1 | /* $Id: VBoxSharedClipboardSvc-x11-stubs.cpp 87566 2021-02-03 13:48:48Z vboxsync $*/
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2 | /** @file
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3 | * Shared Clipboard Service - Linux host, a stub version with no functionality for use on headless hosts.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2020 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 |
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19 | /*********************************************************************************************************************************
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20 | * Header Files *
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21 | *********************************************************************************************************************************/
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22 | #define LOG_GROUP LOG_GROUP_SHARED_CLIPBOARD
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23 | #include <VBox/HostServices/VBoxClipboardSvc.h>
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24 |
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25 | #include <iprt/alloc.h>
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26 | #include <iprt/asm.h> /* For atomic operations */
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27 | #include <iprt/assert.h>
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28 | #include <iprt/mem.h>
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29 | #include <iprt/string.h>
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30 | #include <iprt/thread.h>
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31 | #include <iprt/process.h>
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32 | #include <iprt/semaphore.h>
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33 | #include <string.h>
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34 | #include <stdio.h>
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35 | #include <stdint.h>
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36 |
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37 | #include "VBoxSharedClipboardSvc-internal.h"
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38 |
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39 |
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40 | /*
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41 | * Initialise the host side of the shared clipboard - called by the hgcm layer.
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42 | */
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43 | int ShClBackendInit(void)
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44 | {
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45 | LogFlowFunc(("called, returning VINF_SUCCESS\n"));
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46 | return VINF_SUCCESS;
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47 | }
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48 |
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49 | /*
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50 | * Terminate the host side of the shared clipboard - called by the hgcm layer.
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51 | */
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52 | void ShClBackendDestroy(void)
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53 | {
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54 | LogFlowFunc(("called, returning\n"));
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55 | }
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56 |
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57 | int ShClBackendConnect(PSHCLCLIENT pClient, bool fHeadless)
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58 | {
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59 | RT_NOREF(pClient, fHeadless);
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60 | LogFlowFunc(("called, returning VINF_SUCCESS\n"));
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61 | return VINF_SUCCESS;
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62 | }
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63 |
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64 | /*
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65 | * Synchronise the contents of the host clipboard with the guest, called by the HGCM layer
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66 | * after a save and restore of the guest.
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67 | */
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68 | int ShClBackendSync(PSHCLCLIENT pClient)
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69 | {
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70 | RT_NOREF(pClient);
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71 | LogFlowFunc(("called, returning VINF_SUCCESS\n"));
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72 | return VINF_SUCCESS;
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73 | }
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74 |
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75 | int ShClBackendDisconnect(PSHCLCLIENT pClient)
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76 | {
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77 | RT_NOREF(pClient);
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78 | return VINF_SUCCESS;
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79 | }
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80 |
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81 | /*
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82 | * The guest is taking possession of the shared clipboard.
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83 | * Called by the HGCM clipboard subsystem.
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84 | */
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85 | int ShClBackendFormatAnnounce(PSHCLCLIENT pClient, SHCLFORMATS fFormats)
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86 | {
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87 | RT_NOREF(pClient, fFormats);
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88 | return VINF_SUCCESS;
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89 | }
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90 |
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91 | /*
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92 | * Called by the HGCM clipboard subsystem when the guest wants to read the host clipboard.
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93 | */
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94 | int ShClBackendReadData(PSHCLCLIENT pClient, PSHCLCLIENTCMDCTX pCmdCtx,
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95 | SHCLFORMAT uFormat, void *pvData, uint32_t cbData, uint32_t *pcbActual)
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96 | {
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97 | RT_NOREF(pClient, pCmdCtx, uFormat, pvData, cbData);
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98 |
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99 | /* No data available. */
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100 | *pcbActual = 0;
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101 |
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102 | return VINF_SUCCESS;
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103 | }
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104 |
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105 | int ShClBackendWriteData(PSHCLCLIENT pClient, PSHCLCLIENTCMDCTX pCmdCtx,
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106 | SHCLFORMAT uFormat, void *pvData, uint32_t cbData)
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107 | {
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108 | RT_NOREF(pClient, pCmdCtx, uFormat, pvData, cbData);
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109 | return VERR_NOT_IMPLEMENTED;
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110 | }
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111 |
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