1 files changed, 66 insertions, 0 deletions
diff --git a/client/main.go b/client/main.go
new file mode 100644
index 0000000..0c7edcc
--- /dev/null
+++ b/client/main.go
@@ -0,0 +1,66 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"io"
+	"log"
+	"net"
+	"os"
+
+	"0xacab.org/leap/obfsvpn"
+	socks5 "github.com/armon/go-socks5"
+)
+
+func main() {
+	// Setup logging.
+	logger := log.New(os.Stderr, "", log.LstdFlags)
+	debug := log.New(io.Discard, "DEBUG ", log.LstdFlags)
+
+	// setup command line flags.
+	var (
+		verbose     bool
+		obfs4Cert   string
+		obfs4Remote string
+		socksPort   string
+		socksHost   string
+	)
+
+	socksPort = "8080"
+	socksHost = "127.0.0.1"
+
+	flags := flag.NewFlagSet(os.Args[0], flag.ContinueOnError)
+	flags.BoolVar(&verbose, "v", verbose, "Enable verbose logging")
+	flags.StringVar(&obfs4Cert, "c", obfs4Cert, "The remote obfs4 certificate")
+	flags.StringVar(&obfs4Remote, "r", obfs4Remote, "The remote obfs4 endpoint (ip:port)")
+	flags.StringVar(&socksPort, "p", socksPort, "The port for the local socks5 proxy (default: 8080)")
+	flags.StringVar(&socksHost, "i", socksHost, "The host for the local socks5 proxy (default: localhost)")
+	err := flags.Parse(os.Args[1:])
+	if err != nil {
+		logger.Fatalf("error parsing flags: %v", err)
+	}
+	// Configure logging.
+	if verbose {
+		debug.SetOutput(os.Stderr)
+	}
+
+	dialer, err := obfsvpn.NewDialerFromCert(obfs4Cert)
+	if err != nil {
+		logger.Fatalf("cannot get dialer: %v", err)
+	}
+
+	socksConf := &socks5.Config{
+		Dial: dialer.Dial,
+	}
+
+	server, err := socks5.New(socksConf)
+	if err != nil {
+		panic(err)
+	}
+
+	addr := net.JoinHostPort(socksHost, socksPort)
+	fmt.Printf("[+] Started socks5 proxy at %s\n", addr)
+	if err := server.ListenAndServe("tcp", addr); err != nil {
+		panic(err)
+	}
+}