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8c058eec | 1 | /* Copyright (C) 1997, 1998, 2001, 2004, 2005 Free Software Foundation, Inc. |
e61abf83 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997. | |
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 AJ |
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 | |
18 | 02111-1307 USA. */ | |
e61abf83 | 19 | |
36a8586d | 20 | #include <errno.h> |
2d7da676 | 21 | #include <fcntl.h> |
e61abf83 | 22 | #include <string.h> |
4360eafd | 23 | #include <libintl.h> |
e61abf83 UD |
24 | #include <rpc/rpc.h> |
25 | #include <rpc/auth.h> | |
26 | #include <rpcsvc/nis.h> | |
27 | #include <sys/socket.h> | |
28 | #include <netinet/in.h> | |
29 | #include <arpa/inet.h> | |
91eee4dd UD |
30 | |
31 | #include "nis_xdr.h" | |
e61abf83 UD |
32 | #include "nis_intern.h" |
33 | ||
cd40e3a7 UD |
34 | static const struct timeval RPCTIMEOUT = {10, 0}; |
35 | static const struct timeval UDPTIMEOUT = {5, 0}; | |
2d7da676 | 36 | |
26a60f90 UD |
37 | extern u_short __pmap_getnisport (struct sockaddr_in *address, u_long program, |
38 | u_long version, u_int protocol); | |
39 | ||
a334319f | 40 | unsigned long |
e61abf83 UD |
41 | inetstr2int (const char *str) |
42 | { | |
a334319f UD |
43 | char buffer[strlen (str) + 3]; |
44 | size_t buflen; | |
45 | size_t i, j; | |
46 | ||
47 | buflen = stpcpy (buffer, str) - buffer; | |
48 | ||
49 | j = 0; | |
50 | for (i = 0; i < buflen; ++i) | |
51 | if (buffer[i] == '.') | |
e61abf83 | 52 | { |
a334319f UD |
53 | ++j; |
54 | if (j == 4) | |
55 | { | |
56 | buffer[i] = '\0'; | |
57 | break; | |
58 | } | |
e61abf83 UD |
59 | } |
60 | ||
a334319f | 61 | return inet_addr (buffer); |
e61abf83 UD |
62 | } |
63 | ||
e852e889 UD |
64 | void |
65 | __nisbind_destroy (dir_binding *bind) | |
e61abf83 | 66 | { |
2d7da676 | 67 | if (bind->clnt != NULL) |
e61abf83 | 68 | { |
2d7da676 UD |
69 | if (bind->use_auth) |
70 | auth_destroy (bind->clnt->cl_auth); | |
71 | clnt_destroy (bind->clnt); | |
72 | } | |
2d7da676 | 73 | } |
7440c23e | 74 | libnsl_hidden_def (__nisbind_destroy) |
2d7da676 | 75 | |
e852e889 UD |
76 | nis_error |
77 | __nisbind_next (dir_binding *bind) | |
2d7da676 | 78 | { |
a334319f UD |
79 | u_int j; |
80 | ||
2d7da676 UD |
81 | if (bind->clnt != NULL) |
82 | { | |
83 | if (bind->use_auth) | |
84 | auth_destroy (bind->clnt->cl_auth); | |
85 | clnt_destroy (bind->clnt); | |
86 | bind->clnt = NULL; | |
87 | } | |
3996f34b UD |
88 | |
89 | if (bind->trys >= bind->server_len) | |
90 | return NIS_FAIL; | |
91 | ||
a334319f | 92 | for (j = bind->current_ep + 1; |
3996f34b UD |
93 | j < bind->server_val[bind->server_used].ep.ep_len; ++j) |
94 | if (strcmp (bind->server_val[bind->server_used].ep.ep_val[j].family, | |
95 | "inet") == 0) | |
e852e889 | 96 | if (bind->server_val[bind->server_used].ep.ep_val[j].proto[0] == '-') |
3996f34b UD |
97 | { |
98 | bind->current_ep = j; | |
99 | return NIS_SUCCESS; | |
100 | } | |
101 | ||
102 | ++bind->trys; | |
103 | ++bind->server_used; | |
104 | if (bind->server_used >= bind->server_len) | |
105 | bind->server_used = 0; | |
106 | ||
a334319f | 107 | for (j = 0; j < bind->server_val[bind->server_used].ep.ep_len; ++j) |
3996f34b UD |
108 | if (strcmp (bind->server_val[bind->server_used].ep.ep_val[j].family, |
109 | "inet") == 0) | |
d6db1d53 | 110 | if (bind->server_val[bind->server_used].ep.ep_val[j].proto[0] == '-') |
3996f34b UD |
111 | { |
112 | bind->current_ep = j; | |
113 | return NIS_SUCCESS; | |
114 | } | |
115 | ||
116 | return NIS_FAIL; | |
2d7da676 | 117 | } |
7440c23e | 118 | libnsl_hidden_def (__nisbind_next) |
2d7da676 | 119 | |
e852e889 UD |
120 | nis_error |
121 | __nisbind_connect (dir_binding *dbp) | |
2d7da676 | 122 | { |
2d7da676 | 123 | nis_server *serv; |
2d7da676 UD |
124 | |
125 | if (dbp == NULL) | |
126 | return NIS_FAIL; | |
127 | ||
128 | serv = &dbp->server_val[dbp->server_used]; | |
129 | ||
130 | memset (&dbp->addr, '\0', sizeof (dbp->addr)); | |
131 | dbp->addr.sin_family = AF_INET; | |
3996f34b UD |
132 | |
133 | dbp->addr.sin_addr.s_addr = | |
134 | inetstr2int (serv->ep.ep_val[dbp->current_ep].uaddr); | |
135 | ||
a334319f | 136 | if (dbp->addr.sin_addr.s_addr == 0) |
2d7da676 UD |
137 | return NIS_FAIL; |
138 | ||
26a60f90 UD |
139 | /* Check, if the host is online and rpc.nisd is running. Much faster |
140 | then the clnt*_create functions: */ | |
a334319f | 141 | if (__pmap_getnisport (&dbp->addr, NIS_PROG, NIS_VERSION, IPPROTO_UDP) == 0) |
26a60f90 UD |
142 | return NIS_RPCERROR; |
143 | ||
2d7da676 UD |
144 | dbp->socket = RPC_ANYSOCK; |
145 | if (dbp->use_udp) | |
146 | dbp->clnt = clntudp_create (&dbp->addr, NIS_PROG, NIS_VERSION, | |
cc3fa755 | 147 | UDPTIMEOUT, &dbp->socket); |
2d7da676 UD |
148 | else |
149 | dbp->clnt = clnttcp_create (&dbp->addr, NIS_PROG, NIS_VERSION, | |
150 | &dbp->socket, 0, 0); | |
3996f34b | 151 | |
2d7da676 UD |
152 | if (dbp->clnt == NULL) |
153 | return NIS_RPCERROR; | |
3996f34b | 154 | |
cd40e3a7 | 155 | clnt_control (dbp->clnt, CLSET_TIMEOUT, (caddr_t) &RPCTIMEOUT); |
2d7da676 UD |
156 | /* If the program exists, close the socket */ |
157 | if (fcntl (dbp->socket, F_SETFD, 1) == -1) | |
a18f73be | 158 | perror ("fcntl: F_SETFD"); |
3996f34b | 159 | |
2d7da676 UD |
160 | if (dbp->use_auth) |
161 | { | |
e852e889 | 162 | if (serv->key_type == NIS_PK_DH) |
e61abf83 | 163 | { |
cd40e3a7 | 164 | char netname[MAXNETNAMELEN + 1]; |
2d7da676 | 165 | char *p; |
3996f34b | 166 | |
a334319f | 167 | p = stpcpy (netname, "unix."); |
cd40e3a7 | 168 | strncpy (p, serv->name, MAXNETNAMELEN - 5); |
2d7da676 | 169 | netname[MAXNETNAMELEN] = '\0'; |
a334319f UD |
170 | // XXX What is this supposed to do? If we really want to replace |
171 | // XXX the first dot, then we might as well use unix@ as the | |
172 | // XXX prefix string. --drepper | |
173 | p = strchr (netname, '.'); | |
174 | *p = '@'; | |
175 | dbp->clnt->cl_auth = | |
176 | authdes_pk_create (netname, &serv->pkey, 300, NULL, NULL); | |
2d7da676 UD |
177 | if (!dbp->clnt->cl_auth) |
178 | dbp->clnt->cl_auth = authunix_create_default (); | |
e61abf83 | 179 | } |
2d7da676 | 180 | else |
2d7da676 | 181 | dbp->clnt->cl_auth = authunix_create_default (); |
2d7da676 | 182 | } |
3996f34b | 183 | |
2d7da676 UD |
184 | return NIS_SUCCESS; |
185 | } | |
7440c23e | 186 | libnsl_hidden_def (__nisbind_connect) |
26dee9c4 | 187 | |
e852e889 | 188 | nis_error |
a1129917 | 189 | __nisbind_create (dir_binding *dbp, const nis_server *serv_val, |
a334319f | 190 | unsigned int serv_len, unsigned int flags) |
2d7da676 | 191 | { |
d6db1d53 | 192 | dbp->clnt = NULL; |
3996f34b | 193 | |
2d7da676 | 194 | dbp->server_len = serv_len; |
d6db1d53 | 195 | dbp->server_val = (nis_server *)serv_val; |
3996f34b UD |
196 | |
197 | if (flags & USE_DGRAM) | |
198 | dbp->use_udp = TRUE; | |
199 | else | |
200 | dbp->use_udp = FALSE; | |
201 | ||
202 | if (flags & NO_AUTHINFO) | |
203 | dbp->use_auth = FALSE; | |
204 | else | |
205 | dbp->use_auth = TRUE; | |
206 | ||
207 | if (flags & MASTER_ONLY) | |
208 | dbp->master_only = TRUE; | |
209 | else | |
210 | dbp->master_only = FALSE; | |
211 | ||
26a60f90 | 212 | /* We try the first server */ |
3996f34b UD |
213 | dbp->trys = 1; |
214 | ||
ac9f45cf | 215 | dbp->class = -1; |
a334319f | 216 | if (__nis_findfastest (dbp) < 1) |
8c058eec | 217 | return NIS_NAMEUNREACHABLE; |
2d7da676 | 218 | |
d6db1d53 | 219 | return NIS_SUCCESS; |
e61abf83 | 220 | } |
7440c23e | 221 | libnsl_hidden_def (__nisbind_create) |
e61abf83 | 222 | |
e852e889 UD |
223 | /* __nisbind_connect (dbp) must be run before calling this function ! |
224 | So we could use the same binding twice */ | |
e61abf83 | 225 | nis_error |
e852e889 | 226 | __do_niscall3 (dir_binding *dbp, u_long prog, xdrproc_t xargs, caddr_t req, |
a1129917 | 227 | xdrproc_t xres, caddr_t resp, unsigned int flags, nis_cb *cb) |
e61abf83 | 228 | { |
2d7da676 UD |
229 | enum clnt_stat result; |
230 | nis_error retcode; | |
2d7da676 | 231 | |
e852e889 | 232 | if (dbp == NULL) |
a5a0310d | 233 | return NIS_NAMEUNREACHABLE; |
e61abf83 | 234 | |
2d7da676 | 235 | do |
43b0e40f | 236 | { |
2d7da676 | 237 | again: |
e852e889 | 238 | result = clnt_call (dbp->clnt, prog, xargs, req, xres, resp, RPCTIMEOUT); |
3996f34b | 239 | |
43b0e40f | 240 | if (result != RPC_SUCCESS) |
e852e889 | 241 | retcode = NIS_RPCERROR; |
43b0e40f | 242 | else |
2d7da676 UD |
243 | { |
244 | switch (prog) | |
245 | { | |
650425ce UD |
246 | case NIS_IBLIST: |
247 | if ((((nis_result *)resp)->status == NIS_CBRESULTS) && | |
248 | (cb != NULL)) | |
249 | { | |
cd40e3a7 | 250 | __nis_do_callback (dbp, &((nis_result *) resp)->cookie, cb); |
650425ce UD |
251 | break; |
252 | } | |
e852e889 UD |
253 | /* Yes, the missing break is correct. If we doesn't have to |
254 | start a callback, look if we have to search another server */ | |
2d7da676 UD |
255 | case NIS_LOOKUP: |
256 | case NIS_ADD: | |
257 | case NIS_MODIFY: | |
258 | case NIS_REMOVE: | |
2d7da676 UD |
259 | case NIS_IBADD: |
260 | case NIS_IBMODIFY: | |
261 | case NIS_IBREMOVE: | |
262 | case NIS_IBFIRST: | |
263 | case NIS_IBNEXT: | |
cd40e3a7 UD |
264 | if (((nis_result *)resp)->status == NIS_SYSTEMERROR |
265 | || ((nis_result *)resp)->status == NIS_NOSUCHNAME | |
266 | || ((nis_result *)resp)->status == NIS_NOT_ME) | |
3996f34b | 267 | { |
e852e889 | 268 | if (__nisbind_next (dbp) == NIS_SUCCESS) |
650425ce | 269 | { |
e852e889 | 270 | while (__nisbind_connect (dbp) != NIS_SUCCESS) |
650425ce | 271 | { |
e852e889 | 272 | if (__nisbind_next (dbp) != NIS_SUCCESS) |
650425ce | 273 | return NIS_SUCCESS; |
650425ce UD |
274 | } |
275 | } | |
276 | else | |
277 | break; /* No more servers to search in */ | |
2d7da676 | 278 | goto again; |
3996f34b | 279 | } |
a5a0310d | 280 | break; |
2d7da676 | 281 | case NIS_FINDDIRECTORY: |
cd40e3a7 UD |
282 | if (((fd_result *)resp)->status == NIS_SYSTEMERROR |
283 | || ((fd_result *)resp)->status == NIS_NOSUCHNAME | |
284 | || ((fd_result *)resp)->status == NIS_NOT_ME) | |
a334319f UD |
285 | { |
286 | if (__nisbind_next (dbp) == NIS_SUCCESS) | |
287 | { | |
288 | while (__nisbind_connect (dbp) != NIS_SUCCESS) | |
289 | { | |
290 | if (__nisbind_next (dbp) != NIS_SUCCESS) | |
291 | return NIS_SUCCESS; | |
292 | } | |
293 | } | |
294 | else | |
295 | break; /* No more servers to search in */ | |
296 | goto again; | |
297 | } | |
2d7da676 UD |
298 | break; |
299 | case NIS_DUMPLOG: /* log_result */ | |
300 | case NIS_DUMP: | |
cd40e3a7 UD |
301 | if (((log_result *)resp)->lr_status == NIS_SYSTEMERROR |
302 | || ((log_result *)resp)->lr_status == NIS_NOSUCHNAME | |
303 | || ((log_result *)resp)->lr_status == NIS_NOT_ME) | |
a334319f UD |
304 | { |
305 | if (__nisbind_next (dbp) == NIS_SUCCESS) | |
306 | { | |
307 | while (__nisbind_connect (dbp) != NIS_SUCCESS) | |
308 | { | |
309 | if (__nisbind_next (dbp) != NIS_SUCCESS) | |
310 | return NIS_SUCCESS; | |
311 | } | |
312 | } | |
313 | else | |
314 | break; /* No more servers to search in */ | |
315 | goto again; | |
316 | } | |
2d7da676 | 317 | break; |
2d7da676 UD |
318 | default: |
319 | break; | |
320 | } | |
2d7da676 UD |
321 | retcode = NIS_SUCCESS; |
322 | } | |
43b0e40f | 323 | } |
2d7da676 | 324 | while ((flags & HARD_LOOKUP) && retcode == NIS_RPCERROR); |
3996f34b UD |
325 | |
326 | return retcode; | |
43b0e40f UD |
327 | } |
328 | ||
e852e889 UD |
329 | nis_error |
330 | __do_niscall2 (const nis_server *server, u_int server_len, u_long prog, | |
331 | xdrproc_t xargs, caddr_t req, xdrproc_t xres, caddr_t resp, | |
a1129917 | 332 | unsigned int flags, nis_cb *cb) |
e852e889 UD |
333 | { |
334 | dir_binding dbp; | |
335 | nis_error status; | |
336 | ||
337 | if (flags & MASTER_ONLY) | |
338 | server_len = 1; | |
339 | ||
a334319f | 340 | status = __nisbind_create (&dbp, server, server_len, flags); |
e852e889 UD |
341 | if (status != NIS_SUCCESS) |
342 | return status; | |
343 | ||
344 | while (__nisbind_connect (&dbp) != NIS_SUCCESS) | |
cd40e3a7 UD |
345 | if (__nisbind_next (&dbp) != NIS_SUCCESS) |
346 | return NIS_NAMEUNREACHABLE; | |
e852e889 UD |
347 | |
348 | status = __do_niscall3 (&dbp, prog, xargs, req, xres, resp, flags, cb); | |
349 | ||
350 | __nisbind_destroy (&dbp); | |
351 | ||
352 | return status; | |
353 | ||
354 | } | |
355 | ||
43b0e40f | 356 | static directory_obj * |
e852e889 | 357 | rec_dirsearch (const_nis_name name, directory_obj *dir, nis_error *status) |
43b0e40f | 358 | { |
2d7da676 UD |
359 | fd_result *fd_res; |
360 | XDR xdrs; | |
43b0e40f | 361 | |
26a60f90 | 362 | switch (nis_dir_cmp (name, dir->do_name)) |
43b0e40f UD |
363 | { |
364 | case SAME_NAME: | |
3996f34b | 365 | *status = NIS_SUCCESS; |
43b0e40f UD |
366 | return dir; |
367 | case NOT_SEQUENTIAL: | |
368 | /* NOT_SEQUENTIAL means, go one up and try it there ! */ | |
369 | case HIGHER_NAME: | |
370 | { /* We need data from a parent domain */ | |
371 | directory_obj *obj; | |
a334319f UD |
372 | char ndomain [strlen (name) + 3]; |
373 | ||
374 | nis_domain_of_r (dir->do_name, ndomain, sizeof (ndomain)); | |
43b0e40f UD |
375 | |
376 | /* The root server of our domain is a replica of the parent | |
377 | domain ! (Now I understand why a root server must be a | |
378 | replica of the parent domain) */ | |
2d7da676 | 379 | fd_res = __nis_finddirectory (dir, ndomain); |
3996f34b | 380 | *status = fd_res->status; |
2d7da676 UD |
381 | if (fd_res->status != NIS_SUCCESS) |
382 | { | |
26a60f90 | 383 | /* Try the current directory obj, maybe it works */ |
af6f3906 | 384 | __free_fdresult (fd_res); |
26a60f90 | 385 | return dir; |
2d7da676 | 386 | } |
cd40e3a7 UD |
387 | obj = calloc (1, sizeof (directory_obj)); |
388 | xdrmem_create (&xdrs, fd_res->dir_data.dir_data_val, | |
389 | fd_res->dir_data.dir_data_len, XDR_DECODE); | |
390 | _xdr_directory_obj (&xdrs, obj); | |
391 | xdr_destroy (&xdrs); | |
dfd2257a | 392 | __free_fdresult (fd_res); |
a334319f UD |
393 | if (obj != NULL) |
394 | { | |
395 | /* We have found a NIS+ server serving ndomain, now | |
396 | let us search for "name" */ | |
397 | nis_free_directory (dir); | |
398 | return rec_dirsearch (name, obj, status); | |
399 | } | |
400 | else | |
401 | { | |
402 | /* Ups, very bad. Are we already the root server ? */ | |
403 | nis_free_directory (dir); | |
404 | return NULL; | |
405 | } | |
43b0e40f | 406 | } |
a334319f | 407 | break; |
43b0e40f UD |
408 | case LOWER_NAME: |
409 | { | |
410 | directory_obj *obj; | |
a53bad16 | 411 | size_t namelen = strlen (name); |
cd40e3a7 UD |
412 | char leaf[namelen + 3]; |
413 | char domain[namelen + 3]; | |
a334319f | 414 | char ndomain[namelen + 3]; |
714a562f | 415 | char *cp; |
a334319f | 416 | u_int run = 0; |
26a60f90 UD |
417 | |
418 | strcpy (domain, name); | |
3996f34b | 419 | |
43b0e40f UD |
420 | do |
421 | { | |
a53bad16 | 422 | if (domain[0] == '\0') |
43b0e40f UD |
423 | { |
424 | nis_free_directory (dir); | |
425 | return NULL; | |
426 | } | |
427 | nis_leaf_of_r (domain, leaf, sizeof (leaf)); | |
a334319f UD |
428 | nis_domain_of_r (domain, ndomain, sizeof (ndomain)); |
429 | strcpy (domain, ndomain); | |
430 | ++run; | |
43b0e40f UD |
431 | } |
432 | while (nis_dir_cmp (domain, dir->do_name) != SAME_NAME); | |
26a60f90 | 433 | |
a334319f UD |
434 | if (run == 1) |
435 | { | |
436 | /* We have found the directory above. Use it. */ | |
437 | return dir; | |
438 | } | |
439 | ||
440 | cp = strchr (leaf, '\0'); | |
714a562f UD |
441 | *cp++ = '.'; |
442 | strcpy (cp, domain); | |
3996f34b | 443 | |
2d7da676 | 444 | fd_res = __nis_finddirectory (dir, leaf); |
3996f34b | 445 | *status = fd_res->status; |
2d7da676 | 446 | if (fd_res->status != NIS_SUCCESS) |
43b0e40f | 447 | { |
26a60f90 | 448 | /* Try the current directory object, maybe it works */ |
af6f3906 | 449 | __free_fdresult (fd_res); |
26a60f90 | 450 | return dir; |
2d7da676 | 451 | } |
a334319f UD |
452 | obj = calloc(1, sizeof(directory_obj)); |
453 | xdrmem_create(&xdrs, fd_res->dir_data.dir_data_val, | |
454 | fd_res->dir_data.dir_data_len, XDR_DECODE); | |
455 | _xdr_directory_obj(&xdrs, obj); | |
456 | xdr_destroy(&xdrs); | |
457 | __free_fdresult (fd_res); | |
458 | if (obj != NULL) | |
2d7da676 | 459 | { |
a334319f UD |
460 | /* We have found a NIS+ server serving ndomain, now |
461 | let us search for "name" */ | |
462 | nis_free_directory (dir); | |
463 | return rec_dirsearch (name, obj, status); | |
43b0e40f UD |
464 | } |
465 | } | |
a334319f | 466 | break; |
43b0e40f UD |
467 | case BAD_NAME: |
468 | nis_free_directory (dir); | |
3996f34b | 469 | *status = NIS_BADNAME; |
43b0e40f UD |
470 | return NULL; |
471 | } | |
472 | nis_free_directory (dir); | |
3996f34b | 473 | *status = NIS_FAIL; |
43b0e40f UD |
474 | return NULL; |
475 | } | |
476 | ||
26a60f90 UD |
477 | /* We try to query the current server for the searched object, |
478 | maybe he know about it ? */ | |
479 | static directory_obj * | |
e852e889 | 480 | first_shoot (const_nis_name name, directory_obj *dir) |
26a60f90 | 481 | { |
7b53e1fb | 482 | directory_obj *obj = NULL; |
26a60f90 UD |
483 | fd_result *fd_res; |
484 | XDR xdrs; | |
a334319f | 485 | char domain[strlen (name) + 3]; |
26a60f90 UD |
486 | |
487 | if (nis_dir_cmp (name, dir->do_name) == SAME_NAME) | |
488 | return dir; | |
489 | ||
a334319f UD |
490 | nis_domain_of_r (name, domain, sizeof (domain)); |
491 | ||
492 | if (nis_dir_cmp (domain, dir->do_name) == SAME_NAME) | |
493 | return dir; | |
494 | ||
495 | fd_res = __nis_finddirectory (dir, domain); | |
cd40e3a7 UD |
496 | if (fd_res->status == NIS_SUCCESS |
497 | && (obj = calloc (1, sizeof (directory_obj))) != NULL) | |
26a60f90 | 498 | { |
a334319f UD |
499 | xdrmem_create(&xdrs, fd_res->dir_data.dir_data_val, |
500 | fd_res->dir_data.dir_data_len, XDR_DECODE); | |
cd40e3a7 UD |
501 | _xdr_directory_obj (&xdrs, obj); |
502 | xdr_destroy (&xdrs); | |
26a60f90 | 503 | } |
cd40e3a7 | 504 | |
26a60f90 | 505 | __free_fdresult (fd_res); |
cd40e3a7 | 506 | |
26a60f90 | 507 | if (obj != NULL) |
cd40e3a7 UD |
508 | nis_free_directory (dir); |
509 | ||
510 | return obj; | |
26a60f90 UD |
511 | } |
512 | ||
43b0e40f | 513 | nis_error |
a334319f | 514 | __nisfind_server (const_nis_name name, directory_obj **dir) |
43b0e40f | 515 | { |
2d7da676 UD |
516 | if (name == NULL) |
517 | return NIS_BADNAME; | |
43b0e40f | 518 | |
a334319f UD |
519 | #if 0 |
520 | /* Search in local cache. In the moment, we ignore the fastest server */ | |
521 | if (!(flags & NO_CACHE)) | |
522 | dir = __nis_cache_search (name, flags, &cinfo); | |
523 | #endif | |
3996f34b | 524 | |
0ecb606c | 525 | if (*dir == NULL) |
0ecb606c | 526 | { |
a334319f UD |
527 | nis_error status; |
528 | directory_obj *obj; | |
0ecb606c | 529 | |
a334319f UD |
530 | *dir = readColdStartFile (); |
531 | if (*dir == NULL) /* No /var/nis/NIS_COLD_START->no NIS+ installed */ | |
532 | return NIS_UNAVAIL; | |
533 | ||
534 | /* Try at first, if servers in "dir" know our object */ | |
535 | obj = first_shoot (name, *dir); | |
536 | if (obj == NULL) | |
a788b6c2 | 537 | { |
a334319f UD |
538 | *dir = rec_dirsearch (name, *dir, &status); |
539 | if (*dir == NULL) | |
540 | return status; | |
a788b6c2 | 541 | } |
26a60f90 | 542 | else |
a334319f | 543 | *dir = obj; |
43b0e40f | 544 | } |
43b0e40f | 545 | |
a334319f | 546 | return NIS_SUCCESS; |
0ecb606c | 547 | } |
0ecb606c | 548 | |
e852e889 UD |
549 | nis_error |
550 | __do_niscall (const_nis_name name, u_long prog, xdrproc_t xargs, | |
a1129917 | 551 | caddr_t req, xdrproc_t xres, caddr_t resp, unsigned int flags, |
e852e889 UD |
552 | nis_cb *cb) |
553 | { | |
a334319f | 554 | nis_error retcode; |
e852e889 UD |
555 | dir_binding bptr; |
556 | directory_obj *dir = NULL; | |
a334319f UD |
557 | nis_server *server; |
558 | u_int server_len; | |
e852e889 UD |
559 | int saved_errno = errno; |
560 | ||
a334319f UD |
561 | retcode = __nisfind_server (name, &dir); |
562 | if (retcode != NIS_SUCCESS) | |
563 | return retcode; | |
564 | ||
565 | if (flags & MASTER_ONLY) | |
566 | { | |
567 | server = dir->do_servers.do_servers_val; | |
568 | server_len = 1; | |
569 | } | |
570 | else | |
571 | { | |
572 | server = dir->do_servers.do_servers_val; | |
573 | server_len = dir->do_servers.do_servers_len; | |
574 | } | |
575 | ||
576 | retcode = __nisbind_create (&bptr, server, server_len, flags); | |
e852e889 UD |
577 | if (retcode == NIS_SUCCESS) |
578 | { | |
a334319f UD |
579 | while (__nisbind_connect (&bptr) != NIS_SUCCESS) |
580 | { | |
581 | if (__nisbind_next (&bptr) != NIS_SUCCESS) | |
582 | { | |
583 | nis_free_directory (dir); | |
a334319f UD |
584 | return NIS_NAMEUNREACHABLE; |
585 | } | |
586 | } | |
e852e889 | 587 | retcode = __do_niscall3 (&bptr, prog, xargs, req, xres, resp, flags, cb); |
3996f34b | 588 | |
e852e889 | 589 | __nisbind_destroy (&bptr); |
0ecb606c | 590 | } |
43b0e40f | 591 | |
a334319f UD |
592 | nis_free_directory (dir); |
593 | ||
a788b6c2 UD |
594 | __set_errno (saved_errno); |
595 | ||
2d7da676 | 596 | return retcode; |
e61abf83 | 597 | } |