Domain Technologie Control Forum

[reaper]

Is it possible for users to create their own cron jobs? Maybe I miss something or this feature missing from DTC?

[gplhost]

It's missing.

I'm not sure how to do it yet. Maybe I should use sbox for that, so it's not a security threat...

Any idea for the interface?

Thomas
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[chrisoverly]

The Cpanel way of doing cron for users is very user friendly (on the newer versions), although if they need cron, they are more than likely an "advanced user" that can research themselves on how to set it up with just a basic control panel

I second the need for cron for users.

Chris

[gplhost]

We shall make some search on how to do limitation and chroot the way we do for sbox. I think that one of the way might be to call an URL in the /cgi-bin folder, that way the workload for it would be minimal. Would that be a satisfying way?

Thomas
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[TDS]

chrisoverly wrote:

The Cpanel way of doing cron for users is very user friendly (on the newer versions), although if they need cron, they are more than likely an "advanced user" that can research themselves on how to set it up with just a basic control panel I second the need for cron for users. Chris

In wich cp you are? Can't find such a link in the cp :-/
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[Etherkiller]

Bumping this post: Gotten any further on cron for users?

[gplhost]

We would need to write something like sbox for it, and this is not a task that can be done so fast. I don't want to add yet another security hole.

Maybe what could be done is something that would just query the user's website. That is doable and not too insecure, and would satisfy most web sites. Am I right saying so?

Thomas
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[weare]

gplhost wrote:

We would need to write something like sbox for it, and this is not a task that can be done so fast. I don't want to add yet another security hole. Maybe what could be done is something that would just query the user's website. That is doable and not too insecure, and would satisfy most web sites. Am I right saying so? Thomas

Hi, Thomas and All!

I'm testing DTC and it's great system.

The problem of cron missing is important for me.

For now I just wont ask somebody how I can solve this problem.

I think, that possible add user task in cron by ticket request. This solution is for short time... or forever

Hope that my english is understandable.

Thanks!

[gplhost]

The issue here is that we can't just setup cron and forget. It has to be done in a secure way, using chrootuid, setlimits() calls, etc., otherwise it's highly insecure.

Thomas
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[weare]

gplhost wrote:

The issue here is that we can't just setup cron and forget. It has to be done in a secure way, using chrootuid, setlimits() calls, etc., otherwise it's highly insecure. Thomas

Thanks for your answer, Thomas.

I'll learn the instruction that you proposed.

The best way, i supose, that in user dir will appears somthing like "/etc/cronjob" file, and system cron will read it.

System cron should chek the limitation on resuorces, of course.

In the future, this file ("/etc/cronjob") possibe link to web form, but now user will edit it under shell.

[gplhost]

This is not at all the way I planned it. I thought I'd do something that will look into the db and generate something like /etc/cron.d/dtc-cronjobs. But that part is not at all what is hard to do. What is hard is to do is the chroot / chrootuid / setlimits. That's quite a lot more work than just accepting any cron jobs without any security (which is a potential source of hack).

Thomas
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[VictorS]

Quote:

Maybe what could be done is something that would just query the user's website. That is doable and not too insecure, and would satisfy most web sites. Am I right saying so?

Hello dear Thomas.

You are right. A common use for cron is to execute a php/script file on the website to perform tasks.

This can be done via something as simple as a scheduled wget using "--delete-after" flag and keep users happy.

I vote for this.

Thank you.
Victor