/*
 * Copyright (C) 2013 Intel Corporation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef SyscallPolicy_h
#define SyscallPolicy_h

#if ENABLE(SECCOMP_FILTERS)

#include <wtf/HashMap.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>

namespace WebKit {

struct WebProcessCreationParameters;

class SyscallPolicy {
public:
    enum Permission {
        NotAllowed   = 0,
        Read         = 1,
        Write        = 1 << 1,
        ReadAndWrite = Read | Write
    };

    bool hasPermissionForPath(const char* path, Permission) const;

    void addFilePermission(const String& path, Permission);
    void addDirectoryPermission(const String& path, Permission);

    void addDefaultWebProcessPolicy(const WebProcessCreationParameters&);

    static const char* permissionToString(Permission);

private:
    typedef HashMap<String, int> PermissionMap;
    PermissionMap m_filePermission;
    PermissionMap m_directoryPermission;
};

} // namespace WebKit

#endif // ENABLE(SECCOMP_FILTERS)

#endif // SyscallPolicy_h
