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探测Win2K/XP/2003本机系统信息

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  Native API乃Windows用户模式中为上层Win32 API提供接口的本机系统服务。平常我们总是调用MS为我们提供的公用的Win32 API函数来实现来实现 我们系统的功能。今天我们要谈的是如何通过本机系统服务(Native API)来探测本机系统信息。当然,微软没有为我们提供关于本机系统服务的文档 (Undocumented),也就是不会为对它的使用提供任何的保证,所以我们不提倡使用Native API来开发软件。不过在特殊情况下,本机系统服务却为我们提供了通向“秘密”的捷径。本文提到的信息仅在Windows2000/XP/2003上测试过。

  今天,我们主要讨论的是一个函数NtQuerySystemInformation(ZwQuerySystemInformation)。当然,你不要小看这么一个函数,它却为我们提供了丰富的系统信息,同时还包括对某些信息的控制和设置。以下是这个函数的原型:

typedef NTSTATUS (__stdcall *NTQUERYSYSTEMINFORMATION)
         (IN   SYSTEM_INFORMATION_CLASS SystemInformationClass,
   IN OUT PVOID          SystemInformation,
   IN   ULONG          SystemInformationLength,
   OUT   PULONG         ReturnLength OPTIONAL);
NTQUERYSYSTEMINFORMATION NtQuerySystemInformation;

  从中可以看到,SystemInformationClass是一个类型信息,它大概提供了50余种信息,也就是我们可以通过这个函数对大约50多种的系统信息进行探测或设置。SystemInformation是一个LPVOID型的指针,它为我们提供需要获得的信息,或是我们需要设置的系统信息。SystemInformationLength是SystemInformation的长度,它根据探测的信息类型来决定。至于ReturnLength则是系统返回的需要的长度,通常可以设置为空指针(NULL)。

  首先,我们来看看大家比较熟悉的系统进程/线程相关的信息。这个题目在网上已经讨论了N多年了,所以我就不在老生常谈了,呵呵。那么就提出这个结构类型的定义:

typedef struct _SYSTEM_PROCESSES
{
ULONG     NextEntryDelta;     //构成结构序列的偏移量;
ULONG     ThreadCount;       //线程数目;
ULONG     Reserved1[6];    
LARGE_INTEGER CreateTime;       //创建时间;
LARGE_INTEGER UserTime;        //用户模式(Ring 3)的CPU时间;
LARGE_INTEGER KernelTime;       //内核模式(Ring 0)的CPU时间;
UNICODE_STRING ProcessName;       //进程名称;
KPRIORITY   BasePriority;      //进程优先权;
ULONG     ProcessId;       //进程标识符;
ULONG     InheritedFromProcessId; //父进程的标识符;
ULONG     HandleCount;       //句柄数目;
ULONG     Reserved2[2];
VM_COUNTERS  VmCounters;       //虚拟存储器的结构,见下;
IO_COUNTERS  IoCounters;       //IO计数结构,见下;
SYSTEM_THREADS Threads[1];       //进程相关线程的结构数组,见下;
}SYSTEM_PROCESSES,*PSYSTEM_PROCESSES;

typedef struct _SYSTEM_THREADS
{
LARGE_INTEGER KernelTime;       //CPU内核模式使用时间;
LARGE_INTEGER UserTime;         //CPU用户模式使用时间;
LARGE_INTEGER CreateTime;       //线程创建时间;
ULONG     WaitTime;         //等待时间;
PVOID     StartAddress;       //线程开始的虚拟地址;
CLIENT_ID   ClientId;         //线程标识符;
KPRIORITY   Priority;         //线程优先级;
KPRIORITY   BasePriority;       //基本优先级;
ULONG     ContextSwitchCount;   //环境切换数目;
THREAD_STATE State;          //当前状态;
KWAIT_REASON WaitReason;       //等待原因;
}SYSTEM_THREADS,*PSYSTEM_THREADS;

typedef struct _VM_COUNTERS
{
ULONG PeakVirtualSize;         //虚拟存储峰值大小;
ULONG VirtualSize;           //虚拟存储大小;
ULONG PageFaultCount;         //页故障数目;
ULONG PeakWorkingSetSize;       //工作集峰值大小;
ULONG WorkingSetSize;         //工作集大小;
ULONG QuotaPeakPagedPoolUsage;     //分页池使用配额峰值;
ULONG QuotaPagedPoolUsage;       //分页池使用配额;
ULONG QuotaPeakNonPagedPoolUsage;   //非分页池使用配额峰值;
ULONG QuotaNonPagedPoolUsage;     //非分页池使用配额;
ULONG PagefileUsage;          //页文件使用情况;
ULONG PeakPagefileUsage;        //页文件使用峰值;
}VM_COUNTERS,*PVM_COUNTERS;

typedef struct _IO_COUNTERS
{
LARGE_INTEGER ReadOperationCount;   //I/O读操作数目;
LARGE_INTEGER WriteOperationCount;   //I/O写操作数目;
LARGE_INTEGER OtherOperationCount;   //I/O其他操作数目;
LARGE_INTEGER ReadTransferCount;    //I/O读数据数目;
LARGE_INTEGER WriteTransferCount;   //I/O写数据数目;
LARGE_INTEGER OtherTransferCount;   //I/O其他操作数据数目;
}IO_COUNTERS,*PIO_COUNTERS;

   以上这些信息应该是比较全面的了,在Win32 API里为我们提供了PSAPI(进程状态)和ToolHelp32这两种探测系统进程/线程信息的方式,在Windows2K/XP/2003都支持它们。
  现在,我们来看看系统的性能信息,性能结构SYSTEM_PERFORMANCE_INFORMATION为我们提供了70余种系统性能方面的信息,真是太丰富了,请慢慢体会~

typedef struct _SYSTEM_PERFORMANCE_INFORMATION
{
LARGE_INTEGER IdleTime;          //CPU空闲时间;
LARGE_INTEGER ReadTransferCount;     //I/O读操作数目;
LARGE_INTEGER WriteTransferCount;     //I/O写操作数目;
LARGE_INTEGER OtherTransferCount;     //I/O其他操作数目;
ULONG     ReadOperationCount;     //I/O读数据数目;
ULONG     WriteOperationCount;     //I/O写数据数目;
ULONG     OtherOperationCount;     //I/O其他操作数据数目;
ULONG     AvailablePages;       //可获得的页数目;
ULONG     TotalCommittedPages;     //总共提交页数目;
ULONG     TotalCommitLimit;      //已提交页数目;
ULONG     PeakCommitment;       //页提交峰值;
ULONG     PageFaults;         //页故障数目;
ULONG     WriteCopyFaults;       //Copy-On-Write故障数目;
ULONG     TransitionFaults;      //软页故障数目;
ULONG     Reserved1;
ULONG     DemandZeroFaults;      //需求0故障数;
ULONG     PagesRead;         //读页数目;
ULONG     PageReadIos;         //读页I/O操作数;
ULONG     Reserved2[2];
ULONG     PagefilePagesWritten;    //已写页文件页数;
ULONG     PagefilePageWriteIos;    //已写页文件操作数;
ULONG     MappedFilePagesWritten;   //已写映射文件页数;
ULONG     MappedFileWriteIos;     //已写映射文件操作数;
ULONG     PagedPoolUsage;       //分页池使用;
ULONG     NonPagedPoolUsage;     //非分页池使用;
ULONG     PagedPoolAllocs;       //分页池分配情况;
ULONG     PagedPoolFrees;       //分页池释放情况;
ULONG     NonPagedPoolAllocs;     //非分页池分配情况;
ULONG     NonPagedPoolFress;     //非分页池释放情况;
ULONG     TotalFreeSystemPtes;     //系统页表项释放总数;
ULONG     SystemCodePage;       //操作系统代码页数;
ULONG     TotalSystemDriverPages;   //可分页驱动程序页数;
ULONG     TotalSystemCodePages;    //操作系统代码页总数;
ULONG     SmallNonPagedLookasideListAllocateHits; //小非分页侧视列表分配次数;
ULONG     SmallPagedLookasideListAllocateHits;  //小分页侧视列表分配次数;
ULONG     Reserved3;        
ULONG     MmSystemCachePage;     //系统缓存页数;
ULONG     PagedPoolPage;       //分页池页数;
ULONG     SystemDriverPage;     //可分页驱动页数;
ULONG     FastReadNoWait;       //异步快速读数目;
ULONG     FastReadWait;       //同步快速读数目;
ULONG     FastReadResourceMiss;   //快速读资源冲突数;
ULONG     FastReadNotPossible;    //快速读失败数;
ULONG     FastMdlReadNoWait;     //异步MDL快速读数目;
ULONG     FastMdlReadWait;      //同步MDL快速读数目;
ULONG     FastMdlReadResourceMiss;  //MDL读资源冲突数;
ULONG     FastMdlReadNotPossible;   //MDL读失败数;
ULONG     MapDataNoWait;       //异步映射数据次数;
ULONG     MapDataWait;        //同步映射数据次数;
ULONG     MapDataNoWaitMiss;     //异步映射数据冲突次数;
ULONG     MapDataWaitMiss;      //同步映射数据冲突次数;
ULONG     PinMappedDataCount;     //牵制映射数据数目;
ULONG     PinReadNoWait;       //牵制异步读数目;
ULONG     PinReadWait;        //牵制同步读数目;
ULONG     PinReadNoWaitMiss;     //牵制异步读冲突数目;
ULONG     PinReadWaitMiss;      //牵制同步读冲突数目;
ULONG     CopyReadNoWait;       //异步拷贝读次数;
ULONG     CopyReadWait;       //同步拷贝读次数;
ULONG     CopyReadNoWaitMiss;     //异步拷贝读故障次数;
ULONG     CopyReadWaitMiss;     //同步拷贝读故障次数;
ULONG     MdlReadNoWait;       //异步MDL读次数;
ULONG     MdlReadWait;        //同步MDL读次数;
ULONG     MdlReadNoWaitMiss;     //异步MDL读故障次数;
ULONG     MdlReadWaitMiss;      //同步MDL读故障次数;
ULONG     ReadAheadIos;       //向前读操作数目;
ULONG     LazyWriteIos;       //LAZY写操作数目;
ULONG     LazyWritePages;       //LAZY写页文件数目;
ULONG     DataFlushes;        //缓存刷新次数;
ULONG     DataPages;         //缓存刷新页数;
ULONG     ContextSwitches;      //环境切换数目;
ULONG     FirstLevelTbFills;     //第一层缓冲区填充次数;
ULONG     SecondLevelTbFills;     //第二层缓冲区填充次数;
ULONG     SystemCall;         //系统调用次数;
}SYSTEM_PERFORMANCE_INFORMATION,*PSYSTEM_PERFORMANCE_INFORMATION;

  现在看到的是结构SYSTEM_PROCESSOR_TIMES提供的系统处理器的使用情况,包括各种情况下的使用时间及中断数目:

typedef struct __SYSTEM_PROCESSOR_TIMES
{
LARGE_INTEGER IdleTime;       //空闲时间;
LARGE_INTEGER KernelTime;       //内核模式时间;
LARGE_INTEGER UserTime;       //用户模式时间;
LARGE_INTEGER DpcTime;        //延迟过程调用时间;
LARGE_INTEGER InterruptTime;     //中断时间;
ULONG     InterruptCount;     //中断次数;
}SYSTEM_PROCESSOR_TIMES,*PSYSTEM_PROCESSOR_TIMES;

   页文件的使用情况,SYSTEM_PAGEFILE_INFORMATION提供了所需的相关信息:
typedef struct _SYSTEM_PAGEFILE_INFORMATION
{
ULONG NetxEntryOffset;        //下一个结构的偏移量;
ULONG CurrentSize;          //当前页文件大小;
ULONG TotalUsed;           //当前使用的页文件数;
ULONG PeakUsed;           //当前使用的页文件峰值数;
UNICODE_STRING FileName;       //页文件的文件名称;
}SYSTEM_PAGEFILE_INFORMATION,*PSYSTEM_PAGEFILE_INFORMATION;

  系统高速缓存的使用情况参见结构SYSTEM_CACHE_INFORMATION提供的信息:

typedef struct _SYSTEM_CACHE_INFORMATION
{
ULONG SystemCacheWsSize;       //高速缓存大小;
ULONG SystemCacheWsPeakSize;     //高速缓存峰值大小;
ULONG SystemCacheWsFaults;      //高速缓存页故障数目;
ULONG SystemCacheWsMinimum;     //高速缓存最小页大小;
ULONG SystemCacheWsMaximum;     //高速缓存最大页大小;
ULONG TransitionSharedPages;     //共享页数目;
ULONG TransitionSharedPagesPeak;   //共享页峰值数目;
ULONG Reserved[2];
}SYSTEM_CACHE_INFORMATION,*PSYSTEM_CACHE_INFORMATION;

附录:(所有完整源代码,您可以到我们FZ5FZ的主页下载)。

1.T-PMList的头文件源代码:

#ifndef T_PMLIST_H
#define T_PMLIST_H

#include <windows.h>
#include <stdio.h>

#define NT_PROCESSTHREAD_INFO    0x05
#define MAX_INFO_BUF_LEN       0x500000
#define STATUS_SUCCESS       ((NTSTATUS)0x00000000L)
#define STATUS_INFO_LENGTH_MISMATCH ((NTSTATUS)0xC0000004L)

typedef LONG NTSTATUS;

typedef struct _LSA_UNICODE_STRING
{
USHORT Length;
USHORT MaximumLength;
PWSTR Buffer;
}LSA_UNICODE_STRING,*PLSA_UNICODE_STRING;
typedef LSA_UNICODE_STRING UNICODE_STRING, *PUNICODE_STRING;

typedef struct _CLIENT_ID
{
HANDLE UniqueProcess;
HANDLE UniqueThread;
}CLIENT_ID;
typedef CLIENT_ID *PCLIENT_ID;

typedef LONG KPRIORITY;

typedef struct _VM_COUNTERS
{
ULONG PeakVirtualSize;
ULONG VirtualSize;
ULONG PageFaultCount;
ULONG PeakWorkingSetSize;
ULONG WorkingSetSize;
ULONG QuotaPeakPagedPoolUsage;
ULONG QuotaPagedPoolUsage;
ULONG QuotaPeakNonPagedPoolUsage;
ULONG QuotaNonPagedPoolUsage;
ULONG PagefileUsage;
ULONG PeakPagefileUsage;
}VM_COUNTERS,*PVM_COUNTERS;

typedef struct _IO_COUNTERS
{
LARGE_INTEGER ReadOperationCount;
LARGE_INTEGER WriteOperationCount;
LARGE_INTEGER OtherOperationCount;
LARGE_INTEGER ReadTransferCount;
LARGE_INTEGER WriteTransferCount;
LARGE_INTEGER OtherTransferCount;
}IO_COUNTERS,*PIO_COUNTERS;

typedef enum _THREAD_STATE
{
StateInitialized,
StateReady,
StateRunning,
StateStandby,
StateTerminated,
StateWait,
StateTransition,
StateUnknown
}THREAD_STATE;

typedef enum _KWAIT_REASON
{
Executive,
FreePage,
PageIn,
PoolAllocation,
DelayExecution,
Suspended,
UserRequest,
WrExecutive,
WrFreePage,
WrPageIn,
WrPoolAllocation,
WrDelayExecution,
WrSuspended,
WrUserRequest,
WrEventPair,
WrQueue,
WrLpcReceive,
WrLpcReply,
WrVertualMemory,
WrPageOut,
WrRendezvous,
Spare2,
Spare3,
Spare4,
Spare5,
Spare6,
WrKernel
}KWAIT_REASON;

typedef struct _SYSTEM_THREADS
{
LARGE_INTEGER KernelTime;
LARGE_INTEGER UserTime;
LARGE_INTEGER CreateTime;
ULONG     WaitTime;
PVOID     StartAddress;
CLIENT_ID   ClientId;
KPRIORITY   Priority;
KPRIORITY   BasePriority;
ULONG     ContextSwitchCount;
THREAD_STATE State;
KWAIT_REASON WaitReason;
}SYSTEM_THREADS,*PSYSTEM_THREADS;

typedef struct _SYSTEM_PROCESSES
{
ULONG     NextEntryDelta;
ULONG     ThreadCount;
ULONG     Reserved1[6];
LARGE_INTEGER CreateTime;
LARGE_INTEGER UserTime;
LARGE_INTEGER KernelTime;
UNICODE_STRING ProcessName;
KPRIORITY   BasePriority;
ULONG     ProcessId;
ULONG     InheritedFromProcessId;
ULONG     HandleCount;
ULONG     Reserved2[2];
VM_COUNTERS  VmCounters;
IO_COUNTERS  IoCounters;
SYSTEM_THREADS Threads[1];
}SYSTEM_PROCESSES,*PSYSTEM_PROCESSES;

typedef DWORD  SYSTEM_INFORMATION_CLASS;
typedef NTSTATUS (__stdcall *NTQUERYSYSTEMINFORMATION)
         (IN   SYSTEM_INFORMATION_CLASS,
   IN OUT PVOID,
   IN   ULONG,
   OUT  PULONG OPTIONAL);
NTQUERYSYSTEMINFORMATION NtQuerySystemInformation;

DWORD EnumProcess()
{
   PSYSTEM_PROCESSES pSystemProc;
HMODULE      hNtDll     = NULL;
LPVOID       lpSystemInfo = NULL;
DWORD       dwNumberBytes = MAX_INFO_BUF_LEN;
DWORD       dwTotalProcess = 0;
DWORD       dwReturnLength;
NTSTATUS     Status;
LONGLONG     llTempTime;
__try
{
hNtDll = LoadLibrary("NtDll.dll");
     if(hNtDll == NULL)
{
       printf("LoadLibrary Error: %d\n",GetLastError());
   __leave;
}

NtQuerySystemInformation = (NTQUERYSYSTEMINFORMATION)GetProcAddress(hNtDll,"NtQuerySystemInformation");
     if(NtQuerySystemInformation == NULL)
{
   printf("GetProcAddress for NtQuerySystemInformation Error: %d\n",GetLastError());
     __leave;
}

lpSystemInfo = (LPVOID)malloc(dwNumberBytes);
Status = NtQuerySystemInformation(NT_PROCESSTHREAD_INFO,
             lpSystemInfo,
dwNumberBytes,
&dwReturnLength);
if(Status == STATUS_INFO_LENGTH_MISMATCH)
{
printf("STATUS_INFO_LENGTH_MISMATCH\n");
__leave;
}
else if(Status != STATUS_SUCCESS)
{
printf("NtQuerySystemInformation Error: %d\n",GetLastError());
__leave;
}

printf("%-20s%6s%7s%8s%6s%7s%7s%13s\n","ProcessName","PID","PPID","WsSize","Prio.","Thread","Handle","CPU Time");
printf("————————————————————————–\n");
pSystemProc = (PSYSTEM_PROCESSES)lpSystemInfo;
while(pSystemProc->NextEntryDelta != 0)
{
if(pSystemProc->ProcessId != 0)
{
wprintf(L"%-20s",pSystemProc->ProcessName.Buffer);
}
else
{
wprintf(L"%-20s",L"System Idle Process");
}
printf("%6d",pSystemProc->ProcessId);
printf("%7d",pSystemProc->InheritedFromProcessId);
printf("%7dK",pSystemProc->VmCounters.WorkingSetSize/1024);
printf("%6d",pSystemProc->BasePriority);
printf("%7d",pSystemProc->ThreadCount);
printf("%7d",pSystemProc->HandleCount);
llTempTime = pSystemProc->KernelTime.QuadPart + pSystemProc->UserTime.QuadPart;
llTempTime /= 10000;
printf("%3d:",llTempTime/(60*60*1000));
llTempTime %= 60*60*1000;
printf("%.2d:",llTempTime/(60*1000));
llTempTime %= 60*1000;
printf("%.2d.",llTempTime/1000);
llTempTime %= 1000;
printf("%.3d",llTempTime);

printf("\n");
dwTotalProcess ++;
pSystemProc = (PSYSTEM_PROCESSES)((char *)pSystemProc + pSystemProc->NextEntryDelta);
}
printf("————————————————————————–\n");
printf("\nTotal %d Process(es) !\n\n",dwTotalProcess);
printf("PID\t ==> Process Identification\n");
printf("PPID\t ==> Parent Process Identification\n");
printf("WsSize\t ==> Working Set Size\n");
printf("Prio.\t ==> Base Priority\n");
printf("Thread\t ==> Thread Count\n");
printf("Handle\t ==> Handle Count\n");
printf("CPU Time ==> Processor Time\n");
}
__finally
{
if(lpSystemInfo != NULL)
{
free(lpSystemInfo);
}
if(hNtDll != NULL)
{
   FreeLibrary(hNtDll);
}
}

return 0;
}

DWORD SpeciProcess(DWORD dwPID)
{
   PSYSTEM_PROCESSES pSystemProc  = NULL;
PSYSTEM_THREADS  pSystemThre  = NULL;
HMODULE      hNtDll     = NULL;
LPVOID       lpSystemInfo = NULL;
DWORD       dwNumberBytes = MAX_INFO_BUF_LEN;
DWORD       dwTotalProcess = 0;
DWORD       dwReturnLength;
NTSTATUS     Status;
LONGLONG     llTempTime;
ULONG       ulIndex;

__try
{
hNtDll = LoadLibrary("NtDll.dll");
     if(hNtDll == NULL)
{
     printf("LoadLibrary Error: %d\n",GetLastError());
       __leave;
}

NtQuerySystemInformation = (NTQUERYSYSTEMINFORMATION)GetProcAddress(hNtDll,"NtQuerySystemInformation");
   if(NtQuerySystemInformation == NULL)
{
   printf("GetProcAddress for NtQuerySystemInformation Error: %d\n",GetLastError());
     __leave;
}

lpSystemInfo = (LPVOID)malloc(dwNumberBytes);
Status = NtQuerySystemInformation(NT_PROCESSTHREAD_INFO,
             lpSystemInfo,
dwNumberBytes,
&dwReturnLength);
if(Status == STATUS_INFO_LENGTH_MISMATCH)
{
printf("STATUS_INFO_LENGTH_MISMATCH\n");
__leave;
}
else if(Status != STATUS_SUCCESS)
{
printf("NtQuerySystemInformation Error: %d\n",GetLastError());
__leave;
}

pSystemProc = (PSYSTEM_PROCESSES)lpSystemInfo;
while(pSystemProc->NextEntryDelta != 0)
{
if(pSystemProc->ProcessId == dwPID)
{
printf("ProcessName:\t\t ");
if(pSystemProc->ProcessId != 0)
{
wprintf(L"%-20s\n",pSystemProc->ProcessName.Buffer);
}
else
{
wprintf(L"%-20s\n",L"System Idle Process");
}
printf("ProcessID:\t\t %d\t\t",pSystemProc->ProcessId);
printf("ParentProcessID:\t%d\n",pSystemProc->InheritedFromProcessId);

printf("KernelTime:\t\t ");
llTempTime = pSystemProc->KernelTime.QuadPart;
llTempTime /= 10000;
printf("%d:",llTempTime/(60*60*1000));
llTempTime %= 60*60*1000;
printf("%.2d:",llTempTime/(60*1000));
llTempTime %= 60*1000;
printf("%.2d.",llTempTime/1000);
llTempTime %= 1000;
printf("%.3d\t",llTempTime);

printf("UserTime:\t\t");
llTempTime = pSystemProc->UserTime.QuadPart;
llTempTime /= 10000;
printf("%d:",llTempTime/(60*60*1000));
llTempTime %= 60*60*1000;
printf("%.2d:",llTempTime/(60*1000));
llTempTime %= 60*1000;
printf("%.2d.",llTempTime/1000);
llTempTime %= 1000;
printf("%.3d\n",llTempTime);

printf("Privilege:\t\t %d%%\t\t",(pSystemProc->KernelTime.QuadPart * 100)/(pSystemProc->KernelTime.QuadPart + pSystemProc->UserTime.QuadPart));
printf("User:\t\t\t%d%%\n",(pSystemProc->UserTime.QuadPart * 100)/(pSystemProc->KernelTime.QuadPart + pSystemProc->UserTime.QuadPart));

printf("ThreadCount:\t\t %d\t\t",pSystemProc->ThreadCount);
printf("HandleCount:\t\t%d\n",pSystemProc->HandleCount);

printf("BasePriority:\t\t %-2d\t\t",pSystemProc->BasePriority);
printf("PageFaultCount:\t\t%d\n\n",pSystemProc->VmCounters.PageFaultCount);

printf("PeakWorkingSetSize(K):\t %-8d\t",pSystemProc->VmCounters.PeakWorkingSetSize/1024);
printf("WorkingSetSize(K):\t%-8d\n",pSystemProc->VmCounters.WorkingSetSize/1024);

    

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