Re: [Seagull-users] Seagull Diameter does not understand zero data AVP?

[Taisto T. <go...@gm...>]

Ugh

How did the re-look go?

-Tatu

Srivastava, Anuj Kumar (CMS) wrote:
>  Hello ,
> Unfortunately I didn't have time to investigate this.
> I will have a re-look .
>
> Anuj
>
>
>
> -----Original Message-----
> From: Taisto Tammi [mailto:go...@gm...] 
> Sent: Friday, September 18, 2009 3:04 PM
> To: Srivastava, Anuj Kumar (CMS)
> Cc: gul...@li...
> Subject: Re: [Seagull-users] Seagull Diameter does not understand zero data AVP?
>
> Ugh
>
> Do not want to make unnecessary hassle but this discussion did seems to stop. Would it be possible to know is this considered a bug or is it "feature" in seagull? If it is a bug could it be fixed in some time frame?
>
> -Tatu
>
> Taisto Tammi wrote:
>   
>> Ugh
>>
>> Failed-AVP is defined in the following way:
>>
>>    <define name="Failed-AVP" type="Grouped">
>>       <setfield name="avp-code" value="279"></setfield>
>>       <setfield name="flags" value="64"></setfield>
>>     </define>
>>
>> The Called-Station-ID is defined in following way:
>>    <define name="Called-Station-Id" type="OctetString">
>>       <setfield name="avp-code" value="30"></setfield>
>>       <setfield name="flags" value="64"></setfield>
>>     </define>
>>
>> And OctetString and Grouped are defined like this:
>> <typedef name="OctetString" type="string" size="4" unit="octet"> 
>> </typedef> <typedef name="Grouped" type="grouped"></typedef>
>>
>> Just trying to provide all the information that might be related to 
>> the issue. Hope it helps.
>>
>> -Tatu
>>
>> Srivastava, Anuj Kumar (CMS) wrote:
>>     
>>> Hello,
>>>  
>>> I guess seagull is able to handle AVPs without data in general.
>>>  
>>> May be you can check the seagull dictionary how Failed-AVP is defined 
>>> there ?
>>>  
>>>  
>>> Anuj
>>>
>>> ---------------------------------------------------------------------
>>> ---
>>> *From:* Taisto Tammi [mailto:go...@gm...]
>>> *Sent:* Friday, August 28, 2009 5:17 PM
>>> *To:* Srivastava, Anuj Kumar (CMS)
>>> *Cc:* gul...@li...
>>> *Subject:* Re: [Seagull-users] Seagull Diameter does not understand 
>>> zero data AVP?
>>>
>>> Ugh
>>>
>>> In the attachment.
>>>
>>> -Tatu
>>>
>>> Srivastava, Anuj Kumar (CMS) wrote:
>>>       
>>>> Hi,
>>>> Attaching your scenario would help..
>>>>  
>>>> Anuj
>>>>
>>>> --------------------------------------------------------------------
>>>> ----
>>>> *From:* Taisto Tammi [mailto:go...@gm...]
>>>> *Sent:* Thursday, August 27, 2009 2:28 PM
>>>> *To:* gul...@li...
>>>> *Subject:* [Seagull-users] Seagull Diameter does not understand zero 
>>>> data AVP?
>>>>
>>>> Ugh
>>>>
>>>> It seems that seagull, does not understand diameter AVP that have 
>>>> zero data bytes. I am using seagull version 1.8.0 but I did not see 
>>>> this type of bug fixed in the 1.8.1. release notes.
>>>> In my scenario seagull is acting as diameter client and there is 
>>>> real diameter server in the other end, scenario is like this:
>>>> seagull -> server CER
>>>> seagull <- server CEA
>>>> seagull -> server CCR
>>>> seagull <- server CCA
>>>>
>>>> In the CCA server has put a Called-Station-Id-AVP inside of the 
>>>> Failed-AVP (Grouped). The Called-Station-Id-AVP is coded in the 
>>>> following way:
>>>> 00 00 00 1e ================================= AVP Code (30)        
>>>> [Called-Station-Id]
>>>>     40 ========================================== AVP Flags (M-bit)
>>>>     00 00 08 ==================================== AVP Length (8)
>>>>
>>>> When the Called-Station-Id-AVP or any other AVP in that matter, is 
>>>> inside of the Failed-AVP it is correct to not put data in the AVP.
>>>> This I have understand from the Diameter Base Protocol. So the 
>>>> seagull must be able to validate the this type of AVP. Now it 
>>>> displays an error, see a log in the in the attachments. Did also 
>>>> decode manually AVPs out from the hex dump and far as I see all is 
>>>> OK. Manual decode can be seen in below.
>>>>
>>>> Have I misunderstand something and there is something some way to 
>>>> get this work or is this bug in the seagull?
>>>>
>>>> Manual decode of the CCA
>>>> 01 ========================================== Version 00 01 28 
>>>> ==================================== Message length 00 
>>>> ========================================== Command flags 00 01 10 
>>>> ==================================== Command-Code 00 00 00 04 
>>>> ================================= Application-Id 00 00 03 ea 
>>>> ================================= Hop-by-Hop Identifier 00 00 07 d2 
>>>> ================================= End-to-End Identifier 00 00 01 07 
>>>> ================================= AVP Code (263)
>>>>     40 ========================================== AVP Flags (M-bit)
>>>>     00 00 18 ==================================== AVP Length (24)
>>>>     2e 3b 31 30 ================================= AVP Data
>>>>     39 36 32 39
>>>>     38 34 30 31
>>>>     3b 32 30 31
>>>> 00 00 01 08 ================================= AVP Code (264)
>>>>     40 ========================================== AVP Flags (M-bit)
>>>>     00 00 0f ==================================== AVP Length (15)
>>>>     48 4b 49 53 ================================= AVP Data
>>>>     43 50 34
>>>> 00 ========================================== Padding 00 00 01 28 
>>>> ================================= AVP Code (269)
>>>>     40 ========================================== AVP Flags (M-bit)
>>>>     00 00 10 ==================================== AVP Length (16)
>>>>     43 42 4f 53 ================================= AVP Data
>>>>     53 2e 46 49
>>>> 00 00 01 a0 ================================= AVP Code (416)
>>>>     40 ========================================== AVP Flags (M-bit)
>>>>     00 00 0c ==================================== AVP Length (12)
>>>>     00 00 00 01 ================================= AVP Data 00 00 01 
>>>> 9f ================================= AVP Code (415)
>>>>     40 ========================================== AVP Flags (M-bit)
>>>>     00 00 0c ==================================== AVP Length (12)
>>>>     00 00 00 00 ================================= AVP Data 00 00 01 
>>>> 02 ================================= AVP Code (258)
>>>>     40 ========================================== AVP Flags (M-bit)
>>>>     00 00 0c ==================================== AVP Length (12)
>>>>     00 00 00 04 ================================= AVP Data 00 00 01 
>>>> c8 ================================= AVP Code (456) G
>>>>     40 ========================================== AVP Flags (M-bit)
>>>>     00 00 38 ==================================== AVP Length (56)
>>>>     00 00 01 af ================================= AVP Code (431) G
>>>>         40 ========================================== AVP Flags (M-bit)
>>>>         00 00 18 ==================================== AVP Length (24)
>>>>         00 00 01 a5 ================================= AVP Code (421)
>>>>             40 ========================================== AVP Flags
>>>> (M-bit)
>>>>             00 00 10 ==================================== AVP Length
>>>> (16)
>>>>             00 00 00 00 ================================= AVP Data
>>>>             00 00 08 00
>>>>     00 00 01 b0 ================================= AVP Code (432)
>>>>         40 ========================================== AVP Flags (M-bit)
>>>>         00 00 0c ==================================== AVP Length (12)
>>>>         00 00 00 19 ================================= AVP Data
>>>>     00 00 01 0c ================================= AVP Code (268)
>>>>         40 ========================================== AVP Flags (M-bit)
>>>>         00 00 0c ==================================== AVP Length (12)
>>>>         00 00 07 d1 ================================= AVP Data 00 00 
>>>> 01 c8 ================================= AVP Code (456) G
>>>>     40 ========================================== AVP Flags (M-bit)
>>>>     00 00 38 ==================================== AVP Length (56)
>>>>     00 00 01 af ================================= AVP Code (431) G
>>>>         40 ========================================== AVP Flags (M-bit)
>>>>         00 00 18 ==================================== AVP Length (24)
>>>>         00 00 01 a5 ================================= AVP Code (421)
>>>>             40 ========================================== AVP Flags
>>>> (M-bit)
>>>>             00 00 10 ==================================== AVP Length
>>>> (16)
>>>>             00 00 00 00 ================================= AVP Data
>>>>             00 00 04 00
>>>>     00 00 01 b0 ================================= AVP Code (432)
>>>>         40 ========================================== AVP Flags (M-bit)
>>>>         00 00 0c ==================================== AVP Length (12)
>>>>         00 00 00 1a ================================= AVP Data
>>>>     00 00 01 0c ================================= AVP Code (268)
>>>>         40 ========================================== AVP Flags (M-bit)
>>>>         00 00 0c ==================================== AVP Length (12)
>>>>         00 00 07 d1 ================================= AVP Data 00 00 
>>>> 01 c8 ================================= AVP Code (456) G
>>>>     40 ========================================== AVP Flags (M-bit)
>>>>     00 00 20 ==================================== AVP Length (32)
>>>>     00 00 01 b0 ================================= AVP Code (432)
>>>>         40 ========================================== AVP Flags (M-bit)
>>>>         00 00 0c ==================================== AVP Length (12)
>>>>         00 00 00 25 ================================= AVP Data
>>>>     00 00 01 0c ================================= AVP Code (268)
>>>>         40 ========================================== AVP Flags (M-bit)
>>>>         00 00 0c ==================================== AVP Length (12)
>>>>         00 00 13 a7 ================================= AVP Data *00 
>>>> 00 01 17 ================================= AVP Code (279) G 
>>>> [Failed-AVP]
>>>>     40 ========================================== AVP Flags (M-bit)
>>>>     00 00 10 ==================================== AVP Length (16)
>>>>     00 00 00 1e ================================= AVP Code (30)    
>>>>     [Called-Station-Id]*
>>>> *        40 ========================================== AVP Flags (M-bit)
>>>>         00 00 08 ==================================== AVP Length 
>>>> (8)* 00 00 01 0c ================================= AVP Code (268)
>>>>     40 ========================================== AVP Flags (M-bit)
>>>>     00 00 0c ==================================== AVP Length (12)
>>>>     00 00 07 d1 ================================= AVP Data 00 00 01 
>>>> c0 ================================= AVP Code (448)
>>>>     40 ========================================== AVP Flags (M-bit)
>>>>     00 00 0c ==================================== AVP Length (12)
>>>>     00 00 01 2c ================================= AVP Data
>>>>
>>>> Br Taisto
>>>>
>>>>