www.pudn.com > WINCEOS.zip > hidconf.cxx

// 
// Copyright (c) Microsoft Corporation.  All rights reserved. 
// 
// 
// This source code is licensed under Microsoft Shared Source License 
// Version 1.0 for Windows CE. 
// For a copy of the license visit http://go.microsoft.com/fwlink/?LinkId=3223. 
// 
#include  
 
#include  
 
#include  
#include  
#include  
#include  
#include  
 
#include "../base/hidconf.h" 
 
int GetDeviceConfig (BD_ADDR *pba, DWORD *pdwFlags, unsigned char **ppsdp, unsigned int *pcsdp) { 
	*pdwFlags = 0; 
	*ppsdp = NULL; 
	*pcsdp = 0; 
 
	WCHAR szKeyName[MAX_PATH]; 
	wsprintf (szKeyName, L"software\\microsoft\\bluetooth\\device\\hid\\%04x%08x", pba->NAP, pba->SAP); 
 
	HKEY hk; 
	if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, szKeyName, 0, KEY_READ, &hk) != ERROR_SUCCESS) 
		return FALSE; 
 
	DWORD dwType = 0; 
	DWORD dw = 0; 
	DWORD cb = sizeof(dw); 
 
	DWORD dwRes = ERROR_SUCCESS; 
	 
	dwRes = RegQueryValueEx (hk, L"active", NULL, &dwType, (LPBYTE)&dw, &cb); 
	if ((dwRes == ERROR_SUCCESS) && (dwType == REG_DWORD) && (cb == sizeof(dw)) && dw) 
		*pdwFlags |= HIDCONF_FLAGS_ACTIVE; 
 
	dwType = 0; 
	dw = 0; 
	cb = sizeof(dw); 
 
	dwRes = RegQueryValueEx (hk, L"auth", NULL, &dwType, (LPBYTE)&dw, &cb); 
	if ((dwRes == ERROR_SUCCESS) && (dwType == REG_DWORD) && (cb == sizeof(dw)) && dw) 
		*pdwFlags |= HIDCONF_FLAGS_AUTH; 
 
	dwType = 0; 
	dw = 0; 
	cb = sizeof(dw); 
 
	dwRes = RegQueryValueEx (hk, L"encrypt", NULL, &dwType, (LPBYTE)&dw, &cb); 
	if ((dwRes == ERROR_SUCCESS) && (dwType == REG_DWORD) && (cb == sizeof(dw)) && dw) 
		*pdwFlags |= HIDCONF_FLAGS_ENCRYPT; 
 
	dwType = 0; 
	cb = 0; 
 
	dwRes = RegQueryValueEx (hk, L"sdp_record", NULL, &dwType, NULL, &cb); 
 
	if (dwRes == ERROR_SUCCESS) { 
		if (*ppsdp = (unsigned char *)g_funcAlloc (cb, g_pvAllocData)) 
			dwRes = RegQueryValueEx (hk, L"sdp_record", NULL, &dwType, *ppsdp, &cb); 
	} 
 
	RegCloseKey (hk); 
 
	if ((dwRes != ERROR_SUCCESS) || (! *ppsdp)) { 
		*pdwFlags = 0; 
 
		if (*ppsdp) { 
			g_funcFree (*ppsdp, g_pvFreeData); 
			*ppsdp = NULL; 
		} 
 
		return FALSE; 
	} 
 
	*pcsdp = cb; 
 
	return TRUE; 
}