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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 | ||
eecdc4f3 RS |
21 | #if defined (WIN32) |
22 | #include <winsock2.h> | |
23 | #define DllExport | |
24 | #else | |
25 | #include <strings.h> | |
26 | #include <unistd.h> | |
27 | #include <sys/statvfs.h> | |
28 | #include <poll.h> | |
29 | #include <sys/ioctl.h> | |
30 | #include <netdb.h> | |
31 | #include <sys/socket.h> | |
32 | #include <net/if.h> | |
33 | #endif | |
34 | ||
35 | #ifdef HAVE_CONFIG_H | |
9a96dd46 | 36 | #include "config.h" |
eecdc4f3 RS |
37 | #endif |
38 | ||
84004dbf RS |
39 | #include <stdio.h> |
40 | #include <stdlib.h> | |
41 | #include <string.h> | |
84004dbf RS |
42 | #include <sys/types.h> |
43 | #include <sys/stat.h> | |
84004dbf RS |
44 | #include <fcntl.h> |
45 | #include <errno.h> | |
46 | #include <poll.h> | |
b989ca9c | 47 | #include <sys/socket.h> |
552c7665 RS |
48 | #include <net/if.h> |
49 | #include <netdb.h> | |
647d2ea1 RS |
50 | #ifdef HAVE_SYS_SOCKIO_H |
51 | #include <sys/sockio.h> | |
52 | #endif | |
84004dbf RS |
53 | #include "libnfs.h" |
54 | #include "libnfs-raw.h" | |
55 | #include "libnfs-raw-mount.h" | |
56 | #include "libnfs-raw-nfs.h" | |
1896d37b | 57 | #include "libnfs-private.h" |
84004dbf RS |
58 | |
59 | struct sync_cb_data { | |
60 | int is_finished; | |
61 | int status; | |
62 | off_t offset; | |
63 | void *return_data; | |
64 | int return_int; | |
65 | }; | |
66 | ||
67 | ||
df5af25f | 68 | static void wait_for_reply(struct rpc_context *rpc, struct sync_cb_data *cb_data) |
84004dbf RS |
69 | { |
70 | struct pollfd pfd; | |
71 | ||
b077fdeb RS |
72 | while (!cb_data->is_finished) { |
73 | ||
df5af25f RS |
74 | pfd.fd = rpc_get_fd(rpc); |
75 | pfd.events = rpc_which_events(rpc); | |
84004dbf | 76 | if (poll(&pfd, 1, -1) < 0) { |
df5af25f | 77 | rpc_set_error(rpc, "Poll failed"); |
84004dbf RS |
78 | cb_data->status = -EIO; |
79 | break; | |
80 | } | |
df5af25f RS |
81 | if (rpc_service(rpc, pfd.revents) < 0) { |
82 | rpc_set_error(rpc, "rpc_service failed"); | |
84004dbf RS |
83 | cb_data->status = -EIO; |
84 | break; | |
85 | } | |
b077fdeb RS |
86 | if (rpc_get_fd(rpc) == -1) { |
87 | rpc_set_error(rpc, "Socket closed\n"); | |
88 | break; | |
89 | } | |
90 | } | |
91 | } | |
92 | ||
93 | static void wait_for_nfs_reply(struct nfs_context *nfs, struct sync_cb_data *cb_data) | |
94 | { | |
95 | struct pollfd pfd; | |
96 | ||
97 | while (!cb_data->is_finished) { | |
98 | ||
99 | pfd.fd = nfs_get_fd(nfs); | |
100 | pfd.events = nfs_which_events(nfs); | |
101 | if (poll(&pfd, 1, -1) < 0) { | |
102 | nfs_set_error(nfs, "Poll failed"); | |
103 | cb_data->status = -EIO; | |
104 | break; | |
105 | } | |
106 | if (nfs_service(nfs, pfd.revents) < 0) { | |
107 | nfs_set_error(nfs, "nfs_service failed"); | |
108 | cb_data->status = -EIO; | |
109 | break; | |
110 | } | |
111 | if (nfs_get_fd(nfs) == -1) { | |
112 | char *server = strdup(nfs_get_server(nfs)); | |
113 | char *export = strdup(nfs_get_export(nfs)); | |
114 | ||
115 | if (nfs_mount(nfs, server, export) != 0) { | |
116 | nfs_set_error(nfs, "Failed to reconnect to nfs server %s", nfs_get_error(nfs)); | |
117 | free(server); | |
118 | free(export); | |
119 | break; | |
120 | } | |
121 | free(server); | |
122 | free(export); | |
123 | } | |
84004dbf RS |
124 | } |
125 | } | |
126 | ||
127 | ||
128 | ||
129 | ||
130 | ||
131 | ||
132 | /* | |
133 | * connect to the server and mount the export | |
134 | */ | |
1896d37b | 135 | static void mount_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
136 | { |
137 | struct sync_cb_data *cb_data = private_data; | |
138 | ||
139 | cb_data->is_finished = 1; | |
140 | cb_data->status = status; | |
141 | ||
142 | if (status < 0) { | |
1896d37b | 143 | nfs_set_error(nfs, "mount/mnt call failed with \"%s\"", (char *)data); |
84004dbf RS |
144 | return; |
145 | } | |
146 | } | |
147 | ||
e2ba5764 | 148 | int nfs_mount(struct nfs_context *nfs, const char *server, const char *export) |
84004dbf RS |
149 | { |
150 | struct sync_cb_data cb_data; | |
151 | ||
152 | cb_data.is_finished = 0; | |
153 | ||
154 | if (nfs_mount_async(nfs, server, export, mount_cb, &cb_data) != 0) { | |
1896d37b | 155 | nfs_set_error(nfs, "nfs_mount_async failed"); |
84004dbf RS |
156 | return -1; |
157 | } | |
158 | ||
b077fdeb | 159 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
160 | |
161 | return cb_data.status; | |
162 | } | |
163 | ||
164 | ||
165 | /* | |
166 | * stat() | |
167 | */ | |
1896d37b | 168 | static void stat_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
169 | { |
170 | struct sync_cb_data *cb_data = private_data; | |
171 | ||
172 | cb_data->is_finished = 1; | |
173 | cb_data->status = status; | |
174 | ||
175 | if (status < 0) { | |
1896d37b | 176 | nfs_set_error(nfs, "stat call failed with \"%s\"", (char *)data); |
84004dbf RS |
177 | return; |
178 | } | |
179 | ||
180 | memcpy(cb_data->return_data, data, sizeof(struct stat)); | |
181 | } | |
182 | ||
e2ba5764 | 183 | int nfs_stat(struct nfs_context *nfs, const char *path, struct stat *st) |
84004dbf RS |
184 | { |
185 | struct sync_cb_data cb_data; | |
186 | ||
187 | cb_data.is_finished = 0; | |
188 | cb_data.return_data = st; | |
189 | ||
190 | if (nfs_stat_async(nfs, path, stat_cb, &cb_data) != 0) { | |
1896d37b | 191 | nfs_set_error(nfs, "nfs_stat_async failed"); |
84004dbf RS |
192 | return -1; |
193 | } | |
194 | ||
b077fdeb | 195 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
196 | |
197 | return cb_data.status; | |
198 | } | |
199 | ||
200 | ||
201 | ||
202 | ||
203 | /* | |
204 | * open() | |
205 | */ | |
1896d37b | 206 | static void open_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
207 | { |
208 | struct sync_cb_data *cb_data = private_data; | |
209 | struct nfsfh *fh, **nfsfh; | |
210 | ||
211 | cb_data->is_finished = 1; | |
212 | cb_data->status = status; | |
213 | ||
214 | if (status < 0) { | |
1896d37b | 215 | nfs_set_error(nfs, "open call failed with \"%s\"", (char *)data); |
84004dbf RS |
216 | return; |
217 | } | |
218 | ||
219 | fh = data; | |
220 | nfsfh = cb_data->return_data; | |
221 | *nfsfh = fh; | |
222 | } | |
223 | ||
e2ba5764 | 224 | int nfs_open(struct nfs_context *nfs, const char *path, int mode, struct nfsfh **nfsfh) |
84004dbf RS |
225 | { |
226 | struct sync_cb_data cb_data; | |
227 | ||
228 | cb_data.is_finished = 0; | |
229 | cb_data.return_data = nfsfh; | |
230 | ||
231 | if (nfs_open_async(nfs, path, mode, open_cb, &cb_data) != 0) { | |
1896d37b | 232 | nfs_set_error(nfs, "nfs_open_async failed"); |
84004dbf RS |
233 | return -1; |
234 | } | |
235 | ||
b077fdeb | 236 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
237 | |
238 | return cb_data.status; | |
239 | } | |
240 | ||
241 | ||
242 | ||
243 | ||
244 | /* | |
245 | * pread() | |
246 | */ | |
1896d37b | 247 | static void pread_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
248 | { |
249 | struct sync_cb_data *cb_data = private_data; | |
250 | char *buffer; | |
251 | cb_data->is_finished = 1; | |
252 | cb_data->status = status; | |
253 | ||
254 | if (status < 0) { | |
1896d37b | 255 | nfs_set_error(nfs, "pread call failed with \"%s\"", (char *)data); |
84004dbf RS |
256 | return; |
257 | } | |
258 | ||
259 | buffer = cb_data->return_data; | |
260 | memcpy(buffer, (char *)data, status); | |
261 | } | |
262 | ||
e2ba5764 | 263 | int nfs_pread(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buffer) |
84004dbf RS |
264 | { |
265 | struct sync_cb_data cb_data; | |
266 | ||
267 | cb_data.is_finished = 0; | |
268 | cb_data.return_data = buffer; | |
269 | ||
270 | if (nfs_pread_async(nfs, nfsfh, offset, count, pread_cb, &cb_data) != 0) { | |
1896d37b | 271 | nfs_set_error(nfs, "nfs_pread_async failed"); |
84004dbf RS |
272 | return -1; |
273 | } | |
274 | ||
b077fdeb | 275 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
276 | |
277 | return cb_data.status; | |
278 | } | |
279 | ||
280 | /* | |
281 | * read() | |
282 | */ | |
e2ba5764 | 283 | int nfs_read(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buffer) |
84004dbf | 284 | { |
e2ba5764 | 285 | return nfs_pread(nfs, nfsfh, nfs_get_current_offset(nfsfh), count, buffer); |
84004dbf RS |
286 | } |
287 | ||
288 | /* | |
289 | * close() | |
290 | */ | |
1896d37b | 291 | static void close_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
292 | { |
293 | struct sync_cb_data *cb_data = private_data; | |
294 | cb_data->is_finished = 1; | |
295 | cb_data->status = status; | |
296 | ||
297 | if (status < 0) { | |
1896d37b | 298 | nfs_set_error(nfs, "close call failed with \"%s\"", (char *)data); |
84004dbf RS |
299 | return; |
300 | } | |
301 | } | |
302 | ||
e2ba5764 | 303 | int nfs_close(struct nfs_context *nfs, struct nfsfh *nfsfh) |
84004dbf RS |
304 | { |
305 | struct sync_cb_data cb_data; | |
306 | ||
307 | cb_data.is_finished = 0; | |
308 | ||
309 | if (nfs_close_async(nfs, nfsfh, close_cb, &cb_data) != 0) { | |
1896d37b | 310 | nfs_set_error(nfs, "nfs_close_async failed"); |
84004dbf RS |
311 | return -1; |
312 | } | |
313 | ||
b077fdeb | 314 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
315 | |
316 | return cb_data.status; | |
317 | } | |
318 | ||
319 | ||
320 | ||
321 | ||
322 | /* | |
323 | * fstat() | |
324 | */ | |
e2ba5764 | 325 | int nfs_fstat(struct nfs_context *nfs, struct nfsfh *nfsfh, struct stat *st) |
84004dbf RS |
326 | { |
327 | struct sync_cb_data cb_data; | |
328 | ||
329 | cb_data.is_finished = 0; | |
330 | cb_data.return_data = st; | |
331 | ||
332 | if (nfs_fstat_async(nfs, nfsfh, stat_cb, &cb_data) != 0) { | |
1896d37b | 333 | nfs_set_error(nfs, "nfs_fstat_async failed"); |
84004dbf RS |
334 | return -1; |
335 | } | |
336 | ||
b077fdeb | 337 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
338 | |
339 | return cb_data.status; | |
340 | } | |
341 | ||
342 | ||
343 | /* | |
344 | * pwrite() | |
345 | */ | |
1896d37b | 346 | static void pwrite_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
347 | { |
348 | struct sync_cb_data *cb_data = private_data; | |
349 | cb_data->is_finished = 1; | |
350 | cb_data->status = status; | |
351 | ||
352 | if (status < 0) { | |
1896d37b | 353 | nfs_set_error(nfs, "pwrite call failed with \"%s\"", (char *)data); |
84004dbf RS |
354 | return; |
355 | } | |
356 | } | |
357 | ||
e2ba5764 | 358 | int nfs_pwrite(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buf) |
84004dbf RS |
359 | { |
360 | struct sync_cb_data cb_data; | |
361 | ||
362 | cb_data.is_finished = 0; | |
363 | ||
364 | if (nfs_pwrite_async(nfs, nfsfh, offset, count, buf, pwrite_cb, &cb_data) != 0) { | |
1896d37b | 365 | nfs_set_error(nfs, "nfs_pwrite_async failed"); |
84004dbf RS |
366 | return -1; |
367 | } | |
368 | ||
b077fdeb | 369 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
370 | |
371 | return cb_data.status; | |
372 | } | |
373 | ||
374 | /* | |
375 | * write() | |
376 | */ | |
e2ba5764 | 377 | int nfs_write(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buf) |
84004dbf | 378 | { |
e2ba5764 | 379 | return nfs_pwrite(nfs, nfsfh, nfs_get_current_offset(nfsfh), count, buf); |
84004dbf RS |
380 | } |
381 | ||
382 | ||
383 | /* | |
384 | * fsync() | |
385 | */ | |
1896d37b | 386 | static void fsync_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
387 | { |
388 | struct sync_cb_data *cb_data = private_data; | |
389 | cb_data->is_finished = 1; | |
390 | cb_data->status = status; | |
391 | ||
392 | if (status < 0) { | |
1896d37b | 393 | nfs_set_error(nfs, "fsync call failed with \"%s\"", (char *)data); |
84004dbf RS |
394 | return; |
395 | } | |
396 | } | |
397 | ||
e2ba5764 | 398 | int nfs_fsync(struct nfs_context *nfs, struct nfsfh *nfsfh) |
84004dbf RS |
399 | { |
400 | struct sync_cb_data cb_data; | |
401 | ||
402 | cb_data.is_finished = 0; | |
403 | ||
404 | if (nfs_fsync_async(nfs, nfsfh, fsync_cb, &cb_data) != 0) { | |
1896d37b | 405 | nfs_set_error(nfs, "nfs_fsync_async failed"); |
84004dbf RS |
406 | return -1; |
407 | } | |
408 | ||
b077fdeb | 409 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
410 | |
411 | return cb_data.status; | |
412 | } | |
413 | ||
414 | ||
415 | ||
416 | ||
417 | /* | |
418 | * ftruncate() | |
419 | */ | |
1896d37b | 420 | static void ftruncate_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
421 | { |
422 | struct sync_cb_data *cb_data = private_data; | |
423 | cb_data->is_finished = 1; | |
424 | cb_data->status = status; | |
425 | ||
426 | if (status < 0) { | |
1896d37b | 427 | nfs_set_error(nfs, "ftruncate call failed with \"%s\"", (char *)data); |
84004dbf RS |
428 | return; |
429 | } | |
430 | } | |
431 | ||
e2ba5764 | 432 | int nfs_ftruncate(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t length) |
84004dbf RS |
433 | { |
434 | struct sync_cb_data cb_data; | |
435 | ||
436 | cb_data.is_finished = 0; | |
437 | ||
438 | if (nfs_ftruncate_async(nfs, nfsfh, length, ftruncate_cb, &cb_data) != 0) { | |
1896d37b | 439 | nfs_set_error(nfs, "nfs_ftruncate_async failed"); |
84004dbf RS |
440 | return -1; |
441 | } | |
442 | ||
b077fdeb | 443 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
444 | |
445 | return cb_data.status; | |
446 | } | |
447 | ||
448 | ||
449 | ||
450 | /* | |
451 | * truncate() | |
452 | */ | |
1896d37b | 453 | static void truncate_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
454 | { |
455 | struct sync_cb_data *cb_data = private_data; | |
456 | cb_data->is_finished = 1; | |
457 | cb_data->status = status; | |
458 | ||
459 | if (status < 0) { | |
1896d37b | 460 | nfs_set_error(nfs, "truncate call failed with \"%s\"", (char *)data); |
84004dbf RS |
461 | return; |
462 | } | |
463 | } | |
464 | ||
e2ba5764 | 465 | int nfs_truncate(struct nfs_context *nfs, const char *path, off_t length) |
84004dbf RS |
466 | { |
467 | struct sync_cb_data cb_data; | |
468 | ||
469 | cb_data.is_finished = 0; | |
470 | ||
471 | if (nfs_truncate_async(nfs, path, length, truncate_cb, &cb_data) != 0) { | |
1896d37b | 472 | nfs_set_error(nfs, "nfs_ftruncate_async failed"); |
84004dbf RS |
473 | return -1; |
474 | } | |
475 | ||
b077fdeb | 476 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
477 | |
478 | return cb_data.status; | |
479 | } | |
480 | ||
481 | ||
482 | ||
483 | ||
484 | ||
485 | /* | |
486 | * mkdir() | |
487 | */ | |
1896d37b | 488 | static void mkdir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
489 | { |
490 | struct sync_cb_data *cb_data = private_data; | |
491 | cb_data->is_finished = 1; | |
492 | cb_data->status = status; | |
493 | ||
494 | if (status < 0) { | |
1896d37b | 495 | nfs_set_error(nfs, "mkdir call failed with \"%s\"", (char *)data); |
84004dbf RS |
496 | return; |
497 | } | |
498 | } | |
499 | ||
e2ba5764 | 500 | int nfs_mkdir(struct nfs_context *nfs, const char *path) |
84004dbf RS |
501 | { |
502 | struct sync_cb_data cb_data; | |
503 | ||
504 | cb_data.is_finished = 0; | |
505 | ||
506 | if (nfs_mkdir_async(nfs, path, mkdir_cb, &cb_data) != 0) { | |
1896d37b | 507 | nfs_set_error(nfs, "nfs_mkdir_async failed"); |
84004dbf RS |
508 | return -1; |
509 | } | |
510 | ||
b077fdeb | 511 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
512 | |
513 | return cb_data.status; | |
514 | } | |
515 | ||
516 | ||
517 | ||
518 | ||
519 | ||
520 | /* | |
521 | * rmdir() | |
522 | */ | |
1896d37b | 523 | static void rmdir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
524 | { |
525 | struct sync_cb_data *cb_data = private_data; | |
526 | cb_data->is_finished = 1; | |
527 | cb_data->status = status; | |
528 | ||
529 | if (status < 0) { | |
1896d37b | 530 | nfs_set_error(nfs, "rmdir call failed with \"%s\"", (char *)data); |
84004dbf RS |
531 | return; |
532 | } | |
533 | } | |
534 | ||
e2ba5764 | 535 | int nfs_rmdir(struct nfs_context *nfs, const char *path) |
84004dbf RS |
536 | { |
537 | struct sync_cb_data cb_data; | |
538 | ||
539 | cb_data.is_finished = 0; | |
540 | ||
541 | if (nfs_rmdir_async(nfs, path, rmdir_cb, &cb_data) != 0) { | |
1896d37b | 542 | nfs_set_error(nfs, "nfs_rmdir_async failed"); |
84004dbf RS |
543 | return -1; |
544 | } | |
545 | ||
b077fdeb | 546 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
547 | |
548 | return cb_data.status; | |
549 | } | |
550 | ||
551 | ||
552 | ||
553 | /* | |
554 | * creat() | |
555 | */ | |
1896d37b | 556 | static void creat_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
557 | { |
558 | struct sync_cb_data *cb_data = private_data; | |
559 | struct nfsfh *fh, **nfsfh; | |
560 | ||
561 | cb_data->is_finished = 1; | |
562 | cb_data->status = status; | |
563 | ||
564 | if (status < 0) { | |
1896d37b | 565 | nfs_set_error(nfs, "creat call failed with \"%s\"", (char *)data); |
84004dbf RS |
566 | return; |
567 | } | |
568 | ||
569 | fh = data; | |
570 | nfsfh = cb_data->return_data; | |
571 | *nfsfh = fh; | |
572 | } | |
573 | ||
e2ba5764 | 574 | int nfs_creat(struct nfs_context *nfs, const char *path, int mode, struct nfsfh **nfsfh) |
84004dbf RS |
575 | { |
576 | struct sync_cb_data cb_data; | |
577 | ||
578 | cb_data.is_finished = 0; | |
579 | cb_data.return_data = nfsfh; | |
580 | ||
581 | if (nfs_creat_async(nfs, path, mode, creat_cb, &cb_data) != 0) { | |
1896d37b | 582 | nfs_set_error(nfs, "nfs_creat_async failed"); |
84004dbf RS |
583 | return -1; |
584 | } | |
585 | ||
b077fdeb | 586 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
587 | |
588 | return cb_data.status; | |
589 | } | |
590 | ||
591 | ||
592 | ||
593 | ||
594 | /* | |
595 | * unlink() | |
596 | */ | |
1896d37b | 597 | static void unlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
598 | { |
599 | struct sync_cb_data *cb_data = private_data; | |
600 | ||
601 | cb_data->is_finished = 1; | |
602 | cb_data->status = status; | |
603 | ||
604 | if (status < 0) { | |
1896d37b | 605 | nfs_set_error(nfs, "unlink call failed with \"%s\"", (char *)data); |
84004dbf RS |
606 | return; |
607 | } | |
608 | } | |
609 | ||
e2ba5764 | 610 | int nfs_unlink(struct nfs_context *nfs, const char *path) |
84004dbf RS |
611 | { |
612 | struct sync_cb_data cb_data; | |
613 | ||
614 | cb_data.is_finished = 0; | |
615 | ||
616 | if (nfs_unlink_async(nfs, path, unlink_cb, &cb_data) != 0) { | |
1896d37b | 617 | nfs_set_error(nfs, "nfs_unlink_async failed"); |
84004dbf RS |
618 | return -1; |
619 | } | |
620 | ||
b077fdeb | 621 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
622 | |
623 | return cb_data.status; | |
624 | } | |
625 | ||
626 | ||
627 | ||
628 | /* | |
629 | * opendir() | |
630 | */ | |
1896d37b | 631 | static void opendir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
632 | { |
633 | struct sync_cb_data *cb_data = private_data; | |
634 | struct nfsdir *dir, **nfsdir; | |
635 | ||
636 | cb_data->is_finished = 1; | |
637 | cb_data->status = status; | |
638 | ||
639 | if (status < 0) { | |
1896d37b | 640 | nfs_set_error(nfs, "opendir call failed with \"%s\"", (char *)data); |
84004dbf RS |
641 | return; |
642 | } | |
643 | ||
644 | dir = data; | |
645 | nfsdir = cb_data->return_data; | |
646 | *nfsdir = dir; | |
647 | } | |
648 | ||
e2ba5764 | 649 | int nfs_opendir(struct nfs_context *nfs, const char *path, struct nfsdir **nfsdir) |
84004dbf RS |
650 | { |
651 | struct sync_cb_data cb_data; | |
652 | ||
653 | cb_data.is_finished = 0; | |
654 | cb_data.return_data = nfsdir; | |
655 | ||
656 | if (nfs_opendir_async(nfs, path, opendir_cb, &cb_data) != 0) { | |
1896d37b | 657 | nfs_set_error(nfs, "nfs_opendir_async failed"); |
84004dbf RS |
658 | return -1; |
659 | } | |
660 | ||
b077fdeb | 661 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
662 | |
663 | return cb_data.status; | |
664 | } | |
665 | ||
666 | ||
667 | /* | |
668 | * lseek() | |
669 | */ | |
1896d37b | 670 | static void lseek_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
671 | { |
672 | struct sync_cb_data *cb_data = private_data; | |
673 | ||
674 | cb_data->is_finished = 1; | |
675 | cb_data->status = status; | |
676 | ||
677 | if (status < 0) { | |
1896d37b | 678 | nfs_set_error(nfs, "lseek call failed with \"%s\"", (char *)data); |
84004dbf RS |
679 | return; |
680 | } | |
681 | ||
682 | if (cb_data->return_data != NULL) { | |
683 | memcpy(cb_data->return_data, data, sizeof(off_t)); | |
684 | } | |
685 | } | |
686 | ||
e2ba5764 | 687 | int nfs_lseek(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, int whence, off_t *current_offset) |
84004dbf RS |
688 | { |
689 | struct sync_cb_data cb_data; | |
690 | ||
691 | cb_data.is_finished = 0; | |
692 | cb_data.return_data = current_offset; | |
693 | ||
694 | if (nfs_lseek_async(nfs, nfsfh, offset, whence, lseek_cb, &cb_data) != 0) { | |
1896d37b | 695 | nfs_set_error(nfs, "nfs_lseek_async failed"); |
84004dbf RS |
696 | return -1; |
697 | } | |
698 | ||
b077fdeb | 699 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
700 | |
701 | return cb_data.status; | |
702 | } | |
703 | ||
704 | ||
705 | ||
706 | /* | |
707 | * statvfs() | |
708 | */ | |
1896d37b | 709 | static void statvfs_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
710 | { |
711 | struct sync_cb_data *cb_data = private_data; | |
712 | ||
713 | cb_data->is_finished = 1; | |
714 | cb_data->status = status; | |
715 | ||
716 | if (status < 0) { | |
1896d37b | 717 | nfs_set_error(nfs, "statvfs call failed with \"%s\"", (char *)data); |
84004dbf RS |
718 | return; |
719 | } | |
720 | ||
721 | memcpy(cb_data->return_data, data, sizeof(struct statvfs)); | |
722 | } | |
723 | ||
e2ba5764 | 724 | int nfs_statvfs(struct nfs_context *nfs, const char *path, struct statvfs *svfs) |
84004dbf RS |
725 | { |
726 | struct sync_cb_data cb_data; | |
727 | ||
728 | cb_data.is_finished = 0; | |
729 | cb_data.return_data = svfs; | |
730 | ||
731 | if (nfs_statvfs_async(nfs, path, statvfs_cb, &cb_data) != 0) { | |
1896d37b | 732 | nfs_set_error(nfs, "nfs_statvfs_async failed"); |
84004dbf RS |
733 | return -1; |
734 | } | |
735 | ||
b077fdeb | 736 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
737 | |
738 | return cb_data.status; | |
739 | } | |
740 | ||
741 | ||
742 | ||
743 | ||
744 | ||
745 | /* | |
746 | * readlink() | |
747 | */ | |
1896d37b | 748 | static void readlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
749 | { |
750 | struct sync_cb_data *cb_data = private_data; | |
751 | ||
752 | cb_data->is_finished = 1; | |
753 | cb_data->status = status; | |
754 | ||
755 | if (status < 0) { | |
1896d37b | 756 | nfs_set_error(nfs, "readlink call failed with \"%s\"", (char *)data); |
84004dbf RS |
757 | return; |
758 | } | |
759 | ||
760 | if (strlen(data) > (size_t)cb_data->return_int) { | |
1896d37b | 761 | nfs_set_error(nfs, "Too small buffer for readlink"); |
84004dbf RS |
762 | cb_data->status = -ENAMETOOLONG; |
763 | return; | |
764 | } | |
765 | ||
766 | memcpy(cb_data->return_data, data, strlen(data)+1); | |
767 | } | |
768 | ||
e2ba5764 | 769 | int nfs_readlink(struct nfs_context *nfs, const char *path, char *buf, int bufsize) |
84004dbf RS |
770 | { |
771 | struct sync_cb_data cb_data; | |
772 | ||
773 | cb_data.is_finished = 0; | |
774 | cb_data.return_data = buf; | |
775 | cb_data.return_int = bufsize; | |
776 | ||
777 | if (nfs_readlink_async(nfs, path, readlink_cb, &cb_data) != 0) { | |
1896d37b | 778 | nfs_set_error(nfs, "nfs_readlink_async failed"); |
84004dbf RS |
779 | return -1; |
780 | } | |
781 | ||
b077fdeb | 782 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
783 | |
784 | return cb_data.status; | |
785 | } | |
786 | ||
787 | ||
788 | ||
789 | /* | |
790 | * chmod() | |
791 | */ | |
1896d37b | 792 | static void chmod_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
793 | { |
794 | struct sync_cb_data *cb_data = private_data; | |
795 | ||
796 | cb_data->is_finished = 1; | |
797 | cb_data->status = status; | |
798 | ||
799 | if (status < 0) { | |
1896d37b | 800 | nfs_set_error(nfs, "chmod call failed with \"%s\"", (char *)data); |
84004dbf RS |
801 | return; |
802 | } | |
803 | } | |
804 | ||
e2ba5764 | 805 | int nfs_chmod(struct nfs_context *nfs, const char *path, int mode) |
84004dbf RS |
806 | { |
807 | struct sync_cb_data cb_data; | |
808 | ||
809 | cb_data.is_finished = 0; | |
810 | ||
811 | if (nfs_chmod_async(nfs, path, mode, chmod_cb, &cb_data) != 0) { | |
1896d37b | 812 | nfs_set_error(nfs, "nfs_chmod_async failed"); |
84004dbf RS |
813 | return -1; |
814 | } | |
815 | ||
b077fdeb | 816 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
817 | |
818 | return cb_data.status; | |
819 | } | |
820 | ||
821 | ||
822 | ||
823 | ||
824 | /* | |
825 | * fchmod() | |
826 | */ | |
1896d37b | 827 | static void fchmod_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
828 | { |
829 | struct sync_cb_data *cb_data = private_data; | |
830 | ||
831 | cb_data->is_finished = 1; | |
832 | cb_data->status = status; | |
833 | ||
834 | if (status < 0) { | |
1896d37b | 835 | nfs_set_error(nfs, "fchmod call failed with \"%s\"", (char *)data); |
84004dbf RS |
836 | return; |
837 | } | |
838 | } | |
839 | ||
e2ba5764 | 840 | int nfs_fchmod(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode) |
84004dbf RS |
841 | { |
842 | struct sync_cb_data cb_data; | |
843 | ||
844 | cb_data.is_finished = 0; | |
845 | ||
846 | if (nfs_fchmod_async(nfs, nfsfh, mode, fchmod_cb, &cb_data) != 0) { | |
1896d37b | 847 | nfs_set_error(nfs, "nfs_fchmod_async failed"); |
84004dbf RS |
848 | return -1; |
849 | } | |
850 | ||
b077fdeb | 851 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
852 | |
853 | return cb_data.status; | |
854 | } | |
855 | ||
856 | ||
857 | ||
858 | ||
859 | /* | |
860 | * chown() | |
861 | */ | |
1896d37b | 862 | static void chown_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
863 | { |
864 | struct sync_cb_data *cb_data = private_data; | |
865 | ||
866 | cb_data->is_finished = 1; | |
867 | cb_data->status = status; | |
868 | ||
869 | if (status < 0) { | |
1896d37b | 870 | nfs_set_error(nfs, "chown call failed with \"%s\"", (char *)data); |
84004dbf RS |
871 | return; |
872 | } | |
873 | } | |
874 | ||
e2ba5764 | 875 | int nfs_chown(struct nfs_context *nfs, const char *path, int uid, int gid) |
84004dbf RS |
876 | { |
877 | struct sync_cb_data cb_data; | |
878 | ||
879 | cb_data.is_finished = 0; | |
880 | ||
881 | if (nfs_chown_async(nfs, path, uid, gid, chown_cb, &cb_data) != 0) { | |
1896d37b | 882 | nfs_set_error(nfs, "nfs_chown_async failed"); |
84004dbf RS |
883 | return -1; |
884 | } | |
885 | ||
b077fdeb | 886 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
887 | |
888 | return cb_data.status; | |
889 | } | |
890 | ||
891 | /* | |
892 | * fchown() | |
893 | */ | |
1896d37b | 894 | static void fchown_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
895 | { |
896 | struct sync_cb_data *cb_data = private_data; | |
897 | ||
898 | cb_data->is_finished = 1; | |
899 | cb_data->status = status; | |
900 | ||
901 | if (status < 0) { | |
1896d37b | 902 | nfs_set_error(nfs, "fchown call failed with \"%s\"", (char *)data); |
84004dbf RS |
903 | return; |
904 | } | |
905 | } | |
906 | ||
e2ba5764 | 907 | int nfs_fchown(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid) |
84004dbf RS |
908 | { |
909 | struct sync_cb_data cb_data; | |
910 | ||
911 | cb_data.is_finished = 0; | |
912 | ||
913 | if (nfs_fchown_async(nfs, nfsfh, uid, gid, fchown_cb, &cb_data) != 0) { | |
1896d37b | 914 | nfs_set_error(nfs, "nfs_fchown_async failed"); |
84004dbf RS |
915 | return -1; |
916 | } | |
917 | ||
b077fdeb | 918 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
919 | |
920 | return cb_data.status; | |
921 | } | |
922 | ||
923 | ||
924 | ||
925 | /* | |
926 | * utimes() | |
927 | */ | |
1896d37b | 928 | static void utimes_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
929 | { |
930 | struct sync_cb_data *cb_data = private_data; | |
931 | ||
932 | cb_data->is_finished = 1; | |
933 | cb_data->status = status; | |
934 | ||
935 | if (status < 0) { | |
1896d37b | 936 | nfs_set_error(nfs, "utimes call failed with \"%s\"", (char *)data); |
84004dbf RS |
937 | return; |
938 | } | |
939 | } | |
940 | ||
e2ba5764 | 941 | int nfs_utimes(struct nfs_context *nfs, const char *path, struct timeval *times) |
84004dbf RS |
942 | { |
943 | struct sync_cb_data cb_data; | |
944 | ||
945 | cb_data.is_finished = 0; | |
946 | ||
947 | if (nfs_utimes_async(nfs, path, times, utimes_cb, &cb_data) != 0) { | |
1896d37b | 948 | nfs_set_error(nfs, "nfs_utimes_async failed"); |
84004dbf RS |
949 | return -1; |
950 | } | |
951 | ||
b077fdeb | 952 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
953 | |
954 | return cb_data.status; | |
955 | } | |
956 | ||
957 | ||
958 | ||
959 | /* | |
960 | * utime() | |
961 | */ | |
1896d37b | 962 | static void utime_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
963 | { |
964 | struct sync_cb_data *cb_data = private_data; | |
965 | ||
966 | cb_data->is_finished = 1; | |
967 | cb_data->status = status; | |
968 | ||
969 | if (status < 0) { | |
1896d37b | 970 | nfs_set_error(nfs, "utime call failed with \"%s\"", (char *)data); |
84004dbf RS |
971 | return; |
972 | } | |
973 | } | |
974 | ||
e2ba5764 | 975 | int nfs_utime(struct nfs_context *nfs, const char *path, struct utimbuf *times) |
84004dbf RS |
976 | { |
977 | struct sync_cb_data cb_data; | |
978 | ||
979 | cb_data.is_finished = 0; | |
980 | ||
981 | if (nfs_utime_async(nfs, path, times, utime_cb, &cb_data) != 0) { | |
1896d37b | 982 | nfs_set_error(nfs, "nfs_utimes_async failed"); |
84004dbf RS |
983 | return -1; |
984 | } | |
985 | ||
b077fdeb | 986 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
987 | |
988 | return cb_data.status; | |
989 | } | |
990 | ||
991 | ||
992 | ||
993 | ||
994 | /* | |
995 | * access() | |
996 | */ | |
1896d37b | 997 | static void access_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
998 | { |
999 | struct sync_cb_data *cb_data = private_data; | |
1000 | ||
1001 | cb_data->is_finished = 1; | |
1002 | cb_data->status = status; | |
1003 | ||
1004 | if (status < 0) { | |
1896d37b | 1005 | nfs_set_error(nfs, "access call failed with \"%s\"", (char *)data); |
84004dbf RS |
1006 | return; |
1007 | } | |
1008 | } | |
1009 | ||
e2ba5764 | 1010 | int nfs_access(struct nfs_context *nfs, const char *path, int mode) |
84004dbf RS |
1011 | { |
1012 | struct sync_cb_data cb_data; | |
1013 | ||
1014 | cb_data.is_finished = 0; | |
1015 | ||
1016 | if (nfs_access_async(nfs, path, mode, access_cb, &cb_data) != 0) { | |
1896d37b | 1017 | nfs_set_error(nfs, "nfs_access_async failed"); |
84004dbf RS |
1018 | return -1; |
1019 | } | |
1020 | ||
b077fdeb | 1021 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
1022 | |
1023 | return cb_data.status; | |
1024 | } | |
1025 | ||
1026 | ||
1027 | ||
1028 | /* | |
1029 | * symlink() | |
1030 | */ | |
1896d37b | 1031 | static void symlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
1032 | { |
1033 | struct sync_cb_data *cb_data = private_data; | |
1034 | ||
1035 | cb_data->is_finished = 1; | |
1036 | cb_data->status = status; | |
1037 | ||
1038 | if (status < 0) { | |
1896d37b | 1039 | nfs_set_error(nfs, "symlink call failed with \"%s\"", (char *)data); |
84004dbf RS |
1040 | return; |
1041 | } | |
1042 | } | |
1043 | ||
e2ba5764 | 1044 | int nfs_symlink(struct nfs_context *nfs, const char *oldpath, const char *newpath) |
84004dbf RS |
1045 | { |
1046 | struct sync_cb_data cb_data; | |
1047 | ||
1048 | cb_data.is_finished = 0; | |
1049 | ||
1050 | if (nfs_symlink_async(nfs, oldpath, newpath, symlink_cb, &cb_data) != 0) { | |
1896d37b | 1051 | nfs_set_error(nfs, "nfs_symlink_async failed"); |
84004dbf RS |
1052 | return -1; |
1053 | } | |
1054 | ||
b077fdeb | 1055 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
1056 | |
1057 | return cb_data.status; | |
1058 | } | |
1059 | ||
1060 | ||
1061 | ||
1062 | /* | |
1063 | * rename() | |
1064 | */ | |
1896d37b | 1065 | static void rename_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
1066 | { |
1067 | struct sync_cb_data *cb_data = private_data; | |
1068 | ||
1069 | cb_data->is_finished = 1; | |
1070 | cb_data->status = status; | |
1071 | ||
1072 | if (status < 0) { | |
1896d37b | 1073 | nfs_set_error(nfs, "rename call failed with \"%s\"", (char *)data); |
84004dbf RS |
1074 | return; |
1075 | } | |
1076 | } | |
1077 | ||
e2ba5764 | 1078 | int nfs_rename(struct nfs_context *nfs, const char *oldpath, const char *newpath) |
84004dbf RS |
1079 | { |
1080 | struct sync_cb_data cb_data; | |
1081 | ||
1082 | cb_data.is_finished = 0; | |
1083 | ||
1084 | if (nfs_rename_async(nfs, oldpath, newpath, rename_cb, &cb_data) != 0) { | |
1896d37b | 1085 | nfs_set_error(nfs, "nfs_rename_async failed"); |
84004dbf RS |
1086 | return -1; |
1087 | } | |
1088 | ||
b077fdeb | 1089 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
1090 | |
1091 | return cb_data.status; | |
1092 | } | |
1093 | ||
1094 | ||
1095 | ||
1096 | /* | |
1097 | * link() | |
1098 | */ | |
1896d37b | 1099 | static void link_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
1100 | { |
1101 | struct sync_cb_data *cb_data = private_data; | |
1102 | ||
1103 | cb_data->is_finished = 1; | |
1104 | cb_data->status = status; | |
1105 | ||
1106 | if (status < 0) { | |
1896d37b | 1107 | nfs_set_error(nfs, "link call failed with \"%s\"", (char *)data); |
84004dbf RS |
1108 | return; |
1109 | } | |
1110 | } | |
1111 | ||
e2ba5764 | 1112 | int nfs_link(struct nfs_context *nfs, const char *oldpath, const char *newpath) |
84004dbf RS |
1113 | { |
1114 | struct sync_cb_data cb_data; | |
1115 | ||
1116 | cb_data.is_finished = 0; | |
1117 | ||
1118 | if (nfs_link_async(nfs, oldpath, newpath, link_cb, &cb_data) != 0) { | |
1896d37b | 1119 | nfs_set_error(nfs, "nfs_link_async failed"); |
84004dbf RS |
1120 | return -1; |
1121 | } | |
1122 | ||
b077fdeb | 1123 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
1124 | |
1125 | return cb_data.status; | |
1126 | } | |
df5af25f | 1127 | |
739df145 | 1128 | void mount_getexports_cb(struct rpc_context *mount_context, int status, void *data, void *private_data) |
df5af25f RS |
1129 | { |
1130 | struct sync_cb_data *cb_data = private_data; | |
1131 | exports export = *(exports *)data; | |
1132 | ||
df5af25f RS |
1133 | cb_data->is_finished = 1; |
1134 | cb_data->status = status; | |
1135 | cb_data->return_data = NULL; | |
1136 | ||
739df145 RS |
1137 | if (status != 0) { |
1138 | rpc_set_error(mount_context, "mount/export call failed with \"%s\"", (char *)data); | |
1139 | return; | |
1140 | } | |
1141 | ||
df5af25f RS |
1142 | while (export != NULL) { |
1143 | exports new_export; | |
1144 | ||
1145 | new_export = malloc(sizeof(*new_export)); | |
1146 | memset(new_export, 0, sizeof(*new_export)); | |
1147 | new_export->ex_dir = strdup(export->ex_dir); | |
1148 | new_export->ex_next = cb_data->return_data; | |
1149 | ||
1150 | cb_data->return_data = new_export; | |
1151 | ||
1152 | export = export->ex_next; | |
1153 | } | |
1154 | } | |
1155 | ||
e210bd2a | 1156 | struct exportnode *mount_getexports(const char *server) |
df5af25f RS |
1157 | { |
1158 | struct sync_cb_data cb_data; | |
e210bd2a RS |
1159 | struct rpc_context *rpc; |
1160 | ||
df5af25f RS |
1161 | |
1162 | cb_data.is_finished = 0; | |
1163 | cb_data.return_data = NULL; | |
1164 | ||
e210bd2a | 1165 | rpc = rpc_init_context(); |
df5af25f | 1166 | if (mount_getexports_async(rpc, server, mount_getexports_cb, &cb_data) != 0) { |
e210bd2a | 1167 | rpc_destroy_context(rpc); |
df5af25f RS |
1168 | return NULL; |
1169 | } | |
1170 | ||
1171 | wait_for_reply(rpc, &cb_data); | |
e210bd2a | 1172 | rpc_destroy_context(rpc); |
df5af25f RS |
1173 | |
1174 | return cb_data.return_data; | |
1175 | } | |
1176 | ||
1177 | void mount_free_export_list(struct exportnode *exports) | |
1178 | { | |
1179 | struct exportnode *tmp; | |
1180 | ||
1181 | while ((tmp = exports)) { | |
1182 | exports = exports->ex_next; | |
1183 | free(tmp->ex_dir); | |
1184 | free(tmp); | |
1185 | } | |
1186 | } | |
1187 | ||
552c7665 RS |
1188 | |
1189 | ||
eecdc4f3 | 1190 | #if !defined(WIN32) |
552c7665 RS |
1191 | void free_nfs_srvr_list(struct nfs_server_list *srv) |
1192 | { | |
1193 | while (srv != NULL) { | |
1194 | struct nfs_server_list *next = srv->next; | |
1195 | ||
1196 | free(srv->addr); | |
1197 | free(srv); | |
1198 | srv = next; | |
1199 | } | |
1200 | } | |
1201 | ||
1202 | struct nfs_list_data { | |
1203 | int status; | |
1204 | struct nfs_server_list *srvrs; | |
1205 | }; | |
1206 | ||
1207 | void callit_cb(struct rpc_context *rpc, int status, void *data _U_, void *private_data) | |
1208 | { | |
1209 | struct nfs_list_data *srv_data = private_data; | |
1210 | struct sockaddr *sin; | |
1211 | char hostdd[16]; | |
1212 | struct nfs_server_list *srvr; | |
1213 | ||
1214 | if (status == RPC_STATUS_CANCEL) { | |
1215 | return; | |
1216 | } | |
1217 | if (status != 0) { | |
1218 | srv_data->status = -1; | |
1219 | return; | |
1220 | } | |
1221 | ||
1222 | sin = rpc_get_recv_sockaddr(rpc); | |
1223 | if (sin == NULL) { | |
1224 | rpc_set_error(rpc, "failed to get sockaddr in CALLIT callback"); | |
1225 | srv_data->status = -1; | |
1226 | return; | |
1227 | } | |
1228 | ||
1229 | if (getnameinfo(sin, sizeof(struct sockaddr_in), &hostdd[0], sizeof(hostdd), NULL, 0, NI_NUMERICHOST) < 0) { | |
1230 | rpc_set_error(rpc, "getnameinfo failed in CALLIT callback"); | |
1231 | srv_data->status = -1; | |
1232 | return; | |
1233 | } | |
552c7665 | 1234 | |
8c27363e RS |
1235 | /* check for dupes */ |
1236 | for (srvr = srv_data->srvrs; srvr; srvr = srvr->next) { | |
1237 | if (!strcmp(hostdd, srvr->addr)) { | |
11ef53a2 | 1238 | return; |
8c27363e RS |
1239 | } |
1240 | } | |
1241 | ||
552c7665 RS |
1242 | srvr = malloc(sizeof(struct nfs_server_list)); |
1243 | if (srvr == NULL) { | |
1244 | rpc_set_error(rpc, "Malloc failed when allocating server structure"); | |
1245 | srv_data->status = -1; | |
1246 | return; | |
1247 | } | |
1248 | ||
1249 | srvr->addr = strdup(hostdd); | |
1250 | if (srvr->addr == NULL) { | |
1251 | rpc_set_error(rpc, "Strdup failed when allocating server structure"); | |
1252 | free(srvr); | |
1253 | srv_data->status = -1; | |
1254 | return; | |
1255 | } | |
1256 | ||
1257 | srvr->next = srv_data->srvrs; | |
1258 | srv_data->srvrs = srvr; | |
1259 | } | |
1260 | ||
e5964ef9 | 1261 | static int send_nfsd_probes(struct rpc_context *rpc, struct ifconf *ifc, struct nfs_list_data *data) |
552c7665 | 1262 | { |
1be803ce | 1263 | char *ptr; |
552c7665 | 1264 | |
e5964ef9 | 1265 | for (ptr =(char *)(ifc->ifc_buf); ptr < (char *)(ifc->ifc_buf) + ifc->ifc_len; ) { |
1be803ce | 1266 | struct ifreq *ifr; |
552c7665 RS |
1267 | char bcdd[16]; |
1268 | ||
1be803ce | 1269 | ifr = (struct ifreq *)ptr; |
9a96dd46 | 1270 | #ifdef HAVE_SOCKADDR_LEN |
1be803ce RS |
1271 | if (ifr->ifr_addr.sa_len > sizeof(struct sockaddr)) { |
1272 | ptr += sizeof(ifr->ifr_name) + ifr->ifr_addr.sa_len; | |
1273 | } else { | |
1274 | ptr += sizeof(ifr->ifr_name) + sizeof(struct sockaddr); | |
1275 | } | |
1276 | #else | |
1277 | ptr += sizeof(struct ifreq); | |
1278 | #endif | |
1279 | ||
1280 | if (ifr->ifr_addr.sa_family != AF_INET) { | |
552c7665 RS |
1281 | continue; |
1282 | } | |
1be803ce | 1283 | if (ioctl(rpc_get_fd(rpc), SIOCGIFFLAGS, ifr) < 0) { |
e5964ef9 | 1284 | return -1; |
552c7665 | 1285 | } |
1be803ce | 1286 | if (!(ifr->ifr_flags & IFF_UP)) { |
552c7665 RS |
1287 | continue; |
1288 | } | |
1be803ce | 1289 | if (ifr->ifr_flags & IFF_LOOPBACK) { |
552c7665 RS |
1290 | continue; |
1291 | } | |
1be803ce | 1292 | if (!(ifr->ifr_flags & IFF_BROADCAST)) { |
552c7665 RS |
1293 | continue; |
1294 | } | |
1be803ce | 1295 | if (ioctl(rpc_get_fd(rpc), SIOCGIFBRDADDR, ifr) < 0) { |
1ad6f931 | 1296 | continue; |
552c7665 | 1297 | } |
1be803ce | 1298 | if (getnameinfo(&ifr->ifr_broadaddr, sizeof(struct sockaddr_in), &bcdd[0], sizeof(bcdd), NULL, 0, NI_NUMERICHOST) < 0) { |
1ad6f931 | 1299 | continue; |
552c7665 RS |
1300 | } |
1301 | if (rpc_set_udp_destination(rpc, bcdd, 111, 1) < 0) { | |
e5964ef9 RS |
1302 | return -1; |
1303 | } | |
1304 | ||
1305 | if (rpc_pmap_callit_async(rpc, MOUNT_PROGRAM, 2, 0, NULL, 0, callit_cb, data) < 0) { | |
1306 | return -1; | |
552c7665 | 1307 | } |
e5964ef9 RS |
1308 | } |
1309 | ||
1310 | return 0; | |
1311 | } | |
1312 | ||
1313 | struct nfs_server_list *nfs_find_local_servers(void) | |
1314 | { | |
1315 | struct rpc_context *rpc; | |
1316 | struct nfs_list_data data = {0, NULL}; | |
1317 | struct timeval tv_start, tv_current; | |
1318 | struct ifconf ifc; | |
8c27363e | 1319 | int size, loop; |
e5964ef9 RS |
1320 | struct pollfd pfd; |
1321 | ||
1322 | rpc = rpc_init_udp_context(); | |
1323 | if (rpc == NULL) { | |
1324 | return NULL; | |
1325 | } | |
1326 | ||
1327 | if (rpc_bind_udp(rpc, "0.0.0.0", 0) < 0) { | |
1328 | rpc_destroy_context(rpc); | |
1329 | return NULL; | |
1330 | } | |
1331 | ||
552c7665 | 1332 | |
e5964ef9 RS |
1333 | /* get list of all interfaces */ |
1334 | size = sizeof(struct ifreq); | |
1335 | ifc.ifc_buf = NULL; | |
1336 | ifc.ifc_len = size; | |
1337 | ||
1338 | while(ifc.ifc_len > (size - sizeof(struct ifreq))) { | |
1339 | size *= 2; | |
1340 | ||
1341 | free(ifc.ifc_buf); | |
1342 | ifc.ifc_len = size; | |
1343 | ifc.ifc_buf = malloc(size); | |
1344 | memset(ifc.ifc_buf, 0, size); | |
1345 | if (ioctl(rpc_get_fd(rpc), SIOCGIFCONF, (caddr_t)&ifc) < 0) { | |
552c7665 RS |
1346 | rpc_destroy_context(rpc); |
1347 | free(ifc.ifc_buf); | |
1348 | return NULL; | |
1349 | } | |
e5964ef9 RS |
1350 | } |
1351 | ||
8c27363e RS |
1352 | for (loop=0; loop<3; loop++) { |
1353 | if (send_nfsd_probes(rpc, &ifc, &data) != 0) { | |
552c7665 | 1354 | rpc_destroy_context(rpc); |
8c27363e | 1355 | free(ifc.ifc_buf); |
552c7665 RS |
1356 | return NULL; |
1357 | } | |
8c27363e RS |
1358 | |
1359 | gettimeofday(&tv_start, NULL); | |
1360 | for(;;) { | |
1361 | int mpt; | |
1362 | ||
1363 | pfd.fd = rpc_get_fd(rpc); | |
1364 | pfd.events = rpc_which_events(rpc); | |
1365 | ||
1366 | gettimeofday(&tv_current, NULL); | |
1367 | mpt = 1000 | |
1368 | - (tv_current.tv_sec *1000 + tv_current.tv_usec / 1000) | |
1369 | + (tv_start.tv_sec *1000 + tv_start.tv_usec / 1000); | |
1370 | ||
1371 | if (poll(&pfd, 1, mpt) < 0) { | |
1372 | free_nfs_srvr_list(data.srvrs); | |
1373 | rpc_destroy_context(rpc); | |
1374 | return NULL; | |
1375 | } | |
1376 | if (pfd.revents == 0) { | |
1377 | break; | |
1378 | } | |
552c7665 | 1379 | |
8c27363e RS |
1380 | if (rpc_service(rpc, pfd.revents) < 0) { |
1381 | break; | |
1382 | } | |
552c7665 RS |
1383 | } |
1384 | } | |
1385 | ||
e5964ef9 | 1386 | free(ifc.ifc_buf); |
552c7665 RS |
1387 | rpc_destroy_context(rpc); |
1388 | ||
1389 | if (data.status != 0) { | |
1390 | free_nfs_srvr_list(data.srvrs); | |
1391 | return NULL; | |
1392 | } | |
1393 | ||
1394 | return data.srvrs; | |
1395 | } | |
eecdc4f3 | 1396 | #endif |