From f7ac9bf93cc07755d15a7ab65d17dc66b8fcea80 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 13 May 2012 15:49:25 +0200
Subject: [PATCH] split applying static proto setting from handler settings

---
 proto-static.c |  2 +-
 proto.c        | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++
 proto.h        |  1 +
 3 files changed, 69 insertions(+), 1 deletion(-)

diff --git a/proto-static.c b/proto-static.c
index 86f2f20..833b6b8 100644
--- a/proto-static.c
+++ b/proto-static.c
@@ -33,7 +33,7 @@ struct static_proto_state {
 static bool
 static_proto_setup(struct static_proto_state *state)
 {
-	return proto_apply_ip_settings(state->proto.iface, state->config, false) == 0;
+	return proto_apply_static_ip_settings(state->proto.iface, state->config) == 0;
 }
 
 static int
diff --git a/proto.c b/proto.c
index d41e796..a395187 100644
--- a/proto.c
+++ b/proto.c
@@ -202,6 +202,73 @@ parse_gateway_option(struct interface *iface, struct blob_attr *attr, bool v6)
 	return true;
 }
 
+int
+proto_apply_static_ip_settings(struct interface *iface, struct blob_attr *attr)
+{
+	struct blob_attr *tb[__OPT_MAX];
+	struct blob_attr *cur;
+	const char *error;
+	unsigned int netmask = 32;
+	int n_v4 = 0, n_v6 = 0;
+	struct in_addr bcast = {};
+
+	blobmsg_parse(proto_ip_attributes, __OPT_MAX, tb, blob_data(attr), blob_len(attr));
+
+	if ((cur = tb[OPT_NETMASK])) {
+		netmask = parse_netmask_string(blobmsg_data(cur), false);
+		if (netmask > 32) {
+			error = "INVALID_NETMASK";
+			goto error;
+		}
+	}
+
+	if ((cur = tb[OPT_BROADCAST])) {
+		if (!inet_pton(AF_INET, blobmsg_data(cur), &bcast)) {
+			error = "INVALID_BROADCAST";
+			goto error;
+		}
+	}
+
+	if ((cur = tb[OPT_IPADDR]))
+		n_v4 = parse_address_option(iface, cur, false,
+			netmask, false, bcast.s_addr);
+
+	if ((cur = tb[OPT_IP6ADDR]))
+		n_v6 = parse_address_option(iface, cur, true,
+			netmask, false, 0);
+
+	if (!n_v4 && !n_v6) {
+		error = "NO_ADDRESS";
+		goto error;
+	}
+
+	if (n_v4 < 0 || n_v6 < 0)
+		goto out;
+
+	if ((cur = tb[OPT_GATEWAY])) {
+		if (n_v4 && !parse_gateway_option(iface, cur, false))
+			goto out;
+	}
+
+	if ((cur = tb[OPT_IP6GW])) {
+		if (n_v6 && !parse_gateway_option(iface, cur, true))
+			goto out;
+	}
+
+	if ((cur = tb[OPT_DNS]))
+		interface_add_dns_server_list(&iface->proto_ip, cur);
+
+	if ((cur = tb[OPT_DNS_SEARCH]))
+		interface_add_dns_search_list(&iface->proto_ip, cur);
+
+	return 0;
+
+error:
+	interface_add_error(iface, "proto", error, NULL, 0);
+out:
+	return -1;
+}
+
 int
 proto_apply_ip_settings(struct interface *iface, struct blob_attr *attr, bool ext)
 {
diff --git a/proto.h b/proto.h
index e86a8a3..12653cd 100644
--- a/proto.h
+++ b/proto.h
@@ -70,6 +70,7 @@ int interface_proto_event(struct interface_proto_state *proto,
 			  enum interface_proto_cmd cmd, bool force);
 
 unsigned int parse_netmask_string(const char *str, bool v6);
+int proto_apply_static_ip_settings(struct interface *iface, struct blob_attr *attr);
 int proto_apply_ip_settings(struct interface *iface, struct blob_attr *attr, bool ext);
 
 
-- 
2.25.1