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3a95d9df41
Due to a naming mixup in `oss-internship-2020/curl/CMakeLists.txt`, the necessary `WriteToMemory()` callback was not linked into the sandboxee, leading to a segfault in the sandboxee when trying to run the tests/examples. As another issue, cURL seems to call `sysinfo` and `rt_sigaction` in recent versions and with recent libc. Drive-by changes: - Use the SAPI status macros instead of manually checking `absl::Status` - Put tests in namespace - Some Google C++-style fixes - Start the mock test server only once per test suite Fixes #72 for cURL. Signed-off-by: Christian Blichmann <cblichmann@google.com>
73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
// Copyright 2020 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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// 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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#ifndef SANDBOX_H_
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#define SANDBOX_H_
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#include <linux/futex.h>
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#include <sys/mman.h> // For mmap arguments
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#include <syscall.h>
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#include <cstdlib>
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#include "curl_sapi.sapi.h" // NOLINT(build/include)
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#include "sandboxed_api/sandbox2/util/bpf_helper.h"
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namespace curl {
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class CurlSapiSandbox : public curl::CurlSandbox {
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protected:
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std::unique_ptr<sandbox2::Policy> ModifyPolicy(
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sandbox2::PolicyBuilder* policy_builder) override {
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// Return a new policy
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return sandbox2::PolicyBuilder()
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.AllowDynamicStartup()
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.AllowExit()
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.AllowFork()
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.AllowFutexOp(FUTEX_WAKE_PRIVATE)
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.AllowMmap()
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.AllowOpen()
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.AllowRead()
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.AllowSafeFcntl()
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.AllowWrite()
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.AllowAccess()
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.AllowSyscalls({
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__NR_accept,
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__NR_bind,
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__NR_connect,
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__NR_getpeername,
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__NR_getsockname,
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__NR_getsockopt,
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__NR_ioctl,
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__NR_listen,
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__NR_madvise,
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__NR_poll,
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__NR_recvfrom,
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__NR_recvmsg,
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__NR_rt_sigaction,
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__NR_sendmmsg,
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__NR_sendto,
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__NR_setsockopt,
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__NR_socket,
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__NR_sysinfo,
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})
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.AllowUnrestrictedNetworking()
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.BuildOrDie();
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}
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};
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} // namespace curl
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#endif // SANDBOX_H_
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