1 /*
2  * Copyright (C) 2024 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "host/commands/process_sandboxer/policies.h"
18 
19 #include <syscall.h>
20 
21 #include <sandboxed_api/sandbox2/allow_unrestricted_networking.h>
22 #include <sandboxed_api/sandbox2/policybuilder.h>
23 
24 namespace cuttlefish::process_sandboxer {
25 
MetricsPolicy(const HostInfo & host)26 sandbox2::PolicyBuilder MetricsPolicy(const HostInfo& host) {
27   return BaselinePolicy(host, host.HostToolExe("metrics"))
28       .AddDirectory(host.log_dir, /* is_ro= */ false)
29       .AddFile(host.cuttlefish_config_path)
30       .Allow(sandbox2::UnrestrictedNetworking())
31       .AllowSafeFcntl()
32       .AllowSyscall(__NR_clone)  // Multithreading
33       // TODO: b/367481626 - Switch `metrics` from System V IPC to another
34       // mechanism that is easier to share in isolation with another sandbox.
35       .AllowSyscall(__NR_msgget)
36       .AllowSyscall(__NR_msgrcv)
37       .AllowTCGETS();
38 }
39 
40 }  // namespace cuttlefish::process_sandboxer
41