Windows用户相关操作

• 获取所有用户

NET_API_STATUS NetUserEnum(
  LPCWSTR servername,
  DWORD level,
  DWORD filter,
  LPBYTE* bufptr,
  DWORD prefmaxlen,
  LPDWORD entriesread,
  LPDWORD totalentries,
  LPDWORD resume_handle
);

 #ifndef UNICODE
 #define UNICODE
 #endif

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

 int wmain(int argc, wchar_t *argv[])
 {
    LPUSER_INFO_0 pBuf = NULL;
    LPUSER_INFO_0 pTmpBuf;
    DWORD dwLevel = ;
    DWORD dwPrefMaxLen = MAX_PREFERRED_LENGTH;
    DWORD dwEntriesRead = ;
    DWORD dwTotalEntries = ;
    DWORD dwResumeHandle = ;
    DWORD i;
    DWORD dwTotalCount = ;
    NET_API_STATUS nStatus;
    LPTSTR pszServerName = NULL;

    if (argc > )
    {
       fwprintf(stderr, L"Usage: %s [\\\\ServerName]\n", argv[]);
       exit();
    }
    // The server is not the default local computer.
    //
    if (argc == )
       pszServerName = argv[];
    wprintf(L"\nUser account on %s: \n", pszServerName);
    //
    // Call the NetUserEnum function, specifying level 0;
    //   enumerate global user account types only.
    //
    do // begin do
    {
       nStatus = NetUserEnum(pszServerName,
                             dwLevel,
                             FILTER_NORMAL_ACCOUNT, // global users
                             (LPBYTE*)&pBuf,
                             dwPrefMaxLen,
                             &dwEntriesRead,
                             &dwTotalEntries,
                             &dwResumeHandle);
       //
       // If the call succeeds,
       //
       if ((nStatus == NERR_Success) || (nStatus == ERROR_MORE_DATA))
       {
          if ((pTmpBuf = pBuf) != NULL)
          {
             //
             // Loop through the entries.
             //
             for (i = ; (i < dwEntriesRead); i++)
             {
                assert(pTmpBuf != NULL);

                if (pTmpBuf == NULL)
                {
                   fprintf(stderr, "An access violation has occurred\n");
                   break;
                }
                //
                //  Print the name of the user account.
                //
                wprintf(L"\t-- %s\n", pTmpBuf->usri0_name);

                pTmpBuf++;
                dwTotalCount++;
             }
          }
       }
       //
       // Otherwise, print the system error.
       //
       else
          fprintf(stderr, "A system error has occurred: %d\n", nStatus);
       //
       // Free the allocated buffer.
       //
       if (pBuf != NULL)
       {
          NetApiBufferFree(pBuf);
          pBuf = NULL;
       }
    }
    // Continue to call NetUserEnum while
    //  there are more entries.
    //
    while (nStatus == ERROR_MORE_DATA); // end do
    //
    // Check again for allocated memory.
    //
    if (pBuf != NULL)
       NetApiBufferFree(pBuf);
    //
    // Print the final count of users enumerated.
    //
    fprintf(stderr, "\nTotal of %d entries enumerated\n", dwTotalCount);

    return ;
 }

• 获取用户信息

NET_API_STATUS NetUserGetInfo(
  LPCWSTR servername,
  LPCWSTR username,
  DWORD level,
  LPBYTE* bufptr
);

 #ifndef UNICODE
 #define UNICODE
 #endif

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

 int wmain(int argc, wchar_t *argv[])
 {
    DWORD dwLevel = ;
    LPUSER_INFO_10 pBuf = NULL;
    NET_API_STATUS nStatus;

    if (argc != )
    {
       fwprintf(stderr, L"Usage: %s \\\\ServerName UserName\n", argv[]);
       exit();
    }
    //
    // Call the NetUserGetInfo function; specify level 10.
    //
    nStatus = NetUserGetInfo(argv[],
                             argv[],
                             dwLevel,
                             (LPBYTE *)&pBuf);
    //
    // If the call succeeds, print the user information.
    //
    if (nStatus == NERR_Success)
    {
     if (pBuf != NULL)
       {
          wprintf(L"\n\tAccount:      %s\n", pBuf->usri10_name);
          wprintf(L"\tComment:      %s\n", pBuf->usri10_comment);
          wprintf(L"\tUser comment: %s\n", pBuf->usri10_usr_comment);
          wprintf(L"\tFull name:    %s\n", pBuf->usri10_full_name);
       }
    }
    // Otherwise, print the system error.
    //
    else
       fprintf(stderr, "A system error has occurred: %d\n", nStatus);
    //
    // Free the allocated memory.
    //
    if (pBuf != NULL)
       NetApiBufferFree(pBuf);

    return ;
 }

• 修改用户信息

NET_API_STATUS NetUserSetInfo(
  LPCWSTR servername,
  LPCWSTR username,
  DWORD level,
  LPBYTE buf,
  LPDWORD parm_err
);

 #ifndef UNICODE
 #define UNICODE
 #endif

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

 int wmain(int argc, wchar_t *argv[])
 {
    DWORD dwLevel = ;
    USER_INFO_1008 ui;
    NET_API_STATUS nStatus;

    if (argc != )
    {
       fwprintf(stderr, L"Usage: %s \\\\ServerName UserName\n", argv[]);
       exit();
    }
    // Fill in the USER_INFO_1008 structure member.
    // UF_SCRIPT: required for LAN Manager 2.0 and
    //  Windows NT and later.
    //
    ui.usri1008_flags = UF_SCRIPT | UF_ACCOUNTDISABLE;
    //
    // Call the NetUserSetInfo function
    //  to disable the account, specifying level 1008.
    //
    nStatus = NetUserSetInfo(argv[],
                             argv[],
                             dwLevel,
                             (LPBYTE)&ui,
                             NULL);
    //
    // Display the result of the call.
    //
    if (nStatus == NERR_Success)
       fwprintf(stderr, L"User account %s has been disabled\n", argv[]);
    else
       fprintf(stderr, "A system error has occurred: %d\n", nStatus);

    return ;
 }

• 增加用户

NET_API_STATUS NetUserAdd(
  LMSTR servername,
  DWORD level,
  LPBYTE buf,
  LPDWORD parm_err
);

 #ifndef UNICODE
 #define UNICODE
 #endif

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

 int wmain(int argc, wchar_t *argv[])
 {
    USER_INFO_1 ui;
    DWORD dwLevel = ;
    DWORD dwError = ;
    NET_API_STATUS nStatus;

    if (argc != )
    {
       fwprintf(stderr, L"Usage: %s \\\\ServerName UserName\n", argv[]);
       exit();
    }
    //
    // Set up the USER_INFO_1 structure.
    //  USER_PRIV_USER: name identifies a user,
    //    rather than an administrator or a guest.
    //  UF_SCRIPT: required for LAN Manager 2.0 and
    //    Windows NT and later.
    //
    ui.usri1_name = argv[];
    ui.usri1_password = argv[];
    ui.usri1_priv = USER_PRIV_USER;
    ui.usri1_home_dir = NULL;
    ui.usri1_comment = NULL;
    ui.usri1_flags = UF_SCRIPT;
    ui.usri1_script_path = NULL;
    //
    // Call the NetUserAdd function, specifying level 1.
    //
    nStatus = NetUserAdd(argv[],
                         dwLevel,
                         (LPBYTE)&ui,
                         &dwError);
    //
    // If the call succeeds, inform the user.
    //
    if (nStatus == NERR_Success)
       fwprintf(stderr, L"User %s has been successfully added on %s\n",
                argv[], argv[]);
    //
    // Otherwise, print the system error.
    //
    else
       fprintf(stderr, "A system error has occurred: %d\n", nStatus);

    return ;
 }

• 用户删除

NET_API_STATUS NetUserDel(
  LPCWSTR servername,
  LPCWSTR username
);

 #ifndef UNICODE
 #define UNICODE
 #endif

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

 int wmain(int argc, wchar_t *argv[])
 {
    DWORD dwError = ;
    NET_API_STATUS nStatus;
    //
    // All parameters are required.
    //
    if (argc != )
    {
       fwprintf(stderr, L"Usage: %s \\\\ServerName UserName\n", argv[]);
       exit();
    }
    //
    // Call the NetUserDel function to delete the share.
    //
    nStatus = NetUserDel(argv[], argv[]);
    //
    // Display the result of the call.
    //
    if (nStatus == NERR_Success)
       fwprintf(stderr, L"User %s has been successfully deleted on %s\n",
                argv[], argv[]);
    else
       fprintf(stderr, "A system error has occurred: %d\n", nStatus);

    return ;
 }