Andres,

thank you for your notes. Unfortunately I'm my python programming is very 
basic, so I think I can't help with many pull-requests...

Am 28.04.2013 21:48, Andres Riancho wrote:
> Johannes,
>
> On Sun, Apr 28, 2013 at 8:33 AM,  <jweberho...@weberhofer.at> wrote:
>> Dear all!
>>
>> After some pause, I'm working on RPM packages of the current master
>> branch, which looks very promising. Still I have two issues:
>
> That sounds great, totally recommend building from it.
>
>> 1) On startup, I always see the warning "WARNING: Failed to execute
>> tcpdump. Check it is installed and in the PATH"; that doesn't stop the
>> execution, but it should be possibly rewritten to something like that:
>> "INFO: tcpdump is not installed or you don't have enough permission to
>> run. Try to run as root in case you need tcpdump's features".
>
> This comes from scapy, which uses some annoying logging for those errors:
>
> $ wget http://hg.secdev.org/scapy/archive/tip.zip
> $ unzip tip.zip
> $ cd scapy-d02d7e7b0989/
> $ find . -name '*.py' | xargs grep 'Failed to execute'
> ./scapy/arch/linux.py:        log_loading.warning("Failed to execute
> tcpdump. Check it is installed and in the PATH")
> ./scapy/arch/linux.py:        log_interactive.warning("Failed to
> execute tcpdump: (%s)")
>
> I think the problem can be solved by disabling the warnings before
> loading scapy in dependency_check.py and then re-enabling warnings.
> Please see http://docs.python.org/2/library/warnings.html ,
> pull-requests are welcome :)
>
>> 2) The second problem causes a regular user to not be able to run w3af
>> in case he does not own the installation directory. The only appearing
>> message is: "Error while reading plugin options: "Invalid file option
>> value "output-w3af.csv", the user doesn't have enough permissions to
>> write to the specified directory."
>>
>> Strace shows the following lines:
>>
>> -------------
>> open("/usr/share/w3af/plugins/output/itertools.pyc", O_RDONLY) = -1
>> ENOENT (No such file or directory)
>> close(3)                                = 0
>> getcwd("/usr/share/w3af", 1024)         = 16
>> stat("/usr/share/w3af", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
>> access("/usr/share/w3af", W_OK)         = -1 EACCES (Permission denied)
>> futex(0x7f11480012e0, FUTEX_WAKE_PRIVATE, 1) = 1
>> -------------
>>
>> In case the user is the owner of /usr/share/s3af, the strace continues
>> with:
>> -------------
>> open("/usr/share/w3af/plugins/bruteforce/itertools.pyc", O_RDONLY) = -1
>> ENOENT (No such file or directo
>> ry)
>> close(3)                                = 0
>> getcwd("/usr/share/w3af", 1024)         = 16
>> stat("/usr/share/w3af/core/controllers/bruteforce",
>> {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
>> access("/usr/share/w3af/core/controllers/bruteforce", R_OK) = 0
>> -------------
>>
>> I hope, that can help you improve w3af, so that it can pacakged for
>> installation on opensuse and fedora...
>
> Hmmm, that's something I wasn't expecting actually... have you checked
> in the packages repository [0] to see if some other packager solved
> this issue without modifying w3af? If nobody did this with a "cd" to
> the current directory or something similar, let me know and I'll think
> about a solution.

Thank you for showing up this repository, I will try to contribute something 
later on; packages for other distributions are available for stable releases 
only, the 2nd problem is new to the master-branch in the git repository.

  
> [0] https://github.com/andresriancho/w3af-packages

Best regards,
Johannes

-- 
Johannes Weberhofer
Weberhofer GmbH, Austria, Vienna

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