[libvirt] [PATCH 4/4] qemu: Reject attempts to create snapshots with names containig '/'
Jiri Denemark
jdenemar at redhat.com
Mon Jan 21 10:36:13 UTC 2013
On Thu, Jan 17, 2013 at 14:12:05 +0100, Peter Krempa wrote:
> The snapshot name is used to create path to the definition save file.
> When the name contains slashes the creation of the file fails. Reject
> such names.
> ---
> src/qemu/qemu_driver.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index b264fc8..8aae803 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -11342,6 +11342,16 @@ qemuDomainSnapshotCreateXML(virDomainPtr domain,
> parse_flags)))
> goto cleanup;
>
> + /* reject snapshot names containing slashes as snapshot definitions are
> + * saved in files containing the name */
> + if (!(flags & VIR_DOMAIN_SNAPSHOT_CREATE_NO_METADATA) &&
> + strchr(def->name, '/')) {
> + virReportError(VIR_ERR_XML_DETAIL,
> + _("invalid snapshot name '%s': name can't contain '/'"),
> + def->name);
> + goto cleanup;
> + }
> +
> /* reject the VIR_DOMAIN_SNAPSHOT_CREATE_LIVE flag where not supported */
> if (flags & VIR_DOMAIN_SNAPSHOT_CREATE_LIVE &&
> (!virDomainObjIsActive(vm) ||
ACK we want this one to make the situation in 3/4 less likely to happen.
Jirka
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