From e1cfe776605df96751b661e82dc09b51c635d67f Mon Sep 17 00:00:00 2001
From: tbrehm <t.brehm@ispconfig.org>
Date: Wed, 06 Oct 2010 10:22:37 -0400
Subject: [PATCH] Fixed PHP warning in webdav code of apache2_plugin.inc.php

---
 server/plugins-available/apache2_plugin.inc.php |  195 +++++++++++++++++++++++++++++++++++++-----------
 1 files changed, 149 insertions(+), 46 deletions(-)

diff --git a/server/plugins-available/apache2_plugin.inc.php b/server/plugins-available/apache2_plugin.inc.php
index 0a77038..87bf377 100644
--- a/server/plugins-available/apache2_plugin.inc.php
+++ b/server/plugins-available/apache2_plugin.inc.php
@@ -415,9 +415,9 @@
 				}
 				else {
 					exec("cp /usr/local/ispconfig/server/conf/index/standard_index.html_".substr(escapeshellcmd($conf["language"]),0,2)." ".escapeshellcmd($data["new"]["document_root"])."/web/index.html");
-					exec("cp /usr/local/ispconfig/server/conf/index/favicon.ico ".escapeshellcmd($data["new"]["document_root"])."/web/");
-					exec("cp /usr/local/ispconfig/server/conf/index/robots.txt ".escapeshellcmd($data["new"]["document_root"])."/web/");
-					exec("cp /usr/local/ispconfig/server/conf/index/.htaccess ".escapeshellcmd($data["new"]["document_root"])."/web/");
+					if(is_file('/usr/local/ispconfig/server/conf/index/favicon.ico')) exec("cp /usr/local/ispconfig/server/conf/index/favicon.ico ".escapeshellcmd($data["new"]["document_root"])."/web/");
+					if(is_file('/usr/local/ispconfig/server/conf/index/robots.txt')) exec("cp /usr/local/ispconfig/server/conf/index/robots.txt ".escapeshellcmd($data["new"]["document_root"])."/web/");
+					if(is_file('/usr/local/ispconfig/server/conf/index/.htaccess')) exec("cp /usr/local/ispconfig/server/conf/index/.htaccess ".escapeshellcmd($data["new"]["document_root"])."/web/");
 				}
 			}
 			exec("chmod -R a+r ".escapeshellcmd($data["new"]["document_root"])."/web/");
@@ -489,7 +489,7 @@
 			$this->_exec("chmod 751 ".escapeshellcmd($data["new"]["document_root"])."/*");
 			$this->_exec("chmod 710 ".escapeshellcmd($data["new"]["document_root"]."/web"));
 
-			// make temp direcory writable for the apache user and the website user
+			// make temp directory writable for the apache and website users
 			$this->_exec("chmod 777 ".escapeshellcmd($data["new"]["document_root"]."/tmp"));
 
 			$command = 'usermod';
@@ -534,7 +534,7 @@
 			$this->_exec("chmod 755 ".escapeshellcmd($data["new"]["document_root"]."/*"));
 			$this->_exec("chown root:root ".escapeshellcmd($data["new"]["document_root"]."/"));
 
-			// make temp direcory writable for the apache user and the website user
+			// make temp directory writable for the apache and website users
 			$this->_exec("chmod 777 ".escapeshellcmd($data["new"]["document_root"]."/tmp"));
 		}
 
@@ -543,7 +543,30 @@
 		$this->_exec("chown $username:$groupname ".escapeshellcmd($data["new"]["document_root"])."/log/error.log");
 
 
-		// Create the vhost config file
+		//* Write the custom php.ini file, if custom_php_ini filed is not empty
+		$custom_php_ini_dir = $web_config['website_basedir'].'/conf/'.$data["new"]["system_user"];
+		if(!is_dir($web_config['website_basedir'].'/conf')) mkdir($web_config['website_basedir'].'/conf');
+		if(trim($data["new"]['custom_php_ini']) != '') {
+			$has_custom_php_ini = true;
+			if(!is_dir($custom_php_ini_dir)) mkdir($custom_php_ini_dir);
+			$php_ini_content = '';
+			if($data["new"]['php'] == 'mod') {
+				$master_php_ini_path = $web_config['php_ini_path_apache'];
+			} else {
+				$master_php_ini_path = $web_config['php_ini_path_cgi'];
+			}
+			if($master_php_ini_path != '' && substr($master_php_ini_path,-7) == 'php.ini' && is_file($master_php_ini_path)) {
+				$php_ini_content .= file_get_contents($master_php_ini_path)."\n";
+			}
+			$php_ini_content .= trim($data["new"]['custom_php_ini']);
+			file_put_contents($custom_php_ini_dir.'/php.ini',$php_ini_content);
+		} else {
+			$has_custom_php_ini = false;
+			if(is_file($custom_php_ini_dir.'/php.ini')) unlink($custom_php_ini_dir.'/php.ini');
+		}
+
+
+		//* Create the vhost config file
 		$app->load('tpl');
 
 		$tpl = new tpl();
@@ -557,6 +580,8 @@
 		$vhost_data["allow_override"] = ($data["new"]["allow_override"] == '')?'All':$data["new"]["allow_override"];
 		$vhost_data["php_open_basedir"] = ($data["new"]["php_open_basedir"] == '')?$data["new"]["document_root"]:$data["new"]["php_open_basedir"];
 		$vhost_data["ssl_domain"] = $data["new"]["ssl_domain"];
+		$vhost_data["has_custom_php_ini"] = $has_custom_php_ini;
+		$vhost_data["custom_php_ini_dir"] = escapeshellcmd($custom_php_ini_dir);
 
 		// Check if a SSL cert exists
 		$ssl_dir = $data["new"]["document_root"]."/ssl";
@@ -709,8 +734,12 @@
 
 			$fcgi_tpl = new tpl();
 			$fcgi_tpl->newTemplate("php-fcgi-starter.master");
-
-			$fcgi_tpl->setVar('php_ini_path',escapeshellcmd($fastcgi_config["fastcgi_phpini_path"]));
+			
+			if($has_custom_php_ini) {
+				$fcgi_tpl->setVar('php_ini_path',escapeshellcmd($custom_php_ini_dir));
+			} else {
+				$fcgi_tpl->setVar('php_ini_path',escapeshellcmd($fastcgi_config["fastcgi_phpini_path"]));
+			}
 			$fcgi_tpl->setVar('document_root',escapeshellcmd($data["new"]["document_root"]));
 			$fcgi_tpl->setVar('php_fcgi_children',escapeshellcmd($fastcgi_config["fastcgi_children"]));
 			$fcgi_tpl->setVar('php_fcgi_max_requests',escapeshellcmd($fastcgi_config["fastcgi_max_requests"]));
@@ -772,6 +801,13 @@
 			//$cgi_tpl->setVar('open_basedir', "/var/www/" . $data["new"]["domain"]);
 			$cgi_tpl->setVar('php_cgi_bin',$cgi_config["cgi_bin"]);
 			$cgi_tpl->setVar('security_level',$web_config["security_level"]);
+			
+			$cgi_tpl->setVar('has_custom_php_ini',$has_custom_php_ini);
+			if($has_custom_php_ini) {
+				$cgi_tpl->setVar('php_ini_path',escapeshellcmd($custom_php_ini_dir));
+			} else {
+				$cgi_tpl->setVar('php_ini_path',escapeshellcmd($fastcgi_config["fastcgi_phpini_path"]));
+			}
 
 			$cgi_starter_script = escapeshellcmd($cgi_starter_path.$cgi_config["cgi_starter_script"]);
 			file_put_contents($cgi_starter_script,$cgi_tpl->grab());
@@ -789,6 +825,10 @@
 		}
 
 		$vhost_file = escapeshellcmd($web_config["vhost_conf_dir"].'/'.$data["new"]["domain"].'.vhost');
+		//* Make a backup copy of vhost file
+		copy($vhost_file,$vhost_file.'~');
+		
+		//* Write vhost file
 		file_put_contents($vhost_file,$tpl->grab());
 		$app->log("Writing the vhost file: $vhost_file",LOGLEVEL_DEBUG);
 		unset($tpl);
@@ -843,14 +883,36 @@
 		if($data["new"]["stats_type"] == 'awstats' && $data["new"]["type"] == "vhost") {
 			$this->awstats_update($data,$web_config);
 		}
+		
+		if($web_config['check_apache_config'] == 'y') {
+			//* Test if apache starts with the new configuration file
+			$apache_online_status_before_restart = $this->_checkTcp('localhost',80);
+			$app->log("Apache status is: ".$apache_online_status_before_restart,LOGLEVEL_DEBUG);
 
-
-		if($apache_chrooted) {
-			$app->services->restartServiceDelayed('httpd','restart');
+			$app->services->restartService('httpd','restart');
+		
+			//* Check if apache restarted successfully if it was online before
+			$apache_online_status_after_restart = $this->_checkTcp('localhost',80);
+			$app->log("Apache online status after restart is: ".$apache_online_status_after_restart,LOGLEVEL_DEBUG);
+			if($apache_online_status_before_restart && !$apache_online_status_after_restart) {
+				$app->log("Apache did not restart after the configuration change for website ".$data["new"]["domain"].' Reverting the configuration. Saved not working config as '.$vhost_file.'.err',LOGLEVEL_WARN);
+				copy($vhost_file,$vhost_file.'.err');
+				copy($vhost_file.'~',$vhost_file);
+				$app->services->restartService('httpd','restart');
+			}
 		} else {
-			// request a httpd reload when all records have been processed
-			$app->services->restartServiceDelayed('httpd','reload');
+			//* We do not check the apache config after changes (is faster)
+			if($apache_chrooted) {
+				$app->services->restartServiceDelayed('httpd','restart');
+			} else {
+				// request a httpd reload when all records have been processed
+				$app->services->restartServiceDelayed('httpd','reload');
+			}
 		}
+		
+		// Remove the backup copy of the config file.
+		unlink($vhost_file.'~');
+		
 
 		//* Unset action to clean it for next processed vhost.
 		$this->action = '';
@@ -865,7 +927,7 @@
 		$web_config = $app->getconf->get_server_config($conf["server_id"], 'web');
 
 		//* Check if this is a chrooted setup
-		if($web_config['website_basedir'] != '' && @is_file($web_config['/var/www'].'/etc/passwd')) {
+		if($web_config['website_basedir'] != '' && @is_file($web_config['website_basedir'].'/etc/passwd')) {
 			$apache_chrooted = true;
 		} else {
 			$apache_chrooted = false;
@@ -990,13 +1052,14 @@
 	 */
 	public function webdav($event_name,$data) {
 		global $app, $conf;
+		
+		/*
+		 * load the server configuration options
+		*/
+		$app->uses("getconf");
+		$web_config = $app->getconf->get_server_config($conf["server_id"], 'web');
 
 		if (($event_name == 'webdav_user_insert') || ($event_name == 'webdav_user_update')) {
-			/*
-			 * load the server configuration options
-			*/
-			$app->uses("getconf");
-			$web_config = $app->getconf->get_server_config($conf["server_id"], 'web');
 
 			/*
 			 * Get additional informations
@@ -1072,12 +1135,29 @@
 			*/
 			$sitedata = $app->db->queryOneRecord("SELECT document_root, domain FROM web_domain WHERE domain_id = " . $data['old']['parent_domain_id']);
 			$documentRoot = $sitedata['document_root'];
+			$domain = $sitedata['domain'];
 
 			/*
 			 * We dont't want to destroy any (transfer)-Data. So we do NOT delete any dir.
 			 * So the only thing, we have to do, is to delete the user from the password-file
 			*/
 			$this->_writeHtDigestFile( $documentRoot . '/webdav/' . $data['old']['dir'] . '.htdigest', $data['old']['username'], $data['old']['dir'], '');
+			
+			/*
+			 * Next step, patch the vhost - file
+			*/
+			$vhost_file = escapeshellcmd($web_config["vhost_conf_dir"] . '/' . $domain . '.vhost');
+			$this->_patchVhostWebdav($vhost_file, $documentRoot . '/webdav');
+			
+			/*
+			 * Last, restart apache
+			*/
+			if($apache_chrooted) {
+				$app->services->restartServiceDelayed('httpd','restart');
+			} else {
+				// request a httpd reload when all records have been processed
+				$app->services->restartServiceDelayed('httpd','reload');
+			}
 		}
 	}
 
@@ -1093,26 +1173,29 @@
 	 */
 	private function _writeHtDigestFile($filename, $username, $authname, $pwdhash ) {
 		$changed = false;
-		$in = fopen($filename, 'r');
-		$output = '';
-		/*
-		 * read line by line and search for the username and authname
-		*/
-		while (preg_match("/:/", $line = fgets($in))) {
-			$line = rtrim($line);
-			$tmp = explode(':', $line);
-			if ($tmp[0] == $username && $tmp[1] == $authname) {
-				/*
-				 * found the user. delete or change it?
-				*/
-				if ($pwdhash != '') {
-					$output .= $tmp[0] . ':' . $tmp[1] . ':' . $pwdhash . "\n";
-					}
-				$changed = true;
+		if(is_file($filename)) {
+			$in = fopen($filename, 'r');
+			$output = '';
+			/*
+			* read line by line and search for the username and authname
+			*/
+			while (preg_match("/:/", $line = fgets($in))) {
+				$line = rtrim($line);
+				$tmp = explode(':', $line);
+				if ($tmp[0] == $username && $tmp[1] == $authname) {
+					/*
+					* found the user. delete or change it?
+					*/
+					if ($pwdhash != '') {
+						$output .= $tmp[0] . ':' . $tmp[1] . ':' . $pwdhash . "\n";
+						}
+					$changed = true;
+				}
+				else {
+					$output .= $line . "\n";
+				}
 			}
-			else {
-				$output .= $line . "\n";
-			}
+			fclose($in);
 		}
 		/*
 		 * if we didn't change anything, we have to add the new user at the end of the file
@@ -1120,12 +1203,16 @@
 		if (!$changed) {
 			$output .= $username . ':' . $authname . ':' . $pwdhash . "\n";
 		}
-		fclose($in);
+		
 
 		/*
 		 * Now lets write the new file
 		*/
-		file_put_contents($filename, $output);
+		if(trim($output) == '') {
+			unlink($filename);
+		} else {
+			file_put_contents($filename, $output);
+		}
 	}
 
 	/**
@@ -1159,7 +1246,8 @@
 				/*
 				 * add all the webdav-dirs to the webdav-section
 				*/
-				$files = scandir($webdavRoot);
+				$files = @scandir($webdavRoot);
+				if(is_array($files)) {
 				foreach($files as $file) {
 					if (substr($file, strlen($file) - strlen('.htdigest')) == '.htdigest') {
 						/*
@@ -1179,6 +1267,7 @@
 						$output .= "        Allow from all \n";
 						$output .= "      </Location> \n";
 					}
+				}
 				}
 			}
 			/*
@@ -1211,16 +1300,18 @@
 	private function awstats_update ($data,$web_config) {
 		global $app;
 		
+		$awstats_conf_dir = $web_config['awstats_conf_dir'];
+		
 		if(!@is_file($awstats_conf_dir."/awstats.".$data["new"]["domain"].".conf") || ($data["old"]["domain"] != '' && $data["new"]["domain"] != $data["old"]["domain"])) {
 			if ( @is_file($awstats_conf_dir."/awstats.".$data["old"]["domain"].".conf") ) {
 				unlink($awstats_conf_dir."/awstats.".$data["old"]["domain"].".conf");
 			}
 			
 			$content = '';
-			$content .= "Include '".$awstats_conf_dir."/awstats.conf'\n";
-			$content .= "LogFile='/var/log/ispconfig/httpd/".$data["new"]["domain"]."/access.log'\n";
-			$content .= "SiteDomain='".$data["new"]["domain"]."'\n";
-			$content .= "HostAliases='www.".$data["new"]["domain"]."  localhost 127.0.0.1'\n";
+			$content .= "Include \"".$awstats_conf_dir."/awstats.conf\"\n";
+			$content .= "LogFile=\"/var/log/ispconfig/httpd/".$data["new"]["domain"]."/access.log\"\n";
+			$content .= "SiteDomain=\"".$data["new"]["domain"]."\"\n";
+			$content .= "HostAliases=\"www.".$data["new"]["domain"]."  localhost 127.0.0.1\"\n";
 			
 			file_put_contents($awstats_conf_dir.'/awstats.'.$data["new"]["domain"].'.conf',$content);
 			$app->log("Created awstats config file: ".$awstats_conf_dir.'/awstats.'.$data["new"]["domain"].'.conf',LOGLEVEL_DEBUG);
@@ -1245,8 +1336,20 @@
 		$app->log("exec: ".$command,LOGLEVEL_DEBUG);
 		exec($command);
 	}
+	
+	private function _checkTcp ($host,$port) {
+
+		$fp = @fsockopen ($host, $port, $errno, $errstr, 2);
+
+		if ($fp) {
+			fclose($fp);
+			return true;
+		} else {
+			return false;
+		}
+	}
 
 
 } // end class
 
-?>
\ No newline at end of file
+?>

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