447 lines
11 KiB
C++
447 lines
11 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 2000.
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//
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// File: U H U T I L . C P P
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//
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// Contents: Common routines and constants for UPnP Device Host
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//
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// Notes:
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//
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// Author: mbend 6 Sep 2000
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//
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//----------------------------------------------------------------------------
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#include "pch.h"
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#pragma hdrstop
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#include <shlobj.h> // For SHGetFolderPath()
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#include "uhbase.h"
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#include "uhutil.h"
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#include "ncreg.h"
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#include "ComUtility.h"
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#include "RegDef.h"
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#include "httpcomn.h"
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// Registry locations
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const wchar_t c_szRegistryMicrosoft[] = L"SOFTWARE\\Microsoft\\UPnP Device Host";
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const wchar_t c_szUPnPDeviceHost[] = L"UPnP Device Host";
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const wchar_t c_szMicrosoft[] = L"Microsoft";
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const wchar_t c_szRegistryShellFolders[] = L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders";
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const wchar_t c_szCommonAppData[] = L"Common AppData";
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const wchar_t c_szUpnphost[] = L"upnphost";
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const wchar_t c_szUdhisapiDll[] = L"udhisapi.dll";
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//+---------------------------------------------------------------------------
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//
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// Function: HrRegQueryString
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//
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// Purpose: Queries a string value from a registry key
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//
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// Arguments:
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// hKey [in] Handle to key to query
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// szValueName [in] Name of value to query
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// str [out] String to return value in
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//
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// Returns: S_OK on success or COM error code on failure.
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//
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// Author: mbend 6 Sep 2000
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//
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// Notes:
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//
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HRESULT HrRegQueryString(HKEY hKey, const wchar_t * szValueName, CUString & str)
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{
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HRESULT hr = S_OK;
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DWORD dwType = 0;
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DWORD dwBytes = 0;
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LPBYTE pData = NULL;
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// Query size of buffer
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hr = HrRegQueryValueEx(hKey, szValueName, &dwType, NULL, &dwBytes);
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if(REG_SZ != dwType)
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{
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// Type mismatch
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hr = E_INVALIDARG;
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}
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if(SUCCEEDED(hr))
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{
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pData = new BYTE[dwBytes];
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if(pData)
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{
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if(SUCCEEDED(hr))
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{
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hr = HrRegQueryValueEx(hKey, szValueName, &dwType, pData, &dwBytes);
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if(SUCCEEDED(hr))
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{
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hr = str.HrAssign(reinterpret_cast<wchar_t*>(pData));
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}
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}
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delete [] pData;
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}
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else
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{
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hr = E_OUTOFMEMORY;
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}
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}
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TraceHr(ttidError, FAL, hr, FALSE, "HrRegQueryString");
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: HrCreateOrOpenDeviceHostKey
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//
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// Purpose: Creates if not present or opens the device host root key in the registry.
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//
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// Arguments:
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// phKeyDeviceHost [out] Pointer to Registry key handle on return.
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//
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// Returns: S_OK on success or COM error code on failure.
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//
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// Author: mbend 6 Sep 2000
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//
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// Notes:
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//
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HRESULT HrCreateOrOpenDeviceHostKey(HKEY * phKeyDeviceHost)
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{
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CHECK_POINTER(phKeyDeviceHost);
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HRESULT hr = S_OK;
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HKEY hKeyDeviceHost;
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// Open HKLM\SOFTWARE\Microsoft\UPnP Device Host
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hr = HrRegOpenKeyEx(HKEY_LOCAL_MACHINE, c_szRegistryMicrosoft, KEY_ALL_ACCESS, &hKeyDeviceHost);
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if(SUCCEEDED(hr))
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{
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*phKeyDeviceHost = hKeyDeviceHost;
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}
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TraceHr(ttidError, FAL, hr, FALSE, "HrCreateOrOpenDeviceHostKey");
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return hr;
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}
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HRESULT HrCreateAndReferenceContainedObject(
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const wchar_t * szContainer,
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REFCLSID clsid,
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REFIID riid,
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void ** ppv)
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{
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HRESULT hr = S_OK;
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// For no container, just use CoCreateInstance
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if(!szContainer)
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{
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hr = HrCoCreateInstanceInprocBase(clsid, riid, ppv);
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}
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else
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{
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// Create the container manager and use him to create object
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IUPnPContainerManagerPtr pContainerManager;
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hr = pContainerManager.HrCreateInstanceInproc(CLSID_UPnPContainerManager);
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if(SUCCEEDED(hr))
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{
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hr = pContainerManager->ReferenceContainer(szContainer);
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if(SUCCEEDED(hr))
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{
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hr = pContainerManager->CreateInstance(szContainer, clsid, riid, ppv);
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if(FAILED(hr))
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{
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pContainerManager->UnreferenceContainer(szContainer);
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}
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}
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}
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}
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TraceHr(ttidError, FAL, hr, FALSE, "HrCreateAndReferenceContainedObject");
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return hr;
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}
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HRESULT HrCreateAndReferenceContainedObjectByProgId(
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const wchar_t * szContainer,
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const wchar_t * szProgId,
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REFIID riid,
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void ** ppv)
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{
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HRESULT hr = S_OK;
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// Create the container manager and use him to create object
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IUPnPContainerManagerPtr pContainerManager;
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hr = pContainerManager.HrCreateInstanceInproc(CLSID_UPnPContainerManager);
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if(SUCCEEDED(hr))
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{
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hr = pContainerManager->ReferenceContainer(szContainer);
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if(SUCCEEDED(hr))
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{
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hr = pContainerManager->CreateInstanceWithProgId(szContainer, szProgId, riid, ppv);
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if(FAILED(hr))
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{
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pContainerManager->UnreferenceContainer(szContainer);
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}
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}
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}
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TraceHr(ttidError, FAL, hr, FALSE, "HrCreateAndReferenceContainedObjectByProgId");
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return hr;
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}
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HRESULT HrDereferenceContainer(
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const wchar_t * szContainer)
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{
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HRESULT hr = S_OK;
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// Create the container manager and unreference
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IUPnPContainerManagerPtr pContainerManager;
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hr = pContainerManager.HrCreateInstanceInproc(CLSID_UPnPContainerManager);
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if(SUCCEEDED(hr))
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{
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hr = pContainerManager->UnreferenceContainer(szContainer);
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}
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TraceHr(ttidError, FAL, hr, FALSE, "HrDereferenceContainer");
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return hr;
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}
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HRESULT HrPhysicalDeviceIdentifierToString(const GUID & pdi, CUString & str)
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{
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HRESULT hr = S_OK;
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hr = str.HrInitFromGUID(pdi);
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TraceHr(ttidError, FAL, hr, FALSE, "HrPhysicalDeviceIdentifierToString");
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return hr;
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}
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HRESULT HrStringToPhysicalDeviceIdentifier(const wchar_t * szStrPdi, GUID & pdi)
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{
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HRESULT hr = S_OK;
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hr = CLSIDFromString(const_cast<wchar_t *>(szStrPdi), &pdi);
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TraceHr(ttidError, FAL, hr, FALSE, "HrStringToPhysicalDeviceIdentifier");
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return hr;
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}
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HRESULT HrGUIDToUDNString(const UUID & uuid, CUString & strUUID)
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{
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HRESULT hr = S_OK;
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hr = strUUID.HrAssign(L"uuid:");
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if(SUCCEEDED(hr))
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{
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wchar_t * szUUID = NULL;
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RPC_STATUS status;
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status = UuidToString(const_cast<UUID*>(&uuid), (unsigned short **)&szUUID);
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if(RPC_S_OUT_OF_MEMORY == status)
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{
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hr = E_OUTOFMEMORY;
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}
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if(SUCCEEDED(hr))
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{
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hr = strUUID.HrAppend(szUUID);
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RpcStringFree((unsigned short **)&szUUID);
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}
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}
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TraceHr(ttidError, FAL, hr, FALSE, "HrGUIDToUDNString");
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return hr;
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}
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HRESULT HrMakeFullPath(
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const wchar_t * szPath,
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const wchar_t * szFile,
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CUString & strFullPath)
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{
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HRESULT hr = S_OK;
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hr = strFullPath.HrAssign(szPath);
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if(SUCCEEDED(hr))
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{
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hr = HrEnsurePathBackslash(strFullPath);
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if(SUCCEEDED(hr))
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{
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hr = strFullPath.HrAppend(szFile);
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}
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}
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TraceHr(ttidError, FAL, hr, FALSE, "HrMakeFullPath");
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return hr;
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}
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HRESULT HrEnsurePathBackslash(CUString & strPath)
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{
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HRESULT hr = S_OK;
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long nLength = strPath.GetLength();
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if(nLength)
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{
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if(L'\\' != strPath[nLength - 1])
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{
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hr = strPath.HrAppend(L"\\");
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}
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}
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TraceHr(ttidError, FAL, hr, FALSE, "HrEnsurePathBackslash");
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return hr;
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}
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HRESULT HrAddDirectoryToPath(CUString & strPath, const wchar_t * szDir)
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{
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HRESULT hr = S_OK;
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CUString strTemp;
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hr = strTemp.HrAssign(strPath);
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if(SUCCEEDED(hr))
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{
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hr = HrEnsurePathBackslash(strTemp);
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if(SUCCEEDED(hr))
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{
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hr = strTemp.HrAppend(szDir);
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if(SUCCEEDED(hr))
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{
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if(!CreateDirectory(strTemp, NULL))
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{
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// Who cares if it already exists?
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hr = HrFromLastWin32Error();
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if(HRESULT_FROM_WIN32(ERROR_ALREADY_EXISTS) == hr)
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{
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hr = S_OK;
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}
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}
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}
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}
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}
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if(SUCCEEDED(hr))
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{
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hr = HrEnsurePathBackslash(strTemp);
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if(SUCCEEDED(hr))
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{
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strPath.Transfer(strTemp);
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}
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}
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TraceHr(ttidError, FAL, hr, FALSE, "HrAddDirectoryToPath");
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return hr;
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}
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HRESULT HrGetUPnPHostPath(CUString & strPath)
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{
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HRESULT hr = S_OK;
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HANDLE hToken = NULL;
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WCHAR szPath[MAX_PATH + 1];
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CUString strCommonAppData;
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if (OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
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{
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hr = SHGetFolderPath(NULL, CSIDL_APPDATA, hToken, SHGFP_TYPE_CURRENT,
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szPath);
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if (SUCCEEDED(hr))
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{
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hr = strCommonAppData.HrAssign(szPath);
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if(SUCCEEDED(hr))
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{
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// Create the directories
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hr = HrAddDirectoryToPath(strCommonAppData, c_szMicrosoft);
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if(SUCCEEDED(hr))
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{
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hr = HrAddDirectoryToPath(strCommonAppData, c_szUPnPDeviceHost);
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if(SUCCEEDED(hr))
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{
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strPath.Transfer(strCommonAppData);
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}
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}
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}
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}
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CloseHandle(hToken);
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}
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TraceHr(ttidError, FAL, hr, FALSE, "HrGetUPnPHostPath");
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return hr;
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}
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static const WCHAR c_szUrl[] = L"/upnphost";
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HRESULT HrMakeIsapiExtensionDirectory()
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{
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HRESULT hr = S_OK;
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WCHAR szSysDir[MAX_PATH];
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// Create ISAPI extension directory and copy DLL there
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CUString strPath;
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CUString strSrcPath;
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if (GetSystemDirectory(szSysDir, MAX_PATH))
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{
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hr = strSrcPath.HrAssign(szSysDir);
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if (SUCCEEDED(hr))
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{
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hr = strSrcPath.HrAppend(L"\\");
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if (SUCCEEDED(hr))
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{
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hr = strSrcPath.HrAppend(c_szUdhisapiDll);
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}
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}
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}
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else
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{
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hr = HrFromLastWin32Error();
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}
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if(SUCCEEDED(hr))
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{
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CUString strFile;
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hr = HrGetUPnPHostPath(strPath);
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if(SUCCEEDED(hr))
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{
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hr = HrAddDirectoryToPath(strPath, c_szUpnphost);
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if(SUCCEEDED(hr))
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{
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hr = strFile.HrAssign(strPath);
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if(SUCCEEDED(hr))
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{
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hr = strFile.HrAppend(c_szUdhisapiDll);
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if(SUCCEEDED(hr))
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{
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if(!CopyFile(strSrcPath, strFile, FALSE))
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{
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hr = HrFromLastWin32Error();
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}
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}
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}
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}
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}
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}
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if(SUCCEEDED(hr))
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{
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HKEY hkeyVroot;
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HKEY hkeyNew;
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hr = HrRegOpenKeyEx(HKEY_LOCAL_MACHINE, RK_HTTPDVROOTS, KEY_ALL_ACCESS,
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&hkeyVroot);
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if (SUCCEEDED(hr))
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{
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hr = HrRegCreateKeyEx(hkeyVroot, c_szUrl, 0, KEY_ALL_ACCESS, NULL,
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&hkeyNew, NULL);
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if (SUCCEEDED(hr))
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{
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// Pass NULL to set default value
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//
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hr = HrRegSetSz(hkeyNew, NULL, strPath.GetBuffer());
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RegCloseKey(hkeyNew);
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}
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RegCloseKey(hkeyVroot);
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}
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}
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TraceHr(ttidError, FAL, hr, FALSE, "HrMakeIsapiExtensionDirectory");
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return hr;
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}
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