securityEngineId problem in 5.7.1

I'm cross-compiling for 32-bit embedded environment.  After modifying the configure file sufficiently so that the application builds and starts, the initial trap that should get sent to the SNMP server isn't going out.

On inspection, it appears that the code for sending the trap ends up calling usm_get_user_from_list in snmpusm.c  The passed user list is declared at the top of snmpusm.c as a "static struct umUser *userList = NULL:"

The user that is being passed into the function was parsed by netsnmp_parse_args as I see the engineID being sent to the run_config_handler function in read_config.c with the token "trapsess".   I tried adding the line "usm_create_user_from_session(ss);" to add_trap_session to force the securityEngineID into the userList in smnpusm.c.

This hasn't worked since the securityEngineIDLen being passed to usm_get_user_from_list = 1, not the value 9 that was stored in the list; although my traces show that the full  name is properly received.

I suspect that I'm missing something rather basic since there shouldn't be any need to add the usm_create_user_from_session call into add_trap_session.

Any suggestions on where I should be concentrating my efforts would be appreciated.

Thanks in advance.

Thomas Stone

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