nullcat
e60a6b76c7
- Added support for extracting and setting MagicDNS suffix. - Normalized `dst_addr` using the MagicDNS suffix to simplify configuration. - Improved logging for normalized and failed addresses during `connect` rule processing.
83 lines
2.1 KiB
Go
83 lines
2.1 KiB
Go
package core
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import (
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"context"
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fmt2 "fmt"
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"log/slog"
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"time"
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"tailscale.com/ipn"
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"tailscale.com/tsnet"
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)
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func InitTsNet(ctx context.Context, cfg *Core, logger *slog.Logger, withDebugLog bool) (*tsnet.Server, error) {
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dbgLogger := func(fmt string, args ...interface{}) {}
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if withDebugLog {
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logger.Warn("Tsnet debug log activated")
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dbgLogger = func(fmt string, args ...interface{}) {
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logger.With(slog.String("from", "tsnet")).Debug(fmt2.Sprintf(fmt, args...))
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}
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}
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srv := &tsnet.Server{
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Hostname: "tslink-" + cfg.Hostname,
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AuthKey: cfg.AuthKey,
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Ephemeral: cfg.Ephemeral,
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Logf: dbgLogger,
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UserLogf: func(fmt string, args ...interface{}) {
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logger.With(slog.String("from", "tsnet")).Info(fmt2.Sprintf(fmt, args...))
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},
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RunWebClient: true,
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}
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if cfg.ControlURL != "" {
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srv.ControlURL = cfg.ControlURL
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}
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logger.Debug("starting tsnet server")
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if err := srv.Start(); err != nil {
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logger.With(slog.String("error", err.Error())).Error("starting tsnet server failed")
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return nil, err
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}
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cnclCtx, cancel := context.WithTimeout(ctx, 30*time.Second)
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defer cancel()
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status, err := srv.Up(cnclCtx)
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if err != nil {
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logger.With(slog.String("error", err.Error())).Error("bring up tsnet server failed")
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return nil, err
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}
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for _, ip := range status.TailscaleIPs {
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logger.With(slog.String("ip", ip.String())).Info("ip got from tsnet")
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}
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rawSuffix, err := GetMagicDNSSuffixFromStatus(status)
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if err != nil {
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logger.Debug("failed to extract MagicDNS suffix", slog.String("error", err.Error()))
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} else {
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SetMagicDNSSuffix(rawSuffix)
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logger.Info("MagicDNS suffix extracted", slog.String("suffix", rawSuffix))
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}
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if cfg.AcceptRoutes {
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lc, err := srv.LocalClient()
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if err != nil {
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logger.With(slog.String("error", err.Error())).Error("error from getting local client")
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} else {
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_, err = lc.EditPrefs(ctx, &ipn.MaskedPrefs{
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Prefs: ipn.Prefs{RouteAll: true},
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RouteAllSet: true,
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})
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if err != nil {
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logger.With(slog.String("error", err.Error())).Error("error from editing prefs")
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} else {
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logger.Debug("subnet route accepted")
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}
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}
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}
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return srv, nil
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}
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