From e81b09176dcd2164f858bbce7d3bed922d7edc3f Mon Sep 17 00:00:00 2001
From: Dirk Wetter <dirk@testssl.sh>
Date: Tue, 25 Mar 2025 19:42:54 +0100
Subject: [PATCH] Distunguish between LibreSSL and OpenSSL IPv6 proxy

Somehow the proxy now shows only IPv6 source addresses when specifying
--proxy=IPV6ADDRESS:PORT
---
 testssl.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/testssl.sh b/testssl.sh
index 0ca9a5b..7603a9a 100755
--- a/testssl.sh
+++ b/testssl.sh
@@ -21966,12 +21966,16 @@ check_proxy() {
           PROXYNODE="${PROXY%:*}"
           is_number "$PROXYPORT" || fatal "Proxy port cannot be determined from \"$PROXY\"" $ERR_CMDLINE
 
-          #FIXME: finish this with IPv6 proxy support, see #1105.
+          #FIXME: finish IPv6 proxy support, see #1105.
           if is_ipv4addr "$PROXYNODE"; then
                PROXYIP="$PROXYNODE"
           elif is_ipv6addr "$PROXYNODE"; then
                # Maybe an option like --proxy6 is better for purists
-               PROXYIP="[$PROXYNODE]"
+               if [[ "$OSSL_NAME" =~ LibreSSL ]]; then
+                    PROXYIP="$PROXYNODE"
+               else
+                    PROXYIP="[$PROXYNODE]"
+               fi
           else
                # We check now preferred whether there was an IPv4 proxy via DNS specified
                # If it fails it could be an IPv6 only proxy via DNS or we just can't reach the proxy