shpolicy.c

winNT技术操作系统,国外开放的原代码和LIUX一样

    strNoSetActiveDesktop,
    SHELL_NO_POLICY
  },
  {
    REST_NOUPDATEWINDOWS,
    strExplorer,
    strNoWindowsUpdate,
    SHELL_NO_POLICY
  },
  {
    REST_NOCHANGESTARMENU,
    strExplorer,
    strNoChangeStartMenu,
    SHELL_NO_POLICY
  },
  {
    REST_NOFOLDEROPTIONS,
    strExplorer,
    strNoFolderOptions,
    SHELL_NO_POLICY
  },
  {
    REST_HASFINDCOMPUTERS,
    strExplorer,
    "FindComputers",
    SHELL_NO_POLICY
  },
  {
    REST_INTELLIMENUS,
    strExplorer,
    "IntelliMenus",
    SHELL_NO_POLICY
  },
  {
    REST_RUNDLGMEMCHECKBOX,
    strExplorer,
    "MemCheckBoxInRunDlg",
    SHELL_NO_POLICY
  },
  {
    REST_ARP_ShowPostSetup,
    strAddRemoveProgs,
    "ShowPostSetup",
    SHELL_NO_POLICY
  },
  {
    REST_NOCSC,
    strExplorer,
    "NoSyncAll",
    SHELL_NO_POLICY
  },
  {
    REST_NOCONTROLPANEL,
    strExplorer,
    "NoControlPanel",
    SHELL_NO_POLICY
  },
  {
    REST_ENUMWORKGROUP,
    strExplorer,
    "EnumWorkgroup",
    SHELL_NO_POLICY
  },
  {
    REST_ARP_NOARP,
    strAddRemoveProgs,
    "NoAddRemovePrograms",
    SHELL_NO_POLICY
  },
  {
    REST_ARP_NOREMOVEPAGE,
    strAddRemoveProgs,
    "NoRemovePage",
    SHELL_NO_POLICY
  },
  {
    REST_ARP_NOADDPAGE,
    strAddRemoveProgs,
    "NoAddPage",
    SHELL_NO_POLICY
  },
  {
    REST_ARP_NOWINSETUPPAGE,
    strAddRemoveProgs,
    "NoWindowsSetupPage",
    SHELL_NO_POLICY
  },
  {
    REST_GREYMSIADS,
    strExplorer,
    "",
    SHELL_NO_POLICY
  },
  {
    REST_NOCHANGEMAPPEDDRIVELABEL,
    strExplorer,
    "NoChangeMappedDriveLabel",
    SHELL_NO_POLICY
  },
  {
    REST_NOCHANGEMAPPEDDRIVECOMMENT,
    strExplorer,
    "NoChangeMappedDriveComment",
    SHELL_NO_POLICY
  },
  {
    REST_MaxRecentDocs,
    strExplorer,
    "MaxRecentDocs",
    SHELL_NO_POLICY
  },
  {
    REST_NONETWORKCONNECTIONS,
    strExplorer,
    "NoNetworkConnections",
    SHELL_NO_POLICY
  },
  {
    REST_FORCESTARTMENULOGOFF,
    strExplorer,
    "ForceStartMenuLogoff",
    SHELL_NO_POLICY
  },
  {
    REST_NOWEBVIEW,
    strExplorer,
     "NoWebView",
    SHELL_NO_POLICY
  },
  {
    REST_NOCUSTOMIZETHISFOLDER,
    strExplorer,
    "NoCustomizeThisFolder",
    SHELL_NO_POLICY
  },
  {
    REST_NOENCRYPTION,
    strExplorer,
    "NoEncryption",
    SHELL_NO_POLICY
  },
  {
    REST_ALLOWFRENCHENCRYPTION,
    strExplorer,
    "AllowFrenchEncryption",
    SHELL_NO_POLICY
  },
  {
    REST_DONTSHOWSUPERHIDDEN,
    strExplorer,
    "DontShowSuperHidden",
    SHELL_NO_POLICY
  },
  {
    REST_NOSHELLSEARCHBUTTON,
    strExplorer,
    "NoShellSearchButton",
    SHELL_NO_POLICY
  },
  {
    REST_NOHARDWARETAB,
    strExplorer,
    "NoHardwareTab",
    SHELL_NO_POLICY
  },
  {
    REST_NORUNASINSTALLPROMPT,
    strExplorer,
    "NoRunasInstallPrompt",
    SHELL_NO_POLICY
  },
  {
    REST_PROMPTRUNASINSTALLNETPATH,
    strExplorer,
    "PromptRunasInstallNetPath",
    SHELL_NO_POLICY
  },
  {
    REST_NOMANAGEMYCOMPUTERVERB,
    strExplorer,
    "NoManageMyComputerVerb",
    SHELL_NO_POLICY
  },
  {
    REST_NORECENTDOCSNETHOOD,
    strExplorer,
    "NoRecentDocsNetHood",
    SHELL_NO_POLICY
  },
  {
    REST_DISALLOWRUN,
    strExplorer,
    "DisallowRun",
    SHELL_NO_POLICY
  },
  {
    REST_NOWELCOMESCREEN,
    strExplorer,
    "NoWelcomeScreen",
    SHELL_NO_POLICY
  },
  {
    REST_RESTRICTCPL,
    strExplorer,
    "RestrictCpl",
    SHELL_NO_POLICY
  },
  {
    REST_DISALLOWCPL,
    strExplorer,
    "DisallowCpl",
    SHELL_NO_POLICY
  },
  {
    REST_NOSMBALLOONTIP,
    strExplorer,
    "NoSMBalloonTip",
    SHELL_NO_POLICY
  },
  {
    REST_NOSMHELP,
    strExplorer,
    "NoSMHelp",
    SHELL_NO_POLICY
  },
  {
    REST_NOWINKEYS,
    strExplorer,
    "NoWinKeys",
    SHELL_NO_POLICY
  },
  {
    REST_NOENCRYPTONMOVE,
    strExplorer,
    "NoEncryptOnMove",
    SHELL_NO_POLICY
  },
  {
    REST_NOLOCALMACHINERUN,
    strExplorer,
    "DisableLocalMachineRun",
    SHELL_NO_POLICY
  },
  {
    REST_NOCURRENTUSERRUN,
    strExplorer,
    "DisableCurrentUserRun",
    SHELL_NO_POLICY
  },
  {
    REST_NOLOCALMACHINERUNONCE,
    strExplorer,
    "DisableLocalMachineRunOnce",
    SHELL_NO_POLICY
  },
  {
    REST_NOCURRENTUSERRUNONCE,
    strExplorer,
    "DisableCurrentUserRunOnce",
    SHELL_NO_POLICY
  },
  {
    REST_FORCEACTIVEDESKTOPON,
    strExplorer,
    "ForceActiveDesktopOn",
    SHELL_NO_POLICY
  },
  {
    REST_NOCOMPUTERSNEARME,
    strExplorer,
    "NoComputersNearMe",
    SHELL_NO_POLICY
  },
  {
    REST_NOVIEWONDRIVE,
    strExplorer,
    "NoViewOnDrive",
    SHELL_NO_POLICY
  },
  {
    REST_NONETCRAWL,
    strExplorer,
    "NoNetCrawl",
    SHELL_NO_POLICY
  },
  {
    REST_NOSHAREDDOCUMENTS,
    strExplorer,
    "NoSharedDocs",
    SHELL_NO_POLICY
  },
  {
    REST_NOSMMYDOCS,
    strExplorer,
    "NoSMMyDocs",
    SHELL_NO_POLICY
  },
/* 0x4000050 - 0x4000060 */
  {
    REST_NONLEGACYSHELLMODE,
    strExplorer,
    "NoneLegacyShellMode",
    SHELL_NO_POLICY
  },
  {
    REST_STARTRUNNOHOMEPATH,
    strExplorer,
    "StartRunNoHOMEPATH",
    SHELL_NO_POLICY
  },
/* 0x4000061 - 0x4000086 */
  {
    REST_NODISCONNECT,
    strExplorer,
    "NoDisconnect",
    SHELL_NO_POLICY
  },
  {
    REST_NOSECURITY,
    strExplorer,
    "NoNTSecurity",
    SHELL_NO_POLICY
  },
  {
    REST_NOFILEASSOCIATE,
    strExplorer,
    "NoFileAssociate",
    SHELL_NO_POLICY
  },
  {
    0x50000024,
    strExplorer,
    strNoFileURL,
    SHELL_NO_POLICY
  },
  {
    0,
    0,
    0,
    SHELL_NO_POLICY
	}
};

/*************************************************************************
 * SHRestricted				 [SHELL32.100]
 *
 * Get the value associated with a policy Id.
 *
 * PARAMS
 *     pol [I] Policy Id
 *
 * RETURNS
 *     The queried value for the policy.
 *
 * NOTES
 *     Exported by ordinal.
 *     This function caches the retrieved values to prevent unnecessary registry access,
 *     if SHInitRestricted() was previously called.
 *
 * REFERENCES
 *     a: MS System Policy Editor.
 *     b: 98Lite 2.0 (which uses many of these policy keys) http://www.98lite.net/
 *     c: 'The Windows 95 Registry', by John Woram, 1996 MIS: Press
 */
DWORD WINAPI SHRestricted (RESTRICTIONS policy)
{
	char regstr[256];
	HKEY    xhkey;
	DWORD   retval, datsize = 4;
	LPPOLICYDATA p;

	TRACE("(%08x)\n", policy);

	/* scan to see if we know this policy ID */
	for (p = sh32_policy_table; p->policy; p++)
	{
	  if (policy == p->policy)
	  {
	    break;
	  }
	}

	if (p->policy == 0)
	{
	    /* we don't know this policy, return 0 */
	    TRACE("unknown policy: (%08x)\n", policy);
		return 0;
	}

	/* we have a known policy */

	/* first check if this policy has been cached, return it if so */
	if (p->cache != SHELL_NO_POLICY)
	{
	    return p->cache;
	}

	lstrcpyA(regstr, strRegistryPolicyA);
	lstrcatA(regstr, p->appstr);

	/* return 0 and don't set the cache if any registry errors occur */
	retval = 0;
	if (RegOpenKeyA(HKEY_CURRENT_USER, regstr, &xhkey) == ERROR_SUCCESS)
	{
	  if (RegQueryValueExA(xhkey, p->keystr, NULL, NULL, (LPBYTE)&retval, &datsize) == ERROR_SUCCESS)
	  {
	    p->cache = retval;
	  }
	  RegCloseKey(xhkey);
	}
	return retval;
}

/*************************************************************************
 * SHInitRestricted          [SHELL32.244]
 *
 * Initialise the policy cache to speed up calls to SHRestricted().
 *
 * PARAMS
 *  unused    [I] Reserved.
 *  inpRegKey [I] Registry key to scan.
 *
 * RETURNS
 *  Success: -1. The policy cache is initialised.
 *  Failure: 0, if inpRegKey is any value other than NULL, "Policy", or
 *           "Software\Microsoft\Windows\CurrentVersion\Policies".
 *
 * NOTES
 *  Exported by ordinal. Introduced in Win98.
 */
BOOL WINAPI SHInitRestricted(LPCVOID unused, LPCVOID inpRegKey)
{
	TRACE("(%p, %p)\n", unused, inpRegKey);

	/* first check - if input is non-NULL and points to the secret
	   key string, then pass. Otherwise return 0.
	 */
	if (inpRegKey != NULL)
	{
	  if (SHELL_OsIsUnicode())
	  {
	    if (lstrcmpiW((LPCWSTR)inpRegKey, strRegistryPolicyW) &&
	        lstrcmpiW((LPCWSTR)inpRegKey, strPolicyW))
	      /* doesn't match, fail */
	      return 0;
	  }
	  else
	  {
	    if (lstrcmpiA((LPCSTR)inpRegKey, strRegistryPolicyA) &&
	        lstrcmpiA((LPCSTR)inpRegKey, strPolicyA))
	      /* doesn't match, fail */
	      return 0;
	  }
	}

	return TRUE;
}