45 lines
963 B
Go
45 lines
963 B
Go
package main
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import (
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"fmt"
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"io"
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"os"
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"os/exec"
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"path/filepath"
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)
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func main() {
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if os.Getenv("GOKRAZY_FIRST_START") == "1" {
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os.Exit(0)
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}
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const frozenDir = "/usr/lib/iptables.frozen"
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args := append([]string{
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os.Args[0],
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"--argv0", os.Args[0],
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frozenDir + "/" + filepath.Base(os.Args[0]),
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}, os.Args[1:]...)
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f, err := os.OpenFile("/tmp/nft", os.O_WRONLY|os.O_APPEND, 0o777)
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if err == nil {
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fmt.Fprintln(f, os.Args[1:])
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f.Close()
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}
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f, _ = os.OpenFile("/tmp/nft.stdin", os.O_WRONLY|os.O_APPEND, 0o777)
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defer f.Close()
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r := io.TeeReader(os.Stdin, f)
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cmd := exec.Command(frozenDir+"/ld-musl-aarch64.so.1", args...)
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cmd.Stdin = r
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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cmd.Env = append(os.Environ(),
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"FOO=duplicate_value", // ignored
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"FOO=actual_value", // this value is used
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)
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cmd.Run()
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//syscall.Exec(
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// frozenDir+"/ld-musl-aarch64.so.1",
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// args,
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// append(os.Environ(), "LD_LIBRARY_PATH="+frozenDir),
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//)
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}
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