1 /* 2 * Copyright (c) 1998 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 "ftpd_locl.h" 35 #include <gssapi.h> 36 #include <krb5.h> 37 38 RCSID("$Id: gss_userok.c,v 1.2 1999/12/02 16:58:31 joda Exp $"); 39 40 /* XXX a bit too much of krb5 dependency here... 41 What is the correct way to do this? 42 */ 43 44 extern krb5_context gssapi_krb5_context; 45 46 /* XXX sync with gssapi.c */ 47 struct gss_data { 48 gss_ctx_id_t context_hdl; 49 char *client_name; 50 }; 51 52 int gss_userok(void*, char*); /* to keep gcc happy */ 53 54 int 55 gss_userok(void *app_data, char *username) 56 { 57 struct gss_data *data = app_data; 58 if(gssapi_krb5_context) { 59 krb5_principal client; 60 krb5_error_code ret; 61 ret = krb5_parse_name(gssapi_krb5_context, data->client_name, &client); 62 if(ret) 63 return 1; 64 ret = krb5_kuserok(gssapi_krb5_context, client, username); 65 krb5_free_principal(gssapi_krb5_context, client); 66 return !ret; 67 } 68 return 1; 69 } 70