warning: put into main

diff --git a/main.go b/main.go
index 4b8299a72dfc45e0326853ef53080c222b3c46b3..41231bf3fd69169b58a91bb7c4e1a5335b012a4c 100644 (file)
--- a/main.go
+++ b/main.go
@@ -9,6 +9,7 @@ import (
        "fmt"
        "os"
        "os/signal"
+       "runtime"
        "strconv"
 )
 
@@ -18,8 +19,8 @@ const (
 )
 
 const (
-       ENV_WG_TUN_FD  = "WG_TUN_FD"
-       ENV_WG_UAPI_FD = "WG_UAPI_FD"
+       ENV_WG_TUN_FD             = "WG_TUN_FD"
+       ENV_WG_UAPI_FD            = "WG_UAPI_FD"
        ENV_WG_PROCESS_FOREGROUND = "WG_PROCESS_FOREGROUND"
 )
 
@@ -28,9 +29,45 @@ func printUsage() {
        fmt.Printf("%s [-f/--foreground] INTERFACE-NAME\n", os.Args[0])
 }
 
-func main() {
+func warning() {
+       shouldQuit := false
+
+       fmt.Fprintln(os.Stderr, "WARNING WARNING WARNING WARNING WARNING WARNING WARNING")
+       fmt.Fprintln(os.Stderr, "W                                                     G")
+       fmt.Fprintln(os.Stderr, "W   This is alpha software. It will very likely not   G")
+       fmt.Fprintln(os.Stderr, "W   do what it is supposed to do, and things may go   G")
+       fmt.Fprintln(os.Stderr, "W   horribly wrong. You have been warned. Proceed     G")
+       fmt.Fprintln(os.Stderr, "W   at your own risk.                                 G")
+       if runtime.GOOS == "linux" {
+               shouldQuit = os.Getenv("WG_I_PREFER_BUGGY_USERSPACE_TO_POLISHED_KMOD") != "1"
+
+               fmt.Fprintln(os.Stderr, "W                                                     G")
+               fmt.Fprintln(os.Stderr, "W   Furthermore, you are running this software on a   G")
+               fmt.Fprintln(os.Stderr, "W   Linux kernel, which is probably unnecessary and   G")
+               fmt.Fprintln(os.Stderr, "W   foolish. This is because the Linux kernel has     G")
+               fmt.Fprintln(os.Stderr, "W   built-in first class support for WireGuard, and   G")
+               fmt.Fprintln(os.Stderr, "W   this support is much more refined than this       G")
+               fmt.Fprintln(os.Stderr, "W   program. For more information on installing the   G")
+               fmt.Fprintln(os.Stderr, "W   kernel module, please visit:                      G")
+               fmt.Fprintln(os.Stderr, "W           https://www.wireguard.com/install         G")
+               if shouldQuit {
+                       fmt.Fprintln(os.Stderr, "W                                                     G")
+                       fmt.Fprintln(os.Stderr, "W   If you still want to use this program, against    G")
+                       fmt.Fprintln(os.Stderr, "W   the sage advice here, please first export this    G")
+                       fmt.Fprintln(os.Stderr, "W   environment variable:                             G")
+                       fmt.Fprintln(os.Stderr, "W   WG_I_PREFER_BUGGY_USERSPACE_TO_POLISHED_KMOD=1    G")
+               }
+       }
+       fmt.Fprintln(os.Stderr, "W                                                     G")
+       fmt.Fprintln(os.Stderr, "WARNING WARNING WARNING WARNING WARNING WARNING WARNING")
 
-       Warning()
+       if shouldQuit {
+               os.Exit(1)
+       }
+}
+
+func main() {
+       warning()
 
        // parse arguments
 

diff --git a/warning_default.go b/warning_default.go
deleted file mode 100644 (file)
index 8a0a448..0000000
--- a/warning_default.go
+++ /dev/null
@@ -1,24 +0,0 @@
-// +build !linux
-
-/* SPDX-License-Identifier: GPL-2.0
- *
- * Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- */
-
-package main
-
-import (
-       "fmt"
-       "os"
-)
-
-func Warning() {
-       fmt.Fprintln(os.Stderr, "WARNING WARNING WARNING WARNING WARNING WARNING WARNING")
-       fmt.Fprintln(os.Stderr, "W                                                     G")
-       fmt.Fprintln(os.Stderr, "W   This is alpha software. It will very likely not   G")
-       fmt.Fprintln(os.Stderr, "W   do what it is supposed to do, and things may go   G")
-       fmt.Fprintln(os.Stderr, "W   horribly wrong. You have been warned. Proceed     G")
-       fmt.Fprintln(os.Stderr, "W   at your own risk.                                 G")
-       fmt.Fprintln(os.Stderr, "W                                                     G")
-       fmt.Fprintln(os.Stderr, "WARNING WARNING WARNING WARNING WARNING WARNING WARNING")
-}

diff --git a/warning_linux.go b/warning_linux.go
deleted file mode 100644 (file)
index 2ac7957..0000000
--- a/warning_linux.go
+++ /dev/null
@@ -1,44 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0
- *
- * Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- */
-
-package main
-
-import (
-       "fmt"
-       "os"
-)
-
-func Warning() {
-       shouldQuit := os.Getenv("WG_I_PREFER_BUGGY_USERSPACE_TO_POLISHED_KMOD") != "1"
-
-       fmt.Fprintln(os.Stderr, "WARNING WARNING WARNING WARNING WARNING WARNING WARNING")
-       fmt.Fprintln(os.Stderr, "W                                                     G")
-       fmt.Fprintln(os.Stderr, "W   This is alpha software. It will very likely not   G")
-       fmt.Fprintln(os.Stderr, "W   do what it is supposed to do, and things may go   G")
-       fmt.Fprintln(os.Stderr, "W   horribly wrong. You have been warned. Proceed     G")
-       fmt.Fprintln(os.Stderr, "W   at your own risk.                                 G")
-       fmt.Fprintln(os.Stderr, "W                                                     G")
-       fmt.Fprintln(os.Stderr, "W   Furthermore, you are running this software on a   G")
-       fmt.Fprintln(os.Stderr, "W   Linux kernel, which is probably unnecessary and   G")
-       fmt.Fprintln(os.Stderr, "W   foolish. This is because the Linux kernel has     G")
-       fmt.Fprintln(os.Stderr, "W   built-in first class support for WireGuard, and   G")
-       fmt.Fprintln(os.Stderr, "W   this support is much more refined than this       G")
-       fmt.Fprintln(os.Stderr, "W   program. For more information on installing the   G")
-       fmt.Fprintln(os.Stderr, "W   kernel module, please visit:                      G")
-       fmt.Fprintln(os.Stderr, "W           https://www.wireguard.com/install         G")
-       if shouldQuit {
-               fmt.Fprintln(os.Stderr, "W                                                     G")
-               fmt.Fprintln(os.Stderr, "W   If you still want to use this program, against    G")
-               fmt.Fprintln(os.Stderr, "W   the sage advice here, please first export this    G")
-               fmt.Fprintln(os.Stderr, "W   environment variable:                             G")
-               fmt.Fprintln(os.Stderr, "W   WG_I_PREFER_BUGGY_USERSPACE_TO_POLISHED_KMOD=1    G")
-       }
-       fmt.Fprintln(os.Stderr, "W                                                     G")
-       fmt.Fprintln(os.Stderr, "WARNING WARNING WARNING WARNING WARNING WARNING WARNING")
-
-       if shouldQuit {
-               os.Exit(1)
-       }
-}