/* * shpolicy.c - Data for shell/system policies. * * Copyright 1999 Ian Schmidt * * 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 v5.00 (W2K) */ #include #include #include "windef.h" #include "winerror.h" #include "winreg.h" #include "shell32_main.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(shell); #define SHELL_NO_POLICY 0xffffffff typedef struct tagPOLICYDAT { DWORD policy; /* policy value passed to SHRestricted */ LPCSTR appstr; /* application str such as "Explorer" */ LPCSTR keystr; /* name of the actual registry key / policy */ DWORD cache; /* cached value or 0xffffffff for invalid */ } POLICYDATA, *LPPOLICYDATA; /* registry strings */ static const CHAR strRegistryPolicyA[] = "Software\\Microsoft\\Windows\\CurrentVersion\\Policies"; static const WCHAR strRegistryPolicyW[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o', 's','o','f','t','\\','W','i','n','d','o','w','s','\\', 'C','u','r','r','e','n','t','V','e','r','s','i','o','n', '\\','P','o','l','i','c','i','e','s',0}; static const CHAR strPolicyA[] = "Policy"; static const WCHAR strPolicyW[] = {'P','o','l','i','c','y',0}; /* application strings */ static const char strExplorer[] = {"Explorer"}; static const char strActiveDesk[] = {"ActiveDesktop"}; static const char strWinOldApp[] = {"WinOldApp"}; static const char strAddRemoveProgs[] = {"AddRemoveProgs"}; /* key strings */ static const char strNoFileURL[] = {"NoFileUrl"}; static const char strNoFolderOptions[] = {"NoFolderOptions"}; static const char strNoChangeStartMenu[] = {"NoChangeStartMenu"}; static const char strNoWindowsUpdate[] = {"NoWindowsUpdate"}; static const char strNoSetActiveDesktop[] = {"NoSetActiveDesktop"}; static const char strNoForgetSoftwareUpdate[] = {"NoForgetSoftwareUpdate"}; static const char strNoMSAppLogo[] = {"NoMSAppLogo5ChannelNotify"}; static const char strForceCopyACLW[] = {"ForceCopyACLWithFile"}; static const char strNoResolveTrk[] = {"NoResolveTrack"}; static const char strNoResolveSearch[] = {"NoResolveSearch"}; static const char strNoEditComponent[] = {"NoEditingComponents"}; static const char strNoMovingBand[] = {"NoMovingBands"}; static const char strNoCloseDragDrop[] = {"NoCloseDragDropBands"}; static const char strNoCloseComponent[] = {"NoClosingComponents"}; static const char strNoDelComponent[] = {"NoDeletingComponents"}; static const char strNoAddComponent[] = {"NoAddingComponents"}; static const char strNoComponent[] = {"NoComponents"}; static const char strNoChangeWallpaper[] = {"NoChangingWallpaper"}; static const char strNoHTMLWallpaper[] = {"NoHTMLWallpaper"}; static const char strNoCustomWebView[] = {"NoCustomizeWebView"}; static const char strClassicShell[] = {"ClassicShell"}; static const char strClearRecentDocs[] = {"ClearRecentDocsOnExit"}; static const char strNoFavoritesMenu[] = {"NoFavoritesMenu"}; static const char strNoActiveDesktopChanges[] = {"NoActiveDesktopChanges"}; static const char strNoActiveDesktop[] = {"NoActiveDesktop"}; static const char strNoRecentDocMenu[] = {"NoRecentDocsMenu"}; static const char strNoRecentDocHistory[] = {"NoRecentDocsHistory"}; static const char strNoInetIcon[] = {"NoInternetIcon"}; static const char strNoStngsWizard[] = {"NoSettingsWizards"}; static const char strNoLogoff[] = {"NoLogoff"}; static const char strNoNetConDis[] = {"NoNetConnectDisconnect"}; static const char strNoContextMenu[] = {"NoViewContextMenu"}; static const char strNoTryContextMenu[] = {"NoTrayContextMenu"}; static const char strNoWebMenu[] = {"NoWebMenu"}; static const char strLnkResolveIgnoreLnkInfo[] = {"LinkResolveIgnoreLinkInfo"}; static const char strNoCommonGroups[] = {"NoCommonGroups"}; static const char strEnforceShlExtSecurity[] = {"EnforceShellExtensionSecurity"}; static const char strNoRealMode[] = {"NoRealMode"}; static const char strMyDocsOnNet[] = {"MyDocsOnNet"}; static const char strNoStartMenuSubfolder[] = {"NoStartMenuSubFolders"}; static const char strNoAddPrinters[] = {"NoAddPrinter"}; static const char strNoDeletePrinters[] = {"NoDeletePrinter"}; static const char strNoPrintTab[] = {"NoPrinterTabs"}; static const char strRestrictRun[] = {"RestrictRun"}; static const char strNoStartBanner[] = {"NoStartBanner"}; static const char strNoNetworkNeighborhood[] = {"NoNetHood"}; static const char strNoDriveTypeAtRun[] = {"NoDriveTypeAutoRun"}; static const char strNoDrivesAutoRun[] = {"NoDriveAutoRun"}; static const char strNoDrives[] = {"NoDrives"}; static const char strNoFind[] = {"NoFind"}; static const char strNoDesktop[] = {"NoDesktop"}; static const char strNoSetTaskBar[] = {"NoSetTaskbar"}; static const char strNoSetFld[] = {"NoSetFolders"}; static const char strNoFileMenu[] = {"NoFileMenu"}; static const char strNoSavSetng[] = {"NoSaveSettings"}; static const char strNoClose[] = {"NoClose"}; static const 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 }, { 0x800000, strExplorer, "SeparateProcess", 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 }, { 0x40000022, strExplorer, "FindComputers", SHELL_NO_POLICY }, { 0x40000023, strExplorer, "IntelliMenus", SHELL_NO_POLICY }, { 0x40000024, strExplorer, "MemCheckBoxInRunDlg", SHELL_NO_POLICY }, { 0x40000025, strAddRemoveProgs, "ShowPostSetup", SHELL_NO_POLICY }, { 0x40000026, strExplorer, "NoSyncAll", SHELL_NO_POLICY }, { 0x40000027, strExplorer, "NoControlPanel", SHELL_NO_POLICY }, { 0x40000028, strExplorer, "EnumWorkgroup", SHELL_NO_POLICY }, { 0x40000029, strAddRemoveProgs, "NoAddRemovePrograms", SHELL_NO_POLICY }, { 0x4000002A, strAddRemoveProgs, "NoRemovePage", SHELL_NO_POLICY }, { 0x4000002B, strAddRemoveProgs, "NoAddPage", SHELL_NO_POLICY }, { 0x4000002C, strAddRemoveProgs, "NoWindowsSetupPage", SHELL_NO_POLICY }, { 0x4000002E, strExplorer, "NoChangeMappedDriveLabel", SHELL_NO_POLICY }, { 0x4000002F, strExplorer, "NoChangeMappedDriveComment", SHELL_NO_POLICY }, { 0x40000030, strExplorer, "MaxRecentDocs", SHELL_NO_POLICY }, { 0x40000031, strExplorer, "NoNetworkConnections", SHELL_NO_POLICY }, { 0x40000032, strExplorer, "ForceStartMenuLogoff", SHELL_NO_POLICY }, { 0x40000033, strExplorer, "NoWebView", SHELL_NO_POLICY }, { 0x40000034, strExplorer, "NoCustomizeThisFolder", SHELL_NO_POLICY }, { 0x40000035, strExplorer, "NoEncryption", SHELL_NO_POLICY }, { 0x40000036, strExplorer, "AllowFrenchEncryption", SHELL_NO_POLICY }, { 0x40000037, strExplorer, "DontShowSuperHidden", SHELL_NO_POLICY }, { 0x40000038, strExplorer, "NoShellSearchButton", SHELL_NO_POLICY }, { 0x40000039, strExplorer, "NoHardwareTab", SHELL_NO_POLICY }, { 0x4000003A, strExplorer, "NoRunasInstallPrompt", SHELL_NO_POLICY }, { 0x4000003B, strExplorer, "PromptRunasInstallNetPath", SHELL_NO_POLICY }, { 0x4000003C, strExplorer, "NoManageMyComputerVerb", SHELL_NO_POLICY }, { 0x4000003D, strExplorer, "NoRecentDocsNetHood", SHELL_NO_POLICY }, { 0x4000003E, strExplorer, "DisallowRun", SHELL_NO_POLICY }, { 0x4000003F, strExplorer, "NoWelcomeScreen", SHELL_NO_POLICY }, { 0x40000040, strExplorer, "RestrictCpl", SHELL_NO_POLICY }, { 0x40000041, strExplorer, "DisallowCpl", SHELL_NO_POLICY }, { 0x40000042, strExplorer, "NoSMBalloonTip", SHELL_NO_POLICY }, { 0x40000043, strExplorer, "NoSMHelp", SHELL_NO_POLICY }, { 0x40000044, strExplorer, "NoWinKeys", SHELL_NO_POLICY }, { 0x40000045, strExplorer, "NoEncryptOnMove", SHELL_NO_POLICY }, { 0x40000046, strExplorer, "DisableLocalMachineRun", SHELL_NO_POLICY }, { 0x40000047, strExplorer, "DisableCurrentUserRun", SHELL_NO_POLICY }, { 0x40000048, strExplorer, "DisableLocalMachineRunOnce", SHELL_NO_POLICY }, { 0x40000049, strExplorer, "DisableCurrentUserRunOnce", SHELL_NO_POLICY }, { 0x4000004A, strExplorer, "ForceActiveDesktopOn", SHELL_NO_POLICY }, { 0x4000004B, strExplorer, "NoComputersNearMe", SHELL_NO_POLICY }, { 0x4000004C, strExplorer, "NoViewOnDrive", SHELL_NO_POLICY }, { 0x4000004F, strExplorer, "NoSMMyDocs", SHELL_NO_POLICY }, { 0x40000061, strExplorer, "StartRunNoHOMEPATH", SHELL_NO_POLICY }, { 0x41000001, strExplorer, "NoDisconnect", SHELL_NO_POLICY }, { 0x41000002, strExplorer, "NoNTSecurity", SHELL_NO_POLICY }, { 0x41000003, strExplorer, "NoFileAssociate", 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 (DWORD policy) { char regstr[256]; HKEY xhkey; DWORD retval, datsize = 4; LPPOLICYDATA p; TRACE("(%08lx)\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: (%08lx)\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) { LPPOLICYDATA p; 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((LPWSTR)inpRegKey, strRegistryPolicyW) && lstrcmpiW((LPWSTR)inpRegKey, strPolicyW)) /* doesn't match, fail */ return 0; } else { if (lstrcmpiA((LPSTR)inpRegKey, strRegistryPolicyA) && lstrcmpiA((LPSTR)inpRegKey, strPolicyA)) /* doesn't match, fail */ return 0; } } /* check passed, init all policy cache entries with SHELL_NO_POLICY */ for (p = sh32_policy_table; p->policy; p++) { p->cache = SHELL_NO_POLICY; } return SHELL_NO_POLICY; }