From 4426a1e749526a70c891d8bffe845be694481330 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Tue, 5 Jan 2010 05:29:32 -0800
Subject: Split gateway and host route setting in two separate functions

---
 src/connection.c |  2 ++
 src/inet.c       | 80 +++++++++++++++++++++++++++++++++++++-------------------
 2 files changed, 55 insertions(+), 27 deletions(-)

(limited to 'src')

diff --git a/src/connection.c b/src/connection.c
index 902bef41..51eed8f5 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -352,6 +352,8 @@ static void set_default_gateway(struct gateway_data *data)
 		goto done;
 	}
 
+	connman_inet_set_host_route(element->index, data->gateway);
+
 	if (connman_inet_set_gateway_address(element->index, data->gateway) < 0)
 		return;
 
diff --git a/src/inet.c b/src/inet.c
index d82d41dd..06ee60cf 100644
--- a/src/inet.c
+++ b/src/inet.c
@@ -620,15 +620,13 @@ int connman_inet_clear_address(int index)
 	return 0;
 }
 
-int connman_inet_set_gateway_interface(int index)
+int connman_inet_set_host_route(int index, const char *host)
 {
 	struct ifreq ifr;
 	struct rtentry rt;
 	struct sockaddr_in addr;
 	int sk, err;
 
-	DBG("");
-
 	sk = socket(PF_INET, SOCK_DGRAM, 0);
 	if (sk < 0)
 		return -1;
@@ -644,25 +642,30 @@ int connman_inet_set_gateway_interface(int index)
 	DBG("ifname %s", ifr.ifr_name);
 
 	memset(&rt, 0, sizeof(rt));
+	rt.rt_flags = RTF_UP | RTF_HOST;
 
-	rt.rt_dev = ifr.ifr_name;
-
-	rt.rt_flags = RTF_UP;
+	memset(&addr, 0, sizeof(addr));
+	addr.sin_family = AF_INET;
+	addr.sin_addr.s_addr = inet_addr(host);
+	memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
 
 	memset(&addr, 0, sizeof(addr));
 	addr.sin_family = AF_INET;
 	addr.sin_addr.s_addr = INADDR_ANY;
+	memcpy(&rt.rt_gateway, &addr, sizeof(rt.rt_gateway));
 
+	memset(&addr, 0, sizeof(addr));
+	addr.sin_family = AF_INET;
+	addr.sin_addr.s_addr = INADDR_ANY;
 	memcpy(&rt.rt_genmask, &addr, sizeof(rt.rt_genmask));
 
-	memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
-
-	memcpy(&rt.rt_gateway, &addr, sizeof(rt.rt_gateway));
+	rt.rt_dev = ifr.ifr_name;
 
 	err = ioctl(sk, SIOCADDRT, &rt);
 	if (err < 0)
-		connman_error("Setting interface as default route failed (%s)",
+		connman_error("Setting host route failed (%s)",
 							strerror(errno));
+
 	close(sk);
 
 	return err;
@@ -690,16 +693,16 @@ int connman_inet_set_gateway_address(int index, const char *gateway)
 	DBG("ifname %s", ifr.ifr_name);
 
 	memset(&rt, 0, sizeof(rt));
-	rt.rt_flags = RTF_UP | RTF_HOST;
+	rt.rt_flags = RTF_UP | RTF_GATEWAY;
 
 	memset(&addr, 0, sizeof(addr));
 	addr.sin_family = AF_INET;
-	addr.sin_addr.s_addr = inet_addr(gateway);
+	addr.sin_addr.s_addr = INADDR_ANY;
 	memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
 
 	memset(&addr, 0, sizeof(addr));
 	addr.sin_family = AF_INET;
-	addr.sin_addr.s_addr = INADDR_ANY;
+	addr.sin_addr.s_addr = inet_addr(gateway);
 	memcpy(&rt.rt_gateway, &addr, sizeof(rt.rt_gateway));
 
 	memset(&addr, 0, sizeof(addr));
@@ -707,36 +710,59 @@ int connman_inet_set_gateway_address(int index, const char *gateway)
 	addr.sin_addr.s_addr = INADDR_ANY;
 	memcpy(&rt.rt_genmask, &addr, sizeof(rt.rt_genmask));
 
-	rt.rt_dev = ifr.ifr_name;
-
 	err = ioctl(sk, SIOCADDRT, &rt);
 	if (err < 0)
-		connman_error("Setting host gateway route failed (%s)",
+		connman_error("Setting default gateway route failed (%s)",
 							strerror(errno));
 
+	close(sk);
+
+	return err;
+}
+
+int connman_inet_set_gateway_interface(int index)
+{
+	struct ifreq ifr;
+	struct rtentry rt;
+	struct sockaddr_in addr;
+	int sk, err;
+
+	DBG("");
+
+	sk = socket(PF_INET, SOCK_DGRAM, 0);
+	if (sk < 0)
+		return -1;
+
+	memset(&ifr, 0, sizeof(ifr));
+	ifr.ifr_ifindex = index;
+
+	if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
+		close(sk);
+		return -1;
+	}
+
+	DBG("ifname %s", ifr.ifr_name);
+
 	memset(&rt, 0, sizeof(rt));
-	rt.rt_flags = RTF_UP | RTF_GATEWAY;
 
-	memset(&addr, 0, sizeof(addr));
-	addr.sin_family = AF_INET;
-	addr.sin_addr.s_addr = INADDR_ANY;
-	memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
+	rt.rt_dev = ifr.ifr_name;
 
-	memset(&addr, 0, sizeof(addr));
-	addr.sin_family = AF_INET;
-	addr.sin_addr.s_addr = inet_addr(gateway);
-	memcpy(&rt.rt_gateway, &addr, sizeof(rt.rt_gateway));
+	rt.rt_flags = RTF_UP;
 
 	memset(&addr, 0, sizeof(addr));
 	addr.sin_family = AF_INET;
 	addr.sin_addr.s_addr = INADDR_ANY;
+
 	memcpy(&rt.rt_genmask, &addr, sizeof(rt.rt_genmask));
 
+	memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
+
+	memcpy(&rt.rt_gateway, &addr, sizeof(rt.rt_gateway));
+
 	err = ioctl(sk, SIOCADDRT, &rt);
 	if (err < 0)
-		connman_error("Setting default route failed (%s)",
+		connman_error("Setting default interface route failed (%s)",
 							strerror(errno));
-
 	close(sk);
 
 	return err;
-- 
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