no IPv4 address assigned

[Climuff Fischer]

Hey,

I have the problem that the error occures "[!] ERROR  : Sniffer::Sniffer() -> Looking net parameters: mon0: no IPv4 address assigned".

I am trying to run the basic example for sniffing (https://code.google.com/p/libcrafter/wiki/SnifferIntroduction) and I am trying to sniff with my wlan device which I have put into monitor mode with airmon-ng. What am I doing wrong?

[Esteban Pellegrino]

What version of libcrafter are you using?

I think this issue was fixed on latest libcrafter on the git repository.

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[Climuff Fischer]

I used version 0.2 from google, now I installed the newest version from github. For installing I used 

$ git clone http://code.google.com/p/libcrafter/
$ cd libcrafter/libcrafter
$ ./autogen.sh 
$ make
$ sudo make install
$ sudo ldconfig

But I still get the same Error. Is it possible that still the "old" 0.2 version is used, even if I installed the new one?How can I check which version is used?

[Climuff Fischer]

I now also did the same with "git clone https://github.com/pellegre/libcrafter" but I still get the same error :(

[Esteban Pellegrino]

You can see from this commit : https://github.com/pellegre/libcrafter/commit/b6453825ec99dd8a0398ecd12a8602c8a0d99fff

that this issue was fixed on github repo. Maybe you are using the wrong version of the library? Are you using backtrack or some other distro? I recommend you to download again the crafter-0.2 code from google, untar it, configure it and then execute "sudo make uninstall" to erase all old files. Then clone again the git repo and install libcrafter.

Keep in mind that the message is still printed but just as a warning (the library won't throw an exception)

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[Climuff Fischer]

After trying what you wrote it now works, I only see the warning, not the error. Thanks!