tcpdump mailing list archives
Re: pcap_inject() on loopback (FreeBSD)
From: Guy Harris <guy () alum mit edu>
Date: Mon, 16 Jun 2014 03:17:41 -0700
On Jun 16, 2014, at 2:50 AM, Guy Harris <guy () alum mit edu> wrote:
On Jun 15, 2014, at 1:56 PM, Fernando Gont <fernando () gont com ar> wrote:I will certainly file a bug report, and CC you. My understanding is that this should be filled in most (if not all) of the BSD variants? (because besides the error message one obtains, it seems that in several flavors of them, pcap_inject() fails for the same reason).NetBSD, OpenBSD, and Dragonfly BSD appear not to even have the ...
...and OpenBSD may need to do /* BPF writes need to be handled specially. */ if (dst->sa_family == pseudo_AF_HDRCMPLT) { bcopy(dst->sa_data, &af, sizeof(af)); af = ntohl(af); } else af = dst->sa_family; as its loopback device has a DLT_ of DLT_LOOP rather than DLT_NULL and, with DLT_LOOP, the 4-byte AF_ header of the packet is in *network* byte order rather than *host* byte order. _______________________________________________ tcpdump-workers mailing list tcpdump-workers () lists tcpdump org https://lists.sandelman.ca/mailman/listinfo/tcpdump-workers
Current thread:
- pcap_inject() on loopback (FreeBSD) Fernando Gont (Jun 15)
- Re: pcap_inject() on loopback (FreeBSD) Guy Harris (Jun 15)
- Re: pcap_inject() on loopback (FreeBSD) Fernando Gont (Jun 16)
- Re: pcap_inject() on loopback (FreeBSD) Guy Harris (Jun 16)
- Re: pcap_inject() on loopback (FreeBSD) Guy Harris (Jun 16)
- Re: pcap_inject() on loopback (FreeBSD) Fernando Gont (Jun 16)
- Re: pcap_inject() on loopback (FreeBSD) Guy Harris (Jun 15)