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fix(multiplayer): reject fractional assignment values

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This commit is contained in:
Josh Creek
2026-09-01 22:42:46 +01:00
parent e376e1e80d
commit 75f9026ea1
3 changed files with 17 additions and 1 deletions
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Game/scripts/assignment_state.gd
+9 -1
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@@ -21,7 +21,7 @@ func apply(payload: Dictionary, expected_player_id: String = "") -> bool:
for key in ["match_id", "server_id", "player_id", "slot", "expires_at", "protocol_version", "transport", "endpoint", "join_authorisation"]:
if not payload.has(key):
return _reject("Assignment response is missing " + key)
if not payload["match_id"] is String or not payload["server_id"] is String or not payload["player_id"] is String or not (payload["slot"] is int or payload["slot"] is float) or not payload["expires_at"] is String or not (payload["protocol_version"] is int or payload["protocol_version"] is float) or not payload["transport"] is String or not payload["endpoint"] is String or not payload["join_authorisation"] is String:
if not payload["match_id"] is String or not payload["server_id"] is String or not payload["player_id"] is String or not _valid_nonnegative_integer(payload["slot"]) or not payload["expires_at"] is String or not _valid_nonnegative_integer(payload["protocol_version"]) or not payload["transport"] is String or not payload["endpoint"] is String or not payload["join_authorisation"] is String:
return _reject("Assignment response contains invalid types")
var next_match_id := String(payload["match_id"])
var next_server_id := String(payload["server_id"])
@@ -71,6 +71,14 @@ static func _valid_endpoint(value: String) -> bool:
return port.is_valid_int() and int(port) >= 1 and int(port) <= 65535
static func _valid_nonnegative_integer(value: Variant) -> bool:
if value is int:
return int(value) >= 0
if value is float:
return is_finite(float(value)) and float(value) >= 0.0 and float(value) == floor(float(value))
return false
func _reject(reason: String) -> bool:
available = false
error_message = reason