sr-dev March 2015

sr-dev@lists.kamailio.org

34 participants
191 discussions

[kamailio] core parsing of SIP message failed errors (#107)
by jcohn25 26 Aug '15

26 Aug '15

I finally got everything working but see to consistently receive the following 3 errors (see below) over and over when a call is being collected? Versions: Homer 3.6 kamailio 4.3.0-dev4 Captagent 4.2.0 Any assistance would be appreciated. Errors: Mar 8 22:04:47 ce-homer2 /usr/local/kamailio/sbin/kamailio[9921]: ERROR: <core> [parser/parse_fline.c:257]: parse_first_line(): parse_first_line: bad message (offset: 0) Mar 8 22:04:47 ce-homer2 /usr/local/kamailio/sbin/kamailio[9921]: … [View More]

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[kamailio] Errors work BLF modules pua and presence (#104)
by klistrod 15 Jul '15

15 Jul '15

Errors work BLF modules pua and presence: loadmodule "presence.so" loadmodule "presence_xml.so" loadmodule "presence_dialoginfo.so" loadmodule "pua.so" loadmodule "pua_dialoginfo.so" modparam("presence", "db_url", DBURL) modparam("presence_xml", "db_url", DBURL) modparam("presence_xml", "force_active", 1) modparam("presence_dialoginfo", "force_single_dialog", 1) 5(18085) ERROR: presence [publish.c:139]: msg_presentity_clean(): event not found 5(18085) ERROR: db_mysql [km_dbase.c:123]: … [View More]

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[kamailio] lookup_branches and rtpengine_manage (#53)
by ovoshlook 04 Jun '15

04 Jun '15

Hello. I need parallel forking calls with the same username. (Call to all contacts with name for example User123), my endpoints may be WebSocket based and standart UDP endpoints. And I use rtpengine_manage for managing calls wor webphones and standart softh/hard phones. I get all contacts manually and than at the branch route set rtpengine_manage settings for every call. It works fine but it works for one kamailio server. When I use 2 kamailio servers as load balansers Server that handle … [View More]call get all endpoints from location but call to only one, that registred only at ths server for example I call user123 I have 3 contacts user123(a)1.2.3.4 - was registered at kamailio 1 user123(a)3.2.1.4 - was registered at kamailio 2 user123(a)4.3.2.1 - was registered at kamailio 1 So if call goes through kamailio 1 it call only to user123(a)1.2.3.4 and user123(a)4.3.2.1 I use this settings for usrloc at 2 kamailios to share all table between 2 servers modparam("usrloc", "db_url", DBURL) modparam("usrloc", "db_mode", 3) modparam("usrloc", "user_column", "username") modparam("usrloc", "contact_column", "contact") modparam("usrloc", "expires_column", "expires") modparam("usrloc", "q_column", "q") modparam("usrloc", "callid_column", "callid") modparam("usrloc", "cseq_column", "cseq") modparam("usrloc", "methods_column", "methods") modparam("usrloc", "cflags_column", "cflags") modparam("usrloc", "user_agent_column", "user_agent") modparam("usrloc", "received_column", "received") modparam("usrloc", "socket_column", "socket") modparam("usrloc", "path_column", "path") modparam("usrloc", "ruid_column", "ruid") modparam("usrloc", "instance_column", "instance") modparam("usrloc", "use_domain", 1) and this code for calling them [GET_CONTACTS] { sql_query("ca", "select contact from location where username='$tU'", "ra"); xlog("rows: $dbr(ra=>rows) cols: $dbr(ra=>cols)\n"); if($dbr(ra=>rows)>0){ $var(i)=0; while($var(i)<$dbr(ra=>rows)){ xlog("L_INFO","SQL query return contact {$dbr(ra=>[$var(i),0])} for {$tU} at step {$var(i)}\n"); if ($dbr(ra=>[$var(i),0])=~"transport=ws"){ xlog("L_INFO", "This is a Websocket call to endpoint"); sql_pvquery("ca", "select received from location where contact='$dbr(ra=>[$var(i),0])'","$var(recieved)"); $du=$var(recieved); xlog("L_INFO","SQL query return recieved {$var(recieved)} for {$tU}. Destination is {$du}\n"); append_branch("sip:$tU@$(du{s.select,1,:})"); } else { xlog("L_INFO", "This is a classic UDP call to endpoint"); $var(recieved)=''; sql_pvquery("ca", "select received from location where contact='$dbr(ra=>[$var(i),0])'","$var(recieved)"); xlog("L_INFO", "SQL query return RECIEVED {$var(recieved)}"); if ($var(recieved)==0){ xlog("L_INFO", "Recieved string is EMPTY"); $du="sip:"+$(dbr(ra=>[$var(i),0]){s.select,1,@}); } else { xlog("L_INFO", "Recieved string is {$var(recieved)}"); $du=$var(recieved); } $var(UDP_contact)="sip:"+$(dbr(ra=>[$var(i),0]){s.select,1,@}); append_branch("sip:$tU@$(du{s.select,1,:})"); xlog("L_INFO","Classic Destination URI is {$dbr(ra=>[$var(i),0])} for {$tU}}. Destination is {$du}\n"); } $var(i) = $var(i) + 1; } } t_on_branch("1"); return; } } } branch_route[1]{ if($du=~"transport=ws"){ xlog("L_INFO","Websocket Branch is {$du} for {$tU}\n"); rtpengine_manage("internal extenal force trust-address replace-origin replace-session-connection ICE=force RTP/SAVPF"); t_on_reply("REPLY_FROM_WS"); } else{ xlog("L_INFO","UDP Branch is {$du)} for {$tU}\n"); rtpengine_manage("replace-origin replace-session-connection ICE=remove RTP/AVP"); t_on_reply("MANAGE_CLASSIC_REPLY"); } } When it try to branch endpoint without registration at server that handle call I get errors that tm module can not build Via header *via_builder(): TCP/TLS connection (id: 0) for WebSocket could not be found* *ERROR: <core> [msg_translator.c:1725]: build_req_buf_from_sip_req(): could not create Via header* *ERROR: <core> [forward.c:607]: forward_request(): ERROR: forward_request: building failed* UDP calls get errors something like above (sorry than can not share error code, This situation not often). So I think I have this trouble because I use manually handling call and tried to substitute to lookup_branches function. but I have no Idea how to set rtpengine_manage paraments for each endpoint depending this is websocket or standart call. IF there is write problem for callings thhrough 2 kamailios as load balansers please let me know about how to set rtpengine_manage parametrs wor endpoints for every fork. If not- can you tell me how I can call to all endpoints endepending of registration server (kamailio 1 or 2). But with another side I can not understand why kamailio 2 don't see registrations at kamailio1 (or 1 from 2). May be this is trouble of usrloc module. That's why I write this problem here. Thanks. --- Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/53 [View Less]

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[kamailio] introduce RUN_DIR (#80)
by Victor Seva 03 Jun '15

03 Jun '15

In order to get rid of any occurrence of ```/tmp``` in modules, introduce a ```RUN_DIR``` make option and every module should honor it default could be ```/var/run/$(NAME)``` Related to #48 --- Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/80

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[kamailio] multiple /tmp file vulnerabilities (#48)
by Victor Seva 21 May '15

21 May '15

Reported by: Helmut Grohne <helmut(a)subdivi.de> The kamailio package now installs /etc/kamailio/kamailio-basic.cfg which can be selected via the CFGFILE= setting in /etc/default/kamailio. The configuration contains: ``` modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo") ``` This setting is insecure and may allow local users to elevate privileges to the kamailio user. The issue extends to kamailio-advanced.cfg. It seems that this is due to an incomplete fix of #712083. Looking … [View More]

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[kamailio] kamailio doesn't provide number of registered users stat when usrloc in db_mode=3 (#113)
by mading087 21 May '15

21 May '15

Running latest 4.2 with usrloc in db_mode=3. It seems "kamctl stats usrloc" or "kamctl ul show" always shows 0 registered users even when there are registered users (location table has entries). This looks like a bug? --- Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/113

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Crash bug
by Alex Balashov 11 May '15

11 May '15

Hello, I'm running kamailio:4.2:df86f2a9a09339687af5914b85fe8bd8f8f1f575 and am getting a periodic crash, once every few days, in response to a CANCEL message. The basic back trace is like this: (gdb) where #0 0x000000000044fed2 in del_nonshm_lump (lump_list=0x7f48f5681440) at data_lump.c:677 #1 0x00007f48f5404a15 in free_faked_req (faked_req=0x7f48f5680ea0, t=0x7f46ee6faeb0) at t_reply.c:975 #2 0x00007f48f5405bdf in run_failure_handlers (t=0x7f46ee6faeb0, rpl=… [View More]0xffffffffffffffff, code=487, extra_flags=0) at t_reply.c:1061 #3 0x00007f48f54084e4 in t_should_relay_response (Trans=0x7f46ee6faeb0, new_code=487, branch=0, should_store=0x7fffce5605e0, should_relay=0x7fffce5605e4, cancel_data=0x7fffce5606b0, reply=0xffffffffffffffff) at t_reply.c:1406 #4 0x00007f48f540b045 in relay_reply (t=0x7f46ee6faeb0, p_msg=0xffffffffffffffff, branch=0, msg_status=487, cancel_data=0x7fffce5606b0, do_put_on_wait=1) at t_reply.c:1809 #5 0x00007f48f5386832 in cancel_branch (t=0x7f46ee6faeb0, branch=0, reason=0x0, flags=10) at t_cancel.c:276 #6 0x00007f48f53aff4a in e2e_cancel (cancel_msg=0x7f48f68d69d8, t_cancel=0x7f46ee8d9c30, t_invite=0x7f46ee6faeb0) at t_fwd.c:1373 #7 0x00007f48f53b4bd0 in t_relay_cancel (p_msg=0x7f48f68d69d8) at t_fwd.c:1967 #8 0x00007f48f53deaa7 in w_t_relay_cancel (p_msg=0x7f48f68d69d8, _foo=0x0, _bar=0x0) at tm.c:1743 #9 0x000000000041d364 in do_action (h=0x7fffce560fc0, a=0x7f48f6689f70, msg=0x7f48f68d69d8) at action.c:1088 #10 0x0000000000429a7a in run_actions (h=0x7fffce560fc0, a=0x7f48f6689f70, msg=0x7f48f68d69d8) at action.c:1583 #11 0x000000000042a0df in run_actions_safe (h=0x7fffce5622b0, a=0x7f48f6689f70, msg=0x7f48f68d69d8) at action.c:1648 #12 0x0000000000541158 in rval_get_int (h=0x7fffce5622b0, msg=0x7f48f68d69d8, i=0x7fffce561498, rv=0x7f48f668a1e0, cache=0x0) at rvalue.c:924 #13 0x0000000000545390 in rval_expr_eval_int (h=0x7fffce5622b0, msg=0x7f48f68d69d8, res=0x7fffce561498, rve=0x7f48f668a1d8) at rvalue.c:1918 #14 0x0000000000545786 in rval_expr_eval_int (h=0x7fffce5622b0, msg=0x7f48f68d69d8, res=0x7fffce561920, rve=0x7f48f668a948) at rvalue.c:1926 #15 0x000000000041ce4e in do_action (h=0x7fffce5622b0, a=0x7f48f668c260, msg=0x7f48f68d69d8) at action.c:1064 #16 0x0000000000429a7a in run_actions (h=0x7fffce5622b0, a=0x7f48f6689808, msg=0x7f48f68d69d8) at action.c:1583 #17 0x000000000041d2cd in do_action (h=0x7fffce5622b0, a=0x7f48f668c960, msg=0x7f48f68d69d8) at action.c:1079 #18 0x0000000000429a7a in run_actions (h=0x7fffce5622b0, a=0x7f48f667c628, msg=0x7f48f68d69d8) at action.c:1583 #19 0x000000000042a1a7 in run_top_route (a=0x7f48f667c628, msg=0x7f48f68d69d8, c=0x0) at action.c:1669 #20 0x0000000000507e1a in receive_msg ( buf=0xa6f760 "CANCEL sip:yyy@xxx:5060 SIP/2.0\r\nVia: SIP /2.0/UDP xxx:5060;branch=z9hG4bK08f.3dc6f0e1.0\r\nFrom: \"yyy\" <sip:yyy@xxx>;tag=D78eD8FB3SDgc\r\nCall-ID: e5e48a99-48dd-1233-96b7-782bcb13da6a\r\nTo: <sip:xxx@xxx:5060>\r\nCSeq: 73049624 CANCEL\r\nMax-Forwards: 32\r\nUser-Agent: OpenSIPS (1.9.1-notls (x86_64/linux))\r\nContent-Length: 0\r\n\r\n", len=394, rcv_info=0x7fffce5625a0) at receive.c:216 #21 0x00000000006074ae in udp_rcv_loop () at udp_server.c:521 #22 0x00000000004a5f0b in main_loop () at main.c:1629 #23 0x00000000004ab8bf in main (argc=11, argv=0x7fffce5629c8) at main.c:2578 I'll send a 'thread apply all bt full' privately due to the amount of private addresses in there, but a quick glance suggests a possible problem is here: #5 0x00007f48f5386832 in cancel_branch (t=0x7f46ee6faeb0, branch=0, reason=0x0, flags=10) at t_cancel.c:276 cancel = 0x1 <Address 0x1 out of bounds> len = 32584 crb = 0x7f46ee6fb0b0 irb = 0x7f46ee6fb028 ret = 1 tmp_cd = {cancel_bitmap = 0, reason = {cause = 0, u = {text = { s = 0x0, len = 0}, e2e_cancel = 0x0, packed_hdrs = {s = 0x0, len = 0}}}} pcbuf = 0x7f46ee6fb0c0 __FUNCTION__ = "cancel_branch" #6 0x00007f48f53aff4a in e2e_cancel (cancel_msg=0x7f48f68d69d8, t_cancel=0x7f46ee8d9c30, t_invite=0x7f46ee6faeb0) at t_fwd.c:1373 cancel_bm = 1 reason = 0x0 free_reason = 0 i = 0 lowest_error = 0 ret = 32584 tmcb = {req = 0x137f66ce710, rpl = 0x7f48f68d69d8, param = 0xf48ab828, code = -158504488, flags = 32584, branch = 0, t_rbuf = 0xf80f668f9a0, dst = 0xce5622b0, send_buf = { s = 0x1ffffffff <Address 0x1ffffffff out of bounds>, len = -304107664}} __FUNCTION__ = "e2e_cancel" #7 0x00007f48f53b4bd0 in t_relay_cancel (p_msg=0x7f48f68d69d8) at t_fwd.c:1967 t_invite = 0x7f46ee6faeb0 t = 0x7f46ee8d9c30 ret = -323705680 new_tran = 1 Thanks, -- Alex -- Alex Balashov - Principal Evariste Systems LLC 303 Perimeter Center North Suite 300 Atlanta, GA 30346 United States Tel: +1-678-954-0670 Web: http://www.evaristesys.com/ [View Less]

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[kamailio] Kamailio v 4.3 failled (#111)
by ovoshlook 28 Apr '15

28 Apr '15

version: kamailio 4.3.0-dev5 (x86_64/linux) ab4271 flags: STATS: Off, USE_TCP, USE_TLS, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, F_MALLOC, DBG_F_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, … [View More]

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Roadmap for next major release v4.3.0
by Daniel-Constantin Mierla 22 Apr '15

22 Apr '15

Hello, it is time to nail down the roadmap to the next major release. We discussed during the last IRC devel meeting, proposing to get it out by beginning of June. Given we need to have at least one month of testing, I propose the next milestones: - freezing the development: Wednesday, April 22, 2015 - if testing goes smooth, then branching 4.3 after about one month: During the week starting May 18 - test more in beta phase, prepare packaging, etc. and release after 2-3 weeks: One of the days … [View More]

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usrloc and db only mode
by Daniel-Constantin Mierla 21 Apr '15

21 Apr '15

Hello, following some discussions on github issues, mailing list and irc recently, I am opening a topic and see if we can get something to accommodate the needs out there at the best for everyone. These are more in the context with the increase of sizes for deployments, but also having the option to use a no-sql, some internal bits of usrloc may need tunings. The points to be considered: 1) discovering what is the server that wrote the record 2) efficiently getting the records that require … [View More]nat keepalive The two are sometime related, but not necessary always. Victor Seva on irc channel was saying that is planning to propose a patch for 1), relying on socket value in the location table. The use case presented was many servers saving and looking up the records in the same table, but fetch only the records written by current instance for sending keepalives. It makes sense not send keepalives from all instances, for load as well and bandwidth considerations. This could work relying on local socket, but I am not sure how efficient will be when listening on many sockets (different ips, but also different ports or protocols - ipv4/6, tcp, tls, udp -- all add sockets). On 2), it's being for a while on my list to review, as the module uses custom sql queries (or even functions) to be able to match the the records for sending keepalives -- it does matching with bitwise operations to see if flags for nat are set. That doesn't work with no-sql databases (including db_text, db_mongodb and I expect db_cassandra). Even for sql, that kind of query is not efficient, especially when dealing with a large amount of records. The solutions that came in my mind for now: - for 1) -- add the server_id as a new column in the location table. It was pointed to be that ser location had it. This will turn a query matching on many socket-representation strings to one expression done on an integer. The value for server_id can be set via the core parameter with the same name. - for 2) -- add a new column 'keepalive' to be set internally by the module to 1 if any of the flags for sending keepalive was set. Then the query to fetch it will just use a match on it, rather that bitwise operations in the match expression. Furthermore, this can be set to a different value when enabling the keepalive partitioning (ie., sending keepalives from different timer processes, each doing for a part of natted users) - right now, for the db only mode, the selection is done by column id % (number of keepalive processes). Opinions, improvements, other proposals? Cheers, Daniel -- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, May 27-29, 2015 Berlin, Germany - http://www.kamailioworld.com [View Less]

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sr-dev March 2015