1/* 2 * Copyright (c) 2007 Kungliga Tekniska H��gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#include "kdc_locl.h" 35 36RCSID("$Id: windc.c,v 1.1.1.1 2011/06/10 09:34:43 andrew Exp $"); 37 38static krb5plugin_windc_ftable *windcft; 39static void *windcctx; 40 41/* 42 * Pick the first WINDC module that we find. 43 */ 44 45krb5_error_code 46krb5_kdc_windc_init(krb5_context context) 47{ 48 struct krb5_plugin *list = NULL, *e; 49 krb5_error_code ret; 50 51 ret = _krb5_plugin_find(context, PLUGIN_TYPE_DATA, "windc", &list); 52 if(ret != 0 || list == NULL) 53 return 0; 54 55 for (e = list; e != NULL; e = _krb5_plugin_get_next(e)) { 56 57 windcft = _krb5_plugin_get_symbol(e); 58 if (windcft->minor_version < KRB5_WINDC_PLUGING_MINOR) 59 continue; 60 61 (*windcft->init)(context, &windcctx); 62 break; 63 } 64 if (e == NULL) { 65 _krb5_plugin_free(list); 66 krb5_set_error_message(context, ENOENT, "Did not find any WINDC plugin"); 67 windcft = NULL; 68 return ENOENT; 69 } 70 71 return 0; 72} 73 74 75krb5_error_code 76_kdc_pac_generate(krb5_context context, 77 hdb_entry_ex *client, 78 krb5_pac *pac) 79{ 80 *pac = NULL; 81 if (windcft == NULL) 82 return 0; 83 return (windcft->pac_generate)(windcctx, context, client, pac); 84} 85 86krb5_error_code 87_kdc_pac_verify(krb5_context context, 88 const krb5_principal client_principal, 89 hdb_entry_ex *client, 90 hdb_entry_ex *server, 91 krb5_pac *pac) 92{ 93 if (windcft == NULL) { 94 krb5_set_error_message(context, EINVAL, "Can't verify PAC, no function"); 95 return EINVAL; 96 } 97 return (windcft->pac_verify)(windcctx, context, 98 client_principal, client, server, pac); 99} 100 101krb5_error_code 102_kdc_check_access(krb5_context context, 103 krb5_kdc_configuration *config, 104 hdb_entry_ex *client_ex, const char *client_name, 105 hdb_entry_ex *server_ex, const char *server_name, 106 KDC_REQ *req, 107 krb5_data *e_data) 108{ 109 if (windcft == NULL) 110 return kdc_check_flags(context, config, 111 client_ex, client_name, 112 server_ex, server_name, 113 req->msg_type == krb_as_req); 114 115 return (windcft->client_access)(windcctx, 116 context, config, 117 client_ex, client_name, 118 server_ex, server_name, 119 req, e_data); 120} 121