Leaked source code of windows server 2003
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/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Microsoft Windows, Copyright (C) Microsoft Corporation, 2000.
File: OIDs.cpp
Content: Implementation of COIDs.
History: 06-15-2001 dsie created
------------------------------------------------------------------------------*/
#include "StdAfx.h"
#include "CAPICOM.h"
#include "OIDs.h"
////////////////////////////////////////////////////////////////////////////////
//
// Exported functions.
//
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Function : CreateOIDsObject
Synopsis : Create and initialize an IOIDs collection object.
Parameter: PCERT_ENHKEY_USAGE pUsages - Pointer to CERT_ENHKEY_USAGE used to
initialize the OIDs collection.
BOOL bCertPolicies - TRUE for certificate policies, else
application policies is assumed.
IOIDs ** ppIOIDs - Pointer to pointer to IOIDs to receive the
interface pointer.
Remark :
------------------------------------------------------------------------------*/
HRESULT CreateOIDsObject (PCERT_ENHKEY_USAGE pUsages,
BOOL bCertPolicies,
IOIDs ** ppIOIDs)
{
HRESULT hr = S_OK;
CComObject<COIDs> * pCOIDs = NULL;
DebugTrace("Entering CreateOIDsObject().\n");
//
// Sanity check.
//
ATLASSERT(ppIOIDs);
try
{
//
// Create the object. Note that the ref count will still be 0
// after the object is created.
//
if (FAILED(hr = CComObject<COIDs>::CreateInstance(&pCOIDs)))
{
DebugTrace("Error [%#x]: CComObject<COIDs>::CreateInstance() failed.\n", hr);
goto ErrorExit;
}
//
// Initialize object.
//
if (FAILED(hr = pCOIDs->Init(pUsages, bCertPolicies)))
{
DebugTrace("Error [%#x]: pCOIDs->Init() failed.\n", hr);
goto ErrorExit;
}
//
// Return IOIDs pointer to caller.
//
if (FAILED(hr = pCOIDs->QueryInterface(ppIOIDs)))
{
DebugTrace("Error [%#x]: pCOIDs->QueryInterface() failed.\n", hr);
goto ErrorExit;
}
}
catch(...)
{
hr = E_POINTER;
DebugTrace("Exception: invalid parameter.\n");
goto ErrorExit;
}
CommonExit:
DebugTrace("Leaving CreateOIDsObject().\n");
return hr;
ErrorExit:
//
// Sanity check.
//
ATLASSERT(FAILED(hr));
//
// Free resource.
//
if (pCOIDs)
{
delete pCOIDs;
}
goto CommonExit;
}
////////////////////////////////////////////////////////////////////////////////
//
// COIDs
//
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Function : COIDs::get_Item
Synopsis : Return item in the collection.
Parameter: VARIANT Index - Numeric index or string OID.
VARIANT * pVal - Pointer to VARIANT to receive the IDispatch.
Remark :
------------------------------------------------------------------------------*/
STDMETHODIMP COIDs::get_Item (VARIANT Index, VARIANT * pVal)
{
HRESULT hr = S_OK;
CComPtr<IOID> pIOID = NULL;
DebugTrace("Entering COIDs::get_Item().\n");
try
{
//
// Lock access to this object.
//
m_Lock.Lock();
//
// Check parameters.
//
if (NULL == pVal)
{
hr = E_INVALIDARG;
DebugTrace("Error [%#x]: Parameter pVal is NULL.\n", hr);
goto ErrorExit;
}
//
// Intialize.
//
::VariantInit(pVal);
//
// Numeric or string?
//
if (VT_BSTR == V_VT(&Index))
{
//
// Index by OID string.
//
OIDMap::iterator it;
//
// Find the item with this OID.
//
it = m_coll.find(Index.bstrVal);
if (it == m_coll.end())
{
DebugTrace("Info: OID (%ls) not found in the collection.\n", Index.bstrVal);
goto CommonExit;
}
//
// Point to found item.
//
pIOID = (*it).second;
//
// Return to caller.
//
pVal->vt = VT_DISPATCH;
if (FAILED(hr = pIOID->QueryInterface(IID_IDispatch, (void **) &(pVal->pdispVal))))
{
DebugTrace("Error [%#x]: pIOID->QueryInterface() failed.\n", hr);
goto ErrorExit;
}
}
else
{
//
// Coerce to integer.
//
if (FAILED(hr = ::VariantChangeType(&Index, &Index, 0, VT_I4)))
{
DebugTrace("Error [%#x]: VariantChangeType() failed.\n", hr);
goto ErrorExit;
}
//
// Use the base class implemented by ATL.
//
if (FAILED(hr = IOIDsCollection::get_Item(Index.lVal, pVal)))
{
DebugTrace("Error [%#x]: IOIDsCollection::get_Item() failed.\n", hr);
goto ErrorExit;
}
}
}
catch(...)
{
hr = CAPICOM_E_INTERNAL;
DebugTrace("Exception: internal error.\n");
goto ErrorExit;
}
CommonExit:
//
// Unlock access to this object.
//
m_Lock.Unlock();
DebugTrace("Leaving COIDs::get_Item().\n");
return hr;
ErrorExit:
//
// Sanity check.
//
ATLASSERT(FAILED(hr));
ReportError(hr);
goto CommonExit;
}
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Function : COIDs::Add
Synopsis : Add an OID to the collection.
Parameter: IOID * pVal - OID to be added.
Remark :
------------------------------------------------------------------------------*/
STDMETHODIMP COIDs::Add (IOID * pVal)
{
HRESULT hr = S_OK;
CComBSTR bstrIndex;
CComPtr<IOID> pIOID = NULL;
DebugTrace("Entering COIDs::Add().\n");
try
{
//
// Lock access to this object.
//
m_Lock.Lock();
//
// Check parameters.
//
if (NULL == pVal)
{
hr = E_INVALIDARG;
DebugTrace("Error [%#x]: Parameter pVal is NULL.\n", hr);
goto ErrorExit;
}
//
// Make sure we have a valid OID.
//
if (FAILED(hr = pVal->QueryInterface(__uuidof(IOID), (void **) &pIOID.p)))
{
hr = E_NOINTERFACE;
DebugTrace("Error [%#x]: pVal is not an OID object.\n", hr);
goto ErrorExit;
}
//
// Get OID string.
//
if (FAILED(hr = pIOID->get_Value(&bstrIndex.m_str)))
{
DebugTrace("Error [%#x]: pIOID->get_Value() failed.\n", hr);
goto ErrorExit;
}
//
// Now add object to collection map.
//
// Note that the overloaded = operator for CComPtr will
// automatically AddRef to the object. Also, when the CComPtr
// is deleted (happens when the Remove or map destructor is called),
// the CComPtr destructor will automatically Release the object.
//
m_coll[bstrIndex] = pIOID;
}
catch(...)
{
hr = E_POINTER;
DebugTrace("Exception: invalid parameter.\n");
goto ErrorExit;
}
UnlockExit:
//
// Unlock access to this object.
//
m_Lock.Unlock();
DebugTrace("Leaving COIDs::Add().\n");
return hr;
ErrorExit:
//
// Sanity check.
//
ATLASSERT(FAILED(hr));
ReportError(hr);
goto UnlockExit;
}
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Function : COIDs::Remove
Synopsis : Remove a OID from the collection.
Parameter: VARIANT Index - OID string or index (1-based).
Remark :
------------------------------------------------------------------------------*/
STDMETHODIMP COIDs::Remove (VARIANT Index)
{
HRESULT hr = S_OK;
OIDMap::iterator it;
DebugTrace("Entering COIDs::Remove().\n");
try
{
//
// Lock access to this object.
//
m_Lock.Lock();
//
// Numeric or string?
//
if (VT_BSTR == V_VT(&Index))
{
//
// Find the item with this OID.
//
it = m_coll.find(Index.bstrVal);
if (it == m_coll.end())
{
//
// Not found.
//
hr = E_INVALIDARG;
DebugTrace("Error [%#x]: OID (%ls) not found in the collection.\n", hr, Index.bstrVal);
goto ErrorExit;
}
}
else
{
DWORD iIndex = 0;
//
// Coerce to integer.
//
if (FAILED(hr = ::VariantChangeType(&Index, &Index, 0, VT_I4)))
{
DebugTrace("Error [%#x]: VariantChangeType() failed.\n", hr);
goto ErrorExit;
}
//
// Force to 1 based.
//
iIndex = V_I4(&Index) < 0 ? 1 : (DWORD) V_I4(&Index);
//
// Make sure parameter is valid.
//
if (iIndex > m_coll.size())
{
hr = E_INVALIDARG;
DebugTrace("Error [%#x]: Index %d is out of range.\n", hr, iIndex);
goto ErrorExit;
}
//
// Find object in map.
//
iIndex--;
it = m_coll.begin();
while (it != m_coll.end() && iIndex > 0)
{
it++;
iIndex--;
}
}
//
// This should not happen.
//
if (it == m_coll.end())
{
hr = CAPICOM_E_INTERNAL;
DebugTrace("Unexpected internal error [%#x]: iterator went pass end of map.\n", hr);
goto ErrorExit;
}
//
// Now remove object in map.
//
m_coll.erase(it);
}
catch(...)
{
hr = E_POINTER;
DebugTrace("Exception: invalid parameter.\n");
goto ErrorExit;
}
UnlockExit:
//
// Unlock access to this object.
//
m_Lock.Unlock();
DebugTrace("Leaving COIDs::Remove().\n");
return hr;
ErrorExit:
//
// Sanity check.
//
ATLASSERT(FAILED(hr));
ReportError(hr);
goto UnlockExit;
}
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Function : COIDs::Clear
Synopsis : Remove all OIDs from the collection.
Parameter: None.
Remark :
------------------------------------------------------------------------------*/
STDMETHODIMP COIDs::Clear (void)
{
HRESULT hr = S_OK;
DebugTrace("Entering COIDs::Clear().\n");
try
{
//
// Lock access to this object.
//
m_Lock.Lock();
//
// Clear it.
//
m_coll.clear();
}
catch(...)
{
hr = E_POINTER;
DebugTrace("Exception: invalid parameter.\n");
goto ErrorExit;
}
UnlockExit:
//
// Unlock access to this object.
//
m_Lock.Unlock();
DebugTrace("Leaving COIDs::Clear().\n");
return hr;
ErrorExit:
//
// Sanity check.
//
ATLASSERT(FAILED(hr));
ReportError(hr);
goto UnlockExit;
}
////////////////////////////////////////////////////////////////////////////////
//
// Private methods.
//
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Function : COIDs::Init
Synopsis : Initialize the object.
Parameter: PCERT_ENHKEY_USAGE pUsages - Pointer to CERT_ENHKEY_USAGE used to
initialize the OIDs collection.
BOOL bCertPolicies - TRUE for certificate policies, else
application policies is assumed.
Remark : This method is not part of the COM interface (it is a normal C++
member function). We need it to initialize the object created
internally by us.
Since it is only a normal C++ member function, this function can
only be called from a C++ class pointer, not an interface pointer.
------------------------------------------------------------------------------*/
STDMETHODIMP COIDs::Init (PCERT_ENHKEY_USAGE pUsages, BOOL bCertPolicies)
{
HRESULT hr = S_OK;
CComBSTR bstrOid;
DebugTrace("Entering COIDs::Init().\n");
try
{
//
// pUsages can be NULL.
//
if (pUsages)
{
//
// Make sure we have room to add.
//
if ((m_coll.size() + pUsages->cUsageIdentifier) > m_coll.max_size())
{
hr = CAPICOM_E_OUT_OF_RESOURCE;
DebugTrace("Error [%#x]: Maximum entries (%#x) reached for OIDs collection.\n",
hr, pUsages->cUsageIdentifier);
goto ErrorExit;
}
//
// Add all OIDs to collection.
//
for (DWORD i = 0; i < pUsages->cUsageIdentifier; i++)
{
CComPtr<IOID> pIOID = NULL;
//
// Create the OID object.
//
if (FAILED(hr = ::CreateOIDObject(pUsages->rgpszUsageIdentifier[i], TRUE, &pIOID)))
{
DebugTrace("Error [%#x]: CreateOIDObject() failed.\n", hr);
goto ErrorExit;
}
//
// BSTR index of OID.
//
if (!(bstrOid = pUsages->rgpszUsageIdentifier[i]))
{
hr = E_OUTOFMEMORY;
DebugTrace("Error [%#x]: bstrOid = pUsages->rgpszUsageIdentifier[i] failed.\n", hr);
goto ErrorExit;
}
//
// Now add object to collection map.
//
// Note that the overloaded = operator for CComPtr will
// automatically AddRef to the object. Also, when the CComPtr
// is deleted (happens when the Remove or map destructor is called),
// the CComPtr destructor will automatically Release the object.
//
m_coll[bstrOid] = pIOID;
}
}
else
{
//
// No usage, meaning good for all.
//
CComPtr<IOID> pIOID = NULL;
LPSTR pszOid = bCertPolicies ? szOID_ANY_CERT_POLICY : szOID_ANY_APPLICATION_POLICY;
if (FAILED(hr = ::CreateOIDObject(pszOid, TRUE, &pIOID)))
{
DebugTrace("Error [%#x]: CreateOIDObject() failed.\n", hr);
goto ErrorExit;
}
//
// BSTR index of OID.
//
if (!(bstrOid = pszOid))
{
hr = E_OUTOFMEMORY;
DebugTrace("Error [%#x]: bstrOid = pszOid failed.\n", hr);
goto ErrorExit;
}
//
// Now add object to collection map.
//
// Note that the overloaded = operator for CComPtr will
// automatically AddRef to the object. Also, when the CComPtr
// is deleted (happens when the Remove or map destructor is called),
// the CComPtr destructor will automatically Release the object.
//
m_coll[bstrOid] = pIOID;
}
}
catch(...)
{
hr = E_POINTER;
DebugTrace("Exception: invalid parameter.\n");
goto ErrorExit;
}
CommonExit:
DebugTrace("Leaving COIDs::Init().\n");
return hr;
ErrorExit:
//
// Sanity check.
//
ATLASSERT(FAILED(hr));
goto CommonExit;
}