├── .gitignore ├── LICENSE ├── README.md └── src ├── ProxyDemo ├── ClientListen.cs ├── Program.cs └── ProxyDemo.csproj └── eps.sln /.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | ## 4 | ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore 5 | 6 | # User-specific files 7 | *.rsuser 8 | *.suo 9 | *.user 10 | *.userosscache 11 | *.sln.docstates 12 | 13 | # User-specific files (MonoDevelop/Xamarin Studio) 14 | *.userprefs 15 | 16 | # Mono auto generated files 17 | mono_crash.* 18 | 19 | # Build results 20 | [Dd]ebug/ 21 | [Dd]ebugPublic/ 22 | [Rr]elease/ 23 | [Rr]eleases/ 24 | x64/ 25 | x86/ 26 | [Aa][Rr][Mm]/ 27 | [Aa][Rr][Mm]64/ 28 | bld/ 29 | [Bb]in/ 30 | [Oo]bj/ 31 | [Ll]og/ 32 | [Ll]ogs/ 33 | 34 | # Visual Studio 2015/2017 cache/options directory 35 | .vs/ 36 | # Uncomment if you have tasks that create the project's static files in wwwroot 37 | #wwwroot/ 38 | 39 | # Visual Studio 2017 auto generated files 40 | Generated\ Files/ 41 | 42 | # MSTest test Results 43 | [Tt]est[Rr]esult*/ 44 | [Bb]uild[Ll]og.* 45 | 46 | # NUnit 47 | *.VisualState.xml 48 | TestResult.xml 49 | nunit-*.xml 50 | 51 | # Build Results of an ATL Project 52 | [Dd]ebugPS/ 53 | [Rr]eleasePS/ 54 | dlldata.c 55 | 56 | # Benchmark Results 57 | BenchmarkDotNet.Artifacts/ 58 | 59 | # .NET Core 60 | project.lock.json 61 | project.fragment.lock.json 62 | artifacts/ 63 | 64 | # StyleCop 65 | StyleCopReport.xml 66 | 67 | # Files built by Visual Studio 68 | *_i.c 69 | *_p.c 70 | *_h.h 71 | *.ilk 72 | *.meta 73 | *.obj 74 | *.iobj 75 | *.pch 76 | *.pdb 77 | *.ipdb 78 | *.pgc 79 | *.pgd 80 | *.rsp 81 | *.sbr 82 | *.tlb 83 | *.tli 84 | *.tlh 85 | *.tmp 86 | *.tmp_proj 87 | *_wpftmp.csproj 88 | *.log 89 | *.vspscc 90 | *.vssscc 91 | .builds 92 | *.pidb 93 | *.svclog 94 | *.scc 95 | 96 | # Chutzpah Test files 97 | _Chutzpah* 98 | 99 | # Visual C++ cache files 100 | ipch/ 101 | *.aps 102 | *.ncb 103 | *.opendb 104 | *.opensdf 105 | *.sdf 106 | *.cachefile 107 | *.VC.db 108 | *.VC.VC.opendb 109 | 110 | # Visual Studio profiler 111 | *.psess 112 | *.vsp 113 | *.vspx 114 | *.sap 115 | 116 | # Visual Studio Trace Files 117 | *.e2e 118 | 119 | # TFS 2012 Local Workspace 120 | $tf/ 121 | 122 | # Guidance Automation Toolkit 123 | *.gpState 124 | 125 | # ReSharper is a .NET coding add-in 126 | _ReSharper*/ 127 | *.[Rr]e[Ss]harper 128 | *.DotSettings.user 129 | 130 | # TeamCity is a build add-in 131 | _TeamCity* 132 | 133 | # DotCover is a Code Coverage Tool 134 | *.dotCover 135 | 136 | # AxoCover is a Code Coverage Tool 137 | .axoCover/* 138 | !.axoCover/settings.json 139 | 140 | # Visual Studio code coverage results 141 | *.coverage 142 | *.coveragexml 143 | 144 | # NCrunch 145 | _NCrunch_* 146 | .*crunch*.local.xml 147 | nCrunchTemp_* 148 | 149 | # MightyMoose 150 | *.mm.* 151 | AutoTest.Net/ 152 | 153 | # Web workbench (sass) 154 | .sass-cache/ 155 | 156 | # Installshield output folder 157 | [Ee]xpress/ 158 | 159 | # DocProject is a documentation generator add-in 160 | DocProject/buildhelp/ 161 | DocProject/Help/*.HxT 162 | DocProject/Help/*.HxC 163 | DocProject/Help/*.hhc 164 | DocProject/Help/*.hhk 165 | DocProject/Help/*.hhp 166 | DocProject/Help/Html2 167 | DocProject/Help/html 168 | 169 | # Click-Once directory 170 | publish/ 171 | 172 | # Publish Web Output 173 | *.[Pp]ublish.xml 174 | *.azurePubxml 175 | # Note: Comment the next line if you want to checkin your web deploy settings, 176 | # but database connection strings (with potential passwords) will be unencrypted 177 | *.pubxml 178 | *.publishproj 179 | 180 | # Microsoft Azure Web App publish settings. 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IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # eps 2 | eps（EasyProxyServeer），支持http、socks4、socks5的代理服务器 3 | -------------------------------------------------------------------------------- /src/ProxyDemo/ClientListen.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.Linq; 4 | using System.Net; 5 | using System.Net.Sockets; 6 | using System.Reflection.PortableExecutable; 7 | using System.Text; 8 | using System.Threading.Tasks; 9 | 10 | namespace ProxyDemo 11 | { 12 | public class ClientListen 13 | { 14 | TcpListener socksListener = null; 15 | TcpListener httpListener = null; 16 | TaskFactory task = new TaskFactory(); 17 | public ClientListen() 18 | { 19 | socksListener = new TcpListener(IPAddress.Any, 13520); 20 | httpListener = new TcpListener(IPAddress.Any, 13521); 21 | Console.WriteLine("socks代理地址：127.0.0.1:13520"); 22 | Console.WriteLine("http代理地址：127.0.0.1:13521"); 23 | TaskFactory taskFactory = new TaskFactory(); 24 | StartSocksProxyListen(); 25 | StartHttpProxyListen(); 26 | } 27 | 28 | void StartHttpProxyListen() 29 | { 30 | httpListener.Start(); 31 | httpListener.BeginAcceptTcpClient(AcceptSocket_http, httpListener); 32 | } 33 | 34 | void AcceptSocket_http(IAsyncResult ar) 35 | { 36 | TcpListener listen = (TcpListener)ar.AsyncState; 37 | TcpClient socket = null; 38 | try 39 | { 40 | socket = listen.EndAcceptTcpClient(ar); 41 | } 42 | catch (Exception ex) 43 | { 44 | return; 45 | } 46 | listen.BeginAcceptTcpClient(AcceptSocket_http, listen); 47 | HandleHttpProxy(socket); 48 | } 49 | void AcceptSocket_socks5(IAsyncResult ar) 50 | { 51 | TcpListener listen = (TcpListener)ar.AsyncState; 52 | TcpClient socket = null; 53 | try 54 | { 55 | socket = listen.EndAcceptTcpClient(ar); 56 | } 57 | catch (Exception ex) 58 | { 59 | return; 60 | } 61 | listen.BeginAcceptTcpClient(AcceptSocket_socks5, listen); 62 | HandleSocks5Proxy(socket); 63 | } 64 | 65 | void HandleHttpProxy(TcpClient socket) 66 | { 67 | NetworkStream fromSt = socket.GetStream(); 68 | 69 | byte[] data = new byte[1452]; 70 | int length = fromSt.Read(data); 71 | 72 | 73 | //http的请求内容 74 | string httpRequest = Encoding.UTF8.GetString(data.Take(length).ToArray()); 75 | //分行 76 | string[] list = httpRequest.Split(new string[] { "\r\n" }, StringSplitOptions.None); 77 | //请求的地址 78 | string dest = list.Where(t => t.StartsWith("Host:")).FirstOrDefault(); 79 | if (!string.IsNullOrWhiteSpace(dest)) 80 | { 81 | dest = dest.Replace("Host:", "").Trim(); 82 | string[] ipDest = dest.Split(':'); 83 | string domain = ""; 84 | int port = 80; 85 | if (ipDest.Length > 0) 86 | { 87 | domain = ipDest[0]; 88 | if (ipDest.Length > 1) 89 | { 90 | port = Convert.ToInt32(ipDest[1]); 91 | } 92 | } 93 | //Console.WriteLine($"地址：{domain}:{port}"); 94 | try 95 | { 96 | if (httpRequest.StartsWith("CONNECT")) 97 | { 98 | TcpClient desttcp = new TcpClient(domain, port); 99 | 100 | //Console.WriteLine($"连接成功"); 101 | socket.GetStream().Write(Encoding.UTF8.GetBytes("HTTP/1.1 200 Connection Established\r\n\r\n")); 102 | bindTcpClient(socket, desttcp); 103 | } 104 | else 105 | { 106 | TcpClient desttcp = new TcpClient(domain, port); 107 | 108 | bindTcpClient(socket, desttcp); 109 | desttcp.GetStream().Write(data.Take(length).ToArray()); 110 | } 111 | } 112 | catch 113 | { 114 | socket.Close(); 115 | } 116 | //Console.WriteLine("数据：\r\n{0}", Encoding.UTF8.GetString(data.Take(length).ToArray())); 117 | //desttcp.GetStream().Write(data.Take(length).ToArray()); 118 | //desttcp.GetStream().Write(Encoding.UTF8.GetBytes(httpRequest.Replace("CONNECT","GET"))); 119 | } 120 | } 121 | 122 | void StartSocksProxyListen() 123 | { 124 | socksListener.Start(); 125 | socksListener.BeginAcceptTcpClient(AcceptSocket_socks5, socksListener); 126 | } 127 | 128 | void HandleSocks5Proxy(TcpClient socket) 129 | { 130 | bool isSuccess = false; 131 | socket.NoDelay = true; 132 | //Console.WriteLine($"tcp:{socket.Client.RemoteEndPoint.ToString()}"); 133 | NetworkStream fromSt = socket.GetStream(); 134 | byte[] data = new byte[1452]; 135 | int length = fromSt.Read(data); 136 | int sType = data[0]; 137 | //Console.WriteLine($"sType数据：{sType}"); 138 | //只处理Socks5协议 139 | if (sType == 0x05) 140 | { 141 | fromSt.Write(new byte[] { 0x05, 0x00 }); 142 | length = fromSt.Read(data); 143 | int type = data[3]; 144 | //Console.WriteLine($"type数据：{type}"); 145 | string address = ""; 146 | int port = 80; 147 | switch (type) 148 | { 149 | case 0x01: 150 | { 151 | address = String.Format("{0}.{1}.{2}.{3}", data[4], data[5], data[6], data[7]); 152 | port = BitConverter.ToUInt16(data.Skip(8).Take(2).Reverse().ToArray()); 153 | //Console.WriteLine("目标地址1：{0}", String.Format("{0}:{1}", address, port)); 154 | isSuccess = true; 155 | break; 156 | } 157 | case 0x03: 158 | { 159 | address = Encoding.UTF8.GetString(data.Skip(5).Take(length - 5 - 2).ToArray()); 160 | port = BitConverter.ToUInt16(data.Skip(length - 2).Take(2).Reverse().ToArray()); 161 | //Console.WriteLine("目标地址2：{0}", String.Format("{0}:{1}", address, port)); 162 | isSuccess = true; 163 | break; 164 | } 165 | } 166 | if (isSuccess) 167 | { 168 | //Console.WriteLine("实际地址：{0}", String.Format("{0}:{1}", address, port)); 169 | TcpClient desttcp = null; 170 | try 171 | { 172 | if (address == "0.0.0.0") 173 | { 174 | desttcp = new TcpClient(new IPEndPoint(IPAddress.Any, port)); 175 | } 176 | else 177 | desttcp = new TcpClient(address, port); 178 | bindTcpClient(socket, desttcp); 179 | if (fromSt.CanWrite) 180 | fromSt.Write(new byte[] { 0x05, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }); 181 | } 182 | catch 183 | { 184 | socket.Close(); 185 | } 186 | } 187 | else 188 | { 189 | socket.Close(); 190 | } 191 | 192 | } 193 | } 194 | 195 | private void bindTcpClient(TcpClient readClient, TcpClient writeClient) 196 | { 197 | try 198 | { 199 | NetworkStream readSs = readClient.GetStream(); 200 | NetworkStream writeSs = writeClient.GetStream(); 201 | RelationTcp romrRelation = new RelationTcp() { readTcp = readClient, readSs = readSs, writeTcp = writeClient, writeSs = writeSs, buffer = new byte[1452] }; 202 | RelationTcp toRelation = new RelationTcp() { readTcp = writeClient, readSs = writeSs, writeTcp = readClient, writeSs = readSs, buffer = new byte[1452] }; 203 | StartRead(romrRelation); 204 | StartRead(toRelation); 205 | } 206 | catch 207 | { 208 | try 209 | { 210 | readClient.Close(); 211 | } 212 | catch { } 213 | try 214 | { 215 | writeClient.Close(); 216 | } 217 | catch { } 218 | return; 219 | } 220 | 221 | } 222 | 223 | private void StartRead(RelationTcp tcp) 224 | { 225 | tcp.readTcp.GetStream().BeginRead(tcp.buffer, 0, tcp.buffer.Length, ReadTcp, tcp); 226 | } 227 | 228 | private void ReadTcp(IAsyncResult ar) 229 | { 230 | RelationTcp relation = (RelationTcp)ar.AsyncState; 231 | 232 | if (relation.readSs.CanRead) 233 | { 234 | int length = 0; 235 | try 236 | { 237 | length = relation.readSs.EndRead(ar); 238 | } 239 | catch { } 240 | if (length > 0) 241 | { 242 | if (relation.writeSs.CanWrite) 243 | { 244 | try 245 | { 246 | relation.writeSs.Write(relation.buffer.Take(length).ToArray()); 247 | StartRead(relation); 248 | return; 249 | } 250 | catch 251 | { 252 | Console.WriteLine("连接中断"); 253 | } 254 | } 255 | } 256 | } 257 | relation.readSs.Close(3000); 258 | relation.writeSs.Close(3000); 259 | relation.readTcp.Close(); 260 | relation.writeTcp.Close(); 261 | } 262 | 263 | } 264 | 265 | public struct RelationTcp 266 | { 267 | public TcpClient readTcp; 268 | public TcpClient writeTcp; 269 | public NetworkStream readSs; 270 | public NetworkStream writeSs; 271 | public byte[] buffer; 272 | } 273 | } 274 | -------------------------------------------------------------------------------- /src/ProxyDemo/Program.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Threading; 3 | using System.Threading.Tasks; 4 | 5 | namespace ProxyDemo 6 | { 7 | class Program 8 | { 9 | static void Main(string[] args) 10 | { 11 | Console.WriteLine("Hello World!"); 12 | ClientListen client = new ClientListen(); 13 | 14 | object block = new object(); 15 | new Task(() => 16 | { 17 | Monitor.Wait(block); 18 | }).Wait(); 19 | } 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /src/ProxyDemo/ProxyDemo.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Exe 5 | netcoreapp3.1 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /src/eps.sln: -------------------------------------------------------------------------------- 1 |  2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 16 4 | VisualStudioVersion = 16.0.30011.22 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ProxyDemo", "ProxyDemo\ProxyDemo.csproj", "{7EB9FF9B-74BF-4A90-97FA-39B3C6B0CD15}" 7 | EndProject 8 | Global 9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 10 | Debug|Any CPU = Debug|Any CPU 11 | Release|Any CPU = Release|Any CPU 12 | EndGlobalSection 13 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 14 | {7EB9FF9B-74BF-4A90-97FA-39B3C6B0CD15}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 15 | {7EB9FF9B-74BF-4A90-97FA-39B3C6B0CD15}.Debug|Any CPU.Build.0 = Debug|Any CPU 16 | {7EB9FF9B-74BF-4A90-97FA-39B3C6B0CD15}.Release|Any CPU.ActiveCfg = Release|Any CPU 17 | {7EB9FF9B-74BF-4A90-97FA-39B3C6B0CD15}.Release|Any CPU.Build.0 = Release|Any CPU 18 | EndGlobalSection 19 | GlobalSection(SolutionProperties) = preSolution 20 | HideSolutionNode = FALSE 21 | EndGlobalSection 22 | GlobalSection(ExtensibilityGlobals) = postSolution 23 | SolutionGuid = {A17D4748-E6BC-4C68-BD84-CDED25EDF2D3} 24 | EndGlobalSection 25 | EndGlobal 26 | --------------------------------------------------------------------------------