[horde] Permission Problem

[Lord_Devi]

Hello,

   My name is Casey Quibell and I am having a permission problem with
Horde suddenly. When I try to manage my Tasks, Notes, Calendar, or
Address Book I get permission denied for my user! For example, when I
click "Manage Task Lists", then "Change Permissions" for my user's (the
one I am logged in with, and the one I use), a new browser window opens
up with only the words "permission denied" in it.

   Where does it check to see if I have permission to my own tasks,
notes, calendar, or address book? This is very surprising, and needless
to say - extremely detrimental! Our of desperation I thought I might get
lucky and it might be a Posix permission thing I could fix by simply
verifying my Maildir in my user's homedir was correct, but this is not
the case. I have to assume that this data is actually stored in the
MySQL backend, but do not have the first clue how I might go about
making sure my user has access to what.

   A little background. I am almost certain what caused this problem in
the first place is my recent use of the SyncML protocol to try and sync
my data in Horde with an external client. I am using Genesis-Sync with
Synevolution to sync the data with Evolution on my Ubuntu 10.04 desktop.
An interesting point to make, I can still add/delete/modify entries in
my tasks, notes, calendar, and address book from Evolution using
SyncML!! But I can not do any such things from the webmail interface
itself! A little more information: My users are managed from an LDAP
backend, I do not know how much bearing this might have on things, but I
figure it is probably worth mentioning anyway!

The biggest things I need to know are:
   1. How can I fix the permissions to my Tasks, Notes, Calendar, and
Address Book so I can access them from Horde PHP's interface again.
   2. Why was it that SyncML broke the permissions in the first place.
   3. Can I do anything to prevent these permission problems from
occurring again? (I am willing to add insecurities to the system to
assure functionality. Like for example, modifying table or database
privileges to be less strict.)

   Just to cap off my post here, I'll give a little more detailed
information regarding the software involved, and their versions.

Horde Server
------------
Linux: CentOS 5.5 (Final)
UName: Linux perpetrator 2.6.18-194.11.3.el5 #1 SMP Mon Aug 30 16:23:24
EDT 2010 i686 i686 i386 GNU/Linux
Horde: 1.2.6
IMAP/POP: Dovecot 1.0.7-7.el5
SMTP: Postfix 2.3.3-2.1.el5_2
LDAP: 389-ds 1.2.1-1.el5

Client Machine
--------------
Linux: Ubuntu 10.4.1 LTS
UName: Linux rapine 2.6.32-24-server #43-Ubuntu SMP Thu Sep 16 16:05:42
UTC 2010 x86_64 GNU/Linux
Email Client: Evolution 2.28.3-0ubuntu10
Web Client: Firefox 3.6.10+build1+nobinonly-0ubuntu0.10.04.1
SyncML Client: SyncEvolution(syncevolution-evolution) 1:1.0.1-2
  From: deb http://downloads.syncevolution.org/apt stable main
SyncML Client Frontend: Genesis Sync 0.6.1-1
  From: deb http://ppa.launchpad.net/genesis-devs/stable/ubuntu lucid
main


   Thank you very much in advance for any input anyone may have. I have
tried to be as informative as possible in relating the problem, it's
history, and any technical details that may be relevant to it's
diagnosis. If there is anything else I could relate to you to help some
assistance on fixing this critical problem, please let me know!

Regards,
   Lord_Devi <Casey Quibell>