check we're still connected in writeln

2026-01-07 16:24:28 +01:00 · 2015-11-07 19:59:27 +00:00
parent 064c5d9e96
commit fbbcb60eba
1 changed files with 4 additions and 2 deletions
--- a/cowrie/core/protocol.py
+++ b/cowrie/core/protocol.py
@@ -127,8 +127,10 @@ class HoneyPotBaseProtocol(insults.TerminalProtocol, TimeoutMixin):
            self.cmdstack[-1].lineReceived(line)

    def writeln(self, data):
-        self.terminal.write(data)
-        self.terminal.nextLine()
+        # sometimes still called after disconnect because of a deferred
+        if self.terminal:
+            self.terminal.write(data)
+            self.terminal.nextLine()

    def call_command(self, cmd, *args):
        obj = cmd(self, *args)