requirmentsocks4message.cs

破解的飞信源代码

namespace Imps.Client.CommLayer.SocksSipConnection
{
    using Imps.Client.CommLayer;
    using System;
    using System.IO;
    using System.Net;
    using System.Text;

    internal abstract class RequirmentSocks4Message : Socks4Message
    {
        private RequirementType _cmd;
        private string _dstAddr = "0.0.0.0";
        private int _dstPort;
        private string _userId = string.Empty;

        public RequirmentSocks4Message(RequirementType cmd, string dstAddr, int dstPort)
        {
            this.Cmd = cmd;
            this.DstAddr = dstAddr;
            this.DstPort = dstPort;
        }

        public override byte[] ToBinary()
        {
            byte[] buffer3;
            try
            {
                using (MemoryStream stream = new MemoryStream())
                {
                    stream.WriteByte((byte) base.Ver);
                    stream.WriteByte((byte) this.Cmd);
                    stream.WriteByte((byte) (this.DstPort >> 8));
                    stream.WriteByte((byte) this.DstPort);
                    byte[] addressBytes = Dns.GetHostEntry(this.DstAddr).AddressList[0].GetAddressBytes();
                    if (addressBytes.Length != 4)
                    {
                        throw new NotSupportedException("Socks4仅支持IP4方式登录");
                    }
                    stream.Write(addressBytes, 0, addressBytes.Length);
                    byte[] buffer = Encoding.UTF8.GetBytes(this.UserId);
                    stream.Write(buffer, 0, buffer.Length);
                    stream.WriteByte(0);
                    buffer3 = stream.ToArray();
                }
            }
            catch (Exception exception)
            {
                throw new SipConnectionException("产生序列化错误", exception);
            }
            return buffer3;
        }

        public override string ToString()
        {
            StringBuilder builder = new StringBuilder();
            builder.AppendFormat("VER : {0}\n", base.Ver);
            builder.AppendFormat("CMD : {0}\n", this.Cmd);
            builder.AppendFormat("DST.ADDR : {0}\n", this.DstAddr);
            builder.AppendFormat("DST.PORT : {0}", this.DstPort);
            return builder.ToString();
        }

        public RequirementType Cmd
        {
            get
            {
                return this._cmd;
            }
            set
            {
                this._cmd = value;
            }
        }

        public string DstAddr
        {
            get
            {
                return this._dstAddr;
            }
            set
            {
                if (value == null)
                {
                    throw new ArgumentNullException("DstAddr");
                }
                this._dstAddr = value;
            }
        }

        public int DstPort
        {
            get
            {
                return this._dstPort;
            }
            set
            {
                this._dstPort = value;
            }
        }

        public string UserId
        {
            get
            {
                return this._userId;
            }
            set
            {
                if (value == null)
                {
                    throw new ArgumentNullException("UserId");
                }
                this._userId = value;
            }
        }
    }
}