From: Samuel Ortiz <sameo@linux.intel.com>
Date: Sat, 13 Nov 2010 23:13:51 +0000 (+0100)
Subject: tethering: Flush POSTROUTING table when needed
X-Git-Tag: 0.64~41
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fd055d3137297e8da486a0787f5a94fcd99f58d1;p=platform%2Fupstream%2Fconnman.git

tethering: Flush POSTROUTING table when needed
---

diff --git a/src/tethering.c b/src/tethering.c
index 35b407d..ad159a1 100644
--- a/src/tethering.c
+++ b/src/tethering.c
@@ -113,7 +113,11 @@ static int enable_nat(const char *interface)
 	if (err < 0)
 		return err;
 
-	/* TODO: Flush nat POSTROUTING chain */
+	/* POSTROUTING flush */
+	err = __connman_iptables_command("-t nat -F POSTROUTING");
+	if (err < 0)
+		return err;
+
 	/* Enable masquerading */
 	err = __connman_iptables_command("-t nat -A POSTROUTING "
 					"-o %s -j MASQUERADE", interface);
@@ -125,10 +129,17 @@ static int enable_nat(const char *interface)
 
 static void disable_nat(const char *interface)
 {
+	int err;
+
 	/* Disable IPv4 forwarding */
 	enable_ip_forward(FALSE);
 
-	/* TODO: Flush nat POSTROUTING chain */
+	/* POSTROUTING flush */
+	err = __connman_iptables_command("-t nat -F POSTROUTING");
+	if (err < 0)
+		return;
+
+	__connman_iptables_commit("nat");
 }
 
 void __connman_tethering_set_enabled(void)