From 0fc6656c80446189ba8dc13eeef52863ef6b3b91 Mon Sep 17 00:00:00 2001
From: Joachim Wiberg <troglobit@gmail.com>
Date: Tue, 27 Aug 2024 13:35:03 +0200
Subject: [PATCH] Fix #90: add support for IPv6 addresses in listen directive

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
---
 src/syslogd.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/syslogd.c b/src/syslogd.c
index 811868d..1954109 100644
--- a/src/syslogd.c
+++ b/src/syslogd.c
@@ -3016,8 +3016,26 @@ static void init(void)
 static void cflisten(char *ptr, void *arg)
 {
 	char *peer = ptr;
+	char *p;
+
+	while (*peer && isspace(*peer))
+		++peer;
+
+	logit("cflisten[%s]\n", peer);
+
+	p = peer;
+	if (*p == '[') {
+		p++;
+
+		p = strchr(p, ']');
+		if (!p) {
+			ERR("Invalid IPv6 address in listen '%s', missing ']'", peer);
+			return;
+		}
+		*p++ = 0;
+	}
 
-	ptr = strchr(peer, ':');
+	ptr = strchr(p, ':');
 	if (ptr)
 		*ptr++ = 0;
 	addpeer(&(struct peer) {