439 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			439 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
/* mkpasswd.c:
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   Copyright 1997, 1998, 1999, 2000 Cygnus Solutions.
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   This file is part of Cygwin.
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   This software is a copyrighted work licensed under the terms of the
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   Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
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   details. */
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#include <ctype.h>
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#include <stdlib.h>
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#include <wchar.h>
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#include <stdio.h>
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#include <sys/cygwin.h>
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#include <windows.h>
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#include <lmaccess.h>
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#include <lmapibuf.h>
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SID_IDENTIFIER_AUTHORITY sid_world_auth = {SECURITY_WORLD_SID_AUTHORITY};
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SID_IDENTIFIER_AUTHORITY sid_nt_auth = {SECURITY_NT_AUTHORITY};
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#ifndef min
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#define min(a,b) (((a)<(b))?(a):(b))
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#endif
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char *
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put_sid (PSID sid)
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{
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  static char s[512];
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  char t[32];
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  DWORD i;
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  strcpy (s, "S-1-");
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  sprintf(t, "%u", GetSidIdentifierAuthority (sid)->Value[5]);
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  strcat (s, t);
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  for (i = 0; i < *GetSidSubAuthorityCount (sid); ++i)
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    {
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      sprintf(t, "-%lu", *GetSidSubAuthority (sid, i));
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      strcat (s, t);
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    }
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  return s;
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}
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void 
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psx_dir (char *in, char *out)
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{
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  if (isalpha (in[0]) && in[1] == ':')
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    {
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      sprintf (out, "/cygdrive/%c", in[0]);
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      in += 2;
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      out += strlen (out);
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    }
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  while (*in)
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    {
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      if (*in == '\\')
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	*out = '/';
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      else
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	*out = *in;
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      in++;
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      out++;
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    }
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  *out = '\0';
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}
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void 
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uni2ansi (LPWSTR wcs, char *mbs)
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{
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  if (wcs)
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    wcstombs (mbs, wcs, (wcslen (wcs) + 1) * sizeof (WCHAR));
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  else
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    *mbs = '\0';
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}
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int 
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enum_users (LPWSTR servername, int print_sids, int print_cygpath)
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{
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  USER_INFO_3 *buffer;
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  DWORD entriesread = 0;
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  DWORD totalentries = 0;
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  DWORD resume_handle = 0;
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  char ansi_srvname[256];
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  if (servername)
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    uni2ansi (servername, ansi_srvname);
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  do
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    {
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      DWORD i;
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      DWORD rc = NetUserEnum (servername, 3, FILTER_NORMAL_ACCOUNT,
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			      (LPBYTE *) & buffer, 1024,
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			      &entriesread, &totalentries, &resume_handle);
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      switch (rc)
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	{
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	case ERROR_ACCESS_DENIED:
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	  fprintf (stderr, "Access denied\n");
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	  exit (1);
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	case ERROR_MORE_DATA:
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	case ERROR_SUCCESS:
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	  break;
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	default:
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	  fprintf (stderr, "NetUserEnum() failed with %ld\n", rc);
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	  exit (1);
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	}
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      for (i = 0; i < entriesread; i++)
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	{
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	  char username[100];
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	  char fullname[100];
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	  char homedir_psx[MAX_PATH];
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	  char homedir_w32[MAX_PATH];
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	  char domain_name[100];
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	  DWORD domname_len = 100;
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	  char psid_buffer[1024];
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	  PSID psid = (PSID) psid_buffer;
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	  DWORD sid_length = 1024;
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	  SID_NAME_USE acc_type;
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	  int uid = buffer[i].usri3_user_id;
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	  int gid = buffer[i].usri3_primary_group_id;
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	  uni2ansi (buffer[i].usri3_name, username);
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	  uni2ansi (buffer[i].usri3_full_name, fullname);
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	  homedir_w32[0] = homedir_psx[0] = '\0';
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	  uni2ansi (buffer[i].usri3_home_dir, homedir_w32);
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          if (print_cygpath)
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            cygwin_conv_to_posix_path (homedir_w32, homedir_psx);
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          else
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	    psx_dir (homedir_w32, homedir_psx);
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          if (print_sids)
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            {
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              if (!LookupAccountName (servername ? ansi_srvname : NULL,
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                                      username,
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                                      psid, &sid_length,
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                                      domain_name, &domname_len,
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			              &acc_type))
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                {
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                  fprintf (stderr,
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                           "LookupAccountName(%s,%s) failed with error %ld\n",
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                           servername ? ansi_srvname : "NULL",
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                           username,
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                           GetLastError ());
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                  continue;
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                }
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              else if (acc_type == SidTypeDomain)
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                {
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                  char domname[356];
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                  strcpy (domname, domain_name);
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                  strcat (domname, "\\");
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                  strcat (domname, username);
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                  sid_length = 1024;
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                  domname_len = 100;
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                  if (!LookupAccountName (servername ? ansi_srvname : NULL,
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                                          domname,
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                                          psid, &sid_length,
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                                          domain_name, &domname_len,
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			                  &acc_type))
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                    {
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                      fprintf (stderr,
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                               "LookupAccountName(%s,%s) failed with error %ld\n",
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                               servername ? ansi_srvname : "NULL",
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                               domname,
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                               GetLastError ());
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                      continue;
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                    }
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                }
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            }
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	  printf ("%s::%d:%d:%s%s%s:%s:/bin/sh\n", username, uid, gid,
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		  fullname,
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                  print_sids ? "," : "",
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                  print_sids ? put_sid (psid) : "",
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                  homedir_psx);
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	}
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      NetApiBufferFree (buffer);
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    }
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  while (entriesread < totalentries);
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  if (servername)
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    NetApiBufferFree (servername);
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  return 0;
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}
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int 
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enum_local_groups (int print_sids)
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{
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  LOCALGROUP_INFO_0 *buffer;
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  DWORD entriesread = 0;
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  DWORD totalentries = 0;
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  DWORD resume_handle = 0;
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  do
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    {
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      DWORD i;
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      DWORD rc = NetLocalGroupEnum (NULL, 0, (LPBYTE *) & buffer, 1024,
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			       &entriesread, &totalentries, &resume_handle);
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      switch (rc)
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	{
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	case ERROR_ACCESS_DENIED:
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	  fprintf (stderr, "Access denied\n");
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	  exit (1);
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	case ERROR_MORE_DATA:
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	case ERROR_SUCCESS:
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	  break;
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	default:
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	  fprintf (stderr, "NetUserEnum() failed with %ld\n", rc);
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	  exit (1);
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	}
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      for (i = 0; i < entriesread; i++)
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	{
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	  char localgroup_name[100];
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	  char domain_name[100];
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	  DWORD domname_len = 100;
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	  char psid_buffer[1024];
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	  PSID psid = (PSID) psid_buffer;
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	  DWORD sid_length = 1024;
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	  DWORD gid;
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	  SID_NAME_USE acc_type;
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	  uni2ansi (buffer[i].lgrpi0_name, localgroup_name);
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	  if (!LookupAccountName (NULL, localgroup_name, psid,
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				  &sid_length, domain_name, &domname_len,
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				  &acc_type))
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	    {
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	      fprintf (stderr, "LookupAccountName(%s) failed with %ld\n",
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		       localgroup_name, GetLastError ());
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	      continue;
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	    }
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          else if (acc_type == SidTypeDomain)
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            {
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              char domname[356];
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              strcpy (domname, domain_name);
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              strcat (domname, "\\");
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              strcat (domname, localgroup_name);
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              sid_length = 1024;
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              domname_len = 100;
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              if (!LookupAccountName (NULL, domname,
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                                      psid, &sid_length,
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                                      domain_name, &domname_len,
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                                      &acc_type))
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                {
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                  fprintf (stderr,
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                           "LookupAccountName(%s) failed with error %ld\n",
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                           localgroup_name, GetLastError ());
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                  continue;
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                }
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            }
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	  gid = *GetSidSubAuthority (psid, *GetSidSubAuthorityCount(psid) - 1);
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	  printf ("%s:*:%ld:%ld:%s%s::\n", localgroup_name, gid, gid,
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                  print_sids ? "," : "",
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                  print_sids ? put_sid (psid) : "");
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	}
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      NetApiBufferFree (buffer);
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    }
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  while (entriesread < totalentries);
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  return 0;
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}
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void 
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usage ()
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{
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  fprintf (stderr, "\n");
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  fprintf (stderr, "usage: mkpasswd [options] [domain]\n\n");
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  fprintf (stderr, "This program prints a /etc/passwd file to stdout\n\n");
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  fprintf (stderr, "Options are\n");
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  fprintf (stderr, "   -l,--local              print local accounts\n");
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  fprintf (stderr, "   -d,--domain             print domain accounts (from current domain\n");
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  fprintf (stderr, "                           if no domain specified\n");
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  fprintf (stderr, "   -g,--local-groups       print local group information too\n");
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  fprintf (stderr, "   -m,--no-mount           don't use mount points for home dir\n");
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  fprintf (stderr, "   -s,--no-sids            don't print SIDs in GCOS field\n");
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  fprintf (stderr, "                           (this affects NT security)\n");
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  fprintf (stderr, "   -?,--help               displays this message\n\n");
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  fprintf (stderr, "This program does only work on Windows NT\n\n");
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  exit (1);
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}
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int 
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main (int argc, char **argv)
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{
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  LPWSTR servername = NULL;
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  DWORD rc = ERROR_SUCCESS;
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  WCHAR domain_name[200];
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  int print_local = 0;
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  int print_domain = 0;
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  int print_local_groups = 0;
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  int domain_name_specified = 0;
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  int print_sids = 1;
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  int print_cygpath = 1;
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  int i;
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  char name[256], dom[256];
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  DWORD len, len2;
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  PSID sid;
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  SID_NAME_USE use;
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  if (argc == 1)
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    usage ();
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  else
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    {
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      for (i = 1; i < argc; i++)
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	{
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	  if (!strcmp (argv[i], "-l") || !strcmp (argv[i], "--local"))
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	    print_local = 1;
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	  else if (!strcmp (argv[i], "-d") || !strcmp (argv[i], "--domain"))
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	    print_domain = 1;
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	  else if (!strcmp (argv[i], "-g") || !strcmp (argv[i], "--local-groups"))
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	    print_local_groups = 1;
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	  else if (!strcmp (argv[i], "-s") || !strcmp (argv[i], "--no-sids"))
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	    print_sids = 0;
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	  else if (!strcmp (argv[i], "-m") || !strcmp (argv[i], "--no-mount"))
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	    print_cygpath = 0;
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	  else if (!strcmp (argv[i], "-?") || !strcmp (argv[i], "--help"))
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	    usage ();
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	  else
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	    {
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	      mbstowcs (domain_name, argv[i], (strlen (argv[i]) + 1));
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	      domain_name_specified = 1;
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	    }
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	}
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    }
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  /* FIXME: this needs to take Windows 98 into account. */
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  if (GetVersion () >= 0x80000000)
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    {
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      fprintf (stderr, "The required functionality is not supported by Windows 95. Sorry.\n");
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      exit (1);
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    }
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  /*
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   * Get `Everyone' group
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  */
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  if (AllocateAndInitializeSid (&sid_world_auth, 1, SECURITY_WORLD_RID,
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                                0, 0, 0, 0, 0, 0, 0, &sid))
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    {
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      if (LookupAccountSid (NULL, sid,
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                            name, (len = 256, &len),
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                            dom, (len2 = 256, &len),
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                            &use))
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        printf ("%s:*:%ld:%ld:%s%s::\n", name,
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                                         SECURITY_WORLD_RID,
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                                         SECURITY_WORLD_RID,
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                                         print_sids ? "," : "",
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                                         print_sids ? put_sid (sid) : "");
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      FreeSid (sid);
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    }
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  /*
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   * Get `system' group
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  */
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  if (AllocateAndInitializeSid (&sid_nt_auth, 1, SECURITY_LOCAL_SYSTEM_RID,
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                                0, 0, 0, 0, 0, 0, 0, &sid))
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    {
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      if (LookupAccountSid (NULL, sid,
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                            name, (len = 256, &len),
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                            dom, (len2 = 256, &len),
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                            &use))
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        printf ("%s:*:%ld:%ld:%s%s::\n", name,
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                                         SECURITY_LOCAL_SYSTEM_RID,
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                                         SECURITY_LOCAL_SYSTEM_RID,
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                                         print_sids ? "," : "",
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                                         print_sids ? put_sid (sid) : "");
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      FreeSid (sid);
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    }
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  /*
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   * Get `administrators' group
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  */
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  if (AllocateAndInitializeSid (&sid_nt_auth, 2, SECURITY_BUILTIN_DOMAIN_RID,
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                                DOMAIN_ALIAS_RID_ADMINS,
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                                0, 0, 0, 0, 0, 0, &sid))
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    {
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      if (LookupAccountSid (NULL, sid,
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                            name, (len = 256, &len),
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                            dom, (len2 = 256, &len),
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                            &use))
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        printf ("%s:*:%ld:%ld:%s%s::\n", name,
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                                         DOMAIN_ALIAS_RID_ADMINS,
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                                         DOMAIN_ALIAS_RID_ADMINS,
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                                         print_sids ? "," : "",
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                                         print_sids ? put_sid (sid) : "");
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      FreeSid (sid);
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    }
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  if (print_local_groups)
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    enum_local_groups (print_sids);
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  if (print_domain)
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    {
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      if (domain_name_specified)
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	rc = NetGetAnyDCName (NULL, domain_name, (LPBYTE *) & servername);
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      else
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	rc = NetGetAnyDCName (NULL, NULL, (LPBYTE *) & servername);
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      if (rc != ERROR_SUCCESS)
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	{
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	  fprintf (stderr, "Cannot get DC, code = %ld\n", rc);
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	  exit (1);
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	}
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      enum_users (servername, print_sids, print_cygpath);
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    }
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  if (print_local)
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    enum_users (NULL, print_sids, print_cygpath);
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  if (servername)
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    NetApiBufferFree (servername);
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  return 0;
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}
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