Re: [PATCH] add bluetooth sniffing capability

[Guy Harris <guy () alum mit edu>]

Paolo Abeni wrote:

> The attached patch enables sniffing from bluetooth devices for the Linux
> platform.

Checked in.

I added pcap-bt-linux.h and pcap-usb-linux.h headers and had 
pcap-linux.c include them if PCAP_SUPPORT_{BT,USB} is defined and had 
pcap-{bt,usb}-linux.c include them unconditionally.

I also protected all calls to the USB code from pcap-linux.c with #ifdef 
PCAP_SUPPORT_USB/#endif.

> The intercepted frames are exactly the same produced by
> hcidump.

I think various BSDs have hcidump ports; if the sniffing code from those 
BSDs were incorporated into libpcap, hcidump might become more portable 
(because it wouldn't have to know how to sniff on particular platforms - 
I think libpcap was originally created by extracting the sniffing code 
from tcpdump).
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