arpwatch - code style cleanup

- Add missing copyright header
- Remove obsolete pfSense version check
- Code style cleanup

1 files changed, 36 insertions, 18 deletions

diff --git a/config/arpwatch/sm.php b/config/arpwatch/sm.php
index 2e1cc4a0..4df6cead 100644
--- a/config/arpwatch/sm.php
+++ b/config/arpwatch/sm.php
@@ -1,33 +1,49 @@
 #!/usr/local/bin/php -q
 <?php
+/*
+	sm.php
+	part of pfSense (https://www.pfSense.org/)
+	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.
+*/
 require_once("config.inc");
 require_once("globals.inc");
 require_once("notices.inc");
 
-$pf_version=substr(trim(file_get_contents("/etc/version")),0,3);
-if (($pf_version < 2.1)) {
-	$error = "Sending e-mail on this version of pfSense is not supported. Please use pfSense 2.1 or later";
-	log_error($error);
-	echo "{$error}\n";
-	return;
-}
-
 $options = getopt("s::");
-
 $message = "";
 
-if($options['s'] <> "") {
+if ($options['s'] <> "") {
 	$subject = $options['s'];
 }
 
-
 $in = file("php://stdin");
-foreach($in as $line){
+foreach ($in as $line) {
 	$line = trim($line);
-	if (       (substr($line, 0, 6) == "From: ")
-		|| (substr($line, 0, 6) == "Date: ")
-		|| (substr($line, 0, 4) == "To: "))
+	if ((substr($line, 0, 6) == "From: ") || (substr($line, 0, 6) == "Date: ") || (substr($line, 0, 4) == "To: ")) {
 		continue;
+	}
 	if (empty($subject) && (substr($line, 0, 9) == "Subject: ")) {
 		$subject = substr($line, 9);
 		continue;
@@ -35,8 +51,10 @@ foreach($in as $line){
 	$message .= "$line\n";
 }
 
-if (!empty($subject))
+if (!empty($subject)) {
 	send_smtp_message($message, $subject);
-else
+} else {
 	send_smtp_message($message);
-?>
\ No newline at end of file
+}
+
+?>