1 /* Copyright (c) 1997,1998,1999,2003,2004,2005 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 #include <rpcsvc/nis.h>
24 #include "nis_intern.h"
27 static struct ib_request
*
28 __create_ib_request (const_nis_name name
, unsigned int flags
)
30 struct ib_request
*ibreq
= calloc (1, sizeof (struct ib_request
));
31 nis_attr
*search_val
= NULL
;
32 size_t search_len
= 0;
38 ibreq
->ibr_flags
= flags
;
40 char *cptr
= strdupa (name
);
42 /* Not of "[key=value,key=value,...],foo.." format? */
44 return (ibreq
->ibr_name
= strdup (cptr
)) == NULL
? NULL
: ibreq
;
46 /* "[key=value,...],foo" format */
47 ibreq
->ibr_name
= strchr (cptr
, ']');
48 if (ibreq
->ibr_name
== NULL
|| ibreq
->ibr_name
[1] != ',')
50 /* The object has not really been built yet so we use free. */
55 /* Check if we have an entry of "[key=value,],bar". If, remove the "," */
56 if (ibreq
->ibr_name
[-1] == ',')
57 ibreq
->ibr_name
[-1] = '\0';
59 ibreq
->ibr_name
[0] = '\0';
61 ibreq
->ibr_name
= strdup (ibreq
->ibr_name
);
62 if (ibreq
->ibr_name
== NULL
)
65 while (search_len
-- > 0)
67 free (search_val
[search_len
].zattr_ndx
);
68 free (search_val
[search_len
].zattr_val
.zattr_val_val
);
71 nis_free_request (ibreq
);
75 ++cptr
; /* Remove "[" */
77 while (cptr
!= NULL
&& cptr
[0] != '\0')
80 char *val
= strchr (cptr
, '=');
82 cptr
= strchr (key
, ',');
88 nis_free_request (ibreq
);
92 if ((search_len
+ 1) >= size
)
95 nis_attr
*newp
= realloc (search_val
, size
* sizeof (nis_attr
));
100 search_val
[search_len
].zattr_ndx
= strdup (key
);
101 if ((search_val
[search_len
].zattr_ndx
) == NULL
)
104 search_val
[search_len
].zattr_val
.zattr_val_len
= strlen (val
) + 1;
105 search_val
[search_len
].zattr_val
.zattr_val_val
= strdup (val
);
106 if (search_val
[search_len
].zattr_val
.zattr_val_val
== NULL
)
108 free (search_val
[search_len
].zattr_ndx
);
115 ibreq
->ibr_srch
.ibr_srch_val
= search_val
;
116 ibreq
->ibr_srch
.ibr_srch_len
= search_len
;
121 static const struct timeval RPCTIMEOUT
= {10, 0};
124 __get_tablepath (char *name
, dir_binding
*bptr
)
126 enum clnt_stat result
;
128 struct ns_request req
;
130 memset (&res
, '\0', sizeof (res
));
133 req
.ns_object
.ns_object_len
= 0;
134 req
.ns_object
.ns_object_val
= NULL
;
136 result
= clnt_call (bptr
->clnt
, NIS_LOOKUP
, (xdrproc_t
) _xdr_ns_request
,
137 (caddr_t
) &req
, (xdrproc_t
) _xdr_nis_result
,
138 (caddr_t
) &res
, RPCTIMEOUT
);
141 if (result
== RPC_SUCCESS
&& NIS_RES_STATUS (&res
) == NIS_SUCCESS
142 && __type_of (NIS_RES_OBJECT (&res
)) == NIS_TABLE_OBJ
)
143 cptr
= NIS_RES_OBJECT (&res
)->TA_data
.ta_path
;
147 return strdup (cptr
);
151 nis_list (const_nis_name name
, unsigned int flags
,
152 int (*callback
) (const_nis_name name
,
153 const nis_object
*object
,
154 const void *userdata
),
155 const void *userdata
)
157 nis_result
*res
= calloc (1, sizeof (nis_result
));
160 enum clnt_stat clnt_status
;
161 int count_links
= 0; /* We will only follow NIS_MAXLINKS links! */
164 nis_name namebuf
[2] = {NULL
, NULL
};
168 char *tablepath
= NULL
;
169 int first_try
= 0; /* Do we try the old binding at first ? */
176 NIS_RES_STATUS (res
) = NIS_BADNAME
;
180 if ((ibreq
= __create_ib_request (name
, flags
)) == NULL
)
182 NIS_RES_STATUS (res
) = NIS_BADNAME
;
186 if ((flags
& EXPAND_NAME
)
187 && ibreq
->ibr_name
[strlen (ibreq
->ibr_name
) - 1] != '.')
189 names
= nis_getnames (ibreq
->ibr_name
);
190 free (ibreq
->ibr_name
);
191 ibreq
->ibr_name
= NULL
;
194 nis_free_request (ibreq
);
195 NIS_RES_STATUS (res
) = NIS_BADNAME
;
198 ibreq
->ibr_name
= strdup (names
[name_nr
]);
199 if (ibreq
->ibr_name
== NULL
)
201 nis_freenames (names
);
202 nis_free_request (ibreq
);
203 NIS_RES_STATUS (res
) = NIS_NOMEMORY
;
210 names
[name_nr
] = ibreq
->ibr_name
;
218 directory_obj
*dir
= NULL
;
220 memset (res
, '\0', sizeof (nis_result
));
222 status
= __nisfind_server (ibreq
->ibr_name
, &dir
);
223 if (status
!= NIS_SUCCESS
)
225 NIS_RES_STATUS (res
) = status
;
229 status
= __nisbind_create (&bptr
, dir
->do_servers
.do_servers_val
,
230 dir
->do_servers
.do_servers_len
, flags
);
231 if (status
!= NIS_SUCCESS
)
233 NIS_RES_STATUS (res
) = status
;
237 while (__nisbind_connect (&bptr
) != NIS_SUCCESS
)
238 if (__nisbind_next (&bptr
) != NIS_SUCCESS
)
240 NIS_RES_STATUS (res
) = NIS_NAMEUNREACHABLE
;
244 if (callback
!= NULL
)
246 cb
= __nis_create_callback (callback
, userdata
, flags
);
247 ibreq
->ibr_cbhost
.ibr_cbhost_len
= 1;
248 ibreq
->ibr_cbhost
.ibr_cbhost_val
= cb
->serv
;
252 clnt_status
= clnt_call (bptr
.clnt
, NIS_IBLIST
,
253 (xdrproc_t
) _xdr_ib_request
, (caddr_t
) ibreq
,
254 (xdrproc_t
) _xdr_nis_result
,
255 (caddr_t
) res
, RPCTIMEOUT
);
257 if (clnt_status
!= RPC_SUCCESS
)
258 NIS_RES_STATUS (res
) = NIS_RPCERROR
;
260 switch (NIS_RES_STATUS (res
))
265 if (__type_of (NIS_RES_OBJECT (res
)) == NIS_LINK_OBJ
266 && (flags
& FOLLOW_LINKS
)) /* We are following links. */
268 free (ibreq
->ibr_name
);
269 ibreq
->ibr_name
= NULL
;
270 /* If we hit the link limit, bail. */
271 if (count_links
> NIS_MAXLINKS
)
273 NIS_RES_STATUS (res
) = NIS_LINKNAMEERROR
;
279 strdup (NIS_RES_OBJECT (res
)->LI_data
.li_name
);
280 if (ibreq
->ibr_name
== NULL
)
282 NIS_RES_STATUS (res
) = NIS_NOMEMORY
;
284 __nisbind_destroy (&bptr
);
286 nis_free_directory (dir
);
291 __nis_destroy_callback (cb
);
292 ibreq
->ibr_cbhost
.ibr_cbhost_len
= 0;
293 ibreq
->ibr_cbhost
.ibr_cbhost_val
= NULL
;
295 if (names
!= namebuf
)
296 nis_freenames (names
);
297 nis_free_request (ibreq
);
300 if (NIS_RES_OBJECT (res
)->LI_data
.li_attrs
.li_attrs_len
)
301 if (ibreq
->ibr_srch
.ibr_srch_len
== 0)
303 ibreq
->ibr_srch
.ibr_srch_len
=
304 NIS_RES_OBJECT (res
)->LI_data
.li_attrs
.li_attrs_len
;
305 ibreq
->ibr_srch
.ibr_srch_val
=
306 NIS_RES_OBJECT (res
)->LI_data
.li_attrs
.li_attrs_val
;
308 /* The following is a non-obvious optimization. A
309 nis_freeresult call would call xdr_free as the
310 following code. But it also would unnecessarily
311 free the result structure. We avoid this here
312 along with the necessary tests. */
314 xdr_free ((xdrproc_t
) _xdr_nis_result
, (char *)res
);
315 memset (res
, '\0', sizeof (*res
));
317 nis_freeresult (res
);
318 res
= calloc (1, sizeof (nis_result
));
322 first_try
= 1; /* Try at first the old binding */
325 else if ((flags
& FOLLOW_PATH
)
326 && NIS_RES_STATUS (res
) == NIS_PARTIAL
)
328 if (tablepath
== NULL
)
330 tablepath
= __get_tablepath (ibreq
->ibr_name
, &bptr
);
331 tableptr
= tablepath
;
333 if (tableptr
== NULL
)
338 free (ibreq
->ibr_name
);
339 ibreq
->ibr_name
= strsep (&tableptr
, ":");
340 if (ibreq
->ibr_name
== NULL
|| ibreq
->ibr_name
[0] == '\0')
342 ibreq
->ibr_name
= strdup ("");
343 if (ibreq
->ibr_name
== NULL
)
345 NIS_RES_STATUS (res
) = NIS_NOMEMORY
;
352 ibreq
->ibr_name
= strdup (ibreq
->ibr_name
);
353 /* The following is a non-obvious optimization. A
354 nis_freeresult call would call xdr_free as the
355 following code. But it also would unnecessarily
356 free the result structure. We avoid this here
357 along with the necessary tests. */
359 xdr_free ((xdrproc_t
) _xdr_nis_result
, (char *)res
);
360 memset (res
, '\0', sizeof (*res
));
361 if (ibreq
->ibr_name
== NULL
)
363 NIS_RES_STATUS (res
) = NIS_NOMEMORY
;
367 nis_freeresult (res
);
368 res
= calloc (1, sizeof (nis_result
));
369 if (res
== NULL
|| ibreq
->ibr_name
== NULL
)
386 __nis_do_callback (&bptr
, &res
->cookie
, cb
);
387 NIS_RES_STATUS (res
) = cb
->result
;
389 if (!(flags
& ALL_RESULTS
))
393 if (tablepath
== NULL
)
395 tablepath
= __get_tablepath (ibreq
->ibr_name
, &bptr
);
396 tableptr
= tablepath
;
398 if (tableptr
== NULL
)
403 free (ibreq
->ibr_name
);
404 ibreq
->ibr_name
= strsep (&tableptr
, ":");
405 if (ibreq
->ibr_name
== NULL
|| ibreq
->ibr_name
[0] == '\0')
407 ibreq
->ibr_name
= strdup ("");
411 ibreq
->ibr_name
= strdup (ibreq
->ibr_name
);
412 if (ibreq
->ibr_name
== NULL
)
414 NIS_RES_STATUS (res
) = NIS_NOMEMORY
;
420 case NIS_SYSTEMERROR
:
423 /* If we had first tried the old binding, do nothing, but
427 if (__nisbind_next (&bptr
) != NIS_SUCCESS
)
430 break; /* No more servers to search */
432 while (__nisbind_connect (&bptr
) != NIS_SUCCESS
)
434 if (__nisbind_next (&bptr
) != NIS_SUCCESS
)
437 break; /* No more servers to search */
446 /* Try the next domainname if we don't follow a link. */
447 free (ibreq
->ibr_name
);
448 ibreq
->ibr_name
= NULL
;
451 NIS_RES_STATUS (res
) = NIS_LINKNAMEERROR
;
456 if (names
[name_nr
] == NULL
)
461 ibreq
->ibr_name
= strdup (names
[name_nr
]);
462 if (ibreq
->ibr_name
== NULL
)
464 NIS_RES_STATUS (res
) = NIS_NOMEMORY
;
467 first_try
= 1; /* Try old binding at first */
476 __nis_destroy_callback (cb
);
477 ibreq
->ibr_cbhost
.ibr_cbhost_len
= 0;
478 ibreq
->ibr_cbhost
.ibr_cbhost_val
= NULL
;
482 __nisbind_destroy (&bptr
);
483 nis_free_directory (dir
);
488 if (names
!= namebuf
)
489 nis_freenames (names
);
491 nis_free_request (ibreq
);
495 libnsl_hidden_def (nis_list
)
498 nis_add_entry (const_nis_name name
, const nis_object
*obj2
, unsigned int flags
)
504 size_t namelen
= strlen (name
);
505 char buf1
[namelen
+ 20];
506 char buf4
[namelen
+ 20];
508 res
= calloc (1, sizeof (nis_result
));
514 NIS_RES_STATUS (res
) = NIS_BADNAME
;
518 if ((ibreq
= __create_ib_request (name
, flags
)) == NULL
)
520 NIS_RES_STATUS (res
) = NIS_BADNAME
;
524 memcpy (&obj
, obj2
, sizeof (nis_object
));
526 if (obj
.zo_name
== NULL
|| strlen (obj
.zo_name
) == 0)
527 obj
.zo_name
= nis_leaf_of_r (name
, buf1
, sizeof (buf1
));
529 if (obj
.zo_owner
== NULL
|| strlen (obj
.zo_owner
) == 0)
530 obj
.zo_owner
= nis_local_principal ();
532 if (obj
.zo_group
== NULL
|| strlen (obj
.zo_group
) == 0)
533 obj
.zo_group
= nis_local_group ();
535 obj
.zo_domain
= nis_domain_of_r (name
, buf4
, sizeof (buf4
));
537 ibreq
->ibr_obj
.ibr_obj_val
= nis_clone_object (&obj
, NULL
);
538 if (ibreq
->ibr_obj
.ibr_obj_val
== NULL
)
540 nis_free_request (ibreq
);
541 NIS_RES_STATUS (res
) = NIS_NOMEMORY
;
544 ibreq
->ibr_obj
.ibr_obj_len
= 1;
546 if ((status
= __do_niscall (ibreq
->ibr_name
, NIS_IBADD
,
547 (xdrproc_t
) _xdr_ib_request
,
549 (xdrproc_t
) _xdr_nis_result
,
550 (caddr_t
) res
, 0, NULL
)) != NIS_SUCCESS
)
551 NIS_RES_STATUS (res
) = status
;
553 nis_free_request (ibreq
);
559 nis_modify_entry (const_nis_name name
, const nis_object
*obj2
,
566 size_t namelen
= strlen (name
);
567 char buf1
[namelen
+ 20];
568 char buf4
[namelen
+ 20];
570 res
= calloc (1, sizeof (nis_result
));
574 if (( ibreq
=__create_ib_request (name
, flags
)) == NULL
)
576 NIS_RES_STATUS (res
) = NIS_BADNAME
;
580 memcpy (&obj
, obj2
, sizeof (nis_object
));
582 if (obj
.zo_name
== NULL
|| strlen (obj
.zo_name
) == 0)
583 obj
.zo_name
= nis_leaf_of_r (name
, buf1
, sizeof (buf1
));
585 if (obj
.zo_owner
== NULL
|| strlen (obj
.zo_owner
) == 0)
586 obj
.zo_owner
= nis_local_principal ();
588 if (obj
.zo_group
== NULL
|| strlen (obj
.zo_group
) == 0)
589 obj
.zo_group
= nis_local_group ();
591 obj
.zo_domain
= nis_domain_of_r (name
, buf4
, sizeof (buf4
));
593 ibreq
->ibr_obj
.ibr_obj_val
= nis_clone_object (&obj
, NULL
);
594 if (ibreq
->ibr_obj
.ibr_obj_val
== NULL
)
596 nis_free_request (ibreq
);
597 NIS_RES_STATUS (res
) = NIS_NOMEMORY
;
600 ibreq
->ibr_obj
.ibr_obj_len
= 1;
602 if ((status
= __do_niscall (ibreq
->ibr_name
, NIS_IBMODIFY
,
603 (xdrproc_t
) _xdr_ib_request
,
604 (caddr_t
) ibreq
, (xdrproc_t
) _xdr_nis_result
,
605 (caddr_t
) res
, 0, NULL
)) != NIS_SUCCESS
)
606 NIS_RES_STATUS (res
) = status
;
608 nis_free_request (ibreq
);
614 nis_remove_entry (const_nis_name name
, const nis_object
*obj
,
621 res
= calloc (1, sizeof (nis_result
));
627 NIS_RES_STATUS (res
) = NIS_BADNAME
;
631 if ((ibreq
=__create_ib_request (name
, flags
)) == NULL
)
633 NIS_RES_STATUS (res
) = NIS_BADNAME
;
639 ibreq
->ibr_obj
.ibr_obj_val
= nis_clone_object (obj
, NULL
);
640 if (ibreq
->ibr_obj
.ibr_obj_val
== NULL
)
642 nis_free_request (ibreq
);
643 NIS_RES_STATUS (res
) = NIS_NOMEMORY
;
646 ibreq
->ibr_obj
.ibr_obj_len
= 1;
649 if ((status
= __do_niscall (ibreq
->ibr_name
, NIS_IBREMOVE
,
650 (xdrproc_t
) _xdr_ib_request
,
651 (caddr_t
) ibreq
, (xdrproc_t
) _xdr_nis_result
,
652 (caddr_t
) res
, 0, NULL
)) != NIS_SUCCESS
)
653 NIS_RES_STATUS (res
) = status
;
655 nis_free_request (ibreq
);
661 nis_first_entry (const_nis_name name
)
667 res
= calloc (1, sizeof (nis_result
));
673 NIS_RES_STATUS (res
) = NIS_BADNAME
;
677 ibreq
= __create_ib_request (name
, 0);
680 NIS_RES_STATUS (res
) = NIS_BADNAME
;
684 status
= __do_niscall (ibreq
->ibr_name
, NIS_IBFIRST
,
685 (xdrproc_t
) _xdr_ib_request
,
686 (caddr_t
) ibreq
, (xdrproc_t
) _xdr_nis_result
,
687 (caddr_t
) res
, 0, NULL
);
689 if (status
!= NIS_SUCCESS
)
690 NIS_RES_STATUS (res
) = status
;
692 nis_free_request (ibreq
);
698 nis_next_entry (const_nis_name name
, const netobj
*cookie
)
704 res
= calloc (1, sizeof (nis_result
));
710 NIS_RES_STATUS (res
) = NIS_BADNAME
;
714 ibreq
= __create_ib_request (name
, 0);
717 NIS_RES_STATUS (res
) = NIS_BADNAME
;
723 ibreq
->ibr_cookie
.n_bytes
= cookie
->n_bytes
;
724 ibreq
->ibr_cookie
.n_len
= cookie
->n_len
;
727 status
= __do_niscall (ibreq
->ibr_name
, NIS_IBNEXT
,
728 (xdrproc_t
) _xdr_ib_request
,
729 (caddr_t
) ibreq
, (xdrproc_t
) _xdr_nis_result
,
730 (caddr_t
) res
, 0, NULL
);
732 if (status
!= NIS_SUCCESS
)
733 NIS_RES_STATUS (res
) = status
;
737 /* Don't give cookie free, it is not from us */
738 ibreq
->ibr_cookie
.n_bytes
= NULL
;
739 ibreq
->ibr_cookie
.n_len
= 0;
742 nis_free_request (ibreq
);