From b051e76d00ab97baa948e69cdacadba3cf4739da Mon Sep 17 00:00:00 2001
From: Mark Qvist <bc7291552be7a58f361522990465165c>
Date: Wed, 22 Jul 2026 17:53:04 +0200
Subject: [PATCH] Allow boundary -> boundary and boundary -> gateway path
 requests

---
 RNS/Interfaces/Interface.py | 3 ++-
 RNS/Transport.py            | 7 ++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/RNS/Interfaces/Interface.py b/RNS/Interfaces/Interface.py
index 9d6ce3ae..6b1437c5 100755
--- a/RNS/Interfaces/Interface.py
+++ b/RNS/Interfaces/Interface.py
@@ -52,7 +52,8 @@ class Interface:
 
     # Which interface modes a Transport Node should
     # actively discover paths for.
-    DISCOVER_PATHS_FOR  = [MODE_ACCESS_POINT, MODE_GATEWAY, MODE_ROAMING, MODE_INTERNAL]
+    DISCOVER_PATHS_FOR    = [MODE_ACCESS_POINT, MODE_GATEWAY, MODE_ROAMING, MODE_INTERNAL]
+    BOUNDARY_SEARCH_MODES = [MODE_BOUNDARY, MODE_GATEWAY]
 
     # How many samples to use for announce
     # frequency calculations
diff --git a/RNS/Transport.py b/RNS/Transport.py
index c536f6b2..7270934c 100755
--- a/RNS/Transport.py
+++ b/RNS/Transport.py
@@ -2945,13 +2945,17 @@ class Transport:
     @staticmethod
     def path_request(destination_hash, is_from_local_client, attached_interface, requestor_transport_id=None, tag=None):
         should_search_for_unknown = False
-        should_ingress_limit = False
+        should_ingress_limit      = False
+        search_mode_filter        = None
 
         if attached_interface != None:
             should_ingress_limit = attached_interface.should_ingress_limit_pr()
             if RNS.Reticulum.transport_enabled():
                 if attached_interface.recursive_prs: should_search_for_unknown = True
                 elif attached_interface.mode in RNS.Interfaces.Interface.Interface.DISCOVER_PATHS_FOR: should_search_for_unknown = True
+                elif attached_interface.mode == RNS.Interfaces.Interface.Interface.MODE_BOUNDARY:
+                    should_search_for_unknown = True
+                    search_mode_filter        = RNS.Interfaces.Interface.Interface.BOUNDARY_SEARCH_MODES
 
         if RNS.sl(RNS.LOG_PATHING):
             interface_str = f" on {attached_interface}"
@@ -3068,6 +3072,7 @@ class Transport:
                 with Transport.discovery_pr_lock: Transport.discovery_path_requests[destination_hash] = pr_entry
 
                 for interface in Transport.interfaces:
+                    if search_mode_filter and not interface.mode in search_mode_filter: continue
                     if not interface == attached_interface:
                         if interface.should_egress_limit_pr():
                             RNS.log(f"Not sending recursive path request on {interface} due to active egress limiting", RNS.LOG_EXTREME) if RNS.sl(RNS.LOG_EXTREME) else None