e7e0b34988
several new kerberos related libraries and applications to FreeBSD:
o kgetcred(1) allows one to manually get a ticket for a particular service.
o kf(1) securily forwards ticket to another host through an authenticated
and encrypted stream.
o kcc(1) is an umbrella program around klist(1), kswitch(1), kgetcred(1)
and other user kerberos operations. klist and kswitch are just symlinks
to kcc(1) now.
o kswitch(1) allows you to easily switch between kerberos credentials if
you're running KCM.
o hxtool(1) is a certificate management tool to use with PKINIT.
o string2key(1) maps a password into key.
o kdigest(8) is a userland tool to access the KDC's digest interface.
o kimpersonate(8) creates a "fake" ticket for a service.
We also now install manpages for some lirbaries that were not installed
before, libheimntlm and libhx509.
- The new HEIMDAL version no longer supports Kerberos 4. All users are
recommended to switch to Kerberos 5.
- Weak ciphers are now disabled by default. To enable DES support (used
by telnet(8)), use "allow_weak_crypto" option in krb5.conf.
- libtelnet, pam_ksu and pam_krb5 are now compiled with error on warnings
disabled due to the function they use (krb5_get_err_text(3)) being
deprecated. I plan to work on this next.
- Heimdal's KDC now require sqlite to operate. We use the bundled version
and install it as libheimsqlite. If some other FreeBSD components will
require it in the future we can rename it to libbsdsqlite and use for these
components as well.
- This is not a latest Heimdal version, the new one was released while I was
working on the update. I will update it to 1.5.2 soon, as it fixes some
important bugs and security issues.
157 lines
4.4 KiB
Groff
157 lines
4.4 KiB
Groff
.\" Copyright (c) 2004 - 2006 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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.\" $Id$
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.\"
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.Dd July 10, 2006
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.Dt KRB5_STRING_TO_KEY 3
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.Os HEIMDAL
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.Sh NAME
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.Nm krb5_string_to_key ,
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.Nm krb5_string_to_key_data ,
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.Nm krb5_string_to_key_data_salt ,
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.Nm krb5_string_to_key_data_salt_opaque ,
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.Nm krb5_string_to_key_salt ,
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.Nm krb5_string_to_key_salt_opaque ,
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.Nm krb5_get_pw_salt ,
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.Nm krb5_free_salt
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.Nd turns a string to a Kerberos key
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.Sh LIBRARY
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Kerberos 5 Library (libkrb5, -lkrb5)
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.Sh SYNOPSIS
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.In krb5.h
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.Ft krb5_error_code
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.Fo krb5_string_to_key
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.Fa "krb5_context context"
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.Fa "krb5_enctype enctype"
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.Fa "const char *password"
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.Fa "krb5_principal principal"
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.Fa "krb5_keyblock *key"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_string_to_key_data
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.Fa "krb5_context context"
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.Fa "krb5_enctype enctype"
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.Fa "krb5_data password"
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.Fa "krb5_principal principal"
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.Fa "krb5_keyblock *key"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_string_to_key_data_salt
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.Fa "krb5_context context"
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.Fa "krb5_enctype enctype"
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.Fa "krb5_data password"
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.Fa "krb5_salt salt"
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.Fa "krb5_keyblock *key"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_string_to_key_data_salt_opaque
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.Fa "krb5_context context"
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.Fa "krb5_enctype enctype"
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.Fa "krb5_data password"
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.Fa "krb5_salt salt"
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.Fa "krb5_data opaque"
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.Fa "krb5_keyblock *key"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_string_to_key_salt
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.Fa "krb5_context context"
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.Fa "krb5_enctype enctype"
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.Fa "const char *password"
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.Fa "krb5_salt salt"
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.Fa "krb5_keyblock *key"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_string_to_key_salt_opaque
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.Fa "krb5_context context"
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.Fa "krb5_enctype enctype"
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.Fa "const char *password"
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.Fa "krb5_salt salt"
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.Fa "krb5_data opaque"
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.Fa "krb5_keyblock *key"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_get_pw_salt
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.Fa "krb5_context context"
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.Fa "krb5_const_principal principal"
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.Fa "krb5_salt *salt"
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.Fc
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.Ft krb5_error_code
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.Fo krb5_free_salt
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.Fa "krb5_context context"
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.Fa "krb5_salt salt"
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.Fc
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.Sh DESCRIPTION
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The string to key functions convert a string to a kerberos key.
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.Pp
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.Fn krb5_string_to_key_data_salt_opaque
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is the function that does all the work, the rest of the functions are
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just wrappers around
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.Fn krb5_string_to_key_data_salt_opaque
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that calls it with default values.
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.Pp
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.Fn krb5_string_to_key_data_salt_opaque
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transforms the
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.Fa password
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with the given salt-string
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.Fa salt
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and the opaque, encryption type specific parameter
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.Fa opaque
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to a encryption key
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.Fa key
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according to the string to key function associated with
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.Fa enctype .
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.Pp
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The
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.Fa key
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should be freed with
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.Fn krb5_free_keyblock_contents .
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.Pp
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If one of the functions that doesn't take a
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.Li krb5_salt
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as it argument
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.Fn krb5_get_pw_salt
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is used to get the salt value.
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.Pp
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.Fn krb5_get_pw_salt
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get the default password salt for a principal, use
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.Fn krb5_free_salt
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to free the salt when done.
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.Pp
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.Fn krb5_free_salt
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frees the content of
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.Fa salt .
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.Sh SEE ALSO
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.Xr krb5 3 ,
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.Xr krb5_data 3 ,
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.Xr krb5_keyblock 3 ,
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.Xr kerberos 8
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