Re: PF_PACKET
Re: PF_PACKET
- Subject: Re: PF_PACKET
- From: Enrico "lupsyn" Del Zotto <email@hidden>
- Date: Sat, 24 Jul 2004 02:09:51 +0200
I try to find something in google, but i find nothing, if you find some
about this topic mail me.
Maybe for this topic is better use libcap or libnet.
Bye
Enrico
Il giorno 24/lug/04, alle 01:45, Rich Kubota ha scritto:
Enrico,
You could use a bpf socket in order to send packets, as well as to
receive packets. However, I don't have a sample of the use of a bpf
sample for sending packets. The only sample which I have demonstrates
how to receive packets.
rich
At 11:29 AM +0200 7/23/04, Enrico lupsyn Del Zotto wrote:
I see what you are taking about, but i understand (by my search on
google) that there is a method to build and send an arp packet + eth
header with bpf is it possible ?
thx
Il giorno 22/lug/04, alle 18:24, Rich Kubota ha scritto:
At 3:17 PM +0200 7/22/04, Enrico lupsyn Del Zotto wrote:
I must send a packet ( eth header, and arp packet ) over the en0.
In linux i use the sockaddr_ll struct and a PF_Packet. Now in bsd
i don't know how do it ,
can someone help me ?
thx,bye
Enrico,
For this, you want to open a PF_NDRV socket to send out a raw
ethernet packet. Take a look at the sample code BSDLLCTest
<http://developer.apple.com/samplecode/BSDLLCTest/BSDLLCTest.html>
This sample demonstrates the technique to open a PF_NDRV socket,
which requires root access, then demonstrates both the send and
receive of packets using this socket.
Sending raw packets is straightforward, but the sample is designed
to receive LLC Ethernet frames. You'll need to tweak the sample to
receive a phase I Ethernet frame for a tcp packet, if this is within
the scope of your project.
-- Sincerely,
Rich Kubota
email@hidden
(408) 974-6212
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--
Sincerely,
Rich Kubota
email@hidden
(408) 974-6212
Enrico "lupsyn" Del Zotto
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