From c166c07a93d5a95532f1175ede1c6827b94e8f8b Mon Sep 17 00:00:00 2001
From: Simon Kelley <simon@thekelleys.org.uk>
Date: Wed, 6 Oct 2021 23:48:06 +0100
Subject: Support IDN in --auth-zone.

---
 src/option.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/option.c b/src/option.c
index dc1efd3..1355745 100644
--- a/src/option.c
+++ b/src/option.c
@@ -2227,8 +2227,10 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
 	comma = split(arg);
 		
 	new = opt_malloc(sizeof(struct auth_zone));
-	new->domain = opt_string_alloc(arg);
-	new->subnet = NULL;
+	new->domain = canonicalise_opt(arg);
+	if (!new->domain)
+	  ret_err_free(_("invalid auth-zone"), new);
+ 	new->subnet = NULL;
 	new->exclude = NULL;
 	new->interface_names = NULL;
 	new->next = daemon->auth_zones;
-- 
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