X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=system-linux.c;h=e1343a500c0d5007d2e8269282e5d5bb0fe44f5b;hp=66799e97fb9efe82a99bc7c4328367646adeccfc;hb=67b225a9c0d38989028763de5c07164f0bfee504;hpb=a63479ad899e089ffd8edf76b35391313b98bc17

diff --git a/system-linux.c b/system-linux.c
index 66799e9..e1343a5 100644
--- a/system-linux.c
+++ b/system-linux.c
@@ -1,3 +1,16 @@
+/*
+ * netifd - network interface daemon
+ * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
 #define _GNU_SOURCE
 
 #include <sys/socket.h>
@@ -141,7 +154,7 @@ static void system_set_sysctl(const char *path, const char *val)
 
 static void system_set_dev_sysctl(const char *path, const char *device, const char *val)
 {
-	snprintf(dev_buf, sizeof(dev_buf), path, val);
+	snprintf(dev_buf, sizeof(dev_buf), path, device);
 	system_set_sysctl(dev_buf, val);
 }
 
@@ -222,6 +235,9 @@ found:
 	if (dev->type != &simple_device_type)
 		return;
 
+	if (add && system_if_force_external(dev->ifname))
+		return;
+
 	device_set_present(dev, add);
 }
 
@@ -243,10 +259,15 @@ handle_hotplug_event(struct uloop_fd *u, unsigned int events)
 
 static int system_rtnl_call(struct nl_msg *msg)
 {
-	int s = -(nl_send_auto_complete(sock_rtnl, msg)
-			|| nl_wait_for_ack(sock_rtnl));
+	int ret;
+
+	ret = nl_send_auto_complete(sock_rtnl, msg);
 	nlmsg_free(msg);
-	return s;
+
+	if (ret < 0)
+		return ret;
+
+	return nl_wait_for_ack(sock_rtnl);
 }
 
 int system_bridge_delbr(struct device *bridge)
@@ -257,6 +278,8 @@ int system_bridge_delbr(struct device *bridge)
 static int system_bridge_if(const char *bridge, struct device *dev, int cmd, void *data)
 {
 	struct ifreq ifr;
+
+	memset(&ifr, 0, sizeof(ifr));
 	if (dev)
 		ifr.ifr_ifindex = dev->ifindex;
 	else
@@ -332,6 +355,8 @@ static int system_if_resolve(struct device *dev)
 static int system_if_flags(const char *ifname, unsigned add, unsigned rem)
 {
 	struct ifreq ifr;
+
+	memset(&ifr, 0, sizeof(ifr));
 	strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
 	ioctl(sock_ioctl, SIOCGIFFLAGS, &ifr);
 	ifr.ifr_flags |= add;
@@ -607,7 +632,7 @@ system_if_get_settings(struct device *dev, struct device_settings *s)
 	}
 }
 
-static void
+void
 system_if_apply_settings(struct device *dev, struct device_settings *s)
 {
 	struct ifreq ifr;
@@ -624,7 +649,7 @@ system_if_apply_settings(struct device *dev, struct device_settings *s)
 		if (ioctl(sock_ioctl, SIOCSIFTXQLEN, &ifr) < 0)
 			s->flags &= ~DEV_OPT_TXQUEUELEN;
 	}
-	if (s->flags & DEV_OPT_MACADDR) {
+	if ((s->flags & DEV_OPT_MACADDR) && !dev->external) {
 		ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
 		memcpy(&ifr.ifr_hwaddr.sa_data, s->macaddr, sizeof(s->macaddr));
 		if (ioctl(sock_ioctl, SIOCSIFHWADDR, &ifr) < 0)
@@ -751,6 +776,16 @@ static void system_add_link_modes(struct blob_buf *b, __u32 mask)
 	}
 }
 
+bool
+system_if_force_external(const char *ifname)
+{
+	char buf[64];
+	struct stat s;
+
+	snprintf(buf, sizeof(buf), "/sys/class/net/%s/phy80211", ifname);
+	return stat(buf, &s) == 0;
+}
+
 int
 system_if_dump_info(struct device *dev, struct blob_buf *b)
 {
@@ -839,8 +874,12 @@ static int system_addr(struct device *dev, struct device_addr *addr, int cmd)
 
 	nlmsg_append(msg, &ifa, sizeof(ifa), 0);
 	nla_put(msg, IFA_LOCAL, alen, &addr->addr);
-	if (v4)
-		nla_put_u32(msg, IFA_BROADCAST, addr->broadcast);
+	if (v4) {
+		if (addr->broadcast)
+			nla_put_u32(msg, IFA_BROADCAST, addr->broadcast);
+		if (addr->point_to_point)
+			nla_put_u32(msg, IFA_ADDRESS, addr->point_to_point);
+	}
 
 	return system_rtnl_call(msg);
 }
@@ -877,7 +916,7 @@ static int system_rt(struct device *dev, struct device_route *route, int cmd)
 		.rtm_family = (alen == 4) ? AF_INET : AF_INET6,
 		.rtm_dst_len = route->mask,
 		.rtm_table = RT_TABLE_MAIN,
-		.rtm_protocol = RTPROT_BOOT,
+		.rtm_protocol = (route->flags & DEVADDR_KERNEL) ? RTPROT_KERNEL : RTPROT_STATIC,
 		.rtm_scope = scope,
 		.rtm_type = (cmd == RTM_DELROUTE) ? 0: RTN_UNICAST,
 	};
@@ -994,7 +1033,7 @@ int system_add_ip_tunnel(const char *name, struct blob_attr *attr)
 	struct blob_attr *cur;
 	struct ip_tunnel_parm p;
 	const char *base, *str;
-	int cmd = SIOCADDTUNNEL;
+	bool is_sit;
 
 	system_del_ip_tunnel(name);
 
@@ -1003,12 +1042,12 @@ int system_add_ip_tunnel(const char *name, struct blob_attr *attr)
 	blobmsg_parse(tunnel_attr_list.params, __TUNNEL_ATTR_MAX, tb,
 		blob_data(attr), blob_len(attr));
 
-	cur = tb[TUNNEL_ATTR_TYPE];
-	if (!cur)
+	if (!(cur = tb[TUNNEL_ATTR_TYPE]))
 		return -EINVAL;
-
 	str = blobmsg_data(cur);
-	if (!strcmp(str, "sit")) {
+	is_sit = !strcmp(str, "sit");
+
+	if (is_sit) {
 		p.iph.protocol = IPPROTO_IPV6;
 		base = "sit0";
 	} else
@@ -1030,5 +1069,35 @@ int system_add_ip_tunnel(const char *name, struct blob_attr *attr)
 	}
 
 	strncpy(p.name, name, sizeof(p.name));
-	return tunnel_ioctl(base, cmd, &p);
+	if (tunnel_ioctl(base, SIOCADDTUNNEL, &p) < 0)
+		return -1;
+
+#ifdef SIOCADD6RD
+	cur = tb[TUNNEL_ATTR_6RD_PREFIX];
+	if (cur && is_sit) {
+		unsigned int mask;
+		struct ip_tunnel_6rd p6;
+
+		memset(&p6, 0, sizeof(p6));
+
+		if (!parse_ip_and_netmask(AF_INET6, blobmsg_data(cur),
+					&p6.prefix, &mask) || mask > 128)
+			return -EINVAL;
+		p6.prefixlen = mask;
+
+		if ((cur = tb[TUNNEL_ATTR_6RD_RELAY_PREFIX])) {
+			if (!parse_ip_and_netmask(AF_INET, blobmsg_data(cur),
+						&p6.relay_prefix, &mask) || mask > 32)
+				return -EINVAL;
+			p6.relay_prefixlen = mask;
+		}
+
+		if (tunnel_ioctl(name, SIOCADD6RD, &p6) < 0) {
+			system_del_ip_tunnel(name);
+			return -1;
+		}
+	}
+#endif
+
+	return 0;
 }