[Winpcap-users] Re: Capture packet from one interface, send to another interface

[Gianluca Varenni]

  ----- Original Message ----- 
  From: Uli Muhammad Aulia 
  To: winpcap-users at winpcap.org 
  Sent: Monday, August 06, 2007 10:43 AM
  Subject: [Winpcap-users] Re: Capture packet from one interface,send to another interface


  Hi again,

  For the past few hours I've been searching for the answers myself. Luck, I found somethings in this mailing list archive. So, considered all of my previous question already answered. Thanx.

  Now, I got another problem. I want to capture packet from multiple interface. From the archives, I know that I have to use pcap_getevent and WaitForMultipleObject (at least that's what I know from this: http://www.winpcap.org/pipermail/winpcap-users/2005-June/000078.html)

  When I built the program, I got an error saying: error LNK2001: unresolved external symbol _pcap_getevent 

  What should I do to solve this problem?
  Is there any file to include beside pcap.h for pcap_getevent to work?

It's a linking problem, not a compile problem. Did you add wpcap.lib in the libraries for you project? What compiler are you using? Which version of WinPcap?

Have a nice day
GV

  or is there any other way beside using pcap_getevent and WaitForMultipleObject? 

  the program I wanted to build is just to capture all packet incoming from all available interfaces. 



  Regards,


  Uli




  On 8/6/07, Uli Muhammad Aulia <uli at el02itb.org> wrote: 
    Hi,

    I'm very new to winpcap. And since I'm also new to programming world, that makes me a total newbie here :D 

    There are few things I would like to ask. Here we go.
    1. How to open more than one interface at the same time? is it enough just by calling pcap_open_live as much as the number of interfaces? 
    2. How do I make sure that all the devices are open at the same time?
    3. Still in the case of multiple interfaces, how to send packet(s) to a specific interface? also, how to send packet(s) to all interfaces?

    Really need some help here.


    Regards,

    Uli






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