| /* |
| * Copyright (C) 2023 Apple Inc. 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. |
| * 3. Neither the name of Apple Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 APPLE OR ITS CONTRIBUTORS 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. |
| */ |
| |
| #pragma once |
| |
| #include <wtf/Forward.h> |
| #include <wtf/TriState.h> |
| |
| namespace JSC { |
| |
| class CallFrame; |
| class VM; |
| |
| enum class SourceTaintedOrigin : uint8_t { |
| Untainted = 0, |
| IndirectlyTaintedByHistory, // Means the VM saw some tainted code this event loop turn but no such code was on the stack when this source was created. |
| IndirectlyTainted, |
| KnownTainted, |
| }; |
| |
| inline TriState taintednessToTriState(SourceTaintedOrigin origin) |
| { |
| if (origin == SourceTaintedOrigin::Untainted) |
| return TriState::False; |
| if (origin == SourceTaintedOrigin::KnownTainted) |
| return TriState::True; |
| return TriState::Indeterminate; |
| } |
| |
| |
| JS_EXPORT_PRIVATE SourceTaintedOrigin sourceTaintedOriginFromStack(VM&, CallFrame*); |
| JS_EXPORT_PRIVATE SourceTaintedOrigin computeNewSourceTaintedOriginFromStack(VM&, CallFrame*); |
| |
| JS_EXPORT_PRIVATE String sourceTaintedOriginToString(SourceTaintedOrigin taintedness); |
| |
| } |
| |