mirror of
https://github.com/chromium/crashpad.git
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71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
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// 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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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 = 5;
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while (tries > 0) {
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HANDLE pipe = 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 == INVALID_HANDLE_VALUE) {
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Sleep(10);
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--tries;
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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, &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,
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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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PLOG(ERROR) << "TransactNamedPipe";
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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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LOG(ERROR) << "failed to connect after retrying";
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return false;
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}
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} // namespace crashpad
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