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Merge tag 'pull-aspeed-20240201' of https://github.com/legoater/qemu into staging
[mirror_qemu.git] / ui / vnc-auth-sasl.h
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1/*
2 * QEMU VNC display driver: SASL auth protocol
3 *
4 * Copyright (C) 2009 Red Hat, Inc
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
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25#ifndef QEMU_VNC_AUTH_SASL_H
26#define QEMU_VNC_AUTH_SASL_H
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27
28#include <sasl/sasl.h>
29
30typedef struct VncStateSASL VncStateSASL;
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31typedef struct VncDisplaySASL VncDisplaySASL;
32
b76806d4 33#include "authz/base.h"
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34
35struct VncStateSASL {
36 sasl_conn_t *conn;
37 /* If we want to negotiate an SSF layer with client */
ee032ca1 38 bool wantSSF;
2f9606b3 39 /* If we are now running the SSF layer */
ee032ca1 40 bool runSSF;
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41 /*
42 * If this is non-zero, then wait for that many bytes
43 * to be written plain, before switching to SSF encoding
44 * This allows the VNC auth result to finish being
45 * written in plain.
46 */
47 unsigned int waitWriteSSF;
48
49 /*
50 * Buffering encoded data to allow more clear data
51 * to be stuffed onto the output buffer
52 */
53 const uint8_t *encoded;
54 unsigned int encodedLength;
8f61f1c5 55 unsigned int encodedRawLength;
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56 unsigned int encodedOffset;
57 char *username;
58 char *mechlist;
59};
60
76655d6d 61struct VncDisplaySASL {
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62 QAuthZ *authz;
63 char *authzid;
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64};
65
b65310ab 66bool vnc_sasl_server_init(Error **errp);
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67void vnc_sasl_client_cleanup(VncState *vs);
68
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69size_t vnc_client_read_sasl(VncState *vs);
70size_t vnc_client_write_sasl(VncState *vs);
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71
72void start_auth_sasl(VncState *vs);
73
2a6a4076 74#endif /* QEMU_VNC_AUTH_SASL_H */