Re: [PATCH v2 10/11] Add support for schema validation when passing in XML

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On Thu, Jan 08, 2015 at 15:48:21 +0000, Daniel Berrange wrote:
> The virDomainDefineXMLFlags and virDomainCreateXML APIs both
> gain new flags allowing them to be told to validate XML.
> This updates all the drivers to turn on validation in the
> XML parser when the flags are set
...
> diff --git a/src/bhyve/bhyve_driver.c b/src/bhyve/bhyve_driver.c
> index a40956f..d0a5d0b 100644
> --- a/src/bhyve/bhyve_driver.c
> +++ b/src/bhyve/bhyve_driver.c
...
> @@ -890,9 +894,13 @@ bhyveDomainCreateXML(virConnectPtr conn,
>      virObjectEventPtr event = NULL;
>      virCapsPtr caps = NULL;
>      unsigned int start_flags = 0;
> +    unsigned int parse_flags = VIR_DOMAIN_DEF_PARSE_INACTIVE;
>  
> -    virCheckFlags(VIR_DOMAIN_START_AUTODESTROY, NULL);
> +    virCheckFlags(VIR_DOMAIN_START_AUTODESTROY |
> +                  VIR_DOMAIN_START_VALIDATE, NULL);
>  
> +    if (flags & VIR_DOMAIN_START_VALIDATE

s/$/)/

> +        parse_flags |= VIR_DOMAIN_DEF_PARSE_VALIDATE;
>      if (flags & VIR_DOMAIN_START_AUTODESTROY)
>          start_flags |= VIR_BHYVE_PROCESS_START_AUTODESTROY;
>  
...
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index 4361834..6e06272 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -29,6 +29,7 @@
>  #include <sys/stat.h>
>  #include <unistd.h>
>  
> +#include "configmake.h"
>  #include "internal.h"
>  #include "virerror.h"
>  #include "datatypes.h"
> @@ -12646,6 +12647,11 @@ virDomainDefParseXML(xmlDocPtr xml,
>      bool usb_master = false;
>      bool primaryVideo = false;
>  
> +    if ((flags & VIR_DOMAIN_DEF_PARSE_VALIDATE) &&
> +        virXMLValidateAgainstSchema(PKGDATADIR "/schemas/domain.rng",
> +                                    xml) < 0)

This should be using virFileFindResource() so that it works even for
uninstalled libvirt.

> +        return NULL;
> +
>      if (VIR_ALLOC(def) < 0)
>          return NULL;
>  
...
> diff --git a/src/xen/xen_driver.c b/src/xen/xen_driver.c
> index e35986c..0fc64d9 100644
> --- a/src/xen/xen_driver.c
> +++ b/src/xen/xen_driver.c
...
> @@ -1888,12 +1892,16 @@ xenUnifiedDomainDefineXMLFlags(virConnectPtr conn, const char *xml, unsigned int
>      xenUnifiedPrivatePtr priv = conn->privateData;
>      virDomainDefPtr def = NULL;
>      virDomainPtr ret = NULL;
> +    unsigned int parse_flags = VIR_DOMAIN_DEF_PARSE_INACTIVE;
>  
> -    virCheckFlags(0, NULL);
> +    virCheckFlags(VIR_DOMAIN_DEFINE_VALIDATE, NULL);
> +
> +    if (flags & VIR_DOMAIN_DEFINE_VALIDATE)
> +        parse_flags |= VIR_DOMAIN_DEF_PARSE_INACTIVE;

s/VIR_DOMAIN_DEF_PARSE_INACTIVE/VIR_DOMAIN_DEF_PARSE_VALIDATE/

>  
>      if (!(def = virDomainDefParseString(xml, priv->caps, priv->xmlopt,
>                                          1 << VIR_DOMAIN_VIRT_XEN,
> -                                        VIR_DOMAIN_DEF_PARSE_INACTIVE)))
> +                                        parse_flags)))
>          goto cleanup;
>  
>      if (virDomainDefineXMLFlagsEnsureACL(conn, def) < 0)
...

Jirka

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