[libvirt] [RFC] Image Fleecing for Libvirt (BZ 955734, 905125)

[Wenchao Xia]

于 2013-7-24 17:44, Paolo Bonzini 写道:
> Il 24/07/2013 07:38, Wenchao Xia ha scritto:
>>>>
>>>> Because libvirt would use a local (Unix) socket to communicate with QEMU
>>>> and pass the file descriptor, there is no need to authenticate the NBD
>>>> connection.  There is no need for ticketing, though if necessary we can
>>>> make QEMU only accept connections from libvirtd's pid.  libvirt and VDSM
>>>> already do authentication and/or encryption.
>>
>>    How do I get the info about IP/port needed to access that snapshot?
>> call virSnapshotGetInfo(or similar API) later?
>
> See above.  You don't, you use the libvirt channel.
>
> Paolo
>
  So I will got a libvirt API like
virSnapshotRead(Domain *domain, SnapshotPtr *sn,
                 uint64 sector_num, uint64 sector_len,
                 char *buf)?
then libvirt automatically access the snapshot and fill
the buffer for user? A API let me access in some way
would be my concern.

-- 
Best Regards

Wenchao Xia