[libvirt] [PATCH] qemu: Allow loading snapshot configs starting with a dot

[Eric Blake]

On 01/21/2013 12:58 PM, Daniel P. Berrange wrote:
> On Mon, Jan 21, 2013 at 08:46:55PM +0100, Peter Krempa wrote:
>> Relax the check for the period on start of a snapshot name to skip only
>> the '.' and '..' directories.
>> ---
>>  src/qemu/qemu_driver.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
>> index 3a54228..637e599 100644
>> --- a/src/qemu/qemu_driver.c
>> +++ b/src/qemu/qemu_driver.c
>> @@ -520,7 +520,7 @@ qemuDomainSnapshotLoad(void *payload,
>>      }
>>
>>      while ((entry = readdir(dir))) {
>> -        if (entry->d_name[0] == '.')
>> +        if (STREQ(entry->d_name, ".") || STREQ(entry->d_name, ".."))
>>              continue;
>>
>>          /* NB: ignoring errors, so one malformed config doesn't
> 
> I'm not entirely convinced we should allow snapshots with a leading '.'
> to be created in the first place.

I agree with Dan - I'd rather see a patch that goes the other direction
and explicitly refuse to create a snapshot with a leading dot, just as
we now explicitly refuse to create a snapshot with a slash.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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