[Kamailio-Users] problem with fix_nated_register() function

Fabian Borot fborot at hotmail.com
Tue Nov 11 22:49:10 CET 2008








Hello, I am having probs with the fix_nated_register() function, I still see the private IP, even thought the nat_uac_test(31) shows the user behind a NAT

This is the REGISTER section in kamailio.cfg:

if (method=="REGISTER") {
                        xlog("L_INFO","mylog: starting to process REGISTER.Info: [$au].\n");
                        if (!www_authorize("", "subscriber")) {
                                xlog("L_INFO","mylog: REGISTER came without auth, sending challenge.\n");
                                www_challenge("", "0");
                                exit;
                        };
                        if (nat_uac_test("31")){
                                xlog("L_INFO","mylog: Device behind NAT.\n");
                                fix_nated_register();
                                force_rport();
                        }
                        save("location");
                        xlog("L_INFO","mylog: save-location successful.\n");
                        exit;


this is the debug log [level 6], it shows the via with a public IP 





Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: mylog: starting to process REGISTER.Info: [100]. 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:auth:check_nonce: comparing [491a03a9000000041ba5231fd93870c44415f01d1a0d1963] and [491a03a9000000041ba5231fd93870c44415f01d1a0d1963] 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:core:db_new_result: allocate 28 bytes for result set at 0x81ab8a0 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:db_mysql:db_mysql_get_columns: 1 columns returned from the query 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:core:db_allocate_columns: allocate 4 bytes for result names at 0x81a7288 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:core:db_allocate_columns: allocate 4 bytes for result types at 0x81a7258 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:db_mysql:db_mysql_get_columns: allocate 8 bytes for RES_NAMES[0] at 0x81a7268 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:db_mysql:db_mysql_get_columns: RES_NAMES(0x81a7268)[0]=[password] 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:db_mysql:db_mysql_get_columns: use DB_STRING result type 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:db_mysql:db_mysql_convert_rows: allocate 8 bytes for rows at 0x81a7278 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:db_mysql:db_mysql_convert_row: allocate 20 bytes for row values at 0x81ab880 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:db_mysql:db_mysql_str2val: converting STRING [100] 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:auth_db:get_ha1: HA1 string calculated: e8f9a8a478e49a182e9cceeb3e43277f 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:auth:check_response: our result = '84a320db7e04e3ddd3ef84a5173187cd' 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:auth:check_response: authorization is OK 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:auth:post_auth: nonce index= 4 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:core:db_free_columns: freeing 1 columns 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:core:db_free_columns: freeing RES_NAMES[0] at 0x81a7268 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:core:db_free_columns: freeing result names at 0x81a7288 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:core:db_free_columns: freeing result types at 0x81a7258 
Nov 11 17:09:04 sp1094a ../../sbin/kamailio[14219]: DBG:core:db_free_rows: freeing 1 rows 
Nov 11 17:09:05 sp1094a ../../sbin/kamailio[14219]: DBG:core:db_free_row: freeing row values at 0x81ab880 
Nov 11 17:09:05 sp1094a ../../sbin/kamailio[14219]: DBG:core:db_free_rows: freeing rows at 0x81a7278 
Nov 11 17:09:05 sp1094a ../../sbin/kamailio[14219]: DBG:core:db_free_result: freeing result set at 0x81ab8a0 
Nov 11 17:09:05 sp1094a ../../sbin/kamailio[14219]: DBG:core:check_via_address: params 204.9.239.67, 192.168.1.108, 0 
Nov 11 17:09:05 sp1094a ../../sbin/kamailio[14219]: mylog: Device behind NAT. 
Nov 11 17:09:05 sp1094a ../../sbin/kamailio[14219]: DBG:core:parse_headers: flags=ffffffffffffffff 
Nov 11 17:09:05 sp1094a ../../sbin/kamailio[14219]: DBG:core:parse_headers: flags=8000000 
Nov 11 17:09:05 sp1094a ../../sbin/kamailio[14219]: DBG:registrar:build_contact: created Contact HF: Contact: <sip:100 at 192.168.1.108  7566;rinstance=89990b40ab560825>;expires=3341, <sip:100 at 192.168.1.108:44568;rinstance=f0942ae1a596ea83>;expires=3597
Nov 11 17:09:05 sp1094a ../../sbin/kamailio[14219]: DBG:core:parse_headers: flags=ffffffffffffffff 
Nov 11 17:09:05 sp1094a ../../sbin/kamailio[14219]: DBG:core:check_via_address: params 204.9.239.67, 192.168.1.108, 0 
Nov 11 17:09:05 sp1094a ../../sbin/kamailio[14219]: mylog: save-location successful. 
Nov 11 17:09:05 sp1094a ../../sbin/kamailio[14219]: DBG:core:destroy_avp_list: destroying list 0xb60e11c0 
Nov 11 17:09:05 sp1094a ../../sbin/kamailio[14219]: DBG:core:receive_msg: cleaning up 


and this is how the AOR is stored in the location db [ private IP]



[root at sp1094a kamailio]# ../../sbin/kamctl ul show
database engine 'MYSQL' loaded
Control engine 'FIFO' loaded
entering fifo_cmd ul_dump
Domain:: location table=512 records=1 max_slot=1
        AOR:: 100
                Contact:: sip:100 at 192.168.1.108:44568;rinstance=f0942ae1a596ea83 Q=
                        Expires:: 3365
                        Callid:: 7a32d234b04d4b69M2IzODRhODkwM2M5NTM0MzUwMGM4ODY3NTgzYzFjMmE.
                        Cseq:: 2
                        User-agent:: eyeBeam release 1003l stamp 30937
                        State:: CS_SYNC
                        Flags:: 0
                        Cflag:: 0
                        Socket:: udp:65.111.185.187:5060
                        Methods:: 5951
FIFO command was:
:ul_dump:openser_receiver_14270
[root at sp1094a kamailio]# 



Am I missing something?

Thanks in advance

Fabian
 



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