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Re: [Qemu-devel] [PATCH v3 4/6] chardev: add support for authorization f
From: |
Juan Quintela |
Subject: |
Re: [Qemu-devel] [PATCH v3 4/6] chardev: add support for authorization for TLS clients |
Date: |
Wed, 17 Oct 2018 14:32:17 +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>
>
> Currently any client which can complete the TLS handshake is able to use
> a chardev server. The server admin can turn on the 'verify-peer' option
> for the x509 creds to require the client to provide a x509
> certificate. This means the client will have to acquire a certificate
> from the CA before they are permitted to use the chardev server. This is
> still a fairly low bar.
>
> This adds a 'tls-authz=OBJECT-ID' option to the socket chardev backend
> which takes the ID of a previously added 'QAuthZ' object instance. This
> will be used to validate the client's x509 distinguished name. Clients
> failing the check will not be permitted to use the chardev server.
>
> For example to setup authorization that only allows connection from a
> client whose x509 certificate distinguished name contains 'CN=fred', you
> would use:
>
> $QEMU -object tls-creds-x509,id=tls0,dir=/home/berrange/qemutls,\
> endpoint=server,verify-peer=yes \
> -object authz-simple,id=authz0,identity=CN=laptop.example.com,,\
> O=Example Org,,L=London,,ST=London,,C=GB \
> -chardev socket,host=127.0.0.1,port=9000,server,\
> tls-creds=tls0,tls-authz=authz0 \
> ...other qemu args...
>
> Signed-off-by: Daniel P. Berrange <address@hidden>
Reviewed-by: Juan Quintela <address@hidden>
- [Qemu-devel] [PATCH v3 0/6] Add authorization support to all network services, Daniel P . Berrangé, 2018/10/09
- [Qemu-devel] [PATCH v3 1/6] qemu-nbd: add support for authorization of TLS clients, Daniel P . Berrangé, 2018/10/09
- [Qemu-devel] [PATCH v3 2/6] nbd: allow authorization with nbd-server-start QMP command, Daniel P . Berrangé, 2018/10/09
- [Qemu-devel] [PATCH v3 3/6] migration: add support for a "tls-authz" migration parameter, Daniel P . Berrangé, 2018/10/09
- [Qemu-devel] [PATCH v3 4/6] chardev: add support for authorization for TLS clients, Daniel P . Berrangé, 2018/10/09
- Re: [Qemu-devel] [PATCH v3 4/6] chardev: add support for authorization for TLS clients,
Juan Quintela <=
- [Qemu-devel] [PATCH v3 5/6] vnc: allow specifying a custom authorization object name, Daniel P . Berrangé, 2018/10/09
- [Qemu-devel] [PATCH v3 6/6] monitor: deprecate acl_show, acl_reset, acl_policy, acl_add, acl_remove, Daniel P . Berrangé, 2018/10/09