private void button1_Click(object sender, EventArgs e)
{
#region 检测IP是否合法并将合法IP端口信息写入ipMsg.txt文件中
IPAddress myIP;
string ip = textBox1.Text.Trim() + "." + textBox2.Text.Trim() + "." + textBox3.Text.Trim() + "." + textBox4.Text.Trim();
string port = textBox5.Text.Trim();
if (IPAddress.TryParse(ip, out myIP))
{
MessageBox.Show("当前IP为：" + ip + "\n\n" + "端口号为：" + port, "重置IP成功", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.Close();
string ipStr = textBox1.Text.Trim() + "." + textBox2.Text.Trim() + "." + textBox3.Text.Trim() + "." + textBox4.Text.Trim() + ":" + textBox5.Text.Trim();
//自己写的文件读写类
file wd = new file();
//writer()函数第一个参数为文件名字、第二个为要写如文件的名字
// wd.writer("..\\..\\..\\..\\ipMsg.txt", ipStr);
wd.writer("ipMsg.txt", ipStr);
}
else
{
MessageBox.Show("IP非法！请重新设置");
}
#endregion
}
/// <summary>
/// 从socket中读取数据
/// </summary>
public static void ReciveMsg()
{
try
{
//循环读取
while (true)
{
pripk = name + "pri.txt"; //当前用户的私钥
ppk = name + "pk.txt"; //当前用户的公钥
int length = 0;
//字节数组
byte[] byteMsg = new byte[1024 * 1024 * 4];
//获取字节数组大小
length = sokClient.Receive(byteMsg);
//获取有用的从0~length个
strMsg = Encoding.UTF8.GetString(byteMsg, 0, length);
// MessageBox.Show(strMsg);
Thread thread2 = new Thread(new ThreadStart(ShowMsgForm)); //创建新线程
thread2.IsBackground = true;
string[] sstr = strMsg.Split('#'); //利用“#”作为消息的分割
//数组长度
int x = sstr.Length;
//标记数据类型，当falg>1是为用户登录信息
//falg为数组中消息的个数
int msnumber = 0;
for (int j = 0; j < x; j++)
{
if (sstr[j] != "")
{
msnumber++;
}
}
if (sstr[0] == name)
{
cl.label10.ForeColor = Color.Red;
cl.label10.Text = "当前序列中有你！";
cl.tslang.Text = "正在进行签名任务,暂时无法重新生成公私钥！";
cl.button1.Enabled = false;
}
#region 一系列的登录检测
if (sstr[0] == "正在登录！")
{
//Thread.Sleep(100);
//MessageBox.Show(sstr[0] + "\r\n" + sstr[1]);
file file = new file();
desKey des = new desKey();
//进过des加密后写入本地server.txt文件下
file.writer("server.txt", des.Encrypt(sstr[1], "abcdefgh"));
thread2.Start();
}
if (strMsg == "用户名尚未注册！")
{
// MessageBox.Show(
sokClient.Shutdown(SocketShutdown.Both);
sokClient.Disconnect(true);
//用户没有注册，从新启动客户端
Application.Restart();
}
//首次登陆关键信息的注册
// 添加进度提示
//1.提交cpu、硬盘的序列号
//2.生成公钥对、和私钥（都为16进制64位）
if (strMsg == "系统检测到用户首次登陆，正在注册关键信息请稍等！")//加入进度条指示！
{
//生成公私钥，存入指定的文件夹下
ecc.Creatkey(sm2, pripk, ppk);//创建密钥
//根据公私钥生成rs
string gykey = "";
ecc.Test_sm2_sign(sm2, pripk, ppk, name);
file file = new file();
try
{
gykey = des.Decrypt(file.reader(ppk), "abcdefgh");//读取客户端公钥，记着des解密
}
catch (Exception dd)
{
MessageBox.Show(dd.ToString());
}
Form1 ff = new Form1();
client.upmsg("重新生成用户公钥对" + "#" + gykey + "#" + client.name + "#@#@#@");//将用户公钥发给服务器
fistLog fist = new fistLog();
fist.ShowDialog();
thread2.Start();
}
if (strMsg == "服务器检测到，当前配置与注册不符")
{
MessageBox.Show("服务器检测到，当前电脑配置与注册信息不符\n\n无法完成登录！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
Application.Restart();
}
#endregion
//利用#作为分隔符，
/* sstr[0]位用户名,
* sstr[1]位服务器的R,
* sstr[2]位服务器的S ,
* sstr[3]为Z,
* sstr[4]为c1
* sstr[5]位c2,
* sstr[6]位c3,
* sstr[7]为时间,
* sstr[8]位签名发起人标记
*/
if (msnumber == 9)
{
// MessageBox.Show(sstr[0] + "\r\n" + sstr[1] + "\r\n" + sstr[2] + "\r\n" + sstr[3] + "\r\n" + sstr[4] + "\r\n" + sstr[5] + "\r\n" + sstr[6] + "\r\n" + sstr[7] + "\r\n" + sstr[8] + "\r\n");
//设置签名消息
file file = new file();
//ecc ecc = new ecc();
string pk = des.Decrypt(file.reader(serverpk), "abcdefgh");//读取并解密des加密的服务器公钥
//签名验证
if (client.ecc.Signature_Check(sm2, pk, sstr[3], sstr[1], sstr[2]) == true)
{
if (sstr[0] == name)
{
cl.noSignBut.Text = "拒绝签名";
cl.noSignBut.Enabled = true;
cl.button2.Enabled = true;
}
string jmxx = client.ecc.deciphering(sm2, pripk, sstr[4], sstr[5], sstr[6]);
if (jmxx != "0")
{//倒计时设置
cl.waitBut.Text = jmxx;
if (sstr[7].StartsWith("时间") == true)
{
//MessageBox.Show("时间：\r\n"+sstr[7].ToString());
int len = sstr[7].Length;
string s = "";
if (len == 0)
{
s += sstr[7].Trim()[2];
}
if (2 <= len)
{
s += sstr[7].Trim()[2];
}
cl.time1 = Int32.Parse(s) - 1;
cl.ss = 59;
}
}
else
{
MessageBox.Show("数据校验失败！");
}
}
else
{
MessageBox.Show("验证不通过！！");
}
}
#region 第一次接受签名
if (msnumber == 4)
{
//利用'|'做分割符，sstr[0]为用户名，sstr[1]为签名消息，sstr[2]为时间，sstr[3]代表是否为发起签名的人
//MessageBox.Show(sstr[0] + "\n\n" + sstr[1]);
if (sstr[0] == name)
{
cl.noSignBut.Text = "拒绝签名";
cl.noSignBut.Enabled = true;
cl.button2.Enabled = true;
}
//设置签名消息
cl.waitBut.Text = sstr[1].ToString();
//倒计时设置
if (sstr[2].StartsWith("时间") == true)
{
int len = sstr[2].Length;
string s = "";
if (len == 0)
{
s += sstr[2].Trim()[2];
}
if (2 <= len)
{
s += sstr[2].Trim()[2];
}
cl.time1 = Int32.Parse(s) - 1;
cl.ss = 59;
}
//sstr[3]代表此用户是否为签名的第一个人，由他填写签名内容。“1”代表是签名发起者
if (sstr[3] == "1")
{
//设置为可写
cl.waitBut.ReadOnly = false;
}
}
#endregion
}
}
catch (SocketException)//服务器离线异常捕获
{
//回报服务器下线
cl.label7.ForeColor = Color.Red;
cl.label7.Text = "离线";
if (MessageBox.Show("服务器关闭了链接！！\n\n\n是否重新登录？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
{
Application.Restart();//服务器关闭后，从新回到登录页面
}
else
{
return;
}
}
catch (Exception e)
{
MessageBox.Show("客户端“Form1”异常 2：" + e.Message);
return;
}
}
private void setIP_Load(object sender, EventArgs e)
{
#region IP和端口信息的读取和档文件ipMsg.txt不存在时的初始化
//读取ipMsg.txt中的IP配置
try
{
string a1, a2, a3, a4, port;
a1 = a2 = a3 = a4 = port = "";
int b1, b2, b3, b4, i;
b1 = b2 = b3 = b4 = i = 0;
//自己写的文件读写类
file re = new file();
//reader()为返回从指定文件都出来的数据，其参数为文件路径
//string read = re.reader("..\\..\\..\\..\\ipMsg.txt");
//
string read = re.reader("ipMsg.txt");
int length = read.Length;
while (true)
{
if (b1 == 0 && b2 == 0 && b3 == 0)
{
if (read[i].ToString() == ".")
{
b1 = 1;
i++;
}
else
{
a1 += read[i];
}
}
if (b1 == 1 && b2 == 0 && b3 == 0)
{
if (read[i].ToString() == ".")
{
b2 = 1;
i++;
}
else
{
a2 += read[i];
}
}
if (b1 == 1 && b2 == 1 && b3 == 0)
{
if (read[i].ToString() == ".")
{
b3 = 1;
i++;
}
else
{
a3 += read[i];
}
}
if (b1 == 1 && b2 == 1 && b3 == 1 && b4 == 0)
{
if (read[i].ToString() == ":")
{
b4 = 1;
i++;
}
else
{
a4 += read[i];
}
}
if (b1 == 1 && b2 == 1 && b3 == 1 && b4 == 1)
{
if (i == length)
{
break;
}
else
{
port += read[i];
}
}
i++;
}
textBox1.Text = a1;
textBox2.Text = a2;
textBox3.Text = a3;
textBox4.Text = a4;
textBox5.Text = port;
}
//当文件不存在的时候新建初并始化ipMsg.txt
catch
{
string ipStr = textBox1.Text.Trim() + "." + textBox2.Text.Trim() + "." + textBox3.Text.Trim() + "." + textBox4.Text.Trim() + ":" + textBox5.Text.Trim();
//自己写的文件读写类
file wd = new file();
//writer()函数第一个参数为文件名字、第二个为要写如文件的名字
wd.writer("ipMsg.txt", ipStr);
//wd.writer("..\\..\\..\\..\\ipMsg.txt", ipStr);
}
#endregion
}