| 1 | /* $Id: VBoxGuest2.cpp 31661 2010-08-13 15:49:24Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBoxGuest - Guest Additions Driver, bits shared with the windows code.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2010 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 | * Header Files *
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| 20 | *******************************************************************************/
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| 21 | #include <iprt/string.h>
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| 22 | #include <VBox/err.h>
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| 23 | #include <VBox/log.h>
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| 24 | #include <VBox/VBoxGuestLib.h>
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| 25 | #include <VBox/version.h>
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| 26 | #if defined(RT_OS_LINUX) || defined(RT_OS_FREEBSD)
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| 27 | # include "revision-generated.h"
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| 28 | #endif
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| 29 |
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| 30 |
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| 31 | /**
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| 32 | * Report the guest information to the host.
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| 33 | *
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| 34 | * @returns IPRT status code.
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| 35 | * @param enmOSType The OS type to report.
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| 36 | */
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| 37 | int VBoxGuestReportGuestInfo(VBOXOSTYPE enmOSType)
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| 38 | {
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| 39 | /*
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| 40 | * Important: VMMDev *awaits* a VMMDevReportGuestInfo or VMMDevReportGuestInfo2 message
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| 41 | * first in order to accept all other VMMDev messages! Otherwise you'd get
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| 42 | * a VERR_NOT_SUPPORTED error.
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| 43 | */
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| 44 | VMMDevReportGuestInfo2 *pReq = NULL;
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| 45 | int rc = VbglGRAlloc((VMMDevRequestHeader **)&pReq, sizeof (VMMDevReportGuestInfo2), VMMDevReq_ReportGuestInfo2);
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| 46 | Log(("VBoxGuestReportGuestInfo: VbglGRAlloc VMMDevReportGuestInfo2 completed with rc=%Rrc\n", rc));
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| 47 | if (RT_SUCCESS(rc))
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| 48 | {
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| 49 | pReq->guestInfo.additionsMajor = VBOX_VERSION_MAJOR;
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| 50 | pReq->guestInfo.additionsMinor = VBOX_VERSION_MINOR;
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| 51 | pReq->guestInfo.additionsBuild = VBOX_VERSION_BUILD;
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| 52 | pReq->guestInfo.additionsRevision = VBOX_SVN_REV;
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| 53 | pReq->guestInfo.additionsFeatures = 0; /* Not (never?) used. */
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| 54 | RTStrCopy(pReq->guestInfo.szName, sizeof(pReq->guestInfo.szName), VBOX_VERSION_STRING);
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| 55 |
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| 56 | rc = VbglGRPerform(&pReq->header);
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| 57 | Log(("VBoxGuestReportGuestInfo: VbglGRPerform VMMDevReportGuestInfo2 completed with rc=%Rrc\n", rc));
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| 58 | if (rc == VERR_NOT_IMPLEMENTED) /* Compatibility with older hosts. */
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| 59 | rc = VINF_SUCCESS;
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| 60 | VbglGRFree(&pReq->header);
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| 61 | }
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| 62 |
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| 63 | /*
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| 64 | * VMMDevReportGuestInfo acts as a beacon and signals the host that all guest information is
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| 65 | * now complete. So always send this report last!
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| 66 | */
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| 67 | if (RT_SUCCESS(rc))
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| 68 | {
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| 69 | VMMDevReportGuestInfo *pReq3 = NULL;
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| 70 | rc = VbglGRAlloc((VMMDevRequestHeader **)&pReq3, sizeof (VMMDevReportGuestInfo), VMMDevReq_ReportGuestInfo);
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| 71 | Log(("VBoxGuestReportGuestInfo: VbglGRAlloc VMMDevReportGuestInfo completed with rc=%Rrc\n", rc));
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| 72 | if (RT_SUCCESS(rc))
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| 73 | {
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| 74 | pReq3->guestInfo.interfaceVersion = VMMDEV_VERSION;
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| 75 | pReq3->guestInfo.osType = enmOSType;
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| 76 |
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| 77 | rc = VbglGRPerform(&pReq3->header);
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| 78 | Log(("VBoxGuestReportGuestInfo: VbglGRPerform VMMDevReportGuestInfo completed with rc=%Rrc\n", rc));
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| 79 | VbglGRFree(&pReq3->header);
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| 80 | }
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| 81 | }
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| 82 |
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| 83 | return rc;
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| 84 | }
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| 85 |
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| 86 |
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| 87 | /**
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| 88 | * Report the guest driver status to the host.
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| 89 | *
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| 90 | * @returns IPRT status code.
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| 91 | * @param fActive Flag whether the driver is now active or not.
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| 92 | */
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| 93 | int VBoxGuestReportDriverStatus(bool fActive)
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| 94 | {
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| 95 | /*
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| 96 | * Report guest status of the VBox driver to the host.
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| 97 | */
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| 98 | VMMDevReportGuestStatus *pReq2 = NULL;
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| 99 | int rc = VbglGRAlloc((VMMDevRequestHeader **)&pReq2, sizeof(*pReq2), VMMDevReq_ReportGuestStatus);
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| 100 | Log(("VBoxGuestReportDriverStatus: VbglGRAlloc VMMDevReportGuestStatus completed with rc=%Rrc\n", rc));
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| 101 | if (RT_SUCCESS(rc))
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| 102 | {
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| 103 | pReq2->guestStatus.facility = VBoxGuestStatusFacility_VBoxGuestDriver;
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| 104 | pReq2->guestStatus.status = fActive ?
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| 105 | VBoxGuestStatusCurrent_Active
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| 106 | : VBoxGuestStatusCurrent_Inactive;
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| 107 | pReq2->guestStatus.flags = 0;
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| 108 | rc = VbglGRPerform(&pReq2->header);
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| 109 | Log(("VBoxGuestReportDriverStatus: VbglGRPerform VMMDevReportGuestStatus completed with fActive=%d, rc=%Rrc\n",
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| 110 | rc, fActive ? 1 : 0));
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| 111 | if (rc == VERR_NOT_IMPLEMENTED) /* Compatibility with older hosts. */
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| 112 | rc = VINF_SUCCESS;
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| 113 | VbglGRFree(&pReq2->header);
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| 114 | }
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| 115 |
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| 116 | return rc;
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| 117 | }
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| 118 |
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