2003-09-18 02:06:02 +02:00
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/*
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* Win32 VxD functions
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*
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* Copyright 1998 Marcus Meissner
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* Copyright 1998 Ulrich Weigand
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* Copyright 1998 Patrik Stridvall
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <sys/types.h>
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#include <string.h>
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winreg.h"
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#include "winerror.h"
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#include "winnls.h"
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#include "ntstatus.h"
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#include "winnt.h"
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#include "winternl.h"
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#include "miscemu.h"
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2003-11-13 22:04:01 +01:00
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#include "kernel_private.h"
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2003-09-18 02:06:02 +02:00
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(vxd);
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/*
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* VMM VxDCall service names are (mostly) taken from Stan Mitchell's
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* "Inside the Windows 95 File System"
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*/
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#define N_VMM_SERVICE 41
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static const char * const VMM_Service_Name[N_VMM_SERVICE] =
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{
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"PageReserve", /* 0x0000 */
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"PageCommit", /* 0x0001 */
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"PageDecommit", /* 0x0002 */
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"PagerRegister", /* 0x0003 */
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"PagerQuery", /* 0x0004 */
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"HeapAllocate", /* 0x0005 */
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"ContextCreate", /* 0x0006 */
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"ContextDestroy", /* 0x0007 */
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"PageAttach", /* 0x0008 */
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"PageFlush", /* 0x0009 */
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"PageFree", /* 0x000A */
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"ContextSwitch", /* 0x000B */
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"HeapReAllocate", /* 0x000C */
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"PageModifyPermissions", /* 0x000D */
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"PageQuery", /* 0x000E */
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"GetCurrentContext", /* 0x000F */
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"HeapFree", /* 0x0010 */
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"RegOpenKey", /* 0x0011 */
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"RegCreateKey", /* 0x0012 */
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"RegCloseKey", /* 0x0013 */
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"RegDeleteKey", /* 0x0014 */
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"RegSetValue", /* 0x0015 */
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"RegDeleteValue", /* 0x0016 */
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"RegQueryValue", /* 0x0017 */
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"RegEnumKey", /* 0x0018 */
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"RegEnumValue", /* 0x0019 */
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"RegQueryValueEx", /* 0x001A */
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"RegSetValueEx", /* 0x001B */
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"RegFlushKey", /* 0x001C */
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"RegQueryInfoKey", /* 0x001D */
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"GetDemandPageInfo", /* 0x001E */
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"BlockOnID", /* 0x001F */
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"SignalID", /* 0x0020 */
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"RegLoadKey", /* 0x0021 */
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"RegUnLoadKey", /* 0x0022 */
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"RegSaveKey", /* 0x0023 */
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"RegRemapPreDefKey", /* 0x0024 */
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"PageChangePager", /* 0x0025 */
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"RegQueryMultipleValues", /* 0x0026 */
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"RegReplaceKey", /* 0x0027 */
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"<KERNEL32.101>" /* 0x0028 -- What does this do??? */
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};
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/* PageReserve arena values */
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#define PR_PRIVATE 0x80000400 /* anywhere in private arena */
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#define PR_SHARED 0x80060000 /* anywhere in shared arena */
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#define PR_SYSTEM 0x80080000 /* anywhere in system arena */
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/* PageReserve flags */
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#define PR_FIXED 0x00000008 /* don't move during PageReAllocate */
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#define PR_4MEG 0x00000001 /* allocate on 4mb boundary */
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#define PR_STATIC 0x00000010 /* see PageReserve documentation */
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/* PageCommit default pager handle values */
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#define PD_ZEROINIT 0x00000001 /* swappable zero-initialized pages */
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#define PD_NOINIT 0x00000002 /* swappable uninitialized pages */
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#define PD_FIXEDZERO 0x00000003 /* fixed zero-initialized pages */
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#define PD_FIXED 0x00000004 /* fixed uninitialized pages */
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/* PageCommit flags */
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#define PC_FIXED 0x00000008 /* pages are permanently locked */
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#define PC_LOCKED 0x00000080 /* pages are made present and locked */
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#define PC_LOCKEDIFDP 0x00000100 /* pages are locked if swap via DOS */
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#define PC_WRITEABLE 0x00020000 /* make the pages writeable */
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#define PC_USER 0x00040000 /* make the pages ring 3 accessible */
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#define PC_INCR 0x40000000 /* increment "pagerdata" each page */
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#define PC_PRESENT 0x80000000 /* make pages initially present */
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#define PC_STATIC 0x20000000 /* allow commit in PR_STATIC object */
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#define PC_DIRTY 0x08000000 /* make pages initially dirty */
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#define PC_CACHEDIS 0x00100000 /* Allocate uncached pages - new for WDM */
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#define PC_CACHEWT 0x00080000 /* Allocate write through cache pages - new for WDM */
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#define PC_PAGEFLUSH 0x00008000 /* Touch device mapped pages on alloc - new for WDM */
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/* PageCommitContig additional flags */
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#define PCC_ZEROINIT 0x00000001 /* zero-initialize new pages */
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#define PCC_NOLIN 0x10000000 /* don't map to any linear address */
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/* Pop a DWORD from the 32-bit stack */
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static inline DWORD stack32_pop( CONTEXT86 *context )
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{
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DWORD ret = *(DWORD *)context->Esp;
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context->Esp += sizeof(DWORD);
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return ret;
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}
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/******************************************************************************
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* The following is a massive duplication of the advapi32 code.
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* Unfortunately sharing the code is not possible since the native
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* Win95 advapi32 depends on it. Someday we should probably stop
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* supporting native Win95 advapi32 altogether...
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*/
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#define HKEY_SPECIAL_ROOT_FIRST HKEY_CLASSES_ROOT
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#define HKEY_SPECIAL_ROOT_LAST HKEY_DYN_DATA
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#define NB_SPECIAL_ROOT_KEYS ((UINT)HKEY_SPECIAL_ROOT_LAST - (UINT)HKEY_SPECIAL_ROOT_FIRST + 1)
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static HKEY special_root_keys[NB_SPECIAL_ROOT_KEYS];
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static const WCHAR name_CLASSES_ROOT[] =
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{'M','a','c','h','i','n','e','\\',
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'S','o','f','t','w','a','r','e','\\',
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'C','l','a','s','s','e','s',0};
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static const WCHAR name_LOCAL_MACHINE[] =
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{'M','a','c','h','i','n','e',0};
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static const WCHAR name_USERS[] =
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{'U','s','e','r',0};
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static const WCHAR name_PERFORMANCE_DATA[] =
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{'P','e','r','f','D','a','t','a',0};
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static const WCHAR name_CURRENT_CONFIG[] =
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{'M','a','c','h','i','n','e','\\',
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'S','y','s','t','e','m','\\',
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'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
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'H','a','r','d','w','a','r','e','P','r','o','f','i','l','e','s','\\',
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'C','u','r','r','e','n','t',0};
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static const WCHAR name_DYN_DATA[] =
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{'D','y','n','D','a','t','a',0};
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#define DECL_STR(key) { sizeof(name_##key)-sizeof(WCHAR), sizeof(name_##key), (LPWSTR)name_##key }
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static UNICODE_STRING root_key_names[NB_SPECIAL_ROOT_KEYS] =
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{
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DECL_STR(CLASSES_ROOT),
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{ 0, 0, NULL }, /* HKEY_CURRENT_USER is determined dynamically */
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DECL_STR(LOCAL_MACHINE),
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DECL_STR(USERS),
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DECL_STR(PERFORMANCE_DATA),
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DECL_STR(CURRENT_CONFIG),
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DECL_STR(DYN_DATA)
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};
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#undef DECL_STR
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/* check if value type needs string conversion (Ansi<->Unicode) */
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inline static int is_string( DWORD type )
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{
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return (type == REG_SZ) || (type == REG_EXPAND_SZ) || (type == REG_MULTI_SZ);
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}
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/* create one of the HKEY_* special root keys */
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static HKEY create_special_root_hkey( HKEY hkey, DWORD access )
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{
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HKEY ret = 0;
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int idx = (UINT)hkey - (UINT)HKEY_SPECIAL_ROOT_FIRST;
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if (hkey == HKEY_CURRENT_USER)
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{
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if (RtlOpenCurrentUser( access, &hkey )) return 0;
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}
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else
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{
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OBJECT_ATTRIBUTES attr;
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attr.Length = sizeof(attr);
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attr.RootDirectory = 0;
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attr.ObjectName = &root_key_names[idx];
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attr.Attributes = 0;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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if (NtCreateKey( &hkey, access, &attr, 0, NULL, 0, NULL )) return 0;
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}
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if (!(ret = InterlockedCompareExchangePointer( (PVOID) &special_root_keys[idx], hkey, 0 )))
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ret = hkey;
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else
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NtClose( hkey ); /* somebody beat us to it */
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return ret;
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}
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/* map the hkey from special root to normal key if necessary */
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inline static HKEY get_special_root_hkey( HKEY hkey )
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{
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HKEY ret = hkey;
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if ((hkey >= HKEY_SPECIAL_ROOT_FIRST) && (hkey <= HKEY_SPECIAL_ROOT_LAST))
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{
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if (!(ret = special_root_keys[(UINT)hkey - (UINT)HKEY_SPECIAL_ROOT_FIRST]))
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ret = create_special_root_hkey( hkey, KEY_ALL_ACCESS );
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}
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return ret;
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}
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/******************************************************************************
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* VMM_RegCreateKeyA
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*/
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static DWORD VMM_RegCreateKeyA( HKEY hkey, LPCSTR name, PHKEY retkey )
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{
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OBJECT_ATTRIBUTES attr;
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UNICODE_STRING nameW;
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ANSI_STRING nameA;
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NTSTATUS status;
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if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
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attr.Length = sizeof(attr);
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attr.RootDirectory = hkey;
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attr.ObjectName = &nameW;
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attr.Attributes = 0;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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RtlInitAnsiString( &nameA, name );
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if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
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{
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status = NtCreateKey( retkey, KEY_ALL_ACCESS, &attr, 0, NULL,
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REG_OPTION_NON_VOLATILE, NULL );
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RtlFreeUnicodeString( &nameW );
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}
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return RtlNtStatusToDosError( status );
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}
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/******************************************************************************
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* VMM_RegOpenKeyExA
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*/
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DWORD WINAPI VMM_RegOpenKeyExA(HKEY hkey, LPCSTR name, DWORD reserved, REGSAM access, PHKEY retkey)
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{
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OBJECT_ATTRIBUTES attr;
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UNICODE_STRING nameW;
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STRING nameA;
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NTSTATUS status;
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if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
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attr.Length = sizeof(attr);
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attr.RootDirectory = hkey;
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attr.ObjectName = &nameW;
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attr.Attributes = 0;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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RtlInitAnsiString( &nameA, name );
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if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
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{
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status = NtOpenKey( retkey, access, &attr );
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RtlFreeUnicodeString( &nameW );
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}
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return RtlNtStatusToDosError( status );
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}
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/******************************************************************************
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* VMM_RegCloseKey
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*/
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static DWORD VMM_RegCloseKey( HKEY hkey )
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{
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if (!hkey || hkey >= (HKEY)0x80000000) return ERROR_SUCCESS;
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return RtlNtStatusToDosError( NtClose( hkey ) );
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}
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/******************************************************************************
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* VMM_RegDeleteKeyA
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*/
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static DWORD VMM_RegDeleteKeyA( HKEY hkey, LPCSTR name )
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{
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DWORD ret;
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HKEY tmp;
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if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
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if (!name || !*name) return RtlNtStatusToDosError( NtDeleteKey( hkey ) );
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if (!(ret = VMM_RegOpenKeyExA( hkey, name, 0, 0, &tmp )))
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{
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ret = RtlNtStatusToDosError( NtDeleteKey( tmp ) );
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NtClose( tmp );
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}
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return ret;
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}
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/******************************************************************************
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* VMM_RegSetValueExA
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*/
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static DWORD VMM_RegSetValueExA( HKEY hkey, LPCSTR name, DWORD reserved, DWORD type,
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CONST BYTE *data, DWORD count )
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{
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UNICODE_STRING nameW;
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ANSI_STRING nameA;
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WCHAR *dataW = NULL;
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NTSTATUS status;
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if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
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if (is_string(type))
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{
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DWORD lenW;
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if (count)
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{
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/* if user forgot to count terminating null, add it (yes NT does this) */
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if (data[count-1] && !data[count]) count++;
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}
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RtlMultiByteToUnicodeSize( &lenW, data, count );
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|
if (!(dataW = HeapAlloc( GetProcessHeap(), 0, lenW ))) return ERROR_OUTOFMEMORY;
|
|
|
|
RtlMultiByteToUnicodeN( dataW, lenW, NULL, data, count );
|
|
|
|
count = lenW;
|
|
|
|
data = (BYTE *)dataW;
|
|
|
|
}
|
|
|
|
|
|
|
|
RtlInitAnsiString( &nameA, name );
|
|
|
|
if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
|
|
|
|
{
|
|
|
|
status = NtSetValueKey( hkey, &nameW, 0, type, data, count );
|
|
|
|
RtlFreeUnicodeString( &nameW );
|
|
|
|
}
|
|
|
|
if (dataW) HeapFree( GetProcessHeap(), 0, dataW );
|
|
|
|
return RtlNtStatusToDosError( status );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
* VMM_RegSetValueA
|
|
|
|
*/
|
|
|
|
static DWORD VMM_RegSetValueA( HKEY hkey, LPCSTR name, DWORD type, LPCSTR data, DWORD count )
|
|
|
|
{
|
|
|
|
HKEY subkey = hkey;
|
|
|
|
DWORD ret;
|
|
|
|
|
|
|
|
if (type != REG_SZ) return ERROR_INVALID_PARAMETER;
|
|
|
|
|
|
|
|
if (name && name[0]) /* need to create the subkey */
|
|
|
|
{
|
|
|
|
if ((ret = VMM_RegCreateKeyA( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
|
|
|
|
}
|
|
|
|
ret = VMM_RegSetValueExA( subkey, NULL, 0, REG_SZ, (LPBYTE)data, strlen(data)+1 );
|
|
|
|
if (subkey != hkey) NtClose( subkey );
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
* VMM_RegDeleteValueA
|
|
|
|
*/
|
|
|
|
static DWORD VMM_RegDeleteValueA( HKEY hkey, LPCSTR name )
|
|
|
|
{
|
|
|
|
UNICODE_STRING nameW;
|
|
|
|
STRING nameA;
|
|
|
|
NTSTATUS status;
|
|
|
|
|
|
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
|
|
|
|
RtlInitAnsiString( &nameA, name );
|
|
|
|
if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
|
|
|
|
{
|
|
|
|
status = NtDeleteValueKey( hkey, &nameW );
|
|
|
|
RtlFreeUnicodeString( &nameW );
|
|
|
|
}
|
|
|
|
return RtlNtStatusToDosError( status );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
* VMM_RegQueryValueExA
|
|
|
|
*/
|
|
|
|
static DWORD VMM_RegQueryValueExA( HKEY hkey, LPCSTR name, LPDWORD reserved, LPDWORD type,
|
|
|
|
LPBYTE data, LPDWORD count )
|
|
|
|
{
|
|
|
|
NTSTATUS status;
|
|
|
|
ANSI_STRING nameA;
|
|
|
|
UNICODE_STRING nameW;
|
|
|
|
DWORD total_size;
|
|
|
|
char buffer[256], *buf_ptr = buffer;
|
|
|
|
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
|
|
|
|
static const int info_size = offsetof( KEY_VALUE_PARTIAL_INFORMATION, Data );
|
|
|
|
|
|
|
|
if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
|
|
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
|
|
|
|
RtlInitAnsiString( &nameA, name );
|
|
|
|
if ((status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
|
|
|
|
return RtlNtStatusToDosError(status);
|
|
|
|
|
|
|
|
status = NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation,
|
|
|
|
buffer, sizeof(buffer), &total_size );
|
|
|
|
if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
|
|
|
|
|
|
|
|
/* we need to fetch the contents for a string type even if not requested,
|
|
|
|
* because we need to compute the length of the ASCII string. */
|
|
|
|
if (data || is_string(info->Type))
|
|
|
|
{
|
|
|
|
/* retry with a dynamically allocated buffer */
|
|
|
|
while (status == STATUS_BUFFER_OVERFLOW)
|
|
|
|
{
|
|
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
|
|
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
|
|
|
|
{
|
|
|
|
status = STATUS_NO_MEMORY;
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
info = (KEY_VALUE_PARTIAL_INFORMATION *)buf_ptr;
|
|
|
|
status = NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation,
|
|
|
|
buf_ptr, total_size, &total_size );
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!status)
|
|
|
|
{
|
|
|
|
if (is_string(info->Type))
|
|
|
|
{
|
|
|
|
DWORD len = WideCharToMultiByte( CP_ACP, 0, (WCHAR *)(buf_ptr + info_size),
|
|
|
|
(total_size - info_size) /sizeof(WCHAR),
|
|
|
|
NULL, 0, NULL, NULL );
|
|
|
|
if (data && len)
|
|
|
|
{
|
|
|
|
if (len > *count) status = STATUS_BUFFER_OVERFLOW;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
WideCharToMultiByte( CP_ACP, 0, (WCHAR *)(buf_ptr + info_size),
|
|
|
|
(total_size - info_size) /sizeof(WCHAR),
|
|
|
|
data, len, NULL, NULL );
|
|
|
|
/* if the type is REG_SZ and data is not 0-terminated
|
|
|
|
* and there is enough space in the buffer NT appends a \0 */
|
|
|
|
if (len < *count && data[len-1]) data[len] = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
total_size = len + info_size;
|
|
|
|
}
|
|
|
|
else if (data)
|
|
|
|
{
|
|
|
|
if (total_size - info_size > *count) status = STATUS_BUFFER_OVERFLOW;
|
|
|
|
else memcpy( data, buf_ptr + info_size, total_size - info_size );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (status != STATUS_BUFFER_OVERFLOW) goto done;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (type) *type = info->Type;
|
|
|
|
if (count) *count = total_size - info_size;
|
|
|
|
|
|
|
|
done:
|
|
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
|
|
RtlFreeUnicodeString( &nameW );
|
|
|
|
return RtlNtStatusToDosError(status);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
* VMM_RegQueryValueA
|
|
|
|
*/
|
|
|
|
static DWORD VMM_RegQueryValueA( HKEY hkey, LPCSTR name, LPSTR data, LPLONG count )
|
|
|
|
{
|
|
|
|
DWORD ret;
|
|
|
|
HKEY subkey = hkey;
|
|
|
|
|
|
|
|
if (name && name[0])
|
|
|
|
{
|
|
|
|
if ((ret = VMM_RegOpenKeyExA( hkey, name, 0, KEY_ALL_ACCESS, &subkey )) != ERROR_SUCCESS)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
ret = VMM_RegQueryValueExA( subkey, NULL, NULL, NULL, (LPBYTE)data, count );
|
|
|
|
if (subkey != hkey) NtClose( subkey );
|
|
|
|
if (ret == ERROR_FILE_NOT_FOUND)
|
|
|
|
{
|
|
|
|
/* return empty string if default value not found */
|
|
|
|
if (data) *data = 0;
|
|
|
|
if (count) *count = 1;
|
|
|
|
ret = ERROR_SUCCESS;
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
* VMM_RegEnumValueA
|
|
|
|
*/
|
|
|
|
static DWORD VMM_RegEnumValueA( HKEY hkey, DWORD index, LPSTR value, LPDWORD val_count,
|
|
|
|
LPDWORD reserved, LPDWORD type, LPBYTE data, LPDWORD count )
|
|
|
|
{
|
|
|
|
NTSTATUS status;
|
|
|
|
DWORD total_size;
|
|
|
|
char buffer[256], *buf_ptr = buffer;
|
|
|
|
KEY_VALUE_FULL_INFORMATION *info = (KEY_VALUE_FULL_INFORMATION *)buffer;
|
|
|
|
static const int info_size = offsetof( KEY_VALUE_FULL_INFORMATION, Name );
|
|
|
|
|
|
|
|
TRACE("(%p,%ld,%p,%p,%p,%p,%p,%p)\n",
|
|
|
|
hkey, index, value, val_count, reserved, type, data, count );
|
|
|
|
|
|
|
|
/* NT only checks count, not val_count */
|
|
|
|
if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
|
|
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
|
|
|
|
total_size = info_size + (MAX_PATH + 1) * sizeof(WCHAR);
|
|
|
|
if (data) total_size += *count;
|
|
|
|
total_size = min( sizeof(buffer), total_size );
|
|
|
|
|
|
|
|
status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
|
|
|
|
buffer, total_size, &total_size );
|
|
|
|
if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
|
|
|
|
|
|
|
|
/* we need to fetch the contents for a string type even if not requested,
|
|
|
|
* because we need to compute the length of the ASCII string. */
|
|
|
|
if (value || data || is_string(info->Type))
|
|
|
|
{
|
|
|
|
/* retry with a dynamically allocated buffer */
|
|
|
|
while (status == STATUS_BUFFER_OVERFLOW)
|
|
|
|
{
|
|
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
|
|
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
|
|
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
|
|
info = (KEY_VALUE_FULL_INFORMATION *)buf_ptr;
|
|
|
|
status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
|
|
|
|
buf_ptr, total_size, &total_size );
|
|
|
|
}
|
|
|
|
|
|
|
|
if (status) goto done;
|
|
|
|
|
|
|
|
if (is_string(info->Type))
|
|
|
|
{
|
|
|
|
DWORD len;
|
|
|
|
RtlUnicodeToMultiByteSize( &len, (WCHAR *)(buf_ptr + info->DataOffset),
|
|
|
|
total_size - info->DataOffset );
|
|
|
|
if (data && len)
|
|
|
|
{
|
|
|
|
if (len > *count) status = STATUS_BUFFER_OVERFLOW;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
RtlUnicodeToMultiByteN( data, len, NULL, (WCHAR *)(buf_ptr + info->DataOffset),
|
|
|
|
total_size - info->DataOffset );
|
|
|
|
/* if the type is REG_SZ and data is not 0-terminated
|
|
|
|
* and there is enough space in the buffer NT appends a \0 */
|
|
|
|
if (len < *count && data[len-1]) data[len] = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
info->DataLength = len;
|
|
|
|
}
|
|
|
|
else if (data)
|
|
|
|
{
|
|
|
|
if (total_size - info->DataOffset > *count) status = STATUS_BUFFER_OVERFLOW;
|
|
|
|
else memcpy( data, buf_ptr + info->DataOffset, total_size - info->DataOffset );
|
|
|
|
}
|
|
|
|
|
|
|
|
if (value && !status)
|
|
|
|
{
|
|
|
|
DWORD len;
|
|
|
|
|
|
|
|
RtlUnicodeToMultiByteSize( &len, info->Name, info->NameLength );
|
|
|
|
if (len >= *val_count)
|
|
|
|
{
|
|
|
|
status = STATUS_BUFFER_OVERFLOW;
|
|
|
|
if (*val_count)
|
|
|
|
{
|
|
|
|
len = *val_count - 1;
|
|
|
|
RtlUnicodeToMultiByteN( value, len, NULL, info->Name, info->NameLength );
|
|
|
|
value[len] = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
RtlUnicodeToMultiByteN( value, len, NULL, info->Name, info->NameLength );
|
|
|
|
value[len] = 0;
|
|
|
|
*val_count = len;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else status = STATUS_SUCCESS;
|
|
|
|
|
|
|
|
if (type) *type = info->Type;
|
|
|
|
if (count) *count = info->DataLength;
|
|
|
|
|
|
|
|
done:
|
|
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
|
|
return RtlNtStatusToDosError(status);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
* VMM_RegEnumKeyA
|
|
|
|
*/
|
|
|
|
static DWORD VMM_RegEnumKeyA( HKEY hkey, DWORD index, LPSTR name, DWORD name_len )
|
|
|
|
{
|
|
|
|
NTSTATUS status;
|
|
|
|
char buffer[256], *buf_ptr = buffer;
|
|
|
|
KEY_NODE_INFORMATION *info = (KEY_NODE_INFORMATION *)buffer;
|
|
|
|
DWORD total_size;
|
|
|
|
|
|
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
|
|
|
|
status = NtEnumerateKey( hkey, index, KeyNodeInformation,
|
|
|
|
buffer, sizeof(buffer), &total_size );
|
|
|
|
|
|
|
|
while (status == STATUS_BUFFER_OVERFLOW)
|
|
|
|
{
|
|
|
|
/* retry with a dynamically allocated buffer */
|
|
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
|
|
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
|
|
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
|
|
info = (KEY_NODE_INFORMATION *)buf_ptr;
|
|
|
|
status = NtEnumerateKey( hkey, index, KeyNodeInformation,
|
|
|
|
buf_ptr, total_size, &total_size );
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!status)
|
|
|
|
{
|
|
|
|
DWORD len;
|
|
|
|
|
|
|
|
RtlUnicodeToMultiByteSize( &len, info->Name, info->NameLength );
|
|
|
|
if (len >= name_len) status = STATUS_BUFFER_OVERFLOW;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
RtlUnicodeToMultiByteN( name, len, NULL, info->Name, info->NameLength );
|
|
|
|
name[len] = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
|
|
return RtlNtStatusToDosError( status );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
* VMM_RegQueryInfoKeyA
|
|
|
|
*
|
|
|
|
* NOTE: This VxDCall takes only a subset of the parameters that the
|
|
|
|
* corresponding Win32 API call does. The implementation in Win95
|
|
|
|
* ADVAPI32 sets all output parameters not mentioned here to zero.
|
|
|
|
*/
|
|
|
|
static DWORD VMM_RegQueryInfoKeyA( HKEY hkey, LPDWORD subkeys, LPDWORD max_subkey,
|
|
|
|
LPDWORD values, LPDWORD max_value, LPDWORD max_data )
|
|
|
|
{
|
|
|
|
NTSTATUS status;
|
|
|
|
KEY_FULL_INFORMATION info;
|
|
|
|
DWORD total_size;
|
|
|
|
|
|
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
|
|
|
|
status = NtQueryKey( hkey, KeyFullInformation, &info, sizeof(info), &total_size );
|
|
|
|
if (status && status != STATUS_BUFFER_OVERFLOW) return RtlNtStatusToDosError( status );
|
|
|
|
|
|
|
|
if (subkeys) *subkeys = info.SubKeys;
|
|
|
|
if (max_subkey) *max_subkey = info.MaxNameLen;
|
|
|
|
if (values) *values = info.Values;
|
|
|
|
if (max_value) *max_value = info.MaxValueNameLen;
|
|
|
|
if (max_data) *max_data = info.MaxValueDataLen;
|
|
|
|
return ERROR_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* VxDCall_VMM
|
|
|
|
*/
|
|
|
|
static DWORD VxDCall_VMM( DWORD service, CONTEXT86 *context )
|
|
|
|
{
|
|
|
|
switch ( LOWORD(service) )
|
|
|
|
{
|
|
|
|
case 0x0011: /* RegOpenKey */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
|
|
|
|
PHKEY retkey = (PHKEY)stack32_pop( context );
|
|
|
|
return VMM_RegOpenKeyExA( hkey, lpszSubKey, 0, KEY_ALL_ACCESS, retkey );
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0012: /* RegCreateKey */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
|
|
|
|
PHKEY retkey = (PHKEY)stack32_pop( context );
|
|
|
|
return VMM_RegCreateKeyA( hkey, lpszSubKey, retkey );
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0013: /* RegCloseKey */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY)stack32_pop( context );
|
|
|
|
return VMM_RegCloseKey( hkey );
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0014: /* RegDeleteKey */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
|
|
|
|
return VMM_RegDeleteKeyA( hkey, lpszSubKey );
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0015: /* RegSetValue */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
|
|
|
|
DWORD dwType = (DWORD) stack32_pop( context );
|
|
|
|
LPCSTR lpszData = (LPCSTR)stack32_pop( context );
|
|
|
|
DWORD cbData = (DWORD) stack32_pop( context );
|
|
|
|
return VMM_RegSetValueA( hkey, lpszSubKey, dwType, lpszData, cbData );
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0016: /* RegDeleteValue */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
LPSTR lpszValue = (LPSTR)stack32_pop( context );
|
|
|
|
return VMM_RegDeleteValueA( hkey, lpszValue );
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0017: /* RegQueryValue */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
LPSTR lpszSubKey = (LPSTR) stack32_pop( context );
|
|
|
|
LPSTR lpszData = (LPSTR) stack32_pop( context );
|
|
|
|
LPDWORD lpcbData = (LPDWORD)stack32_pop( context );
|
|
|
|
return VMM_RegQueryValueA( hkey, lpszSubKey, lpszData, lpcbData );
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0018: /* RegEnumKey */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
DWORD iSubkey = (DWORD)stack32_pop( context );
|
|
|
|
LPSTR lpszName = (LPSTR)stack32_pop( context );
|
|
|
|
DWORD lpcchName = (DWORD)stack32_pop( context );
|
|
|
|
return VMM_RegEnumKeyA( hkey, iSubkey, lpszName, lpcchName );
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0019: /* RegEnumValue */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
DWORD iValue = (DWORD) stack32_pop( context );
|
|
|
|
LPSTR lpszValue = (LPSTR) stack32_pop( context );
|
|
|
|
LPDWORD lpcchValue = (LPDWORD)stack32_pop( context );
|
|
|
|
LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
|
|
|
|
LPDWORD lpdwType = (LPDWORD)stack32_pop( context );
|
|
|
|
LPBYTE lpbData = (LPBYTE) stack32_pop( context );
|
|
|
|
LPDWORD lpcbData = (LPDWORD)stack32_pop( context );
|
|
|
|
return VMM_RegEnumValueA( hkey, iValue, lpszValue, lpcchValue,
|
|
|
|
lpReserved, lpdwType, lpbData, lpcbData );
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x001A: /* RegQueryValueEx */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
LPSTR lpszValue = (LPSTR) stack32_pop( context );
|
|
|
|
LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
|
|
|
|
LPDWORD lpdwType = (LPDWORD)stack32_pop( context );
|
|
|
|
LPBYTE lpbData = (LPBYTE) stack32_pop( context );
|
|
|
|
LPDWORD lpcbData = (LPDWORD)stack32_pop( context );
|
|
|
|
return VMM_RegQueryValueExA( hkey, lpszValue, lpReserved,
|
|
|
|
lpdwType, lpbData, lpcbData );
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x001B: /* RegSetValueEx */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
LPSTR lpszValue = (LPSTR) stack32_pop( context );
|
|
|
|
DWORD dwReserved = (DWORD) stack32_pop( context );
|
|
|
|
DWORD dwType = (DWORD) stack32_pop( context );
|
|
|
|
LPBYTE lpbData = (LPBYTE)stack32_pop( context );
|
|
|
|
DWORD cbData = (DWORD) stack32_pop( context );
|
|
|
|
return VMM_RegSetValueExA( hkey, lpszValue, dwReserved,
|
|
|
|
dwType, lpbData, cbData );
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x001C: /* RegFlushKey */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY)stack32_pop( context );
|
|
|
|
FIXME( "RegFlushKey(%p): stub\n", hkey );
|
|
|
|
return ERROR_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x001D: /* RegQueryInfoKey */
|
|
|
|
{
|
|
|
|
/* NOTE: This VxDCall takes only a subset of the parameters that the
|
|
|
|
corresponding Win32 API call does. The implementation in Win95
|
|
|
|
ADVAPI32 sets all output parameters not mentioned here to zero. */
|
|
|
|
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
LPDWORD lpcSubKeys = (LPDWORD)stack32_pop( context );
|
|
|
|
LPDWORD lpcchMaxSubKey = (LPDWORD)stack32_pop( context );
|
|
|
|
LPDWORD lpcValues = (LPDWORD)stack32_pop( context );
|
|
|
|
LPDWORD lpcchMaxValueName = (LPDWORD)stack32_pop( context );
|
|
|
|
LPDWORD lpcchMaxValueData = (LPDWORD)stack32_pop( context );
|
|
|
|
return VMM_RegQueryInfoKeyA( hkey, lpcSubKeys, lpcchMaxSubKey,
|
|
|
|
lpcValues, lpcchMaxValueName, lpcchMaxValueData );
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0021: /* RegLoadKey */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
|
|
|
|
LPCSTR lpszFile = (LPCSTR)stack32_pop( context );
|
|
|
|
FIXME("RegLoadKey(%p,%s,%s): stub\n",hkey, debugstr_a(lpszSubKey), debugstr_a(lpszFile));
|
|
|
|
return ERROR_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0022: /* RegUnLoadKey */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
|
|
|
|
FIXME("RegUnLoadKey(%p,%s): stub\n",hkey, debugstr_a(lpszSubKey));
|
|
|
|
return ERROR_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0023: /* RegSaveKey */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
LPCSTR lpszFile = (LPCSTR)stack32_pop( context );
|
|
|
|
LPSECURITY_ATTRIBUTES sa = (LPSECURITY_ATTRIBUTES)stack32_pop( context );
|
|
|
|
FIXME("RegSaveKey(%p,%s,%p): stub\n",hkey, debugstr_a(lpszFile),sa);
|
|
|
|
return ERROR_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
#if 0 /* Functions are not yet implemented in misc/registry.c */
|
|
|
|
case 0x0024: /* RegRemapPreDefKey */
|
|
|
|
case 0x0026: /* RegQueryMultipleValues */
|
|
|
|
#endif
|
|
|
|
|
|
|
|
case 0x0027: /* RegReplaceKey */
|
|
|
|
{
|
|
|
|
HKEY hkey = (HKEY) stack32_pop( context );
|
|
|
|
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
|
|
|
|
LPCSTR lpszNewFile= (LPCSTR)stack32_pop( context );
|
|
|
|
LPCSTR lpszOldFile= (LPCSTR)stack32_pop( context );
|
|
|
|
FIXME("RegReplaceKey(%p,%s,%s,%s): stub\n", hkey, debugstr_a(lpszSubKey),
|
|
|
|
debugstr_a(lpszNewFile),debugstr_a(lpszOldFile));
|
|
|
|
return ERROR_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0000: /* PageReserve */
|
|
|
|
{
|
|
|
|
LPVOID address;
|
|
|
|
LPVOID ret;
|
|
|
|
DWORD psize = getpagesize();
|
|
|
|
ULONG page = (ULONG) stack32_pop( context );
|
|
|
|
ULONG npages = (ULONG) stack32_pop( context );
|
|
|
|
ULONG flags = (ULONG) stack32_pop( context );
|
|
|
|
|
|
|
|
TRACE("PageReserve: page: %08lx, npages: %08lx, flags: %08lx partial stub!\n",
|
|
|
|
page, npages, flags );
|
|
|
|
|
|
|
|
if ( page == PR_SYSTEM ) {
|
|
|
|
ERR("Can't reserve ring 1 memory\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
/* FIXME: This has to be handled separately for the separate
|
|
|
|
address-spaces we now have */
|
|
|
|
if ( page == PR_PRIVATE || page == PR_SHARED ) page = 0;
|
|
|
|
/* FIXME: Handle flags in some way */
|
|
|
|
address = (LPVOID )(page * psize);
|
|
|
|
ret = VirtualAlloc ( address, ( npages * psize ), MEM_RESERVE, 0 );
|
|
|
|
TRACE("PageReserve: returning: %08lx\n", (DWORD )ret );
|
|
|
|
if ( ret == NULL )
|
|
|
|
return -1;
|
|
|
|
else
|
|
|
|
return (DWORD )ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0001: /* PageCommit */
|
|
|
|
{
|
|
|
|
LPVOID address;
|
|
|
|
LPVOID ret;
|
|
|
|
DWORD virt_perm;
|
|
|
|
DWORD psize = getpagesize();
|
|
|
|
ULONG page = (ULONG) stack32_pop( context );
|
|
|
|
ULONG npages = (ULONG) stack32_pop( context );
|
|
|
|
ULONG hpd = (ULONG) stack32_pop( context );
|
|
|
|
ULONG pagerdata = (ULONG) stack32_pop( context );
|
|
|
|
ULONG flags = (ULONG) stack32_pop( context );
|
|
|
|
|
|
|
|
TRACE("PageCommit: page: %08lx, npages: %08lx, hpd: %08lx pagerdata: "
|
|
|
|
"%08lx, flags: %08lx partial stub\n",
|
|
|
|
page, npages, hpd, pagerdata, flags );
|
|
|
|
|
|
|
|
if ( flags & PC_USER )
|
|
|
|
if ( flags & PC_WRITEABLE )
|
|
|
|
virt_perm = PAGE_EXECUTE_READWRITE;
|
|
|
|
else
|
|
|
|
virt_perm = PAGE_EXECUTE_READ;
|
|
|
|
else
|
|
|
|
virt_perm = PAGE_NOACCESS;
|
|
|
|
|
|
|
|
address = (LPVOID )(page * psize);
|
|
|
|
ret = VirtualAlloc ( address, ( npages * psize ), MEM_COMMIT, virt_perm );
|
|
|
|
TRACE("PageCommit: Returning: %08lx\n", (DWORD )ret );
|
|
|
|
return (DWORD )ret;
|
|
|
|
|
|
|
|
}
|
|
|
|
case 0x0002: /* PageDecommit */
|
|
|
|
{
|
|
|
|
LPVOID address;
|
|
|
|
BOOL ret;
|
|
|
|
DWORD psize = getpagesize();
|
|
|
|
ULONG page = (ULONG) stack32_pop( context );
|
|
|
|
ULONG npages = (ULONG) stack32_pop( context );
|
|
|
|
ULONG flags = (ULONG) stack32_pop( context );
|
|
|
|
|
|
|
|
TRACE("PageDecommit: page: %08lx, npages: %08lx, flags: %08lx partial stub\n",
|
|
|
|
page, npages, flags );
|
|
|
|
address = (LPVOID )( page * psize );
|
|
|
|
ret = VirtualFree ( address, ( npages * psize ), MEM_DECOMMIT );
|
|
|
|
TRACE("PageDecommit: Returning: %s\n", ret ? "TRUE" : "FALSE" );
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
case 0x000d: /* PageModifyPermissions */
|
|
|
|
{
|
|
|
|
DWORD pg_old_perm;
|
|
|
|
DWORD pg_new_perm;
|
|
|
|
DWORD virt_old_perm;
|
|
|
|
DWORD virt_new_perm;
|
|
|
|
MEMORY_BASIC_INFORMATION mbi;
|
|
|
|
LPVOID address;
|
|
|
|
DWORD psize = getpagesize();
|
|
|
|
ULONG page = stack32_pop ( context );
|
|
|
|
ULONG npages = stack32_pop ( context );
|
|
|
|
ULONG permand = stack32_pop ( context );
|
|
|
|
ULONG permor = stack32_pop ( context );
|
|
|
|
|
|
|
|
TRACE("PageModifyPermissions %08lx %08lx %08lx %08lx partial stub\n",
|
|
|
|
page, npages, permand, permor );
|
|
|
|
address = (LPVOID )( page * psize );
|
|
|
|
|
|
|
|
VirtualQuery ( address, &mbi, sizeof ( MEMORY_BASIC_INFORMATION ));
|
|
|
|
virt_old_perm = mbi.Protect;
|
|
|
|
|
|
|
|
switch ( virt_old_perm & mbi.Protect ) {
|
|
|
|
case PAGE_READONLY:
|
|
|
|
case PAGE_EXECUTE:
|
|
|
|
case PAGE_EXECUTE_READ:
|
|
|
|
pg_old_perm = PC_USER;
|
|
|
|
break;
|
|
|
|
case PAGE_READWRITE:
|
|
|
|
case PAGE_WRITECOPY:
|
|
|
|
case PAGE_EXECUTE_READWRITE:
|
|
|
|
case PAGE_EXECUTE_WRITECOPY:
|
|
|
|
pg_old_perm = PC_USER | PC_WRITEABLE;
|
|
|
|
break;
|
|
|
|
case PAGE_NOACCESS:
|
|
|
|
default:
|
|
|
|
pg_old_perm = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
pg_new_perm = pg_old_perm;
|
|
|
|
pg_new_perm &= permand & ~PC_STATIC;
|
|
|
|
pg_new_perm |= permor & ~PC_STATIC;
|
|
|
|
|
|
|
|
virt_new_perm = ( virt_old_perm ) & ~0xff;
|
|
|
|
if ( pg_new_perm & PC_USER )
|
|
|
|
{
|
|
|
|
if ( pg_new_perm & PC_WRITEABLE )
|
|
|
|
virt_new_perm |= PAGE_EXECUTE_READWRITE;
|
|
|
|
else
|
|
|
|
virt_new_perm |= PAGE_EXECUTE_READ;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( ! VirtualProtect ( address, ( npages * psize ), virt_new_perm, &virt_old_perm ) ) {
|
|
|
|
ERR("Can't change page permissions for %08lx\n", (DWORD )address );
|
|
|
|
return 0xffffffff;
|
|
|
|
}
|
|
|
|
TRACE("Returning: %08lx\n", pg_old_perm );
|
|
|
|
return pg_old_perm;
|
|
|
|
}
|
|
|
|
case 0x000a: /* PageFree */
|
|
|
|
{
|
|
|
|
BOOL ret;
|
|
|
|
LPVOID hmem = (LPVOID) stack32_pop( context );
|
|
|
|
DWORD flags = (DWORD ) stack32_pop( context );
|
|
|
|
|
|
|
|
TRACE("PageFree: hmem: %08lx, flags: %08lx partial stub\n",
|
|
|
|
(DWORD )hmem, flags );
|
|
|
|
|
|
|
|
ret = VirtualFree ( hmem, 0, MEM_RELEASE );
|
|
|
|
context->Eax = ret;
|
|
|
|
TRACE("Returning: %d\n", ret );
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
case 0x001e: /* GetDemandPageInfo */
|
|
|
|
{
|
|
|
|
DWORD dinfo = (DWORD)stack32_pop( context );
|
|
|
|
DWORD flags = (DWORD)stack32_pop( context );
|
|
|
|
|
|
|
|
/* GetDemandPageInfo is supposed to fill out the struct at
|
|
|
|
* "dinfo" with various low-level memory management information.
|
|
|
|
* Apps are certainly not supposed to call this, although it's
|
|
|
|
* demoed and documented by Pietrek on pages 441-443 of "Windows
|
|
|
|
* 95 System Programming Secrets" if any program needs a real
|
|
|
|
* implementation of this.
|
|
|
|
*/
|
|
|
|
|
|
|
|
FIXME("GetDemandPageInfo(%08lx %08lx): stub!\n", dinfo, flags);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
if (LOWORD(service) < N_VMM_SERVICE)
|
|
|
|
FIXME( "Unimplemented service %s (%08lx)\n",
|
|
|
|
VMM_Service_Name[LOWORD(service)], service);
|
|
|
|
else
|
|
|
|
FIXME( "Unknown service %08lx\n", service);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0xffffffff; /* FIXME */
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/********************************************************************************
|
|
|
|
* VxDCall_VWin32
|
|
|
|
*
|
|
|
|
* Service numbers taken from page 448 of Pietrek's "Windows 95 System
|
|
|
|
* Programming Secrets". Parameters from experimentation on real Win98.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
|
|
|
|
static DWORD VxDCall_VWin32( DWORD service, CONTEXT86 *context )
|
|
|
|
{
|
|
|
|
switch ( LOWORD(service) )
|
|
|
|
{
|
|
|
|
case 0x0000: /* GetVersion */
|
|
|
|
{
|
|
|
|
DWORD vers = GetVersion();
|
|
|
|
return (LOBYTE(vers) << 8) | HIBYTE(vers);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x0020: /* Get VMCPD Version */
|
|
|
|
{
|
|
|
|
DWORD parm = (DWORD) stack32_pop(context);
|
|
|
|
|
|
|
|
FIXME("Get VMCPD Version(%08lx): partial stub!\n", parm);
|
|
|
|
|
|
|
|
/* FIXME: This is what Win98 returns, it may
|
|
|
|
* not be correct in all situations.
|
|
|
|
* It makes Bleem! happy though.
|
|
|
|
*/
|
|
|
|
|
|
|
|
return 0x0405;
|
|
|
|
}
|
|
|
|
|
|
|
|
case 0x0029: /* Int31/DPMI dispatch */
|
|
|
|
{
|
|
|
|
DWORD callnum = (DWORD) stack32_pop(context);
|
|
|
|
DWORD parm = (DWORD) stack32_pop(context);
|
|
|
|
|
|
|
|
TRACE("Int31/DPMI dispatch(%08lx)\n", callnum);
|
|
|
|
|
|
|
|
SET_AX( context, callnum );
|
|
|
|
SET_CX( context, parm );
|
2003-11-14 22:08:39 +01:00
|
|
|
INSTR_CallBuiltinHandler( context, 0x31 );
|
2003-09-18 02:06:02 +02:00
|
|
|
|
|
|
|
return LOWORD(context->Eax);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 0x002a: /* Int41 dispatch - parm = int41 service number */
|
|
|
|
{
|
|
|
|
DWORD callnum = (DWORD) stack32_pop(context);
|
|
|
|
|
|
|
|
return callnum; /* FIXME: should really call INT_Int41Handler() */
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
FIXME("Unknown VWin32 service %08lx\n", service);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0xffffffff;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* VxDCall0 (KERNEL32.1)
|
|
|
|
* VxDCall1 (KERNEL32.2)
|
|
|
|
* VxDCall2 (KERNEL32.3)
|
|
|
|
* VxDCall3 (KERNEL32.4)
|
|
|
|
* VxDCall4 (KERNEL32.5)
|
|
|
|
* VxDCall5 (KERNEL32.6)
|
|
|
|
* VxDCall6 (KERNEL32.7)
|
|
|
|
* VxDCall7 (KERNEL32.8)
|
|
|
|
* VxDCall8 (KERNEL32.9)
|
|
|
|
*/
|
|
|
|
void VxDCall( DWORD service, CONTEXT86 *context )
|
|
|
|
{
|
|
|
|
DWORD ret;
|
|
|
|
|
|
|
|
TRACE( "(%08lx, ...)\n", service);
|
|
|
|
|
|
|
|
switch(HIWORD(service))
|
|
|
|
{
|
|
|
|
case 0x0001: /* VMM */
|
|
|
|
ret = VxDCall_VMM( service, context );
|
|
|
|
break;
|
|
|
|
case 0x002a: /* VWIN32 */
|
|
|
|
ret = VxDCall_VWin32( service, context );
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
FIXME( "Unknown/unimplemented VxD (%08lx)\n", service);
|
|
|
|
ret = 0xffffffff; /* FIXME */
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
context->Eax = ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* OpenVxDHandle (KERNEL32.@)
|
|
|
|
*
|
|
|
|
* This function is supposed to return the corresponding Ring 0
|
|
|
|
* ("kernel") handle for a Ring 3 handle in Win9x.
|
|
|
|
* Evidently, Wine will have problems with this. But we try anyway,
|
|
|
|
* maybe it helps...
|
|
|
|
*/
|
|
|
|
HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
|
|
|
|
{
|
|
|
|
FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
|
|
|
|
return hHandleRing3;
|
|
|
|
}
|