650 lines
17 KiB
C++
650 lines
17 KiB
C++
/*++
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Microsoft Windows
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Copyright (C) Microsoft Corporation, 1998 - 2001
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Module Name:
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rename.c
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Abstract:
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Handles the various functions for renaming computers/domains
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--*/
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#include "pch.h"
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#pragma hdrstop
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#include <netdom.h>
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DWORD
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NetDompHandleRename(ARG_RECORD * rgNetDomArgs)
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/*++
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Routine Description:
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This function will rename the domain a BDC is in
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Arguments:
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Args - List of command line arguments
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Return Value:
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ERROR_INVALID_PARAMETER - No object name was supplied
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--*/
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{
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DWORD Win32Err = ERROR_SUCCESS;
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PWSTR Domain = NULL;
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PDOMAIN_CONTROLLER_INFO DcInfo = NULL;
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LSA_HANDLE PdcHandle = NULL, BdcHandle = NULL;
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NTSTATUS Status;
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UNICODE_STRING Server;
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OBJECT_ATTRIBUTES OA;
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PPOLICY_PRIMARY_DOMAIN_INFO PdcPolicyPDI = NULL, BdcPolicyPDI = NULL;
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PPOLICY_ACCOUNT_DOMAIN_INFO PdcPolicyADI = NULL;
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PWSTR Object = rgNetDomArgs[eObject].strValue;
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if ( !Object ) {
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DisplayHelp(ePriRename);
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return( ERROR_INVALID_PARAMETER );
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}
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Win32Err = NetDompValidateSecondaryArguments(rgNetDomArgs,
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eObject,
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eCommDomain,
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eCommRestart,
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eCommVerbose,
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eArgEnd);
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if ( Win32Err != ERROR_SUCCESS )
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{
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DisplayHelp(ePriRename);
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return Win32Err;
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}
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//
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// Ok, make sure that we have a specified domain...
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//
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Win32Err = NetDompGetDomainForOperation(rgNetDomArgs,
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Object,
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TRUE,
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&Domain);
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if ( Win32Err != ERROR_SUCCESS ) {
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goto HandleRenameExit;
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}
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//
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// Get the name of a domain controller
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//
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Win32Err = DsGetDcName( NULL,
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Domain,
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NULL,
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NULL,
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DS_PDC_REQUIRED,
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&DcInfo );
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if ( Win32Err != ERROR_SUCCESS ) {
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goto HandleRenameExit;
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}
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InitializeObjectAttributes( &OA, NULL, 0, NULL, NULL );
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RtlInitUnicodeString( &Server, DcInfo->DomainControllerName );
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Status = LsaOpenPolicy( &Server,
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&OA,
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POLICY_VIEW_LOCAL_INFORMATION,
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&PdcHandle );
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if ( NT_SUCCESS( Status ) ) {
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Status = LsaQueryInformationPolicy( PdcHandle,
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PolicyPrimaryDomainInformation,
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( PVOID * )&PdcPolicyPDI );
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if ( NT_SUCCESS( Status ) ) {
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Status = LsaQueryInformationPolicy( PdcHandle,
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PolicyAccountDomainInformation,
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( PVOID * )&PdcPolicyADI );
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if ( NT_SUCCESS( Status ) ) {
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RtlInitUnicodeString( &Server, Object );
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Status = LsaOpenPolicy( &Server,
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&OA,
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POLICY_VIEW_LOCAL_INFORMATION,
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&BdcHandle );
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if ( NT_SUCCESS( Status ) ) {
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Status = LsaQueryInformationPolicy( BdcHandle,
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PolicyPrimaryDomainInformation,
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( PVOID * )&BdcPolicyPDI );
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}
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}
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}
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}
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if ( !NT_SUCCESS( Status ) ) {
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Win32Err = RtlNtStatusToDosError( Status );
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goto HandleRenameExit;
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}
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//
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// See if they are the same domain
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//
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if ( !PdcPolicyPDI->Sid || !BdcPolicyPDI->Sid ||
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!RtlEqualSid( BdcPolicyPDI->Sid, PdcPolicyPDI->Sid ) ) {
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Win32Err = ERROR_INVALID_DOMAIN_STATE;
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goto HandleRenameExit;
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}
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//
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// If they have the same name, do nothing...
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//
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if ( RtlCompareUnicodeString( &PdcPolicyPDI->Name, &BdcPolicyPDI->Name, TRUE ) ) {
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goto HandleRenameExit;
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}
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//
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// Otherwise, set it..
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//
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Status = LsaSetInformationPolicy( BdcHandle,
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PolicyPrimaryDomainInformation,
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( PVOID )PdcPolicyPDI );
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if ( NT_SUCCESS( Status ) ) {
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Status = LsaSetInformationPolicy( BdcHandle,
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PolicyAccountDomainInformation,
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( PVOID )PdcPolicyADI );
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//
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// Restore the original, if possible
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//
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if ( !NT_SUCCESS( Status ) ) {
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NTSTATUS Status2 = LsaSetInformationPolicy( BdcHandle,
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PolicyPrimaryDomainInformation,
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( PVOID )BdcPolicyPDI );
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if ( !NT_SUCCESS( Status2 ) ) {
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NetDompDisplayMessage( MSG_FAIL_RENAME_RESTORE, Object );
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NetDompDisplayErrorMessage( RtlNtStatusToDosError( Status2 ) );
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}
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}
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}
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if ( !NT_SUCCESS( Status ) ) {
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Win32Err = RtlNtStatusToDosError( Status );
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goto HandleRenameExit;
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}
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//
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// Finally, reboot if necessary
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//
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NetDompRestartAsRequired(rgNetDomArgs,
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Object,
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NULL,
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Win32Err,
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MSG_DOMAIN_CHANGE_RESTART_MSG);
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HandleRenameExit:
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NetApiBufferFree( Domain );
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NetApiBufferFree( DcInfo );
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if ( PdcHandle ) {
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LsaClose( PdcHandle );
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}
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if ( BdcHandle ) {
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LsaClose( BdcHandle );
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}
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LsaFreeMemory( PdcPolicyPDI );
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LsaFreeMemory( PdcPolicyADI );
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LsaFreeMemory( BdcPolicyPDI );
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if (NO_ERROR != Win32Err)
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{
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NetDompDisplayErrorMessage(Win32Err);
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}
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return( Win32Err );
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}
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//+----------------------------------------------------------------------------
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//
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// Function: CheckNewName
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//
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// Synopsis: Validate the new computer name performing the same checks as
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// NetID
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//
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//-----------------------------------------------------------------------------
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DWORD CheckNewName(PWSTR pwzNewName)
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{
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DWORD dwErr = ERROR_SUCCESS;
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int cchName, i;
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DWORD size = CNLEN + 1;
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WCHAR wzNBname[CNLEN + 1] = {0};
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WORD rgwCharType[CNLEN + 1] = {0};
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BOOL fNumber = TRUE;
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//
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// Validate the computer name (logic same as NetID).
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//
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cchName = (int)wcslen( pwzNewName ); // cheap test first
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if ( DNS_MAX_LABEL_LENGTH < cchName )
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{
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NetDompDisplayMessage( MSG_DNS_LABEL_TOO_LONG, pwzNewName, DNS_MAX_LABEL_LENGTH );
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dwErr = ERROR_INVALID_PARAMETER;
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return dwErr;
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}
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cchName = WideCharToMultiByte( CP_UTF8,
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0,
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pwzNewName,
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cchName,
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0,
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0,
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0,
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0 );
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if ( DNS_MAX_LABEL_LENGTH < cchName )
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{
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NetDompDisplayMessage( MSG_DNS_LABEL_TOO_LONG, pwzNewName, DNS_MAX_LABEL_LENGTH );
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dwErr = ERROR_INVALID_PARAMETER;
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return dwErr;
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}
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dwErr = DnsValidateName( pwzNewName, DnsNameHostnameLabel );
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switch ( dwErr )
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{
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case ERROR_INVALID_NAME:
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case DNS_ERROR_INVALID_NAME_CHAR:
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case DNS_ERROR_NUMERIC_NAME:
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NetDompDisplayMessage( MSG_DNS_LABEL_SYNTAX, pwzNewName );
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return dwErr;
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case DNS_ERROR_NON_RFC_NAME:
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//
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// Not an error, print warning message.
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//
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NetDompDisplayMessage( MSG_DNS_LABEL_WARN_RFC, pwzNewName );
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dwErr = NO_ERROR;
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break;
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case ERROR_SUCCESS:
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break;
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}
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if ( !DnsHostnameToComputerName( pwzNewName, wzNBname, &size ) )
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{
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dwErr = GetLastError();
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NetDompDisplayMessage( MSG_CONVERSION_TO_NETBIOS_NAME_FAILED, pwzNewName );
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return dwErr;
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}
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if ( ( cchName = (int)wcslen( wzNBname ) ) == 0 )
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{
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dwErr = ERROR_INVALID_COMPUTERNAME;
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NetDompDisplayMessage( MSG_CONVERSION_TO_NETBIOS_NAME_FAILED, pwzNewName );
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return dwErr;
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}
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if ( !GetStringTypeEx( LOCALE_USER_DEFAULT,
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CT_CTYPE1,
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wzNBname,
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cchName,
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rgwCharType ) )
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{
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dwErr = GetLastError();
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return dwErr;
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}
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for ( i = 0; i < cchName; i++ )
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{
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if ( !( rgwCharType[i] & C1_DIGIT ) )
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{
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fNumber = FALSE;
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break;
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}
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}
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if ( fNumber )
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{
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dwErr = ERROR_INVALID_COMPUTERNAME;
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NetDompDisplayMessage( MSG_NETBIOS_NAME_NUMERIC, wzNBname, CNLEN );
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return dwErr;
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}
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// The NetID code does further NetBIOS name validation which is repeated here.
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// This test is probably not necessary since the DNS name syntax is actually
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// more restrictive than NetBIOS and errors would be caught above by DnsValidateName.
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//
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if ( I_NetNameValidate( 0, wzNBname, NAMETYPE_COMPUTER, LM2X_COMPATIBLE ) != NERR_Success )
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{
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dwErr = ERROR_INVALID_COMPUTERNAME;
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NetDompDisplayMessage( MSG_BAD_NETBIOS_CHARACTERS );
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return dwErr;
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}
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if ( cchName < (int)wcslen( pwzNewName ) )
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{
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NetDompDisplayMessage( MSG_NAME_TRUNCATED, CNLEN, wzNBname );
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}
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return dwErr;
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}
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//+----------------------------------------------------------------------------
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//
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// Function: OkToRename
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//
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// Synopsis: Return failure code if the machine is a CA server or if in the
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// middle of DCPromo or a role change.
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//
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//-----------------------------------------------------------------------------
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DWORD OkToRename( PWSTR pwzComputer )
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{
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PDSROLE_OPERATION_STATE_INFO pRoleState;
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PDSROLE_UPGRADE_STATUS_INFO pRoleUpgrade;
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DWORD dwErr;
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SC_HANDLE hSc, hCA;
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// Is the machine a DC in the middle of an upgrade?
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dwErr = DsRoleGetPrimaryDomainInformation( pwzComputer,
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DsRoleUpgradeStatus,
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(PBYTE *) &pRoleUpgrade );
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if ( ERROR_SUCCESS != dwErr )
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{
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NetDompDisplayMessage( MSG_ROLE_READ_FAILED, pwzComputer, dwErr );
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return dwErr;
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}
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if ( pRoleUpgrade->OperationState & DSROLE_UPGRADE_IN_PROGRESS )
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{
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DsRoleFreeMemory( pRoleUpgrade );
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NetDompDisplayMessage( MSG_MUST_COMPLETE_DCPROMO );
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return ERROR_DS_UNWILLING_TO_PERFORM;
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}
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DsRoleFreeMemory( pRoleUpgrade );
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// Is the machine in the midst of changing its role?
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dwErr = DsRoleGetPrimaryDomainInformation( pwzComputer,
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DsRoleOperationState,
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(PBYTE *) &pRoleState );
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if ( ERROR_SUCCESS != dwErr )
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{
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NetDompDisplayMessage( MSG_ROLE_READ_FAILED, pwzComputer, dwErr );
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return dwErr;
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}
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if ( DsRoleOperationIdle != pRoleState->OperationState )
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{
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NetDompDisplayMessage( (DsRoleOperationActive == pRoleState->OperationState) ?
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MSG_ROLE_CHANGE_IN_PROGRESS : MSG_ROLE_CHANGE_NEEDS_REBOOT );
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DsRoleFreeMemory( pRoleState );
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return ERROR_DS_UNWILLING_TO_PERFORM;
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}
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DsRoleFreeMemory( pRoleState );
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// Is CertSvc installed?
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hSc = OpenSCManager( pwzComputer, SERVICES_ACTIVE_DATABASE, GENERIC_READ );
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if ( NULL == hSc )
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{
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dwErr = GetLastError();
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NetDompDisplayMessage( MSG_SC_OPEN_FAILED, pwzComputer, dwErr );
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return dwErr;
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}
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hCA = OpenService( hSc, L"SertSvc", SERVICE_QUERY_STATUS );
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CloseServiceHandle( hSc );
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if ( hCA )
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{
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NetDompDisplayMessage( MSG_CANT_RENAME_CERT_SVC );
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CloseServiceHandle( hCA );
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return ERROR_DS_UNWILLING_TO_PERFORM;
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}
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return ERROR_SUCCESS;
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}
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DWORD
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NetDompHandleRenameComputer(ARG_RECORD * rgNetDomArgs)
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/*++
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Routine Description:
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This function will rename a computer
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Arguments:
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Args - List of command line arguments
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Return Value:
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ERROR_INVALID_PARAMETER - No object name was supplied
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--*/
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{
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DWORD dwErr = ERROR_SUCCESS;
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ND5_AUTH_INFO ComputerUser, DomainUser;
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PWSTR pwzNewName = NULL;
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WKSTA_INFO_100 * pInfo = NULL;
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int cchName;
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BOOL fForce = CmdFlagOn(rgNetDomArgs, eCommForce );
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RtlZeroMemory( &ComputerUser, sizeof( ND5_AUTH_INFO ) );
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RtlZeroMemory( &DomainUser, sizeof( ND5_AUTH_INFO ) );
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PWSTR pwzComputer = rgNetDomArgs[eObject].strValue;
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if ( !pwzComputer )
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{
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DisplayHelp(ePriRenameComputer);
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return( ERROR_INVALID_PARAMETER );
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}
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dwErr = NetDompValidateSecondaryArguments(rgNetDomArgs,
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eObject,
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eRenCompNewName,
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eCommUserNameD,
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eCommPasswordD,
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eCommUserNameO,
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eCommPasswordO,
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eCommForce,
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eCommRestart,
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eCommVerbose,
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eArgEnd);
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if ( ERROR_SUCCESS != dwErr )
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{
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DisplayHelp(ePriRenameComputer);
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return dwErr;
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}
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dwErr = NetDompGetArgumentString(rgNetDomArgs,
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eRenCompNewName,
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&pwzNewName);
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if ( ERROR_SUCCESS != dwErr )
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{
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NetDompDisplayErrorMessage(dwErr);
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return dwErr;
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}
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if ( !pwzNewName || !_wcsicmp( pwzComputer, pwzNewName ) )
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{
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DisplayHelp(ePriRenameComputer);
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return( ERROR_INVALID_PARAMETER );
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}
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//
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// Validate the computer name (logic same as NetID).
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//
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if ( ( dwErr = CheckNewName(pwzNewName) ) != ERROR_SUCCESS )
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{
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goto RenameComputerExit;
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}
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//
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// Get the computer user and password
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//
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dwErr = NetDompGetUserAndPasswordForOperation(rgNetDomArgs,
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eCommUserNameO,
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pwzComputer,
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&ComputerUser);
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if ( ERROR_SUCCESS != dwErr )
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{
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goto RenameComputerExit;
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}
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if ( ComputerUser.User )
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{
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LOG_VERBOSE(( MSG_VERBOSE_ESTABLISH_SESSION, pwzComputer ));
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dwErr = NetpManageIPCConnect( pwzComputer,
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ComputerUser.User,
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ComputerUser.Password,
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NETSETUPP_CONNECT_IPC );
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if ( ERROR_SUCCESS != dwErr )
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{
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LOG_VERBOSE(( MSG_VERBOSE_SESSION_FAILED, pwzComputer ));
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ERROR_VERBOSE( dwErr );
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goto RenameComputerExit;
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}
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}
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//
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// Get the domain user and password
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//
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dwErr = NetWkstaGetInfo( pwzComputer, 100, (PBYTE *)&pInfo );
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if ( ERROR_SUCCESS != dwErr )
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{
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NetDompDisplayMessage( MSG_COMPUTER_NOT_FOUND, pwzComputer, dwErr );
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goto RenameComputerExit;
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}
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// DBG_VERBOSE(( "%ws domain: %ws\n", pwzComputer, pInfo->wki100_langroup ));
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dwErr = NetDompGetUserAndPasswordForOperation(rgNetDomArgs,
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eCommUserNameD,
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pInfo->wki100_langroup,
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&DomainUser );
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if ( ERROR_SUCCESS != dwErr )
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{
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goto RenameComputerExit;
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}
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//
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// Check for conditions that should prevent a computer rename. This is done
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// after the IPC$ connection is made to the computer.
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//
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if ( (dwErr = OkToRename( pwzComputer ) ) != ERROR_SUCCESS )
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{
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goto RenameComputerExit;
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}
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//
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// Get confirmation if necessary.
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//
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if ( fForce )
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{
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LOG_VERBOSE(( MSG_ATTEMPT_RENAME_COMPUTER, pwzComputer, pwzNewName ));
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}
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else
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{
|
||
NetDompDisplayMessage( MSG_ATTEMPT_RENAME_COMPUTER, pwzComputer, pwzNewName );
|
||
NetDompDisplayMessage( MSG_RENAME_COMPUTER_WARNING, pwzComputer );
|
||
|
||
if ( !NetDompGetUserConfirmation( IDS_PROMPT_PROCEED, NULL ) )
|
||
{
|
||
goto RenameComputerExit;
|
||
}
|
||
}
|
||
|
||
//
|
||
// Do the rename.
|
||
//
|
||
|
||
dwErr = NetRenameMachineInDomain( pwzComputer,
|
||
pwzNewName,
|
||
DomainUser.User,
|
||
DomainUser.Password,
|
||
NETSETUP_ACCT_CREATE );
|
||
|
||
if ( ERROR_SUCCESS != dwErr )
|
||
{
|
||
LOG_VERBOSE(( MSG_VERBOSE_RENAME_COMPUTER_FAILED, dwErr ));
|
||
}
|
||
|
||
//
|
||
// Reboot if necessary
|
||
//
|
||
|
||
NetDompRestartAsRequired(rgNetDomArgs,
|
||
pwzComputer,
|
||
NULL,
|
||
dwErr,
|
||
MSG_COMPUTER_RENAME_RESTART_MSG);
|
||
|
||
if ( ComputerUser.User )
|
||
{
|
||
LOG_VERBOSE(( MSG_VERBOSE_DELETE_SESSION, pwzComputer ));
|
||
NetpManageIPCConnect( pwzComputer,
|
||
ComputerUser.User,
|
||
ComputerUser.Password,
|
||
NETSETUPP_DISCONNECT_IPC );
|
||
}
|
||
|
||
RenameComputerExit:
|
||
|
||
NetApiBufferFree( pwzNewName );
|
||
if ( pInfo )
|
||
{
|
||
NetApiBufferFree( pInfo );
|
||
}
|
||
NetDompFreeAuthIdent( &ComputerUser );
|
||
NetDompFreeAuthIdent( &DomainUser );
|
||
|
||
if (NO_ERROR != dwErr)
|
||
{
|
||
NetDompDisplayErrorMessage(dwErr);
|
||
}
|
||
|
||
return dwErr;
|
||
}
|