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/*
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 * QEMU VNC display driver. TLS helpers
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 *
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 * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws>
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 * Copyright (C) 2006 Fabrice Bellard
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 * Copyright (C) 2009 Red Hat, Inc
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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#ifndef __QEMU_VNC_TLS_H__
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#define __QEMU_VNC_TLS_H__
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#include <gnutls/gnutls.h>
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#include <gnutls/x509.h>
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#include "acl.h"
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enum {
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    VNC_WIREMODE_CLEAR,
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    VNC_WIREMODE_TLS,
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};
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typedef struct VncDisplayTLS VncDisplayTLS;
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typedef struct VncStateTLS VncStateTLS;
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/* Server state */
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struct VncDisplayTLS {
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    int x509verify; /* Non-zero if server requests & validates client cert */
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    qemu_acl *acl;
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    /* Paths to x509 certs/keys */
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    char *x509cacert;
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    char *x509cacrl;
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    char *x509cert;
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    char *x509key;
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};
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/* Per client state */
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struct VncStateTLS {
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    /* Whether data is being TLS encrypted yet */
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    int wiremode;
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    gnutls_session_t session;
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    /* Client's Distinguished Name from the x509 cert */
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    char *dname;
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};
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int vnc_tls_client_setup(VncState *vs, int x509Creds);
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void vnc_tls_client_cleanup(VncState *vs);
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int vnc_tls_validate_certificate(VncState *vs);
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int vnc_tls_set_x509_creds_dir(VncDisplay *vd,
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                               const char *path);
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#endif /* __QEMU_VNC_TLS_H__ */
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