src/libcharon/plugins/eap_tnc/tnc_if_tnccs.c

   1 /*
   2  * Copyright (C) 2010 Andreas Steffen
   3  * Copyright (C) 2010 HSR Hochschule fuer Technik Rapperswil
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  */
  15
  16 #include "tnc_if_tnccs.h"
  17
  18 #include <debug.h>
  19
  20 typedef struct private_tnc_if_tnccs_t private_tnc_if_tnccs_t;
  21
  22 /**
  23  * Private data of a tnc_if_tnccs_t object.
  24  */
  25 struct private_tnc_if_tnccs_t {
  26
  27         /**
  28          * Public tls_t interface.
  29          */
  30         tls_t public;
  31
  32         /**
  33          * Role this TNC IF-TNCCS stack acts as.
  34          */
  35         bool is_server;
  36
  37         /**
  38          * TLS stack purpose, as given to constructor
  39          */
  40         tls_purpose_t purpose;
  41 };
  42
  43 METHOD(tls_t, process, status_t,
  44         private_tnc_if_tnccs_t *this, void *buf, size_t buflen)
  45 {
  46         chunk_t in = { buf, buflen };
  47
  48         /* TODO */
  49         DBG1(DBG_IKE, "received TNCCS-Batch: %B", &in);
  50         return NEED_MORE;
  51 }
  52
  53 METHOD(tls_t, build, status_t,
  54         private_tnc_if_tnccs_t *this, void *buf, size_t *buflen, size_t *msglen)
  55 {
  56         char output[] =
  57                 "<?xml version=\"1.0\"?>\n"
  58                 "<TNCCS-Batch BatchId=\"1\" Recipient=\"TNCS\"\n"
  59                 "xmlns=\"http://www.trustedcomputinggroup.org/IWG/TNC/1_0/IF_TNCCS#\"\n"
  60                 "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
  61                 "xsi:schemaLocation=\"http://www.trustedcomputinggroup.org/IWG/TNC/1_0/IF_TNCCS#\n"
  62                 "https://www.trustedcomputinggroup.org/XML/SCHEMA/TNCCS_1.0.xsd\">\n"
  63                 "</TNCCS-Batch>\n";
  64
  65         size_t len = strlen(output);
  66         chunk_t out = { output, len };
  67
  68         /* TODO */
  69         DBG1(DBG_IKE, "sending TNCCS-Batch: %B", &out);
  70         *buflen = len;
  71         *msglen = len;
  72         memcpy(buf, output, len);
  73
  74         return ALREADY_DONE;
  75 }
  76
  77 METHOD(tls_t, is_server, bool,
  78         private_tnc_if_tnccs_t *this)
  79 {
  80         return this->is_server;
  81 }
  82
  83 METHOD(tls_t, get_purpose, tls_purpose_t,
  84         private_tnc_if_tnccs_t *this)
  85 {
  86         return this->purpose;
  87 }
  88
  89 METHOD(tls_t, is_complete, bool,
  90         private_tnc_if_tnccs_t *this)
  91 {
  92         /* TODO */
  93         return FALSE;
  94 }
  95
  96 METHOD(tls_t, get_eap_msk, chunk_t,
  97         private_tnc_if_tnccs_t *this)
  98 {
  99         return chunk_empty;
 100 }
 101
 102 METHOD(tls_t, destroy, void,
 103         private_tnc_if_tnccs_t *this)
 104 {
 105         free(this);
 106 }
 107
 108 /**
 109  * See header
 110  */
 111 tls_t *tnc_if_tnccs_create(bool is_server, tls_purpose_t purpose)
 112 {
 113         private_tnc_if_tnccs_t *this;
 114
 115         switch (purpose)
 116         {
 117                 case TLS_PURPOSE_EAP_TNC:
 118                         break;
 119                 default:
 120                         return NULL;
 121         }
 122
 123         INIT(this,
 124                 .public = {
 125                         .process = _process,
 126                         .build = _build,
 127                         .is_server = _is_server,
 128                         .get_purpose = _get_purpose,
 129                         .is_complete = _is_complete,
 130                         .get_eap_msk = _get_eap_msk,
 131                         .destroy = _destroy,
 132                 },
 133                 .is_server = is_server,
 134                 .purpose = purpose,
 135         );
 136
 137         return &this->public;
 138 }