From 4e5f4398d932289721a588901e1bb9533166de4c Mon Sep 17 00:00:00 2001
From: doktornotor <notordoktor@gmail.com>
Date: Mon, 3 Aug 2015 21:56:47 +0200
Subject: checkmk- code style fixes, fix URL again to use last working stable
 release

---
 config/checkmk-agent/checkmk.inc | 378 ++++++++++++++++++++-------------------
 1 file changed, 195 insertions(+), 183 deletions(-)

(limited to 'config/checkmk-agent')

diff --git a/config/checkmk-agent/checkmk.inc b/config/checkmk-agent/checkmk.inc
index def0ae2d..67d82e6b 100644
--- a/config/checkmk-agent/checkmk.inc
+++ b/config/checkmk-agent/checkmk.inc
@@ -1,302 +1,314 @@
 <?php
-/* ========================================================================== */
 /*
 	checkmk.inc
-    part of pfSense (http://www.pfSense.com)
-    Copyright (C) 2013 Marcello Coutinho
-    All rights reserved.
-                                                                              */
-/* ========================================================================== */
-/*
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-
-     1. Redistributions of source code MUST retain the above copyright notice,
-        this list of conditions and the following disclaimer.
-
-     2. Redistributions in binary form MUST reproduce the above copyright
-        notice, this list of conditions and the following disclaimer in the
-        documentation and/or other materials provided with the distribution.
-
-    THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
-    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
-    AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-    AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
-    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-    POSSIBILITY OF SUCH DAMAGE.
-                                                                              */
-/* ========================================================================== */
-
-define('ETC_SERVICES','/etc/services');
-define('ETC_INETD','/etc/inetd.conf');
-define('ETC_HOSTS_ALLOW','/etc/hosts.allow');
-define('ETC_RC_CONF','/etc/rc.conf.local');
+	part of pfSense (https://www.pfSense.org/)
+	Copyright (C) 2013 Marcello Coutinho
+	Copyright (C) 2015 ESF, LLC
+	All rights reserved.
+
+	Redistribution and use in source and binary forms, with or without
+	modification, are permitted provided that the following conditions are met:
+
+	1. Redistributions of source code must retain the above copyright notice,
+	   this list of conditions and the following disclaimer.
+
+	2. Redistributions in binary form must reproduce the above copyright
+	   notice, this list of conditions and the following disclaimer in the
+	   documentation and/or other materials provided with the distribution.
+
+	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+	POSSIBILITY OF SUCH DAMAGE.
+*/
+define('ETC_SERVICES', '/etc/services');
+define('ETC_INETD', '/etc/inetd.conf');
+define('ETC_HOSTS_ALLOW', '/etc/hosts.allow');
+define('ETC_RC_CONF', '/etc/rc.conf.local');
 
 function checkmk_install() {
-	// Download latest check_mk version from head repo
-	$checkmk_bin="/usr/local/bin/check_mk_agent";
-	mwexec("fetch -o {$checkmk_bin} 'http://git.mathias-kettner.de/git/?p=check_mk.git;a=blob_plain;f=agents/check_mk_agent.freebsd;hb=refs/heads/1.2.6'");
-	chmod($checkmk_bin,0755);
-	sync_package_checkmk();
-}
+	/*
+	Download last STABLE check_mk version (1.2.5i7) from upstream git repository.
+	IMPORTANT NOTE: Newer versions require bash instead of sh!
+	*/
+	$checkmk_bin = "/usr/local/bin/check_mk_agent";
+	$checkmk_url = 'http://git.mathias-kettner.de/git/?p=check_mk.git;a=blob_plain;f=agents/check_mk_agent.freebsd;hb=e13899bde8bdafe13780427811c8153c59be807f';
+	mwexec("fetch -o {$checkmk_bin} \"{$checkmk_url}\"");
+	chmod($checkmk_bin, 0755);
 
-function checkmk_deinstall() {
-	// reserved
+	sync_package_checkmk();
 }
 
-function checkmk_start() {
-	global $g, $config;
-	
-	// reserved
+function checkmk_text_area_decode($text) {
+	return preg_replace('/\r\n/', "\n", base64_decode($text));
 }
 
-function checkmk_text_area_decode($text){
-	return preg_replace('/\r\n/', "\n",base64_decode($text));	
-}
 function sync_package_checkmk() {
-	global $config, $g;
-	$update_conf=0;
+	global $config, $g, $mk_config;
+	$update_conf = 0;
 
-	if (!is_array($config['installedpackages']['checkmk']['config']))
+	if (!is_array($config['installedpackages']['checkmk']['config'])) {
 		return;
-	
-	$mk_config=$config['installedpackages']['checkmk']['config'][0];
-		
-	$checkmk_bin="/usr/local/bin/check_mk_agent";
-	if (!file_exists($checkmk_bin) && $mk_config['checkmkenable']=="on"){
-		$error = "Check_mk-agent Binary file not found";
-		log_error($error." You can manually download it using this cmd: fetch -o {$checkmk_bin} 'http://git.mathias-kettner.de/git/?p=check_mk.git;a=blob_plain;f=agents/check_mk_agent.freebsd;hb=refs/heads/1.2.6'");
-		file_notice("Check_mk-agent", $error, "checkmk save config", "");
+	}
+
+	$mk_config = $config['installedpackages']['checkmk']['config'][0];
+
+	$checkmk_bin = "/usr/local/bin/check_mk_agent";
+	$checkmk_url = 'http://git.mathias-kettner.de/git/?p=check_mk.git;a=blob_plain;f=agents/check_mk_agent.freebsd;hb=e13899bde8bdafe13780427811c8153c59be807f';
+	if (!file_exists($checkmk_bin) && $mk_config['checkmkenable'] == "on") {
+		$error = "ERROR: check_mk-agent binary file not found.";
+		$error .= " You can manually download it using this cmd: fetch -o {$checkmk_bin} \"{$checkmk_url}\"";
+		log_error($error);
+		file_notice("check_mk-agent", $error, "checkmk save config", "");
 		return;
-		}
-	//mount filesystem writeable
+	}
+
 	conf_mount_rw();
-	
 
-	// check services file
-	$mk_services= file(ETC_SERVICES);
-	$port=($mk_config['checkmkport'] ? $mk_config['checkmkport'] : "6556");
-	foreach($mk_services as $mk_service){
-		if (!preg_match("/check_mk/",$mk_service))
+
+	/* Check services file. */
+	$mk_services = file(ETC_SERVICES);
+	$port = ($mk_config['checkmkport'] ? $mk_config['checkmkport'] : "6556");
+	foreach ($mk_services as $mk_service) {
+		if (!preg_match("/check_mk/", $mk_service)) {
 			$mk_service_file.=chop($mk_service)."\n";
 		}
-	if ($mk_config['checkmkenable']=="on")
-		$mk_service_file.="check_mk	{$port}/tcp   #check_mk agent\n";
-	file_put_contents(ETC_SERVICES,$mk_service_file,LOCK_EX);
-	
-	// check inetd file
-	$mk_inetds= file(ETC_INETD);
-	foreach($mk_inetds as $mk_inetd){
-		if (!preg_match("/check_mk/",$mk_inetd))
+	}
+	if ($mk_config['checkmkenable']=="on") {
+		$mk_service_file .= "check_mk	{$port}/tcp   #check_mk agent\n";
+		file_put_contents(ETC_SERVICES, $mk_service_file, LOCK_EX);
+	}
+
+	/* Check inetd file. */
+	$mk_inetds = file(ETC_INETD);
+	foreach ($mk_inetds as $mk_inetd) {
+		if (!preg_match("/check_mk/",$mk_inetd)) {
 			$mk_inetd_file.=chop($mk_inetd)."\n";
 		}
-	if ($mk_config['checkmkenable']=="on")
-		$mk_inetd_file.="check_mk	stream	tcp	nowait		root	/usr/local/bin/check_mk_agent check_mk\n";
-	file_put_contents(ETC_INETD,$mk_inetd_file,LOCK_EX);
-		 
-	// check hosts.allow
-	$mk_hosts= file(ETC_HOSTS_ALLOW);
-	$inet_daemons_count=0;
-	foreach($mk_hosts as $mk_host){
-		if (!preg_match("/check_mk/",$mk_host))
-			$mk_hosts_file.=chop($mk_host)."\n";
-		if (preg_match("/^\w+/"))
+	}
+	if ($mk_config['checkmkenable']=="on") {
+		$mk_inetd_file .= "check_mk	stream	tcp	nowait		root	/usr/local/bin/check_mk_agent check_mk\n";
+	}
+	file_put_contents(ETC_INETD, $mk_inetd_file, LOCK_EX);
+
+	/* Check hosts.allow file. */
+	$mk_hosts = file(ETC_HOSTS_ALLOW);
+	$inet_daemons_count = 0;
+	foreach ($mk_hosts as $mk_host) {
+		if (!preg_match("/check_mk/",$mk_host)) {
+			$mk_hosts_file .= chop($mk_host) . "\n";
+		}
+		if (preg_match("/^\w+/")) {
 			$inet_daemons_count++;
 		}
-	if ($mk_config['checkmkenable']=="on")
-		foreach (explode(',',$mk_config['checkmkhosts']) as $check_mk_host){
-			$mk_hosts_file.="check_mk : {$check_mk_host} : allow\n";
+	}
+	if ($mk_config['checkmkenable'] == "on") {
+		foreach (explode(',',$mk_config['checkmkhosts']) as $check_mk_host) {
+			$mk_hosts_file .= "check_mk : {$check_mk_host} : allow\n";
 			$inet_daemons_count++;
-			}
-	file_put_contents(ETC_HOSTS_ALLOW,$mk_hosts_file,LOCK_EX);
-	
-	//check inetd daemon rc_conf option
-	$mk_rc_confs= file(ETC_RC_CONF);
-	foreach($mk_rc_confs as $mk_rc_conf){
-		if (!preg_match("/inetd_/",$mk_rc_conf))
-			$mk_rc_conf_file.=chop($mk_rc_conf)."\n";
 		}
-	if ($mk_config['checkmkenable']=="on"){
-		$mk_rc_conf_file.='inetd_enable="YES"'."\n";
-		$mk_rc_conf_file.='inetd_flags="-wW"'."\n";
+	}
+	file_put_contents(ETC_HOSTS_ALLOW, $mk_hosts_file, LOCK_EX);
+
+	/* Check inetd daemon rc_conf option. */
+	$mk_rc_confs= file(ETC_RC_CONF);
+	foreach ($mk_rc_confs as $mk_rc_conf) {
+		if (!preg_match("/inetd_/",$mk_rc_conf)) {
+			$mk_rc_conf_file .= chop($mk_rc_conf)."\n";
 		}
-		
-	file_put_contents(ETC_RC_CONF,$mk_rc_conf_file,LOCK_EX);
-	if ($inet_daemons_count > 0)
+	}
+	if ($mk_config['checkmkenable']=="on") {
+		$mk_rc_conf_file .= 'inetd_enable="YES"' . "\n";
+		$mk_rc_conf_file .= 'inetd_flags="-wW"' . "\n";
+	}
+
+	file_put_contents(ETC_RC_CONF, $mk_rc_conf_file, LOCK_EX);
+	if ($inet_daemons_count > 0) {
 		mwexec("/etc/rc.d/inetd restart");
-	else
+	} else {
 		mwexec("/etc/rc.d/inetd stop");
+	}
 
-	//Write config if any file from filesystem was loaded
-	if ($update_conf > 0)
+	/* Write config if any file from filesystem was loaded. */
+	if ($update_conf > 0) {
 		write_config();
-		
-	// mount filesystem readonly
+	}
+
 	conf_mount_ro();
-	
+
 	checkmk_sync_on_changes();
 }
 
 function checkmk_validate_input($post, &$input_errors) {
 	foreach ($post as $key => $value) {
-		if (empty($value))
+		if (empty($value)) {
 			continue;
-		if (substr($key, 0, 3) == "port" && !preg_match("/^\d+$/", $value))
+		}
+		if (substr($key, 0, 3) == "port" && !preg_match("/^\d+$/", $value)) {
 				$input_errors[] = "{$value} is no a valid port number";
-		if (substr($key, 0, 11) == "description" && !preg_match("@^[a-zA-Z0-9 _/.-]+$@", $value))
+		}
+		if (substr($key, 0, 11) == "description" && !preg_match("@^[a-zA-Z0-9 _/.-]+$@", $value)) {
 				$input_errors[] = "Do not use special characters on description";
-		if (substr($key, 0, 8) == "fullfile" && !preg_match("@^[a-zA-Z0-9_/.-]+$@", $value))
+		}
+		if (substr($key, 0, 8) == "fullfile" && !preg_match("@^[a-zA-Z0-9_/.-]+$@", $value)) {
 				$input_errors[] = "Do not use special characters on filename";
-				
+		}
+
 	}
 }
-##############################################
-/* Uses XMLRPC to synchronize the changes to a remote node */
+
+/* Uses XMLRPC to synchronize the changes to a remote node. */
 function checkmk_sync_on_changes() {
 	global $config, $g;
-	if (is_array($config['installedpackages']['checkmksync']['config'])){
-		$checkmk_sync=$config['installedpackages']['checkmksync']['config'][0];
+	if (is_array($config['installedpackages']['checkmksync']['config'])) {
+		$checkmk_sync = $config['installedpackages']['checkmksync']['config'][0];
 		$synconchanges = $checkmk_sync['synconchanges'];
 		$synctimeout = $checkmk_sync['synctimeout'];
-		switch ($synconchanges){
+		switch ($synconchanges) {
 			case "manual":
-				if (is_array($checkmk_sync[row])){
-					$rs=$checkmksync[row];
-					}
-				else{
-					log_error("[Check_mk-agent] xmlrpc sync is enabled but there is no hosts to push on squid config.");
+				if (is_array($checkmk_sync[row])) {
+					$rs = $checkmksync[row];
+				} else {
+					log_error("[check_mk-agent] XMLRPC sync is enabled but there is no hosts to push on squid config.");
 					return;
-					}
+				}
 				break;
 			case "auto":
-					if (is_array($config['installedpackages']['carpsettings']) && is_array($config['installedpackages']['carpsettings']['config'])){
-						$system_carp=$config['installedpackages']['carpsettings']['config'][0];
-						$rs[0]['ipaddress']=$system_carp['synchronizetoip'];
-						$rs[0]['username']=$system_carp['username'];
-						$rs[0]['password']=$system_carp['password'];
-					}
-					else{
-						log_error("[Check_mk-agent] xmlrpc sync is enabled but there is no system backup hosts to push squid config.");
-						return;
-					}
-				break;			
+				if (is_array($config['installedpackages']['carpsettings']) && is_array($config['installedpackages']['carpsettings']['config'])) {
+					$system_carp = $config['installedpackages']['carpsettings']['config'][0];
+					$rs[0]['ipaddress'] = $system_carp['synchronizetoip'];
+					$rs[0]['username'] = $system_carp['username'];
+					$rs[0]['password'] = $system_carp['password'];
+				} else {
+					log_error("[check_mk-agent] XMLRPC sync is enabled but there is no system backup hosts to push squid config.");
+					return;
+				}
+				break;
 			default:
 				return;
 			break;
 		}
-		if (is_array($rs)){
-			log_error("[Check_mk-agent] xmlrpc sync is starting.");
-			foreach($rs as $sh){
+		if (is_array($rs)) {
+			log_error("[check_mk-agent] XMLRPC sync is starting.");
+			foreach ($rs as $sh) {
 				$sync_to_ip = $sh['ipaddress'];
 				$password = $sh['password'];
-				if($sh['username'])
+				if ($sh['username']) {
 					$username = $sh['username'];
-				else
+				} else {
 					$username = 'admin';
-				if($password && $sync_to_ip)
+				}
+				if ($password && $sync_to_ip) {
 					checkmk_do_xmlrpc_sync($sync_to_ip, $username, $password,$synctimeout);
 				}
-			log_error("[Check_mk-agent] xmlrpc sync is ending.");
+			log_error("[check_mk-agent] XMLRPC sync is ending.");
 			}
- 		}
+		}
+	}
 }
-##############################################
-/* Do the actual XMLRPC sync */
+
+/* Do the actual XMLRPC sync. */
 function checkmk_do_xmlrpc_sync($sync_to_ip, $username, $password,$synctimeout) {
 	global $config, $g;
 
-	if(!$username)
+	if (!$username) {
 		return;
-		
-	if(!$password)
+	}
+
+	if (!$password) {
 		return;
+	}
 
-	if(!$sync_to_ip)
+	if (!$sync_to_ip) {
 		return;
+	}
 
 	$xmlrpc_sync_neighbor = $sync_to_ip;
-    if($config['system']['webgui']['protocol'] != "") {
+	if($config['system']['webgui']['protocol'] != "") {
 		$synchronizetoip = $config['system']['webgui']['protocol'];
 		$synchronizetoip .= "://";
-    }
-    $port = $config['system']['webgui']['port'];
-    /* if port is empty lets rely on the protocol selection */
-    if($port == "") {
-		if($config['system']['webgui']['protocol'] == "http") 
+	}
+	$port = $config['system']['webgui']['port'];
+	/* If port is empty, let's rely on the protocol selection. */
+	if ($port == "") {
+		if($config['system']['webgui']['protocol'] == "http") {
 			$port = "80";
-		else 
+		} else {
 			$port = "443";
-    }
+		}
+	}
 	$synchronizetoip .= $sync_to_ip;
 
-	/* xml will hold the sections to sync */
+	/* xml will hold the sections to sync. */
 	$xml = array();
 	$xml['checkmk'] = $config['installedpackages']['checkmk'];
-	
-	/* assemble xmlrpc payload */
+
+	/* Assemble XMLRPC payload. */
 	$params = array(
 		XML_RPC_encode($password),
 		XML_RPC_encode($xml)
 	);
 
-	/* set a few variables needed for sync code borrowed from filter.inc */
+	/* Set a few variables needed for sync code; borrowed from filter.inc. */
 	$url = $synchronizetoip;
-	log_error("[Check_mk-agent] Beginning checkmk XMLRPC sync to {$url}:{$port}.");
+	log_error("[check_mk-agent] Beginning checkmk XMLRPC sync to {$url}:{$port}.");
 	$method = 'pfsense.merge_installedpackages_section_xmlrpc';
 	$msg = new XML_RPC_Message($method, $params);
 	$cli = new XML_RPC_Client('/xmlrpc.php', $url, $port);
 	$cli->setCredentials($username, $password);
-	if($g['debug'])
+	if ($g['debug']) {
 		$cli->setDebug(1);
-	/* send our XMLRPC message and timeout after 250 seconds */
+	}
+	/* Send our XMLRPC message and timeout after 250 seconds. */
 	$resp = $cli->send($msg, $synctimeout);
-	if(!$resp) {
-		$error = "[Check_mk-agent] A communications error occurred while attempting checkmk XMLRPC sync with {$url}:{$port}.";
+	if (!$resp) {
+		$error = "[check_mk-agent] A communications error occurred while attempting checkmk XMLRPC sync with {$url}:{$port}.";
 		log_error($error);
 		file_notice("sync_settings", $error, "checkmk Settings Sync", "");
-	} elseif($resp->faultCode()) {
+	} elseif ($resp->faultCode()) {
 		$cli->setDebug(1);
 		$resp = $cli->send($msg, $synctimeout);
-		$error = "[Check_mk-agent] An error code was received while attempting checkmk XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
+		$error = "[check_mk-agent] An error code was received while attempting checkmk XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
 		log_error($error);
 		file_notice("sync_settings", $error, "checkmk Settings Sync", "");
 	} else {
-		log_error("[Check_mk-agent] XMLRPC sync successfully completed with {$url}:{$port}.");
+		log_error("[check_mk-agent] XMLRPC sync successfully completed with {$url}:{$port}.");
 	}
-	
-	/* tell checkmk to reload our settings on the destionation sync host. */
+
+	/* Tell check_mk to reload our settings on the destination sync host. */
 	$method = 'pfsense.exec_php';
-	$execcmd  = "require_once('/usr/local/pkg/checkmk.inc');\n";
+	$execcmd = "require_once('/usr/local/pkg/checkmk.inc');\n";
 	$execcmd .= "sync_package_checkmk();";
-	/* assemble xmlrpc payload */
+	/* Assemble XMLRPC payload. */
 	$params = array(
 		XML_RPC_encode($password),
 		XML_RPC_encode($execcmd)
 	);
-	
-	log_error("[Check_mk-agent] XMLRPC reload data {$url}:{$port}.");
+
+	log_error("[check_mk-agent] XMLRPC reload data {$url}:{$port}.");
 	$msg = new XML_RPC_Message($method, $params);
 	$cli = new XML_RPC_Client('/xmlrpc.php', $url, $port);
 	$cli->setCredentials($username, $password);
 	$resp = $cli->send($msg, $synctimeout);
-	if(!$resp) {
-		$error = "[Check_mk-agent] A communications error occurred while attempting checkmk XMLRPC sync with {$url}:{$port} (pfsense.exec_php).";
+	if (!$resp) {
+		$error = "[check_mk-agent] A communications error occurred while attempting checkmk XMLRPC sync with {$url}:{$port} (pfsense.exec_php).";
 		log_error($error);
 		file_notice("sync_settings", $error, "checkmk Settings Sync", "");
-	} elseif($resp->faultCode()) {
+	} elseif ($resp->faultCode()) {
 		$cli->setDebug(1);
 		$resp = $cli->send($msg, $synctimeout);
-		$error = "[Check_mk-agent] An error code was received while attempting checkmk XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
+		$error = "[check_mk-agent] An error code was received while attempting checkmk XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
 		log_error($error);
 		file_notice("sync_settings", $error, "checkmk Settings Sync", "");
 	} else {
-		log_error("[Check_mk-agent] XMLRPC reload data success with {$url}:{$port} (pfsense.exec_php).");
+		log_error("[check_mk-agent] XMLRPC reload data success with {$url}:{$port} (pfsense.exec_php).");
 	}
-	
 }
 
 ?>
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