Method initDNSCryptServers

proxy/serverdnscrypt.go:16–47

initDNSCryptServers initializes the DNSCrypt servers.

(ctx context.Context)

// initDNSCryptServers initializes the DNSCrypt servers.
func (p *Proxy) initDNSCryptServers(ctx context.Context) (err error) {
	if len(p.DNSCryptUDPListenAddr) == 0 && len(p.DNSCryptTCPListenAddr) == 0 {
		// Do nothing if DNSCrypt listen addresses are not specified.
		return nil
	}

	if p.DNSCryptResolverCert == nil || p.DNSCryptProviderName == "" {
		return errors.Error("invalid dnscrypt configuration: no certificate or provider name")
	}

	p.logger.InfoContext(ctx, "initializing dnscrypt", "provider", p.DNSCryptProviderName)

	for _, addr := range p.DNSCryptUDPListenAddr {
		s, sErr := p.newDNSCryptServer(ctx, netutil.NetAddrToAddrPort(addr), dnscrypt.ProtoUDP)
		if sErr != nil {
			return fmt.Errorf("listening to dnscrypt udp on addr %s: %w", addr, sErr)
		}

		p.dnsCryptServers = append(p.dnsCryptServers, s)
	}

	for _, addr := range p.DNSCryptTCPListenAddr {
		s, sErr := p.newDNSCryptServer(ctx, netutil.NetAddrToAddrPort(addr), dnscrypt.ProtoTCP)
		if sErr != nil {
			return fmt.Errorf("listening to dnscrypt tcp on addr %s: %w", addr, sErr)
		}

		p.dnsCryptServers = append(p.dnsCryptServers, s)
	}

	return nil
}

// startDNSCryptServers starts the DNSCrypt servers.
func (p *Proxy) startDNSCryptServers(ctx context.Context) (err error) {