From cb69b6e875c961b5a0d1be5a734bea1ec03a976d Mon Sep 17 00:00:00 2001
From: Viacheslav <v.gletenko@vyos.io>
Date: Sat, 15 Jan 2022 14:38:21 +0000
Subject: wireguard: T4183: Allow setting ipv6 link local addres for peer

Allow setting ipv6-link-local addresses as peer address for
wireguard interfaces
Add validator "ipv6-link-local"
---
 interface-definitions/interfaces-wireguard.xml.in |  1 +
 src/validators/ipv6-link-local                    | 12 ++++++++++++
 2 files changed, 13 insertions(+)
 create mode 100755 src/validators/ipv6-link-local

diff --git a/interface-definitions/interfaces-wireguard.xml.in b/interface-definitions/interfaces-wireguard.xml.in
index 73328c16a..54f4233c2 100644
--- a/interface-definitions/interfaces-wireguard.xml.in
+++ b/interface-definitions/interfaces-wireguard.xml.in
@@ -99,6 +99,7 @@
                   </valueHelp>
                   <constraint>
                     <validator name="ip-address"/>
+                    <validator name="ipv6-link-local"/>
                   </constraint>
                 </properties>
               </leafNode>
diff --git a/src/validators/ipv6-link-local b/src/validators/ipv6-link-local
new file mode 100755
index 000000000..05e693b77
--- /dev/null
+++ b/src/validators/ipv6-link-local
@@ -0,0 +1,12 @@
+#!/usr/bin/python3
+
+import sys
+from vyos.validate import is_ipv6_link_local
+
+if __name__ == '__main__':
+    if len(sys.argv)>1:
+        addr = sys.argv[1]
+        if not is_ipv6_link_local(addr):
+            sys.exit(1)
+
+    sys.exit(0)
-- 
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