SpoofDPI/proxy/https.go
2022-01-12 00:05:16 +09:00

68 lines
1.6 KiB
Go

package proxy
import (
"fmt"
log "github.com/sirupsen/logrus"
"github.com/xvzc/SpoofDPI/net"
"github.com/xvzc/SpoofDPI/packet"
)
func HandleHttp(clientConn net.Conn, ip string, p *packet.HttpPacket) {
// Create connection to server
remoteConn, err := net.Dial("tcp", ip+":80")
if err != nil {
log.Debug(err)
return
}
defer remoteConn.Close()
log.Debug("[HTTP] Connected to the server.")
go remoteConn.Serve(clientConn, "HTTP")
log.Debug("[HTTP] Sending request to the server")
fmt.Fprintf(remoteConn.Conn, string(p.Raw))
go clientConn.Serve(remoteConn, "HTTP")
}
func HandleHttps(clientConn net.Conn, ip string, r *packet.HttpPacket) {
// Create a connection to the requested server
remoteConn, err := net.Dial("tcp", ip+":443")
if err != nil {
log.Debug(err)
return
}
defer remoteConn.Close()
log.Debug("[HTTPS] Connected to the server.")
// Send self generated response for connect request
fmt.Fprintf(clientConn.Conn, "HTTP/1.1 200 Connection Established\r\n\r\n")
log.Debug("[HTTPS] Sent 200 Connection Estabalished")
// Read client hello
clientHello, err := clientConn.ReadBytes()
if err != nil {
log.Debug("[HTTPS] Error reading client hello: ", err)
log.Debug("Closing connection: ", clientConn.RemoteAddr())
}
log.Debug(clientConn.RemoteAddr(), "[HTTPS] Client sent hello: ", len(clientHello), "bytes")
// Generate a go routine that reads from the server
go remoteConn.Serve(clientConn, "HTTPS")
pkt := packet.NewHttpsPacket(clientHello)
chunks := pkt.SplitInChunks()
if _, err := remoteConn.WriteChunks(chunks); err != nil {
return
}
// Read from the client
clientConn.Serve(remoteConn, "HTTPS")
}