+out:
+ argv[argc] = NULL;
+ return true;
+}
+
+static int
+proto_shell_run_command(struct proto_shell_state *state, struct blob_attr **tb)
+{
+ static char *argv[64];
+ static char *env[32];
+
+ if (!tb[NOTIFY_COMMAND])
+ goto error;
+
+ if (!fill_string_list(tb[NOTIFY_COMMAND], argv, ARRAY_SIZE(argv)))
+ goto error;
+
+ if (!fill_string_list(tb[NOTIFY_ENV], env, ARRAY_SIZE(env)))
+ goto error;
+
+ netifd_start_process((const char **) argv, (char **) env, &state->proto_task);
+
+ return 0;
+
+error:
+ return UBUS_STATUS_INVALID_ARGUMENT;
+}
+
+static int
+proto_shell_kill_command(struct proto_shell_state *state, struct blob_attr **tb)
+{
+ unsigned int signal = ~0;
+
+ if (tb[NOTIFY_SIGNAL])
+ signal = blobmsg_get_u32(tb[NOTIFY_SIGNAL]);
+
+ if (signal > 31)
+ signal = SIGTERM;
+
+ if (state->proto_task.uloop.pending) {
+ state->proto_task_killed = true;
+ kill(state->proto_task.uloop.pid, signal);
+ }
+
+ return 0;
+}
+
+static int
+proto_shell_notify_error(struct proto_shell_state *state, struct blob_attr **tb)
+{
+ struct blob_attr *cur;
+ char *data[16];
+ int n_data = 0;
+ int rem;
+
+ if (!tb[NOTIFY_ERROR])
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ blobmsg_for_each_attr(cur, tb[NOTIFY_ERROR], rem) {
+ if (n_data + 1 == ARRAY_SIZE(data))
+ goto error;
+
+ if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
+ goto error;
+
+ if (!blobmsg_check_attr(cur, NULL))
+ goto error;
+
+ data[n_data++] = blobmsg_data(cur);
+ }
+
+ if (!n_data)
+ goto error;
+
+ interface_add_error(state->proto.iface, state->handler->proto.name,
+ data[0], (const char **) &data[1], n_data - 1);