From e2f8f77adfd6ee4e31c0770f6ef37c12f54abb5d Mon Sep 17 00:00:00 2001
From: pokamest <pokamest@gmail.com>
Date: Wed, 16 Jun 2021 20:09:49 +0300
Subject: [PATCH] Revert "Added threads suspend, Edited suspendWcmSvc() func
 for Windows. Based on old SuspendProcess func."

This reverts commit 999087337e19d5567ce65705948a2b400f65973b.
---
 service/server/router_win.cpp | 57 ++---------------------------------
 service/server/router_win.h   |  2 --
 2 files changed, 2 insertions(+), 57 deletions(-)

diff --git a/service/server/router_win.cpp b/service/server/router_win.cpp
index 0d3c1d35..d242821e 100644
--- a/service/server/router_win.cpp
+++ b/service/server/router_win.cpp
@@ -297,7 +297,7 @@ void RouterWin::suspendWcmSvc(bool suspend)
     DWORD wcmSvcPid = GetServicePid(std::wstring(L"wcmSvc").c_str());
 
     //ListProcessThreads(wcmSvcPid);
-    BOOL ok = StopProcessThreads(suspend, wcmSvcPid);
+    BOOL ok = SuspendProcess(suspend, wcmSvcPid);
     if (ok) {
         m_suspended = suspend;
     }
@@ -305,6 +305,7 @@ void RouterWin::suspendWcmSvc(bool suspend)
     qDebug() << "RouterWin::routeAddList" <<
                 (ok ? "succeed to" : "failed to") <<
                 (suspend ? "suspend wcmSvc" : "resume wcmSvc");
+
 }
 
 DWORD RouterWin::GetServicePid(LPCWSTR serviceName)
@@ -372,50 +373,6 @@ BOOL RouterWin::ListProcessThreads( DWORD dwOwnerPID )
   return( TRUE );
 }
 
-BOOL RouterWin::StopProcessThreads(BOOL fSuspend, DWORD dwOwnerPID )
-{
-  HANDLE hThreadSnap = INVALID_HANDLE_VALUE;
-  THREADENTRY32 te32;
-
-  //THREAD_INFORMATION_CLASS need check
-
-  // Take a snapshot of current process
-  hThreadSnap = CreateToolhelp32Snapshot( TH32CS_SNAPTHREAD, GetCurrentProcessId() );
-  if( hThreadSnap == INVALID_HANDLE_VALUE )
-    return( FALSE );
-
-  // Fill in the size of the structure before using it.
-  te32.dwSize = sizeof(THREADENTRY32);
-
-  // Retrieve information about the first thread,
-  // and exit if unsuccessful
-  if( !Thread32First( hThreadSnap, &te32 ) )
-  {
-    CloseHandle( hThreadSnap );          // clean the snapshot object
-    return( FALSE );
-  }
-
-  do
-  {
-    if( te32.th32OwnerProcessID == dwOwnerPID )
-    {
-        HANDLE threadHandle = OpenThread (PROCESS_QUERY_INFORMATION, FALSE, te32.th32ThreadID);
-        qDebug() << "Owner: "<< te32.th32OwnerProcessID << "OpenThread "
-                 << te32.th32ThreadID << " GetLastError: " << GetLastError() << " handle: " << threadHandle;
-        ULONG64 cycles = 0;
-        BOOL ok = QueryThreadCycleTime(threadHandle, &cycles);
-        qDebug() << "QueryThreadCycleTime GetLastError:" << ok << GetLastError();
-
-        qDebug() << "Thread cycles:" << te32.th32ThreadID << cycles;
-        SuspendThread(fSuspend, te32.th32ThreadID);
-        CloseHandle(threadHandle);
-    }
-  } while( Thread32Next(hThreadSnap, &te32 ) );
-
-  CloseHandle( hThreadSnap );
-  return( TRUE );
-}
-
 BOOL RouterWin::EnableDebugPrivilege(VOID)
 {
   HANDLE           hToken = NULL;
@@ -465,13 +422,3 @@ BOOL RouterWin::SuspendProcess(BOOL fSuspend, DWORD dwProcessId)
     return ok;
 }
 
-BOOL RouterWin::SuspendThread(BOOL fSuspend, DWORD dwThreadId)
-{
-    HANDLE pHandle = OpenThread(PROCESS_SUSPEND_RESUME, FALSE, dwThreadId);
-    if (pHandle == NULL) return false;
-
-    bool ok = ((fSuspend ? NtSuspendProcess : NtResumeProcess)(pHandle) == STATUS_SUCCESS);
-    CloseHandle(pHandle);
-
-    return ok;
-}
diff --git a/service/server/router_win.h b/service/server/router_win.h
index 2a3b48f3..7b89fe40 100644
--- a/service/server/router_win.h
+++ b/service/server/router_win.h
@@ -49,11 +49,9 @@ private:
 
     DWORD GetServicePid(LPCWSTR serviceName);
     BOOL ListProcessThreads(DWORD dwOwnerPID);
-    BOOL StopProcessThreads(BOOL fSuspend, DWORD dwOwnerPID);
     BOOL EnableDebugPrivilege();
     BOOL InitNtFunctions();
     BOOL SuspendProcess(BOOL fSuspend, DWORD dwProcessId);
-    BOOL SuspendThread(BOOL fSuspend, DWORD dwThreadId);
 
 
 private: