1 files changed, 122 insertions, 0 deletions
diff --git a/cmd/anygone/anygone.go b/cmd/anygone/anygone.go
new file mode 100644
index 0000000..ce1734c
--- /dev/null
+++ b/cmd/anygone/anygone.go
@@ -0,0 +1,122 @@
+//
+// Copyright (c) 2017 anygone contributors (see AUTHORS file)
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// * Redistributions of source code must retain the above copyright notice, this
+//   list of conditions and the following disclaimer.
+//
+// * Redistributions in binary form must reproduce the above copyright notice,
+//   this list of conditions and the following disclaimer in the documentation
+//   and/or other materials provided with the distribution.
+//
+// * Neither the name of anygone nor the names of its
+//   contributors may be used to endorse or promote products derived from
+//   this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+
+	"go.anytun.org/anygone/tuntap"
+)
+
+var (
+	al  = log.New(os.Stdout, "[anygone]\t", log.LstdFlags)
+	adl = log.New(ioutil.Discard, "[anygone dbg]\t", log.LstdFlags)
+)
+
+func init() {
+	//	if _, exists := os.LookupEnv("ANYGONE_DEBUG"); exists {
+	adl.SetOutput(os.Stderr)
+	//	}
+}
+
+func main() {
+	cfg, err := NewConfig()
+	if err != nil {
+		fmt.Printf("Error while parsing commandline: %v\n\n", err)
+		cfg.PrintUsage()
+		os.Exit(2)
+	}
+	if cfg.Help {
+		cfg.PrintUsage()
+		os.Exit(0)
+	}
+	if cfg.Version {
+		cfg.PrintVersion()
+		os.Exit(0)
+	}
+	cfg.Dump()
+
+	al.Println("just started...")
+
+	dev, err := tuntap.NewDevice(cfg.DeviceType, cfg.DeviceName)
+	if err != nil {
+		al.Printf("Error while opening device: %v", err)
+		os.Exit(1)
+	}
+	al.Printf("Device '%s': opened", dev.Name())
+
+	if cfg.IFConfig.Valid {
+		if err = dev.AddAddress(cfg.IFConfig.Net); err != nil {
+			al.Printf("Error while configuring device: %v", err)
+			os.Exit(1)
+		}
+		al.Printf("Device '%s': added address %s", dev.Name(), cfg.IFConfig.Net.String())
+	}
+
+	if err = dev.SetMTU(1400); err != nil { // TODO: hardcoded value
+		al.Printf("Error while configuring device: %v", err)
+		os.Exit(1)
+	}
+	if err = dev.Up(); err != nil {
+		al.Printf("Error while configuring device: %v", err)
+		os.Exit(1)
+	}
+
+	if cfg.PostUp != "" {
+		al.Printf("Device '%s': running post-up script: %s", dev.Name(), cfg.PostUp)
+		if err = dev.RunPostUp(cfg.PostUp); err != nil {
+			al.Printf("Error while running post-up script: %v", err)
+			os.Exit(1)
+		}
+		al.Printf("Device '%s': post-up script returned 0", dev.Name())
+	}
+
+	for {
+		pkt, err := dev.ReadPacket()
+		if err != nil {
+			al.Printf("Error while reading packet from device: %v", err)
+			os.Exit(1)
+		}
+		payload := ""
+		for i, b := range pkt.Packet {
+			if i == 0 {
+				payload = fmt.Sprintf("{0x%02X", b)
+			} else {
+				payload = payload + fmt.Sprintf(", 0x%02X", b)
+			}
+		}
+		payload = payload + "}"
+		adl.Printf("got packet: Type {0x%04X}, Payload %s", pkt.Protocol, payload)
+	}
+}