1 // Copyright 2022 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef CONTRIB_ZSTD_SANDBOXED_H_ 16 #define CONTRIB_ZSTD_SANDBOXED_H_ 17 18 #include <libgen.h> 19 #include <syscall.h> 20 21 #include <memory> 22 23 #include "sapi_zstd.sapi.h" // NOLINT(build/include) 24 25 class ZstdSapiSandbox : public ZstdSandbox { 26 public: ModifyPolicy(sandbox2::PolicyBuilder *)27 std::unique_ptr<sandbox2::Policy> ModifyPolicy( 28 sandbox2::PolicyBuilder*) override { 29 return sandbox2::PolicyBuilder() 30 .AllowDynamicStartup() 31 .AllowRead() 32 .AllowWrite() 33 .AllowSystemMalloc() 34 .AllowExit() 35 .AllowSyscalls({__NR_recvmsg}) 36 .BuildOrDie(); 37 } 38 }; 39 40 #endif // CONTRIB_ZSTD_SANDBOXED_H_ 41