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

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.