1b528cefcSMark Murray /* 2b528cefcSMark Murray * Copyright (c) 1998 Kungliga Tekniska H�gskolan 3b528cefcSMark Murray * (Royal Institute of Technology, Stockholm, Sweden). 4b528cefcSMark Murray * All rights reserved. 5b528cefcSMark Murray * 6b528cefcSMark Murray * Redistribution and use in source and binary forms, with or without 7b528cefcSMark Murray * modification, are permitted provided that the following conditions 8b528cefcSMark Murray * are met: 9b528cefcSMark Murray * 10b528cefcSMark Murray * 1. Redistributions of source code must retain the above copyright 11b528cefcSMark Murray * notice, this list of conditions and the following disclaimer. 12b528cefcSMark Murray * 13b528cefcSMark Murray * 2. Redistributions in binary form must reproduce the above copyright 14b528cefcSMark Murray * notice, this list of conditions and the following disclaimer in the 15b528cefcSMark Murray * documentation and/or other materials provided with the distribution. 16b528cefcSMark Murray * 17b528cefcSMark Murray * 3. Neither the name of the Institute nor the names of its contributors 18b528cefcSMark Murray * may be used to endorse or promote products derived from this software 19b528cefcSMark Murray * without specific prior written permission. 20b528cefcSMark Murray * 21b528cefcSMark Murray * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22b528cefcSMark Murray * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23b528cefcSMark Murray * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24b528cefcSMark Murray * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25b528cefcSMark Murray * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26b528cefcSMark Murray * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27b528cefcSMark Murray * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28b528cefcSMark Murray * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29b528cefcSMark Murray * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30b528cefcSMark Murray * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31b528cefcSMark Murray * SUCH DAMAGE. 32b528cefcSMark Murray */ 33b528cefcSMark Murray 34b528cefcSMark Murray #include "ftpd_locl.h" 35b528cefcSMark Murray #include <gssapi.h> 36b528cefcSMark Murray #include <krb5.h> 37b528cefcSMark Murray 38b528cefcSMark Murray RCSID("$Id: gss_userok.c,v 1.2 1999/12/02 16:58:31 joda Exp $"); 39b528cefcSMark Murray 40b528cefcSMark Murray /* XXX a bit too much of krb5 dependency here... 41b528cefcSMark Murray What is the correct way to do this? 42b528cefcSMark Murray */ 43b528cefcSMark Murray 44b528cefcSMark Murray extern krb5_context gssapi_krb5_context; 45b528cefcSMark Murray 46b528cefcSMark Murray /* XXX sync with gssapi.c */ 47b528cefcSMark Murray struct gss_data { 48b528cefcSMark Murray gss_ctx_id_t context_hdl; 49b528cefcSMark Murray char *client_name; 50b528cefcSMark Murray }; 51b528cefcSMark Murray 52b528cefcSMark Murray int gss_userok(void*, char*); /* to keep gcc happy */ 53b528cefcSMark Murray 54b528cefcSMark Murray int 55b528cefcSMark Murray gss_userok(void *app_data, char *username) 56b528cefcSMark Murray { 57b528cefcSMark Murray struct gss_data *data = app_data; 58b528cefcSMark Murray if(gssapi_krb5_context) { 59b528cefcSMark Murray krb5_principal client; 60b528cefcSMark Murray krb5_error_code ret; 61b528cefcSMark Murray ret = krb5_parse_name(gssapi_krb5_context, data->client_name, &client); 62b528cefcSMark Murray if(ret) 63b528cefcSMark Murray return 1; 64b528cefcSMark Murray ret = krb5_kuserok(gssapi_krb5_context, client, username); 65b528cefcSMark Murray krb5_free_principal(gssapi_krb5_context, client); 66b528cefcSMark Murray return !ret; 67b528cefcSMark Murray } 68b528cefcSMark Murray return 1; 69b528cefcSMark Murray } 70