X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FDaemon.pm;h=48051f488b6c5bbd08408c291794cc9a041a9c86;hb=c539d9df124a66f07edbae2bc51177a0f756cc95;hp=6d2ae81bc1694dcc3c9fbf1ae2cbf7b249c3153d;hpb=9427c808130255911dd3e4eee99b6f2c1cc42066;p=public-inbox.git

diff --git a/lib/PublicInbox/Daemon.pm b/lib/PublicInbox/Daemon.pm
index 6d2ae81b..48051f48 100644
--- a/lib/PublicInbox/Daemon.pm
+++ b/lib/PublicInbox/Daemon.pm
@@ -234,6 +234,28 @@ sub sockname ($) {
 	"$host:$port";
 }
 
+sub unpack_ipv6 ($) {
+	my ($addr) = @_;
+	my ($port, $host);
+
+	# Socket.pm in Perl 5.14+ supports IPv6:
+	eval {
+		($port, $host) = Socket::unpack_sockaddr_in6($addr);
+		$host = Socket::inet_ntop(Socket::AF_INET6(), $host);
+	};
+
+	if ($@) {
+		# Perl 5.12 or earlier?  SpamAssassin and Net::Server use
+		# Socket6, so it may be installed on our system, already
+		# (otherwise die here):
+		require Socket6;
+
+		($port, $host) = Socket6::unpack_sockaddr_in6($addr);
+		$host = Socket6::inet_ntop(Socket6::AF_INET6(), $host);
+	}
+	($host, $port);
+}
+
 sub host_with_port ($) {
 	my ($addr) = @_;
 	my ($port, $host);
@@ -241,9 +263,7 @@ sub host_with_port ($) {
 	# this eval will die on Unix sockets:
 	eval {
 		if (length($addr) >= 28) {
-			require Socket6;
-			($port, $host) = Socket6::unpack_sockaddr_in6($addr);
-			$host = Socket6::inet_ntop(Socket6::AF_INET6(), $host);
+			($host, $port) = unpack_ipv6($addr);
 			$host = "[$host]";
 		} else {
 			($port, $host) = Socket::sockaddr_in($addr);