//���X�|���X�p�P�b�g�̑��M
void Send(SockUdp sockUdp, PacketDhcp sp)
{
//���M
sockUdp.Send(sp.GetBuffer());
//this.Logger.Set(LogKind.Detail,sockUdp,4,string.Format("{0} {1} {2}",sp.Mac,(sp.RequestIp == null) ? "0.0.0.0" : sp.RequestIp.ToString(),sp.Type.ToString()));
Log(sockUdp, 4, sp.Mac, sp.RequestIp, sp.Type);
}
public void RequestTest(string requestIpStr, string macStr, DhcpType ans)
{
const ushort id = 100;
var requestIp = new Ip(requestIpStr);
var serverIp = new Ip("127.0.0.1");
var mac = new Mac(macStr);
var maskIp = new Ip("255.255.255.0");
var gwIp = new Ip("0.0.0.0");
var dnsIp0 = new Ip("0.0.0.0");
var dnsIp1 = new Ip("0.0.0.0");
var sp = new PacketDhcp(id, requestIp, serverIp, mac, DhcpType.Discover, 3600, maskIp, gwIp, dnsIp0, dnsIp1, "");
var bytes = sp.GetBuffer();
bytes[0] = 1;//Opecode = 2->1
var rp = Access(bytes);
Assert.AreEqual(rp.Type, ans);
}
public void ConnectTest()
{
const ushort id = 100;
var requestIp = new Ip("127.0.0.1");
var serverIp = new Ip("127.0.0.1");
var mac = new Mac("11-22-33-44-55-66");
var maskIp = new Ip("255.255.255.0");
var gwIp = new Ip("255.255.255.0");
var dnsIp0 = new Ip("255.255.255.0");
var dnsIp1 = new Ip("255.255.255.0");
var sp = new PacketDhcp(id, requestIp, serverIp, mac, DhcpType.Discover, 3600, maskIp, gwIp, dnsIp0, dnsIp1, "");
var bytes = sp.GetBuffer();
bytes[0] = 1;//Opecode = 2->1
var rp = Access(bytes);
Assert.AreEqual(rp.Type,DhcpType.Offer);
}
//���X�|���X�p�P�b�g�̑��M
void Send(SockUdp sockUdp,PacketDhcp sp)
{
//���M
sockUdp.Send(sp.GetBuffer());
//this.Logger.Set(LogKind.Detail,sockUdp,4,string.Format("{0} {1} {2}",sp.Mac,(sp.RequestIp == null) ? "0.0.0.0" : sp.RequestIp.ToString(),sp.Type.ToString()));
Log(sockUdp, 4, sp.Mac,sp.RequestIp,sp.Type);
}
//�ڑ��P�ʂ̏���
protected override void OnSubThread(SockObj sockObj)
{
var sockUdp = (SockUdp)sockObj;
if (sockUdp.RemoteAddress.Port != 68) {// �ڑ����|�[�g�ԍ���68�ȊO�́ADHCP�p�P�b�g�ł͂Ȃ��̂Ŕj������
return;
}
//�p�P�b�g�̓Ǎ�(��M�p�P�b�grp)
var rp = new PacketDhcp();
if (!rp.Read(sockUdp.RecvBuf))
return; //�f�[�^��߂Ɏ��s�����ꍇ�́A�����Ȃ�
if (rp.Opcode != 1)
return;//OpCode���u�v���v�Ŗ����ꍇ�́A��������
//���M���u���[�h�L���X�g�ɐݒ肷��
var ep = new IPEndPoint(IPAddress.Broadcast, 68);
sockUdp.RemoteAddress = ep;
//********************************************************
// MAC����
//********************************************************
if ((bool)Conf.Get("useMacAcl")) {// MAC���䂪�L���ȏꍇ
if (!_lease.SearchMac(rp.Mac)) {
Logger.Set(LogKind.Secure,sockUdp,1,rp.Mac.ToString());
return;
}
}
// �r������ (�f�[�^�x�[�X�����̂���)
lock (_lockObj) {
//�T�[�o�A�h���X
Ip serverIp = rp.ServerIp;
if (serverIp.AddrV4 == 0) {
serverIp = new Ip(_serverAddress);
}
//���N�G�X�g�A�h���X
Ip requestIp = rp.RequestIp;
//this.Logger.Set(LogKind.Detail,sockUdp,3,string.Format("{0} {1} {2}",rp.Mac,requestIp.ToString(),rp.Type.ToString()));
Log(sockUdp, 3, rp.Mac, requestIp, rp.Type);
if (rp.Type == DhcpType.Discover) {// ���o
requestIp = _lease.Discover(requestIp, rp.Id, rp.Mac);
if(requestIp!=null){
// OFFER���M
var sp = new PacketDhcp(rp.Id,requestIp,serverIp,rp.Mac,DhcpType.Offer,_leaseTime,_maskIp,_gwIp,_dnsIp0,_dnsIp1,_wpadUrl);
Send(sockUdp,sp);
}
} else if (rp.Type == DhcpType.Request) {// �v��
requestIp = _lease.Request(requestIp, rp.Id, rp.Mac);
if (requestIp != null) {
if (serverIp.ToString() == _serverAddress) {// ���T�[�o����
// ACK���M
var sp = new PacketDhcp(rp.Id,requestIp,serverIp,rp.Mac,DhcpType.Ack,_leaseTime,_maskIp,_gwIp,_dnsIp0,_dnsIp1,_wpadUrl);
Send(sockUdp,sp);
//this.Logger.Set(LogKind.Normal,sockUdp,5,string.Format("{0} {1} {2}",rp.Mac,requestIp.ToString(),rp.Type.ToString()));
Log(sockUdp, 5, rp.Mac, requestIp, rp.Type);
} else {
_lease.Release(rp.Mac);//����������
}
} else {
// NACK���M
var sp = new PacketDhcp(rp.Id,requestIp,serverIp,rp.Mac,DhcpType.Nak,_leaseTime,_maskIp,_gwIp,_dnsIp0,_dnsIp1,_wpadUrl);
Send(sockUdp,sp);
}
} else if (rp.Type == DhcpType.Release) {// �J��
requestIp = _lease.Release(rp.Mac);//�J��
if(requestIp!=null)
//this.Logger.Set(LogKind.Normal,sockUdp,6,string.Format("{0} {1} {2}",rp.Mac,requestIp.ToString(),rp.Type.ToString()));
Log(sockUdp, 6, rp.Mac, requestIp, rp.Type);
} else if (rp.Type == DhcpType.Infrm) {// ���
// ACK���M
//Send(sockUdp,sp);
}
}// �r������
}
//�ڑ��P�ʂ̏���
override protected void OnSubThread(SockObj sockObj)
{
var sockUdp = (SockUdp)sockObj;
if (sockUdp.RemoteAddress.Port != 68) // �ڑ����|�[�g�ԍ���68�ȊO�́ADHCP�p�P�b�g�ł͂Ȃ��̂Ŕj������
{
return;
}
//�p�P�b�g�̓Ǎ�(��M�p�P�b�grp)
var rp = new PacketDhcp();
if (!rp.Read(sockUdp.RecvBuf))
{
return; //�f�[�^��߂Ɏ��s�����ꍇ�́A�����Ȃ�
}
if (rp.Opcode != 1)
{
return;//OpCode���u�v���v�Ŗ����ꍇ�́A��������
}
//���M���u���[�h�L���X�g�ɐݒ肷��
var ep = new IPEndPoint(IPAddress.Broadcast, 68);
sockUdp.RemoteAddress = ep;
//********************************************************
// MAC����
//********************************************************
if ((bool)Conf.Get("useMacAcl")) // MAC���䂪�L���ȏꍇ
{
if (!_lease.SearchMac(rp.Mac))
{
Logger.Set(LogKind.Secure, sockUdp, 1, rp.Mac.ToString());
return;
}
}
// �r������ (�f�[�^�x�[�X�����̂���)
lock (_lockObj) {
//�T�[�o�A�h���X
Ip serverIp = rp.ServerIp;
if (serverIp.AddrV4 == 0)
{
serverIp = new Ip(_serverAddress);
}
//���N�G�X�g�A�h���X
Ip requestIp = rp.RequestIp;
//this.Logger.Set(LogKind.Detail,sockUdp,3,string.Format("{0} {1} {2}",rp.Mac,requestIp.ToString(),rp.Type.ToString()));
Log(sockUdp, 3, rp.Mac, requestIp, rp.Type);
if (rp.Type == DhcpType.Discover) // ���o
{
requestIp = _lease.Discover(requestIp, rp.Id, rp.Mac);
if (requestIp != null)
{
// OFFER���M
var sp = new PacketDhcp(rp.Id, requestIp, serverIp, rp.Mac, DhcpType.Offer, _leaseTime, _maskIp, _gwIp, _dnsIp0, _dnsIp1, _wpadUrl);
Send(sockUdp, sp);
}
}
else if (rp.Type == DhcpType.Request) // �v��
{
requestIp = _lease.Request(requestIp, rp.Id, rp.Mac);
if (requestIp != null)
{
if (serverIp.ToString() == _serverAddress) // ���T�[�o����
// ACK���M
{
var sp = new PacketDhcp(rp.Id, requestIp, serverIp, rp.Mac, DhcpType.Ack, _leaseTime, _maskIp, _gwIp, _dnsIp0, _dnsIp1, _wpadUrl);
Send(sockUdp, sp);
//this.Logger.Set(LogKind.Normal,sockUdp,5,string.Format("{0} {1} {2}",rp.Mac,requestIp.ToString(),rp.Type.ToString()));
Log(sockUdp, 5, rp.Mac, requestIp, rp.Type);
}
else
{
_lease.Release(rp.Mac);//����������
}
}
else
{
// NACK���M
var sp = new PacketDhcp(rp.Id, requestIp, serverIp, rp.Mac, DhcpType.Nak, _leaseTime, _maskIp, _gwIp, _dnsIp0, _dnsIp1, _wpadUrl);
Send(sockUdp, sp);
}
}
else if (rp.Type == DhcpType.Release) // �J��
{
requestIp = _lease.Release(rp.Mac); //�J��
if (requestIp != null)
{
//this.Logger.Set(LogKind.Normal,sockUdp,6,string.Format("{0} {1} {2}",rp.Mac,requestIp.ToString(),rp.Type.ToString()));
Log(sockUdp, 6, rp.Mac, requestIp, rp.Type);
}
}
else if (rp.Type == DhcpType.Infrm) // ���
// ACK���M
//Send(sockUdp,sp);
{
}
}// �r������
}
PacketDhcp Access(byte [] buf)
{
//クライアントソケット生成、及び送信
var cl = new UdpClient(68);
cl.Connect((new Ip(IpKind.V4Localhost)).IPAddress, 67); //クライアントのポートが67でないとサーバが応答しない
cl.Send(buf,buf.Length);
//受信
var ep = new IPEndPoint(0, 0);
var recvBuf = cl.Receive(ref ep);
if (recvBuf.Length == 0) {
Assert.Fail();//受信データが無い場合
}
var rp = new PacketDhcp();
rp.Read(recvBuf);
cl.Close();
return rp;
}
