mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
e52329c788
The bulk of this commit was generated by running:
run-clang-tidy.py \
-checks='-*,llvm-namespace-comment' \
-header-filter=^/.../mozilla-central/.* \
-fix
103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* JSPrincipals and related interfaces. */
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#ifndef js_Principals_h
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#define js_Principals_h
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#include "mozilla/Atomics.h"
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#include <stdint.h>
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#include "jspubtd.h"
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namespace js {
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struct PerformanceGroup;
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} // namespace js
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struct JSPrincipals {
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/* Don't call "destroy"; use reference counting macros below. */
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mozilla::Atomic<int32_t> refcount;
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#ifdef JS_DEBUG
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/* A helper to facilitate principals debugging. */
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uint32_t debugToken;
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#endif
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JSPrincipals() : refcount(0) {}
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void setDebugToken(uint32_t token) {
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# ifdef JS_DEBUG
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debugToken = token;
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# endif
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}
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/*
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* This is not defined by the JS engine but should be provided by the
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* embedding.
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*/
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JS_PUBLIC_API(void) dump();
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};
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extern JS_PUBLIC_API(void)
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JS_HoldPrincipals(JSPrincipals* principals);
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extern JS_PUBLIC_API(void)
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JS_DropPrincipals(JSRuntime* rt, JSPrincipals* principals);
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// Return whether the first principal subsumes the second. The exact meaning of
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// 'subsumes' is left up to the browser. Subsumption is checked inside the JS
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// engine when determining, e.g., which stack frames to display in a backtrace.
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typedef bool
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(* JSSubsumesOp)(JSPrincipals* first, JSPrincipals* second);
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/*
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* Used to check if a CSP instance wants to disable eval() and friends.
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* See js_CheckCSPPermitsJSAction() in jsobj.
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*/
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typedef bool
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(* JSCSPEvalChecker)(JSContext* cx);
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struct JSSecurityCallbacks {
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JSCSPEvalChecker contentSecurityPolicyAllows;
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JSSubsumesOp subsumes;
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};
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extern JS_PUBLIC_API(void)
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JS_SetSecurityCallbacks(JSRuntime* rt, const JSSecurityCallbacks* callbacks);
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extern JS_PUBLIC_API(const JSSecurityCallbacks*)
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JS_GetSecurityCallbacks(JSRuntime* rt);
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/*
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* Code running with "trusted" principals will be given a deeper stack
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* allocation than ordinary scripts. This allows trusted script to run after
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* untrusted script has exhausted the stack. This function sets the
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* runtime-wide trusted principal.
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*
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* This principals is not held (via JS_HoldPrincipals/JS_DropPrincipals) since
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* there is no available JSContext. Instead, the caller must ensure that the
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* given principals stays valid for as long as 'rt' may point to it. If the
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* principals would be destroyed before 'rt', JS_SetTrustedPrincipals must be
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* called again, passing nullptr for 'prin'.
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*/
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extern JS_PUBLIC_API(void)
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JS_SetTrustedPrincipals(JSRuntime* rt, const JSPrincipals* prin);
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typedef void
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(* JSDestroyPrincipalsOp)(JSPrincipals* principals);
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/*
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* Initialize the callback that is called to destroy JSPrincipals instance
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* when its reference counter drops to zero. The initialization can be done
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* only once per JS runtime.
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*/
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extern JS_PUBLIC_API(void)
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JS_InitDestroyPrincipalsCallback(JSRuntime* rt, JSDestroyPrincipalsOp destroyPrincipals);
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#endif /* js_Principals_h */
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