[Users] Troubles parsing headers

Lars Sundqvist openser at lasse.imap.cc
Thu Aug 10 11:43:21 CEST 2006


Yes, it is displayed as follows:

U xxx.xxx.xx.xx:5061 -> yyy.yyy.yyy.yyy:5060
REGISTER sip:sip.yyyyy.yyy SIP/2.0.
Via: SIP/2.0/UDP xxx.xxx.xx.xx:5061;branch=z9hG4bK-d663b80b.
From: aaaa.bbbbb <sip: username123 at sip.yyyyy.yyy>;tag=ea8cef4b108a99bco1.
To: aaaa.bbbbb <sip: username123 at sip.yyyyy.yyy>.
Call-ID: b96fead3-f03493d4 at xxx.xxx.xx.xx.
CSeq: 3720 REGISTER.
Max-Forwards: 70.
Contact: aaaa.bbbbb <sip: username123 at xxx.xxx.xx.xx:5061>;expires=3600.
User-Agent: Linksys/RT31P2-2.0.10(LIc).
Content-Length: 0.
Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.
Supported: x-sipura.
.


Thanks,

Lars Sundqvist

Daniel-Constantin Mierla wrote:
> As I can see in the log, seems that the headers are not ended by \r\n, 
> therefore none of the headers can be parsed. If you use
>
> ngrep -W byline
>
> do you see the message printed line by line?
>
> Cheers,
> Daniel
>
>
> On 08/10/06 12:04, Lars Sundqvist wrote:
>> Thank you for your reply,
>>
>> Below is a extract from the log with the messages logged with xlog 
>> MB: $mb
>> (there is no special characters in the text that is replaced to 
>> anonymize the message)
>>
>> /sbin/openser[28716]: -------------------------------------------
>> /sbin/openser[28716]: ERROR: get_hdr_field: bad to header
>> /sbin/openser[28716]: ERROR: bad header  field
>> /sbin/openser[28716]: ERROR: get_hdr_field: bad to header
>> /sbin/openser[28716]: ERROR: bad header  field
>> /sbin/openser[28716]: ERROR:parse_from_header: bad from header
>> /sbin/openser[28716]: xl_get_from: ERROR cannot parse FROM header
>> /sbin/openser[28716]: ERROR: get_hdr_field: bad to header
>> /sbin/openser[28716]: ERROR: bad header  field
>> /sbin/openser[28716]: xl_get_to: ERROR cannot parse TO header
>> /sbin/openser[28716]: [REGISTER] from [<null>] to [<null>]
>> /sbin/openser[28716]: MB: REGISTER sip:sip.xxxxx.xxx SIP/2.0^M Via: 
>> SIP/2.0/UDP xxx.xxx.xx.xx:5061;branch=z9hG4bK-2fab8548^M From: aaaa
>> .bbbbb <sip: username123 at sip.xxxxx.xxx>;tag=ea8cef4b108a99bco1^M To: 
>> aaaa.bbbbb <sip: username123 at sip.xxxxx.xxx>^M Call-ID: 
>> b96fead3-f03493d4 at xxx.xxx.xx.xx^M
>> CSeq: 3668 REGISTER^M Max-Forwards: 70^M Contact: aaaa.bbbbb <sip: 
>> username123 at xxx.xxx.xx.xx:5061>;expires=3600^M User-Agent: 
>> Linksys/RT31P2-2.0.10(LIc)^M Con
>> tent-Length: 0^M Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, 
>> OPTIONS, REFER^M Supported: x-sipura^M ^M
>> /sbin/openser[28716]: ERROR: get_hdr_field: bad to header
>> /sbin/openser[28716]: ERROR: bad header  field
>> /sbin/openser[28716]: ERROR:maxfwd:is_maxfwd_present : parsing 
>> MAX_FORWARD header failed!
>> /sbin/openser[28716]: ERROR:parse_from_header: bad from header
>> /sbin/openser[28716]: insert_RR(): From parsing failed
>> /sbin/openser[28716]: record_route(): Error while inserting 
>> Record-Route line
>> /sbin/openser[28716]: ERROR: get_hdr_field: bad to header
>> /sbin/openser[28716]: ERROR: bad header  field
>> /sbin/openser[28716]: find_first_route: Error while parsing headers
>> /sbin/openser[28716]: analyzing REGISTER request
>> /sbin/openser[28716]: ERROR: get_hdr_field: bad to header
>> /sbin/openser[28716]: ERROR: bad header  field
>> /sbin/openser[28716]: find_credentials(): Error while parsing headers
>> /sbin/openser[28716]: pre_auth(): Error while looking for credentials
>> /sbin/openser[28716]: ERROR: get_hdr_field: bad to header
>> /sbin/openser[28716]: ERROR: bad header  field
>> /sbin/openser[28716]: ERROR: get_hdr_field: bad to header
>> /sbin/openser[28716]: ERROR: bad header  field
>> /sbin/openser[28716]: ERROR: build_res_buf_from_sip_req: alas, 
>> parse_headers failed
>> /sbin/openser[28716]: pre_auth(): Error while sending 400 reply
>> /sbin/openser[28714]: -------------------------------------------
>>
>> Would love to get this issue resolved so if there is anything else 
>> that could help in finding out what the problem is, please let me know.
>>
>> Cheers,
>>
>> Lars Sundqvist
>>
>>
>> Daniel-Constantin Mierla wrote:
>>> This looks a bit strange, because all headers are seen to be 
>>> corupted. But they look ok. There is not rocket science with the 
>>> Max-Forwards header.
>>>
>>> Do you get these mesages for all REGISTERs or just for certain 
>>> cases. Could you print the message buffer with xlog $mb - that 
>>> should show what OpenSER sees as SIP message.
>>>
>>> Cheers,
>>> Daniel
>>>
>>>
>>> On 08/09/06 16:26, Lars Sundqvist wrote:
>>>> Hi everyone,
>>>>
>>>> We have been having a problem with our openser installation for a 
>>>> while,
>>>> certain REGISTER requests generates errors.
>>>> The openser version we are running is 1.0.0 from cvs.
>>>>
>>>> Does anyone have a clue why the following register generates the error
>>>> below?
>>>>
>>>> Register:
>>>> xxx.xxx.xx.xx:5061 -> yyy.yyy.yyy.yyy:5060
>>>>  REGISTER sip:sip.xxxxx.xxx SIP/2.0..Via: SIP/2.0/UDP
>>>> xxx.xxx.xx.xx:5061;branch=z9hG4bK-39f541a2..From: aaaa.bbbbb <sip:
>>>> username123 at sip.xxxxx.xxx>;tag=ea
>>>>  8cef4b108a99bco1..To: aaaa.bbbbb <sip:
>>>> username123 at sip.xxxxx.xxx>..Call-ID:
>>>> b96fead3-f03493d4 at xxx.xxx.xx.xx..CSeq: 2508 REGISTER..Max-Forwards:
>>>> 70..Conta
>>>>  ct: aaaa.bbbbb <sip:
>>>> username123 at xxx.xxx.xx.xx:5061>;expires=3600..User-Agent:
>>>> Linksys/RT31P2-2.0.10(LIc)..Content-Length: 0..Allow: ACK, BYE, 
>>>> CANCEL, IN
>>>>  FO, INVITE, NOTIFY, OPTIONS, REFER..Supported: x-sipura....
>>>>
>>>> Error:
>>>> /sbin/openser[18198]: ERROR: get_hdr_field: bad to header
>>>> /sbin/openser[18198]: ERROR: bad header  field
>>>> /sbin/openser[18198]: ERROR: get_hdr_field: bad to header
>>>> /sbin/openser[18198]: ERROR: bad header  field
>>>> /sbin/openser[18198]: ERROR:parse_from_header: bad from header
>>>> /sbin/openser[18198]: xl_get_from: ERROR cannot parse FROM header
>>>> /sbin/openser[18198]: ERROR: get_hdr_field: bad to header
>>>> /sbin/openser[18198]: ERROR: bad header  field
>>>> /sbin/openser[18198]: xl_get_to: ERROR cannot parse TO header
>>>> /sbin/openser[18198]: [REGISTER] from [<null>] to [<null>]
>>>> /sbin/openser[18198]: ERROR: get_hdr_field: bad to header
>>>> /sbin/openser[18198]: ERROR: bad header  field
>>>> /sbin/openser[18198]: ERROR:maxfwd:is_maxfwd_present : parsing
>>>> MAX_FORWARD header failed!
>>>> /sbin/openser[18198]: ERROR:parse_from_header: bad from header
>>>> /sbin/openser[18198]: insert_RR(): From parsing failed
>>>> /sbin/openser[18198]: record_route(): Error while inserting 
>>>> Record-Route
>>>> line
>>>> /sbin/openser[18198]: ERROR: get_hdr_field: bad to header
>>>> /sbin/openser[18198]: ERROR: bad header  field
>>>> /sbin/openser[18198]: find_first_route: Error while parsing headers
>>>> /sbin/openser[18198]: analyzing REGISTER request
>>>> /sbin/openser[18198]: ERROR: get_hdr_field: bad to header
>>>> /sbin/openser[18198]: ERROR: bad header  field
>>>> /sbin/openser[18198]: find_credentials(): Error while parsing headers
>>>> /sbin/openser[18198]: pre_auth(): Error while looking for credentials
>>>> /sbin/openser[18198]: ERROR: get_hdr_field: bad to header
>>>> /sbin/openser[18198]: ERROR: bad header  field
>>>> /sbin/openser[18198]: ERROR: get_hdr_field: bad to header
>>>> /sbin/openser[18198]: ERROR: bad header  field
>>>> /sbin/openser[18198]: ERROR: build_res_buf_from_sip_req: alas,
>>>> parse_headers failed
>>>> /sbin/openser[18198]: pre_auth(): Error while sending 400 reply
>>>>
>>>> Many thanks,
>>>>
>>>> Lars Sundqvist
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at openser.org
>>>> http://openser.org/cgi-bin/mailman/listinfo/users
>>>>
>>
>>





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