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// Command mitmuxd is the mitmux headless proxy daemon. It owns the
// listening socket and (in later build steps) the traffic database; a
// TUI or other client attaches separately without interrupting capture.
package main
import (
"context"
"flag"
"log"
"os"
"os/signal"
"syscall"
"time"
"mitmux/internal/ca"
"mitmux/internal/proxy"
)
func main() {
listen := flag.String("listen", "127.0.0.1:8080", "proxy listen address")
caDir := flag.String("ca-dir", "", "directory for CA cert/key (default: XDG config dir)")
flag.Parse()
dir := *caDir
if dir == "" {
d, err := ca.Dir()
if err != nil {
log.Fatalf("resolve CA dir: %v", err)
}
dir = d
}
root, err := ca.EnsureCA(dir)
if err != nil {
log.Fatalf("load CA: %v", err)
}
log.Printf("CA ready: %s (install %s/ca.pem in your client's trust store to avoid TLS warnings)", root.Cert.Subject.CommonName, dir)
srv := proxy.New(*listen, root)
errCh := make(chan error, 1)
go func() {
errCh <- srv.ListenAndServe()
}()
sigCh := make(chan os.Signal, 1)
signal.Notify(sigCh, os.Interrupt, syscall.SIGTERM)
select {
case err := <-errCh:
if err != nil {
log.Fatalf("proxy: %v", err)
}
case sig := <-sigCh:
log.Printf("received %s, shutting down", sig)
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if err := srv.Shutdown(ctx); err != nil {
log.Fatalf("shutdown: %v", err)
}
}
}
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