2021-12-29 17:08:30 +00:00
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package proxy
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import (
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"log"
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"net"
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"os"
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2022-01-03 07:24:39 +00:00
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"github.com/xvzc/SpoofDPI/config"
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2022-01-07 17:41:02 +00:00
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"github.com/xvzc/SpoofDPI/request"
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2022-01-04 16:47:18 +00:00
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"github.com/xvzc/SpoofDPI/util"
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2021-12-29 17:08:30 +00:00
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)
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func Start() {
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2022-01-04 16:47:18 +00:00
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listener, err := net.Listen("tcp", ":"+config.GetConfig().Port)
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2021-12-29 17:08:30 +00:00
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if err != nil {
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2022-01-04 16:47:18 +00:00
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log.Fatal("Error creating listener: ", err)
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os.Exit(1)
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2021-12-29 17:08:30 +00:00
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}
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2022-01-04 16:47:18 +00:00
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util.Debug("Created a listener")
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2021-12-29 17:08:30 +00:00
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2022-01-04 16:47:18 +00:00
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for {
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2021-12-29 17:08:30 +00:00
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clientConn, err := listener.Accept()
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if err != nil {
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2022-01-04 16:47:18 +00:00
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log.Fatal("Error accepting connection: ", err)
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2021-12-29 17:08:30 +00:00
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continue
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}
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2022-01-04 16:47:18 +00:00
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util.Debug("Accepted a new connection.", clientConn.RemoteAddr())
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2021-12-29 17:08:30 +00:00
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2022-01-04 16:47:18 +00:00
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go func() {
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defer clientConn.Close()
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2021-12-29 17:08:30 +00:00
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2022-01-07 17:41:02 +00:00
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b, err := ReadBytes(clientConn)
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2022-01-04 16:47:18 +00:00
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if err != nil {
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return
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}
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2021-12-29 17:08:30 +00:00
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2022-01-07 17:41:02 +00:00
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util.Debug("Client sent data: ", len(b))
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2021-12-29 17:08:30 +00:00
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2022-01-07 17:41:02 +00:00
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r := request.New(&b)
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2022-01-07 15:39:58 +00:00
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2022-01-07 17:41:02 +00:00
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if !r.IsValidMethod() {
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log.Println("Unsupported method: ", r.Method)
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2022-01-07 14:04:09 +00:00
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return
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}
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2022-01-07 17:41:02 +00:00
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// Dns lookup over https
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ip, err := util.DnsLookupOverHttps(config.GetConfig().DNS, r.Domain)
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2022-01-04 16:47:18 +00:00
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if err != nil {
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2022-01-07 17:41:02 +00:00
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log.Println("Error looking up dns: "+r.Domain, err)
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2022-01-04 16:47:18 +00:00
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return
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}
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2021-12-29 17:08:30 +00:00
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2022-01-04 16:47:18 +00:00
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util.Debug("ip: " + ip)
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2021-12-29 17:08:30 +00:00
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2022-01-07 17:41:02 +00:00
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if r.Method == "CONNECT" {
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2022-01-04 16:47:18 +00:00
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util.Debug("HTTPS Requested")
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HandleHttps(clientConn, ip)
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} else {
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util.Debug("HTTP Requested.")
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2022-01-07 17:41:02 +00:00
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HandleHttp(clientConn, ip, b)
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2022-01-04 16:47:18 +00:00
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}
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}()
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}
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2021-12-29 17:08:30 +00:00
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}
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