2015-03-13 18:39:26 +01:00
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/*
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* QEMU crypto TLS credential support
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*
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* Copyright (c) 2015 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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2016-06-29 10:12:57 +02:00
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#ifndef QCRYPTO_TLSCREDS_H
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#define QCRYPTO_TLSCREDS_H
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2015-03-13 18:39:26 +01:00
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2018-02-11 10:36:01 +01:00
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#include "qapi/qapi-types-crypto.h"
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2015-03-13 18:39:26 +01:00
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#include "qom/object.h"
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#ifdef CONFIG_GNUTLS
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#include <gnutls/gnutls.h>
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#endif
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#define TYPE_QCRYPTO_TLS_CREDS "tls-creds"
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#define QCRYPTO_TLS_CREDS(obj) \
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OBJECT_CHECK(QCryptoTLSCreds, (obj), TYPE_QCRYPTO_TLS_CREDS)
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typedef struct QCryptoTLSCreds QCryptoTLSCreds;
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typedef struct QCryptoTLSCredsClass QCryptoTLSCredsClass;
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#define QCRYPTO_TLS_CREDS_DH_PARAMS "dh-params.pem"
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/**
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* QCryptoTLSCreds:
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*
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* The QCryptoTLSCreds object is an abstract base for different
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* types of TLS handshake credentials. Most commonly the
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* QCryptoTLSCredsX509 subclass will be used to provide x509
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* certificate credentials.
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*/
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struct QCryptoTLSCreds {
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Object parent_obj;
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char *dir;
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QCryptoTLSCredsEndpoint endpoint;
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#ifdef CONFIG_GNUTLS
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gnutls_dh_params_t dh_params;
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#endif
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bool verifyPeer;
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crypto: add support for TLS priority string override
The gnutls default priority is either "NORMAL" (most historical
versions of gnutls) which is a built-in label in gnutls code,
or "@SYSTEM" (latest gnutls on Fedora at least) which refers
to an admin customizable entry in a gnutls config file.
Regardless of which default is used by a distro, they are both
global defaults applying to all applications using gnutls. If
a single application on the system needs to use a weaker set
of crypto priorities, this potentially forces the weakness onto
all applications. Or conversely if a single application wants a
strong default than all others, it can't do this via the global
config file.
This adds an extra parameter to the tls credential object which
allows the mgmt app / user to explicitly provide a priority
string to QEMU when configuring TLS.
For example, to use the "NORMAL" priority, but disable SSL 3.0
one can now configure QEMU thus:
$QEMU -object tls-creds-x509,id=tls0,dir=/home/berrange/qemutls,\
priority="NORMAL:-VERS-SSL3.0" \
..other args...
If creating tls-creds-anon, whatever priority the user specifies
will always have "+ANON-DH" appended to it, since that's mandatory
to make the anonymous credentials work.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-06-06 10:52:07 +02:00
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char *priority;
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2015-03-13 18:39:26 +01:00
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};
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struct QCryptoTLSCredsClass {
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ObjectClass parent_class;
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};
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2016-06-29 10:12:57 +02:00
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#endif /* QCRYPTO_TLSCREDS_H */
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