Wireshark with Openflow-Plugin in Fedora 14

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這篇文章主要分享如何於 Wireshark 中安裝額外的模組使得其有能力去解析 OpenFlow 的封包結構，對於研究 Openflow 的人來說這是一個很好使用的工具，能夠觀察 Switch to Controller, Controller to Switch 等各種封包.

Preface

參考這篇文章
http://networkstatic.net/installing-wireshark-on-linux-for-openflow-packet-captures/

安裝wireshark source

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- wget http://wiresharkdownloads.riverbed.com/wireshark/src/wireshark-1.8.8.tar.bz2
(http://wiresharkdownloads.riverbed.com/wireshark/src/ 自己挑選一個版本下載)
- bunzip2 wireshark-1.8.8.tar.bz2  
- tar -xvf wireshark-1.8.8.tar
- cd wireshark-1.8.8
- ./autogen.sh
- ./configure
- make
(這邊錯誤通常是少了某些套件，根據錯誤訊息再去安裝即可)
- make install
- sudo ldconfi
- ./wireshark

編譯openflow plugin

Options

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Change from:
    static void dissect_dl_type(....)  
    {    
    ....
    	const char* description = try_val_to_str(dl_type, etype_vals);
    ....
    }
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To:
static void dissect_dl_type(....)  
{    
....
	const char* description = match_strval(dl_type, etype_vals);
....
}
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- scons install
- export WIRESHARK=/path_to_wireshark_source/
- scons install
- cp openflow.so /usr/lib/wireshark/libwireshark1/plugins/openflow.so
  • Options 2
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    - git clone git://openflow.org/openflow.git
    - cd openflow
    - ./boot.sh
    - ./configure
    - make
    - sudo make install
    - cd utilities/wireshark_dissectors/openflow
    - 修改 packet-openflow.c
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Change from:
  void proto_reg_handoff_openflow()   
  {    
    openflow_handle = create_dissector_handle(dissect_openflow, proto_openflow);    
    dissector_add(TCP_PORT_FILTER, global_openflow_proto, openflow_handle); 
  }
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To:
void proto_reg_handoff_openflow()
{
  openflow_handle = create_dissector_handle(dissect_openflow, proto_openflow);
  dissector_add_uint(TCP_PORT_FILTER, global_openflow_proto, openflow_handle);
}

安裝openflow plugin

  • make ( pwd = utilities/wireshark_dissectors/openflow)
  • make install

Use

開啟wireshark即可觀看openflow protocol囉

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