include/crypto/tlscredspsk.h

   1 /*
   2  * QEMU crypto TLS Pre-Shared Key (PSK) support
   3  *
   4  * Copyright (c) 2018 Red Hat, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #ifndef QCRYPTO_TLSCREDSPSK_H
  22 #define QCRYPTO_TLSCREDSPSK_H
  23
  24 #include "crypto/tlscreds.h"
  25 #include "qom/object.h"
  26
  27 #define TYPE_QCRYPTO_TLS_CREDS_PSK "tls-creds-psk"
  28 typedef struct QCryptoTLSCredsPSK QCryptoTLSCredsPSK;
  29 DECLARE_INSTANCE_CHECKER(QCryptoTLSCredsPSK, QCRYPTO_TLS_CREDS_PSK,
  30                          TYPE_QCRYPTO_TLS_CREDS_PSK)
  31
  32 typedef struct QCryptoTLSCredsPSKClass QCryptoTLSCredsPSKClass;
  33
  34 #define QCRYPTO_TLS_CREDS_PSKFILE "keys.psk"
  35
  36 /**
  37  * QCryptoTLSCredsPSK:
  38  *
  39  * The QCryptoTLSCredsPSK object provides a representation
  40  * of the Pre-Shared Key credential used to perform a TLS handshake.
  41  *
  42  * This is a user creatable object, which can be instantiated
  43  * via object_new_propv():
  44  *
  45  * <example>
  46  *   <title>Creating TLS-PSK credential objects in code</title>
  47  *   <programlisting>
  48  *   Object *obj;
  49  *   Error *err = NULL;
  50  *   obj = object_new_propv(TYPE_QCRYPTO_TLS_CREDS_PSK,
  51  *                          "tlscreds0",
  52  *                          &err,
  53  *                          "dir", "/path/to/dir",
  54  *                          "endpoint", "client",
  55  *                          NULL);
  56  *   </programlisting>
  57  * </example>
  58  *
  59  * Or via QMP:
  60  *
  61  * <example>
  62  *   <title>Creating TLS-PSK credential objects via QMP</title>
  63  *   <programlisting>
  64  *    {
  65  *       "execute": "object-add", "arguments": {
  66  *          "id": "tlscreds0",
  67  *          "qom-type": "tls-creds-psk",
  68  *          "props": {
  69  *             "dir": "/path/to/dir",
  70  *             "endpoint": "client"
  71  *          }
  72  *       }
  73  *    }
  74  *   </programlisting>
  75  * </example>
  76  *
  77  * Or via the CLI:
  78  *
  79  * <example>
  80  *   <title>Creating TLS-PSK credential objects via CLI</title>
  81  *   <programlisting>
  82  *  qemu-system-x86_64 --object tls-creds-psk,id=tlscreds0,\
  83  *          endpoint=client,dir=/path/to/dir[,username=qemu]
  84  *   </programlisting>
  85  * </example>
  86  *
  87  * The PSK file can be created and managed using psktool.
  88  */
  89
  90 struct QCryptoTLSCredsPSK {
  91     QCryptoTLSCreds parent_obj;
  92     char *username;
  93 #ifdef CONFIG_GNUTLS
  94     union {
  95         gnutls_psk_server_credentials_t server;
  96         gnutls_psk_client_credentials_t client;
  97     } data;
  98 #endif
  99 };
 100
 101
 102 struct QCryptoTLSCredsPSKClass {
 103     QCryptoTLSCredsClass parent_class;
 104 };
 105
 106
 107 #endif /* QCRYPTO_TLSCREDSPSK_H */