pam_radius_auth threading issues

[Alan DeKok]

Rich Graves <rcgraves at gmail.com> wrote:
> This setup regularly fails under any sort of concurrency. Threading
> issues seem one likely reason. pam_radius_auth.c hasn't been touched
> in a while an d hasn't had the same attention to thread safety as
> the core freeradius code.

  The PAM modules really aren't intended to be called more than once.

  The simplest solution is to put a mutex in the module.

  Alan DeKok.