Index: sandbox/linux/seccomp-bpf/bpf_tester_compatibility_delegate.h |
diff --git a/sandbox/linux/seccomp-bpf/bpf_tester_compatibility_delegate.h b/sandbox/linux/seccomp-bpf/bpf_tester_compatibility_delegate.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..edaa4bfa80fec30e67227165fba242494baab4e1 |
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+++ b/sandbox/linux/seccomp-bpf/bpf_tester_compatibility_delegate.h |
@@ -0,0 +1,55 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef SANDBOX_LINUX_SECCOMP_BPF_BPF_TESTER_COMPATIBILITY_DELEGATE_H_ |
+#define SANDBOX_LINUX_SECCOMP_BPF_BPF_TESTER_COMPATIBILITY_DELEGATE_H_ |
+ |
+#include "base/memory/scoped_ptr.h" |
+#include "sandbox/linux/seccomp-bpf/sandbox_bpf_test_runner.h" |
+ |
+namespace sandbox { |
+ |
+// This templated class allows building a BPFTesterDelegate from a |
+// deprecated-style BPF policy (that is a SyscallEvaluator function pointer, |
+// instead of a SandboxBPFPolicy class), specified in |policy_function| and a |
+// function pointer to a test in |test_function|. |
+// This allows both the policy and the test function to take a pointer to an |
+// object of type "Aux" as a parameter. This is used to implement the BPF_TEST |
+// macro and should generally not be used directly. |
+template <class Policy, class Aux> |
+class BPFTesterCompatibilityDelegate : public BPFTesterDelegate { |
+ public: |
+ typedef void (*TestFunction)(Aux*); |
+ |
+ explicit BPFTesterCompatibilityDelegate(TestFunction test_function) |
+ : aux_(), test_function_(test_function) {} |
+ |
+ virtual ~BPFTesterCompatibilityDelegate() {} |
+ |
+ virtual scoped_ptr<bpf_dsl::SandboxBPFDSLPolicy> GetSandboxBPFPolicy() |
+ override { |
+ // The current method is guaranteed to only run in the child process |
+ // running the test. In this process, the current object is guaranteed |
+ // to live forever. So it's ok to pass aux_pointer_for_policy_ to |
+ // the policy, which could in turn pass it to the kernel via Trap(). |
+ return scoped_ptr<bpf_dsl::SandboxBPFDSLPolicy>(new Policy(&aux_)); |
+ } |
+ |
+ virtual void RunTestFunction() override { |
+ // Run the actual test. |
+ // The current object is guaranteed to live forever in the child process |
+ // where this will run. |
+ test_function_(&aux_); |
+ } |
+ |
+ private: |
+ Aux aux_; |
+ TestFunction test_function_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(BPFTesterCompatibilityDelegate); |
+}; |
+ |
+} // namespace sandbox |
+ |
+#endif // SANDBOX_LINUX_SECCOMP_BPF_BPF_TESTER_COMPATIBILITY_DELEGATE_H_ |