[Winpcap-users] Updating BPF compiler

Deston High mqx at low-axs.net
Sun Dec 4 20:07:32 GMT 2005

thx for the answer!

but which files i need to update exactly?

bpf_dump.c <http://cvs.tcpdump.org/cgi-bin/cvsweb/libpcap/bpf_dump.c>
bpf_image.c <http://cvs.tcpdump.org/cgi-bin/cvsweb/libpcap/bpf_image.c>
ethertype.h <http://cvs.tcpdump.org/cgi-bin/cvsweb/libpcap/ethertype.h>
gencode.c <http://cvs.tcpdump.org/cgi-bin/cvsweb/libpcap/gencode.c>
gencode.h <http://cvs.tcpdump.org/cgi-bin/cvsweb/libpcap/gencode.h>
pcap-bpf.c <http://cvs.tcpdump.org/cgi-bin/cvsweb/libpcap/pcap-bpf.c>
pcap-bpf.h <http://cvs.tcpdump.org/cgi-bin/cvsweb/libpcap/pcap-bpf.h>

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>

are that all files i need?

just keep in mind that i only need to update the "bpf compiler" for 
pppoe support.
i dont want to have a buggy output.

Gianluca Varenni wrote:

> Uhm, recompiling wpcap.dll with the updated version of the libpcap 
> source files is not so straightforward. Basically, there are two main 
> problems:
> 1. the libpcap sources need to be manually patched to include the 
> remote support (remote support is not available in the vanilla libpcap 
> sources available on www.tcpdump.org). It's possible to avoid patching 
> the files, and use a specific wpcap.dll build configuration for this, 
> the "Wpcap debug"/"Wpcap release" ones.
> 2. You need to generate the parser/scanner source files out of the 
> flex/bison .l and .y files. In order to do that, you need to have 
> cygwin installed and perform an initial compilation of wpcap.dll with 
> cygwin (or at least flex/bison, I usually recompile the whole 
> wpcap.dll under cygwin to generate those files). In particular, you 
> need to cd to winpcap/wpcap/PRJ and type "make -f GNUMakefile".
> I know, recompiling wpcap.dll is a pain in the neck...
> Have a nice day
> GV
> ----- Original Message ----- From: "Deston High" <mqx at low-axs.net>
> To: "Winpcap User" <winpcap-users at winpcap.org>
> Sent: Friday, December 02, 2005 11:05 AM
> Subject: [Winpcap-users] Updating BPF compiler
>> hi again,
>> i was trying to compile the bpf compiler to the latest version to get 
>> pppoe support.
>> somehow i dont have that support now. maybe i have not updated the 
>> correct files or forgot some.
>> if someone would so kind to list them here.
>> i have copied the wpcap.lib to my include dir also copied wpcap.dll 
>> to system32 (that is not the fault, i can read!  :-P  :-) ).
>> d. high
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