Re: Problem with certificate check when it does not match CN

[Brice André <brice@xxxxxxxxxxxxxxxx>]

Dear Viktor,

Once again, thanks for your help.

I quickly setup a test server with new certificate. URL is the following : https://test.online-rdv.be/demo

Soap is used for both website and self-written C++ application. You can test soap directly with the provided link : enter a username and password (whatever it is) and you will see a soap request to urls https://test.online-rdv.be/v1/soap/public/ and another one to https://test.online-rdv.be/v1/soap/user/

Both are accepted by web browsers. So, my best guess is that my server is properly configured.

On self-written client side, I use C++ code whose soap part is generated by gsoap. You will find attached the generated code, as well as the wrapper that I wrote and that uses the generated code). I also use openssl (1.0.1j 15 Oct 2014).

The bundle containing the root certificates is quite large because my application performs several SSL access, but I added the certificates that I copy-pasted here below, which, at my best knowledge,should be enough for my certificate:

If it may be useful, I can write a small test program that performs only the soap request instead of providing parts of code.

Many thanks for your help,

Brice

Comodo certification chain
==========================

-----BEGIN CERTIFICATE-----
MIIGCDCCA/CgAwIBAgIQKy5u6tl1NmwUim7bo3yMBzANBgkqhkiG9w0BAQwFADCB
hTELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
MIIFdDCCBFygAwIBAgIQJ2buVutJ846r13Ci/ITeIjANBgkqhkiG9w0BAQwFADBv
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pu/xO28QOG8=
-----END CERTIFICATE-----

2016-12-18 23:08 GMT+01:00 Viktor Dukhovni <openssl-users@xxxxxxxxxxxx>:

> On Dec 18, 2016, at 4:52 PM, Brice André <brice@xxxxxxxxxxxxxxxx> wrote:
>
> I know that the current certificate is the old one, but this
> is because my service is in production.
>
> I tested new certificate this evening to limit the number of
> impacted clients. And as it did not worked, i reinstalled
> previous certificate waiting a solution for the new one.
>
> If it may help, i can install the new cerrificate on a
> test site.

Either that, or post a problem report that contains detailed
technical information, rather than a hand-waving story.

What version of OpenSSL are you using?  What O/S platform?
What certificate stores did you configure in your OpenSSL
client.  Which pertinent certificates (post these) did you
ensure are contained in that store.

What certificate chain is returned by the server?
Post the output of:

   $ (sleep 2; exit) |
        openssl s_client -showcerts -connect <name>:<port> 2>&1 |
        openssl crl2pkcs7 -nocrl -certfile /dev/stdin |
        openssl pkcs7 -print_certs | tee chain.pem

Copy the trusted roots into a file named trusted.pem, then
make sure the server's chain validates:

   $ openssl verify -trusted trusted.pem -untrusted chain.pem chain.pem

(post the output...).  [ By the way, your problem is not a bug in DNS
subjectAltName processing in OpenSSL.  Either your server configuration
or client code is in error, if you present sufficient detail, it will
be possible to help you determine which. ]

--
        Viktor.

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