确定Windows和windows系统目录

有两个SDK函数可以完成该功能。GetWindowsDirectory和GetSystemDirectory,下例说明了如何使用这两个函数:

TCHAR szDir [MAX_PATH];

//Get the full path of the windows directory.

:: GetWindowsDirectory (szDir, MAX_PATH);

TRACE ("Windows directory %s\n", szDir);

//Get the full path of the windows system directory.

:: GetSystemDirectory (szDir, MAX_PATH);

TRACE ("Windows system directory %s\n", szDir);
让程序从CTRL+ATL+DEL消失

使用Win32 API函数RegisterServiceProcess这里我们使用了汇编。

#include <windows.h>

HINSTANCE hLibrary;
void *regproc;

void CADInit(void);
void HideApp(void);
void ShowApp(void);
void CADClean(void);

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
CADInit(); //加载 DLL 并创建一指向它指针
HideApp(); //隐藏程序
//ShowApp(); //显示程序

//其他处理或调用

CADClean(); //卸载 DLL
return 0; //retrun 0 因为没有进入消息循环
}

void CADInit(void)
{
//加载 kernel32.dll
hLibrary = LoadLibrary("kernel32.dll");
//获取函数RegisterServiceProcess的地址
regproc = GetProcAddress(hLibrary, "RegisterServiceProcess");
}

void HideApp(void)
{
//实现程序的隐藏
__asm
{
push 1
push 0
call regproc
}
return;
}

void ShowApp(void)
{
//恢复状态
__asm
{
push 0
push 0
call regproc
}
return;
}

void CADClean(void)
{
//卸载 DLL
FreeLibrary(hLibrary);
return;
}
本程序在W2K和Win9x测试通过。
程序自杀(进程自己结束自己)

HMODULE module = GetModuleHandle(0);
CHAR buf[MAX_PATH];
GetModuleFileName(module, buf, sizeof buf);
CloseHandle(HANDLE(4));

 __asm
{
lea eax, buf
push 0
push 0
push eax
push ExitProcess
push module
push DeleteFile
push UnmapViewOfFile
ret
}
return;
操作系统信息

//结构OSVERSIONINFO包含操作系统的版本信息
OSVERSIONINFO osvi;
CString winver,os;

osvi.dwOSVersionInfoSize=sizof(OSVERSIONINFO);
GetVersionEx(&osvi);

switch(osvi.dwPlatformId)
{
case 0:
os="Win 3.X";
break;
case 1:
os="Win 9X";
break;
case 2:
os="Win NT/2000/XP";
break;
default:
os="Other OS";
break;
}
隐藏你的鼠标


(注意:注销或重新启动就可以恢复)

一、建立一个单文档的应用程序框架
二、为隐藏主窗口,将OnCreate 删除。
并在App类里修改m_pMainWnd指向ShowWindow(SW_HIDE)
三、现在在mainframe的实现文件里添加如下内容:

POINT mp,cursorNew;
/////////////////////////////////////
// CMainFrame construction/destruction
UINT FMouse(LPVOID param)
{
    int flag=0;

    WINDOWPLACEMENT wp;///窗口位置
    wp.length=sizeof(WINDOWPLACEMENT);
    HWND hWnd;
    char tmp[20];
    RECT rt;
    hWnd=GetDesktopWindow();////GetForegroundWindow();
    GetWindowPlacement(hWnd,&wp);
    GetWindowRect(hWnd,&rt);
    GetWindowText(hWnd,tmp,20);

    HDC dc=GetDC((HWND)param);

int iResult;
    iResult=AfxMessageBox("确实要隐藏吗?",MB_OKCANCEL);
    if(iResult==IDOK)
    {
        while(1)
        {
            hWnd=GetForegroundWindow();//GetDesktopWindow();
            GetWindowRect(hWnd,&rt);
            GetWindowText(hWnd,tmp,20);
            GetWindowPlacement(hWnd,&wp);
            GetCursorPos(&cursorNew);
            while(1){
            ::mouse_event(MOUSEEVENTF_MOVE,cursorNew.x,cursorNew.y,0,0);
            }
        }
    }
    return 0;
}
在构造函数里启动线程CMainFrame::CMainFrame()
{
    HWND hWnd=::GetParent(NULL);
    GetCursorPos(&mp);
    AfxBeginThread(FMouse,hWnd,0);    
}
系统的定时关机

TOKEN_PRIVILEGES tkp;
    HANDLE hToken;

if (!OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
    {
    MessageBox("OpenProcessToken failed!");
    }

LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); //获得本地机唯一的标识
    tkp.PrivilegeCount = 1;
    tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES) NULL, 0); //调整获得的权限

    if (GetLastError() != ERROR_SUCCESS)
    {
MessageBox("AdjustTokenPrivileges enable failed!");
    }

fResult =InitiateSystemShutdown(
NULL, // 要关的计算机用户名,可在局域网网中关掉对方的机器,NULL表示关本机
"由于系统不稳定,WINDOWS将在上面的时间内关机,请做好保存工作!", // 显示的消息
10, // 关机所需的时间
TRUE,
TRUE); //设为TRUE为重起,设为FALSE为关机

if(!fResult)
{
MessageBox("InitiateSystemShutdown failed.");
    }

tkp.Privileges[0].Attributes = 0;
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES) NULL, 0);

if (GetLastError() != ERROR_SUCCESS)
    {
MessageBox("AdjustTokenPrivileges disable failed.");
    }

    ExitWindowsEx(EWX_SHUTDOWN,0); //开始关机
程序只运行一个实例,并激活前一个实例

具体实现:

1、在程序初始化的时候 (InitInstance()) 枚举所有的窗口,查找本程序的实例是否存在
2、在主窗口初始化的时候在本窗口的属性列表中添加一个标记,以便程序查找.

部分关键代码

1、在App的InitInstance()中枚举所有窗口,查找本程序实例

HWND oldHWnd = NULL;
EnumWindows(EnumWndProc,(LPARAM)&oldHWnd); //枚举所有运行的窗口
if(oldHWnd != NULL)
{
    AfxMessageBox("本程序已经在运行了");
    ::showWindow(oldHWnd,SW_SHOWNORMAL); //激活找到的前一个程序
    ::setForegroundWindow(oldHWnd); //把它设为前景窗口
    return false; //退出本次运行
}
2、添加EnumWndProc窗口过程函数://添加的标识只运行一次的属性名
CString g_szPropName = "Your Prop Name"; //自己定义一个属性名
HANDLE g_hValue = (HANDLE)1; //自己定义一个属性值

BOOL CALLBACK EnumWndProc(HWND hwnd,LPARAM lParam)
{
    HANDLE h = GetProp(hwnd,g_szPropName);
    if( h == g_hValue)
    {
        *(HWND*)lParam = hwnd;
        return false;
    }
    return true;
}
3、在主窗口的 OnInitDialog()中添加属性 //设置窗口属性
SetProp(m_hWnd,g_szPropName,g_hValue);
探测Windows主机的NetBIOS信息

NetBIOS信息
在我们和远程Windows2000/XP主机建立了空会话之后,我们就有权枚举系统里的各项NetBIOS信息了。当然在某些选项中需要较高的权利,不过我们只执行那些匿名用户可以获得的绝大多数系统信息。

时间:探测远程主机的当前日期和时间信息。它会返回一个数据结构,包括年,月,日,星期,时,分,秒等等。不过得到的是GMT标准时间,当然对于我们来说就应该换算为GMT+8:00了。由此可以判断出主机所在的时区信息。

操作系统指纹:探测远程主机的操作系统指纹信息。一共有三种级别的探测(100,101,102),我们使用的是101级,它会返回一个数据结构,可以获取远程主机的平台标识,服务器名称,操作系统的主次版本(Windows2000为5.0,WindowsXP为5.1,而最新操作系统Longhorn的版本为6.0),服务器类型(每台主机可能同时包含多种类型信息)和注释。

共享列表:探测远程主机的共享列表。我们可以获得一个数据结构指针,枚举远程主机的所有共享信息(隐藏的共享列表在内)。其中包括共享名称,类型与备注。类型可分为:磁盘驱动器,打印队列,通讯设备,进程间通讯与特殊设备。

用户列表: 探测远程主机的用户列表,返回一个数据结构指针,枚举所有用户信息。可获取用户名,全名,用户标识符,说明与标识信息。标识信息可以探测用户的访问权限。

本地组列表: 探测远程主机的本地组列表信息。枚举所有本地组信息,包含本地组名称和注释信息。

组列表: 探测远程主机的组列表信息。枚举所有的组信息,包括组名称,注释,组标识符与属性。在此基础上,我们可以枚举组内的所有用户信息。

组用户列表: 探测特定组内的用户信息。我们可以获得组内所有用户的名称。当我门获得了所有的用户列表,下一步就应该很清楚了,那就是挂一个字典进行破解了。

传输协议列表: 探测远程主机的传输协议信息,枚举所有的传输列表。可以获得每个传输协议的名称,地址,网络地址和当前与本传输协议连接的用户数目。

会话列表: 探测远程主机的当前会话列表。枚举每个会话的相关信息,包括客户端主机的名称,当前用户的名称,活动时间和空闲时间。这可以帮助我们了解远程主机用户的喜好等等。

主要函数与相关数据结构分析

1. 建立空会话
WNetAddConnection2(&nr,username,password,0);
//nr为NETRESOURCE数据结构的对象;
//username为建立空会话的用户名,在此将用户名设置为NULL;
//password为登陆密码,在此将密码设置为NULL;
2. 撤消空会话
WNetCancelConnection2(ipc,0,TRUE);
//ipc为TCHAR的指针,我们可以这样获得:
//swprintf(ipc,_T("\\\\%s\\ipc$"),argv[1]),argv[1]为主机名或地址;

3. 探测主机时间
nStatus=NetRemoteTOD(server,(PBYTE*)&pBuf);
//参数server为主机的名称或地址;
//pBuf为TIME_OF_DAY_INFO数据结构的指针;
//nStatus为NET_API_STATUS成员;

4. 探测操作系统指纹
NetServerGetInfo(server,dwLevel,(PBYTE *)&pBuf);
//dwLevel为等级数,我们选择的是101级;
//pBuf是SERVER_INFO_101数据结构的指针;

5. 探测共享列表
NetShareEnum(server,dwLevel,(PBYTE *)&pBuf,MAX_PREFERRED_LENGTH,&er,&tr,&resume);
//dwLevel的等级数为1级;
//pBuf是SHARE_INFO_1数据结构的指针;
//MAX_PREFERRED_LENGTH指定返回数据的长度;
//er指明返回的实际可以枚举的成员数目;
//tr返回所有的成员数目;
//resume用于继续进行共享搜索;

6. 探测用户列表
NetQueryDisplayInformation(server,dwLevel,i,100,0xFFFFFFFF,&dwRec,(PVOID *)&pBuf);
//dwLevel的等级数为1级;
//i为枚举的索引;
//dwRec返回获取的信息数目;
//pBuf为NET_DISPLAY_USER数据结构的指针;

7. 探测本地组列表
NetLocalGroupEnum(server,dwLevel,(PBYTE *)&pBuf,-1,&er,&tr,&resume);
//dwLevel的等级是1;
//pBuf返回LOCALGROUP_INFO_1数据结构的指针;

8. 探测组列表
NetQueryDisplayInformation(server,dwLevel,i,100,0xFFFFFFFF,&dwRec,(PVOID*)&pGBuf);
//dwLevel的等级为3;
//pGBuf返回NET_DISPLAY_GROUP的数据结构指针;

9. 探测组内的用户
NetGroupGetUsers(server,pGBuffer->grpi3_name,0,(PBYTE *)&pUBuf,MAX_PREFERRED_LENGTH,&er,&tr,&resume);
//pGBuffer->grpi3_name为组的名称;
//pUBuf返回GROUP_USERS_INFO_0数据结构的指针;

10.探测传输协议列表
NetServerTransportEnum(server,dwLevel,(PBYTE *)&pBuf,MAX_PREFERRED_LENGTH,&er,&tr,&resume);
//dwLevel的等级为0级;
//pBuf返回SERVER_TRANSPORT_INFO_0数据结构的指针;

11.探测会话列表
NetSessionEnum(server,pszClient,pszUser,dwLevel,(PBYTE *)&pBuf,MAX_PREFERRED_LENGTH,&er,&tr,&resume);
//pszClient指定客户的地址;
//pszUser指定用户名;
//dwLevel的等级是10级;
//pBuf返回SESSION_INFO_10数据结构的指针;

12.释放内存
NetApiBufferFree(pBuf);
//释放由系统分配的内存空间。


源代码

#define UNICODE
#define _UNICODE

#include <windows.h>
#include <winnetwk.h>
#include <tchar.h>
#include "include\lmaccess.h"
#include "include\lmserver.h"
#include "include\lmshare.h"
#include <lm.h>

#pragma comment (lib,"mpr")
#pragma comment (lib,"netapi32")

void start();
void usage();
int datetime(PTSTR server);
int fingerprint(PTSTR server);
int netbios(PTSTR server);
int users(PTSTR server);
int localgroup(PTSTR server);
int globalgroup(PTSTR server);
int transport(PTSTR server);
int session(PTSTR server);

int wmain(int argc,TCHAR *argv[])
{
    NETRESOURCE nr;
    DWORD ret;
    TCHAR username[100]=_T("");
    TCHAR password[100]=_T("");
    TCHAR ipc[100]=_T("");

    system("cls.exe");
    start();
    if(argc!=2)
    {
        usage();
        return -1;
    }
    swprintf(ipc,_T("\\\\%s\\ipc$"),argv[1]);
    nr.lpLocalName=NULL;
    nr.lpProvider=NULL;
    nr.dwType=RESOURCETYPE_ANY;
    nr.lpRemoteName=ipc;
    ret=WNetAddConnection2(&nr,username,password,0);
    if(ret!=ERROR_SUCCESS)
    {
        _tprintf(_T("\nIPC$ Connect Failed.\n"));
        return -1;
    }

    datetime(argv[1]);
fingerprint(argv[1]);
    netbios(argv[1]);
    users(argv[1]);
    localgroup(argv[1]);
    globalgroup(argv[1]);
    transport(argv[1]);
    session(argv[1]);

    ret=WNetCancelConnection2(ipc,0,TRUE);
    if(ret!=ERROR_SUCCESS)
    {
        _tprintf(_T("IPC$ Disconnect Failed.\n"));
        return -1;
    }
    return 0;
}

void start()
{
    _tprintf(_T("=====[ T-SMB Scan, by TOo2y ]=====\n"));
    _tprintf(_T("=====[ E-mail: TOo2y@safechina.net ]=====\n"));
    _tprintf(_T("=====[ HomePage: www.safechina.net ]=====\n"));
    _tprintf(_T("=====[ Date: 12-12-2002 ]=====\n"));
}

void usage()
{
    _tprintf(_T("\nUsage:\t T-SMB Remoteip"));
    _tprintf(_T("\nRequest: Remote host must be opening port 445/tcp of Microsoft-DS.\n"));
}

int datetime(PTSTR server)
{
    PTIME_OF_DAY_INFO pBuf=NULL;
    NET_API_STATUS nStatus;
    DWORD lerror;

    _tprintf(_T("\n*** Date and Time ***\n"));
    nStatus=NetRemoteTOD(server,(PBYTE*)&pBuf);
    if(nStatus==NERR_Success)
    {
        if(pBuf!=NULL)
        {
            _tprintf(_T("\nCurrent date:\t%.2d-%.2d-%d"),pBuf->tod_month,pBuf->tod_day,pBuf->tod_year);
            _tprintf(_T("\nCurrent time:\t%.2d:%.2d:%.2d.%.2d (GMT)"),pBuf->tod_hours,pBuf->tod_mins,pBuf->tod_secs,pBuf->tod_hunds);
            pBuf->tod_hours=(pBuf->tod_hours+8)%24;
            _tprintf(_T("\nCurrent time:\t%.2d:%.2d:%.2d.%.2d (GMT+08:00)\n"),pBuf->tod_hours,pBuf->tod_mins,pBuf->tod_secs,pBuf->tod_hunds);
        }
    }
    else
    {
        lerror=GetLastError();
        if(lerror==997)
        {
            _tprintf(_T("\nDateTime:\tOverlapped I/O operation is in progress. \n"));
        }
        else
        {
        _tprintf(_T("\nDatetime Error:\t%d\n"),lerror);
        }
    }
    if(pBuf!=NULL)
    {
        NetApiBufferFree(pBuf);
    }
    return 0;
}

int fingerprint(PTSTR server)
{
DWORD dwlength;
    DWORD dwLevel;
    NET_API_STATUS nStatus;
    PSERVER_INFO_101 pBuf;
    DWORD lerror;

    dwLevel=101;
    pBuf=NULL;
    dwlength=_tcslen(server);

    _tprintf(_T("\n**** Fingerprint ****\n"));
    nStatus=NetServerGetInfo(server,dwLevel,(PBYTE *)&pBuf);
    if(nStatus==NERR_Success)
    {
        _tprintf(_T("\nComputername:\t%s"),pBuf->sv101_name);
        _tprintf(_T("\nComment:\t%s"),pBuf->sv101_comment);
        _tprintf(_T("\nPlatform:\t%d"),pBuf->sv101_platform_id);
        _tprintf(_T("\nVersion:\t%d.%d"),pBuf->sv101_version_major,pBuf->sv101_version_minor);
        _tprintf(_T("\nType:"));
        if(pBuf->sv101_type & SV_TYPE_NOVELL)
        {
            _tprintf(_T("\t\tNovell server.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_XENIX_SERVER)
        {
            _tprintf(_T("\t\tXenix server.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_DOMAIN_ENUM)
        {
            _tprintf(_T("\t\tPrimary domain .\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_TERMINALSERVER)
        {
            _tprintf(_T("\t\tTerminal Server.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_WINDOWS)
        {
            _tprintf(_T("\t\tWindows 95 or later.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_SERVER)
        {
            _tprintf(_T("\t\tA LAN Manager server.\n"));
        }
if(pBuf->sv101_type & SV_TYPE_WORKSTATION)
        {
        _tprintf(_T("\t\tA LAN Manager workstation.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_PRINTQ_SERVER)
        {
            _tprintf(_T("\t\tServer sharing print queue.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_DOMAIN_CTRL)
        {
            _tprintf(_T("\t\tPrimary domain controller.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_DOMAIN_BAKCTRL)
        {
            _tprintf(_T("\t\tBackup domain controller.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_AFP)
        {
            _tprintf(_T("\t\tApple File Protocol server.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_DOMAIN_MEMBER)
        {
            _tprintf(_T("\t\tLAN Manager 2.x domain member.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_LOCAL_LIST_ONLY)
        {
            _tprintf(_T("\t\tServers maintained by the browser.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_DIALIN_SERVER)
        {
            _tprintf(_T("\t\tServer running dial-in service.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_TIME_SOURCE)
        {
            _tprintf(_T("\t\tServer running the Timesource service.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_SERVER_MFPN)
        {
            _tprintf(_T("\t\tMicrosoft File and Print for NetWare.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_NT)
        {
            _tprintf(_T("\t\tWindows NT/2000/XP workstation or server.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_WFW)
        {
            _tprintf(_T("\t\tServer running Windows for Workgroups.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_POTENTIAL_BROWSER)
        {
            _tprintf(_T("\t\tServer that can run the browser service.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_BACKUP_BROWSER)
        {
            _tprintf(_T("\t\tServer running a browser service as backup.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_MASTER_BROWSER)
        {
            _tprintf(_T("\t\tServer running the master browser service.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_DOMAIN_MASTER)
        {
            _tprintf(_T("\t\tServer running the domain master browser.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_CLUSTER_NT)
        {
            _tprintf(_T("\t\tServer clusters available in the domain.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_SQLSERVER)
        {
            _tprintf(_T("\t\tAny server running with Microsoft SQL Server.\n"));
        }
        if(pBuf->sv101_type & SV_TYPE_SERVER_NT)
        {
            _tprintf(_T("\t\tWindows NT/2000 server that is not a domain controller.\n"));
        }
    }
    else
    {
        lerror=GetLastError();
        if(lerror==997)
        {
            _tprintf(_T("\nFingerprint:\tOverlapped I/O operation is in progress.\n"));
        }
        else
        {
        _tprintf(_T("\nFingerprint Error:\t%d\n"),lerror);
        }
    }
    if(pBuf!=NULL)
    {
        NetApiBufferFree(pBuf);
    }
    return 0;
}

int netbios(PTSTR server)
{
    DWORD er,tr,resume;
    DWORD i,dwLength,dwLevel;
    PSHARE_INFO_1 pBuf,pBuffer;
    NET_API_STATUS nStatus;
    DWORD lerror;

    er=0;
    tr=0;
    resume=1;
    dwLevel=1;
    dwLength=_tcslen(server);

_tprintf(_T("\n****** Netbios ******\n"));
    do
    {
        nStatus=NetShareEnum(server,dwLevel,(PBYTE *)&pBuf,MAX_PREFERRED_LENGTH,&er,&tr,&resume);
        if((nStatus==ERROR_SUCCESS) || (nStatus==ERROR_MORE_DATA))
        {
        pBuffer=pBuf;
        for(i=1;i<=er;i++)
            {
                _tprintf(_T("\nName:\t\t%s"),pBuffer->shi1_netname);
                _tprintf(_T("\nRemark:\t\t%s"),pBuffer->shi1_remark);
                _tprintf(_T("\nType:\t\t"));
                if(pBuffer->shi1_type==STYPE_DISKTREE)
                {
                    _tprintf(_T("Disk drive.\n"));
                }
                else if(pBuffer->shi1_type==STYPE_PRINTQ)
                {
                    _tprintf(_T("Print queue.\n"));
                }
                else if(pBuffer->shi1_type==STYPE_DEVICE)
                {
                    _tprintf(_T("Communication device.\n"));
                }
                else if(pBuffer->shi1_type==STYPE_IPC)
                {
                    _tprintf(_T("Interprocess communication (IPC).\n"));
                }
                else if(pBuffer->shi1_type==STYPE_SPECIAL)
                {
                    _tprintf(_T("Special share reserved for interprocess communication (IPC$) or remote administration of the server (ADMIN$).\n"));
                }
                else
                {
                    _tprintf(_T("\n"));
                }
                pBuffer++;
            }
        }
        else
        {
            lerror=GetLastError();
            if(lerror==997)
            {
                _tprintf(_T("\nNetbios:\tOverlapped I/O operation is in progress.\n"));
            }
            else
            {
                _tprintf(_T("\nNetbios Error:\t%d\n"),lerror);
            }
        }
    if(pBuf!=NULL)
        {
        NetApiBufferFree(pBuf);
        }
    }
    while(nStatus==ERROR_MORE_DATA);
    return 0;
}

int users(PTSTR server)
{
    PNET_DISPLAY_USER pBuf,pBuffer;
    DWORD nStatus;
    DWORD dwRec;
    DWORD i=0;
    DWORD lerror;
    DWORD dwLevel;

    dwLevel=1;

    _tprintf(_T("\n******* Users *******\n"));
    do
    {
        nStatus=NetQueryDisplayInformation(server,dwLevel,i,100,0xFFFFFFFF,&dwRec,(PVOID *)&pBuf);
        if((nStatus==ERROR_SUCCESS) || (nStatus==ERROR_MORE_DATA))
        {
            pBuffer=pBuf;
            for(;dwRec>0;dwRec--)
            {
                _tprintf(_T("\nName:\t\t%s"),pBuffer->usri1_name);
                _tprintf(_T("\nFull Name:\t%s"),pBuffer->usri1_full_name);
                _tprintf(_T("\nUser ID:\t%u"),pBuffer->usri1_user_id);
                _tprintf(_T("\nComment: \t%s"),pBuffer->usri1_comment);
                _tprintf(_T("\nFlag:"));
                if(pBuffer->usri1_flags & UF_ACCOUNTDISABLE)
                {
                    _tprintf(_T("\t\tThe user''s account is disabled.\n"));
                }
                if(pBuffer->usri1_flags & UF_TRUSTED_FOR_DELEGATION)
                {
                    _tprintf(_T("\t\tThe account is enabled for delegation. \n"));
                }
                if(pBuffer->usri1_flags & UF_LOCKOUT)
                {
                    _tprintf(_T("\t\tThe account is currently locked out (blocked).\n"));
                }
                if(pBuffer->usri1_flags & UF_SMARTCARD_REQUIRED)
                {
                    _tprintf(_T("\t\tRequires the user to log on to the user account with a smart card. \n"));
                }
                if(pBuffer->usri1_flags & UF_DONT_REQUIRE_PREAUTH)
                {
                    _tprintf(_T("\t\tThis account does not require Kerberos preauthentication for logon.\n"));
                }
                if(pBuffer->usri1_flags & UF_ENCRYPTED_TEXT_PASSWORD_ALLOWED)
                {
                    _tprintf(_T("\t\tThe user''s password is stored under reversible encryption in the Active Directory. \n"));
                }
                if(pBuffer->usri1_flags & UF_NOT_DELEGATED)
                {
                    _tprintf(_T("\t\tMarks the account as \"sensitive\"; other users cannot act as delegates of this user account.\n"));
                }
                if(pBuffer->usri1_flags & UF_USE_DES_KEY_ONLY)
                {
                    _tprintf(_T("\t\tRestrict this principal to use only Data Encryption Standard (DES) encryption types for keys.\n"));
                }
                if(pBuffer->usri1_flags & UF_HOMEDIR_REQUIRED)
                {
                    _tprintf(_T("\t\tThe home directory is required. Windows NT/Windows 2000/Windows XP ignores this value.\n"));
                }
                if(pBuffer->usri1_flags & UF_SCRIPT)
                {
                    _tprintf(_T("\t\tThe logon script executed. This value must be set for LAN Manager 2.0 and Windows NT/2000/XP.\n"));
                }
                i=pBuffer->usri1_next_index;
                pBuffer++;
            }
        }
        else
        {
            lerror=GetLastError();
            if(lerror==997)
            {
                _tprintf(_T("\nUsers:\t\tOverlapped I/O operation is in progress.\n"));
            }
            else
            {
                _tprintf(_T("\nUsers Error:\t%d\n"),lerror);
            }
        }
        if(pBuf!=NULL)
        {
        NetApiBufferFree(pBuf);
        }
    }while(nStatus==ERROR_MORE_DATA);
    return 0;
}

int localgroup(PTSTR server)
{
    NET_API_STATUS nStatus;
    PLOCALGROUP_INFO_1 pBuf,pBuffer;
    DWORD i,dwLevel;
DWORD er,tr,resume;
    DWORD lerror;

    resume=0;
    dwLevel=1;

    _tprintf(_T("\n**** Local Group ****\n"));
    do
    {
        nStatus=NetLocalGroupEnum(server,dwLevel,(PBYTE *)&pBuf,MAX_PREFERRED_LENGTH,&er,&tr,&resume);
        if((nStatus==NERR_Success) || (nStatus==ERROR_MORE_DATA))
        {
            pBuffer=pBuf;
            for(i=1;i<=er;i++)
            {
                _tprintf(_T("\nName:\t\t%s"),pBuffer->lgrpi1_name);
                _tprintf(_T("\nComment:\t%s"),pBuffer->lgrpi1_comment);
                _tprintf(_T("\n"));
                pBuffer++;
            }
        }
        else
        {
            lerror=GetLastError();
            if(lerror==997)
            {
                _tprintf(_T("\nLocal Group:\tOverlapped I/O operation is in progress.\n"));
            }
            else
            {
                _tprintf(_T("\nLocal Group Error:\t%d\n"),lerror);
            }
        }
        if(pBuf!=NULL)
        {
        NetApiBufferFree(pBuf);
        }
    }while(nStatus==ERROR_MORE_DATA);
    return 0;
}

int globalgroup(PTSTR server)
{
    PNET_DISPLAY_GROUP pGBuf,pGBuffer;
    PGROUP_USERS_INFO_0 pUBuf,pUBuffer;
    DWORD nGStatus,nUStatus;
    DWORD i;
    DWORD dwLevel,dwRec;
    DWORD k;
    DWORD er,tr,resume;
    DWORD lerror;
    
    i=0;
    dwLevel=3;
    er=0;
    tr=0;
    resume=0;
    _tprintf(_T("\n**** Global group ****\n"));
do
    {
        nGStatus=NetQueryDisplayInformation(server,dwLevel,i,100,0xFFFFFFFF,&dwRec,(PVOID*)&pGBuf);
if((nGStatus==ERROR_SUCCESS) || (nGStatus==ERROR_MORE_DATA))
        {
            pGBuffer=pGBuf;
            for(;dwRec>0;dwRec--)
            {
                _tprintf(_T("\nName:\t\t%s"),pGBuffer->grpi3_name);
            _tprintf(_T("\nComment:\t%s"),pGBuffer->grpi3_comment);
            _tprintf(_T("\nGroup ID:\t%u"),pGBuffer->grpi3_group_id);
        _tprintf(_T("\nAttributs:\t%u"),pGBuffer->grpi3_attributes);
                _tprintf(_T("\nMembers:\t"));

            nUStatus=NetGroupGetUsers(server,pGBuffer->grpi3_name,0,(PBYTE *)&pUBuf,MAX_PREFERRED_LENGTH,&er,&tr,&resume);
                if(nUStatus==NERR_Success)
                {
                    pUBuffer=pUBuf;
                    for(k=1;k<=er;k++)
                    {
                        _tprintf(_T("%s "),pUBuffer->grui0_name);
                    pUBuffer++;
                    }
                if(pUBuf!=NULL)
                    {
                    NetApiBufferFree(pUBuf);
                    }
                }
                _tprintf(_T("\n"));
                i=pGBuffer->grpi3_next_index;
                pGBuffer++;
            }
        }
        else
        {
            lerror=GetLastError();
            if(lerror==997)
            {
                _tprintf(_T("\nGlobal Group:\tOverlapped I/O operation is in progress.\n"));
            }
            else
            {
                _tprintf(_T("\nGlobal Group Error:\t%d\n"),lerror);
            }
        }
        if(pGBuf!=NULL)
        {
        NetApiBufferFree(pGBuf);
        }
    }while(nGStatus==ERROR_MORE_DATA);
return 0;
}

int transport(PTSTR server)
{
    NET_API_STATUS nStatus;
    PSERVER_TRANSPORT_INFO_0 pBuf,pBuffer;
    DWORD dwLevel;
    DWORD i;
DWORD er,tr,resume;
DWORD dwTotalCount;
    DWORD dwLength;
    DWORD lerror;

er=0;
    tr=0;
    resume=0;
    dwLevel=0;
    dwTotalCount=0;

    _tprintf(_T("\n***** Transport *****\n"));
    dwLength=_tcslen(server);
    do
    {
        nStatus=NetServerTransportEnum(server,dwLevel,(PBYTE *)&pBuf,MAX_PREFERRED_LENGTH,&er,&tr,&resume);
        if((nStatus==NERR_Success) || (nStatus==ERROR_MORE_DATA))
        {
pBuffer=pBuf;
            for(i=0;i<er;i++)
            {
            _tprintf(_T("\nTransport:\t%s"),pBuffer->svti0_transportname);
                _tprintf(_T("\nNetworkAddr:\t%s"),pBuffer->svti0_networkaddress);
                _tprintf(_T("\nActiveClient:\t%d User(s)\n"),pBuffer->svti0_numberofvcs);
        pBuffer++;
            dwTotalCount++;
            }
        }
        else
        {
            lerror=GetLastError();
            if(lerror==997)
            {
                _tprintf(_T("\nTransport:\tOverlapped I/O operation is in progress.\n"));
            }
            else
            {
                _tprintf(_T("\nTransport Error:\t%d\n"),lerror);
            }
        }
    if(pBuf!=NULL)
        {
    NetApiBufferFree(pBuf);
        }
    }while(nStatus==ERROR_MORE_DATA);
    _tprintf(_T("\nTotal of %d entrie(s) enumerated.\n"),dwTotalCount);
    return 0;
}
    
int session(PTSTR server)
{
    PSESSION_INFO_10 pBuf,pBuffer;
    NET_API_STATUS nStatus;
    DWORD i,dwLevel;
    DWORD er,tr,resume;
    DWORD dwTotalCount;
    DWORD dwLength;
    PTSTR pszClient;
    PTSTR pszUser;
    DWORD lerror;

    _tprintf(_T("\n****** Session ******\n"));
    dwLevel=10;
    dwTotalCount=0;
    pszClient=NULL;
    pszUser=NULL;
    er=0;
    tr=0;
    resume=0;
    dwLength=_tcslen(server);

    do
    {
        nStatus=NetSessionEnum(server,pszClient,pszUser,dwLevel,(PBYTE *)&pBuf,MAX_PREFERRED_LENGTH,&er,&tr,&resume);
        if((nStatus==NERR_Success) || (nStatus==ERROR_MORE_DATA))
        {
            pBuffer=pBuf;
            for(i=0;i<er;i++)
            {
                if(pBuffer==NULL)
                {
                    _tprintf(_T("An access violation has occurred.\n"));
                    break;
                }
                _tprintf(_T("\nClient:\t\t%s"),pBuffer->sesi10_cname);
                _tprintf(_T("\nUser:\t\t%s"),pBuffer->sesi10_username);
                _tprintf(_T("\nSeconds Active:\t%d"),pBuffer->sesi10_time);
                _tprintf(_T("\nSeconds Idle:\t%d\n"),pBuffer->sesi10_idle_time);
                pBuffer++;
                dwTotalCount++;
            }
        }
        else
        {
            lerror=GetLastError();
            if(lerror==997)
            {
                _tprintf(_T("\nSession:\tOverlapped I/O operation is in progress.\n"));
            }
            else
            {
                _tprintf(_T("\nSession Error:\t%d\n"),lerror);
            }
        }
        if(pBuf!=NULL)
        {
            NetApiBufferFree(pBuf);
        }
    }while(nStatus==ERROR_MORE_DATA);
    _tprintf(_T("\nTotal of %d entrie(s) enumerated.\n"),dwTotalCount);
    return 0;
}
分析IP地址(DDX)

编写Internet应用程序, 需要校验用户进入的IP地址和确认它是正确的.

首先,需要在对话框的头文件里加入下面的函数声明:

#include <winsock.h>
void WINAPI DDX_IPAddress(CDataExchange* pDX, int nIDC, UINT & value);
实现数据交换,你需要在你的对话框DoDataExchange函数里调用DDX_IPAddress函数。
现在,在对话框的实现文件中加入下列代码,不要忘记在项目设置中包含ws2_32.lib.

// DDX routine fo IP address translation
void WINAPI DDX_IPAddress(CDataExchange* pDX, int nIDC, UINT & value)
{
    // from dialog to class ?
    if( pDX->m_bSaveAndValidate)
    {
        CString Val;
        BOOL bValid = true;

        pDX->m_pDlgWnd->GetDlgItem(nIDC)->GetWindowText(Val);

        for( int i = 0; i < Val.GetLength(); i++)
        {
            // let's check if all entered char in entered
            // IP address are digits
            if(Val[i] == '.')
                continue;

            if(isdigit(Val[i]) == 0)
            {
                bValid = false;
                break;            
            }
        }

        if(bValid)
        {
            value = inet_addr(Val);
            if(value == INADDR_NONE)
            {
                pDX->m_pDlgWnd->MessageBox("The entered IP address is invalid.");
                pDX->PrepareEditCtrl(nIDC);
                pDX->Fail();
            }
        }
        else
        {
            pDX->m_pDlgWnd->MessageBox("IP address can only have digits and dots.");
            pDX->PrepareEditCtrl(nIDC);
            pDX->Fail();
        }
    }
    else
    {
        // if the value is a valid IP address store it in the child control
        in_addr IPaddress;
        memcpy(&IPaddress, &value, 4);
        CString Address = inet_ntoa(IPaddress);
        if(!Address.IsEmpty())
        {
            pDX->m_pDlgWnd->GetDlgItem(nIDC)->SetWindowText(Address);
        }
    }    
} 
得到计算机的主机名和IP地址

#include<winsock2.h>

链接库:Wsock32.lib

{
WORD wVersionRequested;
WSADATA wsaData;
char name[255];
CString ip;
PHOSTENT hostinfo;
wVersionRequested = MAKEWORD( 2, 0 );

if ( WSAStartup( wVersionRequested, &wsaData ) == 0 )
{

if( gethostname ( name, sizeof(name)) == 0)
{
if((hostinfo = gethostbyname(name)) != NULL)
{
ip = inet_ntoa (*(struct in_addr *)*hostinfo->h_addr_list);
}
}

WSACleanup( );
}
}