sl@0: /*
sl@0: * Copyright (c) 1995-2007 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description:
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: /**
sl@0: @internalTechnology
sl@0: @file
sl@0: 
sl@0: Implementation of the Netcards.exe adapter selection application.
sl@0: This version writes settings to an ethernet.ini file only. Those settings 
sl@0: should be either copied into epoc.ini (EKA2) or extracted into correct setup 
sl@0: files: ethermac.dat and etherdriver.dat (EKA1) using an appropriate tool.
sl@0: */
sl@0: 
sl@0: /*
sl@0:  * Desired design of maximum size and alignment.
sl@0:  * These are implementation specific.
sl@0:  */
sl@0: #define _SS_MAXSIZE 128                  // Maximum size.
sl@0: #define _SS_ALIGNSIZE (sizeof(__int64))  // Desired alignment.
sl@0: 
sl@0: /*
sl@0:  * Definitions used for sockaddr_storage structure paddings design.
sl@0:  */
sl@0: /**
sl@0:  * This version of netcards.c has been written to work and run on Windows 2000
sl@0:  * and Windows XP. It has been compiled against both WinPCap 4.0.
sl@0:  *
sl@0:  * We identify the version of the compiler from the macros set by E32PLAT.pm 
sl@0:  * and if .NET assume that winsock2 will be used (although this is not needed).
sl@0:  */
sl@0: 
sl@0: #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof (short))
sl@0: #define _SS_PAD2SIZE (_SS_MAXSIZE - (sizeof (short) + _SS_PAD1SIZE \
sl@0:                                                     + _SS_ALIGNSIZE))
sl@0: 
sl@0: struct sockaddr_storage {
sl@0:     short ss_family;               // Address family.
sl@0:     char __ss_pad1[_SS_PAD1SIZE];  // 6 byte pad, this is to make
sl@0:                                    // implementation specific pad up to
sl@0:                                    // alignment field that follows explicit
sl@0:                                    // in the data structure.
sl@0:     __int64 __ss_align;            // Field to force desired structure.
sl@0:     char __ss_pad2[_SS_PAD2SIZE];  // 112 byte pad to achieve desired size;
sl@0:                                    // _SS_MAXSIZE value minus size of
sl@0:                                    // ss_family, __ss_pad1, and
sl@0:                                    // __ss_align fields is 112.
sl@0: };
sl@0: 
sl@0: // Forward declare struct _RPC_ASYNC_STATE, to avoid a warning in rpcasync.h
sl@0: struct _RPC_ASYNC_STATE;
sl@0: 
sl@0: // include WinPcap
sl@0: // The dance with warnings is necessary to avoid warnings such as
sl@0: //
sl@0: // \MSVC6\VC98\include\qos.h(236) : warning C4201: nonstandard extension used : 
sl@0: // 	nameless struct/union 
sl@0: //
sl@0: // when we compile at warning level 4.
sl@0: // 
sl@0: 
sl@0: #pragma warning(disable:4514)
sl@0: #pragma warning(push,3)
sl@0: #include "pcap.h"
sl@0: #pragma warning(pop)
sl@0: 
sl@0: //other includes
sl@0: #include "packet32.h"
sl@0: #include "ntddndis.h"
sl@0: #include <windows.h>
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include <malloc.h>
sl@0: #include <conio.h>
sl@0: 
sl@0: 
sl@0: #define EPOC_INI_FILE			"ethernet.ini"
sl@0: 
sl@0: #define EPOC_INI_FILE_TEMP		"__temp__ethernet__.ini"
sl@0: 
sl@0: #define	ETHER_NIF_ENTRY			"ETHER_NIF"			
sl@0: #define	ETHER_MAC_ENTRY			"ETHER_MAC"
sl@0: #define	ETHER_SPEED_ENTRY		"ETHER_SPEED"
sl@0: 
sl@0: #define MAX_VALUE		80
sl@0: #define MAX_LINE		100
sl@0: #define MAX_OID_DATA	256
sl@0: 
sl@0: #define MAX_ADAPTER_LEN	1024
sl@0: #define MAX_ADAPTERS	10
sl@0: 
sl@0: #define OID_802_3_CURRENT_ADDRESS		   		0x01010102
sl@0: 
sl@0: 
sl@0: //
sl@0: // Global list of supported adapter names.
sl@0: //
sl@0: char	AdapterList[MAX_ADAPTERS][MAX_ADAPTER_LEN];
sl@0: 
sl@0: 
sl@0: //
sl@0: // Replace or write new 'value' for 'entry' in epoc.ini file
sl@0: // returns 0 if ok, negative value if sth wrong
sl@0: //
sl@0: int replace_in_inifile(char * entry, char* value, BOOL valUnicode );
sl@0: 
sl@0: 
sl@0: //
sl@0: // Gets the adapter speed and mac address. Returns 0 if no mac is available,
sl@0: // otherwise returns non-zero if successful.
sl@0: //
sl@0: int get_adapter_speed_and_mac(char* adapterName, UINT* speed, unsigned char* mac);
sl@0: 
sl@0: //
sl@0: // Main entry point.
sl@0: //
sl@0: int main(int argc, char* argv[])
sl@0: {
sl@0: 	char err[PCAP_ERRBUF_SIZE + 1];
sl@0: 	
sl@0: 
sl@0: 	// string that contains a list of the network adapters
sl@0: 	pcap_if_t *adapterlist, *adapter;
sl@0: 
sl@0: 	int					adapters=0, adapterToUse, i;
sl@0: 	UINT				speed_Mbps = 0;
sl@0: 	unsigned char		mac[6];
sl@0: 
sl@0: 	FILE				*inifile;
sl@0: 
sl@0: 	char				speed_value[10];
sl@0: 	char				*MAC_value = malloc( 13*sizeof(char) );
sl@0: 	char				*temp2 = malloc( 13*sizeof(char) );
sl@0: 	int					interfaceArg = 0;
sl@0: 	int					MACmode = 0;
sl@0: 
sl@0: 	if ( argc>1 && argv[1] )
sl@0: 	{
sl@0: 		interfaceArg = atoi(argv[1])%10;
sl@0: 		MACmode = atoi(argv[1])/10;	//used for set ethernet/WLAN MAC address 
sl@0: 	}
sl@0: 	//printf("interfaceArg=%d, MACmode=%d\n", interfaceArg, MACmode);
sl@0: 
sl@0: 	//
sl@0: 	// Obtain the name of the adapters installed on this machine.
sl@0: 	//
sl@0: 	// The result of this function is obtained querying the registry, 
sl@0: 	// and therefore the format of the result in Windows NTx is different
sl@0: 	// from the one in Windows 9x. Windows 9x uses the ASCII encoding method
sl@0: 	// to store a string, while Windows NTx uses UNICODE.
sl@0: 	//
sl@0: 	// In addition different versions of PCAP vary this behaviour meaning
sl@0: 	// that the returned data cannot be assumed to be one format or the
sl@0: 	// other - in other words we must check it ourselves.
sl@0: 	//
sl@0: 	printf("\nAdapters installed:\n");
sl@0: 	
sl@0: 	if(pcap_findalldevs(&adapterlist, err) < 0)
sl@0: 		{
sl@0: 		printf("Error - pcap_findalldevs: %s\n", err);
sl@0: 		return (1);
sl@0: 		}
sl@0: 	for(adapter = adapterlist; adapter; adapter = adapter->next)
sl@0: 		{
sl@0: 		memcpy(AdapterList[adapters], adapter->name, strlen(adapter->name));
sl@0: 		if(get_adapter_speed_and_mac(AdapterList[adapters], &speed_Mbps, mac))
sl@0: 			{
sl@0: 			printf("\n%3d - %s\n", adapters+1, AdapterList[adapters]);
sl@0: 			adapters++;
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			printf("\nN/A - %s\n",AdapterList[adapters]);			
sl@0: 			}
sl@0: 		printf("        %s\n", adapter->description);
sl@0: 		}
sl@0: 	printf("\n");
sl@0: 
sl@0: 	if (adapters>1)
sl@0: 		{
sl@0: 		if((interfaceArg>adapters)||(interfaceArg<1) )
sl@0: 			{
sl@0: 			do
sl@0: 				{
sl@0: 				printf("Select the number of the adapter to use : ");
sl@0: 				scanf("%d",&adapterToUse);
sl@0: 				if (adapterToUse > adapters  ||  adapterToUse < 1)
sl@0: 					{
sl@0: 					printf("\nThe number must be between 1 and %d\n",adapters);
sl@0: 					}
sl@0: 				} while (adapterToUse > adapters  ||  adapterToUse < 1);
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			adapterToUse = interfaceArg;
sl@0: 			}
sl@0:   		}
sl@0: 	else
sl@0: 		{
sl@0: 		adapterToUse = adapters;
sl@0:  		}
sl@0: 
sl@0: 	MAC_value[0] = '\0';
sl@0: 	temp2[0] = '\0';
sl@0: 	speed_value[0] = '\0';
sl@0: 	
sl@0: 	//
sl@0: 	// Open the adapter if available...
sl@0: 	//
sl@0: 	if (adapterToUse > 0  &&  adapterToUse <= adapters)
sl@0: 	{
sl@0: 		printf("\nUsing adapter %d\n", adapterToUse);
sl@0: 
sl@0: 		if (get_adapter_speed_and_mac(AdapterList[adapterToUse-1], &speed_Mbps, mac))
sl@0: 		{
sl@0: 			if (speed_Mbps == 0)
sl@0: 			{
sl@0: 				printf("Could not read Ethernet card's speed\n");
sl@0: 			}
sl@0: 
sl@0: 			printf("Physical address read: %02x:%02x:%02x:%02x:%02x:%02x\n",
sl@0: 				   mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
sl@0: 
sl@0: 			if(MACmode == 0)	//ethernet MAC
sl@0: 				{
sl@0: 				mac[0] += 2; // changing address from global to local
sl@0: 				}
sl@0: 			
sl@0: 			for( i=0; i<6; i++ )
sl@0: 			{
sl@0: 				strcpy( temp2, MAC_value);
sl@0: 				if( mac[i] > 15 )
sl@0: 				{
sl@0: 					// has 2 hex digits
sl@0: 					sprintf( MAC_value, "%s%x", temp2, mac[i]);
sl@0: 				}
sl@0: 				else
sl@0: 				{
sl@0: 					sprintf( MAC_value, "%s0%x", temp2, mac[i]);
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 		else
sl@0: 		{
sl@0: 			printf("Problem with opening adapter (packet.lib issue)\n");
sl@0: 			return (1);
sl@0: 		}
sl@0: 	}
sl@0: 	else
sl@0: 	{
sl@0: 		printf("\nNo supported adapters found\n");
sl@0: 	}
sl@0: 
sl@0: 	//
sl@0: 	// Write the settings to the INI file...
sl@0: 	//
sl@0: 	printf("Writing settings to %s.\n\n", EPOC_INI_FILE);
sl@0: 	
sl@0: 	inifile = fopen(EPOC_INI_FILE, "a"); // to create if does exist
sl@0: 	if ( NULL != inifile )
sl@0: 	{
sl@0: 		fclose(inifile);
sl@0: 	}
sl@0: 	else
sl@0: 	{
sl@0: 		printf("Can't create or access %s.\n\n", EPOC_INI_FILE);
sl@0: 		return (1);
sl@0: 	}
sl@0: 		
sl@0: 	if ( 0 != replace_in_inifile( ETHER_NIF_ENTRY, AdapterList[adapterToUse-1], FALSE ) )
sl@0: 	{
sl@0: 		printf("Couldn't write adapter name to %s file\n", EPOC_INI_FILE);
sl@0: 		return (1);
sl@0: 	}
sl@0: 		
sl@0: 
sl@0: 	if ( 0 != replace_in_inifile( ETHER_MAC_ENTRY, MAC_value, FALSE ) )
sl@0: 	{
sl@0: 		printf("Couldn't write MAC address to %s file\n", EPOC_INI_FILE);
sl@0: 		return (1);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 	if( 0 != speed_Mbps )
sl@0: 	{
sl@0: 		sprintf( speed_value, "%dMbps", speed_Mbps);
sl@0: 	}	
sl@0: 
sl@0: 	if ( 0 != replace_in_inifile( ETHER_SPEED_ENTRY, speed_value, FALSE ) )
sl@0: 	{
sl@0: 		printf("Couldn't write speed value to %s file\n", EPOC_INI_FILE);
sl@0: 		return (1);
sl@0: 	}
sl@0: 	
sl@0: 	//printf("Netcards has written settings to %s.\n\n", EPOC_INI_FILE);
sl@0: 	free(MAC_value);
sl@0: 	free(temp2);
sl@0: 	pcap_freealldevs(adapterlist);
sl@0: 
sl@0: 	return (0);
sl@0: } // main
sl@0: 
sl@0: 
sl@0: int get_adapter_speed_and_mac(char* adapterName, UINT* speed, unsigned char* mac)
sl@0: {
sl@0: 	LPADAPTER	lpAdapter;
sl@0: 	int			retVal = 0;
sl@0: 
sl@0: 	//
sl@0: 	// Open the adapter and get the speed and MAC address...
sl@0: 	//
sl@0: 	lpAdapter = PacketOpenAdapter(adapterName);
sl@0: 		
sl@0: 	if (lpAdapter)
sl@0: 	{
sl@0: 		PPACKET_OID_DATA	pOidData = malloc(sizeof(PACKET_OID_DATA) + MAX_OID_DATA);
sl@0: 
sl@0: 		//
sl@0: 		// Get the link speed first. We use this method rather than call
sl@0: 		// PacketGetNetType() as it works better with PCAP3.1...
sl@0: 		//
sl@0: 		pOidData->Oid    = OID_GEN_LINK_SPEED;
sl@0: 		pOidData->Length = MAX_OID_DATA;
sl@0: 
sl@0: 		if (PacketRequest(lpAdapter, FALSE , pOidData))
sl@0: 		{
sl@0: 			*speed = *((UINT*)pOidData->Data) / 10000; // OID is in 100 bps units.
sl@0: 		}
sl@0: 		else
sl@0: 		{
sl@0: 			*speed = 0;
sl@0: 		}
sl@0: 
sl@0: 		//
sl@0: 		// Check the adapter is 802.3 based, cable connected and has a MAC address.
sl@0: 		//
sl@0: 		pOidData->Oid    = OID_GEN_MEDIA_IN_USE;
sl@0: 		pOidData->Length = MAX_OID_DATA;
sl@0: 
sl@0: 		if (PacketRequest(lpAdapter, FALSE , pOidData)  &&
sl@0: 			*((UINT*)pOidData->Data) == NdisMedium802_3)
sl@0: 		{
sl@0: 			pOidData->Oid    = OID_GEN_MEDIA_CONNECT_STATUS;
sl@0: 			pOidData->Length = MAX_OID_DATA;
sl@0: 
sl@0: 			if (PacketRequest(lpAdapter, FALSE , pOidData)  &&
sl@0: 				*((UINT*)pOidData->Data) == NdisMediaStateConnected)
sl@0: 			{
sl@0: 				pOidData->Oid    = OID_802_3_CURRENT_ADDRESS;
sl@0: 				pOidData->Length = MAX_OID_DATA;
sl@0: 			
sl@0: 				if (PacketRequest(lpAdapter, FALSE , pOidData))
sl@0: 				{
sl@0: 	  				mac[0] = pOidData->Data[0];
sl@0: 	  				mac[1] = pOidData->Data[1];
sl@0: 	  				mac[2] = pOidData->Data[2];
sl@0: 	  				mac[3] = pOidData->Data[3];
sl@0: 	  				mac[4] = pOidData->Data[4];
sl@0: 	  				mac[5] = pOidData->Data[5];
sl@0: 
sl@0: 					retVal = 1;
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 		free(pOidData);
sl@0: 	
sl@0: 		PacketCloseAdapter(lpAdapter);
sl@0: 	}
sl@0: 
sl@0: 	return retVal;
sl@0: } // get_adapter_speed_and_mac
sl@0: 
sl@0: 
sl@0: int replace_in_inifile(char * entry_str, char* value, BOOL valUnicode)
sl@0: {
sl@0: 	int err = 0; // 0 - ok, negative sth wrong
sl@0: 
sl@0: 	int replaced = 0;
sl@0: 	int len = strlen(entry_str);
sl@0: 
sl@0: 	FILE *	file;
sl@0: 	FILE *	tmp_file;
sl@0: 
sl@0: 	char*  s = malloc(MAX_LINE);
sl@0: 	char *line = malloc(MAX_LINE);
sl@0: 
sl@0: 	if ( NULL == (tmp_file = fopen(EPOC_INI_FILE_TEMP, "w")) ) 
sl@0: 	{
sl@0: 		printf( "Could not create '%s'\n", EPOC_INI_FILE_TEMP );
sl@0: 		return -1;
sl@0: 	}
sl@0: 
sl@0: 	if ( NULL == (file  = fopen(EPOC_INI_FILE, "r+")) )
sl@0: 	{
sl@0: 		fclose( tmp_file );
sl@0: 		remove( EPOC_INI_FILE_TEMP  );
sl@0: 		printf( "Could not open '%s'\n", EPOC_INI_FILE );
sl@0: 		return -1;
sl@0: 	}
sl@0: 
sl@0: 	rewind(file);
sl@0: 	
sl@0: 	
sl@0: 	while( fgets(line, MAX_LINE, file) != NULL)
sl@0:     {
sl@0: 		if (sscanf( line, "%s", s ) > 0) // to trim blank chars
sl@0: 		{
sl@0: 			s[len] = '\0';
sl@0: 			if( 0 == strcmp(entry_str, s))
sl@0: 			{
sl@0: 				fprintf(tmp_file, "%s=", entry_str);
sl@0: 				
sl@0: 				if( valUnicode )
sl@0: 				{
sl@0: 					fwprintf(tmp_file, L"%s\n", value);
sl@0: 				}
sl@0: 				else
sl@0: 				{
sl@0: 					fprintf(tmp_file, "%s\n", value);
sl@0: 				}
sl@0: 				
sl@0: 				replaced = 1;
sl@0: 			}
sl@0: 			else
sl@0: 			{
sl@0: 				if( EOF == fputs(line, tmp_file) )
sl@0: 				{
sl@0: 					err = -1;
sl@0: 					break;
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0:         
sl@0: 	free(line);
sl@0: 	free(s); 
sl@0: 
sl@0: 	if( (0 == replaced) && (0 == err) )
sl@0: 	{
sl@0: 		// no entry encountered - add new
sl@0: 		if( 0 != fseek( tmp_file, 0, SEEK_END ) )
sl@0: 		{
sl@0: 			err = -1;
sl@0: 		}
sl@0: 	
sl@0: 		fprintf( tmp_file, "\n%s=", entry_str);
sl@0: 		if ( valUnicode )
sl@0: 		{
sl@0: 			fwprintf( tmp_file, L"%s\n", value);
sl@0: 		}
sl@0: 		else
sl@0: 		{
sl@0: 			fprintf( tmp_file, "%s\n", value);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 	if ( 0 != fclose(file ) )
sl@0: 	{
sl@0: 		printf( "Could not close %s file\n", EPOC_INI_FILE );
sl@0: 		return -1;
sl@0: 	}
sl@0: 
sl@0: 	if ( 0 != fclose( tmp_file ) )
sl@0: 	{
sl@0: 		printf( "Could not close %s file\n", EPOC_INI_FILE_TEMP );
sl@0: 		return -1;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 	if( remove( EPOC_INI_FILE  ) == -1 )
sl@0: 	{
sl@0: 		printf( "Could not overwrite %s file\n", EPOC_INI_FILE );
sl@0: 		return -1;
sl@0: 	}
sl@0: 	
sl@0: 	if( rename( EPOC_INI_FILE_TEMP, EPOC_INI_FILE ) != 0 )
sl@0: 	{
sl@0: 		printf( "\nCould not rename '%s' to '%s'\n", EPOC_INI_FILE_TEMP, EPOC_INI_FILE );
sl@0: 		return -1;
sl@0: 	}	
sl@0: 		
sl@0: 	return 0;
sl@0: } // replace_in_inifile