Hi Norbert, Glad that you figured it out and thanks for reporting your findings and the solution. Thanks for your other comments and recommendations as well. Gordon Norbert Lechner wrote:
Hi Gordon,
it turned out to be a permission issue. As far as I understand it, realpath requires the user who executes the script (http in my case) to have executable permissions on all directories in the hierarchy. The arch linux default for home directory creation is 700. I think there should be a permission check in siteaddsubmit.php, because if the realpath function returns FALSE, the script tries to create /domain.tld. I would have supplied a patch but unfortunately I don't know enough about php. On a side note the display of "Anti-Virus: On" on line 48 of userchange.php seems a bit strange, since it just gets printed without a check.
Thanks a lot for your help,
Norbert
On 04/22/10 at 09:30am, Gordon Dickens wrote:
Hi Norbert,
I don't know why this would be happening. Make sure that you are adding a "Local Domain" since the path is not stored for relay and alias domains. Then, when you add the local domain, you are able to specify the domain's mail directory in the Domain Mail Directory field in siteadd.php which should default to whatever you specified in config/variables.php (such as /home/exim4u/mail/). Also, make sure that the UID/GID values are correctly set to the values for the exim4u user/group on your system.
I guess that it could be a missing php extension module as you suggested but that seems improbable at this point. This maybe is an exim4u configuration issue specific to your installation. However, I haven't had this reported before so that seems improbable too. Sorry that I am not better help here but I am not sure what to recommend. Nevertheless, please let me know how it goes and what you find.
Gordon
Norbert Lechner wrote:
Hi Gordon,
thank you for your help. You pointed me in the right direction. The posix module was commented in php.ini. I didn't know I needed it. However, I can now add domains and users. Only the mailroot isn't properly recognized. value="<?php echo $mailroot; ?>"> in siteadd.php prints the correct path, which is /home/exim4u/mail/, to the textfield. But siteaddsubmit.php inserts /mydomain.tld into the domains table. It looks like realpath ($_POST['maildir'] in siteaddsubmit.php returns an empty string. Could another missing module be the reason for that ?
Thanks again,
Norbert Lechner
On 04/21/10 at 05:00pm, Gordon Dickens wrote:
Hi Norbert,
I am not sure what the problem is....
I would make sure that you have all of the php extensions installed that are necessary for exim4u to work such as: php5-gettext, php5-session, php5-dom and php5-posix. I have seen the exim4u php code hang before with a blank page when php extensions are missing. Sorry, but I do not have any experience with arch linux. The php script that is executed when you add a new domain is siteadd.php which posts to siteaddsubmit.php which updates the mysql database. I would use echo/print statements to determine where the code is hanging up (probably somewhere in siteaddsubmit.php). I anticipate that you may find that it is hanging on a php function that is part of an extension that is not yet installed on your system. However, the problem could also be something else. I just don't know.
I am strongly suspicious that this must be some sort of apache/php configuration issue on your arch linux box. Exim4U is a derivative work of the Vexim project. I went and looked at the Vexim archives and their are several occurrences of people reporting this issue several years ago such as:
http://www.exim-users.org/forums/showthread.php?t=55239&highlight=blank+page and; http://www.exim-users.org/forums/showthread.php?t=52129&highlight=blank+page
However, nobody ever says how the problem was solved. I suspect that it was a configuration issue that was discovered. Too bad those folks never reported back their resolution.
Good luck and let me know how it goes.
Gordon
Norbert Lechner wrote:
Hi,
i installed exim4u on arch linux. i got a working exim setup, but i can't add domains to the mysql database. i logged in to the exim4u web interface with the siteadmin user and changed the password, which got written to the users table. but when i try to add a local domain, i get a blank page. no errors are printed to the http server log, only a couple of warnings ( http://sprunge.us/aETF ). there are no errors in the mysql and exim logs either. the mail folder is /home/exim4u/mail and owned by user exim4u(150) and group exim4u(150). permissions on the folder are 775. any ideas on how to debug this ?
thx in advance,
Norbert Lechner
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