On Mon, Sep 14, 2020 at 9:45 AM Bob Beck <b...@obtuse.com> wrote:

>
> But what if I like json and I am already set up to be a hipster and
> feed all the untrusted inputs through jq..
>
> (ok beck@)
>
> On Mon, Sep 14, 2020 at 03:37:25PM +0200, Florian Obser wrote:
> > not helpful:
> > $ doas acme-client $(hostname)
> > acme-client: https://api.test4.buypass.no/acme-v02/new-acct: bad HTTP:
> 400
> >
> > vomitting unformated json is not better:
> > $ doas acme-client -v $(hostname)
> > acme-client: transfer buffer:
> [{"type":"urn:ietf:params:acme:error:malformed","detail":"Email is a
> required
> contact","code":400,"message":"MALFORMED_BAD_REQUEST","details":"HTTP 400
> Bad Request"}] (164 bytes)
> >
> > let's do this:
> > $ doas obj/acme-client -v $(hostname)
> > acme-client: Email is a required contact
> >
> > OK?
> >
> > diff --git extern.h extern.h
> > index 529d3350205..364425b0500 100644
> > --- extern.h
> > +++ extern.h
> > @@ -259,6 +259,7 @@ int                json_parse_order(struct jsmnn *,
> struct order *);
> >  int           json_parse_upd_order(struct jsmnn *, struct order *);
> >  void          json_free_capaths(struct capaths *);
> >  int           json_parse_capaths(struct jsmnn *, struct capaths *);
> > +char         *json_getstr(struct jsmnn *, const char *);
> >
> >  char         *json_fmt_newcert(const char *);
> >  char         *json_fmt_chkacc(void);
> > diff --git json.c json.c
> > index 61d2631359f..a6762eeb258 100644
> > --- json.c
> > +++ json.c
> > @@ -297,7 +297,7 @@ json_getobj(struct jsmnn *n, const char *name)
> >   * that it's the correct type.
> >   * Returns NULL on failure.
> >   */
> > -static char *
> > +char *
> >  json_getstr(struct jsmnn *n, const char *name)
> >  {
> >       size_t           i;
> > diff --git netproc.c netproc.c
> > index 7b8152196d1..05e36897c38 100644
> > --- netproc.c
> > +++ netproc.c
> > @@ -371,15 +371,27 @@ sreq(struct conn *c, const char *addr, int kid,
> const char *req, char **loc)
> >  static int
> >  donewacc(struct conn *c, const struct capaths *p)
> >  {
> > +     struct jsmnn    *j = NULL;
> >       int              rc = 0;
> > -     char            *req;
> > +     char            *req, *detail, *error = NULL;
> >       long             lc;
> >
> >       if ((req = json_fmt_newacc()) == NULL)
> >               warnx("json_fmt_newacc");
> >       else if ((lc = sreq(c, p->newaccount, 0, req, &c->kid)) < 0)
> >               warnx("%s: bad comm", p->newaccount);
> > -     else if (lc != 200 && lc != 201)
> > +     else if (lc == 400) {
> > +             if ((j = json_parse(c->buf.buf, c->buf.sz)) == NULL)
> > +                     warnx("%s: bad JSON object", p->newaccount);
> > +             else {
> > +                     detail = json_getstr(j, "detail");
> > +                     if (detail != NULL && stravis(&error, detail,
> VIS_SAFE)
> > +                         != -1) {
> > +                             warnx("%s", error);
> > +                             free(error);
> > +                     }
> > +             }
> > +     } else if (lc != 200 && lc != 201)
> >               warnx("%s: bad HTTP: %ld", p->newaccount, lc);
> >       else if (c->buf.buf == NULL || c->buf.sz == 0)
> >               warnx("%s: empty response", p->newaccount);
> >
> >
> > --
> > I'm not entirely sure you are real.
> >
>
>
please dont drop the all buffer , or keep it with -vv ?
example : warnx("%s: bad JSON object:%s", p->newaccount, c->buf.buf);

i don't want to ktrace it to see why the new certbot version is not working

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