[Nagiosplug-devel] FW: nagios fixes

[peter riegersperger]

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hi!

we had some problems with two plugins (check_dhcp and check_http)
that our c programming guy fixed for me.

check_dhcp was unable to bind port 68 (not running as root!) and
checl_http had some problems communicating with icecast.

find below a comment on how to fix both. i hope this is of any use
and went to the right people.

greetings,

rick


|-
| peter riegersperger  <rick at subnet.at>
|-
| subnet
| platform for media art and experimental technologies
|-
| http://www.subnet.at/
|-
| muehlbacherhofweg 5 // 5020 salzburg // austria
|-
| fon/fax +43/662/842 897
|-
 

> -----Original Message-----
> check_dhcp needs to bind port 68 which requires root privileges.
> rather  than running all tests as root, i added "setuid( 0 );" in
> main before  openening the socket and changed the perms "chmod
> u+s".
> 
> check_http didn't work correctly with our icecast server. for some 
> reason, the last recv after a correct response didn't return 0, but
> -1  and errno set to ECONNRESET. i still don't know, why this
> happens, but  the quickest way to work around it, is to replace
> 
> 	if (i < 0)
>          {
>                  terminate (STATE_CRITICAL, "Error in recv()");
>          }
> 
> with
>          if (i < 0 && errno != ECONNRESET )
>          {
>                  terminate (STATE_CRITICAL, "Error in recv()");
> 	}
> 
> in check_http

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