1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef SANDBOX_LINUX_SECCOMP_BPF_SANDBOX_BPF_COMPATIBILITY_POLICY_H_
6 #define SANDBOX_LINUX_SECCOMP_BPF_SANDBOX_BPF_COMPATIBILITY_POLICY_H_
8 #include "base/basictypes.h"
9 #include "base/logging.h"
10 #include "base/macros.h"
11 #include "sandbox/linux/seccomp-bpf/sandbox_bpf.h"
12 #include "sandbox/linux/seccomp-bpf/sandbox_bpf_policy.h"
16 // This class allows compatibility with the old, deprecated
17 // policies that were designed for SetSandboxPolicyDeprecated().
18 template <class AuxType>
19 class CompatibilityPolicy : public SandboxBPFPolicy {
21 typedef ErrorCode (*SyscallEvaluator)(SandboxBPF* sandbox_compiler,
22 int system_call_number,
24 CompatibilityPolicy(SyscallEvaluator syscall_evaluator, AuxType* aux)
25 : syscall_evaluator_(syscall_evaluator), aux_(aux) {}
27 virtual ~CompatibilityPolicy() {}
29 virtual ErrorCode EvaluateSyscall(SandboxBPF* sandbox_compiler,
30 int system_call_number) const OVERRIDE {
31 return syscall_evaluator_(sandbox_compiler, system_call_number, aux_);
35 SyscallEvaluator syscall_evaluator_;
37 DISALLOW_COPY_AND_ASSIGN(CompatibilityPolicy);
40 } // namespace sandbox
42 #endif // SANDBOX_LINUX_SECCOMP_BPF_SANDBOX_BPF_COMPATIBILITY_POLICY_H_