[sr-dev] git:master: ims_usrloc_pcscf: Add option, to disable the "received check" upon lookup.
Klaus Darilion
klaus.mailinglists at pernau.at
Wed Jun 11 17:52:53 CEST 2014
Is IMS supposed to work with NAT? AFAIK it uses IPsec and I wonder how
it should work with NAT?
regards
Klaus
Am 09.06.2014 00:06, schrieb Carsten Bock:
> Absolutely! The current implementation does not work with NAT... :-(
>
> From Syslog:
> Jun 9 00:02:48 voiceblue-2 /usr/sbin/kamailio[73629]: DEBUG:
> ims_usrloc_pcscf [usrloc.c:114]: get_aor_hash(): using host in lookup
> [192.168.178.23]
> Jun 9 00:02:48 voiceblue-2 /usr/sbin/kamailio[73629]: DEBUG:
> ims_usrloc_pcscf [udomain.c:473]: get_pcontact(): Searching for
> contact in P-CSCF usrloc
> [sip:4989200011250 at 192.168.178.23:1024;alias=92.225.199.53~1024~1;line=nnh95z41]
> Jun 9 00:02:48 voiceblue-2 /usr/sbin/kamailio[73629]: DEBUG:
> ims_usrloc_pcscf [udomain.c:481]: get_pcontact(): Searching for
> [sip:4989200011250 at 192.168.178.23:1024;alias=92.225.199.53~1024~1;line=nnh95z41]
> and comparing to
> [sip:4989200011250 at 192.168.178.23:1024;alias=92.225.215.38~1024~1;line=nnh95z41]
> Jun 9 00:02:48 voiceblue-2 /usr/sbin/kamailio[73629]: DEBUG:
> ims_registrar_pcscf [service_routes.c:154]: getContactP(): Received
> host len 13 (search 13)
> Jun 9 00:02:48 voiceblue-2 /usr/sbin/kamailio[73629]: DEBUG:
> ims_registrar_pcscf [service_routes.c:159]: getContactP(): Received
> host 92.225.215.38 (search 92.225.199.53)
> Jun 9 00:02:48 voiceblue-2 /usr/sbin/kamailio[73629]: WARNING:
> ims_registrar_pcscf [service_routes.c:176]: getContactP(): Contact not
> found based on Contact-header, trying IP/Port/Proto
> Jun 9 00:02:48 voiceblue-2 /usr/sbin/kamailio[73629]: DEBUG:
> ims_usrloc_pcscf [usrloc.c:114]: get_aor_hash(): using host in lookup
> [92.225.199.53]
> Jun 9 00:02:48 voiceblue-2 /usr/sbin/kamailio[73629]: DEBUG:
> ims_registrar_pcscf [service_routes.c:180]: getContactP(): No entry in
> usrloc for 92.225.199.53:1024 (Proto 1) found!
>
> I have to find a better way, to deal with NAT. I will continue working
> on this on tuesday...
>
> Thanks,
> Carsten
>
>
> 2014-06-08 21:30 GMT+02:00 Jason Penton <jason.penton at gmail.com>:
>> You battling with nat?
>>
>> On 6 Jun 2014 19:10, "Carsten Bock" <carsten at ng-voice.com> wrote:
>>> Module: sip-router
>>> Branch: master
>>> Commit: a9155e4c73d533d0837bfd480ff7d838d18dc995
>>> URL:
>>> http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=a9155e4c73d533d0837bfd480ff7d838d18dc995
>>>
>>> Author: Carsten Bock <carsten at ng-voice.com>
>>> Committer: Carsten Bock <carsten at ng-voice.com>
>>> Date: Fri Jun 6 19:09:55 2014 +0200
>>>
>>> ims_usrloc_pcscf: Add option, to disable the "received check" upon lookup.
>>>
>>> ---
>>>
>>> .../doc/ims_usrloc_pcscf_admin.xml | 27
>>> ++++++++++++++++++++
>>> modules/ims_usrloc_pcscf/udomain.c | 3 +-
>>> modules/ims_usrloc_pcscf/ul_mod.c | 4 +++
>>> 3 files changed, 33 insertions(+), 1 deletions(-)
>>>
>>> diff --git a/modules/ims_usrloc_pcscf/doc/ims_usrloc_pcscf_admin.xml
>>> b/modules/ims_usrloc_pcscf/doc/ims_usrloc_pcscf_admin.xml
>>> index 43c91f8..2bdb7c1 100644
>>> --- a/modules/ims_usrloc_pcscf/doc/ims_usrloc_pcscf_admin.xml
>>> +++ b/modules/ims_usrloc_pcscf/doc/ims_usrloc_pcscf_admin.xml
>>> @@ -204,6 +204,33 @@ modparam("ims_usrloc_pcscf", "hashing_type", 1)
>>> </programlisting>
>>> </example>
>>> </section>
>>> + <section>
>>> + <title>lookup_check_received (int)</title>
>>> +
>>> + <para>If set to 1 (default), the Host in the contact will be
>>> checked
>>> + against the Host, from which the request was received.</para>
>>> +
>>> + <itemizedlist>
>>> + <listitem>
>>> + <para>0 - Upon lookup, do not check the host against
>>> received.</para>
>>> + </listitem>
>>> +
>>> + <listitem>
>>> + <para>1 - Compare the host in the contact against the received
>>> info.</para>
>>> + </listitem>
>>> + </itemizedlist>
>>> +
>>> + <para><emphasis>Default value is 1.</emphasis></para>
>>> +
>>> + <example>
>>> + <title>Set lookup_check_received parameter</title>
>>> +
>>> + <programlisting format="linespecific">...
>>> +modparam("ims_usrloc_pcscf", "lookup_check_received", 0)
>>> +...
>>> +</programlisting>
>>> + </example>
>>> + </section>
>>> </section>
>>>
>>> <section>
>>> diff --git a/modules/ims_usrloc_pcscf/udomain.c
>>> b/modules/ims_usrloc_pcscf/udomain.c
>>> index d655dea..e19b0f4 100644
>>> --- a/modules/ims_usrloc_pcscf/udomain.c
>>> +++ b/modules/ims_usrloc_pcscf/udomain.c
>>> @@ -63,6 +63,7 @@
>>>
>>> extern int db_mode;
>>> extern unsigned int hashing_type;
>>> +extern int lookup_check_received;
>>>
>>> #ifdef STATISTICS
>>> static char *build_stat_name( str* domain, char *var_name)
>>> @@ -471,7 +472,7 @@ int get_pcontact(udomain_t* _d, str* _contact, struct
>>> pcontact** _c) {
>>> _contact->len,
>>> _contact->s);
>>>
>>> - if ((c->aorhash == aorhash) && (c->aor.len ==
>>> _contact->len)
>>> + if (lookup_check_received && (c->aorhash == aorhash) &&
>>> (c->aor.len == _contact->len)
>>> && !memcmp(c->aor.s, _contact->s,
>>> _contact->len)) {
>>> *_c = c;
>>> return 0;
>>> diff --git a/modules/ims_usrloc_pcscf/ul_mod.c
>>> b/modules/ims_usrloc_pcscf/ul_mod.c
>>> index 998d4bc..d9e2b08 100644
>>> --- a/modules/ims_usrloc_pcscf/ul_mod.c
>>> +++ b/modules/ims_usrloc_pcscf/ul_mod.c
>>> @@ -85,6 +85,8 @@ int db_mode = 0;
>>> /*!< Database sync scheme: 0-no db, 1-write throug
>>> int ul_fetch_rows = 2000;
>>> int hashing_type = 0;
>>> /*!< has type for storing P-CSCF contacts - 0 - use full contact AOR, 1 -
>>> use IP:PORT only */
>>>
>>> +int lookup_check_received = 1;
>>> /*!< Should we check received on lookup?
>>> +
>>> db1_con_t* ul_dbh = 0;
>>> db_func_t ul_dbf;
>>>
>>> @@ -109,6 +111,8 @@ static param_export_t params[] = {
>>> {"timer_interval", INT_PARAM, &timer_interval },
>>> {"db_mode", INT_PARAM, &db_mode },
>>> {"hashing_type", INT_PARAM, &hashing_type },
>>> + {"lookup_check_received", INT_PARAM,
>>> &lookup_check_received },
>>> +
>>> {0, 0, 0}
>>> };
>>>
>>>
>>>
>>> _______________________________________________
>>> sr-dev mailing list
>>> sr-dev at lists.sip-router.org
>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
>>
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