638 lines
12 KiB
C++
638 lines
12 KiB
C++
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//+--------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1996 - 1999
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//
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// File: row.cpp
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//
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// Contents: Cert Server Database interface implementation
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//
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//---------------------------------------------------------------------------
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#include <pch.cpp>
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#pragma hdrstop
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#include <certdb.h>
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#include "csdisp.h"
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#include "column.h"
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#include "attrib.h"
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#include "ext.h"
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#include "row.h"
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#include "view.h"
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#if DBG_CERTSRV
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LONG g_cCertViewRow;
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LONG g_cCertViewRowTotal;
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#endif
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#define CB_TARGETBUFFERSIZE (128 * 1024) // remote buffer size target
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#define CROW_VIEWCHUNKMIN 35
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CEnumCERTVIEWROW::CEnumCERTVIEWROW()
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{
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DBGCODE(InterlockedIncrement(&g_cCertViewRow));
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DBGCODE(InterlockedIncrement(&g_cCertViewRowTotal));
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m_pvw = NULL;
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m_arowCache = NULL;
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m_prowCacheCurrent = NULL;
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m_cRef = 1;
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m_ieltMax = -1;
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}
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CEnumCERTVIEWROW::~CEnumCERTVIEWROW()
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{
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DBGCODE(InterlockedDecrement(&g_cCertViewRow));
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#if DBG_CERTSRV
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if (m_cRef > 1)
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{
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DBGPRINT((
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DBG_SS_CERTVIEWI,
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"%hs has %d instances left over\n",
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"CEnumCERTVIEWROW",
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m_cRef));
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}
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#endif
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if (NULL != m_arowCache)
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{
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CoTaskMemFree((VOID *) m_arowCache);
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m_arowCache = NULL;
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}
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if (NULL != m_pvw)
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{
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m_pvw->Release();
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}
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}
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HRESULT
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CEnumCERTVIEWROW::Open(
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IN ICertView *pvw)
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{
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HRESULT hr;
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if (NULL == pvw)
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{
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hr = E_POINTER;
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_JumpError(hr, error, "NULL parm");
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}
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hr = ((CCertView *) pvw)->GetTable(&m_cvrcTable);
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_JumpIfError(hr, error, "GetTable");
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DBGPRINT((
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DBG_SS_CERTVIEWI,
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"CEnumCERTVIEWROW::Open(cvrcTable=%x)\n",
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m_cvrcTable));
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m_pvw = pvw;
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m_pvw->AddRef();
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m_fNoMoreData = FALSE;
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m_cskip = 0;
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m_ielt = 0;
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m_ieltCacheNext = 1;
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m_crowChunk = 0;
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hr = S_OK;
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error:
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return(hr);
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}
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HRESULT
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CEnumCERTVIEWROW::_FindCachedRow(
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IN LONG ielt,
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OUT CERTTRANSDBRESULTROW const **ppRow)
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{
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HRESULT hr;
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CERTTRANSDBRESULTROW const *prow;
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ULONG i;
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CSASSERT(NULL != ppRow);
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*ppRow = NULL;
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// If the server threw in an extra CERTTRANSDBRESULTROW structure containing
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// the maximum element count, save the maximum count for later use.
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prow = m_arowCache;
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if (NULL != prow && m_fNoMoreData)
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{
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for (i = 0; i < m_celtCache; i++)
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{
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prow = (CERTTRANSDBRESULTROW const *) Add2ConstPtr(prow, prow->cbrow);
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}
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if (&prow[1] <=
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(CERTTRANSDBRESULTROW const *) Add2ConstPtr(m_arowCache, m_cbCache) &&
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prow->rowid == ~prow->ccol)
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{
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DBGPRINT((
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DBG_SS_CERTVIEWI,
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"_FindCachedRow: ieltMax = %d -> %d\n",
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m_ieltMax,
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prow->rowid));
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CSASSERT(-1 == m_ieltMax || (LONG) prow->rowid == m_ieltMax);
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m_ieltMax = prow->rowid;
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}
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}
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prow = m_arowCache;
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if (NULL == prow || ielt < m_ieltCacheFirst || ielt >= m_ieltCacheNext)
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{
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hr = S_FALSE; // requested row is not in the cached rowset
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goto error;
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}
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for (ielt -= m_ieltCacheFirst; 0 < ielt; ielt--)
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{
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prow = (CERTTRANSDBRESULTROW const *) Add2ConstPtr(prow, prow->cbrow);
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}
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*ppRow = prow;
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hr = S_OK;
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error:
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return(hr);
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}
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STDMETHODIMP
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CEnumCERTVIEWROW::GetMaxIndex(
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/* [out, retval] */ LONG *pIndex)
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{
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HRESULT hr;
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if (NULL == pIndex)
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{
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hr = E_POINTER;
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_JumpError(hr, error, "NULL parm");
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}
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if (-1 == m_ieltMax)
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{
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hr = E_UNEXPECTED;
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_JumpError(hr, error, "m_ieltMax not set");
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}
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*pIndex = m_ieltMax;
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hr = S_OK;
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error:
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return(_SetErrorInfo(hr, L"CEnumCERTVIEWROW::GetMaxIndex"));
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}
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STDMETHODIMP
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CEnumCERTVIEWROW::Next(
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/* [out, retval] */ LONG *pIndex)
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{
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HRESULT hr;
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LONG ielt;
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LONG ieltNext;
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LONG ieltFirst;
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LONG cbrowResultNominal;
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DBGPRINT((
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DBG_SS_CERTVIEWI,
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"Trace: hr = pRow->Next(&lNext);\t_PrintIfError(hr, \"Next\");\n"));
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if (NULL == pIndex)
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{
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hr = E_POINTER;
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_JumpError(hr, error, "NULL parm");
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}
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*pIndex = -1;
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m_prowCacheCurrent = NULL;
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ielt = m_ielt + m_cskip + 1;
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hr = _FindCachedRow(ielt, &m_prowCacheCurrent);
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if (S_FALSE != hr)
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{
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_JumpIfError(hr, error, "_FindCachedRow");
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}
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else
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{
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if (m_fNoMoreData)
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{
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hr = S_FALSE;
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_JumpError2(hr, error, "NoMoreData", S_FALSE);
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}
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if (NULL != m_arowCache)
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{
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CoTaskMemFree((VOID *) m_arowCache);
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m_arowCache = NULL;
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}
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if (0 == m_crowChunk) // First call
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{
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hr = ((CCertView *) m_pvw)->SetViewColumns(&cbrowResultNominal);
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_JumpIfError(hr, error, "SetViewColumns");
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m_crowChunk = CB_TARGETBUFFERSIZE / cbrowResultNominal;
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DBGPRINT((
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DBG_SS_CERTVIEWI,
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"ViewRow::Next: cbrowNominal=%d crowChunk=%d\n",
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cbrowResultNominal,
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m_crowChunk));
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if (CROW_VIEWCHUNKMIN > m_crowChunk)
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{
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m_crowChunk = CROW_VIEWCHUNKMIN;
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}
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}
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hr = ((CCertView *) m_pvw)->EnumView(
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ielt - m_ieltCacheNext,
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m_crowChunk,
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&m_celtCache,
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&m_ieltCacheNext,
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&m_cbCache,
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&m_arowCache);
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if (S_FALSE == hr)
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{
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m_fNoMoreData = TRUE;
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}
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else
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{
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_JumpIfError(hr, error, "EnumView");
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}
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m_ieltCacheFirst = m_ieltCacheNext - m_celtCache;
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// workaround for bug 339811 causes this to fail
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//CSASSERT(ielt == m_ieltCacheFirst);
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hr = _FindCachedRow(ielt, &m_prowCacheCurrent);
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_JumpIfError2(hr, error, "_FindCachedRow", S_FALSE);
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}
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m_cskip = 0;
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m_ielt = ielt;
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*pIndex = m_ielt;
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DBGPRINT((
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DBG_SS_CERTVIEWI,
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"ViewRow::Next: cskip=%d, ccache=%u:%u-%u, ielt=%u, ieltMax=%d, RowId=%u\n",
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m_cskip,
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m_celtCache,
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m_ieltCacheFirst,
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m_ieltCacheNext,
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m_ielt,
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m_ieltMax,
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m_prowCacheCurrent->rowid));
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error:
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if (S_OK != hr)
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{
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DBGPRINT((
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DBG_SS_CERTVIEWI,
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"ViewRow::Next: cskip=%d, ccache=%u:%u-%u, ielt=%u, ieltMax=%d, *pIndex=%d, hr=%x\n",
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m_cskip,
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m_celtCache,
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m_ieltCacheFirst,
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m_ieltCacheNext,
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m_ielt,
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m_ieltMax,
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NULL != pIndex? *pIndex : -1,
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hr));
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}
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return(_SetErrorInfo(hr, L"CEnumCERTVIEWROW::Next"));
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}
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STDMETHODIMP
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CEnumCERTVIEWROW::EnumCertViewColumn(
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/* [out] */ IEnumCERTVIEWCOLUMN **ppenum)
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{
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HRESULT hr;
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IEnumCERTVIEWCOLUMN *penum = NULL;
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if (NULL == ppenum)
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{
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hr = E_POINTER;
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_JumpError(hr, error, "NULL parm");
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}
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*ppenum = NULL;
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if (NULL == m_prowCacheCurrent)
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{
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hr = E_UNEXPECTED;
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_JumpError(hr, error, "NULL m_prowCacheCurrent");
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}
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penum = new CEnumCERTVIEWCOLUMN;
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if (NULL == penum)
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{
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hr = E_OUTOFMEMORY;
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_JumpError(hr, error, "new CEnumCERTVIEWCOLUMN");
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}
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hr = ((CEnumCERTVIEWCOLUMN *) penum)->Open(
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CVRC_COLUMN_VALUE,
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m_ielt,
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m_pvw,
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m_prowCacheCurrent);
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_JumpIfError(hr, error, "Open");
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*ppenum = penum;
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penum = NULL;
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hr = S_OK;
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error:
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if (NULL != penum)
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{
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penum->Release();
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}
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return(_SetErrorInfo(hr, L"CEnumCERTVIEWROW::EnumCertViewColumn"));
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}
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STDMETHODIMP
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CEnumCERTVIEWROW::EnumCertViewAttribute(
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/* [in] */ LONG Flags,
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/* [out, retval] */ IEnumCERTVIEWATTRIBUTE **ppenum)
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{
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HRESULT hr;
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IEnumCERTVIEWATTRIBUTE *penum = NULL;
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if (NULL == ppenum)
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{
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hr = E_POINTER;
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_JumpError(hr, error, "NULL parm");
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}
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*ppenum = NULL;
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if (NULL == m_prowCacheCurrent)
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{
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hr = E_UNEXPECTED;
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_JumpError(hr, error, "NULL m_prowCacheCurrent");
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}
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if (CVRC_TABLE_REQCERT != m_cvrcTable)
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{
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hr = CERTSRV_E_PROPERTY_EMPTY;
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_JumpError(hr, error, "table has no attributes");
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}
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penum = new CEnumCERTVIEWATTRIBUTE;
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if (NULL == penum)
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{
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hr = E_OUTOFMEMORY;
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_JumpError(hr, error, "new CEnumCERTVIEWATTRIBUTE");
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}
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hr = ((CEnumCERTVIEWATTRIBUTE *) penum)->Open(
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m_prowCacheCurrent->rowid,
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Flags,
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m_pvw);
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_JumpIfError(hr, error, "Open");
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*ppenum = penum;
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penum = NULL;
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hr = S_OK;
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error:
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if (NULL != penum)
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{
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penum->Release();
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}
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return(_SetErrorInfo(hr, L"CEnumCERTVIEWROW::EnumCertViewAttribute"));
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}
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STDMETHODIMP
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CEnumCERTVIEWROW::EnumCertViewExtension(
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||
|
|
/* [in] */ LONG Flags,
|
||
|
|
/* [out, retval] */ IEnumCERTVIEWEXTENSION **ppenum)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
IEnumCERTVIEWEXTENSION *penum = NULL;
|
||
|
|
|
||
|
|
if (NULL == ppenum)
|
||
|
|
{
|
||
|
|
hr = E_POINTER;
|
||
|
|
_JumpError(hr, error, "NULL parm");
|
||
|
|
}
|
||
|
|
*ppenum = NULL;
|
||
|
|
|
||
|
|
if (NULL == m_prowCacheCurrent)
|
||
|
|
{
|
||
|
|
hr = E_UNEXPECTED;
|
||
|
|
_JumpError(hr, error, "NULL m_prowCacheCurrent");
|
||
|
|
}
|
||
|
|
if (CVRC_TABLE_REQCERT != m_cvrcTable)
|
||
|
|
{
|
||
|
|
hr = CERTSRV_E_PROPERTY_EMPTY;
|
||
|
|
_JumpError(hr, error, "table has no extensions");
|
||
|
|
}
|
||
|
|
|
||
|
|
penum = new CEnumCERTVIEWEXTENSION;
|
||
|
|
if (NULL == penum)
|
||
|
|
{
|
||
|
|
hr = E_OUTOFMEMORY;
|
||
|
|
_JumpError(hr, error, "new CEnumCERTVIEWEXTENSION");
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = ((CEnumCERTVIEWEXTENSION *) penum)->Open(
|
||
|
|
m_prowCacheCurrent->rowid,
|
||
|
|
Flags,
|
||
|
|
m_pvw);
|
||
|
|
_JumpIfError(hr, error, "Open");
|
||
|
|
|
||
|
|
*ppenum = penum;
|
||
|
|
penum = NULL;
|
||
|
|
hr = S_OK;
|
||
|
|
|
||
|
|
error:
|
||
|
|
if (NULL != penum)
|
||
|
|
{
|
||
|
|
penum->Release();
|
||
|
|
}
|
||
|
|
return(_SetErrorInfo(hr, L"CEnumCERTVIEWROW::EnumCertViewExtension"));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CEnumCERTVIEWROW::Skip(
|
||
|
|
/* [in] */ LONG celt)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
LONG cskipnew;
|
||
|
|
|
||
|
|
cskipnew = m_cskip + celt;
|
||
|
|
|
||
|
|
DBGPRINT((
|
||
|
|
DBG_SS_CERTVIEWI,
|
||
|
|
"Trace: hr = pRow->Skip(%d);\t_PrintIfError(hr, \"Skip(%d)\");\n",
|
||
|
|
celt,
|
||
|
|
celt));
|
||
|
|
DBGPRINT((
|
||
|
|
DBG_SS_CERTVIEWI,
|
||
|
|
"ViewRow::Skip(%d) ielt=%d: %d --> %d, skip=%d --> %d\n",
|
||
|
|
celt,
|
||
|
|
m_ielt,
|
||
|
|
m_ielt + m_cskip,
|
||
|
|
m_ielt + cskipnew,
|
||
|
|
m_cskip,
|
||
|
|
cskipnew));
|
||
|
|
|
||
|
|
CSASSERT(0 <= m_ielt);
|
||
|
|
if (0 > celt)
|
||
|
|
{
|
||
|
|
if (-1 > m_ielt + cskipnew)
|
||
|
|
{
|
||
|
|
hr = E_INVALIDARG;
|
||
|
|
_JumpError(hr, error, "Skip back to before start");
|
||
|
|
}
|
||
|
|
m_fNoMoreData = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
m_prowCacheCurrent = NULL;
|
||
|
|
m_cskip = cskipnew;
|
||
|
|
hr = S_OK;
|
||
|
|
|
||
|
|
error:
|
||
|
|
return(_SetErrorInfo(hr, L"CEnumCERTVIEWROW::Skip"));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CEnumCERTVIEWROW::Reset(VOID)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
// Trailing // and no newline comment out Skip() call we trigger:
|
||
|
|
|
||
|
|
DBGPRINT((
|
||
|
|
DBG_SS_CERTVIEWI,
|
||
|
|
"Trace: hr = pRow->Reset();\t_PrintIfError(hr, \"Reset\");\n// "));
|
||
|
|
|
||
|
|
hr = Skip(-(m_ielt + m_cskip));
|
||
|
|
_JumpIfError(hr, error, "Skip");
|
||
|
|
|
||
|
|
error:
|
||
|
|
return(_SetErrorInfo(hr, L"CEnumCERTVIEWROW::Reset"));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CEnumCERTVIEWROW::Clone(
|
||
|
|
/* [out] */ IEnumCERTVIEWROW **ppenum)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
IEnumCERTVIEWROW *penum = NULL;
|
||
|
|
LONG ielt;
|
||
|
|
|
||
|
|
if (NULL == ppenum)
|
||
|
|
{
|
||
|
|
hr = E_POINTER;
|
||
|
|
_JumpError(hr, error, "NULL parm");
|
||
|
|
}
|
||
|
|
hr = m_pvw->OpenView(&penum);
|
||
|
|
_JumpIfError(hr, error, "OpenView");
|
||
|
|
|
||
|
|
ielt = m_ielt + m_cskip;
|
||
|
|
if (-1 != ielt)
|
||
|
|
{
|
||
|
|
if (NULL == m_prowCacheCurrent)
|
||
|
|
{
|
||
|
|
hr = penum->Skip(ielt);
|
||
|
|
_JumpIfError(hr, error, "Skip");
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
LONG Index;
|
||
|
|
|
||
|
|
hr = penum->Skip(ielt - 1);
|
||
|
|
_JumpIfError(hr, error, "Skip");
|
||
|
|
|
||
|
|
hr = penum->Next(&Index);
|
||
|
|
_JumpIfError(hr, error, "Next");
|
||
|
|
|
||
|
|
CSASSERT(Index == ielt);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
error:
|
||
|
|
if (NULL != ppenum)
|
||
|
|
{
|
||
|
|
*ppenum = penum;
|
||
|
|
}
|
||
|
|
return(_SetErrorInfo(hr, L"CEnumCERTVIEWROW::Clone"));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
CEnumCERTVIEWROW::_SetErrorInfo(
|
||
|
|
IN HRESULT hrError,
|
||
|
|
IN WCHAR const *pwszDescription)
|
||
|
|
{
|
||
|
|
CSASSERT(FAILED(hrError) || S_OK == hrError || S_FALSE == hrError);
|
||
|
|
if (FAILED(hrError))
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
hr = DispatchSetErrorInfo(
|
||
|
|
hrError,
|
||
|
|
pwszDescription,
|
||
|
|
wszCLASS_CERTVIEW L".CEnumCERTVIEWROW",
|
||
|
|
&IID_IEnumCERTVIEWROW);
|
||
|
|
CSASSERT(hr == hrError);
|
||
|
|
}
|
||
|
|
return(hrError);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// IUnknown implementation
|
||
|
|
STDMETHODIMP
|
||
|
|
CEnumCERTVIEWROW::QueryInterface(
|
||
|
|
const IID& iid,
|
||
|
|
void **ppv)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
if (NULL == ppv)
|
||
|
|
{
|
||
|
|
hr = E_POINTER;
|
||
|
|
_JumpError(hr, error, "NULL parm");
|
||
|
|
}
|
||
|
|
if (iid == IID_IUnknown)
|
||
|
|
{
|
||
|
|
*ppv = static_cast<IEnumCERTVIEWROW *>(this);
|
||
|
|
}
|
||
|
|
else if (iid == IID_IDispatch)
|
||
|
|
{
|
||
|
|
*ppv = static_cast<IEnumCERTVIEWROW *>(this);
|
||
|
|
}
|
||
|
|
else if (iid == IID_IEnumCERTVIEWROW)
|
||
|
|
{
|
||
|
|
*ppv = static_cast<IEnumCERTVIEWROW *>(this);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*ppv = NULL;
|
||
|
|
hr = E_NOINTERFACE;
|
||
|
|
_JumpError(hr, error, "IID");
|
||
|
|
}
|
||
|
|
reinterpret_cast<IUnknown *>(*ppv)->AddRef();
|
||
|
|
hr = S_OK;
|
||
|
|
|
||
|
|
error:
|
||
|
|
return(hr);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
ULONG STDMETHODCALLTYPE
|
||
|
|
CEnumCERTVIEWROW::AddRef()
|
||
|
|
{
|
||
|
|
return(InterlockedIncrement(&m_cRef));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
ULONG STDMETHODCALLTYPE
|
||
|
|
CEnumCERTVIEWROW::Release()
|
||
|
|
{
|
||
|
|
ULONG cRef = InterlockedDecrement(&m_cRef);
|
||
|
|
|
||
|
|
if (0 == cRef)
|
||
|
|
{
|
||
|
|
delete this;
|
||
|
|
}
|
||
|
|
return(cRef);
|
||
|
|
}
|