1  /* Copyright (c) 1997-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <rpcsvc/nis.h>
      19  #include <shlib-compat.h>
      20  
      21  #include "nis_xdr.h"
      22  #include "nis_intern.h"
      23  
      24  void
      25  nis_ping (const_nis_name dirname, unsigned int utime,
      26  	  const nis_object *dirobj)
      27  {
      28    nis_result *res = NULL;
      29    nis_object *obj;
      30    ping_args args;
      31    unsigned int i;
      32  
      33    if (dirname == NULL && dirobj == NULL)
      34      abort ();
      35  
      36    if (dirobj == NULL)
      37      {
      38        res = nis_lookup (dirname, MASTER_ONLY);
      39        if (res == NULL || NIS_RES_STATUS (res) != NIS_SUCCESS)
      40  	{
      41  	  nis_freeresult (res);
      42  	  return;
      43  	}
      44        obj = res->objects.objects_val;
      45      }
      46    else
      47      obj = (nis_object *) dirobj;
      48  
      49    /* Check if obj is really a diryectory object */
      50    if (__type_of (obj) != NIS_DIRECTORY_OBJ)
      51      {
      52        nis_freeresult (res);
      53        return;
      54      }
      55  
      56    if (dirname == NULL)
      57      args.dir = obj->DI_data.do_name;
      58    else
      59      args.dir = (char *) dirname;
      60    args.stamp = utime;
      61  
      62    /* Send the ping only to replicas */
      63    for (i = 1; i < obj->DI_data.do_servers.do_servers_len; ++i)
      64      __do_niscall2 (&obj->DI_data.do_servers.do_servers_val[i], 1,
      65  		   NIS_PING, (xdrproc_t) _xdr_ping_args,
      66  		   (caddr_t) &args, (xdrproc_t) xdr_void,
      67  		   (caddr_t) NULL, 0, NULL);
      68    nis_freeresult (res);
      69  }
      70  libnsl_hidden_nolink_def (nis_ping, GLIBC_2_1)