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ff274507dc
This is better because now end_to_end_test.py fails immediately with [1180:9020:20151106,145204.830:ERROR registration_protocol_win.cc:39] CreateFile: The system cannot find the file specified. (0x2) R=mark@chromium.org BUG=crashpad:75 Review URL: https://codereview.chromium.org/1409693011 .
81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
// Copyright 2015 The Crashpad Authors. 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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#include "util/win/registration_protocol_win.h"
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#include <windows.h>
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#include "base/logging.h"
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#include "util/win/scoped_handle.h"
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namespace crashpad {
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bool SendToCrashHandlerServer(const base::string16& pipe_name,
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const crashpad::ClientToServerMessage& message,
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crashpad::ServerToClientMessage* response) {
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int tries = 0;
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for (;;) {
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ScopedFileHANDLE pipe(
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CreateFile(pipe_name.c_str(),
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GENERIC_READ | GENERIC_WRITE,
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0,
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nullptr,
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OPEN_EXISTING,
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SECURITY_SQOS_PRESENT | SECURITY_IDENTIFICATION,
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nullptr));
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if (!pipe.is_valid()) {
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if (++tries == 5 || GetLastError() != ERROR_PIPE_BUSY) {
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PLOG(ERROR) << "CreateFile";
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return false;
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}
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if (!WaitNamedPipe(pipe_name.c_str(), 1000) &&
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GetLastError() != ERROR_SEM_TIMEOUT) {
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PLOG(ERROR) << "WaitNamedPipe";
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return false;
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}
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continue;
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}
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DWORD mode = PIPE_READMODE_MESSAGE;
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if (!SetNamedPipeHandleState(pipe.get(), &mode, nullptr, nullptr)) {
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PLOG(ERROR) << "SetNamedPipeHandleState";
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return false;
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}
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DWORD bytes_read = 0;
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BOOL result = TransactNamedPipe(
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pipe.get(),
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// This is [in], but is incorrectly declared non-const.
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const_cast<crashpad::ClientToServerMessage*>(&message),
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sizeof(message),
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response,
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sizeof(*response),
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&bytes_read,
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nullptr);
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if (!result) {
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LOG(ERROR) << "TransactNamedPipe: expected " << sizeof(*response)
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<< ", observed " << bytes_read;
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return false;
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}
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if (bytes_read != sizeof(*response)) {
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LOG(ERROR) << "TransactNamedPipe read incorrect number of bytes";
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return false;
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}
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return true;
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}
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}
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} // namespace crashpad
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