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Side by Side Diff: sandbox/linux/seccomp-bpf/verifier.h

Issue 944823002: Revert of bpf_dsl: Change bpf_dsl_unittests into actual standalone unit tests (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 10 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef SANDBOX_LINUX_SECCOMP_BPF_VERIFIER_H__ 5 #ifndef SANDBOX_LINUX_SECCOMP_BPF_VERIFIER_H__
6 #define SANDBOX_LINUX_SECCOMP_BPF_VERIFIER_H__ 6 #define SANDBOX_LINUX_SECCOMP_BPF_VERIFIER_H__
7 7
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 #include <vector> 10 #include <vector>
11 11
12 #include "base/macros.h" 12 #include "base/macros.h"
13 #include "sandbox/sandbox_export.h"
14 13
15 struct sock_filter; 14 struct sock_filter;
16 15
17 namespace sandbox { 16 namespace sandbox {
18 struct arch_seccomp_data; 17 struct arch_seccomp_data;
19 namespace bpf_dsl { 18 namespace bpf_dsl {
20 class Policy; 19 class Policy;
21 class PolicyCompiler; 20 class PolicyCompiler;
22 } 21 }
23 22
24 class SANDBOX_EXPORT Verifier { 23 class Verifier {
25 public: 24 public:
26 // Evaluate the BPF program for all possible inputs and verify that it 25 // Evaluate the BPF program for all possible inputs and verify that it
27 // computes the correct result. We use the "evaluators" to determine 26 // computes the correct result. We use the "evaluators" to determine
28 // the full set of possible inputs that we have to iterate over. 27 // the full set of possible inputs that we have to iterate over.
29 // Returns success, if the BPF filter accurately reflects the rules 28 // Returns success, if the BPF filter accurately reflects the rules
30 // set by the "evaluators". 29 // set by the "evaluators".
31 // Upon success, "err" is set to NULL. Upon failure, it contains a static 30 // Upon success, "err" is set to NULL. Upon failure, it contains a static
32 // error message that does not need to be free()'d. 31 // error message that does not need to be free()'d.
33 static bool VerifyBPF(bpf_dsl::PolicyCompiler* compiler, 32 static bool VerifyBPF(bpf_dsl::PolicyCompiler* compiler,
34 const std::vector<struct sock_filter>& program, 33 const std::vector<struct sock_filter>& program,
(...skipping 12 matching lines...) Expand all
47 const struct arch_seccomp_data& data, 46 const struct arch_seccomp_data& data,
48 const char** err); 47 const char** err);
49 48
50 private: 49 private:
51 DISALLOW_IMPLICIT_CONSTRUCTORS(Verifier); 50 DISALLOW_IMPLICIT_CONSTRUCTORS(Verifier);
52 }; 51 };
53 52
54 } // namespace sandbox 53 } // namespace sandbox
55 54
56 #endif // SANDBOX_LINUX_SECCOMP_BPF_VERIFIER_H__ 55 #endif // SANDBOX_LINUX_SECCOMP_BPF_VERIFIER_H__
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