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04277e02 | 1 | /* Copyright (c) 1997-2019 Free Software Foundation, Inc. |
e61abf83 | 2 | This file is part of the GNU C Library. |
3d8fa13a | 3 | Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997. |
e61abf83 UD |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
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. | |
e61abf83 UD |
9 | |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
e61abf83 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
e61abf83 | 18 | |
a17fa610 | 19 | #include <assert.h> |
e61abf83 UD |
20 | #include <string.h> |
21 | #include <rpcsvc/nis.h> | |
9090848d | 22 | #include <libc-diag.h> |
82f43dd2 | 23 | #include <shlib-compat.h> |
91eee4dd UD |
24 | |
25 | #include "nis_xdr.h" | |
e61abf83 | 26 | #include "nis_intern.h" |
a17fa610 | 27 | #include "libnsl.h" |
e61abf83 | 28 | |
d6db1d53 | 29 | |
a17fa610 UD |
30 | struct ib_request * |
31 | __create_ib_request (const_nis_name name, unsigned int flags) | |
e61abf83 | 32 | { |
3218d55b | 33 | struct ib_request *ibreq = calloc (1, sizeof (struct ib_request)); |
d6db1d53 | 34 | nis_attr *search_val = NULL; |
8112cc70 | 35 | size_t search_len = 0; |
d6db1d53 | 36 | size_t size = 0; |
e61abf83 | 37 | |
3d8fa13a UD |
38 | if (ibreq == NULL) |
39 | return NULL; | |
40 | ||
d6db1d53 | 41 | ibreq->ibr_flags = flags; |
e61abf83 | 42 | |
3218d55b | 43 | char *cptr = strdupa (name); |
e61abf83 UD |
44 | |
45 | /* Not of "[key=value,key=value,...],foo.." format? */ | |
46 | if (cptr[0] != '[') | |
0292b0dd UD |
47 | { |
48 | ibreq->ibr_name = strdup (cptr); | |
49 | if (ibreq->ibr_name == NULL) | |
50 | { | |
51 | free (ibreq); | |
52 | return NULL; | |
53 | } | |
54 | return ibreq; | |
55 | } | |
e61abf83 | 56 | |
d6db1d53 UD |
57 | /* "[key=value,...],foo" format */ |
58 | ibreq->ibr_name = strchr (cptr, ']'); | |
59 | if (ibreq->ibr_name == NULL || ibreq->ibr_name[1] != ',') | |
3d8fa13a | 60 | { |
3218d55b UD |
61 | /* The object has not really been built yet so we use free. */ |
62 | free (ibreq); | |
3d8fa13a UD |
63 | return NULL; |
64 | } | |
e61abf83 | 65 | |
9be31a51 | 66 | /* Check if we have an entry of "[key=value,],bar". If, remove the "," */ |
d6db1d53 UD |
67 | if (ibreq->ibr_name[-1] == ',') |
68 | ibreq->ibr_name[-1] = '\0'; | |
69 | else | |
70 | ibreq->ibr_name[0] = '\0'; | |
71 | ibreq->ibr_name += 2; | |
72 | ibreq->ibr_name = strdup (ibreq->ibr_name); | |
32abdb71 | 73 | if (ibreq->ibr_name == NULL) |
9be31a51 UD |
74 | { |
75 | free_null: | |
76 | while (search_len-- > 0) | |
77 | { | |
78 | free (search_val[search_len].zattr_ndx); | |
79 | free (search_val[search_len].zattr_val.zattr_val_val); | |
80 | } | |
81 | free (search_val); | |
82 | nis_free_request (ibreq); | |
83 | return NULL; | |
84 | } | |
e61abf83 | 85 | |
d6db1d53 | 86 | ++cptr; /* Remove "[" */ |
e61abf83 | 87 | |
d6db1d53 | 88 | while (cptr != NULL && cptr[0] != '\0') |
e61abf83 | 89 | { |
d6db1d53 UD |
90 | char *key = cptr; |
91 | char *val = strchr (cptr, '='); | |
92 | ||
93 | cptr = strchr (key, ','); | |
94 | if (cptr != NULL) | |
95 | *cptr++ = '\0'; | |
e61abf83 | 96 | |
a1ffb40e | 97 | if (__glibc_unlikely (val == NULL)) |
e61abf83 | 98 | { |
d6db1d53 UD |
99 | nis_free_request (ibreq); |
100 | return NULL; | |
e61abf83 | 101 | } |
d6db1d53 | 102 | *val++ = '\0'; |
fff04b32 | 103 | if (search_len + 1 >= size) |
ab26144e UD |
104 | { |
105 | size += 1; | |
458901c6 UD |
106 | nis_attr *newp = realloc (search_val, size * sizeof (nis_attr)); |
107 | if (newp == NULL) | |
9be31a51 | 108 | goto free_null; |
458901c6 | 109 | search_val = newp; |
e61abf83 | 110 | } |
d6db1d53 | 111 | search_val[search_len].zattr_ndx = strdup (key); |
fff04b32 | 112 | if (search_val[search_len].zattr_ndx == NULL) |
9be31a51 | 113 | goto free_null; |
32abdb71 | 114 | |
d6db1d53 UD |
115 | search_val[search_len].zattr_val.zattr_val_len = strlen (val) + 1; |
116 | search_val[search_len].zattr_val.zattr_val_val = strdup (val); | |
117 | if (search_val[search_len].zattr_val.zattr_val_val == NULL) | |
9be31a51 UD |
118 | { |
119 | free (search_val[search_len].zattr_ndx); | |
120 | goto free_null; | |
121 | } | |
32abdb71 | 122 | |
d6db1d53 | 123 | ++search_len; |
e61abf83 | 124 | } |
e61abf83 | 125 | |
d6db1d53 UD |
126 | ibreq->ibr_srch.ibr_srch_val = search_val; |
127 | ibreq->ibr_srch.ibr_srch_len = search_len; | |
e61abf83 UD |
128 | |
129 | return ibreq; | |
130 | } | |
1e4d83f6 | 131 | libnsl_hidden_nolink_def (__create_ib_request, GLIBC_PRIVATE) |
e61abf83 | 132 | |
3218d55b | 133 | static const struct timeval RPCTIMEOUT = {10, 0}; |
e852e889 UD |
134 | |
135 | static char * | |
3e4370cf | 136 | get_tablepath (char *name, dir_binding *bptr) |
e852e889 UD |
137 | { |
138 | enum clnt_stat result; | |
3218d55b | 139 | nis_result res; |
e852e889 UD |
140 | struct ns_request req; |
141 | ||
3218d55b | 142 | memset (&res, '\0', sizeof (res)); |
e852e889 UD |
143 | |
144 | req.ns_name = name; | |
145 | req.ns_object.ns_object_len = 0; | |
146 | req.ns_object.ns_object_val = NULL; | |
147 | ||
148 | result = clnt_call (bptr->clnt, NIS_LOOKUP, (xdrproc_t) _xdr_ns_request, | |
149 | (caddr_t) &req, (xdrproc_t) _xdr_nis_result, | |
3218d55b | 150 | (caddr_t) &res, RPCTIMEOUT); |
e852e889 | 151 | |
d00002ed | 152 | const char *cptr; |
3218d55b UD |
153 | if (result == RPC_SUCCESS && NIS_RES_STATUS (&res) == NIS_SUCCESS |
154 | && __type_of (NIS_RES_OBJECT (&res)) == NIS_TABLE_OBJ) | |
155 | cptr = NIS_RES_OBJECT (&res)->TA_data.ta_path; | |
e852e889 | 156 | else |
3218d55b UD |
157 | cptr = ""; |
158 | ||
3e4370cf UD |
159 | char *str = strdup (cptr); |
160 | ||
161 | if (result == RPC_SUCCESS) | |
162 | xdr_free ((xdrproc_t) _xdr_nis_result, (char *) &res); | |
163 | ||
164 | return str; | |
e852e889 UD |
165 | } |
166 | ||
a17fa610 UD |
167 | |
168 | nis_error | |
169 | __follow_path (char **tablepath, char **tableptr, struct ib_request *ibreq, | |
170 | dir_binding *bptr) | |
171 | { | |
172 | if (*tablepath == NULL) | |
173 | { | |
174 | *tablepath = get_tablepath (ibreq->ibr_name, bptr); | |
175 | if (*tablepath == NULL) | |
176 | return NIS_NOMEMORY; | |
177 | ||
178 | *tableptr = *tablepath; | |
179 | } | |
2a9feb92 CM |
180 | |
181 | /* Since tableptr is only set here, and it's set when tablepath is NULL, | |
182 | which it is initially defined as, we know it will always be set here. */ | |
183 | DIAG_PUSH_NEEDS_COMMENT; | |
184 | DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized"); | |
185 | ||
a17fa610 UD |
186 | if (*tableptr == NULL) |
187 | return NIS_NOTFOUND; | |
188 | ||
189 | char *newname = strsep (tableptr, ":"); | |
190 | if (newname[0] == '\0') | |
191 | return NIS_NOTFOUND; | |
192 | ||
2a9feb92 CM |
193 | DIAG_POP_NEEDS_COMMENT; |
194 | ||
a17fa610 UD |
195 | newname = strdup (newname); |
196 | if (newname == NULL) | |
197 | return NIS_NOMEMORY; | |
198 | ||
199 | free (ibreq->ibr_name); | |
200 | ibreq->ibr_name = newname; | |
201 | ||
202 | return NIS_SUCCESS; | |
203 | } | |
1e4d83f6 | 204 | libnsl_hidden_nolink_def (__follow_path, GLIBC_PRIVATE) |
a17fa610 UD |
205 | |
206 | ||
e61abf83 | 207 | nis_result * |
a1129917 | 208 | nis_list (const_nis_name name, unsigned int flags, |
c131718c | 209 | int (*callback) (const_nis_name name, |
e61abf83 UD |
210 | const nis_object *object, |
211 | const void *userdata), | |
212 | const void *userdata) | |
213 | { | |
f2d5cf50 | 214 | nis_result *res = malloc (sizeof (nis_result)); |
d6db1d53 | 215 | ib_request *ibreq; |
2d7da676 | 216 | int status; |
e852e889 | 217 | enum clnt_stat clnt_status; |
650425ce | 218 | int count_links = 0; /* We will only follow NIS_MAXLINKS links! */ |
2d7da676 UD |
219 | int done = 0; |
220 | nis_name *names; | |
221 | nis_name namebuf[2] = {NULL, NULL}; | |
222 | int name_nr = 0; | |
650425ce | 223 | nis_cb *cb = NULL; |
07683f84 UD |
224 | char *tableptr; |
225 | char *tablepath = NULL; | |
e852e889 | 226 | int first_try = 0; /* Do we try the old binding at first ? */ |
68361572 | 227 | nis_result *allres = NULL; |
e61abf83 | 228 | |
91eee4dd UD |
229 | if (res == NULL) |
230 | return NULL; | |
e61abf83 | 231 | |
d6db1d53 UD |
232 | if (name == NULL) |
233 | { | |
fff04b32 | 234 | status = NIS_BADNAME; |
f2d5cf50 | 235 | err_out: |
68361572 | 236 | nis_freeresult (allres); |
f2d5cf50 | 237 | memset (res, '\0', sizeof (nis_result)); |
fff04b32 | 238 | NIS_RES_STATUS (res) = status; |
d6db1d53 UD |
239 | return res; |
240 | } | |
241 | ||
a17fa610 | 242 | ibreq = __create_ib_request (name, flags); |
fff04b32 | 243 | if (ibreq == NULL) |
e61abf83 | 244 | { |
fff04b32 | 245 | status = NIS_BADNAME; |
f2d5cf50 | 246 | goto err_out; |
e61abf83 UD |
247 | } |
248 | ||
901956a5 UD |
249 | if ((flags & EXPAND_NAME) |
250 | && ibreq->ibr_name[strlen (ibreq->ibr_name) - 1] != '.') | |
e61abf83 | 251 | { |
dfd2257a UD |
252 | names = nis_getnames (ibreq->ibr_name); |
253 | free (ibreq->ibr_name); | |
254 | ibreq->ibr_name = NULL; | |
2d7da676 | 255 | if (names == NULL) |
e61abf83 | 256 | { |
3d8fa13a | 257 | nis_free_request (ibreq); |
fff04b32 | 258 | status = NIS_BADNAME; |
f2d5cf50 | 259 | goto err_out; |
e61abf83 | 260 | } |
dfd2257a | 261 | ibreq->ibr_name = strdup (names[name_nr]); |
901956a5 UD |
262 | if (ibreq->ibr_name == NULL) |
263 | { | |
07683f84 | 264 | nis_freenames (names); |
901956a5 | 265 | nis_free_request (ibreq); |
fff04b32 | 266 | status = NIS_NOMEMORY; |
f2d5cf50 | 267 | goto err_out; |
901956a5 | 268 | } |
2d7da676 UD |
269 | } |
270 | else | |
650425ce UD |
271 | { |
272 | names = namebuf; | |
dfd2257a | 273 | names[name_nr] = ibreq->ibr_name; |
650425ce | 274 | } |
e61abf83 | 275 | |
650425ce UD |
276 | cb = NULL; |
277 | ||
e852e889 | 278 | while (!done) |
2d7da676 | 279 | { |
e852e889 UD |
280 | dir_binding bptr; |
281 | directory_obj *dir = NULL; | |
650425ce | 282 | |
e852e889 | 283 | memset (res, '\0', sizeof (nis_result)); |
650425ce | 284 | |
bd1ebae0 | 285 | status = __nisfind_server (ibreq->ibr_name, |
697d37b1 JJ |
286 | ibreq->ibr_srch.ibr_srch_val != NULL, |
287 | &dir, &bptr, flags & ~MASTER_ONLY); | |
e852e889 | 288 | if (status != NIS_SUCCESS) |
07683f84 | 289 | { |
ab26144e UD |
290 | NIS_RES_STATUS (res) = status; |
291 | goto fail3; | |
07683f84 | 292 | } |
a334319f | 293 | |
e852e889 | 294 | while (__nisbind_connect (&bptr) != NIS_SUCCESS) |
a1ffb40e | 295 | if (__glibc_unlikely (__nisbind_next (&bptr) != NIS_SUCCESS)) |
e852e889 | 296 | { |
e852e889 | 297 | NIS_RES_STATUS (res) = NIS_NAMEUNREACHABLE; |
07683f84 | 298 | goto fail; |
e852e889 | 299 | } |
6f0ee462 | 300 | |
650425ce UD |
301 | if (callback != NULL) |
302 | { | |
a17fa610 | 303 | assert (cb == NULL); |
650425ce | 304 | cb = __nis_create_callback (callback, userdata, flags); |
dfd2257a UD |
305 | ibreq->ibr_cbhost.ibr_cbhost_len = 1; |
306 | ibreq->ibr_cbhost.ibr_cbhost_val = cb->serv; | |
e852e889 | 307 | } |
650425ce | 308 | |
e852e889 UD |
309 | again: |
310 | clnt_status = clnt_call (bptr.clnt, NIS_IBLIST, | |
311 | (xdrproc_t) _xdr_ib_request, (caddr_t) ibreq, | |
312 | (xdrproc_t) _xdr_nis_result, | |
313 | (caddr_t) res, RPCTIMEOUT); | |
314 | ||
a1ffb40e | 315 | if (__glibc_unlikely (clnt_status != RPC_SUCCESS)) |
e852e889 UD |
316 | NIS_RES_STATUS (res) = NIS_RPCERROR; |
317 | else | |
318 | switch (NIS_RES_STATUS (res)) | |
319 | { /* start switch */ | |
320 | case NIS_PARTIAL: | |
321 | case NIS_SUCCESS: | |
322 | case NIS_S_SUCCESS: | |
707c7499 UD |
323 | if (__type_of (NIS_RES_OBJECT (res)) == NIS_LINK_OBJ |
324 | && (flags & FOLLOW_LINKS)) /* We are following links. */ | |
e852e889 UD |
325 | { |
326 | free (ibreq->ibr_name); | |
3d8fa13a | 327 | ibreq->ibr_name = NULL; |
e852e889 | 328 | /* If we hit the link limit, bail. */ |
a1ffb40e | 329 | if (__glibc_unlikely (count_links > NIS_MAXLINKS)) |
e852e889 UD |
330 | { |
331 | NIS_RES_STATUS (res) = NIS_LINKNAMEERROR; | |
332 | ++done; | |
333 | break; | |
334 | } | |
335 | ++count_links; | |
336 | ibreq->ibr_name = | |
337 | strdup (NIS_RES_OBJECT (res)->LI_data.li_name); | |
901956a5 UD |
338 | if (ibreq->ibr_name == NULL) |
339 | { | |
a334319f | 340 | NIS_RES_STATUS (res) = NIS_NOMEMORY; |
07683f84 UD |
341 | fail: |
342 | __nisbind_destroy (&bptr); | |
07683f84 UD |
343 | nis_free_directory (dir); |
344 | fail3: | |
345 | free (tablepath); | |
346 | if (cb) | |
347 | { | |
348 | __nis_destroy_callback (cb); | |
349 | ibreq->ibr_cbhost.ibr_cbhost_len = 0; | |
350 | ibreq->ibr_cbhost.ibr_cbhost_val = NULL; | |
351 | } | |
352 | if (names != namebuf) | |
353 | nis_freenames (names); | |
354 | nis_free_request (ibreq); | |
68361572 | 355 | nis_freeresult (allres); |
901956a5 UD |
356 | return res; |
357 | } | |
e852e889 UD |
358 | if (NIS_RES_OBJECT (res)->LI_data.li_attrs.li_attrs_len) |
359 | if (ibreq->ibr_srch.ibr_srch_len == 0) | |
650425ce | 360 | { |
e852e889 UD |
361 | ibreq->ibr_srch.ibr_srch_len = |
362 | NIS_RES_OBJECT (res)->LI_data.li_attrs.li_attrs_len; | |
363 | ibreq->ibr_srch.ibr_srch_val = | |
364 | NIS_RES_OBJECT (res)->LI_data.li_attrs.li_attrs_val; | |
650425ce | 365 | } |
56a5719e UD |
366 | /* The following is a non-obvious optimization. A |
367 | nis_freeresult call would call xdr_free as the | |
368 | following code. But it also would unnecessarily | |
369 | free the result structure. We avoid this here | |
370 | along with the necessary tests. */ | |
56a5719e UD |
371 | xdr_free ((xdrproc_t) _xdr_nis_result, (char *)res); |
372 | memset (res, '\0', sizeof (*res)); | |
e852e889 UD |
373 | first_try = 1; /* Try at first the old binding */ |
374 | goto again; | |
375 | } | |
707c7499 UD |
376 | else if ((flags & FOLLOW_PATH) |
377 | && NIS_RES_STATUS (res) == NIS_PARTIAL) | |
e852e889 | 378 | { |
ab26144e UD |
379 | enum nis_error err = __follow_path (&tablepath, &tableptr, |
380 | ibreq, &bptr); | |
381 | if (err != NIS_SUCCESS) | |
e852e889 | 382 | { |
ab26144e UD |
383 | if (err == NIS_NOMEMORY) |
384 | NIS_RES_STATUS (res) = err; | |
a334319f | 385 | ++done; |
e852e889 UD |
386 | } |
387 | else | |
388 | { | |
707c7499 UD |
389 | /* The following is a non-obvious optimization. A |
390 | nis_freeresult call would call xdr_free as the | |
391 | following code. But it also would unnecessarily | |
392 | free the result structure. We avoid this here | |
393 | along with the necessary tests. */ | |
a17fa610 | 394 | xdr_free ((xdrproc_t) _xdr_nis_result, (char *) res); |
707c7499 | 395 | memset (res, '\0', sizeof (*res)); |
a334319f UD |
396 | first_try = 1; |
397 | goto again; | |
e852e889 UD |
398 | } |
399 | } | |
68361572 UD |
400 | else if ((flags & (FOLLOW_PATH | ALL_RESULTS)) |
401 | == (FOLLOW_PATH | ALL_RESULTS)) | |
402 | { | |
403 | if (allres == NULL) | |
404 | { | |
405 | allres = res; | |
406 | res = malloc (sizeof (nis_result)); | |
407 | if (res == NULL) | |
408 | { | |
409 | res = allres; | |
410 | allres = NULL; | |
411 | NIS_RES_STATUS (res) = NIS_NOMEMORY; | |
412 | goto fail; | |
413 | } | |
414 | NIS_RES_STATUS (res) = NIS_RES_STATUS (allres); | |
415 | } | |
416 | else | |
417 | { | |
418 | nis_object *objects_val | |
419 | = realloc (NIS_RES_OBJECT (allres), | |
420 | (NIS_RES_NUMOBJ (allres) | |
421 | + NIS_RES_NUMOBJ (res)) | |
422 | * sizeof (nis_object)); | |
423 | if (objects_val == NULL) | |
424 | { | |
425 | NIS_RES_STATUS (res) = NIS_NOMEMORY; | |
426 | goto fail; | |
427 | } | |
428 | NIS_RES_OBJECT (allres) = objects_val; | |
429 | memcpy (NIS_RES_OBJECT (allres) + NIS_RES_NUMOBJ (allres), | |
430 | NIS_RES_OBJECT (res), | |
431 | NIS_RES_NUMOBJ (res) * sizeof (nis_object)); | |
432 | NIS_RES_NUMOBJ (allres) += NIS_RES_NUMOBJ (res); | |
433 | NIS_RES_NUMOBJ (res) = 0; | |
434 | free (NIS_RES_OBJECT (res)); | |
435 | NIS_RES_OBJECT (res) = NULL; | |
436 | NIS_RES_STATUS (allres) = NIS_RES_STATUS (res); | |
437 | xdr_free ((xdrproc_t) _xdr_nis_result, (char *) res); | |
438 | } | |
ab26144e UD |
439 | enum nis_error err = __follow_path (&tablepath, &tableptr, |
440 | ibreq, &bptr); | |
441 | if (err != NIS_SUCCESS) | |
68361572 | 442 | { |
4df92d57 UD |
443 | /* Prepare for the nis_freeresult call. */ |
444 | memset (res, '\0', sizeof (*res)); | |
445 | ||
ab26144e UD |
446 | if (err == NIS_NOMEMORY) |
447 | NIS_RES_STATUS (allres) = err; | |
68361572 UD |
448 | ++done; |
449 | } | |
450 | } | |
e852e889 | 451 | else |
2d7da676 | 452 | ++done; |
e852e889 UD |
453 | break; |
454 | case NIS_CBRESULTS: | |
455 | if (cb != NULL) | |
456 | { | |
457 | __nis_do_callback (&bptr, &res->cookie, cb); | |
458 | NIS_RES_STATUS (res) = cb->result; | |
459 | ||
460 | if (!(flags & ALL_RESULTS)) | |
650425ce | 461 | ++done; |
e852e889 UD |
462 | else |
463 | { | |
ab26144e | 464 | enum nis_error err |
a17fa610 | 465 | = __follow_path (&tablepath, &tableptr, ibreq, &bptr); |
ab26144e | 466 | if (err != NIS_SUCCESS) |
0008163a | 467 | { |
ab26144e UD |
468 | if (err == NIS_NOMEMORY) |
469 | NIS_RES_STATUS (res) = err; | |
0008163a UD |
470 | ++done; |
471 | } | |
e852e889 UD |
472 | } |
473 | } | |
474 | break; | |
475 | case NIS_SYSTEMERROR: | |
476 | case NIS_NOSUCHNAME: | |
477 | case NIS_NOT_ME: | |
478 | /* If we had first tried the old binding, do nothing, but | |
479 | get a new binding */ | |
480 | if (!first_try) | |
481 | { | |
482 | if (__nisbind_next (&bptr) != NIS_SUCCESS) | |
483 | { | |
484 | ++done; | |
485 | break; /* No more servers to search */ | |
486 | } | |
487 | while (__nisbind_connect (&bptr) != NIS_SUCCESS) | |
488 | { | |
489 | if (__nisbind_next (&bptr) != NIS_SUCCESS) | |
490 | { | |
491 | ++done; | |
492 | break; /* No more servers to search */ | |
493 | } | |
494 | } | |
495 | goto again; | |
496 | } | |
497 | break; | |
498 | default: | |
499 | if (!first_try) | |
500 | { | |
501 | /* Try the next domainname if we don't follow a link. */ | |
901956a5 UD |
502 | free (ibreq->ibr_name); |
503 | ibreq->ibr_name = NULL; | |
a1ffb40e | 504 | if (__glibc_unlikely (count_links)) |
e852e889 | 505 | { |
e852e889 UD |
506 | NIS_RES_STATUS (res) = NIS_LINKNAMEERROR; |
507 | ++done; | |
508 | break; | |
509 | } | |
510 | ++name_nr; | |
511 | if (names[name_nr] == NULL) | |
512 | { | |
513 | ++done; | |
514 | break; | |
515 | } | |
901956a5 UD |
516 | ibreq->ibr_name = strdup (names[name_nr]); |
517 | if (ibreq->ibr_name == NULL) | |
518 | { | |
901956a5 | 519 | NIS_RES_STATUS (res) = NIS_NOMEMORY; |
07683f84 | 520 | goto fail; |
901956a5 | 521 | } |
e852e889 UD |
522 | first_try = 1; /* Try old binding at first */ |
523 | goto again; | |
524 | } | |
525 | break; | |
526 | } | |
527 | first_try = 0; | |
528 | ||
529 | if (cb) | |
530 | { | |
531 | __nis_destroy_callback (cb); | |
532 | ibreq->ibr_cbhost.ibr_cbhost_len = 0; | |
533 | ibreq->ibr_cbhost.ibr_cbhost_val = NULL; | |
07683f84 | 534 | cb = NULL; |
e61abf83 | 535 | } |
e852e889 UD |
536 | |
537 | __nisbind_destroy (&bptr); | |
538 | nis_free_directory (dir); | |
539 | } | |
e61abf83 | 540 | |
07683f84 UD |
541 | free (tablepath); |
542 | ||
2d7da676 UD |
543 | if (names != namebuf) |
544 | nis_freenames (names); | |
545 | ||
dfd2257a | 546 | nis_free_request (ibreq); |
e61abf83 | 547 | |
68361572 UD |
548 | if (allres) |
549 | { | |
550 | nis_freeresult (res); | |
551 | return allres; | |
552 | } | |
553 | ||
e61abf83 UD |
554 | return res; |
555 | } | |
1e4d83f6 | 556 | libnsl_hidden_nolink_def (nis_list, GLIBC_2_1) |
e61abf83 UD |
557 | |
558 | nis_result * | |
a1129917 | 559 | nis_add_entry (const_nis_name name, const nis_object *obj2, unsigned int flags) |
e61abf83 | 560 | { |
0292b0dd | 561 | nis_result *res = calloc (1, sizeof (nis_result)); |
91eee4dd UD |
562 | if (res == NULL) |
563 | return NULL; | |
564 | ||
d6db1d53 | 565 | if (name == NULL) |
91eee4dd | 566 | { |
d6db1d53 | 567 | NIS_RES_STATUS (res) = NIS_BADNAME; |
91eee4dd UD |
568 | return res; |
569 | } | |
e61abf83 | 570 | |
a17fa610 | 571 | ib_request *ibreq = __create_ib_request (name, flags); |
0292b0dd | 572 | if (ibreq == NULL) |
e61abf83 | 573 | { |
91eee4dd | 574 | NIS_RES_STATUS (res) = NIS_BADNAME; |
e61abf83 UD |
575 | return res; |
576 | } | |
577 | ||
0292b0dd | 578 | nis_object obj; |
91eee4dd | 579 | memcpy (&obj, obj2, sizeof (nis_object)); |
e61abf83 | 580 | |
fff04b32 UD |
581 | size_t namelen = strlen (name); |
582 | char buf1[namelen + 20]; | |
583 | char buf4[namelen + 20]; | |
584 | ||
91eee4dd UD |
585 | if (obj.zo_name == NULL || strlen (obj.zo_name) == 0) |
586 | obj.zo_name = nis_leaf_of_r (name, buf1, sizeof (buf1)); | |
ce37fa88 | 587 | |
91eee4dd UD |
588 | if (obj.zo_owner == NULL || strlen (obj.zo_owner) == 0) |
589 | obj.zo_owner = nis_local_principal (); | |
ce37fa88 | 590 | |
91eee4dd UD |
591 | if (obj.zo_group == NULL || strlen (obj.zo_group) == 0) |
592 | obj.zo_group = nis_local_group (); | |
ce37fa88 | 593 | |
91eee4dd UD |
594 | obj.zo_domain = nis_domain_of_r (name, buf4, sizeof (buf4)); |
595 | ||
596 | ibreq->ibr_obj.ibr_obj_val = nis_clone_object (&obj, NULL); | |
597 | if (ibreq->ibr_obj.ibr_obj_val == NULL) | |
598 | { | |
3d8fa13a | 599 | nis_free_request (ibreq); |
91eee4dd UD |
600 | NIS_RES_STATUS (res) = NIS_NOMEMORY; |
601 | return res; | |
602 | } | |
603 | ibreq->ibr_obj.ibr_obj_len = 1; | |
ce37fa88 | 604 | |
0292b0dd UD |
605 | nis_error status = __do_niscall (ibreq->ibr_name, NIS_IBADD, |
606 | (xdrproc_t) _xdr_ib_request, | |
607 | (caddr_t) ibreq, | |
608 | (xdrproc_t) _xdr_nis_result, | |
609 | (caddr_t) res, 0, NULL); | |
a1ffb40e | 610 | if (__glibc_unlikely (status != NIS_SUCCESS)) |
91eee4dd | 611 | NIS_RES_STATUS (res) = status; |
ce37fa88 | 612 | |
dfd2257a | 613 | nis_free_request (ibreq); |
e61abf83 UD |
614 | |
615 | return res; | |
616 | } | |
1e4d83f6 | 617 | libnsl_hidden_nolink_def (nis_add_entry, GLIBC_2_1) |
e61abf83 UD |
618 | |
619 | nis_result * | |
a1129917 UD |
620 | nis_modify_entry (const_nis_name name, const nis_object *obj2, |
621 | unsigned int flags) | |
e61abf83 | 622 | { |
91eee4dd | 623 | nis_object obj; |
e61abf83 | 624 | nis_result *res; |
e61abf83 | 625 | nis_error status; |
d6db1d53 UD |
626 | ib_request *ibreq; |
627 | size_t namelen = strlen (name); | |
628 | char buf1[namelen + 20]; | |
629 | char buf4[namelen + 20]; | |
e61abf83 UD |
630 | |
631 | res = calloc (1, sizeof (nis_result)); | |
d6db1d53 UD |
632 | if (res == NULL) |
633 | return NULL; | |
e61abf83 | 634 | |
a17fa610 | 635 | ibreq = __create_ib_request (name, flags); |
fff04b32 | 636 | if (ibreq == NULL) |
e61abf83 | 637 | { |
91eee4dd | 638 | NIS_RES_STATUS (res) = NIS_BADNAME; |
e61abf83 UD |
639 | return res; |
640 | } | |
641 | ||
91eee4dd | 642 | memcpy (&obj, obj2, sizeof (nis_object)); |
e61abf83 | 643 | |
91eee4dd UD |
644 | if (obj.zo_name == NULL || strlen (obj.zo_name) == 0) |
645 | obj.zo_name = nis_leaf_of_r (name, buf1, sizeof (buf1)); | |
ce37fa88 | 646 | |
91eee4dd UD |
647 | if (obj.zo_owner == NULL || strlen (obj.zo_owner) == 0) |
648 | obj.zo_owner = nis_local_principal (); | |
ce37fa88 | 649 | |
91eee4dd UD |
650 | if (obj.zo_group == NULL || strlen (obj.zo_group) == 0) |
651 | obj.zo_group = nis_local_group (); | |
ce37fa88 | 652 | |
91eee4dd UD |
653 | obj.zo_domain = nis_domain_of_r (name, buf4, sizeof (buf4)); |
654 | ||
655 | ibreq->ibr_obj.ibr_obj_val = nis_clone_object (&obj, NULL); | |
656 | if (ibreq->ibr_obj.ibr_obj_val == NULL) | |
657 | { | |
3d8fa13a | 658 | nis_free_request (ibreq); |
91eee4dd UD |
659 | NIS_RES_STATUS (res) = NIS_NOMEMORY; |
660 | return res; | |
661 | } | |
662 | ibreq->ibr_obj.ibr_obj_len = 1; | |
ce37fa88 | 663 | |
fff04b32 UD |
664 | status = __do_niscall (ibreq->ibr_name, NIS_IBMODIFY, |
665 | (xdrproc_t) _xdr_ib_request, | |
666 | (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result, | |
667 | (caddr_t) res, 0, NULL); | |
a1ffb40e | 668 | if (__glibc_unlikely (status != NIS_SUCCESS)) |
91eee4dd | 669 | NIS_RES_STATUS (res) = status; |
ce37fa88 | 670 | |
dfd2257a | 671 | nis_free_request (ibreq); |
e61abf83 UD |
672 | |
673 | return res; | |
674 | } | |
1e4d83f6 | 675 | libnsl_hidden_nolink_def (nis_modify_entry, GLIBC_2_1) |
e61abf83 UD |
676 | |
677 | nis_result * | |
c131718c | 678 | nis_remove_entry (const_nis_name name, const nis_object *obj, |
a1129917 | 679 | unsigned int flags) |
e61abf83 UD |
680 | { |
681 | nis_result *res; | |
d6db1d53 | 682 | ib_request *ibreq; |
e61abf83 UD |
683 | nis_error status; |
684 | ||
685 | res = calloc (1, sizeof (nis_result)); | |
91eee4dd UD |
686 | if (res == NULL) |
687 | return NULL; | |
688 | ||
d6db1d53 | 689 | if (name == NULL) |
91eee4dd | 690 | { |
d6db1d53 | 691 | NIS_RES_STATUS (res) = NIS_BADNAME; |
91eee4dd UD |
692 | return res; |
693 | } | |
e61abf83 | 694 | |
a17fa610 | 695 | ibreq = __create_ib_request (name, flags); |
fff04b32 | 696 | if (ibreq == NULL) |
e61abf83 | 697 | { |
91eee4dd | 698 | NIS_RES_STATUS (res) = NIS_BADNAME; |
e61abf83 UD |
699 | return res; |
700 | } | |
701 | ||
e61abf83 UD |
702 | if (obj != NULL) |
703 | { | |
dfd2257a | 704 | ibreq->ibr_obj.ibr_obj_val = nis_clone_object (obj, NULL); |
91eee4dd UD |
705 | if (ibreq->ibr_obj.ibr_obj_val == NULL) |
706 | { | |
3d8fa13a | 707 | nis_free_request (ibreq); |
91eee4dd UD |
708 | NIS_RES_STATUS (res) = NIS_NOMEMORY; |
709 | return res; | |
710 | } | |
dfd2257a | 711 | ibreq->ibr_obj.ibr_obj_len = 1; |
e61abf83 UD |
712 | } |
713 | ||
dfd2257a | 714 | if ((status = __do_niscall (ibreq->ibr_name, NIS_IBREMOVE, |
91eee4dd UD |
715 | (xdrproc_t) _xdr_ib_request, |
716 | (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result, | |
650425ce | 717 | (caddr_t) res, 0, NULL)) != NIS_SUCCESS) |
91eee4dd | 718 | NIS_RES_STATUS (res) = status; |
e61abf83 | 719 | |
dfd2257a | 720 | nis_free_request (ibreq); |
e61abf83 UD |
721 | |
722 | return res; | |
723 | } | |
1e4d83f6 | 724 | libnsl_hidden_nolink_def (nis_remove_entry, GLIBC_2_1) |
e61abf83 UD |
725 | |
726 | nis_result * | |
c131718c | 727 | nis_first_entry (const_nis_name name) |
e61abf83 UD |
728 | { |
729 | nis_result *res; | |
d6db1d53 | 730 | ib_request *ibreq; |
e61abf83 UD |
731 | nis_error status; |
732 | ||
733 | res = calloc (1, sizeof (nis_result)); | |
91eee4dd UD |
734 | if (res == NULL) |
735 | return NULL; | |
736 | ||
d6db1d53 | 737 | if (name == NULL) |
91eee4dd | 738 | { |
d6db1d53 | 739 | NIS_RES_STATUS (res) = NIS_BADNAME; |
91eee4dd UD |
740 | return res; |
741 | } | |
e61abf83 | 742 | |
a17fa610 | 743 | ibreq = __create_ib_request (name, 0); |
32abdb71 | 744 | if (ibreq == NULL) |
e61abf83 | 745 | { |
91eee4dd | 746 | NIS_RES_STATUS (res) = NIS_BADNAME; |
e61abf83 UD |
747 | return res; |
748 | } | |
749 | ||
32abdb71 UD |
750 | status = __do_niscall (ibreq->ibr_name, NIS_IBFIRST, |
751 | (xdrproc_t) _xdr_ib_request, | |
752 | (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result, | |
753 | (caddr_t) res, 0, NULL); | |
754 | ||
a1ffb40e | 755 | if (__glibc_unlikely (status != NIS_SUCCESS)) |
91eee4dd | 756 | NIS_RES_STATUS (res) = status; |
e61abf83 | 757 | |
dfd2257a | 758 | nis_free_request (ibreq); |
e61abf83 UD |
759 | |
760 | return res; | |
761 | } | |
1e4d83f6 | 762 | libnsl_hidden_nolink_def (nis_first_entry, GLIBC_2_1) |
e61abf83 UD |
763 | |
764 | nis_result * | |
c131718c | 765 | nis_next_entry (const_nis_name name, const netobj *cookie) |
e61abf83 UD |
766 | { |
767 | nis_result *res; | |
d6db1d53 | 768 | ib_request *ibreq; |
e61abf83 UD |
769 | nis_error status; |
770 | ||
771 | res = calloc (1, sizeof (nis_result)); | |
91eee4dd UD |
772 | if (res == NULL) |
773 | return NULL; | |
774 | ||
d6db1d53 | 775 | if (name == NULL) |
91eee4dd | 776 | { |
d6db1d53 | 777 | NIS_RES_STATUS (res) = NIS_BADNAME; |
91eee4dd UD |
778 | return res; |
779 | } | |
e61abf83 | 780 | |
a17fa610 | 781 | ibreq = __create_ib_request (name, 0); |
32abdb71 | 782 | if (ibreq == NULL) |
e61abf83 | 783 | { |
91eee4dd | 784 | NIS_RES_STATUS (res) = NIS_BADNAME; |
e61abf83 UD |
785 | return res; |
786 | } | |
787 | ||
788 | if (cookie != NULL) | |
789 | { | |
d6db1d53 | 790 | ibreq->ibr_cookie.n_bytes = cookie->n_bytes; |
dfd2257a | 791 | ibreq->ibr_cookie.n_len = cookie->n_len; |
e61abf83 UD |
792 | } |
793 | ||
32abdb71 UD |
794 | status = __do_niscall (ibreq->ibr_name, NIS_IBNEXT, |
795 | (xdrproc_t) _xdr_ib_request, | |
796 | (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result, | |
797 | (caddr_t) res, 0, NULL); | |
798 | ||
a1ffb40e | 799 | if (__glibc_unlikely (status != NIS_SUCCESS)) |
91eee4dd | 800 | NIS_RES_STATUS (res) = status; |
e61abf83 | 801 | |
d6db1d53 UD |
802 | if (cookie != NULL) |
803 | { | |
804 | /* Don't give cookie free, it is not from us */ | |
805 | ibreq->ibr_cookie.n_bytes = NULL; | |
806 | ibreq->ibr_cookie.n_len = 0; | |
807 | } | |
808 | ||
dfd2257a | 809 | nis_free_request (ibreq); |
e61abf83 UD |
810 | |
811 | return res; | |
812 | } | |
1e4d83f6 | 813 | libnsl_hidden_nolink_def (nis_next_entry, GLIBC_2_1) |