Issue 494 in google-authenticator: "We switched users...but can't switch back" message

[google-aut...@googlecode.com]

Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 494 by robertha...@gmail.com: "We switched users...but can't
switch back" message
https://code.google.com/p/google-authenticator/issues/detail?id=494

Occasionally I come back to my mac, and all my terminal windows have a
broadcast message in them:

==
Broadcast Message from ro...@kanga.local
(no tty) at 23:22 MST...

We switched users from 0 to -2, but can't switch back
==

I'm using the google-authenticator PAM module (redundant, I know) for ssh
logins.

I see the relevant line in the source code
(https://code.google.com/p/google-authenticator/source/browse/libpam/pam_google_authenticator.c#1553),
but it's not commented, and I cannot figure out what the message means.

Any pointers? Is that a failed login of someone trying to root into my
machine by ssh? Is it supposed to do a broadcast message like that?

-Rob

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