[users@httpd] SSLRequire "SUCCESS" but actually failure (2 possible bugs)

[Jeff Blaine]

Hi folks,

I'm using Apache 2.2.3 with mod_ssl on a RHELv5.5 box.  I have
been stumped for 3 weeks now by a problem with SSLRequire
and certificates.
FWIW, I also built the latest Apache with SSL from source,
ran it on a separate port, and got equally odd results.

I have posed this same question/situation on the mod_ssl mailing
list, but did not get anywhere.

[r...@rtdev1 conf.d]# rpm -qa | grep httpd
httpd-2.2.3-43.el5_5.3
[r...@rtdev1 conf.d]# rpm -qa | grep mod_ssl
mod_ssl-2.2.3-43.el5_5.3
[r...@rtdev1 conf.d]#

Section from ssl.conf:

    ...
    SSLRequire %{SSL_CLIENT_S_DN} in { \
    "/O=our.org/OU=people/UID=jblaine/CN=Blaine Charles J.", \
    "/O=our.org/OU=people/UID=mlaveless/CN=Laveless Marc W.", \
    "/O=our.org/OU=people/UID=mbs/CN=Simpson Mary B", \
    "/O=our.org/OU=people/UID=bcietta/CN=Cietta Barbara A." \
    }
    ...

The 403 error as it manifests itself in the ssl_error.log:

    [Mon Nov 01 14:50:14 2010] [info] Access to 
/apps/rtsrv1dev/share/html/ denied for xxx.xx.160.29 (requirement 
expression not fulfilled)

    [Mon Nov 01 14:50:14 2010] [info] Failed expression: 
%{SSL_CLIENT_S_DN} in { "/O=our.org/OU=people/UID=jblaine/CN=Blaine 
Charles J.", "/O=our.org/OU=people/UID=mlaveless/CN=Laveless Mark W.", 
"/O=our.org/OU=people/UID=mbs/CN=Simpson Mary B", 
"/O=our.org/OU=people/UID=bcietta/CN=Cietta Barbara A." }

    [Mon Nov 01 14:50:14 2010] [error] [client xxx.xx.160.29] access to 
/apps/rtsrv1dev/share/html/ failed, reason: SSL requirement expression 
not fulfilled (see SSL logfile for more details)

However, note the "SUCCESS" (bogus?) via CustomLog of
%{SSL_CLIENT_VERIFY}x

    [01/Nov/2010:14:50:14 -0400] xxx.xx.160.29 on TLSv1 RC4-MD5 
/O=our.org/OU=People/UID=bcian/CN=Ciancetta Barbara J. SUCCESS

And here's another failure from Barbara, with IE8 instead of
Firefox:

    [01/Nov/2010:14:49:07 -0400] xxx.xx.160.29 on TLSv1 AES256-SHA 
/O=our.org/OU=People/UID=bcietta/CN=Cietta Barbara J. SUCCESS

Note, however, this was a session that worked (SUCCESS actually
meant success...).  IE8 on my machine:

    [01/Nov/2010:15:02:46 -0400] xxx.xx.0.150 on TLSv1 AES128-SHA 
/O=our.org/OU=people/UID=jblaine/CN=Blaine Charles J. SUCCESS

Here's what *DOES WORK* for all parties with certificates, but
is not really what we want, and as I understand the docs, the
other (full DN) should work.

    SSLRequire %{SSL_CLIENT_S_DN_CN} in { \
        "Blaine Charles J.",
        "Laveless Marc W.",
        "Simpson Mary B",
        "Cietta Barbara A." }

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