sr-users March 2018

sr-users@lists.kamailio.org

101 participants
130 discussions

by David Villasmil

Hello guys, I'm trying to call an xmlrpc method with parameters like: <?xml version="1.0"?> <methodCall> <methodName>dispatcher.set_state</methodName> <params> <param> <value><string>state:i</string></value> </param> <param> <value><string>group:1</string></value> </param> <param> <value><string>sip:1.2.3.4:5060</string></value> </param> </params> </methodCall> I'm getting back "Invalid Parameters". I can't find any documentation as to _how_ to call it with parameters. Can anyone help? Regards, David Villasmil email: david.villasmil.work(a)gmail.com phone: +34669448337 ᐧ

6 years, 1 month

(no subject)

by hdssdsdsdsfsdf hdssdsdsdsfsdf

Hi all, I have kamailio setup that uses a mongo cluster, and everything works fine. Only I have problems with the avpops module. The avp_db_load fails with "field [attribute] not found in result iterator", even if the attribute field is present in the object in mongo. Does anybody know what could be going wrong? Thanks in advance, and kind regards, =============================================================================== kamailio.cfg: ... # ---- avpops params ---- modparam("avpops", "db_url", DBURL) modparam("avpops", "avp_table", "usr_preferences") ... xlog("trying avp_db_load\n"); if (avp_db_load("$fu/username", "$avp(s:attributevalue)")) { xlog("if succeeded\n"); } xlog("if not succeeded\n"); ... =============================================================================== mongo: rs:SECONDARY> db.usr_preferences.find({"username":"1234567890"}) { "_id" : ObjectId("5ab22a5b384cd2aa0d4cf403"), "attribute" : "attributevalue", "username" : "1234567890", "domain" : null, "value" : "750", "uuid" : "", "type" : 0 } =============================================================================== syslog: ... Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: <script>: trying avp_db_load Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:851]: db_mongodb_query(): query to collection [usr_preferences] Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:885]: db_mongodb_query(): query filter: { "username" : "1234567890", "attribute" : "attributevalue" } Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:904]: db_mongodb_query(): columns filter: { "value" : 1, "attribute" : 1, "type" : 1 } Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:116]: db_new_result(): allocate 56 bytes for result set at 0x7f43b613c480 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:349]: db_mongodb_get_columns(): 3 columns returned from the query Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:154]: db_allocate_columns(): allocate 24 bytes for result names at 0x7f43b613c318 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:165]: db_allocate_columns(): allocate 12 bytes for result types at 0x7f43b614d888 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:377]: db_mongodb_get_columns(): Found a field[0] named: value Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:396]: db_mongodb_get_columns(): allocate 16 bytes for RES_NAMES[0] at 0x7f43b614d9b8 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:431]: db_mongodb_get_columns(): use DB1_STRING result type Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:460]: db_mongodb_get_columns(): RES_NAMES(0x7f43b614d9b8)[0]=[value] (2) Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:377]: db_mongodb_get_columns(): Found a field[1] named: attribute Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: db_mongodb [mongodb_dbase.c:381]: db_mongodb_get_columns(): field [attribute] not found in result iterator Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: db_mongodb [mongodb_dbase.c:739]: db_mongodb_store_result(): failed to set the columns Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: db_mongodb [mongodb_dbase.c:918]: db_mongodb_query(): failed to store result Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: db_mongodb [mongodb_dbase.c:927]: db_mongodb_query(): failed to do the query Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:79]: db_free_columns(): freeing 3 columns Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:83]: db_free_columns(): freeing RES_NAMES[0] at 0x7f43b614d9b8 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:92]: db_free_columns(): freeing result names at 0x7f43b613c318 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:97]: db_free_columns(): freeing result types at 0x7f43b614d888 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:134]: db_free_result(): freeing result set at 0x7f43b613c480 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: avpops [avpops_impl.c:381]: ops_dbload_avps(): db_load failed Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: <script>: if not succeeded ... ===============================================================================

6 years, 1 month

Problems with dispatcher reload

by Arik Halperin

Hello, I’ve installed kamailio 5.1 but when I run: kamctl dispatcher reload I get: { "jsonrpc": "2.0", "error": { "code": 500, "message": "Method Not Found" }, "id": 31222 } How do I fix this? Thanks, Arik Halperin

6 years, 1 month

How does Kamailio decide which msg to store when receiving it double from 2 servers?

by Zigelman, Amit

I am using Captagent on 2 sip servers communicating with each other. Both Captagents then route the SIP traffic to the same Kamailio. Therefore, if I understand, Kamailio will get every msg between them twice. Once from server A and once from server B. Let's say that each of them has a different capturing code (100 for server A and 200 for server B) How will the data look in the DB? Will it hold both entries pretty much the same with a difference is some fields such as the capture node? Thanks a lot, Amit -- *Amit Zigelman* | *Software Developer* Mobile (+972) 54-570-9129 <+972%254-570-9129> | amit.zigelman(a)vonage.com

6 years, 1 month

authenticating to mongodb fails

by hdssdsdsdsfsdf hdssdsdsdsfsdf

When I connect using mongo, the credentials work: $ mongo kamailio -u "kam" -p "kam" MongoDB shell version v3.4.9 connecting to: mongodb://127.0.0.1:27017/kamailio MongoDB server version: 3.4.9 > db.subscriber.find() { "_id" : ObjectI ... But when I use the following DBURL in kamailio.cfg, kamailio fails to even login to mongo: #!define DBURL "mongodb://kam:kam@localhost/kamailio" If I disable mongodb authentication, kamailio starts up just fine again. Any idea what's going wrong here?

6 years, 1 month

NATDETECT Flag 16

by Duarte Rocha

Greetings, I have a doubt about the flag 16 used in nat_uac_test() belonging to the module NATDETECT. In the documentation, the following is stated : *16* - Test if the source port is different from the port in the “Via” header I have some situations that I receive a request from port 5060 and the Via Header contains no port. I think it probably assumes that it is the default port. Will this situation trigger the "16" flag ? Thanks in advance, Cheers

6 years, 1 month

S-CSCF can not allocate memory

by tyd

Hello, I haved install debian 8 and kamailio 4.4.7 for IMS testing. After registering 10000 users, SIPp generates CPS 25 SIP INVITE message and BYE message after 100 seconds. After about 240000 calls, there are "cannot allocate memory" messgae on S-CSCF. The command of S-CSCF is "kamailio -m 512 -f /etc/scscf/kamailio.cfg" The parameter mem_join=1 is included in kamailio.cfg. I have modified the share memory to 1024 and 2048, but the result is the same, just increasing the pass calls. Would you please tell me how to solve the memory problem? Thanks. Mar 21 12:25:03 Kamailio440 kamailio[16483]: ERROR: <core> [sip_msg_clone.c:981]: msg_lump_cloner(): cannot allocate memory Mar 21 12:25:03 Kamailio440 kamailio[16483]: ERROR: tm [t_fwd.c:1656]: t_forward_nonack(): ERROR: t_forward_nonack: failed to save the message lumps Mar 21 12:25:03 Kamailio440 kamailio[16483]: ERROR: tm [t_reply.c:545]: _reply_light(): ERROR: _reply_light: cannot allocate shmem buffer Mar 21 12:25:03 Kamailio440 kamailio[16483]: ERROR: tm [t_lookup.c:1489]: t_unref(): ERROR: t_unref: generation of a delayed stateful reply failed Mar 21 12:25:03 Kamailio440 kamailio[16446]: ERROR: tm [t_reply.c:1893]: relay_reply(): ERROR: relay_reply: cannot alloc reply shmem Mar 21 12:25:03 Kamailio440 kamailio[16446]: ERROR: tm [t_reply.c:545]: _reply_light(): ERROR: _reply_light: cannot allocate shmem buffer Mar 21 12:25:03 Kamailio440 kamailio[16435]: ERROR: tm [t_reply.c:316]: update_totag_set(): ERROR: update_totag_set: no memory Mar 21 12:25:03 Kamailio440 kamailio[16406]: ERROR: ims_dialog [dlg_profile.c:472]: set_dlg_profile(): no more shm memory Mar 21 12:25:03 Kamailio440 kamailio[16406]: ERROR: ims_dialog [ims_dialog.c:619]: w_set_dlg_profile(): failed to set profile Mar 21 12:25:03 Kamailio440 kamailio[16406]: ERROR: tm [t_lookup.c:1289]: new_t(): ERROR: new_t: out of mem: Mar 21 12:25:03 Kamailio440 kamailio[16406]: ERROR: tm [t_lookup.c:1429]: t_newtran(): ERROR: t_newtran: new_t failed root@Kamailio440:~# kamcmd tm.stats { current: 69 waiting: 0 total: 991300 total_local: 0 rpl_received: 2183891 rpl_generated: 20232 rpl_sent: 1475856 6xx: 0 5xx: 2704 4xx: 10124 3xx: 0 2xx: 978329 created: 991300 freed: 991231 delayed_free: 0 } root@Kamailio440:~# kamctl stats shmem shmem:fragments = 1630 shmem:free_size = 4303040 shmem:max_used_size = 536870912 shmem:real_used_size = 532567872 shmem:total_size = 536870912 shmem:used_size = 415668000

6 years, 1 month

execute only on INITIAL INVITE

by David Villasmil

Hello guys, I want to execute an sql only for INITIAL INVITEs, I'm trying like: #!ifdef WITH_DID_VALIDATE if(!has_totag()) { sql_query("acd", "select * from did_numbers where didNumber = '$tU' and active = 'Y'", "ra"); xlog("L_ERR", "[REQUEST_ROUTE] number of rows in table domain: $dbr(ra=>rows)\n"); if( $dbr(ra=>rows)==0 ) { xlog("L_ERR", "[REQUEST_ROUTE] DID Number validation returned [$dbr(ra=>rows)], not responding to this request\n"); exit; } sql_result_free("ra"); } #!endif But, say I remove the DID from the allowed list while a call is going on. Then responses to the allowed INVITE would not be processed. How would I limit that to ONLY the INITIAL INVITE? Should I use has_totag? Thanks! David Regards, David Villasmil email: david.villasmil.work(a)gmail.com phone: +34669448337 ᐧ

6 years, 1 month

kamailio 4.4.7 websockets

by draden vandewind

Hello, Can you explain to me how configure kamailio for to use websocket. I search a kamailio.cfg file with websocket support.... best regards draden

6 years, 1 month

Security announcement related to Kamailio

by Henning Westerholt

Hello, as already announced from Daniel-Constantin Mierla on the lists last Wednesday [1], we strongly advise you to update your Kamailio installation to the latest stable release for security reasons. All supported releases (4.4, 5.0. and 5.1) contains two important security fixes related to the tmx and lcr module. Technical details for the tmx issue: A specially crafted REGISTER message with a malformed branch or From tag triggers a so called "off-by-one heap overflow". This vulnerability existed in the tmx module and makes it possible to remotely crash the Kamailio service. If an attacker sends many of this messages this would lead to a Denial of Service of the attacked infrastructure. This is especially critical as no authentication for the remote source is needed. This vulnerability was found from Sandro Gauci and Alfred Farrugia from the Security Company Enable Security. Many thanks to them for finding the issue and reporting it to us. You find all the details including a proof of concept code in the published security announcement from them: https://github.com/EnableSecurity/advisories/tree/master/ES2018-05-kamailio… Technical details for the lcr issue: A vulnerability existed in the lcr next_gw() function. It happens when a very long R-URI username is sent with an INVITE due to an mistake in the function error code handling. It can be triggered from a remote source, but should be only from a trusted peer, as it expected that calls going through lcr are authenticated by user or IP address. This vulnerability was reported from an user in the Netherlands to us, thanks as well for the bug report. So far we are not aware of any public exploits of this errors. But as already mentioned, we advise you to update your Kamailio servers to the latest stable release as soon as possible, especially as the tmx vulnerability will reported to more security lists later today. Please address any detailed technical questions related to the two bugs to the developer list at sr-dev(a)lists.kamailio.org . In case of confidential remarks related to this or other security issues, please address them to the Kamailio Management at management(a)kamailio.org . Best regards, Henning Westerholt Kamailio Project [1] https://lists.kamailio.org/pipermail/sr-users/2018-March/100672.html

6 years, 1 month

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sr-users March 2018