int VBoxSeamlessInit(const VBOXSERVICEENV *pEnv, void **ppInstance, bool *pfStartThread)
{
Log(("VBoxTray: VBoxSeamlessInit\n"));
*pfStartThread = false;
gCtx.pEnv = pEnv;
gCtx.hModHook = NIL_RTLDRMOD;
OSVERSIONINFO OSinfo;
OSinfo.dwOSVersionInfoSize = sizeof (OSinfo);
GetVersionEx (&OSinfo);
int rc = VINF_SUCCESS;
/* We have to jump out here when using NT4, otherwise it complains about
a missing API function "UnhookWinEvent" used by the dynamically loaded VBoxHook.dll below */
if (OSinfo.dwMajorVersion <= 4) /* Windows NT 4.0 or older */
{
Log(("VBoxTray: VBoxSeamlessInit: Windows NT 4.0 or older not supported!\n"));
rc = VERR_NOT_SUPPORTED;
}
else
{
/* Will fail if SetWinEventHook is not present (version < NT4 SP6 apparently) */
rc = RTLdrLoadAppPriv(VBOXHOOK_DLL_NAME, &gCtx.hModHook);
if (RT_SUCCESS(rc))
{
*(PFNRT *)&gCtx.pfnVBoxHookInstallWindowTracker = RTLdrGetFunction(gCtx.hModHook, "VBoxHookInstallWindowTracker");
*(PFNRT *)&gCtx.pfnVBoxHookRemoveWindowTracker = RTLdrGetFunction(gCtx.hModHook, "VBoxHookRemoveWindowTracker");
/* rc should contain success status */
AssertRC(rc);
VBoxSeamlessSetSupported(TRUE);
// if (RT_SUCCESS(rc))
{
*pfStartThread = true;
*ppInstance = &gCtx;
}
}
else
Log(("VBoxTray: VBoxSeamlessInit: LoadLibrary of \"%s\" failed with rc=%Rrc\n", VBOXHOOK_DLL_NAME, rc));
}
return rc;
}
DECLCALLBACK(int) VBoxSeamlessInit(const PVBOXSERVICEENV pEnv, void **ppInstance)
{
LogFlowFuncEnter();
PVBOXSEAMLESSCONTEXT pCtx = &g_Ctx; /* Only one instance at the moment. */
AssertPtr(pCtx);
pCtx->pEnv = pEnv;
pCtx->hModHook = NIL_RTLDRMOD;
OSVERSIONINFO OSinfo;
OSinfo.dwOSVersionInfoSize = sizeof (OSinfo);
GetVersionEx (&OSinfo);
int rc;
/* We have to jump out here when using NT4, otherwise it complains about
a missing API function "UnhookWinEvent" used by the dynamically loaded VBoxHook.dll below */
if (OSinfo.dwMajorVersion <= 4) /* Windows NT 4.0 or older */
{
Log(("VBoxTray: VBoxSeamlessInit: Windows NT 4.0 or older not supported!\n"));
rc = VERR_NOT_SUPPORTED;
}
else
{
/* Will fail if SetWinEventHook is not present (version < NT4 SP6 apparently) */
rc = RTLdrLoadAppPriv(VBOXHOOK_DLL_NAME, &pCtx->hModHook);
if (RT_SUCCESS(rc))
{
*(PFNRT *)&pCtx->pfnVBoxHookInstallWindowTracker = RTLdrGetFunction(pCtx->hModHook, "VBoxHookInstallWindowTracker");
*(PFNRT *)&pCtx->pfnVBoxHookRemoveWindowTracker = RTLdrGetFunction(pCtx->hModHook, "VBoxHookRemoveWindowTracker");
/* rc should contain success status */
AssertRC(rc); /** @todo r=andy Makes no sense here!? */
VBoxSeamlessSetSupported(TRUE);
*ppInstance = pCtx;
}
else
LogFlowFunc(("Unable to load %s, rc=%Rrc\n", VBOXHOOK_DLL_NAME, rc));
}
LogFlowFuncLeaveRC(rc);
return rc;
}
int VBoxMMRInit(const VBOXSERVICEENV *pEnv, void **ppInstance, bool *pfStartThread)
{
LogFlowFuncEnter();
int rc = RTLdrLoadAppPriv(g_pszMMRDLL, &gCtx.hModHook);
if (RT_SUCCESS(rc))
{
HOOKPROC pHook = (HOOKPROC)RTLdrGetFunction(gCtx.hModHook, g_pszMMRPROC);
if (pHook)
{
HMODULE hMod = (HMODULE)RTLdrGetNativeHandle(gCtx.hModHook);
Assert(hMod != (HMODULE)~(uintptr_t)0);
gCtx.hHook = SetWindowsHookEx(WH_CBT, pHook, hMod, 0);
if (gCtx.hHook)
{
*ppInstance = &gCtx;
return VINF_SUCCESS;
}
rc = RTErrConvertFromWin32(GetLastError());
LogFlowFunc(("Error installing hooking proc: %Rrc\n", rc));
}
else
{
LogFlowFunc(("Hooking proc not found\n"));
rc = VERR_NOT_FOUND;
}
RTLdrClose(gCtx.hModHook);
gCtx.hModHook = NIL_RTLDRMOD;
}
else
LogFlowFunc(("Hooking library not found (%Rrc)\n", rc));
return rc;
}
