[Winpcap-users] How can I get the IP address of gatewaythroughWinPcap

[Gianluca Varenni]

Uhm, out of curiosity, what's the big deal in using the IP helper API instead of these tricks of calling an external application and parse its output?

Have a nice day
GV



  ----- Original Message ----- 
  From: Tony Yang 
  To: winpcap-users at winpcap.org 
  Sent: Friday, July 20, 2007 8:41 AM
  Subject: Re: [Winpcap-users] How can I get the IP address of gatewaythroughWinPcap


  thank you 
  but i used the windows command "ipconfig /all " to obtaine the information of gateway
  then redirect the output to the file
  i get the info through reading this file
  although this is not a good way, i think that this is a available one.

   
  On 7/20/07, he tao <hetaozju at gmail.com> wrote: 
    Agreed. Also the ip of gateway can be read from registry
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{64B3C6C6-A3C4-4293-AC98-5BF7C17B467D}]\DefaultGateway 
    (DHCPDefaultGateway if dhcp enabled)
    {64B3C6C6-A3C4-4293-AC98-5BF7C17B467D} can be get by parsing the
    device name of pcap_t. I was doing like this because I don't want to
    download win platform sdk:-)

    On 7/20/07, Gianluca Varenni <gianluca.varenni at cacetech.com> wrote:
    >
    > Tony,
    >
    > there's no API in WinPcap to obtain the gateway of an interface. You 
    > probably need to use the IP helper API to obtain such information. In
    > particular, I think you need to use the Win32 function GetAdaptersInfo.
    >
    > Hope it helps
    > GV
    >
    >
    > ----- Original Message ----- 
    >
    > From: Tony Yang
    > To: winpcap-users at winpcap.org
    > Sent: Monday, July 16, 2007 11:50 PM
    > Subject: [Winpcap-users] How can I get the IP address of gateway 
    > throughWinPcap
    >
    > How can I get the IP address of gateway through WinPcap
    > thanks very much
    >
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