Commit | Line | Data |
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84004dbf RS |
1 | /* |
2 | Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com> | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU Lesser General Public License as published by | |
6 | the Free Software Foundation; either version 2.1 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public License | |
15 | along with this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | /* | |
18 | * High level api to nfs filesystems | |
19 | */ | |
20 | ||
9a96dd46 | 21 | #include "config.h" |
84004dbf RS |
22 | #include <stdio.h> |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <strings.h> | |
26 | #include <sys/types.h> | |
27 | #include <sys/stat.h> | |
28 | #include <sys/statvfs.h> | |
552c7665 | 29 | #include <sys/ioctl.h> |
84004dbf RS |
30 | #include <unistd.h> |
31 | #include <fcntl.h> | |
32 | #include <errno.h> | |
33 | #include <poll.h> | |
b989ca9c | 34 | #include <sys/socket.h> |
552c7665 RS |
35 | #include <net/if.h> |
36 | #include <netdb.h> | |
84004dbf RS |
37 | #include "libnfs.h" |
38 | #include "libnfs-raw.h" | |
39 | #include "libnfs-raw-mount.h" | |
40 | #include "libnfs-raw-nfs.h" | |
1896d37b | 41 | #include "libnfs-private.h" |
84004dbf RS |
42 | |
43 | struct sync_cb_data { | |
44 | int is_finished; | |
45 | int status; | |
46 | off_t offset; | |
47 | void *return_data; | |
48 | int return_int; | |
49 | }; | |
50 | ||
51 | ||
df5af25f | 52 | static void wait_for_reply(struct rpc_context *rpc, struct sync_cb_data *cb_data) |
84004dbf RS |
53 | { |
54 | struct pollfd pfd; | |
55 | ||
b077fdeb RS |
56 | while (!cb_data->is_finished) { |
57 | ||
df5af25f RS |
58 | pfd.fd = rpc_get_fd(rpc); |
59 | pfd.events = rpc_which_events(rpc); | |
84004dbf | 60 | if (poll(&pfd, 1, -1) < 0) { |
df5af25f | 61 | rpc_set_error(rpc, "Poll failed"); |
84004dbf RS |
62 | cb_data->status = -EIO; |
63 | break; | |
64 | } | |
df5af25f RS |
65 | if (rpc_service(rpc, pfd.revents) < 0) { |
66 | rpc_set_error(rpc, "rpc_service failed"); | |
84004dbf RS |
67 | cb_data->status = -EIO; |
68 | break; | |
69 | } | |
b077fdeb RS |
70 | if (rpc_get_fd(rpc) == -1) { |
71 | rpc_set_error(rpc, "Socket closed\n"); | |
72 | break; | |
73 | } | |
74 | } | |
75 | } | |
76 | ||
77 | static void wait_for_nfs_reply(struct nfs_context *nfs, struct sync_cb_data *cb_data) | |
78 | { | |
79 | struct pollfd pfd; | |
80 | ||
81 | while (!cb_data->is_finished) { | |
82 | ||
83 | pfd.fd = nfs_get_fd(nfs); | |
84 | pfd.events = nfs_which_events(nfs); | |
85 | if (poll(&pfd, 1, -1) < 0) { | |
86 | nfs_set_error(nfs, "Poll failed"); | |
87 | cb_data->status = -EIO; | |
88 | break; | |
89 | } | |
90 | if (nfs_service(nfs, pfd.revents) < 0) { | |
91 | nfs_set_error(nfs, "nfs_service failed"); | |
92 | cb_data->status = -EIO; | |
93 | break; | |
94 | } | |
95 | if (nfs_get_fd(nfs) == -1) { | |
96 | char *server = strdup(nfs_get_server(nfs)); | |
97 | char *export = strdup(nfs_get_export(nfs)); | |
98 | ||
99 | if (nfs_mount(nfs, server, export) != 0) { | |
100 | nfs_set_error(nfs, "Failed to reconnect to nfs server %s", nfs_get_error(nfs)); | |
101 | free(server); | |
102 | free(export); | |
103 | break; | |
104 | } | |
105 | free(server); | |
106 | free(export); | |
107 | } | |
84004dbf RS |
108 | } |
109 | } | |
110 | ||
111 | ||
112 | ||
113 | ||
114 | ||
115 | ||
116 | /* | |
117 | * connect to the server and mount the export | |
118 | */ | |
1896d37b | 119 | static void mount_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
120 | { |
121 | struct sync_cb_data *cb_data = private_data; | |
122 | ||
123 | cb_data->is_finished = 1; | |
124 | cb_data->status = status; | |
125 | ||
126 | if (status < 0) { | |
1896d37b | 127 | nfs_set_error(nfs, "mount/mnt call failed with \"%s\"", (char *)data); |
84004dbf RS |
128 | return; |
129 | } | |
130 | } | |
131 | ||
e2ba5764 | 132 | int nfs_mount(struct nfs_context *nfs, const char *server, const char *export) |
84004dbf RS |
133 | { |
134 | struct sync_cb_data cb_data; | |
135 | ||
136 | cb_data.is_finished = 0; | |
137 | ||
138 | if (nfs_mount_async(nfs, server, export, mount_cb, &cb_data) != 0) { | |
1896d37b | 139 | nfs_set_error(nfs, "nfs_mount_async failed"); |
84004dbf RS |
140 | return -1; |
141 | } | |
142 | ||
b077fdeb | 143 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
144 | |
145 | return cb_data.status; | |
146 | } | |
147 | ||
148 | ||
149 | /* | |
150 | * stat() | |
151 | */ | |
1896d37b | 152 | static void stat_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
153 | { |
154 | struct sync_cb_data *cb_data = private_data; | |
155 | ||
156 | cb_data->is_finished = 1; | |
157 | cb_data->status = status; | |
158 | ||
159 | if (status < 0) { | |
1896d37b | 160 | nfs_set_error(nfs, "stat call failed with \"%s\"", (char *)data); |
84004dbf RS |
161 | return; |
162 | } | |
163 | ||
164 | memcpy(cb_data->return_data, data, sizeof(struct stat)); | |
165 | } | |
166 | ||
e2ba5764 | 167 | int nfs_stat(struct nfs_context *nfs, const char *path, struct stat *st) |
84004dbf RS |
168 | { |
169 | struct sync_cb_data cb_data; | |
170 | ||
171 | cb_data.is_finished = 0; | |
172 | cb_data.return_data = st; | |
173 | ||
174 | if (nfs_stat_async(nfs, path, stat_cb, &cb_data) != 0) { | |
1896d37b | 175 | nfs_set_error(nfs, "nfs_stat_async failed"); |
84004dbf RS |
176 | return -1; |
177 | } | |
178 | ||
b077fdeb | 179 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
180 | |
181 | return cb_data.status; | |
182 | } | |
183 | ||
184 | ||
185 | ||
186 | ||
187 | /* | |
188 | * open() | |
189 | */ | |
1896d37b | 190 | static void open_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
191 | { |
192 | struct sync_cb_data *cb_data = private_data; | |
193 | struct nfsfh *fh, **nfsfh; | |
194 | ||
195 | cb_data->is_finished = 1; | |
196 | cb_data->status = status; | |
197 | ||
198 | if (status < 0) { | |
1896d37b | 199 | nfs_set_error(nfs, "open call failed with \"%s\"", (char *)data); |
84004dbf RS |
200 | return; |
201 | } | |
202 | ||
203 | fh = data; | |
204 | nfsfh = cb_data->return_data; | |
205 | *nfsfh = fh; | |
206 | } | |
207 | ||
e2ba5764 | 208 | int nfs_open(struct nfs_context *nfs, const char *path, int mode, struct nfsfh **nfsfh) |
84004dbf RS |
209 | { |
210 | struct sync_cb_data cb_data; | |
211 | ||
212 | cb_data.is_finished = 0; | |
213 | cb_data.return_data = nfsfh; | |
214 | ||
215 | if (nfs_open_async(nfs, path, mode, open_cb, &cb_data) != 0) { | |
1896d37b | 216 | nfs_set_error(nfs, "nfs_open_async failed"); |
84004dbf RS |
217 | return -1; |
218 | } | |
219 | ||
b077fdeb | 220 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
221 | |
222 | return cb_data.status; | |
223 | } | |
224 | ||
225 | ||
226 | ||
227 | ||
228 | /* | |
229 | * pread() | |
230 | */ | |
1896d37b | 231 | static void pread_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
232 | { |
233 | struct sync_cb_data *cb_data = private_data; | |
234 | char *buffer; | |
235 | cb_data->is_finished = 1; | |
236 | cb_data->status = status; | |
237 | ||
238 | if (status < 0) { | |
1896d37b | 239 | nfs_set_error(nfs, "pread call failed with \"%s\"", (char *)data); |
84004dbf RS |
240 | return; |
241 | } | |
242 | ||
243 | buffer = cb_data->return_data; | |
244 | memcpy(buffer, (char *)data, status); | |
245 | } | |
246 | ||
e2ba5764 | 247 | int nfs_pread(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buffer) |
84004dbf RS |
248 | { |
249 | struct sync_cb_data cb_data; | |
250 | ||
251 | cb_data.is_finished = 0; | |
252 | cb_data.return_data = buffer; | |
253 | ||
254 | if (nfs_pread_async(nfs, nfsfh, offset, count, pread_cb, &cb_data) != 0) { | |
1896d37b | 255 | nfs_set_error(nfs, "nfs_pread_async failed"); |
84004dbf RS |
256 | return -1; |
257 | } | |
258 | ||
b077fdeb | 259 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
260 | |
261 | return cb_data.status; | |
262 | } | |
263 | ||
264 | /* | |
265 | * read() | |
266 | */ | |
e2ba5764 | 267 | int nfs_read(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buffer) |
84004dbf | 268 | { |
e2ba5764 | 269 | return nfs_pread(nfs, nfsfh, nfs_get_current_offset(nfsfh), count, buffer); |
84004dbf RS |
270 | } |
271 | ||
272 | /* | |
273 | * close() | |
274 | */ | |
1896d37b | 275 | static void close_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
276 | { |
277 | struct sync_cb_data *cb_data = private_data; | |
278 | cb_data->is_finished = 1; | |
279 | cb_data->status = status; | |
280 | ||
281 | if (status < 0) { | |
1896d37b | 282 | nfs_set_error(nfs, "close call failed with \"%s\"", (char *)data); |
84004dbf RS |
283 | return; |
284 | } | |
285 | } | |
286 | ||
e2ba5764 | 287 | int nfs_close(struct nfs_context *nfs, struct nfsfh *nfsfh) |
84004dbf RS |
288 | { |
289 | struct sync_cb_data cb_data; | |
290 | ||
291 | cb_data.is_finished = 0; | |
292 | ||
293 | if (nfs_close_async(nfs, nfsfh, close_cb, &cb_data) != 0) { | |
1896d37b | 294 | nfs_set_error(nfs, "nfs_close_async failed"); |
84004dbf RS |
295 | return -1; |
296 | } | |
297 | ||
b077fdeb | 298 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
299 | |
300 | return cb_data.status; | |
301 | } | |
302 | ||
303 | ||
304 | ||
305 | ||
306 | /* | |
307 | * fstat() | |
308 | */ | |
e2ba5764 | 309 | int nfs_fstat(struct nfs_context *nfs, struct nfsfh *nfsfh, struct stat *st) |
84004dbf RS |
310 | { |
311 | struct sync_cb_data cb_data; | |
312 | ||
313 | cb_data.is_finished = 0; | |
314 | cb_data.return_data = st; | |
315 | ||
316 | if (nfs_fstat_async(nfs, nfsfh, stat_cb, &cb_data) != 0) { | |
1896d37b | 317 | nfs_set_error(nfs, "nfs_fstat_async failed"); |
84004dbf RS |
318 | return -1; |
319 | } | |
320 | ||
b077fdeb | 321 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
322 | |
323 | return cb_data.status; | |
324 | } | |
325 | ||
326 | ||
327 | /* | |
328 | * pwrite() | |
329 | */ | |
1896d37b | 330 | static void pwrite_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
331 | { |
332 | struct sync_cb_data *cb_data = private_data; | |
333 | cb_data->is_finished = 1; | |
334 | cb_data->status = status; | |
335 | ||
336 | if (status < 0) { | |
1896d37b | 337 | nfs_set_error(nfs, "pwrite call failed with \"%s\"", (char *)data); |
84004dbf RS |
338 | return; |
339 | } | |
340 | } | |
341 | ||
e2ba5764 | 342 | int nfs_pwrite(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buf) |
84004dbf RS |
343 | { |
344 | struct sync_cb_data cb_data; | |
345 | ||
346 | cb_data.is_finished = 0; | |
347 | ||
348 | if (nfs_pwrite_async(nfs, nfsfh, offset, count, buf, pwrite_cb, &cb_data) != 0) { | |
1896d37b | 349 | nfs_set_error(nfs, "nfs_pwrite_async failed"); |
84004dbf RS |
350 | return -1; |
351 | } | |
352 | ||
b077fdeb | 353 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
354 | |
355 | return cb_data.status; | |
356 | } | |
357 | ||
358 | /* | |
359 | * write() | |
360 | */ | |
e2ba5764 | 361 | int nfs_write(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buf) |
84004dbf | 362 | { |
e2ba5764 | 363 | return nfs_pwrite(nfs, nfsfh, nfs_get_current_offset(nfsfh), count, buf); |
84004dbf RS |
364 | } |
365 | ||
366 | ||
367 | /* | |
368 | * fsync() | |
369 | */ | |
1896d37b | 370 | static void fsync_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
371 | { |
372 | struct sync_cb_data *cb_data = private_data; | |
373 | cb_data->is_finished = 1; | |
374 | cb_data->status = status; | |
375 | ||
376 | if (status < 0) { | |
1896d37b | 377 | nfs_set_error(nfs, "fsync call failed with \"%s\"", (char *)data); |
84004dbf RS |
378 | return; |
379 | } | |
380 | } | |
381 | ||
e2ba5764 | 382 | int nfs_fsync(struct nfs_context *nfs, struct nfsfh *nfsfh) |
84004dbf RS |
383 | { |
384 | struct sync_cb_data cb_data; | |
385 | ||
386 | cb_data.is_finished = 0; | |
387 | ||
388 | if (nfs_fsync_async(nfs, nfsfh, fsync_cb, &cb_data) != 0) { | |
1896d37b | 389 | nfs_set_error(nfs, "nfs_fsync_async failed"); |
84004dbf RS |
390 | return -1; |
391 | } | |
392 | ||
b077fdeb | 393 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
394 | |
395 | return cb_data.status; | |
396 | } | |
397 | ||
398 | ||
399 | ||
400 | ||
401 | /* | |
402 | * ftruncate() | |
403 | */ | |
1896d37b | 404 | static void ftruncate_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
405 | { |
406 | struct sync_cb_data *cb_data = private_data; | |
407 | cb_data->is_finished = 1; | |
408 | cb_data->status = status; | |
409 | ||
410 | if (status < 0) { | |
1896d37b | 411 | nfs_set_error(nfs, "ftruncate call failed with \"%s\"", (char *)data); |
84004dbf RS |
412 | return; |
413 | } | |
414 | } | |
415 | ||
e2ba5764 | 416 | int nfs_ftruncate(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t length) |
84004dbf RS |
417 | { |
418 | struct sync_cb_data cb_data; | |
419 | ||
420 | cb_data.is_finished = 0; | |
421 | ||
422 | if (nfs_ftruncate_async(nfs, nfsfh, length, ftruncate_cb, &cb_data) != 0) { | |
1896d37b | 423 | nfs_set_error(nfs, "nfs_ftruncate_async failed"); |
84004dbf RS |
424 | return -1; |
425 | } | |
426 | ||
b077fdeb | 427 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
428 | |
429 | return cb_data.status; | |
430 | } | |
431 | ||
432 | ||
433 | ||
434 | /* | |
435 | * truncate() | |
436 | */ | |
1896d37b | 437 | static void truncate_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
438 | { |
439 | struct sync_cb_data *cb_data = private_data; | |
440 | cb_data->is_finished = 1; | |
441 | cb_data->status = status; | |
442 | ||
443 | if (status < 0) { | |
1896d37b | 444 | nfs_set_error(nfs, "truncate call failed with \"%s\"", (char *)data); |
84004dbf RS |
445 | return; |
446 | } | |
447 | } | |
448 | ||
e2ba5764 | 449 | int nfs_truncate(struct nfs_context *nfs, const char *path, off_t length) |
84004dbf RS |
450 | { |
451 | struct sync_cb_data cb_data; | |
452 | ||
453 | cb_data.is_finished = 0; | |
454 | ||
455 | if (nfs_truncate_async(nfs, path, length, truncate_cb, &cb_data) != 0) { | |
1896d37b | 456 | nfs_set_error(nfs, "nfs_ftruncate_async failed"); |
84004dbf RS |
457 | return -1; |
458 | } | |
459 | ||
b077fdeb | 460 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
461 | |
462 | return cb_data.status; | |
463 | } | |
464 | ||
465 | ||
466 | ||
467 | ||
468 | ||
469 | /* | |
470 | * mkdir() | |
471 | */ | |
1896d37b | 472 | static void mkdir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
473 | { |
474 | struct sync_cb_data *cb_data = private_data; | |
475 | cb_data->is_finished = 1; | |
476 | cb_data->status = status; | |
477 | ||
478 | if (status < 0) { | |
1896d37b | 479 | nfs_set_error(nfs, "mkdir call failed with \"%s\"", (char *)data); |
84004dbf RS |
480 | return; |
481 | } | |
482 | } | |
483 | ||
e2ba5764 | 484 | int nfs_mkdir(struct nfs_context *nfs, const char *path) |
84004dbf RS |
485 | { |
486 | struct sync_cb_data cb_data; | |
487 | ||
488 | cb_data.is_finished = 0; | |
489 | ||
490 | if (nfs_mkdir_async(nfs, path, mkdir_cb, &cb_data) != 0) { | |
1896d37b | 491 | nfs_set_error(nfs, "nfs_mkdir_async failed"); |
84004dbf RS |
492 | return -1; |
493 | } | |
494 | ||
b077fdeb | 495 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
496 | |
497 | return cb_data.status; | |
498 | } | |
499 | ||
500 | ||
501 | ||
502 | ||
503 | ||
504 | /* | |
505 | * rmdir() | |
506 | */ | |
1896d37b | 507 | static void rmdir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
508 | { |
509 | struct sync_cb_data *cb_data = private_data; | |
510 | cb_data->is_finished = 1; | |
511 | cb_data->status = status; | |
512 | ||
513 | if (status < 0) { | |
1896d37b | 514 | nfs_set_error(nfs, "rmdir call failed with \"%s\"", (char *)data); |
84004dbf RS |
515 | return; |
516 | } | |
517 | } | |
518 | ||
e2ba5764 | 519 | int nfs_rmdir(struct nfs_context *nfs, const char *path) |
84004dbf RS |
520 | { |
521 | struct sync_cb_data cb_data; | |
522 | ||
523 | cb_data.is_finished = 0; | |
524 | ||
525 | if (nfs_rmdir_async(nfs, path, rmdir_cb, &cb_data) != 0) { | |
1896d37b | 526 | nfs_set_error(nfs, "nfs_rmdir_async failed"); |
84004dbf RS |
527 | return -1; |
528 | } | |
529 | ||
b077fdeb | 530 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
531 | |
532 | return cb_data.status; | |
533 | } | |
534 | ||
535 | ||
536 | ||
537 | /* | |
538 | * creat() | |
539 | */ | |
1896d37b | 540 | static void creat_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
541 | { |
542 | struct sync_cb_data *cb_data = private_data; | |
543 | struct nfsfh *fh, **nfsfh; | |
544 | ||
545 | cb_data->is_finished = 1; | |
546 | cb_data->status = status; | |
547 | ||
548 | if (status < 0) { | |
1896d37b | 549 | nfs_set_error(nfs, "creat call failed with \"%s\"", (char *)data); |
84004dbf RS |
550 | return; |
551 | } | |
552 | ||
553 | fh = data; | |
554 | nfsfh = cb_data->return_data; | |
555 | *nfsfh = fh; | |
556 | } | |
557 | ||
e2ba5764 | 558 | int nfs_creat(struct nfs_context *nfs, const char *path, int mode, struct nfsfh **nfsfh) |
84004dbf RS |
559 | { |
560 | struct sync_cb_data cb_data; | |
561 | ||
562 | cb_data.is_finished = 0; | |
563 | cb_data.return_data = nfsfh; | |
564 | ||
565 | if (nfs_creat_async(nfs, path, mode, creat_cb, &cb_data) != 0) { | |
1896d37b | 566 | nfs_set_error(nfs, "nfs_creat_async failed"); |
84004dbf RS |
567 | return -1; |
568 | } | |
569 | ||
b077fdeb | 570 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
571 | |
572 | return cb_data.status; | |
573 | } | |
574 | ||
575 | ||
576 | ||
577 | ||
578 | /* | |
579 | * unlink() | |
580 | */ | |
1896d37b | 581 | static void unlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
582 | { |
583 | struct sync_cb_data *cb_data = private_data; | |
584 | ||
585 | cb_data->is_finished = 1; | |
586 | cb_data->status = status; | |
587 | ||
588 | if (status < 0) { | |
1896d37b | 589 | nfs_set_error(nfs, "unlink call failed with \"%s\"", (char *)data); |
84004dbf RS |
590 | return; |
591 | } | |
592 | } | |
593 | ||
e2ba5764 | 594 | int nfs_unlink(struct nfs_context *nfs, const char *path) |
84004dbf RS |
595 | { |
596 | struct sync_cb_data cb_data; | |
597 | ||
598 | cb_data.is_finished = 0; | |
599 | ||
600 | if (nfs_unlink_async(nfs, path, unlink_cb, &cb_data) != 0) { | |
1896d37b | 601 | nfs_set_error(nfs, "nfs_unlink_async failed"); |
84004dbf RS |
602 | return -1; |
603 | } | |
604 | ||
b077fdeb | 605 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
606 | |
607 | return cb_data.status; | |
608 | } | |
609 | ||
610 | ||
611 | ||
612 | /* | |
613 | * opendir() | |
614 | */ | |
1896d37b | 615 | static void opendir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
616 | { |
617 | struct sync_cb_data *cb_data = private_data; | |
618 | struct nfsdir *dir, **nfsdir; | |
619 | ||
620 | cb_data->is_finished = 1; | |
621 | cb_data->status = status; | |
622 | ||
623 | if (status < 0) { | |
1896d37b | 624 | nfs_set_error(nfs, "opendir call failed with \"%s\"", (char *)data); |
84004dbf RS |
625 | return; |
626 | } | |
627 | ||
628 | dir = data; | |
629 | nfsdir = cb_data->return_data; | |
630 | *nfsdir = dir; | |
631 | } | |
632 | ||
e2ba5764 | 633 | int nfs_opendir(struct nfs_context *nfs, const char *path, struct nfsdir **nfsdir) |
84004dbf RS |
634 | { |
635 | struct sync_cb_data cb_data; | |
636 | ||
637 | cb_data.is_finished = 0; | |
638 | cb_data.return_data = nfsdir; | |
639 | ||
640 | if (nfs_opendir_async(nfs, path, opendir_cb, &cb_data) != 0) { | |
1896d37b | 641 | nfs_set_error(nfs, "nfs_opendir_async failed"); |
84004dbf RS |
642 | return -1; |
643 | } | |
644 | ||
b077fdeb | 645 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
646 | |
647 | return cb_data.status; | |
648 | } | |
649 | ||
650 | ||
651 | /* | |
652 | * lseek() | |
653 | */ | |
1896d37b | 654 | static void lseek_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
655 | { |
656 | struct sync_cb_data *cb_data = private_data; | |
657 | ||
658 | cb_data->is_finished = 1; | |
659 | cb_data->status = status; | |
660 | ||
661 | if (status < 0) { | |
1896d37b | 662 | nfs_set_error(nfs, "lseek call failed with \"%s\"", (char *)data); |
84004dbf RS |
663 | return; |
664 | } | |
665 | ||
666 | if (cb_data->return_data != NULL) { | |
667 | memcpy(cb_data->return_data, data, sizeof(off_t)); | |
668 | } | |
669 | } | |
670 | ||
e2ba5764 | 671 | int nfs_lseek(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, int whence, off_t *current_offset) |
84004dbf RS |
672 | { |
673 | struct sync_cb_data cb_data; | |
674 | ||
675 | cb_data.is_finished = 0; | |
676 | cb_data.return_data = current_offset; | |
677 | ||
678 | if (nfs_lseek_async(nfs, nfsfh, offset, whence, lseek_cb, &cb_data) != 0) { | |
1896d37b | 679 | nfs_set_error(nfs, "nfs_lseek_async failed"); |
84004dbf RS |
680 | return -1; |
681 | } | |
682 | ||
b077fdeb | 683 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
684 | |
685 | return cb_data.status; | |
686 | } | |
687 | ||
688 | ||
689 | ||
690 | /* | |
691 | * statvfs() | |
692 | */ | |
1896d37b | 693 | static void statvfs_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
694 | { |
695 | struct sync_cb_data *cb_data = private_data; | |
696 | ||
697 | cb_data->is_finished = 1; | |
698 | cb_data->status = status; | |
699 | ||
700 | if (status < 0) { | |
1896d37b | 701 | nfs_set_error(nfs, "statvfs call failed with \"%s\"", (char *)data); |
84004dbf RS |
702 | return; |
703 | } | |
704 | ||
705 | memcpy(cb_data->return_data, data, sizeof(struct statvfs)); | |
706 | } | |
707 | ||
e2ba5764 | 708 | int nfs_statvfs(struct nfs_context *nfs, const char *path, struct statvfs *svfs) |
84004dbf RS |
709 | { |
710 | struct sync_cb_data cb_data; | |
711 | ||
712 | cb_data.is_finished = 0; | |
713 | cb_data.return_data = svfs; | |
714 | ||
715 | if (nfs_statvfs_async(nfs, path, statvfs_cb, &cb_data) != 0) { | |
1896d37b | 716 | nfs_set_error(nfs, "nfs_statvfs_async failed"); |
84004dbf RS |
717 | return -1; |
718 | } | |
719 | ||
b077fdeb | 720 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
721 | |
722 | return cb_data.status; | |
723 | } | |
724 | ||
725 | ||
726 | ||
727 | ||
728 | ||
729 | /* | |
730 | * readlink() | |
731 | */ | |
1896d37b | 732 | static void readlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
733 | { |
734 | struct sync_cb_data *cb_data = private_data; | |
735 | ||
736 | cb_data->is_finished = 1; | |
737 | cb_data->status = status; | |
738 | ||
739 | if (status < 0) { | |
1896d37b | 740 | nfs_set_error(nfs, "readlink call failed with \"%s\"", (char *)data); |
84004dbf RS |
741 | return; |
742 | } | |
743 | ||
744 | if (strlen(data) > (size_t)cb_data->return_int) { | |
1896d37b | 745 | nfs_set_error(nfs, "Too small buffer for readlink"); |
84004dbf RS |
746 | cb_data->status = -ENAMETOOLONG; |
747 | return; | |
748 | } | |
749 | ||
750 | memcpy(cb_data->return_data, data, strlen(data)+1); | |
751 | } | |
752 | ||
e2ba5764 | 753 | int nfs_readlink(struct nfs_context *nfs, const char *path, char *buf, int bufsize) |
84004dbf RS |
754 | { |
755 | struct sync_cb_data cb_data; | |
756 | ||
757 | cb_data.is_finished = 0; | |
758 | cb_data.return_data = buf; | |
759 | cb_data.return_int = bufsize; | |
760 | ||
761 | if (nfs_readlink_async(nfs, path, readlink_cb, &cb_data) != 0) { | |
1896d37b | 762 | nfs_set_error(nfs, "nfs_readlink_async failed"); |
84004dbf RS |
763 | return -1; |
764 | } | |
765 | ||
b077fdeb | 766 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
767 | |
768 | return cb_data.status; | |
769 | } | |
770 | ||
771 | ||
772 | ||
773 | /* | |
774 | * chmod() | |
775 | */ | |
1896d37b | 776 | static void chmod_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
777 | { |
778 | struct sync_cb_data *cb_data = private_data; | |
779 | ||
780 | cb_data->is_finished = 1; | |
781 | cb_data->status = status; | |
782 | ||
783 | if (status < 0) { | |
1896d37b | 784 | nfs_set_error(nfs, "chmod call failed with \"%s\"", (char *)data); |
84004dbf RS |
785 | return; |
786 | } | |
787 | } | |
788 | ||
e2ba5764 | 789 | int nfs_chmod(struct nfs_context *nfs, const char *path, int mode) |
84004dbf RS |
790 | { |
791 | struct sync_cb_data cb_data; | |
792 | ||
793 | cb_data.is_finished = 0; | |
794 | ||
795 | if (nfs_chmod_async(nfs, path, mode, chmod_cb, &cb_data) != 0) { | |
1896d37b | 796 | nfs_set_error(nfs, "nfs_chmod_async failed"); |
84004dbf RS |
797 | return -1; |
798 | } | |
799 | ||
b077fdeb | 800 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
801 | |
802 | return cb_data.status; | |
803 | } | |
804 | ||
805 | ||
806 | ||
807 | ||
808 | /* | |
809 | * fchmod() | |
810 | */ | |
1896d37b | 811 | static void fchmod_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
812 | { |
813 | struct sync_cb_data *cb_data = private_data; | |
814 | ||
815 | cb_data->is_finished = 1; | |
816 | cb_data->status = status; | |
817 | ||
818 | if (status < 0) { | |
1896d37b | 819 | nfs_set_error(nfs, "fchmod call failed with \"%s\"", (char *)data); |
84004dbf RS |
820 | return; |
821 | } | |
822 | } | |
823 | ||
e2ba5764 | 824 | int nfs_fchmod(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode) |
84004dbf RS |
825 | { |
826 | struct sync_cb_data cb_data; | |
827 | ||
828 | cb_data.is_finished = 0; | |
829 | ||
830 | if (nfs_fchmod_async(nfs, nfsfh, mode, fchmod_cb, &cb_data) != 0) { | |
1896d37b | 831 | nfs_set_error(nfs, "nfs_fchmod_async failed"); |
84004dbf RS |
832 | return -1; |
833 | } | |
834 | ||
b077fdeb | 835 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
836 | |
837 | return cb_data.status; | |
838 | } | |
839 | ||
840 | ||
841 | ||
842 | ||
843 | /* | |
844 | * chown() | |
845 | */ | |
1896d37b | 846 | static void chown_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
847 | { |
848 | struct sync_cb_data *cb_data = private_data; | |
849 | ||
850 | cb_data->is_finished = 1; | |
851 | cb_data->status = status; | |
852 | ||
853 | if (status < 0) { | |
1896d37b | 854 | nfs_set_error(nfs, "chown call failed with \"%s\"", (char *)data); |
84004dbf RS |
855 | return; |
856 | } | |
857 | } | |
858 | ||
e2ba5764 | 859 | int nfs_chown(struct nfs_context *nfs, const char *path, int uid, int gid) |
84004dbf RS |
860 | { |
861 | struct sync_cb_data cb_data; | |
862 | ||
863 | cb_data.is_finished = 0; | |
864 | ||
865 | if (nfs_chown_async(nfs, path, uid, gid, chown_cb, &cb_data) != 0) { | |
1896d37b | 866 | nfs_set_error(nfs, "nfs_chown_async failed"); |
84004dbf RS |
867 | return -1; |
868 | } | |
869 | ||
b077fdeb | 870 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
871 | |
872 | return cb_data.status; | |
873 | } | |
874 | ||
875 | /* | |
876 | * fchown() | |
877 | */ | |
1896d37b | 878 | static void fchown_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
879 | { |
880 | struct sync_cb_data *cb_data = private_data; | |
881 | ||
882 | cb_data->is_finished = 1; | |
883 | cb_data->status = status; | |
884 | ||
885 | if (status < 0) { | |
1896d37b | 886 | nfs_set_error(nfs, "fchown call failed with \"%s\"", (char *)data); |
84004dbf RS |
887 | return; |
888 | } | |
889 | } | |
890 | ||
e2ba5764 | 891 | int nfs_fchown(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid) |
84004dbf RS |
892 | { |
893 | struct sync_cb_data cb_data; | |
894 | ||
895 | cb_data.is_finished = 0; | |
896 | ||
897 | if (nfs_fchown_async(nfs, nfsfh, uid, gid, fchown_cb, &cb_data) != 0) { | |
1896d37b | 898 | nfs_set_error(nfs, "nfs_fchown_async failed"); |
84004dbf RS |
899 | return -1; |
900 | } | |
901 | ||
b077fdeb | 902 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
903 | |
904 | return cb_data.status; | |
905 | } | |
906 | ||
907 | ||
908 | ||
909 | /* | |
910 | * utimes() | |
911 | */ | |
1896d37b | 912 | static void utimes_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
913 | { |
914 | struct sync_cb_data *cb_data = private_data; | |
915 | ||
916 | cb_data->is_finished = 1; | |
917 | cb_data->status = status; | |
918 | ||
919 | if (status < 0) { | |
1896d37b | 920 | nfs_set_error(nfs, "utimes call failed with \"%s\"", (char *)data); |
84004dbf RS |
921 | return; |
922 | } | |
923 | } | |
924 | ||
e2ba5764 | 925 | int nfs_utimes(struct nfs_context *nfs, const char *path, struct timeval *times) |
84004dbf RS |
926 | { |
927 | struct sync_cb_data cb_data; | |
928 | ||
929 | cb_data.is_finished = 0; | |
930 | ||
931 | if (nfs_utimes_async(nfs, path, times, utimes_cb, &cb_data) != 0) { | |
1896d37b | 932 | nfs_set_error(nfs, "nfs_utimes_async failed"); |
84004dbf RS |
933 | return -1; |
934 | } | |
935 | ||
b077fdeb | 936 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
937 | |
938 | return cb_data.status; | |
939 | } | |
940 | ||
941 | ||
942 | ||
943 | /* | |
944 | * utime() | |
945 | */ | |
1896d37b | 946 | static void utime_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
947 | { |
948 | struct sync_cb_data *cb_data = private_data; | |
949 | ||
950 | cb_data->is_finished = 1; | |
951 | cb_data->status = status; | |
952 | ||
953 | if (status < 0) { | |
1896d37b | 954 | nfs_set_error(nfs, "utime call failed with \"%s\"", (char *)data); |
84004dbf RS |
955 | return; |
956 | } | |
957 | } | |
958 | ||
e2ba5764 | 959 | int nfs_utime(struct nfs_context *nfs, const char *path, struct utimbuf *times) |
84004dbf RS |
960 | { |
961 | struct sync_cb_data cb_data; | |
962 | ||
963 | cb_data.is_finished = 0; | |
964 | ||
965 | if (nfs_utime_async(nfs, path, times, utime_cb, &cb_data) != 0) { | |
1896d37b | 966 | nfs_set_error(nfs, "nfs_utimes_async failed"); |
84004dbf RS |
967 | return -1; |
968 | } | |
969 | ||
b077fdeb | 970 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
971 | |
972 | return cb_data.status; | |
973 | } | |
974 | ||
975 | ||
976 | ||
977 | ||
978 | /* | |
979 | * access() | |
980 | */ | |
1896d37b | 981 | static void access_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
982 | { |
983 | struct sync_cb_data *cb_data = private_data; | |
984 | ||
985 | cb_data->is_finished = 1; | |
986 | cb_data->status = status; | |
987 | ||
988 | if (status < 0) { | |
1896d37b | 989 | nfs_set_error(nfs, "access call failed with \"%s\"", (char *)data); |
84004dbf RS |
990 | return; |
991 | } | |
992 | } | |
993 | ||
e2ba5764 | 994 | int nfs_access(struct nfs_context *nfs, const char *path, int mode) |
84004dbf RS |
995 | { |
996 | struct sync_cb_data cb_data; | |
997 | ||
998 | cb_data.is_finished = 0; | |
999 | ||
1000 | if (nfs_access_async(nfs, path, mode, access_cb, &cb_data) != 0) { | |
1896d37b | 1001 | nfs_set_error(nfs, "nfs_access_async failed"); |
84004dbf RS |
1002 | return -1; |
1003 | } | |
1004 | ||
b077fdeb | 1005 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
1006 | |
1007 | return cb_data.status; | |
1008 | } | |
1009 | ||
1010 | ||
1011 | ||
1012 | /* | |
1013 | * symlink() | |
1014 | */ | |
1896d37b | 1015 | static void symlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
1016 | { |
1017 | struct sync_cb_data *cb_data = private_data; | |
1018 | ||
1019 | cb_data->is_finished = 1; | |
1020 | cb_data->status = status; | |
1021 | ||
1022 | if (status < 0) { | |
1896d37b | 1023 | nfs_set_error(nfs, "symlink call failed with \"%s\"", (char *)data); |
84004dbf RS |
1024 | return; |
1025 | } | |
1026 | } | |
1027 | ||
e2ba5764 | 1028 | int nfs_symlink(struct nfs_context *nfs, const char *oldpath, const char *newpath) |
84004dbf RS |
1029 | { |
1030 | struct sync_cb_data cb_data; | |
1031 | ||
1032 | cb_data.is_finished = 0; | |
1033 | ||
1034 | if (nfs_symlink_async(nfs, oldpath, newpath, symlink_cb, &cb_data) != 0) { | |
1896d37b | 1035 | nfs_set_error(nfs, "nfs_symlink_async failed"); |
84004dbf RS |
1036 | return -1; |
1037 | } | |
1038 | ||
b077fdeb | 1039 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
1040 | |
1041 | return cb_data.status; | |
1042 | } | |
1043 | ||
1044 | ||
1045 | ||
1046 | /* | |
1047 | * rename() | |
1048 | */ | |
1896d37b | 1049 | static void rename_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
1050 | { |
1051 | struct sync_cb_data *cb_data = private_data; | |
1052 | ||
1053 | cb_data->is_finished = 1; | |
1054 | cb_data->status = status; | |
1055 | ||
1056 | if (status < 0) { | |
1896d37b | 1057 | nfs_set_error(nfs, "rename call failed with \"%s\"", (char *)data); |
84004dbf RS |
1058 | return; |
1059 | } | |
1060 | } | |
1061 | ||
e2ba5764 | 1062 | int nfs_rename(struct nfs_context *nfs, const char *oldpath, const char *newpath) |
84004dbf RS |
1063 | { |
1064 | struct sync_cb_data cb_data; | |
1065 | ||
1066 | cb_data.is_finished = 0; | |
1067 | ||
1068 | if (nfs_rename_async(nfs, oldpath, newpath, rename_cb, &cb_data) != 0) { | |
1896d37b | 1069 | nfs_set_error(nfs, "nfs_rename_async failed"); |
84004dbf RS |
1070 | return -1; |
1071 | } | |
1072 | ||
b077fdeb | 1073 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
1074 | |
1075 | return cb_data.status; | |
1076 | } | |
1077 | ||
1078 | ||
1079 | ||
1080 | /* | |
1081 | * link() | |
1082 | */ | |
1896d37b | 1083 | static void link_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
1084 | { |
1085 | struct sync_cb_data *cb_data = private_data; | |
1086 | ||
1087 | cb_data->is_finished = 1; | |
1088 | cb_data->status = status; | |
1089 | ||
1090 | if (status < 0) { | |
1896d37b | 1091 | nfs_set_error(nfs, "link call failed with \"%s\"", (char *)data); |
84004dbf RS |
1092 | return; |
1093 | } | |
1094 | } | |
1095 | ||
e2ba5764 | 1096 | int nfs_link(struct nfs_context *nfs, const char *oldpath, const char *newpath) |
84004dbf RS |
1097 | { |
1098 | struct sync_cb_data cb_data; | |
1099 | ||
1100 | cb_data.is_finished = 0; | |
1101 | ||
1102 | if (nfs_link_async(nfs, oldpath, newpath, link_cb, &cb_data) != 0) { | |
1896d37b | 1103 | nfs_set_error(nfs, "nfs_link_async failed"); |
84004dbf RS |
1104 | return -1; |
1105 | } | |
1106 | ||
b077fdeb | 1107 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
1108 | |
1109 | return cb_data.status; | |
1110 | } | |
df5af25f | 1111 | |
739df145 | 1112 | void mount_getexports_cb(struct rpc_context *mount_context, int status, void *data, void *private_data) |
df5af25f RS |
1113 | { |
1114 | struct sync_cb_data *cb_data = private_data; | |
1115 | exports export = *(exports *)data; | |
1116 | ||
df5af25f RS |
1117 | cb_data->is_finished = 1; |
1118 | cb_data->status = status; | |
1119 | cb_data->return_data = NULL; | |
1120 | ||
739df145 RS |
1121 | if (status != 0) { |
1122 | rpc_set_error(mount_context, "mount/export call failed with \"%s\"", (char *)data); | |
1123 | return; | |
1124 | } | |
1125 | ||
df5af25f RS |
1126 | while (export != NULL) { |
1127 | exports new_export; | |
1128 | ||
1129 | new_export = malloc(sizeof(*new_export)); | |
1130 | memset(new_export, 0, sizeof(*new_export)); | |
1131 | new_export->ex_dir = strdup(export->ex_dir); | |
1132 | new_export->ex_next = cb_data->return_data; | |
1133 | ||
1134 | cb_data->return_data = new_export; | |
1135 | ||
1136 | export = export->ex_next; | |
1137 | } | |
1138 | } | |
1139 | ||
e210bd2a | 1140 | struct exportnode *mount_getexports(const char *server) |
df5af25f RS |
1141 | { |
1142 | struct sync_cb_data cb_data; | |
e210bd2a RS |
1143 | struct rpc_context *rpc; |
1144 | ||
df5af25f RS |
1145 | |
1146 | cb_data.is_finished = 0; | |
1147 | cb_data.return_data = NULL; | |
1148 | ||
e210bd2a | 1149 | rpc = rpc_init_context(); |
df5af25f | 1150 | if (mount_getexports_async(rpc, server, mount_getexports_cb, &cb_data) != 0) { |
e210bd2a | 1151 | rpc_destroy_context(rpc); |
df5af25f RS |
1152 | return NULL; |
1153 | } | |
1154 | ||
1155 | wait_for_reply(rpc, &cb_data); | |
e210bd2a | 1156 | rpc_destroy_context(rpc); |
df5af25f RS |
1157 | |
1158 | return cb_data.return_data; | |
1159 | } | |
1160 | ||
1161 | void mount_free_export_list(struct exportnode *exports) | |
1162 | { | |
1163 | struct exportnode *tmp; | |
1164 | ||
1165 | while ((tmp = exports)) { | |
1166 | exports = exports->ex_next; | |
1167 | free(tmp->ex_dir); | |
1168 | free(tmp); | |
1169 | } | |
1170 | } | |
1171 | ||
552c7665 RS |
1172 | |
1173 | ||
1174 | ||
1175 | void free_nfs_srvr_list(struct nfs_server_list *srv) | |
1176 | { | |
1177 | while (srv != NULL) { | |
1178 | struct nfs_server_list *next = srv->next; | |
1179 | ||
1180 | free(srv->addr); | |
1181 | free(srv); | |
1182 | srv = next; | |
1183 | } | |
1184 | } | |
1185 | ||
1186 | struct nfs_list_data { | |
1187 | int status; | |
1188 | struct nfs_server_list *srvrs; | |
1189 | }; | |
1190 | ||
1191 | void callit_cb(struct rpc_context *rpc, int status, void *data _U_, void *private_data) | |
1192 | { | |
1193 | struct nfs_list_data *srv_data = private_data; | |
1194 | struct sockaddr *sin; | |
1195 | char hostdd[16]; | |
1196 | struct nfs_server_list *srvr; | |
1197 | ||
1198 | if (status == RPC_STATUS_CANCEL) { | |
1199 | return; | |
1200 | } | |
1201 | if (status != 0) { | |
1202 | srv_data->status = -1; | |
1203 | return; | |
1204 | } | |
1205 | ||
1206 | sin = rpc_get_recv_sockaddr(rpc); | |
1207 | if (sin == NULL) { | |
1208 | rpc_set_error(rpc, "failed to get sockaddr in CALLIT callback"); | |
1209 | srv_data->status = -1; | |
1210 | return; | |
1211 | } | |
1212 | ||
1213 | if (getnameinfo(sin, sizeof(struct sockaddr_in), &hostdd[0], sizeof(hostdd), NULL, 0, NI_NUMERICHOST) < 0) { | |
1214 | rpc_set_error(rpc, "getnameinfo failed in CALLIT callback"); | |
1215 | srv_data->status = -1; | |
1216 | return; | |
1217 | } | |
552c7665 | 1218 | |
8c27363e RS |
1219 | /* check for dupes */ |
1220 | for (srvr = srv_data->srvrs; srvr; srvr = srvr->next) { | |
1221 | if (!strcmp(hostdd, srvr->addr)) { | |
b3740e09 | 1222 | return; |
8c27363e RS |
1223 | } |
1224 | } | |
1225 | ||
552c7665 RS |
1226 | srvr = malloc(sizeof(struct nfs_server_list)); |
1227 | if (srvr == NULL) { | |
1228 | rpc_set_error(rpc, "Malloc failed when allocating server structure"); | |
1229 | srv_data->status = -1; | |
1230 | return; | |
1231 | } | |
1232 | ||
1233 | srvr->addr = strdup(hostdd); | |
1234 | if (srvr->addr == NULL) { | |
1235 | rpc_set_error(rpc, "Strdup failed when allocating server structure"); | |
1236 | free(srvr); | |
1237 | srv_data->status = -1; | |
1238 | return; | |
1239 | } | |
1240 | ||
1241 | srvr->next = srv_data->srvrs; | |
1242 | srv_data->srvrs = srvr; | |
1243 | } | |
1244 | ||
e5964ef9 | 1245 | static int send_nfsd_probes(struct rpc_context *rpc, struct ifconf *ifc, struct nfs_list_data *data) |
552c7665 | 1246 | { |
1be803ce | 1247 | char *ptr; |
552c7665 | 1248 | |
e5964ef9 | 1249 | for (ptr =(char *)(ifc->ifc_buf); ptr < (char *)(ifc->ifc_buf) + ifc->ifc_len; ) { |
1be803ce | 1250 | struct ifreq *ifr; |
552c7665 RS |
1251 | char bcdd[16]; |
1252 | ||
1be803ce | 1253 | ifr = (struct ifreq *)ptr; |
9a96dd46 | 1254 | #ifdef HAVE_SOCKADDR_LEN |
1be803ce RS |
1255 | if (ifr->ifr_addr.sa_len > sizeof(struct sockaddr)) { |
1256 | ptr += sizeof(ifr->ifr_name) + ifr->ifr_addr.sa_len; | |
1257 | } else { | |
1258 | ptr += sizeof(ifr->ifr_name) + sizeof(struct sockaddr); | |
1259 | } | |
1260 | #else | |
1261 | ptr += sizeof(struct ifreq); | |
1262 | #endif | |
1263 | ||
1264 | if (ifr->ifr_addr.sa_family != AF_INET) { | |
552c7665 RS |
1265 | continue; |
1266 | } | |
1be803ce | 1267 | if (ioctl(rpc_get_fd(rpc), SIOCGIFFLAGS, ifr) < 0) { |
e5964ef9 | 1268 | return -1; |
552c7665 | 1269 | } |
1be803ce | 1270 | if (!(ifr->ifr_flags & IFF_UP)) { |
552c7665 RS |
1271 | continue; |
1272 | } | |
1be803ce | 1273 | if (ifr->ifr_flags & IFF_LOOPBACK) { |
552c7665 RS |
1274 | continue; |
1275 | } | |
1be803ce | 1276 | if (!(ifr->ifr_flags & IFF_BROADCAST)) { |
552c7665 RS |
1277 | continue; |
1278 | } | |
1be803ce | 1279 | if (ioctl(rpc_get_fd(rpc), SIOCGIFBRDADDR, ifr) < 0) { |
1ad6f931 | 1280 | continue; |
552c7665 | 1281 | } |
1be803ce | 1282 | if (getnameinfo(&ifr->ifr_broadaddr, sizeof(struct sockaddr_in), &bcdd[0], sizeof(bcdd), NULL, 0, NI_NUMERICHOST) < 0) { |
1ad6f931 | 1283 | continue; |
552c7665 RS |
1284 | } |
1285 | if (rpc_set_udp_destination(rpc, bcdd, 111, 1) < 0) { | |
e5964ef9 RS |
1286 | return -1; |
1287 | } | |
1288 | ||
1289 | if (rpc_pmap_callit_async(rpc, MOUNT_PROGRAM, 2, 0, NULL, 0, callit_cb, data) < 0) { | |
1290 | return -1; | |
552c7665 | 1291 | } |
e5964ef9 RS |
1292 | } |
1293 | ||
1294 | return 0; | |
1295 | } | |
1296 | ||
1297 | struct nfs_server_list *nfs_find_local_servers(void) | |
1298 | { | |
1299 | struct rpc_context *rpc; | |
1300 | struct nfs_list_data data = {0, NULL}; | |
1301 | struct timeval tv_start, tv_current; | |
1302 | struct ifconf ifc; | |
8c27363e | 1303 | int size, loop; |
e5964ef9 RS |
1304 | struct pollfd pfd; |
1305 | ||
1306 | rpc = rpc_init_udp_context(); | |
1307 | if (rpc == NULL) { | |
1308 | return NULL; | |
1309 | } | |
1310 | ||
1311 | if (rpc_bind_udp(rpc, "0.0.0.0", 0) < 0) { | |
1312 | rpc_destroy_context(rpc); | |
1313 | return NULL; | |
1314 | } | |
1315 | ||
552c7665 | 1316 | |
e5964ef9 RS |
1317 | /* get list of all interfaces */ |
1318 | size = sizeof(struct ifreq); | |
1319 | ifc.ifc_buf = NULL; | |
1320 | ifc.ifc_len = size; | |
1321 | ||
1322 | while(ifc.ifc_len > (size - sizeof(struct ifreq))) { | |
1323 | size *= 2; | |
1324 | ||
1325 | free(ifc.ifc_buf); | |
1326 | ifc.ifc_len = size; | |
1327 | ifc.ifc_buf = malloc(size); | |
1328 | memset(ifc.ifc_buf, 0, size); | |
1329 | if (ioctl(rpc_get_fd(rpc), SIOCGIFCONF, (caddr_t)&ifc) < 0) { | |
552c7665 RS |
1330 | rpc_destroy_context(rpc); |
1331 | free(ifc.ifc_buf); | |
1332 | return NULL; | |
1333 | } | |
e5964ef9 RS |
1334 | } |
1335 | ||
8c27363e RS |
1336 | for (loop=0; loop<3; loop++) { |
1337 | if (send_nfsd_probes(rpc, &ifc, &data) != 0) { | |
552c7665 | 1338 | rpc_destroy_context(rpc); |
8c27363e | 1339 | free(ifc.ifc_buf); |
552c7665 RS |
1340 | return NULL; |
1341 | } | |
8c27363e RS |
1342 | |
1343 | gettimeofday(&tv_start, NULL); | |
1344 | for(;;) { | |
1345 | int mpt; | |
1346 | ||
1347 | pfd.fd = rpc_get_fd(rpc); | |
1348 | pfd.events = rpc_which_events(rpc); | |
1349 | ||
1350 | gettimeofday(&tv_current, NULL); | |
1351 | mpt = 1000 | |
1352 | - (tv_current.tv_sec *1000 + tv_current.tv_usec / 1000) | |
1353 | + (tv_start.tv_sec *1000 + tv_start.tv_usec / 1000); | |
1354 | ||
1355 | if (poll(&pfd, 1, mpt) < 0) { | |
1356 | free_nfs_srvr_list(data.srvrs); | |
1357 | rpc_destroy_context(rpc); | |
1358 | return NULL; | |
1359 | } | |
1360 | if (pfd.revents == 0) { | |
1361 | break; | |
1362 | } | |
552c7665 | 1363 | |
8c27363e RS |
1364 | if (rpc_service(rpc, pfd.revents) < 0) { |
1365 | break; | |
1366 | } | |
552c7665 RS |
1367 | } |
1368 | } | |
1369 | ||
e5964ef9 | 1370 | free(ifc.ifc_buf); |
552c7665 RS |
1371 | rpc_destroy_context(rpc); |
1372 | ||
1373 | if (data.status != 0) { | |
1374 | free_nfs_srvr_list(data.srvrs); | |
1375 | return NULL; | |
1376 | } | |
1377 | ||
1378 | return data.srvrs; | |
1379 | } |