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 = 0;
   DWORD dwPrefMaxLen = MAX_PREFERRED_LENGTH;
   DWORD dwEntriesRead = 0;
   DWORD dwTotalEntries = 0;
   DWORD dwResumeHandle = 0;
   DWORD i;
   DWORD dwTotalCount = 0;
   NET_API_STATUS nStatus;
   LPTSTR pszServerName = NULL;

   if (argc > 2)
   {
      fwprintf(stderr, L"Usage: %s [\\\\ServerName]\n", argv[0]);
      exit(1);
   }
   // The server is not the default local computer.
   //
   if (argc == 2)
      pszServerName = argv[1];
   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 = 0; (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 0;
}

• 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 = 10;
   LPUSER_INFO_10 pBuf = NULL;
   NET_API_STATUS nStatus;

   if (argc != 3)
   {
      fwprintf(stderr, L"Usage: %s \\\\ServerName UserName\n", argv[0]);
      exit(1);
   }
   //
   // Call the NetUserGetInfo function; specify level 10.
   //
   nStatus = NetUserGetInfo(argv[1],
                            argv[2],
                            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 0;
}

• 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 = 1008;
   USER_INFO_1008 ui;
   NET_API_STATUS nStatus;

   if (argc != 3)
   {
      fwprintf(stderr, L"Usage: %s \\\\ServerName UserName\n", argv[0]);
      exit(1);
   }
   // 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[1],
                            argv[2],
                            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[2]);
   else
      fprintf(stderr, "A system error has occurred: %d\n", nStatus);

   return 0;
}

• 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 = 1;
   DWORD dwError = 0;
   NET_API_STATUS nStatus;

   if (argc != 3)
   {
      fwprintf(stderr, L"Usage: %s \\\\ServerName UserName\n", argv[0]);
      exit(1);
   }
   //
   // 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[2];
   ui.usri1_password = argv[2];
   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[1],
                        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[2], argv[1]);
   //
   // Otherwise, print the system error.
   //
   else
      fprintf(stderr, "A system error has occurred: %d\n", nStatus);

   return 0;
}

• 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 = 0;
   NET_API_STATUS nStatus;
   //
   // All parameters are required.
   //
   if (argc != 3)
   {
      fwprintf(stderr, L"Usage: %s \\\\ServerName UserName\n", argv[0]);
      exit(1);
   }
   //
   // Call the NetUserDel function to delete the share.
   //
   nStatus = NetUserDel(argv[1], argv[2]);
   //
   // Display the result of the call.
   //
   if (nStatus == NERR_Success)
      fwprintf(stderr, L"User %s has been successfully deleted on %s\n",
               argv[2], argv[1]);
   else
      fprintf(stderr, "A system error has occurred: %d\n", nStatus);

   return 0;
}