1 /* 2 * Copyright (c) 1997 - 2004 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 "krb5_locl.h" 35 36 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 37 krb5_mk_req_exact(krb5_context context, 38 krb5_auth_context *auth_context, 39 const krb5_flags ap_req_options, 40 const krb5_principal server, 41 krb5_data *in_data, 42 krb5_ccache ccache, 43 krb5_data *outbuf) 44 { 45 krb5_error_code ret; 46 krb5_creds this_cred, *cred; 47 48 memset(&this_cred, 0, sizeof(this_cred)); 49 50 ret = krb5_cc_get_principal(context, ccache, &this_cred.client); 51 52 if(ret) 53 return ret; 54 55 ret = krb5_copy_principal (context, server, &this_cred.server); 56 if (ret) { 57 krb5_free_cred_contents (context, &this_cred); 58 return ret; 59 } 60 61 this_cred.times.endtime = 0; 62 if (auth_context && *auth_context && (*auth_context)->keytype) 63 this_cred.session.keytype = (*auth_context)->keytype; 64 65 ret = krb5_get_credentials (context, 0, ccache, &this_cred, &cred); 66 krb5_free_cred_contents(context, &this_cred); 67 if (ret) 68 return ret; 69 70 ret = krb5_mk_req_extended (context, 71 auth_context, 72 ap_req_options, 73 in_data, 74 cred, 75 outbuf); 76 krb5_free_creds(context, cred); 77 return ret; 78 } 79 80 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 81 krb5_mk_req(krb5_context context, 82 krb5_auth_context *auth_context, 83 const krb5_flags ap_req_options, 84 const char *service, 85 const char *hostname, 86 krb5_data *in_data, 87 krb5_ccache ccache, 88 krb5_data *outbuf) 89 { 90 krb5_error_code ret; 91 char **realms; 92 char *real_hostname; 93 krb5_principal server; 94 95 ret = krb5_expand_hostname_realms (context, hostname, 96 &real_hostname, &realms); 97 if (ret) 98 return ret; 99 100 ret = krb5_build_principal (context, &server, 101 strlen(*realms), 102 *realms, 103 service, 104 real_hostname, 105 NULL); 106 free (real_hostname); 107 krb5_free_host_realm (context, realms); 108 if (ret) 109 return ret; 110 ret = krb5_mk_req_exact (context, auth_context, ap_req_options, 111 server, in_data, ccache, outbuf); 112 krb5_free_principal (context, server); 113 return ret; 114 } 115