sr-users September 2007

sr-users@lists.kamailio.org

158 participants
248 discussions

[OpenSER-Users] How do I obtain or log the return code in a failure_route[]?
by Juan Carlos Castro y Castro 10 Sep '07

10 Sep '07

I know I can test the SIP return code with an "if", but how do I log it, or, alternatively, pass it to a exec_dset() script? I tried something like log(1, "Failure Route, status is $status\n"); And I get a "bad logargument" when I start openser. Clues? Juan

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[OpenSER-Users] Openser Signaling and Routing
by Kaeman Chris 08 Sep '07

08 Sep '07

Hello, Is this possible? Call comes to openser for handling signaling, and is handed over to B2BUA for topology hiding and media handling. But the routing(selection of gw to terminate to the supplier) is used from openser LCR. Or after the call is given to B2BUA the routing is to be performed by the B2BUA. Thanks!! Regards, KChris --------------------------------- 5, 50, 500, 5000 - Store N number of mails in your inbox. Click here.

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[OpenSER-Users] Empty $du
by Andreas Sikkema 07 Sep '07

07 Sep '07

Hi, I'm trying to save the destination IP address of an INVITE message received and processed by OpenSER in the acc table. I've added an extra column and told the acc module about the new column. When I looked at the contents of the new column it was empty and adding an xlog() call to the config file also showed an empty $du pseudo variable. I know the OpenSER version I'm using is not the very latest, but it should be new enough to properly fill $du. I'm calling acc for received INVITE and BYE messages and showing $du with xlog() in the last line of INVITE processing for my testcase when the destination should be available. What am I doing wrong? -- Andreas Sikkema

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[OpenSER-Users] modparam("usrloc", "nat_bflag", 6) and setflag(6) doesn't update flags column
by Halomoan Chow 07 Sep '07

07 Sep '07

Dear all I followed tutorial from SER-Getting Start document for Mediaproxy to solve nat problem. I read on the Openser document http://www.openser.org/docs/modules/1.2.x/usrloc.html#AEN83 I have to use modparam("usrloc", "nat_bflag", 6) instead of modparam("registrar", "nat_flag", 6) And from the documentation, it said "When SIP clients attempt to REGISTER with our SIP proxy we need a way to tell the registrar module to store NAT information for any particular UA. We do this by using flag 6, which has been arbitrarily chosen (but defined earlier in the loadmodule parameter section). We could have specified another integer here, but flag 6 seems to be the accepted standard for nat_flag. If the nat_flag is set before calling the save() function to store contact information, SER will preserve the NAT contact information as well as set the flags column in the MySQL location table. By doing so, we can call lookup(location) when processing messages and flag 6 will be set for NATed clients." I have a NAT UA is detected as NAT-ed UA by Openser with below rule and do setflag(6); before it does save("location"); Why in mysql, location table, i see the flags column still 0 instead of 6 ? Did I miss something? Please help :( # $Id: nat-mediaproxy.cfg 51 2006-01-31 13:28:04Z /CN=Paul Hazlett/emailAddress= paul(a)onsip.org $ debug=3 fork=no log_stderror=yes #alias="halodns.powere2e.com" listen=x.x.x.x # INSERT YOUR IP ADDRESS HERE port=5060 children=4 dns=no rev_dns=no loadmodule "/usr/local/lib/openser/modules/mysql.so" loadmodule "/usr/local/lib/openser/modules/sl.so" loadmodule "/usr/local/lib/openser/modules/tm.so" loadmodule "/usr/local/lib/openser/modules/rr.so" loadmodule "/usr/local/lib/openser/modules/maxfwd.so" loadmodule "/usr/local/lib/openser/modules/usrloc.so" loadmodule "/usr/local/lib/openser/modules/registrar.so" loadmodule "/usr/local/lib/openser/modules/auth.so" loadmodule "/usr/local/lib/openser/modules/auth_db.so" loadmodule "/usr/local/lib/openser/modules/uri.so" loadmodule "/usr/local/lib/openser/modules/uri_db.so" loadmodule "/usr/local/lib/openser/modules/domain.so" loadmodule "/usr/local/lib/openser/modules/mediaproxy.so" loadmodule "/usr/local/lib/openser/modules/nathelper.so" loadmodule "/usr/local/lib/openser/modules/textops.so" loadmodule "/usr/local/lib/openser/modules/xlog.so" loadmodule "/usr/local/lib/openser/modules/mi_fifo.so" modparam("mi_fifo","fifo_name","/tmp/openser_fifo") modparam("auth_db|domain|uri_db|usrloc", "db_url", " mysql://openser:openserrw@localhost/openser") modparam("auth_db", "calculate_ha1", 1) modparam("auth_db", "password_column", "password") modparam("nathelper|registrar", "received_avp", "$avp(i:42)") modparam("nathelper", "rtpproxy_disable", 1) modparam("nathelper", "natping_interval", 0) modparam("mediaproxy","natping_interval", 30) modparam("mediaproxy","mediaproxy_socket", "/var/run/mediaproxy.sock") modparam("mediaproxy","sip_asymmetrics","/usr/local/etc/openser/sip-clients") modparam("mediaproxy","rtp_asymmetrics","/usr/local/etc/openser/rtp-clients") modparam("usrloc", "db_mode", 2) modparam("usrloc", "nat_bflag", 6) <- set to 6 modparam("rr", "enable_full_lr", 1) . . . . route[2] { # ----------------------------------------------------------------- # REGISTER Message Handler # ---------------------------------------------------------------- xlog("L_NOTICE","$Cxg Enter Route[2]: REGISTER $Cxx\n"); sl_send_reply("100", "Trying"); if (!search("^Contact:[ ]*\*") && client_nat_test("2")) { setflag(6); fix_nated_register(); force_rport(); }; if (!www_authorize("","subscriber")) { www_challenge("","0"); return; }; if (!check_to()) { sl_send_reply("401", "Unauthorized"); return; }; consume_credentials(); if (!save("location")) { sl_reply_error(); }; }

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[OpenSER-Users] uac_auth, how to sending request in failure route?
by Cseke Tamas 07 Sep '07

07 Sep '07

Hello, I 'd like to relay calls to another sip proxy, which requires authentication. But i can't forward the 407 reply to the caller, beacause they cant authenticate themselves, so i have to authenticate the call myself, without the caller knows anything about it. witch uac_auth, i can add the proxy-authorization header, but i can't send the new request to the proxy. i try this way: route[1] { t_on_failure("1"); rewritehostport("another.proxy:5060"); if (!t_relay()) { sl_reply_error(); } exit; } failure_route[1] { xlog("L_WARN", "FAILURE Route 3 AUTH required...trying..\n"); uac_auth(); if(t_newtran()) { xlog("L_WARN", "Creating new transaction successfully...\n"); } else { xlog("L_WARN", "Creating new transaction failed...\n"); }; t_relay(); } When the proxy challange authentication with 407, the call is passed to failure route properly, but t_relay failed with the following error: 0(27975) ERROR:tm:t_forward_nonack: no branch for forwarding 0(27975) ERROR:tm:w_t_relay: t_forward_nonack failed I think that's mean that the transaction doesn't exists, becacause it acknowleged alrealy, am i right? i think i have to t_newtran(), but it cannot be done in failure route, Can you suggest any method to send the request again with the credentials? Thanks any help, Tamas

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[OpenSER-Users] my small security breach REGISTER
by Marc LEURENT 07 Sep '07

07 Sep '07

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I have a security matter with my configuration (default one), it's possible to register using login/password and to set anything in the contact field. So if you have an account 106/password, it's possible to be 105 in the location database! How is it possible to deny that kind of matter..? Thanks Is it useful to use: method_filtering of the REGISTRAR module Or is it better to so something whith the values below and a compare function?? $ct - reference to body of contact header $ar - realm from Authorization or Proxy-Authorization header $au - username from Authorization or Proxy-Authorization header if ($ct != $au@$ar) { sl_send_reply("403", "User and login must be the same"); }; Best Regards, Marc LEURENT # U 82.127.0.79:1045 -> 88.191.45.91:5060 REGISTER sip:sd-7501.dedibox.fr;user=phone SIP/2.0. Via: SIP/2.0/UDP 82.127.0.79:1046;branch=z9hG4bK5808036470869310420. From: <sip:105@sd-7501.dedibox.fr:5060;user=phone>;tag=c0a80101-38c0e7. To: <sip:105@sd-7501.dedibox.fr:5060;user=phone>. Call-ID: 29eb6e9-c0a80101-5-17(a)192.168.95.70. CSeq: 90 REGISTER. Max-Forwards: 70. Expires: 3600. Contact: <sip:105@82.127.0.79:1046;user=phone>. Authorization: Digest username="106", realm="sd-7501.dedibox.fr", nonce="46dfceb402cad04812873b855bc50ea65aa99ed5", uri="sip:sd-7501.dedibox.fr", response="7dca83fd358a9aea3a963f4a71ea5c9e", algorithm=MD5, qop=auth, cnonce="38c102", nc=00000001. User-Agent: THOMSON ST2030 hw0 fw1.56 00-0E-50-4E-AF-C4. Allow-Events: refer,dialog,message-summary,check-sync,talk,hold. Content-Length: 0. . AOR:: 105 Contact:: sip:105@82.127.0.79:1046;user=phone Q= Expires:: 194 Callid:: 29eb6e9-c0a80101-5-17(a)192.168.95.70 Cseq:: 92 User-agent:: THOMSON ST2030 hw0 fw1.56 00-0E-50-4E-AF-C4 Received:: sip:82.127.0.79:1045 State:: CS_SYNC Flags:: 0 Cflag:: 192 Socket:: udp:88.191.45.91:5060 Methods:: 4294967295 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFG39AIqjpLE0HiOBYRAiUKAJ9Ilv+Zpbzw89tqWgwmHyVjU/DXugCgjEh8 5XQKEAeiF/L4RWszGC2/yzQ= =SXE9 -----END PGP SIGNATURE-----

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[OpenSER-Users] is_uri_host_local() returns 1 or 4294967295 (always TRUE !!!)
by Iñaki Baz Castillo 07 Sep '07

07 Sep '07

Hi, in order to minimize the SQL queries for functions "is_uri_host_local()" and "is_from_local()" I want to exec they just one time and store the result in a variable, but the result is unexpected: $var(is_uri_host_local) = is_uri_host_local(); xlog("------------is_uri_host_local = $var(is_uri_host_local)\n"); So if the URI is local then the result is 1. But if the URI is not local then result is 4294967295. ¿?¿?¿?¿ Obviously it makes me difficult for me to do: if ($var(is_uri_host_local)) because always is true and I need to convert the values and so. Why "is_uri_host_local()" doesn't return -1 in case of being not local domain? Or maybe the issue is when I store the result in a variable? but why? Thanks. -- Iñaki Baz Castillo ibc(a)in.ilimit.es

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[OpenSER-Users] Transaction Deletion
by Brandon Armstead 07 Sep '07

07 Sep '07

Hello Users, I have a weird scenario where the PSTN is responding with 200 OK, however Openser Never forwards on the ACK, after several retransmissions of 200OK to Openser, PSTN responds with BYE, anyone know what might be going on? I've played with the timers to no avail, any help is appreciated, thank you! The log below is as follows: 375 Sep 6 12:18:10 openser /usr/local/sbin/openser[17385]: DEBUG: timer routine:1,tl=0x2b78e4e73588 next=(nil), timeout=261 376 Sep 6 12:18:11 openser /usr/local/sbin/openser[17385]: DEBUG: timer routine:2,tl=0x2b78e4e733b8 next=(nil), timeout=262 377 Sep 6 12:18:11 openser /usr/local/sbin/openser[17385]: DEBUG: wait_handler : removing 0x2b78e4e73338 from table 378 Sep 6 12:18:11 openser /usr/local/sbin/openser[17385]: DEBUG: delete transaction 0x2b78e4e73338 379 Sep 6 12:18:11 openser /usr/local/sbin/openser[17385]: DEBUG: wait_handler : done 380 Sep 6 12:18:12 openser /usr/local/sbin/openser[17345]: DEBUG:parse_to:end of header reached, state=10 381 Sep 6 12:18:12 openser /usr/local/sbin/openser[17345]: DEBUG: get_hdr_field: <To> [26]; uri=[sip:openser] 382 Sep 6 12:18:12 openser /usr/local/sbin/openser[17345]: DEBUG: to body [<sip:openser> ] 383 Sep 6 12:18:12 openser /usr/local/sbin/openser[17345]: DEBUG: get_hdr_body : content_length=0 384 Sep 6 12:18:12 openser /usr/local/sbin/openser[17345]: DEBUG:destroy_avp_list: destroying list (nil) 385 Sep 6 12:18:14 openser /usr/local/sbin/openser[17343]: DEBUG:forward_reply: found module tm, passing reply to it 386 Sep 6 12:18:14 openser /usr/local/sbin/openser[17343]: DEBUG: t_check: start=0xffffffffffffffff 387 Sep 6 12:18:14 openser /usr/local/sbin/openser[17343]: DEBUG: add_param: tag=gK0288a919 388 Sep 6 12:18:14 openser /usr/local/sbin/openser[17343]: DEBUG:parse_to:end of header reached, state=29 389 Sep 6 12:18:14 openser /usr/local/sbin/openser[17343]: DEBUG: get_hdr_field: <To> [53]; uri=[sip:17144828306@openser] 390 Sep 6 12:18:14 openser /usr/local/sbin/openser[17343]: DEBUG: to body [<sip:17144828306@openser>] 391 Sep 6 12:18:14 openser /usr/local/sbin/openser[17343]: DEBUG: t_reply_matching: hash 53903 label 1526431020 branch 0 392 Sep 6 12:18:14 openser /usr/local/sbin/openser[17343]: DEBUG: t_reply_matching: no matching transaction exists 393 Sep 6 12:18:14 openser /usr/local/sbin/openser[17343]: DEBUG: t_reply_matching: failure to match a transaction 394 Sep 6 12:18:14 openser /usr/local/sbin/openser[17343]: DEBUG: t_check: end=(nil) It seems like its not matching the transaction, because a timer is removing the transaction? Any ideas? Thanks! -- Brandon Armstead

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[OpenSER-Users] Dispatcher + NAT
by kokoska rokoska 07 Sep '07

07 Sep '07

Hi all, I'm currently succesfully running OpenSER, but user population grow up and I'm affraid I need laod balancing :-) The projected scenario is: USERS <-> (NAT) <-> LB <-> P1 <-> GWs <-> P2 <-> R1 <-> R2 Where LB is Load Balancer (OpenSER with Dispatcher & Path module), and P1-P2 is proxies (OpenSER) and R1-R2 registrars (OpenSER) And the problem I need to solve is NAT handling. I can correctly process registrations with help of Path module on LB and enabling of using it on R1,R2. But, what should I do with calls? My idea is to process NAT handling on P1-P2, but I don't know how. Both proxies are unable (I mean) detect correct user IP address. Could you tell me, please, what to do? Do NAT handling on LB? It is unnecessary added load to LB... Thanx in advance! kokoska.rokoska

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[OpenSER-Users] is_from_user_enum() errors
by Eric Hiller 07 Sep '07

07 Sep '07

Hello all, I have a rather strange issue, I cannot use "is_from_user_enum()" without first using the variable $fu somewhere; or else I get the error "0(5858) get_parsed_from(): From header is not properly parsed". Originally I had an xlog there and it all worked fine, but when I took it away I started getting the error. Now I just have " $var(bleh) = $fu;" there and it makes it work fine. I had a forum post @ http://www.voipuser.org/forum_topic_10875.html that shows my entire config. Thanks for any help, Eric _________________________________________________________________ Discover the new Windows Vista http://search.msn.com/results.aspx?q=windows+vista&mkt=en-US&form=QBRE

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sr-users September 2007