/* -*- 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/. */
// Information on what parts of sandboxing are enabled in this build // and/or supported by the system.
namespace mozilla {
class SandboxInfo { public: // No need to prevent copying; this is essentially just a const int.
SandboxInfo(const SandboxInfo& aOther) = default;
// Flags are checked at initializer time; this returns them. staticconst SandboxInfo& Get() { return sSingleton; }
enum Flags { // System call filtering; kernel config option CONFIG_SECCOMP_FILTER.
kHasSeccompBPF = 1 << 0, // Whether to use a sandbox for content processes; env var // MOZ_DISABLE_CONTENT_SANDBOX
kEnabledForContent = 1 << 1, // Whether to use a sandbox for GMP processes; env var // MOZ_DISABLE_GMP_SANDBOX.
kEnabledForMedia = 1 << 2, // Env var MOZ_SANDBOX_LOGGING.
kVerbose = 1 << 3, // Kernel can atomically set system call filtering on entire thread group.
kHasSeccompTSync = 1 << 4, // Can this process create user namespaces? (Man page user_namespaces(7).)
kHasUserNamespaces = 1 << 5, // Could a more privileged process have user namespaces, even if we can't?
kHasPrivilegedUserNamespaces = 1 << 6, // Env var MOZ_PERMISSIVE_CONTENT_SANDBOX
kPermissive = 1 << 7, // (1 << 8) was kUnexpectedThreads // MOZ_SANDBOX_LOGGING_FOR_TESTS
kVerboseTests = 1 << 9,
};
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