From 2ac630138173e111e16b9c544d9da53f3af97f2e Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Thu, 13 Oct 2011 15:03:29 +0200
Subject: [PATCH] proto-shell: add dns server support

---
 dummy/netifd-proto.sh | 7 +++++++
 dummy/proto/ppp.sh    | 1 +
 interface-ip.c        | 2 ++
 proto-shell.c         | 5 +++++
 4 files changed, 15 insertions(+)

diff --git a/dummy/netifd-proto.sh b/dummy/netifd-proto.sh
index c50d776..ae05b9c 100755
--- a/dummy/netifd-proto.sh
+++ b/dummy/netifd-proto.sh
@@ -53,6 +53,12 @@ proto_init_update() {
 	[ -n "$3" ] && json_add_boolean "address-external" "$external"
 }
 
+proto_add_dns_server() {
+	local address="$1"
+
+	jshn_append PROTO_DNS "$address"
+}
+
 proto_add_ipv4_address() {
 	local address="$1"
 	local mask="$2"
@@ -125,6 +131,7 @@ proto_send_update() {
 	_proto_push_array "ip6addr" "$PROTO_IP6ADDR" _proto_push_ip
 	_proto_push_array "route" "$PROTO_ROUTE" _proto_push_route
 	_proto_push_array "route6" "$PROTO_ROUTE6" _proto_push_route
+	_proto_push_array "dns" "$PROTO_DNS" _proto_push_ip
 	_proto_notify
 }
 
diff --git a/dummy/proto/ppp.sh b/dummy/proto/ppp.sh
index 13c4ebb..e7b9839 100755
--- a/dummy/proto/ppp.sh
+++ b/dummy/proto/ppp.sh
@@ -38,6 +38,7 @@ pppoe_setup() {
 	echo "pppoe_setup($1, $2), username=$username, password=$password"
 	proto_init_update ppp0 1
 	proto_add_ipv4_address "192.168.2.1" 32
+	proto_add_dns_server "192.168.2.2"
 	proto_send_update "$1"
 	proto_run_command sleep 10
 }
diff --git a/interface-ip.c b/interface-ip.c
index c0a1bb9..8dae80d 100644
--- a/interface-ip.c
+++ b/interface-ip.c
@@ -97,6 +97,8 @@ interface_add_dns_server(struct interface *iface, const char *str)
 	return;
 
 add:
+	D(INTERFACE, "Add IPv%c DNS server: %s\n",
+	  s->af == AF_INET6 ? '6' : '4', str);
 	list_add_tail(&s->list, &iface->proto_dns_servers);
 }
 
diff --git a/proto-shell.c b/proto-shell.c
index 32a3016..3ed4b8e 100644
--- a/proto-shell.c
+++ b/proto-shell.c
@@ -303,6 +303,7 @@ enum {
 	NOTIFY_IP6ADDR,
 	NOTIFY_ROUTES,
 	NOTIFY_ROUTES6,
+	NOTIFY_DNS,
 	__NOTIFY_LAST
 };
 
@@ -316,6 +317,7 @@ static const struct blobmsg_policy notify_attr[__NOTIFY_LAST] = {
 	[NOTIFY_IP6ADDR] = { .name = "ip6addr", .type = BLOBMSG_TYPE_ARRAY },
 	[NOTIFY_ROUTES] = { .name = "routes", .type = BLOBMSG_TYPE_ARRAY },
 	[NOTIFY_ROUTES6] = { .name = "routes6", .type = BLOBMSG_TYPE_ARRAY },
+	[NOTIFY_DNS] = { .name = "dns", .type = BLOBMSG_TYPE_ARRAY },
 };
 
 static int
@@ -359,6 +361,9 @@ proto_shell_update_link(struct proto_shell_state *state, struct blob_attr **tb)
 	if ((cur = tb[NOTIFY_ROUTES6]) != NULL)
 		proto_shell_parse_route_list(state->proto.iface, cur, true);
 
+	if ((cur = tb[NOTIFY_DNS]) != NULL)
+		interface_add_dns_server_list(state->proto.iface, cur);
+
 	return 0;
 }
 
-- 
2.11.0