| 21 | } |
| 22 | |
| 23 | func NodeConfigValidator(central *CentralCfg, node *LocalCfg) error { |
| 24 | err := NameValidator(string(node.Id)) |
| 25 | if err != nil { |
| 26 | return err |
| 27 | } |
| 28 | if node.Port == 0 { |
| 29 | return fmt.Errorf("port must be greater than 0") |
| 30 | } |
| 31 | if node.Key == [32]byte{} { |
| 32 | return fmt.Errorf("private key must not be empty") |
| 33 | } |
| 34 | if node.InterfaceName != "" { |
| 35 | err = NameValidator(node.InterfaceName) |
| 36 | if err != nil { |
| 37 | return fmt.Errorf("interface name is invalid: %v", err) |
| 38 | } |
| 39 | } |
| 40 | if node.Dist != nil { |
| 41 | _, err := url.Parse(node.Dist.Url) |
| 42 | if err != nil { |
| 43 | return err |
| 44 | } |
| 45 | } |
| 46 | if len(node.DnsResolvers) != 0 { |
| 47 | for _, resolver := range node.DnsResolvers { |
| 48 | if _, err := netip.ParseAddrPort(resolver); err != nil { |
| 49 | return fmt.Errorf("dns resolver %s is not a valid ip:port: %v", resolver, err) |
| 50 | } |
| 51 | } |
| 52 | } |
| 53 | // validate prefixes |
| 54 | for _, p := range append(node.UnexcludeIPs, node.ExcludeIPs...) { |
| 55 | if !p.IsValid() { |
| 56 | return fmt.Errorf("invalid prefix %s", p) |
| 57 | } |
| 58 | } |
| 59 | // check that node is in central config |
| 60 | if central != nil && !central.IsNode(node.Id) { |
| 61 | return fmt.Errorf("node %s is not in central config", node.Id) |
| 62 | } |
| 63 | return nil |
| 64 | } |
| 65 | |
| 66 | func AddrToPrefix(addr netip.Addr) netip.Prefix { |
| 67 | res, err := addr.Prefix(addr.BitLen()) |