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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/files/file_path.h"
#include "base/memory/ptr_util.h"
#include "base/process/process.h"
#include "base/strings/string_number_conversions.h"
#include "build/build_config.h"
#include "ipc/ipc_channel_proxy.h"
#include "tools/ipc_fuzzer/message_lib/message_file.h"
#if BUILDFLAG(IS_WIN)
#define PidToStringType base::NumberToWString
#define MESSAGE_DUMP_EXPORT __declspec(dllexport)
#else
#define PidToStringType base::NumberToString
#define MESSAGE_DUMP_EXPORT __attribute__((visibility("default")))
#endif
namespace ipc_fuzzer {
class IPCDump : public IPC::ChannelProxy::OutgoingMessageFilter {
public:
~IPCDump() {
base::FilePath::StringType pid_string =
PidToStringType(base::Process::Current().Pid());
base::FilePath output_file_path =
dump_directory().Append(pid_string + FILE_PATH_LITERAL(".ipcdump"));
MessageFile::Write(output_file_path, messages_);
}
IPC::Message* Rewrite(IPC::Message* message) override {
messages_.push_back(std::make_unique<IPC::Message>(*message));
return message;
}
base::FilePath dump_directory() const { return dump_directory_; }
void set_dump_directory(const base::FilePath& dump_directory) {
dump_directory_ = dump_directory;
}
private:
MessageVector messages_;
base::FilePath dump_directory_;
};
IPCDump g_ipcdump;
} // namespace ipc_fuzzer
// Entry point avoiding mangled names.
extern "C" {
MESSAGE_DUMP_EXPORT IPC::ChannelProxy::OutgoingMessageFilter* GetFilter(void);
MESSAGE_DUMP_EXPORT void SetDumpDirectory(const base::FilePath& dump_directory);
}
IPC::ChannelProxy::OutgoingMessageFilter* GetFilter(void) {
return &ipc_fuzzer::g_ipcdump;
}
void SetDumpDirectory(const base::FilePath& dump_directory) {
ipc_fuzzer::g_ipcdump.set_dump_directory(dump_directory);
}
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