Net-SNMP v3 User Administration from custom app

I have an application that provides a thin client that will need to allow
for

manipulating SNMP v3 users for an Net-SNMP agent.  This would require
listing

existing users, deleting existing USM, and modifying user security
attributes.

This application also implements an SNMP subagent, so has access to the

running agent through the network connection between them.

 

This custom application is required to allow via a web interface
administration of

SNMP v3 users, which would mean the addition and deletion of USM users with

security credentials, and modifying credentials of existing users.

 

What implementation makes the most sense and is less problematic. 

 

I am considering the following:

 

1.  Direct manipulation of the SNMP snmpd.conf files followed by an snmpd
reload.

 

2.  The use of subagent accessible APIs to accomplish this task (if
available).



3.  Making sytem calls in my application (such as "net-snmp-create-v3-user"

after stopping the service, then restarting it).

 

In all of these cases, reloading of snmpd could be by:

 

1. a workstation reboot, 



2. issuing via a system call something like "service snmpd reload", or



3. direct manipulation of the UCD-SNMP-MIB::versionUpdateConfig.0 value

to cause Net-SNMP to reload its configuration without rebooting.

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