48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
// Copyright 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SANDBOXED_API_SANDBOX2_FORKINGCLIENT_H_
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#define SANDBOXED_API_SANDBOX2_FORKINGCLIENT_H_
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#include <sys/types.h>
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#include <memory>
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#include "sandboxed_api/sandbox2/client.h"
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#include "sandboxed_api/sandbox2/comms.h"
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#include "sandboxed_api/sandbox2/forkserver.h"
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namespace sandbox2 {
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class ForkingClient : public Client {
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public:
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explicit ForkingClient(Comms* comms) : Client(comms) {}
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// Forks the current process (if asked by the Executor in the parent process),
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// and returns the newly created PID to this Executor. This is used if the
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// current Client objects acts as a wrapper of ForkServer (and this process
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// was created to act as a ForkServer).
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// Return values specified as with 'fork' (incl. -1).
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pid_t WaitAndFork();
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private:
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// ForkServer object, which is used only if the current process is meant
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// to behave like a Fork-Server, i.e. to create a new process which will be
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// later sandboxed (with SandboxMeHere()).
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std::unique_ptr<ForkServer> fork_server_worker_;
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};
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} // namespace sandbox2
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#endif // SANDBOXED_API_SANDBOX2_FORKINGCLIENT_H_
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