Re: Double hostname in DLR URL

Andreas Fink <[email protected]> Mon, 18 Aug 2014 13:59:38 +0200
Newsgroups	gmane.comp.mobile.kannel.devel
Message-ID	<[email protected]>
No. but the problem is gone after a clean rebuild somehow.
very strange...

On 18 Aug 2014, at 13:58, Alexander Malysh <[email protected]> wrote:

> Hi Andreas,
> 
> did you find anything? I never saw this on our side.
> 
> Alex
> 
> Am 27.07.2014 um 23:02 schrieb Andreas Fink <[email protected]>:
> 
>> Hi folks,
>> 
>> I run into a very puzzling issue with the delivery of DLRs from Kannel.
>> 
>> I have a script which submits SMS to kannel. This script constructs a DLR URL like this:
>> 
>>             callback_url = octstr_format("http://%s:%d/sms/response.php?priority=%d",
>>                                                  octstr_get_cstr(callback_host),
>>                                                  (int)callback_port,ilm_prio);
>> 		further parameters added...
>> 
>> callback_host and callback_port are Octstr read from the config file and are always constant. They do not contain spaces or any trailing tabs or the like
>> Then this URL is urlencoded and passed on to the URL which is sent to kannel.
>> Kannel is processing the request and comes back with a delivery report.
>> The hostname passed is a straight IP address not a DNS name.
>> 
>> 
>> This is the SMSBox Log on a DLR being sent back
>> 
>> 2014-07-27 20:27:06 [16079] [10] DEBUG:   Scheme: http://
>> 2014-07-27 20:27:06 [16079] [10] DEBUG:   Host: 10.195.198.70
>> 2014-07-27 20:27:06 [16079] [10] DEBUG:   Port: 80
>> 2014-07-27 20:27:06 [16079] [10] DEBUG:   Username: (null)
>> 2014-07-27 20:27:06 [16079] [10] DEBUG:   Password: (null)
>> 2014-07-27 20:27:06 [16079] [10] DEBUG:   Path: /sms/response.php
>> 2014-07-27 20:27:06 [16079] [10] DEBUG:   Query: {some parameters...}
>> 2014-07-27 20:27:06 [16079] [10] DEBUG:   Fragment: (null)
>> 2014-07-27 20:27:06 [16079] [10] DEBUG: HTTP: Reusing connection to `10.195.198.70:80' (fd=31).
>> 2014-07-27 20:27:06 [16079] [10] DEBUG: Socket connected at once
>> 2014-07-27 20:27:06 [16079] [10] DEBUG: HTTP: Sending request:
>> 2014-07-27 20:27:06 [16079] [10] DEBUG: Octet string at 0x7f9dd3b00050:
>> 2014-07-27 20:27:06 [16079] [10] DEBUG:   len:  563
>> 2014-07-27 20:27:06 [16079] [10] DEBUG:   size: 1024
>> 2014-07-27 20:27:06 [16079] [10] DEBUG:   immutable: 0
>> 
>> 
>> this is all correct so far and my script answers with a "OK" and everything's fine.
>> 
>> 
>> but then further down in the log I suddenly see this:
>> 
>> 
>> 2014-07-27 20:32:30 [16079] [10] DEBUG: Parsing URL `http://10.195.198.70, 10.195.198.70/sms/response.php?....
>> 2014-07-27 20:31:03 [16079] [10] DEBUG:   Scheme: http://
>> 2014-07-27 20:31:03 [16079] [10] DEBUG:   Host: 85.195.198.70, 85.195.198.70
>> 2014-07-27 20:31:03 [16079] [10] DEBUG:   Port: 80
>> 2014-07-27 20:31:03 [16079] [10] DEBUG:   Username: (null)
>> 2014-07-27 20:31:03 [16079] [10] DEBUG:   Password: (null)
>> 2014-07-27 20:31:03 [16079] [10] DEBUG:   Path: /sms/response.php
>> 2014-07-27 20:31:03 [16079] [10] DEBUG:   Query: ...
>> 2014-07-27 20:31:03 [16079] [10] DEBUG:   Fragment: (null)
>> 2014-07-27 20:31:03 [16079] [10] ERROR: gethostbyname failed
>> 
>> As you can see here, the IP address of the host is now twice in the hostname and of course this is not resolvable.
>> I verified and I am 100% sure that I pass it only once, not twice.
>> And nothing changed between the first request and the second one.
>> Its still the same running instance of my code calling kannel. Its still passing the same DLR URL being passed.
>> Its still the same smsbox running.
>> 
>> Has anyone seen such issues before?
>> Has there been any change in gwlib in regards to handling URL's?
>> 
>> The version used is a SVN checkout from 24th of June.
>> 
>> 
>> 
>> 
>
signature.asc (application/pgp-signature, 841 B)