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Create Toolhelp32 Snapshot

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Create Toolhelp32 Snapshot

مُساهمة  mahmoud12 في 4/8/2015, 9:54 pm

ما رأيك في تعليمة التاالية CreateToolhelp32Snapshot شكراااااااااااااا
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الكود:

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#include <windows.h>
#include <tlhelp32.h>
#include <stdio.h>
 
//  Forward declarations:
BOOL GetProcessList( );
BOOL ListProcessModules( DWORD dwPID );
BOOL ListProcessThreads( DWORD dwOwnerPID );
void printError( TCHAR* msg );
 
void main( )
{
  GetProcessList( );
}
 
BOOL GetProcessList( )
{
  HANDLE hProcessSnap;
  HANDLE hProcess;
  PROCESSENTRY32 pe32;
  DWORD dwPriorityClass;
 
  // Take a snapshot of all processes in the system.
  hProcessSnap = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
  if( hProcessSnap == INVALID_HANDLE_VALUE )
  {
    printError( "CreateToolhelp32Snapshot (of processes)" );
    return( FALSE );
  }
 
  // Set the size of the structure before using it.
  pe32.dwSize = sizeof( PROCESSENTRY32 );
 
  // Retrieve information about the first process,
  // and exit if unsuccessful
  if( !Process32First( hProcessSnap, &pe32 ) )
  {
    printError( "Process32First" );  // Show cause of failure
    CloseHandle( hProcessSnap );    // Must clean up the snapshot object!
    return( FALSE );
  }
 
  // Now walk the snapshot of processes, and
  // display information about each process in turn
  do
  {
    printf( "\n\n=====================================================" );
    printf( "\nPROCESS NAME:  %s", pe32.szExeFile );
    printf( "\n-----------------------------------------------------" );
 
    // Retrieve the priority class.
    dwPriorityClass = 0;
    hProcess = OpenProcess( PROCESS_ALL_ACCESS, FALSE, pe32.th32ProcessID );
    if( hProcess == NULL )
      printError( "OpenProcess" );
    else
    {
      dwPriorityClass = GetPriorityClass( hProcess );
      if( !dwPriorityClass )
        printError( "GetPriorityClass" );
      CloseHandle( hProcess );
    }
 
    printf( "\n  process ID        = 0x%08X", pe32.th32ProcessID );
    printf( "\n  thread count      = %d",  pe32.cntThreads );
    printf( "\n  parent process ID = 0x%08X", pe32.th32ParentProcessID );
    printf( "\n  Priority Base    = %d", pe32.pcPriClassBase );
    if( dwPriorityClass )
      printf( "\n  Priority Class    = %d", dwPriorityClass );
 
    // List the modules and threads associated with this process
    ListProcessModules( pe32.th32ProcessID );
    ListProcessThreads( pe32.th32ProcessID );
 
  } while( Process32Next( hProcessSnap, &pe32 ) );
 
  CloseHandle( hProcessSnap );
  return( TRUE );
}
 
 
BOOL ListProcessModules( DWORD dwPID )
{
  HANDLE hModuleSnap = INVALID_HANDLE_VALUE;
  MODULEENTRY32 me32;
 
  // Take a snapshot of all modules in the specified process.
  hModuleSnap = CreateToolhelp32Snapshot( TH32CS_SNAPMODULE, dwPID );
  if( hModuleSnap == INVALID_HANDLE_VALUE )
  {
    printError( "CreateToolhelp32Snapshot (of modules)" );
    return( FALSE );
  }
 
  // Set the size of the structure before using it.
  me32.dwSize = sizeof( MODULEENTRY32 );
 
  // Retrieve information about the first module,
  // and exit if unsuccessful
  if( !Module32First( hModuleSnap, &me32 ) )
  {
    printError( "Module32First" );  // Show cause of failure
    CloseHandle( hModuleSnap );    // Must clean up the snapshot object!
    return( FALSE );
  }
 
  // Now walk the module list of the process,
  // and display information about each module
  do
  {
    printf( "\n\n    MODULE NAME:    %s",            me32.szModule );
    printf( "\n    executable    = %s",            me32.szExePath );
    printf( "\n    process ID    = 0x%08X",        me32.th32ProcessID );
    printf( "\n    ref count (g)  =    0x%04X",    me32.GlblcntUsage );
    printf( "\n    ref count (p)  =    0x%04X",    me32.ProccntUsage );
    printf( "\n    base address  = 0x%08X", (DWORD) me32.modBaseAddr );
    printf( "\n    base size      = %d",            me32.modBaseSize );
 
  } while( Module32Next( hModuleSnap, &me32 ) );
 
  CloseHandle( hModuleSnap );
  return( TRUE );
}
 
BOOL ListProcessThreads( DWORD dwOwnerPID )
{
  HANDLE hThreadSnap = INVALID_HANDLE_VALUE;
  THREADENTRY32 te32;
 
  // Take a snapshot of all running threads 
  hThreadSnap = CreateToolhelp32Snapshot( TH32CS_SNAPTHREAD, 0 );
  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 ) )
  {
    printError( "Thread32First" );  // Show cause of failure
    CloseHandle( hThreadSnap );    // Must clean up the snapshot object!
    return( FALSE );
  }
 
  // Now walk the thread list of the system,
  // and display information about each thread
  // associated with the specified process
  do
  {
    if( te32.th32OwnerProcessID == dwOwnerPID )
    {
      printf( "\n\n    THREAD ID      = 0x%08X", te32.th32ThreadID );
      printf( "\n    base priority  = %d", te32.tpBasePri );
      printf( "\n    delta priority = %d", te32.tpDeltaPri );
    }
  } while( Thread32Next(hThreadSnap, &te32 ) );
 
  CloseHandle( hThreadSnap );
  return( TRUE );
}
 
void printError( TCHAR* msg )
{
  DWORD eNum;
  TCHAR sysMsg[256];
  TCHAR* p;
 
  eNum = GetLastError( );
  FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
        NULL, eNum,
        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
        sysMsg, 256, NULL );
 
  // Trim the end of the line and terminate it with a null
  p = sysMsg;
  while( ( *p > 31 ) || ( *p == 9 ) )
    ++p;
  do { *p-- = 0; } while( ( p >= sysMsg ) &&
                          ( ( *p == '.' ) || ( *p < 33 ) ) );
 
  // Display the message
  printf( "\n  WARNING: %s failed with error %d (%s)", msg, eNum, sysMsg );
}
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...

الكود:

#include <windows.h>
#include <tlhelp32.h>
#include <stdio.h>
 
//  Forward declarations:
BOOL GetProcessList( );
BOOL ListProcessModules( DWORD dwPID );
BOOL ListProcessThreads( DWORD dwOwnerPID );
void printError( TCHAR* msg );
 
void main( )
{
  GetProcessList( );
}
 
BOOL GetProcessList( )
{
  HANDLE hProcessSnap;
  HANDLE hProcess;
  PROCESSENTRY32 pe32;
  DWORD dwPriorityClass;
 
  // Take a snapshot of all processes in the system.
  hProcessSnap = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
  if( hProcessSnap == INVALID_HANDLE_VALUE )
  {
    printError( "CreateToolhelp32Snapshot (of processes)" );
    return( FALSE );
  }
 
  // Set the size of the structure before using it.
  pe32.dwSize = sizeof( PROCESSENTRY32 );
 
  // Retrieve information about the first process,
  // and exit if unsuccessful
  if( !Process32First( hProcessSnap, &pe32 ) )
  {
    printError( "Process32First" );  // Show cause of failure
    CloseHandle( hProcessSnap );    // Must clean up the snapshot object!
    return( FALSE );
  }
 
  // Now walk the snapshot of processes, and
  // display information about each process in turn
  do
  {
    printf( "\n\n=====================================================" );
    printf( "\nPROCESS NAME:  %s", pe32.szExeFile );
    printf( "\n-----------------------------------------------------" );
 
    // Retrieve the priority class.
    dwPriorityClass = 0;
    hProcess = OpenProcess( PROCESS_ALL_ACCESS, FALSE, pe32.th32ProcessID );
    if( hProcess == NULL )
      printError( "OpenProcess" );
    else
    {
      dwPriorityClass = GetPriorityClass( hProcess );
      if( !dwPriorityClass )
        printError( "GetPriorityClass" );
      CloseHandle( hProcess );
    }
 
    printf( "\n  process ID        = 0x%08X", pe32.th32ProcessID );
    printf( "\n  thread count      = %d",  pe32.cntThreads );
    printf( "\n  parent process ID = 0x%08X", pe32.th32ParentProcessID );
    printf( "\n  Priority Base    = %d", pe32.pcPriClassBase );
    if( dwPriorityClass )
      printf( "\n  Priority Class    = %d", dwPriorityClass );
 
    // List the modules and threads associated with this process
    ListProcessModules( pe32.th32ProcessID );
    ListProcessThreads( pe32.th32ProcessID );
 
  } while( Process32Next( hProcessSnap, &pe32 ) );
 
  CloseHandle( hProcessSnap );
  return( TRUE );
}
 
 
BOOL ListProcessModules( DWORD dwPID )
{
  HANDLE hModuleSnap = INVALID_HANDLE_VALUE;
  MODULEENTRY32 me32;
 
  // Take a snapshot of all modules in the specified process.
  hModuleSnap = CreateToolhelp32Snapshot( TH32CS_SNAPMODULE, dwPID );
  if( hModuleSnap == INVALID_HANDLE_VALUE )
  {
    printError( "CreateToolhelp32Snapshot (of modules)" );
    return( FALSE );
  }
 
  // Set the size of the structure before using it.
  me32.dwSize = sizeof( MODULEENTRY32 );
 
  // Retrieve information about the first module,
  // and exit if unsuccessful
  if( !Module32First( hModuleSnap, &me32 ) )
  {
    printError( "Module32First" );  // Show cause of failure
    CloseHandle( hModuleSnap );    // Must clean up the snapshot object!
    return( FALSE );
  }
 
  // Now walk the module list of the process,
  // and display information about each module
  do
  {
    printf( "\n\n    MODULE NAME:    %s",            me32.szModule );
    printf( "\n    executable    = %s",            me32.szExePath );
    printf( "\n    process ID    = 0x%08X",        me32.th32ProcessID );
    printf( "\n    ref count (g)  =    0x%04X",    me32.GlblcntUsage );
    printf( "\n    ref count (p)  =    0x%04X",    me32.ProccntUsage );
    printf( "\n    base address  = 0x%08X", (DWORD) me32.modBaseAddr );
    printf( "\n    base size      = %d",            me32.modBaseSize );
 
  } while( Module32Next( hModuleSnap, &me32 ) );
 
  CloseHandle( hModuleSnap );
  return( TRUE );
}
 
BOOL ListProcessThreads( DWORD dwOwnerPID )
{
  HANDLE hThreadSnap = INVALID_HANDLE_VALUE;
  THREADENTRY32 te32;
 
  // Take a snapshot of all running threads 
  hThreadSnap = CreateToolhelp32Snapshot( TH32CS_SNAPTHREAD, 0 );
  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 ) )
  {
    printError( "Thread32First" );  // Show cause of failure
    CloseHandle( hThreadSnap );    // Must clean up the snapshot object!
    return( FALSE );
  }
 
  // Now walk the thread list of the system,
  // and display information about each thread
  // associated with the specified process
  do
  {
    if( te32.th32OwnerProcessID == dwOwnerPID )
    {
      printf( "\n\n    THREAD ID      = 0x%08X", te32.th32ThreadID );
      printf( "\n    base priority  = %d", te32.tpBasePri );
      printf( "\n    delta priority = %d", te32.tpDeltaPri );
    }
  } while( Thread32Next(hThreadSnap, &te32 ) );
 
  CloseHandle( hThreadSnap );
  return( TRUE );
}
 
void printError( TCHAR* msg )
{
  DWORD eNum;
  TCHAR sysMsg[256];
  TCHAR* p;
 
  eNum = GetLastError( );
  FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
        NULL, eNum,
        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
        sysMsg, 256, NULL );
 
  // Trim the end of the line and terminate it with a null
  p = sysMsg;
  while( ( *p > 31 ) || ( *p == 9 ) )
    ++p;
  do { *p-- = 0; } while( ( p >= sysMsg ) &&
                          ( ( *p == '.' ) || ( *p < 33 ) ) );
 
  // Display the message
  printf( "\n  WARNING: %s failed with error %d (%s)", msg, eNum, sysMsg );
}


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mahmoud12
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