[Winpcap-users] Updating BPF compiler

Gianluca Varenni gianluca.varenni at cacetech.com
Sun Dec 11 19:02:47 GMT 2005


Hi Deston.

Did you succeed in recompiling wpcap.dll?

Have a nice day
GV

----- Original Message ----- 
From: "Deston High" <mqx at low-axs.net>
To: <winpcap-users at winpcap.org>
Sent: Sunday, December 04, 2005 4:03 PM
Subject: Re: [Winpcap-users] Updating BPF compiler


> well, just found windows flex and bison binarys
> Flex: http://www.iitkgp.ac.in/course/cs13002/softwares/gcc/flx254b.zip
> Bison: http://www.iitkgp.ac.in/course/cs13002/softwares/gcc/bsn135b.zip
> 
> and it works great :)
> 
> might be usefull for others
> 
> i hope it will compile O:-)
> 
> cheers
> 
> 
> 
> Guy Harris wrote:
> 
>> Deston High wrote:
>>
>>> according to your msg i need to generate source files using 
>>> bison/flex from:
>>> grammar.y <http://cvs.tcpdump.org/cgi-bin/cvsweb/libpcap/grammar.y>
>>> scanner.l <http://cvs.tcpdump.org/cgi-bin/cvsweb/libpcap/scanner.l>
>>
>>
>> YES.  The keywords "pppoed" and "pppoes" were added to the filtering 
>> language, so the lexical analyzer (scanner.l) had to be changed to 
>> recognize those keywords, and the grammar (grammar.y) had to be change 
>> to support them as language tokens.
>>
>> So you will need to install Cygwin:
>>
>>     http://www.cygwin.com/
>>
>> in order to get Bison and Flex.
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>> Winpcap-users at winpcap.org
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>>
>>
> 
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