fix for symlinks with colon (fixes #1374)

src/lib/ebus/protocol.cpp

@@ -70,7 +70,8 @@ ProtocolHandler* ProtocolHandler::create(const ebus_protocol_config_t config,
     }
   }
   Transport* transport;
-  if (strchr(name, '/') == nullptr || strchr(name, ':') != nullptr) {
+  // symlink device name may contain colon, so only check for absence of slash only
+  if (strchr(name, '/') == nullptr) {
     char* in = strdup(name);
     bool udp = false;
     char* addrpos = in;
@@ -97,6 +98,7 @@ ProtocolHandler* ProtocolHandler::create(const ebus_protocol_config_t config,
     transport = new NetworkTransport(name, config.extraLatency, hostOrIp, port, udp);
   } else {
     // support ens:/dev/<device>, enh:/dev/<device>, and /dev/<device>
+    // as well as symlinks like /dev/serial/by-id/...Espressif_00:01:02:03...
     transport = new SerialTransport(name, config.extraLatency, !config.noDeviceCheck, speed);
   }
   Device* device;