krb5_kuserok man page on FreeBSD

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KRB5_KUSEROK(3)		 BSD Library Functions Manual	       KRB5_KUSEROK(3)

NAME
     krb5_kuserok — checks if a principal is permitted to login as a user

LIBRARY
     Kerberos 5 Library (libkrb5, -lkrb5)

SYNOPSIS
     #include <krb5.h>

     krb5_boolean
     krb5_kuserok(krb5_context context, krb5_principal principal,
	 const char *user);

DESCRIPTION
     This function takes the name of a local user and checks if principal is
     allowed to log in as that user.

     The user may have a ~/.k5login file listing principals that are allowed
     to login as that user. If that file does not exist, all principals with a
     first component identical to the username, and a realm considered local,
     are allowed access.

     The .k5login file must contain one principal per line, be owned by user,
     and not be writable by group or other (but must be readable by anyone).

     Note that if the file exists, no implicit access rights are given to
     user@⟨localrealm⟩.

     Optionally, a set of files may be put in ~/.k5login.d (a directory), in
     which case they will all be checked in the same manner as .k5login.  The
     files may be called anything, but files starting with a hash (“#”), or
     ending with a tilde (“~”) are ignored. Subdirectories are not traversed.
     Note that this directory may not be checked by other implementations.

RETURN VALUES
     krb5_kuserok returns TRUE if access should be granted, FALSE otherwise.

HISTORY
     The ~/.k5login.d feature appeared in Heimdal 0.7.

SEE ALSO
     krb5_get_default_realms(3), krb5_verify_user(3),
     krb5_verify_user_lrealm(3), krb5_verify_user_opt(3), krb5.conf(5)

HEIMDAL				  May 4, 2005			       HEIMDAL
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