1 /* 2 * Copyright (c) 1998 - 2001 Kungliga Tekniska Högskolan 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/gssapi.h> 36 37 /* XXX sync with gssapi.c */ 38 struct gssapi_data { 39 gss_ctx_id_t context_hdl; 40 gss_name_t client_name; 41 gss_cred_id_t delegated_cred_handle; 42 void *mech_data; 43 }; 44 45 int gssapi_userok(void*, char*); /* to keep gcc happy */ 46 int gssapi_session(void*, char*); /* to keep gcc happy */ 47 48 int 49 gssapi_userok(void *app_data, char *username) 50 { 51 struct gssapi_data *data = app_data; 52 53 /* Yes, this logic really is inverted. */ 54 return !gss_userok(data->client_name, username); 55 } 56 57 int 58 gssapi_session(void *app_data, char *username) 59 { 60 struct gssapi_data *data = app_data; 61 OM_uint32 major, minor; 62 int ret = 0; 63 64 if (data->delegated_cred_handle != GSS_C_NO_CREDENTIAL) { 65 major = gss_store_cred(&minor, data->delegated_cred_handle, 66 GSS_C_INITIATE, GSS_C_NO_OID, 67 1, 1, NULL, NULL); 68 if (GSS_ERROR(major)) 69 ret = 1; 70 afslog(NULL, 1); 71 } 72 73 gss_release_cred(&minor, &data->delegated_cred_handle); 74 return ret; 75 } 76