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7debb35262
We still rely on dynamic loading to find the symbols, but since we get them from libxul, we don't need to load the library before activating the process sandbox anymore. Differential Revision: https://phabricator.services.mozilla.com/D128333
46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#include "LibrarySandboxPreload.h"
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#include "nsXPCOMPrivate.h" // for XPCOM_DLL
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#include "BinaryPath.h"
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#include "prlink.h"
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namespace mozilla {
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namespace ipc {
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PathString GetSandboxedRLBoxPath() {
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nsCOMPtr<nsIFile> libFile;
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nsresult rv = mozilla::BinaryPath::GetFile(getter_AddRefs(libFile));
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if (NS_FAILED(rv)) {
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MOZ_CRASH("Library preload failure: Failed to get binary file\n");
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}
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rv = libFile->SetNativeLeafName(XPCOM_DLL ""_ns);
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if (NS_FAILED(rv)) {
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MOZ_CRASH("Library preload failure: Failed to get library file\n");
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}
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return libFile->NativePath();
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}
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PRLibrary* PreloadLibrary(const PathString& path) {
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PRLibSpec libSpec;
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#ifdef XP_WIN
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libSpec.type = PR_LibSpec_PathnameU;
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libSpec.value.pathname_u = path.get();
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#else
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libSpec.type = PR_LibSpec_Pathname;
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libSpec.value.pathname = path.get();
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#endif
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PRLibrary* ret = PR_LoadLibraryWithFlags(libSpec, PR_LD_LAZY);
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return ret;
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}
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} // namespace ipc
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} // namespace mozilla
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