673 lines
16 KiB
C
673 lines
16 KiB
C
/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <string.h>
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#include <rpcsvc/nis.h>
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#include "nis_xdr.h"
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#include "nis_intern.h"
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static struct ib_request *
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__create_ib_request (const_nis_name name, u_long flags)
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{
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struct ib_request *ibreq = calloc (1, sizeof (ib_request));
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char buf[strlen (name) + 1];
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nis_attr *search_val = NULL;
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int search_len = 0;
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char *cptr;
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size_t size = 0;
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ibreq->ibr_flags = flags;
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cptr = strcpy (buf, name);
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/* Not of "[key=value,key=value,...],foo.." format? */
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if (cptr[0] != '[')
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{
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ibreq->ibr_name = strdup (cptr);
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return ibreq;
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}
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/* "[key=value,...],foo" format */
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ibreq->ibr_name = strchr (cptr, ']');
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if (ibreq->ibr_name == NULL || ibreq->ibr_name[1] != ',')
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return NULL;
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/* Check if we have an entry of "[key=value,],bar". If, remove the "," */
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if (ibreq->ibr_name[-1] == ',')
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ibreq->ibr_name[-1] = '\0';
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else
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ibreq->ibr_name[0] = '\0';
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ibreq->ibr_name += 2;
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ibreq->ibr_name = strdup (ibreq->ibr_name);
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++cptr; /* Remove "[" */
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while (cptr != NULL && cptr[0] != '\0')
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{
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char *key = cptr;
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char *val = strchr (cptr, '=');
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cptr = strchr (key, ',');
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if (cptr != NULL)
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*cptr++ = '\0';
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if (!val)
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{
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nis_free_request (ibreq);
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return NULL;
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}
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*val++ = '\0';
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if ((search_len + 1) >= size)
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{
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size += 1;
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if (size == 1)
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search_val = malloc (size * sizeof (nis_attr));
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else
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search_val = realloc (search_val, size * sizeof (nis_attr));
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if (search_val == NULL)
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{
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nis_free_request (ibreq);
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return NULL;
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}
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}
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search_val[search_len].zattr_ndx = strdup (key);
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if ((search_val[search_len].zattr_ndx) == NULL)
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{
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nis_free_request (ibreq);
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return NULL;
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}
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search_val[search_len].zattr_val.zattr_val_len = strlen (val) + 1;
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search_val[search_len].zattr_val.zattr_val_val = strdup (val);
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if (search_val[search_len].zattr_val.zattr_val_val == NULL)
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{
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nis_free_request (ibreq);
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return NULL;
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}
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++search_len;
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}
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ibreq->ibr_srch.ibr_srch_val = search_val;
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ibreq->ibr_srch.ibr_srch_len = search_len;
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return ibreq;
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}
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static struct timeval RPCTIMEOUT = {10, 0};
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static char *
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__get_tablepath (char *name, dir_binding *bptr)
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{
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enum clnt_stat result;
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nis_result *res = calloc (1, sizeof (nis_result));
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struct ns_request req;
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if (res == NULL)
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return NULL;
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req.ns_name = name;
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req.ns_object.ns_object_len = 0;
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req.ns_object.ns_object_val = NULL;
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result = clnt_call (bptr->clnt, NIS_LOOKUP, (xdrproc_t) _xdr_ns_request,
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(caddr_t) &req, (xdrproc_t) _xdr_nis_result,
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(caddr_t) res, RPCTIMEOUT);
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if (result == RPC_SUCCESS && NIS_RES_STATUS (res) == NIS_SUCCESS &&
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__type_of (NIS_RES_OBJECT (res)) == NIS_TABLE_OBJ)
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{
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char *cptr = strdup (NIS_RES_OBJECT (res)->TA_data.ta_path);
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nis_freeresult (res);
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return cptr;
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}
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else
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{
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nis_freeresult (res);
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return strdup ("");
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}
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}
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nis_result *
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nis_list (const_nis_name name, u_long flags,
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int (*callback) (const_nis_name name,
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const nis_object *object,
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const void *userdata),
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const void *userdata)
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{
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nis_result *res = NULL;
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ib_request *ibreq;
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int status;
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enum clnt_stat clnt_status;
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int count_links = 0; /* We will only follow NIS_MAXLINKS links! */
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int done = 0;
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nis_name *names;
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nis_name namebuf[2] = {NULL, NULL};
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int name_nr = 0;
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nis_cb *cb = NULL;
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char *tableptr, *tablepath = NULL;
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int have_tablepath = 0;
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int first_try = 0; /* Do we try the old binding at first ? */
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res = calloc (1, sizeof (nis_result));
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if (res == NULL)
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return NULL;
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if (name == NULL)
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{
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NIS_RES_STATUS (res) = NIS_BADNAME;
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return res;
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}
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if ((ibreq = __create_ib_request (name, flags)) == NULL)
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{
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NIS_RES_STATUS (res) = NIS_BADNAME;
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return res;
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}
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if ((flags & EXPAND_NAME) &&
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ibreq->ibr_name[strlen (ibreq->ibr_name) - 1] != '.')
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{
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names = nis_getnames (ibreq->ibr_name);
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free (ibreq->ibr_name);
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ibreq->ibr_name = NULL;
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if (names == NULL)
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{
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NIS_RES_STATUS (res) = NIS_BADNAME;
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return res;
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}
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ibreq->ibr_name = strdup (names[name_nr]);
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}
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else
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{
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names = namebuf;
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names[name_nr] = ibreq->ibr_name;
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}
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cb = NULL;
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while (!done)
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{
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dir_binding bptr;
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directory_obj *dir = NULL;
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memset (res, '\0', sizeof (nis_result));
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status = __nisfind_server (ibreq->ibr_name, &dir);
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if (status != NIS_SUCCESS)
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{
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NIS_RES_STATUS (res) = status;
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return res;
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}
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status = __nisbind_create (&bptr, dir->do_servers.do_servers_val,
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dir->do_servers.do_servers_len, flags);
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if (status != NIS_SUCCESS)
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{
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NIS_RES_STATUS (res) = status;
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nis_free_directory (dir);
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return res;
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}
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while (__nisbind_connect (&bptr) != NIS_SUCCESS)
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if (__nisbind_next (&bptr) != NIS_SUCCESS)
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{
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__nisbind_destroy (&bptr);
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nis_free_directory (dir);
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NIS_RES_STATUS (res) = NIS_NAMEUNREACHABLE;
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return res;
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}
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if (callback != NULL)
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{
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cb = __nis_create_callback (callback, userdata, flags);
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ibreq->ibr_cbhost.ibr_cbhost_len = 1;
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ibreq->ibr_cbhost.ibr_cbhost_val = cb->serv;
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}
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again:
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clnt_status = clnt_call (bptr.clnt, NIS_IBLIST,
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(xdrproc_t) _xdr_ib_request, (caddr_t) ibreq,
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(xdrproc_t) _xdr_nis_result,
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(caddr_t) res, RPCTIMEOUT);
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if (clnt_status != RPC_SUCCESS)
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NIS_RES_STATUS (res) = NIS_RPCERROR;
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else
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switch (NIS_RES_STATUS (res))
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{ /* start switch */
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case NIS_PARTIAL:
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case NIS_SUCCESS:
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case NIS_S_SUCCESS:
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if (__type_of (NIS_RES_OBJECT (res)) == NIS_LINK_OBJ &&
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flags & FOLLOW_LINKS) /* We are following links. */
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{
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free (ibreq->ibr_name);
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/* If we hit the link limit, bail. */
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if (count_links > NIS_MAXLINKS)
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{
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NIS_RES_STATUS (res) = NIS_LINKNAMEERROR;
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++done;
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break;
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}
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++count_links;
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ibreq->ibr_name =
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strdup (NIS_RES_OBJECT (res)->LI_data.li_name);
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if (NIS_RES_OBJECT (res)->LI_data.li_attrs.li_attrs_len)
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if (ibreq->ibr_srch.ibr_srch_len == 0)
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{
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ibreq->ibr_srch.ibr_srch_len =
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NIS_RES_OBJECT (res)->LI_data.li_attrs.li_attrs_len;
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ibreq->ibr_srch.ibr_srch_val =
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NIS_RES_OBJECT (res)->LI_data.li_attrs.li_attrs_val;
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}
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nis_freeresult (res);
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res = calloc (1, sizeof (nis_result));
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if (res == NULL)
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{
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if (have_tablepath)
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free (tablepath);
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__nisbind_destroy (&bptr);
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nis_free_directory (dir);
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return NULL;
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}
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first_try = 1; /* Try at first the old binding */
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goto again;
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}
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else if ((flags & FOLLOW_PATH) &&
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NIS_RES_STATUS (res) == NIS_PARTIAL)
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{
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if (!have_tablepath)
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{
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tablepath = __get_tablepath (ibreq->ibr_name, &bptr);
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tableptr = tablepath;
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have_tablepath = 1;
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}
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if (tableptr == NULL)
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{
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++done;
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break;
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}
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free (ibreq->ibr_name);
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ibreq->ibr_name = strsep (&tableptr, ":");
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if (ibreq->ibr_name == NULL || ibreq->ibr_name[0] == '\0')
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{
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ibreq->ibr_name = strdup ("");
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++done;
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}
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else
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{
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ibreq->ibr_name = strdup (ibreq->ibr_name);
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nis_freeresult (res);
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res = calloc (1, sizeof (nis_result));
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if (res == NULL)
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{
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if (have_tablepath)
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free (tablepath);
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__nisbind_destroy (&bptr);
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nis_free_directory (dir);
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return NULL;
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}
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first_try = 1;
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goto again;
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}
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}
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else
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++done;
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break;
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case NIS_CBRESULTS:
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if (cb != NULL)
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{
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__nis_do_callback (&bptr, &res->cookie, cb);
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NIS_RES_STATUS (res) = cb->result;
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if (!(flags & ALL_RESULTS))
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++done;
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else
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{
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if (!have_tablepath)
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{
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tablepath = __get_tablepath (ibreq->ibr_name, &bptr);
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tableptr = tablepath;
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have_tablepath = 1;
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}
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if (tableptr == NULL)
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{
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++done;
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break;
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}
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free (ibreq->ibr_name);
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ibreq->ibr_name = strsep (&tableptr, ":");
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if (ibreq->ibr_name == NULL || ibreq->ibr_name[0] == '\0')
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{
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ibreq->ibr_name = strdup ("");
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++done;
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}
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else
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ibreq->ibr_name = strdup (ibreq->ibr_name);
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}
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}
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break;
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case NIS_SYSTEMERROR:
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case NIS_NOSUCHNAME:
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case NIS_NOT_ME:
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/* If we had first tried the old binding, do nothing, but
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get a new binding */
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if (!first_try)
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{
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if (__nisbind_next (&bptr) != NIS_SUCCESS)
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{
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++done;
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break; /* No more servers to search */
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}
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while (__nisbind_connect (&bptr) != NIS_SUCCESS)
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{
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if (__nisbind_next (&bptr) != NIS_SUCCESS)
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{
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++done;
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break; /* No more servers to search */
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}
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}
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goto again;
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}
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break;
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default:
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if (!first_try)
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{
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/* Try the next domainname if we don't follow a link. */
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if (count_links)
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{
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free (ibreq->ibr_name);
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NIS_RES_STATUS (res) = NIS_LINKNAMEERROR;
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++done;
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break;
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}
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++name_nr;
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if (names[name_nr] == NULL)
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{
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++done;
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break;
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}
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ibreq->ibr_name = names[name_nr];
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first_try = 1; /* Try old binding at first */
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goto again;
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}
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break;
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}
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first_try = 0;
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if (cb)
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{
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__nis_destroy_callback (cb);
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ibreq->ibr_cbhost.ibr_cbhost_len = 0;
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ibreq->ibr_cbhost.ibr_cbhost_val = NULL;
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}
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__nisbind_destroy (&bptr);
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nis_free_directory (dir);
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}
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if (names != namebuf)
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nis_freenames (names);
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nis_free_request (ibreq);
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return res;
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}
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nis_result *
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nis_add_entry (const_nis_name name, const nis_object *obj2, u_long flags)
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{
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nis_object obj;
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nis_result *res;
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nis_error status;
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ib_request *ibreq;
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size_t namelen = strlen (name);
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char buf1[namelen + 20];
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char buf4[namelen + 20];
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res = calloc (1, sizeof (nis_result));
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if (res == NULL)
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return NULL;
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if (name == NULL)
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{
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NIS_RES_STATUS (res) = NIS_BADNAME;
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return res;
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}
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if ((ibreq = __create_ib_request (name, flags)) == NULL)
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{
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NIS_RES_STATUS (res) = NIS_BADNAME;
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return res;
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}
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memcpy (&obj, obj2, sizeof (nis_object));
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if (obj.zo_name == NULL || strlen (obj.zo_name) == 0)
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obj.zo_name = nis_leaf_of_r (name, buf1, sizeof (buf1));
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if (obj.zo_owner == NULL || strlen (obj.zo_owner) == 0)
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obj.zo_owner = nis_local_principal ();
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if (obj.zo_group == NULL || strlen (obj.zo_group) == 0)
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obj.zo_group = nis_local_group ();
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obj.zo_domain = nis_domain_of_r (name, buf4, sizeof (buf4));
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ibreq->ibr_obj.ibr_obj_val = nis_clone_object (&obj, NULL);
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if (ibreq->ibr_obj.ibr_obj_val == NULL)
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{
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NIS_RES_STATUS (res) = NIS_NOMEMORY;
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return res;
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}
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ibreq->ibr_obj.ibr_obj_len = 1;
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if ((status = __do_niscall (ibreq->ibr_name, NIS_IBADD,
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(xdrproc_t) _xdr_ib_request,
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(caddr_t) ibreq,
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(xdrproc_t) _xdr_nis_result,
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(caddr_t) res, 0, NULL)) != NIS_SUCCESS)
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NIS_RES_STATUS (res) = status;
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nis_free_request (ibreq);
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return res;
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}
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nis_result *
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nis_modify_entry (const_nis_name name, const nis_object *obj2, u_long flags)
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{
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nis_object obj;
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nis_result *res;
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nis_error status;
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ib_request *ibreq;
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size_t namelen = strlen (name);
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char buf1[namelen + 20];
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char buf4[namelen + 20];
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res = calloc (1, sizeof (nis_result));
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if (res == NULL)
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return NULL;
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if (( ibreq =__create_ib_request (name, flags)) == NULL)
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{
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NIS_RES_STATUS (res) = NIS_BADNAME;
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return res;
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}
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memcpy (&obj, obj2, sizeof (nis_object));
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if (obj.zo_name == NULL || strlen (obj.zo_name) == 0)
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obj.zo_name = nis_leaf_of_r (name, buf1, sizeof (buf1));
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if (obj.zo_owner == NULL || strlen (obj.zo_owner) == 0)
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obj.zo_owner = nis_local_principal ();
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if (obj.zo_group == NULL || strlen (obj.zo_group) == 0)
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obj.zo_group = nis_local_group ();
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obj.zo_domain = nis_domain_of_r (name, buf4, sizeof (buf4));
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ibreq->ibr_obj.ibr_obj_val = nis_clone_object (&obj, NULL);
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if (ibreq->ibr_obj.ibr_obj_val == NULL)
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{
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NIS_RES_STATUS (res) = NIS_NOMEMORY;
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return res;
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}
|
|
ibreq->ibr_obj.ibr_obj_len = 1;
|
|
|
|
if ((status = __do_niscall (ibreq->ibr_name, NIS_IBMODIFY,
|
|
(xdrproc_t) _xdr_ib_request,
|
|
(caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
|
|
(caddr_t) res, 0, NULL)) != NIS_SUCCESS)
|
|
NIS_RES_STATUS (res) = status;
|
|
|
|
nis_free_request (ibreq);
|
|
|
|
return res;
|
|
}
|
|
|
|
nis_result *
|
|
nis_remove_entry (const_nis_name name, const nis_object *obj,
|
|
u_long flags)
|
|
{
|
|
nis_result *res;
|
|
ib_request *ibreq;
|
|
nis_error status;
|
|
|
|
res = calloc (1, sizeof (nis_result));
|
|
if (res == NULL)
|
|
return NULL;
|
|
|
|
if (name == NULL)
|
|
{
|
|
NIS_RES_STATUS (res) = NIS_BADNAME;
|
|
return res;
|
|
}
|
|
|
|
if ((ibreq =__create_ib_request (name, flags)) == NULL)
|
|
{
|
|
NIS_RES_STATUS (res) = NIS_BADNAME;
|
|
return res;
|
|
}
|
|
|
|
if (obj != NULL)
|
|
{
|
|
ibreq->ibr_obj.ibr_obj_val = nis_clone_object (obj, NULL);
|
|
if (ibreq->ibr_obj.ibr_obj_val == NULL)
|
|
{
|
|
NIS_RES_STATUS (res) = NIS_NOMEMORY;
|
|
return res;
|
|
}
|
|
ibreq->ibr_obj.ibr_obj_len = 1;
|
|
}
|
|
|
|
if ((status = __do_niscall (ibreq->ibr_name, NIS_IBREMOVE,
|
|
(xdrproc_t) _xdr_ib_request,
|
|
(caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
|
|
(caddr_t) res, 0, NULL)) != NIS_SUCCESS)
|
|
NIS_RES_STATUS (res) = status;
|
|
|
|
nis_free_request (ibreq);
|
|
|
|
return res;
|
|
}
|
|
|
|
nis_result *
|
|
nis_first_entry (const_nis_name name)
|
|
{
|
|
nis_result *res;
|
|
ib_request *ibreq;
|
|
nis_error status;
|
|
|
|
res = calloc (1, sizeof (nis_result));
|
|
if (res == NULL)
|
|
return NULL;
|
|
|
|
if (name == NULL)
|
|
{
|
|
NIS_RES_STATUS (res) = NIS_BADNAME;
|
|
return res;
|
|
}
|
|
|
|
if ((ibreq =__create_ib_request (name, 0)) == NULL)
|
|
{
|
|
NIS_RES_STATUS (res) = NIS_BADNAME;
|
|
return res;
|
|
}
|
|
|
|
if ((status = __do_niscall (ibreq->ibr_name, NIS_IBFIRST,
|
|
(xdrproc_t) _xdr_ib_request,
|
|
(caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
|
|
(caddr_t) res, 0, NULL)) != NIS_SUCCESS)
|
|
NIS_RES_STATUS (res) = status;
|
|
|
|
nis_free_request (ibreq);
|
|
|
|
return res;
|
|
}
|
|
|
|
nis_result *
|
|
nis_next_entry (const_nis_name name, const netobj *cookie)
|
|
{
|
|
nis_result *res;
|
|
ib_request *ibreq;
|
|
nis_error status;
|
|
|
|
res = calloc (1, sizeof (nis_result));
|
|
if (res == NULL)
|
|
return NULL;
|
|
|
|
if (name == NULL)
|
|
{
|
|
NIS_RES_STATUS (res) = NIS_BADNAME;
|
|
return res;
|
|
}
|
|
|
|
if (( ibreq =__create_ib_request (name, 0)) == NULL)
|
|
{
|
|
NIS_RES_STATUS (res) = NIS_BADNAME;
|
|
return res;
|
|
}
|
|
|
|
if (cookie != NULL)
|
|
{
|
|
ibreq->ibr_cookie.n_bytes = cookie->n_bytes;
|
|
ibreq->ibr_cookie.n_len = cookie->n_len;
|
|
}
|
|
|
|
if ((status = __do_niscall (ibreq->ibr_name, NIS_IBNEXT,
|
|
(xdrproc_t) _xdr_ib_request,
|
|
(caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
|
|
(caddr_t) res, 0, NULL)) != NIS_SUCCESS)
|
|
NIS_RES_STATUS (res) = status;
|
|
|
|
if (cookie != NULL)
|
|
{
|
|
/* Don't give cookie free, it is not from us */
|
|
ibreq->ibr_cookie.n_bytes = NULL;
|
|
ibreq->ibr_cookie.n_len = 0;
|
|
}
|
|
|
|
nis_free_request (ibreq);
|
|
|
|
return res;
|
|
}
|