/* * shpolicy.c - Data for shell/system policies. * * Copyright 1999 Ian Schmidt <ischmidt@cfl.rr.com> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * NOTES: * * Some of these policies can be tweaked via the System Policy * Editor which came with the Win95 Migration Guide, although * there doesn't appear to be an updated Win98 version that * would handle the many new policies introduced since then. * You could easily write one with the information in * this file... * * Up to date as of SHELL32 v4.72 (Win98, Win95 with MSIE 5) */ #include <stdlib.h> #include <string.h> #include "windef.h" #include "winerror.h" #include "winreg.h" #include "undocshell.h" #include "wine/winuser16.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(shell); #define SHELL_MAX_POLICIES 57 #define SHELL_NO_POLICY 0xffffffff typedef struct tagPOLICYDAT { DWORD polflags; /* flags value passed to SHRestricted */ LPSTR appstr; /* application str such as "Explorer" */ LPSTR keystr; /* name of the actual registry key / policy */ DWORD cache; /* cached value or 0xffffffff for invalid */ } POLICYDATA, *LPPOLICYDATA; #if 0 extern POLICYDATA sh32_policy_table[SHELL_MAX_POLICIES]; #endif /* application strings */ static char strExplorer[] = {"Explorer"}; static char strActiveDesk[] = {"ActiveDesktop"}; static char strWinOldApp[] = {"WinOldApp"}; /* key strings */ static char strNoFileURL[] = {"NoFileUrl"}; static char strNoFolderOptions[] = {"NoFolderOptions"}; static char strNoChangeStartMenu[] = {"NoChangeStartMenu"}; static char strNoWindowsUpdate[] = {"NoWindowsUpdate"}; static char strNoSetActiveDesktop[] = {"NoSetActiveDesktop"}; static char strNoForgetSoftwareUpdate[] = {"NoForgetSoftwareUpdate"}; static char strNoMSAppLogo[] = {"NoMSAppLogo5ChannelNotify"}; static char strForceCopyACLW[] = {"ForceCopyACLWithFile"}; static char strNoResolveTrk[] = {"NoResolveTrack"}; static char strNoResolveSearch[] = {"NoResolveSearch"}; static char strNoEditComponent[] = {"NoEditingComponents"}; static char strNoMovingBand[] = {"NoMovingBands"}; static char strNoCloseDragDrop[] = {"NoCloseDragDropBands"}; static char strNoCloseComponent[] = {"NoClosingComponents"}; static char strNoDelComponent[] = {"NoDeletingComponents"}; static char strNoAddComponent[] = {"NoAddingComponents"}; static char strNoComponent[] = {"NoComponents"}; static char strNoChangeWallpaper[] = {"NoChangingWallpaper"}; static char strNoHTMLWallpaper[] = {"NoHTMLWallpaper"}; static char strNoCustomWebView[] = {"NoCustomizeWebView"}; static char strClassicShell[] = {"ClassicShell"}; static char strClearRecentDocs[] = {"ClearRecentDocsOnExit"}; static char strNoFavoritesMenu[] = {"NoFavoritesMenu"}; static char strNoActiveDesktopChanges[] = {"NoActiveDesktopChanges"}; static char strNoActiveDesktop[] = {"NoActiveDesktop"}; static char strNoRecentDocMenu[] = {"NoRecentDocsMenu"}; static char strNoRecentDocHistory[] = {"NoRecentDocsHistory"}; static char strNoInetIcon[] = {"NoInternetIcon"}; static char strNoStngsWizard[] = {"NoSettingsWizards"}; static char strNoLogoff[] = {"NoLogoff"}; static char strNoNetConDis[] = {"NoNetConnectDisconnect"}; static char strNoContextMenu[] = {"NoViewContextMenu"}; static char strNoTryContextMenu[] = {"NoTrayContextMenu"}; static char strNoWebMenu[] = {"NoWebMenu"}; static char strLnkResolveIgnoreLnkInfo[] = {"LinkResolveIgnoreLinkInfo"}; static char strNoCommonGroups[] = {"NoCommonGroups"}; static char strEnforceShlExtSecurity[] = {"EnforceShellExtensionSecurity"}; static char strNoRealMode[] = {"NoRealMode"}; static char strMyDocsOnNet[] = {"MyDocsOnNet"}; static char strNoStartMenuSubfolder[] = {"NoStartMenuSubFolders"}; static char strNoAddPrinters[] = {"NoAddPrinter"}; static char strNoDeletePrinters[] = {"NoDeletePrinter"}; static char strNoPrintTab[] = {"NoPrinterTabs"}; static char strRestrictRun[] = {"RestrictRun"}; static char strNoStartBanner[] = {"NoStartBanner"}; static char strNoNetworkNeighborhood[] = {"NoNetHood"}; static char strNoDriveTypeAtRun[] = {"NoDriveTypeAutoRun"}; static char strNoDrivesAutoRun[] = {"NoDriveAutoRun"}; static char strNoDrives[] = {"NoDrives"}; static char strNoFind[] = {"NoFind"}; static char strNoDesktop[] = {"NoDesktop"}; static char strNoSetTaskBar[] = {"NoSetTaskbar"}; static char strNoSetFld[] = {"NoSetFolders"}; static char strNoFileMenu[] = {"NoFileMenu"}; static char strNoSavSetng[] = {"NoSaveSettings"}; static char strNoClose[] = {"NoClose"}; static char strNoRun[] = {"NoRun"}; /* policy data array */ POLICYDATA sh32_policy_table[] = { { 0x1, strExplorer, strNoRun, SHELL_NO_POLICY }, { 0x2, strExplorer, strNoClose, SHELL_NO_POLICY }, { 0x4, strExplorer, strNoSavSetng, SHELL_NO_POLICY }, { 0x8, strExplorer, strNoFileMenu, SHELL_NO_POLICY }, { 0x10, strExplorer, strNoSetFld, SHELL_NO_POLICY }, { 0x20, strExplorer, strNoSetTaskBar, SHELL_NO_POLICY }, { 0x40, strExplorer, strNoDesktop, SHELL_NO_POLICY }, { 0x80, strExplorer, strNoFind, SHELL_NO_POLICY }, { 0x100, strExplorer, strNoDrives, SHELL_NO_POLICY }, { 0x200, strExplorer, strNoDrivesAutoRun, SHELL_NO_POLICY }, { 0x400, strExplorer, strNoDriveTypeAtRun, SHELL_NO_POLICY }, { 0x800, strExplorer, strNoNetworkNeighborhood, SHELL_NO_POLICY }, { 0x1000, strExplorer, strNoStartBanner, SHELL_NO_POLICY }, { 0x2000, strExplorer, strRestrictRun, SHELL_NO_POLICY }, { 0x4000, strExplorer, strNoPrintTab, SHELL_NO_POLICY }, { 0x8000, strExplorer, strNoDeletePrinters, SHELL_NO_POLICY }, { 0x10000, strExplorer, strNoAddPrinters, SHELL_NO_POLICY }, { 0x20000, strExplorer, strNoStartMenuSubfolder, SHELL_NO_POLICY }, { 0x40000, strExplorer, strMyDocsOnNet, SHELL_NO_POLICY }, { 0x80000, strWinOldApp, strNoRealMode, SHELL_NO_POLICY }, { 0x100000, strExplorer, strEnforceShlExtSecurity, SHELL_NO_POLICY }, { 0x200000, strExplorer, strLnkResolveIgnoreLnkInfo, SHELL_NO_POLICY }, { 0x400000, strExplorer, strNoCommonGroups, SHELL_NO_POLICY }, { 0x1000000, strExplorer, strNoWebMenu, SHELL_NO_POLICY }, { 0x2000000, strExplorer, strNoTryContextMenu, SHELL_NO_POLICY }, { 0x4000000, strExplorer, strNoContextMenu, SHELL_NO_POLICY }, { 0x8000000, strExplorer, strNoNetConDis, SHELL_NO_POLICY }, { 0x10000000, strExplorer, strNoLogoff, SHELL_NO_POLICY }, { 0x20000000, strExplorer, strNoStngsWizard, SHELL_NO_POLICY }, { 0x40000001, strExplorer, strNoInetIcon, SHELL_NO_POLICY }, { 0x40000002, strExplorer, strNoRecentDocHistory, SHELL_NO_POLICY }, { 0x40000003, strExplorer, strNoRecentDocMenu, SHELL_NO_POLICY }, { 0x40000004, strExplorer, strNoActiveDesktop, SHELL_NO_POLICY }, { 0x40000005, strExplorer, strNoActiveDesktopChanges, SHELL_NO_POLICY }, { 0x40000006, strExplorer, strNoFavoritesMenu, SHELL_NO_POLICY }, { 0x40000007, strExplorer, strClearRecentDocs, SHELL_NO_POLICY }, { 0x40000008, strExplorer, strClassicShell, SHELL_NO_POLICY }, { 0x40000009, strExplorer, strNoCustomWebView, SHELL_NO_POLICY }, { 0x40000010, strActiveDesk, strNoHTMLWallpaper, SHELL_NO_POLICY }, { 0x40000011, strActiveDesk, strNoChangeWallpaper, SHELL_NO_POLICY }, { 0x40000012, strActiveDesk, strNoComponent, SHELL_NO_POLICY }, { 0x40000013, strActiveDesk, strNoAddComponent, SHELL_NO_POLICY }, { 0x40000014, strActiveDesk, strNoDelComponent, SHELL_NO_POLICY }, { 0x40000015, strActiveDesk, strNoCloseComponent, SHELL_NO_POLICY }, { 0x40000016, strActiveDesk, strNoCloseDragDrop, SHELL_NO_POLICY }, { 0x40000017, strActiveDesk, strNoMovingBand, SHELL_NO_POLICY }, { 0x40000018, strActiveDesk, strNoEditComponent, SHELL_NO_POLICY }, { 0x40000019, strExplorer, strNoResolveSearch, SHELL_NO_POLICY }, { 0x4000001a, strExplorer, strNoResolveTrk, SHELL_NO_POLICY }, { 0x4000001b, strExplorer, strForceCopyACLW, SHELL_NO_POLICY }, { 0x4000001c, strExplorer, strNoMSAppLogo, SHELL_NO_POLICY }, { 0x4000001d, strExplorer, strNoForgetSoftwareUpdate, SHELL_NO_POLICY }, { 0x4000001e, strExplorer, strNoSetActiveDesktop, SHELL_NO_POLICY }, { 0x4000001f, strExplorer, strNoWindowsUpdate, SHELL_NO_POLICY }, { 0x40000020, strExplorer, strNoChangeStartMenu, SHELL_NO_POLICY }, { 0x40000021, strExplorer, strNoFolderOptions, SHELL_NO_POLICY }, { 0x50000024, strExplorer, strNoFileURL, SHELL_NO_POLICY } }; /************************************************************************* * SHRestricted [SHELL32.100] * * walks through policy table, queries <app> key, <type> value, returns * queried (DWORD) value, and caches it between called to SHInitRestricted * to prevent unnecessary registry access. * * NOTES * exported by ordinal * * REFERENCES: * MS System Policy Editor * 98Lite 2.0 (which uses many of these policy keys) http://www.98lite.net/ * "The Windows 95 Registry", by John Woram, 1996 MIS: Press */ DWORD WINAPI SHRestricted (DWORD pol) { char regstr[256]; HKEY xhkey; DWORD retval, polidx, i, datsize = 4; TRACE("(%08lx)\n",pol); polidx = -1; /* scan to see if we know this policy ID */ for (i = 0; i < SHELL_MAX_POLICIES; i++) { if (pol == sh32_policy_table[i].polflags) { polidx = i; break; } } if (polidx == -1) { /* we don't know this policy, return 0 */ TRACE("unknown policy: (%08lx)\n", pol); return 0; } /* we have a known policy */ strcpy(regstr, "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\"); strcat(regstr, sh32_policy_table[polidx].appstr); /* first check if this policy has been cached, return it if so */ if (sh32_policy_table[polidx].cache != SHELL_NO_POLICY) { return sh32_policy_table[polidx].cache; } /* 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, sh32_policy_table[polidx].keystr, NULL, NULL, (LPBYTE)&retval, &datsize) == ERROR_SUCCESS) { sh32_policy_table[polidx].cache = retval; } RegCloseKey(xhkey); } return retval; } /************************************************************************* * SHInitRestricted [SHELL32.244] * * Win98+ by-ordinal only routine called by Explorer and MSIE 4 and 5. * Inits the policy cache used by SHRestricted to avoid excess * registry access. * * INPUTS * Two inputs: one is a string or NULL. If non-NULL the pointer * should point to a string containing the following exact text: * "Software\Microsoft\Windows\CurrentVersion\Policies". * The other input is unused. * * NOTES * If the input is non-NULL and does not point to a string containing * that exact text the routine will do nothing. * * If the text does match or the pointer is NULL, then the routine * will init SHRestricted()'s policy cache to all 0xffffffff and * returns 0xffffffff as well. * * I haven't yet run into anything calling this with inputs other than * (NULL, NULL), so I may have the inputs reversed. */ BOOL WINAPI SHInitRestricted(LPSTR inpRegKey, LPSTR parm2) { int i; TRACE("(%p, %p)\n", inpRegKey, parm2); /* first check - if input is non-NULL and points to the secret key string, then pass. Otherwise return 0. */ if (inpRegKey != (LPSTR)NULL) { if (lstrcmpiA(inpRegKey, "Software\\Microsoft\\Windows\\CurrentVersion\\Policies")) { /* doesn't match, fail */ return 0; } } /* check passed, init all policy cache entries with SHELL_NO_POLICY */ for (i = 0; i < SHELL_MAX_POLICIES; i++) { sh32_policy_table[i].cache = SHELL_NO_POLICY; } return SHELL_NO_POLICY; }