143 lines
3.9 KiB
C++
143 lines
3.9 KiB
C++
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//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2001 Microsoft Corporation
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//
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// Module Name:
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// SelNodeBasePage.cpp
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//
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// Maintained By:
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// David Potter (DavidP) 30-JAN-2001
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//
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//////////////////////////////////////////////////////////////////////////////
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#include "Pch.h"
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#include "SelNodeBasePage.h"
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DEFINE_THISCLASS("CSelNodeBasePage");
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// static
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// CSelNodeBasePage::S_HrValidateDnsHostname
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//
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// Description:
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// Validate a hostname with DNS. If the name contains a period (.)
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// it will be validated as a full DNS hostname. Otherwise it will be
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// validated as a hostname label.
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//
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// Arguments:
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// hwndParentIn
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// pcwszHostnameIn
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//
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// Return Values:
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// S_OK - Operation completed successfully
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// Other return values from DnsValidateName()
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//
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// Remarks:
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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CSelNodeBasePage::S_HrValidateDnsHostname(
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HWND hwndParentIn
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, LPCWSTR pcwszHostnameIn
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)
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{
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TraceFunc1( "pcwszHostnameIn = '%1!ws!", pcwszHostnameIn );
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HRESULT hr = S_OK;
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DNS_STATUS dnsStatus;
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BSTR bstrTitle = NULL;
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BSTR bstrOperation = NULL;
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BSTR bstrText = NULL;
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BSTR bstrFullText = NULL;
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UINT nMsgBoxType;
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Assert( pcwszHostnameIn != NULL );
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//
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// If the name contains a dot, validate it as a full DNS name.
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// Otherwise validate it as a hostname label.
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//
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if ( wcschr( pcwszHostnameIn, L'.' ) == NULL )
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{
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dnsStatus = TW32( DnsValidateName( pcwszHostnameIn, DnsNameHostnameLabel ) );
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}
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else
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{
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dnsStatus = TW32( DnsValidateName( pcwszHostnameIn, DnsNameHostnameFull ) );
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}
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if ( dnsStatus != ERROR_SUCCESS )
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{
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// Load the title string for the message box.
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hr = THR( HrLoadStringIntoBSTR( g_hInstance, IDS_ERR_VALIDATING_COMPUTER_NAME_TITLE, &bstrTitle ) );
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if ( FAILED( hr ) )
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{
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goto Cleanup;
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}
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// Format the operation string for the message box.
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hr = THR( HrFormatStringIntoBSTR( g_hInstance, IDS_ERR_VALIDATING_COMPUTER_NAME_TEXT, &bstrOperation, pcwszHostnameIn ) );
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if ( FAILED( hr ) )
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{
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goto Cleanup;
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}
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// Format the error message string for the message box.
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if ( dnsStatus == ERROR_INVALID_NAME )
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{
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hr = THR( HrLoadStringIntoBSTR( g_hInstance, IDS_ERR_INVALID_DNS_COMPUTER_NAME_TEXT, &bstrText ) );
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nMsgBoxType = MB_ICONSTOP;
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}
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else
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{
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hr = THR( HrFormatErrorIntoBSTR( dnsStatus, &bstrText ) );
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if ( dnsStatus == DNS_ERROR_NON_RFC_NAME )
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{
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nMsgBoxType = MB_ICONEXCLAMATION;
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}
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else
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{
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nMsgBoxType = MB_ICONSTOP;
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}
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}
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if ( FAILED( hr ) )
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{
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goto Cleanup;
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}
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// Construct the message box text.
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hr = THR( HrFormatStringIntoBSTR( L"%1!ws!\n\n%2!ws!", &bstrFullText, bstrOperation, bstrText ) );
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if ( FAILED( hr ) )
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{
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goto Cleanup;
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}
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// Display the error message box.
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MessageBox( hwndParentIn, bstrFullText, bstrTitle, nMsgBoxType | MB_OK );
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} // if: error in validation
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Cleanup:
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//
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// Ignore a non RFC name error.
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// This error should be teated as a warning.
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//
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if ( ( dnsStatus != ERROR_SUCCESS )
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&& ( dnsStatus != DNS_ERROR_NON_RFC_NAME ) )
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{
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hr = HRESULT_FROM_WIN32( dnsStatus );
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}
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TraceSysFreeString( bstrTitle );
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TraceSysFreeString( bstrOperation );
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TraceSysFreeString( bstrText );
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TraceSysFreeString( bstrFullText );
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HRETURN( hr );
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} //*** CSelNodeBasePage::S_HrValidateDnsHostname()
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