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// Copyright (c) 2006, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Disable exception handler warnings.
#pragma warning(disable : 4530)
#include <errno.h>
#include "windows/sender/crash_report_sender.h"
#include "common/windows/http_upload.h"
#if _MSC_VER < 1400 // MSVC 2005/8
// Older MSVC doesn't have fscanf_s, but they are compatible as long as
// we don't use the string conversions (%s/%c/%S/%C).
# define fscanf_s fscanf
#endif
namespace google_breakpad {
static const char kCheckpointSignature[] = "GBP1\n";
CrashReportSender::CrashReportSender(const wstring& checkpoint_file)
: checkpoint_file_(checkpoint_file),
max_reports_per_day_(-1),
last_sent_date_(-1),
reports_sent_(0) {
FILE* fd;
if (OpenCheckpointFile(L"r", &fd) == 0) {
ReadCheckpoint(fd);
fclose(fd);
}
}
ReportResult CrashReportSender::SendCrashReport(
const wstring& url, const string& parameters,
const map<wstring, wstring>& files, wstring* report_code) {
int today = GetCurrentDate();
if (today == last_sent_date_ && max_reports_per_day_ != -1 &&
reports_sent_ >= max_reports_per_day_) {
return RESULT_THROTTLED;
}
int http_response = 0;
bool result = HTTPUpload::SendMultipartPostRequest(
url, parameters, files, NULL, report_code,
&http_response);
if (result) {
ReportSent(today);
return RESULT_SUCCEEDED;
} else if (http_response >= 400 && http_response < 500) {
return RESULT_REJECTED;
} else {
return RESULT_FAILED;
}
}
void CrashReportSender::ReadCheckpoint(FILE* fd) {
char buf[128];
if (!fgets(buf, sizeof(buf), fd) || strcmp(buf, kCheckpointSignature) != 0) {
return;
}
if (fscanf_s(fd, "%d\n", &last_sent_date_) != 1) {
last_sent_date_ = -1;
return;
}
if (fscanf_s(fd, "%d\n", &reports_sent_) != 1) {
reports_sent_ = 0;
return;
}
}
void CrashReportSender::ReportSent(int today) {
// Update the report stats
if (today != last_sent_date_) {
last_sent_date_ = today;
reports_sent_ = 0;
}
++reports_sent_;
// Update the checkpoint file
FILE* fd;
if (OpenCheckpointFile(L"w", &fd) == 0) {
fputs(kCheckpointSignature, fd);
fprintf(fd, "%d\n", last_sent_date_);
fprintf(fd, "%d\n", reports_sent_);
fclose(fd);
}
}
int CrashReportSender::GetCurrentDate() const {
SYSTEMTIME system_time;
GetSystemTime(&system_time);
return (system_time.wYear * 10000) + (system_time.wMonth * 100) +
system_time.wDay;
}
int CrashReportSender::OpenCheckpointFile(const wchar_t* mode, FILE** fd) {
if (checkpoint_file_.empty()) {
return ENOENT;
}
#if _MSC_VER >= 1400 // MSVC 2005/8
return _wfopen_s(fd, checkpoint_file_.c_str(), mode);
#else
*fd = _wfopen(checkpoint_file_.c_str(), mode);
if (*fd == NULL) {
return errno;
}
return 0;
#endif
}
} // namespace google_breakpad