restart..

README.md

@@ -1 +0,0 @@
-# SpoofDPI

cmd/spoof-dpi/main.go

@@ -0,0 +1,9 @@
+package main
+
+import (
+    "fmt"
+)
+
+func main() {
+    fmt.Println("Hello, world!")
+}

go.mod

@@ -1,5 +0,0 @@
-module SpoofDPI
-
-go 1.17
-
-require github.com/babolivier/go-doh-client v0.0.0-20201028162107-a76cff4cb8b6

go.sum

@@ -1,2 +0,0 @@
-github.com/babolivier/go-doh-client v0.0.0-20201028162107-a76cff4cb8b6 h1:4NNbNM2Iq/k57qEu7WfL67UrbPq1uFWxW4qODCohi+0=
-github.com/babolivier/go-doh-client v0.0.0-20201028162107-a76cff4cb8b6/go.mod h1:J29hk+f9lJrblVIfiJOtTFk+OblBawmib4uz/VdKzlg=

mitm/mitm.go

@@ -1,38 +0,0 @@
-package mitm
-
-import (
-    "net"
-    "log"
-    "io/ioutil"
-    "fmt"
-)
-
-func GoGoSing(clientConn net.Conn, remoteConn net.Conn, data []byte) {
-    _, write_err := remoteConn.Write(data)
-    if write_err != nil {
-        log.Fatal("failed:", write_err)
-        return
-    }
-    defer remoteConn.(*net.TCPConn).CloseWrite()
-
-    // Read from the server
-    buf, read_err := ioutil.ReadAll(remoteConn)
-    if read_err != nil {
-        log.Fatal("failed:", read_err)
-        return
-    }
-
-    fmt.Println()
-    log.Println()
-    fmt.Println("##### Response from the server: ")
-    fmt.Println(string(buf))
-
-
-    // Write to client
-    _, write_err = clientConn.Write(buf)
-    if write_err != nil {
-        log.Fatal("failed:", write_err)
-        return
-    }
-    defer clientConn.(*net.TCPConn).CloseWrite()
-}

spoof-dpi.go

@@ -1,67 +0,0 @@
-package main
-
-import (
-	"SpoofDPI/mitm"
-	"SpoofDPI/util"
-    "fmt"
-	"log"
-	"net"
-)
-
-const (
-    CLI_PORT = "8080"
-    DNS_ADDR = "1.1.1.1"
-)
-
-func main() {
-	log.Println("##### Listening 8080..")
-
-    listener, err := net.Listen("tcp", ":" + CLI_PORT)
-	if err != nil {
-		panic(err)
-	}
-
-	for {
-		clientConn, err := listener.Accept()
-		if err != nil {
-			log.Println("error accepting connection", err)
-			continue
-		}
-
-		log.Println("##### New connection", clientConn.RemoteAddr())
-
-        go func() {
-            defer clientConn.Close()
-
-            buf, err := util.ReadBytes(clientConn)
-            if err != nil {
-                return
-            }
-
-            fmt.Println()
-            log.Println()
-            fmt.Println("##### Request from client : ")
-            fmt.Println(string(buf))
-
-            domain, port := util.ExtractDomainAndPort(string(buf))
-
-            log.Println("domain: "+ domain)
-            log.Println("port: " + port)
-
-            ip, err := util.DnsLookupOverHttps(DNS_ADDR, domain) // Dns lookup over https
-            if err != nil {
-                log.Fatal(err)
-                return
-            }
-
-            remoteConn, err := net.Dial("tcp", ip+":"+port) // create connection to server
-            if err != nil {
-                log.Fatal(err)
-                return
-            }
-            defer remoteConn.Close()
-
-            mitm.GoGoSing(clientConn, remoteConn, buf)
-        }()
-	}
-}

util/util.go

@@ -1,59 +0,0 @@
-package util
-
-import (
-	"log"
-	"net"
-	"strings"
-    "io"
-    "github.com/babolivier/go-doh-client"
-)
-
-func ExtractDomainAndPort(s string) (string, string) {
-    lines := strings.Split(s, "\n")
-    hostPart := strings.Split(lines[1], " ")[1]
-    tokens := strings.Split(hostPart, ":")
-    if len(tokens) == 1 {
-        return strings.TrimSpace(string(tokens[0])), "80"
-    }
-
-    return string(tokens[0]), string(tokens[1])
-}
-
-func ReadBytes(conn net.Conn)([]byte, error) {
-    buf := make([]byte, 0, 4096) // big buffer
-    tmp := make([]byte, 1024)     // using small tmo buffer for demonstrating
-    for {
-        n, err := conn.Read(tmp)
-        if err != nil {
-            if err != io.EOF {
-                log.Fatal("ReadRequest error:", err)
-            }
-            return nil, err
-        }
-        log.Println("##### got", n, "bytes.")
-        buf = append(buf, tmp[:n]...)
-
-        if n < 1024 {
-            break
-        }
-    }
-
-    return buf, nil
-}
-
-func DnsLookupOverHttps(addr string, domain string)(string, error) {
-    // Perform a A lookup on example.com
-    resolver := doh.Resolver{
-        Host:  addr, // Change this with your favourite DoH-compliant resolver.
-        Class: doh.IN,
-    }
-
-    a, _, err := resolver.LookupA(domain)
-    if err != nil {
-        return "", err
-    }
-
-    ip := a[0].IP4 
-
-    return ip, nil
-}