[PATCH] Fix new DBus API

[Sam Leffler]

On Thu, Feb 3, 2011 at 8:42 AM, Dan Williams <dcbw at redhat.com> wrote:

> On Tue, 2011-02-01 at 18:45 +0200, Jouni Malinen wrote:
> > On Wed, Jan 05, 2011 at 12:08:02PM +0200, Tomasz Bursztyka wrote:
> > > "psk" field, in set_network_properties(), was always getting quoted
> even when
> > > containing a raw key (64 characters length representing the hexadecimal
> value
> > > of the raw key).
> >
> > Dan described the design here and it sounds reasonable to allow this as
> > an alternative approach. However, there is something here that looks a
> > bit odd to me..
> >
> > > @@ -273,11 +286,12 @@ static DBusMessage *
> set_network_properties(DBusMessage *message,
> > >             } else if (entry.type == DBUS_TYPE_STRING) {
> > > -                   if (should_quote_opt(entry.key)) {
> > > -                           size = os_strlen(entry.str_value);
> > > -                           if (size <= 0)
> > > -                                   goto error;
> > > +                   size = os_strlen(entry.str_value);
> > > +                   if (size <= 0)
> > > +                           goto error;
> > >
> > > +                   if (should_quote_opt(entry.key, size,
> > > +                                        entry.str_value)) {
> >
> > Why is size == 0 an error? I'm not sure it was correct with the previous
> > quote case either, but now any use of DBUS_TYPE_STRING would trigger an
> > error if the string is empty. There are number of configuration
> > parameters for which an empty string is a valid value. Am I missing
> > something or how is this supposed to work for such cases?
>
> That wasn't something I'd recognized originally; what are those
> properties and what's the motivation for them?  Are these things where
> just the presence of the property is important, but the actual value
> isn't know at this time, or...?
>
>
This seems to have been dropped.  The raw PMK fix that triggered this
exchange never got committed and is useful so can we resolve the issue with
zero-length strings?

-Sam
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