Hello, change of cseq results in a different transaction, there should be two at the same time for a short interval. Try to see if debug=3 offers any hints.
For clarification: do you need to do authentication two times? Second time with pv function? Cheers, Daniel On 12.12.22 21:53, Alex Balashov wrote: > To be clear, the two t_newtran() calls in the main request_route were > naturally a typo. :-) Only the first one was intended. > >> On Dec 12, 2022, at 3:45 PM, Alex Balashov <[email protected]> wrote: >> >> Hi, >> >> Is there any good solution for the scenario of an auth_challenge() with two >> separate transaction suspensions? >> >> To clarify (simplified): >> >> request_route { >> ... >> >> t_newtran(); >> >> if(!is_present_hf("Authorization") && >> !is_present_hf("Proxy-Authorization")) { >> auth_challenge("$fd", "1"); >> exit; >> } >> >> # TM suspend/continue >> t_newtran(); >> >> async credentials query("RESUME_AUTH"); >> } >> >> route[RESUME_AUTH] { >> # Credentials received into PVs. >> >> if(!pv_auth_check("...")) { >> auth_challenge("$fd", "1"); >> exit; >> } >> >> # Create transaction shell if not exists already from auth query. >> if(!t_lookup_request()) >> t_newtran(); >> >> # TM suspend/continue >> async route query("RESUME_ROUTING"); >> } >> >> route[RESUME_ROUTING] { >> # Unmarshal etc. >> >> t_relay(); # etc. >> } >> >> What happens here is that the first auth_challenge() results in a >> retransmission of its 407 challenge without absorbing the negative ACK. This >> is despite the ostensibly stateful behaviour of auth_challenge() without >> "force_stateless_reply" enabled. >> >> In this case, it eclipses the second, unrelated 407 challenge from the >> subsequent routing query (407 challenge with +1 CSeq): >> >> >> <Screenshot 2022-12-12 at 3.44.15 PM.jpeg> >> -- Alex >> >> -- >> Alex Balashov | Principal | Evariste Systems LLC >> >> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) >> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ >> > -- > Alex Balashov | Principal | Evariste Systems LLC > > Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) > Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ > > > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions > [email protected] > Important: keep the mailing list in the recipients, do not reply only to the > sender! > Edit mailing list options or unsubscribe: > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda __________________________________________________________ Kamailio - Users Mailing List - Non Commercial Discussions [email protected] Important: keep the mailing list in the recipients, do not reply only to the sender! Edit mailing list options or unsubscribe: https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
