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52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
// Copyright 2022 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 CONTRIB_LIBZIP_SANDBOXED_H_
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#define CONTRIB_LIBZIP_SANDBOXED_H_
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#include <libgen.h>
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#include <syscall.h>
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#include <memory>
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// Note: This header is required because of the bug in generator. The generator
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// for some reason doesn't catch the types defined by zip (for example
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// zip_uint32_t).
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#include <zipconf.h> // NOLINT(build/include_order)
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#include "sapi_zip.sapi.h" // NOLINT(build/include)
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class ZipSapiSandbox : public ZipSandbox {
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public:
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std::unique_ptr<sandbox2::Policy> ModifyPolicy(
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sandbox2::PolicyBuilder*) override {
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return sandbox2::PolicyBuilder()
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.AllowDynamicStartup()
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.AllowRead()
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.AllowWrite()
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.AllowSystemMalloc()
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.AllowExit()
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.AllowSafeFcntl()
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.AllowSyscalls({
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__NR_dup,
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__NR_recvmsg,
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__NR_ftruncate,
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})
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.BlockSyscallWithErrno(__NR_openat, ENOENT)
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.BuildOrDie();
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}
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};
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#endif // CONTRIB_LIBZIP_SANDBOXED_H_
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