[vdr] set system time without root priviledges

Simon Baxter linuxtv at nzbaxters.com
Sun Jul 24 09:19:21 CEST 2005

> Simon Baxter wrote:
>> Can't I just add an entry in sudoers for the date command?  Can I 
>> incorporate a 'sudo date set' into vdr??
> The settime patch does it this way. It may need several attempts, because 
> all the user- and process-switching adds some delay to the clock, but it 
> works. The su implementation is imho a lot cleaner way though.
> See:
>   http://www.vdr-wiki.de/wiki/index.php/Settime-patch
>   http://www.linuxtv.org/vdrwiki/index.php/Settime-patch
> A patched version for recent builds is here:
>   http://urichter.cjb.net/vdr/?h=settime&l=en

If I'm understanding the su correctly, and vdr must be run as root but the 
date set will be done by another user, I can't see the point!  If you're 
running vdr as root you're already running an 'untrusted' application with 
full machine rights.  Why then switch to another user just for the date set?

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