I 根据网络唤醒数据包编写的网络唤醒程序,只实现了基本的代码部分,还不能发送密码。
for linux 的,要有LIBNET库的支持哦。
#include <unistd.h>
#include <stdio.h>
#include <libnet.h>
main()
{
u_char *packet;
u_short packet_size=0;
u_char enet_dst[6]={0x00,0x11,0x22,0x33,0x44,0x55};
u_char enet_src[6]={0x00,0x40,0x05,0x47,0x23,0xfb};
u_char *payload;
int payload_size=0;
char *dev="eth0";
char ebuf[LIBNET_ERRBUF_SIZE];
struct libnet_link_int *s;
int i,c;
payload=(u_char *)malloc(102);
packet_size=LIBNET_ETH_H+102;
if((libnet_init_packet(packet_size,&packet))==-1)
{ }
if((s=libnet_open_link_interface(dev,ebuf))==NULL)
{ }
memset(payload,0xff,6);
payload_size+=6;
for(i=0;i<16;i++){
memcpy(payload+payload_size,enet_dst,6);
payload_size+=6;
}
libnet_build_ethernet(enet_dst,
enet_src,
0x842,
payload,
payload_size,
packet);
for(i=0;i<packet_size;i++)
printf("%2.2x ",packet[i]);
c=libnet_write_link_layer(s,dev,packet,packet_size);
printf("/nsend size is: %d",c);
libnet_destroy_packet(&packet);
}
//IPAddress: 除去网络号后的IP段全部补255 ,如 210.45.234.255
// MacAddress : 6个字节的字符型数组,每块网卡都有一个物理地址,在Window98中可以用
// winipcfg.exe 查询出来。
void TWakeUpOnLanForm:: WakeRemoteComputer(AnsiString IPAddress,unsigned char * MacAddress)
{
unsigned char SendBuf[102];
for( int i = 0; i < 102; i ++)
{
SendBuf[i] = (i < 6) ? 0xFF : MacAddress[i%6];
}
TMemoryStream * MemoryStream = new TMemoryStream();
MemoryStream -> Clear();
MemoryStream -> Write(SendBuf,102);
NMUDP1 -> RemoteHost = IPAddress; //除去网络号后的IP段全部补255
//如 210.45.234.255
NMUDP1 -> SendStream(MemoryStream);
delete MemoryStream;
}
unit WakeUp;
interface
uses
Windows, Messages, SysUtils, Dialogs, WinSock;
function CheckWinSockResult(ResultCode: Integer; const FuncName: string): Integer;
procedure OpenComputer(SAddr: string);
const
LEN_PHYSADDR = 6;
implementation
{$R *.DFM}
function CheckWinSockResult(ResultCode: Integer; const FuncName: string): Integer;
begin
if ResultCode <> 0 then
begin
Result := WSAGetLastError;
ShowMessage(Format(#13#10'Windows socket函数''%s''错误: %s (%d)',[FuncName,SysErrorMessage(Result), Result]));
Abort;
end else Result := 0;
end;
procedure OpenComputer(SAddr: string); //00-B0-D0-15-86-B4
var
WSAData: TWSAData;
MSocket: TSocket;
SockAddrIn: TSockAddrIn;
RetVal, OptVal, i: Integer;
MacAddr: array[0..5] of Byte;
MagicData: array[0..101] of Byte;
Position: Longint;
begin
try
if Length(SAddr) <> 17 then Abort;
for i := 1 to Length(SAddr) do
if i in [3, 6, 9, 12, 15] then
if SAddr[i] <> '-' then Abort;
for i := 0 to High(MacAddr) do
begin
if Pos('-', SAddr) > 0 then
MacAddr[i] := StrToInt(HexDisplayPrefix + Copy(SAddr, 1, Pos('-', SAddr) - 1))
else
MacAddr[i] := StrToInt(HexDisplayPrefix + SAddr);
Delete(SAddr, 1, Pos('-', SAddr));
end;
except
ShowMessage(#13#10'网卡地址错误.');
exit;
end;
try
CheckWinSockResult(WSAStartup($0101, WSAData), 'WSAStartup');
MSocket := socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
if MSocket = INVALID_SOCKET then CheckWinSockResult(MSocket, 'socket');
OptVal := 1;
CheckWinSockResult(setsockopt(MSocket, SOL_SOCKET, SO_BROADCAST,
PChar(@OptVal), SizeOf(OptVal)), 'setsockopt');
FillChar(MagicData, SizeOf(MagicData), $FF);
Position := LEN_PHYSADDR;
while Position < SizeOf(MagicData) do
begin
Move(MacAddr, Pointer(Longint(@MagicData) + Position)^, LEN_PHYSADDR);
Inc(Position, LEN_PHYSADDR);
end;
SockAddrIn.sin_family := AF_INET;
SockAddrIn.sin_addr.S_addr := Longint(INADDR_BROADCAST);
RetVal := sendto(MSocket, MagicData, SizeOf(MagicData), 0, SockAddrIn, SizeOf(SockAddrIn));
if RetVal = SOCKET_ERROR then CheckWinSockResult(RetVal, 'sendto');
CheckWinSockResult(closesocket(MSocket), 'closesocket');
CheckWinSockResult(WSACleanup, 'WSACleanup');
except
exit;
end;
end;
end.