Re: Does the snmpd daemon has a size limit for setting strings?

On 20 February 2011 14:44, Daniel Leicht <[email protected]> wrote:
> Is there a chance that snmpd trunctuates a string that is larger than 910 chars?

snmpd as a whole shouldn't enforce a maximum string length,
but it's the various extension mechanisms may well have implicit limits.

In particular, the "pass" mechanism relies on the "struct extensible"
data structure, defined in agent/mibgroup/struct.h
This includes:

#define STRMAX 1024

struct extensible {
    char            name[STRMAX];
    char            command[STRMAX];
       etc
}

So the command that's run will be limited to 1024 characters max.
Once you've taken into account the path of the pass command
itself, plus the other parameters, that may well truncate the final
string to 900-ish characters.

Dave

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