tcpdump mailing list archives
Re: "not vlan" filter expression broken catastrophically!
From: Ani Sinha <ani () aristanetworks com>
Date: Fri, 1 Feb 2013 17:16:40 -0800
In this case, I have used a tool written by Bill Fenner called BpfExpression for Arista. Not sure if the code is GNU licensed. He's in the mailing list and I will let him comment. ani On Fri, Feb 1, 2013 at 5:07 PM, Michael Richardson <mcr () sandelman ca> wrote:
"Ani" == Ani Sinha <ani () aristanetworks com> writes:Ani> hello folks : Ani> As you guys have been aware, I am hacking libpcap for a Ani> while. Me and Bill noticed something seriously broken for any Ani> filter expression that has a "not vlan" in it. For example, Ani> take a look at the filter code generated by libpcap with an Ani> expression like "not vlan and tcp port 80" : Ani> BpfExpression '(not vlan and tcp port 80)' { 0x28, 0, 0, Do we have any way to test libpcap expression outputs other than -d options to tcpdump? I'm thinking regression tests here. -- ] Never tell me the odds! | ipv6 mesh networks [ ] Michael Richardson, Sandelman Software Works | network architect [ ] mcr () sandelman ca http://www.sandelman.ca/ | ruby on rails [ _______________________________________________ tcpdump-workers mailing list tcpdump-workers () lists tcpdump org https://lists.sandelman.ca/mailman/listinfo/tcpdump-workers
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Current thread:
- Re: "not vlan" filter expression brokencatastrophically!, (continued)
- Re: "not vlan" filter expression brokencatastrophically! David Laight (Feb 04)
- Re: "not vlan" filter expression brokencatastrophically! Ani Sinha (Feb 04)
- Re: "not vlan" filter expression brokencatastrophically! Rick Jones (Feb 04)
- Re: "not vlan" filter expression broken catastrophically! Ani Sinha (Feb 01)
- Re: "not vlan" filter expression broken catastrophically! Gianluca Varenni (Feb 01)
- Re: "not vlan" filter expression broken catastrophically! Guy Harris (Feb 01)
- Re: "not vlan" filter expression broken catastrophically! Gianluca Varenni (Feb 01)
- Re: "not vlan" filter expression broken catastrophically! Bill Fenner (Feb 04)
- Re: "not vlan" filter expression broken catastrophically! Gianluca Varenni (Feb 05)
- Re: "not vlan" filter expression broken catastrophically! Ani Sinha (Feb 01)
- Re: "not vlan" filter expression broken catastrophically! Bill Fenner (Feb 04)