[libvirt] [PATCH v5 07/10] remote: implement the remote protocol for launch security

John Ferlan jferlan at redhat.com
Mon Apr 2 23:08:57 UTC 2018



On 04/02/2018 10:18 AM, Brijesh Singh wrote:
> Add remote support for launch security info.
> 
> Signed-off-by: Brijesh Singh <brijesh.singh at amd.com>
> ---
>  src/remote/remote_daemon_dispatch.c | 47 +++++++++++++++++++++++++++++++++++++
>  src/remote/remote_driver.c          | 42 ++++++++++++++++++++++++++++++++-
>  src/remote/remote_protocol.x        | 20 +++++++++++++++-
>  src/remote_protocol-structs         | 11 +++++++++
>  4 files changed, 118 insertions(+), 2 deletions(-)
> 
> diff --git a/src/remote/remote_daemon_dispatch.c b/src/remote/remote_daemon_dispatch.c
> index 121d114..0959604 100644
> --- a/src/remote/remote_daemon_dispatch.c
> +++ b/src/remote/remote_daemon_dispatch.c
> @@ -3088,6 +3088,53 @@ remoteDispatchNodeGetMemoryStats(virNetServerPtr server ATTRIBUTE_UNUSED,
>  }
>  
>  static int
> +remoteDispatchDomainGetLaunchSecurityInfo(virNetServerPtr server ATTRIBUTE_UNUSED,
> +                                          virNetServerClientPtr client ATTRIBUTE_UNUSED,
> +                                          virNetMessagePtr msg ATTRIBUTE_UNUSED,
> +                                          virNetMessageErrorPtr rerr,
> +                                          remote_domain_get_launch_security_info_args *args,
> +                                          remote_domain_get_launch_security_info_ret *ret)
> +{
> +    virDomainPtr dom = NULL;
> +    virTypedParameterPtr params = NULL;
> +    int nparams = 0;
> +    int rv = -1;
> +    struct daemonClientPrivate *priv =
> +        virNetServerClientGetPrivateData(client);
> +
> +    if (!priv->conn) {
> +        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
> +        goto cleanup;
> +    }
> +
> +    if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
> +        goto cleanup;
> +
> +    if (virDomainGetLaunchSecurityInfo(dom, &params, &nparams, args->flags) < 0)
> +        goto cleanup;
> +
> +    if (nparams > REMOTE_DOMAIN_LAUNCH_SECURITY_INFO_PARAMS_MAX) {
> +        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
> +        goto cleanup;
> +    }
> +
> +    if (virTypedParamsSerialize(params, nparams,
> +                                (virTypedParameterRemotePtr *) &ret->params.params_val,
> +                                &ret->params.params_len,
> +                                args->flags) < 0)
> +        goto cleanup;
> +
> +    rv = 0;
> +
> + cleanup:
> +    if (rv < 0)
> +        virNetMessageSaveError(rerr);
> +    virTypedParamsFree(params, nparams);
> +    virObjectUnref(dom);
> +    return rv;
> +}
> +
> +static int
>  remoteDispatchDomainGetPerfEvents(virNetServerPtr server ATTRIBUTE_UNUSED,
>                                    virNetServerClientPtr client ATTRIBUTE_UNUSED,
>                                    virNetMessagePtr msg ATTRIBUTE_UNUSED,
> diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
> index 325ef3f..b52faa1 100644
> --- a/src/remote/remote_driver.c
> +++ b/src/remote/remote_driver.c
> @@ -1948,6 +1948,45 @@ remoteDomainGetNumaParameters(virDomainPtr domain,
>  }
>  
>  static int
> +remoteDomainGetLaunchSecurityInfo(virDomainPtr domain,
> +                                  virTypedParameterPtr *params,
> +                                  int *nparams,
> +                                  unsigned int flags)
> +{
> +    int rv = -1;
> +    remote_domain_get_launch_security_info_args args;
> +    remote_domain_get_launch_security_info_ret ret;
> +    struct private_data *priv = domain->conn->privateData;
> +
> +    remoteDriverLock(priv);
> +
> +    make_nonnull_domain(&args.dom, domain);
> +    args.flags = flags;
> +
> +    memset(&ret, 0, sizeof(ret));
> +    if (call(domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_LAUNCH_SECURITY_INFO,
> +             (xdrproc_t) xdr_remote_domain_get_launch_security_info_args, (char *) &args,
> +             (xdrproc_t) xdr_remote_domain_get_launch_security_info_ret, (char *) &ret) == -1)
> +        goto done;
> +
> +    if (virTypedParamsDeserialize((virTypedParameterRemotePtr) ret.params.params_val,
> +                                  ret.params.params_len,
> +                                  REMOTE_DOMAIN_LAUNCH_SECURITY_INFO_PARAMS_MAX,
> +                                  params,
> +                                  nparams) < 0)
> +        goto cleanup;
> +
> +    rv = 0;
> +
> + cleanup:
> +    xdr_free((xdrproc_t) xdr_remote_domain_get_launch_security_info_ret,
> +             (char *) &ret);
> + done:
> +    remoteDriverUnlock(priv);
> +    return rv;
> +}
> +
> +static int
>  remoteDomainGetPerfEvents(virDomainPtr domain,
>                            virTypedParameterPtr *params,
>                            int *nparams,
> @@ -8430,7 +8469,8 @@ static virHypervisorDriver hypervisor_driver = {
>      .domainSetGuestVcpus = remoteDomainSetGuestVcpus, /* 2.0.0 */
>      .domainSetVcpu = remoteDomainSetVcpu, /* 3.1.0 */
>      .domainSetBlockThreshold = remoteDomainSetBlockThreshold, /* 3.2.0 */
> -    .domainSetLifecycleAction = remoteDomainSetLifecycleAction /* 3.9.0 */
> +    .domainSetLifecycleAction = remoteDomainSetLifecycleAction, /* 3.9.0 */
> +    .domainGetLaunchSecurityInfo = remoteDomainGetLaunchSecurityInfo /* 4.2.0 */

4.3.0 now...

John


>  };
>  
>  static virNetworkDriver network_driver = {
> diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
> index 9dbd497..4c0144c 100644
> --- a/src/remote/remote_protocol.x
> +++ b/src/remote/remote_protocol.x
> @@ -253,6 +253,9 @@ const REMOTE_DOMAIN_IP_ADDR_MAX = 2048;
>  /* Upper limit on number of guest vcpu information entries */
>  const REMOTE_DOMAIN_GUEST_VCPU_PARAMS_MAX = 64;
>  
> +/* Upper limit on number of launch security information entries */
> +const REMOTE_DOMAIN_LAUNCH_SECURITY_INFO_PARAMS_MAX = 64;
> +
>  /* UUID.  VIR_UUID_BUFLEN definition comes from libvirt.h */
>  typedef opaque remote_uuid[VIR_UUID_BUFLEN];
>  
> @@ -3448,6 +3451,15 @@ struct remote_domain_set_lifecycle_action_args {
>      unsigned int flags;
>  };
>  
> +struct remote_domain_get_launch_security_info_args {
> +    remote_nonnull_domain dom;
> +    unsigned int flags;
> +};
> +
> +struct remote_domain_get_launch_security_info_ret {
> +    remote_typed_param params<REMOTE_DOMAIN_LAUNCH_SECURITY_INFO_PARAMS_MAX>;
> +};
> +
>  /*----- Protocol. -----*/
>  
>  /* Define the program number, protocol version and procedure numbers here. */
> @@ -6135,5 +6147,11 @@ enum remote_procedure {
>       * @priority: high
>       * @acl: storage_pool:getattr
>       */
> -    REMOTE_PROC_STORAGE_POOL_LOOKUP_BY_TARGET_PATH = 391
> +    REMOTE_PROC_STORAGE_POOL_LOOKUP_BY_TARGET_PATH = 391,
> +
> +    /**
> +     * @generate: none
> +     * @acl: domain:read
> +     */
> +    REMOTE_PROC_DOMAIN_GET_LAUNCH_SECURITY_INFO = 392
>  };
> diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs
> index f45aba2..8f19d98 100644

cannot tell you how many people miss this one...

> --- a/src/remote_protocol-structs
> +++ b/src/remote_protocol-structs
> @@ -2877,6 +2877,16 @@ struct remote_domain_set_lifecycle_action_args {
>          u_int                      action;
>          u_int                      flags;
>  };
> +struct remote_domain_get_launch_security_info_args {
> +        remote_nonnull_domain      dom;
> +        u_int                      flags;
> +};
> +struct remote_domain_get_launch_security_info_ret {
> +        struct {
> +                u_int              params_len;
> +                remote_typed_param * params_val;
> +        } params;
> +};
>  enum remote_procedure {
>          REMOTE_PROC_CONNECT_OPEN = 1,
>          REMOTE_PROC_CONNECT_CLOSE = 2,
> @@ -3269,4 +3279,5 @@ enum remote_procedure {
>          REMOTE_PROC_DOMAIN_MANAGED_SAVE_DEFINE_XML = 389,
>          REMOTE_PROC_DOMAIN_SET_LIFECYCLE_ACTION = 390,
>          REMOTE_PROC_STORAGE_POOL_LOOKUP_BY_TARGET_PATH = 391,
> +        REMOTE_PROC_DOMAIN_GET_LAUNCH_SECURITY_INFO = 392,
>  };
> 




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