SpoofDPI/proxy/proxy.go
2022-01-03 16:24:39 +09:00

59 lines
1.3 KiB
Go

package proxy
import (
"log"
"net"
"os"
"github.com/xvzc/SpoofDPI/util"
"github.com/xvzc/SpoofDPI/config"
)
func Start() {
listener, err := net.Listen("tcp", ":" + config.GetConfig().SrcPort)
if err != nil {
log.Fatal("Error creating listener: ", err)
os.Exit(1)
}
log.Println("Created a listener")
for {
clientConn, err := listener.Accept()
if err != nil {
log.Fatal("Error accepting connection: ", err)
continue
}
log.Println("Accepted a new connection.", clientConn.RemoteAddr())
go func() {
defer clientConn.Close()
message , err := util.ReadMessage(clientConn)
if err != nil {
return
}
log.Println("Client sent data: ", len(message))
domain := util.ExtractDomain(&message)
ip, err := util.DnsLookupOverHttps(config.GetConfig().DNS, domain) // Dns lookup over https
if err != nil {
return
}
log.Println("ip: "+ ip)
if util.ExtractMethod(&message) == "CONNECT" {
util.Debug("HTTPS Requested")
HandleHttps(clientConn, ip)
}else {
log.Println("HTTP Requested.")
HandleHttp(clientConn, ip, message)
}
}()
}
}