MAX_PLUGIN_OUTPUT_LENGHT

[pozda at tiscali.cz]

Description of my test:
1) I change MAX_PLUGIN_OUTPUT_LENGHT to 8192, recompile nagios
2) restart nagios
3) send very long string to external file 
/usr/bin/printf "[%lu] PROCESS_SERVICE_CHECK_RESULT;martin-xp;Backup;0;$string"
$now  > $commandfile

The nagios trimps my $string to 957 bytes. It seems, that nagios trimps string
to 1024 and 67 bytes is header.

I have only some minutes to go throuth sources and I found some buffer,s
that are defined directly for instance
common\snprintf line 1267
        char buf1[1024]; 
	char buf2[1024]; 

And there are many other constant defined to 1024 

cgi\extinfo  #define MAX_MESSAGE_BUFFER    1024
cgi\status.c MAX_MESSAGE_BUFFER 1024
include\comon.h #define MAX_INPUT_BUFFER 1024

When I blindly change some of then, I was able to send to nagios message
4033 bytes long.

Martin

Ethan Galstad napsal(a):
> pozda at tiscali.cz wrote:
>> Hello
>>
>> I'm testing nagios 3.0b5. During my tests I try to change maximum plugin
>> output as written in documentation.
>> It's not working, it seems that some buffers are not defined based
>> MAX_PLUGIN_OUTPUT_LENGHT constant.
>>
>> Martin
>>
>
> Martin - Where are you seeing problems with the buffer length being 
> clipped short of MAX_PLUGIN_OUTPUT_LENGTH?  If that's happening, its a

> bug and needs to be fixed.
>
>
> Ethan Galstad,
> Nagios Developer
> ---
> Email: nagios at nagios.org
> Website: http://www.nagios.org
>
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Martin

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