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Prevent licensed users from rebroadcasting unlicensed traffic (#6068)

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* Prevent licensed users from rebroadcasting unlicensed traffic

* Added method and enum to make user license status more clear
This commit is contained in:
Ben Meadors 2025-02-16 20:18:16 -06:00 committed by GitHub
parent 022dc29ea7
commit 9ce19c5c1c
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3 changed files with 20 additions and 0 deletions
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11
src/mesh/NodeDB.cpp
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@ -1567,6 +1567,17 @@ bool NodeDB::hasValidPosition(const meshtastic_NodeInfoLite *n)
return n->has_position && (n->position.latitude_i != 0 || n->position.longitude_i != 0);
}
/// If we have a node / user and they report is_licensed = true
/// we consider them licensed
UserLicenseStatus NodeDB::getLicenseStatus(uint32_t nodeNum)
{
meshtastic_NodeInfoLite *info = getMeshNode(nodeNum);
if (!info || !info->has_user) {
return UserLicenseStatus::NotKnown;
}
return info->user.is_licensed ? UserLicenseStatus::Licensed : UserLicenseStatus::NotLicensed;
}
/// Record an error that should be reported via analytics
void recordCriticalError(meshtastic_CriticalErrorCode code, uint32_t address, const char *filename)
{

4
src/mesh/NodeDB.h
View File

@ -68,6 +68,8 @@ enum LoadFileResult {
OTHER_FAILURE = 5
};
enum UserLicenseStatus { NotKnown, NotLicensed, Licensed };
class NodeDB
{
// NodeNum provisionalNodeNum; // if we are trying to find a node num this is our current attempt
@ -167,6 +169,8 @@ class NodeDB
virtual meshtastic_NodeInfoLite *getMeshNode(NodeNum n);
size_t getNumMeshNodes() { return numMeshNodes; }
UserLicenseStatus getLicenseStatus(uint32_t nodeNum);
size_t getMaxNodesAllocatedSize()
{
meshtastic_NodeDatabase emptyNodeDatabase;

5
src/modules/RoutingModule.cpp
View File

@ -20,6 +20,11 @@ bool RoutingModule::handleReceivedProtobuf(const meshtastic_MeshPacket &mp, mesh
if ((nodeDB->getMeshNode(mp.from) == NULL || !nodeDB->getMeshNode(mp.from)->has_user) &&
(nodeDB->getMeshNode(mp.to) == NULL || !nodeDB->getMeshNode(mp.to)->has_user))
return false;
} else if (owner.is_licensed && nodeDB->getLicenseStatus(mp.from) == UserLicenseStatus::NotLicensed) {
// Don't let licensed users to rebroadcast packets from unlicensed users
// If we know they are in-fact unlicensed
LOG_DEBUG("Packet from unlicensed user, ignoring packet");
return false;
}
printPacket("Routing sniffing", &mp);