[libvirt] [PATCH 02/10] Add VIR_SECRET_GET_VALUE_INTERNAL_CALL.

[Daniel Veillard]

On Mon, Sep 07, 2009 at 04:12:37PM +0200, Miloslav Trmač wrote:
> Add a VIR_SECRET_GET_VALUE_INTERNAL_CALL flag value, replacing the
> originally separate libvirt_internal_call parameter.  The flag is used
> to differentiate external virSecretGetValue() calls from internal calls
> by libvirt drivers that need to use the secret even if it is private.
> 
> * src/libvirt_internal.h (VIR_SECRET_GET_VALUE_FLAGS_MASK): New
>   definition.
> * src/driver.h (VIR_SECRET_GET_VALUE_INTERNAL_CALL): New definition.
> * src/libvirt.c (virSecretGetValue): Don't allow the user to specify
>   internal flags.
> * src/remote_internal.c (remoteSecretGetValue): Don't allow send
>   internal flags over RPC.

  Sounds fine,

> +/* Make sure ... INTERNAL_CALL can not be set by the caller */
> +verify((VIR_SECRET_GET_VALUE_INTERNAL_CALL &
> +        VIR_SECRET_GET_VALUE_FLAGS_MASK) == 0);

  ??? what's that ? an assert at compile time ? I don't know that construct
I would rather avoid it if it's not portable.

>  typedef virSecretPtr
>      (*virDrvSecretLookupByUUIDString)        (virConnectPtr conn,
>                                                const char *uuid);
> diff --git a/src/libvirt.c b/src/libvirt.c
> index 45619e2..96d204c 100644
> --- a/src/libvirt.c
> +++ b/src/libvirt.c
> @@ -9066,6 +9066,8 @@ virSecretGetValue(virSecretPtr secret, size_t *value_size, unsigned int flags)
>          goto error;
>      }
>  
> +    flags &= VIR_SECRET_GET_VALUE_FLAGS_MASK;
> +
>      if (conn->secretDriver != NULL && conn->secretDriver->getValue != NULL) {
>          unsigned char *ret;
>  
> diff --git a/src/libvirt_internal.h b/src/libvirt_internal.h
> index 6976f34..60564d2 100644
> --- a/src/libvirt_internal.h
> +++ b/src/libvirt_internal.h
> @@ -27,6 +27,9 @@
>  /* bits 16 and above of virDomainXMLFlags are for internal use */
>  #define VIR_DOMAIN_XML_FLAGS_MASK 0xffff
>  
> +/* Bits 16 and above of virSecretGetValue flags are for internal use */
> +#define VIR_SECRET_GET_VALUE_FLAGS_MASK 0xffff
> +
>  #ifdef WITH_LIBVIRTD
>  int virStateInitialize(int privileged);
>  int virStateCleanup(void);
> diff --git a/src/remote_internal.c b/src/remote_internal.c
> index 3dd4609..745b128 100644
> --- a/src/remote_internal.c
> +++ b/src/remote_internal.c
> @@ -76,6 +76,7 @@
>  # define AI_ADDRCONFIG 0
>  #endif
>  
> +#include "libvirt_internal.h"
>  #include "virterror_internal.h"
>  #include "logging.h"
>  #include "datatypes.h"
> @@ -6595,7 +6596,7 @@ remoteSecretGetValue (virSecretPtr secret, size_t *value_size,
>      remoteDriverLock (priv);
>  
>      make_nonnull_secret (&args.secret, secret);
> -    args.flags = flags;
> +    args.flags = flags & VIR_SECRET_GET_VALUE_FLAGS_MASK;
>  
>      memset (&ret, 0, sizeof (ret));
>      if (call (secret->conn, priv, 0, REMOTE_PROC_SECRET_GET_VALUE,

  Except that verify() surprise, patch looks fine to me.

Daniel

-- 
Daniel Veillard      | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
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http://veillard.com/ | virtualization library  http://libvirt.org/