1250 lines
32 KiB
C++
1250 lines
32 KiB
C++
#include "priv.h"
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#include <runtask.h>
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#include "uacount.h"
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#include "regdb.h"
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#include "uemapp.h"
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#include "uareg.h"
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#define DM_UEMTRACE TF_UEM
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#define DM_PERF 0 // perf tune
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#define DB_NOLOG FALSE
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#define SZ_CTLSESSION TEXT("UEME_CTLSESSION")
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#define SZ_CUACount_ctor TEXT("UEME_CTLCUACount:ctor")
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#define SZ_DEL_PREFIX TEXT("del.")
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#define SZ_RUN_PREFIX TEXT("UEME_RUN")
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//*** Reg_CreateOpenKey -- merged RegCreate/RegOpen
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//
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HKEY Reg_CreateOpenKey(HKEY hkey, LPCTSTR pszSubKey, DWORD grfMode)
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{
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HKEY hkeyNew = 0;
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long i;
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CHAR szSubKey[MAXIMUM_SUB_KEY_LENGTH];
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SHTCharToAnsi(pszSubKey, szSubKey, ARRAYSIZE(szSubKey));
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ASSERT(grfMode == STGM_READ || grfMode == STGM_WRITE);
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ASSERT(pszSubKey != NULL);
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if (pszSubKey != NULL) {
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if (grfMode == STGM_READ) {
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i = RegOpenKeyA(hkey, szSubKey, &hkeyNew);
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}
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else {
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i = RegCreateKeyA(hkey, szSubKey, &hkeyNew);
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}
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// the following ASSERT is not req'd but is currently always true.
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// if you hit it, the bug is someplace in the caller.
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// i.e. do *not* remove this ASSERT to 'fix' your pblm.
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// a typical cause of failure is that CoCreateInst is failing because
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// something isn't properly regsvr32'ed.
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ASSERT(i == ERROR_SUCCESS || hkeyNew == 0);
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}
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return hkeyNew;
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}
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//***
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// DESCRIPTION
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// inc this any time you change the format of *anything* below {guid}
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// doing so will cause us to nuke the {guid} subtree and start fresh
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#define UA_VERSION 3
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#if 0
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char c_szDotDot[] = TEXT(".."); // RegStrFS does *not* support
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#endif
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// kind of hoaky to do INITGUID, but we want the GUID private to this file
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#define INITGUID
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#include <initguid.h>
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// {C28EB156-523C-11d2-A561-00A0C92DBFE8}
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DEFINE_GUID(CLSID_GCTaskTOID,
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0xc28eb156, 0x523c, 0x11d2, 0xa5, 0x61, 0x0, 0xa0, 0xc9, 0x2d, 0xbf, 0xe8);
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#undef INITGUID
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class CGCTask : public CRunnableTask
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{
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public:
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//*** IUnknown
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// (... from CRunnableTask)
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//*** THISCLASS
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HRESULT Initialize(CEMDBLog *that);
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virtual STDMETHODIMP RunInitRT();
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protected:
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CGCTask();
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virtual ~CGCTask();
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friend CGCTask *CGCTask_Create(CEMDBLog *that);
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CEMDBLog *_that;
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};
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// {
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//*** CEMDBLog --
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//CRITICAL_SECTION g_csDbSvr /*=0*/ ;
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CEMDBLog *g_uempDbSvr[UEMIND_NSTANDARD + UEMIND_NINSTR]; // 0=shell 1=browser
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//*** g_fDidUAGC -- breadcrumbs in case we die (even non-DEBUG)
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// keep minimal state in case we deadlock or die or whatever
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// 0:not 1:pre-task 2:pre-GC 3:post-GC
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int g_fDidUAGC;
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FNNRW3 CEMDBLog::s_Nrw3Info = {
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CEMDBLog::s_Read,
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CEMDBLog::s_Write,
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CEMDBLog::s_Delete,
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};
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//*** helpers {
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//***
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// NOTES
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// or, could use Reg_CreateOpenKey(..., STGM_READ) if we removed the asserts
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STDAPI_(DWORD) SHRegOpenKey(HKEY hk, LPCTSTR ptszSubKey, PHKEY phkOut)
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{
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long i;
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CHAR szSubKey[MAXIMUM_SUB_KEY_LENGTH];
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CHAR *psz;
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if (ptszSubKey) {
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SHTCharToAnsi(ptszSubKey, szSubKey, ARRAYSIZE(szSubKey));
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psz = szSubKey;
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}
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else {
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psz = NULL;
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}
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i = RegOpenKeyA(hk, psz, phkOut);
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return (DWORD)i;
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}
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STDAPI_(DWORD) SHRegOpenKeyEx(HKEY hk, LPCTSTR ptszSubKey, DWORD dwReserved, REGSAM samDesired, PHKEY phkOut)
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{
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long i;
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CHAR szSubKey[MAXIMUM_SUB_KEY_LENGTH];
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CHAR *psz;
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if (ptszSubKey) {
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SHTCharToAnsi(ptszSubKey, szSubKey, ARRAYSIZE(szSubKey));
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psz = szSubKey;
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}
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else {
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psz = NULL;
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}
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i = RegOpenKeyExA(hk, psz, dwReserved, samDesired, phkOut);
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return (DWORD)i;
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}
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#define E_NUKE (E_FAIL + 1)
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//*** RegGetVersion -- check registry tree 'Version'
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// ENTRY/EXIT
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// (see RegChkVersion)
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// hr (ret) S_OK:ok S_FALSE:no tree E_NUKE:old E_FAIL:new
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HRESULT RegGetVersion(HKEY hk, LPTSTR pszSubkey, LPTSTR pszValue, DWORD dwVers)
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{
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HRESULT hr;
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HKEY hk2;
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DWORD dwData;
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DWORD cbSize;
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if (!pszValue)
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pszValue = TEXT("Version");
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hr = S_FALSE; // assume nothing there at all
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if (SHRegOpenKey(hk, pszSubkey, &hk2) == ERROR_SUCCESS) {
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hr = E_NUKE; // assume version mismatch
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cbSize = SIZEOF(dwData);
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if (SHGetValue(hk2, NULL, pszValue, NULL, (BYTE*)&dwData, &cbSize) == ERROR_SUCCESS) {
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if (dwData == dwVers)
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hr = S_OK; // great!
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else if (dwData > dwVers)
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hr = E_FAIL; // we're an old client, fail
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else
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ASSERT(hr == E_NUKE); // we're a new client, nuke it
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}
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RegCloseKey(hk2);
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}
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return hr;
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}
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//*** RegChkVersion -- check registry tree 'version', nuke if outdated
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// ENTRY/EXIT
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// hk e.g. hkey for "HKCU/.../Uassist"
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// pszSubkey e.g. "{clsid}"
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// pszValue e.g. "Version"
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// dwVers e.g. 3
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// hr (ret) S_OK:matched, S_FAIL:mismatched and del'ed, E_FAIL:o.w.
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// (other) (SE) pszSubkey deleted if not matched
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HRESULT RegChkVersion(HKEY hk, LPTSTR pszSubkey, LPTSTR pszValue, DWORD dwVers)
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{
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HRESULT hr;
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DWORD i;
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// RegGetVersion() S_OK:ok S_FALSE:new E_NUKE:old E_FAIL:fail
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hr = RegGetVersion(hk, pszSubkey, pszValue, dwVers);
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// at this point, we have:
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// S_OK: ok
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// S_FALSE: entire tree missing
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// E_NUKE: no "Version" or old version (nuke it)
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// E_FAIL: new version (we can't handle it)
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if (hr == E_FAIL) {
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TraceMsg(DM_UEMTRACE, "bui.rcv: incompat (uplevel)");
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}
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if (hr == E_NUKE) {
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TraceMsg(DM_UEMTRACE, "bui.rcv: bad tree, try delete");
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hr = S_FALSE; // assume nuked
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i = SHDeleteKey(hk, pszSubkey);
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if (i != ERROR_SUCCESS) {
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TraceMsg(DM_UEMTRACE, "bui.rcv: delete failed!");
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hr = E_FAIL; // bogus tree left laying around
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}
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}
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TraceMsg(DM_UEMTRACE, "bui.rcv: hr=0x%x", hr);
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return hr;
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}
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//*** GetUEMLogger -- get the (shared) instance of our logger object
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// NOTES
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// BY DESIGN: we leak g_uempDbSvr.
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// race condition on g_uempDbSvr. our caller guards against this.
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// the 5 billion ASSERTs below were for diagnosing nt5:145449 (fixed).
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HRESULT GetUEMLogger(int iSvr, CEMDBLog **p)
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{
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HRESULT hr, hrVers;
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CEMDBLog *pDbSvr;
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DWORD dwData, cbSize;
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ASSERT(iSvr < ARRAYSIZE(g_uempDbSvr));
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pDbSvr = g_uempDbSvr[iSvr];
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if (pDbSvr) {
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pDbSvr->AddRef();
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*p = pDbSvr;
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return S_OK;
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}
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pDbSvr = CEMDBLog_Create();
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if (EVAL(pDbSvr)) {
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TCHAR szClass[GUIDSTR_MAX]; // "{clsid}"
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SHStringFromGUID(IND_NONINSTR(iSvr) ? UEMIID_BROWSER : UEMIID_SHELL, szClass, GUIDSTR_MAX);
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TraceMsg(DM_UEMTRACE, "bui.gul: UEMIID_%s=%s", IND_NONINSTR(iSvr) ? TEXT("BROWSER") : TEXT("SHELL"), szClass);
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hr = pDbSvr->ChDir(!IND_ISINSTR(iSvr) ? SZ_UASSIST : SZ_UASSIST2);
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if (SUCCEEDED(hr)) {
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hrVers = RegChkVersion(pDbSvr->GetHkey(), szClass, SZ_UAVERSION, UA_VERSION);
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if (FAILED(hrVers)) {
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TraceMsg(DM_UEMTRACE, "bui.gul: rcv()=0x%x (!)", hrVers);
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hr = hrVers;
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}
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}
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if (SUCCEEDED(hr)) {
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hr = pDbSvr->ChDir(szClass);
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ASSERT(hrVers == S_OK || hrVers == S_FALSE);
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if (SUCCEEDED(hr) && hrVers == S_FALSE) {
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dwData = UA_VERSION;
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cbSize = SIZEOF(dwData);
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hr = pDbSvr->SetValue(SZ_UAVERSION, REG_DWORD, (BYTE*)&dwData, cbSize);
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}
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}
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if (SUCCEEDED(hr))
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hr = pDbSvr->ChDir(SZ_COUNT);
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// n.b. we can't call pDbSvr->GarbageCollect here since flags
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// (e.g. _fNoDecay) not set yet
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// pDbSvr->GarbageCollect(FALSE);
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if (FAILED(hr))
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{
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// this fails during RunOnce
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pDbSvr->Release();
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pDbSvr = NULL;
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}
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}
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if (pDbSvr) {
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ENTERCRITICAL;
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if (g_uempDbSvr[iSvr] == 0) {
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g_uempDbSvr[iSvr] = pDbSvr; // xfer refcnt
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pDbSvr = NULL;
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}
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LEAVECRITICAL;
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if (pDbSvr)
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pDbSvr->Release();
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}
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*p = g_uempDbSvr[iSvr];
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return *p ? S_OK : E_FAIL;
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}
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CEMDBLog::CEMDBLog() : _cRef(1)
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{
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ASSERT(_fBackup == FALSE);
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ASSERT(_fNoEncrypt == FALSE);
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return;
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}
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CEMDBLog::~CEMDBLog()
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{
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#if XXX_CACHE
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int i;
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for (i = 0; i < ARRAYSIZE(_rgCache); i++)
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{
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if (_rgCache[i].pv)
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{
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LocalFree(_rgCache[i].pv);
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_rgCache[i].pv = NULL;
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_rgCache[i].cbSize = 0;
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}
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}
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#endif
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SetRoot(0, STGM_READ); // close
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ASSERT(!_hkey);
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return;
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}
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void CEMDBLog_CleanUp()
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{
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int i;
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CEMDBLog *pDbSvr;
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TraceMsg(DM_UEMTRACE, "bui.uadb_cu: cleaning up");
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for (i = 0; i < UEMIND_NSTANDARD + UEMIND_NINSTR; i++) {
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if ((pDbSvr = (CEMDBLog *)InterlockedExchangePointer((void**) &g_uempDbSvr[i], (LPVOID) -1)))
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delete pDbSvr;
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}
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return;
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}
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HRESULT CEMDBLog::Initialize(HKEY hkey, DWORD grfMode)
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{
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HRESULT hr;
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hr = SetRoot(hkey, grfMode);
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return hr;
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}
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//***
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// hkey e.g. HKLM
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// pszSubKey e.g. "...\\Explorer\\Instance\\{...}"
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// grfMode subset of STGM_* values
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HRESULT CEMDBLog::SetRoot(HKEY hkeyNew, DWORD grfMode)
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{
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ASSERT(grfMode == STGM_READ || grfMode == STGM_WRITE);
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if (_hkey) {
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RegCloseKey(_hkey);
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_grfMode = 0;
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_hkey = 0;
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}
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if (hkeyNew) {
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_grfMode = grfMode;
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_hkey = SHRegDuplicateHKey(hkeyNew); // xfer ownership (and up khey refcnt)
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if (_hkey == NULL)
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return E_FAIL;
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}
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return S_OK;
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}
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HRESULT CEMDBLog::ChDir(LPCTSTR pszSubKey)
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{
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HRESULT hr = E_FAIL;
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HKEY hkeyNew;
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ASSERT(_hkey);
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ASSERT(_grfMode == STGM_READ || _grfMode == STGM_WRITE);
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hkeyNew = Reg_CreateOpenKey(_hkey, pszSubKey, _grfMode);
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if (hkeyNew) {
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RegCloseKey(_hkey);
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_hkey = hkeyNew;
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hr = S_OK;
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}
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return hr;
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}
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HRESULT CEMDBLog::QueryValueStr(LPCTSTR pszName, LPTSTR pszVal, LPDWORD pcbVal)
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{
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long i;
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CHAR szSubKey[MAXIMUM_SUB_KEY_LENGTH];
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CHAR szStrData[MAX_URL_STRING];
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DWORD cbSize = sizeof(szStrData);
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SHTCharToAnsi(pszName, szSubKey, ARRAYSIZE(szSubKey));
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i = SHQueryValueExA(_hkey, szSubKey, NULL, NULL, (BYTE*)szStrData, &cbSize);
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ASSERT((int)*pcbVal > lstrlenA(szStrData)); // I better be using a big enough buffer.
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SHAnsiToTChar(szStrData, pszVal, *pcbVal / sizeof(TCHAR));
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if (pcbVal)
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*pcbVal = lstrlen(pszVal);
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return (i == ERROR_SUCCESS) ? S_OK : E_FAIL;
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}
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HRESULT CEMDBLog::SetValueStr(LPCTSTR pszName, LPCTSTR pszVal)
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{
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return SetValueStrEx(pszName, REG_SZ, pszVal);
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}
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HRESULT CEMDBLog::SetValueStrEx(LPCTSTR pszName, DWORD dwType, LPCTSTR pszVal)
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{
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long i;
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int cbTmp;
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CHAR szSubKey[MAXIMUM_SUB_KEY_LENGTH];
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CHAR szStrData[MAX_URL_STRING];
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SHTCharToAnsi(pszName, szSubKey, ARRAYSIZE(szSubKey));
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SHTCharToAnsi(pszVal, szStrData, ARRAYSIZE(szStrData));
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ASSERT(_grfMode == STGM_WRITE);
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cbTmp = (lstrlenA(szStrData) + 1);
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i = RegSetValueExA(_hkey, szSubKey, NULL, dwType, (BYTE*)szStrData, cbTmp);
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return (i == ERROR_SUCCESS) ? S_OK : E_FAIL;
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}
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// }
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// }
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// {
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//*** CEMDBLog -- file-system-like view of registry
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// DESCRIPTION
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// basically keeps track of where we are and does 'relative' opens from
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// there. NYI: intent is to eventually support 'chdir' ops.
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// NOTES
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//
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CEMDBLog *CEMDBLog_Create()
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{
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HKEY hk = SHGetShellKey(SHELLKEY_HKCU_EXPLORER, NULL, TRUE);
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if (hk)
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{
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CEMDBLog *prsfs = new CEMDBLog;
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if (prsfs && FAILED(prsfs->Initialize(hk, STGM_WRITE))) {
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prsfs->Release();
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prsfs = NULL;
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}
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RegCloseKey(hk);
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return prsfs;
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}
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return NULL;
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}
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//*** IsREG_XX_SZ -- see if ansi/unicode is an issue
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//
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#define IsREG_XX_SZ(dwTyp) \
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((dwTyp) == REG_SZ || (dwTyp) == REG_MULTI_SZ || (dwTyp) == REG_EXPAND_SZ)
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HRESULT CEMDBLog::QueryValue(LPCTSTR pszName, BYTE *pbData, LPDWORD pcbData)
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{
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long i;
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DWORD dwType;
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CHAR szaTmp[MAX_URL_STRING];
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// we need to thunk since no RegXxxValueW on win95
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SHTCharToAnsi(pszName, szaTmp, ARRAYSIZE(szaTmp));
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i = SHQueryValueExA(_hkey, szaTmp, NULL, &dwType, pbData, pcbData);
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ASSERT(i != ERROR_SUCCESS || !IsREG_XX_SZ(dwType));
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return (i == ERROR_SUCCESS) ? S_OK : E_FAIL;
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}
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HRESULT CEMDBLog::SetValue(LPCTSTR pszName, DWORD dwType, const BYTE *pbData, DWORD cbData)
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{
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long i;
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CHAR szaTmp[MAX_URL_STRING];
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ASSERT(_grfMode == STGM_WRITE);
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// we need to thunk since no RegXxxValueW on win95
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SHTCharToAnsi(pszName, szaTmp, ARRAYSIZE(szaTmp));
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ASSERT(!IsREG_XX_SZ(dwType));
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i = RegSetValueExA(_hkey, szaTmp, NULL, dwType, pbData, cbData);
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return (i == ERROR_SUCCESS) ? S_OK : E_FAIL;
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}
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HRESULT CEMDBLog::DeleteValue(LPCTSTR pszName)
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{
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long i;
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ASSERT(_grfMode == STGM_WRITE);
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|
i = SHDeleteValue(_hkey, NULL, pszName);
|
|
return (i == ERROR_SUCCESS) ? S_OK : E_FAIL;
|
|
}
|
|
|
|
HRESULT CEMDBLog::RmDir(LPCTSTR pszName, BOOL fRecurse)
|
|
{
|
|
HRESULT hr = E_FAIL;
|
|
DWORD i;
|
|
|
|
CHAR szaTmp[MAX_URL_STRING];
|
|
|
|
ASSERT(fRecurse); // others NYI
|
|
|
|
ASSERT(_grfMode == STGM_WRITE);
|
|
|
|
SHTCharToAnsi(pszName, szaTmp, ARRAYSIZE(szaTmp));
|
|
|
|
if (fRecurse) {
|
|
i = SHDeleteKeyA(_hkey, szaTmp);
|
|
}
|
|
else {
|
|
// not sure what to do, since we want a non-recursive delete
|
|
// but we do want to handle presence of values (which shlwapi
|
|
// doesn't support)
|
|
//i = DeleteEmptyKey(_hkey, pszName);
|
|
i = -1;
|
|
}
|
|
|
|
return (i == ERROR_SUCCESS) ? S_OK : E_FAIL;
|
|
}
|
|
|
|
|
|
//*** THIS::Count -- increment profile count for command
|
|
// ENTRY/EXIT
|
|
// fUpdate FALSE for the GC case (since can't update reg during RegEnum)
|
|
// NOTES
|
|
HRESULT CEMDBLog::GetCount(LPCTSTR pszCmd)
|
|
{
|
|
return _GetCountRW(pszCmd, TRUE);
|
|
}
|
|
|
|
// Returns the Filetime that is encoded in the Count Object.
|
|
// note: we do a delayed upgrade of the binary stream in the registry. We will
|
|
// use the old uem count info, but tack on the new filetime information when we increment the useage.
|
|
FILETIME CEMDBLog::GetFileTime(LPCTSTR pszCmd)
|
|
{
|
|
NRWINFO rwi;
|
|
HRESULT hres;
|
|
CUACount aCnt;
|
|
rwi.self = this;
|
|
rwi.pszName = pszCmd;
|
|
// This is a bizzar way of reading a string from the registry....
|
|
hres = aCnt.LoadFrom(&s_Nrw3Info, &rwi);
|
|
return aCnt.GetFileTime();
|
|
}
|
|
|
|
|
|
HRESULT CEMDBLog::_GetCountRW(LPCTSTR pszCmd, BOOL fUpdate)
|
|
{
|
|
HRESULT hr;
|
|
CUACount aCnt;
|
|
NRWINFO rwi;
|
|
int i;
|
|
|
|
hr = _GetCountWithDefault(pszCmd, TRUE, &aCnt);
|
|
|
|
i = aCnt.GetCount();
|
|
|
|
if (fUpdate) {
|
|
rwi.self = this;
|
|
rwi.pszName = pszCmd;
|
|
hr = aCnt.SaveTo(FALSE, &s_Nrw3Info, &rwi);
|
|
}
|
|
|
|
return i;
|
|
}
|
|
|
|
//***
|
|
// ENTRY/EXIT
|
|
// hr (ret) S_OK if dead, o.w. != S_OK
|
|
HRESULT CEMDBLog::IsDead(LPCTSTR pszCmd)
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = _GetCountRW(pszCmd, FALSE);
|
|
return hr;
|
|
}
|
|
|
|
extern DWORD g_dCleanSess;
|
|
|
|
//***
|
|
// NOTES
|
|
// we need to be careful not to party on guys that either aren't counts
|
|
// (e.g. UEME_CTLSESSION), or are 'special' (e.g. UEME_CTLCUACOUNT), or
|
|
// shouldn't be deleted (e.g. "del.xxx"). for now we take a conservative
|
|
// approach and just nuke things w/ UEME_RUN* as a prefix. better might
|
|
// be to use a dope vector and delete anything that's marked as 'cleanup'.
|
|
HRESULT CEMDBLog::GarbageCollect(BOOL fForce)
|
|
{
|
|
int i;
|
|
|
|
if (!fForce) {
|
|
if (g_dCleanSess != 0) {
|
|
i = GetSessionId();
|
|
if ((i % g_dCleanSess) != 0) {
|
|
TraceMsg(DM_UEMTRACE, "uadb.gc: skip");
|
|
return S_FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
g_fDidUAGC = 1; // breadcrumbs in case we die (even non-DEBUG)
|
|
|
|
// do _GarbageCollectSlow(), in the background
|
|
HRESULT hr = E_FAIL;
|
|
CGCTask *pTask = CGCTask_Create(this);
|
|
if (pTask) {
|
|
IShellTaskScheduler *pSched;
|
|
hr = CoCreateInstance(CLSID_SharedTaskScheduler, NULL, CLSCTX_INPROC_SERVER, IID_IShellTaskScheduler, (void**)&pSched);
|
|
|
|
if (SUCCEEDED(hr)) {
|
|
hr = pSched->AddTask(pTask, CLSID_GCTaskTOID, 0L, ITSAT_DEFAULT_PRIORITY);
|
|
pSched->Release(); // (o.k. even if task hasn't completed)
|
|
}
|
|
pTask->Release();
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CEMDBLog::_GarbageCollectSlow()
|
|
{
|
|
HKEY hk;
|
|
int i;
|
|
DWORD dwI, dwCch, dwType;
|
|
HDSA hdsa;
|
|
TCHAR *p;
|
|
TCHAR szKey[MAXIMUM_SUB_KEY_LENGTH];
|
|
|
|
TraceMsg(DM_UEMTRACE, "uadb.gc: hit");
|
|
|
|
hdsa = DSA_Create(SIZEOF(szKey), 4); // max size, oh well...
|
|
if (hdsa) {
|
|
TCHAR szRun[SIZEOF(SZ_RUN_PREFIX)];
|
|
TCHAR *pszRun;
|
|
|
|
pszRun = _MayEncrypt(SZ_RUN_PREFIX, szRun, ARRAYSIZE(szRun));
|
|
if (pszRun != szRun)
|
|
lstrcpy(szRun, pszRun);
|
|
ASSERT(lstrlen(szRun) == lstrlen(SZ_RUN_PREFIX));
|
|
hk = GetHkey();
|
|
for (dwI = 0; ; dwI++) {
|
|
dwCch = ARRAYSIZE(szKey);
|
|
if (SHEnumValue(hk, dwI, szKey, &dwCch, &dwType, NULL, NULL) != NOERROR)
|
|
break;
|
|
if (StrCmpN(szKey, szRun, ARRAYSIZE(szRun) - 1) == 0) {
|
|
if (IsDead(szKey) == S_OK)
|
|
DSA_AppendItem(hdsa, szKey);
|
|
}
|
|
}
|
|
|
|
for (i = DSA_GetItemCount(hdsa) - 1; i > 0; i--) {
|
|
p = (TCHAR *)DSA_GetItemPtr(hdsa, i);
|
|
TraceMsg(DM_UEMTRACE, "uadb.gc: nuke %s", p);
|
|
GetCount(p); // decay to 0 will delete
|
|
}
|
|
|
|
DSA_Destroy(hdsa);
|
|
hdsa = NULL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT CEMDBLog::IncCount(LPCTSTR pszCmd)
|
|
{
|
|
HRESULT hr;
|
|
NRWINFO rwi;
|
|
|
|
TraceMsg(DM_UEMTRACE, "uemt: ic <%s>", pszCmd);
|
|
|
|
if (DB_NOLOG)
|
|
return E_FAIL;
|
|
|
|
#if 0 // ChDir is currently done at create time
|
|
hr = ChDir(SZ_COUNT);
|
|
#endif
|
|
|
|
CUACount aCnt;
|
|
|
|
hr = _GetCountWithDefault(pszCmd, TRUE, &aCnt);
|
|
|
|
aCnt.IncCount();
|
|
|
|
// Since we are incrementing the count,
|
|
// We should update the last execute time
|
|
aCnt.UpdateFileTime();
|
|
|
|
rwi.self = this;
|
|
rwi.pszName = pszCmd;
|
|
hr = aCnt.SaveTo(TRUE, &s_Nrw3Info, &rwi);
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CEMDBLog::SetCount(LPCTSTR pszCmd, int cCnt)
|
|
{
|
|
HRESULT hr;
|
|
NRWINFO rwi;
|
|
|
|
TraceMsg(DM_UEMTRACE, "uemt: ic <%s>", pszCmd);
|
|
|
|
if (DB_NOLOG)
|
|
return E_FAIL;
|
|
|
|
CUACount aCnt;
|
|
|
|
// fDef=FALSE so don't create if doesn't exist
|
|
hr = _GetCountWithDefault(pszCmd, /*fDef=*/FALSE, &aCnt);
|
|
|
|
if (SUCCEEDED(hr)) { // don't want default...
|
|
aCnt.SetCount(cCnt);
|
|
|
|
rwi.self = this;
|
|
rwi.pszName = pszCmd;
|
|
hr = aCnt.SaveTo(TRUE, &s_Nrw3Info, &rwi);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
//***
|
|
// ENTRY/EXIT
|
|
// fDefault provide default if entry not found
|
|
// ret S_OK: found w/o default; S_FALSE: needed default; E_xxx: error
|
|
// NOTES
|
|
// calling w/ fDefault=FALSE can still return S_FALSE
|
|
HRESULT CEMDBLog::_GetCountWithDefault(LPCTSTR pszCmd, BOOL fDefault, CUACount *pCnt)
|
|
{
|
|
HRESULT hr, hrDef;
|
|
NRWINFO rwi;
|
|
|
|
rwi.self = this;
|
|
rwi.pszName = pszCmd;
|
|
hr = pCnt->LoadFrom(&s_Nrw3Info, &rwi);
|
|
|
|
hrDef = S_OK;
|
|
if (FAILED(hr)) {
|
|
hrDef = S_FALSE;
|
|
if (fDefault) {
|
|
rwi.pszName = SZ_CUACount_ctor;
|
|
hr = pCnt->LoadFrom(&s_Nrw3Info, &rwi);
|
|
|
|
// pCnt->Initialize happens below (possibly 2x)
|
|
if (FAILED(hr)) {
|
|
TraceMsg(DM_UEMTRACE, "uadb._gcwd: create ctor %s", SZ_CUACount_ctor);
|
|
hr = pCnt->Initialize(SAFECAST(this, IUASession *));
|
|
|
|
ASSERT(pCnt->_GetCount() == 0);
|
|
pCnt->_SetMru(SID_SNOWINIT); // start clock ticking...
|
|
|
|
// cnt=UAC_NEWCOUNT, age=Now
|
|
int i = _fNoDecay ? 1 : UAC_NEWCOUNT;
|
|
pCnt->SetCount(i); // force age
|
|
ASSERT(pCnt->_GetCount() == i);
|
|
|
|
hr = pCnt->SaveTo(/*fForce*/TRUE, &s_Nrw3Info, &rwi);
|
|
}
|
|
|
|
#if XXX_DELETE
|
|
pCnt->_SetFlags(UACF_INHERITED, UACF_INHERITED);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
hr = pCnt->Initialize(SAFECAST(this, IUASession *));
|
|
if (SUCCEEDED(hr))
|
|
pCnt->_SetFlags(UAXF_XMASK, _SetFlags(0, 0) & UAXF_XMASK);
|
|
|
|
return SUCCEEDED(hr) ? hrDef : hr;
|
|
}
|
|
|
|
HRESULT CEMDBLog::SetFileTime(LPCTSTR pszCmd, const FILETIME *pft)
|
|
{
|
|
HRESULT hr;
|
|
NRWINFO rwi;
|
|
|
|
TraceMsg(DM_UEMTRACE, "uemt: sft <%s>", pszCmd);
|
|
|
|
if (DB_NOLOG)
|
|
return E_FAIL;
|
|
|
|
CUACount aCnt;
|
|
|
|
// fDef=FALSE so don't create if doesn't exist
|
|
hr = _GetCountWithDefault(pszCmd, /*fDef=*/FALSE, &aCnt);
|
|
|
|
if (SUCCEEDED(hr)) { // don't want default...
|
|
aCnt.SetFileTime(pft);
|
|
|
|
rwi.self = this;
|
|
rwi.pszName = pszCmd;
|
|
hr = aCnt.SaveTo(TRUE, &s_Nrw3Info, &rwi);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
#if XXX_DELETE
|
|
#define BTOM(b, m) ((b) ? (m) : 0)
|
|
|
|
DWORD CEMDBLog::_SetFlags(DWORD dwMask, DWORD dwFlags)
|
|
{
|
|
// standard guys
|
|
if (dwMask & UAXF_NOPURGE)
|
|
_fNoPurge = BOOLIFY(dwFlags & UAXF_NOPURGE);
|
|
if (dwMask & UAXF_BACKUP)
|
|
_fBackup = BOOLIFY(dwFlags & UAXF_BACKUP);
|
|
if (dwMask & UAXF_NOENCRYPT)
|
|
_fNoEncrypt = BOOLIFY(dwFlags & UAXF_NOENCRYPT);
|
|
if (dwMask & UAXF_NODECAY)
|
|
_fNoDecay = BOOLIFY(dwFlags & UAXF_NODECAY);
|
|
|
|
// my guys
|
|
// (none)
|
|
|
|
return 0 // n.b. see continuation line(s)!!!
|
|
| BTOM(_fNoPurge , UAXF_NOPURGE)
|
|
| BTOM(_fBackup , UAXF_BACKUP)
|
|
| BTOM(_fNoEncrypt, UAXF_NOENCRYPT)
|
|
| BTOM(_fNoDecay , UAXF_NODECAY)
|
|
;
|
|
}
|
|
#endif
|
|
|
|
#define ROT13(i) (((i) + 13) % 26)
|
|
|
|
#define XXX_HASH 0 // proto code for way-shorter regnames
|
|
#if !defined(DEBUG) && XXX_HASH
|
|
#pragma message("warning: XXX_HASH defined non-DEBUG")
|
|
#endif
|
|
|
|
//*** _MayEncrypt -- encrypt registry key/value name
|
|
// NOTES
|
|
TCHAR *CEMDBLog::_MayEncrypt(LPCTSTR pszSrcPlain, LPTSTR pszDstEnc, int cchDst)
|
|
{
|
|
TCHAR *pszName;
|
|
|
|
if (!_fNoEncrypt) {
|
|
#if XXX_HASH
|
|
DWORD dwHash;
|
|
|
|
HashData((BYTE*)pszSrcPlain, lstrlen(pszSrcPlain), (BYTE*)&dwHash, SIZEOF(dwHash));
|
|
pszName = pszDstEnc;
|
|
if (EVAL(cchDst >= (8 + 1)))
|
|
wsprintf(pszName, TEXT("%x"), dwHash);
|
|
else
|
|
pszName = (TCHAR *)pszSrcPlain;
|
|
#else
|
|
TCHAR ch;
|
|
|
|
// uh-oh, gotta figure out an intl-aware encryption scheme...
|
|
pszName = pszDstEnc;
|
|
pszDstEnc[--cchDst] = 0; // pre-terminate for overflow case
|
|
ch = -1;
|
|
while (cchDst-- > 0 && ch != 0) {
|
|
ch = *pszSrcPlain++;
|
|
|
|
if (TEXT('a') <= ch && ch <= TEXT('z'))
|
|
ch = TEXT('a') + ROT13(ch - TEXT('a'));
|
|
else if (TEXT('A') <= ch && ch <= TEXT('Z'))
|
|
ch = TEXT('A') + ROT13(ch - TEXT('A'));
|
|
else
|
|
;
|
|
|
|
*pszDstEnc++ = ch;
|
|
}
|
|
#endif
|
|
TraceMsg(DM_UEMTRACE, "uadb._me: plain=%s(enc=%s)", pszSrcPlain - (pszDstEnc - pszName), pszName);
|
|
}
|
|
else {
|
|
pszName = (TCHAR *)pszSrcPlain;
|
|
}
|
|
|
|
return pszName;
|
|
}
|
|
|
|
#if XXX_CACHE // {
|
|
//***
|
|
// ENTRY/EXIT
|
|
// op 0:read, 1:write, 2:delete
|
|
//
|
|
HRESULT CEMDBLog::CacheOp(CACHEOP op, void *pvBuf, DWORD cbBuf, PNRWINFO prwi)
|
|
{
|
|
static TCHAR * const pszNameTab[] = { SZ_CTLSESSION, SZ_CUACount_ctor, };
|
|
int i;
|
|
|
|
ASSERT(ARRAYSIZE(pszNameTab) == ARRAYSIZE(_rgCache));
|
|
|
|
for (i = 0; i < ARRAYSIZE(pszNameTab); i++)
|
|
{
|
|
if (lstrcmp(prwi->pszName, pszNameTab[i]) == 0)
|
|
{
|
|
TraceMsg(DM_PERF, "cedl.s_%c: this'=%x n=%s", TEXT("rwd")[op], prwi->self, prwi->pszName);
|
|
|
|
switch (op)
|
|
{
|
|
// Read from the cache
|
|
case CO_READ:
|
|
// Do we have a cached item?
|
|
if (_rgCache[i].pv)
|
|
{
|
|
// The cached buffer should be smaller than or equal to the
|
|
// passed buffer size, or we get a buffer overflow
|
|
ASSERT (_rgCache[i].cbSize <= cbBuf);
|
|
// Load the cache into the buffer. Note that the
|
|
// size requested may be larger than the size cached. This
|
|
// is due to upgrade senarios
|
|
memcpy(pvBuf, _rgCache[i].pv, _rgCache[i].cbSize);
|
|
return S_OK;
|
|
}
|
|
break;
|
|
|
|
// Write to the Cache
|
|
case CO_WRITE:
|
|
|
|
// Is the size different or not initialized?
|
|
// When we first allocate this spot, it's size is zero. The
|
|
// incomming buffer should be greater.
|
|
if (_rgCache[i].cbSize != cbBuf)
|
|
{
|
|
// The size is different or uninialized.
|
|
if (_rgCache[i].pv) // Free whatever we've got
|
|
{ // because we're getting a new one.
|
|
_rgCache[i].cbSize = 0; // Set the size to zero.
|
|
LocalFree(_rgCache[i].pv);
|
|
}
|
|
|
|
// Allocate a new buffer of the current size.
|
|
_rgCache[i].pv = LocalAlloc(LPTR, cbBuf);
|
|
}
|
|
|
|
|
|
// Were we successful in allocating a cache buffer?
|
|
if (_rgCache[i].pv)
|
|
{
|
|
// Yes, make the buffer size the same... Do this here incase the
|
|
// allocate fails.
|
|
_rgCache[i].cbSize = cbBuf;
|
|
memcpy(_rgCache[i].pv, pvBuf, _rgCache[i].cbSize);
|
|
return S_OK;
|
|
}
|
|
break;
|
|
|
|
case CO_DELETE: // delete
|
|
if (_rgCache[i].pv)
|
|
{
|
|
LocalFree(_rgCache[i].pv);
|
|
_rgCache[i].pv = NULL;
|
|
_rgCache[i].cbSize = 0;
|
|
}
|
|
return S_OK;
|
|
|
|
default:
|
|
ASSERT(0); // 'impossible'
|
|
break;
|
|
}
|
|
|
|
TraceMsg(DM_PERF, "cedl.s_%c: this'=%x n=%s cache miss", TEXT("rwd")[op], prwi->self, prwi->pszName);
|
|
break;
|
|
}
|
|
}
|
|
return S_FALSE;
|
|
}
|
|
#endif // }
|
|
|
|
HRESULT CEMDBLog::s_Read(void *pvBuf, DWORD cbBuf, PNRWINFO prwi)
|
|
{
|
|
HRESULT hr;
|
|
CEMDBLog *pdb = (CEMDBLog *)prwi->self;
|
|
TCHAR *pszName;
|
|
TCHAR szNameEnc[MAX_URL_STRING];
|
|
|
|
#if XXX_CACHE
|
|
if (pdb->CacheOp(CO_READ, pvBuf, cbBuf, prwi) == S_OK)
|
|
return S_OK;
|
|
#endif
|
|
pszName = pdb->_MayEncrypt(prwi->pszName, szNameEnc, ARRAYSIZE(szNameEnc));
|
|
hr = pdb->QueryValue(pszName, (BYTE *)pvBuf, &cbBuf);
|
|
#if XXX_CACHE
|
|
pdb->CacheOp(CO_WRITE, pvBuf, cbBuf, prwi);
|
|
#endif
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CEMDBLog::s_Write(void *pvBuf, DWORD cbBuf, PNRWINFO prwi)
|
|
{
|
|
HRESULT hr;
|
|
CEMDBLog *pdb = (CEMDBLog *)prwi->self;
|
|
TCHAR *pszName;
|
|
TCHAR szNameEnc[MAX_URL_STRING];
|
|
|
|
#if XXX_CACHE
|
|
// CO_DELETE not CO_WRITE (easier/safer) (perf fine since rarely write)
|
|
pdb->CacheOp(CO_DELETE, pvBuf, cbBuf, prwi);
|
|
#endif
|
|
pszName = pdb->_MayEncrypt(prwi->pszName, szNameEnc, ARRAYSIZE(szNameEnc));
|
|
hr = pdb->SetValue(pszName, REG_BINARY, (BYTE *)pvBuf, cbBuf);
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CEMDBLog::s_Delete(void *pvBuf, DWORD cbBuf, PNRWINFO prwi)
|
|
{
|
|
HRESULT hr;
|
|
CEMDBLog *pdb = (CEMDBLog *)prwi->self;
|
|
TCHAR *pszName;
|
|
TCHAR szNameEnc[MAX_URL_STRING];
|
|
|
|
#if XXX_CACHE
|
|
pdb->CacheOp(CO_DELETE, pvBuf, cbBuf, prwi);
|
|
#endif
|
|
pszName = pdb->_MayEncrypt(prwi->pszName, szNameEnc, ARRAYSIZE(szNameEnc));
|
|
if (pdb->_fBackup) {
|
|
TCHAR szDel[MAX_URL_STRING];
|
|
|
|
wnsprintf(szDel, ARRAYSIZE(szDel), SZ_DEL_PREFIX TEXT("%s"), pszName);
|
|
if (pvBuf == NULL) {
|
|
// happily we already have the data
|
|
// o.w. we'd need to QueryValue into a mega-buffer
|
|
TraceMsg(TF_WARNING, "uadb.s_d: _fBackup && !pvBuf (!)");
|
|
ASSERT(0);
|
|
}
|
|
if (pvBuf != NULL) {
|
|
hr = pdb->SetValue(szDel, REG_BINARY, (BYTE *)pvBuf, cbBuf);
|
|
if (FAILED(hr))
|
|
TraceMsg(TF_WARNING, "uadb.s_d: _fBackup hr=%x (!)", hr);
|
|
}
|
|
// (we'll do delete whether or not the _fBackup works)
|
|
}
|
|
|
|
hr = pdb->DeleteValue(pszName);
|
|
TraceMsg(DM_UEMTRACE, "uadb.s_d: delete s=%s(%s) (_fBackup=%d) pRaw=0x%x hr=%x", pszName, prwi->pszName, pdb->_fBackup, pvBuf, hr);
|
|
#if 1 // unneeded?
|
|
if (FAILED(hr))
|
|
hr = s_Write(pvBuf, cbBuf, prwi);
|
|
#endif
|
|
return hr;
|
|
}
|
|
|
|
// }
|
|
|
|
//*** THIS::IUASession::* {
|
|
|
|
int CEMDBLog::GetSessionId()
|
|
{
|
|
HRESULT hr;
|
|
NRWINFO rwi;
|
|
CUASession aSess;
|
|
int i;
|
|
|
|
rwi.self = this;
|
|
rwi.pszName = SZ_CTLSESSION;
|
|
hr = aSess.LoadFrom(&s_Nrw3Info, &rwi);
|
|
aSess.Initialize();
|
|
|
|
i = aSess.GetSessionId();
|
|
|
|
hr = aSess.SaveTo(FALSE, &s_Nrw3Info, &rwi);
|
|
|
|
return i;
|
|
}
|
|
|
|
void CEMDBLog::SetSession(UAQUANTUM uaq, BOOL fForce)
|
|
{
|
|
HRESULT hr;
|
|
NRWINFO rwi;
|
|
CUASession aSess;
|
|
|
|
rwi.self = this;
|
|
rwi.pszName = SZ_CTLSESSION;
|
|
hr = aSess.LoadFrom(&s_Nrw3Info, &rwi);
|
|
aSess.Initialize();
|
|
|
|
aSess.SetSession(uaq, fForce);
|
|
|
|
hr = aSess.SaveTo(TRUE, &s_Nrw3Info, &rwi);
|
|
|
|
return;
|
|
}
|
|
|
|
// }
|
|
|
|
//*** THIS::CUASession::* {
|
|
|
|
extern DWORD g_dSessTime;
|
|
|
|
CUASession::CUASession()
|
|
{
|
|
_fInited = FALSE;
|
|
_fDirty = FALSE;
|
|
return;
|
|
}
|
|
|
|
HRESULT CUASession::Initialize()
|
|
{
|
|
if (!_fInited) {
|
|
_fInited = TRUE;
|
|
|
|
_cCnt = 0;
|
|
_qtMru = 0;
|
|
_fDirty = TRUE;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
//*** THIS::GetSessionId -- increment profile count for command
|
|
//
|
|
int CUASession::GetSessionId()
|
|
{
|
|
return _cCnt;
|
|
}
|
|
|
|
//***
|
|
// ENTRY/EXIT
|
|
// fForce ignore threshhold rules (e.g. for DEBUG)
|
|
void CUASession::SetSession(UAQUANTUM uaq, BOOL fForce)
|
|
{
|
|
UATIME qtNow;
|
|
|
|
qtNow = GetUaTime(NULL);
|
|
if (qtNow - _qtMru >= g_dSessTime || fForce) {
|
|
TraceMsg(DM_UEMTRACE, "uadb.ss: sid=%d++", _cCnt);
|
|
_cCnt++;
|
|
// nt5:173090
|
|
// if we wrap, there's nothing we can do. it would be pretty
|
|
// bad, since everything would get promoted (since 'now' will
|
|
// be *older* than 'mru' so there will be no decay). worse still
|
|
// they'd stay promoted for a v. long time. we could detect that
|
|
// in the decay code and (lazily) reset the count to 'now,1' or
|
|
// somesuch, but it should never happen so we simply ASSERT.
|
|
ASSERT(_cCnt != 0); // 'impossible'
|
|
_qtMru = qtNow;
|
|
|
|
_fDirty = TRUE;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
HRESULT CUASession::LoadFrom(PFNNRW3 pfnIO, PNRWINFO pRwi)
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = (*pfnIO->_pfnRead)(_GetRawData(), _GetRawCount(), pRwi);
|
|
if (SUCCEEDED(hr))
|
|
_fInited = TRUE;
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CUASession::SaveTo(BOOL fForce, PFNNRW3 pfnIO, PNRWINFO pRwi)
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = S_FALSE;
|
|
if (fForce || _fDirty) {
|
|
hr = (*pfnIO->_pfnWrite)(_GetRawData(), _GetRawCount(), pRwi);
|
|
_fDirty = FALSE;
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
// }
|
|
|
|
//*** CGCTask::* {
|
|
CGCTask *CGCTask_Create(CEMDBLog *that)
|
|
{
|
|
CGCTask *pthis = new CGCTask;
|
|
if (pthis) {
|
|
if (FAILED(pthis->Initialize(that))) {
|
|
delete pthis;
|
|
pthis = NULL;
|
|
}
|
|
}
|
|
return pthis;
|
|
}
|
|
|
|
HRESULT CGCTask::Initialize(CEMDBLog *that)
|
|
{
|
|
ASSERT(!_that);
|
|
ASSERT(that);
|
|
that->AddRef();
|
|
_that = that;
|
|
return S_OK;
|
|
}
|
|
|
|
CGCTask::CGCTask() : CRunnableTask(RTF_DEFAULT)
|
|
{
|
|
}
|
|
|
|
CGCTask::~CGCTask()
|
|
{
|
|
if (_that)
|
|
_that->Release();
|
|
}
|
|
|
|
//*** CGCTask::CRunnableTaskRT::* {
|
|
|
|
HRESULT CGCTask::RunInitRT()
|
|
{
|
|
HRESULT hr;
|
|
|
|
ASSERT(_that);
|
|
g_fDidUAGC = 2; // breadcrumbs in case we die (even non-DEBUG)
|
|
hr = _that->_GarbageCollectSlow();
|
|
g_fDidUAGC = 3; // breadcrumbs in case we die (even non-DEBUG)
|
|
return hr;
|
|
}
|
|
|
|
// }
|
|
|
|
// }
|
|
|
|
#if 0
|
|
#ifdef DEBUG
|
|
void emdbtst()
|
|
{
|
|
HRESULT hr;
|
|
CEMDBLog *pdb = new CEMDBLog;
|
|
|
|
if (pdb)
|
|
{
|
|
hr = pdb->Initialize(HKEY_CURRENT_USER, TEXT("UIProf"));
|
|
ASSERT(SUCCEEDED(hr));
|
|
|
|
pdb->CountIncr("foo");
|
|
pdb->CountIncr("bar");
|
|
pdb->CountIncr("foo");
|
|
|
|
delete pdb;
|
|
}
|
|
|
|
return;
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
// }
|