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Re: [Qemu-block] [PATCH v3 3/6] migration: add support for a "tls-authz"


From: Juan Quintela
Subject: Re: [Qemu-block] [PATCH v3 3/6] migration: add support for a "tls-authz" migration parameter
Date: Wed, 17 Oct 2018 14:30:24 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)

Daniel P. Berrangé <address@hidden> wrote:
> From: "Daniel P. Berrange" <address@hidden>
>
> The QEMU instance that runs as the server for the migration data
> transport (ie the target QEMU) needs to be able to configure access
> control so it can prevent unauthorized clients initiating an incoming
> migration. This adds a new 'tls-authz' migration parameter that is used
> to provide the QOM ID of a QAuthZ subclass instance that provides the
> access control check. This is checked against the x509 certificate
> obtained during the TLS handshake.
>
> For example, when starting a QEMU for incoming migration, it is
> possible to give an example identity of the source QEMU that is
> intended to be connecting later:
>
>   $QEMU \
>      -monitor stdio \
>      -incoming defer \
>      ...other args...
>
>   (qemu) object_add tls-creds-x509,id=tls0,dir=/home/berrange/qemutls,\
>              endpoint=server,verify-peer=yes \
>   (qemu) object_add authz-simple,id=auth0,identity=CN=laptop.example.com,,\
>              O=Example Org,,L=London,,ST=London,,C=GB \
>   (qemu) migrate_incoming tcp:localhost:9000
>
> Signed-off-by: Daniel P. Berrange <address@hidden>

Reviewed-by: Juan Quintela <address@hidden>



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