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https://github.com/reactos/reactos.git
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768 lines
20 KiB
C
768 lines
20 KiB
C
/*
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* ReactOS kernel
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* Copyright (C) 2003 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* PURPOSE: Computer name functions
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* FILE: dll/win32/kernel32/client/compname.c
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* PROGRAMER: Eric Kohl
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*/
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/* INCLUDES ******************************************************************/
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#include <k32.h>
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS *****************************************************************/
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static
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BOOL
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GetComputerNameFromRegistry(LPWSTR RegistryKey,
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LPWSTR ValueNameStr,
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LPWSTR lpBuffer,
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LPDWORD nSize)
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{
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PKEY_VALUE_PARTIAL_INFORMATION KeyInfo;
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING KeyName;
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UNICODE_STRING ValueName;
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HANDLE KeyHandle;
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ULONG KeyInfoSize;
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ULONG ReturnSize;
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NTSTATUS Status;
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if (lpBuffer != NULL && *nSize > 0)
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lpBuffer[0] = 0;
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RtlInitUnicodeString(&KeyName, RegistryKey);
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Status = NtOpenKey(&KeyHandle,
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KEY_READ,
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&ObjectAttributes);
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if (!NT_SUCCESS(Status))
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{
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BaseSetLastNTError (Status);
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return FALSE;
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}
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KeyInfoSize = sizeof(KEY_VALUE_PARTIAL_INFORMATION) + *nSize * sizeof(WCHAR);
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KeyInfo = RtlAllocateHeap(RtlGetProcessHeap(), 0, KeyInfoSize);
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if (KeyInfo == NULL)
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{
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NtClose(KeyHandle);
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SetLastError(ERROR_OUTOFMEMORY);
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return FALSE;
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}
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RtlInitUnicodeString(&ValueName, ValueNameStr);
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Status = NtQueryValueKey(KeyHandle,
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&ValueName,
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KeyValuePartialInformation,
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KeyInfo,
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KeyInfoSize,
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&ReturnSize);
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NtClose(KeyHandle);
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if (!NT_SUCCESS(Status))
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{
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*nSize = (ReturnSize - FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data)) / sizeof(WCHAR);
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goto failed;
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}
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if (KeyInfo->Type != REG_SZ)
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{
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Status = STATUS_UNSUCCESSFUL;
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goto failed;
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}
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if (!lpBuffer || *nSize < (KeyInfo->DataLength / sizeof(WCHAR)))
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{
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*nSize = (ReturnSize - FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data)) / sizeof(WCHAR);
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Status = STATUS_BUFFER_OVERFLOW;
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goto failed;
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}
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*nSize = KeyInfo->DataLength / sizeof(WCHAR) - 1;
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RtlCopyMemory(lpBuffer, KeyInfo->Data, KeyInfo->DataLength);
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lpBuffer[*nSize] = 0;
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RtlFreeHeap(RtlGetProcessHeap(), 0, KeyInfo);
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return TRUE;
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failed:
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RtlFreeHeap(RtlGetProcessHeap(), 0, KeyInfo);
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BaseSetLastNTError(Status);
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return FALSE;
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}
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static
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BOOL
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SetActiveComputerNameToRegistry(LPCWSTR RegistryKey,
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LPCWSTR SubKey,
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LPCWSTR ValueNameStr,
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LPCWSTR lpBuffer)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING KeyName;
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UNICODE_STRING ValueName;
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HANDLE KeyHandle, SubKeyHandle;
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SIZE_T StringLength;
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ULONG Disposition;
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NTSTATUS Status;
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StringLength = wcslen(lpBuffer);
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if (StringLength > ((MAXULONG / sizeof(WCHAR)) - 1))
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{
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return FALSE;
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}
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RtlInitUnicodeString(&KeyName, RegistryKey);
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Status = NtOpenKey(&KeyHandle,
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KEY_WRITE,
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&ObjectAttributes);
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if (!NT_SUCCESS(Status))
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{
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BaseSetLastNTError(Status);
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return FALSE;
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}
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RtlInitUnicodeString(&KeyName, SubKey);
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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KeyHandle,
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NULL);
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Status = NtCreateKey(&SubKeyHandle,
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KEY_WRITE,
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&ObjectAttributes,
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0,
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NULL,
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REG_OPTION_VOLATILE,
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&Disposition);
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if (!NT_SUCCESS(Status))
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{
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NtClose(KeyHandle);
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BaseSetLastNTError(Status);
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return FALSE;
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}
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RtlInitUnicodeString(&ValueName, ValueNameStr);
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Status = NtSetValueKey(SubKeyHandle,
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&ValueName,
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0,
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REG_SZ,
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(PVOID)lpBuffer,
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(StringLength + 1) * sizeof(WCHAR));
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if (!NT_SUCCESS(Status))
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{
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NtClose(SubKeyHandle);
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NtClose(KeyHandle);
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BaseSetLastNTError(Status);
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return FALSE;
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}
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NtFlushKey(SubKeyHandle);
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NtClose(SubKeyHandle);
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NtClose(KeyHandle);
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return TRUE;
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}
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/*
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* @implemented
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*/
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BOOL
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WINAPI
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GetComputerNameExW(COMPUTER_NAME_FORMAT NameType,
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LPWSTR lpBuffer,
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LPDWORD nSize)
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{
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UNICODE_STRING ResultString;
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UNICODE_STRING DomainPart;
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RTL_QUERY_REGISTRY_TABLE QueryTable[2];
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NTSTATUS Status;
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BOOL ret = TRUE;
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DWORD HostSize;
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if ((nSize == NULL) ||
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(lpBuffer == NULL && *nSize > 0))
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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switch (NameType)
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{
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case ComputerNameNetBIOS:
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ret = GetComputerNameFromRegistry(L"\\Registry\\Machine\\System\\CurrentControlSet"
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L"\\Control\\ComputerName\\ActiveComputerName",
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L"ComputerName",
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lpBuffer,
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nSize);
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if ((ret == FALSE) &&
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(GetLastError() != ERROR_MORE_DATA))
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{
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ret = GetComputerNameFromRegistry(L"\\Registry\\Machine\\System\\CurrentControlSet"
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L"\\Control\\ComputerName\\ComputerName",
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L"ComputerName",
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lpBuffer,
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nSize);
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if (ret)
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{
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ret = SetActiveComputerNameToRegistry(L"\\Registry\\Machine\\System\\CurrentControlSet"
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L"\\Control\\ComputerName",
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L"ActiveComputerName",
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L"ComputerName",
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lpBuffer);
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}
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}
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return ret;
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case ComputerNameDnsDomain:
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return GetComputerNameFromRegistry(L"\\Registry\\Machine\\System\\CurrentControlSet"
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L"\\Services\\Tcpip\\Parameters",
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L"Domain",
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lpBuffer,
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nSize);
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case ComputerNameDnsFullyQualified:
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ResultString.Length = 0;
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ResultString.MaximumLength = (USHORT)*nSize * sizeof(WCHAR);
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ResultString.Buffer = lpBuffer;
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RtlZeroMemory(QueryTable, sizeof(QueryTable));
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RtlInitUnicodeString(&DomainPart, NULL);
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QueryTable[0].Name = L"HostName";
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QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
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QueryTable[0].EntryContext = &DomainPart;
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Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
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L"\\Registry\\Machine\\System"
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L"\\CurrentControlSet\\Services\\Tcpip"
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L"\\Parameters",
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QueryTable,
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NULL,
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NULL);
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if (NT_SUCCESS(Status))
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{
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Status = RtlAppendUnicodeStringToString(&ResultString, &DomainPart);
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HostSize = DomainPart.Length;
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if (!NT_SUCCESS(Status))
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{
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ret = FALSE;
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}
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RtlAppendUnicodeToString(&ResultString, L".");
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RtlFreeUnicodeString(&DomainPart);
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RtlInitUnicodeString(&DomainPart, NULL);
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QueryTable[0].Name = L"Domain";
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QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
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QueryTable[0].EntryContext = &DomainPart;
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Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
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L"\\Registry\\Machine\\System"
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L"\\CurrentControlSet\\Services\\Tcpip"
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L"\\Parameters",
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QueryTable,
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NULL,
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NULL);
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if (NT_SUCCESS(Status))
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{
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Status = RtlAppendUnicodeStringToString(&ResultString, &DomainPart);
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if ((!NT_SUCCESS(Status)) || (!ret))
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{
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*nSize = HostSize + DomainPart.Length;
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SetLastError(ERROR_MORE_DATA);
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RtlFreeUnicodeString(&DomainPart);
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return FALSE;
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}
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RtlFreeUnicodeString(&DomainPart);
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*nSize = ResultString.Length / sizeof(WCHAR) - 1;
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return TRUE;
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}
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}
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return FALSE;
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case ComputerNameDnsHostname:
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return GetComputerNameFromRegistry(L"\\Registry\\Machine\\System\\CurrentControlSet"
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L"\\Services\\Tcpip\\Parameters",
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L"Hostname",
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lpBuffer,
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nSize);
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case ComputerNamePhysicalDnsDomain:
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return GetComputerNameFromRegistry(L"\\Registry\\Machine\\System\\CurrentControlSet"
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L"\\Services\\Tcpip\\Parameters",
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L"Domain",
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lpBuffer,
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nSize);
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/* XXX Redo these */
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case ComputerNamePhysicalDnsFullyQualified:
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return GetComputerNameExW(ComputerNameDnsFullyQualified,
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lpBuffer,
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nSize);
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case ComputerNamePhysicalDnsHostname:
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return GetComputerNameExW(ComputerNameDnsHostname,
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lpBuffer,
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nSize);
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case ComputerNamePhysicalNetBIOS:
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return GetComputerNameExW(ComputerNameNetBIOS,
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lpBuffer,
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nSize);
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case ComputerNameMax:
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return FALSE;
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}
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return FALSE;
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}
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/*
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* @implemented
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*/
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BOOL
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WINAPI
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GetComputerNameExA(COMPUTER_NAME_FORMAT NameType,
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LPSTR lpBuffer,
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LPDWORD nSize)
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{
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UNICODE_STRING UnicodeString;
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ANSI_STRING AnsiString;
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BOOL Result;
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PWCHAR TempBuffer = NULL;
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if ((nSize == NULL) ||
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(lpBuffer == NULL && *nSize > 0))
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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if (*nSize > 0)
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{
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TempBuffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, *nSize * sizeof(WCHAR));
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if (!TempBuffer)
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{
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return FALSE;
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}
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}
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AnsiString.MaximumLength = (USHORT)*nSize;
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AnsiString.Length = 0;
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AnsiString.Buffer = lpBuffer;
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Result = GetComputerNameExW(NameType, TempBuffer, nSize);
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if (Result)
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{
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UnicodeString.MaximumLength = (USHORT)*nSize * sizeof(WCHAR) + sizeof(WCHAR);
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UnicodeString.Length = (USHORT)*nSize * sizeof(WCHAR);
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UnicodeString.Buffer = TempBuffer;
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RtlUnicodeStringToAnsiString(&AnsiString,
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&UnicodeString,
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FALSE);
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}
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RtlFreeHeap(RtlGetProcessHeap(), 0, TempBuffer);
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return Result;
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}
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/*
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* @implemented
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*/
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BOOL
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WINAPI
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GetComputerNameA(LPSTR lpBuffer, LPDWORD lpnSize)
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{
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BOOL ret;
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ret = GetComputerNameExA(ComputerNameNetBIOS, lpBuffer, lpnSize);
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if (!ret && GetLastError() == ERROR_MORE_DATA)
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SetLastError(ERROR_BUFFER_OVERFLOW);
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return ret;
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}
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/*
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* @implemented
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*/
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BOOL
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WINAPI
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GetComputerNameW(LPWSTR lpBuffer, LPDWORD lpnSize)
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{
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BOOL ret;
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ret = GetComputerNameExW(ComputerNameNetBIOS, lpBuffer, lpnSize);
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if (!ret && GetLastError() == ERROR_MORE_DATA)
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SetLastError(ERROR_BUFFER_OVERFLOW);
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return ret;
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}
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/*
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* @implemented
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*/
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static
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BOOL
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IsValidComputerName(COMPUTER_NAME_FORMAT NameType,
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LPCWSTR lpComputerName)
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{
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PWCHAR p;
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ULONG Length;
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/* FIXME: do verification according to NameType */
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Length = 0;
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p = (PWCHAR)lpComputerName;
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while (*p != 0)
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{
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if (!(iswctype(*p, _ALPHA | _DIGIT) || *p == L'!' || *p == L'@' || *p == L'#' ||
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*p == L'$' || *p == L'%' || *p == L'^' || *p == L'&' || *p == L'\'' ||
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*p == L')' || *p == L'(' || *p == L'.' || *p == L'-' || *p == L'_' ||
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*p == L'{' || *p == L'}' || *p == L'~'))
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return FALSE;
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Length++;
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p++;
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}
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if (Length == 0 || Length > MAX_COMPUTERNAME_LENGTH)
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return FALSE;
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return TRUE;
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}
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static
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BOOL
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SetComputerNameToRegistry(LPCWSTR RegistryKey,
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LPCWSTR ValueNameStr,
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LPCWSTR lpBuffer)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING KeyName;
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UNICODE_STRING ValueName;
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HANDLE KeyHandle;
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SIZE_T StringLength;
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NTSTATUS Status;
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StringLength = wcslen(lpBuffer);
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if (StringLength > ((MAXULONG / sizeof(WCHAR)) - 1))
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{
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return FALSE;
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}
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RtlInitUnicodeString(&KeyName, RegistryKey);
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Status = NtOpenKey(&KeyHandle,
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KEY_WRITE,
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&ObjectAttributes);
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if (!NT_SUCCESS(Status))
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{
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BaseSetLastNTError(Status);
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return FALSE;
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}
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RtlInitUnicodeString(&ValueName, ValueNameStr);
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Status = NtSetValueKey(KeyHandle,
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&ValueName,
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0,
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REG_SZ,
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(PVOID)lpBuffer,
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(StringLength + 1) * sizeof(WCHAR));
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if (!NT_SUCCESS(Status))
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{
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NtClose(KeyHandle);
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BaseSetLastNTError(Status);
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return FALSE;
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}
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NtFlushKey(KeyHandle);
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NtClose(KeyHandle);
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return TRUE;
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}
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/*
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* @implemented
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*/
|
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BOOL
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WINAPI
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SetComputerNameA(LPCSTR lpComputerName)
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{
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return SetComputerNameExA(ComputerNamePhysicalNetBIOS, lpComputerName);
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}
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/*
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* @implemented
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*/
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BOOL
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WINAPI
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SetComputerNameW(LPCWSTR lpComputerName)
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{
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return SetComputerNameExW(ComputerNamePhysicalNetBIOS, lpComputerName);
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}
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|
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/*
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* @implemented
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*/
|
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BOOL
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WINAPI
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SetComputerNameExA(COMPUTER_NAME_FORMAT NameType,
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LPCSTR lpBuffer)
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{
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UNICODE_STRING Buffer;
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BOOL bResult;
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RtlCreateUnicodeStringFromAsciiz(&Buffer, (LPSTR)lpBuffer);
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bResult = SetComputerNameExW(NameType, Buffer.Buffer);
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RtlFreeUnicodeString(&Buffer);
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return bResult;
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}
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/*
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* @implemented
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*/
|
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BOOL
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WINAPI
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SetComputerNameExW(COMPUTER_NAME_FORMAT NameType,
|
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LPCWSTR lpBuffer)
|
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{
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if (!IsValidComputerName(NameType, lpBuffer))
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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switch( NameType )
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{
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case ComputerNamePhysicalDnsDomain:
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return SetComputerNameToRegistry(L"\\Registry\\Machine\\System\\CurrentControlSet"
|
|
L"\\Services\\Tcpip\\Parameters",
|
|
L"Domain",
|
|
lpBuffer);
|
|
|
|
case ComputerNamePhysicalDnsHostname:
|
|
return SetComputerNameToRegistry(L"\\Registry\\Machine\\System\\CurrentControlSet"
|
|
L"\\Services\\Tcpip\\Parameters",
|
|
L"Hostname",
|
|
lpBuffer);
|
|
|
|
case ComputerNamePhysicalNetBIOS:
|
|
return SetComputerNameToRegistry(L"\\Registry\\Machine\\System\\CurrentControlSet"
|
|
L"\\Control\\ComputerName\\ComputerName",
|
|
L"ComputerName",
|
|
lpBuffer);
|
|
|
|
default:
|
|
SetLastError (ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
BOOL
|
|
WINAPI
|
|
DnsHostnameToComputerNameA(LPCSTR Hostname,
|
|
LPSTR ComputerName,
|
|
LPDWORD nSize)
|
|
{
|
|
DWORD len;
|
|
|
|
DPRINT("(%s, %p, %p)\n", Hostname, ComputerName, nSize);
|
|
|
|
if (!Hostname || !nSize)
|
|
return FALSE;
|
|
|
|
len = lstrlenA(Hostname);
|
|
|
|
if (len > MAX_COMPUTERNAME_LENGTH)
|
|
len = MAX_COMPUTERNAME_LENGTH;
|
|
|
|
if (*nSize < len)
|
|
{
|
|
*nSize = len;
|
|
return FALSE;
|
|
}
|
|
|
|
if (!ComputerName) return FALSE;
|
|
|
|
memcpy(ComputerName, Hostname, len);
|
|
ComputerName[len + 1] = 0;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
BOOL
|
|
WINAPI
|
|
DnsHostnameToComputerNameW(LPCWSTR hostname,
|
|
LPWSTR computername,
|
|
LPDWORD size)
|
|
{
|
|
DWORD len;
|
|
|
|
DPRINT("(%s, %p, %p): stub\n", hostname, computername, size);
|
|
|
|
if (!hostname || !size) return FALSE;
|
|
len = lstrlenW(hostname);
|
|
|
|
if (len > MAX_COMPUTERNAME_LENGTH)
|
|
len = MAX_COMPUTERNAME_LENGTH;
|
|
|
|
if (*size < len)
|
|
{
|
|
*size = len;
|
|
return FALSE;
|
|
}
|
|
if (!computername) return FALSE;
|
|
|
|
memcpy(computername, hostname, len * sizeof(WCHAR));
|
|
computername[len + 1] = 0;
|
|
return TRUE;
|
|
}
|
|
|
|
DWORD
|
|
WINAPI
|
|
AddLocalAlternateComputerNameA(LPSTR lpName, PNTSTATUS Status)
|
|
{
|
|
STUB;
|
|
return 0;
|
|
}
|
|
|
|
DWORD
|
|
WINAPI
|
|
AddLocalAlternateComputerNameW(LPWSTR lpName, PNTSTATUS Status)
|
|
{
|
|
STUB;
|
|
return 0;
|
|
}
|
|
|
|
DWORD
|
|
WINAPI
|
|
EnumerateLocalComputerNamesA(PVOID pUnknown, DWORD Size, LPSTR lpBuffer, LPDWORD lpnSize)
|
|
{
|
|
STUB;
|
|
return ERROR_CALL_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
DWORD
|
|
WINAPI
|
|
EnumerateLocalComputerNamesW(PVOID pUnknown, DWORD Size, LPWSTR lpBuffer, LPDWORD lpnSize)
|
|
{
|
|
STUB;
|
|
return ERROR_CALL_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
DWORD
|
|
WINAPI
|
|
RemoveLocalAlternateComputerNameA(LPSTR lpName, DWORD Unknown)
|
|
{
|
|
STUB;
|
|
return ERROR_CALL_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
DWORD
|
|
WINAPI
|
|
RemoveLocalAlternateComputerNameW(LPWSTR lpName, DWORD Unknown)
|
|
{
|
|
STUB;
|
|
return ERROR_CALL_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
/*
|
|
* @unimplemented
|
|
*/
|
|
BOOL
|
|
WINAPI
|
|
SetLocalPrimaryComputerNameA(IN DWORD Unknown1,
|
|
IN DWORD Unknown2)
|
|
{
|
|
STUB;
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* @unimplemented
|
|
*/
|
|
BOOL
|
|
WINAPI
|
|
SetLocalPrimaryComputerNameW(IN DWORD Unknown1,
|
|
IN DWORD Unknown2)
|
|
{
|
|
STUB;
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/* EOF */
|