mirror of
https://github.com/google/sandboxed-api.git
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72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
// Copyright 2019 Google LLC. All Rights Reserved.
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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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// http://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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// The sandbox2::Namespace class defines ways of inserting the sandboxed process
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// into Linux namespaces.
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#ifndef SANDBOXED_API_SANDBOX2_NAMESPACE_H_
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#define SANDBOXED_API_SANDBOX2_NAMESPACE_H_
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#include <sys/types.h>
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#include <cstdint>
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#include <memory>
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#include <string>
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#include "absl/base/macros.h"
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#include "sandboxed_api/sandbox2/mounts.h"
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#include "sandboxed_api/sandbox2/violation.pb.h"
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namespace sandbox2 {
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class Namespace final {
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public:
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// Performs the namespace setup (mounts, write the uid_map, etc.).
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static void InitializeNamespaces(uid_t uid, gid_t gid, int32_t clone_flags,
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const Mounts& mounts, bool mount_proc,
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const std::string& hostname);
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Namespace() = delete;
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Namespace(const Namespace&) = delete;
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Namespace& operator=(const Namespace&) = delete;
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Namespace(bool allow_unrestricted_networking, Mounts mounts,
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std::string hostname);
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void DisableUserNamespace();
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// Returns all needed CLONE_NEW* flags.
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int32_t GetCloneFlags() const;
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// Stores information about this namespace in the protobuf structure.
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void GetNamespaceDescription(NamespaceDescription* pb_description);
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Mounts& mounts() { return mounts_; }
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const Mounts& mounts() const { return mounts_; }
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const std::string& hostname() const { return hostname_; }
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const std::string& GetHostname() const { return hostname_; }
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private:
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friend class StackTracePeer;
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int32_t clone_flags_;
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Mounts mounts_;
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std::string hostname_;
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};
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} // namespace sandbox2
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#endif // SANDBOXED_API_SANDBOX2_NAMESPACE_H_
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