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.\" Copyright (c) 2000 Todd C. Miller <millert@openbsd.org>
.\" Copyright (c) 2022 Jacob Moody <moody@posixcafe.org>
.\"
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.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.Dd $Mdocdate: July 13 2022 $
.Dt LOGIN_-dp9ik 8
.Os
.Sh NAME
.Nm login_-dp9ik
.Nd provide 9front dp9ik authentication type.
.Sh SYNOPSIS
.Nm login_-dp9ik
.Op Fl s Ar service
.Op Fl v Cm wheel Ns = Ns Cm yes Ns | Ns Cm no
.Ar user
.Sh DESCRIPTION
The
.Nm
utility is called by
.Xr login 1 ,
.Xr su 1 ,
.Xr ftpd 8 ,
and others to authenticate the
.Ar user
to a 9front auth server using dp9ik. The specific
auth server used for a given
.Ar  user
is defined in their
.Pa ~/.p9auth
file, which contains a single line with a hostname
or IP address.
.Pp
The
.Ar user
argument is the login name of the user to be authenticated.
.Pp
The
.Ar service
argument specifies which protocol to use with the
invoking program.
The only supported protocol currently is
.Em login .
.Pp
If the
.Cm wheel
argument is specified and is not set to
.Cm yes ,
then the user will be rejected as not being in group
.Dq wheel .
This is used by
.Xr su 1 .
.Pp
.Nm
will prompt the user for a password and report back to the
invoking program whether or not the authentication was
successful.
.Sh SEE ALSO
.Xr login 1 ,
.Xr passwd 1 ,
.Xr su 1 ,
.Xr login.conf 5 ,
.Xr ftpd 8