Licensed usage compliance (#6047)

* Prevent psk and legacy admin channel on licensed mode

* Move it

* Consolidate warning strings

* More holes

src/mesh/Channels.cpp

@@ -93,6 +93,35 @@ void Channels::initDefaultLoraConfig()
 #endif
 }
 
+bool Channels::ensureLicensedOperation()
+{
+    if (!owner.is_licensed) {
+        return false;
+    }
+    bool hasEncryptionOrAdmin = false;
+    for (uint8_t i = 0; i < MAX_NUM_CHANNELS; i++) {
+        auto channel = channels.getByIndex(i);
+        if (!channel.has_settings) {
+            continue;
+        }
+        auto &channelSettings = channel.settings;
+        if (strcasecmp(channelSettings.name, Channels::adminChannel) == 0) {
+            channel.role = meshtastic_Channel_Role_DISABLED;
+            channelSettings.psk.bytes[0] = 0;
+            channelSettings.psk.size = 0;
+            hasEncryptionOrAdmin = true;
+            channels.setChannel(channel);
+
+        } else if (channelSettings.psk.size > 0) {
+            channelSettings.psk.bytes[0] = 0;
+            channelSettings.psk.size = 0;
+            hasEncryptionOrAdmin = true;
+            channels.setChannel(channel);
+        }
+    }
+    return hasEncryptionOrAdmin;
+}
+
 /**
  * Write a default channel to the specified channel index
  */

src/mesh/Channels.h

@@ -92,6 +92,8 @@ class Channels
     // Returns true if any of our channels have enabled MQTT uplink or downlink
     bool anyMqttEnabled();
 
+    bool ensureLicensedOperation();
+
   private:
     /** Given a channel index, change to use the crypto key specified by that index
      *

src/mesh/NodeDB.cpp

@@ -328,6 +328,11 @@ NodeDB::NodeDB()
     moduleConfig.neighbor_info.update_interval =
         Default::getConfiguredOrMinimumValue(moduleConfig.neighbor_info.update_interval, min_neighbor_info_broadcast_secs);
 
+    // Don't let licensed users to rebroadcast encrypted packets
+    if (owner.is_licensed) {
+        config.device.rebroadcast_mode = meshtastic_Config_DeviceConfig_RebroadcastMode_LOCAL_ONLY;
+    }
+
     if (devicestateCRC != crc32Buffer(&devicestate, sizeof(devicestate)))
         saveWhat |= SEGMENT_DEVICESTATE;
     if (nodeDatabaseCRC != crc32Buffer(&nodeDatabase, sizeof(nodeDatabase)))