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7055827b8f
This makes it clearer that we always want to do heimdal changes via the lorikeet-heimdal repository. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz> Autobuild-User(master): Joseph Sutton <jsutton@samba.org> Autobuild-Date(master): Wed Jan 19 21:41:59 UTC 2022 on sn-devel-184
111 lines
3.7 KiB
Groff
111 lines
3.7 KiB
Groff
.\" Copyright (c) 1997, 2000 - 2005 Kungliga Tekniska Högskolan
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.\" (Royal Institute of Technology, Stockholm, Sweden).
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\"
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\"
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" 3. Neither the name of the Institute nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd April 19, 1999
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.Dt KPASSWDD 8
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.Os HEIMDAL
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.Sh NAME
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.Nm kpasswdd
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.Nd Kerberos 5 password changing server
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.Sh SYNOPSIS
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.Nm
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.Bk -words
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.Op Fl Fl addresses= Ns Ar address
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.Op Fl Fl check-library= Ns Ar library
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.Op Fl Fl check-function= Ns Ar function
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.Oo Fl k Ar kspec \*(Ba Xo
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.Fl Fl keytab= Ns Ar kspec
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.Xc
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.Oc
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.Oo Fl r Ar realm \*(Ba Xo
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.Fl Fl realm= Ns Ar realm
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.Xc
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.Oc
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.Oo Fl p Ar string \*(Ba Xo
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.Fl Fl port= Ns Ar string
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.Xc
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.Oc
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.Op Fl Fl version
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.Op Fl Fl help
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.Ek
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.Sh DESCRIPTION
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.Nm
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serves request for password changes. It listens on UDP port 464
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(service kpasswd) and processes requests when they arrive. It changes
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the database directly and should thus only run on the master KDC.
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.Pp
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Supported options:
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.Bl -tag -width Ds
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.It Fl Fl addresses= Ns Ar address
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For each till the argument is given, add the address to what kpasswdd
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should listen too.
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.It Fl Fl check-library= Ns Ar library
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If your system has support for dynamic loading of shared libraries,
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you can use an external function to check password quality. This
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option specifies which library to load.
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.It Fl Fl check-function= Ns Ar function
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This is the function to call in the loaded library. The function
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should look like this:
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.Pp
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.Ft const char *
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.Fn passwd_check "krb5_context context" "krb5_principal principal" "krb5_data *password"
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.Pp
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.Fa context
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is an initialized context;
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.Fa principal
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is the one who tries to change passwords, and
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.Fa password
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is the new password. Note that the password (in
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.Fa password->data )
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is not zero terminated.
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.It Fl k Ar kspec , Fl Fl keytab= Ns Ar kspec
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Keytab to get authentication key from.
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.It Fl r Ar realm , Fl Fl realm= Ns Ar realm
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Default realm.
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.It Fl p Ar string , Fl Fl port= Ns Ar string
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Port to listen on (default service kpasswd - 464).
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.El
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.Sh DIAGNOSTICS
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If an error occurs, the error message is returned to the user and/or
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logged to syslog.
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.Sh BUGS
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The default password quality checks are too basic.
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.Sh SEE ALSO
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.Xr kpasswd 1 ,
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.Xr kdc 8
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.\".Sh ENVIRONMENT
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.\".Sh FILES
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.\".Sh EXAMPLES
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.\".Sh SEE ALSO
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.\".Sh STANDARDS
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.\".Sh HISTORY
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.\".Sh AUTHORS
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