[horde] Fwd: ActiveSync Problem with HTC Device

[Michael J Rubinsky]

Please keep non-sensitive replies on the list.


----- Forwarded message from lst_hoe02 at kwsoft.de -----
    Date: Mon, 09 Sep 2013 18:13:26 +0200
    From: lst_hoe02 at kwsoft.de
Subject: Re: [horde] ActiveSync Problem with HTC Device
      To: mrubinsk at horde.org

Zitat von Michael J Rubinsky <mrubinsk at horde.org>:

> Quoting lst_hoe02 at kwsoft.de:
>
>> Zitat von Michael J Rubinsky <mrubinsk at horde.org>:
>>
>>> Quoting lst_hoe02 at kwsoft.de:
>>>
>>>> Zitat von Michael J Rubinsky <mrubinsk at horde.org>:
>>>>
>>>>> Quoting lst_hoe02 at kwsoft.de:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> i could sent you the whole log (compressed 7z ~2,5MBtye) in  
>>>>>> private mail as it is from the whole night and the HTC is  
>>>>>> really busy syncing :-(
>>>>>
>>>>> Sure, not a problem.
>>>>
>>>> Okay, here we go. As said i have "reset" the device assignment in  
>>>> the administrator console to force a resync but i'm not sure if  
>>>> the device has understand the intention. Is there BTW a  
>>>> recommended APP for Android in cases where the built-in  
>>>> ActiveSync is buggy.
>>>
>>> My best guess is that this is an integer overrun error on the  
>>> client. It looks like it is interpreting the FOLDERID element as  
>>> an integer, and not as a string as the specs say it is. I'm going  
>>> to look into changing the folderid generation to add a  
>>> non-numeric/hex character and see if that changes anything.
>>>
>>> Can you try the following to test my theory and see what happens?
>>>
>>> In the file {your pear_directory}/Horde/ActiveSync/Driver/Base.php:
>>>
>>> change line 357 from:
>>>
>>>          $this->_tempMap[$imap] = sprintf('%04x%04x', mt_rand(0,  
>>> 0xffff), mt_rand(0, 0xffff));
>>>
>>> to (note the addition of the nonsensical 'z:' text to the generated id):
>>>
>>>          $this->_tempMap[$imap] = sprintf('z:%04x%04x', mt_rand(0,  
>>> 0xffff), mt_rand(0, 0xffff));
>>>
>>>
>>> Then, remove the account from the device and recreate.
>>>
>>
>> Okay, now with the patch and a recreated account. But it doesn't  
>> look much better i'm afraid :-(
>
> Ok. I spend some time and distilled the log file into the minimum  
> needed to see what was happening. The very first appearance of the  
> -1 value is from the HTC client in the first (premature) PING  
> request. My (new) guess is that since the PING request is issued  
> before all the initial SYNC requests are issued, the client does not  
> have all the folder/collection information in it's database so the  
> -1 leaks into the PING request. PING requests are forbidden from  
> being issued by the protocol until all initial SYNC requests are  
> complete and the client knows the folderid and synckey for each  
> collections.
>
> I added some code to remove collections requested by the client that  
> the server does not know about. Please let me know if this helps.
>
> The pertinent changes are here:
>
> https://github.com/horde/horde/commit/0fa5b22537e55728862b83d1f3d4f70cc0c7731d

Thanks, i will try and let you known.

Regards

Andreas

----- End forwarded message -----

-- 
mike

The Horde Project (www.horde.org)
mrubinsk at horde.org
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