[OpenSIPS-Users] stir shaken verification
David Villasmil
david.villasmil.work at gmail.com
Thu Jan 5 22:45:28 UTC 2023
Is $var(cert) actually set? Print it out
On Thu, 5 Jan 2023 at 23:19, Marcin Groszek <marcin at voipplus.net> wrote:
> Thank you very much. I have the same file, and verification is still
> failing. Perhaps my config:
>
>
> $var(found) = cache_fetch("local", $identity(x5u), $var(cert));
> if (!$var(found) || !stir_shaken_check_cert("$var(cert)")) {
> rest_get( "$identity(x5u)", $var(cert), $var(ctype), $var(http_rc));
> if ($rc<0 || $var(http_rc) != 200) {
> send_reply(436, "Bad Identity Info");
> exit;
> }
> cache_store("local", $identity(x5u), $var(cert), 60);
> }
>
> stir_shaken_verify( "$var(cert)", $var(err_sip_code),
> $var(err_sip_reason));
> if ($rc < 0) {
> xlog("stir_shaken_verify() failed: $var(err_sip_code),
> $var(err_sip_reason) \n");
> send_reply( $var(err_sip_code), $var(err_sip_reason));
> exit;
> }
>
>
> I figured this much:
>
> $var(cert) is a public certificate downloaded from $identity(x5u), if it
> does not exists in local cache it gets pulled and stored,
>
> stir_shaken_check_cert("$var(cert)") is generating these errors:
>
> ERROR:stir_shaken:load_cert: Failed to parse certificate
> ERROR:stir_shaken:w_stir_check_cert: Failed to load certificate ( because
> the entry does not exists in local cashdb)
>
> this forces the download of the public cert from $identity(x5u) and store
> in local cashdb
>
> second attempt does not generate this errors, however calls with deferent
> identity header and url for public cert should generate same errors again
> as the public cert from new url is not in local cashdb, but it is NOT
> generating same error.
>
> Also, I have minimize cache_store down to 1 second and after that second
> call with same $identity(x5u) should generate same errors , but it is not.
>
> an example at shaken-not-stirred page have :
>
> rest_get( "$identity(x5u)", "$var(cert)",
> $var(ctype), $var(http_rc));
>
> but this fails a start-up with error ERROR:core:fix_cmd: Param [2]
> expected to be a variable so I removed the double quotes from around
> $var(cert) .
>
>
>
> On 1/5/2023 1:18 PM, Joseph Jackson wrote:
>
> Hi Marcin,
>
> I suspect you are correct that its how you are decoding the ca cert file
> from iconectiv.
>
> attached is what we have currently and it works in our production
> enviroment.
>
> If the maillist strips out that attachment let me know. You can reach me
> directly at jjackson at aninetworks.net
>
> Joseph
>
> ------------------------------
> *From:* Users <users-bounces at lists.opensips.org>
> <users-bounces at lists.opensips.org> on behalf of Marcin Groszek
> <marcin at voipplus.net> <marcin at voipplus.net>
> *Sent:* Thursday, January 5, 2023 10:16 AM
> *To:* users at lists.opensips.org <users at lists.opensips.org>
> <users at lists.opensips.org>
> *Subject:* Re: [OpenSIPS-Users] stir shaken verification
>
>
> Joseph, Thank you very much for your respond.
>
>
> I have downloaded and apply new sti-ca file but certificate validation
> fails.
>
> INFO:stir_shaken:verify_callback: certificate validation failed:
> certificate signature failure
> INFO:stir_shaken:w_stir_verify: Invalid certificate
> DBG:core:comp_scriptvar: int 26 : -8 / 0
> [1637] stir_shaken_verify() failed: 437, Unsupported Credential
>
>
> Perhaps I am not processing the sti-ca file properly.
>
>
> I am testing this with a valid token , in fact test calls are coming from
> major cellular carrier in US and the verification fails.
>
> I can see curl download the public cert, storing it in local cache and
> then attempt to verify, but it fails.
>
> Upon next call with same token, the public cert is pulled from local cache
> and still fails.
>
>
>
>
> On 1/4/2023 7:37 PM, Joseph Jackson wrote:
>
> Hi Marcin,
>
> We have a process that downloads the CA list from iconectiv nightly,
> decodes the jwt and stores the certs in a single file in
> /etc/ssl/sti-ca/sti-ca.pem
>
> Here is the opensips modparam
>
> #stir and shaken
> loadmodule "stir_shaken.so"
> modparam("stir_shaken", "verify_date_freshness", 300)
> modparam("stir_shaken", "auth_date_freshness", 300)
> modparam("stir_shaken", "e164_strict_mode", 0)
> #list of root certs for stir / shaken verification
> modparam("stir_shaken", "ca_list", "/etc/ssl/sti-ca/sti-ca.pem")
>
> This is on opensips v3.1.11
>
>
> ------------------------------
> *From:* Users <users-bounces at lists.opensips.org>
> <users-bounces at lists.opensips.org> on behalf of Marcin Groszek
> <marcin at voipplus.net> <marcin at voipplus.net>
> *Sent:* Wednesday, January 4, 2023 6:12 PM
> *To:* users at lists.opensips.org <users at lists.opensips.org>
> <users at lists.opensips.org>
> *Subject:* [OpenSIPS-Users] stir shaken verification
>
>
> Opensips version 3.1.5
>
> I am having some issues with stir_shaken setup. I am sure this not an
> issue with the module, but me.
>
> stir_shaken_auth works just fine and I am able to sign the calls, however
> I was unable to find any document how to use a ca file available for
> download at iconectiv/download-list as well as via API. They do come in as
> jwt file, but after little manipulation individual certificates can be
> extracted, and the first one is the root certificate; I think, and the rest
> are trusted STI-CA. I guess my question is how do I use this file or any
> other cert file as "ca_list" and/or "ca_dir" .
>
> After weeks and hundreds attempts I was unsuccessful, and I was unable to
> locate any document explaining preparation/setup/steps to setup
> verification.
>
> All I get is :
>
> ERROR:stir_shaken:load_cert: Failed to parse certificate
> ERROR:stir_shaken:w_stir_verify: Failed to load certificate
> on INVITE with valid identity header.
>
> When I remove or replace "ca_list" file with something bogus opensips
> does not even start with errors:
>
> ERROR:stir_shaken:init_cert_validation: Failed to load trustefd CAs
> ERROR:core:init_mod: failed to initialize module stir_shaken
>
> I would really appreciate some guidance on this one.
>
>
>
> _______________________________________________
> Users mailing listUsers at lists.opensips.orghttp://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
> --
> Best Regards:
> Marcin Groszek
> Business Phone Servicehttps://www.voipplus.net
>
>
> _______________________________________________
> Users mailing listUsers at lists.opensips.orghttp://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
> --
> Best Regards:
> Marcin Groszek
> Business Phone Servicehttps://www.voipplus.net
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
--
Regards,
David Villasmil
email: david.villasmil.work at gmail.com
phone: +34669448337
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