netifd-proto.sh: execute proto_add_host_dependency() actions in subshell to retain...

diff --git a/dummy/netifd-proto.sh b/dummy/netifd-proto.sh
index 365c433..297e904 100755 (executable)
--- a/dummy/netifd-proto.sh
+++ b/dummy/netifd-proto.sh
@@ -290,10 +290,14 @@ proto_add_host_dependency() {
        local interface="$1"
        local host="$2"
 
-       json_init
-       json_add_int action 6
-       json_add_string host "$host"
-       _proto_notify "$interface" -S
+       # execute in subshell to not taint callers env
+       # see tickets #11046, #11545, #11570
+       (
+               json_init
+               json_add_int action 6
+               json_add_string host "$host"
+               _proto_notify "$interface" -S
+       )
 }
 
 proto_setup_failed() {