594 lines
14 KiB
C
594 lines
14 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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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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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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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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if (flags & FOLLOW_PATH || flags & ALL_RESULTS)
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{
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nis_result *lres;
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u_long newflags = flags & ~FOLLOW_PATH & ~ALL_RESULTS;
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char table_path[NIS_MAXPATH + 3];
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char *ntable, *p;
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u_long done = 0, failures = 0;
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while (names[name_nr] != NULL && !done)
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{
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lres = nis_lookup (names[name_nr], newflags | NO_AUTHINFO);
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if (lres == NULL || NIS_RES_STATUS (lres) != NIS_SUCCESS)
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{
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NIS_RES_STATUS (res) = NIS_RES_STATUS (lres);
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nis_freeresult (lres);
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++name_nr;
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continue;
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}
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/* nis_lookup handles FOLLOW_LINKS,
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so we must have a table object.*/
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if (__type_of (NIS_RES_OBJECT (lres)) != NIS_TABLE_OBJ)
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{
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nis_freeresult (lres);
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NIS_RES_STATUS (res) = NIS_INVALIDOBJ;
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break;
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}
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/* Save the path, discard everything else. */
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p = __stpncpy (table_path, names[name_nr], NIS_MAXPATH);
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*p++ = ':';
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p = __stpncpy (p, NIS_RES_OBJECT (lres)->TA_data.ta_path,
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NIS_MAXPATH - (p - table_path));
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*p = '\0';
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nis_freeresult (lres);
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free (res);
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res = NULL;
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p = table_path;
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while (((ntable = strsep (&p, ":")) != NULL) && !done)
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{
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char *c;
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if (res != NULL)
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nis_freeresult (res);
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/* Do the job recursive here! */
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if ((c = strchr(name, ']')) != NULL)
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{
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/* Have indexed name ! */
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int index_len = c - name + 2;
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char buf[index_len + strlen (ntable) + 1];
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c = __stpncpy (buf, name, index_len);
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strcpy (c, ntable);
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res = nis_list (buf, newflags, callback,userdata);
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}
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else
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res = nis_list (ntable, newflags, callback, userdata);
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if (res == NULL)
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return NULL;
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switch (NIS_RES_STATUS (res))
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{
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case NIS_SUCCESS:
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case NIS_CBRESULTS:
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if (!(flags & ALL_RESULTS))
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done = 1;
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break;
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case NIS_PARTIAL: /* The table is correct, we doesn't found
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the entry */
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break;
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default:
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if (flags & ALL_RESULTS)
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++failures;
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else
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done = 1;
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break;
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}
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}
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if (NIS_RES_STATUS (res) == NIS_SUCCESS && failures)
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NIS_RES_STATUS (res) = NIS_S_SUCCESS;
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if (NIS_RES_STATUS (res) == NIS_NOTFOUND && failures)
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NIS_RES_STATUS (res) = NIS_S_NOTFOUND;
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break;
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}
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}
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else
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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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while (!done)
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{
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memset (res, '\0', sizeof (nis_result));
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status = __do_niscall (ibreq->ibr_name, NIS_IBLIST,
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(xdrproc_t) _xdr_ib_request,
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(caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
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(caddr_t) res, flags, cb);
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if (status != NIS_SUCCESS)
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NIS_RES_STATUS (res) = status;
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switch (NIS_RES_STATUS (res))
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{
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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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/* 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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if (count_links)
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free (ibreq->ibr_name);
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++count_links;
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free (ibreq->ibr_name);
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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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}
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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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/* Calback is handled in nis_call.c (__do_niscall2),
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but we have to change the error code */
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NIS_RES_STATUS (res) = cb->result;
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++done;
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break;
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case NIS_UNAVAIL:
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/* NIS+ is not installed, or all servers are down. */
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++done;
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break;
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default:
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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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break;
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}
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}
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} /* End of not FOLLOW_PATH. */
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if (names != namebuf)
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nis_freenames (names);
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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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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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}
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ibreq->ibr_obj.ibr_obj_len = 1;
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if ((status = __do_niscall (ibreq->ibr_name, NIS_IBMODIFY,
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(xdrproc_t) _xdr_ib_request,
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(caddr_t) ibreq, (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_remove_entry (const_nis_name name, const nis_object *obj,
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u_long flags)
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{
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nis_result *res;
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ib_request *ibreq;
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nis_error status;
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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 (obj != NULL)
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{
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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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}
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if ((status = __do_niscall (ibreq->ibr_name, NIS_IBREMOVE,
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(xdrproc_t) _xdr_ib_request,
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(caddr_t) ibreq, (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_first_entry (const_nis_name name)
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{
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nis_result *res;
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ib_request *ibreq;
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nis_error status;
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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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{
|
|
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;
|
|
}
|