proto-shell: allow protocol handlers to add interface error messages and block interface restart

2 files changed, 26 insertions, 0 deletions

diff --git a/dummy/netifd-proto.sh b/dummy/netifd-proto.sh
index 3ab69d8..c27d562 100755
--- a/dummy/netifd-proto.sh
+++ b/dummy/netifd-proto.sh
@@ -182,6 +182,28 @@ proto_kill_command() {
 	_proto_notify "$interface"
 }
 
+proto_notify_error() {
+	local interface="$1"; shift
+
+	json_init
+	json_add_int action 3
+	json_add_array error
+	while [ $# -gt 0 ]; do
+		json_add_string "" "$1"
+		shift
+	done
+	json_close_array
+	_proto_notify "$interface"
+}
+
+proto_block_restart() {
+	local interface="$1"; shift
+
+	json_init
+	json_add_int action 4
+	_proto_notify "$interface"
+}
+
 init_proto() {
 	proto="$1"; shift
 	cmd="$1"; shift
diff --git a/dummy/proto/ppp.sh b/dummy/proto/ppp.sh
index f78933c..6f5dfcc 100755
--- a/dummy/proto/ppp.sh
+++ b/dummy/proto/ppp.sh
@@ -47,6 +47,10 @@ pppoe_setup() {
 }
 
 pppoe_teardown() {
+	[ "$ERROR" = 9 ] && {
+		proto_notify_error "$interface" PROCESS_KILLED
+		proto_block_restart "$interface"
+	}
 	proto_kill_command "$interface"
 	return
 }