UPNP Port Forwarding Fail On Local IP Change#698

lib/archethic/networking/ip_lookup/nat_discovery/miniupnp.ex

@@ -43,8 +43,27 @@ defmodule Archethic.Networking.IPLookup.NATDiscovery.MiniUPNP do
     end
   end
 
-  defp do_open_port(local_ip, port) do
-    opts = [
+  @spec do_open_port(:inet.ip_address(), non_neg_integer()) :: :ok | :error
+  defp do_open_port(local_ip, port, retries \\ 2)
+
+  defp do_open_port(_local_ip, _port, 0), do: :error
+
+  defp do_open_port(local_ip, port, retries) do
+    case System.cmd(@upnpc, map_query(local_ip, port)) do
+      {_, 0} ->
+        :ok
+
+      {reason, _} ->
+        handle_error(reason, local_ip, port)
+
+        do_open_port(local_ip, port, retries - 1)
+    end
+  end
+
+  @protocol "tcp"
+  @spec map_query(:inet.ip_address(), non_neg_integer()) :: [String.t()]
+  defp map_query(local_ip, port) do
+    [
       # Add redirection
       "-a",
       # Local ip
@@ -54,18 +73,33 @@ defmodule Archethic.Networking.IPLookup.NATDiscovery.MiniUPNP do
       # Remote port to open
       "#{port}",
       # Protocol
-      "tcp",
+      @protocol,
       # Lifetime
       "0"
     ]
+  end
 
-    case System.cmd(@upnpc, opts) do
-      {_, 0} ->
-        :ok
-
-      {reason, _status} ->
-        Logger.debug(reason)
-        :error
+  @spec handle_error(
+          reason :: String.t(),
+          local_ip :: :inet.ip_address(),
+          port :: non_neg_integer()
+        ) :: :error | any()
+  defp handle_error(reason, _local_ip, port) do
+    if Regex.scan(~r/ConflictInMappingEntry/, reason, capture: :all) != [] do
+      Logger.warning("Port is employed to another host.")
+      System.cmd(@upnpc, revoke_query(port))
     end
   end
+
+  @spec revoke_query(non_neg_integer()) :: [String.t()]
+  defp revoke_query(port) do
+    [
+      # deleting redirection
+      "-d",
+      # external port to delete
+      "#{port}",
+      # Protocol
+      @protocol
+    ]
+  end
 end

mix.lock

@@ -32,7 +32,7 @@
   "exjsonpath": {:hex, :exjsonpath, "0.9.0", "87e593eb0deb53aa0688ca9f9edc9fb3456aca83c82245f83201ea04d696feba", [:mix], [], "hexpm", "8d7a8e9ba784e1f7a67c6f1074a3ac91a3a79a45969514ee5d95cea5bf749627"},
   "file_system": {:hex, :file_system, "0.2.10", "fb082005a9cd1711c05b5248710f8826b02d7d1784e7c3451f9c1231d4fc162d", [:mix], [], "hexpm", "41195edbfb562a593726eda3b3e8b103a309b733ad25f3d642ba49696bf715dc"},
   "floki": {:hex, :floki, "0.34.0", "002d0cc194b48794d74711731db004fafeb328fe676976f160685262d43706a8", [:mix], [], "hexpm", "9c3a9f43f40dde00332a589bd9d389b90c1f518aef500364d00636acc5ebc99c"},
-  "flow": {:hex, :flow, "1.2.1", "cfe984b2078ced0bc92807737909abe1b158288256244cc77d03ad96cbef1571", [:mix], [{:gen_stage, "~> 1.0", [hex: :gen_stage, repo: "hexpm", optional: false]}], "hexpm", "3f9fe6a4b28b8e82822d7a851c8d8fe3ac3c0e597aa2cf3cccd81f9af561abee"},
+  "flow": {:hex, :flow, "1.2.2", "b23a52f55e38556c4bc06bcb8530c81bdb440d42b7fae1f78a7c0563d662aee9", [:mix], [{:gen_stage, "~> 1.0", [hex: :gen_stage, repo: "hexpm", optional: false]}], "hexpm", "ab442b82456d4217562bde5852da18189b8386006d221d514c98ad49d1e80040"},
   "gen_stage": {:hex, :gen_stage, "1.1.2", "b1656cd4ba431ed02c5656fe10cb5423820847113a07218da68eae5d6a260c23", [:mix], [], "hexpm", "9e39af23140f704e2b07a3e29d8f05fd21c2aaf4088ff43cb82be4b9e3148d02"},
   "gen_state_machine": {:hex, :gen_state_machine, "3.0.0", "1e57f86a494e5c6b14137ebef26a7eb342b3b0070c7135f2d6768ed3f6b6cdff", [:mix], [], "hexpm", "0a59652574bebceb7309f6b749d2a41b45fdeda8dbb4da0791e355dd19f0ed15"},
   "git_hooks": {:hex, :git_hooks, "0.7.3", "09489e94d88dfc767662e22aff2b6208bd7cf555a19dd0e1477cca4683ce0701", [:mix], [{:blankable, "~> 1.0.0", [hex: :blankable, repo: "hexpm", optional: false]}, {:recase, "~> 0.7.0", [hex: :recase, repo: "hexpm", optional: false]}], "hexpm", "d6ddedeb4d3a8602bc3f84e087a38f6150a86d9e790628ed8bc70e6d90681659"},
@@ -56,7 +56,7 @@
   "phoenix": {:hex, :phoenix, "1.6.15", "0a1d96bbc10747fd83525370d691953cdb6f3ccbac61aa01b4acb012474b047d", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 2.0", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:phoenix_view, "~> 1.0 or ~> 2.0", [hex: :phoenix_view, repo: "hexpm", optional: false]}, {:plug, "~> 1.10", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 2.2", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:plug_crypto, "~> 1.2", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "d70ab9fbf6b394755ea88b644d34d79d8b146e490973151f248cacd122d20672"},
   "phoenix_html": {:hex, :phoenix_html, "3.2.0", "1c1219d4b6cb22ac72f12f73dc5fad6c7563104d083f711c3fcd8551a1f4ae11", [:mix], [{:plug, "~> 1.5", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm", "36ec97ba56d25c0136ef1992c37957e4246b649d620958a1f9fa86165f8bc54f"},
   "phoenix_live_dashboard": {:hex, :phoenix_live_dashboard, "0.7.2", "97cc4ff2dba1ebe504db72cb45098cb8e91f11160528b980bd282cc45c73b29c", [:mix], [{:ecto, "~> 3.6.2 or ~> 3.7", [hex: :ecto, repo: "hexpm", optional: true]}, {:ecto_mysql_extras, "~> 0.5", [hex: :ecto_mysql_extras, repo: "hexpm", optional: true]}, {:ecto_psql_extras, "~> 0.7", [hex: :ecto_psql_extras, repo: "hexpm", optional: true]}, {:mime, "~> 1.6 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:phoenix_live_view, "~> 0.18.3", [hex: :phoenix_live_view, repo: "hexpm", optional: false]}, {:telemetry_metrics, "~> 0.6 or ~> 1.0", [hex: :telemetry_metrics, repo: "hexpm", optional: false]}], "hexpm", "0e5fdf063c7a3b620c566a30fcf68b7ee02e5e46fe48ee46a6ec3ba382dc05b7"},
-  "phoenix_live_view": {:hex, :phoenix_live_view, "0.18.3", "2e3d009422addf8b15c3dccc65ce53baccbe26f7cfd21d264680b5867789a9c1", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix, "~> 1.6.15 or ~> 1.7.0", [hex: :phoenix, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 3.1", [hex: :phoenix_html, repo: "hexpm", optional: false]}, {:phoenix_template, "~> 1.0", [hex: :phoenix_template, repo: "hexpm", optional: false]}, {:phoenix_view, "~> 2.0", [hex: :phoenix_view, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.2 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "c8845177a866e017dcb7083365393c8f00ab061b8b6b2bda575891079dce81b2"},
+  "phoenix_live_view": {:hex, :phoenix_live_view, "0.18.4", "7b06aefe43efbbee7f33fa0875b409400243e4c96d7bb2f962d0a0c0b5ddacb1", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix, "~> 1.6.15 or ~> 1.7.0", [hex: :phoenix, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 3.1", [hex: :phoenix_html, repo: "hexpm", optional: false]}, {:phoenix_template, "~> 1.0", [hex: :phoenix_template, repo: "hexpm", optional: false]}, {:phoenix_view, "~> 2.0", [hex: :phoenix_view, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.2 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "b37778447c9d3e9904899e132d62a7d484fa8abcc10433b1b820a9b907b82852"},
   "phoenix_pubsub": {:hex, :phoenix_pubsub, "2.1.1", "ba04e489ef03763bf28a17eb2eaddc2c20c6d217e2150a61e3298b0f4c2012b5", [:mix], [], "hexpm", "81367c6d1eea5878ad726be80808eb5a787a23dee699f96e72b1109c57cdd8d9"},
   "phoenix_template": {:hex, :phoenix_template, "1.0.0", "c57bc5044f25f007dc86ab21895688c098a9f846a8dda6bc40e2d0ddc146e38f", [:mix], [{:phoenix_html, "~> 2.14.2 or ~> 3.0", [hex: :phoenix_html, repo: "hexpm", optional: true]}], "hexpm", "1b066f99a26fd22064c12b2600a9a6e56700f591bf7b20b418054ea38b4d4357"},
   "phoenix_view": {:hex, :phoenix_view, "2.0.2", "6bd4d2fd595ef80d33b439ede6a19326b78f0f1d8d62b9a318e3d9c1af351098", [:mix], [{:phoenix_html, "~> 2.14.2 or ~> 3.0", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:phoenix_template, "~> 1.0", [hex: :phoenix_template, repo: "hexpm", optional: false]}], "hexpm", "a929e7230ea5c7ee0e149ffcf44ce7cf7f4b6d2bfe1752dd7c084cdff152d36f"},