Cross posting this to sssd-users.

rob

Alvarez, Angelo CIV USN JOINT TYPHOON WARCEN (USA) via FreeIPA-users wrote:
> Aloha. We are trying to get OCSP verification working with RHEL 8 SSSD. 
> The OCSP responder CA is not in the trust chain of the CA that issued
> the smart card certificates.  I was able to get openssl ocsp
> verification to work using “-verify_other” and “-trust_other” options.
> 
> [root@c27nmgmtjtprlh1 PKI]# openssl ocsp -issuer DOD_ID_CA-63.pem
> -verify_other NAWEPRLHRD12.pem -trust_other -cert ~alvareza/alvarez.pem
> -url http://repeater1.xxxxx.xxxxx.xxxx.xxxx.xxxx -respout -text
> WARNING: no nonce in response
> Response verify OK
> /home/alvareza/alvarez.pem: good
>         This Update: May  9 00:00:00 2024 GMT
>         Next Update: May 15 06:16:18 2024 GMT
> 
>  
> 
> I tried to perform OCSP verification with the SSSD p11_child helper, but
> it does not work.  Does anyone know if the “Direct Trust” model for OCSP
> works with RHEL 8 SSSD?
>  [root@c27nmgmtjtprlh1 pki]# /usr/libexec/sssd/p11_child --dumpable=1
> --debug-microseconds=0 --debug-timestamps=1 --debug-fd=22
> --debug-level=9 --verification --verify
> ocsp_dgst=sha1,ocsp_default_responder=http://repeater1.xxxxx.xxxxx.xxxx.xxxx.xxxx
> --ca_db=/etc/sssd/pki/sssd_auth_ca_db.pem --certificate=$(cat
> /home/alvareza/alvarez.pem | grep -v BEGIN | grep -v END | tr -d "\n")
> set_debug_file_from_fd failed.
> (2024-05-09  8:07:24): [p11_child[2817468]] [main] (0x0400): p11_child
> started.
> (2024-05-09  8:07:24): [p11_child[2817468]] [main] (0x2000): Running in
> [verify] mode.
> (2024-05-09  8:07:24): [p11_child[2817468]] [main] (0x2000): Running
> with effective IDs: [0][0].
> (2024-05-09  8:07:24): [p11_child[2817468]] [main] (0x2000): Running
> with real IDs [0][0].
> (2024-05-09  8:07:24): [p11_child[2817468]] [parse_cert_verify_opts]
> (0x4000): Using sha1 for OCSP.
> (2024-05-09  8:07:24): [p11_child[2817468]] [parse_cert_verify_opts]
> (0x4000): Using OCSP default responder
> [http://repeater1.prlh.nadsuswe.nads.navy.mil]
> (2024-05-09  8:07:24): [p11_child[2817468]] [do_ocsp] (0x4000): Using
> OCSP URL [http://repeater1.prlh.nadsuswe.nads.navy.mil].
> (2024-05-09  8:07:24): [p11_child[2817468]] [do_ocsp] (0x0020): No nonce
> in OCSP response. This might indicate a replay attack or an OCSP
> responder which does not support nonces.  Accepting response.
> (2024-05-09  8:07:24): [p11_child[2817468]] [do_ocsp] (0x0020):
> OCSP_basic_verify() failed to verify OCSP response.
> (2024-05-09  8:07:24): [p11_child[2817468]] [do_verification] (0x0040):
> do_ocsp failed.
> (2024-05-09  8:07:24): [p11_child[2817468]] [do_work] (0x0400):
> Certificate is NOT valid.
> 22
> (2024-05-09  8:07:24): [p11_child[2817468]] [main] (0x0020): p11_child
> failed (22)
> 
>  
> 
> v/r
> 
>  
> 
> Angelo Alvarez, CISSP
> 
> N6
> 
> Joint Typhoon Warning Center
> 
> Work: 808.471.3645
> 
> Mobile: 808.389.9474
> 
> Email: [email protected] <mailto:[email protected]>
> 
> SiPR Email: [email protected]
> <mailto:[email protected]>
> 
>  
> 
> “!No contaban on mi astucia!” – El Chapulin Colorado
> 
>  
> 
>  
> 
> 
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