sr-dev October 2012

sr-dev@lists.kamailio.org

31 participants
241 discussions

Using t_suspend()/t_continue() multiple times on the same transaction
by Peter Dunkley 02 Jul '14

02 Jul '14

Hi, I am trying to use t_suspend()/t_continue() multiple times on the same transaction. Calling t_suspend() more than once works, but the second time I call t_continue() the transaction is killed and a 500 response is sent. It is the "if (branch == t->nr_of_outgoings)" check from the code fragment below (from t_suspend.c:t_continue()) that results in the transaction being killed - you can see the debug/error line I added to determine this in the fragment. Is using t_suspend()/t_continue() multiple times something that should work? Thanks, Peter if (t->uas.status < 200) { /* No final reply has been sent yet. * Check whether or not there is any pending branch. */ for ( branch = 0; branch < t->nr_of_outgoings; branch++ ) { if ((t->uac[branch].request.buffer != NULL) && (t->uac[branch].last_received < 200) ) break; } if (branch == t->nr_of_outgoings) { /* There is not any open branch so there is * no chance that a final response will be received. */ ret = 0; LM_ERR("branch == t->nr_of_outgoings\n"); goto kill_trans; } } -- Peter Dunkley Technical Director Crocodile RCS Ltd

5 12

default config: do loose_route() for in-dialog NOTIFY as per new RFC 6665
by Iñaki Baz Castillo 19 Feb '14

19 Feb '14

Hi, the new RFC 6665 mandates that the subscription dialog is made *after* the first NOTIFY from the UAS (rather than after the 200 to the initial SUBSCRIBE). This means that the UAC MUST take the route set from the *first* received NOTIFY (instead of taking it from the 200 to the initial SUBSCRIBE). Therefore a proxy compliant with RFC 6665 MUST always add RR to in-dialog NOTIFY requests and thus, I propose that the default SR script file implements it. Regards. -- Iñaki Baz Castillo <ibc(a)aliax.net>

5 21

git:master: modules_k/uac: uac_replace_from/to AUTO mode with dialog module
by Anca Vamanu 27 Jun '13

27 Jun '13

Module: sip-router Branch: master Commit: 0f702f6e236eb0cbb238bf83a0c4ae94d7b3cad8 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=0f702f6… Author: Anca Vamanu <anca.vamanu(a)1and1.ro> Committer: Anca Vamanu <anca.vamanu(a)1and1.ro> Date: Thu Jul 19 17:49:13 2012 +0300 modules_k/uac: uac_replace_from/to AUTO mode with dialog module Added a implementation for uac_replace_from/to() that uses the dialog module for AUTO mode. In this mode the URIs are stored as dialog variables. The change in tm module fixes a bug: if uac_replace_to() was called, the URI was not changed accordingly in Cancel. --- modules/tm/t_cancel.c | 5 +- modules_k/dialog/dialog.c | 2 + modules_k/dialog/dlg_load.h | 6 + modules_k/uac/README | 111 +++++++++++----- modules_k/uac/doc/uac_admin.xml | 68 +++++++++- modules_k/uac/replace.c | 292 ++++++++++++++++++++++++++++++--------- modules_k/uac/uac.c | 17 ++- 7 files changed, 393 insertions(+), 108 deletions(-) Diff: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commitdiff;h=0f7…

2 1

dns resolver issue (RFC3263)
by MÉSZÁROS Mihály 19 Dec '12

19 Dec '12

Hi All, I am experiencing an issue when i try to contact xy(a)cisco.com. I found that kamailio/sip-router can't resolve by default resolving way a TCP + SRV records from domain cisco.com. e.g. cisco.com misi@alma:~$ host -t NAPTR cisco.com cisco.com has no NAPTR record misi@alma:~$ host -t SRV _sip._udp.cisco.com Host _sip._udp.cisco.com not found: 3(NXDOMAIN) misi@alma:~$ host -t SRV _sip._tcp.cisco.com _sip._tcp.cisco.com has SRV record 1 0 5060 vcsgw.cisco.com. misi@alma:~$ host -t SRV _sips._tcp.cisco.com _sips._tcp.cisco.com has SRV record 1 0 5061 vcsgw.cisco.com. I can't call xy(a)cisco.com because it does not exists an NAPTR record in domain cisco.com, and furthermore no SRV with udp. But it exists sip+tcp record and also exists an secure sip SRV, so sips+tcp record! I read rfc3263 I find kamailio dns resolver is not working as it should according RFC3263. http://tools.ietf.org/html/rfc3263 _If no NAPTR records are found, the client constructs SRV queries for those transport protocols it supports, and does a query for each._ So kamailio should query all (udp, tcp, tls, sctp whatever) protocols. Can anyone help/guide me to create a fix to this issue? My plan is to create a patch to kamailio resolver, to correct and behave according RFC3263. Any help or guidance appreciated! Thanks, Misi

4 19

Kamailio v3.3.2 Released
by Daniel-Constantin Mierla 05 Dec '12

05 Dec '12

Hello, Kamailio SIP Server v3.3.2 stable release is out. This is a maintenance release of the latest stable branch, 3.3, that includes fixes since release of v3.3.1. There is no change to database schema or configuration language structure that you have to do on installations of v3.3.0 or v3.3.1. Deployments running previous v3.x.x versions are strongly recommended to be upgraded to v3.3.2. For more details about version 3.3.2 (including links and hints to download the tarball or from GIT repository), visit: * http://www.kamailio.org/w/2012/10/kamailio-v3-3-2-released/ RPM, Debian/Ubuntu packages will be available soon as well. Cheers, Daniel -- Daniel-Constantin Mierla - http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio Advanced Training, Berlin, Nov 5-8, 2012 - http://asipto.com/u/kat Kamailio Advanced Training, Miami, USA, Nov 12-14, 2012 - http://asipto.com/u/katu

4 7

git:master: modules/tm: corrected a mis-leading error message
by Peter Dunkley 06 Nov '12

06 Nov '12

Module: sip-router Branch: master Commit: 7b3f234106adebd0a3ab069add170f0d23f1f592 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=7b3f234… Author: Peter Dunkley <peter.dunkley(a)crocodile-rcs.com> Committer: Peter Dunkley <peter.dunkley(a)crocodile-rcs.com> Date: Wed Oct 31 17:48:37 2012 +0000 modules/tm: corrected a mis-leading error message --- modules/tm/t_fwd.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/modules/tm/t_fwd.c b/modules/tm/t_fwd.c index 82a89f9..7f4ad54 100644 --- a/modules/tm/t_fwd.c +++ b/modules/tm/t_fwd.c @@ -428,7 +428,7 @@ static int prepare_new_uac( struct cell *t, struct sip_msg *i_req, /* ... and build it now */ shbuf=build_req_buf_from_sip_req( i_req, &len, dst, BUILD_IN_SHM); if (!shbuf) { - LOG(L_ERR, "ERROR: print_uac_request: no shm mem\n"); + LM_ERR("building request\n"); ret=E_OUT_OF_MEM; goto error01; }

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git:master: core: corrected some mis-leading error messages
by Peter Dunkley 06 Nov '12

06 Nov '12

Module: sip-router Branch: master Commit: 014d1000055d8ee93ef35336b1701674fe23a675 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=014d100… Author: Peter Dunkley <peter.dunkley(a)crocodile-rcs.com> Committer: Peter Dunkley <peter.dunkley(a)crocodile-rcs.com> Date: Wed Oct 31 17:48:17 2012 +0000 core: corrected some mis-leading error messages --- msg_translator.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/msg_translator.c b/msg_translator.c index 0447bfa..6985418 100644 --- a/msg_translator.c +++ b/msg_translator.c @@ -1722,8 +1722,7 @@ char * build_req_buf_from_sip_req( struct sip_msg* msg, if (unlikely(via_anchor==0)) goto error00; line_buf = create_via_hf( &via_len, msg, send_info, &branch); if (unlikely(!line_buf)){ - LOG(L_ERR,"ERROR: build_req_buf_from_sip_req: " - "memory allocation failure\n"); + LM_WARN("creating Via header\n"); goto error00; } after_local_via: @@ -2496,7 +2495,8 @@ char* via_builder( unsigned int *len, } if (con == NULL) { - LM_WARN("TCP/TLS connection for WebSocket could not be found\n"); + LM_WARN("TCP/TLS connection (id: %d) for WebSocket could not be found\n" + send_info->id); return 0; }

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git:master: New Option: "x" for automatic bridging between IPv4 and IPv6.
by admin＠sip-router.org 01 Nov '12

01 Nov '12

Module: sip-router Branch: master Commit: 2750e03d4977d4a8f59ca0d2d0f59e1caec96b2d URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=2750e03… Author: Carsten Bock <carsten(a)ng-voice.com> Committer: Carsten Bock <carsten(a)ng-voice.com> Date: Mon Sep 17 17:25:38 2012 +0200 New Option: "x" for automatic bridging between IPv4 and IPv6. Based on the following assumption: "i" is the IPv4 interface and "e" is the IPv6 interface on the RTPProxy (tested with both RTPProxy and Sipwise's ngcp-mediaproxy-ng). Mechanism is as follows: - IP in SDP is IPv4: Do bridging "ie" - IP in SDP is IPv6: Do bridging "ei" Not a big deal, but makes the configuration much more easier. --- modules/rtpproxy/doc/rtpproxy.xml | 8 ++++++++ modules/rtpproxy/doc/rtpproxy_admin.xml | 7 +++++++ modules/rtpproxy/rtpproxy.c | 22 +++++++++++++++++++++- 3 files changed, 36 insertions(+), 1 deletions(-) diff --git a/modules/rtpproxy/doc/rtpproxy.xml b/modules/rtpproxy/doc/rtpproxy.xml index d5a15ee..741a4d9 100644 --- a/modules/rtpproxy/doc/rtpproxy.xml +++ b/modules/rtpproxy/doc/rtpproxy.xml @@ -57,6 +57,14 @@ <email>osas(a)voipembedded.com</email> </address> </editor> + <editor> + <firstname>Carsten</firstname> + <surname>Bock</surname> + <affiliation><orgname>ng-voice GmbH</orgname></affiliation> + <address> + <email>carsten(a)ng-voice.com</email> + </address> + </editor> </authorgroup> <copyright> <year>2003-2008</year> diff --git a/modules/rtpproxy/doc/rtpproxy_admin.xml b/modules/rtpproxy/doc/rtpproxy_admin.xml index a245d73..d6a9dc5 100644 --- a/modules/rtpproxy/doc/rtpproxy_admin.xml +++ b/modules/rtpproxy/doc/rtpproxy_admin.xml @@ -344,6 +344,13 @@ rtpproxy_offer(); the 'w' flag for clients behind NAT! See also above notes! </para></listitem> <listitem><para> + <emphasis>x</emphasis> - this flag will do automatic bridging between IPv4 on the + "internal network" and IPv6 on the "external network". The distinction is done by + the given IP in the SDP, e.g. a IPv4 Address will always call "ie" to the RTPProxy + (IPv4(i) to IPv6(e)) and an IPv6Address will always call "ei" to the RTPProxy (IPv6(e) + to IPv4(i)). + </para></listitem> + <listitem><para> <emphasis>f</emphasis> - instructs rtpproxy to ignore marks inserted by another rtpproxy in transit to indicate that the session is already goes through another proxy. Allows creating diff --git a/modules/rtpproxy/rtpproxy.c b/modules/rtpproxy/rtpproxy.c index 9a0fd14..59e7092 100644 --- a/modules/rtpproxy/rtpproxy.c +++ b/modules/rtpproxy/rtpproxy.c @@ -1993,6 +1993,7 @@ force_rtp_proxy(struct sip_msg* msg, char* str1, char* str2, int offer, int forc {NULL, 0}, /* Timeout-Socket */ }; int iovec_param_count; + int autobridge_ipv4v6; char *c1p, *c2p, *bodylimit, *o1p; char itoabuf_buf[20]; @@ -2012,7 +2013,7 @@ force_rtp_proxy(struct sip_msg* msg, char* str1, char* str2, int offer, int forc LM_ERR("out of pkg memory\n"); FORCE_RTP_PROXY_RET (-1); } - flookup = force = real = orgip = commip = via = 0; + flookup = force = real = orgip = commip = via = autobridge_ipv4v6 = 0; for (cp = str1; cp != NULL && *cp != '\0'; cp++) { switch (*cp) { case '1': @@ -2076,6 +2077,11 @@ force_rtp_proxy(struct sip_msg* msg, char* str1, char* str2, int offer, int forc orgip = 1; break; + case 'x': + case 'X': + autobridge_ipv4v6 = 1; + break; + case 'w': case 'W': if (append_opts(&opts, 'S') == -1) { @@ -2253,6 +2259,12 @@ force_rtp_proxy(struct sip_msg* msg, char* str1, char* str2, int offer, int forc } /* XXX must compare address families in all addresses */ if (pf == AF_INET6) { + if (autobridge_ipv4v6 != 0) { + if ((append_opts(&opts, 'E') == -1) && (append_opts(&opts, 'I') == -1)) { + LM_ERR("out of pkg memory\n"); + FORCE_RTP_PROXY_RET (-1); + } + } if (append_opts(&opts, '6') == -1) { LM_ERR("out of pkg memory\n"); FORCE_RTP_PROXY_RET (-1); @@ -2260,7 +2272,15 @@ force_rtp_proxy(struct sip_msg* msg, char* str1, char* str2, int offer, int forc /* We need to update the pointers and the length here, it has changed. */ v[1].iov_base = opts.s.s; v[1].iov_len = opts.oidx; + } else { + if (autobridge_ipv4v6 != 0) { + if ((append_opts(&opts, 'I') == -1) && (append_opts(&opts, 'E') == -1)) { + LM_ERR("out of pkg memory\n"); + FORCE_RTP_PROXY_RET (-1); + } + } } + STR2IOVEC(newip, v[9]); STR2IOVEC(oldport, v[11]); #ifdef EXTRA_DEBUG

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git:master: kamailio.cfg: add option to set pstn gw port
by Daniel-Constantin Mierla 31 Oct '12

31 Oct '12

Module: sip-router Branch: master Commit: 4ef839851ef518815df38a9ae73e948719784e89 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=4ef8398… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: Wed Oct 31 20:21:07 2012 +0100 kamailio.cfg: add option to set pstn gw port --- etc/kamailio.cfg | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-) diff --git a/etc/kamailio.cfg b/etc/kamailio.cfg index a8d694a..aa83fad 100644 --- a/etc/kamailio.cfg +++ b/etc/kamailio.cfg @@ -191,6 +191,7 @@ tcp_connection_lifetime=3605 # # - by default is empty to avoid misrouting pstn.gw_ip = "" desc "PSTN GW Address" +pstn.gw_port = "" desc "PSTN GW Port" #!endif #!ifdef WITH_VOICEMAIL @@ -826,7 +827,12 @@ route[PSTN] { exit; } - $ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip); + if (strempty($sel(cfg_get.pstn.gw_port))) { + $ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip); + } else { + $ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip) + ":" + + $sel(cfg_get.pstn.gw_port); + } route(RELAY); exit;

1 0

git:master: kamailio.cfg: updated wiki link to match the version
by Daniel-Constantin Mierla 31 Oct '12

31 Oct '12

Module: sip-router Branch: master Commit: 03c080376e26aeae8261d2ff12fc290a3925ef91 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=03c0803… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: Wed Oct 31 14:40:25 2012 +0100 kamailio.cfg: updated wiki link to match the version --- etc/kamailio.cfg | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/etc/kamailio.cfg b/etc/kamailio.cfg index 247ddd9..a8d694a 100644 --- a/etc/kamailio.cfg +++ b/etc/kamailio.cfg @@ -6,7 +6,7 @@ # # Direct your questions about this file to: <sr-users(a)lists.sip-router.org> # -# Refer to the Core CookBook at http://www.kamailio.org/dokuwiki/doku.php +# Refer to the Core CookBook at http://www.kamailio.org/wiki/ # for an explanation of possible statements, functions and parameters. # # Several features can be enabled using '#!define WITH_FEATURE' directives:

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sr-dev October 2012