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Add implementation for RtlQueryRegistryValues, RtlCheckRegistryKey and 

RtlDeleteRegistryValue.
This commit is contained in:
Ivan Leo Puoti 2005-02-14 21:07:33 +00:00 committed by Alexandre Julliard
parent dd073bbb3f
commit 5251126f66
2 changed files with 515 additions and 3 deletions
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6
dlls/ntdll/ntdll.spec
View File

@ -313,7 +313,7 @@
@ stdcall RtlAssert(ptr ptr long long)
@ stub RtlCaptureStackBackTrace
@ stdcall RtlCharToInteger(ptr long ptr)
@ stub RtlCheckRegistryKey
@ stdcall RtlCheckRegistryKey(long ptr)
@ stdcall RtlClearAllBits(ptr)
@ stdcall RtlClearBits(ptr long long)
@ stdcall RtlCompactHeap(long long)
@ -369,7 +369,7 @@
@ stub RtlDeleteNoSplay
@ stub RtlDeleteOwnersRanges
@ stub RtlDeleteRange
@ stub RtlDeleteRegistryValue
@ stdcall RtlDeleteRegistryValue(long ptr ptr)
@ stdcall RtlDeleteResource(ptr)
@ stdcall RtlDeleteSecurityObject(long)
@ stdcall RtlDestroyEnvironment(ptr)
@ -540,7 +540,7 @@
@ stdcall RtlQueryProcessDebugInformation(long long ptr)
@ stub RtlQueryProcessHeapInformation
@ stub RtlQueryProcessLockInformation
@ stub RtlQueryRegistryValues
@ stdcall RtlQueryRegistryValues(long ptr ptr ptr ptr)
@ stub RtlQuerySecurityObject
@ stub RtlQueryTagHeap
@ stdcall RtlQueryTimeZoneInformation(ptr)

512
dlls/ntdll/reg.c
View File

@ -3,6 +3,7 @@
*
* Copyright (C) 1999 Juergen Schmied
* Copyright (C) 2000 Alexandre Julliard
* Copyright 2005 Ivan Leo Puoti, Laurent Pinchart
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -37,12 +38,50 @@
#include "winreg.h"
#include "ntdll_misc.h"
#include "wine/debug.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(reg);
/* maximum length of a key/value name in bytes (without terminating null) */
#define MAX_NAME_LENGTH ((MAX_PATH-1) * sizeof(WCHAR))
/* RtlQueryRegistryValues structs and defines */
#define RTL_REGISTRY_ABSOLUTE 0
#define RTL_REGISTRY_SERVICES 1
#define RTL_REGISTRY_CONTROL 2
#define RTL_REGISTRY_WINDOWS_NT 3
#define RTL_REGISTRY_DEVICEMAP 4
#define RTL_REGISTRY_USER 5
#define RTL_REGISTRY_HANDLE 0x40000000
#define RTL_REGISTRY_OPTIONAL 0x80000000
#define RTL_QUERY_REGISTRY_SUBKEY 0x00000001
#define RTL_QUERY_REGISTRY_TOPKEY 0x00000002
#define RTL_QUERY_REGISTRY_REQUIRED 0x00000004
#define RTL_QUERY_REGISTRY_NOVALUE 0x00000008
#define RTL_QUERY_REGISTRY_NOEXPAND 0x00000010
#define RTL_QUERY_REGISTRY_DIRECT 0x00000020
#define RTL_QUERY_REGISTRY_DELETE 0x00000040
typedef NTSTATUS (WINAPI *PRTL_QUERY_REGISTRY_ROUTINE)( PCWSTR ValueName,
ULONG ValueType,
PVOID ValueData,
ULONG ValueLength,
PVOID Context,
PVOID EntryContext);
typedef struct _RTL_QUERY_REGISTRY_TABLE
{
PRTL_QUERY_REGISTRY_ROUTINE QueryRoutine;
ULONG Flags;
PWSTR Name;
PVOID EntryContext;
ULONG DefaultType;
PVOID DefaultData;
ULONG DefaultLength;
} RTL_QUERY_REGISTRY_TABLE, *PRTL_QUERY_REGISTRY_TABLE;
/******************************************************************************
* NtCreateKey [NTDLL.@]
@ -759,3 +798,476 @@ DWORD WINAPI RtlOpenCurrentUser(
RtlFreeUnicodeString(&ObjectName);
return ret;
}
static NTSTATUS RTL_ReportRegistryValue(PKEY_VALUE_FULL_INFORMATION pInfo,
PRTL_QUERY_REGISTRY_TABLE pQuery, PVOID pContext, PVOID pEnvironment)
{
PUNICODE_STRING str;
UNICODE_STRING src, dst;
LONG *bin;
ULONG offset;
PWSTR wstr;
DWORD res;
NTSTATUS status = STATUS_SUCCESS;
ULONG len;
LPWSTR String;
INT count = 0;
if (pInfo == NULL)
{
if (pQuery->Flags & RTL_QUERY_REGISTRY_DIRECT)
{
FIXME("(pInfo == NULL, pQuery->Flags & RTL_QUERY_REGISTRY_DIRECT), stub!\n");
return status;
}
else
{
status = pQuery->QueryRoutine(pQuery->Name, pQuery->DefaultType, pQuery->DefaultData,
pQuery->DefaultLength, pContext, pQuery->EntryContext);
}
return status;
}
len = pInfo->DataLength;
if (pQuery->Flags & RTL_QUERY_REGISTRY_DIRECT)
{
str = (PUNICODE_STRING)pQuery->EntryContext;
switch(pInfo->Type)
{
case REG_EXPAND_SZ:
if (!(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND))
{
RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
res = 0;
dst.MaximumLength = 0;
RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
dst.Length = 0;
dst.MaximumLength = res;
dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
dst.Length, pContext, pQuery->EntryContext);
RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
}
case REG_SZ:
case REG_LINK:
if (str->Buffer == NULL)
RtlCreateUnicodeString(str, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
else
RtlAppendUnicodeToString(str, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
break;
case REG_MULTI_SZ:
if (!(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND))
return STATUS_INVALID_PARAMETER;
if (str->Buffer == NULL)
{
str->Buffer = RtlAllocateHeap(GetProcessHeap(), 0, len);
str->MaximumLength = len;
}
len = min(len, str->MaximumLength);
memcpy(str->Buffer, ((CHAR*)pInfo) + pInfo->DataOffset, len);
str->Length = len;
break;
default:
bin = (LONG*)pQuery->EntryContext;
if (pInfo->DataLength <= sizeof(ULONG))
memcpy(bin, ((CHAR*)pInfo) + pInfo->DataOffset,
pInfo->DataLength);
else
{
if (bin[0] <= sizeof(ULONG))
{
memcpy(&bin[1], ((CHAR*)pInfo) + pInfo->DataOffset,
min(-bin[0], pInfo->DataLength));
}
else
{
len = min(bin[0], pInfo->DataLength);
bin[1] = len;
bin[2] = pInfo->Type;
memcpy(&bin[3], ((CHAR*)pInfo) + pInfo->DataOffset, len);
}
}
break;
}
}
else
{
if((pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND) ||
(pInfo->Type != REG_EXPAND_SZ && pInfo->Type != REG_MULTI_SZ))
{
status = pQuery->QueryRoutine(pInfo->Name, pInfo->Type,
((CHAR*)pInfo) + pInfo->DataOffset, pInfo->DataLength,
pContext, pQuery->EntryContext);
}
else if (pInfo->Type == REG_EXPAND_SZ)
{
RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
res = 0;
dst.MaximumLength = 0;
RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
dst.Length = 0;
dst.MaximumLength = res;
dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
dst.Length, pContext, pQuery->EntryContext);
RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
}
else /* REG_MULTI_SZ */
{
if(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND)
{
for (offset = 0; offset <= pInfo->DataLength; offset += len + sizeof(WCHAR))
{
wstr = (WCHAR*)(((CHAR*)pInfo) + offset);
len = strlenW(wstr) * sizeof(WCHAR);
status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, wstr, len,
pContext, pQuery->EntryContext);
if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
return status;
}
}
else
{
while(count<=pInfo->DataLength)
{
String = (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset)+count;
count+=strlenW(String)+1;
RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
res = 0;
dst.MaximumLength = 0;
RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
dst.Length = 0;
dst.MaximumLength = res;
dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
dst.Length, pContext, pQuery->EntryContext);
RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
return status;
}
}
}
}
return status;
}
static NTSTATUS RTL_GetKeyHandle(ULONG RelativeTo, PCWSTR Path, PHKEY handle)
{
UNICODE_STRING KeyString;
OBJECT_ATTRIBUTES regkey;
PCWSTR base;
INT len;
NTSTATUS status;
static const WCHAR empty[] = {0};
static const WCHAR control[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e',
'\\','S','y','s','t','e','m','\\','C','u','r','r','e','n','t',' ','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',0};
static const WCHAR devicemap[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
'H','a','r','d','w','a','r','e','\\','D','e','v','i','c','e','M','a','p','\\',0};
static const WCHAR services[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
'S','y','s','t','e','m','\\','C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'S','e','r','v','i','c','e','s','\\',0};
static const WCHAR user[] = {'\\','R','e','g','i','s','t','r','y','\\','U','s','e','r','\\',
'C','u','r','r','e','n','t','U','s','e','r','\\',0};
static const WCHAR windows_nt[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s',' ','N','T','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',0};
switch (RelativeTo & 0xff)
{
case RTL_REGISTRY_ABSOLUTE:
base = empty;
break;
case RTL_REGISTRY_CONTROL:
base = control;
break;
case RTL_REGISTRY_DEVICEMAP:
base = devicemap;
break;
case RTL_REGISTRY_SERVICES:
base = services;
break;
case RTL_REGISTRY_USER:
base = user;
break;
case RTL_REGISTRY_WINDOWS_NT:
base = windows_nt;
break;
default:
return STATUS_INVALID_PARAMETER;
}
len = (strlenW(base) + strlenW(Path) + 1) * sizeof(WCHAR);
KeyString.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, len);
if (KeyString.Buffer == NULL)
return STATUS_NO_MEMORY;
strcpyW(KeyString.Buffer, base);
strcatW(KeyString.Buffer, Path);
KeyString.Length = len - sizeof(WCHAR);
KeyString.MaximumLength = len;
InitializeObjectAttributes(&regkey, &KeyString, 0, NULL, NULL);
status = NtOpenKey(handle, KEY_ALL_ACCESS, &regkey);
RtlFreeHeap(GetProcessHeap(), 0, KeyString.Buffer);
return status;
}
/*************************************************************************
* RtlQueryRegistryValues [NTDLL.@]
*
* Query multiple registry values with a signle call.
*
* PARAMS
* RelativeTo [I] Registry path that Path refers to
* Path [I] Path to key
* QueryTable [I] Table of key values to query
* Context [I] Paremeter to pass to the application defined QueryRoutine function
* Environment [I] Optional parameter to use when performing expantion
*
* RETURNS
* STATUS_SUCCESS or an appropriate NTSTATUS error code.
*/
NTSTATUS WINAPI RtlQueryRegistryValues(IN ULONG RelativeTo, IN PCWSTR Path,
IN PRTL_QUERY_REGISTRY_TABLE QueryTable, IN PVOID Context,
IN PVOID Environment OPTIONAL)
{
UNICODE_STRING Value;
HKEY handle, topkey;
PKEY_VALUE_FULL_INFORMATION pInfo = NULL;
ULONG len, buflen = 0;
NTSTATUS status=STATUS_SUCCESS, ret = STATUS_SUCCESS;
INT i;
TRACE("(%ld, %s, %p, %p, %p)\n", RelativeTo, debugstr_w(Path), QueryTable, Context, Environment);
/* get a valid handle */
if (RelativeTo & RTL_REGISTRY_HANDLE)
topkey = handle = (HANDLE)Path;
else
{
status = RTL_GetKeyHandle(RelativeTo, Path, &topkey);
handle = topkey;
}
if(status != STATUS_SUCCESS)
return status;
/* Process query table entries */
for (; QueryTable->QueryRoutine != NULL || QueryTable->Name != NULL; ++QueryTable)
{
if (QueryTable->Flags &
(RTL_QUERY_REGISTRY_SUBKEY | RTL_QUERY_REGISTRY_TOPKEY))
{
/* topkey must be kept open just in case we will reuse it later */
if (handle != topkey)
NtClose(handle);
if (QueryTable->Flags & RTL_QUERY_REGISTRY_SUBKEY)
{
handle = 0;
status = RTL_GetKeyHandle((ULONG)QueryTable->Name, Path, &handle);
if(status != STATUS_SUCCESS)
{
ret = status;
goto out;
}
}
else
handle = topkey;
}
if (QueryTable->Flags & RTL_QUERY_REGISTRY_NOVALUE)
{
QueryTable->QueryRoutine(QueryTable->Name, REG_NONE, NULL, 0,
Context, QueryTable->EntryContext);
continue;
}
if (!handle)
{
if (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED)
{
ret = STATUS_OBJECT_NAME_NOT_FOUND;
goto out;
}
continue;
}
if (QueryTable->Name == NULL)
{
if (QueryTable->Flags & RTL_QUERY_REGISTRY_DIRECT)
{
ret = STATUS_INVALID_PARAMETER;
goto out;
}
/* Report all subkeys */
for (i = 0;; ++i)
{
status = NtEnumerateValueKey(handle, i,
KeyValueFullInformation, pInfo, buflen, &len);
if (status == STATUS_NO_MORE_ENTRIES)
break;
if (status == STATUS_BUFFER_OVERFLOW ||
status == STATUS_BUFFER_TOO_SMALL)
{
buflen = len;
RtlFreeHeap(GetProcessHeap(), 0, pInfo);
pInfo = (KEY_VALUE_FULL_INFORMATION*)RtlAllocateHeap(
GetProcessHeap(), 0, buflen);
NtEnumerateValueKey(handle, i, KeyValueFullInformation,
pInfo, buflen, &len);
}
status = RTL_ReportRegistryValue(pInfo, QueryTable, Context, Environment);
if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
{
ret = status;
goto out;
}
if (QueryTable->Flags & RTL_QUERY_REGISTRY_DELETE)
{
RtlInitUnicodeString(&Value, pInfo->Name);
NtDeleteValueKey(handle, &Value);
}
}
if (i == 0 && (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED))
{
ret = STATUS_OBJECT_NAME_NOT_FOUND;
goto out;
}
}
else
{
RtlInitUnicodeString(&Value, QueryTable->Name);
status = NtQueryValueKey(handle, &Value, KeyValueFullInformation,
pInfo, buflen, &len);
if (status == STATUS_BUFFER_OVERFLOW ||
status == STATUS_BUFFER_TOO_SMALL)
{
buflen = len;
RtlFreeHeap(GetProcessHeap(), 0, pInfo);
pInfo = (KEY_VALUE_FULL_INFORMATION*)RtlAllocateHeap(
GetProcessHeap(), 0, buflen);
status = NtQueryValueKey(handle, &Value,
KeyValueFullInformation, pInfo, buflen, &len);
}
if (status != STATUS_SUCCESS)
{
if (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED)
{
ret = STATUS_OBJECT_NAME_NOT_FOUND;
goto out;
}
status = RTL_ReportRegistryValue(NULL, QueryTable, Context, Environment);
if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
{
ret = status;
goto out;
}
}
else
{
status = RTL_ReportRegistryValue(pInfo, QueryTable, Context, Environment);
if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
{
ret = status;
goto out;
}
if (QueryTable->Flags & RTL_QUERY_REGISTRY_DELETE)
NtDeleteValueKey(handle, &Value);
}
}
}
out:
RtlFreeHeap(GetProcessHeap(), 0, pInfo);
if (handle != topkey)
NtClose(handle);
NtClose(topkey);
return ret;
}
/*************************************************************************
* RtlCheckRegistryKey [NTDLL.@]
*
* Query multiple registry values with a signle call.
*
* PARAMS
* RelativeTo [I] Registry path that Path refers to
* Path [I] Path to key
*
* RETURNS
* STATUS_SUCCESS if the specified key exists, or an NTSTATUS error code.
*/
NTSTATUS WINAPI RtlCheckRegistryKey(IN ULONG RelativeTo, IN PWSTR Path)
{
HKEY handle;
NTSTATUS status;
TRACE("(%ld, %s)\n", RelativeTo, debugstr_w(Path));
if((!RelativeTo) && Path == NULL)
return STATUS_OBJECT_PATH_SYNTAX_BAD;
if(RelativeTo & RTL_REGISTRY_HANDLE)
return STATUS_SUCCESS;
status = RTL_GetKeyHandle(RelativeTo, Path, &handle);
if (handle) NtClose(handle);
if (status == STATUS_INVALID_HANDLE) status = STATUS_OBJECT_NAME_NOT_FOUND;
return status;
}
/*************************************************************************
* RtlDeleteRegistryValue [NTDLL.@]
*
* Query multiple registry values with a signle call.
*
* PARAMS
* RelativeTo [I] Registry path that Path refers to
* Path [I] Path to key
* ValueName [I] Name of the value to delete
*
* RETURNS
* STATUS_SUCCESS if the specified key is sucesfully deleted, or an NTSTATUS error code.
*/
NTSTATUS RtlDeleteRegistryValue(IN ULONG RelativeTo, IN PCWSTR Path, IN PCWSTR ValueName)
{
NTSTATUS status;
HKEY handle;
UNICODE_STRING Value;
TRACE("(%ld, %s, %s)\n", RelativeTo, debugstr_w(Path), debugstr_w(ValueName));
RtlInitUnicodeString(&Value, ValueName);
if(RelativeTo == RTL_REGISTRY_HANDLE)
{
return NtDeleteValueKey((HKEY)Path, &Value);
}
status = RTL_GetKeyHandle(RelativeTo, Path, &handle);
if (status) return status;
status = NtDeleteValueKey(handle, &Value);
NtClose(handle);
return status;
}