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64 lines
1.5 KiB
Groff
64 lines
1.5 KiB
Groff
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.\" from: kuserok.3,v 4.1 89/01/23 11:11:49 jtkohl Exp $
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.\" $Id: kuserok.3,v 1.2 1994/07/19 19:27:58 g89r4222 Exp $
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.\" Copyright 1989 by the Massachusetts Institute of Technology.
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.\"
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.\" For copying and distribution information,
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.\" please see the file <Copyright.MIT>.
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.\"
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.TH KUSEROK 3 "Kerberos Version 4.0" "MIT Project Athena"
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.SH NAME
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kuserok \- Kerberos version of ruserok
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.SH SYNOPSIS
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.nf
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.nj
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.ft B
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#include <krb.h>
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.PP
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.ft B
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kuserok(kdata, localuser)
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AUTH_DAT *auth_data;
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char *localuser;
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.fi
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.ft R
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.SH DESCRIPTION
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.I kuserok
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determines whether a Kerberos principal described by the structure
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.I auth_data
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is authorized to login as user
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.I localuser
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according to the authorization file
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("~\fIlocaluser\fR/.klogin" by default). It returns 0 (zero) if authorized,
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1 (one) if not authorized.
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.PP
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If there is no account for
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.I localuser
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on the local machine, authorization is not granted.
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If there is no authorization file, and the Kerberos principal described
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by
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.I auth_data
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translates to
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.I localuser
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(using
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.IR krb_kntoln (3)),
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authorization is granted.
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If the authorization file
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can't be accessed, or the file is not owned by
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.IR localuser,
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authorization is denied. Otherwise, the file is searched for
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a matching principal name, instance, and realm. If a match is found,
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authorization is granted, else authorization is denied.
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.PP
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The file entries are in the format:
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.nf
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.in +5n
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name.instance@realm
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.in -5n
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.fi
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with one entry per line.
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.SH SEE ALSO
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kerberos(3), ruserok(3), krb_kntoln(3)
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.SH FILES
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.TP 20n
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~\fIlocaluser\fR/.klogin
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authorization list
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