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 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
  26 #define TYPE_QCRYPTO_TLS_CREDS_PSK "tls-creds-psk"
  27 #define QCRYPTO_TLS_CREDS_PSK(obj)                  \
  28     OBJECT_CHECK(QCryptoTLSCredsPSK, (obj), TYPE_QCRYPTO_TLS_CREDS_PSK)
  29
  30 typedef struct QCryptoTLSCredsPSK QCryptoTLSCredsPSK;
  31 typedef struct QCryptoTLSCredsPSKClass QCryptoTLSCredsPSKClass;
  32
  33 #define QCRYPTO_TLS_CREDS_PSKFILE "keys.psk"
  34
  35 /**
  36  * QCryptoTLSCredsPSK:
  37  *
  38  * The QCryptoTLSCredsPSK object provides a representation
  39  * of the Pre-Shared Key credential used to perform a TLS handshake.
  40  *
  41  * This is a user creatable object, which can be instantiated
  42  * via object_new_propv():
  43  *
  44  * <example>
  45  *   <title>Creating TLS-PSK credential objects in code</title>
  46  *   <programlisting>
  47  *   Object *obj;
  48  *   Error *err = NULL;
  49  *   obj = object_new_propv(TYPE_QCRYPTO_TLS_CREDS_PSK,
  50  *                          "tlscreds0",
  51  *                          &err,
  52  *                          "dir", "/path/to/dir",
  53  *                          "endpoint", "client",
  54  *                          NULL);
  55  *   </programlisting>
  56  * </example>
  57  *
  58  * Or via QMP:
  59  *
  60  * <example>
  61  *   <title>Creating TLS-PSK credential objects via QMP</title>
  62  *   <programlisting>
  63  *    {
  64  *       "execute": "object-add", "arguments": {
  65  *          "id": "tlscreds0",
  66  *          "qom-type": "tls-creds-psk",
  67  *          "props": {
  68  *             "dir": "/path/to/dir",
  69  *             "endpoint": "client"
  70  *          }
  71  *       }
  72  *    }
  73  *   </programlisting>
  74  * </example>
  75  *
  76  * Or via the CLI:
  77  *
  78  * <example>
  79  *   <title>Creating TLS-PSK credential objects via CLI</title>
  80  *   <programlisting>
  81  *  qemu-system-x86_64 --object tls-creds-psk,id=tlscreds0,\
  82  *          endpoint=client,dir=/path/to/dir[,username=qemu]
  83  *   </programlisting>
  84  * </example>
  85  *
  86  * The PSK file can be created and managed using psktool.
  87  */
  88
  89 struct QCryptoTLSCredsPSK {
  90     QCryptoTLSCreds parent_obj;
  91     char *username;
  92 #ifdef CONFIG_GNUTLS
  93     union {
  94         gnutls_psk_server_credentials_t server;
  95         gnutls_psk_client_credentials_t client;
  96     } data;
  97 #endif
  98 };
  99
 100
 101 struct QCryptoTLSCredsPSKClass {
 102     QCryptoTLSCredsClass parent_class;
 103 };
 104
 105
 106 #endif /* QCRYPTO_TLSCREDSPSK_H */