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1308 lines
37 KiB
1308 lines
37 KiB
//*** uemapp.cpp -- application side of event monitor
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// DESCRIPTION
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// event generators, actions, helpers, etc.
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#include "priv.h"
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#include <trayp.h>
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#include "sccls.h"
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#include "uemapp.h"
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#include "uacount.h"
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#include "regdb.h"
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#include "uareg.h"
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#include "resource.h"
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#define MAX(a, b) (((a) > (b)) ? (a) : (b))
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#define BIT_ASSIGN(dwBits, dwMasks, dwVals) \
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(((dwBits) & ~(dwMasks)) | (dwVals))
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#define DM_UEMTRACE 0
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#define DM_UEMTRACE2 0 // verbose
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#define DM_IDLEDETECT 0 // TF_CUSTOM2
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#define DM_EVTMON TF_UEM
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int SHSearchInt(int *psrc, int cnt, int val);
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int UEMIIDToInd(const GUID *pguidGrp);
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void UEMEnableTimer(UINT uTimeout);
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//*** event firers {
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//CASSERT(UEMIND_SHELL == 0 && UEMIND_BROWSER == 1);
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HRESULT GetUEMLogger(int iCmd, CEMDBLog **p);
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CEMDBLog *g_uempDbLog[UEMIND_NSTANDARD + UEMIND_NINSTR];
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DWORD g_uemdwFlags /*=0*/; // UAF_* and UAAF_*
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// Turning this so that it's a Flat 12hours. You have to explicitly set the SessionTime=0
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// in the registry to debug.
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#ifdef DEBUG_UEM_TIMEOUTS
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#define UAS_SESSTIME UAT_MINUTE1
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#else
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#define UAS_SESSTIME UAT_HOUR12
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#endif
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#define UAS_SESSMIN 0
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#define UAS_SESSMAX ... none for now ...
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DWORD g_dSessTime = UAS_SESSTIME; // session time threshhold
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#define UAS_IDLETIME UAT_HOUR12
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#define UAS_IDLEMIN 0
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#define UAS_IDLEMAX ... none for now ...
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DWORD g_dIdleTime = UAS_IDLETIME; // idle time threshhold
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#define UAS_CLEANSESS 16
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DWORD g_dCleanSess = UAS_CLEANSESS; // cleanup session count threshhold
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void UEMSpecial(int iTab, int iGrp, int eCmd, WPARAM wParam, LPARAM lParam)
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{
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CEMDBLog *pDbLog = NULL;
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if (iGrp < ARRAYSIZE(g_uempDbLog))
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pDbLog = g_uempDbLog[iGrp];
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if (!pDbLog)
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{
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ASSERT(0);
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TraceMsg(TF_ERROR, "uemt: pDbLog not initialized iTab=%d iGrp=%d eCmd=%d wParam=0x%x lParam=0x%x", iTab, iGrp, eCmd, wParam, lParam);
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return;
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}
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switch (eCmd) {
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case UEME_DBTRACEA:
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TraceMsg(DM_UEMTRACE, "uemt: e=runtrace s=%hs(0x%x)", (int)lParam, (int)lParam);
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break;
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case UEME_DBTRACEW:
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TraceMsg(DM_UEMTRACE, "uemt: e=runtrace s=%ls(0x%x)", (int)lParam, (int)lParam);
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break;
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#ifdef DEBUG
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case UEME_DBSLEEP:
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Sleep((DWORD)lParam);
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break;
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#endif
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// UEME_DONE*
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case UEME_DONECANCEL:
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TraceMsg(DM_UEMTRACE, "uemt: e=donecancel lP=%x", (int)lParam);
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break;
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// UEME_ERROR*
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case UEME_ERRORA:
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TraceMsg(DM_UEMTRACE, "uemt: e=errora id=%hs(0x%x)", (LPSTR)lParam, (int)lParam);
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break;
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case UEME_ERRORW:
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TraceMsg(DM_UEMTRACE, "uemt: e=errorw id=%ls(0x%x)", (LPWSTR)lParam, (int)lParam);
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break;
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case UEME_CTLSESSION:
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ASSERT(lParam == -1); // eventually, UAQ_*
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pDbLog->SetSession(UAQ_SESSION, (BOOL)wParam);
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#ifdef UAAF_INSTR
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// might be safer to copy UA.sess rather than inc UA2.sess in parallel?
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if (g_uemdwFlags & UAAF_INSTR)
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{
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if (EVAL(g_uempDbLog[iGrp + UEMIND_NINSTR]))
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g_uempDbLog[iGrp + UEMIND_NINSTR]->SetSession(UAQ_SESSION, (BOOL)wParam);
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}
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#endif
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break;
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default:
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TraceMsg(DM_UEMTRACE, "uemt: e=0x%x(%d) lP=0x%x(%d)", eCmd, eCmd, (int)lParam, (int)lParam);
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break;
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}
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return;
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}
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#ifdef DEBUG // {
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int DBShellMenuValTab[] =
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{
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0x8, // UEMC_FILERUN
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401, // IDM_FILERUN
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};
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TCHAR * DBShellMenuStrTab[] =
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{
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TEXT("run"),
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TEXT("run"),
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};
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int DBBrowserMenuValTab[] = {
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0x106,
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};
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TCHAR * DBBrowserMenuStrTab[] = {
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TEXT("properties"),
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};
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int DBBrowserTbarValTab[] = {
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0x124, 0x122,
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};
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TCHAR * DBBrowserTbarStrTab[] = {
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TEXT("stop"),
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TEXT("home"),
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};
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// Function used only in this file, and only in debug,
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// so no point in adding to shlwapi
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LPTSTR SHSearchMapIntStr(const int *src, const LPTSTR *dst, int cnt, int val)
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{
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for (; cnt > 0; cnt--, src++, dst++) {
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if (*src == val)
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return *dst;
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}
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return (LPTSTR)-1;
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}
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#endif // }
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#define TABDAT(ueme, dope, u1, u2, u3, u4) ueme,
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int UemeValTab[] = {
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#include "uemedat.h"
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};
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#undef TABDAT
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#define TABDAT(ueme, dope, u1, u2, u3, u4) TEXT(# ueme),
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TCHAR *UemeStrTab[] = {
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#include "uemedat.h"
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};
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#undef TABDAT
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#define TABDAT(ueme, dope, u1, u2, u3, u4) dope,
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char *UemeDopeTab[] = {
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#include "uemedat.h"
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};
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#undef TABDAT
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BOOL UEMEncodePidl(IShellFolder *psf, LPITEMIDLIST pidlItem,
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LPTSTR pszBuf, DWORD cchBuf, int* piIndexStart, int* pcsidl);
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#define MAX_EVENT_NAME 32
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//***
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// NOTES
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// todo: could put more encoding instrs in dope vector (e.g. %pidl, %tstr)
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// for now there are only a couple so we hard-code them
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void UEMEncode(int iTab, WCHAR *pwszEvent, size_t cchEvent, WCHAR *pwszEncoded, size_t cchEncoded, int iGrp, int eCmd, WPARAM wParam, LPARAM lParam)
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{
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#ifdef DEBUG
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TCHAR *pdb2;
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#endif
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int i, csIdl;
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TCHAR szBufTmp[MAX_URL_STRING];
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TCHAR wszEvent[MAX_PATH];
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ASSERT(pwszEvent[0] == 0);
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ASSERT(pwszEncoded == 0 || pwszEncoded[0] == 0);
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if (iTab == -1 || iTab >= ARRAYSIZE(UemeStrTab))
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{
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StringCchCopy(pwszEvent, cchEvent, TEXT("UEM?_?"));
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}
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else
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{
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StringCchCopy(pwszEvent, cchEvent, UemeStrTab[iTab]);
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ASSERT(lstrlen(pwszEvent) < MAX_EVENT_NAME);
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if (pwszEncoded) {
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switch (eCmd) {
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case UEME_RUNPIDL:
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if (UEMEncodePidl((IShellFolder *)wParam, (LPITEMIDLIST)lParam, szBufTmp, SIZECHARS(szBufTmp), &i, &csIdl)) {
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StringCchPrintf(pwszEncoded, cchEncoded, TEXT("%s:%%csidl%d%%%s"), pwszEvent, csIdl, szBufTmp + i);
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}
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else {
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StringCchPrintf(pwszEncoded, cchEncoded, TEXT("%s:%s"), pwszEvent, szBufTmp);
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}
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break;
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case UEME_RUNPATHA:
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ASSERT(lstrcmp(pwszEvent, TEXT("UEME_RUNPATHA")) == 0);
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ASSERT(pwszEvent[12] == TEXT('A'));
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pwszEvent[12] = 0; // nuke the 'A'/'W'
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SHAnsiToTChar((PSTR)lParam, wszEvent, ARRAYSIZE(wszEvent));
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if (wParam != -1) {
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StringCchPrintf(pwszEncoded, cchEncoded, TEXT("%s:%%csidl%d%%%s"), pwszEvent, wParam, wszEvent);
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}
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else {
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StringCchPrintf(pwszEncoded, cchEncoded, TEXT("%s:%s"), pwszEvent, wszEvent);
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}
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break;
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case UEME_RUNPATHW:
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ASSERT(lstrcmp(pwszEvent, TEXT("UEME_RUNPATHW")) == 0);
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ASSERT(pwszEvent[12] == TEXT('W'));
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pwszEvent[12] = 0; // nuke the 'A'/'W'
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if (wParam != -1) {
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StringCchPrintf(pwszEncoded, cchEncoded, TEXT("%s:%%csidl%d%%%ls"), pwszEvent, wParam, (WCHAR *)lParam);
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}
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else {
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StringCchPrintf(pwszEncoded, cchEncoded, TEXT("%s:%ls"), pwszEvent, (WCHAR *)lParam);
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}
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break;
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case UEME_RUNCPLA:
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ASSERT(lstrcmp(pwszEvent, TEXT("UEME_RUNCPLA")) == 0);
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ASSERT(pwszEvent[11] == TEXT('A'));
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pwszEvent[11] = 0; // nuke the 'A'/'W'
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SHAnsiToTChar((PSTR)lParam, wszEvent, ARRAYSIZE(wszEvent));
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StringCchPrintf(pwszEncoded, cchEncoded, TEXT("%s:%s"), pwszEvent, wszEvent);
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break;
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case UEME_RUNCPLW:
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ASSERT(lstrcmp(pwszEvent, TEXT("UEME_RUNCPLW")) == 0);
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ASSERT(pwszEvent[11] == TEXT('W'));
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pwszEvent[11] = 0; // nuke the 'A'/'W'
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StringCchPrintf(pwszEncoded, cchEncoded, TEXT("%s:%ls"), pwszEvent, (WCHAR *)lParam);
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break;
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default:
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StringCchPrintf(pwszEncoded, cchEncoded, TEXT("%s:0x%x,%x"), pwszEvent, (DWORD)wParam, (DWORD)lParam);
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break;
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}
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}
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}
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#ifdef DEBUG
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pdb2 = (TCHAR *)-1;
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switch (eCmd) {
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case UEME_UIMENU:
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switch (iGrp) {
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case UEMIND_SHELL:
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pdb2 = SHSearchMapIntStr(DBShellMenuValTab, DBShellMenuStrTab, ARRAYSIZE(DBShellMenuValTab), (int)lParam);
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break;
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case UEMIND_BROWSER:
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pdb2 = SHSearchMapIntStr(DBBrowserMenuValTab, DBBrowserMenuStrTab, ARRAYSIZE(DBBrowserMenuValTab), (int)lParam);
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break;
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default:
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break;
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}
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break;
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case UEME_UITOOLBAR:
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ASSERT(iGrp == UEMIND_BROWSER);
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pdb2 = SHSearchMapIntStr(DBBrowserTbarValTab, DBBrowserTbarStrTab, ARRAYSIZE(DBBrowserTbarValTab), (int)lParam);
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break;
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default:
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break;
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}
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if (pdb2 != (TCHAR *)-1) {
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if (pwszEncoded)
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StringCchPrintf(pwszEncoded, cchEncoded, TEXT("%s:%s"), pwszEvent, pdb2);
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}
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#endif
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}
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STDAPI _UEMGetDisplayName(IShellFolder *psf, LPCITEMIDLIST pidl, UINT shgdnf, LPTSTR pszOut, DWORD cchOut)
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{
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HRESULT hr;
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if (psf)
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{
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ASSERT(pidl == ILFindLastID(pidl));
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STRRET str;
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hr = psf->GetDisplayNameOf(pidl, shgdnf, &str);
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if (SUCCEEDED(hr))
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hr = StrRetToBuf(&str, pidl, pszOut, cchOut);
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}
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else
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hr = SHGetNameAndFlags(pidl, shgdnf, pszOut, cchOut, NULL);
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return hr;
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}
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//*** FoldCSIDL -- folder special CSIDLs to keep start menu happy
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//
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#define FoldCSIDL(csidl) \
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((csidl) == CSIDL_COMMON_PROGRAMS ? CSIDL_PROGRAMS : (csidl))
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//*** UemEncodePidl -- encode pidl into csidl and relative path
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//
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BOOL UEMEncodePidl(IShellFolder *psf, LPITEMIDLIST pidlItem,
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LPTSTR pszBuf, DWORD cchBuf, int* piIndexStart, int* pcsidl)
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{
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static UINT csidlTab[] = { CSIDL_PROGRAMS, CSIDL_COMMON_PROGRAMS, CSIDL_FAVORITES, -1 };
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UINT *pcsidlCur;
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int i;
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TCHAR szFolderPath[MAX_PATH];
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_UEMGetDisplayName(psf, pidlItem, SHGDN_FORPARSING, pszBuf, cchBuf);
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for (pcsidlCur = csidlTab; *pcsidlCur != (UINT)-1; pcsidlCur++)
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{
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// perf: assume shell32 caches this (it does)
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if (SHGetSpecialFolderPath(NULL, szFolderPath, *pcsidlCur, FALSE))
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{
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i = PathCommonPrefix(szFolderPath, pszBuf, NULL);
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if (i != 0 && i == lstrlen(szFolderPath))
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{
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*pcsidl = FoldCSIDL(*pcsidlCur);
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*piIndexStart = i;
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return TRUE;
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}
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}
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}
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return FALSE;
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}
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//*** UEMEvalMsg -- fire event
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// ENTRY/EXIT
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// pguidGrp 'owner' of event. e.g. shell, browser, joe-app, etc.
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// eCmd command. one of UEME_* (standard) or UEME_USER+xxx (custom).
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// wP, lP args.
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// NOTES
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// - pri=1 gotta filter events for privacy issues (esp. Ger). not sure if
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// we should add a param saying 'usage' of event or just infer it from the
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// event.
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// - pri=? gotta encrypt the data we log
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// - pri=? change to UemEvalMsg(eCmd, wParam, lParam)
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//
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void UEMEvalMsg(const GUID *pguidGrp, int eCmd, WPARAM wParam, LPARAM lParam)
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{
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HRESULT hr;
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hr = UEMFireEvent(pguidGrp, eCmd, UEMF_XEVENT, wParam, lParam);
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return;
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}
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STDAPI_(BOOL) UEMGetInfo(const GUID *pguidGrp, int eCmd, WPARAM wParam, LPARAM lParam, LPUEMINFO pui)
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{
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HRESULT hr;
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hr = UEMQueryEvent(pguidGrp, eCmd, wParam, lParam, pui);
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return SUCCEEDED(hr);
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}
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class CUserAssist : public IUserAssist
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{
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public:
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//*** IUnknown
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virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppv);
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virtual STDMETHODIMP_(ULONG) AddRef(void);
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virtual STDMETHODIMP_(ULONG) Release(void);
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//*** IUserAssist
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virtual STDMETHODIMP FireEvent(const GUID *pguidGrp, int eCmd, DWORD dwFlags, WPARAM wParam, LPARAM lParam);
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virtual STDMETHODIMP QueryEvent(const GUID *pguidGrp, int eCmd, WPARAM wParam, LPARAM lParam, LPUEMINFO pui);
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virtual STDMETHODIMP SetEvent(const GUID *pguidGrp, int eCmd, WPARAM wParam, LPARAM lParam, LPUEMINFO pui);
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protected:
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CUserAssist();
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HRESULT Initialize();
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virtual ~CUserAssist();
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friend HRESULT CUserAssist_CI2(IUnknown* pUnkOuter, IUnknown** ppunk, LPCOBJECTINFO poi);
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friend void CUserAssist_CleanUp(DWORD dwReason, void *lpvReserved);
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friend HRESULT UEMRegisterNotify(UEMCallback pfnUEMCB, void *param);
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HRESULT _InitLock();
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HRESULT _Lock();
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HRESULT _Unlock();
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void FireNotify(const GUID *pguidGrp, int eCmd)
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{
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// Assume that we have the lock
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if (_pfnNotifyCB)
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_pfnNotifyCB(_param, pguidGrp, eCmd);
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}
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HRESULT RegisterNotify(UEMCallback pfnUEMCB, void *param)
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{
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HRESULT hr;
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int cTries = 0;
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do
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{
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cTries++;
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hr = _Lock();
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if (SUCCEEDED(hr))
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{
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_pfnNotifyCB = pfnUEMCB;
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_param = param;
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_Unlock();
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}
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else
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{
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::Sleep(100); // wait some for the lock to get freed up
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}
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}
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while (FAILED(hr) && cTries < 20);
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return hr;
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}
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private:
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LONG _cRef;
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HANDLE _hLock;
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UEMCallback _pfnNotifyCB;
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void *_param;
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};
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#define SZ_UALOCK TEXT("_SHuassist.mtx")
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|
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void DoLog(CEMDBLog *pDbLog, TCHAR *pszBuf1, TCHAR *pszBuf2)
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{
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if (pDbLog && *pszBuf1) {
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pDbLog->IncCount(pszBuf1);
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if (*pszBuf2) {
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//ASSERT(iGrp == UEMIND_BROWSER); // not req'd but currently true
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pDbLog->IncCount(pszBuf2);
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}
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}
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return;
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}
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HRESULT CUserAssist::FireEvent(const GUID *pguidGrp, int eCmd, DWORD dwFlags, WPARAM wParam, LPARAM lParam)
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{
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TCHAR szBuf1[32]; // "UEME_xxx"
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TCHAR szBuf2[MAX_URL_STRING]; // "UEME_xxx:0x%x,%x"
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int iGrp;
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CEMDBLog *pDbLog;
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int i, iTab;
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char ch;
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char *pszDope;
|
|
|
|
ASSERT(this != 0);
|
|
|
|
// If called for instrumentation (NOT event monitor) and instrumentation not enabled
|
|
// we should exit!
|
|
if ((UEMF_INSTRUMENT == (dwFlags & UEMF_MASK)) && (!(g_uemdwFlags & UAAF_INSTR)))
|
|
return E_FAIL;
|
|
|
|
if (g_uemdwFlags & UAAF_NOLOG)
|
|
return E_FAIL;
|
|
|
|
if (eCmd & UEME_FBROWSER) {
|
|
ASSERT(0);
|
|
ASSERT(IsEqualIID(*pguidGrp, UEMIID_NIL));
|
|
pguidGrp = &UEMIID_BROWSER;
|
|
eCmd &= ~UEME_FBROWSER;
|
|
}
|
|
|
|
iGrp = UEMIIDToInd(pguidGrp);
|
|
|
|
pDbLog = g_uempDbLog[iGrp];
|
|
|
|
TraceMsg(DM_UEMTRACE2, "uemt: eCmd=0x%x wP=0x%x lP=0x%x(%d)", eCmd, wParam, (int)lParam, (int)lParam);
|
|
|
|
szBuf1[0] = szBuf2[0] = 0;
|
|
|
|
iTab = SHSearchInt(UemeValTab, ARRAYSIZE(UemeValTab), eCmd);
|
|
if (iTab == -1) {
|
|
ASSERT(0);
|
|
return E_FAIL;
|
|
}
|
|
|
|
pszDope = UemeDopeTab[iTab];
|
|
|
|
while (ch = *pszDope++) {
|
|
switch (ch) {
|
|
case 'e':
|
|
i = *pszDope++ - '0';
|
|
if (i >= 2)
|
|
{
|
|
UEMEncode(iTab, szBuf1, ARRAYSIZE(szBuf1), szBuf2, ARRAYSIZE(szBuf2), iGrp, eCmd, wParam, lParam);
|
|
}
|
|
else
|
|
{
|
|
UEMEncode(iTab, szBuf1, ARRAYSIZE(szBuf1), NULL, 0, iGrp, eCmd, wParam, lParam);
|
|
}
|
|
TraceMsg(DM_UEMTRACE, "uemt: %s %s (0x%x %x %x)", szBuf1, szBuf2, eCmd, wParam, lParam);
|
|
break;
|
|
|
|
case 'f':
|
|
// make sure we don't cause ourselves trouble in future
|
|
// EM only gives us a couple of DWORDs, so we need s.t. like:
|
|
// bits(UEMIND_*)+bits(wParam)+bits(lParam) <= bits(DWORD)
|
|
// for now we allow 0/-1 in hiword, if/when we use EM we'll
|
|
// need to clean that up.
|
|
break;
|
|
|
|
case 'l':
|
|
if (SUCCEEDED(_Lock())) {
|
|
if (dwFlags & UEMF_EVENTMON)
|
|
DoLog(pDbLog, szBuf1, szBuf2);
|
|
#ifdef UAAF_INSTR
|
|
if ((g_uemdwFlags & UAAF_INSTR) && (dwFlags & UEMF_INSTRUMENT))
|
|
DoLog(g_uempDbLog[iGrp + UEMIND_NINSTR], szBuf1, szBuf2);
|
|
#endif
|
|
FireNotify(pguidGrp, eCmd);
|
|
_Unlock();
|
|
}
|
|
break;
|
|
|
|
case 'x':
|
|
TraceMsg(DM_UEMTRACE, "uemt: NYI");
|
|
goto Lnodope;
|
|
|
|
#ifdef DEBUG
|
|
case '!':
|
|
ASSERT(0);
|
|
break;
|
|
#endif
|
|
|
|
case '@':
|
|
if (SUCCEEDED(_Lock())) {
|
|
UEMSpecial(iTab, iGrp, eCmd, wParam, lParam);
|
|
FireNotify(pguidGrp, eCmd);
|
|
_Unlock();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
Lnodope:
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT CUserAssist::QueryEvent(const GUID *pguidGrp, int eCmd, WPARAM wParam, LPARAM lParam, LPUEMINFO pui)
|
|
{
|
|
int iGrp;
|
|
CEMDBLog *pDbLog;
|
|
TCHAR szBuf1[32]; // "UEME_xxx"
|
|
TCHAR szBuf2[MAX_URL_STRING]; // "UEME_xxx:0x%x,%x"
|
|
|
|
ASSERT(this != 0);
|
|
|
|
if (g_uemdwFlags & UAAF_NOLOG)
|
|
return E_FAIL;
|
|
|
|
ASSERT(eCmd == UEME_RUNPIDL
|
|
|| eCmd == UEME_RUNPATH || eCmd == UEME_RUNWMCMD); // others NYI
|
|
|
|
ASSERT(pui->cbSize == SIZEOF(*pui));
|
|
// pui->dwVersion?
|
|
|
|
iGrp = UEMIIDToInd(pguidGrp);
|
|
|
|
pDbLog = g_uempDbLog[iGrp];
|
|
|
|
TraceMsg(DM_UEMTRACE2, "uemgi: eCmd=0x%x wP=0x%x lP=0x%x(%d)", eCmd, wParam, (int)lParam, (int)lParam);
|
|
|
|
szBuf1[0] = szBuf2[0] = 0;
|
|
|
|
int iTab = SHSearchInt(UemeValTab, ARRAYSIZE(UemeValTab), eCmd);
|
|
UEMEncode(iTab, szBuf1, ARRAYSIZE(szBuf1), szBuf2, ARRAYSIZE(szBuf2), iGrp, eCmd, wParam, lParam);
|
|
|
|
int cHit;
|
|
//if (SUCCEEDED(_Lock()))
|
|
cHit = pDbLog->GetCount(szBuf2);
|
|
//_Unlock();
|
|
|
|
TraceMsg(DM_UEMTRACE, "uemgi: cHit=%d psz=%s", cHit, szBuf2);
|
|
|
|
if (pui->dwMask & UEIM_HIT)
|
|
{
|
|
pui->cHit = cHit;
|
|
}
|
|
|
|
if (pui->dwMask & UEIM_FILETIME)
|
|
{
|
|
pui->ftExecute = pDbLog->GetFileTime(szBuf2);
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT CUserAssist::SetEvent(const GUID *pguidGrp, int eCmd, WPARAM wParam, LPARAM lParam, LPUEMINFO pui)
|
|
{
|
|
int iGrp;
|
|
CEMDBLog *pDbLog;
|
|
TCHAR szBuf1[32]; // "UEME_xxx"
|
|
TCHAR szBuf2[MAX_URL_STRING]; // "UEME_xxx:0x%x,%x"
|
|
|
|
ASSERT(this != 0);
|
|
|
|
if (g_uemdwFlags & UAAF_NOLOG)
|
|
return E_FAIL;
|
|
|
|
ASSERT(pui->cbSize == SIZEOF(*pui));
|
|
// pui->dwVersion?
|
|
|
|
iGrp = UEMIIDToInd(pguidGrp);
|
|
|
|
pDbLog = g_uempDbLog[iGrp];
|
|
|
|
TraceMsg(DM_UEMTRACE2, "uemgi: eCmd=0x%x wP=0x%x lP=0x%x(%d)", eCmd, wParam, (int)lParam, (int)lParam);
|
|
|
|
szBuf1[0] = szBuf2[0] = 0;
|
|
|
|
int iTab = SHSearchInt(UemeValTab, ARRAYSIZE(UemeValTab), eCmd);
|
|
UEMEncode(iTab, szBuf1, ARRAYSIZE(szBuf1), szBuf2, ARRAYSIZE(szBuf2), iGrp, eCmd, wParam, lParam);
|
|
|
|
pui->dwMask &= UEIM_HIT | UEIM_FILETIME; // what we support
|
|
|
|
if (pui->dwMask && SUCCEEDED(_Lock())) {
|
|
if (pui->dwMask & UEIM_HIT) {
|
|
pDbLog->SetCount(szBuf2, pui->cHit);
|
|
}
|
|
if (pui->dwMask & UEIM_FILETIME) {
|
|
pDbLog->SetFileTime(szBuf2, &pui->ftExecute);
|
|
}
|
|
_Unlock();
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
//*** CUserAssist::CCI,ctor/dtor/init {
|
|
|
|
IUnknown *g_uempUaSingleton;
|
|
|
|
//*** CUserAssist_CreateInstance -- manage *singleton* instance
|
|
//
|
|
HRESULT CUserAssist_CreateInstance(IUnknown* pUnkOuter, IUnknown** ppunk, LPCOBJECTINFO poi)
|
|
{
|
|
HRESULT hr = E_FAIL;
|
|
|
|
if (g_uempUaSingleton == 0) {
|
|
IUnknown *pua;
|
|
|
|
hr = CUserAssist_CI2(pUnkOuter, &pua, poi);
|
|
if (pua)
|
|
{
|
|
ENTERCRITICAL;
|
|
if (g_uempUaSingleton == 0)
|
|
{
|
|
// Now the global owns the ref.
|
|
g_uempUaSingleton = pua; // xfer refcnt
|
|
pua = NULL;
|
|
}
|
|
LEAVECRITICAL;
|
|
if (pua)
|
|
{
|
|
// somebody beat us.
|
|
// free up the 2nd one we just created, and use new one
|
|
TraceMsg(DM_UEMTRACE, "sl.cua_ci: undo race");
|
|
pua->Release();
|
|
}
|
|
|
|
// Now, the caller gets it's own ref.
|
|
g_uempUaSingleton->AddRef();
|
|
TraceMsg(DM_UEMTRACE, "sl.cua_ci: create pua=0x%x g_uempUaSingleton=%x", pua, g_uempUaSingleton);
|
|
}
|
|
}
|
|
else {
|
|
g_uempUaSingleton->AddRef();
|
|
}
|
|
|
|
TraceMsg(DM_UEMTRACE, "sl.cua_ci: ret g_uempUaSingleton=0x%x", g_uempUaSingleton);
|
|
*ppunk = g_uempUaSingleton;
|
|
return *ppunk ? S_OK : hr;
|
|
}
|
|
|
|
//*** CUserAssist_CI2 -- *always* create instance
|
|
//
|
|
HRESULT CUserAssist_CI2(IUnknown* pUnkOuter, IUnknown** ppunk, LPCOBJECTINFO poi)
|
|
{
|
|
CUserAssist * p = new CUserAssist();
|
|
|
|
if (p && FAILED(p->Initialize())) {
|
|
delete p;
|
|
p = NULL;
|
|
}
|
|
|
|
if (p) {
|
|
*ppunk = SAFECAST(p, IUserAssist*);
|
|
return S_OK;
|
|
}
|
|
|
|
*ppunk = NULL;
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
extern "C"
|
|
HRESULT UEMRegisterNotify(UEMCallback pfnUEMCB, void *param)
|
|
{
|
|
HRESULT hr = E_UNEXPECTED;
|
|
if (g_uempUaSingleton)
|
|
{
|
|
CUserAssist *pua = reinterpret_cast<CUserAssist *>(g_uempUaSingleton);
|
|
hr = pua->RegisterNotify(pfnUEMCB, param);
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
extern void GetUEMSettings();
|
|
DWORD g_dwSessionStart; // When did this session start?
|
|
|
|
#if defined(_M_IX86) && (_MSC_VER < 1200)
|
|
#pragma optimize("", off)
|
|
#define BUG_OPTIMIZE // restore, see below
|
|
#endif
|
|
|
|
//***
|
|
HRESULT CUserAssist::Initialize()
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
ASSERT(UEMIND_SHELL == 0 && UEMIND_BROWSER == 1);
|
|
|
|
hr = _InitLock();
|
|
|
|
// get standard loggers
|
|
if (SUCCEEDED(hr))
|
|
hr = GetUEMLogger(UEMIND_SHELL, &g_uempDbLog[UEMIND_SHELL]);
|
|
if (SUCCEEDED(hr))
|
|
hr = GetUEMLogger(UEMIND_BROWSER, &g_uempDbLog[UEMIND_BROWSER]);
|
|
|
|
GetUEMSettings();
|
|
|
|
#define UAXF_XSETTINGS (UAXF_NOPURGE|UAXF_BACKUP|UAXF_NOENCRYPT)
|
|
if (g_uempDbLog[UEMIND_SHELL])
|
|
{
|
|
g_uempDbLog[UEMIND_SHELL]->_SetFlags(UAXF_XSETTINGS, g_uemdwFlags & UAXF_XSETTINGS);
|
|
// n.b. just for shell (browser no need, instr no decay)
|
|
g_uempDbLog[UEMIND_SHELL]->GarbageCollect(FALSE);
|
|
}
|
|
|
|
if (g_uempDbLog[UEMIND_BROWSER])
|
|
{
|
|
g_uempDbLog[UEMIND_BROWSER]->_SetFlags(UAXF_XSETTINGS, g_uemdwFlags & UAXF_XSETTINGS);
|
|
g_uempDbLog[UEMIND_BROWSER]->GarbageCollect(FALSE);
|
|
}
|
|
|
|
#ifdef UAAF_INSTR
|
|
if (g_uemdwFlags & UAAF_INSTR) {
|
|
if (SUCCEEDED(hr))
|
|
hr = GetUEMLogger(UEMIND_SHELL2, &g_uempDbLog[UEMIND_SHELL2]);
|
|
if (SUCCEEDED(hr))
|
|
hr = GetUEMLogger(UEMIND_BROWSER2, &g_uempDbLog[UEMIND_BROWSER2]);
|
|
if (g_uempDbLog[UEMIND_SHELL2]) {
|
|
g_uempDbLog[UEMIND_SHELL2]->_SetFlags(UAXF_XSETTINGS, g_uemdwFlags & UAXF_XSETTINGS);
|
|
g_uempDbLog[UEMIND_SHELL2]->_SetFlags(UAXF_NODECAY, UAXF_NODECAY);
|
|
}
|
|
if (g_uempDbLog[UEMIND_BROWSER2]) {
|
|
g_uempDbLog[UEMIND_BROWSER2]->_SetFlags(UAXF_XSETTINGS, g_uemdwFlags & UAXF_XSETTINGS);
|
|
g_uempDbLog[UEMIND_BROWSER2]->_SetFlags(UAXF_NODECAY, UAXF_NODECAY);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
g_dwSessionStart = GetTickCount();
|
|
UEMEnableTimer(UATTOMSEC(g_dIdleTime));
|
|
|
|
return hr;
|
|
}
|
|
|
|
#ifdef BUG_OPTIMIZE
|
|
#pragma optimize("", on)
|
|
#undef BUG_OPTIMIZE
|
|
#endif
|
|
|
|
void CEMDBLog_CleanUp();
|
|
|
|
//*** CUserAssist_CleanUp -- free up the world (on DLL_PROCESS_DETACH)
|
|
// NOTES
|
|
// a bit hoaky right now since our UEMLog object isn't really refcnt'ed
|
|
void CUserAssist_CleanUp(DWORD dwReason, void *lpvReserved)
|
|
{
|
|
int i;
|
|
IUnknown *pUa;
|
|
|
|
ASSERT(dwReason == DLL_PROCESS_DETACH);
|
|
if (lpvReserved != 0) {
|
|
// on process termination, *don't* nuke us since:
|
|
// - safety: other DLLs in our process may still be using us, and
|
|
// they'll blow up when they reference us if we're freed
|
|
// - leaks: process termination will free us up when all is done,
|
|
// so there's no worry about a leak
|
|
TraceMsg(DM_UEMTRACE, "bui.cua_cu: skip cleanup (end process/non-FreeLibrary)");
|
|
return;
|
|
}
|
|
// otherwise, on FreeLibrary, *do* nuke us since:
|
|
// - safety: our refcnt is 0, so nobody is using us any more
|
|
// - leaks: multiple Load/FreeLibrary calls will cause a leak if we
|
|
// don't free ourselves here
|
|
|
|
//ENTERCRITICAL;
|
|
|
|
TraceMsg(DM_UEMTRACE, "bui.cua_cu: cleaning up");
|
|
|
|
UEMEnableTimer(0);
|
|
|
|
// free cache (and make sure we'll GPF if we party on it further)
|
|
for (i = 0; i < UEMIND_NSTANDARD + UEMIND_NINSTR; i++) {
|
|
// UEMIND_SHELL, UEMIND_BROWSER, UEMIND_SHELL2, UEMIND_BROWSER2
|
|
InterlockedExchangePointer((void**) &g_uempDbLog[i], (LPVOID) -1);
|
|
}
|
|
|
|
// free 'real' guy
|
|
CEMDBLog_CleanUp();
|
|
|
|
// free THIS
|
|
if (pUa = (IUnknown *)InterlockedExchangePointer((void**) &g_uempUaSingleton, (LPVOID) -1)) {
|
|
delete SAFECAST(pUa, CUserAssist *);
|
|
}
|
|
|
|
//LEAVECRITICAL;
|
|
}
|
|
|
|
DWORD Reg_GetFlags(DWORD dwInit, HKEY hk, LPCTSTR pszSubkey, LPCTSTR const pszNameTab[], DWORD *dwMaskTab, int cTab)
|
|
{
|
|
int i;
|
|
DWORD dwMasks, dwVals;
|
|
|
|
dwMasks = dwVals = 0;
|
|
for (i = 0; i < cTab; i++) {
|
|
DWORD dwData, cbSize = SIZEOF(dwData);
|
|
if (SHGetValue(hk, pszSubkey, pszNameTab[i], NULL, &dwData, &cbSize) == ERROR_SUCCESS) {
|
|
TraceMsg(DM_UEMTRACE, "ua: regkey %s\\%s=0x%x", pszSubkey, pszNameTab[i], dwData);
|
|
dwMasks |= dwMaskTab[i];
|
|
if (dwData)
|
|
dwVals |= dwMaskTab[i];
|
|
}
|
|
}
|
|
dwInit = BIT_ASSIGN(dwInit, dwMasks, dwVals);
|
|
TraceMsg(DM_UEMTRACE, "ua.grs: ret 0x%x", dwInit);
|
|
return dwInit;
|
|
}
|
|
|
|
void Reg_GetVals(HKEY hk, LPCTSTR pszSubkey, LPCTSTR const pszNameTab[], DWORD **dwValTab, int cTab)
|
|
{
|
|
for (int i = 0; i < cTab; i++) {
|
|
DWORD dwData, cbSize = SIZEOF(dwData);
|
|
if (SHGetValue(hk, pszSubkey, pszNameTab[i], NULL, &dwData, &cbSize) == ERROR_SUCCESS) {
|
|
TraceMsg(DM_UEMTRACE, "ua: regkey %s/%s=0x%x", pszSubkey, pszNameTab[i], dwData);
|
|
*dwValTab[i] = dwData;
|
|
}
|
|
}
|
|
}
|
|
|
|
void GetUEMSettings()
|
|
{
|
|
HKEY hk = SHGetShellKey(SHELLKEY_HKCU_EXPLORER, NULL, FALSE);
|
|
if (hk)
|
|
{
|
|
static const LPCTSTR pszName1Tab[] = {
|
|
SZ_NOPURGE , SZ_BACKUP , SZ_NOLOG , SZ_INSTRUMENT, SZ_NOENCRYPT,
|
|
};
|
|
static DWORD dwMask1Tab[] = {
|
|
UAXF_NOPURGE, UAXF_BACKUP, UAAF_NOLOG, UAAF_INSTR , UAXF_NOENCRYPT,
|
|
};
|
|
static const LPCTSTR pszName2Tab[] = { SZ_SESSTIME, SZ_IDLETIME , SZ_CLEANTIME, };
|
|
static DWORD *dwVal2Tab[] = { &g_dSessTime, &g_dIdleTime, &g_dCleanSess,};
|
|
|
|
g_uemdwFlags = Reg_GetFlags(g_uemdwFlags, hk, SZ_UASSIST TEXT("\\") SZ_SETTINGS, pszName1Tab, dwMask1Tab, ARRAYSIZE(pszName1Tab));
|
|
|
|
TraceMsg(DM_UEMTRACE, "ua: g_uemdwFlags=0x%x", g_uemdwFlags);
|
|
|
|
Reg_GetVals(hk, SZ_UASSIST TEXT("\\") SZ_SETTINGS, pszName2Tab, dwVal2Tab, ARRAYSIZE(pszName2Tab));
|
|
if (!((int)UAS_SESSMIN <= (int)g_dSessTime /*&& g_dSessTime<=UAS_SESSMAX*/))
|
|
g_dSessTime = UAS_SESSTIME;
|
|
if (!((int)UAS_IDLEMIN <= (int)g_dIdleTime /*&& g_dIdleTime<=UAS_IDLEMAX*/))
|
|
g_dIdleTime = UAS_IDLETIME;
|
|
|
|
RegCloseKey(hk);
|
|
}
|
|
|
|
if (SHRestricted2(REST_NoUserAssist, NULL, 0)) {
|
|
TraceMsg(DM_WARNING, "ua: restrict off!");
|
|
g_uemdwFlags |= UAAF_NOLOG;
|
|
g_uemdwFlags &= ~UAAF_INSTR; // paranoia (UAAF_NOLOG should be enuf)
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
if (g_uemdwFlags & UAAF_NOLOG)
|
|
TraceMsg(DM_WARNING, "ua: logging off!");
|
|
#endif
|
|
|
|
return;
|
|
}
|
|
|
|
CUserAssist::CUserAssist() : _cRef(1)
|
|
{
|
|
return;
|
|
}
|
|
|
|
//***
|
|
// NOTES
|
|
// n.b. we're only called on DLL_PROCESS_DETACH (refcnt never really
|
|
// goes to 0).
|
|
CUserAssist::~CUserAssist()
|
|
{
|
|
if (_hLock)
|
|
CloseHandle(_hLock);
|
|
#if 1 // 981022 breadcrumbs for stress failure (see if we're double freed)
|
|
//memcpy((BYTE *)_hLock, "CUAd", 4);
|
|
_hLock = (void *)0x77777777;
|
|
#endif
|
|
|
|
return;
|
|
}
|
|
|
|
// }
|
|
|
|
//*** CUserAssist::IUnknown::* {
|
|
|
|
ULONG CUserAssist::AddRef()
|
|
{
|
|
ULONG cRef = InterlockedIncrement(&_cRef);
|
|
TraceMsg(DM_UEMTRACE2, "cua.ar: _cRef=%d", cRef);
|
|
return cRef;
|
|
}
|
|
|
|
ULONG CUserAssist::Release()
|
|
{
|
|
ASSERT( 0 != _cRef );
|
|
ULONG cRef = InterlockedDecrement(&_cRef);
|
|
if ( 0 == cRef )
|
|
{
|
|
delete this;
|
|
}
|
|
TraceMsg(DM_UEMTRACE2, "cua.r: cRef=%d", cRef);
|
|
return cRef;
|
|
}
|
|
|
|
HRESULT CUserAssist::QueryInterface(REFIID riid, void **ppvObj)
|
|
{
|
|
static const QITAB qit[] = {
|
|
QITABENT(CUserAssist, IUserAssist), // IID_IUserAssist
|
|
{ 0 },
|
|
};
|
|
|
|
return QISearch(this, qit, riid, ppvObj);
|
|
}
|
|
|
|
// }
|
|
|
|
//*** locking stuff {
|
|
|
|
HRESULT CUserAssist::_InitLock()
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
if ((_hLock = CreateMutex(NULL, FALSE, SZ_UALOCK)) == NULL) {
|
|
TraceMsg(TF_ERROR, "cua.i: no mutex");
|
|
hr = E_FAIL;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
#define LOCK_TIMEOUT 0 // immediate timeout, should be rare
|
|
|
|
HRESULT CUserAssist::_Lock()
|
|
{
|
|
DWORD dwRes;
|
|
|
|
dwRes = WaitForSingleObject(_hLock, LOCK_TIMEOUT);
|
|
switch (dwRes) {
|
|
case WAIT_ABANDONED:
|
|
return S_FALSE;
|
|
|
|
case WAIT_OBJECT_0:
|
|
return S_OK;
|
|
|
|
case WAIT_TIMEOUT:
|
|
TraceMsg(DM_UEMTRACE, "cua.l: locked (timeout)");
|
|
return E_FAIL;
|
|
}
|
|
/*NOTREACHED*/
|
|
return E_FAIL;
|
|
}
|
|
|
|
HRESULT CUserAssist::_Unlock()
|
|
{
|
|
ReleaseMutex(_hLock);
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
// }
|
|
|
|
//*** timer stuff {
|
|
|
|
DWORD_PTR g_idTimer;
|
|
BOOL g_fIdle /*=FALSE*/;
|
|
|
|
#if !(_WIN32_WINNT >= 0x0500) // {
|
|
|
|
#define GetLastInputInfo UEMGetLastInputInfo
|
|
|
|
typedef struct {
|
|
UINT cbSize;
|
|
DWORD dwTime;
|
|
} LASTINPUTINFO;
|
|
|
|
DWORD g_dwTime; // prev GetTickCount
|
|
int g_csKeys; // prev GetKeyboardState
|
|
int g_csCursor; // prev GetCursorPos
|
|
|
|
BOOL (*g_pfnGLII)(LASTINPUTINFO *plii); // 'real' version
|
|
|
|
//*** memsum -- checksum bytes
|
|
//
|
|
int memsum(void *pv, int n)
|
|
{
|
|
unsigned char *pb = (unsigned char *)pv;
|
|
int sum = 0;
|
|
|
|
while (n-- > 0)
|
|
sum += *pb++;
|
|
|
|
return sum;
|
|
}
|
|
|
|
//*** UEMGetLastInputInfo -- simulate (sort of...) GetLastInputInfo
|
|
// DESCRIPTION
|
|
// we fake it big time. our detection of 'currently non-idle' is pretty
|
|
// good, but the the actual *time* we were idle is pretty iffy. each time
|
|
// we're called defines a checkpoint. any time the new checkpoint differs
|
|
// from the old one, we update our (approx) idle start point.
|
|
BOOL UEMGetLastInputInfo(LASTINPUTINFO *plii)
|
|
{
|
|
int csCursor, csKeys;
|
|
POINT ptCursor;
|
|
BYTE ksKeys[256]; // per GetKeyboardState spec
|
|
|
|
if (g_dwTime == 0) {
|
|
// 1st time here...
|
|
g_dwTime = GetTickCount();
|
|
g_csCursor = g_csKeys = -1;
|
|
// GetProcAddress only accepts ANSI.
|
|
*(FARPROC *)&g_pfnGLII = GetProcAddress(GetModuleHandle(TEXT("user32.dll")),
|
|
"GetLastInputInfo");
|
|
TraceMsg(DM_UEMTRACE, "bui.glii: init g_dwTime=%d pfn=0x%x", g_dwTime, g_pfnGLII);
|
|
}
|
|
|
|
#if 1 // 980313 adp: off until we can test it!
|
|
// 1st try the easy (and exact) way...
|
|
if (g_pfnGLII)
|
|
return (*g_pfnGLII)(plii);
|
|
#endif
|
|
|
|
// now the hard (and approximate) way...
|
|
csCursor = csKeys = -1;
|
|
if (GetCursorPos(&ptCursor))
|
|
csCursor = memsum(&ptCursor, SIZEOF(ptCursor));
|
|
if (GetKeyboardState(ksKeys))
|
|
csKeys = memsum(ksKeys, SIZEOF(ksKeys));
|
|
|
|
if (csCursor != g_csCursor || csKeys != g_csKeys
|
|
|| (csCursor == -1 && csKeys == -1)) {
|
|
TraceMsg(DM_UEMTRACE, "bui.glli: !idle cur=0x%x cur'=%x keys=%x keys'=%x gtc(old)=%x",
|
|
g_csCursor, csCursor, g_csKeys, csKeys, g_dwTime);
|
|
g_dwTime = GetTickCount();
|
|
g_csCursor = csCursor;
|
|
g_csKeys = csKeys;
|
|
}
|
|
|
|
plii->dwTime = g_dwTime;
|
|
|
|
TraceMsg(DM_UEMTRACE, "bui.uastp: !nt5, simulate GLII()=%d", plii->dwTime);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#endif // }
|
|
|
|
LRESULT UEMSendTrayMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
//
|
|
// We may be sending a function pointer, so make sure the target window
|
|
// is in our address space.
|
|
//
|
|
// We need to revalidate that g_hwndTray really is the
|
|
// tray window, because Explorer may have crashed, and then the
|
|
// window handle got recycled into our process, and so we send
|
|
// a random message to a window that isn't what we think it is.
|
|
// (raymondc)
|
|
//
|
|
HWND hwndTray;
|
|
DWORD dwPid;
|
|
LRESULT lres;
|
|
|
|
hwndTray = GetTrayWindow();
|
|
if (IsWindow(hwndTray) &&
|
|
GetWindowThreadProcessId(hwndTray, &dwPid) &&
|
|
dwPid == GetCurrentProcessId()) {
|
|
lres = SendMessage(hwndTray, uMsg, wParam, lParam);
|
|
} else {
|
|
lres = 0;
|
|
}
|
|
return lres;
|
|
}
|
|
|
|
//***
|
|
//
|
|
// UEMTimerProc
|
|
//
|
|
// Periodically checks if the user has gone idle.
|
|
//
|
|
// Rules for session increment:
|
|
//
|
|
// No session lasts longer than g_dIdleTime units.
|
|
//
|
|
// If the user remains idle for a long time, keep bumping the
|
|
// "start of session" timer so time spent idle does not count towards
|
|
// the new session.
|
|
//
|
|
void CALLBACK UEMTimerProc(HWND hwnd, UINT uMsg, UINT idEvt, DWORD dwNow)
|
|
{
|
|
#ifdef DEBUG
|
|
static long iDepth; // make sure we don't get 2 ticks
|
|
#endif
|
|
UINT dwIdleTime; // mSec
|
|
LASTINPUTINFO lii;
|
|
|
|
ASSERT(iDepth == 0);
|
|
ASSERT(InterlockedIncrement(&iDepth) > 0);
|
|
|
|
UEMEnableTimer(0);
|
|
|
|
dwIdleTime = UATTOMSEC(g_dIdleTime); // convert to mSec's (again...)
|
|
|
|
lii.cbSize = SIZEOF(lii);
|
|
if (GetLastInputInfo(&lii)) {
|
|
DWORD dwNow = GetTickCount();
|
|
|
|
TraceMsg(DM_IDLEDETECT, "UEM.tp: now-start=%d, now-last=%d",
|
|
dwNow - g_dwSessionStart, dwNow - lii.dwTime);
|
|
|
|
if (!g_fIdle && dwNow - g_dwSessionStart >= dwIdleTime)
|
|
{
|
|
g_fIdle = TRUE;
|
|
g_dwSessionStart = dwNow;
|
|
TraceMsg(DM_IDLEDETECT, "UEM.tp: IncrementSession");
|
|
UEMFireEvent(&UEMIID_SHELL, UEME_CTLSESSION, UEMF_XEVENT, TRUE, -1);
|
|
UEMFireEvent(&UEMIID_BROWSER, UEME_CTLSESSION, UEMF_XEVENT, TRUE, -1);
|
|
UEMSendTrayMessage(TM_REFRESH, 0, 0); // RefreshStartMenu
|
|
}
|
|
|
|
//
|
|
// Get out of idle mode if the user has done anything since
|
|
// the session started. And mark the session as having started
|
|
// at the point the user did something.
|
|
//
|
|
if (dwNow - lii.dwTime < dwNow - g_dwSessionStart) {
|
|
TraceMsg(DM_IDLEDETECT, "UEM.tp: not idle; starting new session");
|
|
g_dwSessionStart = lii.dwTime;
|
|
g_fIdle = FALSE;
|
|
}
|
|
|
|
//
|
|
// Now decide how much longer before the next interesting event.
|
|
//
|
|
DWORD dwWait = g_fIdle ? dwIdleTime : dwIdleTime - (dwNow - g_dwSessionStart);
|
|
|
|
TraceMsg(DM_UEMTRACE, "UEM.tp: sleep=%d", dwWait);
|
|
UEMEnableTimer(dwWait);
|
|
}
|
|
//else timer left disabled
|
|
|
|
ASSERT(InterlockedDecrement(&iDepth) == 0);
|
|
return;
|
|
}
|
|
|
|
//*** UEMEnableTimer -- turn timer on/off
|
|
// ENTRY
|
|
// uTimeout delay in mSec; 0 means disable
|
|
void UEMEnableTimer(UINT uTimeout)
|
|
{
|
|
#if !(_WIN32_WINNT >= 0x0500)
|
|
static BOOL fVirg = TRUE; // 1st time thru?
|
|
|
|
if (fVirg) {
|
|
LASTINPUTINFO lii;
|
|
|
|
fVirg = FALSE;
|
|
|
|
lii.cbSize = SIZEOF(lii);
|
|
GetLastInputInfo(&lii); // prime it in case it's simulated
|
|
}
|
|
#endif
|
|
|
|
if (uTimeout) {
|
|
// ASSERT(!g_idTimer); // race window can hit this assert spuriously
|
|
g_idTimer = UEMSendTrayMessage(TM_SETTIMER, uTimeout, (LPARAM)UEMTimerProc);
|
|
}
|
|
else if (g_idTimer) {
|
|
UEMSendTrayMessage(TM_KILLTIMER, 0, g_idTimer);
|
|
g_idTimer = 0;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
// }
|
|
|
|
// }
|
|
|
|
//*** utils {
|
|
|
|
//*** FAST_IsEqualIID -- fast compare
|
|
// (cast to 'int' so don't get overloaded ==)
|
|
#define FAST_IsEqualIID(piid1, piid2) ((int) (piid1) == (int) (piid2))
|
|
|
|
//***
|
|
// ENTRY/EXIT
|
|
// iGuid (return) index of GUID in table, o.w. -1 if not found
|
|
// NOTES
|
|
// move to shlwapi if this is needed some place other than here.
|
|
int SHSearchIID(IID **pguidTab, int cnt, IID *pguidVal)
|
|
{
|
|
IID **pguid;
|
|
BOOL fInt;
|
|
|
|
pguid = pguidTab;
|
|
fInt = (pguidVal == 0 || pguidVal == (IID *)-1);
|
|
for (; cnt > 0; cnt--, pguid++) {
|
|
if (fInt) {
|
|
if (*pguid == pguidVal)
|
|
goto Lfound;
|
|
}
|
|
else if (IsEqualIID(**pguid, *pguidVal)) {
|
|
Lfound:
|
|
return (int)(pguid - pguidTab);
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int SHSearchInt(int *psrc, int cnt, int val)
|
|
{
|
|
int *pcur;
|
|
|
|
pcur = psrc;
|
|
for (; cnt > 0; cnt--, pcur++) {
|
|
if (*pcur == val)
|
|
return (int)(pcur - psrc);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int UEMIIDToInd(const GUID *pguidGrp)
|
|
{
|
|
int iGrp;
|
|
|
|
if (IsEqualIID(*pguidGrp, UEMIID_BROWSER))
|
|
iGrp = UEMIND_BROWSER;
|
|
else if (IsEqualIID(*pguidGrp, UEMIID_SHELL))
|
|
iGrp = UEMIND_SHELL;
|
|
else
|
|
{
|
|
ASSERT(IsEqualIID(*pguidGrp, UEMIID_NIL));
|
|
iGrp = UEMIND_SHELL;
|
|
}
|
|
|
|
return iGrp;
|
|
}
|
|
// }
|