| 1 | /** @file
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| 2 | *
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| 3 | * VBoxSeamless - Seamless windows
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| 4 | *
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2006-2007 innotek GmbH
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License as published by the Free Software Foundation,
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| 14 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 15 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 16 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | *
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| 18 | * If you received this file as part of a commercial VirtualBox
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| 19 | * distribution, then only the terms of your commercial VirtualBox
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| 20 | * license agreement apply instead of the previous paragraph.
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| 21 | *
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| 22 | */
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| 23 |
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| 24 | #include "VBoxService.h"
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| 25 | #include <VBoxHook.h>
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| 26 | #include <VBox/VBoxDev.h>
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| 27 | #include "helpers.h"
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| 28 |
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| 29 | static HMODULE hModule = 0;
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| 30 | /** @todo statically link in the future; dynamic linking is just testing purposes */
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| 31 |
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| 32 | BOOL (* pfnVBoxInstallHook)(HMODULE hDll) = NULL;
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| 33 | BOOL (* pfnVBoxRemoveHook)() = NULL;
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| 34 |
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| 35 |
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| 36 | void VBoxLogString(HANDLE hDriver, char *pszStr);
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| 37 |
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| 38 | int VBoxSeamlessInit(const VBOXSERVICEENV *pEnv, void **ppInstance, bool *pfStartThread)
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| 39 | {
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| 40 | *pfStartThread = false;
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| 41 | hModule = LoadLibrary(VBOXHOOK_DLL_NAME);
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| 42 | if (hModule)
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| 43 | {
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| 44 | *(uintptr_t *)&pfnVBoxInstallHook = (uintptr_t)GetProcAddress(hModule, "VBoxInstallHook");
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| 45 | *(uintptr_t *)&pfnVBoxRemoveHook = (uintptr_t)GetProcAddress(hModule, "VBoxRemoveHook");
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| 46 | }
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| 47 | if (pfnVBoxInstallHook)
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| 48 | {
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| 49 | /* inform the host that we support the seamless window mode */
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| 50 | VMMDevReqGuestCapabilities vmmreqGuestCaps = {0};
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| 51 | vmmdevInitRequest((VMMDevRequestHeader*)&vmmreqGuestCaps, VMMDevReq_ReportGuestCapabilities);
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| 52 | vmmreqGuestCaps.caps = VMMDEV_GUEST_SUPPORTS_SEAMLESS;
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| 53 |
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| 54 | DWORD cbReturned;
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| 55 | if (!DeviceIoControl(pEnv->hDriver, IOCTL_VBOXGUEST_VMMREQUEST, &vmmreqGuestCaps, sizeof(vmmreqGuestCaps),
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| 56 | &vmmreqGuestCaps, sizeof(vmmreqGuestCaps), &cbReturned, NULL))
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| 57 | {
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| 58 | SvcDebugOut2("VMMDevReq_ReportGuestCapabilities: error doing IOCTL, last error: %d\n", GetLastError());
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| 59 | return VERR_INVALID_PARAMETER;
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| 60 | }
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| 61 |
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| 62 | pfnVBoxInstallHook(hModule);
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| 63 | }
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| 64 | return VINF_SUCCESS;
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| 65 | }
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| 66 |
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| 67 |
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| 68 | void VBoxSeamlessDestroy (const VBOXSERVICEENV *pEnv, void *pInstance)
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| 69 | {
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| 70 | /* inform the host that we no longer support the seamless window mode */
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| 71 | VMMDevReqGuestCapabilities vmmreqGuestCaps = {0};
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| 72 | vmmdevInitRequest((VMMDevRequestHeader*)&vmmreqGuestCaps, VMMDevReq_ReportGuestCapabilities);
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| 73 | vmmreqGuestCaps.caps = 0;
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| 74 |
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| 75 | DWORD cbReturned;
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| 76 | if (!DeviceIoControl(pEnv->hDriver, IOCTL_VBOXGUEST_VMMREQUEST, &vmmreqGuestCaps, sizeof(vmmreqGuestCaps),
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| 77 | &vmmreqGuestCaps, sizeof(vmmreqGuestCaps), &cbReturned, NULL))
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| 78 | {
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| 79 | SvcDebugOut2("VMMDevReq_ReportGuestCapabilities: error doing IOCTL, last error: %d\n", GetLastError());
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| 80 | }
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| 81 | if (pfnVBoxRemoveHook)
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| 82 | pfnVBoxRemoveHook();
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| 83 |
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| 84 | FreeLibrary(hModule);
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| 85 | return;
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| 86 | }
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| 87 |
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| 88 | #if 0
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| 89 |
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| 90 | static char LogBuffer[1024];
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| 91 |
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| 92 |
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| 93 | VBGLR3DECL(int) VbglR3GRPerform(HANDLE hDriver, VMMDevRequestHeader *pReq)
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| 94 | {
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| 95 | DWORD cbReturned;
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| 96 | if (!DeviceIoControl(hDriver, IOCTL_VBOXGUEST_VMMREQUEST, pReq, pReq->size,
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| 97 | pReq, pReq->size, &cbReturned, NULL))
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| 98 | {
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| 99 | SvcDebugOut2("error doing IOCTL, last error: %d\n", GetLastError());
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| 100 | }
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| 101 | return VINF_SUCCESS;
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| 102 | }
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| 103 |
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| 104 | void VBoxLogString(HANDLE hDriver, char *pszStr)
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| 105 | {
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| 106 | VMMDevReqLogString *pReq = (VMMDevReqLogString *)LogBuffer;
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| 107 | int rc;
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| 108 |
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| 109 | vmmdevInitRequest(&pReq->header, VMMDevReq_LogString);
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| 110 | strcpy(pReq->szString, pszStr);
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| 111 | pReq->header.size += strlen(pszStr);
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| 112 | rc = VbglR3GRPerform(hDriver, &pReq->header);
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| 113 | return;
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| 114 | }
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| 115 |
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| 116 | #endif
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