VirtualBox

source: vbox/trunk/src/VBox/Additions/common/VBoxService/VBoxServiceInternal.h@ 105677

Last change on this file since 105677 was 105677, checked in by vboxsync, 3 months ago

GA/Windows: Enable displayconfig subservice in VBoxService. bugref:10714

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1/* $Id: VBoxServiceInternal.h 105677 2024-08-14 19:02:00Z vboxsync $ */
2/** @file
3 * VBoxService - Guest Additions Services.
4 */
5
6/*
7 * Copyright (C) 2007-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28#ifndef GA_INCLUDED_SRC_common_VBoxService_VBoxServiceInternal_h
29#define GA_INCLUDED_SRC_common_VBoxService_VBoxServiceInternal_h
30#ifndef RT_WITHOUT_PRAGMA_ONCE
31# pragma once
32#endif
33
34#ifdef RT_OS_WINDOWS
35# include <iprt/win/windows.h>
36#endif
37
38#include <iprt/list.h>
39#include <iprt/critsect.h>
40#include <iprt/path.h> /* RTPATH_MAX */
41#include <iprt/stdarg.h>
42
43#include <VBox/VBoxGuestLib.h>
44#include <VBox/HostServices/GuestControlSvc.h>
45
46
47#if !defined(RT_OS_WINDOWS) || defined(DOXYGEN_RUNNING)
48/** Special argv[1] value that indicates that argv is UTF-8.
49 * This causes RTR3Init to be called with RTR3INIT_FLAGS_UTF8_ARGV and helps
50 * work around potential issues caused by a user's locale config not being
51 * UTF-8. See @bugref{10153}.
52 *
53 * @note We don't need this on windows and it would be harmful to enable it
54 * as the argc/argv vs __argc/__argv comparison would fail and we would
55 * not use the unicode command line to create a UTF-8 argv. Since the
56 * original argv is ANSI, it may be missing codepoints not present in
57 * the ANSI code page of the process. */
58# define VBOXSERVICE_ARG1_UTF8_ARGV "--utf8-argv"
59#endif
60/** RTProcCreateEx flags corresponding to VBOXSERVICE_ARG1_UTF8_ARGV. */
61#ifdef VBOXSERVICE_ARG1_UTF8_ARGV
62# define VBOXSERVICE_PROC_F_UTF8_ARGV RTPROC_FLAGS_UTF8_ARGV
63#else
64# define VBOXSERVICE_PROC_F_UTF8_ARGV 0
65#endif
66
67
68/**
69 * A service descriptor.
70 */
71typedef struct
72{
73 /** The short service name. */
74 const char *pszName;
75 /** The longer service name. */
76 const char *pszDescription;
77 /** The usage options stuff for the --help screen. */
78 const char *pszUsage;
79 /** The option descriptions for the --help screen. */
80 const char *pszOptions;
81
82 /**
83 * Called before parsing arguments.
84 * @returns VBox status code.
85 */
86 DECLCALLBACKMEMBER(int, pfnPreInit,(void));
87
88 /**
89 * Tries to parse the given command line option.
90 *
91 * @returns 0 if we parsed, -1 if it didn't and anything else means exit.
92 * @param ppszShort If not NULL it points to the short option iterator. a short argument.
93 * If NULL examine argv[*pi].
94 * @param argc The argument count.
95 * @param argv The argument vector.
96 * @param pi The argument vector index. Update if any value(s) are eaten.
97 */
98 DECLCALLBACKMEMBER(int, pfnOption,(const char **ppszShort, int argc, char **argv, int *pi));
99
100 /**
101 * Called before parsing arguments.
102 * @returns VBox status code.
103 */
104 DECLCALLBACKMEMBER(int, pfnInit,(void));
105
106 /** Called from the worker thread.
107 *
108 * @returns VBox status code.
109 * @retval VINF_SUCCESS if exitting because *pfShutdown was set.
110 * @param pfShutdown Pointer to a per service termination flag to check
111 * before and after blocking.
112 */
113 DECLCALLBACKMEMBER(int, pfnWorker,(bool volatile *pfShutdown));
114
115 /**
116 * Stops a service.
117 */
118 DECLCALLBACKMEMBER(void, pfnStop,(void));
119
120 /**
121 * Does termination cleanups.
122 *
123 * @remarks This may be called even if pfnInit hasn't been called!
124 */
125 DECLCALLBACKMEMBER(void, pfnTerm,(void));
126} VBOXSERVICE;
127/** Pointer to a VBOXSERVICE. */
128typedef VBOXSERVICE *PVBOXSERVICE;
129/** Pointer to a const VBOXSERVICE. */
130typedef VBOXSERVICE const *PCVBOXSERVICE;
131
132/* Default call-backs for services which do not need special behaviour. */
133DECLCALLBACK(int) VGSvcDefaultPreInit(void);
134DECLCALLBACK(int) VGSvcDefaultOption(const char **ppszShort, int argc, char **argv, int *pi);
135DECLCALLBACK(int) VGSvcDefaultInit(void);
136DECLCALLBACK(void) VGSvcDefaultTerm(void);
137
138/** The service name.
139 * @note Used on windows to name the service as well as the global mutex. */
140#define VBOXSERVICE_NAME "VBoxService"
141
142#ifdef RT_OS_WINDOWS
143/** The friendly service name. */
144# define VBOXSERVICE_FRIENDLY_NAME "VirtualBox Guest Additions Service"
145/** The service description (only W2K+ atm) */
146# define VBOXSERVICE_DESCRIPTION "Manages VM runtime information, time synchronization, guest control execution and miscellaneous utilities for guest operating systems."
147/** The following constant may be defined by including NtStatus.h. */
148# define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
149#endif /* RT_OS_WINDOWS */
150
151#ifdef VBOX_WITH_GUEST_PROPS
152/**
153 * A guest property cache.
154 */
155typedef struct VBOXSERVICEVEPROPCACHE
156{
157 /** The client ID for HGCM communication. */
158 uint32_t uClientID;
159 /** Head in a list of VBOXSERVICEVEPROPCACHEENTRY nodes. */
160 RTLISTANCHOR NodeHead;
161 /** Critical section for thread-safe use. */
162 RTCRITSECT CritSect;
163} VBOXSERVICEVEPROPCACHE;
164/** Pointer to a guest property cache. */
165typedef VBOXSERVICEVEPROPCACHE *PVBOXSERVICEVEPROPCACHE;
166
167/**
168 * An entry in the property cache (VBOXSERVICEVEPROPCACHE).
169 */
170typedef struct VBOXSERVICEVEPROPCACHEENTRY
171{
172 /** Node to successor.
173 * @todo r=bird: This is not really the node to the successor, but
174 * rather the OUR node in the list. If it helps, remember that
175 * its a doubly linked list. */
176 RTLISTNODE NodeSucc;
177 /** Name (and full path) of guest property. */
178 char *pszName;
179 /** The last value stored (for reference). */
180 char *pszValue;
181 /** Reset value to write if property is temporary. If NULL, it will be
182 * deleted. */
183 char *pszValueReset;
184 /** Flags. */
185 uint32_t fFlags;
186} VBOXSERVICEVEPROPCACHEENTRY;
187/** Pointer to a cached guest property. */
188typedef VBOXSERVICEVEPROPCACHEENTRY *PVBOXSERVICEVEPROPCACHEENTRY;
189
190#endif /* VBOX_WITH_GUEST_PROPS */
191
192RT_C_DECLS_BEGIN
193
194extern char *g_pszProgName;
195extern unsigned g_cVerbosity;
196extern char g_szLogFile[RTPATH_MAX + 128];
197extern uint32_t g_DefaultInterval;
198extern VBOXSERVICE g_TimeSync;
199#ifdef VBOX_WITH_VBOXSERVICE_CLIPBOARD
200extern VBOXSERVICE g_Clipboard;
201#endif
202extern VBOXSERVICE g_Control;
203extern VBOXSERVICE g_VMInfo;
204extern VBOXSERVICE g_CpuHotPlug;
205#ifdef VBOX_WITH_VBOXSERVICE_MANAGEMENT
206extern VBOXSERVICE g_MemBalloon;
207extern VBOXSERVICE g_VMStatistics;
208#endif
209#ifdef VBOX_WITH_VBOXSERVICE_PAGE_SHARING
210extern VBOXSERVICE g_PageSharing;
211#endif
212#ifdef VBOX_WITH_SHARED_FOLDERS
213extern VBOXSERVICE g_AutoMount;
214#endif
215
216#ifdef RT_OS_WINDOWS
217extern VBOXSERVICE g_DisplayConfig;
218#endif
219
220#ifdef DEBUG
221extern RTCRITSECT g_csLog; /* For guest process stdout dumping. */
222#endif
223
224extern RTEXITCODE VGSvcSyntax(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2);
225extern RTEXITCODE VGSvcError(const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(1, 2);
226extern void VGSvcVerbose(unsigned iLevel, const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(2, 3);
227extern int VGSvcLogCreate(const char *pszLogFile);
228extern void VGSvcLogV(const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(1, 0);
229extern void VGSvcLogDestroy(void);
230extern int VGSvcArgUInt32(int argc, char **argv, const char *psz, int *pi, uint32_t *pu32,
231 uint32_t u32Min, uint32_t u32Max);
232
233/* Exposing the following bits because of windows: */
234extern int VGSvcStartServices(void);
235extern int VGSvcStopServices(void);
236extern void VGSvcMainWait(void);
237extern int VGSvcReportStatus(VBoxGuestFacilityStatus enmStatus);
238#ifdef RT_OS_WINDOWS
239extern void VGSvcWinResolveApis(void);
240extern RTEXITCODE VGSvcWinInstall(void);
241extern RTEXITCODE VGSvcWinUninstall(void);
242extern RTEXITCODE VGSvcWinEnterCtrlDispatcher(void);
243extern void VGSvcWinSetStopPendingStatus(uint32_t uCheckPoint);
244# ifdef TH32CS_SNAPHEAPLIST
245extern decltype(CreateToolhelp32Snapshot) *g_pfnCreateToolhelp32Snapshot;
246extern decltype(Process32First) *g_pfnProcess32First;
247extern decltype(Process32Next) *g_pfnProcess32Next;
248extern decltype(Module32First) *g_pfnModule32First;
249extern decltype(Module32Next) *g_pfnModule32Next;
250# endif
251extern decltype(GetSystemTimeAdjustment) *g_pfnGetSystemTimeAdjustment;
252extern decltype(SetSystemTimeAdjustment) *g_pfnSetSystemTimeAdjustment;
253# ifdef IPRT_INCLUDED_nt_nt_h
254extern decltype(ZwQuerySystemInformation) *g_pfnZwQuerySystemInformation;
255# endif
256extern ULONG (WINAPI *g_pfnGetAdaptersInfo)(struct _IP_ADAPTER_INFO *, PULONG);
257#ifdef WINSOCK_VERSION
258extern decltype(WSAStartup) *g_pfnWSAStartup;
259extern decltype(WSACleanup) *g_pfnWSACleanup;
260extern decltype(WSASocketA) *g_pfnWSASocketA;
261extern decltype(WSAIoctl) *g_pfnWSAIoctl;
262extern decltype(WSAGetLastError) *g_pfnWSAGetLastError;
263extern decltype(closesocket) *g_pfnclosesocket;
264extern decltype(inet_ntoa) *g_pfninet_ntoa;
265# endif /* WINSOCK_VERSION */
266
267#ifdef SE_INTERACTIVE_LOGON_NAME
268extern decltype(LsaNtStatusToWinError) *g_pfnLsaNtStatusToWinError;
269#endif
270
271# ifdef VBOX_WITH_GUEST_PROPS
272extern int VGSvcVMInfoWinWriteUsers(PVBOXSERVICEVEPROPCACHE pCache, char **ppszUserList, uint32_t *pcUsersInList);
273extern int VGSvcVMInfoWinGetComponentVersions(uint32_t uClientID);
274# endif /* VBOX_WITH_GUEST_PROPS */
275
276#endif /* RT_OS_WINDOWS */
277
278#ifdef VBOX_WITH_MEMBALLOON
279extern uint32_t VGSvcBalloonQueryPages(uint32_t cbPage);
280#endif
281#if defined(VBOX_WITH_VBOXSERVICE_PAGE_SHARING)
282extern RTEXITCODE VGSvcPageSharingWorkerChild(void);
283#endif
284extern int VGSvcVMInfoSignal(void);
285
286RT_C_DECLS_END
287
288#endif /* !GA_INCLUDED_SRC_common_VBoxService_VBoxServiceInternal_h */
289
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