| 1 | /* $Id: VBoxServiceInternal.h 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBoxService - Guest Additions Services.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2007-2020 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 | #ifndef GA_INCLUDED_SRC_common_VBoxService_VBoxServiceInternal_h
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| 19 | #define GA_INCLUDED_SRC_common_VBoxService_VBoxServiceInternal_h
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| 20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 21 | # pragma once
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| 22 | #endif
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| 23 |
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| 24 | #include <stdio.h>
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| 25 | #ifdef RT_OS_WINDOWS
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| 26 | # include <iprt/win/windows.h>
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| 27 | # include <process.h> /* Needed for file version information. */
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| 28 | #endif
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| 29 |
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| 30 | #include <iprt/list.h>
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| 31 | #include <iprt/critsect.h>
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| 32 | #include <iprt/path.h> /* RTPATH_MAX */
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| 33 | #include <iprt/stdarg.h>
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| 34 |
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| 35 | #include <VBox/VBoxGuestLib.h>
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| 36 | #include <VBox/HostServices/GuestControlSvc.h>
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| 37 |
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| 38 | /**
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| 39 | * A service descriptor.
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| 40 | */
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| 41 | typedef struct
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| 42 | {
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| 43 | /** The short service name. */
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| 44 | const char *pszName;
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| 45 | /** The longer service name. */
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| 46 | const char *pszDescription;
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| 47 | /** The usage options stuff for the --help screen. */
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| 48 | const char *pszUsage;
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| 49 | /** The option descriptions for the --help screen. */
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| 50 | const char *pszOptions;
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| 51 |
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| 52 | /**
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| 53 | * Called before parsing arguments.
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| 54 | * @returns VBox status code.
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| 55 | */
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| 56 | DECLCALLBACKMEMBER(int, pfnPreInit)(void);
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| 57 |
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| 58 | /**
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| 59 | * Tries to parse the given command line option.
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| 60 | *
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| 61 | * @returns 0 if we parsed, -1 if it didn't and anything else means exit.
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| 62 | * @param ppszShort If not NULL it points to the short option iterator. a short argument.
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| 63 | * If NULL examine argv[*pi].
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| 64 | * @param argc The argument count.
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| 65 | * @param argv The argument vector.
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| 66 | * @param pi The argument vector index. Update if any value(s) are eaten.
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| 67 | */
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| 68 | DECLCALLBACKMEMBER(int, pfnOption)(const char **ppszShort, int argc, char **argv, int *pi);
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| 69 |
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| 70 | /**
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| 71 | * Called before parsing arguments.
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| 72 | * @returns VBox status code.
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| 73 | */
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| 74 | DECLCALLBACKMEMBER(int, pfnInit)(void);
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| 75 |
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| 76 | /** Called from the worker thread.
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| 77 | *
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| 78 | * @returns VBox status code.
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| 79 | * @retval VINF_SUCCESS if exitting because *pfShutdown was set.
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| 80 | * @param pfShutdown Pointer to a per service termination flag to check
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| 81 | * before and after blocking.
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| 82 | */
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| 83 | DECLCALLBACKMEMBER(int, pfnWorker)(bool volatile *pfShutdown);
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| 84 |
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| 85 | /**
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| 86 | * Stops a service.
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| 87 | */
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| 88 | DECLCALLBACKMEMBER(void, pfnStop)(void);
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| 89 |
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| 90 | /**
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| 91 | * Does termination cleanups.
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| 92 | *
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| 93 | * @remarks This may be called even if pfnInit hasn't been called!
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| 94 | */
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| 95 | DECLCALLBACKMEMBER(void, pfnTerm)(void);
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| 96 | } VBOXSERVICE;
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| 97 | /** Pointer to a VBOXSERVICE. */
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| 98 | typedef VBOXSERVICE *PVBOXSERVICE;
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| 99 | /** Pointer to a const VBOXSERVICE. */
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| 100 | typedef VBOXSERVICE const *PCVBOXSERVICE;
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| 101 |
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| 102 | /* Default call-backs for services which do not need special behaviour. */
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| 103 | DECLCALLBACK(int) VGSvcDefaultPreInit(void);
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| 104 | DECLCALLBACK(int) VGSvcDefaultOption(const char **ppszShort, int argc, char **argv, int *pi);
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| 105 | DECLCALLBACK(int) VGSvcDefaultInit(void);
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| 106 | DECLCALLBACK(void) VGSvcDefaultTerm(void);
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| 107 |
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| 108 | /** The service name.
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| 109 | * @note Used on windows to name the service as well as the global mutex. */
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| 110 | #define VBOXSERVICE_NAME "VBoxService"
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| 111 |
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| 112 | #ifdef RT_OS_WINDOWS
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| 113 | /** The friendly service name. */
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| 114 | # define VBOXSERVICE_FRIENDLY_NAME "VirtualBox Guest Additions Service"
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| 115 | /** The service description (only W2K+ atm) */
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| 116 | # define VBOXSERVICE_DESCRIPTION "Manages VM runtime information, time synchronization, guest control execution and miscellaneous utilities for guest operating systems."
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| 117 | /** The following constant may be defined by including NtStatus.h. */
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| 118 | # define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
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| 119 | #endif /* RT_OS_WINDOWS */
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| 120 |
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| 121 | #ifdef VBOX_WITH_GUEST_PROPS
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| 122 | /**
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| 123 | * A guest property cache.
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| 124 | */
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| 125 | typedef struct VBOXSERVICEVEPROPCACHE
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| 126 | {
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| 127 | /** The client ID for HGCM communication. */
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| 128 | uint32_t uClientID;
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| 129 | /** Head in a list of VBOXSERVICEVEPROPCACHEENTRY nodes. */
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| 130 | RTLISTANCHOR NodeHead;
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| 131 | /** Critical section for thread-safe use. */
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| 132 | RTCRITSECT CritSect;
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| 133 | } VBOXSERVICEVEPROPCACHE;
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| 134 | /** Pointer to a guest property cache. */
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| 135 | typedef VBOXSERVICEVEPROPCACHE *PVBOXSERVICEVEPROPCACHE;
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| 136 |
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| 137 | /**
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| 138 | * An entry in the property cache (VBOXSERVICEVEPROPCACHE).
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| 139 | */
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| 140 | typedef struct VBOXSERVICEVEPROPCACHEENTRY
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| 141 | {
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| 142 | /** Node to successor.
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| 143 | * @todo r=bird: This is not really the node to the successor, but
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| 144 | * rather the OUR node in the list. If it helps, remember that
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| 145 | * its a doubly linked list. */
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| 146 | RTLISTNODE NodeSucc;
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| 147 | /** Name (and full path) of guest property. */
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| 148 | char *pszName;
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| 149 | /** The last value stored (for reference). */
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| 150 | char *pszValue;
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| 151 | /** Reset value to write if property is temporary. If NULL, it will be
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| 152 | * deleted. */
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| 153 | char *pszValueReset;
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| 154 | /** Flags. */
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| 155 | uint32_t fFlags;
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| 156 | } VBOXSERVICEVEPROPCACHEENTRY;
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| 157 | /** Pointer to a cached guest property. */
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| 158 | typedef VBOXSERVICEVEPROPCACHEENTRY *PVBOXSERVICEVEPROPCACHEENTRY;
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| 159 |
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| 160 | #endif /* VBOX_WITH_GUEST_PROPS */
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| 161 |
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| 162 | RT_C_DECLS_BEGIN
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| 163 |
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| 164 | extern char *g_pszProgName;
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| 165 | extern unsigned g_cVerbosity;
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| 166 | extern char g_szLogFile[RTPATH_MAX + 128];
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| 167 | extern uint32_t g_DefaultInterval;
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| 168 | extern VBOXSERVICE g_TimeSync;
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| 169 | #ifdef VBOX_WITH_VBOXSERVICE_CLIPBOARD
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| 170 | extern VBOXSERVICE g_Clipboard;
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| 171 | #endif
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| 172 | extern VBOXSERVICE g_Control;
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| 173 | extern VBOXSERVICE g_VMInfo;
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| 174 | extern VBOXSERVICE g_CpuHotPlug;
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| 175 | #ifdef VBOX_WITH_VBOXSERVICE_MANAGEMENT
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| 176 | extern VBOXSERVICE g_MemBalloon;
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| 177 | extern VBOXSERVICE g_VMStatistics;
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| 178 | #endif
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| 179 | #ifdef VBOX_WITH_VBOXSERVICE_PAGE_SHARING
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| 180 | extern VBOXSERVICE g_PageSharing;
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| 181 | #endif
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| 182 | #ifdef VBOX_WITH_SHARED_FOLDERS
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| 183 | extern VBOXSERVICE g_AutoMount;
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| 184 | #endif
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| 185 | #ifdef DEBUG
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| 186 | extern RTCRITSECT g_csLog; /* For guest process stdout dumping. */
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| 187 | #endif
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| 188 |
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| 189 | extern RTEXITCODE VGSvcSyntax(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2);
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| 190 | extern RTEXITCODE VGSvcError(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2);
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| 191 | extern void VGSvcVerbose(unsigned iLevel, const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(2, 3);
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| 192 | extern int VGSvcLogCreate(const char *pszLogFile);
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| 193 | extern void VGSvcLogV(const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(1, 0);
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| 194 | extern void VGSvcLogDestroy(void);
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| 195 | extern int VGSvcArgUInt32(int argc, char **argv, const char *psz, int *pi, uint32_t *pu32,
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| 196 | uint32_t u32Min, uint32_t u32Max);
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| 197 |
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| 198 | /* Exposing the following bits because of windows: */
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| 199 | extern int VGSvcStartServices(void);
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| 200 | extern int VGSvcStopServices(void);
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| 201 | extern void VGSvcMainWait(void);
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| 202 | extern int VGSvcReportStatus(VBoxGuestFacilityStatus enmStatus);
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| 203 | #ifdef RT_OS_WINDOWS
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| 204 | extern void VGSvcWinResolveApis(void);
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| 205 | extern RTEXITCODE VGSvcWinInstall(void);
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| 206 | extern RTEXITCODE VGSvcWinUninstall(void);
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| 207 | extern RTEXITCODE VGSvcWinEnterCtrlDispatcher(void);
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| 208 | extern void VGSvcWinSetStopPendingStatus(uint32_t uCheckPoint);
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| 209 | # ifdef TH32CS_SNAPHEAPLIST
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| 210 | extern decltype(CreateToolhelp32Snapshot) *g_pfnCreateToolhelp32Snapshot;
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| 211 | extern decltype(Process32First) *g_pfnProcess32First;
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| 212 | extern decltype(Process32Next) *g_pfnProcess32Next;
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| 213 | extern decltype(Module32First) *g_pfnModule32First;
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| 214 | extern decltype(Module32Next) *g_pfnModule32Next;
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| 215 | # endif
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| 216 | extern decltype(GetSystemTimeAdjustment) *g_pfnGetSystemTimeAdjustment;
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| 217 | extern decltype(SetSystemTimeAdjustment) *g_pfnSetSystemTimeAdjustment;
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| 218 | # ifdef IPRT_INCLUDED_nt_nt_h
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| 219 | extern decltype(ZwQuerySystemInformation) *g_pfnZwQuerySystemInformation;
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| 220 | # endif
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| 221 | extern ULONG (WINAPI *g_pfnGetAdaptersInfo)(struct _IP_ADAPTER_INFO *, PULONG);
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| 222 | #ifdef WINSOCK_VERSION
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| 223 | extern decltype(WSAStartup) *g_pfnWSAStartup;
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| 224 | extern decltype(WSACleanup) *g_pfnWSACleanup;
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| 225 | extern decltype(WSASocketA) *g_pfnWSASocketA;
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| 226 | extern decltype(WSAIoctl) *g_pfnWSAIoctl;
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| 227 | extern decltype(WSAGetLastError) *g_pfnWSAGetLastError;
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| 228 | extern decltype(closesocket) *g_pfnclosesocket;
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| 229 | extern decltype(inet_ntoa) *g_pfninet_ntoa;
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| 230 | # endif /* WINSOCK_VERSION */
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| 231 |
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| 232 | #ifdef SE_INTERACTIVE_LOGON_NAME
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| 233 | extern decltype(LsaNtStatusToWinError) *g_pfnLsaNtStatusToWinError;
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| 234 | #endif
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| 235 |
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| 236 | # ifdef VBOX_WITH_GUEST_PROPS
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| 237 | extern int VGSvcVMInfoWinWriteUsers(PVBOXSERVICEVEPROPCACHE pCache, char **ppszUserList, uint32_t *pcUsersInList);
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| 238 | extern int VGSvcVMInfoWinGetComponentVersions(uint32_t uClientID);
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| 239 | # endif /* VBOX_WITH_GUEST_PROPS */
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| 240 |
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| 241 | #endif /* RT_OS_WINDOWS */
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| 242 |
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| 243 | #ifdef VBOX_WITH_VBOXSERVICE_MANAGEMENT
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| 244 | extern uint32_t VGSvcBalloonQueryPages(uint32_t cbPage);
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| 245 | #endif
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| 246 | #if defined(VBOX_WITH_VBOXSERVICE_PAGE_SHARING)
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| 247 | extern RTEXITCODE VGSvcPageSharingWorkerChild(void);
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| 248 | #endif
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| 249 | extern int VGSvcVMInfoSignal(void);
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| 250 |
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| 251 | RT_C_DECLS_END
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| 252 |
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| 253 | #endif /* !GA_INCLUDED_SRC_common_VBoxService_VBoxServiceInternal_h */
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| 254 |
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