From 86bd75b926d6a297c8c01a8ae7a03c943c0de68c Mon Sep 17 00:00:00 2001
From: ppom <reaction@ppom.me>
Date: Mon, 4 Mar 2024 12:00:00 +0100
Subject: [PATCH] nft46: recognize ipv6-mapped ipv4

closes #81
---
 helpers_c/nft46.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/helpers_c/nft46.c b/helpers_c/nft46.c
index 1df7c15..fc84aa0 100644
--- a/helpers_c/nft46.c
+++ b/helpers_c/nft46.c
@@ -38,7 +38,7 @@ int isIPv6(char *tab, int len) {
 	}
 	// Each char must be a digit, :, a-f, or A-F
 	for (i=0; i<len; i++) {
-		if (!isdigit(tab[i]) && tab[i] != ':' && !(tab[i] >= 'a' && tab[i] <= 'f') && !(tab[i] >= 'A' && tab[i] <= 'F')) {
+		if (!isdigit(tab[i]) && tab[i] != ':' && tab[i] != '.' && !(tab[i] >= 'a' && tab[i] <= 'f') && !(tab[i] >= 'A' && tab[i] <= 'F')) {
 			return 0;
 		}
 	}