f469fc6d49
This should allow master key rollover. (but the real reason is to allow multiple krbtgt accounts, as used by Active Directory to implement RODC support) Signed-off-by: Love Hornquist Astrand <lha@h5l.org>
125 lines
3.6 KiB
C
125 lines
3.6 KiB
C
/*
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* Copyright (c) 2007 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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#include "kdc_locl.h"
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static krb5plugin_windc_ftable *windcft;
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static void *windcctx;
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/*
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* Pick the first WINDC module that we find.
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*/
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krb5_error_code
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krb5_kdc_windc_init(krb5_context context)
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{
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struct krb5_plugin *list = NULL, *e;
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krb5_error_code ret;
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ret = _krb5_plugin_find(context, PLUGIN_TYPE_DATA, "windc", &list);
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if(ret != 0 || list == NULL)
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return 0;
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for (e = list; e != NULL; e = _krb5_plugin_get_next(e)) {
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windcft = _krb5_plugin_get_symbol(e);
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if (windcft->minor_version < KRB5_WINDC_PLUGIN_MINOR)
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continue;
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(*windcft->init)(context, &windcctx);
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break;
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}
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_krb5_plugin_free(list);
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if (e == NULL) {
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krb5_set_error_message(context, ENOENT, "Did not find any WINDC plugin");
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windcft = NULL;
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return ENOENT;
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}
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return 0;
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}
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krb5_error_code
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_kdc_pac_generate(krb5_context context,
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hdb_entry_ex *client,
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krb5_pac *pac)
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{
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*pac = NULL;
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if (windcft == NULL)
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return 0;
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return (windcft->pac_generate)(windcctx, context, client, pac);
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}
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krb5_error_code
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_kdc_pac_verify(krb5_context context,
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const krb5_principal client_principal,
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hdb_entry_ex *client,
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hdb_entry_ex *server,
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hdb_entry_ex *krbtgt,
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krb5_pac *pac,
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int *verified)
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{
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krb5_error_code ret;
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if (windcft == NULL)
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return 0;
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ret = windcft->pac_verify(windcctx, context,
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client_principal, client, server, krbtgt, pac);
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if (ret == 0)
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*verified = 1;
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return ret;
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}
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krb5_error_code
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_kdc_check_access(krb5_context context,
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krb5_kdc_configuration *config,
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hdb_entry_ex *client_ex, const char *client_name,
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hdb_entry_ex *server_ex, const char *server_name,
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KDC_REQ *req,
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krb5_data *e_data)
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{
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if (windcft == NULL)
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return kdc_check_flags(context, config,
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client_ex, client_name,
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server_ex, server_name,
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req->msg_type == krb_as_req);
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return (windcft->client_access)(windcctx,
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context, config,
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client_ex, client_name,
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server_ex, server_name,
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req, e_data);
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}
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