123 lines
4.3 KiB
C++
123 lines
4.3 KiB
C++
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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/process/kill.h"
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#include <algorithm>
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#include <windows.h>
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#include <io.h>
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#include <stdint.h>
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#include "base/logging.h"
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#include "base/macros.h"
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#include "base/process/memory.h"
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#include "base/process/process_iterator.h"
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namespace base {
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TerminationStatus GetTerminationStatus(ProcessHandle handle, int* exit_code) {
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DCHECK(exit_code);
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DWORD tmp_exit_code = 0;
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if (!::GetExitCodeProcess(handle, &tmp_exit_code)) {
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DPLOG(FATAL) << "GetExitCodeProcess() failed";
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// This really is a random number. We haven't received any
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// information about the exit code, presumably because this
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// process doesn't have permission to get the exit code, or
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// because of some other cause for GetExitCodeProcess to fail
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// (MSDN docs don't give the possible failure error codes for
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// this function, so it could be anything). But we don't want
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// to leave exit_code uninitialized, since that could cause
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// random interpretations of the exit code. So we assume it
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// terminated "normally" in this case.
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*exit_code = win::kNormalTerminationExitCode;
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// Assume the child has exited normally if we can't get the exit
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// code.
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return TERMINATION_STATUS_NORMAL_TERMINATION;
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}
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if (tmp_exit_code == STILL_ACTIVE) {
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DWORD wait_result = WaitForSingleObject(handle, 0);
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if (wait_result == WAIT_TIMEOUT) {
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*exit_code = wait_result;
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return TERMINATION_STATUS_STILL_RUNNING;
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}
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if (wait_result == WAIT_FAILED) {
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DPLOG(ERROR) << "WaitForSingleObject() failed";
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} else {
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DCHECK_EQ(WAIT_OBJECT_0, wait_result);
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// Strange, the process used 0x103 (STILL_ACTIVE) as exit code.
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NOTREACHED();
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}
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return TERMINATION_STATUS_ABNORMAL_TERMINATION;
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}
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*exit_code = tmp_exit_code;
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// clang-format off
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switch (tmp_exit_code) {
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case win::kNormalTerminationExitCode:
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return TERMINATION_STATUS_NORMAL_TERMINATION;
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case win::kDebuggerInactiveExitCode: // STATUS_DEBUGGER_INACTIVE.
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case win::kKeyboardInterruptExitCode: // Control-C/end session.
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case win::kDebuggerTerminatedExitCode: // Debugger terminated process.
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case win::kProcessKilledExitCode: // Task manager kill.
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return TERMINATION_STATUS_PROCESS_WAS_KILLED;
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case win::kSandboxFatalMemoryExceeded: // Terminated process due to
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// exceeding the sandbox job
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// object memory limits.
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case win::kOomExceptionCode: // Ran out of memory.
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return TERMINATION_STATUS_OOM;
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// This exit code means the process failed an OS integrity check.
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// This is tested in ProcessMitigationsTest.* in sandbox.
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case win::kStatusInvalidImageHashExitCode:
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return TERMINATION_STATUS_INTEGRITY_FAILURE;
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default:
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// All other exit codes indicate crashes.
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return TERMINATION_STATUS_PROCESS_CRASHED;
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}
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// clang-format on
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}
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bool WaitForProcessesToExit(const FilePath::StringType& executable_name,
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TimeDelta wait,
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const ProcessFilter* filter) {
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bool result = true;
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DWORD start_time = GetTickCount();
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NamedProcessIterator iter(executable_name, filter);
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for (const ProcessEntry* entry = iter.NextProcessEntry(); entry;
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entry = iter.NextProcessEntry()) {
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DWORD remaining_wait = static_cast<DWORD>(
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std::max(static_cast<int64_t>(0),
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wait.InMilliseconds() - (GetTickCount() - start_time)));
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HANDLE process = OpenProcess(SYNCHRONIZE,
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FALSE,
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entry->th32ProcessID);
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DWORD wait_result = WaitForSingleObject(process, remaining_wait);
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CloseHandle(process);
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result &= (wait_result == WAIT_OBJECT_0);
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}
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return result;
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}
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bool CleanupProcesses(const FilePath::StringType& executable_name,
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TimeDelta wait,
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int exit_code,
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const ProcessFilter* filter) {
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if (WaitForProcessesToExit(executable_name, wait, filter))
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return true;
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KillProcesses(executable_name, exit_code, filter);
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return false;
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}
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} // namespace base
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