1 /* $NetBSD: mk_req.c,v 1.1.1.1 2011/04/13 18:15:36 elric Exp $ */ 2 3 /* 4 * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include "krb5_locl.h" 37 38 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 39 krb5_mk_req_exact(krb5_context context, 40 krb5_auth_context *auth_context, 41 const krb5_flags ap_req_options, 42 const krb5_principal server, 43 krb5_data *in_data, 44 krb5_ccache ccache, 45 krb5_data *outbuf) 46 { 47 krb5_error_code ret; 48 krb5_creds this_cred, *cred; 49 50 memset(&this_cred, 0, sizeof(this_cred)); 51 52 ret = krb5_cc_get_principal(context, ccache, &this_cred.client); 53 54 if(ret) 55 return ret; 56 57 ret = krb5_copy_principal (context, server, &this_cred.server); 58 if (ret) { 59 krb5_free_cred_contents (context, &this_cred); 60 return ret; 61 } 62 63 this_cred.times.endtime = 0; 64 if (auth_context && *auth_context && (*auth_context)->keytype) 65 this_cred.session.keytype = (*auth_context)->keytype; 66 67 ret = krb5_get_credentials (context, 0, ccache, &this_cred, &cred); 68 krb5_free_cred_contents(context, &this_cred); 69 if (ret) 70 return ret; 71 72 ret = krb5_mk_req_extended (context, 73 auth_context, 74 ap_req_options, 75 in_data, 76 cred, 77 outbuf); 78 krb5_free_creds(context, cred); 79 return ret; 80 } 81 82 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 83 krb5_mk_req(krb5_context context, 84 krb5_auth_context *auth_context, 85 const krb5_flags ap_req_options, 86 const char *service, 87 const char *hostname, 88 krb5_data *in_data, 89 krb5_ccache ccache, 90 krb5_data *outbuf) 91 { 92 krb5_error_code ret; 93 char **realms; 94 char *real_hostname; 95 krb5_principal server; 96 97 ret = krb5_expand_hostname_realms (context, hostname, 98 &real_hostname, &realms); 99 if (ret) 100 return ret; 101 102 ret = krb5_build_principal (context, &server, 103 strlen(*realms), 104 *realms, 105 service, 106 real_hostname, 107 NULL); 108 free (real_hostname); 109 krb5_free_host_realm (context, realms); 110 if (ret) 111 return ret; 112 ret = krb5_mk_req_exact (context, auth_context, ap_req_options, 113 server, in_data, ccache, outbuf); 114 krb5_free_principal (context, server); 115 return ret; 116 } 117