pfSense

<?php

/*

 * diag_edit.php

 *

 * part of pfSense (https://www.pfsense.org)

 * Copyright (c) 2004-2013 BSD Perimeter

 * Copyright (c) 2013-2016 Electric Sheep Fencing

 * Copyright (c) 2014-2020 Rubicon Communications, LLC (Netgate)

 * All rights reserved.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

##|+PRIV

##|*IDENT=page-diagnostics-edit

##|*NAME=Diagnostics: Edit File

##|*DESCR=Allow access to the 'Diagnostics: Edit File' page.

##|*WARN=standard-warning-root

##|*MATCH=diag_edit.php*

##|*MATCH=browser.php*

##|*MATCH=vendor/filebrowser/browser.php*

##|-PRIV

$pgtitle = array(gettext("Diagnostics"), gettext("Edit File"));

require_once("guiconfig.inc");

if ($_POST['action']) {

	switch ($_POST['action']) {

		case 'load':

			if (strlen($_POST['file']) < 1) {

				print('|5|');

				print_info_box(gettext("No file name specified."), 'danger');

				print('|');

			} elseif (is_dir($_POST['file'])) {

				print('|4|');

				print_info_box(gettext("Loading a directory is not supported."), 'danger');

				print('|');

			} elseif (!is_file($_POST['file'])) {

				print('|3|');

				print_info_box(gettext("File does not exist or is not a regular file."), 'danger');

				print('|');

			} else {

				$data = file_get_contents(urldecode($_POST['file']));

				if ($data === false) {

					print('|1|');

					print_info_box(gettext("Failed to read file."), 'danger');

					print('|');

				} else {

					$data = base64_encode($data);

					print("|0|{$_POST['file']}|{$data}|");

				}

			}

			exit;

		case 'save':

			if (strlen($_POST['file']) < 1) {

				print('|');

				print_info_box(gettext("No file name specified."), 'danger');

				print('|');

			} else {

				$_POST['data'] = str_replace("\r", "", base64_decode($_POST['data']));

				$ret = file_put_contents($_POST['file'], $_POST['data']);

				if ($_POST['file'] == "/conf/config.xml" || $_POST['file'] == "/cf/conf/config.xml") {

					if (file_exists("/tmp/config.cache")) {

						unlink("/tmp/config.cache");

					}

					disable_security_checks();

				}

				if ($ret === false) {

					print('|');

					print_info_box(gettext("Failed to write file."), 'danger');

					print('|');

				} elseif ($ret != strlen($_POST['data'])) {

					print('|');

					print_info_box(gettext("Error while writing file."), 'danger');

					print('|');

				} else {

					print('|');

					print_info_box(gettext("File saved successfully."), 'success');

					print('|');

				}

			}

			exit;

	}

	exit;

}

require_once("head.inc");

print_callout(gettext("The capabilities offered here can be dangerous. No support is available. Use them at your own risk!"), 'danger', gettext('Advanced Users Only'));

?>

<!-- file status box -->

<div style="display:none; background:#eeeeee;" id="fileStatusBox">

	<div id="fileStatus"></div>

</div>

<div class="panel panel-default">

	<div class="panel-heading"><h2 class="panel-title"><?=gettext("Save / Load a File from the Filesystem")?></h2></div>

	<div class="panel-body">

		<div class="content">

			<form>

				<p><input type="text" class="form-control" id="fbTarget" placeholder="<?=gettext('Path to file to be edited')?>"/></p>

				<div class="btn-group">

					<p>

						<button type="button" class="btn btn-default btn-sm" onclick="loadFile();"	value="<?=gettext('Load')?>">

							<i class="fa fa-file-text-o"></i>

							<?=gettext('Load')?>

						</button>

						<button type="button" class="btn btn-default btn-sm" id="fbOpen"		value="<?=gettext('Browse')?>">

							<i class="fa fa-list"></i>

							<?=gettext('Browse')?>

						</button>

						<button type="button" class="btn btn-default btn-sm" onclick="saveFile();"	value="<?=gettext('Save')?>">

							<i class="fa fa-save"></i>

							<?=gettext('Save')?>

						</button>

					</p>

				</div>

				<p class="pull-right">

					<button id="btngoto" class="btn btn-default btn-sm"><i class="fa fa-forward"></i><?=gettext("GoTo Line #")?></button> <input type="number" id="gotoline" size="6" style="padding: 3px 0px;"/>

				</p>

			</form>

			<div id="fbBrowser" style="display:none; border:1px dashed gray; width:98%; padding:10px"></div>

			<script type="text/javascript">

			//<![CDATA[

			window.onload=function() {

				document.getElementById("fileContent").wrap='off';

			}

			//]]>

			</script>

			<textarea id="fileContent" name="fileContent" class="form-control" rows="30" cols="20"></textarea>

		</div>

	</div>

</div>

<script type="text/javascript">

//<![CDATA[

	events.push(function(){

		function showLine(tarea, lineNum) {

			lineNum--; // array starts at 0

			var lines = tarea.value.split("\n");

			// calculate start/end

			var startPos = 0, endPos = tarea.value.length;

			for (var x = 0; x < lines.length; x++) {

				if (x == lineNum) {

					break;

				}

				startPos += (lines[x].length+1);

			}

			var endPos = lines[lineNum].length+startPos;

			// do selection

			// Chrome / Firefox

			if (typeof(tarea.selectionStart) != "undefined") {

				tarea.focus();

				tarea.selectionStart = startPos;

				tarea.selectionEnd = endPos;

				return true;

			}

			// IE

			if (document.selection && document.selection.createRange) {

				tarea.focus();

				tarea.select();

				var range = document.selection.createRange();

				range.collapse(true);

				range.moveEnd("character", endPos);

				range.moveStart("character", startPos);

				range.select();

				return true;

			}

			return false;

		}

		$("#btngoto").prop('type','button');

		//On clicking the GoTo button, validate the entered value

		// and highlight the required line

		$('#btngoto').click(function() {

			var tarea = document.getElementById("fileContent");

			var gtl = $('#gotoline').val();

			var lines = $("#fileContent").val().split(/\r|\r\n|\n/).length;

			if (gtl < 1) {

				gtl = 1;

			}

			if (gtl > lines) {

				gtl = lines;

			}

			showLine(tarea, gtl);

		});

		// Goto the specified line on pressing the Enter key within the "Goto line" input element

		$('#gotoline').keyup(function(e) {

			if(e.keyCode == 13) {

				$('#btngoto').click();

			}

		});

	}); // e-o-events.push()

	function loadFile() {

		$("#fileStatus").html("");

		$("#fileStatusBox").show(500);

		$.ajax(

			"<?=$_SERVER['SCRIPT_NAME']?>", {

				type: "post",

				data: "action=load&file=" + $("#fbTarget").val(),

				complete: loadComplete

			}

		);

	}

	function loadComplete(req) {

		$("#fileContent").show(1000);

		var values = req.responseText.split("|");

		values.shift(); values.pop();

		if (values.shift() == "0") {

			var file = values.shift();

			var fileContent = window.Base64.decode(values.join("|"));

			$("#fileContent").val(fileContent);

		} else {

			$("#fileStatus").html(values[0]);

			$("#fileContent").val("");

		}

		$("#fileContent").show(1000);

	}

	function saveFile(file) {

		$("#fileStatus").html("");

		$("#fileStatusBox").show(500);

		var fileContent = Base64.encode($("#fileContent").val());

		fileContent = fileContent.replace(/\+/g, "%2B");

		$.ajax(

			"<?=$_SERVER['SCRIPT_NAME']?>", {

				type: "post",

				data: "action=save&file=" + $("#fbTarget").val() +

							"&data=" + fileContent,

				complete: function(req) {

					var values = req.responseText.split("|");

					$("#fileStatus").html(values[1]);

				}

			}

		);

	}

/**

 *

 *	Base64 encode / decode

 *	http://www.webtoolkit.info/

 *	http://www.webtoolkit.info/licence

 **/

var Base64 = {

	// private property

	_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

	// public method for encoding

	encode : function (input) {

		var output = "";

		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;

		var i = 0;

		input = Base64._utf8_encode(input);

		while (i < input.length) {

			chr1 = input.charCodeAt(i++);

			chr2 = input.charCodeAt(i++);

			chr3 = input.charCodeAt(i++);

			enc1 = chr1 >> 2;

			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);

			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);

			enc4 = chr3 & 63;

			if (isNaN(chr2)) {

				enc3 = enc4 = 64;

			} else if (isNaN(chr3)) {

				enc4 = 64;

			}

			output = output +

			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +

			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

		}

		return output;

	},

	// public method for decoding

	decode : function (input) {

		var output = "";

		var chr1, chr2, chr3;

		var enc1, enc2, enc3, enc4;

		var i = 0;

		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

		while (i < input.length) {

			enc1 = this._keyStr.indexOf(input.charAt(i++));

			enc2 = this._keyStr.indexOf(input.charAt(i++));

			enc3 = this._keyStr.indexOf(input.charAt(i++));

			enc4 = this._keyStr.indexOf(input.charAt(i++));

			chr1 = (enc1 << 2) | (enc2 >> 4);

			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);

			chr3 = ((enc3 & 3) << 6) | enc4;

			output = output + String.fromCharCode(chr1);

			if (enc3 != 64) {

				output = output + String.fromCharCode(chr2);

			}

			if (enc4 != 64) {

				output = output + String.fromCharCode(chr3);

			}

		}

		output = Base64._utf8_decode(output);

		return output;

	},

	// private method for UTF-8 encoding

	_utf8_encode : function (string) {

		string = string.replace(/\r\n/g,"\n");

		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {

				utftext += String.fromCharCode(c);

			} else if ((c > 127) && (c < 2048)) {

				utftext += String.fromCharCode((c >> 6) | 192);

				utftext += String.fromCharCode((c & 63) | 128);

			} else {

				utftext += String.fromCharCode((c >> 12) | 224);

				utftext += String.fromCharCode(((c >> 6) & 63) | 128);

				utftext += String.fromCharCode((c & 63) | 128);

			}

		}

		return utftext;

	},

	// private method for UTF-8 decoding

	_utf8_decode : function (utftext) {

		var string = "";

		var i = 0;

		var c = c1 = c2 = 0;

		while (i < utftext.length) {

			c = utftext.charCodeAt(i);

			if (c < 128) {

				string += String.fromCharCode(c);

				i++;

			} else if ((c > 191) && (c < 224)) {

				c2 = utftext.charCodeAt(i+1);

				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));

				i += 2;

			} else {

				c2 = utftext.charCodeAt(i+1);

				c3 = utftext.charCodeAt(i+2);

				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));

				i += 3;

			}

		}

		return string;

	}

};

	<?php if ($_POST['action'] == "load"): ?>

		events.push(function() {

			$("#fbTarget").val("<?=htmlspecialchars($_POST['path'])?>");

			loadFile();

		});

	<?php endif; ?>

//]]>

</script>

<?php include("foot.inc");

outputJavaScriptFileInline("vendor/filebrowser/browser.js");