1/*
2 * Copyright (C) 2013 Intel Corporation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef OpenSyscall_h
27#define OpenSyscall_h
28
29#if ENABLE(SECCOMP_FILTERS)
30
31#include "Syscall.h"
32#include <wtf/text/CString.h>
33
34namespace IPC {
35class ArgumentDecoder;
36class ArgumentEncoder;
37}
38
39namespace WebKit {
40
41class OpenSyscall : public Syscall {
42public:
43    static std::unique_ptr<Syscall> createFromOpenatContext(mcontext_t*);
44    static std::unique_ptr<Syscall> createFromCreatContext(mcontext_t*);
45
46    explicit OpenSyscall(mcontext_t*);
47
48    void setPath(const CString& path) { m_path = path; };
49    void setFlags(const int flags) { m_flags = flags; };
50    void setMode(const mode_t mode) { m_mode = mode; };
51
52    // Syscall implementation.
53    virtual void setResult(const SyscallResult*);
54    virtual std::unique_ptr<SyscallResult> execute(const SyscallPolicy&);
55    virtual void encode(IPC::ArgumentEncoder&) const;
56    virtual bool decode(IPC::ArgumentDecoder*);
57
58private:
59    CString m_path;
60    int m_flags;
61    mode_t m_mode;
62};
63
64class OpenSyscallResult : public SyscallResult {
65public:
66    OpenSyscallResult(int fd, int errorNumber);
67    ~OpenSyscallResult();
68
69    int fd() const { return m_fd; }
70    int errorNumber() const { return m_errorNumber; }
71
72    // SyscallResult implementation.
73    virtual void encode(IPC::ArgumentEncoder&) const;
74    virtual bool decode(IPC::ArgumentDecoder*, int fd);
75
76private:
77    int m_fd;
78    int m_errorNumber;
79};
80
81
82} // namespace WebKit
83
84#endif // ENABLE(SECCOMP_FILTERS)
85
86#endif // OpenSyscall_h
87