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Posted to bugs@httpd.apache.org by bu...@apache.org on 2008/05/03 21:06:10 UTC

DO NOT REPLY [Bug 25543] mod_usertrack does not set the cookie if the request is reverse-proxied

https://issues.apache.org/bugzilla/show_bug.cgi?id=25543


Aaron Hamid <ar...@cornell.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |arh14@cornell.edu
            Version|2.2.2                       |2.2.8




--- Comment #8 from Aaron Hamid <ar...@cornell.edu>  2008-05-03 12:06:09 PST ---
I am seeing this with our own Apache authentication module (performs
essentially like mod_cas) for requests which are proxied via mod_proxy_ajp in
httpd 2.2.8.  If our module authenticates the request, and then it is proxied
via mod_proxy_ajp, our cookie never comes back out to the client.  My
superficial skimming of the source reveals that this code in ajp_header.c,
'ajp_unmarshal_response' function, may be the problem:

rc = ajp_msg_get_uint16(msg, &num_headers);
    if (rc == APR_SUCCESS) {
        r->headers_out = apr_table_make(r->pool, num_headers);
    } else {
        r->headers_out = NULL;
        num_headers = 0;
    }

It looks like the r->headers_out table is being overwritten here, instead of
having headers merged into it, as described in previous comments.

Workaround is to use mod_proxy_http instead where this has been apparently
fixed already.


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