From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Thu, 21 Apr 2022 08:48:09 +0000 (+0300)
Subject: lib: net - Set port only with known address families in sin_set_port()
X-Git-Tag: 2.4.0~4113
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=950d9ecbb238b0fe9100378b72beda0c7fc14f92;p=thirdparty%2Fdovecot%2Fcore.git

lib: net - Set port only with known address families in sin_set_port()
---

diff --git a/src/lib/net.c b/src/lib/net.c
index d960d81fa1..93c7495975 100644
--- a/src/lib/net.c
+++ b/src/lib/net.c
@@ -166,8 +166,10 @@ static inline void sin_set_port(union sockaddr_union *so, in_port_t port)
 {
 	if (so->sin.sin_family == AF_INET6)
                 so->sin6.sin6_port = htons(port);
-	else
+	else if (so->sin.sin_family == AF_INET)
 		so->sin.sin_port = htons(port);
+	else
+		i_unreached();
 }
 
 static inline in_port_t sin_get_port(const union sockaddr_union *so)