Add control configs

Also plumber the controls through runsc

PiperOrigin-RevId: 391594318

2 files changed, 47 insertions, 1 deletions

diff --git a/pkg/sentry/control/BUILD b/pkg/sentry/control/BUILD
index a4934a565..cfb33a398 100644
--- a/pkg/sentry/control/BUILD
+++ b/pkg/sentry/control/BUILD
@@ -1,7 +1,13 @@
-load("//tools:defs.bzl", "go_library", "go_test")
+load("//tools:defs.bzl", "go_library", "go_test", "proto_library")
 
 package(licenses = ["notice"])
 
+proto_library(
+    name = "control",
+    srcs = ["control.proto"],
+    visibility = ["//visibility:public"],
+)
+
 go_library(
     name = "control",
     srcs = [
diff --git a/pkg/sentry/control/control.proto b/pkg/sentry/control/control.proto
new file mode 100644
index 000000000..72dda3fbc
--- /dev/null
+++ b/pkg/sentry/control/control.proto
@@ -0,0 +1,40 @@
+// Copyright 2021 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package gvisor;
+
+// ControlConfig configures the permission of controls.
+message ControlConfig {
+  // Names for individual control URPC service objects.
+  // Any new service object that should be given conditional access should be
+  // named here and conditionally added based on presence in allowed_controls.
+  enum Endpoint {
+    UNKNOWN = 0;
+    EVENTS = 1;
+    FS = 2;
+    LIFECYCLE = 3;
+    LOGGING = 4;
+    PROFILE = 5;
+    USAGE = 6;
+    PROC = 7;
+    STATE = 8;
+    DEBUG = 9;
+  }
+
+  // allowed_controls represents which endpoints may be registered to the
+  // server.
+  repeated Endpoint allowed_controls = 1;
+}