shpolicy.c File Reference

#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <windef.h>
#include <winbase.h>
#include <shlobj.h>
#include <initguid.h>
#include <shlwapi_undoc.h>
#include <shlwapi.h>
#include <wine/debug.h>
#include "shell32_main.h"
#include "PolicyData.h"

Include dependency graph for shpolicy.c:

Go to the source code of this file.

Macros
#define	WIN32_NO_STATUS
#define	_INC_WINDOWS
#define	DEFINE_POLICY(policy, appstr, keystr)    { policy, L##appstr, L##keystr }

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (shell)
	DEFINE_GUID (GUID_Restrictions, 0xA48F1A32, 0xA340, 0x11D1, 0xBC, 0x6B, 0x00, 0xA0, 0xC9, 0x03, 0x12, 0xE1)
static HANDLE	SHELL_GetCachedGlobalCounter (_Inout_ HANDLE *phGlobalCounter, _In_ REFGUID rguid)
static HANDLE	SHELL_GetRestrictionsCounter (VOID)
static BOOL	SHELL_QueryRestrictionsChanged (VOID)
DWORD WINAPI	SHRestricted (RESTRICTIONS rest)
DWORD	SH32_InternalRestricted (DWORD rest)
BOOL WINAPI	SHSettingsChanged (LPCVOID unused, LPCWSTR pszKey)

Variables
static const POLICYDATA	s_PolicyTable []
HANDLE	g_hRestGlobalCounter = NULL
LONG	g_nRestCountValue = -1
DWORD	g_RestValues [_countof(s_PolicyTable)] = { 0 }

Macro Definition Documentation

_INC_WINDOWS

#define _INC_WINDOWS

Definition at line 36 of file shpolicy.c.

DEFINE_POLICY

#define DEFINE_POLICY	(		policy,
			appstr,
			keystr
	)		{ policy, L##appstr, L##keystr }

Definition at line 52 of file shpolicy.c.

WIN32_NO_STATUS

#define WIN32_NO_STATUS

Definition at line 35 of file shpolicy.c.

Function Documentation

DEFINE_GUID()

DEFINE_GUID	(	GUID_Restrictions	,
		0xA48F1A32	,
		0xA340	,
		0x11D1	,
		0xBC	,
		0x6B	,
		0x00	,
		0xA0	,
		0xC9	,
		0x03	,
		0x12	,
		0xE1
	)

SH32_InternalRestricted()

DWORD SH32_InternalRestricted

(

DWORD

rest

)

Definition at line 180 of file shpolicy.c.

{
    /* assert((rest & 0x00060000) == 0x00060000) */
    return SHRestricted(rest);
}

Referenced by TryShellExecuteHooks().

SHELL_GetCachedGlobalCounter()

static HANDLE SHELL_GetCachedGlobalCounter ( _Inout_ HANDLE *  phGlobalCounter, _In_ REFGUID  rguid  )

static

Definition at line 102 of file shpolicy.c.

{
    HANDLE hGlobalCounter;
    if (*phGlobalCounter)
        return *phGlobalCounter;
    hGlobalCounter = SHGlobalCounterCreate(rguid);
    if (InterlockedCompareExchangePointer(phGlobalCounter, hGlobalCounter, NULL))
        CloseHandle(hGlobalCounter);
    return *phGlobalCounter;
}

Referenced by SHELL_GetRestrictionsCounter().

SHELL_GetRestrictionsCounter()

static HANDLE SHELL_GetRestrictionsCounter ( VOID  )

static

Definition at line 123 of file shpolicy.c.

{
    return SHELL_GetCachedGlobalCounter(&g_hRestGlobalCounter, &GUID_Restrictions);
}

Referenced by SHELL_QueryRestrictionsChanged(), and SHSettingsChanged().

SHELL_QueryRestrictionsChanged()

static BOOL SHELL_QueryRestrictionsChanged ( VOID  )

static

Definition at line 135 of file shpolicy.c.

{
    LONG Value = SHGlobalCounterGetValue(SHELL_GetRestrictionsCounter());
    if (g_nRestCountValue == Value)
        return FALSE;
 
    g_nRestCountValue = Value;
    return TRUE;
}

Referenced by SHRestricted().

SHRestricted()

DWORD WINAPI SHRestricted

(

RESTRICTIONS

rest

)

Definition at line 166 of file shpolicy.c.

{
    TRACE("(0x%08lX)\n", rest);
 
    /* If restrictions from registry have changed, reset all cached values to SHELL_NO_POLICY */
    if (SHELL_QueryRestrictionsChanged())
    {
        FillMemory(&g_RestValues, sizeof(g_RestValues), 0xFF);
        SH32_RestrictionsChanged();
    }
 
    return SHRestrictionLookup(rest, NULL, s_PolicyTable, g_RestValues);
}

Referenced by CStartMenuSettingsPage::_UpdateDialog(), AddCustomItem(), SettingsMenu::AddEntries(), BrowseMenu::AddEntries(), SearchMenu::AddEntries(), CStartMenuBtnCtxMenu::AddStartContextMenuItems(), CDefaultContextMenu::AddStaticContextMenusToMenu(), CStartMenuSite::AppendMenu(), CShellMenuCallback::CreateRecentMenu(), CustomizeClassic_OnOK(), FileTypesDlg_Initialize(), GeneralDlg_StoreToUI(), CRecycleBin::GetAttributesOf(), GetHideClock(), CTrayWindow::HandleCommand(), COpenWithDialog::Init(), DesktopBar::Init(), StartMenuRoot::Init(), CDrivesFolder::MessageSFVCB(), CDefView::OnCommand(), CTrayWindow::OnContextMenu(), CTrayWindow::OnCreate(), CNotifySettingsPage::OnInitDialog(), CDesktopBrowser::OnSaveState(), CTrayWindow::OnSysChar(), CTrayBandSite::ProcessMessage(), ProcessStartupItems(), CRecycleBin::QueryContextMenu(), CTrayWindowCtxMenu::QueryContextMenu(), NotifyArea::read_config(), CTrayWindow::SaveState(), CShellBrowser::SaveViewState(), SH32_InternalRestricted(), SHAddToRecentDocs(), SHELL_BuildDisplayMachineName(), SHFindFiles(), and StartMenuRoot::StartMenuRoot().

SHSettingsChanged()

BOOL WINAPI SHSettingsChanged	(	LPCVOID	unused,
		LPCWSTR	pszKey
	)

Definition at line 203 of file shpolicy.c.

{
    TRACE("(%p, %s)\n", unused, debugstr_w(pszKey));
 
    if (pszKey &&
        lstrcmpiW(L"Policy", pszKey) != 0 &&
        lstrcmpiW(L"Software\\Microsoft\\Windows\\CurrentVersion\\Policies", pszKey) != 0)
    {
        return FALSE;
    }
 
    return SHGlobalCounterIncrement(SHELL_GetRestrictionsCounter());
}

Referenced by CDesktopBrowser::OnSettingChange(), and ViewDlg_Apply().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

shell

)

Variable Documentation

g_hRestGlobalCounter

HANDLE g_hRestGlobalCounter = NULL

Definition at line 66 of file shpolicy.c.

Referenced by SHELL_GetRestrictionsCounter().

g_nRestCountValue

LONG g_nRestCountValue = -1

Definition at line 67 of file shpolicy.c.

Referenced by SHELL_QueryRestrictionsChanged().

g_RestValues

DWORD g_RestValues[_countof(s_PolicyTable)] = { 0 }

Definition at line 68 of file shpolicy.c.

Referenced by SHRestricted().

s_PolicyTable

const POLICYDATA s_PolicyTable[]

static

Initial value:

=
{
    { 0, NULL, NULL }
}

Definition at line 55 of file shpolicy.c.

Referenced by SHRestricted().