mkgroup.c

cygwin, 著名的在win32下模拟unix操作系统的东东

                                      groupname,
                                      psid, &sid_length,
                                      domain_name, &domname_len,
			              &acc_type))
                {
                  fprintf (stderr,
                           "LookupAccountName (%s, %s) failed with error %ld\n",
                           servername ? ansi_srvname : "NULL",
                           groupname,
                           GetLastError ());
                  continue;
                }
              else if (acc_type == SidTypeDomain)
                {
                  char domname[356];

                  strcpy (domname, domain_name);
                  strcat (domname, "\\");
                  strcat (domname, groupname);
                  sid_length = 1024;
                  domname_len = 100;
                  if (!LookupAccountName (servername ? ansi_srvname : NULL,
                                          domname,
                                          psid, &sid_length,
                                          domain_name, &domname_len,
			                  &acc_type))
                    {
                      fprintf (stderr,
                               "LookupAccountName(%s,%s) failed with error %ld\n",
                               servername ? ansi_srvname : "NULL",
                               domname,
                               GetLastError ());
                      continue;
                    }
                }
            }
	  printf ("%s:%s:%d:", groupname,
                               print_sids ? put_sid (psid) : "",
                               gid + id_offset);
	  if (print_users)
	    enum_users (servername, buffer[i].grpi2_name);
	  printf ("\n");
	}

      netapibufferfree (buffer);

    }
  while (rc == ERROR_MORE_DATA);

  if (servername)
    netapibufferfree (servername);
}

void
print_special (int print_sids,
	       PSID_IDENTIFIER_AUTHORITY auth, BYTE cnt,
	       DWORD sub1, DWORD sub2, DWORD sub3, DWORD sub4,
	       DWORD sub5, DWORD sub6, DWORD sub7, DWORD sub8)
{
  char name[256], dom[256];
  DWORD len, len2, rid;
  PSID sid;
  SID_NAME_USE use;

  if (AllocateAndInitializeSid (auth, cnt, sub1, sub2, sub3, sub4,
  				sub5, sub6, sub7, sub8, &sid))
    {
      if (LookupAccountSid (NULL, sid,
			    name, (len = 256, &len),
			    dom, (len2 = 256, &len),
			    &use))
	{
	  if (sub8)
	    rid = sub8;
	  else if (sub7)
	    rid = sub7;
	  else if (sub6)
	    rid = sub6;
	  else if (sub5)
	    rid = sub5;
	  else if (sub4)
	    rid = sub4;
	  else if (sub3)
	    rid = sub3;
	  else if (sub2)
	    rid = sub2;
	  else
	    rid = sub1;
	  printf ("%s:%s:%lu:\n", name,
				 print_sids ? put_sid (sid) : "",
				 rid);
        }
      FreeSid (sid);
    }
}

int
usage (FILE * stream, int status)
{
  fprintf (stream, "Usage: mkgroup [OPTION]... [domain]\n\n"
		   "This program prints a /etc/group file to stdout\n\n"
		   "Options:\n"
		   "   -l,--local             print local group information\n"
		   "   -d,--domain            print global group information from the domain\n"
		   "                          specified (or from the current domain if there is\n"
		   "                          no domain specified)\n"
		   "   -o,--id-offset offset  change the default offset (10000) added to uids\n"
		   "                          in domain accounts.\n"
		   "   -s,--no-sids           don't print SIDs in pwd field\n"
		   "                          (this affects ntsec)\n"
		   "   -u,--users             print user list in gr_mem field\n"
		   "   -h,--help              print this message\n\n"
		   "   -v,--version           print version information and exit\n\n"
		   "One of `-l' or `-d' must be given on NT/W2K.\n");
  return status;
}

struct option longopts[] = {
  {"local", no_argument, NULL, 'l'},
  {"domain", no_argument, NULL, 'd'},
  {"id-offset", required_argument, NULL, 'o'},
  {"no-sids", no_argument, NULL, 's'},
  {"users", no_argument, NULL, 'u'},
  {"help", no_argument, NULL, 'h'},
  {"version", no_argument, NULL, 'v'},
  {0, no_argument, NULL, 0}
};

char opts[] = "ldo:suhv";

void
print_version ()
{
  const char *v = strchr (version, ':');
  int len;
  if (!v)
    {
      v = "?";
      len = 1;
    }
  else
    {
      v += 2;
      len = strchr (v, ' ') - v;
    }
  printf ("\
mkgroup (cygwin) %.*s\n\
group File Generator\n\
Copyright 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.\n\
Compiled on %s\n\
", len, v, __DATE__);
}

int
main (int argc, char **argv)
{
  LPWSTR servername;
  DWORD rc = ERROR_SUCCESS;
  WCHAR domain_name[100];
  int print_local = 0;
  int print_domain = 0;
  int print_sids = 1;
  int print_users = 0;
  int domain_specified = 0;
  int id_offset = 10000;
  int i;

  char name[256], dom[256];
  DWORD len, len2;
  char buf[1024];
  PSID psid = NULL;
  SID_NAME_USE use;

  LSA_OBJECT_ATTRIBUTES oa = { 0, 0, 0, 0, 0, 0 };
  LSA_HANDLE lsa = INVALID_HANDLE_VALUE;
  NTSTATUS ret;
  PPOLICY_PRIMARY_DOMAIN_INFO pdi;

  if (GetVersion () < 0x80000000)
    {
      if (argc == 1)
	return usage(stderr, 1);
      else
	{
	  while ((i = getopt_long (argc, argv, opts, longopts, NULL)) != EOF)
	    switch (i)
	      {
	      case 'l':
		print_local = 1;
		break;
	      case 'd':
		print_domain = 1;
		break;
	      case 'o':
		id_offset = strtol (optarg, NULL, 10);
		break;
	      case 's':
		print_sids = 0;
		break;
	      case 'u':
		print_users = 1;
		break;
	      case 'h':
		return usage (stdout, 0);
	      case 'v':
		print_version ();
		return 0;
	      default:
		fprintf (stderr, "Try `%s --help' for more information.\n", argv[0]);
		return 1;
	      }
	  if (!print_local && !print_domain)
	    {
	      fprintf (stderr, "%s: Specify one of `-l' or `-d'\n", argv[0]);
	      return 1;
	    }
	  if (optind < argc)
	    {
	      if (!print_domain)
		{
		  fprintf (stderr, "%s: A domain name is only accepted "
				   "when `-d' is given.\n", argv[0]);
		  return 1;
		}
	      mbstowcs (domain_name, argv[optind], (strlen (argv[optind]) + 1));
	      domain_specified = 1;
	    }
	}
    }

  /* This takes Windows 9x/ME into account. */
  if (GetVersion () >= 0x80000000)
    {
      printf ("unknown::%ld:\n", DOMAIN_ALIAS_RID_ADMINS);
      return 0;
    }
  
  if (!load_netapi ())
    {
      fprintf (stderr, "Failed loading symbols from netapi32.dll "
      		       "with error %lu\n", GetLastError ());
      return 1;
    }

#if 0
  /*
   * Get `Everyone' group
  */
  print_special (print_sids, &sid_world_auth, 1, SECURITY_WORLD_RID,
			     0, 0, 0, 0, 0, 0, 0);
#endif

  /*
   * Get `system' group
  */
  print_special (print_sids, &sid_nt_auth, 1, SECURITY_LOCAL_SYSTEM_RID,
			     0, 0, 0, 0, 0, 0, 0);
  if (print_local)
    {
      /*
       * Get `None' group
      */
      len = 256;
      GetComputerName (name, &len);
      len = 1024;
      len2 = 256;
      if (LookupAccountName (NULL, name, (PSID) buf, &len, dom, &len, &use))
	psid = (PSID) buf;
      else
        {
	  ret = lsaopenpolicy (NULL, &oa, POLICY_VIEW_LOCAL_INFORMATION, &lsa);
	  if (ret == STATUS_SUCCESS && lsa != INVALID_HANDLE_VALUE)
	    {
	      ret = lsaqueryinformationpolicy (lsa,
					       PolicyPrimaryDomainInformation,
					       (PVOID *) &pdi);
	      if (ret == STATUS_SUCCESS)
	        {
		  if (pdi->Sid)
		    {
		      CopySid (1024, (PSID) buf, pdi->Sid);
		      psid = (PSID) buf;
		    }
		  lsafreememory (pdi);
		}
	      lsaclose (lsa);
	    }
	}
      if (!psid)
        fprintf (stderr,
	        "WARNING: Group 513 couldn't get retrieved.  Try mkgroup -d\n");
      else
	print_special (print_sids, GetSidIdentifierAuthority (psid), 5,
				   *GetSidSubAuthority (psid, 0),
				   *GetSidSubAuthority (psid, 1),
				   *GetSidSubAuthority (psid, 2),
				   *GetSidSubAuthority (psid, 3),
				   513,
				   0,
				   0,
				   0);
    }

  if (print_domain)
    {
      if (domain_specified)
	rc = netgetdcname (NULL, domain_name, (LPBYTE *) & servername);

      else
	rc = netgetdcname (NULL, NULL, (LPBYTE *) & servername);

      if (rc != ERROR_SUCCESS)
	{
	  fprintf (stderr, "Cannot get PDC, code = %ld\n", rc);
	  return 1;
	}

      enum_groups (servername, print_sids, print_users, id_offset);
    }

  if (print_local)
    enum_local_groups (print_sids, print_users);

  return 0;
}