Leaked source code of windows server 2003
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//****************************************************************************
//
// Module: ULS.DLL
// File: attribs.cpp
// Content: This file contains the attributes object.
// History:
// Wed 17-Apr-1996 11:13:54 -by- Viroon Touranachun [viroont]
//
// Copyright (c) Microsoft Corporation 1995-1996
//
//****************************************************************************
#include "ulsp.h"
#include "attribs.h"
//****************************************************************************
// CAttributes::CAttributes (void)
//
// History:
// Wed 17-Apr-1996 11:14:03 -by- Viroon Touranachun [viroont]
// Created.
// 12/05/96 -by- Chu, Lon-Chan [lonchanc]
// Added access type.
//****************************************************************************
CAttributes::
CAttributes ( VOID )
:m_cRef (0),
m_cAttrs (0),
m_cchNames (0),
m_cchValues (0),
m_AccessType (ILS_ATTRTYPE_NAME_VALUE)
{
}
//****************************************************************************
// CAttributes::~CAttributes (void)
//
// History:
// Wed 17-Apr-1996 11:14:03 -by- Viroon Touranachun [viroont]
// Created.
//****************************************************************************
CAttributes::~CAttributes (void)
{
ASSERT (m_cRef == 0);
LPTSTR pszAttr;
HANDLE hEnum;
// Free all the attributes
//
m_AttrList.Enumerate(&hEnum);
while (m_AttrList.Next(&hEnum, (LPVOID *)&pszAttr) == NOERROR)
{
::MemFree (pszAttr);
}
m_AttrList.Flush();
return;
}
//****************************************************************************
// STDMETHODIMP
// CAttributes::QueryInterface (REFIID riid, void **ppv)
//
// History:
// Wed 17-Apr-1996 11:14:08 -by- Viroon Touranachun [viroont]
// Created.
//****************************************************************************
STDMETHODIMP
CAttributes::QueryInterface (REFIID riid, void **ppv)
{
*ppv = NULL;
if (riid == IID_IIlsAttributes || riid == IID_IUnknown)
{
*ppv = (IIlsAttributes *) this;
};
if (*ppv != NULL)
{
((LPUNKNOWN)*ppv)->AddRef();
return S_OK;
}
else
{
return ILS_E_NO_INTERFACE;
};
}
//****************************************************************************
// STDMETHODIMP_(ULONG)
// CAttributes::AddRef (void)
//
// History:
// Wed 17-Apr-1996 11:14:17 -by- Viroon Touranachun [viroont]
// Created.
//****************************************************************************
STDMETHODIMP_(ULONG)
CAttributes::AddRef (void)
{
DllLock ();
MyDebugMsg ((DM_REFCOUNT, "CAttribute::AddRef: ref=%ld\r\n", m_cRef));
::InterlockedIncrement (&m_cRef);
return (ULONG) m_cRef;
}
//****************************************************************************
// STDMETHODIMP_(ULONG)
// CAttributes::Release (void)
//
// History:
// Wed 17-Apr-1996 11:14:26 -by- Viroon Touranachun [viroont]
// Created.
//****************************************************************************
STDMETHODIMP_(ULONG)
CAttributes::Release (void)
{
DllRelease ();
ASSERT (m_cRef > 0);
MyDebugMsg ((DM_REFCOUNT, "CAttribute::Release: ref=%ld\r\n", m_cRef));
if (::InterlockedDecrement (&m_cRef) == 0)
{
delete this;
return 0;
}
return (ULONG) m_cRef;
}
//****************************************************************************
// STDMETHODIMP
// CAttributes::InternalSetAttribute (LPTSTR szName, LPTSTR szValue)
//
// History:
// Wed 17-Apr-1996 11:14:03 -by- Viroon Touranachun [viroont]
// Created.
//****************************************************************************
HRESULT CAttributes::
InternalSetAttribute ( TCHAR *pszName, TCHAR *pszValue )
{
ULONG cName, cValue;
LPTSTR *ppszAttr;
LPTSTR pszNewAttr;
HANDLE hEnum;
HRESULT hr;
// Allocate the new attribute pair
//
cName = lstrlen(pszName);
cValue = (pszValue != NULL) ? lstrlen (pszValue) : 0;
pszNewAttr = (TCHAR *) ::MemAlloc (((cName+1) + (cValue+1)) * sizeof (TCHAR));
if (pszNewAttr == NULL)
{
return ILS_E_MEMORY;
};
// Make the new attribute pair
//
lstrcpy(pszNewAttr, pszName);
lstrcpy(pszNewAttr + cName + 1, (pszValue != NULL) ? pszValue : TEXT (""));
// Look for the attribute in the list
//
hr = NOERROR;
m_AttrList.Enumerate(&hEnum);
while(m_AttrList.NextStorage(&hEnum, (PVOID *)&ppszAttr) == NOERROR)
{
// Match the attribute's name
//
if (!lstrcmpi(*ppszAttr, pszName))
{
// Found the specified attribute
//
break;
};
};
if (ppszAttr != NULL)
{
// Replace the old pair
//
m_cchValues += (cValue + 1) -
(lstrlen(((LPTSTR)*ppszAttr)+cName+1)+1);
::MemFree (*ppszAttr);
*ppszAttr = pszNewAttr;
}
else
{
// Insert the new attribute pair
//
hr = m_AttrList.Insert(pszNewAttr);
if (SUCCEEDED(hr))
{
// Update the name buffer count
//
m_cchNames += cName+1;
m_cchValues += cValue+1;
m_cAttrs++;
}
else
{
::MemFree (pszNewAttr);
};
};
return hr;
}
//****************************************************************************
// HRESULT
// CAttributes::InternalSetAttributeName ( TCHAR *pszName )
//
// History:
// 12/06/96 -by- Chu, Lon-Chan [lonchanc]
// Created.
//****************************************************************************
HRESULT CAttributes::
InternalSetAttributeName ( TCHAR *pszName )
{
// We do not check for duplicate
//
HRESULT hr = m_AttrList.Insert (pszName);
if (hr == S_OK)
{
// Update the name buffer count
//
m_cchNames += lstrlen (pszName) + 1;
m_cAttrs++;
}
return hr;
}
//****************************************************************************
// STDMETHODIMP
// CAttributes::InternalRemoveAttribute (LPTSTR szName)
//
// History:
// Wed 17-Apr-1996 11:14:03 -by- Viroon Touranachun [viroont]
// Created.
//****************************************************************************
HRESULT CAttributes::
InternalCheckAttribute ( TCHAR *pszName, BOOL fRemove )
{
LPTSTR pszAttr;
HANDLE hEnum;
HRESULT hr;
// Look for the attribute in the list
//
m_AttrList.Enumerate(&hEnum);
while(m_AttrList.Next(&hEnum, (PVOID *)&pszAttr) == NOERROR)
{
// Match the attribute's name
//
if (! lstrcmpi(pszAttr, pszName))
{
// Found the specified attribute
//
break;
};
};
// If found, we are asked to remove it, do so
//
if (pszAttr != NULL)
{
if (fRemove) {
hr = m_AttrList.Remove(pszAttr);
if (SUCCEEDED(hr))
{
ULONG cName;
// Update the name buffer count
//
cName = lstrlen(pszName);
m_cchNames -= cName+1;
m_cchValues -= lstrlen(pszAttr+cName+1)+1;
m_cAttrs--;
::MemFree (pszAttr);
};
}
else {
hr = S_OK;
}
}
else
{
hr = S_FALSE;
};
return hr;
}
//****************************************************************************
// STDMETHODIMP
// CAttributes::SetAttribute (BSTR bstrName, BSTR bstrValue)
//
// History:
// Wed 17-Apr-1996 11:14:03 -by- Viroon Touranachun [viroont]
// Created.
// 12/06/96 -by- Chu, Lon-Chan [lonchanc]
// Added access type.
//****************************************************************************
STDMETHODIMP CAttributes::
SetAttribute ( BSTR bstrName, BSTR bstrValue )
{
LPTSTR szName;
HRESULT hr;
// Validate access type
//
if (m_AccessType != ILS_ATTRTYPE_NAME_VALUE)
return ILS_E_ACCESS_CONTROL;
// Validate parameters
//
if (bstrName == NULL)
return ILS_E_POINTER;
if (*bstrName == '\0')
return ILS_E_PARAMETER;
// Convert the name format
//
hr = BSTR_to_LPTSTR(&szName, bstrName);
if (SUCCEEDED(hr))
{
// If bstrValue is NULL, remove the attribute
//
if (bstrValue == NULL)
{
hr = InternalCheckAttribute(szName, TRUE);
}
else
{
LPTSTR szValue = NULL;
if (bstrValue != NULL && *bstrValue != L'\0')
hr = BSTR_to_LPTSTR(&szValue, bstrValue);
if (SUCCEEDED(hr))
{
hr = InternalSetAttribute(szName, szValue);
::MemFree (szValue);
};
};
// Free resources
//
::MemFree (szName);
};
return hr;
}
//****************************************************************************
// STDMETHODIMP
// CAttributes::GetAttribute (BSTR bstrName, BSTR *pbstrValue)
//
// History:
// Wed 17-Apr-1996 11:14:03 -by- Viroon Touranachun [viroont]
// Created.
// 12/06/96 -by- Chu, Lon-Chan [lonchanc]
// Added access type.
//****************************************************************************
STDMETHODIMP CAttributes::
GetAttribute ( BSTR bstrName, BSTR *pbstrValue )
{
LPTSTR szName;
HRESULT hr;
// Validate access type
//
if (m_AccessType != ILS_ATTRTYPE_NAME_VALUE)
return ILS_E_ACCESS_CONTROL;
// Validate parameters
//
if (pbstrValue == NULL)
return ILS_E_POINTER;
// Assume failure
//
*pbstrValue = NULL;
// Validate more parameters
//
if (bstrName == NULL)
return ILS_E_POINTER;
if (*bstrName == '\0')
return ILS_E_PARAMETER;
// Convert the name format
//
hr = BSTR_to_LPTSTR(&szName, bstrName);
if (SUCCEEDED(hr))
{
HANDLE hEnum;
LPTSTR pszAttr;
// Look for the attribute in the list
//
m_AttrList.Enumerate(&hEnum);
while(m_AttrList.Next(&hEnum, (PVOID *)&pszAttr) == NOERROR)
{
// Match the attribute's name
//
if (!lstrcmpi(pszAttr, szName))
{
// Found the specified attribute
//
break;
};
};
// If found, return the value
//
if (pszAttr != NULL)
{
hr = LPTSTR_to_BSTR(pbstrValue, pszAttr+lstrlen(pszAttr)+1);
}
else
{
hr = ILS_E_FAIL;
};
};
// Free resources
//
::MemFree (szName);
return hr;
}
//****************************************************************************
// STDMETHODIMP
// CAttributes::EnumAttributes (IEnumIlsNames *pEnumAttribute)
//
// History:
// Wed 17-Apr-1996 11:14:03 -by- Viroon Touranachun [viroont]
// Created.
// 12/06/96 -by- Chu, Lon-Chan [lonchanc]
// Added access type.
//****************************************************************************
STDMETHODIMP CAttributes::
EnumAttributes ( IEnumIlsNames **ppEnumAttribute )
{
CEnumNames *pea;
ULONG cAttrs, cbAttrs;
LPTSTR pszAttrs;
HRESULT hr;
// Validate access type
//
if (m_AccessType != ILS_ATTRTYPE_NAME_VALUE)
return ILS_E_ACCESS_CONTROL;
// Validate parameters
//
if (ppEnumAttribute == NULL)
return ILS_E_POINTER;
// Assume failure
//
*ppEnumAttribute = NULL;
hr = GetAttributeList(&pszAttrs, &cAttrs, &cbAttrs);
if (FAILED(hr))
{
return hr;
};
// Create a peer enumerator
//
pea = new CEnumNames;
if (pea != NULL)
{
hr = pea->Init(pszAttrs, cAttrs);
if (SUCCEEDED(hr))
{
// Get the enumerator interface
//
pea->AddRef();
*ppEnumAttribute = pea;
}
else
{
delete pea;
};
}
else
{
hr = ILS_E_MEMORY;
};
if (pszAttrs != NULL)
{
::MemFree (pszAttrs);
};
return hr;
}
//****************************************************************************
// STDMETHODIMP
// CAttributes::SetAttributeName (BSTR bstrName)
//
// History:
// 12/05/96 -by- Chu, Lon-Chan [lonchanc]
// Created.
//****************************************************************************
STDMETHODIMP CAttributes::
SetAttributeName ( BSTR bstrName )
{
TCHAR *pszName;
HRESULT hr;
// Validate access type
//
if (m_AccessType != ILS_ATTRTYPE_NAME_ONLY)
return ILS_E_ACCESS_CONTROL;
// Validate parameters
//
if (bstrName == NULL)
return ILS_E_POINTER;
if (*bstrName == '\0')
return ILS_E_PARAMETER;
// Convert the name format
//
if (BSTR_to_LPTSTR (&pszName, bstrName) != S_OK)
return ILS_E_MEMORY;
// Set the attribute name
//
return InternalSetAttributeName (pszName);
}
//****************************************************************************
// STDMETHODIMP
// CAttributes::GetAttributeList (LPTSTR *ppszList, ULONG *pcList, ULONG *pcb)
// Get attribute names only.
//
// History:
// Wed 17-Apr-1996 11:14:03 -by- Viroon Touranachun [viroont]
// Created.
//****************************************************************************
HRESULT CAttributes::
GetAttributeList ( TCHAR **ppszList, ULONG *pcList, ULONG *pcb )
{
LPTSTR szAttrs, pszNext, pszAttr;
HANDLE hEnum;
#ifdef DEBUG
ULONG cAttrsDbg = 0;
#endif // DEBUG
// Assume no list or failure
//
*ppszList = NULL;
*pcList = 0;
*pcb = 0;
// If no list, return nothing
//
if (m_cAttrs == 0)
{
return NOERROR;
};
// Allocate the buffer for the attribute list
//
szAttrs = (TCHAR *) ::MemAlloc ((m_cchNames+1) * sizeof (TCHAR));
if (szAttrs == NULL)
{
return ILS_E_MEMORY;
};
// Enumerate the list
//
pszNext = szAttrs;
m_AttrList.Enumerate(&hEnum);
while(m_AttrList.Next(&hEnum, (PVOID *)&pszAttr) == NOERROR)
{
// Attribute name
//
lstrcpy(pszNext, pszAttr);
pszNext += lstrlen(pszNext)+1;
#ifdef DEBUG
cAttrsDbg++;
#endif // DEBUG
};
*pszNext = '\0';
ASSERT(cAttrsDbg == m_cAttrs);
// return the attribute list
//
*pcList = m_cAttrs;
*ppszList = szAttrs;
*pcb = (m_cchNames+1)*sizeof(TCHAR);
return NOERROR;
}
//****************************************************************************
// STDMETHODIMP
// CAttributes::GetAttributePairs (LPTSTR *ppszList, ULONG *pcList, ULONG *pcb)
// Get pairs of attribute names and values.
//
// History:
// Wed 17-Apr-1996 11:14:03 -by- Viroon Touranachun [viroont]
// Created.
//****************************************************************************
HRESULT CAttributes::
GetAttributePairs ( TCHAR **ppszPairs, ULONG *pcList, ULONG *pcb )
{
LPTSTR szAttrs, pszNext, pszAttr;
ULONG cLen;
HANDLE hEnum;
#ifdef DEBUG
ULONG cAttrsDbg = 0;
#endif // DEBUG
// Validate access type
//
if (m_AccessType != ILS_ATTRTYPE_NAME_VALUE)
return ILS_E_ACCESS_CONTROL;
// Assume no list or failure
//
*ppszPairs = NULL;
*pcList = 0;
*pcb = 0;
// If no list, return nothing
//
if (m_cAttrs == 0)
{
return NOERROR;
};
// Allocate the buffer for the attribute list
//
szAttrs = (TCHAR *) ::MemAlloc ((m_cchNames+m_cchValues+1) * sizeof (TCHAR));
if (szAttrs == NULL)
{
return ILS_E_MEMORY;
};
// Enumerate the list
//
pszNext = szAttrs;
m_AttrList.Enumerate(&hEnum);
while(m_AttrList.Next(&hEnum, (PVOID *)&pszAttr) == NOERROR)
{
// Attribute name
//
lstrcpy(pszNext, pszAttr);
cLen = lstrlen(pszNext)+1;
pszNext += cLen;
// Attribute value
//
lstrcpy(pszNext, pszAttr+cLen);
pszNext += lstrlen(pszNext)+1;
#ifdef DEBUG
cAttrsDbg++;
#endif // DEBUG
};
*pszNext = '\0';
ASSERT(cAttrsDbg == m_cAttrs);
// return the attribute list
//
*pcList = m_cAttrs;
*ppszPairs = szAttrs;
*pcb = (m_cchNames+m_cchValues+1)*sizeof(TCHAR);
return NOERROR;
}
//****************************************************************************
// STDMETHODIMP
// CAttributes::SetAttributePairs (LPTSTR pszList, ULONG cPair)
//
// History:
// Wed 17-Apr-1996 11:14:03 -by- Viroon Touranachun [viroont]
// Created.
//****************************************************************************
HRESULT CAttributes::
SetAttributePairs ( TCHAR *pszList, ULONG cPair )
{
LPTSTR pszName, pszValue;
ULONG cLen, i;
HRESULT hr;
// Validate access type
//
if (m_AccessType != ILS_ATTRTYPE_NAME_VALUE)
return ILS_E_ACCESS_CONTROL;
// Do nothing if nothing to set
//
if ((cPair == 0) ||
(pszList == NULL))
{
return NOERROR;
};
pszName = pszList;
for (i = 0; i < cPair; i++)
{
pszValue = pszName + lstrlen(pszName) + 1;
InternalSetAttribute(pszName, pszValue);
pszName = pszValue + lstrlen(pszValue) + 1;
};
return NOERROR;
}
//****************************************************************************
// STDMETHODIMP
// CAttributes::SetAttributes (CAttributes *pAttributes)
//
// History:
// Wed 17-Apr-1996 11:14:03 -by- Viroon Touranachun [viroont]
// Created.
//****************************************************************************
HRESULT CAttributes::
SetAttributes ( CAttributes *pAttrsEx )
{
LPTSTR pszNextAttr;
HANDLE hEnum;
HRESULT hr;
// Validate access type
//
if (m_AccessType != ILS_ATTRTYPE_NAME_VALUE)
return ILS_E_ACCESS_CONTROL;
// Enumerate the external attribute list
//
pAttrsEx->m_AttrList.Enumerate(&hEnum);
while(pAttrsEx->m_AttrList.Next(&hEnum, (PVOID *)&pszNextAttr) == NOERROR)
{
hr = InternalSetAttribute(pszNextAttr,
pszNextAttr+lstrlen(pszNextAttr)+1);
ASSERT(SUCCEEDED(hr));
};
return NOERROR;
}
//****************************************************************************
// STDMETHODIMP
// CAttributes::RemoveAttributes (CAttributes *pAttributes)
//
// History:
// Wed 17-Apr-1996 11:14:03 -by- Viroon Touranachun [viroont]
// Created.
//****************************************************************************
HRESULT CAttributes::
RemoveAttributes ( CAttributes *pAttrsEx )
{
LPTSTR pszNextAttr;
HANDLE hEnum;
// Enumerate the external attribute list
//
pAttrsEx->m_AttrList.Enumerate(&hEnum);
while(pAttrsEx->m_AttrList.Next(&hEnum, (PVOID *)&pszNextAttr) == NOERROR)
{
InternalCheckAttribute(pszNextAttr, TRUE);
};
return NOERROR;
}
#ifdef MAYBE
HRESULT CAttributes::
SetOpsAttributes ( CAttributes *pAttrsEx, CAttributes **ppOverlap, CAttributes **ppIntersect )
{
LPTSTR pszNextAttr;
HANDLE hEnum;
BOOL fFullOverlap=FALSE, fNoOverlap = TRUE;
// Enumerate the external attribute list
//
pAttrsEx->m_AttrList.Enumerate(&hEnum);
while(pAttrsEx->m_AttrList.Next(&hEnum, (PVOID *)&pszNextAttr) == NOERROR)
{
if (InternalCheckAttribute(pszNextAttr, FALSE)!=S_OK) {
// didn't find this attribute
if (ppOverlap) {
if (!*ppOverlap) {
*ppOverlap = new CAttributes;
if (!*ppOverlap) {
goto bailout;
}
(*ppOverlap)->SetAccessType (ILS_ATTRTYPE_NAME_VALUE);
}
}
}
else {
}
};
bailout:
return NOERROR;
}
#endif //MAYBE
#ifdef DEBUG
//****************************************************************************
// void
// CAttributes::DebugOut (void)
//
// History:
// Wed 17-Apr-1996 11:14:03 -by- Viroon Touranachun [viroont]
// Created.
//****************************************************************************
void
CAttributes::DebugOut (void)
{
LPTSTR pszNextAttr;
HANDLE hEnum;
// The attribute pair count
//
DPRINTF1(TEXT("Number of attributes: %d\r\n"), m_cAttrs);
// Each attribute pair
//
m_AttrList.Enumerate(&hEnum);
while(m_AttrList.Next(&hEnum, (PVOID *)&pszNextAttr) == NOERROR)
{
DPRINTF2(TEXT("\t<%s> = <%s>"), pszNextAttr,
pszNextAttr+lstrlen(pszNextAttr)+1);
};
return;
}
#endif // DEBUG
//****************************************************************************
// STDMETHODIMP
// CAttributes::Clone(IIlsAttibutes **ppAttributes)
//
// Synopsis:
//
// Arguments:
//
// Returns:
//
// History: 1/22/1997 Shishir Pardikar [shishirp] Created.
//
// Notes: this clones only attrib list which has both name and value
//
//****************************************************************************
HRESULT
CAttributes::CloneNameValueAttrib(CAttributes **ppAttributes)
{
CAttributes *pAttributes = NULL;
HRESULT hr;
if (ppAttributes == NULL) {
return (ILS_E_PARAMETER);
}
*ppAttributes = NULL;
pAttributes = new CAttributes;
if (!pAttributes) {
return (ILS_E_MEMORY);
}
pAttributes->SetAccessType (m_AccessType);
hr = pAttributes->SetAttributes(this);
if (!SUCCEEDED(hr)) {
delete pAttributes;
return hr;
}
*ppAttributes = pAttributes;
return NOERROR;
}