text: /*
   *
   *   ______________.___. __________________     _____  .____    .____
   *  /   _____/\__  |   |/   _____/\_   ___ \   /  _  \ |    |   |    |
   *  \_____  \  /   |   |\_____  \ /    \  \/  /  /_\  \|    |   |    |
   *  /        \ \____   |/        \\     \____/    |    \    |___|    |___
   * /_______  / / ______/_______  / \______  /\____|__  /_______ \_______ \
   * \/  \/              \/         \/         \/        \/       \/
   *   ___ ___ ________   ________   ____  __._____________________
   *  /   |   \\_____  \  \_____  \ |    |/ _|\_   _____/\______   \
   * /    ~    \/   |   \  /   |   \|      <   |    __)_  |       _/
   * \    Y    /    |    \/    |    \    |  \  |        \ |    |   \
   *  \___|_  /\_______  /\_______  /____|__ \/_______  / |____|_  /
   *
   * syscall hooker
   *
   *
   * (c) Will Yee, 2015 - will.yee@live.com
   *
   * Kernel.h
   *
   * 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.
   * 3. The name of the author may not be used to endorse or promote products
   * derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND 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 THE AUTHOR OR 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 KERNEL_H
  #define KERNEL_H
  
  #include "KernelInfo.h"
  #include "KernelInterface.h"
  
  #include <string>
  
  
  static const uint64_t INITIAL_STEP_VALUE = 500;
  
  class Kernel
  {
  public:
      
      Kernel();
      ~Kernel();
      
  
      bool     InjectKext(std::string fileName);
      
      int              GetMajorVersion()    { return kernelMajor; }
      bool             IsReady()            { return isInGoodState; }
      tAddress         GetKernelBase()      { return kernelBase; }
      KernelInterface& GetKernelInterface() { return kernInterface; }
      uint64_t         GetKaslrSlide()      { return kaslrSlide; }
      
  private:
      
      mach_port_t GetKernelPort();
      bool        GetKernelHeader();
      tAddress    GetKernelBaseFromKernel();
      
      mach_port_t     kernelPort;
      uint64_t        kernelBitness;
      KernelInterface kernInterface;
      uint64_t        kernelBase;
      int             kernelMajor;
      uint64_t        kaslrSlide;
      bool            isInGoodState;
      
  };
  
  #endif