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20 participants
37471 discussions

[Kamailio-Users] Logging of db_extra parameters + serial forking
by Alex Balashov 24 Feb '10

24 Feb '10

Here is a problem I am sure is not new (1.5.x): modparam("acc", "db_extra", "gateway_id=$avp(s:gateway_id)") route { ... $avp(s:gateway_id) = 13; $ru = "some.gw1"; t_on_failure("1"); if(!t_relay()) sl_reply_error(); } # Serial forking rollover route failure_route[1] { if(t_was_cancelled()) exit; $avp(s:gateway_id) = 14; $rd = "some.gw2"; append_branch(); t_relay(); } The problem is, when serial forking happens, the CDR rows in 'acc' still show a value of 13 for 'gateway_id'. This is obviously because the value is sampled at the time of the initial stateful relay processing and is not updated afterward. Any easy/elegant fix? I can think of several fixes that don't involve using 'acc', obviously, but I'd rather avoid that... -- Alex Balashov - Principal Evariste Systems LLC Tel : +1 678-954-0670 Direct : +1 678-954-0671 Web : http://www.evaristesys.com/

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Re: [SR-Users] function calling in the config script with $var() as attribute(s)
by Klaus Feichtinger 24 Feb '10

24 Feb '10

Klaus, Alex, you're right. I've seen Klaus's suggestion only after writing my email message. This is the best solution and solves my problem! regards, Klaus > > > Am 24.02.2010 15:41, schrieb Klaus Feichtinger: > > Hello SR-users and -developers, > > > > I have the question if parameters for a function in the config script > > (e.g. "t_relay(host, port)") in general can be set with a variable > > ($var(xy)). Because of having a set of SIP servers / gateways > distributed > > over a wide area and therefore keeping the configuration as simple as > > possible, I would like to define a custom variable, assign it to a $var > > and use this variable as attribute for a relay function. In this case > the > > variable would represent a string of an IP-address (e.g. "10.1.1.55"). > > When this would work I only have to adapt the custom variables on top of > > each config script and could let the rest "as it is". > > > > > > First practical tests have shown, that the functions are NOT happy with > these "attributes". It can be used without any problems for if-else- > > statements, but I fear not for functions.... > > > > The practical scenario looks like: > > > > tc.ip11 = "10.16.65.101" desc ""; > > [...] > > route { > > $var(test) = $sel(cfg_get.tc.ip11); > > [...] > > if (!t_relay($var(test), "5061")) > > A workaround for t_relay: > > $du = "sip:"+$var(test)+":5061"; > t_relay(); > > > klaus > > > > [...] > > } > > > > This configuration resulted in following error messages: > > > > <core> [cfg.y:3326]: parse error in config file > /usr/local/etc/kamailio/kamailio.cfg, line 413, column 18-35: syntax error > > <core> [cfg.y:3326]: parse error in config file > /usr/local/etc/kamailio/kamailio.cfg, line 413, column 18-35: call params error#012 > > <core> [cfg.y:3326]: parse error in config file > /usr/local/etc/kamailio/kamailio.cfg, line 413, column 18-35: call params error#012 > > <core> [cfg.y:3326]: parse error in config file > /usr/local/etc/kamailio/kamailio.cfg, line 413, column 38-41: Function parameter with integer > value not allowed#012 > > > > > > Please, could anybody clarify if this should work or not? If not - is > any > > alternative possibility available for "automating" function attributes > > instead of re-writing each function using the same string attribute? > > > > Thanks in advance, > > > > Klaus > > -- GMX DSL: Internet, Telefon und Entertainment für nur 19,99 EUR/mtl.! http://portal.gmx.net/de/go/dsl02

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function calling in the config script with $var() as attribute(s)
by Klaus Feichtinger 24 Feb '10

24 Feb '10

Hello SR-users and -developers, I have the question if parameters for a function in the config script (e.g. "t_relay(host, port)") in general can be set with a variable ($var(xy)). Because of having a set of SIP servers / gateways distributed over a wide area and therefore keeping the configuration as simple as possible, I would like to define a custom variable, assign it to a $var and use this variable as attribute for a relay function. In this case the variable would represent a string of an IP-address (e.g. "10.1.1.55"). When this would work I only have to adapt the custom variables on top of each config script and could let the rest "as it is". First practical tests have shown, that the functions are NOT happy with these "attributes". It can be used without any problems for if-else- statements, but I fear not for functions.... The practical scenario looks like: tc.ip11 = "10.16.65.101" desc ""; [...] route { $var(test) = $sel(cfg_get.tc.ip11); [...] if (!t_relay($var(test), "5061")) [...] } This configuration resulted in following error messages: <core> [cfg.y:3326]: parse error in config file /usr/local/etc/kamailio/kamailio.cfg, line 413, column 18-35: syntax error <core> [cfg.y:3326]: parse error in config file /usr/local/etc/kamailio/kamailio.cfg, line 413, column 18-35: call params error#012 <core> [cfg.y:3326]: parse error in config file /usr/local/etc/kamailio/kamailio.cfg, line 413, column 18-35: call params error#012 <core> [cfg.y:3326]: parse error in config file /usr/local/etc/kamailio/kamailio.cfg, line 413, column 38-41: Function parameter with integer value not allowed#012 Please, could anybody clarify if this should work or not? If not - is any alternative possibility available for "automating" function attributes instead of re-writing each function using the same string attribute? Thanks in advance, Klaus -- Sicherer, schneller und einfacher. Die aktuellen Internet-Browser - jetzt kostenlos herunterladen! http://portal.gmx.net/de/go/chbrowser

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[Kamailio-Users] Kamailio 3.0.0: configuration request regarding VARIABLES usage (custom variables + $var(x))
by Klaus Feichtinger 24 Feb '10

24 Feb '10

Hello Kamailio-3 users, I have two questions regarding usage of variables within the config file (as published in the NEW FEATURES of Kamailio 3.0.0). The reason why I want to use variables instead of standard configuration lines is the maintainability of my SIP servers. I have a group of about 20 sip servers distributed over a wide area. Especially routing rules might change during operation of the servers and must be adapted on all servers. Therefore I want to use variables, defined at the beginning of each config file. Within the config file / the different routing blocks I want to reference to these variables. That would be much easier for automatic config script adaptation with a linux script (e.g.) than parsing the whole config file for special text phrases. QUESTION 1: ========== Is it impossible using a variable for requesting a SRC_IP address? With my current configuration I always see an entry in the SYSLOG that looks as follows: "<core> [route.c:1531]: BUG: comp_ip: invalid type for src_ip or dst_ip (20)" The configuration lines look like: $var(lst_gwIpRange) = "10.16.48.6[0-2]"; [...] if (src_ip=~$var(lst_gwIpRange)) { [...] } Is maybe a transformation missing/necessary to avoid the error message (which causes a malfunction)? Can anybody give me a hint? QUESTION 2: ========== The second problem I found is, that the config variables can be configured within a route block only and not - as expected - e.g. at the top of the config file (in the same way as the custom variables). I can't use the custom variables as they are, because I will use more complex variables, which are a mixture of up to three custom variables. These "complex" variables will be used in more than one routing block. Therefore I have to define these variables in every routing block...... Is an alternative (easier) solution with a single definition available, too? An example of my problem is as follows: # custom variables defined on top of the kamailio.cfg file tst.loc_ipaddr = "10.10.1.1" desc "IP addr of the local SIP Server" tst.loc_prefix = "11" desc "prefix of this SRV" tst.distRu1 = "51[0-9].*" desc "variable representing ID1" # the final variable should look like "sip:1151[0-9].*@10.10.1.1" # and is used in 3 routing blocks route[] $var(test) = "sip:" + $sel(cfg_get.tst.loc_prefix) + $sel(cfg_get.tst.distRu1) + "@" + $sel(cfg_get.tst.loc_ipaddr); [...] route[TEST1] $var(test) = "sip:" + $sel(cfg_get.tst.loc_prefix) + $sel(cfg_get.tst.distRu1) + "@" + $sel(cfg_get.tst.loc_ipaddr); [...] route[TEST2] $var(test) = "sip:" + $sel(cfg_get.tst.loc_prefix) + $sel(cfg_get.tst.distRu1) + "@" + $sel(cfg_get.tst.loc_ipaddr); [...] Thanks in advance for any hints! Regards, Klaus Feichtinger -- Sicherer, schneller und einfacher. Die aktuellen Internet-Browser - jetzt kostenlos herunterladen! http://portal.gmx.net/de/go/atbrowser

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[Kamailio-Users] 3.0.0 and snmpstats
by Kelvin Chua 24 Feb '10

24 Feb '10

hi guys, anybody here tried using snmpstats with 3.0.0? i keep on getting "No such Object" already verified that kamailio is talking to agentx master. net-snmp version 5.3.3 compiled from source also disabled openssl and md5 in net-snmp to prevent any undefined symbols been reading the mailing lists and so far nothing helped. seems like only a couple of guys are using this module? Kelvin Chua

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[Kamailio-Users] Freeing sqlops results
by Alex Balashov 23 Feb '10

23 Feb '10

Should sql_result_free() always be called, no matter what the circumstance, in order to discharge memory allocated to query result sets and/or metadata? Or is it not necessary in certain situations, for example when script is broken via 'exit', i.e. sql_query("db", "SELECT ...", "res"); if(! $dbr(res=>rows)) { # Is it necessary to call sql_result_free() here? sl_send_reply("404", "Not Found"); exit; } Are results implicitly freed at the end of route script execution anyway? Are they tied to transaction persistence in any way? Thanks, -- Alex Balashov - Principal Evariste Systems LLC Tel : +1 678-954-0670 Direct : +1 678-954-0671 Web : http://www.evaristesys.com/

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[Kamailio-Users] Forward calls from Asterisk to SIP provider via Kamailio for termination
by Slot Zero 23 Feb '10

23 Feb '10

Hello, I am a Kamailio noob :). I am trying to get Asterisk to forward calls to my SIP provider via Kamailio. The same machine is running Kamailio and Asterisk. I do not want to consume credentials as they have to be passed on all the way to my SIP provider. There is no NAT of any sorts. SIP Phone/Users connect to Asterisk.I do not need to authenticate when forwarding call from Asterisk to Kamailio as they are both running on the same server but I do need to make sure that Kamailio dials and forwards 011+number to be sent from local host port 5062(Asterisk listener) to SIP provider only. I have 6 Public IP addresses mapped on the server. I want to use the force_send_socket to allow me to change source IP of SIP requests when being sent to the SIP provider on the basis of credentials username in the request. I have pasted my config below. Please tell me what am I doing wrong here. In the kamctlrc file i have SIP_DOMAIN=localhost Thank you #------CONFIG BEGINS------------------ mpath="/lib/kamailio/modules_k/" debug=3 fork=yes children=4 auto_aliases=no alias=localhost alias=192.168.10.1 alias=192.168.10.2 alias=192.168.10.3 alias=192.168.10.4 alias=192.168.10.5 alias=192.168.10.6 disable_tcp=yes loadmodule "sl.so" loadmodule "rr.so" loadmodule "maxfwd.so" loadmodule "/lib/kamailio/modules/tm.so" loadmodule "textops.so" modparam("rr", "enable_full_lr", 1) route { # Sanity Check # ------------ # filter too old messages if (!mf_process_maxfwd_header("10")) { log("LOG: Too many hops\n"); sl_send_reply("483","Too Many Hops"); break; }; if(msg:len>2048) { sl_send_reply("413", "message too large to be forwarded over UDP without fragmentation"); exit; }; # Record Route and NAT Preset # -------------------- if (method != "REGISTER") { record_route(); }; # Loose Route # ----------- if (loose_route()) { route(1); return; }; # Call Type Processing # -------------------- if (uri != myself) { route(1); return; }; if (uri == myself) { if (method == "BYE") { route(4); return; } else if (method == "CANCEL") { route(4); return; } else if (method == "INVITE") { route(3); return; } else if (method == "NOTIFY") { sl_send_reply("200", "Understood"); return; } else if (method == "OPTIONS") { sl_send_reply("200", "Got it"); return; } }; route(1); } # Default Message Handling # ----------------------- route[1] { t_on_reply("1"); if (!t_relay()) { sl_reply_error(); }; } # INVITE Message Handling # ---------------------------------- # ---------------------------------- route[3] { if (uri =~ "^sip:011[0-9]@*") { rewritehostport("sip.voipprovider.com:5060"); if (search("^(Contact|m): .*user01*(a)(127\.0\.0\.1|localhost)")) { force_send_socket(192.168.0.2:5060); }; route(1); return; }; } # CANCEL and BYE Message Handling # ---------------------------------- route[4] { route(1); }

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[Kamailio-Users] Rtpproxy hook
by Vikram Ragukumar 22 Feb '10

22 Feb '10

Hello, I am trying to encrypt/decrypt all packets belonging to an RTP stream. I am using Kamailio v1.5 with rtpproxy, where Kamailio forces the rtpstream through rtpproxy. Does rtpproxy provide a hook so that i can gain access to each RTP packet to perform encryption/decryption ? I do not want to end up having a patch for rtpproxy that i need to update whenever there is a new release of rtpproxy. -- Thanks and Regards, Vikram Ragukumar.

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[Kamailio-Users] Error in Registration with TLS on
by Hemanshu Patel 22 Feb '10

22 Feb '10

Dear friends, Since last few days i am working on Kamailio with TLS support. I had followed each and every steps in installation docs...created certificates as well. Then i started testing the server with TLS on using SIPP. First i didnt added any certificate to SIPP, and Registration wasnt happening... When i added a certificate and key to SIPP....it started working fine....i was been able to test Registrations Successfully. Then i started working with one open source soft phone supporting TLS named mumble. IT Supports. Now i hadnt added any certificate to Mumblem. In my settings of kamailio i have set clietn_verify = 0 and require_client_certificate = 0. So without certificate as well i should be able to Authenticate my self successfully. Instead it gives following error in kamailio log: Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:print_ip: tcpconn_new: new tcp connection to: 172.16.16.218 Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:tcpconn_new: on port 58125, type 3 Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:tls_tcpconn_init: entered: Creating a whole new ssl connection Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:tls_tcpconn_init: looking up socket based TLS server domain [172.16.16.218:5091] Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:tls_find_server_domain: socket based TLS server domain found Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:tls_tcpconn_init: found socket based TLS server domain [172.16.16.218:5091] Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:tls_tcpconn_init: Setting in ACCEPT mode (server) Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:tcpconn_add: hashes: 929, 1 Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:handle_new_connect: new connection: 0x7fd6f4a58208 23 flags: 0002 Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:send2child: to tcp child 0 0(3296), 0x7fd6f4a58208 Feb 22 09:50:51 localhost ./sbin/kamailio[3296]: DBG:core:handle_io: received n=8 con=0x7fd6f4a58208, fd=18 Feb 22 09:50:51 localhost ./sbin/kamailio[3296]: DBG:core:io_watch_add: io_watch_add(0x73a0a0, 18, 2, 0x7fd6f4a58208), fd_no=1 Feb 22 09:50:51 localhost ./sbin/kamailio[3296]: DBG:core:tls_update_fd: New fd is 18 Feb 22 09:50:51 localhost ./sbin/kamailio[3296]: ERROR:core:tls_accept: SSL_accept failed: SSL_ERROR_SSL Feb 22 09:50:51 localhost ./sbin/kamailio[3296]: DBG:core:io_watch_del: io_watch_del (0x73a0a0, 18, -1, 0x10) fd_no=2 called Feb 22 09:50:51 localhost ./sbin/kamailio[3296]: DBG:core:release_tcpconn: releasing con 0x7fd6f4a58208, state -2, fd=18, id=1 Feb 22 09:50:51 localhost ./sbin/kamailio[3296]: DBG:core:release_tcpconn: extra_data 0x7fd6f4a683a0 Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:handle_tcp_child: reader response= 7fd6f4a58208, -2 from 0 Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:tcpconn_destroy: destroying connection 0x7fd6f4a58208, flags 0002 Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:tls_close: closing SSL connection Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:tls_update_fd: New fd is 23 Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:tls_shutdown: shutdown successful Feb 22 09:50:51 localhost ./sbin/kamailio[3300]: DBG:core:tls_tcpconn_clean: Cleanup function entered Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:print_ip: tcpconn_new: new tcp connection to: 172.16.16.218 Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:tcpconn_new: on port 58126, type 3 Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:tls_tcpconn_init: entered: Creating a whole new ssl connection Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:tls_tcpconn_init: looking up socket based TLS server domain [172.16.16.218:5091] Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:tls_find_server_domain: socket based TLS server domain found Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:tls_tcpconn_init: found socket based TLS server domain [172.16.16.218:5091] Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:tls_tcpconn_init: Setting in ACCEPT mode (server) Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:tcpconn_add: hashes: 930, 2 Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:handle_new_connect: new connection: 0x7fd6f4a58208 23 flags: 0002 Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:send2child: to tcp child 0 0(3296), 0x7fd6f4a58208 Feb 22 09:51:01 localhost ./sbin/kamailio[3296]: DBG:core:handle_io: received n=8 con=0x7fd6f4a58208, fd=18 Feb 22 09:51:01 localhost ./sbin/kamailio[3296]: DBG:core:io_watch_add: io_watch_add(0x73a0a0, 18, 2, 0x7fd6f4a58208), fd_no=1 Feb 22 09:51:01 localhost ./sbin/kamailio[3296]: DBG:core:tls_update_fd: New fd is 18 Feb 22 09:51:01 localhost ./sbin/kamailio[3296]: ERROR:core:tls_accept: SSL_accept failed: SSL_ERROR_SSL Feb 22 09:51:01 localhost ./sbin/kamailio[3296]: DBG:core:io_watch_del: io_watch_del (0x73a0a0, 18, -1, 0x10) fd_no=2 called Feb 22 09:51:01 localhost ./sbin/kamailio[3296]: DBG:core:release_tcpconn: releasing con 0x7fd6f4a58208, state -2, fd=18, id=2 Feb 22 09:51:01 localhost ./sbin/kamailio[3296]: DBG:core:release_tcpconn: extra_data 0x7fd6f4a683a0 Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:handle_tcp_child: reader response= 7fd6f4a58208, -2 from 0 Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:tcpconn_destroy: destroying connection 0x7fd6f4a58208, flags 0002 Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:tls_close: closing SSL connection Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:tls_update_fd: New fd is 23 Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:tls_shutdown: shutdown successful Feb 22 09:51:01 localhost ./sbin/kamailio[3300]: DBG:core:tls_tcpconn_clean: Cleanup function entered And in Mumble soft phone log it gives me following Error: [9:50 AM] Welcome to Mumble. [9:50 AM] Server connection failed: Error during SSL handshake: error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure. [9:51 AM] Reconnecting. [9:51 AM] Server connection failed: Error during SSL handshake: error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure. [9:51 AM] Reconnecting. [9:51 AM] Server connection failed: Error during SSL handshake: error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure. [9:51 AM] Reconnecting. [9:51 AM] Server connection failed: Error during SSL handshake: error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure. Can any one suggest what could be the problem? My Server works great with SIPP with TLS....so i dont think theres any config related error and i have set client_require_certificate = 0 thats for sure.... In real life scenario, hard or soft phones wont have certificates...so they should be able to connect to server and authenticate/Authorize themselves if server has valid certificate.But its not happening. So i need help from experienced guys.... -- Regards, Hemanshu Patel M: 09601295238

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[Kamailio-Users] acc
by Anders 22 Feb '10

22 Feb '10

Hi, Probably a simpel fix some...not for me ;-) I get this here below in the log when I try to start Kamailio on a new installation. I suspect something is wrong with the acc module. What I read elsewhere is that it needs to recompile... - could that be, and if so, how would I recompile only a module? Thanks!! //Anders Feb 19 07:52:12 vn1031 kamailio: ERROR:core:set_mod_param_regex: parameter <radius_config> not found in module <acc> Feb 19 07:52:12 vn1031 kamailio: CRITICAL:core:yyerror: parse error in config file, line 140, column 25-26: Can't set module parameter Feb 19 07:52:12 vn1031 kamailio: ERROR:core:set_mod_param_regex: parameter <radius_flag> not found in module <acc> Feb 19 07:52:12 vn1031 kamailio: CRITICAL:core:yyerror: parse error in config file, line 141, column 27-28: Can't set module parameter Feb 19 07:52:12 vn1031 kamailio: ERROR:core:set_mod_param_regex: parameter <radius_missed_flag> not found in module <acc> Feb 19 07:52:12 vn1031 kamailio: CRITICAL:core:yyerror: parse error in config file, line 142, column 20-21: Can't set module parameter Feb 19 07:52:12 vn1031 kamailio: ERROR:core:set_mod_param_regex: parameter <radius_extra> not found in module <acc> Feb 19 07:52:12 vn1031 kamailio: CRITICAL:core:yyerror: parse error in config file, line 157, column 2-3: Can't set module parameter Feb 19 07:52:12 vn1031 kamailio: ERROR:core:main: bad config file (4 errors)

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