bool Channel::CreatePipe(const IPC::ChannelHandle &channel_handle) {
assert(INVALID_HANDLE_VALUE == pipe_);
std::wstring pipe_name;
// If we already have a valid pipe for channel just copy it.
if (channel_handle.pipe.handle) {
assert(channel_handle.name.empty());
pipe_name = L"Not Available"; // Just used for LOG
// Check that the given pipe confirms to the specified mode. We can
// only check for PIPE_TYPE_MESSAGE & PIPE_SERVER_END flags since the
// other flags (PIPE_TYPE_BYTE, and PIPE_CLIENT_END) are defined as 0.
DWORD flags = 0;
GetNamedPipeInfo(channel_handle.pipe.handle, &flags, NULL, NULL, NULL);
assert(!(flags & PIPE_TYPE_MESSAGE));
if (!DuplicateHandle(GetCurrentProcess(),
channel_handle.pipe.handle,
GetCurrentProcess(),
&pipe_,
0,
FALSE,
DUPLICATE_SAME_ACCESS)) {
//LOG(WARNING) << "DuplicateHandle failed. Error :" << GetLastError();
return false;
}
} else {
assert(!channel_handle.pipe.handle);
pipe_name = PipeName(channel_handle.name, &client_secret_);
//Ïȳ¢ÊÔ´´½¨
const DWORD open_mode = PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED |
FILE_FLAG_FIRST_PIPE_INSTANCE;
validate_client_ = !!client_secret_;
pipe_ = CreateNamedPipeW(pipe_name.c_str(),
open_mode,
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE,
1,
kReadBufferSize,
kReadBufferSize,
5000,
NULL);
if (pipe_ == INVALID_HANDLE_VALUE)
{
pipe_ = CreateFileW(pipe_name.c_str(),
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
OPEN_EXISTING,
SECURITY_SQOS_PRESENT | SECURITY_IDENTIFICATION |
FILE_FLAG_OVERLAPPED,
NULL);
waiting_connect_ = false;
}
}
if (pipe_ == INVALID_HANDLE_VALUE) {
// If this process is being closed, the pipe may be gone already.
//LOG(WARNING) << "Unable to create pipe \"" << pipe_name <<
// "\" in " << (mode & MODE_SERVER_FLAG ? "server" : "client")
// << " mode. Error :" << GetLastError();
return false;
}
// Create the Hello message to be sent when Connect is called
Message* m = new Message(MSG_ROUTING_NONE,
HELLO_MESSAGE_TYPE,
IPC::Message::PRIORITY_NORMAL);
m->AddRef();
// Don't send the secret to the untrusted process, and don't send a secret
// if the value is zero (for IPC backwards compatability).
int32 secret = validate_client_ ? 0 : client_secret_;
if (!m->WriteInt(GetCurrentProcessId()) ||
(secret && !m->WriteUInt32(secret))) {
CloseHandle(pipe_);
pipe_ = INVALID_HANDLE_VALUE;
m->Release();
return false;
}
output_queue_.push(m);
return true;
}
// static
bool Channel::IsNamedServerInitialized(
const std::string& channel_id) {
if (WaitNamedPipe(PipeName(channel_id, NULL).c_str(), 1))
return true;
// If ERROR_SEM_TIMEOUT occurred, the pipe exists but is handling another
// connection.
return GetLastError() == ERROR_SEM_TIMEOUT;
}
UINT PollIPCMessage(LPVOID param)
{
HANDLE hPipe = CreateNamedPipe(PipeName(PIPENAME_IPC64).GetName(), PIPE_ACCESS_DUPLEX, PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE, 1, 512, 512, 0, NULL);
if (hPipe == INVALID_HANDLE_VALUE) {
#ifdef DEBUG_IPC
CUtils::Log(_T("PollIPCMessage: CreateNamedPipe failed. (%d)"), GetLastError());
#endif
return 1;
}
for (; ;) {
if (ConnectNamedPipe(hPipe, NULL) ? FALSE : (GetLastError() != ERROR_PIPE_CONNECTED)) {
#ifdef DEBUG_IPC
CUtils::Log(_T("PollIPCMessage: ConnectNamedPipe failed. (%d)"), GetLastError());
#endif
break;
}
DWORD msg;
DWORD read;
if (!ReadFile(hPipe, &msg, sizeof(msg), &read, NULL) || read != sizeof(msg)) {
#ifdef DEBUG_IPC
CUtils::Log(_T("PollIPCMessage: ReadFile failed. (%d)"), GetLastError());
#endif
break;
}
switch (msg)
{
case IPC64_EXIT:
goto exit;
break;
case IPC64_RELOAD:
if (CXkeymacsDll::LoadConfig())
CXkeymacsDll::ResetHooks();
break;
case IPC64_DISABLE:
CXkeymacsDll::SetHookStateDirect(false);
break;
case IPC64_ENABLE:
CXkeymacsDll::SetHookStateDirect(true);
break;
}
SendAck(hPipe);
}
exit:
CloseHandle(hPipe);
CXkeymacsDll::ReleaseHooks();
reinterpret_cast<CMainFrame *>(param)->SendMessage(WM_CLOSE);
return 0;
}
void CProfile::SetDllData()
{
memcpy(m_Config.FuncDefs, FuncDefs::GetDefs(), sizeof(m_Config.FuncDefs));
for (int nAppID = 0; nAppID < MAX_APP; ++nAppID) {
AppConfig& appConfig = m_Config.AppConfig[nAppID];
appConfig.CmdID[CONTROL]['X'] = 0; // C-x is unassigned.
for (int nType = 0; nType < MAX_COMMAND_TYPE; ++nType)
for (int nKey = 0; nKey < MAX_KEY; ++nKey)
if ((nType & CONTROLX) && (appConfig.CmdID[nType][nKey] || appConfig.FuncID[nType][nKey] >= 0))
appConfig.CmdID[CONTROL]['X'] = 1; // C-x is available.
}
m_Config.Is106Keyboard = Is106Keyboard();
_tcscpy_s(m_Config.PipeNameForIPC32, PipeName(PIPENAME_IPC32).GetName());
CXkeymacsDll::SetConfig(m_Config);
if (!CXkeymacsApp::IsWow64())
return;
if (!CXkeymacsDll::SaveConfig())
return;
CXkeymacsApp::SendIPC64Message(IPC64_RELOAD);
}