mysql_status == "UNKNOWN"){
echo table_row_check('MySQL 5.0.2 (or higher)', "UNKNOWN");
}else{
echo table_row_check('MySQL 5.0.2 (or higher) -> '.$mysql_status, version_compare($mysql_status, '5.0.2', '>=') );
}
# php-mysql support
$mysql_status = function_exists('mysqli_connect');
if (!$mysql_status) message ($error, 'Could not find function "mysqli_connect()"<br>You must configure PHP with mysql support.');
echo table_row_check('PHP-MySQL support', $mysql_status);
# perl version
$perl_status = find_PERL_Version();
if ($perl_status == "UNKNOWN"){
echo table_row_check('Perl 5.6 (or higher)', "UNKNOWN");
}else{
echo table_row_check('Perl 5.6 (or higher) -> '.$perl_status, version_compare($perl_status, '5.6', '>=') );
}
}elseif ($step == 1){
echo table_row_description("MySQL database configuration", 'Please enter the DB information for NConf installation.');
echo table_row_text("DBHOST", "localhost", "DB server");
echo table_row_text("DBNAME", "database_name", "DB name");
echo table_row_text("DBUSER", "user_name", "DB user name");
echo table_row_text("DBPASS", "password", "DB user password", "password");
echo '<tr><td><br></td></tr>';
# shorter table for this step
echo '</table>';
# say that next step is the connect db part
echo '<input type=hidden name="db_status" value="connect">';
echo '<table width="200">';
if ($db_check !== FALSE ){
echo table_row_description('Checks', '');
if (function_exists('mysqli_connect')){
$dbh = @mysqli_connect(check_session_value("DBHOST"), check_session_value("DBUSER"), check_session_value("DBPASS"), check_session_value("DBNAME"));
if (!$dbh){
# unfortunately mysql_error wont give information about last error here
message($error, 'Could not connect: ' . mysqli_error($dbh));
# php >= 5.2.0 provides additional phperror which could give more information about the last mysql error
if ( function_exists('error_get_last') ){
$php_error = error_get_last();
message($error, $php_error["message"]);
}
}
}else{
$dbh = FALSE;
message($error, '<b>mysqli_connect</b> not found, you must install PHP with mysql support!');
}
if (!$dbh){
echo table_row_check('Connect to DB', FALSE );
$msg_error = NConf_DEBUG::show_debug('ERROR');
echo table_row_description('', "<br>$msg_error");
}else{
echo table_row_check('connect to mysql', TRUE );
$db_selected = @mysqli_select_db($dbh, check_session_value("DBNAME"));
if ($db_selected ){
# InnoDB support
function InnoDB_support(){
$engines_query = "SHOW ENGINES;";
$engines_array = db_handler($engines_query, "array", "get mysql engines");
$InnoDB_support = "UNKNOWN";
foreach ($engines_array as $engine){
$engine_result = array_search('InnoDB', $engine);
if ($engine_result){
if ($engine["Support"] == TRUE){
$InnoDB_support = TRUE;
return TRUE;
}else{
$InnoDB_support = FALSE;
return FALSE;
}
}
}
return $InnoDB_support;
}
$InnoDB_support = InnoDB_support();
echo table_row_check('InnoDB support', $InnoDB_support);
# DB selected, try to create tables
echo table_row_check('access database', TRUE );
# check if tables are set ....
//$query = 'SHOW TABLES FROM '.check_session_value("DBNAME");
$query = 'SELECT fk_id_item FROM ItemLinks LIMIT 1;';
$result = mysqli_query($dbh, $query);
if ($result){
# say that db is done, go to next step
echo table_row_check('tables were already created', TRUE );
# check if nconf already is installed
if ( file_exists('config/nconf.php') ){
echo table_row_check('NConf config files check', FALSE );
echo '</table><table width="450">';
echo table_row_description('', '<br>If you previously installed an older version of NConf, please use the <b><a href="UPDATE.php">UPDATE</a></b> function!');
}else{
echo '</table><table width="450">';
echo table_row_description('', '<input type=hidden name="db_status" value="ok">');
}
?>
<script type="text/javascript">
<!--
disable('DBHOST');
disable('DBNAME');
disable('DBUSER');
disable('DBPASS');
//-->
</script>
<?php
}else{
# read sql-structure file for import
$install_file = 'INSTALL/create_database.sql';
if ( file_exists($install_file) ){
# try create tables
$result = parse_mysql_dump($install_file);
if (!$result){
echo table_row_check('create tables', FALSE );
echo table_row_description('', 'Error: '.mysqli_error($dbh) );
}else{
echo table_row_check('create tables', TRUE );
# say that next step is the connect db part
echo table_row_description('', '<input type=hidden name="db_status" value="ok">');
}
}else{
echo table_row_check('open '.$install_file, FALSE );
}
}
}else{
# failed to select db
echo table_row_check('access database', FALSE );
# try to create DB
$query = 'CREATE DATABASE '.check_session_value("DBNAME").';';
$result = mysqli_query($dbh, $query);
if ($result){
echo table_row_check('created database', TRUE );
}else{
echo table_row_check('created database', FALSE );
echo table_row_description("<br><br>Manual task", 'Please create the database manually.');
}
}
}
}
}elseif ($step == 2){
# some checks
$nconfdir = $_SERVER["SCRIPT_FILENAME"];
$nconfdir = str_replace("/INSTALL.php", "", $nconfdir);
# nagios bin
$nagios_bin = $nconfdir."/bin/nagios";
$templates = getDirectoryTree("design_templates");
# html content
echo table_row_description("General configuration", 'Please define basic settings here.');
echo table_row_text("NCONFDIR", $nconfdir, "Path to the NConf directory");
echo table_row_text("NAGIOS_BIN", $nagios_bin, "Path to the Nagios / Icinga binary");
echo table_row_select("TEMPLATE_DIR", $templates, "nconf_fresh", "choose a template (color schema)");
}elseif ($step == 3){
echo table_row_description("Authentication configuration", 'Choose if you want NConf to prompt for a login. <br>If yes, choose how you want to authenticate the users.');
echo table_row_select("AUTH_ENABLED", array("TRUE" => "1", "FALSE" => "0"), "0", "Do you want NConf to authenticate users?", '', 1);
echo table_row_select("AUTH_TYPE", array("file" => "file"), "file", "How do you want to authenticate?", '', 1);
echo table_row_text("file_admin_password", "", "Password for admin when AUTH_TYPE = file<br>Do <b>not</b> use '::' (2 colons) in password", "password", '', '', 1);
echo table_row_description("WARNING", "Please do not use '::' (2 colons) in passwords! You will not be able to login otherwise!<br>'::' is used as delimiter.", "none");
echo NConf_HTML::limit_space(
NConf_HTML::show_highlight('Info', 'For more authentication setups, please reffer to the online documentation!'
. '<br>Just finish your installation and then have a look here --> <a href="http://nconf.org/dokuwiki/doku.php?do=search&id=Authentication+specific+options" target="_blank">Authentication @ nconf.org</a>')
);
?>
<script type="text/javascript">
<!--
function check_input(){
if (document.install.AUTH_ENABLED.value == "0"){
document.install.AUTH_TYPE.disabled = true;
document.install.file_admin_password.disabled = true;
}else{
document.install.AUTH_TYPE.disabled = false;
if (document.install.AUTH_TYPE.value == "file"){
document.install.file_admin_password.disabled = false;
if ( /.*\:\:.*/.test(document.install.file_admin_password.value) ){
document.getElementById('WARNING_titel').style.display = "";
document.getElementById('WARNING_desc').style.display = "";
}else{
document.getElementById('WARNING_titel').style.display = "none";
document.getElementById('WARNING_desc').style.display = "none";
}
}else{
document.install.file_admin_password.disabled = true;
}
}
}
check_input();
//-->
</script>
<?php
}elseif ($step == 4){
# shorter table for this step
echo '</table><table width="500" style="border-collapse: collapse;">';
# copy config.orig to config
echo table_row_description("Check if config files are present", '');
if ( !file_exists('config/nconf.php') ){
echo table_row_description("", 'Config files not present');
echo table_row_description("Create basic settings", 'Creating basic settings for NConf');
$config_files = getFiles("config.orig");
$failed = FALSE;
foreach($config_files as $filename){
$copy = @copy('config.orig/'.$filename, 'config/'.$filename);
if (!$copy) $failed = TRUE;
echo table_row_check("copy config file ($filename)", ($copy) );
}
if ($failed){
echo table_row_description("<br><br>Check if your webserver can handle these:", 'Check if config/ is writable for your webserver<br>Check if config.orig is readable');
}
}else{
echo table_row_check('Config files already exist', TRUE );
}
if ( !file_exists('config/nconf.php') ){
$save_error = TRUE;
}else{
if ($_POST["submit"] != "Retry"){
# delete some vars if user have changed auth type, but he was already in session
if (!isset($_POST["AUTH_TYPE"]) AND check_session_value("AUTH_TYPE") ){
unset($_SESSION["install_data"][3]["AUTH_TYPE"]);
}
if (!isset($_POST["file_admin_password"]) AND check_session_value("file_admin_password") ){
unset($_SESSION["install_data"][3]["file_admin_password"]);
}
}
##
## Write config
##
# save_error is for mark an error, so later will be refresh button when it goes TRUE
$save_error = FALSE;
echo table_row_description("<br>Save configuration", 'Saving your settings to config');
# mysql config
$mysql_config = write_config('config/mysql.php', array('DBHOST', 'DBNAME', 'DBUSER','DBPASS' ) );
echo table_row_check('mysql conf', $mysql_config );
if ($mysql_config !== TRUE) $save_error = TRUE;
# NConf basic
$nconf_config = write_config('config/nconf.php', array('TEMPLATE_DIR', 'NCONFDIR', 'NAGIOS_BIN' ) );
echo table_row_check('NConf basic conf', $nconf_config );
if ($nconf_config !== TRUE) $save_error = TRUE;
# authentication
if (check_session_value("AUTH_ENABLED") ){
$auth_type_config = write_config('config/authentication.php', array('AUTH_ENABLED', 'AUTH_TYPE') );
echo table_row_check('authentication conf', $auth_type_config );
if ($auth_type_config !== TRUE) $save_error = TRUE;
if (check_session_value("AUTH_TYPE") == "file"){
$pw = check_session_value("file_admin_password");
if (!empty($pw)){
$file_accounts_config = write_config('config/.file_accounts.php', array('file_admin_password'), "password_file" );
echo table_row_check('admin password', $file_accounts_config );
if ($file_accounts_config !== TRUE){
$save_error = TRUE;
}else{
# password saved, tell the user the admin account
echo table_row_description("", 'The username for logging in is "admin".');
}
}else{
# password was empty, must be given
echo table_row_check('admin password', "admin password was empty; password is required if authentication is enabled with auth type 'file'" );
$save_error = TRUE;
}
}
}else{
$authentication_config = write_config('config/authentication.php', array('AUTH_ENABLED') );
echo table_row_check('authentication conf', $authentication_config );
if ($authentication_config === FALSE) $save_error = TRUE;
}
if($step == 4 AND $save_error === FALSE ){
echo table_row_description("<br><br>Installation complete", 'Please delete the following files and directories to continue:<br>
<br>- INSTALL
<br>- INSTALL.php
<br>- UPDATE
<br>- UPDATE.php');
session_unset();
}
} # end of if config/nconf.php file exist
}
# End table
echo '</table>';
echo '<table>
<tr><td>
<div id=buttons>';
if ( $step != 1 ){ echo '<br>'; }
if ($step != 0 AND !($step == 4 AND $save_error === FALSE)){
echo '<input type="Submit" value="Back" name="submit" align="middle"> ';
}
if ( $step == 4 AND $save_error === TRUE ){
echo '<input type="Submit" value="Retry" name="submit" align="middle"> ';
}elseif($step == 4 AND $save_error === FALSE ){
# saved, go to index page
echo '<input type="button" value="Finish" name="submit" align="middle" onclick="location.href=\'index.php\'"> ';
}
if ($step != 4){
echo '<input type="Submit" value="Next" name="submit" align="middle"> ';
}
echo'
<!--<input type="Reset" value="Reset">-->
</div>
</td></tr>
</table>
';
echo '</form>';
#
# Load footer
#
require_once 'include/foot.php';
/* DEBUG HELP
echo '<div align="left"><pre>';
var_dump($_SESSION["install_data"]);
echo '</pre></div>';
*/
###
### Finish
### anything is loaded until here
###
?>