added ipv6 socket support

1 files changed, 11 insertions, 2 deletions

diff --git a/pcap-linux.c b/pcap-linux.c
index 9b126a3a..0444d574 100644
--- a/pcap-linux.c
+++ b/pcap-linux.c
@@ -1412,8 +1412,7 @@ get_if_ioctl_socket(void)
 	 * kernels without IPv4 support.
 	 *
 	 * AF_INET6 will work *if* you have IPv6 configured into the
-	 * kernel, but if you don't have AF_INET, you might not have
-	 * AF_INET6, either.
+	 * kernel.
 	 *
 	 * AF_PACKET would work, except that some of these calls should
 	 * work even if you *don't* have capture permission (you should be
@@ -1440,6 +1439,8 @@ get_if_ioctl_socket(void)
 	 * likely to be configured out on a networking-capable system
 	 * than is IP;
 	 *
+	 * if that fails, we try an AF_INET6 socket;
+	 *
 	 * if that fails, we try an AF_INET socket.
 	 */
 	fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
@@ -1482,6 +1483,14 @@ get_if_ioctl_socket(void)
 	}
 
 	/*
+	 * Now try an AF_INET6 socket.
+	 */
+	fd = socket(AF_INET6, SOCK_DGRAM, 0);
+	if (fd != -1) {
+		return (fd);
+	}
+
+	/*
 	 * Now try an AF_INET socket.
 	 *
 	 * XXX - if that fails, is there anything else we should try?