[Winpcap-users] Active ethernet devices +PCAP_OPENFLAG_PROMISCUOUSon 802.11

[Fish]

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Gianluca Varenni wrote:

> Currently there is no way to know if the an adapter is connected
> or not (i.e. cable connected and link-up in the case of ethernet,
> associated to an  AP in case of wireless) from WinPcap. [...]

Not ENTIRELY true. You can do a IOCTL_NDIS_QUERY_GLOBAL_STATS
DeviceIoControl to the WinPCap device for the
OID_GEN_MEDIA_CONNECT_STATUS object to determine whether a cable is
plugged in or not. If it says there is, then one can logically
presume the adapter is up and running. (otherwise how did the query
succeed?!)

I have a WinPcap product that does exactly that (the above) and I can
state for a fact that it works just fine.

Don't know whether wireless adapters would be any different with
respect to the above, but I'm doubting it.

HTH

- -- 
"Fish" (David B. Trout) - fish(at)infidels.org
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