Re: [Serusers] Fw: turning 30x blind forward to INVITE

errata: t_reply() replaced with t_relay(); Best regards Marian Marian Dumitru wrote: > Hi Antanas, > > have you added a failure_route like this ? : > > failure_route[x] { > if (t_check_status("3[0-9][0-9]")) { > log(1, "3xx reply received !\n"); > get_redirects("*"); > t_relay(); > }; > } > > Best regards, > Marian > > Antanas Masevicius wrote: > >> Hello Marian, >> >> tried to use this module, but ser always forwarded 302 back to calling >> side. >> Ser himself, never generated INVITE instead of calling client. Does >> uac_redirect module should really generate INVITE by replying to 302 >> itself? >> Now, it just forwards 302 message to calling client. >> >> Antanas >> >> ----- Original Message ----- From: "Marian Dumitru" >> <marian.dumitru(a)voice-sistem.ro> >> To: "Antanas Masevicius" <admin(a)ntt.lt> >> Sent: Friday, August 12, 2005 2:29 PM >> Subject: Re: [Serusers] Fw: turning 30x blind forward to INVITE >> >> >> >>> Hi Antanas, >>> >>> you may try the uac_redirect module from the OpenSER - it will serve >>> your purpose - see >>> http://www.openser.org/docs/modules/0.10.x/uac_redirect.html >>> >>> Best regards, >>> Marian >>> >>> Antanas Masevicius wrote: >>> >>>> Hello, >>>> >>>> >>>> this topic was last discussed here: >>>> http://lists.iptel.org/pipermail/serusers/2005-May/019551.html >>>> >>>> last few days i was trying to apply juha's move() function with

>>>> no success to 0.9.3 stable branch. >>>> >>>> i added such code to my ser.cfg: >>>> >>>> onreply_route[1] { >>>> xlog("L_NOTICE", "Reply status %rs: Reason %rr\n"); >>>> if (t_check_status("30[12]")) { >>>> xlog("L_NOTICE", "We got a 30[12]!!!!!\n"); >>>> t_move(); # custom function by juha >>>> #t_reply(); >>>> }; >>>> } >>>> and modified move() code like this: >>>> >>>> inline static int move(struct sip_msg* _m, char *_foo, char *_bar) >>>> { >>>> //struct sip_msg* reply; >>>> regmatch_t pmatch[2]; >>>> struct hdr_field hf; >>>> contact_t* first; >>>> regex_t contact_re; >>>> >>>> // What is it? didn't find anywere. >>>> //reply = _m->final_reply; >>>> // MOD HERE >>>> if (!_m) { >>>> LOG(L_ERR, "move(): No reply found\n"); >>>> return -1; >>>> } >>>> >>>> >>>> LOG(L_ERR, "move(): unparsed part of reply: %s\n", >> >> >> _m->unparsed); >> >>>> // FIXME: where to put this? initialisation? >>>> // MOD HERE >>>> regcomp(&contact_re, "^Contact:(.*)$", >> >> >> REG_EXTENDED|REG_NEWLINE); >> >>>> if ( ( regexec(&contact_re, _m->unparsed, 2, &(pmatch[0]), 0)

>>>> 0) || (pmatch[1].rm_so == -1)) { >>>> LOG(L_ERR, "move(): No Contact header found\n"); >>>> return -1; >>>> } >>>> >>>> hf.type = HDR_CONTACT; >>>> hf.name.len = 0; >>>> hf.body.len = pmatch[1].rm_eo - pmatch[1].rm_so - 1; >>>> hf.body.s = &(_m->unparsed[pmatch[1].rm_so]); >>>> hf.len = hf.body.len + 2; >>>> hf.parsed = NULL; >>>> hf.next = NULL; >>>> >>>> // this prints out redirected contact >>>> LOG(L_ERR, "hf.body: '%.*s'\n", hf.body.len, hf.body.s); >>>> >>>> if (parse_contact(&hf) < 0) { >>>> LOG(L_ERR, "move(): Error while parsing Contact\n"); >>>> goto failure; >>>> } >>>> >>>> if (((contact_body_t*)hf.parsed)->star == 1) { >>>> LOG(L_ERR, "move(): Contact is *\n"); >>>> goto failure; >>>> } >>>> first = ((contact_body_t*)hf.parsed)->contacts; >>>> if (first) { >>>> // MOD HERE >>>> if (append_branch(_m, first->uri.s, first->uri.len, 0, >>>> 0, Q_UNSPECIFIED) == 1) { >>>> goto success; >>>> } else { >>>> LOG(L_ERR, "move(): Appending branch

>>>> } >>>> } else { >>>> LOG(L_ERR, "move(): No contacts in Contact header\n"); >>>> } >>>> >>>> failure: >>>> if (hf.parsed) { >>>> free_contact((contact_body_t**)(&(hf.parsed))); >>>> } >>>> return -1; >>>> >>>> success: >>>> free_contact((contact_body_t**)(&(hf.parsed))); >>>> return 1; >>>> } >>>> >>>> it seems that t_move succeeds(), contact gets parsed and >>>> append_branch() >> >> >> >>>> gets execuded. But then, nothing happens. 302 is replied back to call >>>> originator. It is function build_res_buf_from_sip_res is called()

>>>> builds 302 message back to call originator.. >>>> It seems that after getting contact from 302 message, INVITE sould be >>>> generatated somehow. I suspect that i am passing wrong message to >>>> append_branch, but i didn't found how to access INVITE from tm module >>>> while in onreply_route[]. >>>> >>>> Can anybody with deeper ser knowledge help? >>>> >>>> >>>> Antanas >