adding a wintun test go program while trying to sort out how wireguard is using wintun etc

2026-10-15 00:51:21 +00:00 · 2020-04-06 11:32:27 -04:00
parent 0f927d2ac4
commit b549339dcd
3 changed files with 163 additions and 0 deletions
@@ -0,0 +1,9 @@
+module wintun-testing
+
+go 1.14
+
+require (
+	golang.org/x/sys v0.0.0-20200406113430-c6e801f48ba2
+	golang.zx2c4.com/wireguard v0.0.20200320
+	golang.zx2c4.com/wireguard/windows v0.1.0
+)
@@ -0,0 +1,28 @@
+github.com/lxn/walk v0.0.0-20191128110447-55ccb3a9f5c1/go.mod h1:E23UucZGqpuUANJooIbHWCufXvOcT6E7Stq81gU+CSQ=
+github.com/lxn/win v0.0.0-20191128105842-2da648fda5b4/go.mod h1:ouWl4wViUNh8tPSIwxTVMuS014WakR1hqvBc2I0bMoA=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20191002192127-34f69633bfdc/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d h1:1ZiEyfaQIg3Qh0EoqpwAakHVhecoE5wlSg5GjnafJGw=
+golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20191003171128-d98b1b443823/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200301022130-244492dfa37a h1:GuSPYbZzB5/dcLNCwLQLsg3obCJtX9IJhpXkvY7kzk0=
+golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191003212358-c178f38b412c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200301040627-c5d0d7b4ec88/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200406113430-c6e801f48ba2 h1:Z9pPywZscwuw0ijrLEbTzW9lppFgBY4HDgbvoDnreQs=
+golang.org/x/sys v0.0.0-20200406113430-c6e801f48ba2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3-0.20191230102452-929e72ca90de h1:aYKJLPSrddB2N7/6OKyFqJ337SXpo61bBuvO5p1+7iY=
+golang.org/x/text v0.3.3-0.20191230102452-929e72ca90de/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.zx2c4.com/wireguard v0.0.20200122-0.20200214175355-9cbcff10dd3e/go.mod h1:P2HsVp8SKwZEufsnezXZA4GRX/T49/HlU7DGuelXsU4=
+golang.zx2c4.com/wireguard v0.0.20200320 h1:1vE6zVeO7fix9cJX1Z9ZQ+ikPIIx7vIyU0o0tLDD88g=
+golang.zx2c4.com/wireguard v0.0.20200320/go.mod h1:lDian4Sw4poJ04SgHh35nzMVwGSYlPumkdnHcucAQoY=
+golang.zx2c4.com/wireguard/windows v0.1.0 h1:742izt2DAJBpIQT+DvrzN58P9p7fO4BUFOgMzY9qVhw=
+golang.zx2c4.com/wireguard/windows v0.1.0/go.mod h1:EK7CxrFnicmYJ0ZCF6crBh2/EMMeSxMlqgLlwN0Kv9s=
@@ -0,0 +1,126 @@
+package main
+
+import (
+  "fmt"
+  "golang.org/x/sys/windows"
+  "golang.zx2c4.com/wireguard/device"
+  "golang.zx2c4.com/wireguard/ipc"
+  "golang.zx2c4.com/wireguard/tun"
+  "golang.zx2c4.com/wireguard/windows/tunnel/winipcfg"
+  "net"
+  "os"
+  "os/signal"
+  user2 "os/user"
+  "syscall"
+)
+
+const (
+  ExitSetupSuccess = 0
+  ExitSetupFailed  = 1
+)
+
+func main(){
+
+
+  user,err := user2.Current()
+
+  fmt.Printf("Hi there: %v", user)
+
+  if len(os.Args) != 2 {
+    os.Exit(ExitSetupFailed)
+  }
+  interfaceName := os.Args[1]
+
+  fmt.Fprintln(os.Stderr, "Warning: this is a test program for Windows, mainly used for debugging this Go package. For a real WireGuard for Windows client, the repo you want is <https://git.zx2c4.com/wireguard-windows/>, which includes this code as a module.")
+
+  logger := device.NewLogger(
+    device.LogLevelDebug,
+    fmt.Sprintf("(%s) ", interfaceName),
+  )
+  logger.Info.Println("Starting wireguard-go version", device.WireGuardGoVersion)
+  logger.Debug.Println("Debug log enabled")
+
+  tunDevice, err := tun.CreateTUN(interfaceName, 0)
+  //defer tunDevice.Close() _note_ the device.close() seems to be closing the tun so this is not needed
+  if err == nil {
+    realInterfaceName, err2 := tunDevice.Name()
+    if err2 == nil {
+      interfaceName = realInterfaceName
+    }
+  } else {
+    logger.Error.Println("Failed to create TUN device:", err)
+    os.Exit(ExitSetupFailed)
+  }
+
+
+  nativeTunDevice := tunDevice.(*tun.NativeTun)
+  luid := winipcfg.LUID(nativeTunDevice.LUID())
+  //xxx ip, ipnet, _ := net.ParseCIDR("10.82.31.4/24")
+  ip, ipnet, _ := net.ParseCIDR("169.254.100.200/32")
+  err = luid.SetIPAddresses([]net.IPNet{{ip, ipnet.Mask}})
+  if err != nil {
+    fatal(err)
+  }
+  err = luid.SetRoutes([]*winipcfg.RouteData{{*ipnet, ipnet.IP, 0}})
+  if err != nil {
+    fatal(err)
+  }
+
+
+
+
+
+
+
+
+
+
+  device := device.NewDevice(tunDevice, logger)
+  defer device.Close()
+  device.Up()
+  logger.Info.Println("Device started")
+
+  uapi, err := ipc.UAPIListen(interfaceName)
+  if err != nil {
+    logger.Error.Println("Failed to listen on uapi socket:", err)
+    os.Exit(ExitSetupFailed)
+  }
+  defer uapi.Close()
+
+  errs := make(chan error)
+  term := make(chan os.Signal, 1)
+
+  go func() {
+    for {
+      conn, err := uapi.Accept()
+      if err != nil {
+        errs <- err
+        return
+      }
+      go device.IpcHandle(conn)
+    }
+  }()
+  logger.Info.Println("UAPI listener started")
+
+  // wait for program to terminate
+
+  signal.Notify(term, os.Interrupt)
+  signal.Notify(term, os.Kill)
+  signal.Notify(term, syscall.SIGTERM)
+
+  select {
+  case <-term:
+  case <-errs:
+  case <-device.Wait():
+  }
+
+  // clean up
+
+  logger.Info.Println("Shutting down")
+}
+
+
+
+func fatal(v ...interface{}) {
+  panic(windows.StringToUTF16Ptr(fmt.Sprint(v...)))
+}