1*ec63e07aSXin Li // Copyright 2019 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 SANDBOXED_API_SANDBOX2_FORKINGCLIENT_H_ 16*ec63e07aSXin Li #define SANDBOXED_API_SANDBOX2_FORKINGCLIENT_H_ 17*ec63e07aSXin Li 18*ec63e07aSXin Li #include <sys/types.h> 19*ec63e07aSXin Li #include <memory> 20*ec63e07aSXin Li 21*ec63e07aSXin Li #include "sandboxed_api/sandbox2/client.h" 22*ec63e07aSXin Li #include "sandboxed_api/sandbox2/comms.h" 23*ec63e07aSXin Li #include "sandboxed_api/sandbox2/forkserver.h" 24*ec63e07aSXin Li 25*ec63e07aSXin Li namespace sandbox2 { 26*ec63e07aSXin Li 27*ec63e07aSXin Li class ForkingClient : public Client { 28*ec63e07aSXin Li public: ForkingClient(Comms * comms)29*ec63e07aSXin Li explicit ForkingClient(Comms* comms) : Client(comms) {} 30*ec63e07aSXin Li 31*ec63e07aSXin Li // Forks the current process (if asked by the Executor in the parent process), 32*ec63e07aSXin Li // and returns the newly created PID to this Executor. This is used if the 33*ec63e07aSXin Li // current Client objects acts as a wrapper of ForkServer (and this process 34*ec63e07aSXin Li // was created to act as a ForkServer). 35*ec63e07aSXin Li // Return values specified as with 'fork' (incl. -1). 36*ec63e07aSXin Li pid_t WaitAndFork(); 37*ec63e07aSXin Li 38*ec63e07aSXin Li private: 39*ec63e07aSXin Li // ForkServer object, which is used only if the current process is meant 40*ec63e07aSXin Li // to behave like a Fork-Server, i.e. to create a new process which will be 41*ec63e07aSXin Li // later sandboxed (with SandboxMeHere()). 42*ec63e07aSXin Li std::unique_ptr<ForkServer> fork_server_worker_; 43*ec63e07aSXin Li }; 44*ec63e07aSXin Li 45*ec63e07aSXin Li } // namespace sandbox2 46*ec63e07aSXin Li 47*ec63e07aSXin Li #endif // SANDBOXED_API_SANDBOX2_FORKINGCLIENT_H_ 48