tcpdump mailing list archives
Re: IP Header Size is always 5
From: Florian Weimer <fw () deneb enyo de>
Date: Wed, 01 Apr 2009 19:21:26 +0200
* Shameem Ahamed:
ipHeader=(struct ip*)(packet+ETHER_SIZE);
You should declare ipHeader on the stack, and memcpy into it from the packet buffer. You're likely running into an alignment issue. Dealing with IP options will require some extra care. - This is the tcpdump-workers list. Visit https://cod.sandelman.ca/ to unsubscribe.
Current thread:
- IP Header Size is always 5 Shameem Ahamed (Apr 01)
- Re: IP Header Size is always 5 Sebastien Roy (Apr 01)
- Re: IP Header Size is always 5 Shameem Ahamed (Apr 01)
- Re: IP Header Size is always 5 Guy Harris (Apr 01)
- Re: IP Header Size is always 5 Shameem Ahamed (Apr 01)
- Re: IP Header Size is always 5 Shameem Ahamed (Apr 01)
- Re: IP Header Size is always 5 Sebastien Roy (Apr 01)
- Re: IP Header Size is always 5 Florian Weimer (Apr 01)