From a41cbeee3cf660663a9baac80545050a8d960898 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Tue, 28 Mar 2017 18:09:58 -0700
Subject: [PATCH 2/2] user ipv6 structures

Signed-off-by: Khem Raj <raj.khem@gmail.com>

Update for ipv6 address compare
Signed-off-by: Changqing Li <changqing.li@windriver.com>
---
 l2tp_api.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/l2tp_api.c b/l2tp_api.c
index 9d6f60a..f0946fd 100644
--- a/l2tp_api.c
+++ b/l2tp_api.c
@@ -450,10 +450,12 @@ int l2tp_api_rpc_check_request(SVCXPRT *xprt)
 	 * non-loopback interface, reject the request.
 	 */
 	if ((!l2tp_opt_remote_rpc) &&
-	    ((xprt->xp_raddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK)) &&
-	     (xprt->xp_raddr.sin_addr.s_addr != htonl(INADDR_ANY)))) {
+	    ((memcmp(&xprt->xp_raddr.sin6_addr, &in6addr_loopback, sizeof(struct in6_addr)) != 0) &&
+	     (memcmp(&xprt->xp_raddr.sin6_addr, &in6addr_any, sizeof(struct in6_addr)) != 0))) {
+		char straddr[INET6_ADDRSTRLEN];
+		inet_ntop(AF_INET6, &xprt->xp_raddr.sin6_addr, straddr, sizeof(straddr));
 		if (l2tp_opt_trace_flags & L2TP_DEBUG_API) {
-			l2tp_log(LOG_ERR, "Rejecting RPC request from %s", inet_ntoa(xprt->xp_raddr.sin_addr));
+			l2tp_log(LOG_ERR, "Rejecting RPC request from %s", straddr);
 		}
 		svcerr_auth(xprt, AUTH_TOOWEAK);
 		return -EPERM;
-- 
2.12.1