allo wg config for dynamic peers

2 files changed, 10 insertions, 3 deletions

diff --git a/autopeer_shell.py b/autopeer_shell.py
index de126e4..9ec8702 100755
--- a/autopeer_shell.py
+++ b/autopeer_shell.py
@@ -114,7 +114,10 @@ My Tunnel IPv6LL: {me.ipll}
 			<wg pubkey> is your WireGuard public key
 			<wg address> is your WireGuard IP or hostname
 			<wg port> is your WireGuard port
-			<ipv6 link local> is your WireGuard IPv6LL'''
+			<ipv6 link local> is your WireGuard IPv6LL
+
+			Note: if you have a dynamic IP, specify the port as 0 (and some valid garbage for the IP).
+			The Endpoint (IP and port) will then be omitted from my side, so WireGuard will wait to receive packets from you first.'''
 		if not re.match(NAME_REGEX, name):
 			print(f'Error: name must match {NAME_REGEX}', file=sys.stderr)
 			return
diff --git a/lib_autopeer.py b/lib_autopeer.py
index cf3b66e..4de4f37 100644
--- a/lib_autopeer.py
+++ b/lib_autopeer.py
@@ -53,7 +53,7 @@ def _wg_config(name, far_side, local_side):
 	else:
 		privkey = '<REPLACE ME>'
 
-	return f'''
+	out = f'''
 [Interface]
 Address = {local_side.ipll}/128
 Table = off
@@ -64,6 +64,10 @@ PrivateKey = {privkey}
 [Peer]
 PublicKey = {far_side.pubkey}
 AllowedIPs = fd00::/8, 172.20.0.0/14, fe80::/64, 10.0.0.0/8, 172.31.0.0/16
-Endpoint = {far_side.endpoint}:{far_side.port}
 	'''
+	if str(far_side.port) != '0':
+		out += f'''
+Endpoint = {far_side.endpoint}:{far_side.port}
+		'''
+	return out