Re: Fwd: Username remapping/renaming during login

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On Fri, 19 Oct 2018, Damian Kaliszan wrote:

> Hi,
> 
> I'd  like  to  ask  you  (I couldn't find an answer on OpenSSH mailing
> lists)  if  it's  possible  to  rename/remap/manipulate  with username
> during logging?
> 
> I    found    a    similar    solution    to    what   I   want   here
> https://sourceforge.net/projects/ukngi/files/meg/1.0-1/  but  this  is
> gsissh.
> 
> To be precise I tried 2 possible solutions:
> 
> a/ enabled  pam_script  pam  module  as  the  first  module during
> authentication and set PAM_USER in pam_script_auth script
> 
> b/  I  created  my  custom  module in which inside pam_sm_authenticate
> function I call pam_set_item where I change the username
> 
> but  both failed. Could you please help me and answer if it's possible
> at all?? (let's leave other issues e.g. security aside)

OpenSSH doesn't support username remapping via PAM, but you should be
able to do it via a NSS module.

-d
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