[Koha-bugs] [Bug 14774] Task Scheduler not working on Ubuntu/Apache2.4

[bugzilla-daemon]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=14774

fooque...@gmail.com changed:

   What|Removed |Added

 CC||fooque...@gmail.com

--- Comment #3 from fooque...@gmail.com ---
On Ubuntu 14.04, I found that installing koha, which installs mpm-itk broke
Exim4 mail sending.

I found, as per the references below, that adding the following directive to
the top-level Apache configuration resolved the problem:

LimitUIDRange 0 2000

The description above sounds like a very similar problem.

http://blog.gaiterjones.com/send-php-mail-ubuntu-upgrade/
https://esilibrary.com/evergreen-and-koha-sitting-on-a-server/
http://mpm-itk.sesse.net/

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[Koha-bugs] [Bug 14774] Task Scheduler not working on Ubuntu/Apache2.4

[bugzilla-daemon]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=14774

Tomás Cohen Arazi  changed:

   What|Removed |Added

 Resolution|--- |WORKSFORME
 Status|In Discussion   |RESOLVED

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[Koha-bugs] [Bug 14774] Task Scheduler not working on Ubuntu/Apache2.4

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=14774

Robin Sheat  changed:

   What|Removed |Added

 CC||ro...@catalyst.net.nz

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[Koha-bugs] [Bug 14774] Task Scheduler not working on Ubuntu/Apache2.4

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=14774

Liz Rea  changed:

   What|Removed |Added

 Status|NEW |In Discussion

--- Comment #2 from Liz Rea  ---
In additional, unexpected news: Debian Jessie seems to be unaffected, and
honestly I expected it would be.

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[Koha-bugs] [Bug 14774] Task Scheduler not working on Ubuntu/Apache2.4

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=14774

Craig Miskell  changed:

   What|Removed |Added

 CC||cr...@catalyst.net.nz

--- Comment #1 from Craig Miskell  ---
It appears based on some debugging that when running under apache-mpm-itk,
setuid binaries like 'at' don't have quite enough permissions to do what they
need. While it does end up running as daemon.daemon, and can write to files in
/var/spool/cron/atjobs/, it fails at the fchown step with EPERM.  From the docs
for fchown, that means "The effective UID does not match the owner of the file,
and the process is not privileged (Linux: it does not have the CAP_FOWNER
capability))". 

Without going deeper, I expect this is a result of mpm-itk dropping
capabilities or privileges to get down to the run-time user, and not being able
to elevate back up as a result. This would affect any other setuid programs
too.

Converting to some sort of app-layer (starman? plack?) may solve it, where
apache runs as normal, and the application runs out of app processes that run
as the correct user from the start, and which can therefore setuid back up.

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[Koha-bugs] [Bug 14774] Task Scheduler not working on Ubuntu/Apache2.4

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=14774

Tomás Cohen Arazi  changed:

   What|Removed |Added

 CC||tomasco...@gmail.com
   Assignee|gmcha...@gmail.com  |tomasco...@gmail.com

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