1*ec63e07aSXin Li // Copyright 2022 Google LLC 2*ec63e07aSXin Li // 3*ec63e07aSXin Li // Licensed under the Apache License, Version 2.0 (the "License"); 4*ec63e07aSXin Li // you may not use this file except in compliance with the License. 5*ec63e07aSXin Li // You may obtain a copy of the License at 6*ec63e07aSXin Li // 7*ec63e07aSXin Li // https://www.apache.org/licenses/LICENSE-2.0 8*ec63e07aSXin Li // 9*ec63e07aSXin Li // Unless required by applicable law or agreed to in writing, software 10*ec63e07aSXin Li // distributed under the License is distributed on an "AS IS" BASIS, 11*ec63e07aSXin Li // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*ec63e07aSXin Li // See the License for the specific language governing permissions and 13*ec63e07aSXin Li // limitations under the License. 14*ec63e07aSXin Li 15*ec63e07aSXin Li #ifndef CONTRIB_LIBRAW_SANDBOXED_H_ 16*ec63e07aSXin Li #define CONTRIB_LIBRAW_SANDBOXED_H_ 17*ec63e07aSXin Li 18*ec63e07aSXin Li #include <libgen.h> 19*ec63e07aSXin Li #include <syscall.h> 20*ec63e07aSXin Li 21*ec63e07aSXin Li #include <memory> 22*ec63e07aSXin Li #include <string> 23*ec63e07aSXin Li 24*ec63e07aSXin Li #include "sapi_libraw.sapi.h" // NOLINT(build/include) 25*ec63e07aSXin Li 26*ec63e07aSXin Li class LibRawSapiSandbox : public LibRawSandbox { 27*ec63e07aSXin Li public: LibRawSapiSandbox(std::string file_name)28*ec63e07aSXin Li explicit LibRawSapiSandbox(std::string file_name) 29*ec63e07aSXin Li : file_name_(std::move(file_name)) {} 30*ec63e07aSXin Li 31*ec63e07aSXin Li private: ModifyPolicy(sandbox2::PolicyBuilder *)32*ec63e07aSXin Li std::unique_ptr<sandbox2::Policy> ModifyPolicy( 33*ec63e07aSXin Li sandbox2::PolicyBuilder*) override { 34*ec63e07aSXin Li return sandbox2::PolicyBuilder() 35*ec63e07aSXin Li .AllowDynamicStartup() 36*ec63e07aSXin Li .AllowOpen() 37*ec63e07aSXin Li .AllowRead() 38*ec63e07aSXin Li .AllowWrite() 39*ec63e07aSXin Li .AllowSystemMalloc() 40*ec63e07aSXin Li .AllowExit() 41*ec63e07aSXin Li .AllowSyscalls({__NR_recvmsg}) 42*ec63e07aSXin Li .AddFile(file_name_, /*is_ro=*/true) 43*ec63e07aSXin Li .BuildOrDie(); 44*ec63e07aSXin Li } 45*ec63e07aSXin Li 46*ec63e07aSXin Li std::string file_name_; 47*ec63e07aSXin Li }; 48*ec63e07aSXin Li 49*ec63e07aSXin Li #endif // CONTRIB_LIBRAW_SANDBOXED_H_ 50