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         /* TODO */
  47         return NEED_MORE;
  48 }
  49
  50 METHOD(tls_t, build, status_t,
  51         private_tnc_if_tnccs_t *this, void *buf, size_t *buflen, size_t *msglen)
  52 {
  53         char output[] = "Hello World";
  54         size_t len = strlen(output);
  55
  56         /* TODO */
  57         *buflen = len;
  58         *msglen = len;
  59         memcpy(buf, output, len);
  60
  61         return ALREADY_DONE;
  62 }
  63
  64 METHOD(tls_t, is_server, bool,
  65         private_tnc_if_tnccs_t *this)
  66 {
  67         return this->is_server;
  68 }
  69
  70 METHOD(tls_t, get_purpose, tls_purpose_t,
  71         private_tnc_if_tnccs_t *this)
  72 {
  73         return this->purpose;
  74 }
  75
  76 METHOD(tls_t, is_complete, bool,
  77         private_tnc_if_tnccs_t *this)
  78 {
  79         /* TODO */
  80         return TRUE;
  81 }
  82
  83 METHOD(tls_t, get_eap_msk, chunk_t,
  84         private_tnc_if_tnccs_t *this)
  85 {
  86         return chunk_empty;
  87 }
  88
  89 METHOD(tls_t, destroy, void,
  90         private_tnc_if_tnccs_t *this)
  91 {
  92         free(this);
  93 }
  94
  95 /**
  96  * See header
  97  */
  98 tls_t *tnc_if_tnccs_create(bool is_server, tls_purpose_t purpose)
  99 {
 100         private_tnc_if_tnccs_t *this;
 101
 102         switch (purpose)
 103         {
 104                 case TLS_PURPOSE_EAP_TNC:
 105                         break;
 106                 default:
 107                         return NULL;
 108         }
 109
 110         INIT(this,
 111                 .public = {
 112                         .process = _process,
 113                         .build = _build,
 114                         .is_server = _is_server,
 115                         .get_purpose = _get_purpose,
 116                         .is_complete = _is_complete,
 117                         .get_eap_msk = _get_eap_msk,
 118                         .destroy = _destroy,
 119                 },
 120                 .is_server = is_server,
 121                 .purpose = purpose,
 122         );
 123
 124         return &this->public;
 125 }