On Tue, Jan 15, 2019 at 06:00:09PM +0400, Marc-André Lureau wrote:
> Hi
>
> On Tue, Jan 15, 2019 at 4:53 PM Christophe Fergeau <cfergeau@xxxxxxxxxx> wrote:
> >
> > Hey,
> >
> > On Fri, Jan 11, 2019 at 11:07:14PM +0400, marcandre.lureau@xxxxxxxxxx wrote:
> > > @@ -0,0 +1,131 @@
> > > +The "spice" URI scheme
> > > +======================
> > > +
> > > +This document is inspired by 'The "vnc" URI Scheme' (rfc7869) and
> > > +attempts to document a standard Spice URI scheme.
> > > +
> > > +The normative syntax of the Spice URI is defined in the <spice-uri>
> > > +rule in the following syntax specification. This specification
> > > +uses the Augmented Backus-Naur Form (ABNF) as described in
> > > +[RFC5234]. The Spice URI conforms to the generic URI syntax
> > > +specified in [RFC3986]. The <userinfo>, <host>, <port>,
> > > +<unreserved>, and <pct-encoded> rules are defined in [RFC3986].
> > > +
> > > + spice-uri = spice-scheme "://" [ userinfo "@" ] [ host [ ":" port ] ]
> > > + [ "?" [ spice-params ] ]
> > > +
> > > + spice-scheme = "spice" / "spice+unix" / "spice+tls"
> > > +
> > > + spice-params = param "=" value *("&" param "=" value) ["&"]
> > > +
> > > + param = 1*( param-char )
> > > +
> > > + value = *( param-char )
> > > +
> > > + param-char = unreserved / pct-encoded / unreserved-symbols
> > > +
> > > + unreserved-symbols = ":" / "/" / "@" / "!" / "$" / "'"
> > > + / "(" / ")" / "*" / "," / ";"
> > > +
> > > +The "?", "=", and "&" characters are used to delimit Spice parameters
> > > +and must be percent-encoded when representing a data octet as
> > > +specified in [RFC3986]. Within the <spice-params> portion of a Spice
> > > +URI, the <unreserved-symbols> do not have special meaning and need not
> > > +be percent-encoded when representing a data octet.
> > > +
> > > +A Spice URI has the general form:
> > > +
> > > + spice-scheme://host:port?param1=value1¶m2=value2...
> >
> > I'd mention 'userinfo' in that URI.
>
> The point of this is to show a general form, not a form that has all
> the details.
>
> Given that it is discouraged to use userinfo (unless it is done
> carefully), I don't think we need to mention it here.
>
> However, there could be more details about it, a line such as:
>
> userinfo = <as specified in [RFC3986]>
Ok.
>
>
> >
> > > +The <host> value in the "spice+unix://" URI specify the UNIX domain
> > > +socket path of the Spice server on the local host:
> > > +
> > > +[options="header"]
> > > +|=======================================================================
> > > +| Name | Type | Description | Default
> > > +| host | string | UNIX domain socket path | none
> > > +|=======================================================================
> >
> > RFC3986 has a definition for a 'path-absolute', but this is something which is
> > concatenated to the 'host'. A 'host' for RFC3986 cannot contain a '/':
> >
> > host = IP-literal / IPv4address / reg-name
> > with
> > reg-name = *( unreserved / pct-encoded / sub-delims )
> > unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
> > sub-delims = "!" / "$" / "&" / "'" / "(" / ")"
> > / "*" / "+" / "," / ";" / "="
> >
> > I guess you could rework the current definition with something like:
> >
> > URI = URI-unix / URI-net
> > URI-net = spice-scheme-net://host:port?param1=value1¶m2=value2...
> > URI-unix = spice+unix://path-absolute
> >
> > Or decide that for now, the current definition is good enough ;)
>
> I agree it could be improved, but for a v1, I would rather have
> external contributions for this kind of refinements :)
Ok.
Christophe
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