[rrd-developers] Bug#573638: rrdtool: rrdcgi crashes at printlasttime()

[Tobias Oetiker]

Hi Robert,

Yesterday Robert Luberda wrote:

> Tobias Oetiker writes:
>
> Hi Tobias,
>
> > in 2012:2013 I put in the patch below ... this should provide a
> > more generic fix for the problem. rrd_cgi functions all used to
> > fail horribly when a librrd function tried to touch ARGV[0] (mostly
>
>
> The patch fixes the crash, but you still need to fix the printlasttime()
> function by removing `+ 1' in line 991. I mean replacing
>   last = rrd_last(argc + 1, (char **) args - 1);
> with
>   last = rrd_last(argc, (char **) args - 1);
>
> Without the change, iptotal gives the following output:
>   Network usage
>   Database last updated:    [ERROR: Usage: rrdtool rrdcgi [--daemon ] ]
>   Server Time: 	Sun Mar 14 21:36:35 20
>
> After removing the `+ 1' thing, iptotal works as expected and prints
> time instead of the usage error message.

right, because the strftime argument is used locally and not passed
on to rrd_last ...

fix is in r2029:2030

thanks
tobi


>
> Thanks a lot,
> Robert
>
>

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900