Good point.After submitting this,I also realized that I forgot to
check the return value of strftime().
On 8/22/07, Chris Ross <[EMAIL PROTECTED]> wrote:
>
> If you're building a Date header anyway, why not go ahead and do
> it in the case of 100 and 101, as well? It says it's permitted,
> simply not required, so I don't see any significant value in special-
> casing those two response codes...
>
> - Chris
>
> On Aug 22, 2007, at 12:51, Ralph Moritz wrote:
> > Hi,
> >
> > according to RFC 2616:
> >
> > Origin servers MUST include a Date header field in all responses,
> > except in these cases:
> >
> > 1. If the response status code is 100 (Continue) or 101
> > (Switching
> > Protocols), the response MAY include a Date header field, at
> > the server's option.
> >
> > 2. If the response status code conveys a server error, e.g. 500
> > (Internal Server Error) or 503 (Service Unavailable), and
> > it is
> > inconvenient or impossible to generate a valid Date.
> >
> > 3. If the server does not have a clock that can provide a
> > reasonable approximation of the current time, its responses
> > MUST NOT include a Date header field. In this case, the rules
> > in section 14.18.1 MUST be followed.
> >
> > So I've modified `evhttp_make_header_response' appropriately. Patch
> > below:
> >
> > --- http.c.bak 2007-08-16 06:50:57.000000000 +0200
> > +++ http.c 2007-08-22 18:48:42.000000000 +0200
> > @@ -366,6 +366,25 @@ evhttp_make_header_response(struct evhtt
> > evhttp_add_header(req->output_headers,
> > "Content-Length", len);
> > }
> > +
> > + /*
> > + * Add required Date header to HTTP/1.1 responses.
> > + * (Except those with status 100/1)
> > + */
> > + if ((req->major == 1)
> > + && (req->minor == 1)
> > + && (req->response_code != 100)
> > + && (req->response_code != 101)) {
> > + static char date[50];
> > + static struct tm cur;
> > + time_t t = time(NULL);
> > +
> > + gmtime_r(&t, &cur);
> > + strftime(date, sizeof(date),
> > + "%a, %d %b %Y %H:%M:%S GMT", &cur);
> > + evhttp_add_header(req->output_headers,
> > + "Date", date);
> > + }
> > }
> >
> > /* if the request asked for a close, we send a close, too */
> >
> >
> > --
> > Ralph Moritz
> > Ph: +27 84 626 9070
> > GPG Public Key: http://ralphm.info/public.gpg
> > _______________________________________________
> > Libevent-users mailing list
> > Libevent-users@monkey.org
> > http://monkey.org/mailman/listinfo/libevent-users
>
>
--
Ralph Moritz
Ph: +27 84 626 9070
GPG Public Key: http://ralphm.info/public.gpg
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