gecko-dev/ipc/glue/LibrarySandboxPreload.cpp

46 строки
1.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "LibrarySandboxPreload.h"
#include "nsXPCOMPrivate.h" // for XPCOM_DLL
#include "BinaryPath.h"
#include "prlink.h"
namespace mozilla {
namespace ipc {
PathString GetSandboxedRLBoxPath() {
nsCOMPtr<nsIFile> libFile;
nsresult rv = mozilla::BinaryPath::GetFile(getter_AddRefs(libFile));
if (NS_FAILED(rv)) {
MOZ_CRASH("Library preload failure: Failed to get binary file\n");
}
rv = libFile->SetNativeLeafName(XPCOM_DLL ""_ns);
if (NS_FAILED(rv)) {
MOZ_CRASH("Library preload failure: Failed to get library file\n");
}
return libFile->NativePath();
}
PRLibrary* PreloadLibrary(const PathString& path) {
PRLibSpec libSpec;
#ifdef XP_WIN
libSpec.type = PR_LibSpec_PathnameU;
libSpec.value.pathname_u = path.get();
#else
libSpec.type = PR_LibSpec_Pathname;
libSpec.value.pathname = path.get();
#endif
PRLibrary* ret = PR_LoadLibraryWithFlags(libSpec, PR_LD_LAZY);
return ret;
}
} // namespace ipc
} // namespace mozilla