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/** BEGIN COPYRIGHT BLOCK
* This Program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; version 2 of the License.
*
* This Program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA.
*
* In addition, as a special exception, Red Hat, Inc. gives You the additional
* right to link the code of this Program with code not covered under the GNU
* General Public License ("Non-GPL Code") and to distribute linked combinations
* including the two, subject to the limitations in this paragraph. Non-GPL Code
* permitted under this exception must only link to the code of this Program
* through those well defined interfaces identified in the file named EXCEPTION
* found in the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline functions from
* the Approved Interfaces without causing the resulting work to be covered by
* the GNU General Public License. Only Red Hat, Inc. may make changes or
* additions to the list of Approved Interfaces. You must obey the GNU General
* Public License in all respects for all of the Program code and other code used
* in conjunction with the Program except the Non-GPL Code covered by this
* exception. If you modify this file, you may extend this exception to your
* version of the file, but you are not obligated to do so. If you do not wish to
* provide this exception without modification, you must delete this exception
* statement from your version and license this file solely under the GPL without
* exception.
*
*
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <windows.h>
#include "nt/ntos.h"
/*---------------------------------------------------------------------------*\
*
* Function: GetServerDefaultHostName
*
* Purpose: This function gets the default host name
*
* Input:
*
* Returns:
*
* Comments:
\*---------------------------------------------------------------------------*/
DWORD NS_WINAPI
TCPIP_GetDefaultHostName( LPTSTR lpszFullHostName, LPTSTR lpszHostName, LPTSTR lpszDomainName )
{
char * szKey;
char * szName;
DWORD dwValueType;
DWORD dwIpHostSize = 256;
char szIpHost[256];
DWORD dwIpDomainSize = 256;
char szIpDomain[256];
BOOL bWinNT;
/* get operating system */
switch ( INFO_GetOperatingSystem() ) {
case OS_WIN95: bWinNT = FALSE; break;
case OS_WINNT: bWinNT = TRUE; break;
default: return TCPIP_UNSUPPORTED_OS;
}
#if 0
int lastError;
WSADATA WSAData;
if ( WSAStartup( 0x0101, &WSAData ) != 0 ) {
lastError = WSAGetLastError();
m_pMainWnd->MessageBox ( "TCP/IP must be installed.\nUse the Network Icon in Control Panel" );
return FALSE;
}
lastError = gethostname ( szIpHost, sizeof(szIpHost) );
#endif
/* get list of all keys under Netscape */
if ( bWinNT )
szKey = "SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters";
else
szKey = "SYSTEM\\CurrentControlSet\\Services\\Vxd\\MSTCP";
if( !REG_CheckIfKeyExists( HKEY_LOCAL_MACHINE, szKey ) ) {
return TCPIP_NO_TCPIP;
}
/* get host name for computer. May have to get DHCP host name if empty */
szName = "Hostname";
if( !REG_GetRegistryParameter( HKEY_LOCAL_MACHINE, szKey, szName, &dwValueType, (LPBYTE)szIpHost, &dwIpHostSize ) ) {
szIpHost[0] = '\0';
}
/* get domain name for computer. May have to get DHCP host name if empty */
szName = "Domain";
if( !REG_GetRegistryParameter( HKEY_LOCAL_MACHINE, szKey, szName, &dwValueType, (LPBYTE)szIpDomain, &dwIpDomainSize ) ) {
dwIpDomainSize = 0;
}
if ( dwIpDomainSize == 0 ) {
szName = "DhcpDomain";
if( !REG_GetRegistryParameter( HKEY_LOCAL_MACHINE, szKey, szName, &dwValueType, (LPBYTE)szIpDomain, &dwIpDomainSize ) ) {
dwIpDomainSize = 0;
}
}
if ( lpszHostName )
strcpy ( lpszHostName, szIpHost );
strcpy ( lpszFullHostName, szIpHost );
if ( lpszDomainName ) {
if ( dwIpDomainSize == 0 )
*lpszDomainName = '\0';
else {
strcpy ( lpszDomainName, szIpDomain );
strcat ( lpszFullHostName, "." );
strcat ( lpszFullHostName, lpszDomainName );
}
}
return TCPIP_NO_ERROR;
}
/*---------------------------------------------------------------------------*\
*
* Function: TCPIP_VerifyHostName
*
* Purpose: This function validates the host name
*
* Input:
*
* Returns:
*
* Comments:
\*---------------------------------------------------------------------------*/
DWORD NS_WINAPI
TCPIP_VerifyHostName( LPCTSTR lpszHostName )
{
struct hostent *ent;
WSADATA wsd;
int lastError;
if(WSAStartup(MAKEWORD(1, 1), &wsd) != 0)
return TCPIP_NO_WINSOCK_DLL;
ent = gethostbyname ( lpszHostName );
lastError = WSAGetLastError();
WSACleanup();
if ( ent == NULL ) {
switch ( lastError ) {
case WSANOTINITIALISED: // A successful WSAStartup must occur before using this function.
break;
case WSAENETDOWN: // The Windows Sockets implementation has detected that the network subsystem has failed.
return TCPIP_NETWORK_DOWN;
case WSAHOST_NOT_FOUND: // Authoritative Answer Host not found.
return TCPIP_HOST_NOT_FOUND;
case WSATRY_AGAIN: // Non-Authoritative Host not found, or SERVERFAIL.
return TCPIP_HOST_SERVER_DOWN;
case WSANO_RECOVERY: // Nonrecoverable errors: FORMERR, REFUSED, NOTIMP.
return TCPIP_NETWORK_ERROR;
case WSANO_DATA: // Valid name, no data record of requested type.
return TCPIP_HOST_VALID_NAME;
case WSAEINPROGRESS: // A blocking Windows Sockets operation is in progress.
return TCPIP_NETWORK_ERROR;
case WSAEINTR: // The (blocking) call was canceled using
return TCPIP_NETWORK_ERROR;
default:
return TCPIP_NETWORK_ERROR;
}
}
return TCPIP_NO_ERROR;
}
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