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<?php
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/* $Id$ */
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/*
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	crash_reporter.php
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	part of pfSense
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	Copyright (C) 2011 Scott Ullrich
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	All rights reserved.
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	Redistribution and use in source and binary forms, with or without
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	modification, are permitted provided that the following conditions are met:
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	1. Redistributions of source code must retain the above copyright notice,
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	   this list of conditions and the following disclaimer.
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	2. Redistributions in binary form must reproduce the above copyright
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	   notice, this list of conditions and the following disclaimer in the
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	   documentation and/or other materials provided with the distribution.
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	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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	POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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	pfSense_MODULE:	header
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*/
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##|+PRIV
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##|*IDENT=page-diagnostics-crash-reporter
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##|*NAME=Crash reporter
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##|*DESCR=Uploads crash reports to pfSense and or deletes crash reports.
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##|*MATCH=crash_reporter.php*
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##|-PRIV
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require("guiconfig.inc");
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require("functions.inc");
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require("captiveportal.inc");
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define("FILE_SIZE", 450000);
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function upload_crash_report($files) {
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	global $g;
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	$post = array();
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	$counter = 0;
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	foreach($files as $file) {
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		$post["file{$counter}"] = "@{$file}";
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		$counter++;
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	}
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    $ch = curl_init();
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    curl_setopt($ch, CURLOPT_HEADER, 0);
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    curl_setopt($ch, CURLOPT_VERBOSE, 0);
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    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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    curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible;)");
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    curl_setopt($ch, CURLOPT_URL, $g['crashreporterurl']);
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    curl_setopt($ch, CURLOPT_POST, true);
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    curl_setopt($ch, CURLOPT_POSTFIELDS, $post); 
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    $response = curl_exec($ch);
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	return $response;
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}
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function output_crash_reporter_html($crash_reports) {
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	echo "<strong>" . gettext("Unfortunately we have detected a programming bug.") . "</strong></p>";
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	echo gettext("Would you like to submit the programming debug logs to the pfSense developers for inspection?") . "</p>";
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	echo "<p>";
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	echo "<i>" . gettext("Please double check the contents to ensure you are comfortable sending this information before clicking Yes.") . "</i><br/>";
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	echo "<p>";
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	echo gettext("Contents of crash reports") . ":<br/>";
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	echo "<textarea readonly rows='40' cols='65' name='crashreports'>{$crash_reports}</textarea>";
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	echo "<p/>";
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	echo "<input name=\"Submit\" type=\"submit\" class=\"formbtn\" value=\"" . gettext("Yes") .  "\">" . gettext(" - Submit this to the developers for inspection");
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	echo "<p/><input name=\"Submit\" type=\"submit\" class=\"formbtn\" value=\"" . gettext("No") .  "\">" . gettext(" - Just delete the crash report and take me back to the Dashboard");
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	echo "<p/>";
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	echo "</form>";
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}
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$pgtitle = array(gettext("Diagnostics"),gettext("Crash reporter"));
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include('head.inc');
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$crash_report_header = "Crash report begins.  Anonymous machine information:\n\n";
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$crash_report_header .= php_uname("m") . "\n";
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$crash_report_header .= php_uname("r") . "\n";
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$crash_report_header .= php_uname("v") . "\n";
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$crash_report_header .= "\nCrash report details:\n";
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exec("/usr/bin/grep -vi warning /tmp/PHP_errors.log", $php_errors);
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?>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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	<form action="crash_reporter.php" method="post">
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<?php
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	if (gettext($_POST['Submit']) == "Yes") {
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		echo gettext("Processing...");
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		if (!is_dir("/var/crash"))
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			mwexec("/bin/mkdir -p /var/crash");
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		@file_put_contents("/var/crash/crashreport_header.txt", $crash_report_header);
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		if(file_exists("/tmp/PHP_errors.log"))
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			exec("cp /tmp/PHP_errors.log /var/crash/");
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		exec("/usr/bin/gzip /var/crash/*");
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		$files_to_upload = glob("/var/crash/*");
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		echo "<p/>";
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		echo gettext("Uploading...");
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		ob_flush();
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		flush();
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		if(is_array($files_to_upload)) {
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			$resp = upload_crash_report($files_to_upload);
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			exec("rm /var/crash/*");
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			// Erase the contents of the PHP error log
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			fclose(fopen("/tmp/PHP_errors.log", 'w'));
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			echo "<p/>";
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			print_r($resp);
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			echo "<p/><a href='/'>" . gettext("Continue") . "</a>" . gettext(" and delete crash report files from local disk.");
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		} else {
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			echo "Could not find any crash files.";
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		}
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	} else if(gettext($_POST['Submit']) == "No") {
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		exec("rm /var/crash/*");
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		// Erase the contents of the PHP error log
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		fclose(fopen("/tmp/PHP_errors.log", 'w'));
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		Header("Location: /");
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		exit;
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	} else {
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		$crash_files = glob("/var/crash/*");
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		$crash_reports = $crash_report_header;
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		if (count($php_errors) > 0) {
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			$crash_reports .= "\nPHP Errors:\n";
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			$crash_reports .= implode("\n", $php_errors) . "\n\n";
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		}
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		if(is_array($crash_files))	{
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			foreach($crash_files as $cf) {
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				if(filesize($cf) < FILE_SIZE) {
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					$crash_reports .= "\nFilename: {$cf}\n";
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					$crash_reports .= file_get_contents($cf);
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				}
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			}
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		} else { 
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			echo "Could not locate any crash data.";
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		}
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		output_crash_reporter_html($crash_reports);
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	}
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?>
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<?php include("fend.inc"); ?>
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</body>
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</html>