add IPADDRESS to NEW_ENVIRON in fingerprinting server

Author: jquast

telnetlib3/fingerprinting.py

@@ -162,6 +162,7 @@ class ProbeResult(TypedDict, total=False):
 ENVIRON_EXTENDED: list[str] = [
     "HOME",
     "SHELL",
+    "IPADDRESS",
     "SSH_CLIENT",
     "SSH_TTY",
     "HOSTNAME",
@@ -625,7 +626,7 @@ def _create_protocol_fingerprint(
     protocol = _get_protocol(writer)
     extra_dict = getattr(protocol, "_extra", {}) if protocol else {}
 
-    for key in ("HOME", "USER", "SHELL"):
+    for key in ("HOME", "USER", "SHELL", "IPADDRESS"):
         if key in extra_dict:
             fingerprint[key] = "True" if extra_dict[key] else "None"
 
@@ -796,7 +797,7 @@ def _create_session_fingerprint(writer: Union[TelnetWriter, TelnetWriterUnicode]
     if term := (writer.get_extra_info("TERM") or writer.get_extra_info("term")):
         identity["TERM"] = term
 
-    for key in ("USER", "HOME", "SHELL", "LANG", "charset"):
+    for key in ("USER", "HOME", "SHELL", "LANG", "IPADDRESS", "charset"):
         if (value := writer.get_extra_info(key)) is not None and value:
             identity[key] = value
 

telnetlib3/fingerprinting_display.py

@@ -402,7 +402,7 @@ def _build_telnet_rows(term: "blessed.Terminal", data: Dict[str, Any]) -> List[T
             pairs.append(("SLC", ", ".join(parts)))
 
     env_vars = []
-    for key in ("USER", "HOME", "SHELL"):
+    for key in ("USER", "HOME", "SHELL", "IPADDRESS"):
         if proto_data.get(key) == "True":
             env_vars.append(key)
     if env_vars:

telnetlib3/tests/test_fingerprinting.py

@@ -1031,6 +1031,7 @@ def test_fingerprinting_server_on_request_environ():
     assert "HOME" in env
     assert "SHELL" in env
     assert "USER" in env
+    assert "IPADDRESS" in env
 
 
 def test_fingerprint_server_shell_has_no_protocol_factory():