From b9fc4f7c2cbfd319512b89d6af6421bb7cc1d2f0 Mon Sep 17 00:00:00 2001
From: Jason Brand <jbrand42@users.noreply.github.com>
Date: Tue, 15 Feb 2022 23:15:23 +0000
Subject: %C support in config file

---
 paramiko/config.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/paramiko/config.py b/paramiko/config.py
index e6877d01..0e3a5eaa 100644
--- a/paramiko/config.py
+++ b/paramiko/config.py
@@ -27,6 +27,7 @@ import os
 import re
 import shlex
 import socket
+import hashlib
 from functools import partial
 
 from .py3compat import StringIO
@@ -435,7 +436,10 @@ class SSHConfig(object):
         # The actual tokens!
         replacements = {
             # TODO: %%???
-            # TODO: %C?
+            "%C": hashlib.sha1((local_hostname +
+                                target_hostname +
+                                str(port) +
+                                remoteuser).encode("utf-8")).hexdigest(),
             "%d": homedir,
             "%h": configured_hostname,
             # TODO: %i?
-- 
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