/usr/include/firefox/jswrapper.h is in firefox-dev 11.0+build1-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=4 sw=4 et tw=99:
*
* ***** 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 Mozilla SpiderMonkey JavaScript 1.9 code, released
* May 28, 2008.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Andreas Gal <gal@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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 ***** */
#ifndef jswrapper_h___
#define jswrapper_h___
#include "mozilla/Attributes.h"
#include "jsapi.h"
#include "jsproxy.h"
namespace js {
/* No-op wrapper handler base class. */
class JS_FRIEND_API(Wrapper) : public ProxyHandler
{
uintN mFlags;
public:
uintN flags() const { return mFlags; }
explicit Wrapper(uintN flags);
typedef enum { PermitObjectAccess, PermitPropertyAccess, DenyAccess } Permission;
virtual ~Wrapper();
/* ES5 Harmony fundamental wrapper traps. */
virtual bool getPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id, bool set,
PropertyDescriptor *desc) MOZ_OVERRIDE;
virtual bool getOwnPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id, bool set,
PropertyDescriptor *desc) MOZ_OVERRIDE;
virtual bool defineProperty(JSContext *cx, JSObject *wrapper, jsid id,
PropertyDescriptor *desc) MOZ_OVERRIDE;
virtual bool getOwnPropertyNames(JSContext *cx, JSObject *wrapper, AutoIdVector &props) MOZ_OVERRIDE;
virtual bool delete_(JSContext *cx, JSObject *wrapper, jsid id, bool *bp) MOZ_OVERRIDE;
virtual bool enumerate(JSContext *cx, JSObject *wrapper, AutoIdVector &props) MOZ_OVERRIDE;
virtual bool fix(JSContext *cx, JSObject *wrapper, Value *vp) MOZ_OVERRIDE;
/* ES5 Harmony derived wrapper traps. */
virtual bool has(JSContext *cx, JSObject *wrapper, jsid id, bool *bp) MOZ_OVERRIDE;
virtual bool hasOwn(JSContext *cx, JSObject *wrapper, jsid id, bool *bp) MOZ_OVERRIDE;
virtual bool get(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, Value *vp) MOZ_OVERRIDE;
virtual bool set(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, bool strict,
Value *vp) MOZ_OVERRIDE;
virtual bool keys(JSContext *cx, JSObject *wrapper, AutoIdVector &props) MOZ_OVERRIDE;
virtual bool iterate(JSContext *cx, JSObject *wrapper, uintN flags, Value *vp) MOZ_OVERRIDE;
/* Spidermonkey extensions. */
virtual bool call(JSContext *cx, JSObject *wrapper, uintN argc, Value *vp) MOZ_OVERRIDE;
virtual bool construct(JSContext *cx, JSObject *wrapper, uintN argc, Value *argv, Value *rval) MOZ_OVERRIDE;
virtual bool nativeCall(JSContext *cx, JSObject *wrapper, Class *clasp, Native native, CallArgs args) MOZ_OVERRIDE;
virtual bool hasInstance(JSContext *cx, JSObject *wrapper, const Value *vp, bool *bp) MOZ_OVERRIDE;
virtual JSType typeOf(JSContext *cx, JSObject *proxy) MOZ_OVERRIDE;
virtual bool objectClassIs(JSObject *obj, ESClassValue classValue, JSContext *cx) MOZ_OVERRIDE;
virtual JSString *obj_toString(JSContext *cx, JSObject *wrapper) MOZ_OVERRIDE;
virtual JSString *fun_toString(JSContext *cx, JSObject *wrapper, uintN indent) MOZ_OVERRIDE;
virtual bool defaultValue(JSContext *cx, JSObject *wrapper, JSType hint, Value *vp) MOZ_OVERRIDE;
virtual void trace(JSTracer *trc, JSObject *wrapper) MOZ_OVERRIDE;
/* Policy enforcement traps. */
enum Action { GET, SET, CALL };
virtual bool enter(JSContext *cx, JSObject *wrapper, jsid id, Action act, bool *bp);
virtual void leave(JSContext *cx, JSObject *wrapper);
static Wrapper singleton;
static JSObject *New(JSContext *cx, JSObject *obj, JSObject *proto, JSObject *parent,
Wrapper *handler);
static JSObject *wrappedObject(const JSObject *wrapper);
static Wrapper *wrapperHandler(const JSObject *wrapper);
enum {
CROSS_COMPARTMENT = 1 << 0,
LAST_USED_FLAG = CROSS_COMPARTMENT
};
static void *getWrapperFamily();
};
/* Base class for all cross compartment wrapper handlers. */
class JS_FRIEND_API(CrossCompartmentWrapper) : public Wrapper
{
public:
CrossCompartmentWrapper(uintN flags);
virtual ~CrossCompartmentWrapper();
/* ES5 Harmony fundamental wrapper traps. */
virtual bool getPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id, bool set,
PropertyDescriptor *desc) MOZ_OVERRIDE;
virtual bool getOwnPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id, bool set,
PropertyDescriptor *desc) MOZ_OVERRIDE;
virtual bool defineProperty(JSContext *cx, JSObject *wrapper, jsid id,
PropertyDescriptor *desc) MOZ_OVERRIDE;
virtual bool getOwnPropertyNames(JSContext *cx, JSObject *wrapper, AutoIdVector &props) MOZ_OVERRIDE;
virtual bool delete_(JSContext *cx, JSObject *wrapper, jsid id, bool *bp) MOZ_OVERRIDE;
virtual bool enumerate(JSContext *cx, JSObject *wrapper, AutoIdVector &props) MOZ_OVERRIDE;
/* ES5 Harmony derived wrapper traps. */
virtual bool has(JSContext *cx, JSObject *wrapper, jsid id, bool *bp) MOZ_OVERRIDE;
virtual bool hasOwn(JSContext *cx, JSObject *wrapper, jsid id, bool *bp) MOZ_OVERRIDE;
virtual bool get(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, Value *vp) MOZ_OVERRIDE;
virtual bool set(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, bool strict,
Value *vp) MOZ_OVERRIDE;
virtual bool keys(JSContext *cx, JSObject *wrapper, AutoIdVector &props) MOZ_OVERRIDE;
virtual bool iterate(JSContext *cx, JSObject *wrapper, uintN flags, Value *vp) MOZ_OVERRIDE;
/* Spidermonkey extensions. */
virtual bool call(JSContext *cx, JSObject *wrapper, uintN argc, Value *vp) MOZ_OVERRIDE;
virtual bool construct(JSContext *cx, JSObject *wrapper, uintN argc, Value *argv, Value *rval) MOZ_OVERRIDE;
virtual bool nativeCall(JSContext *cx, JSObject *wrapper, Class *clasp, Native native, CallArgs args) MOZ_OVERRIDE;
virtual bool hasInstance(JSContext *cx, JSObject *wrapper, const Value *vp, bool *bp) MOZ_OVERRIDE;
virtual JSString *obj_toString(JSContext *cx, JSObject *wrapper) MOZ_OVERRIDE;
virtual JSString *fun_toString(JSContext *cx, JSObject *wrapper, uintN indent) MOZ_OVERRIDE;
virtual bool defaultValue(JSContext *cx, JSObject *wrapper, JSType hint, Value *vp) MOZ_OVERRIDE;
virtual void trace(JSTracer *trc, JSObject *wrapper) MOZ_OVERRIDE;
static CrossCompartmentWrapper singleton;
};
/*
* Base class for security wrappers. A security wrapper is potentially hiding
* all or part of some wrapped object thus SecurityWrapper defaults to denying
* access to the wrappee. This is the opposite of Wrapper which tries to be
* completely transparent.
*
* NB: Currently, only a few ProxyHandler operations are overridden to deny
* access, relying on derived SecurityWrapper to block access when necessary.
*/
template <class Base>
class JS_FRIEND_API(SecurityWrapper) : public Base
{
public:
SecurityWrapper(uintN flags);
virtual bool nativeCall(JSContext *cx, JSObject *wrapper, Class *clasp, Native native, CallArgs args) MOZ_OVERRIDE;
virtual bool objectClassIs(JSObject *obj, ESClassValue classValue, JSContext *cx) MOZ_OVERRIDE;
};
typedef SecurityWrapper<Wrapper> SameCompartmentSecurityWrapper;
typedef SecurityWrapper<CrossCompartmentWrapper> CrossCompartmentSecurityWrapper;
/*
* A hacky class that lets a friend force a fake frame. We must already be
* in the compartment of |target| when we enter the forced frame.
*/
class JS_FRIEND_API(ForceFrame)
{
public:
JSContext * const context;
JSObject * const target;
private:
DummyFrameGuard *frame;
public:
ForceFrame(JSContext *cx, JSObject *target);
~ForceFrame();
bool enter();
};
extern JSObject *
TransparentObjectWrapper(JSContext *cx, JSObject *obj, JSObject *wrappedProto, JSObject *parent,
uintN flags);
JS_FRIEND_API(bool) IsWrapper(const JSObject *obj);
JS_FRIEND_API(JSObject *) UnwrapObject(JSObject *obj, uintN *flagsp = NULL);
bool IsCrossCompartmentWrapper(const JSObject *obj);
} /* namespace js */
#endif
|