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-rw-r--r--warning_linux.go39
1 files changed, 39 insertions, 0 deletions
diff --git a/warning_linux.go b/warning_linux.go
new file mode 100644
index 0000000..d82805f
--- /dev/null
+++ b/warning_linux.go
@@ -0,0 +1,39 @@
+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)
+ }
+}