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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> | |
84004dbf RS |
46 | #include "libnfs.h" |
47 | #include "libnfs-raw.h" | |
48 | #include "libnfs-raw-mount.h" | |
49 | #include "libnfs-raw-nfs.h" | |
1896d37b | 50 | #include "libnfs-private.h" |
84004dbf RS |
51 | |
52 | struct sync_cb_data { | |
53 | int is_finished; | |
54 | int status; | |
55 | off_t offset; | |
56 | void *return_data; | |
57 | int return_int; | |
58 | }; | |
59 | ||
60 | ||
df5af25f | 61 | static void wait_for_reply(struct rpc_context *rpc, struct sync_cb_data *cb_data) |
84004dbf RS |
62 | { |
63 | struct pollfd pfd; | |
64 | ||
b077fdeb RS |
65 | while (!cb_data->is_finished) { |
66 | ||
df5af25f RS |
67 | pfd.fd = rpc_get_fd(rpc); |
68 | pfd.events = rpc_which_events(rpc); | |
84004dbf | 69 | if (poll(&pfd, 1, -1) < 0) { |
df5af25f | 70 | rpc_set_error(rpc, "Poll failed"); |
84004dbf RS |
71 | cb_data->status = -EIO; |
72 | break; | |
73 | } | |
df5af25f RS |
74 | if (rpc_service(rpc, pfd.revents) < 0) { |
75 | rpc_set_error(rpc, "rpc_service failed"); | |
84004dbf RS |
76 | cb_data->status = -EIO; |
77 | break; | |
78 | } | |
b077fdeb RS |
79 | if (rpc_get_fd(rpc) == -1) { |
80 | rpc_set_error(rpc, "Socket closed\n"); | |
81 | break; | |
82 | } | |
83 | } | |
84 | } | |
85 | ||
86 | static void wait_for_nfs_reply(struct nfs_context *nfs, struct sync_cb_data *cb_data) | |
87 | { | |
88 | struct pollfd pfd; | |
89 | ||
90 | while (!cb_data->is_finished) { | |
91 | ||
92 | pfd.fd = nfs_get_fd(nfs); | |
93 | pfd.events = nfs_which_events(nfs); | |
94 | if (poll(&pfd, 1, -1) < 0) { | |
95 | nfs_set_error(nfs, "Poll failed"); | |
96 | cb_data->status = -EIO; | |
97 | break; | |
98 | } | |
99 | if (nfs_service(nfs, pfd.revents) < 0) { | |
100 | nfs_set_error(nfs, "nfs_service failed"); | |
101 | cb_data->status = -EIO; | |
102 | break; | |
103 | } | |
104 | if (nfs_get_fd(nfs) == -1) { | |
105 | char *server = strdup(nfs_get_server(nfs)); | |
106 | char *export = strdup(nfs_get_export(nfs)); | |
107 | ||
108 | if (nfs_mount(nfs, server, export) != 0) { | |
109 | nfs_set_error(nfs, "Failed to reconnect to nfs server %s", nfs_get_error(nfs)); | |
110 | free(server); | |
111 | free(export); | |
112 | break; | |
113 | } | |
114 | free(server); | |
115 | free(export); | |
116 | } | |
84004dbf RS |
117 | } |
118 | } | |
119 | ||
120 | ||
121 | ||
122 | ||
123 | ||
124 | ||
125 | /* | |
126 | * connect to the server and mount the export | |
127 | */ | |
1896d37b | 128 | static void mount_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
129 | { |
130 | struct sync_cb_data *cb_data = private_data; | |
131 | ||
132 | cb_data->is_finished = 1; | |
133 | cb_data->status = status; | |
134 | ||
135 | if (status < 0) { | |
1896d37b | 136 | nfs_set_error(nfs, "mount/mnt call failed with \"%s\"", (char *)data); |
84004dbf RS |
137 | return; |
138 | } | |
139 | } | |
140 | ||
e2ba5764 | 141 | int nfs_mount(struct nfs_context *nfs, const char *server, const char *export) |
84004dbf RS |
142 | { |
143 | struct sync_cb_data cb_data; | |
144 | ||
145 | cb_data.is_finished = 0; | |
146 | ||
147 | if (nfs_mount_async(nfs, server, export, mount_cb, &cb_data) != 0) { | |
1896d37b | 148 | nfs_set_error(nfs, "nfs_mount_async failed"); |
84004dbf RS |
149 | return -1; |
150 | } | |
151 | ||
b077fdeb | 152 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
153 | |
154 | return cb_data.status; | |
155 | } | |
156 | ||
157 | ||
158 | /* | |
159 | * stat() | |
160 | */ | |
1896d37b | 161 | static void stat_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
162 | { |
163 | struct sync_cb_data *cb_data = private_data; | |
164 | ||
165 | cb_data->is_finished = 1; | |
166 | cb_data->status = status; | |
167 | ||
168 | if (status < 0) { | |
1896d37b | 169 | nfs_set_error(nfs, "stat call failed with \"%s\"", (char *)data); |
84004dbf RS |
170 | return; |
171 | } | |
172 | ||
173 | memcpy(cb_data->return_data, data, sizeof(struct stat)); | |
174 | } | |
175 | ||
e2ba5764 | 176 | int nfs_stat(struct nfs_context *nfs, const char *path, struct stat *st) |
84004dbf RS |
177 | { |
178 | struct sync_cb_data cb_data; | |
179 | ||
180 | cb_data.is_finished = 0; | |
181 | cb_data.return_data = st; | |
182 | ||
183 | if (nfs_stat_async(nfs, path, stat_cb, &cb_data) != 0) { | |
1896d37b | 184 | nfs_set_error(nfs, "nfs_stat_async failed"); |
84004dbf RS |
185 | return -1; |
186 | } | |
187 | ||
b077fdeb | 188 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
189 | |
190 | return cb_data.status; | |
191 | } | |
192 | ||
193 | ||
194 | ||
195 | ||
196 | /* | |
197 | * open() | |
198 | */ | |
1896d37b | 199 | static void open_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
200 | { |
201 | struct sync_cb_data *cb_data = private_data; | |
202 | struct nfsfh *fh, **nfsfh; | |
203 | ||
204 | cb_data->is_finished = 1; | |
205 | cb_data->status = status; | |
206 | ||
207 | if (status < 0) { | |
1896d37b | 208 | nfs_set_error(nfs, "open call failed with \"%s\"", (char *)data); |
84004dbf RS |
209 | return; |
210 | } | |
211 | ||
212 | fh = data; | |
213 | nfsfh = cb_data->return_data; | |
214 | *nfsfh = fh; | |
215 | } | |
216 | ||
e2ba5764 | 217 | int nfs_open(struct nfs_context *nfs, const char *path, int mode, struct nfsfh **nfsfh) |
84004dbf RS |
218 | { |
219 | struct sync_cb_data cb_data; | |
220 | ||
221 | cb_data.is_finished = 0; | |
222 | cb_data.return_data = nfsfh; | |
223 | ||
224 | if (nfs_open_async(nfs, path, mode, open_cb, &cb_data) != 0) { | |
1896d37b | 225 | nfs_set_error(nfs, "nfs_open_async failed"); |
84004dbf RS |
226 | return -1; |
227 | } | |
228 | ||
b077fdeb | 229 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
230 | |
231 | return cb_data.status; | |
232 | } | |
233 | ||
234 | ||
235 | ||
236 | ||
237 | /* | |
238 | * pread() | |
239 | */ | |
1896d37b | 240 | static void pread_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
241 | { |
242 | struct sync_cb_data *cb_data = private_data; | |
243 | char *buffer; | |
244 | cb_data->is_finished = 1; | |
245 | cb_data->status = status; | |
246 | ||
247 | if (status < 0) { | |
1896d37b | 248 | nfs_set_error(nfs, "pread call failed with \"%s\"", (char *)data); |
84004dbf RS |
249 | return; |
250 | } | |
251 | ||
252 | buffer = cb_data->return_data; | |
253 | memcpy(buffer, (char *)data, status); | |
254 | } | |
255 | ||
e2ba5764 | 256 | int nfs_pread(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buffer) |
84004dbf RS |
257 | { |
258 | struct sync_cb_data cb_data; | |
259 | ||
260 | cb_data.is_finished = 0; | |
261 | cb_data.return_data = buffer; | |
262 | ||
263 | if (nfs_pread_async(nfs, nfsfh, offset, count, pread_cb, &cb_data) != 0) { | |
1896d37b | 264 | nfs_set_error(nfs, "nfs_pread_async failed"); |
84004dbf RS |
265 | return -1; |
266 | } | |
267 | ||
b077fdeb | 268 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
269 | |
270 | return cb_data.status; | |
271 | } | |
272 | ||
273 | /* | |
274 | * read() | |
275 | */ | |
e2ba5764 | 276 | int nfs_read(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buffer) |
84004dbf | 277 | { |
e2ba5764 | 278 | return nfs_pread(nfs, nfsfh, nfs_get_current_offset(nfsfh), count, buffer); |
84004dbf RS |
279 | } |
280 | ||
281 | /* | |
282 | * close() | |
283 | */ | |
1896d37b | 284 | static void close_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
285 | { |
286 | struct sync_cb_data *cb_data = private_data; | |
287 | cb_data->is_finished = 1; | |
288 | cb_data->status = status; | |
289 | ||
290 | if (status < 0) { | |
1896d37b | 291 | nfs_set_error(nfs, "close call failed with \"%s\"", (char *)data); |
84004dbf RS |
292 | return; |
293 | } | |
294 | } | |
295 | ||
e2ba5764 | 296 | int nfs_close(struct nfs_context *nfs, struct nfsfh *nfsfh) |
84004dbf RS |
297 | { |
298 | struct sync_cb_data cb_data; | |
299 | ||
300 | cb_data.is_finished = 0; | |
301 | ||
302 | if (nfs_close_async(nfs, nfsfh, close_cb, &cb_data) != 0) { | |
1896d37b | 303 | nfs_set_error(nfs, "nfs_close_async failed"); |
84004dbf RS |
304 | return -1; |
305 | } | |
306 | ||
b077fdeb | 307 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
308 | |
309 | return cb_data.status; | |
310 | } | |
311 | ||
312 | ||
313 | ||
314 | ||
315 | /* | |
316 | * fstat() | |
317 | */ | |
e2ba5764 | 318 | int nfs_fstat(struct nfs_context *nfs, struct nfsfh *nfsfh, struct stat *st) |
84004dbf RS |
319 | { |
320 | struct sync_cb_data cb_data; | |
321 | ||
322 | cb_data.is_finished = 0; | |
323 | cb_data.return_data = st; | |
324 | ||
325 | if (nfs_fstat_async(nfs, nfsfh, stat_cb, &cb_data) != 0) { | |
1896d37b | 326 | nfs_set_error(nfs, "nfs_fstat_async failed"); |
84004dbf RS |
327 | return -1; |
328 | } | |
329 | ||
b077fdeb | 330 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
331 | |
332 | return cb_data.status; | |
333 | } | |
334 | ||
335 | ||
336 | /* | |
337 | * pwrite() | |
338 | */ | |
1896d37b | 339 | static void pwrite_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
340 | { |
341 | struct sync_cb_data *cb_data = private_data; | |
342 | cb_data->is_finished = 1; | |
343 | cb_data->status = status; | |
344 | ||
345 | if (status < 0) { | |
1896d37b | 346 | nfs_set_error(nfs, "pwrite call failed with \"%s\"", (char *)data); |
84004dbf RS |
347 | return; |
348 | } | |
349 | } | |
350 | ||
e2ba5764 | 351 | int nfs_pwrite(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buf) |
84004dbf RS |
352 | { |
353 | struct sync_cb_data cb_data; | |
354 | ||
355 | cb_data.is_finished = 0; | |
356 | ||
357 | if (nfs_pwrite_async(nfs, nfsfh, offset, count, buf, pwrite_cb, &cb_data) != 0) { | |
1896d37b | 358 | nfs_set_error(nfs, "nfs_pwrite_async failed"); |
84004dbf RS |
359 | return -1; |
360 | } | |
361 | ||
b077fdeb | 362 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
363 | |
364 | return cb_data.status; | |
365 | } | |
366 | ||
367 | /* | |
368 | * write() | |
369 | */ | |
e2ba5764 | 370 | int nfs_write(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buf) |
84004dbf | 371 | { |
e2ba5764 | 372 | return nfs_pwrite(nfs, nfsfh, nfs_get_current_offset(nfsfh), count, buf); |
84004dbf RS |
373 | } |
374 | ||
375 | ||
376 | /* | |
377 | * fsync() | |
378 | */ | |
1896d37b | 379 | static void fsync_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
380 | { |
381 | struct sync_cb_data *cb_data = private_data; | |
382 | cb_data->is_finished = 1; | |
383 | cb_data->status = status; | |
384 | ||
385 | if (status < 0) { | |
1896d37b | 386 | nfs_set_error(nfs, "fsync call failed with \"%s\"", (char *)data); |
84004dbf RS |
387 | return; |
388 | } | |
389 | } | |
390 | ||
e2ba5764 | 391 | int nfs_fsync(struct nfs_context *nfs, struct nfsfh *nfsfh) |
84004dbf RS |
392 | { |
393 | struct sync_cb_data cb_data; | |
394 | ||
395 | cb_data.is_finished = 0; | |
396 | ||
397 | if (nfs_fsync_async(nfs, nfsfh, fsync_cb, &cb_data) != 0) { | |
1896d37b | 398 | nfs_set_error(nfs, "nfs_fsync_async failed"); |
84004dbf RS |
399 | return -1; |
400 | } | |
401 | ||
b077fdeb | 402 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
403 | |
404 | return cb_data.status; | |
405 | } | |
406 | ||
407 | ||
408 | ||
409 | ||
410 | /* | |
411 | * ftruncate() | |
412 | */ | |
1896d37b | 413 | static void ftruncate_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
414 | { |
415 | struct sync_cb_data *cb_data = private_data; | |
416 | cb_data->is_finished = 1; | |
417 | cb_data->status = status; | |
418 | ||
419 | if (status < 0) { | |
1896d37b | 420 | nfs_set_error(nfs, "ftruncate call failed with \"%s\"", (char *)data); |
84004dbf RS |
421 | return; |
422 | } | |
423 | } | |
424 | ||
e2ba5764 | 425 | int nfs_ftruncate(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t length) |
84004dbf RS |
426 | { |
427 | struct sync_cb_data cb_data; | |
428 | ||
429 | cb_data.is_finished = 0; | |
430 | ||
431 | if (nfs_ftruncate_async(nfs, nfsfh, length, ftruncate_cb, &cb_data) != 0) { | |
1896d37b | 432 | nfs_set_error(nfs, "nfs_ftruncate_async failed"); |
84004dbf RS |
433 | return -1; |
434 | } | |
435 | ||
b077fdeb | 436 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
437 | |
438 | return cb_data.status; | |
439 | } | |
440 | ||
441 | ||
442 | ||
443 | /* | |
444 | * truncate() | |
445 | */ | |
1896d37b | 446 | static void truncate_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
447 | { |
448 | struct sync_cb_data *cb_data = private_data; | |
449 | cb_data->is_finished = 1; | |
450 | cb_data->status = status; | |
451 | ||
452 | if (status < 0) { | |
1896d37b | 453 | nfs_set_error(nfs, "truncate call failed with \"%s\"", (char *)data); |
84004dbf RS |
454 | return; |
455 | } | |
456 | } | |
457 | ||
e2ba5764 | 458 | int nfs_truncate(struct nfs_context *nfs, const char *path, off_t length) |
84004dbf RS |
459 | { |
460 | struct sync_cb_data cb_data; | |
461 | ||
462 | cb_data.is_finished = 0; | |
463 | ||
464 | if (nfs_truncate_async(nfs, path, length, truncate_cb, &cb_data) != 0) { | |
1896d37b | 465 | nfs_set_error(nfs, "nfs_ftruncate_async failed"); |
84004dbf RS |
466 | return -1; |
467 | } | |
468 | ||
b077fdeb | 469 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
470 | |
471 | return cb_data.status; | |
472 | } | |
473 | ||
474 | ||
475 | ||
476 | ||
477 | ||
478 | /* | |
479 | * mkdir() | |
480 | */ | |
1896d37b | 481 | static void mkdir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
482 | { |
483 | struct sync_cb_data *cb_data = private_data; | |
484 | cb_data->is_finished = 1; | |
485 | cb_data->status = status; | |
486 | ||
487 | if (status < 0) { | |
1896d37b | 488 | nfs_set_error(nfs, "mkdir call failed with \"%s\"", (char *)data); |
84004dbf RS |
489 | return; |
490 | } | |
491 | } | |
492 | ||
e2ba5764 | 493 | int nfs_mkdir(struct nfs_context *nfs, const char *path) |
84004dbf RS |
494 | { |
495 | struct sync_cb_data cb_data; | |
496 | ||
497 | cb_data.is_finished = 0; | |
498 | ||
499 | if (nfs_mkdir_async(nfs, path, mkdir_cb, &cb_data) != 0) { | |
1896d37b | 500 | nfs_set_error(nfs, "nfs_mkdir_async failed"); |
84004dbf RS |
501 | return -1; |
502 | } | |
503 | ||
b077fdeb | 504 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
505 | |
506 | return cb_data.status; | |
507 | } | |
508 | ||
509 | ||
510 | ||
511 | ||
512 | ||
513 | /* | |
514 | * rmdir() | |
515 | */ | |
1896d37b | 516 | static void rmdir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
517 | { |
518 | struct sync_cb_data *cb_data = private_data; | |
519 | cb_data->is_finished = 1; | |
520 | cb_data->status = status; | |
521 | ||
522 | if (status < 0) { | |
1896d37b | 523 | nfs_set_error(nfs, "rmdir call failed with \"%s\"", (char *)data); |
84004dbf RS |
524 | return; |
525 | } | |
526 | } | |
527 | ||
e2ba5764 | 528 | int nfs_rmdir(struct nfs_context *nfs, const char *path) |
84004dbf RS |
529 | { |
530 | struct sync_cb_data cb_data; | |
531 | ||
532 | cb_data.is_finished = 0; | |
533 | ||
534 | if (nfs_rmdir_async(nfs, path, rmdir_cb, &cb_data) != 0) { | |
1896d37b | 535 | nfs_set_error(nfs, "nfs_rmdir_async failed"); |
84004dbf RS |
536 | return -1; |
537 | } | |
538 | ||
b077fdeb | 539 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
540 | |
541 | return cb_data.status; | |
542 | } | |
543 | ||
544 | ||
545 | ||
546 | /* | |
547 | * creat() | |
548 | */ | |
1896d37b | 549 | static void creat_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
550 | { |
551 | struct sync_cb_data *cb_data = private_data; | |
552 | struct nfsfh *fh, **nfsfh; | |
553 | ||
554 | cb_data->is_finished = 1; | |
555 | cb_data->status = status; | |
556 | ||
557 | if (status < 0) { | |
1896d37b | 558 | nfs_set_error(nfs, "creat call failed with \"%s\"", (char *)data); |
84004dbf RS |
559 | return; |
560 | } | |
561 | ||
562 | fh = data; | |
563 | nfsfh = cb_data->return_data; | |
564 | *nfsfh = fh; | |
565 | } | |
566 | ||
e2ba5764 | 567 | int nfs_creat(struct nfs_context *nfs, const char *path, int mode, struct nfsfh **nfsfh) |
84004dbf RS |
568 | { |
569 | struct sync_cb_data cb_data; | |
570 | ||
571 | cb_data.is_finished = 0; | |
572 | cb_data.return_data = nfsfh; | |
573 | ||
574 | if (nfs_creat_async(nfs, path, mode, creat_cb, &cb_data) != 0) { | |
1896d37b | 575 | nfs_set_error(nfs, "nfs_creat_async failed"); |
84004dbf RS |
576 | return -1; |
577 | } | |
578 | ||
b077fdeb | 579 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
580 | |
581 | return cb_data.status; | |
582 | } | |
583 | ||
584 | ||
585 | ||
586 | ||
587 | /* | |
588 | * unlink() | |
589 | */ | |
1896d37b | 590 | static void unlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
591 | { |
592 | struct sync_cb_data *cb_data = private_data; | |
593 | ||
594 | cb_data->is_finished = 1; | |
595 | cb_data->status = status; | |
596 | ||
597 | if (status < 0) { | |
1896d37b | 598 | nfs_set_error(nfs, "unlink call failed with \"%s\"", (char *)data); |
84004dbf RS |
599 | return; |
600 | } | |
601 | } | |
602 | ||
e2ba5764 | 603 | int nfs_unlink(struct nfs_context *nfs, const char *path) |
84004dbf RS |
604 | { |
605 | struct sync_cb_data cb_data; | |
606 | ||
607 | cb_data.is_finished = 0; | |
608 | ||
609 | if (nfs_unlink_async(nfs, path, unlink_cb, &cb_data) != 0) { | |
1896d37b | 610 | nfs_set_error(nfs, "nfs_unlink_async failed"); |
84004dbf RS |
611 | return -1; |
612 | } | |
613 | ||
b077fdeb | 614 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
615 | |
616 | return cb_data.status; | |
617 | } | |
618 | ||
619 | ||
620 | ||
621 | /* | |
622 | * opendir() | |
623 | */ | |
1896d37b | 624 | static void opendir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
625 | { |
626 | struct sync_cb_data *cb_data = private_data; | |
627 | struct nfsdir *dir, **nfsdir; | |
628 | ||
629 | cb_data->is_finished = 1; | |
630 | cb_data->status = status; | |
631 | ||
632 | if (status < 0) { | |
1896d37b | 633 | nfs_set_error(nfs, "opendir call failed with \"%s\"", (char *)data); |
84004dbf RS |
634 | return; |
635 | } | |
636 | ||
637 | dir = data; | |
638 | nfsdir = cb_data->return_data; | |
639 | *nfsdir = dir; | |
640 | } | |
641 | ||
e2ba5764 | 642 | int nfs_opendir(struct nfs_context *nfs, const char *path, struct nfsdir **nfsdir) |
84004dbf RS |
643 | { |
644 | struct sync_cb_data cb_data; | |
645 | ||
646 | cb_data.is_finished = 0; | |
647 | cb_data.return_data = nfsdir; | |
648 | ||
649 | if (nfs_opendir_async(nfs, path, opendir_cb, &cb_data) != 0) { | |
1896d37b | 650 | nfs_set_error(nfs, "nfs_opendir_async failed"); |
84004dbf RS |
651 | return -1; |
652 | } | |
653 | ||
b077fdeb | 654 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
655 | |
656 | return cb_data.status; | |
657 | } | |
658 | ||
659 | ||
660 | /* | |
661 | * lseek() | |
662 | */ | |
1896d37b | 663 | static void lseek_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
664 | { |
665 | struct sync_cb_data *cb_data = private_data; | |
666 | ||
667 | cb_data->is_finished = 1; | |
668 | cb_data->status = status; | |
669 | ||
670 | if (status < 0) { | |
1896d37b | 671 | nfs_set_error(nfs, "lseek call failed with \"%s\"", (char *)data); |
84004dbf RS |
672 | return; |
673 | } | |
674 | ||
675 | if (cb_data->return_data != NULL) { | |
676 | memcpy(cb_data->return_data, data, sizeof(off_t)); | |
677 | } | |
678 | } | |
679 | ||
e2ba5764 | 680 | int nfs_lseek(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, int whence, off_t *current_offset) |
84004dbf RS |
681 | { |
682 | struct sync_cb_data cb_data; | |
683 | ||
684 | cb_data.is_finished = 0; | |
685 | cb_data.return_data = current_offset; | |
686 | ||
687 | if (nfs_lseek_async(nfs, nfsfh, offset, whence, lseek_cb, &cb_data) != 0) { | |
1896d37b | 688 | nfs_set_error(nfs, "nfs_lseek_async failed"); |
84004dbf RS |
689 | return -1; |
690 | } | |
691 | ||
b077fdeb | 692 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
693 | |
694 | return cb_data.status; | |
695 | } | |
696 | ||
697 | ||
698 | ||
699 | /* | |
700 | * statvfs() | |
701 | */ | |
1896d37b | 702 | static void statvfs_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
703 | { |
704 | struct sync_cb_data *cb_data = private_data; | |
705 | ||
706 | cb_data->is_finished = 1; | |
707 | cb_data->status = status; | |
708 | ||
709 | if (status < 0) { | |
1896d37b | 710 | nfs_set_error(nfs, "statvfs call failed with \"%s\"", (char *)data); |
84004dbf RS |
711 | return; |
712 | } | |
713 | ||
714 | memcpy(cb_data->return_data, data, sizeof(struct statvfs)); | |
715 | } | |
716 | ||
e2ba5764 | 717 | int nfs_statvfs(struct nfs_context *nfs, const char *path, struct statvfs *svfs) |
84004dbf RS |
718 | { |
719 | struct sync_cb_data cb_data; | |
720 | ||
721 | cb_data.is_finished = 0; | |
722 | cb_data.return_data = svfs; | |
723 | ||
724 | if (nfs_statvfs_async(nfs, path, statvfs_cb, &cb_data) != 0) { | |
1896d37b | 725 | nfs_set_error(nfs, "nfs_statvfs_async failed"); |
84004dbf RS |
726 | return -1; |
727 | } | |
728 | ||
b077fdeb | 729 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
730 | |
731 | return cb_data.status; | |
732 | } | |
733 | ||
734 | ||
735 | ||
736 | ||
737 | ||
738 | /* | |
739 | * readlink() | |
740 | */ | |
1896d37b | 741 | static void readlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
742 | { |
743 | struct sync_cb_data *cb_data = private_data; | |
744 | ||
745 | cb_data->is_finished = 1; | |
746 | cb_data->status = status; | |
747 | ||
748 | if (status < 0) { | |
1896d37b | 749 | nfs_set_error(nfs, "readlink call failed with \"%s\"", (char *)data); |
84004dbf RS |
750 | return; |
751 | } | |
752 | ||
753 | if (strlen(data) > (size_t)cb_data->return_int) { | |
1896d37b | 754 | nfs_set_error(nfs, "Too small buffer for readlink"); |
84004dbf RS |
755 | cb_data->status = -ENAMETOOLONG; |
756 | return; | |
757 | } | |
758 | ||
759 | memcpy(cb_data->return_data, data, strlen(data)+1); | |
760 | } | |
761 | ||
e2ba5764 | 762 | int nfs_readlink(struct nfs_context *nfs, const char *path, char *buf, int bufsize) |
84004dbf RS |
763 | { |
764 | struct sync_cb_data cb_data; | |
765 | ||
766 | cb_data.is_finished = 0; | |
767 | cb_data.return_data = buf; | |
768 | cb_data.return_int = bufsize; | |
769 | ||
770 | if (nfs_readlink_async(nfs, path, readlink_cb, &cb_data) != 0) { | |
1896d37b | 771 | nfs_set_error(nfs, "nfs_readlink_async failed"); |
84004dbf RS |
772 | return -1; |
773 | } | |
774 | ||
b077fdeb | 775 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
776 | |
777 | return cb_data.status; | |
778 | } | |
779 | ||
780 | ||
781 | ||
782 | /* | |
783 | * chmod() | |
784 | */ | |
1896d37b | 785 | static void chmod_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
786 | { |
787 | struct sync_cb_data *cb_data = private_data; | |
788 | ||
789 | cb_data->is_finished = 1; | |
790 | cb_data->status = status; | |
791 | ||
792 | if (status < 0) { | |
1896d37b | 793 | nfs_set_error(nfs, "chmod call failed with \"%s\"", (char *)data); |
84004dbf RS |
794 | return; |
795 | } | |
796 | } | |
797 | ||
e2ba5764 | 798 | int nfs_chmod(struct nfs_context *nfs, const char *path, int mode) |
84004dbf RS |
799 | { |
800 | struct sync_cb_data cb_data; | |
801 | ||
802 | cb_data.is_finished = 0; | |
803 | ||
804 | if (nfs_chmod_async(nfs, path, mode, chmod_cb, &cb_data) != 0) { | |
1896d37b | 805 | nfs_set_error(nfs, "nfs_chmod_async failed"); |
84004dbf RS |
806 | return -1; |
807 | } | |
808 | ||
b077fdeb | 809 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
810 | |
811 | return cb_data.status; | |
812 | } | |
813 | ||
814 | ||
815 | ||
816 | ||
817 | /* | |
818 | * fchmod() | |
819 | */ | |
1896d37b | 820 | static void fchmod_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
821 | { |
822 | struct sync_cb_data *cb_data = private_data; | |
823 | ||
824 | cb_data->is_finished = 1; | |
825 | cb_data->status = status; | |
826 | ||
827 | if (status < 0) { | |
1896d37b | 828 | nfs_set_error(nfs, "fchmod call failed with \"%s\"", (char *)data); |
84004dbf RS |
829 | return; |
830 | } | |
831 | } | |
832 | ||
e2ba5764 | 833 | int nfs_fchmod(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode) |
84004dbf RS |
834 | { |
835 | struct sync_cb_data cb_data; | |
836 | ||
837 | cb_data.is_finished = 0; | |
838 | ||
839 | if (nfs_fchmod_async(nfs, nfsfh, mode, fchmod_cb, &cb_data) != 0) { | |
1896d37b | 840 | nfs_set_error(nfs, "nfs_fchmod_async failed"); |
84004dbf RS |
841 | return -1; |
842 | } | |
843 | ||
b077fdeb | 844 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
845 | |
846 | return cb_data.status; | |
847 | } | |
848 | ||
849 | ||
850 | ||
851 | ||
852 | /* | |
853 | * chown() | |
854 | */ | |
1896d37b | 855 | static void chown_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
856 | { |
857 | struct sync_cb_data *cb_data = private_data; | |
858 | ||
859 | cb_data->is_finished = 1; | |
860 | cb_data->status = status; | |
861 | ||
862 | if (status < 0) { | |
1896d37b | 863 | nfs_set_error(nfs, "chown call failed with \"%s\"", (char *)data); |
84004dbf RS |
864 | return; |
865 | } | |
866 | } | |
867 | ||
e2ba5764 | 868 | int nfs_chown(struct nfs_context *nfs, const char *path, int uid, int gid) |
84004dbf RS |
869 | { |
870 | struct sync_cb_data cb_data; | |
871 | ||
872 | cb_data.is_finished = 0; | |
873 | ||
874 | if (nfs_chown_async(nfs, path, uid, gid, chown_cb, &cb_data) != 0) { | |
1896d37b | 875 | nfs_set_error(nfs, "nfs_chown_async failed"); |
84004dbf RS |
876 | return -1; |
877 | } | |
878 | ||
b077fdeb | 879 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
880 | |
881 | return cb_data.status; | |
882 | } | |
883 | ||
884 | /* | |
885 | * fchown() | |
886 | */ | |
1896d37b | 887 | static void fchown_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
888 | { |
889 | struct sync_cb_data *cb_data = private_data; | |
890 | ||
891 | cb_data->is_finished = 1; | |
892 | cb_data->status = status; | |
893 | ||
894 | if (status < 0) { | |
1896d37b | 895 | nfs_set_error(nfs, "fchown call failed with \"%s\"", (char *)data); |
84004dbf RS |
896 | return; |
897 | } | |
898 | } | |
899 | ||
e2ba5764 | 900 | int nfs_fchown(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid) |
84004dbf RS |
901 | { |
902 | struct sync_cb_data cb_data; | |
903 | ||
904 | cb_data.is_finished = 0; | |
905 | ||
906 | if (nfs_fchown_async(nfs, nfsfh, uid, gid, fchown_cb, &cb_data) != 0) { | |
1896d37b | 907 | nfs_set_error(nfs, "nfs_fchown_async failed"); |
84004dbf RS |
908 | return -1; |
909 | } | |
910 | ||
b077fdeb | 911 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
912 | |
913 | return cb_data.status; | |
914 | } | |
915 | ||
916 | ||
917 | ||
918 | /* | |
919 | * utimes() | |
920 | */ | |
1896d37b | 921 | static void utimes_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
922 | { |
923 | struct sync_cb_data *cb_data = private_data; | |
924 | ||
925 | cb_data->is_finished = 1; | |
926 | cb_data->status = status; | |
927 | ||
928 | if (status < 0) { | |
1896d37b | 929 | nfs_set_error(nfs, "utimes call failed with \"%s\"", (char *)data); |
84004dbf RS |
930 | return; |
931 | } | |
932 | } | |
933 | ||
e2ba5764 | 934 | int nfs_utimes(struct nfs_context *nfs, const char *path, struct timeval *times) |
84004dbf RS |
935 | { |
936 | struct sync_cb_data cb_data; | |
937 | ||
938 | cb_data.is_finished = 0; | |
939 | ||
940 | if (nfs_utimes_async(nfs, path, times, utimes_cb, &cb_data) != 0) { | |
1896d37b | 941 | nfs_set_error(nfs, "nfs_utimes_async failed"); |
84004dbf RS |
942 | return -1; |
943 | } | |
944 | ||
b077fdeb | 945 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
946 | |
947 | return cb_data.status; | |
948 | } | |
949 | ||
950 | ||
951 | ||
952 | /* | |
953 | * utime() | |
954 | */ | |
1896d37b | 955 | static void utime_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
956 | { |
957 | struct sync_cb_data *cb_data = private_data; | |
958 | ||
959 | cb_data->is_finished = 1; | |
960 | cb_data->status = status; | |
961 | ||
962 | if (status < 0) { | |
1896d37b | 963 | nfs_set_error(nfs, "utime call failed with \"%s\"", (char *)data); |
84004dbf RS |
964 | return; |
965 | } | |
966 | } | |
967 | ||
e2ba5764 | 968 | int nfs_utime(struct nfs_context *nfs, const char *path, struct utimbuf *times) |
84004dbf RS |
969 | { |
970 | struct sync_cb_data cb_data; | |
971 | ||
972 | cb_data.is_finished = 0; | |
973 | ||
974 | if (nfs_utime_async(nfs, path, times, utime_cb, &cb_data) != 0) { | |
1896d37b | 975 | nfs_set_error(nfs, "nfs_utimes_async failed"); |
84004dbf RS |
976 | return -1; |
977 | } | |
978 | ||
b077fdeb | 979 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
980 | |
981 | return cb_data.status; | |
982 | } | |
983 | ||
984 | ||
985 | ||
986 | ||
987 | /* | |
988 | * access() | |
989 | */ | |
1896d37b | 990 | static void access_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
991 | { |
992 | struct sync_cb_data *cb_data = private_data; | |
993 | ||
994 | cb_data->is_finished = 1; | |
995 | cb_data->status = status; | |
996 | ||
997 | if (status < 0) { | |
1896d37b | 998 | nfs_set_error(nfs, "access call failed with \"%s\"", (char *)data); |
84004dbf RS |
999 | return; |
1000 | } | |
1001 | } | |
1002 | ||
e2ba5764 | 1003 | int nfs_access(struct nfs_context *nfs, const char *path, int mode) |
84004dbf RS |
1004 | { |
1005 | struct sync_cb_data cb_data; | |
1006 | ||
1007 | cb_data.is_finished = 0; | |
1008 | ||
1009 | if (nfs_access_async(nfs, path, mode, access_cb, &cb_data) != 0) { | |
1896d37b | 1010 | nfs_set_error(nfs, "nfs_access_async failed"); |
84004dbf RS |
1011 | return -1; |
1012 | } | |
1013 | ||
b077fdeb | 1014 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
1015 | |
1016 | return cb_data.status; | |
1017 | } | |
1018 | ||
1019 | ||
1020 | ||
1021 | /* | |
1022 | * symlink() | |
1023 | */ | |
1896d37b | 1024 | static void symlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
1025 | { |
1026 | struct sync_cb_data *cb_data = private_data; | |
1027 | ||
1028 | cb_data->is_finished = 1; | |
1029 | cb_data->status = status; | |
1030 | ||
1031 | if (status < 0) { | |
1896d37b | 1032 | nfs_set_error(nfs, "symlink call failed with \"%s\"", (char *)data); |
84004dbf RS |
1033 | return; |
1034 | } | |
1035 | } | |
1036 | ||
e2ba5764 | 1037 | int nfs_symlink(struct nfs_context *nfs, const char *oldpath, const char *newpath) |
84004dbf RS |
1038 | { |
1039 | struct sync_cb_data cb_data; | |
1040 | ||
1041 | cb_data.is_finished = 0; | |
1042 | ||
1043 | if (nfs_symlink_async(nfs, oldpath, newpath, symlink_cb, &cb_data) != 0) { | |
1896d37b | 1044 | nfs_set_error(nfs, "nfs_symlink_async failed"); |
84004dbf RS |
1045 | return -1; |
1046 | } | |
1047 | ||
b077fdeb | 1048 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
1049 | |
1050 | return cb_data.status; | |
1051 | } | |
1052 | ||
1053 | ||
1054 | ||
1055 | /* | |
1056 | * rename() | |
1057 | */ | |
1896d37b | 1058 | static void rename_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
1059 | { |
1060 | struct sync_cb_data *cb_data = private_data; | |
1061 | ||
1062 | cb_data->is_finished = 1; | |
1063 | cb_data->status = status; | |
1064 | ||
1065 | if (status < 0) { | |
1896d37b | 1066 | nfs_set_error(nfs, "rename call failed with \"%s\"", (char *)data); |
84004dbf RS |
1067 | return; |
1068 | } | |
1069 | } | |
1070 | ||
e2ba5764 | 1071 | int nfs_rename(struct nfs_context *nfs, const char *oldpath, const char *newpath) |
84004dbf RS |
1072 | { |
1073 | struct sync_cb_data cb_data; | |
1074 | ||
1075 | cb_data.is_finished = 0; | |
1076 | ||
1077 | if (nfs_rename_async(nfs, oldpath, newpath, rename_cb, &cb_data) != 0) { | |
1896d37b | 1078 | nfs_set_error(nfs, "nfs_rename_async failed"); |
84004dbf RS |
1079 | return -1; |
1080 | } | |
1081 | ||
b077fdeb | 1082 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
1083 | |
1084 | return cb_data.status; | |
1085 | } | |
1086 | ||
1087 | ||
1088 | ||
1089 | /* | |
1090 | * link() | |
1091 | */ | |
1896d37b | 1092 | static void link_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
84004dbf RS |
1093 | { |
1094 | struct sync_cb_data *cb_data = private_data; | |
1095 | ||
1096 | cb_data->is_finished = 1; | |
1097 | cb_data->status = status; | |
1098 | ||
1099 | if (status < 0) { | |
1896d37b | 1100 | nfs_set_error(nfs, "link call failed with \"%s\"", (char *)data); |
84004dbf RS |
1101 | return; |
1102 | } | |
1103 | } | |
1104 | ||
e2ba5764 | 1105 | int nfs_link(struct nfs_context *nfs, const char *oldpath, const char *newpath) |
84004dbf RS |
1106 | { |
1107 | struct sync_cb_data cb_data; | |
1108 | ||
1109 | cb_data.is_finished = 0; | |
1110 | ||
1111 | if (nfs_link_async(nfs, oldpath, newpath, link_cb, &cb_data) != 0) { | |
1896d37b | 1112 | nfs_set_error(nfs, "nfs_link_async failed"); |
84004dbf RS |
1113 | return -1; |
1114 | } | |
1115 | ||
b077fdeb | 1116 | wait_for_nfs_reply(nfs, &cb_data); |
84004dbf RS |
1117 | |
1118 | return cb_data.status; | |
1119 | } | |
df5af25f | 1120 | |
739df145 | 1121 | void mount_getexports_cb(struct rpc_context *mount_context, int status, void *data, void *private_data) |
df5af25f RS |
1122 | { |
1123 | struct sync_cb_data *cb_data = private_data; | |
1124 | exports export = *(exports *)data; | |
1125 | ||
df5af25f RS |
1126 | cb_data->is_finished = 1; |
1127 | cb_data->status = status; | |
1128 | cb_data->return_data = NULL; | |
1129 | ||
739df145 RS |
1130 | if (status != 0) { |
1131 | rpc_set_error(mount_context, "mount/export call failed with \"%s\"", (char *)data); | |
1132 | return; | |
1133 | } | |
1134 | ||
df5af25f RS |
1135 | while (export != NULL) { |
1136 | exports new_export; | |
1137 | ||
1138 | new_export = malloc(sizeof(*new_export)); | |
1139 | memset(new_export, 0, sizeof(*new_export)); | |
1140 | new_export->ex_dir = strdup(export->ex_dir); | |
1141 | new_export->ex_next = cb_data->return_data; | |
1142 | ||
1143 | cb_data->return_data = new_export; | |
1144 | ||
1145 | export = export->ex_next; | |
1146 | } | |
1147 | } | |
1148 | ||
e210bd2a | 1149 | struct exportnode *mount_getexports(const char *server) |
df5af25f RS |
1150 | { |
1151 | struct sync_cb_data cb_data; | |
e210bd2a RS |
1152 | struct rpc_context *rpc; |
1153 | ||
df5af25f RS |
1154 | |
1155 | cb_data.is_finished = 0; | |
1156 | cb_data.return_data = NULL; | |
1157 | ||
e210bd2a | 1158 | rpc = rpc_init_context(); |
df5af25f | 1159 | if (mount_getexports_async(rpc, server, mount_getexports_cb, &cb_data) != 0) { |
e210bd2a | 1160 | rpc_destroy_context(rpc); |
df5af25f RS |
1161 | return NULL; |
1162 | } | |
1163 | ||
1164 | wait_for_reply(rpc, &cb_data); | |
e210bd2a | 1165 | rpc_destroy_context(rpc); |
df5af25f RS |
1166 | |
1167 | return cb_data.return_data; | |
1168 | } | |
1169 | ||
1170 | void mount_free_export_list(struct exportnode *exports) | |
1171 | { | |
1172 | struct exportnode *tmp; | |
1173 | ||
1174 | while ((tmp = exports)) { | |
1175 | exports = exports->ex_next; | |
1176 | free(tmp->ex_dir); | |
1177 | free(tmp); | |
1178 | } | |
1179 | } | |
1180 | ||
552c7665 RS |
1181 | |
1182 | ||
eecdc4f3 | 1183 | #if !defined(WIN32) |
552c7665 RS |
1184 | void free_nfs_srvr_list(struct nfs_server_list *srv) |
1185 | { | |
1186 | while (srv != NULL) { | |
1187 | struct nfs_server_list *next = srv->next; | |
1188 | ||
1189 | free(srv->addr); | |
1190 | free(srv); | |
1191 | srv = next; | |
1192 | } | |
1193 | } | |
1194 | ||
1195 | struct nfs_list_data { | |
1196 | int status; | |
1197 | struct nfs_server_list *srvrs; | |
1198 | }; | |
1199 | ||
1200 | void callit_cb(struct rpc_context *rpc, int status, void *data _U_, void *private_data) | |
1201 | { | |
1202 | struct nfs_list_data *srv_data = private_data; | |
1203 | struct sockaddr *sin; | |
1204 | char hostdd[16]; | |
1205 | struct nfs_server_list *srvr; | |
1206 | ||
1207 | if (status == RPC_STATUS_CANCEL) { | |
1208 | return; | |
1209 | } | |
1210 | if (status != 0) { | |
1211 | srv_data->status = -1; | |
1212 | return; | |
1213 | } | |
1214 | ||
1215 | sin = rpc_get_recv_sockaddr(rpc); | |
1216 | if (sin == NULL) { | |
1217 | rpc_set_error(rpc, "failed to get sockaddr in CALLIT callback"); | |
1218 | srv_data->status = -1; | |
1219 | return; | |
1220 | } | |
1221 | ||
1222 | if (getnameinfo(sin, sizeof(struct sockaddr_in), &hostdd[0], sizeof(hostdd), NULL, 0, NI_NUMERICHOST) < 0) { | |
1223 | rpc_set_error(rpc, "getnameinfo failed in CALLIT callback"); | |
1224 | srv_data->status = -1; | |
1225 | return; | |
1226 | } | |
552c7665 | 1227 | |
8c27363e RS |
1228 | /* check for dupes */ |
1229 | for (srvr = srv_data->srvrs; srvr; srvr = srvr->next) { | |
1230 | if (!strcmp(hostdd, srvr->addr)) { | |
b3740e09 | 1231 | return; |
8c27363e RS |
1232 | } |
1233 | } | |
1234 | ||
552c7665 RS |
1235 | srvr = malloc(sizeof(struct nfs_server_list)); |
1236 | if (srvr == NULL) { | |
1237 | rpc_set_error(rpc, "Malloc failed when allocating server structure"); | |
1238 | srv_data->status = -1; | |
1239 | return; | |
1240 | } | |
1241 | ||
1242 | srvr->addr = strdup(hostdd); | |
1243 | if (srvr->addr == NULL) { | |
1244 | rpc_set_error(rpc, "Strdup failed when allocating server structure"); | |
1245 | free(srvr); | |
1246 | srv_data->status = -1; | |
1247 | return; | |
1248 | } | |
1249 | ||
1250 | srvr->next = srv_data->srvrs; | |
1251 | srv_data->srvrs = srvr; | |
1252 | } | |
1253 | ||
e5964ef9 | 1254 | static int send_nfsd_probes(struct rpc_context *rpc, struct ifconf *ifc, struct nfs_list_data *data) |
552c7665 | 1255 | { |
1be803ce | 1256 | char *ptr; |
552c7665 | 1257 | |
e5964ef9 | 1258 | for (ptr =(char *)(ifc->ifc_buf); ptr < (char *)(ifc->ifc_buf) + ifc->ifc_len; ) { |
1be803ce | 1259 | struct ifreq *ifr; |
552c7665 RS |
1260 | char bcdd[16]; |
1261 | ||
1be803ce | 1262 | ifr = (struct ifreq *)ptr; |
9a96dd46 | 1263 | #ifdef HAVE_SOCKADDR_LEN |
1be803ce RS |
1264 | if (ifr->ifr_addr.sa_len > sizeof(struct sockaddr)) { |
1265 | ptr += sizeof(ifr->ifr_name) + ifr->ifr_addr.sa_len; | |
1266 | } else { | |
1267 | ptr += sizeof(ifr->ifr_name) + sizeof(struct sockaddr); | |
1268 | } | |
1269 | #else | |
1270 | ptr += sizeof(struct ifreq); | |
1271 | #endif | |
1272 | ||
1273 | if (ifr->ifr_addr.sa_family != AF_INET) { | |
552c7665 RS |
1274 | continue; |
1275 | } | |
1be803ce | 1276 | if (ioctl(rpc_get_fd(rpc), SIOCGIFFLAGS, ifr) < 0) { |
e5964ef9 | 1277 | return -1; |
552c7665 | 1278 | } |
1be803ce | 1279 | if (!(ifr->ifr_flags & IFF_UP)) { |
552c7665 RS |
1280 | continue; |
1281 | } | |
1be803ce | 1282 | if (ifr->ifr_flags & IFF_LOOPBACK) { |
552c7665 RS |
1283 | continue; |
1284 | } | |
1be803ce | 1285 | if (!(ifr->ifr_flags & IFF_BROADCAST)) { |
552c7665 RS |
1286 | continue; |
1287 | } | |
1be803ce | 1288 | if (ioctl(rpc_get_fd(rpc), SIOCGIFBRDADDR, ifr) < 0) { |
1ad6f931 | 1289 | continue; |
552c7665 | 1290 | } |
1be803ce | 1291 | if (getnameinfo(&ifr->ifr_broadaddr, sizeof(struct sockaddr_in), &bcdd[0], sizeof(bcdd), NULL, 0, NI_NUMERICHOST) < 0) { |
1ad6f931 | 1292 | continue; |
552c7665 RS |
1293 | } |
1294 | if (rpc_set_udp_destination(rpc, bcdd, 111, 1) < 0) { | |
e5964ef9 RS |
1295 | return -1; |
1296 | } | |
1297 | ||
1298 | if (rpc_pmap_callit_async(rpc, MOUNT_PROGRAM, 2, 0, NULL, 0, callit_cb, data) < 0) { | |
1299 | return -1; | |
552c7665 | 1300 | } |
e5964ef9 RS |
1301 | } |
1302 | ||
1303 | return 0; | |
1304 | } | |
1305 | ||
1306 | struct nfs_server_list *nfs_find_local_servers(void) | |
1307 | { | |
1308 | struct rpc_context *rpc; | |
1309 | struct nfs_list_data data = {0, NULL}; | |
1310 | struct timeval tv_start, tv_current; | |
1311 | struct ifconf ifc; | |
8c27363e | 1312 | int size, loop; |
e5964ef9 RS |
1313 | struct pollfd pfd; |
1314 | ||
1315 | rpc = rpc_init_udp_context(); | |
1316 | if (rpc == NULL) { | |
1317 | return NULL; | |
1318 | } | |
1319 | ||
1320 | if (rpc_bind_udp(rpc, "0.0.0.0", 0) < 0) { | |
1321 | rpc_destroy_context(rpc); | |
1322 | return NULL; | |
1323 | } | |
1324 | ||
552c7665 | 1325 | |
e5964ef9 RS |
1326 | /* get list of all interfaces */ |
1327 | size = sizeof(struct ifreq); | |
1328 | ifc.ifc_buf = NULL; | |
1329 | ifc.ifc_len = size; | |
1330 | ||
1331 | while(ifc.ifc_len > (size - sizeof(struct ifreq))) { | |
1332 | size *= 2; | |
1333 | ||
1334 | free(ifc.ifc_buf); | |
1335 | ifc.ifc_len = size; | |
1336 | ifc.ifc_buf = malloc(size); | |
1337 | memset(ifc.ifc_buf, 0, size); | |
1338 | if (ioctl(rpc_get_fd(rpc), SIOCGIFCONF, (caddr_t)&ifc) < 0) { | |
552c7665 RS |
1339 | rpc_destroy_context(rpc); |
1340 | free(ifc.ifc_buf); | |
1341 | return NULL; | |
1342 | } | |
e5964ef9 RS |
1343 | } |
1344 | ||
8c27363e RS |
1345 | for (loop=0; loop<3; loop++) { |
1346 | if (send_nfsd_probes(rpc, &ifc, &data) != 0) { | |
552c7665 | 1347 | rpc_destroy_context(rpc); |
8c27363e | 1348 | free(ifc.ifc_buf); |
552c7665 RS |
1349 | return NULL; |
1350 | } | |
8c27363e RS |
1351 | |
1352 | gettimeofday(&tv_start, NULL); | |
1353 | for(;;) { | |
1354 | int mpt; | |
1355 | ||
1356 | pfd.fd = rpc_get_fd(rpc); | |
1357 | pfd.events = rpc_which_events(rpc); | |
1358 | ||
1359 | gettimeofday(&tv_current, NULL); | |
1360 | mpt = 1000 | |
1361 | - (tv_current.tv_sec *1000 + tv_current.tv_usec / 1000) | |
1362 | + (tv_start.tv_sec *1000 + tv_start.tv_usec / 1000); | |
1363 | ||
1364 | if (poll(&pfd, 1, mpt) < 0) { | |
1365 | free_nfs_srvr_list(data.srvrs); | |
1366 | rpc_destroy_context(rpc); | |
1367 | return NULL; | |
1368 | } | |
1369 | if (pfd.revents == 0) { | |
1370 | break; | |
1371 | } | |
552c7665 | 1372 | |
8c27363e RS |
1373 | if (rpc_service(rpc, pfd.revents) < 0) { |
1374 | break; | |
1375 | } | |
552c7665 RS |
1376 | } |
1377 | } | |
1378 | ||
e5964ef9 | 1379 | free(ifc.ifc_buf); |
552c7665 RS |
1380 | rpc_destroy_context(rpc); |
1381 | ||
1382 | if (data.status != 0) { | |
1383 | free_nfs_srvr_list(data.srvrs); | |
1384 | return NULL; | |
1385 | } | |
1386 | ||
1387 | return data.srvrs; | |
1388 | } | |
eecdc4f3 | 1389 | #endif |