1 /* 2 * Copyright (c) 1997, 1998, 1999 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 <krb5_locl.h> 35 36 RCSID("$Id: mk_req.c,v 1.18 1999/12/02 17:05:11 joda Exp $"); 37 38 krb5_error_code 39 krb5_mk_req(krb5_context context, 40 krb5_auth_context *auth_context, 41 const krb5_flags ap_req_options, 42 char *service, 43 char *hostname, 44 krb5_data *in_data, 45 krb5_ccache ccache, 46 krb5_data *outbuf) 47 { 48 krb5_error_code r; 49 krb5_creds this_cred, *cred; 50 char **realms; 51 krb5_data realm_data; 52 char *real_hostname; 53 54 memset(&this_cred, 0, sizeof(this_cred)); 55 56 r = krb5_cc_get_principal(context, ccache, &this_cred.client); 57 58 if(r) 59 return r; 60 61 r = krb5_expand_hostname (context, hostname, &real_hostname); 62 if (r) { 63 krb5_free_principal (context, this_cred.client); 64 return r; 65 } 66 67 r = krb5_get_host_realm(context, real_hostname, &realms); 68 if (r) { 69 krb5_free_principal (context, this_cred.client); 70 return r; 71 } 72 realm_data.length = strlen(*realms); 73 realm_data.data = *realms; 74 75 r = krb5_build_principal (context, &this_cred.server, 76 strlen(*realms), 77 *realms, 78 service, 79 real_hostname, 80 NULL); 81 free (real_hostname); 82 krb5_free_host_realm (context, realms); 83 84 if (r) { 85 krb5_free_principal (context, this_cred.client); 86 return r; 87 } 88 this_cred.times.endtime = 0; 89 if (auth_context && *auth_context && (*auth_context)->keytype) 90 this_cred.session.keytype = (*auth_context)->keytype; 91 92 r = krb5_get_credentials (context, 0, ccache, &this_cred, &cred); 93 if (r) 94 return r; 95 96 return krb5_mk_req_extended (context, 97 auth_context, 98 ap_req_options, 99 in_data, 100 cred, 101 outbuf); 102 } 103