windows-nt/Source/XPSP1/NT/net/rras/dim/admindll/sdowrap.cpp

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2020-09-26 03:20:57 -05:00
/*
File sdowrap.cpp
Implements a wrapper for the sdo server class based on
weijiang's rasuser.dll code.
Paul Mayfield, 6/8/98
*/
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <windows.h>
#include <objbase.h>
#include "sdoias.h"
#include "sdolib.h"
#include "sdowrap.h"
#include "hashtab.h"
//
// Structure defines data returned as a profile
//
typedef struct _SDO_PROFILE
{
ISdo * pSdo; // sdo of profile
ISdoCollection * pCollection; // attributes
ISdoDictionaryOld * pDictionary; // associated dictionary
ISdoServiceControl * pServiceControl; // associated ias service
HANDLE hMap; // attribute map
} SDO_PROFILE;
//
// Structure maps sdo object to an id
//
typedef struct _SDO_TO_ID {
ISdo * pSdo;
ULONG ulId;
} SDO_TO_ID;
//
// Size of hash tables we'll use
//
#define SDO_HASH_SIZE 13
//
// External function prototypes
//
extern "C"
{
DWORD SdoTraceEx (DWORD dwErr, LPSTR pszTrace, ...);
PVOID SdoAlloc (
IN DWORD dwSize,
IN BOOL bZero);
VOID SdoFree (
IN PVOID pvData);
}
HRESULT
SdoCollectionGetNext(
IEnumVARIANT* pEnum,
ISdo** ppSdo);
ULONG SdoHashId (
IN HANDLE hId);
int SdoCompIds (
IN HANDLE hId,
IN HANDLE hSdoNode);
VOID SdoCleanupElement (
IN HANDLE hSdoNode);
DWORD
SdoCreateIdMap(
IN ISdoCollection * pCollection,
OUT PHANDLE phMap);
HRESULT
SdoProfileSetAttribute(
IN SDO_PROFILE* pProf,
IN VARIANT* pVar,
IN ULONG ulId);
//
// Strings
//
static const WCHAR pszIasService[] = L"IAS";
static const WCHAR pszRemoteAccessService[] = L"RemoteAccess";
//
// Macros
//
#define SDO_RELEASE(_x) {if (_x) ((_x)->Release());}
//
// Define a class to act as a wrapper for sdo
// server functionality.
//
class SdoMachine {
public:
// Construction/destruction
//
SdoMachine();
SdoMachine(BOOL bLocal);
~SdoMachine();
// Server connection
//
HRESULT Attach(
BSTR pszMachine);
// Get the machine sdo
//
ISdoMachine * GetMachine();
// Get the dictionary sdo
//
ISdoDictionaryOld * GetDictionary();
// Returns the ias service object
IUnknown * GetIasService();
IUnknown * GetRemoteAccessService();
// Obtain user objects
HRESULT GetUserSdo(
BSTR bstrUserName,
ISdo** ppUserSdo);
// Obtain profiles
HRESULT GetDefaultProfile(
ISdo ** ppProfileSdo);
protected:
// Returns the datastore that should be
// used for this machine
IASDATASTORE GetDataStore();
// Protected data
ISdoMachine * m_pMachine;
BOOL m_bDataStoreInitailzed;
BOOL m_bLocal;
IASDATASTORE m_IasDataStore;
};
//
// Construct a server
//
SdoMachine::SdoMachine() {
m_pMachine = NULL;
m_bDataStoreInitailzed = FALSE;
m_bLocal = TRUE;
m_IasDataStore = DATA_STORE_LOCAL;
}
//
// Construct a server
//
SdoMachine::SdoMachine(BOOL bLocal) {
m_pMachine = NULL;
m_bDataStoreInitailzed = FALSE;
m_bLocal = bLocal;
m_IasDataStore = (bLocal) ? DATA_STORE_LOCAL : DATA_STORE_DIRECTORY;
}
//
// Cleanup a server
//
SdoMachine::~SdoMachine() {
if (m_pMachine)
m_pMachine->Release();
}
//
// Attach to an SdoServer
//
HRESULT SdoMachine::Attach(
IN BSTR pszMachine)
{
HRESULT hr = S_OK;
VARIANT var;
VariantInit(&var);
do {
// CoCreate the instance
hr = CoCreateInstance(
CLSID_SdoMachine,
NULL,
CLSCTX_INPROC_SERVER,
IID_ISdoMachine,
(void**)&m_pMachine);
if (FAILED (hr))
{
SdoTraceEx(0, "CoCreateInstance SdoMachine failed %x\n", hr);
break;
}
// Connect
hr = m_pMachine->Attach(pszMachine);
if (FAILED (hr))
{
SdoTraceEx(0, "SdoMachine::Attach failed %x\n", hr);
break;
}
} while (FALSE);
// Cleanup
{
VariantClear(&var);
if ((FAILED(hr)) && (m_pMachine != NULL))
{
m_pMachine->Release();
m_pMachine = NULL;
}
}
return hr;
}
//
// Returns the machine sdo for this machine
//
ISdoMachine* SdoMachine::GetMachine() {
return m_pMachine;
}
//
// Returns dictionary associated with this machine
//
ISdoDictionaryOld * SdoMachine::GetDictionary()
{
ISdoDictionaryOld * pRet = NULL;
IUnknown * pUnk = NULL;
HRESULT hr;
do
{
hr = m_pMachine->GetDictionarySDO(&pUnk);
if (FAILED (hr))
{
SetLastError(hr);
break;
}
hr = pUnk->QueryInterface(IID_ISdoDictionaryOld, (VOID**)&pRet);
if (FAILED (hr))
{
SetLastError(hr);
break;
}
pRet->AddRef();
} while (FALSE);
// Cleanup
{
SDO_RELEASE(pUnk);
SDO_RELEASE(pRet);
}
return pRet;
}
IUnknown * SdoMachine::GetIasService()
{
IUnknown * pRet = NULL;
HRESULT hr = S_OK;
BSTR bstrService = SysAllocString(pszIasService);
do
{
if (bstrService == NULL)
{
break;
}
hr = m_pMachine->GetServiceSDO(
GetDataStore(),
bstrService,
&pRet);
if (FAILED (hr))
{
SetLastError(hr);
break;
}
} while (FALSE);
// Cleanup
{
if (FAILED (hr))
{
SDO_RELEASE(pRet);
}
if (bstrService)
{
SysFreeString(bstrService);
}
}
return pRet;
}
IUnknown * SdoMachine::GetRemoteAccessService()
{
IUnknown * pRet = NULL;
HRESULT hr = S_OK;
BSTR bstrService = SysAllocString(pszRemoteAccessService);
do
{
if (bstrService == NULL)
{
break;
}
hr = m_pMachine->GetServiceSDO(
GetDataStore(),
bstrService,
&pRet);
if (FAILED (hr))
{
SetLastError(hr);
break;
}
} while (FALSE);
// Cleanup
{
if (FAILED (hr))
{
SDO_RELEASE(pRet);
}
if (bstrService)
{
SysFreeString(bstrService);
}
}
return pRet;
}
//
// Get a reference to the given user from the
// sdo server
//
HRESULT SdoMachine::GetUserSdo(
IN BSTR bstrUserName,
OUT ISdo** ppUserSdo)
{
HRESULT hr = S_OK;
IUnknown* pUnkn = NULL;
// Validate parameters
if(!ppUserSdo)
{
return E_INVALIDARG;
}
if (! m_pMachine)
{
return E_POINTER;
}
do {
// Get the user from the machine
hr = m_pMachine->GetUserSDO(GetDataStore(), bstrUserName, &pUnkn);
if (FAILED (hr))
{
SdoTraceEx (0,"GetUserSdo failed %x\n", hr);
break;
}
// Get the required interface
hr = pUnkn->QueryInterface(IID_ISdo, (void**)ppUserSdo);
if (FAILED (hr))
{
SdoTraceEx (0,"User has no SDO interface %x\n", hr);
break;
}
} while (FALSE);
// Cleanup
{
if (pUnkn)
pUnkn->Release();
}
return hr;
}
//
// Obtains default profile from the sdo
//
HRESULT
SdoMachine::GetDefaultProfile(
ISdo ** ppProfileSdo)
{
IDispatch* pDisp = NULL;
IEnumVARIANT* pEnum = NULL;
ISdo * pSdo = NULL;
IUnknown * pUnkn = NULL;
IUnknown *pUnknEnum = NULL;
ISdoCollection * pCollection = NULL;
PWCHAR bstrService = NULL;
VARIANT var;
HRESULT hr = S_OK;
INT iCmp;
// Make sure we're ready to go
if(! ppProfileSdo)
return E_INVALIDARG;
if (! m_pMachine)
return E_FAIL;
VariantInit(&var);
do {
// Initialize the service name
bstrService = SysAllocString(pszIasService);
if (bstrService == NULL)
{
SdoTraceEx (0, "GetProfile: unable to alloc service name\n");
hr = E_OUTOFMEMORY;
break;
}
// Get the service SDO
pUnkn = GetRemoteAccessService();
if (pUnkn == NULL)
{
hr = GetLastError();
break;
}
// Get an SDO reference to the service object
hr = pUnkn->QueryInterface(IID_ISdo, (VOID**)&pSdo);
if (FAILED (hr))
{
SdoTraceEx (0,"GetProfile: no service sdo %x\n", hr);
break;
}
// Get the profiles collection for the service
hr = pSdo->GetProperty(
PROPERTY_IAS_PROFILES_COLLECTION,
&var);
if (FAILED (hr))
{
SdoTraceEx (0,"GetProfile: no profiles collection %x\n", hr);
break;
}
// We're done with the service sdo
pSdo->Release();
pSdo = NULL;
// Get the collection interface to the profiles collection
hr = (V_DISPATCH(&var))->QueryInterface(
IID_ISdoCollection,
(VOID**)&pCollection);
if (FAILED (hr))
{
SdoTraceEx (0,"GetProfile: collec interface %x\n", hr);
break;
}
// Get an enumerator for the profiles collection
hr = pCollection->get__NewEnum(&pUnknEnum);
if (FAILED (hr))
{
SdoTraceEx (0,"GetProfile: no collec enumerator %x\n", hr);
break;
}
// Get the variant enumerator interface of the profiles collection
hr = pUnknEnum->QueryInterface(
IID_IEnumVARIANT,
(VOID**)&pEnum);
// Get the first profile
pEnum->Reset();
hr = SdoCollectionGetNext(pEnum, &pSdo);
if (hr != S_OK)
{
SdoTraceEx (0,"GetProfile: no profile %x\n", hr);
hr = DISP_E_MEMBERNOTFOUND;
break;
}
// Make sure there is only one profile
//
{
ISdo* pSdo2 = NULL;
HRESULT hr2 = S_OK;
hr2 = SdoCollectionGetNext(pEnum, &pSdo2);
SDO_RELEASE(pSdo2);
if (hr2 == S_OK)
{
SdoTraceEx(0, "GetProfile: multiple found, returning error\n");
hr = DISP_E_MEMBERNOTFOUND;
break;
}
}
// Done
*ppProfileSdo = pSdo;
pSdo = NULL;
} while (FALSE);
// Cleanup
{
SDO_RELEASE (pDisp);
SDO_RELEASE (pSdo);
SDO_RELEASE (pEnum);
SDO_RELEASE (pUnkn);
SDO_RELEASE (pUnknEnum);
SDO_RELEASE (pCollection);
VariantClear(&var);
if (bstrService)
SysFreeString(bstrService);
}
return hr;
}
//
// Get the data store for this machine
//
IASDATASTORE SdoMachine::GetDataStore() {
VARIANT_BOOL vbDirectory = VARIANT_FALSE;
HRESULT hr;
if (! m_bDataStoreInitailzed)
{
do {
// Determine whether a local verses directory user should
// be loaded.
hr = m_pMachine->IsDirectoryAvailable(&vbDirectory);
if (FAILED (hr))
{
SdoTraceEx (0,"IsDirectoryAvailable failed %x\n", hr);
break;
}
// If the user wants a local user, it's always ok to
// attempt to get it.
if (m_bLocal)
{
m_IasDataStore = DATA_STORE_LOCAL;
}
// Otherwise, a directory user is being requested
else
{
// Directory is available, go to the ds
if (vbDirectory == VARIANT_TRUE)
{
m_IasDataStore = DATA_STORE_DIRECTORY;
}
// Directory's not available, exit with error
else if (vbDirectory == VARIANT_FALSE)
{
m_IasDataStore = DATA_STORE_LOCAL;
SdoTraceEx(0, "GetUserSdo: DS user but no DS %x\n", hr);
break;
}
}
} while (FALSE);
// Remember that we've already calculated the data store
m_bDataStoreInitailzed = TRUE;
}
return m_IasDataStore;
}
//
// Opens an sdo server and connects to it.
//
HRESULT WINAPI
SdoWrapOpenServer(
IN BSTR pszMachine,
IN BOOL bLocal,
OUT HANDLE* phSdoSrv)
{
HRESULT hr;
if(! phSdoSrv)
return E_INVALIDARG;
*phSdoSrv = NULL;
// Build the machine wrapper for the given
// machine
SdoMachine* pSdoSrv = new SdoMachine(bLocal);
if(! pSdoSrv)
return E_OUTOFMEMORY;
// Attach the wrapper to the desired macine
hr = pSdoSrv->Attach(
pszMachine);
if(S_OK == hr)
*phSdoSrv = (HANDLE)pSdoSrv;
else
delete pSdoSrv;
return hr;
}
//
// Closes out an open sdo server object
//
HRESULT WINAPI
SdoWrapCloseServer(
IN HANDLE hSdoSrv)
{
SdoMachine* pSdoSrv;
pSdoSrv = (SdoMachine*)hSdoSrv;
if (pSdoSrv)
delete pSdoSrv;
return S_OK;
}
//
// Get a reference to a user in the sdo object
//
// returns S_OK, or error message from SDO
//
HRESULT WINAPI
SdoWrapOpenUser(
IN HANDLE hSdoSrv,
IN BSTR pszUser,
OUT HANDLE* phSdoObj)
{
SdoMachine* pSdoSrv = (SdoMachine*)hSdoSrv;
HRESULT hr = S_OK;
ISdo* pSdo = NULL;
if(!hSdoSrv || !phSdoObj)
return E_INVALIDARG;
// Get the user object
hr = pSdoSrv->GetUserSdo(pszUser, &pSdo);
if(! FAILED(hr))
{
*phSdoObj = (HANDLE)pSdo;
}
return hr;
}
//
// Retrieves the default profile object
//
HRESULT WINAPI
SdoWrapOpenDefaultProfile (
IN HANDLE hSdoSrv,
OUT PHANDLE phProfile)
{
SdoMachine* pMachine = (SdoMachine*)hSdoSrv;
HRESULT hr = S_OK;
ISdo* pSdo = NULL;
ISdoCollection * pCollection = NULL;
ISdoDictionaryOld * pDictionary = NULL;
IUnknown * pUnkn = NULL;
ISdoServiceControl * pServiceControl = NULL;
HANDLE hMap = NULL;
SDO_PROFILE * pProf = NULL;
VARIANT var;
// Validate parameters
if ((pMachine == NULL) || (phProfile == NULL))
{
return E_INVALIDARG;
}
VariantInit(&var);
do
{
// Initialize a structure to hold the profile
pProf = (SDO_PROFILE*) SdoAlloc(sizeof(SDO_PROFILE), TRUE);
if (pProf == NULL)
{
hr = ERROR_NOT_ENOUGH_MEMORY;
break;
}
// Get the sdo reference to the default profile
// from the server
hr = pMachine->GetDefaultProfile(&pSdo);
if (FAILED (hr))
{
break;
}
if (pSdo == NULL)
{
hr = E_FAIL;
break;
}
// Get the collection of attributes
hr = pSdo->GetProperty(
PROPERTY_PROFILE_ATTRIBUTES_COLLECTION,
&var);
if (FAILED (hr))
{
break;
}
// Get a reference to the IsdoCollection
hr = V_DISPATCH(&var)->QueryInterface(
IID_ISdoCollection,
(VOID**)&pCollection);
if (FAILED (hr))
{
break;
}
// Load the attributes for the profile
hr = SdoCreateIdMap(pCollection, &hMap);
if (hr != NO_ERROR)
{
break;
}
// Get the dictionary for the profile
pDictionary = pMachine->GetDictionary();
if (pDictionary == NULL)
{
hr = GetLastError();
break;
}
// Get the service for the profile
pUnkn = pMachine->GetRemoteAccessService();
if (pUnkn == NULL)
{
hr = GetLastError();
break;
}
// If this call fails, pServiceControl
// will be silently NULL which is what
// we want (it's not required).
pUnkn->QueryInterface(
IID_ISdoServiceControl,
(VOID**)&pServiceControl);
// Initialize the sdo control block.
pProf->pSdo = pSdo;
pProf->pCollection = pCollection;
pProf->pDictionary = pDictionary;
pProf->pServiceControl = pServiceControl;
pProf->hMap = hMap;
*phProfile = (HANDLE)pProf;
} while (FALSE);
// Cleanup
{
if (FAILED (hr))
{
HashTabCleanup(hMap);
SDO_RELEASE(pSdo);
SDO_RELEASE(pCollection);
SDO_RELEASE(pDictionary);
SDO_RELEASE(pServiceControl);
SdoFree(pProf);
}
SDO_RELEASE(pUnkn);
VariantClear(&var);
}
return hr;
}
//
// Closes an open sdo object
//
HRESULT WINAPI
SdoWrapClose(
IN HANDLE hSdoObj)
{
ISdo* pSdo = (ISdo*)hSdoObj;
if (pSdo)
pSdo->Release();
return S_OK;
}
//
// Closes an open sdo profile
//
HRESULT WINAPI
SdoWrapCloseProfile(
IN HANDLE hProfile)
{
SDO_PROFILE* pProf = (SDO_PROFILE*)hProfile;
if (pProf)
{
// Cleanup the hashtab of values
if (pProf->hMap)
{
HashTabCleanup(pProf->hMap);
}
SDO_RELEASE(pProf->pSdo);
SDO_RELEASE(pProf->pCollection);
SDO_RELEASE(pProf->pDictionary);
SDO_RELEASE(pProf->pServiceControl);
SdoFree(pProf);
}
return S_OK;
}
//
// Commits an sdo object
//
// bCommitChanges -- TRUE, all changes are saved,
// FALSE restore to previous commit
// returns S_OK or error message from SDO
//
HRESULT WINAPI
SdoWrapCommit(
IN HANDLE hSdoObj,
IN BOOL bCommitChanges)
{
ISdo* pSdo = (ISdo*)hSdoObj;
if (! bCommitChanges)
return pSdo->Restore();
return pSdo->Apply();
}
//
// Get's an sdo attribute
//
// when attribute is absent,
// V_VT(pVar) = VT_ERROR;
// V_ERROR(pVar) = DISP_E_PARAMNOTFOUND;
//
// returns S_OK or error message from SDO
//
HRESULT WINAPI
SdoWrapGetAttr(
IN HANDLE hSdoObj,
IN ULONG ulPropId,
OUT VARIANT* pVar)
{
ISdo* pSdo = (ISdo*)hSdoObj;
return pSdo->GetProperty(ulPropId, pVar);
}
//
// Puts an sdo attribute
//
// returns S_OK or error message from SDO
//
HRESULT WINAPI
SdoWrapPutAttr(
IN HANDLE hSdoObj,
IN ULONG ulPropId,
OUT VARIANT* pVar)
{
ISdo* pSdo = (ISdo*)hSdoObj;
return pSdo->PutProperty(ulPropId, pVar);
}
//
// Remove an attribute
//
// returns S_OK or error message from SDO
//
HRESULT WINAPI
SdoWrapRemoveAttr(
IN HANDLE hSdoObj,
IN ULONG ulPropId)
{
ISdo* pSdo = (ISdo*)hSdoObj;
VARIANT var;
VariantInit(&var);
V_VT(&var) = VT_EMPTY;
return pSdo->PutProperty(ulPropId, &var);
}
//
// Reads in the set of profile values that we're interested
// in.
//
HRESULT
SdoWrapGetProfileValues(
IN HANDLE hProfile,
OUT VARIANT* pvarEp,
OUT VARIANT* pvarEt,
OUT VARIANT* pvarAt)
{
SDO_TO_ID * pNode = NULL;
SDO_PROFILE * pProf = (SDO_PROFILE*)hProfile;
// Validate
if (pProf == NULL)
{
return E_INVALIDARG;
}
// Initialize
V_VT(pvarEp) = VT_EMPTY;
V_VT(pvarEt) = VT_EMPTY;
V_VT(pvarAt) = VT_EMPTY;
// Read in the enc policy
pNode = NULL;
HashTabFind(
pProf->hMap,
(HANDLE)RAS_ATTRIBUTE_ENCRYPTION_POLICY,
(HANDLE*)&pNode);
if (pNode)
{
pNode->pSdo->GetProperty(PROPERTY_ATTRIBUTE_VALUE, pvarEp);
}
// Read in the enc type
pNode = NULL;
HashTabFind(
pProf->hMap,
(HANDLE)RAS_ATTRIBUTE_ENCRYPTION_TYPE,
(HANDLE*)&pNode);
if (pNode)
{
pNode->pSdo->GetProperty(PROPERTY_ATTRIBUTE_VALUE, pvarEt);
}
// Read in the auth type
pNode = NULL;
HashTabFind(
pProf->hMap,
(HANDLE)IAS_ATTRIBUTE_NP_AUTHENTICATION_TYPE,
(HANDLE*)&pNode);
if (pNode)
{
pNode->pSdo->GetProperty(PROPERTY_ATTRIBUTE_VALUE, pvarAt);
}
return S_OK;
}
//
// Writes out the set of profile values that we're interested
// in.
//
HRESULT
SdoWrapSetProfileValues(
IN HANDLE hProfile,
IN VARIANT* pvarEp OPTIONAL,
IN VARIANT* pvarEt OPTIONAL,
IN VARIANT* pvarAt OPTIONAL)
{
SDO_PROFILE * pProf = (SDO_PROFILE*)hProfile;
HRESULT hr = S_OK;
// Validate
if (pProf == NULL)
{
return E_INVALIDARG;
}
do
{
// Write out the values
if (pvarEp)
{
hr = SdoProfileSetAttribute(
pProf,
pvarEp,
RAS_ATTRIBUTE_ENCRYPTION_POLICY);
if (FAILED (hr))
{
break;
}
}
if (pvarEt)
{
hr = SdoProfileSetAttribute(
pProf,
pvarEt,
RAS_ATTRIBUTE_ENCRYPTION_TYPE);
if (FAILED (hr))
{
break;
}
}
if (pvarAt)
{
hr = SdoProfileSetAttribute(
pProf,
pvarAt,
IAS_ATTRIBUTE_NP_AUTHENTICATION_TYPE);
if (FAILED (hr))
{
break;
}
}
// Commit the values
hr = pProf->pSdo->Apply();
if (FAILED (hr))
{
break;
}
// Tell the service to restart so it reads in the
// new profile values we've set.
if (pProf->pServiceControl)
{
hr = pProf->pServiceControl->ResetService();
SdoTraceEx(0, "ResetService returned: %x!\n", hr);
hr = S_OK;
//if (FAILED (hr))
//{
// break;
//}
}
else
{
SdoTraceEx(0, "NO SERVICE CONTROL INTERFACE!\n");
}
} while (FALSE);
// Cleanup
{
}
return hr;
}
//
// Retrieves the next item from a collection
//
HRESULT
SdoCollectionGetNext(
IEnumVARIANT* pEnum,
ISdo** ppSdo)
{
HRESULT hr;
DWORD dwRetrieved = 1;
VARIANT var;
// Get the next value
VariantInit(&var);
hr = pEnum->Next(1, &var, &dwRetrieved);
if ( S_OK == hr ) {
hr = V_DISPATCH(&var)->QueryInterface(
IID_ISdo,
(void**)ppSdo);
}
VariantClear(&var);
return hr;
}
//
// Hash table functions that take advantage of
// SDO_TO_ID structures
//
ULONG SdoHashId (HANDLE hId) {
ULONG ulId = PtrToUlong(hId);
return (ulId % SDO_HASH_SIZE);
}
//
// Compare two ids
//
int SdoCompIds (HANDLE hId, HANDLE hSdoNode) {
ULONG ulId = PtrToUlong(hId);
SDO_TO_ID * pSdoNode = (SDO_TO_ID*)hSdoNode;
if (ulId == pSdoNode->ulId)
{
return 0;
}
else if (ulId > pSdoNode->ulId)
{
return 1;
}
return -1;
}
//
// Cleanup data in the hash table
//
VOID SdoCleanupElement (HANDLE hSdoNode) {
SDO_TO_ID * pSdoNode = (SDO_TO_ID*)hSdoNode;
if (pSdoNode) {
SDO_RELEASE(pSdoNode->pSdo);
delete pSdoNode;
}
}
//
// Creates an attribute to id map given a collection
//
DWORD
SdoCreateIdMap(
IN ISdoCollection * pCollection,
OUT PHANDLE phMap)
{
HRESULT hr;
SDO_TO_ID * pMapNode = NULL;
VARIANT var, *pVar = NULL;
ULONG ulCount;
IUnknown * pUnk = NULL;
IEnumVARIANT * pEnum = NULL;
DWORD i;
do
{
// Get the count to see if there are any attributes
hr = pCollection->get_Count((long*)&ulCount);
if (FAILED (hr))
{
break;
}
if (ulCount == 0)
{
hr = S_OK;
break;
}
// Create the map
hr = HashTabCreate(
SDO_HASH_SIZE,
SdoHashId,
SdoCompIds,
NULL,
NULL,
SdoCleanupElement,
phMap);
if (hr != NO_ERROR)
{
break;
}
// Get an attribute enumerator
hr = pCollection->get__NewEnum(&pUnk);
if (FAILED (hr))
{
break;
}
// Get the enum variant interface for the enumerator
hr = pUnk->QueryInterface(IID_IEnumVARIANT, (void**)&pEnum);
if (FAILED (hr))
{
break;
}
// Create a buffer large enough to hold the result
// of the enumeration.
pVar = new VARIANT[ulCount];
if(!pVar)
{
return E_OUTOFMEMORY;
}
// Initialize the buffer
for(i = 0; i < ulCount; i++)
{
VariantInit(pVar + i);
}
// Enumerate
hr = pEnum->Reset();
if (FAILED (hr))
{
return hr;
}
hr = pEnum->Next(ulCount, pVar, &ulCount);
if (FAILED (hr))
{
return hr;
}
// Fill in the map
for(i = 0; i < ulCount; i++)
{
VariantInit(&var);
// Initialize the node in the map
pMapNode = new SDO_TO_ID;
if (! pMapNode)
{
hr = E_OUTOFMEMORY;
break;
}
// Get the current attribute
hr = V_DISPATCH(pVar + i)->QueryInterface(
IID_ISdo,
(void**)&(pMapNode->pSdo));
if (FAILED (hr))
{
delete pMapNode;
continue;
}
// Get it's id
hr = pMapNode->pSdo->GetProperty(
PROPERTY_ATTRIBUTE_ID,
&var);
if (FAILED (hr))
{
delete pMapNode;
continue;
}
// Map it
pMapNode->ulId = V_I4(&var);
HashTabInsert (
*phMap,
(HANDLE)UlongToPtr(pMapNode->ulId),
(HANDLE)pMapNode);
VariantClear(&var);
}
} while (FALSE);
// Cleanup
{
if (pVar)
{
for(i = 0; i < ulCount; i++)
{
VariantClear(pVar + i);
}
delete[] pVar;
}
SDO_RELEASE(pUnk);
SDO_RELEASE(pEnum);
}
return hr;
}
//
// Sets a value in an attribute collection, adding it
// to the collection as needed.
//
HRESULT
SdoProfileSetAttribute(
IN SDO_PROFILE* pProf,
IN VARIANT* pVar,
IN ULONG ulPropId)
{
SDO_TO_ID * pNode = NULL;
ISdo * pSdo = NULL;
IDispatch * pDispatch = NULL;
HRESULT hr = S_OK;
do
{
// Search for the given attribute in the
// table.
pNode = NULL;
HashTabFind(
pProf->hMap,
(HANDLE)UlongToPtr(ulPropId),
(HANDLE*)&pNode);
// If attribute is found, then we have the sdo interface
// we need
if (pNode)
{
pSdo = pNode->pSdo;
}
// Otherwise, we need to add the value to the collection
else
{
// Create the attribute using the dictionary
hr = pProf->pDictionary->CreateAttribute(
(ATTRIBUTEID)ulPropId,
&pDispatch);
if (FAILED (hr))
{
break;
}
// Add to the collection
hr = pProf->pCollection->Add(NULL, &pDispatch);
if (FAILED (hr))
{
break;
}
// Get the sdo interface
hr = pDispatch->QueryInterface(IID_ISdo, (VOID**)&pSdo);
if (FAILED(hr))
{
break;
}
// Update the hash table
pNode = new SDO_TO_ID;
if (!pNode)
{
hr = E_OUTOFMEMORY;
break;
}
// Add ref so we can track the sdo in the hash table
pSdo->AddRef();
pNode->ulId = ulPropId;
pNode->pSdo = pSdo;
HashTabInsert (pProf->hMap, (HANDLE)UlongToPtr(ulPropId), (HANDLE)pNode);
}
// Set the attribute
pSdo->PutProperty(PROPERTY_ATTRIBUTE_VALUE, pVar);
if (FAILED (hr))
{
break;
}
} while (FALSE);
// Cleanup
{
SDO_RELEASE(pDispatch);
}
return hr;
}