385 lines
9.7 KiB
C
385 lines
9.7 KiB
C
#include "stdafx.h"
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#include "systray.h"
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#include <stdio.h>
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#include <initguid.h>
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#include <usbioctl.h>
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#include <wmium.h>
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#include <tchar.h>
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#include <setupapi.h>
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#define USBUIMENU 100
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#define NUM_HCS_TO_CHECK 10
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typedef int (CALLBACK *USBERRORMESSAGESCALLBACK)
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(PUSB_CONNECTION_NOTIFICATION,LPTSTR);
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extern HINSTANCE g_hInstance;
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static BOOL g_bUSBUIEnabled = FALSE;
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static BOOL g_bUSBUIIconShown = FALSE;
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static HINSTANCE g_hUsbWatch = NULL;
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static USBERRORMESSAGESCALLBACK g_UsbHandler = NULL;
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static BOOL g_bSubstituteDll = FALSE;
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static TCHAR g_strSubstituteDll[MAX_PATH];
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static HANDLE g_hWait = NULL;
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int _cdecl main(){
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return 0;
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}
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#define USBUI_OffsetToPtr(Base, Offset) ((PBYTE)((PBYTE)Base + Offset))
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LPTSTR USBUI_CountedStringToSz(LPTSTR lpString)
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{
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SHORT usNameLength;
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LPTSTR lpStringPlusNull;
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usNameLength = * (USHORT *) lpString;
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lpStringPlusNull = (LPTSTR) LocalAlloc(LMEM_ZEROINIT,
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sizeof(TCHAR) * (usNameLength+1));
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if (lpStringPlusNull != NULL) {
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lpString = (LPTSTR) USBUI_OffsetToPtr(lpString, sizeof(USHORT));
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wcsncpy( lpStringPlusNull, lpString, usNameLength );
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lpStringPlusNull[usNameLength] = TEXT('0');
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// _tcscpy( lpStringPlusNull + usNameLength, _TEXT("") );
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}
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return lpStringPlusNull;
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}
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void USBUI_EventCallbackRoutine(PWNODE_HEADER WnodeHeader, UINT_PTR NotificationContext)
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{
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PWNODE_SINGLE_INSTANCE wNode = (PWNODE_SINGLE_INSTANCE)WnodeHeader;
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PUSB_CONNECTION_NOTIFICATION usbConnectionNotification;
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LPGUID eventGuid = &WnodeHeader->Guid;
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LPTSTR strInstanceName;
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if (memcmp(&GUID_USB_WMI_STD_DATA, eventGuid, sizeof(GUID)) == 0) {
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usbConnectionNotification = (PUSB_CONNECTION_NOTIFICATION)
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USBUI_OffsetToPtr(wNode,
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wNode->DataBlockOffset);
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//
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// Get the instance name
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//
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strInstanceName =
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USBUI_CountedStringToSz((LPTSTR)
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USBUI_OffsetToPtr(wNode,
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wNode->OffsetInstanceName));
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if (strInstanceName) {
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if (g_hUsbWatch && g_UsbHandler) {
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USBUIEngageHandler:
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g_UsbHandler(usbConnectionNotification, strInstanceName);
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} else {
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if (g_bSubstituteDll) {
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g_hUsbWatch = LoadLibrary(g_strSubstituteDll);
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} else {
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g_hUsbWatch = LoadLibrary(TEXT("usbui.dll"));
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}
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g_UsbHandler = (USBERRORMESSAGESCALLBACK)
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GetProcAddress(g_hUsbWatch, "USBErrorHandler");
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goto USBUIEngageHandler;
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}
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LocalFree(strInstanceName);
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}
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}
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}
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VOID USBUI_WaitRoutineCallback(WMIHANDLE Handle, BOOLEAN Unused) {
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ASSERT(!Unused);
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UnregisterWaitEx(g_hWait, NULL);
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g_hWait = NULL;
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WmiReceiveNotifications(1, &Handle, USBUI_EventCallbackRoutine, (ULONG_PTR)NULL);
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RegisterWaitForSingleObject(&g_hWait,
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Handle,
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USBUI_WaitRoutineCallback,
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Handle, // context
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INFINITE,
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WT_EXECUTELONGFUNCTION | WT_EXECUTEONLYONCE);
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}
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int USBUI_ErrorMessagesEnable(BOOL fEnable)
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{
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ULONG status = ERROR_SUCCESS;
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BOOL result;
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static WMIHANDLE hWmi = NULL;
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if (fEnable) {
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ASSERT(!g_hWait);
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ASSERT(!hWmi);
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status = WmiOpenBlock((LPGUID) &GUID_USB_WMI_STD_DATA,
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WMIGUID_NOTIFICATION | SYNCHRONIZE,
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&hWmi);
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if (!status) {
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result = RegisterWaitForSingleObject(&g_hWait,
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hWmi,
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USBUI_WaitRoutineCallback,
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hWmi, // context
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INFINITE,
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WT_EXECUTELONGFUNCTION | WT_EXECUTEONLYONCE);
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status = result ? 0 : ERROR_INVALID_FUNCTION;
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}
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} else {
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ASSERT(hWmi);
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if (g_hWait) {
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result = UnregisterWait(g_hWait);
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}
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if (hWmi) {
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status = WmiCloseBlock(hWmi);
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}
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hWmi = NULL;
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g_hWait = NULL;
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if (g_hUsbWatch) {
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// This allows us to replace the library
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FreeLibrary(g_hUsbWatch);
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g_hUsbWatch = NULL;
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g_UsbHandler = NULL;
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}
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}
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return status;
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}
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void USBUI_Notify(HWND hwnd, WPARAM wParam, LPARAM lParam)
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{
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switch (lParam)
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{
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case WM_RBUTTONUP:
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{
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USBUI_Menu(hwnd, 1, TPM_RIGHTBUTTON);
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}
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break;
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case WM_LBUTTONDOWN:
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{
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SetTimer(hwnd, USBUI_TIMER_ID, GetDoubleClickTime()+100, NULL);
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}
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break;
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case WM_LBUTTONDBLCLK:
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{
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KillTimer(hwnd, USBUI_TIMER_ID);
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USBUI_Toggle();
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}
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break;
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}
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}
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void USBUI_Toggle()
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{
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USBUI_SetState(!g_bUSBUIEnabled);
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}
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void USBUI_Timer(HWND hwnd)
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{
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KillTimer(hwnd, USBUI_TIMER_ID);
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USBUI_Menu(hwnd, 0, TPM_LEFTBUTTON);
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}
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/*
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HMENU USBUI_CreateMenu()
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{
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HMENU hmenu;
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LPSTR lpszMenu1;
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hmenu = CreatePopupMenu();
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if (!hmenu)
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{
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return NULL;
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}
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lpszMenu1 = LoadDynamicString(g_bUSBUIEnabled?IDS_USBUIDISABLE:IDS_USBUIENABLE);
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// AppendMenu(hmenu,MF_STRING,USBUIMENU,lpszMenu1);
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SysTray_AppendMenuString (hmenu,USBUIMENU,lpszMenu1);
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SetMenuDefaultItem(hmenu,USBUIMENU,FALSE);
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DeleteDynamicString(lpszMenu1);
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return hmenu;
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}
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*/
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void USBUI_Menu(HWND hwnd, UINT uMenuNum, UINT uButton)
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{
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POINT pt;
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UINT iCmd;
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HMENU hmenu = 0;
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GetCursorPos(&pt);
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// hmenu = USBUI_CreateMenu();
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if (!hmenu)
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{
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return;
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}
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SetForegroundWindow(hwnd);
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iCmd = TrackPopupMenu(hmenu, uButton | TPM_RETURNCMD | TPM_NONOTIFY, pt.x, pt.y, 0, hwnd, NULL);
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DestroyMenu(hmenu);
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switch (iCmd)
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{
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case USBUIMENU:
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{
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USBUI_Toggle();
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}
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break;
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}
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}
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BOOL USBUI_SetState(BOOL NewState)
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{
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int retValue;
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if (g_bUSBUIEnabled != NewState) {
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//
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// Only enable it if not already enabled
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//
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retValue = (int) USBUI_ErrorMessagesEnable (NewState);
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g_bUSBUIEnabled = retValue ? g_bUSBUIEnabled : NewState;
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}
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return g_bUSBUIEnabled;
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}
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BOOL
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IsErrorCheckingEnabled()
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{
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DWORD ErrorCheckingEnabled = TRUE, size;
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HKEY hKey;
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//
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// Check the registry value ErrorCheckingEnabled to make sure that we should
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// be enabling this.
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//
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if (ERROR_SUCCESS ==
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RegOpenKeyEx(HKEY_LOCAL_MACHINE,
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TEXT("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Usb"),
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0,
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KEY_READ,
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&hKey)) {
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// Get the ErrorCheckingEnabled value
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size = sizeof(DWORD);
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RegQueryValueEx(hKey,
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TEXT("ErrorCheckingEnabled"),
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0,
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NULL,
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(LPBYTE) &ErrorCheckingEnabled,
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&size);
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if (ErrorCheckingEnabled) {
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// Look for a substitute dll for usbui.dll
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size = MAX_PATH*sizeof(TCHAR);
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if (ERROR_SUCCESS ==
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RegQueryValueEx(hKey,
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TEXT("SubstituteDll"),
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0,
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NULL,
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(LPBYTE) g_strSubstituteDll,
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&size)) {
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g_bSubstituteDll = TRUE;
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} else {
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g_bSubstituteDll = FALSE;
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}
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}
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}
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return (BOOL) ErrorCheckingEnabled;
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}
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BOOL USBUI_Init(HWND hWnd)
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{
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TCHAR HCName[16];
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BOOL ControllerFound = FALSE;
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int HCNum;
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HDEVINFO hHCDev;
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//
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// Check the registry to make sure that it is turned on
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//
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if (!IsErrorCheckingEnabled()) {
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return FALSE;
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}
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//
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// Check for the existence of a USB controller.
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// If there is one, load and initialize USBUI.dll which will check for
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// usb error messages. If we can't open a controller, than we shouldn't
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// load a USB watch dll.
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//
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for (HCNum = 0; HCNum < NUM_HCS_TO_CHECK; HCNum++)
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{
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wsprintf(HCName, TEXT("\\\\.\\HCD%d"), HCNum);
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hHCDev = CreateFile(HCName,
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GENERIC_READ,
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FILE_SHARE_READ,
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NULL,
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OPEN_EXISTING,
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0,
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NULL);
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//
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// If the handle is valid, then we've successfully opened a Host
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// Controller.
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//
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if (hHCDev != INVALID_HANDLE_VALUE) {
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CloseHandle(hHCDev);
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return TRUE;
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}
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}
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hHCDev = SetupDiGetClassDevs(&GUID_CLASS_USB_HOST_CONTROLLER,
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NULL,
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NULL,
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(DIGCF_DEVICEINTERFACE | DIGCF_PRESENT));
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if(hHCDev == INVALID_HANDLE_VALUE) {
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return FALSE;
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}
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SetupDiDestroyDeviceInfoList(hHCDev);
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return TRUE;
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}
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//
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// Called at init time and whenever services are enabled/disabled.
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//
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BOOL USBUI_CheckEnable(HWND hWnd, BOOL bSvcEnabled)
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{
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BOOL bEnable = bSvcEnabled && USBUI_Init(hWnd);
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if (bEnable != g_bUSBUIEnabled)
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{
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//
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// state change
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//
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USBUI_SetState(bEnable);
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}
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return(bEnable);
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}
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