sr-users November 2003

sr-users@lists.kamailio.org

116 participants
267 discussions

[Serusers] hi
by Evgeniy 24 Nov '03

24 Nov '03

Hi all, i have problem to start 0.8.11 SER on OpenBSD 3.4, after install port run ser report errors: ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'mem_lock' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'mem_lock' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'process_no' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'process_no' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'mem_block' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'mem_block' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'dont_fork' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'dont_fork' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'tcp_disable' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'tcp_disable' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'sock_no' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'sock_no' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'debug' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'debug' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'fifo' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'fifo' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'prev_ser_error' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'prev_ser_error' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'children_no' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'children_no' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'sock_info' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'sock_info' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'reply_to_via' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'reply_to_via' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'log_stderr' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'log_stderr' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'shm_block' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'shm_block' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'tcp_children_no' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'tcp_children_no' ./ser:/usr/local/lib/ser/modules/sl.so: undefined symbol 'timer_list' ./ser: /usr/local/lib/ser/modules/sl.so: can't resolve reference 'timer_list' how i can fix this problem ?

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[Serusers] rtpproxy for private networks without NAT and way outside
by Gregory Sandul 24 Nov '03

24 Nov '03

Hi. Assume I have phones in private network 10.0.0.0/24. There is no NAT server in this network, no default gateway, no way to outside world (except SER). The only server phones "know" about is SER. SER has 2 NIC's one in 10.0.0.0/24 network ip 10.0.0.17 and other in "real" word 201.0.X.X/24. There are some phones (or may be SIP servers) in "real" world. I want to force rtpproxy for outside world and do not for private networks. I made some test and it fails. If I contact from private network to outside world the Via message contains private SER ip 10.0.0.17 and phone which I need to contact does not know how to contact SER. Also contact in SDP message contains private ser IP 10.0.0.17 because I have forced rtpproxy. As I understand, it it necessary to modify SDP and SIP messages (contact and Via) in a config script while processing requestst after forcing rtpproxy. Is it possible? May be I missed something, but I have not founded such functions. Regards, Greg. __________________________________ Do you Yahoo!? Free Pop-Up Blocker - Get it now http://companion.yahoo.com/

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RE: [Serusers] db_use_table not found | FreeRadius
by dhiraj.2.bhuyan＠bt.com 24 Nov '03

24 Nov '03

Problem resolved by including the dbtext module. Thanks, Dhiraj -----Original Message----- From: dhiraj.2.bhuyan(a)bt.com [mailto:dhiraj.2.bhuyan@bt.com] Sent: 24 November 2003 11:20 To: serusers(a)lists.iptel.org Subject: [Serusers] db_use_table not found | FreeRadius Hello List, I am getting an "<~db_use_table> not found" error while trying to use SER with freeradius. The radiusclient and freeradius server are properly configured (tested freeradius with radiusclient as per the SER RADIUS Howto doc). I am using ser-0.8.11, freeradius-0.9.3 and radiusclient-0.3.2. SER error log below and ser.cfg attached. Any help will be greatly appreciated. ------------------------------------------------- 0(25602) find_export: found <sl_send_reply> in module sl_module [/usr/local/lib/ser/modules/sl.so] 0(25602) DEBUG: init_mod: auth_db 0(25602) auth_db module - initializing 0(25602) find_export: <~db_use_table> not found 0(25602) mod_init(): Unable to bind database module 0(25602) init_mod(): Error while initializing module auth_db ERROR: error while initializing modules ------------------------------------------------- Thanks, Dhiraj Bhuyan Security Research Engineer BT Exact Tel: +44 1473 643932 Mob: +44 7962 012145 Email: dhiraj.2.bhuyan(a)bt.com

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[Serusers] db_use_table not found | FreeRadius
by dhiraj.2.bhuyan＠bt.com 24 Nov '03

24 Nov '03

Hello List, I am getting an "<~db_use_table> not found" error while trying to use SER with freeradius. The radiusclient and freeradius server are properly configured (tested freeradius with radiusclient as per the SER RADIUS Howto doc). I am using ser-0.8.11, freeradius-0.9.3 and radiusclient-0.3.2. SER error log below and ser.cfg attached. Any help will be greatly appreciated. ------------------------------------------------- 0(25602) find_export: found <sl_send_reply> in module sl_module [/usr/local/lib/ser/modules/sl.so] 0(25602) DEBUG: init_mod: auth_db 0(25602) auth_db module - initializing 0(25602) find_export: <~db_use_table> not found 0(25602) mod_init(): Unable to bind database module 0(25602) init_mod(): Error while initializing module auth_db ERROR: error while initializing modules ------------------------------------------------- Thanks, Dhiraj Bhuyan Security Research Engineer BT Exact Tel: +44 1473 643932 Mob: +44 7962 012145 Email: dhiraj.2.bhuyan(a)bt.com

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[Serusers] nathelper error
by Olah Istvan 24 Nov '03

24 Nov '03

Hi! I have the following configuration: ---------------- ------------ ----------- | PSTN-Gateway |--------|1. 2.|-------| Clients | ---------------- ------------ ----------- | internet | local NAT Ser 0.8.12 runs only on the 2. interface. My configuration is: # ------------------------- request routing logic ------------------- # main routing logic route{ if (!mf_process_maxfwd_header("10")) { log(1, " Too many hops!"); sl_send_reply("483","Too Many Hops"); break; }; if ( msg:len > max_len ) { log(1, " Message too big!"); sl_send_reply("513", "Message too big"); break; }; record_route(); if (uri==myself) { if (method=="REGISTER") { save("location"); break; }; if (!lookup("location")) { #if it is a call to PSTN then forwad it to the #gateway if (uri=~"sip:0\+?[0-9]+@.*") { rewritehostport("152.66.244.200:5060"); force_rtp_proxy(); t_on_reply("1"); if (!t_relay()) { sl_reply_error(); }; break; }; sl_send_reply("404", "Not Found"); break; }; }; if (!t_relay()) { sl_reply_error(); }; } onreply_route[1] { if (status=~"[12][0-9][0-9]") force_rtp_proxy(); } #--------------------------------------------------------------------- When initiating a call from the client to the PSTN I get the following error: ERROR: extract_mediaip: no 'c=' in SDP But when I watch the incoming INVITE packet with tcpdump, I can see the connection information. Thx oli

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[Serusers] accounting problems: no stop record
by Geert Nijpels 24 Nov '03

24 Nov '03

Hello all, I'm trying to get accounting working, but I don't seem to get any stop records in the database. However, when I tell ser to log to syslog, I do get the STOP records. The only thing I come by when searching the archives is to be sure that the loose_route() is after the setflag. I log incoming invite's and bye's to stderror, and I see them coming by: **** 0(14598) looking up aliases 0(14598) **** time [Fri Nov 21 13:22:50 2003] method <INVITE> Setting acc flags **** 0(14598) Setting accounting flag 0(14598) Setting missed calls flag 0(14598) **** time [Fri Nov 21 13:22:50 2003] method <INVITE> r-uri <8910(a)ams-ix.net;user=phone> IP: <193.194.136.248> - t-uri <sip:8910@ams-ix.net;user=phone> **** 0(14598) looking up aliases 0(14598) **** time [Fri Nov 21 13:22:55 2003] method <ACK> r-uri <8910@193.194.136.225:5060> IP: <193.194.136.248> - t-uri <sip:8910@ams-ix.net;user=phone> **** 0(14598) looking up aliases 0(14598) **** time [Fri Nov 21 13:23:02 2003] method <BYE> Setting acc flags **** 0(14598) Setting accounting flag 0(14598) Setting missed calls flag 0(14598) **** time [Fri Nov 21 13:23:02 2003] method <BYE> r-uri <8910@193.194.136.225:5060> IP: <193.194.136.248> - t-uri <sip:8910@ams-ix.net;user=phone> **** Also, the INVITE is inserted into the database, but the BYE not. When I change "db_flag" to "log_flag" and change log_stderror=yes to log_stderror=no, I do see the BYE ACC antries in the syslog. I do not see errors int he mysql log file. No obvious errors when viewing debug=7. Running: ser 0.8.11 Mysql 4.x I hope for a few suggestions:-) My config is pasted in below. Kind regards, Geert ---------- Config: # ----------- global configuration parameters ------------------------ #debug=3 # debug level (cmd line: -dddddddddd) #fork=yes #log_stderror=no # (cmd line: -E) debug=3 fork=no log_stderror=yes check_via=no # (cmd. line: -v) dns=no # (cmd. line: -r) rev_dns=no # (cmd. line: -R) port=5060 #children=4 fifo="/tmp/ser_fifo" listen="colo.jink.net" alias="ams-ix.net" # ------------------ module loading ---------------------------------- loadmodule "/usr/lib/ser/modules/mysql.so" loadmodule "/usr/lib/ser/modules/sl.so" loadmodule "/usr/lib/ser/modules/tm.so" loadmodule "/usr/lib/ser/modules/rr.so" loadmodule "/usr/lib/ser/modules/maxfwd.so" loadmodule "/usr/lib/ser/modules/usrloc.so" loadmodule "/usr/lib/ser/modules/registrar.so" loadmodule "/usr/lib/ser/modules/xlog.so" loadmodule "/usr/local/lib/ser/modules/textops.so" loadmodule "/usr/lib/ser/modules/acc.so" loadmodule "/usr/lib/ser/modules/auth.so" loadmodule "/usr/lib/ser/modules/auth_db.so" # ----------------- setting module-specific parameters --------------- ### Set up parameters for database lookups modparam("usrloc|auth_db|group|acc", "db_url", "sql://xxxx:xxxx@localhost/ser") ### mode 1: direct writing to database ### mode 2: buffered writing to database modparam("usrloc", "db_mode", 1) # -- auth_db params -- ### Enable encrypted database authentication modparam("auth_db", "calculate_ha1", yes) modparam("auth_db", "password_column", "password") # -- acc params -- ### For acc Database support, uncomment: DEFS+=-DSQL_ACC in ### sip_router/modules/acc/Makefile and recompile ### Set up missed call logging modparam("acc", "db_missed_flag", 3) modparam("acc", "db_flag", 1 ) modparam("acc", "log_level", 1) # -- rr params -- # add value to ;lr param to make some broken UAs happy modparam("rr", "enable_full_lr", 1) # ------------------------- request routing logic ------------------- route{ if (method=="INVITE" || method=="BYE"){ ## Accounting for all calls xlog("L_INFO", "\n****\n time [%Tf] method <%rm> Setting acc flags ****\n"); log(1, "Setting accounting flag\n"); setflag(1); ## Accounting for "missed calls" log(1, "Setting missed calls flag"); setflag(3); }; ## Log the request: xlog("L_INFO", "\n****\n time [%Tf] method <%rm> r-uri <%ru>\n IP: <%is> - t-uri <%tu>\n\n****\n"); # initial sanity checks -- messages with # max_forwards==0, or excessively long requests if (!mf_process_maxfwd_header("10")) { sl_send_reply("483","Too Many Hops"); break; }; if (len_gt( max_len )) { sl_send_reply("513", "Message too big"); break; }; # Load aliases in memory log(1, "looking up aliases\n"); lookup("aliases"); # loose-route processing #if (loose_route()) { # t_relay(); # break; #}; # if the request is for other domain use UsrLoc # (in case, it does not work, use the following command # with proper names and addresses in it) if (uri==myself) { if (method=="REGISTER") { if (!www_authorize("ams-ix.net", "subscriber")) { www_challenge("ams-ix.net", "0"); break; }; save("location"); break; }; # native SIP destinations are handled using our USRLOC DB if (!lookup("location")) { if ((method=="INVITE" || method=="ACK") && t_newtran()) { t_reply("404", "Not Found"); #log(1, "Log missed call"); break; }; sl_send_reply("404", "Not Found"); break; }else{ if (!t_relay()) { sl_reply_error(); }; }; }; }

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[Serusers] SIP Diversion INVITE Messages
by Stephen Miles 24 Nov '03

24 Nov '03

Hi all, We have successfully managed to get Ser to act as a proxy between our backend SIP service and clients out on the Internet using the nathelper modules and RTP proxying. However, one of the features of our SIP service allows you to dial a number via a web interface. This appears to work by sending an INVITE from the SIP service out to the IP phone using the 'Diversion' and follow-me directives. The problem we appear to be having is that the RTP information is setup not in the INVITE but rather in an OK status message returned when we pick up the phone to dial out. From what I understand Ser does not look inside Status messages but only in the initial INVITE, hence when we use the web interface to dial out the SDP location is not being altered to point at our Ser proxy and therefore the RTP is not being proxied as we want. We have tried various things but the issue appears to be that Ser will not look inside OK replies to INVITE's. We might be misunderstanding things here??? By the way all SIP messages are going through the proxy as desired... The only issue we have is with the RTP traffic. Can anybody help us understand how to get around this problem (if in fact it is possible to get around it using Ser) Cheers, Steve ----------------------------------------------------------------------------------------------- This message and any attachments contain privileged and confidential information. If you are not the intended recipient of this message, you are hereby notified that any use, dissemination, distribution or reproduction of this message is prohibited. If you have received this message in error please notify the sender immediately via email and then destroy this message and any attachments.

3 2

[Serusers] Unresolvable destination
by Shirley Toh 24 Nov '03

24 Nov '03

Hi, I have problem registering my softphone to the SIP proxy using my domain name(e.g abc.com). Using IP address, I am able to access, do anyone have a sample of the zone file of the DNS server. Thank you in advance. regards, Shirley

1 0

[Serusers] No Credentials when using radius group check
by Axel Böger 24 Nov '03

24 Nov '03

Hi all, I try to use radius for user authorization and group checking. But it seems that the group_radius module find no credentials for the user, even if it is authorized by module auth_radius. Actually I use ser 0.8.11 without a mysql-db. The actual config is below. Thanks, Axel # ----------- global configuration parameters ------------------------ #debug=3 # debug level (cmd line: -dddddddddd) #fork=yes #log_stderror=no # (cmd line: -E) /* Uncomment these lines to enter debugging mode debug=7 fork=yes log_stderror=no */ check_via=no # (cmd. line: -v) dns=no # (cmd. line: -r) rev_dns=no # (cmd. line: -R) #port=5060 #children=4 fifo="/tmp/ser_fifo" # ------------------ module loading ---------------------------------- # Uncomment this if you want to use SQL database #loadmodule "/usr/lib/ser/modules/mysql.so" loadmodule "/usr/lib/ser/modules/sl.so" loadmodule "/usr/lib/ser/modules/tm.so" loadmodule "/usr/lib/ser/modules/rr.so" loadmodule "/usr/lib/ser/modules/maxfwd.so" loadmodule "/usr/lib/ser/modules/usrloc.so" loadmodule "/usr/lib/ser/modules/registrar.so" # Uncomment this if you want digest authentication # mysql.so must be loaded ! loadmodule "/usr/lib/ser/modules/mysql.so" loadmodule "/usr/lib/ser/modules/auth.so" #loadmodule "/usr/lib/ser/modules/auth_db.so" loadmodule "/usr/lib/ser/modules/textops.so" #loadmodule "/usr/lib/ser/modules/acc.so" loadmodule "/usr/lib/ser/modules/auth_radius.so" loadmodule "/usr/lib/ser/modules/group_radius.so" # ----------------- setting module-specific parameters --------------- # -- usrloc params -- #modparam("usrloc", "db_mode", 0) # Uncomment this if you want to use SQL database # for persistent storage and comment the previous line modparam("usrloc", "db_mode", 0) # -- auth params -- # Uncomment if you are using auth module # #modparam("auth_db", "calculate_ha1", yes) # # If you set "calculate_ha1" parameter to yes (which true in this config), # uncomment also the following parameter) # #modparam("auth_db", "password_column", "password") # -- rr params -- # add value to ;lr param to make some broken UAs happy #modparam("rr", "enable_full_lr", 1) # -- acc params -- # set the reporting log level #modparam("acc", "log_level", 1) # number of flag, which will be used for accounting; if a message is # labeled with this flag, its completion status will be reported #modparam("acc", "log_flag", 1 ) modparam("auth_radius", "radius_config","/etc/radiusclient/radiusclient.conf") modparam("group_radius", "radius_config","/etc/radiusclient/radiusclient.conf") modparam("auth_radius", "service_type", 15) modparam("rr", "enable_full_lr", 1) # ------------------------- request routing logic ------------------- # main routing logic route{ # initial sanity checks -- messages with # max_forwards==0, or excessively long requests if (!mf_process_maxfwd_header("10")) { sl_send_reply("483","Too Many Hops"); break; }; if (len_gt( max_len )) { sl_send_reply("513", "Message too big"); break; }; # we record-route all messages -- to make sure that # subsequent messages will go through our proxy; that's # particularly good if upstream and downstream entities # use different transport protocol record_route(); # loose-route processing if (loose_route()) { t_relay(); break; }; # if the request is for other domain use UsrLoc # (in case, it does not work, use the following command # with proper names and addresses in it) if (uri==myself) { if (method=="REGISTER") { if (!radius_www_authorize("")) { www_challenge("", "1"); break; }; save("location"); break; }; if (uri=~"^sip:0[0-9]*@fn-sip.mcbone.net") { log("Check group\n"); if (!radius_is_user_in("credentials", "pstn")) { sl_send_reply("403", "no PSTN authorization"); break; }; log("Forwarding to PSTN\n"); ## registered in our realm rewritehostport("62.104.210.134:5060"); t_relay_to_udp ("62.104.210.134", "5060"); break; }; # native SIP destinations are handled using our USRLOC DB if (!lookup("location")) { sl_send_reply("404", "Not Found"); break; }; }; # forward to current uri now; use stateful forwarding; that # works reliably even if we forward from TCP to UDP if (!t_relay()) { sl_reply_error(); }; # forward the request to all destinations in destination set now t_relay(); }

2 1

[Serusers] Source address of requests?
by Tristan Colgate 24 Nov '03

24 Nov '03

Hi, My ser proxy is sitting between two networks with an interface on each, the back end is on an rfc1918 range and the front end is on an internet routeable address range. I'm doing some rewriting of address to relay anything for **XXXXXX(a)thisdomain.com to XXXX(a)thatdomain.com as fwd does. The problem I have is that if a requests comes in on the private interface, the address gets stripped and rewritten properly and the request goes out, but the source address of the INVITE (as in the ip source address) is of the private interface that the packet came in on. It's therefore being dropped by my ISP, and wouldn't be any good anyway even if it wasn't. I have a record-route at the beginning of the script which is also recording the wrong address but then that makes sense and is jsut a problem with my script. So is ser using the source address recorded by record route, and how can I work round this? -- Tristan Colgate Inux Technologies E-Mail: tristan(a)inuxtech.co.uk Mobile: 07900 690 912

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sr-users November 2003