---- oh...@cox.net wrote:
>
> ---- oh...@cox.net wrote:
> > Hi,
> >
> > This is a followup to an earlier post/question, "How to access client
> > certificate PEM and incoming request headers in a module?".
> >
> > As before, I'm starting with mod_headers.c, and then tweaking it, partly
> > experimenting with modules, and partly for a project that I'm working on
> > (eventually).
> >
> > What I'm trying to do now is:
> >
> > - I have a test Tomcat instance that is being proxied by Apache, with a
> > small JSP that just dumps the HTTP headers
> > - The Apache has my modified mod_headers.
> >
> > I now need to add ("inject") an additional cookie to the incoming request
> > so that when the JSP dumps the headers, it'll show whatever cookies
> > originally existed, plus the one that my modified mod_headers module added.
> >
> > As before, I'm adding my code to the beginning of
> > "ap_headers_insert_output_filter()" in mod_headers.c:
> >
> > printf("\n\nIn ap_headers_insert_output_filter: About to call FIRST
> > dump_request...\n");
> > dump_request(r);
> > printf("In ap_headers_insert_output_filter: Returned from calling FIRST
> > dump_request...\n");
> >
> > printf("\n\nIn ap_headers_insert_output_filter: About to call
> > apr_table_addn() to add 'Cookie' to r->headers_in\n");
> > apr_table_addn(r->headers_in, "Cookie",
> > "MyCookie=AAAAAAAAAAAAAAAABBBBBBBBBBB");
> > printf("In ap_headers_insert_output_filter: Returned from calling
> > apr_table_addn()...\n");
> >
> > printf("\n\nIn ap_headers_insert_output_filter: About to call
> > ap_headers_fixup()...\n");
> > ap_headers_fixup(r);
> > printf("In ap_headers_insert_output_filter: Returned from calling
> > ap_headers_fixup()...\n");
> >
> > printf("\n\nIn ap_headers_insert_output_filter: About to call SECOND
> > dump_request()...\n");
> > dump_request(r);
> > printf("In ap_headers_insert_output_filter: Returned from calling
> > SECOND dump_request()...\n");
> >
> > .I'm running Apache in single process mode, so I can see the printf output,
> > and for that first call to dump_request(), I can see a "Cookie" header with
> > a JSESSION cookie, and then in the second call to dump_request, I can see a
> > "Cookie" header, but it has only my "MyCookie" cookie. In other words, it
> > looks like when the:
> >
> > apr_table_addn(r->headers_in, "Cookie",
> > "MyCookie=AAAAAAAAAAAAAAAABBBBBBBBBBB");
> >
> > was executed, it overwrote the "Cookie" header in the r->headers_in table?
> >
> > Can anyone tell me how I can *add* a cookie in my module?
> >
> > Thanks,
> > Jim
> >
> > P.S. BTW, by the time the headers are displayed by the JSP on the proxied
> > Tomcat, it shows ONLY the JSESSIONID cookie, i.e., it doesn't look like the
> > MyCookie cookie got passed to Tomcat?
>
>
> Hi,
>
> I think that I found one way to fix this. Instead of:
>
> apr_table_addn(r->headers_in, "Cookie",
> "MyCookie=AAAAAAAAAAAAAAAABBBBBBBBBBB");
>
> I did:
>
> apr_table_mergen(r->headers_in, "Cookie",
> "MyCookie=AAAAAAAAAAAAAAAABBBBBBBBBBB");
>
> and I now see the cookie that I added, both in the dump_request() output and
> in the JSP output.
>
> Jim
Hi,
I spoke too soon :(.... The apr_table_mergen puts a comma (",") in between
each cookie name/value pair, rather than a semicolon (";").
So, does anyone know how I can accomplish the merge of the cookie headers, but
with semicolons in between the name/value pairs?
Jim
