Hi
I'm trying to handle 'invalid user' and 'invalid password' errors in
openipmi-based application.
I've found how I can detect 'invalid user'.In this case, error passed to
connection callback is either 0x1000081 or 0x200000d, depending on if
RMCP+ is used or not. First originates from 0x81 completion code returned
by Get Session Channenge command, and second is RMCP 'unauthorized name'
error.
However, for 'invalid password' situation is worse.
Without RMCP+, there is just timeout. Perhaps hardware issue.
With RMCP+, there is EINVAL, originatiing from
if (memcmp(data+40, integ_data, rinfo->key_len) != 0)
return EINVAL;
in rakp_hmac_c2().
I suggest to replace this EINVAL with something other, to let application
detect and handle invalid login credentials. Maybe EACCES, or some
specific error code.
Other very questionable EINVAL is where ''Requested authentication not
supported' message is logged in auth_cap_done(). Some better value could
be returned here, maybe ENOTSUP.
What do you think?
Nikita
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