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616d9133 | 1 | /* Copyright (C) 1997,1998,2001,2004,2005,2006 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 | { | |
929b1c07 UD |
43 | size_t j = 0; |
44 | for (size_t i = 0; str[i] != '\0'; ++i) | |
45 | if (str[i] == '.' && ++j == 4) | |
e61abf83 | 46 | { |
929b1c07 UD |
47 | char buffer[i + 1]; |
48 | buffer[i] = '\0'; | |
49 | return inet_addr (memcpy (buffer, str, i)); | |
e61abf83 UD |
50 | } |
51 | ||
929b1c07 | 52 | return inet_addr (str); |
e61abf83 UD |
53 | } |
54 | ||
e852e889 UD |
55 | void |
56 | __nisbind_destroy (dir_binding *bind) | |
e61abf83 | 57 | { |
2d7da676 | 58 | if (bind->clnt != NULL) |
e61abf83 | 59 | { |
2d7da676 UD |
60 | if (bind->use_auth) |
61 | auth_destroy (bind->clnt->cl_auth); | |
62 | clnt_destroy (bind->clnt); | |
63 | } | |
2d7da676 | 64 | } |
7440c23e | 65 | libnsl_hidden_def (__nisbind_destroy) |
2d7da676 | 66 | |
e852e889 UD |
67 | nis_error |
68 | __nisbind_next (dir_binding *bind) | |
2d7da676 | 69 | { |
a334319f UD |
70 | u_int j; |
71 | ||
2d7da676 UD |
72 | if (bind->clnt != NULL) |
73 | { | |
74 | if (bind->use_auth) | |
75 | auth_destroy (bind->clnt->cl_auth); | |
76 | clnt_destroy (bind->clnt); | |
77 | bind->clnt = NULL; | |
78 | } | |
3996f34b UD |
79 | |
80 | if (bind->trys >= bind->server_len) | |
81 | return NIS_FAIL; | |
82 | ||
a334319f | 83 | for (j = bind->current_ep + 1; |
3996f34b UD |
84 | j < bind->server_val[bind->server_used].ep.ep_len; ++j) |
85 | if (strcmp (bind->server_val[bind->server_used].ep.ep_val[j].family, | |
86 | "inet") == 0) | |
e852e889 | 87 | if (bind->server_val[bind->server_used].ep.ep_val[j].proto[0] == '-') |
3996f34b UD |
88 | { |
89 | bind->current_ep = j; | |
90 | return NIS_SUCCESS; | |
91 | } | |
92 | ||
93 | ++bind->trys; | |
94 | ++bind->server_used; | |
95 | if (bind->server_used >= bind->server_len) | |
96 | bind->server_used = 0; | |
97 | ||
a334319f | 98 | for (j = 0; j < bind->server_val[bind->server_used].ep.ep_len; ++j) |
3996f34b UD |
99 | if (strcmp (bind->server_val[bind->server_used].ep.ep_val[j].family, |
100 | "inet") == 0) | |
d6db1d53 | 101 | if (bind->server_val[bind->server_used].ep.ep_val[j].proto[0] == '-') |
3996f34b UD |
102 | { |
103 | bind->current_ep = j; | |
104 | return NIS_SUCCESS; | |
105 | } | |
106 | ||
107 | return NIS_FAIL; | |
2d7da676 | 108 | } |
7440c23e | 109 | libnsl_hidden_def (__nisbind_next) |
2d7da676 | 110 | |
e852e889 UD |
111 | nis_error |
112 | __nisbind_connect (dir_binding *dbp) | |
2d7da676 | 113 | { |
2d7da676 | 114 | nis_server *serv; |
2d7da676 UD |
115 | |
116 | if (dbp == NULL) | |
117 | return NIS_FAIL; | |
118 | ||
119 | serv = &dbp->server_val[dbp->server_used]; | |
120 | ||
121 | memset (&dbp->addr, '\0', sizeof (dbp->addr)); | |
122 | dbp->addr.sin_family = AF_INET; | |
3996f34b UD |
123 | |
124 | dbp->addr.sin_addr.s_addr = | |
125 | inetstr2int (serv->ep.ep_val[dbp->current_ep].uaddr); | |
126 | ||
a334319f | 127 | if (dbp->addr.sin_addr.s_addr == 0) |
2d7da676 UD |
128 | return NIS_FAIL; |
129 | ||
26a60f90 UD |
130 | /* Check, if the host is online and rpc.nisd is running. Much faster |
131 | then the clnt*_create functions: */ | |
a334319f | 132 | if (__pmap_getnisport (&dbp->addr, NIS_PROG, NIS_VERSION, IPPROTO_UDP) == 0) |
26a60f90 UD |
133 | return NIS_RPCERROR; |
134 | ||
2d7da676 UD |
135 | dbp->socket = RPC_ANYSOCK; |
136 | if (dbp->use_udp) | |
137 | dbp->clnt = clntudp_create (&dbp->addr, NIS_PROG, NIS_VERSION, | |
cc3fa755 | 138 | UDPTIMEOUT, &dbp->socket); |
2d7da676 UD |
139 | else |
140 | dbp->clnt = clnttcp_create (&dbp->addr, NIS_PROG, NIS_VERSION, | |
141 | &dbp->socket, 0, 0); | |
3996f34b | 142 | |
2d7da676 UD |
143 | if (dbp->clnt == NULL) |
144 | return NIS_RPCERROR; | |
3996f34b | 145 | |
cd40e3a7 | 146 | clnt_control (dbp->clnt, CLSET_TIMEOUT, (caddr_t) &RPCTIMEOUT); |
2d7da676 UD |
147 | /* If the program exists, close the socket */ |
148 | if (fcntl (dbp->socket, F_SETFD, 1) == -1) | |
a18f73be | 149 | perror ("fcntl: F_SETFD"); |
3996f34b | 150 | |
2d7da676 UD |
151 | if (dbp->use_auth) |
152 | { | |
e852e889 | 153 | if (serv->key_type == NIS_PK_DH) |
e61abf83 | 154 | { |
cd40e3a7 | 155 | char netname[MAXNETNAMELEN + 1]; |
2d7da676 | 156 | char *p; |
3996f34b | 157 | |
a334319f | 158 | p = stpcpy (netname, "unix."); |
cd40e3a7 | 159 | strncpy (p, serv->name, MAXNETNAMELEN - 5); |
2d7da676 | 160 | netname[MAXNETNAMELEN] = '\0'; |
a334319f UD |
161 | // XXX What is this supposed to do? If we really want to replace |
162 | // XXX the first dot, then we might as well use unix@ as the | |
163 | // XXX prefix string. --drepper | |
164 | p = strchr (netname, '.'); | |
165 | *p = '@'; | |
166 | dbp->clnt->cl_auth = | |
167 | authdes_pk_create (netname, &serv->pkey, 300, NULL, NULL); | |
2d7da676 UD |
168 | if (!dbp->clnt->cl_auth) |
169 | dbp->clnt->cl_auth = authunix_create_default (); | |
e61abf83 | 170 | } |
2d7da676 | 171 | else |
2d7da676 | 172 | dbp->clnt->cl_auth = authunix_create_default (); |
2d7da676 | 173 | } |
3996f34b | 174 | |
2d7da676 UD |
175 | return NIS_SUCCESS; |
176 | } | |
7440c23e | 177 | libnsl_hidden_def (__nisbind_connect) |
26dee9c4 | 178 | |
e852e889 | 179 | nis_error |
a1129917 | 180 | __nisbind_create (dir_binding *dbp, const nis_server *serv_val, |
a334319f | 181 | unsigned int serv_len, unsigned int flags) |
2d7da676 | 182 | { |
d6db1d53 | 183 | dbp->clnt = NULL; |
3996f34b | 184 | |
2d7da676 | 185 | dbp->server_len = serv_len; |
d6db1d53 | 186 | dbp->server_val = (nis_server *)serv_val; |
3996f34b UD |
187 | |
188 | if (flags & USE_DGRAM) | |
189 | dbp->use_udp = TRUE; | |
190 | else | |
191 | dbp->use_udp = FALSE; | |
192 | ||
193 | if (flags & NO_AUTHINFO) | |
194 | dbp->use_auth = FALSE; | |
195 | else | |
196 | dbp->use_auth = TRUE; | |
197 | ||
198 | if (flags & MASTER_ONLY) | |
199 | dbp->master_only = TRUE; | |
200 | else | |
201 | dbp->master_only = FALSE; | |
202 | ||
26a60f90 | 203 | /* We try the first server */ |
3996f34b UD |
204 | dbp->trys = 1; |
205 | ||
ac9f45cf | 206 | dbp->class = -1; |
a334319f | 207 | if (__nis_findfastest (dbp) < 1) |
8c058eec | 208 | return NIS_NAMEUNREACHABLE; |
2d7da676 | 209 | |
d6db1d53 | 210 | return NIS_SUCCESS; |
e61abf83 | 211 | } |
7440c23e | 212 | libnsl_hidden_def (__nisbind_create) |
e61abf83 | 213 | |
e852e889 UD |
214 | /* __nisbind_connect (dbp) must be run before calling this function ! |
215 | So we could use the same binding twice */ | |
e61abf83 | 216 | nis_error |
e852e889 | 217 | __do_niscall3 (dir_binding *dbp, u_long prog, xdrproc_t xargs, caddr_t req, |
a1129917 | 218 | xdrproc_t xres, caddr_t resp, unsigned int flags, nis_cb *cb) |
e61abf83 | 219 | { |
2d7da676 UD |
220 | enum clnt_stat result; |
221 | nis_error retcode; | |
2d7da676 | 222 | |
e852e889 | 223 | if (dbp == NULL) |
a5a0310d | 224 | return NIS_NAMEUNREACHABLE; |
e61abf83 | 225 | |
2d7da676 | 226 | do |
43b0e40f | 227 | { |
2d7da676 | 228 | again: |
e852e889 | 229 | result = clnt_call (dbp->clnt, prog, xargs, req, xres, resp, RPCTIMEOUT); |
3996f34b | 230 | |
43b0e40f | 231 | if (result != RPC_SUCCESS) |
e852e889 | 232 | retcode = NIS_RPCERROR; |
43b0e40f | 233 | else |
2d7da676 UD |
234 | { |
235 | switch (prog) | |
236 | { | |
650425ce UD |
237 | case NIS_IBLIST: |
238 | if ((((nis_result *)resp)->status == NIS_CBRESULTS) && | |
239 | (cb != NULL)) | |
240 | { | |
cd40e3a7 | 241 | __nis_do_callback (dbp, &((nis_result *) resp)->cookie, cb); |
650425ce UD |
242 | break; |
243 | } | |
e852e889 UD |
244 | /* Yes, the missing break is correct. If we doesn't have to |
245 | start a callback, look if we have to search another server */ | |
2d7da676 UD |
246 | case NIS_LOOKUP: |
247 | case NIS_ADD: | |
248 | case NIS_MODIFY: | |
249 | case NIS_REMOVE: | |
2d7da676 UD |
250 | case NIS_IBADD: |
251 | case NIS_IBMODIFY: | |
252 | case NIS_IBREMOVE: | |
253 | case NIS_IBFIRST: | |
254 | case NIS_IBNEXT: | |
cd40e3a7 UD |
255 | if (((nis_result *)resp)->status == NIS_SYSTEMERROR |
256 | || ((nis_result *)resp)->status == NIS_NOSUCHNAME | |
257 | || ((nis_result *)resp)->status == NIS_NOT_ME) | |
3996f34b | 258 | { |
e852e889 | 259 | if (__nisbind_next (dbp) == NIS_SUCCESS) |
650425ce | 260 | { |
e852e889 | 261 | while (__nisbind_connect (dbp) != NIS_SUCCESS) |
650425ce | 262 | { |
e852e889 | 263 | if (__nisbind_next (dbp) != NIS_SUCCESS) |
650425ce | 264 | return NIS_SUCCESS; |
650425ce UD |
265 | } |
266 | } | |
267 | else | |
268 | break; /* No more servers to search in */ | |
2d7da676 | 269 | goto again; |
3996f34b | 270 | } |
a5a0310d | 271 | break; |
2d7da676 | 272 | case NIS_FINDDIRECTORY: |
cd40e3a7 UD |
273 | if (((fd_result *)resp)->status == NIS_SYSTEMERROR |
274 | || ((fd_result *)resp)->status == NIS_NOSUCHNAME | |
275 | || ((fd_result *)resp)->status == NIS_NOT_ME) | |
a334319f UD |
276 | { |
277 | if (__nisbind_next (dbp) == NIS_SUCCESS) | |
278 | { | |
279 | while (__nisbind_connect (dbp) != NIS_SUCCESS) | |
280 | { | |
281 | if (__nisbind_next (dbp) != NIS_SUCCESS) | |
282 | return NIS_SUCCESS; | |
283 | } | |
284 | } | |
285 | else | |
286 | break; /* No more servers to search in */ | |
287 | goto again; | |
288 | } | |
2d7da676 UD |
289 | break; |
290 | case NIS_DUMPLOG: /* log_result */ | |
291 | case NIS_DUMP: | |
cd40e3a7 UD |
292 | if (((log_result *)resp)->lr_status == NIS_SYSTEMERROR |
293 | || ((log_result *)resp)->lr_status == NIS_NOSUCHNAME | |
294 | || ((log_result *)resp)->lr_status == NIS_NOT_ME) | |
a334319f UD |
295 | { |
296 | if (__nisbind_next (dbp) == NIS_SUCCESS) | |
297 | { | |
298 | while (__nisbind_connect (dbp) != NIS_SUCCESS) | |
299 | { | |
300 | if (__nisbind_next (dbp) != NIS_SUCCESS) | |
301 | return NIS_SUCCESS; | |
302 | } | |
303 | } | |
304 | else | |
305 | break; /* No more servers to search in */ | |
306 | goto again; | |
307 | } | |
2d7da676 | 308 | break; |
2d7da676 UD |
309 | default: |
310 | break; | |
311 | } | |
2d7da676 UD |
312 | retcode = NIS_SUCCESS; |
313 | } | |
43b0e40f | 314 | } |
2d7da676 | 315 | while ((flags & HARD_LOOKUP) && retcode == NIS_RPCERROR); |
3996f34b UD |
316 | |
317 | return retcode; | |
43b0e40f UD |
318 | } |
319 | ||
e852e889 UD |
320 | nis_error |
321 | __do_niscall2 (const nis_server *server, u_int server_len, u_long prog, | |
322 | xdrproc_t xargs, caddr_t req, xdrproc_t xres, caddr_t resp, | |
a1129917 | 323 | unsigned int flags, nis_cb *cb) |
e852e889 UD |
324 | { |
325 | dir_binding dbp; | |
326 | nis_error status; | |
327 | ||
328 | if (flags & MASTER_ONLY) | |
329 | server_len = 1; | |
330 | ||
a334319f | 331 | status = __nisbind_create (&dbp, server, server_len, flags); |
e852e889 UD |
332 | if (status != NIS_SUCCESS) |
333 | return status; | |
334 | ||
335 | while (__nisbind_connect (&dbp) != NIS_SUCCESS) | |
cd40e3a7 UD |
336 | if (__nisbind_next (&dbp) != NIS_SUCCESS) |
337 | return NIS_NAMEUNREACHABLE; | |
e852e889 UD |
338 | |
339 | status = __do_niscall3 (&dbp, prog, xargs, req, xres, resp, flags, cb); | |
340 | ||
341 | __nisbind_destroy (&dbp); | |
342 | ||
343 | return status; | |
344 | ||
345 | } | |
346 | ||
43b0e40f | 347 | static directory_obj * |
e852e889 | 348 | rec_dirsearch (const_nis_name name, directory_obj *dir, nis_error *status) |
43b0e40f | 349 | { |
2d7da676 UD |
350 | fd_result *fd_res; |
351 | XDR xdrs; | |
43b0e40f | 352 | |
26a60f90 | 353 | switch (nis_dir_cmp (name, dir->do_name)) |
43b0e40f UD |
354 | { |
355 | case SAME_NAME: | |
3996f34b | 356 | *status = NIS_SUCCESS; |
43b0e40f UD |
357 | return dir; |
358 | case NOT_SEQUENTIAL: | |
359 | /* NOT_SEQUENTIAL means, go one up and try it there ! */ | |
360 | case HIGHER_NAME: | |
361 | { /* We need data from a parent domain */ | |
362 | directory_obj *obj; | |
a334319f UD |
363 | char ndomain [strlen (name) + 3]; |
364 | ||
365 | nis_domain_of_r (dir->do_name, ndomain, sizeof (ndomain)); | |
43b0e40f UD |
366 | |
367 | /* The root server of our domain is a replica of the parent | |
368 | domain ! (Now I understand why a root server must be a | |
369 | replica of the parent domain) */ | |
2d7da676 | 370 | fd_res = __nis_finddirectory (dir, ndomain); |
3996f34b | 371 | *status = fd_res->status; |
2d7da676 UD |
372 | if (fd_res->status != NIS_SUCCESS) |
373 | { | |
26a60f90 | 374 | /* Try the current directory obj, maybe it works */ |
af6f3906 | 375 | __free_fdresult (fd_res); |
26a60f90 | 376 | return dir; |
2d7da676 | 377 | } |
cd40e3a7 UD |
378 | obj = calloc (1, sizeof (directory_obj)); |
379 | xdrmem_create (&xdrs, fd_res->dir_data.dir_data_val, | |
380 | fd_res->dir_data.dir_data_len, XDR_DECODE); | |
381 | _xdr_directory_obj (&xdrs, obj); | |
382 | xdr_destroy (&xdrs); | |
dfd2257a | 383 | __free_fdresult (fd_res); |
a334319f UD |
384 | if (obj != NULL) |
385 | { | |
386 | /* We have found a NIS+ server serving ndomain, now | |
387 | let us search for "name" */ | |
388 | nis_free_directory (dir); | |
389 | return rec_dirsearch (name, obj, status); | |
390 | } | |
391 | else | |
392 | { | |
393 | /* Ups, very bad. Are we already the root server ? */ | |
394 | nis_free_directory (dir); | |
395 | return NULL; | |
396 | } | |
43b0e40f | 397 | } |
a334319f | 398 | break; |
43b0e40f UD |
399 | case LOWER_NAME: |
400 | { | |
401 | directory_obj *obj; | |
a53bad16 | 402 | size_t namelen = strlen (name); |
cd40e3a7 UD |
403 | char leaf[namelen + 3]; |
404 | char domain[namelen + 3]; | |
a334319f | 405 | char ndomain[namelen + 3]; |
714a562f | 406 | char *cp; |
a334319f | 407 | u_int run = 0; |
26a60f90 UD |
408 | |
409 | strcpy (domain, name); | |
3996f34b | 410 | |
43b0e40f UD |
411 | do |
412 | { | |
a53bad16 | 413 | if (domain[0] == '\0') |
43b0e40f UD |
414 | { |
415 | nis_free_directory (dir); | |
416 | return NULL; | |
417 | } | |
418 | nis_leaf_of_r (domain, leaf, sizeof (leaf)); | |
a334319f UD |
419 | nis_domain_of_r (domain, ndomain, sizeof (ndomain)); |
420 | strcpy (domain, ndomain); | |
421 | ++run; | |
43b0e40f UD |
422 | } |
423 | while (nis_dir_cmp (domain, dir->do_name) != SAME_NAME); | |
26a60f90 | 424 | |
a334319f UD |
425 | if (run == 1) |
426 | { | |
427 | /* We have found the directory above. Use it. */ | |
428 | return dir; | |
429 | } | |
430 | ||
616d9133 | 431 | cp = rawmemchr (leaf, '\0'); |
714a562f UD |
432 | *cp++ = '.'; |
433 | strcpy (cp, domain); | |
3996f34b | 434 | |
2d7da676 | 435 | fd_res = __nis_finddirectory (dir, leaf); |
3996f34b | 436 | *status = fd_res->status; |
2d7da676 | 437 | if (fd_res->status != NIS_SUCCESS) |
43b0e40f | 438 | { |
26a60f90 | 439 | /* Try the current directory object, maybe it works */ |
af6f3906 | 440 | __free_fdresult (fd_res); |
26a60f90 | 441 | return dir; |
2d7da676 | 442 | } |
a334319f UD |
443 | obj = calloc(1, sizeof(directory_obj)); |
444 | xdrmem_create(&xdrs, fd_res->dir_data.dir_data_val, | |
445 | fd_res->dir_data.dir_data_len, XDR_DECODE); | |
446 | _xdr_directory_obj(&xdrs, obj); | |
447 | xdr_destroy(&xdrs); | |
448 | __free_fdresult (fd_res); | |
449 | if (obj != NULL) | |
2d7da676 | 450 | { |
a334319f UD |
451 | /* We have found a NIS+ server serving ndomain, now |
452 | let us search for "name" */ | |
453 | nis_free_directory (dir); | |
454 | return rec_dirsearch (name, obj, status); | |
43b0e40f UD |
455 | } |
456 | } | |
a334319f | 457 | break; |
43b0e40f UD |
458 | case BAD_NAME: |
459 | nis_free_directory (dir); | |
3996f34b | 460 | *status = NIS_BADNAME; |
43b0e40f UD |
461 | return NULL; |
462 | } | |
463 | nis_free_directory (dir); | |
3996f34b | 464 | *status = NIS_FAIL; |
43b0e40f UD |
465 | return NULL; |
466 | } | |
467 | ||
26a60f90 UD |
468 | /* We try to query the current server for the searched object, |
469 | maybe he know about it ? */ | |
470 | static directory_obj * | |
e852e889 | 471 | first_shoot (const_nis_name name, directory_obj *dir) |
26a60f90 | 472 | { |
7b53e1fb | 473 | directory_obj *obj = NULL; |
26a60f90 UD |
474 | fd_result *fd_res; |
475 | XDR xdrs; | |
a334319f | 476 | char domain[strlen (name) + 3]; |
26a60f90 UD |
477 | |
478 | if (nis_dir_cmp (name, dir->do_name) == SAME_NAME) | |
479 | return dir; | |
480 | ||
a334319f UD |
481 | nis_domain_of_r (name, domain, sizeof (domain)); |
482 | ||
483 | if (nis_dir_cmp (domain, dir->do_name) == SAME_NAME) | |
484 | return dir; | |
485 | ||
486 | fd_res = __nis_finddirectory (dir, domain); | |
cd40e3a7 UD |
487 | if (fd_res->status == NIS_SUCCESS |
488 | && (obj = calloc (1, sizeof (directory_obj))) != NULL) | |
26a60f90 | 489 | { |
a334319f UD |
490 | xdrmem_create(&xdrs, fd_res->dir_data.dir_data_val, |
491 | fd_res->dir_data.dir_data_len, XDR_DECODE); | |
cd40e3a7 UD |
492 | _xdr_directory_obj (&xdrs, obj); |
493 | xdr_destroy (&xdrs); | |
26a60f90 | 494 | } |
cd40e3a7 | 495 | |
26a60f90 | 496 | __free_fdresult (fd_res); |
cd40e3a7 | 497 | |
26a60f90 | 498 | if (obj != NULL) |
cd40e3a7 UD |
499 | nis_free_directory (dir); |
500 | ||
501 | return obj; | |
26a60f90 UD |
502 | } |
503 | ||
43b0e40f | 504 | nis_error |
a334319f | 505 | __nisfind_server (const_nis_name name, directory_obj **dir) |
43b0e40f | 506 | { |
2d7da676 UD |
507 | if (name == NULL) |
508 | return NIS_BADNAME; | |
43b0e40f | 509 | |
a334319f UD |
510 | #if 0 |
511 | /* Search in local cache. In the moment, we ignore the fastest server */ | |
512 | if (!(flags & NO_CACHE)) | |
513 | dir = __nis_cache_search (name, flags, &cinfo); | |
514 | #endif | |
3996f34b | 515 | |
0ecb606c | 516 | if (*dir == NULL) |
0ecb606c | 517 | { |
a334319f UD |
518 | nis_error status; |
519 | directory_obj *obj; | |
0ecb606c | 520 | |
a334319f UD |
521 | *dir = readColdStartFile (); |
522 | if (*dir == NULL) /* No /var/nis/NIS_COLD_START->no NIS+ installed */ | |
523 | return NIS_UNAVAIL; | |
524 | ||
525 | /* Try at first, if servers in "dir" know our object */ | |
526 | obj = first_shoot (name, *dir); | |
527 | if (obj == NULL) | |
a788b6c2 | 528 | { |
a334319f UD |
529 | *dir = rec_dirsearch (name, *dir, &status); |
530 | if (*dir == NULL) | |
531 | return status; | |
a788b6c2 | 532 | } |
26a60f90 | 533 | else |
a334319f | 534 | *dir = obj; |
43b0e40f | 535 | } |
43b0e40f | 536 | |
a334319f | 537 | return NIS_SUCCESS; |
0ecb606c | 538 | } |
0ecb606c | 539 | |
e852e889 UD |
540 | nis_error |
541 | __do_niscall (const_nis_name name, u_long prog, xdrproc_t xargs, | |
a1129917 | 542 | caddr_t req, xdrproc_t xres, caddr_t resp, unsigned int flags, |
e852e889 UD |
543 | nis_cb *cb) |
544 | { | |
a334319f | 545 | nis_error retcode; |
e852e889 UD |
546 | dir_binding bptr; |
547 | directory_obj *dir = NULL; | |
a334319f UD |
548 | nis_server *server; |
549 | u_int server_len; | |
e852e889 UD |
550 | int saved_errno = errno; |
551 | ||
a334319f UD |
552 | retcode = __nisfind_server (name, &dir); |
553 | if (retcode != NIS_SUCCESS) | |
554 | return retcode; | |
555 | ||
556 | if (flags & MASTER_ONLY) | |
557 | { | |
558 | server = dir->do_servers.do_servers_val; | |
559 | server_len = 1; | |
560 | } | |
561 | else | |
562 | { | |
563 | server = dir->do_servers.do_servers_val; | |
564 | server_len = dir->do_servers.do_servers_len; | |
565 | } | |
566 | ||
567 | retcode = __nisbind_create (&bptr, server, server_len, flags); | |
e852e889 UD |
568 | if (retcode == NIS_SUCCESS) |
569 | { | |
a334319f UD |
570 | while (__nisbind_connect (&bptr) != NIS_SUCCESS) |
571 | { | |
572 | if (__nisbind_next (&bptr) != NIS_SUCCESS) | |
573 | { | |
574 | nis_free_directory (dir); | |
a334319f UD |
575 | return NIS_NAMEUNREACHABLE; |
576 | } | |
577 | } | |
e852e889 | 578 | retcode = __do_niscall3 (&bptr, prog, xargs, req, xres, resp, flags, cb); |
3996f34b | 579 | |
e852e889 | 580 | __nisbind_destroy (&bptr); |
0ecb606c | 581 | } |
43b0e40f | 582 | |
a334319f UD |
583 | nis_free_directory (dir); |
584 | ||
a788b6c2 UD |
585 | __set_errno (saved_errno); |
586 | ||
2d7da676 | 587 | return retcode; |
e61abf83 | 588 | } |