Commit | Line | Data |
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dabf4152 AM |
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 | */ | |
ee872606 RRS |
20 | #ifdef HAVE_CONFIG_H |
21 | #include "config.h" | |
22 | #endif | |
23 | ||
24 | #ifdef AROS | |
25 | #include "aros_compat.h" | |
26 | #endif | |
27 | ||
5670ec6e AM |
28 | #ifdef WIN32 |
29 | #include "win32_compat.h" | |
ee872606 RRS |
30 | #endif |
31 | ||
32 | #ifdef HAVE_UTIME_H | |
5670ec6e | 33 | #include <utime.h> |
ee872606 RRS |
34 | #endif |
35 | ||
36 | #ifdef ANDROID | |
37 | #define statvfs statfs | |
38 | #endif | |
dabf4152 AM |
39 | |
40 | #define _GNU_SOURCE | |
5670ec6e | 41 | |
ee872606 RRS |
42 | #ifdef HAVE_UNISTD_H |
43 | #include <unistd.h> | |
44 | #endif | |
45 | ||
46 | #ifdef HAVE_SYS_VFS_H | |
47 | #include <sys/vfs.h> | |
48 | #endif | |
49 | ||
50 | #ifdef HAVE_SYS_STATVFS_H | |
51 | #include <sys/statvfs.h> | |
52 | #endif | |
53 | ||
54 | #ifdef HAVE_NETINET_IN_H | |
55 | #include <netinet/in.h> | |
56 | #endif | |
57 | ||
58 | #ifdef HAVE_STRINGS_H | |
59 | #include <strings.h> | |
60 | #endif | |
61 | ||
dabf4152 AM |
62 | #include <stdio.h> |
63 | #include <stdarg.h> | |
64 | #include <stdlib.h> | |
65 | #include <string.h> | |
ee872606 | 66 | #include <assert.h> |
dabf4152 AM |
67 | #include <errno.h> |
68 | #include <sys/types.h> | |
69 | #include <sys/stat.h> | |
dabf4152 | 70 | #include <fcntl.h> |
ee872606 | 71 | #include "libnfs-zdr.h" |
f1f22dbf | 72 | #include "slist.h" |
dabf4152 AM |
73 | #include "libnfs.h" |
74 | #include "libnfs-raw.h" | |
75 | #include "libnfs-raw-mount.h" | |
76 | #include "libnfs-raw-nfs.h" | |
f1f22dbf | 77 | #include "libnfs-raw-portmap.h" |
dabf4152 AM |
78 | #include "libnfs-private.h" |
79 | ||
f1f22dbf RRS |
80 | #define MAX_DIR_CACHE 128 |
81 | ||
dabf4152 | 82 | struct nfsdir { |
f1f22dbf RRS |
83 | struct nfs_fh3 fh; |
84 | fattr3 attr; | |
85 | struct nfsdir *next; | |
86 | ||
dabf4152 AM |
87 | struct nfsdirent *entries; |
88 | struct nfsdirent *current; | |
89 | }; | |
90 | ||
f1f22dbf RRS |
91 | struct nfs_readahead { |
92 | uint64_t fh_offset; | |
93 | uint64_t last_offset; | |
94 | uint64_t buf_offset; | |
95 | uint64_t buf_count; | |
96 | time_t buf_ts; | |
97 | void *buf; | |
98 | uint32_t cur_ra; | |
99 | }; | |
100 | ||
dabf4152 AM |
101 | struct nfsfh { |
102 | struct nfs_fh3 fh; | |
103 | int is_sync; | |
f1f22dbf | 104 | int is_append; |
5670ec6e | 105 | uint64_t offset; |
f1f22dbf | 106 | struct nfs_readahead ra; |
dabf4152 AM |
107 | }; |
108 | ||
109 | struct nfs_context { | |
110 | struct rpc_context *rpc; | |
111 | char *server; | |
112 | char *export; | |
113 | struct nfs_fh3 rootfh; | |
5670ec6e AM |
114 | uint64_t readmax; |
115 | uint64_t writemax; | |
ee872606 | 116 | char *cwd; |
f1f22dbf | 117 | struct nfsdir *dircache; |
dabf4152 AM |
118 | }; |
119 | ||
120 | void nfs_free_nfsdir(struct nfsdir *nfsdir) | |
121 | { | |
122 | while (nfsdir->entries) { | |
123 | struct nfsdirent *dirent = nfsdir->entries->next; | |
124 | if (nfsdir->entries->name != NULL) { | |
125 | free(nfsdir->entries->name); | |
126 | } | |
127 | free(nfsdir->entries); | |
128 | nfsdir->entries = dirent; | |
129 | } | |
f1f22dbf | 130 | free(nfsdir->fh.data.data_val); |
dabf4152 AM |
131 | free(nfsdir); |
132 | } | |
133 | ||
f1f22dbf RRS |
134 | static void nfs_dircache_add(struct nfs_context *nfs, struct nfsdir *nfsdir) |
135 | { | |
136 | int i; | |
137 | LIBNFS_LIST_ADD(&nfs->dircache, nfsdir); | |
138 | ||
139 | for (nfsdir = nfs->dircache, i = 0; nfsdir; nfsdir = nfsdir->next, i++) { | |
140 | if (i > MAX_DIR_CACHE) { | |
141 | LIBNFS_LIST_REMOVE(&nfs->dircache, nfsdir); | |
142 | nfs_free_nfsdir(nfsdir); | |
143 | break; | |
144 | } | |
145 | } | |
146 | } | |
147 | ||
148 | static struct nfsdir *nfs_dircache_find(struct nfs_context *nfs, struct nfs_fh3 *fh) | |
149 | { | |
150 | struct nfsdir *nfsdir; | |
151 | ||
152 | for (nfsdir = nfs->dircache; nfsdir; nfsdir = nfsdir->next) { | |
153 | if (nfsdir->fh.data.data_len == fh->data.data_len && | |
154 | !memcmp(nfsdir->fh.data.data_val, fh->data.data_val, fh->data.data_len)) { | |
155 | LIBNFS_LIST_REMOVE(&nfs->dircache, nfsdir); | |
156 | return nfsdir; | |
157 | } | |
158 | } | |
159 | ||
160 | return NULL; | |
161 | } | |
162 | ||
dabf4152 | 163 | struct nfs_cb_data; |
f1f22dbf RRS |
164 | typedef int (*continue_func)(struct nfs_context *nfs, fattr3 *attr, |
165 | struct nfs_cb_data *data); | |
dabf4152 AM |
166 | |
167 | struct nfs_cb_data { | |
168 | struct nfs_context *nfs; | |
169 | struct nfsfh *nfsfh; | |
170 | char *saved_path, *path; | |
171 | ||
172 | nfs_cb cb; | |
173 | void *private_data; | |
174 | ||
175 | continue_func continue_cb; | |
176 | void *continue_data; | |
177 | void (*free_continue_data)(void *); | |
178 | int continue_int; | |
179 | ||
180 | struct nfs_fh3 fh; | |
181 | ||
182 | /* for multi-read/write calls. */ | |
183 | int error; | |
184 | int cancel; | |
ee872606 | 185 | int oom; |
dabf4152 | 186 | int num_calls; |
f1f22dbf | 187 | uint64_t offset, count, max_offset, org_offset, org_count; |
dabf4152 | 188 | char *buffer; |
ee872606 | 189 | char *usrbuf; |
dabf4152 AM |
190 | }; |
191 | ||
192 | struct nfs_mcb_data { | |
193 | struct nfs_cb_data *data; | |
5670ec6e AM |
194 | uint64_t offset; |
195 | uint64_t count; | |
f1f22dbf | 196 | int update_pos; |
dabf4152 AM |
197 | }; |
198 | ||
f1f22dbf | 199 | static int nfs_lookup_path_async_internal(struct nfs_context *nfs, fattr3 *attr, struct nfs_cb_data *data, struct nfs_fh3 *fh); |
dabf4152 | 200 | |
ee872606 | 201 | void nfs_set_auth(struct nfs_context *nfs, struct AUTH *auth) |
dabf4152 | 202 | { |
5670ec6e | 203 | rpc_set_auth(nfs->rpc, auth); |
dabf4152 AM |
204 | } |
205 | ||
206 | int nfs_get_fd(struct nfs_context *nfs) | |
207 | { | |
208 | return rpc_get_fd(nfs->rpc); | |
209 | } | |
210 | ||
5670ec6e AM |
211 | int nfs_queue_length(struct nfs_context *nfs) |
212 | { | |
213 | return rpc_queue_length(nfs->rpc); | |
214 | } | |
215 | ||
dabf4152 AM |
216 | int nfs_which_events(struct nfs_context *nfs) |
217 | { | |
218 | return rpc_which_events(nfs->rpc); | |
219 | } | |
220 | ||
221 | int nfs_service(struct nfs_context *nfs, int revents) | |
222 | { | |
223 | return rpc_service(nfs->rpc, revents); | |
224 | } | |
225 | ||
226 | char *nfs_get_error(struct nfs_context *nfs) | |
227 | { | |
228 | return rpc_get_error(nfs->rpc); | |
229 | }; | |
230 | ||
ee872606 RRS |
231 | static int nfs_set_context_args(struct nfs_context *nfs, char *arg, char *val) |
232 | { | |
f1f22dbf | 233 | if (!strcmp(arg, "tcp-syncnt")) { |
ee872606 | 234 | rpc_set_tcp_syncnt(nfs_get_rpc_context(nfs), atoi(val)); |
f1f22dbf | 235 | } else if (!strcmp(arg, "uid")) { |
ee872606 | 236 | rpc_set_uid(nfs_get_rpc_context(nfs), atoi(val)); |
f1f22dbf | 237 | } else if (!strcmp(arg, "gid")) { |
ee872606 | 238 | rpc_set_gid(nfs_get_rpc_context(nfs), atoi(val)); |
f1f22dbf RRS |
239 | } else if (!strcmp(arg, "readahaed")) { |
240 | rpc_set_readahead(nfs_get_rpc_context(nfs), atoi(val)); | |
ee872606 RRS |
241 | } |
242 | return 0; | |
243 | } | |
244 | ||
245 | static struct nfs_url *nfs_parse_url(struct nfs_context *nfs, const char *url, int dir, int incomplete) | |
246 | { | |
247 | struct nfs_url *urls; | |
248 | char *strp, *flagsp, *strp2; | |
249 | ||
250 | if (strncmp(url, "nfs://", 6)) { | |
251 | rpc_set_error(nfs->rpc, "Invalid URL specified"); | |
252 | return NULL; | |
253 | } | |
254 | ||
255 | urls = malloc(sizeof(struct nfs_url)); | |
256 | if (urls == NULL) { | |
257 | rpc_set_error(nfs->rpc, "Out of memory"); | |
258 | return NULL; | |
259 | } | |
260 | ||
261 | memset(urls, 0x00, sizeof(struct nfs_url)); | |
262 | urls->server = strdup(url + 6); | |
263 | if (urls->server == NULL) { | |
264 | nfs_destroy_url(urls); | |
265 | rpc_set_error(nfs->rpc, "Out of memory"); | |
266 | return NULL; | |
267 | } | |
268 | ||
269 | if (urls->server[0] == '/' || urls->server[0] == '\0' || | |
270 | urls->server[0] == '?') { | |
271 | if (incomplete) { | |
272 | flagsp = strchr(urls->server, '?'); | |
273 | goto flags; | |
274 | } | |
275 | nfs_destroy_url(urls); | |
276 | rpc_set_error(nfs->rpc, "Invalid server string"); | |
277 | return NULL; | |
278 | } | |
279 | ||
280 | strp = strchr(urls->server, '/'); | |
281 | if (strp == NULL) { | |
282 | if (incomplete) { | |
283 | flagsp = strchr(urls->server, '?'); | |
284 | goto flags; | |
285 | } | |
286 | nfs_destroy_url(urls); | |
287 | rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified."); | |
288 | return NULL; | |
289 | } | |
290 | ||
291 | urls->path = strdup(strp); | |
292 | if (urls->path == NULL) { | |
293 | nfs_destroy_url(urls); | |
294 | rpc_set_error(nfs->rpc, "Out of memory"); | |
295 | return NULL; | |
296 | } | |
297 | *strp = 0; | |
298 | ||
299 | if (dir) { | |
300 | flagsp = strchr(urls->path, '?'); | |
301 | goto flags; | |
302 | } | |
303 | ||
304 | strp = strrchr(urls->path, '/'); | |
305 | if (strp == NULL) { | |
306 | if (incomplete) { | |
307 | flagsp = strchr(urls->path, '?'); | |
308 | goto flags; | |
309 | } | |
310 | nfs_destroy_url(urls); | |
311 | rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified."); | |
312 | return NULL; | |
313 | } | |
314 | urls->file = strdup(strp); | |
315 | if (urls->path == NULL) { | |
316 | nfs_destroy_url(urls); | |
317 | rpc_set_error(nfs->rpc, "Out of memory"); | |
318 | return NULL; | |
319 | } | |
320 | *strp = 0; | |
321 | flagsp = strchr(urls->file, '?'); | |
322 | ||
323 | flags: | |
324 | if (flagsp) { | |
325 | *flagsp = 0; | |
326 | } | |
327 | ||
328 | if (urls->file && !strlen(urls->file)) { | |
329 | free(urls->file); | |
330 | urls->file = NULL; | |
331 | if (!incomplete) { | |
332 | nfs_destroy_url(urls); | |
333 | rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified."); | |
334 | return NULL; | |
335 | } | |
336 | } | |
337 | ||
338 | while (flagsp != NULL && *(flagsp+1) != 0) { | |
339 | strp = flagsp + 1; | |
340 | flagsp = strchr(strp, '&'); | |
341 | if (flagsp) { | |
342 | *flagsp = 0; | |
343 | } | |
344 | strp2 = strchr(strp, '='); | |
345 | if (strp2) { | |
346 | *strp2 = 0; | |
347 | strp2++; | |
348 | nfs_set_context_args(nfs, strp, strp2); | |
349 | } | |
350 | } | |
351 | ||
352 | if (urls->server && strlen(urls->server) <= 1) { | |
353 | free(urls->server); | |
354 | urls->server = NULL; | |
355 | } | |
356 | ||
357 | return urls; | |
358 | } | |
359 | ||
360 | struct nfs_url *nfs_parse_url_full(struct nfs_context *nfs, const char *url) | |
361 | { | |
362 | return nfs_parse_url(nfs, url, 0, 0); | |
363 | } | |
364 | ||
365 | struct nfs_url *nfs_parse_url_dir(struct nfs_context *nfs, const char *url) | |
366 | { | |
367 | return nfs_parse_url(nfs, url, 1, 0); | |
368 | } | |
369 | ||
370 | struct nfs_url *nfs_parse_url_incomplete(struct nfs_context *nfs, const char *url) | |
371 | { | |
372 | return nfs_parse_url(nfs, url, 0, 1); | |
373 | } | |
374 | ||
375 | ||
376 | void nfs_destroy_url(struct nfs_url *url) | |
377 | { | |
378 | if (url) { | |
379 | free(url->server); | |
380 | free(url->path); | |
381 | free(url->file); | |
382 | } | |
383 | free(url); | |
384 | } | |
385 | ||
dabf4152 AM |
386 | struct nfs_context *nfs_init_context(void) |
387 | { | |
388 | struct nfs_context *nfs; | |
389 | ||
390 | nfs = malloc(sizeof(struct nfs_context)); | |
391 | if (nfs == NULL) { | |
392 | return NULL; | |
393 | } | |
ee872606 RRS |
394 | memset(nfs, 0, sizeof(struct nfs_context)); |
395 | ||
dabf4152 AM |
396 | nfs->rpc = rpc_init_context(); |
397 | if (nfs->rpc == NULL) { | |
398 | free(nfs); | |
399 | return NULL; | |
400 | } | |
401 | ||
ee872606 | 402 | nfs->cwd = strdup("/"); |
5670ec6e | 403 | |
dabf4152 AM |
404 | return nfs; |
405 | } | |
406 | ||
407 | void nfs_destroy_context(struct nfs_context *nfs) | |
408 | { | |
409 | rpc_destroy_context(nfs->rpc); | |
410 | nfs->rpc = NULL; | |
411 | ||
412 | if (nfs->server) { | |
413 | free(nfs->server); | |
414 | nfs->server = NULL; | |
415 | } | |
416 | ||
417 | if (nfs->export) { | |
418 | free(nfs->export); | |
419 | nfs->export = NULL; | |
420 | } | |
421 | ||
ee872606 RRS |
422 | if (nfs->cwd) { |
423 | free(nfs->cwd); | |
424 | nfs->cwd = NULL; | |
425 | } | |
426 | ||
dabf4152 AM |
427 | if (nfs->rootfh.data.data_val != NULL) { |
428 | free(nfs->rootfh.data.data_val); | |
429 | nfs->rootfh.data.data_val = NULL; | |
430 | } | |
431 | ||
f1f22dbf RRS |
432 | while (nfs->dircache) { |
433 | struct nfsdir *nfsdir = nfs->dircache; | |
434 | LIBNFS_LIST_REMOVE(&nfs->dircache, nfsdir); | |
435 | nfs_free_nfsdir(nfsdir); | |
436 | } | |
437 | ||
dabf4152 AM |
438 | free(nfs); |
439 | } | |
440 | ||
ee872606 RRS |
441 | struct rpc_cb_data { |
442 | char *server; | |
443 | uint32_t program; | |
444 | uint32_t version; | |
445 | ||
446 | rpc_cb cb; | |
447 | void *private_data; | |
448 | }; | |
449 | ||
450 | void free_rpc_cb_data(struct rpc_cb_data *data) | |
dabf4152 | 451 | { |
ee872606 RRS |
452 | free(data->server); |
453 | data->server = NULL; | |
454 | free(data); | |
455 | } | |
456 | ||
f1f22dbf RRS |
457 | static void rpc_connect_program_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
458 | { | |
459 | struct rpc_cb_data *data = private_data; | |
460 | ||
461 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
462 | ||
463 | /* Dont want any more callbacks even if the socket is closed */ | |
464 | rpc->connect_cb = NULL; | |
465 | ||
466 | if (status == RPC_STATUS_ERROR) { | |
467 | data->cb(rpc, status, command_data, data->private_data); | |
468 | free_rpc_cb_data(data); | |
469 | return; | |
470 | } | |
471 | if (status == RPC_STATUS_CANCEL) { | |
472 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
473 | free_rpc_cb_data(data); | |
474 | return; | |
475 | } | |
476 | ||
477 | data->cb(rpc, status, NULL, data->private_data); | |
478 | free_rpc_cb_data(data); | |
479 | } | |
480 | ||
ee872606 RRS |
481 | static void rpc_connect_program_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
482 | { | |
483 | struct rpc_cb_data *data = private_data; | |
484 | ||
485 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
486 | ||
487 | /* Dont want any more callbacks even if the socket is closed */ | |
488 | rpc->connect_cb = NULL; | |
489 | ||
490 | if (status == RPC_STATUS_ERROR) { | |
491 | data->cb(rpc, status, command_data, data->private_data); | |
492 | free_rpc_cb_data(data); | |
493 | return; | |
494 | } | |
495 | if (status == RPC_STATUS_CANCEL) { | |
496 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
497 | free_rpc_cb_data(data); | |
498 | return; | |
dabf4152 AM |
499 | } |
500 | ||
f1f22dbf RRS |
501 | switch (data->program) { |
502 | case MOUNT_PROGRAM: | |
503 | if (rpc_mount3_null_async(rpc, rpc_connect_program_5_cb, | |
504 | data) != 0) { | |
505 | data->cb(rpc, status, command_data, data->private_data); | |
506 | free_rpc_cb_data(data); | |
507 | return; | |
508 | } | |
509 | return; | |
510 | case NFS_PROGRAM: | |
511 | if (rpc_nfs3_null_async(rpc, rpc_connect_program_5_cb, | |
512 | data) != 0) { | |
513 | data->cb(rpc, status, command_data, data->private_data); | |
514 | free_rpc_cb_data(data); | |
515 | return; | |
516 | } | |
517 | return; | |
518 | } | |
519 | ||
ee872606 RRS |
520 | data->cb(rpc, status, NULL, data->private_data); |
521 | free_rpc_cb_data(data); | |
522 | } | |
523 | ||
524 | static void rpc_connect_program_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
525 | { | |
526 | struct rpc_cb_data *data = private_data; | |
f1f22dbf RRS |
527 | struct pmap3_string_result *gar; |
528 | uint32_t rpc_port = 0; | |
529 | unsigned char *ptr; | |
ee872606 RRS |
530 | |
531 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
532 | ||
533 | if (status == RPC_STATUS_ERROR) { | |
534 | data->cb(rpc, status, command_data, data->private_data); | |
535 | free_rpc_cb_data(data); | |
536 | return; | |
537 | } | |
538 | if (status == RPC_STATUS_CANCEL) { | |
539 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
540 | free_rpc_cb_data(data); | |
541 | return; | |
542 | } | |
543 | ||
f1f22dbf RRS |
544 | switch (rpc->s.ss_family) { |
545 | case AF_INET: | |
546 | rpc_port = *(uint32_t *)command_data; | |
547 | break; | |
548 | case AF_INET6: | |
549 | /* ouch. portmapper and ipv6 are not great */ | |
550 | gar = command_data; | |
551 | if (gar->addr == NULL) { | |
552 | break; | |
553 | } | |
554 | ptr = strrchr(gar->addr, '.'); | |
555 | if (ptr == NULL) { | |
556 | break; | |
557 | } | |
558 | rpc_port = atoi(ptr + 1); | |
559 | *ptr = 0; | |
560 | ptr = strrchr(gar->addr, '.'); | |
561 | if (ptr == NULL) { | |
562 | break; | |
563 | } | |
564 | rpc_port += 256 * atoi(ptr + 1); | |
565 | break; | |
566 | } | |
ee872606 RRS |
567 | if (rpc_port == 0) { |
568 | rpc_set_error(rpc, "RPC error. Program is not available on %s", data->server); | |
569 | data->cb(rpc, RPC_STATUS_ERROR, rpc_get_error(rpc), data->private_data); | |
570 | free_rpc_cb_data(data); | |
571 | return; | |
572 | } | |
573 | ||
574 | rpc_disconnect(rpc, "normal disconnect"); | |
575 | if (rpc_connect_async(rpc, data->server, rpc_port, rpc_connect_program_4_cb, data) != 0) { | |
576 | data->cb(rpc, status, command_data, data->private_data); | |
577 | free_rpc_cb_data(data); | |
578 | return; | |
579 | } | |
580 | } | |
581 | ||
582 | static void rpc_connect_program_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
583 | { | |
584 | struct rpc_cb_data *data = private_data; | |
f1f22dbf | 585 | struct pmap3_mapping map; |
ee872606 RRS |
586 | |
587 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
588 | ||
589 | if (status == RPC_STATUS_ERROR) { | |
590 | data->cb(rpc, status, command_data, data->private_data); | |
591 | free_rpc_cb_data(data); | |
592 | return; | |
593 | } | |
594 | if (status == RPC_STATUS_CANCEL) { | |
595 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
596 | free_rpc_cb_data(data); | |
597 | return; | |
dabf4152 AM |
598 | } |
599 | ||
f1f22dbf RRS |
600 | switch (rpc->s.ss_family) { |
601 | case AF_INET: | |
602 | if (rpc_pmap2_getport_async(rpc, data->program, data->version, IPPROTO_TCP, rpc_connect_program_3_cb, private_data) != 0) { | |
603 | data->cb(rpc, status, command_data, data->private_data); | |
604 | free_rpc_cb_data(data); | |
605 | return; | |
606 | } | |
607 | break; | |
608 | case AF_INET6: | |
609 | map.prog=data->program; | |
610 | map.vers=data->version; | |
611 | map.netid=""; | |
612 | map.addr=""; | |
613 | map.owner=""; | |
614 | if (rpc_pmap3_getaddr_async(rpc, &map, rpc_connect_program_3_cb, private_data) != 0) { | |
615 | data->cb(rpc, status, command_data, data->private_data); | |
616 | free_rpc_cb_data(data); | |
617 | return; | |
618 | } | |
619 | break; | |
dabf4152 | 620 | } |
ee872606 RRS |
621 | } |
622 | ||
623 | static void rpc_connect_program_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
624 | { | |
625 | struct rpc_cb_data *data = private_data; | |
626 | ||
627 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
628 | ||
629 | /* Dont want any more callbacks even if the socket is closed */ | |
630 | rpc->connect_cb = NULL; | |
dabf4152 | 631 | |
ee872606 RRS |
632 | if (status == RPC_STATUS_ERROR) { |
633 | data->cb(rpc, status, command_data, data->private_data); | |
634 | free_rpc_cb_data(data); | |
635 | return; | |
dabf4152 | 636 | } |
ee872606 RRS |
637 | if (status == RPC_STATUS_CANCEL) { |
638 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
639 | free_rpc_cb_data(data); | |
640 | return; | |
641 | } | |
642 | ||
f1f22dbf RRS |
643 | switch (rpc->s.ss_family) { |
644 | case AF_INET: | |
645 | if (rpc_pmap2_null_async(rpc, rpc_connect_program_2_cb, data) != 0) { | |
646 | data->cb(rpc, status, command_data, data->private_data); | |
647 | free_rpc_cb_data(data); | |
648 | return; | |
649 | } | |
650 | break; | |
651 | case AF_INET6: | |
652 | if (rpc_pmap3_null_async(rpc, rpc_connect_program_2_cb, data) != 0) { | |
653 | data->cb(rpc, status, command_data, data->private_data); | |
654 | free_rpc_cb_data(data); | |
655 | return; | |
656 | } | |
657 | break; | |
ee872606 RRS |
658 | } |
659 | } | |
660 | ||
f1f22dbf | 661 | int rpc_connect_program_async(struct rpc_context *rpc, const char *server, int program, int version, rpc_cb cb, void *private_data) |
ee872606 RRS |
662 | { |
663 | struct rpc_cb_data *data; | |
664 | ||
665 | data = malloc(sizeof(struct rpc_cb_data)); | |
666 | if (data == NULL) { | |
667 | return -1; | |
668 | } | |
669 | memset(data, 0, sizeof(struct rpc_cb_data)); | |
670 | data->server = strdup(server); | |
671 | data->program = program; | |
672 | data->version = version; | |
673 | ||
674 | data->cb = cb; | |
675 | data->private_data = private_data; | |
676 | ||
677 | if (rpc_connect_async(rpc, server, 111, rpc_connect_program_1_cb, data) != 0) { | |
678 | rpc_set_error(rpc, "Failed to start connection"); | |
679 | free_rpc_cb_data(data); | |
680 | return -1; | |
681 | } | |
682 | return 0; | |
683 | } | |
684 | ||
685 | static void free_nfs_cb_data(struct nfs_cb_data *data) | |
686 | { | |
687 | if (data->continue_data != NULL) { | |
688 | assert(data->free_continue_data); | |
689 | data->free_continue_data(data->continue_data); | |
690 | } | |
691 | ||
692 | free(data->saved_path); | |
693 | free(data->fh.data.data_val); | |
694 | free(data->buffer); | |
dabf4152 AM |
695 | |
696 | free(data); | |
697 | } | |
698 | ||
699 | ||
ee872606 | 700 | static void nfs_mount_10_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
701 | { |
702 | struct nfs_cb_data *data = private_data; | |
703 | struct nfs_context *nfs = data->nfs; | |
704 | ||
ee872606 RRS |
705 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
706 | ||
dabf4152 AM |
707 | if (status == RPC_STATUS_ERROR) { |
708 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
709 | free_nfs_cb_data(data); | |
710 | return; | |
711 | } | |
712 | if (status == RPC_STATUS_CANCEL) { | |
713 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
714 | free_nfs_cb_data(data); | |
715 | return; | |
716 | } | |
717 | ||
718 | data->cb(0, nfs, NULL, data->private_data); | |
719 | free_nfs_cb_data(data); | |
720 | } | |
721 | ||
722 | static void nfs_mount_9_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
723 | { | |
724 | struct nfs_cb_data *data = private_data; | |
725 | struct nfs_context *nfs = data->nfs; | |
726 | FSINFO3res *res = command_data; | |
ee872606 RRS |
727 | struct GETATTR3args args; |
728 | ||
729 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
dabf4152 AM |
730 | |
731 | if (status == RPC_STATUS_ERROR) { | |
732 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
733 | free_nfs_cb_data(data); | |
734 | return; | |
735 | } | |
736 | if (status == RPC_STATUS_CANCEL) { | |
737 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
738 | free_nfs_cb_data(data); | |
739 | return; | |
740 | } | |
741 | ||
742 | nfs->readmax = res->FSINFO3res_u.resok.rtmax; | |
743 | nfs->writemax = res->FSINFO3res_u.resok.wtmax; | |
744 | ||
ee872606 RRS |
745 | memset(&args, 0, sizeof(GETATTR3args)); |
746 | args.object = nfs->rootfh; | |
747 | ||
748 | if (rpc_nfs3_getattr_async(rpc, nfs_mount_10_cb, &args, data) != 0) { | |
dabf4152 AM |
749 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
750 | free_nfs_cb_data(data); | |
751 | return; | |
752 | } | |
753 | } | |
754 | ||
755 | static void nfs_mount_8_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
756 | { | |
757 | struct nfs_cb_data *data = private_data; | |
758 | struct nfs_context *nfs = data->nfs; | |
ee872606 RRS |
759 | struct FSINFO3args args; |
760 | ||
761 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
dabf4152 AM |
762 | |
763 | if (status == RPC_STATUS_ERROR) { | |
764 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
765 | free_nfs_cb_data(data); | |
766 | return; | |
767 | } | |
768 | if (status == RPC_STATUS_CANCEL) { | |
769 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
770 | free_nfs_cb_data(data); | |
771 | return; | |
772 | } | |
773 | ||
ee872606 RRS |
774 | args.fsroot = nfs->rootfh; |
775 | if (rpc_nfs3_fsinfo_async(rpc, nfs_mount_9_cb, &args, data) != 0) { | |
dabf4152 AM |
776 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
777 | free_nfs_cb_data(data); | |
778 | return; | |
779 | } | |
780 | } | |
781 | ||
dabf4152 AM |
782 | static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
783 | { | |
784 | struct nfs_cb_data *data = private_data; | |
785 | struct nfs_context *nfs = data->nfs; | |
786 | mountres3 *res; | |
787 | ||
ee872606 RRS |
788 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
789 | ||
dabf4152 AM |
790 | if (status == RPC_STATUS_ERROR) { |
791 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
792 | free_nfs_cb_data(data); | |
793 | return; | |
794 | } | |
795 | if (status == RPC_STATUS_CANCEL) { | |
796 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
797 | free_nfs_cb_data(data); | |
798 | return; | |
799 | } | |
800 | ||
801 | res = command_data; | |
802 | if (res->fhs_status != MNT3_OK) { | |
803 | rpc_set_error(rpc, "RPC error: Mount failed with error %s(%d) %s(%d)", mountstat3_to_str(res->fhs_status), res->fhs_status, strerror(-mountstat3_to_errno(res->fhs_status)), -mountstat3_to_errno(res->fhs_status)); | |
804 | data->cb(mountstat3_to_errno(res->fhs_status), nfs, rpc_get_error(rpc), data->private_data); | |
805 | free_nfs_cb_data(data); | |
806 | return; | |
807 | } | |
808 | ||
809 | nfs->rootfh.data.data_len = res->mountres3_u.mountinfo.fhandle.fhandle3_len; | |
810 | nfs->rootfh.data.data_val = malloc(nfs->rootfh.data.data_len); | |
811 | if (nfs->rootfh.data.data_val == NULL) { | |
812 | rpc_set_error(rpc, "Out of memory. Could not allocate memory to store root filehandle"); | |
813 | data->cb(-ENOMEM, nfs, rpc_get_error(rpc), data->private_data); | |
814 | free_nfs_cb_data(data); | |
815 | return; | |
816 | } | |
817 | memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len); | |
818 | ||
819 | rpc_disconnect(rpc, "normal disconnect"); | |
f1f22dbf RRS |
820 | |
821 | if (rpc_connect_program_async(nfs->rpc, nfs->server, NFS_PROGRAM, NFS_V3, nfs_mount_8_cb, data) != 0) { | |
dabf4152 AM |
822 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
823 | free_nfs_cb_data(data); | |
824 | return; | |
825 | } | |
f1f22dbf | 826 | |
5670ec6e AM |
827 | /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */ |
828 | rpc_set_autoreconnect(rpc); | |
dabf4152 AM |
829 | } |
830 | ||
831 | ||
832 | static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
833 | { | |
834 | struct nfs_cb_data *data = private_data; | |
835 | struct nfs_context *nfs = data->nfs; | |
836 | ||
ee872606 RRS |
837 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
838 | ||
dabf4152 AM |
839 | if (status == RPC_STATUS_ERROR) { |
840 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
841 | free_nfs_cb_data(data); | |
842 | return; | |
843 | } | |
844 | if (status == RPC_STATUS_CANCEL) { | |
845 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
846 | free_nfs_cb_data(data); | |
847 | return; | |
848 | } | |
849 | ||
ee872606 | 850 | if (rpc_mount3_mnt_async(rpc, nfs_mount_6_cb, nfs->export, data) != 0) { |
dabf4152 AM |
851 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
852 | free_nfs_cb_data(data); | |
853 | return; | |
854 | } | |
855 | } | |
856 | ||
dabf4152 AM |
857 | /* |
858 | * Async call for mounting an nfs share and geting the root filehandle | |
859 | */ | |
860 | int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data) | |
861 | { | |
862 | struct nfs_cb_data *data; | |
5670ec6e | 863 | char *new_server, *new_export; |
dabf4152 AM |
864 | |
865 | data = malloc(sizeof(struct nfs_cb_data)); | |
866 | if (data == NULL) { | |
867 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data"); | |
868 | return -1; | |
869 | } | |
5670ec6e AM |
870 | memset(data, 0, sizeof(struct nfs_cb_data)); |
871 | new_server = strdup(server); | |
872 | new_export = strdup(export); | |
873 | if (nfs->server != NULL) { | |
874 | free(nfs->server); | |
875 | } | |
876 | nfs->server = new_server; | |
877 | if (nfs->export != NULL) { | |
878 | free(nfs->export); | |
879 | } | |
880 | nfs->export = new_export; | |
dabf4152 AM |
881 | data->nfs = nfs; |
882 | data->cb = cb; | |
883 | data->private_data = private_data; | |
884 | ||
f1f22dbf | 885 | if (rpc_connect_program_async(nfs->rpc, server, MOUNT_PROGRAM, MOUNT_V3, nfs_mount_5_cb, data) != 0) { |
dabf4152 AM |
886 | rpc_set_error(nfs->rpc, "Failed to start connection"); |
887 | free_nfs_cb_data(data); | |
888 | return -1; | |
889 | } | |
890 | ||
891 | return 0; | |
892 | } | |
893 | ||
894 | ||
895 | ||
896 | /* | |
897 | * Functions to first look up a path, component by component, and then finally call a specific function once | |
898 | * the filehandle for the final component is found. | |
899 | */ | |
ee872606 | 900 | static void nfs_lookup_path_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
901 | { |
902 | struct nfs_cb_data *data = private_data; | |
903 | struct nfs_context *nfs = data->nfs; | |
904 | LOOKUP3res *res; | |
f1f22dbf | 905 | fattr3 *attr; |
dabf4152 | 906 | |
ee872606 RRS |
907 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
908 | ||
dabf4152 AM |
909 | if (status == RPC_STATUS_ERROR) { |
910 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
911 | free_nfs_cb_data(data); | |
912 | return; | |
913 | } | |
914 | if (status == RPC_STATUS_CANCEL) { | |
915 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
916 | free_nfs_cb_data(data); | |
917 | return; | |
918 | } | |
919 | ||
920 | res = command_data; | |
921 | if (res->status != NFS3_OK) { | |
922 | rpc_set_error(nfs->rpc, "NFS: Lookup of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
923 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
924 | free_nfs_cb_data(data); | |
925 | return; | |
926 | } | |
927 | ||
f1f22dbf RRS |
928 | attr = res->LOOKUP3res_u.resok.obj_attributes.attributes_follow ? |
929 | &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes : | |
930 | NULL; | |
931 | ||
932 | /* This function will always invoke the callback and cleanup | |
933 | * for failures. So no need to check the return value. | |
934 | */ | |
935 | nfs_lookup_path_async_internal(nfs, attr, data, &res->LOOKUP3res_u.resok.object); | |
dabf4152 AM |
936 | } |
937 | ||
f1f22dbf | 938 | static int nfs_lookup_path_async_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data, struct nfs_fh3 *fh) |
dabf4152 | 939 | { |
ee872606 RRS |
940 | char *path, *slash; |
941 | LOOKUP3args args; | |
dabf4152 AM |
942 | |
943 | while (*data->path == '/') { | |
944 | data->path++; | |
945 | } | |
946 | ||
947 | path = data->path; | |
ee872606 RRS |
948 | slash = strchr(path, '/'); |
949 | if (slash != NULL) { | |
950 | /* Clear slash so that path is a zero terminated string for | |
951 | * the current path component. Set it back to '/' again later | |
952 | * when we are finished referencing this component so that | |
953 | * data->saved_path will still point to the full | |
954 | * normalized path. | |
955 | */ | |
956 | *slash = 0; | |
957 | data->path = slash+1; | |
dabf4152 AM |
958 | } else { |
959 | while (*data->path != 0) { | |
960 | data->path++; | |
961 | } | |
962 | } | |
963 | ||
964 | if (*path == 0) { | |
965 | data->fh.data.data_len = fh->data.data_len; | |
966 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
967 | if (data->fh.data.data_val == NULL) { | |
968 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh for %s", data->path); | |
969 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
970 | free_nfs_cb_data(data); | |
971 | return -1; | |
972 | } | |
973 | memcpy(data->fh.data.data_val, fh->data.data_val, data->fh.data.data_len); | |
ee872606 RRS |
974 | if (slash != NULL) { |
975 | *slash = '/'; | |
976 | } | |
f1f22dbf | 977 | data->continue_cb(nfs, attr, data); |
dabf4152 AM |
978 | return 0; |
979 | } | |
980 | ||
ee872606 RRS |
981 | memset(&args, 0, sizeof(LOOKUP3args)); |
982 | args.what.dir = *fh; | |
983 | args.what.name = path; | |
984 | ||
985 | if (rpc_nfs3_lookup_async(nfs->rpc, nfs_lookup_path_1_cb, &args, data) != 0) { | |
dabf4152 AM |
986 | rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s", data->path); |
987 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
988 | free_nfs_cb_data(data); | |
989 | return -1; | |
990 | } | |
ee872606 RRS |
991 | if (slash != NULL) { |
992 | *slash = '/'; | |
993 | } | |
dabf4152 AM |
994 | return 0; |
995 | } | |
996 | ||
ee872606 | 997 | static int nfs_normalize_path(struct nfs_context *nfs, char *path) |
dabf4152 | 998 | { |
ee872606 RRS |
999 | char *str; |
1000 | int len; | |
1001 | ||
1002 | /* // -> / */ | |
1003 | while ((str = strstr(path, "//"))) { | |
1004 | while(*str) { | |
1005 | *str = *(str + 1); | |
1006 | str++; | |
1007 | } | |
1008 | } | |
1009 | ||
1010 | /* /./ -> / */ | |
1011 | while ((str = strstr(path, "/./"))) { | |
1012 | while(*(str + 1)) { | |
1013 | *str = *(str + 2); | |
1014 | str++; | |
1015 | } | |
1016 | } | |
dabf4152 | 1017 | |
ee872606 RRS |
1018 | /* ^/../ -> error */ |
1019 | if (!strncmp(path, "/../", 4)) { | |
1020 | rpc_set_error(nfs->rpc, | |
1021 | "Absolute path starts with '/../' " | |
1022 | "during normalization"); | |
1023 | return -1; | |
1024 | } | |
1025 | ||
1026 | /* ^[^/] -> error */ | |
dabf4152 | 1027 | if (path[0] != '/') { |
ee872606 RRS |
1028 | rpc_set_error(nfs->rpc, |
1029 | "Absolute path does not start with '/'"); | |
1030 | return -1; | |
1031 | } | |
1032 | ||
1033 | /* /string/../ -> / */ | |
1034 | while ((str = strstr(path, "/../"))) { | |
1035 | char *tmp; | |
1036 | ||
1037 | if (!strncmp(path, "/../", 4)) { | |
1038 | rpc_set_error(nfs->rpc, | |
1039 | "Absolute path starts with '/../' " | |
1040 | "during normalization"); | |
1041 | return -1; | |
1042 | } | |
1043 | ||
1044 | tmp = str - 1; | |
1045 | while (*tmp != '/') { | |
1046 | tmp--; | |
1047 | } | |
1048 | str += 3; | |
1049 | while((*(tmp++) = *(str++)) != '\0') | |
1050 | ; | |
1051 | } | |
1052 | ||
1053 | /* /$ -> \0 */ | |
1054 | len = strlen(path); | |
f1f22dbf | 1055 | if (len > 1) { |
ee872606 RRS |
1056 | if (path[len - 1] == '/') { |
1057 | path[len - 1] = '\0'; | |
1058 | len--; | |
1059 | } | |
1060 | } | |
1061 | if (path[0] == '\0') { | |
1062 | rpc_set_error(nfs->rpc, | |
1063 | "Absolute path became '' " | |
1064 | "during normalization"); | |
1065 | return -1; | |
1066 | } | |
1067 | ||
1068 | /* /.$ -> \0 */ | |
1069 | if (len >= 2) { | |
1070 | if (!strcmp(&path[len - 2], "/.")) { | |
1071 | path[len - 2] = '\0'; | |
1072 | len -= 2; | |
1073 | } | |
1074 | } | |
1075 | ||
1076 | /* ^/..$ -> error */ | |
1077 | if (!strcmp(path, "/..")) { | |
1078 | rpc_set_error(nfs->rpc, | |
1079 | "Absolute path is '/..' " | |
1080 | "during normalization"); | |
dabf4152 AM |
1081 | return -1; |
1082 | } | |
1083 | ||
ee872606 RRS |
1084 | /* /string/..$ -> / */ |
1085 | if (len >= 3) { | |
1086 | if (!strcmp(&path[len - 3], "/..")) { | |
1087 | char *tmp = &path[len - 3]; | |
1088 | while (*--tmp != '/') | |
1089 | ; | |
1090 | *tmp = '\0'; | |
1091 | } | |
1092 | } | |
1093 | ||
1094 | return 0; | |
1095 | } | |
1096 | ||
f1f22dbf RRS |
1097 | static void nfs_lookup_path_getattr_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
1098 | { | |
1099 | struct nfs_cb_data *data = private_data; | |
1100 | struct nfs_context *nfs = data->nfs; | |
1101 | GETATTR3res *res; | |
1102 | fattr3 *attr; | |
1103 | ||
1104 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
1105 | ||
1106 | if (status == RPC_STATUS_ERROR) { | |
1107 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1108 | free_nfs_cb_data(data); | |
1109 | return; | |
1110 | } | |
1111 | if (status == RPC_STATUS_CANCEL) { | |
1112 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1113 | free_nfs_cb_data(data); | |
1114 | return; | |
1115 | } | |
1116 | ||
1117 | res = command_data; | |
1118 | if (res->status != NFS3_OK) { | |
1119 | rpc_set_error(nfs->rpc, "NFS: GETATTR of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1120 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1121 | free_nfs_cb_data(data); | |
1122 | return; | |
1123 | } | |
1124 | ||
1125 | attr = &res->GETATTR3res_u.resok.obj_attributes; | |
1126 | /* This function will always invoke the callback and cleanup | |
1127 | * for failures. So no need to check the return value. | |
1128 | */ | |
1129 | nfs_lookup_path_async_internal(nfs, attr, data, &nfs->rootfh); | |
1130 | } | |
1131 | ||
ee872606 RRS |
1132 | static int nfs_lookuppath_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data, continue_func continue_cb, void *continue_data, void (*free_continue_data)(void *), int continue_int) |
1133 | { | |
1134 | struct nfs_cb_data *data; | |
f1f22dbf | 1135 | struct GETATTR3args args; |
ee872606 RRS |
1136 | |
1137 | if (path[0] == '\0') { | |
1138 | path = "."; | |
1139 | } | |
1140 | ||
dabf4152 AM |
1141 | data = malloc(sizeof(struct nfs_cb_data)); |
1142 | if (data == NULL) { | |
ee872606 RRS |
1143 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate " |
1144 | "nfs_cb_data structure"); | |
1145 | if (free_continue_data) | |
1146 | free_continue_data(continue_data); | |
dabf4152 AM |
1147 | return -1; |
1148 | } | |
5670ec6e | 1149 | memset(data, 0, sizeof(struct nfs_cb_data)); |
dabf4152 AM |
1150 | data->nfs = nfs; |
1151 | data->cb = cb; | |
1152 | data->continue_cb = continue_cb; | |
1153 | data->continue_data = continue_data; | |
1154 | data->free_continue_data = free_continue_data; | |
1155 | data->continue_int = continue_int; | |
1156 | data->private_data = private_data; | |
ee872606 RRS |
1157 | if (path[0] == '/') { |
1158 | data->saved_path = strdup(path); | |
1159 | } else { | |
1160 | data->saved_path = malloc(strlen(path) + strlen(nfs->cwd) + 2); | |
1161 | if (data->saved_path == NULL) { | |
1162 | rpc_set_error(nfs->rpc, "out of memory: failed to " | |
1163 | "malloc path string"); | |
1164 | free_nfs_cb_data(data); | |
1165 | return -1; | |
1166 | } | |
1167 | sprintf(data->saved_path, "%s/%s", nfs->cwd, path); | |
1168 | } | |
1169 | ||
dabf4152 AM |
1170 | if (data->saved_path == NULL) { |
1171 | rpc_set_error(nfs->rpc, "out of memory: failed to copy path string"); | |
1172 | free_nfs_cb_data(data); | |
1173 | return -1; | |
1174 | } | |
ee872606 RRS |
1175 | if (nfs_normalize_path(nfs, data->saved_path) != 0) { |
1176 | free_nfs_cb_data(data); | |
1177 | return -1; | |
1178 | } | |
1179 | ||
dabf4152 | 1180 | data->path = data->saved_path; |
f1f22dbf RRS |
1181 | if (data->path[0]) { |
1182 | /* This function will always invoke the callback and cleanup | |
1183 | * for failures. So no need to check the return value. | |
1184 | */ | |
1185 | nfs_lookup_path_async_internal(nfs, NULL, data, &nfs->rootfh); | |
dabf4152 AM |
1186 | return 0; |
1187 | } | |
f1f22dbf RRS |
1188 | |
1189 | /* We have a request for "", so just perform a GETATTR3 so we can | |
1190 | * return the attributes to the caller. | |
1191 | */ | |
1192 | memset(&args, 0, sizeof(GETATTR3args)); | |
1193 | args.object = nfs->rootfh; | |
1194 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lookup_path_getattr_cb, &args, data) != 0) { | |
1195 | free_nfs_cb_data(data); | |
1196 | return -1; | |
1197 | } | |
dabf4152 AM |
1198 | return 0; |
1199 | } | |
1200 | ||
1201 | ||
dabf4152 AM |
1202 | /* |
1203 | * Async stat() | |
1204 | */ | |
ee872606 | 1205 | static void nfs_stat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
1206 | { |
1207 | GETATTR3res *res; | |
1208 | struct nfs_cb_data *data = private_data; | |
1209 | struct nfs_context *nfs = data->nfs; | |
ee872606 RRS |
1210 | #ifdef WIN32 |
1211 | struct __stat64 st; | |
1212 | #else | |
dabf4152 | 1213 | struct stat st; |
ee872606 RRS |
1214 | #endif |
1215 | ||
1216 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
dabf4152 AM |
1217 | |
1218 | if (status == RPC_STATUS_ERROR) { | |
1219 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1220 | free_nfs_cb_data(data); | |
1221 | return; | |
1222 | } | |
1223 | if (status == RPC_STATUS_CANCEL) { | |
1224 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1225 | free_nfs_cb_data(data); | |
1226 | return; | |
1227 | } | |
1228 | ||
1229 | res = command_data; | |
1230 | if (res->status != NFS3_OK) { | |
1231 | rpc_set_error(nfs->rpc, "NFS: GETATTR of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1232 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1233 | free_nfs_cb_data(data); | |
1234 | return; | |
1235 | } | |
1236 | ||
1237 | st.st_dev = -1; | |
1238 | st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid; | |
1239 | st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode; | |
1240 | if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) { | |
1241 | st.st_mode |= S_IFDIR ; | |
1242 | } | |
5670ec6e AM |
1243 | if (res->GETATTR3res_u.resok.obj_attributes.type == NF3REG) { |
1244 | st.st_mode |= S_IFREG ; | |
1245 | } | |
dabf4152 AM |
1246 | st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink; |
1247 | st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid; | |
1248 | st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid; | |
1249 | st.st_rdev = 0; | |
1250 | st.st_size = res->GETATTR3res_u.resok.obj_attributes.size; | |
5670ec6e | 1251 | #ifndef WIN32 |
f1f22dbf RRS |
1252 | st.st_blksize = NFS_BLKSIZE; |
1253 | st.st_blocks = res->GETATTR3res_u.resok.obj_attributes.size / NFS_BLKSIZE; | |
ee872606 | 1254 | #endif//WIN32 |
dabf4152 AM |
1255 | st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds; |
1256 | st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds; | |
1257 | st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds; | |
1258 | ||
1259 | data->cb(0, nfs, &st, data->private_data); | |
1260 | free_nfs_cb_data(data); | |
1261 | } | |
1262 | ||
f1f22dbf | 1263 | static int nfs_stat_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 | 1264 | { |
ee872606 RRS |
1265 | struct GETATTR3args args; |
1266 | ||
1267 | memset(&args, 0, sizeof(GETATTR3args)); | |
1268 | args.object = data->fh; | |
1269 | ||
1270 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) { | |
dabf4152 AM |
1271 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); |
1272 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1273 | free_nfs_cb_data(data); | |
1274 | return -1; | |
1275 | } | |
1276 | return 0; | |
1277 | } | |
1278 | ||
1279 | int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1280 | { | |
1281 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat_continue_internal, NULL, NULL, 0) != 0) { | |
1282 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
1283 | return -1; | |
1284 | } | |
1285 | ||
1286 | return 0; | |
1287 | } | |
1288 | ||
1289 | ||
ee872606 RRS |
1290 | /* |
1291 | * Async nfs_stat64() | |
1292 | */ | |
1293 | static void nfs_stat64_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
1294 | { | |
1295 | GETATTR3res *res; | |
1296 | struct nfs_cb_data *data = private_data; | |
1297 | struct nfs_context *nfs = data->nfs; | |
1298 | struct nfs_stat_64 st; | |
1299 | ||
1300 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
1301 | ||
1302 | if (status == RPC_STATUS_ERROR) { | |
1303 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1304 | free_nfs_cb_data(data); | |
1305 | return; | |
1306 | } | |
1307 | if (status == RPC_STATUS_CANCEL) { | |
1308 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1309 | free_nfs_cb_data(data); | |
1310 | return; | |
1311 | } | |
1312 | ||
1313 | res = command_data; | |
1314 | if (res->status != NFS3_OK) { | |
1315 | rpc_set_error(nfs->rpc, "NFS: GETATTR of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1316 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1317 | free_nfs_cb_data(data); | |
1318 | return; | |
1319 | } | |
1320 | ||
1321 | st.nfs_dev = -1; | |
1322 | st.nfs_ino = res->GETATTR3res_u.resok.obj_attributes.fileid; | |
1323 | st.nfs_mode = res->GETATTR3res_u.resok.obj_attributes.mode; | |
1324 | if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) { | |
1325 | st.nfs_mode |= S_IFDIR ; | |
1326 | } | |
1327 | if (res->GETATTR3res_u.resok.obj_attributes.type == NF3REG) { | |
1328 | st.nfs_mode |= S_IFREG ; | |
1329 | } | |
1330 | st.nfs_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink; | |
1331 | st.nfs_uid = res->GETATTR3res_u.resok.obj_attributes.uid; | |
1332 | st.nfs_gid = res->GETATTR3res_u.resok.obj_attributes.gid; | |
1333 | st.nfs_rdev = 0; | |
1334 | st.nfs_size = res->GETATTR3res_u.resok.obj_attributes.size; | |
1335 | st.nfs_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds; | |
1336 | st.nfs_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds; | |
1337 | st.nfs_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds; | |
1338 | ||
1339 | data->cb(0, nfs, &st, data->private_data); | |
1340 | free_nfs_cb_data(data); | |
1341 | } | |
1342 | ||
f1f22dbf | 1343 | static int nfs_stat64_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
ee872606 RRS |
1344 | { |
1345 | struct GETATTR3args args; | |
1346 | ||
1347 | memset(&args, 0, sizeof(GETATTR3args)); | |
1348 | args.object = data->fh; | |
1349 | ||
1350 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat64_1_cb, &args, data) != 0) { | |
1351 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); | |
1352 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1353 | free_nfs_cb_data(data); | |
1354 | return -1; | |
1355 | } | |
1356 | return 0; | |
1357 | } | |
1358 | ||
1359 | int nfs_stat64_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1360 | { | |
1361 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat64_continue_internal, NULL, NULL, 0) != 0) { | |
1362 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
1363 | return -1; | |
1364 | } | |
1365 | ||
1366 | return 0; | |
1367 | } | |
1368 | ||
1369 | /* | |
1370 | * Async open() | |
1371 | */ | |
1372 | static void nfs_open_trunc_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
1373 | { | |
1374 | struct nfs_cb_data *data = private_data; | |
1375 | struct nfs_context *nfs = data->nfs; | |
1376 | struct nfsfh *nfsfh; | |
1377 | SETATTR3res *res; | |
1378 | ||
1379 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
1380 | ||
1381 | if (status == RPC_STATUS_ERROR) { | |
1382 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1383 | free_nfs_cb_data(data); | |
1384 | return; | |
1385 | } | |
1386 | if (status == RPC_STATUS_CANCEL) { | |
1387 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1388 | free_nfs_cb_data(data); | |
1389 | return; | |
1390 | } | |
1391 | ||
1392 | res = command_data; | |
1393 | if (res->status != NFS3_OK) { | |
1394 | rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1395 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1396 | free_nfs_cb_data(data); | |
1397 | return; | |
1398 | } | |
1399 | ||
1400 | nfsfh = malloc(sizeof(struct nfsfh)); | |
1401 | if (nfsfh == NULL) { | |
1402 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
1403 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1404 | free_nfs_cb_data(data); | |
1405 | return; | |
1406 | } | |
1407 | memset(nfsfh, 0, sizeof(struct nfsfh)); | |
1408 | ||
1409 | if (data->continue_int & O_SYNC) { | |
1410 | nfsfh->is_sync = 1; | |
1411 | } | |
f1f22dbf RRS |
1412 | if (data->continue_int & O_APPEND) { |
1413 | nfsfh->is_append = 1; | |
1414 | } | |
dabf4152 | 1415 | |
ee872606 RRS |
1416 | /* steal the filehandle */ |
1417 | nfsfh->fh = data->fh; | |
1418 | data->fh.data.data_val = NULL; | |
dabf4152 | 1419 | |
ee872606 RRS |
1420 | data->cb(0, nfs, nfsfh, data->private_data); |
1421 | free_nfs_cb_data(data); | |
1422 | } | |
dabf4152 | 1423 | |
ee872606 | 1424 | static void nfs_open_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
1425 | { |
1426 | ACCESS3res *res; | |
1427 | struct nfs_cb_data *data = private_data; | |
1428 | struct nfs_context *nfs = data->nfs; | |
1429 | struct nfsfh *nfsfh; | |
1430 | unsigned int nfsmode = 0; | |
1431 | ||
ee872606 RRS |
1432 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1433 | ||
dabf4152 AM |
1434 | if (status == RPC_STATUS_ERROR) { |
1435 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1436 | free_nfs_cb_data(data); | |
1437 | return; | |
1438 | } | |
1439 | if (status == RPC_STATUS_CANCEL) { | |
1440 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1441 | free_nfs_cb_data(data); | |
1442 | return; | |
1443 | } | |
1444 | ||
1445 | res = command_data; | |
1446 | if (res->status != NFS3_OK) { | |
1447 | rpc_set_error(nfs->rpc, "NFS: ACCESS of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1448 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1449 | free_nfs_cb_data(data); | |
1450 | return; | |
1451 | } | |
1452 | ||
1453 | if (data->continue_int & O_WRONLY) { | |
1454 | nfsmode |= ACCESS3_MODIFY; | |
1455 | } | |
1456 | if (data->continue_int & O_RDWR) { | |
1457 | nfsmode |= ACCESS3_READ|ACCESS3_MODIFY; | |
1458 | } | |
1459 | if (!(data->continue_int & (O_WRONLY|O_RDWR))) { | |
1460 | nfsmode |= ACCESS3_READ; | |
1461 | } | |
1462 | ||
1463 | ||
1464 | if (res->ACCESS3res_u.resok.access != nfsmode) { | |
1465 | rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c", | |
1466 | nfsmode&ACCESS3_READ?'r':'-', | |
1467 | nfsmode&ACCESS3_MODIFY?'w':'-', | |
1468 | nfsmode&ACCESS3_EXECUTE?'x':'-', | |
1469 | res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-', | |
1470 | res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-', | |
1471 | res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-'); | |
1472 | data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1473 | free_nfs_cb_data(data); | |
1474 | return; | |
1475 | } | |
1476 | ||
ee872606 RRS |
1477 | /* Try to truncate it if we were requested to */ |
1478 | if ((data->continue_int & O_TRUNC) && | |
1479 | (data->continue_int & (O_RDWR|O_WRONLY))) { | |
1480 | SETATTR3args args; | |
1481 | ||
1482 | memset(&args, 0, sizeof(SETATTR3args)); | |
1483 | args.object = data->fh; | |
1484 | args.new_attributes.size.set_it = 1; | |
1485 | args.new_attributes.size.set_size3_u.size = 0; | |
1486 | ||
1487 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_open_trunc_cb, &args, | |
1488 | data) != 0) { | |
1489 | rpc_set_error(nfs->rpc, "RPC error: Failed to send " | |
1490 | "SETATTR call for %s", data->path); | |
1491 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), | |
1492 | data->private_data); | |
1493 | free_nfs_cb_data(data); | |
1494 | return; | |
1495 | } | |
1496 | return; | |
1497 | } | |
1498 | ||
dabf4152 AM |
1499 | nfsfh = malloc(sizeof(struct nfsfh)); |
1500 | if (nfsfh == NULL) { | |
1501 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
1502 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1503 | free_nfs_cb_data(data); | |
1504 | return; | |
1505 | } | |
5670ec6e | 1506 | memset(nfsfh, 0, sizeof(struct nfsfh)); |
dabf4152 AM |
1507 | |
1508 | if (data->continue_int & O_SYNC) { | |
1509 | nfsfh->is_sync = 1; | |
1510 | } | |
f1f22dbf RRS |
1511 | if (data->continue_int & O_APPEND) { |
1512 | nfsfh->is_append = 1; | |
1513 | } | |
dabf4152 AM |
1514 | |
1515 | /* steal the filehandle */ | |
ee872606 | 1516 | nfsfh->fh = data->fh; |
dabf4152 AM |
1517 | data->fh.data.data_val = NULL; |
1518 | ||
1519 | data->cb(0, nfs, nfsfh, data->private_data); | |
1520 | free_nfs_cb_data(data); | |
1521 | } | |
1522 | ||
f1f22dbf | 1523 | static int nfs_open_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
1524 | { |
1525 | int nfsmode = 0; | |
ee872606 | 1526 | ACCESS3args args; |
dabf4152 AM |
1527 | |
1528 | if (data->continue_int & O_WRONLY) { | |
1529 | nfsmode |= ACCESS3_MODIFY; | |
1530 | } | |
1531 | if (data->continue_int & O_RDWR) { | |
1532 | nfsmode |= ACCESS3_READ|ACCESS3_MODIFY; | |
1533 | } | |
1534 | if (!(data->continue_int & (O_WRONLY|O_RDWR))) { | |
1535 | nfsmode |= ACCESS3_READ; | |
1536 | } | |
1537 | ||
ee872606 RRS |
1538 | memset(&args, 0, sizeof(ACCESS3args)); |
1539 | args.object = data->fh; | |
1540 | args.access = nfsmode; | |
1541 | ||
1542 | if (rpc_nfs3_access_async(nfs->rpc, nfs_open_cb, &args, data) != 0) { | |
1543 | rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS " | |
1544 | "call for %s", data->path); | |
1545 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), | |
1546 | data->private_data); | |
dabf4152 AM |
1547 | free_nfs_cb_data(data); |
1548 | return -1; | |
1549 | } | |
1550 | return 0; | |
1551 | } | |
1552 | ||
ee872606 | 1553 | int nfs_open_async(struct nfs_context *nfs, const char *path, int flags, nfs_cb cb, void *private_data) |
dabf4152 | 1554 | { |
ee872606 | 1555 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_open_continue_internal, NULL, NULL, flags) != 0) { |
dabf4152 AM |
1556 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1557 | return -1; | |
1558 | } | |
1559 | ||
1560 | return 0; | |
1561 | } | |
1562 | ||
1563 | ||
dabf4152 | 1564 | /* |
ee872606 | 1565 | * Async chdir() |
dabf4152 | 1566 | */ |
f1f22dbf | 1567 | static int nfs_chdir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 | 1568 | { |
ee872606 RRS |
1569 | /* steal saved_path */ |
1570 | free(nfs->cwd); | |
1571 | nfs->cwd = data->saved_path; | |
1572 | data->saved_path = NULL; | |
dabf4152 | 1573 | |
ee872606 RRS |
1574 | data->cb(0, nfs, NULL, data->private_data); |
1575 | free_nfs_cb_data(data); | |
dabf4152 | 1576 | |
ee872606 RRS |
1577 | return 0; |
1578 | } | |
1579 | ||
1580 | int nfs_chdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1581 | { | |
1582 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chdir_continue_internal, NULL, NULL, 0) != 0) { | |
1583 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
1584 | return -1; | |
dabf4152 AM |
1585 | } |
1586 | ||
ee872606 | 1587 | return 0; |
dabf4152 AM |
1588 | } |
1589 | ||
ee872606 RRS |
1590 | |
1591 | /* | |
1592 | * Async pread() | |
1593 | */ | |
1594 | static void nfs_fill_READ3args(READ3args *args, struct nfsfh *fh, uint64_t offset, uint64_t count) | |
1595 | { | |
1596 | memset(args, 0, sizeof(READ3args)); | |
1597 | args->file = fh->fh; | |
1598 | args->offset = offset; | |
1599 | args->count = count; | |
1600 | } | |
1601 | ||
1602 | static void nfs_pread_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
dabf4152 AM |
1603 | { |
1604 | struct nfs_mcb_data *mdata = private_data; | |
1605 | struct nfs_cb_data *data = mdata->data; | |
1606 | struct nfs_context *nfs = data->nfs; | |
1607 | READ3res *res; | |
1608 | ||
ee872606 RRS |
1609 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1610 | ||
dabf4152 AM |
1611 | data->num_calls--; |
1612 | ||
1613 | if (status == RPC_STATUS_ERROR) { | |
1614 | /* flag the failure but do not invoke callback until we have received all responses */ | |
1615 | data->error = 1; | |
1616 | } | |
1617 | if (status == RPC_STATUS_CANCEL) { | |
1618 | /* flag the cancellation but do not invoke callback until we have received all responses */ | |
1619 | data->cancel = 1; | |
1620 | } | |
1621 | ||
dabf4152 AM |
1622 | if (status == RPC_STATUS_SUCCESS) { |
1623 | res = command_data; | |
1624 | if (res->status != NFS3_OK) { | |
1625 | rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1626 | data->error = 1; | |
f1f22dbf RRS |
1627 | } else { |
1628 | uint64_t count = res->READ3res_u.resok.count; | |
1629 | ||
1630 | if (mdata->update_pos) | |
1631 | data->nfsfh->offset += count; | |
1632 | ||
ee872606 | 1633 | /* if we have more than one call or we have received a short read we need a reassembly buffer */ |
f1f22dbf | 1634 | if (data->num_calls || (count < mdata->count && !res->READ3res_u.resok.eof)) { |
ee872606 | 1635 | if (data->buffer == NULL) { |
f1f22dbf | 1636 | data->buffer = malloc(data->count); |
ee872606 | 1637 | if (data->buffer == NULL) { |
f1f22dbf | 1638 | rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)data->count); |
ee872606 RRS |
1639 | data->oom = 1; |
1640 | } | |
1641 | } | |
1642 | } | |
f1f22dbf RRS |
1643 | if (count > 0) { |
1644 | if (count <= mdata->count) { | |
ee872606 RRS |
1645 | /* copy data into reassembly buffer if we have one */ |
1646 | if (data->buffer != NULL) { | |
f1f22dbf | 1647 | memcpy(&data->buffer[mdata->offset - data->offset], res->READ3res_u.resok.data.data_val, count); |
ee872606 | 1648 | } |
f1f22dbf RRS |
1649 | if (data->max_offset < mdata->offset + count) { |
1650 | data->max_offset = mdata->offset + count; | |
ee872606 RRS |
1651 | } |
1652 | } else { | |
1653 | rpc_set_error(nfs->rpc, "NFS: Read overflow. Server has sent more data than requested!"); | |
1654 | data->error = 1; | |
1655 | } | |
1656 | } | |
1657 | /* check if we have received a short read */ | |
f1f22dbf RRS |
1658 | if (count < mdata->count && !res->READ3res_u.resok.eof) { |
1659 | if (count == 0) { | |
ee872606 RRS |
1660 | rpc_set_error(nfs->rpc, "NFS: Read failed. No bytes read and not at EOF!"); |
1661 | data->error = 1; | |
1662 | } else { | |
1663 | /* reissue reminder of this read request */ | |
1664 | READ3args args; | |
f1f22dbf RRS |
1665 | mdata->offset += count; |
1666 | mdata->count -= count; | |
ee872606 RRS |
1667 | nfs_fill_READ3args(&args, data->nfsfh, mdata->offset, mdata->count); |
1668 | if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) == 0) { | |
1669 | data->num_calls++; | |
1670 | return; | |
1671 | } else { | |
1672 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); | |
1673 | data->oom = 1; | |
1674 | } | |
dabf4152 AM |
1675 | } |
1676 | } | |
1677 | } | |
1678 | } | |
1679 | ||
ee872606 RRS |
1680 | free(mdata); |
1681 | ||
dabf4152 AM |
1682 | if (data->num_calls > 0) { |
1683 | /* still waiting for more replies */ | |
dabf4152 AM |
1684 | return; |
1685 | } | |
ee872606 RRS |
1686 | if (data->oom != 0) { |
1687 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
1688 | free_nfs_cb_data(data); | |
1689 | return; | |
1690 | } | |
dabf4152 AM |
1691 | if (data->error != 0) { |
1692 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1693 | free_nfs_cb_data(data); | |
dabf4152 AM |
1694 | return; |
1695 | } | |
1696 | if (data->cancel != 0) { | |
1697 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1698 | free_nfs_cb_data(data); | |
dabf4152 AM |
1699 | return; |
1700 | } | |
1701 | ||
ee872606 | 1702 | if (data->buffer) { |
f1f22dbf RRS |
1703 | if (data->max_offset > data->org_offset + data->org_count) { |
1704 | data->max_offset = data->org_offset + data->org_count; | |
1705 | } | |
1706 | data->cb(data->max_offset - data->org_offset, nfs, data->buffer + (data->org_offset - data->offset), data->private_data); | |
ee872606 RRS |
1707 | } else { |
1708 | data->cb(res->READ3res_u.resok.count, nfs, res->READ3res_u.resok.data.data_val, data->private_data); | |
1709 | } | |
dabf4152 | 1710 | |
f1f22dbf RRS |
1711 | data->nfsfh->ra.fh_offset = data->max_offset; |
1712 | if (data->nfsfh->ra.cur_ra) { | |
1713 | free(data->nfsfh->ra.buf); | |
1714 | data->nfsfh->ra.buf = data->buffer; | |
1715 | data->nfsfh->ra.buf_offset = data->offset; | |
1716 | data->nfsfh->ra.buf_count = data->count; | |
1717 | data->nfsfh->ra.buf_ts = time(NULL); | |
1718 | data->buffer = NULL; | |
1719 | } | |
dabf4152 | 1720 | free_nfs_cb_data(data); |
dabf4152 AM |
1721 | } |
1722 | ||
f1f22dbf RRS |
1723 | static void nfs_ra_invalidate(struct nfsfh *nfsfh) { |
1724 | free(nfsfh->ra.buf); | |
1725 | nfsfh->ra.buf = NULL; | |
1726 | nfsfh->ra.buf_offset = 0; | |
1727 | nfsfh->ra.buf_count = 0; | |
1728 | nfsfh->ra.buf_ts = time(NULL); | |
1729 | nfsfh->ra.cur_ra = NFS_BLKSIZE; | |
1730 | } | |
1731 | ||
1732 | static int nfs_pread_async_internal(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, nfs_cb cb, void *private_data, int update_pos) | |
dabf4152 AM |
1733 | { |
1734 | struct nfs_cb_data *data; | |
1735 | ||
1736 | data = malloc(sizeof(struct nfs_cb_data)); | |
1737 | if (data == NULL) { | |
1738 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
1739 | return -1; | |
1740 | } | |
5670ec6e | 1741 | memset(data, 0, sizeof(struct nfs_cb_data)); |
dabf4152 AM |
1742 | data->nfs = nfs; |
1743 | data->cb = cb; | |
1744 | data->private_data = private_data; | |
1745 | data->nfsfh = nfsfh; | |
f1f22dbf RRS |
1746 | data->org_offset = offset; |
1747 | data->org_count = count; | |
dabf4152 | 1748 | |
ee872606 | 1749 | assert(data->num_calls == 0); |
dabf4152 | 1750 | |
f1f22dbf RRS |
1751 | if (nfs->rpc->readahead && time(NULL) - nfsfh->ra.buf_ts > NFS_RA_TIMEOUT) { |
1752 | /* readahead cache timeout */ | |
1753 | nfs_ra_invalidate(nfsfh); | |
1754 | } | |
1755 | ||
1756 | if (nfs->rpc->readahead) { | |
1757 | if (offset >= nfsfh->ra.last_offset && | |
1758 | offset - NFS_BLKSIZE <= nfsfh->ra.fh_offset + nfsfh->ra.cur_ra) { | |
1759 | if (nfs->rpc->readahead > nfsfh->ra.cur_ra) { | |
1760 | nfsfh->ra.cur_ra <<= 1; | |
1761 | } | |
1762 | } else { | |
1763 | nfsfh->ra.cur_ra = NFS_BLKSIZE; | |
1764 | } | |
1765 | ||
1766 | nfsfh->ra.last_offset = offset; | |
1767 | ||
1768 | if (nfsfh->ra.buf_offset <= offset && | |
1769 | nfsfh->ra.buf_offset + nfsfh->ra.buf_count >= offset + count) { | |
1770 | /* serve request completely from cache */ | |
1771 | data->buffer = malloc(count); | |
1772 | if (data->buffer == NULL) { | |
1773 | free_nfs_cb_data(data); | |
1774 | return -ENOMEM; | |
1775 | } | |
1776 | memcpy(data->buffer, nfsfh->ra.buf + (offset - nfsfh->ra.buf_offset), count); | |
1777 | data->cb(count, nfs, data->buffer, data->private_data); | |
1778 | nfsfh->ra.fh_offset = offset + count; | |
1779 | free_nfs_cb_data(data); | |
1780 | return 0; | |
1781 | } | |
1782 | ||
1783 | /* align start offset to blocksize */ | |
1784 | count += offset & (NFS_BLKSIZE - 1); | |
1785 | offset &= ~(NFS_BLKSIZE - 1); | |
1786 | ||
1787 | /* align end offset to blocksize and add readahead */ | |
1788 | count += nfsfh->ra.cur_ra - 1; | |
1789 | count &= ~(NFS_BLKSIZE - 1); | |
1790 | ||
1791 | data->buffer = malloc(count); | |
1792 | if (data->buffer == NULL) { | |
1793 | free_nfs_cb_data(data); | |
1794 | return -ENOMEM; | |
1795 | } | |
1796 | data->offset = offset; | |
1797 | data->count = count; | |
1798 | ||
1799 | if (nfsfh->ra.buf_count && nfsfh->ra.buf_offset <= offset && | |
1800 | nfsfh->ra.buf_offset + nfsfh->ra.buf_count >= offset) { | |
1801 | /* serve request partially from cache */ | |
1802 | size_t overlap = (nfsfh->ra.buf_offset + nfsfh->ra.buf_count) - offset; | |
1803 | if (overlap > count) count = overlap; | |
1804 | memcpy(data->buffer, nfsfh->ra.buf + (offset - nfsfh->ra.buf_offset), overlap); | |
1805 | offset += overlap; | |
1806 | count -= overlap; | |
1807 | } | |
1808 | } else { | |
1809 | data->offset = offset; | |
1810 | data->count = count; | |
1811 | } | |
1812 | ||
1813 | data->max_offset = offset; | |
1814 | ||
ee872606 RRS |
1815 | /* chop requests into chunks of at most READMAX bytes if necessary. |
1816 | * we send all reads in parallel so that performance is still good. | |
dabf4152 | 1817 | */ |
ee872606 | 1818 | do { |
5670ec6e | 1819 | uint64_t readcount = count; |
dabf4152 | 1820 | struct nfs_mcb_data *mdata; |
ee872606 | 1821 | READ3args args; |
dabf4152 AM |
1822 | |
1823 | if (readcount > nfs_get_readmax(nfs)) { | |
1824 | readcount = nfs_get_readmax(nfs); | |
1825 | } | |
1826 | ||
1827 | mdata = malloc(sizeof(struct nfs_mcb_data)); | |
1828 | if (mdata == NULL) { | |
1829 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure"); | |
ee872606 RRS |
1830 | if (data->num_calls == 0) { |
1831 | free_nfs_cb_data(data); | |
1832 | return -1; | |
1833 | } | |
1834 | data->oom = 1; | |
1835 | break; | |
dabf4152 | 1836 | } |
5670ec6e | 1837 | memset(mdata, 0, sizeof(struct nfs_mcb_data)); |
dabf4152 AM |
1838 | mdata->data = data; |
1839 | mdata->offset = offset; | |
1840 | mdata->count = readcount; | |
f1f22dbf | 1841 | mdata->update_pos = update_pos; |
ee872606 RRS |
1842 | |
1843 | nfs_fill_READ3args(&args, nfsfh, offset, readcount); | |
1844 | ||
1845 | if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) != 0) { | |
dabf4152 | 1846 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); |
dabf4152 | 1847 | free(mdata); |
ee872606 RRS |
1848 | if (data->num_calls == 0) { |
1849 | free_nfs_cb_data(data); | |
1850 | return -1; | |
1851 | } | |
1852 | data->oom = 1; | |
1853 | break; | |
dabf4152 AM |
1854 | } |
1855 | ||
1856 | count -= readcount; | |
1857 | offset += readcount; | |
1858 | data->num_calls++; | |
ee872606 | 1859 | } while (count > 0); |
dabf4152 AM |
1860 | |
1861 | return 0; | |
1862 | } | |
1863 | ||
f1f22dbf RRS |
1864 | int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, nfs_cb cb, void *private_data) |
1865 | { | |
1866 | return nfs_pread_async_internal(nfs, nfsfh, offset, count, cb, private_data, 0); | |
1867 | } | |
1868 | ||
dabf4152 AM |
1869 | /* |
1870 | * Async read() | |
1871 | */ | |
5670ec6e | 1872 | int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, nfs_cb cb, void *private_data) |
dabf4152 | 1873 | { |
f1f22dbf | 1874 | return nfs_pread_async_internal(nfs, nfsfh, nfsfh->offset, count, cb, private_data, 1); |
dabf4152 AM |
1875 | } |
1876 | ||
1877 | ||
1878 | ||
1879 | /* | |
1880 | * Async pwrite() | |
1881 | */ | |
ee872606 RRS |
1882 | static void nfs_fill_WRITE3args (WRITE3args *args, struct nfsfh *fh, uint64_t offset, uint64_t count, |
1883 | void *buf) | |
dabf4152 | 1884 | { |
ee872606 RRS |
1885 | memset(args, 0, sizeof(WRITE3args)); |
1886 | args->file = fh->fh; | |
1887 | args->offset = offset; | |
1888 | args->count = count; | |
f1f22dbf | 1889 | args->stable = fh->is_sync ? FILE_SYNC : UNSTABLE; |
ee872606 RRS |
1890 | args->data.data_len = count; |
1891 | args->data.data_val = buf; | |
dabf4152 AM |
1892 | } |
1893 | ||
ee872606 | 1894 | static void nfs_pwrite_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
5670ec6e AM |
1895 | { |
1896 | struct nfs_mcb_data *mdata = private_data; | |
1897 | struct nfs_cb_data *data = mdata->data; | |
1898 | struct nfs_context *nfs = data->nfs; | |
1899 | WRITE3res *res; | |
1900 | ||
ee872606 RRS |
1901 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1902 | ||
5670ec6e AM |
1903 | data->num_calls--; |
1904 | ||
1905 | if (status == RPC_STATUS_ERROR) { | |
1906 | /* flag the failure but do not invoke callback until we have received all responses */ | |
1907 | data->error = 1; | |
1908 | } | |
1909 | if (status == RPC_STATUS_CANCEL) { | |
1910 | /* flag the cancellation but do not invoke callback until we have received all responses */ | |
1911 | data->cancel = 1; | |
1912 | } | |
1913 | ||
1914 | if (status == RPC_STATUS_SUCCESS) { | |
1915 | res = command_data; | |
1916 | if (res->status != NFS3_OK) { | |
1917 | rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1918 | data->error = 1; | |
1919 | } else { | |
f1f22dbf RRS |
1920 | uint64_t count = res->WRITE3res_u.resok.count; |
1921 | ||
1922 | if (mdata->update_pos) | |
1923 | data->nfsfh->offset += count; | |
1924 | ||
1925 | if (count < mdata->count) { | |
1926 | if (count == 0) { | |
ee872606 RRS |
1927 | rpc_set_error(nfs->rpc, "NFS: Write failed. No bytes written!"); |
1928 | data->error = 1; | |
1929 | } else { | |
1930 | /* reissue reminder of this write request */ | |
1931 | WRITE3args args; | |
f1f22dbf RRS |
1932 | mdata->offset += count; |
1933 | mdata->count -= count; | |
1934 | ||
ee872606 | 1935 | nfs_fill_WRITE3args(&args, data->nfsfh, mdata->offset, mdata->count, |
f1f22dbf | 1936 | &data->usrbuf[mdata->offset - data->offset]); |
ee872606 RRS |
1937 | if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) == 0) { |
1938 | data->num_calls++; | |
1939 | return; | |
1940 | } else { | |
1941 | rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path); | |
1942 | data->oom = 1; | |
1943 | } | |
1944 | } | |
1945 | } | |
f1f22dbf RRS |
1946 | if (count > 0) { |
1947 | if (data->max_offset < mdata->offset + count) { | |
1948 | data->max_offset = mdata->offset + count; | |
5670ec6e AM |
1949 | } |
1950 | } | |
1951 | } | |
1952 | } | |
1953 | ||
ee872606 RRS |
1954 | free(mdata); |
1955 | ||
5670ec6e AM |
1956 | if (data->num_calls > 0) { |
1957 | /* still waiting for more replies */ | |
5670ec6e AM |
1958 | return; |
1959 | } | |
ee872606 RRS |
1960 | if (data->oom != 0) { |
1961 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
1962 | free_nfs_cb_data(data); | |
1963 | return; | |
1964 | } | |
5670ec6e AM |
1965 | if (data->error != 0) { |
1966 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1967 | free_nfs_cb_data(data); | |
5670ec6e AM |
1968 | return; |
1969 | } | |
1970 | if (data->cancel != 0) { | |
1971 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1972 | free_nfs_cb_data(data); | |
5670ec6e AM |
1973 | return; |
1974 | } | |
1975 | ||
f1f22dbf | 1976 | data->cb(data->max_offset - data->offset, nfs, NULL, data->private_data); |
5670ec6e AM |
1977 | |
1978 | free_nfs_cb_data(data); | |
5670ec6e AM |
1979 | } |
1980 | ||
1981 | ||
f1f22dbf | 1982 | static int nfs_pwrite_async_internal(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, char *buf, nfs_cb cb, void *private_data, int update_pos) |
dabf4152 AM |
1983 | { |
1984 | struct nfs_cb_data *data; | |
1985 | ||
1986 | data = malloc(sizeof(struct nfs_cb_data)); | |
1987 | if (data == NULL) { | |
1988 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
1989 | return -1; | |
1990 | } | |
5670ec6e | 1991 | memset(data, 0, sizeof(struct nfs_cb_data)); |
dabf4152 AM |
1992 | data->nfs = nfs; |
1993 | data->cb = cb; | |
1994 | data->private_data = private_data; | |
1995 | data->nfsfh = nfsfh; | |
ee872606 | 1996 | data->usrbuf = buf; |
dabf4152 | 1997 | |
ee872606 RRS |
1998 | /* hello, clang-analyzer */ |
1999 | assert(data->num_calls == 0); | |
5670ec6e | 2000 | |
ee872606 RRS |
2001 | /* chop requests into chunks of at most WRITEMAX bytes if necessary. |
2002 | * we send all writes in parallel so that performance is still good. | |
5670ec6e AM |
2003 | */ |
2004 | data->max_offset = offset; | |
f1f22dbf | 2005 | data->offset = offset; |
5670ec6e | 2006 | |
ee872606 | 2007 | do { |
5670ec6e AM |
2008 | uint64_t writecount = count; |
2009 | struct nfs_mcb_data *mdata; | |
ee872606 | 2010 | WRITE3args args; |
5670ec6e AM |
2011 | |
2012 | if (writecount > nfs_get_writemax(nfs)) { | |
2013 | writecount = nfs_get_writemax(nfs); | |
2014 | } | |
2015 | ||
2016 | mdata = malloc(sizeof(struct nfs_mcb_data)); | |
2017 | if (mdata == NULL) { | |
2018 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure"); | |
ee872606 RRS |
2019 | if (data->num_calls == 0) { |
2020 | free_nfs_cb_data(data); | |
2021 | return -1; | |
2022 | } | |
2023 | data->oom = 1; | |
2024 | break; | |
5670ec6e AM |
2025 | } |
2026 | memset(mdata, 0, sizeof(struct nfs_mcb_data)); | |
2027 | mdata->data = data; | |
2028 | mdata->offset = offset; | |
2029 | mdata->count = writecount; | |
f1f22dbf | 2030 | mdata->update_pos = update_pos; |
5670ec6e | 2031 | |
f1f22dbf | 2032 | nfs_fill_WRITE3args(&args, nfsfh, offset, writecount, &buf[offset - data->offset]); |
ee872606 RRS |
2033 | |
2034 | if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) != 0) { | |
5670ec6e | 2035 | rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path); |
5670ec6e | 2036 | free(mdata); |
ee872606 RRS |
2037 | if (data->num_calls == 0) { |
2038 | free_nfs_cb_data(data); | |
2039 | return -1; | |
2040 | } | |
2041 | data->oom = 1; | |
2042 | break; | |
5670ec6e AM |
2043 | } |
2044 | ||
2045 | count -= writecount; | |
2046 | offset += writecount; | |
2047 | data->num_calls++; | |
ee872606 | 2048 | } while (count > 0); |
5670ec6e | 2049 | |
dabf4152 AM |
2050 | return 0; |
2051 | } | |
2052 | ||
f1f22dbf RRS |
2053 | int nfs_pwrite_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, char *buf, nfs_cb cb, void *private_data) |
2054 | { | |
2055 | return nfs_pwrite_async_internal(nfs, nfsfh, offset, count, buf, cb, private_data, 0); | |
2056 | } | |
2057 | ||
dabf4152 AM |
2058 | /* |
2059 | * Async write() | |
2060 | */ | |
f1f22dbf RRS |
2061 | static void nfs_write_append_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
2062 | { | |
2063 | struct nfs_cb_data *data = private_data; | |
2064 | struct nfs_context *nfs = data->nfs; | |
2065 | GETATTR3res *res; | |
2066 | ||
2067 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
2068 | ||
2069 | if (status == RPC_STATUS_ERROR) { | |
2070 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2071 | free_nfs_cb_data(data); | |
2072 | return; | |
2073 | } | |
2074 | if (status == RPC_STATUS_CANCEL) { | |
2075 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2076 | free_nfs_cb_data(data); | |
2077 | return; | |
2078 | } | |
2079 | ||
2080 | res = command_data; | |
2081 | if (res->status != NFS3_OK) { | |
2082 | rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2083 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2084 | free_nfs_cb_data(data); | |
2085 | return; | |
2086 | } | |
2087 | ||
2088 | if (nfs_pwrite_async_internal(nfs, data->nfsfh, res->GETATTR3res_u.resok.obj_attributes.size, data->count, data->usrbuf, data->cb, data->private_data, 1) != 0) { | |
2089 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2090 | free_nfs_cb_data(data); | |
2091 | return; | |
2092 | } | |
2093 | free_nfs_cb_data(data); | |
2094 | } | |
2095 | ||
5670ec6e | 2096 | int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data) |
dabf4152 | 2097 | { |
f1f22dbf RRS |
2098 | nfs_ra_invalidate(nfsfh); |
2099 | if (nfsfh->is_append) { | |
2100 | struct GETATTR3args args; | |
2101 | struct nfs_cb_data *data; | |
2102 | ||
2103 | data = malloc(sizeof(struct nfs_cb_data)); | |
2104 | if (data == NULL) { | |
2105 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
2106 | return -1; | |
2107 | } | |
2108 | memset(data, 0, sizeof(struct nfs_cb_data)); | |
2109 | data->nfs = nfs; | |
2110 | data->cb = cb; | |
2111 | data->private_data = private_data; | |
2112 | data->nfsfh = nfsfh; | |
2113 | data->usrbuf = buf; | |
2114 | data->count = count; | |
2115 | ||
2116 | memset(&args, 0, sizeof(GETATTR3args)); | |
2117 | args.object = nfsfh->fh; | |
2118 | ||
2119 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_write_append_cb, &args, data) != 0) { | |
2120 | rpc_set_error(nfs->rpc, "out of memory: failed to send GETATTR"); | |
2121 | free_nfs_cb_data(data); | |
2122 | return -1; | |
2123 | } | |
2124 | return 0; | |
2125 | } | |
2126 | return nfs_pwrite_async_internal(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data, 1); | |
dabf4152 AM |
2127 | } |
2128 | ||
2129 | ||
2130 | ||
2131 | ||
2132 | /* | |
2133 | * close | |
2134 | */ | |
ee872606 | 2135 | |
dabf4152 AM |
2136 | int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) |
2137 | { | |
2138 | if (nfsfh->fh.data.data_val != NULL){ | |
2139 | free(nfsfh->fh.data.data_val); | |
2140 | nfsfh->fh.data.data_val = NULL; | |
2141 | } | |
f1f22dbf | 2142 | free(nfsfh->ra.buf); |
dabf4152 AM |
2143 | free(nfsfh); |
2144 | ||
2145 | cb(0, nfs, NULL, private_data); | |
2146 | return 0; | |
2147 | }; | |
2148 | ||
2149 | ||
2150 | ||
2151 | ||
2152 | ||
2153 | /* | |
2154 | * Async fstat() | |
2155 | */ | |
2156 | int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
2157 | { | |
2158 | struct nfs_cb_data *data; | |
ee872606 | 2159 | struct GETATTR3args args; |
dabf4152 AM |
2160 | |
2161 | data = malloc(sizeof(struct nfs_cb_data)); | |
2162 | if (data == NULL) { | |
2163 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
2164 | return -1; | |
2165 | } | |
5670ec6e | 2166 | memset(data, 0, sizeof(struct nfs_cb_data)); |
dabf4152 AM |
2167 | data->nfs = nfs; |
2168 | data->cb = cb; | |
2169 | data->private_data = private_data; | |
2170 | ||
ee872606 RRS |
2171 | memset(&args, 0, sizeof(GETATTR3args)); |
2172 | args.object = nfsfh->fh; | |
2173 | ||
2174 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) { | |
dabf4152 AM |
2175 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); |
2176 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2177 | free_nfs_cb_data(data); | |
2178 | return -1; | |
2179 | } | |
2180 | return 0; | |
2181 | } | |
2182 | ||
2183 | ||
2184 | ||
2185 | /* | |
2186 | * Async fsync() | |
2187 | */ | |
ee872606 | 2188 | static void nfs_fsync_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
2189 | { |
2190 | struct nfs_cb_data *data = private_data; | |
2191 | struct nfs_context *nfs = data->nfs; | |
2192 | COMMIT3res *res; | |
2193 | ||
ee872606 RRS |
2194 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2195 | ||
dabf4152 AM |
2196 | if (status == RPC_STATUS_ERROR) { |
2197 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2198 | free_nfs_cb_data(data); | |
2199 | return; | |
2200 | } | |
2201 | if (status == RPC_STATUS_CANCEL) { | |
2202 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2203 | free_nfs_cb_data(data); | |
2204 | return; | |
2205 | } | |
2206 | ||
2207 | res = command_data; | |
2208 | if (res->status != NFS3_OK) { | |
2209 | rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2210 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2211 | free_nfs_cb_data(data); | |
2212 | return; | |
2213 | } | |
2214 | ||
2215 | data->cb(0, nfs, NULL, data->private_data); | |
2216 | free_nfs_cb_data(data); | |
2217 | } | |
2218 | ||
2219 | int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
2220 | { | |
2221 | struct nfs_cb_data *data; | |
ee872606 | 2222 | struct COMMIT3args args; |
dabf4152 AM |
2223 | |
2224 | data = malloc(sizeof(struct nfs_cb_data)); | |
2225 | if (data == NULL) { | |
2226 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
2227 | return -1; | |
2228 | } | |
5670ec6e | 2229 | memset(data, 0, sizeof(struct nfs_cb_data)); |
dabf4152 AM |
2230 | data->nfs = nfs; |
2231 | data->cb = cb; | |
2232 | data->private_data = private_data; | |
2233 | ||
ee872606 RRS |
2234 | args.file = nfsfh->fh; |
2235 | args.offset = 0; | |
2236 | args.count = 0; | |
2237 | if (rpc_nfs3_commit_async(nfs->rpc, nfs_fsync_cb, &args, data) != 0) { | |
dabf4152 AM |
2238 | rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path); |
2239 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2240 | free_nfs_cb_data(data); | |
2241 | return -1; | |
2242 | } | |
2243 | return 0; | |
2244 | } | |
2245 | ||
2246 | ||
2247 | ||
2248 | ||
2249 | /* | |
2250 | * Async ftruncate() | |
2251 | */ | |
ee872606 | 2252 | static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
2253 | { |
2254 | struct nfs_cb_data *data = private_data; | |
2255 | struct nfs_context *nfs = data->nfs; | |
2256 | SETATTR3res *res; | |
2257 | ||
ee872606 RRS |
2258 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2259 | ||
dabf4152 AM |
2260 | if (status == RPC_STATUS_ERROR) { |
2261 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2262 | free_nfs_cb_data(data); | |
2263 | return; | |
2264 | } | |
2265 | if (status == RPC_STATUS_CANCEL) { | |
2266 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2267 | free_nfs_cb_data(data); | |
2268 | return; | |
2269 | } | |
2270 | ||
2271 | res = command_data; | |
2272 | if (res->status != NFS3_OK) { | |
2273 | rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2274 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2275 | free_nfs_cb_data(data); | |
2276 | return; | |
2277 | } | |
2278 | ||
2279 | data->cb(0, nfs, NULL, data->private_data); | |
2280 | free_nfs_cb_data(data); | |
2281 | } | |
2282 | ||
5670ec6e | 2283 | int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data) |
dabf4152 AM |
2284 | { |
2285 | struct nfs_cb_data *data; | |
2286 | SETATTR3args args; | |
2287 | ||
2288 | data = malloc(sizeof(struct nfs_cb_data)); | |
2289 | if (data == NULL) { | |
2290 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
2291 | return -1; | |
2292 | } | |
5670ec6e | 2293 | memset(data, 0, sizeof(struct nfs_cb_data)); |
dabf4152 AM |
2294 | data->nfs = nfs; |
2295 | data->cb = cb; | |
2296 | data->private_data = private_data; | |
2297 | ||
5670ec6e | 2298 | memset(&args, 0, sizeof(SETATTR3args)); |
ee872606 | 2299 | args.object = nfsfh->fh; |
dabf4152 AM |
2300 | args.new_attributes.size.set_it = 1; |
2301 | args.new_attributes.size.set_size3_u.size = length; | |
2302 | ||
ee872606 | 2303 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) { |
dabf4152 AM |
2304 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
2305 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2306 | free_nfs_cb_data(data); | |
2307 | return -1; | |
2308 | } | |
2309 | return 0; | |
2310 | } | |
2311 | ||
2312 | ||
2313 | /* | |
2314 | * Async truncate() | |
2315 | */ | |
f1f22dbf | 2316 | static int nfs_truncate_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 | 2317 | { |
5670ec6e | 2318 | uint64_t offset = data->continue_int; |
dabf4152 AM |
2319 | struct nfsfh nfsfh; |
2320 | ||
ee872606 | 2321 | nfsfh.fh = data->fh; |
dabf4152 AM |
2322 | |
2323 | if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) { | |
2324 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
2325 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2326 | free_nfs_cb_data(data); | |
2327 | return -1; | |
2328 | } | |
2329 | free_nfs_cb_data(data); | |
2330 | return 0; | |
2331 | } | |
2332 | ||
5670ec6e | 2333 | int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data) |
dabf4152 | 2334 | { |
5670ec6e | 2335 | uint64_t offset; |
dabf4152 AM |
2336 | |
2337 | offset = length; | |
2338 | ||
2339 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) { | |
2340 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
2341 | return -1; | |
2342 | } | |
2343 | ||
2344 | return 0; | |
2345 | } | |
2346 | ||
2347 | ||
2348 | ||
2349 | ||
2350 | /* | |
2351 | * Async mkdir() | |
2352 | */ | |
ee872606 | 2353 | static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
2354 | { |
2355 | MKDIR3res *res; | |
2356 | struct nfs_cb_data *data = private_data; | |
2357 | struct nfs_context *nfs = data->nfs; | |
2358 | char *str = data->continue_data; | |
ee872606 RRS |
2359 | |
2360 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
2361 | ||
dabf4152 AM |
2362 | str = &str[strlen(str) + 1]; |
2363 | ||
2364 | if (status == RPC_STATUS_ERROR) { | |
2365 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2366 | free_nfs_cb_data(data); | |
2367 | return; | |
2368 | } | |
2369 | if (status == RPC_STATUS_CANCEL) { | |
2370 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2371 | free_nfs_cb_data(data); | |
2372 | return; | |
2373 | } | |
2374 | ||
2375 | res = command_data; | |
2376 | if (res->status != NFS3_OK) { | |
2377 | rpc_set_error(nfs->rpc, "NFS: MKDIR of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2378 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2379 | free_nfs_cb_data(data); | |
2380 | return; | |
2381 | } | |
2382 | ||
2383 | data->cb(0, nfs, NULL, data->private_data); | |
2384 | free_nfs_cb_data(data); | |
2385 | } | |
2386 | ||
f1f22dbf | 2387 | static int nfs_mkdir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
2388 | { |
2389 | char *str = data->continue_data; | |
fab61e3d AM |
2390 | MKDIR3args args; |
2391 | ||
dabf4152 AM |
2392 | str = &str[strlen(str) + 1]; |
2393 | ||
fab61e3d | 2394 | memset(&args, 0, sizeof(MKDIR3args)); |
ee872606 | 2395 | args.where.dir = data->fh; |
fab61e3d AM |
2396 | args.where.name = str; |
2397 | args.attributes.mode.set_it = 1; | |
2398 | args.attributes.mode.set_mode3_u.mode = 0755; | |
2399 | ||
ee872606 | 2400 | if (rpc_nfs3_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) { |
dabf4152 AM |
2401 | rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path); |
2402 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2403 | free_nfs_cb_data(data); | |
2404 | return -1; | |
2405 | } | |
2406 | return 0; | |
2407 | } | |
2408 | ||
2409 | int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
2410 | { | |
2411 | char *new_path; | |
2412 | char *ptr; | |
2413 | ||
2414 | new_path = strdup(path); | |
2415 | if (new_path == NULL) { | |
2416 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); | |
2417 | return -1; | |
2418 | } | |
2419 | ||
5670ec6e | 2420 | ptr = strrchr(new_path, '/'); |
dabf4152 | 2421 | if (ptr == NULL) { |
ee872606 | 2422 | free(new_path); |
dabf4152 AM |
2423 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
2424 | return -1; | |
2425 | } | |
2426 | *ptr = 0; | |
2427 | ||
2428 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
2429 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) { | |
2430 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component"); | |
2431 | return -1; | |
2432 | } | |
2433 | ||
2434 | return 0; | |
2435 | } | |
2436 | ||
2437 | ||
2438 | ||
2439 | ||
2440 | ||
2441 | /* | |
2442 | * Async rmdir() | |
2443 | */ | |
ee872606 | 2444 | static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
2445 | { |
2446 | RMDIR3res *res; | |
2447 | struct nfs_cb_data *data = private_data; | |
2448 | struct nfs_context *nfs = data->nfs; | |
2449 | char *str = data->continue_data; | |
ee872606 RRS |
2450 | |
2451 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
2452 | ||
dabf4152 AM |
2453 | str = &str[strlen(str) + 1]; |
2454 | ||
2455 | if (status == RPC_STATUS_ERROR) { | |
2456 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2457 | free_nfs_cb_data(data); | |
2458 | return; | |
2459 | } | |
2460 | if (status == RPC_STATUS_CANCEL) { | |
2461 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2462 | free_nfs_cb_data(data); | |
2463 | return; | |
2464 | } | |
2465 | ||
2466 | res = command_data; | |
2467 | if (res->status != NFS3_OK) { | |
2468 | rpc_set_error(nfs->rpc, "NFS: RMDIR of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2469 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2470 | free_nfs_cb_data(data); | |
2471 | return; | |
2472 | } | |
2473 | ||
2474 | data->cb(0, nfs, NULL, data->private_data); | |
2475 | free_nfs_cb_data(data); | |
2476 | } | |
2477 | ||
f1f22dbf | 2478 | static int nfs_rmdir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
2479 | { |
2480 | char *str = data->continue_data; | |
ee872606 RRS |
2481 | RMDIR3args args; |
2482 | ||
dabf4152 AM |
2483 | str = &str[strlen(str) + 1]; |
2484 | ||
ee872606 RRS |
2485 | args.object.dir = data->fh; |
2486 | args.object.name = str; | |
2487 | if (rpc_nfs3_rmdir_async(nfs->rpc, nfs_rmdir_cb, &args, data) != 0) { | |
dabf4152 AM |
2488 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path); |
2489 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2490 | free_nfs_cb_data(data); | |
2491 | return -1; | |
2492 | } | |
2493 | return 0; | |
2494 | } | |
2495 | ||
2496 | int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
2497 | { | |
2498 | char *new_path; | |
2499 | char *ptr; | |
2500 | ||
2501 | new_path = strdup(path); | |
2502 | if (new_path == NULL) { | |
2503 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); | |
2504 | return -1; | |
2505 | } | |
2506 | ||
5670ec6e | 2507 | ptr = strrchr(new_path, '/'); |
dabf4152 | 2508 | if (ptr == NULL) { |
ee872606 | 2509 | free(new_path); |
dabf4152 AM |
2510 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
2511 | return -1; | |
2512 | } | |
2513 | *ptr = 0; | |
2514 | ||
2515 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
2516 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) { | |
2517 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
2518 | return -1; | |
2519 | } | |
2520 | ||
2521 | return 0; | |
2522 | } | |
2523 | ||
2524 | ||
2525 | ||
2526 | ||
2527 | /* | |
2528 | * Async creat() | |
2529 | */ | |
ee872606 | 2530 | static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
2531 | { |
2532 | LOOKUP3res *res; | |
2533 | struct nfs_cb_data *data = private_data; | |
2534 | struct nfs_context *nfs = data->nfs; | |
2535 | struct nfsfh *nfsfh; | |
2536 | char *str = data->continue_data; | |
2537 | ||
ee872606 RRS |
2538 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2539 | ||
dabf4152 AM |
2540 | if (status == RPC_STATUS_ERROR) { |
2541 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2542 | free_nfs_cb_data(data); | |
2543 | return; | |
2544 | } | |
2545 | if (status == RPC_STATUS_CANCEL) { | |
2546 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2547 | free_nfs_cb_data(data); | |
2548 | return; | |
2549 | } | |
2550 | ||
2551 | str = &str[strlen(str) + 1]; | |
2552 | res = command_data; | |
2553 | if (res->status != NFS3_OK) { | |
2554 | rpc_set_error(nfs->rpc, "NFS: CREATE of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2555 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2556 | ||
2557 | return; | |
2558 | } | |
2559 | ||
2560 | nfsfh = malloc(sizeof(struct nfsfh)); | |
2561 | if (nfsfh == NULL) { | |
2562 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
2563 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2564 | free_nfs_cb_data(data); | |
2565 | return; | |
2566 | } | |
5670ec6e | 2567 | memset(nfsfh, 0, sizeof(struct nfsfh)); |
dabf4152 | 2568 | |
ee872606 RRS |
2569 | /* copy the filehandle */ |
2570 | nfsfh->fh.data.data_len = res->LOOKUP3res_u.resok.object.data.data_len; | |
2571 | nfsfh->fh.data.data_val = malloc(nfsfh->fh.data.data_len); | |
2572 | memcpy(nfsfh->fh.data.data_val, res->LOOKUP3res_u.resok.object.data.data_val, nfsfh->fh.data.data_len); | |
dabf4152 AM |
2573 | |
2574 | data->cb(0, nfs, nfsfh, data->private_data); | |
2575 | free_nfs_cb_data(data); | |
2576 | } | |
2577 | ||
2578 | ||
2579 | ||
ee872606 | 2580 | static void nfs_creat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
2581 | { |
2582 | CREATE3res *res; | |
2583 | struct nfs_cb_data *data = private_data; | |
2584 | struct nfs_context *nfs = data->nfs; | |
2585 | char *str = data->continue_data; | |
ee872606 RRS |
2586 | LOOKUP3args args; |
2587 | ||
2588 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
dabf4152 AM |
2589 | |
2590 | if (status == RPC_STATUS_ERROR) { | |
2591 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2592 | free_nfs_cb_data(data); | |
2593 | return; | |
2594 | } | |
2595 | if (status == RPC_STATUS_CANCEL) { | |
2596 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2597 | free_nfs_cb_data(data); | |
2598 | return; | |
2599 | } | |
2600 | ||
2601 | str = &str[strlen(str) + 1]; | |
2602 | res = command_data; | |
2603 | if (res->status != NFS3_OK) { | |
2604 | rpc_set_error(nfs->rpc, "NFS: CREATE of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2605 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
ee872606 | 2606 | free_nfs_cb_data(data); |
dabf4152 AM |
2607 | return; |
2608 | } | |
2609 | ||
ee872606 RRS |
2610 | memset(&args, 0, sizeof(LOOKUP3args)); |
2611 | args.what.dir = data->fh; | |
2612 | args.what.name = str; | |
2613 | ||
2614 | if (rpc_nfs3_lookup_async(nfs->rpc, nfs_create_2_cb, &args, data) != 0) { | |
dabf4152 AM |
2615 | rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str); |
2616 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2617 | free_nfs_cb_data(data); | |
2618 | return; | |
2619 | } | |
2620 | return; | |
2621 | } | |
2622 | ||
f1f22dbf | 2623 | static int nfs_creat_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
2624 | { |
2625 | char *str = data->continue_data; | |
fab61e3d AM |
2626 | CREATE3args args; |
2627 | ||
dabf4152 AM |
2628 | str = &str[strlen(str) + 1]; |
2629 | ||
fab61e3d | 2630 | memset(&args, 0, sizeof(CREATE3args)); |
ee872606 | 2631 | args.where.dir = data->fh; |
fab61e3d AM |
2632 | args.where.name = str; |
2633 | args.how.mode = UNCHECKED; | |
2634 | args.how.createhow3_u.obj_attributes.mode.set_it = 1; | |
2635 | args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = data->continue_int; | |
2636 | ||
ee872606 | 2637 | if (rpc_nfs3_create_async(nfs->rpc, nfs_creat_1_cb, &args, data) != 0) { |
dabf4152 AM |
2638 | rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str); |
2639 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2640 | free_nfs_cb_data(data); | |
2641 | return -1; | |
2642 | } | |
2643 | return 0; | |
2644 | } | |
2645 | ||
2646 | int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
2647 | { | |
2648 | char *new_path; | |
2649 | char *ptr; | |
2650 | ||
2651 | new_path = strdup(path); | |
2652 | if (new_path == NULL) { | |
2653 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); | |
2654 | return -1; | |
2655 | } | |
2656 | ||
5670ec6e | 2657 | ptr = strrchr(new_path, '/'); |
dabf4152 AM |
2658 | if (ptr == NULL) { |
2659 | rpc_set_error(nfs->rpc, "Invalid path %s", path); | |
ee872606 | 2660 | free(new_path); |
dabf4152 AM |
2661 | return -1; |
2662 | } | |
2663 | *ptr = 0; | |
2664 | ||
ee872606 | 2665 | /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */ |
dabf4152 AM |
2666 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) { |
2667 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
2668 | return -1; | |
2669 | } | |
2670 | ||
2671 | return 0; | |
2672 | } | |
2673 | ||
2674 | ||
2675 | ||
2676 | ||
2677 | /* | |
2678 | * Async unlink() | |
2679 | */ | |
ee872606 | 2680 | static void nfs_unlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
2681 | { |
2682 | REMOVE3res *res; | |
2683 | struct nfs_cb_data *data = private_data; | |
2684 | struct nfs_context *nfs = data->nfs; | |
2685 | char *str = data->continue_data; | |
ee872606 RRS |
2686 | |
2687 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
2688 | ||
dabf4152 AM |
2689 | str = &str[strlen(str) + 1]; |
2690 | ||
2691 | if (status == RPC_STATUS_ERROR) { | |
2692 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2693 | free_nfs_cb_data(data); | |
2694 | return; | |
2695 | } | |
2696 | if (status == RPC_STATUS_CANCEL) { | |
2697 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2698 | free_nfs_cb_data(data); | |
2699 | return; | |
2700 | } | |
2701 | ||
2702 | res = command_data; | |
2703 | if (res->status != NFS3_OK) { | |
2704 | rpc_set_error(nfs->rpc, "NFS: REMOVE of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2705 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2706 | free_nfs_cb_data(data); | |
2707 | return; | |
2708 | } | |
2709 | ||
2710 | data->cb(0, nfs, NULL, data->private_data); | |
2711 | free_nfs_cb_data(data); | |
2712 | } | |
2713 | ||
f1f22dbf | 2714 | static int nfs_unlink_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
2715 | { |
2716 | char *str = data->continue_data; | |
ee872606 RRS |
2717 | struct REMOVE3args args; |
2718 | ||
dabf4152 AM |
2719 | str = &str[strlen(str) + 1]; |
2720 | ||
ee872606 RRS |
2721 | args.object.dir = data->fh; |
2722 | args.object.name = str; | |
2723 | if (rpc_nfs3_remove_async(nfs->rpc, nfs_unlink_cb, &args, data) != 0) { | |
dabf4152 AM |
2724 | rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path); |
2725 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2726 | free_nfs_cb_data(data); | |
2727 | return -1; | |
2728 | } | |
2729 | return 0; | |
2730 | } | |
2731 | ||
2732 | int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
2733 | { | |
2734 | char *new_path; | |
2735 | char *ptr; | |
2736 | ||
2737 | new_path = strdup(path); | |
2738 | if (new_path == NULL) { | |
2739 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); | |
2740 | return -1; | |
2741 | } | |
2742 | ||
5670ec6e | 2743 | ptr = strrchr(new_path, '/'); |
dabf4152 | 2744 | if (ptr == NULL) { |
ee872606 | 2745 | free(new_path); |
dabf4152 AM |
2746 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
2747 | return -1; | |
2748 | } | |
2749 | *ptr = 0; | |
2750 | ||
2751 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
2752 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) { | |
2753 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
2754 | return -1; | |
2755 | } | |
2756 | ||
2757 | return 0; | |
2758 | } | |
2759 | ||
2760 | ||
5670ec6e AM |
2761 | /* |
2762 | * Async mknod() | |
2763 | */ | |
2764 | struct mknod_cb_data { | |
2765 | char *path; | |
2766 | int mode; | |
2767 | int major; | |
2768 | int minor; | |
2769 | }; | |
2770 | ||
2771 | static void free_mknod_cb_data(void *ptr) | |
2772 | { | |
2773 | struct mknod_cb_data *data = ptr; | |
2774 | ||
2775 | free(data->path); | |
2776 | free(data); | |
2777 | } | |
2778 | ||
ee872606 | 2779 | static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
5670ec6e AM |
2780 | { |
2781 | MKNOD3res *res; | |
2782 | struct nfs_cb_data *data = private_data; | |
2783 | struct nfs_context *nfs = data->nfs; | |
2784 | char *str = data->continue_data; | |
ee872606 RRS |
2785 | |
2786 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
2787 | ||
5670ec6e AM |
2788 | str = &str[strlen(str) + 1]; |
2789 | ||
2790 | if (status == RPC_STATUS_ERROR) { | |
2791 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2792 | free_nfs_cb_data(data); | |
2793 | return; | |
2794 | } | |
2795 | if (status == RPC_STATUS_CANCEL) { | |
2796 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2797 | free_nfs_cb_data(data); | |
2798 | return; | |
2799 | } | |
2800 | ||
2801 | res = command_data; | |
2802 | if (res->status != NFS3_OK) { | |
2803 | rpc_set_error(nfs->rpc, "NFS: MKNOD of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2804 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2805 | free_nfs_cb_data(data); | |
2806 | return; | |
2807 | } | |
2808 | ||
2809 | data->cb(0, nfs, NULL, data->private_data); | |
2810 | free_nfs_cb_data(data); | |
2811 | } | |
2812 | ||
f1f22dbf | 2813 | static int nfs_mknod_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
5670ec6e AM |
2814 | { |
2815 | struct mknod_cb_data *cb_data = data->continue_data; | |
2816 | char *str = cb_data->path; | |
ee872606 RRS |
2817 | MKNOD3args args; |
2818 | ||
5670ec6e AM |
2819 | str = &str[strlen(str) + 1]; |
2820 | ||
ee872606 RRS |
2821 | args.where.dir = data->fh; |
2822 | args.where.name = str; | |
2823 | switch (cb_data->mode & S_IFMT) { | |
2824 | case S_IFCHR: | |
2825 | args.what.type = NF3CHR; | |
2826 | args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_it = 1; | |
2827 | args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_mode3_u.mode = cb_data->mode & (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH); | |
2828 | args.what.mknoddata3_u.chr_device.spec.specdata1 = cb_data->major; | |
2829 | args.what.mknoddata3_u.chr_device.spec.specdata2 = cb_data->minor; | |
2830 | break; | |
2831 | case S_IFBLK: | |
2832 | args.what.type = NF3BLK; | |
2833 | args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_it = 1; | |
2834 | args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_mode3_u.mode = cb_data->mode & (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH); | |
2835 | args.what.mknoddata3_u.blk_device.spec.specdata1 = cb_data->major; | |
2836 | args.what.mknoddata3_u.blk_device.spec.specdata2 = cb_data->minor; | |
2837 | case S_IFSOCK: | |
2838 | args.what.type = NF3SOCK; | |
2839 | args.what.mknoddata3_u.sock_attributes.mode.set_it = 1; | |
2840 | args.what.mknoddata3_u.sock_attributes.mode.set_mode3_u.mode = cb_data->mode & (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH); | |
2841 | break; | |
2842 | case S_IFIFO: | |
2843 | args.what.type = NF3FIFO; | |
2844 | args.what.mknoddata3_u.pipe_attributes.mode.set_it = 1; | |
2845 | args.what.mknoddata3_u.pipe_attributes.mode.set_mode3_u.mode = cb_data->mode & (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH); | |
2846 | break; | |
2847 | default: | |
2848 | rpc_set_error(nfs->rpc, "Invalid file type for NFS3/MKNOD call"); | |
2849 | data->cb(-EINVAL, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2850 | free_nfs_cb_data(data); | |
2851 | return -1; | |
2852 | } | |
2853 | ||
2854 | if (rpc_nfs3_mknod_async(nfs->rpc, nfs_mknod_cb, &args, data) != 0) { | |
5670ec6e AM |
2855 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
2856 | free_nfs_cb_data(data); | |
2857 | return -1; | |
2858 | } | |
2859 | return 0; | |
2860 | } | |
2861 | ||
2862 | int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data) | |
2863 | { | |
2864 | char *ptr; | |
2865 | struct mknod_cb_data *cb_data; | |
2866 | ||
2867 | cb_data = malloc(sizeof(struct mknod_cb_data)); | |
2868 | if (cb_data == NULL) { | |
2869 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data"); | |
2870 | return -1; | |
2871 | } | |
2872 | ||
2873 | cb_data->path = strdup(path); | |
2874 | if (cb_data->path == NULL) { | |
2875 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); | |
ee872606 | 2876 | free(cb_data); |
5670ec6e AM |
2877 | return -1; |
2878 | } | |
dabf4152 | 2879 | |
5670ec6e AM |
2880 | ptr = strrchr(cb_data->path, '/'); |
2881 | if (ptr == NULL) { | |
2882 | rpc_set_error(nfs->rpc, "Invalid path %s", path); | |
ee872606 | 2883 | free_mknod_cb_data(cb_data); |
5670ec6e AM |
2884 | return -1; |
2885 | } | |
2886 | *ptr = 0; | |
dabf4152 | 2887 | |
5670ec6e AM |
2888 | cb_data->mode = mode; |
2889 | cb_data->major = major(dev); | |
2890 | cb_data->minor = minor(dev); | |
2891 | ||
2892 | /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
2893 | if (nfs_lookuppath_async(nfs, cb_data->path, cb, private_data, nfs_mknod_continue_internal, cb_data, free_mknod_cb_data, 0) != 0) { | |
2894 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
5670ec6e AM |
2895 | return -1; |
2896 | } | |
2897 | ||
2898 | return 0; | |
2899 | } | |
dabf4152 AM |
2900 | |
2901 | /* | |
2902 | * Async opendir() | |
2903 | */ | |
5670ec6e AM |
2904 | |
2905 | /* ReadDirPlus Emulation Callback data */ | |
2906 | struct rdpe_cb_data { | |
2907 | int getattrcount; | |
2908 | int status; | |
2909 | struct nfs_cb_data *data; | |
2910 | }; | |
2911 | ||
2912 | /* ReadDirPlus Emulation LOOKUP Callback data */ | |
2913 | struct rdpe_lookup_cb_data { | |
2914 | struct rdpe_cb_data *rdpe_cb_data; | |
2915 | struct nfsdirent *nfsdirent; | |
2916 | }; | |
2917 | ||
2918 | /* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */ | |
ee872606 | 2919 | static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
5670ec6e AM |
2920 | { |
2921 | LOOKUP3res *res = command_data; | |
2922 | struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data; | |
2923 | struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data; | |
2924 | struct nfs_cb_data *data = rdpe_cb_data->data; | |
2925 | struct nfsdir *nfsdir = data->continue_data; | |
2926 | struct nfs_context *nfs = data->nfs; | |
2927 | struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent; | |
2928 | ||
ee872606 RRS |
2929 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2930 | ||
5670ec6e AM |
2931 | free(rdpe_lookup_cb_data); |
2932 | ||
2933 | rdpe_cb_data->getattrcount--; | |
2934 | ||
2935 | if (status == RPC_STATUS_ERROR) { | |
ee872606 RRS |
2936 | rpc_set_error(nfs->rpc, "LOOKUP during READDIRPLUS emulation " |
2937 | "failed with RPC_STATUS_ERROR"); | |
5670ec6e AM |
2938 | rdpe_cb_data->status = RPC_STATUS_ERROR; |
2939 | } | |
2940 | if (status == RPC_STATUS_CANCEL) { | |
ee872606 RRS |
2941 | rpc_set_error(nfs->rpc, "LOOKUP during READDIRPLUS emulation " |
2942 | "failed with RPC_STATUS_CANCEL"); | |
5670ec6e AM |
2943 | rdpe_cb_data->status = RPC_STATUS_CANCEL; |
2944 | } | |
5670ec6e AM |
2945 | if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) { |
2946 | if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) { | |
2947 | fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes; | |
2948 | ||
2949 | nfsdirent->type = attributes->type; | |
2950 | nfsdirent->mode = attributes->mode; | |
2951 | nfsdirent->size = attributes->size; | |
2952 | ||
2953 | nfsdirent->atime.tv_sec = attributes->atime.seconds; | |
2954 | nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000; | |
2955 | nfsdirent->mtime.tv_sec = attributes->mtime.seconds; | |
2956 | nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000; | |
2957 | nfsdirent->ctime.tv_sec = attributes->ctime.seconds; | |
2958 | nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000; | |
ee872606 RRS |
2959 | nfsdirent->uid = attributes->uid; |
2960 | nfsdirent->gid = attributes->gid; | |
f1f22dbf | 2961 | nfsdirent->nlink = attributes->nlink; |
5670ec6e AM |
2962 | } |
2963 | } | |
2964 | ||
2965 | if (rdpe_cb_data->getattrcount == 0) { | |
2966 | if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) { | |
ee872606 RRS |
2967 | rpc_set_error(nfs->rpc, "READDIRPLUS emulation " |
2968 | "failed: %s", rpc_get_error(rpc)); | |
2969 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), | |
2970 | data->private_data); | |
5670ec6e AM |
2971 | nfs_free_nfsdir(nfsdir); |
2972 | } else { | |
2973 | data->cb(0, nfs, nfsdir, data->private_data); | |
2974 | } | |
2975 | free(rdpe_cb_data); | |
2976 | ||
2977 | data->continue_data = NULL; | |
2978 | free_nfs_cb_data(data); | |
2979 | } | |
2980 | } | |
2981 | ||
ee872606 | 2982 | static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 | 2983 | { |
5670ec6e | 2984 | READDIR3res *res = command_data; |
dabf4152 AM |
2985 | struct nfs_cb_data *data = private_data; |
2986 | struct nfs_context *nfs = data->nfs; | |
5670ec6e AM |
2987 | struct nfsdir *nfsdir = data->continue_data; |
2988 | struct nfsdirent *nfsdirent; | |
dabf4152 | 2989 | struct entry3 *entry; |
ee872606 | 2990 | uint64_t cookie = 0; |
5670ec6e | 2991 | struct rdpe_cb_data *rdpe_cb_data; |
ee872606 RRS |
2992 | |
2993 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
2994 | ||
dabf4152 AM |
2995 | if (status == RPC_STATUS_ERROR) { |
2996 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2997 | nfs_free_nfsdir(nfsdir); | |
2998 | data->continue_data = NULL; | |
2999 | free_nfs_cb_data(data); | |
3000 | return; | |
3001 | } | |
5670ec6e | 3002 | |
dabf4152 AM |
3003 | if (status == RPC_STATUS_CANCEL) { |
3004 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3005 | nfs_free_nfsdir(nfsdir); | |
3006 | data->continue_data = NULL; | |
3007 | free_nfs_cb_data(data); | |
3008 | return; | |
3009 | } | |
3010 | ||
dabf4152 AM |
3011 | if (res->status != NFS3_OK) { |
3012 | rpc_set_error(nfs->rpc, "NFS: READDIR of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3013 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3014 | nfs_free_nfsdir(nfsdir); | |
3015 | data->continue_data = NULL; | |
3016 | free_nfs_cb_data(data); | |
3017 | return; | |
3018 | } | |
3019 | ||
3020 | entry =res->READDIR3res_u.resok.reply.entries; | |
3021 | while (entry != NULL) { | |
dabf4152 AM |
3022 | nfsdirent = malloc(sizeof(struct nfsdirent)); |
3023 | if (nfsdirent == NULL) { | |
3024 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data); | |
3025 | nfs_free_nfsdir(nfsdir); | |
3026 | data->continue_data = NULL; | |
3027 | free_nfs_cb_data(data); | |
3028 | return; | |
3029 | } | |
5670ec6e | 3030 | memset(nfsdirent, 0, sizeof(struct nfsdirent)); |
dabf4152 AM |
3031 | nfsdirent->name = strdup(entry->name); |
3032 | if (nfsdirent->name == NULL) { | |
3033 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data); | |
ee872606 | 3034 | free(nfsdirent); |
dabf4152 AM |
3035 | nfs_free_nfsdir(nfsdir); |
3036 | data->continue_data = NULL; | |
3037 | free_nfs_cb_data(data); | |
3038 | return; | |
3039 | } | |
3040 | nfsdirent->inode = entry->fileid; | |
5670ec6e | 3041 | |
dabf4152 AM |
3042 | nfsdirent->next = nfsdir->entries; |
3043 | nfsdir->entries = nfsdirent; | |
3044 | ||
3045 | cookie = entry->cookie; | |
3046 | entry = entry->nextentry; | |
3047 | } | |
3048 | ||
3049 | if (res->READDIR3res_u.resok.reply.eof == 0) { | |
ee872606 RRS |
3050 | READDIR3args args; |
3051 | ||
3052 | args.dir = data->fh; | |
3053 | args.cookie = cookie; | |
3054 | memcpy(&args.cookieverf, res->READDIR3res_u.resok.cookieverf, sizeof(cookieverf3)); | |
3055 | args.count = 8192; | |
3056 | ||
3057 | if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) { | |
dabf4152 AM |
3058 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); |
3059 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3060 | nfs_free_nfsdir(nfsdir); | |
3061 | data->continue_data = NULL; | |
3062 | free_nfs_cb_data(data); | |
3063 | return; | |
3064 | } | |
3065 | return; | |
3066 | } | |
3067 | ||
f1f22dbf RRS |
3068 | if (res->READDIR3res_u.resok.dir_attributes.attributes_follow) |
3069 | nfsdir->attr = res->READDIR3res_u.resok.dir_attributes.post_op_attr_u.attributes; | |
3070 | ||
5670ec6e AM |
3071 | /* steal the dirhandle */ |
3072 | nfsdir->current = nfsdir->entries; | |
3073 | ||
f1f22dbf RRS |
3074 | if (nfsdir->entries) { |
3075 | rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data)); | |
3076 | rdpe_cb_data->getattrcount = 0; | |
3077 | rdpe_cb_data->status = RPC_STATUS_SUCCESS; | |
3078 | rdpe_cb_data->data = data; | |
3079 | for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) { | |
3080 | struct rdpe_lookup_cb_data *rdpe_lookup_cb_data; | |
3081 | LOOKUP3args args; | |
3082 | ||
3083 | rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data)); | |
3084 | rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data; | |
3085 | rdpe_lookup_cb_data->nfsdirent = nfsdirent; | |
3086 | ||
3087 | memset(&args, 0, sizeof(LOOKUP3args)); | |
3088 | args.what.dir = data->fh; | |
3089 | args.what.name = nfsdirent->name; | |
3090 | ||
3091 | if (rpc_nfs3_lookup_async(nfs->rpc, nfs_opendir3_cb, &args, rdpe_lookup_cb_data) != 0) { | |
3092 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call"); | |
3093 | ||
3094 | /* if we have already commands in flight, we cant just stop, we have to wait for the | |
3095 | * commands in flight to complete | |
3096 | */ | |
3097 | if (rdpe_cb_data->getattrcount > 0) { | |
3098 | nfs_free_nfsdir(nfsdir); | |
3099 | data->continue_data = NULL; | |
3100 | free_nfs_cb_data(data); | |
3101 | rdpe_cb_data->status = RPC_STATUS_ERROR; | |
3102 | free(rdpe_lookup_cb_data); | |
3103 | return; | |
3104 | } | |
3105 | ||
3106 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
ee872606 RRS |
3107 | nfs_free_nfsdir(nfsdir); |
3108 | data->continue_data = NULL; | |
3109 | free_nfs_cb_data(data); | |
5670ec6e | 3110 | free(rdpe_lookup_cb_data); |
f1f22dbf | 3111 | free(rdpe_cb_data); |
5670ec6e AM |
3112 | return; |
3113 | } | |
f1f22dbf | 3114 | rdpe_cb_data->getattrcount++; |
5670ec6e | 3115 | } |
5670ec6e AM |
3116 | } |
3117 | } | |
3118 | ||
ee872606 | 3119 | static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
5670ec6e AM |
3120 | { |
3121 | READDIRPLUS3res *res = command_data; | |
3122 | struct nfs_cb_data *data = private_data; | |
3123 | struct nfs_context *nfs = data->nfs; | |
3124 | struct nfsdir *nfsdir = data->continue_data; | |
3125 | struct entryplus3 *entry; | |
ee872606 RRS |
3126 | uint64_t cookie = 0; |
3127 | ||
3128 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
5670ec6e AM |
3129 | |
3130 | if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){ | |
ee872606 RRS |
3131 | READDIR3args args; |
3132 | ||
3133 | args.dir = data->fh; | |
3134 | args.cookie = cookie; | |
3135 | memset(&args.cookieverf, 0, sizeof(cookieverf3)); | |
3136 | args.count = 8192; | |
5670ec6e | 3137 | |
ee872606 | 3138 | if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) { |
5670ec6e AM |
3139 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); |
3140 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3141 | nfs_free_nfsdir(nfsdir); | |
3142 | data->continue_data = NULL; | |
3143 | free_nfs_cb_data(data); | |
3144 | return; | |
3145 | } | |
3146 | return; | |
3147 | } | |
3148 | ||
3149 | if (status == RPC_STATUS_CANCEL) { | |
3150 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3151 | nfs_free_nfsdir(nfsdir); | |
3152 | data->continue_data = NULL; | |
3153 | free_nfs_cb_data(data); | |
3154 | return; | |
3155 | } | |
3156 | ||
3157 | if (res->status != NFS3_OK) { | |
3158 | rpc_set_error(nfs->rpc, "NFS: READDIRPLUS of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3159 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3160 | nfs_free_nfsdir(nfsdir); | |
3161 | data->continue_data = NULL; | |
3162 | free_nfs_cb_data(data); | |
3163 | return; | |
3164 | } | |
3165 | ||
3166 | entry =res->READDIRPLUS3res_u.resok.reply.entries; | |
3167 | while (entry != NULL) { | |
3168 | struct nfsdirent *nfsdirent; | |
3169 | ||
3170 | nfsdirent = malloc(sizeof(struct nfsdirent)); | |
3171 | if (nfsdirent == NULL) { | |
3172 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data); | |
3173 | nfs_free_nfsdir(nfsdir); | |
3174 | data->continue_data = NULL; | |
3175 | free_nfs_cb_data(data); | |
3176 | return; | |
3177 | } | |
3178 | memset(nfsdirent, 0, sizeof(struct nfsdirent)); | |
3179 | nfsdirent->name = strdup(entry->name); | |
3180 | if (nfsdirent->name == NULL) { | |
3181 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data); | |
ee872606 | 3182 | free(nfsdirent); |
5670ec6e AM |
3183 | nfs_free_nfsdir(nfsdir); |
3184 | data->continue_data = NULL; | |
3185 | free_nfs_cb_data(data); | |
3186 | return; | |
3187 | } | |
3188 | nfsdirent->inode = entry->fileid; | |
3189 | if (entry->name_attributes.attributes_follow) { | |
3190 | nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type; | |
3191 | nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode; | |
3192 | nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size; | |
3193 | ||
3194 | nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds; | |
3195 | nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000; | |
3196 | nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds; | |
3197 | nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000; | |
3198 | nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds; | |
3199 | nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000; | |
ee872606 RRS |
3200 | nfsdirent->uid = entry->name_attributes.post_op_attr_u.attributes.uid; |
3201 | nfsdirent->gid = entry->name_attributes.post_op_attr_u.attributes.gid; | |
f1f22dbf | 3202 | nfsdirent->nlink = entry->name_attributes.post_op_attr_u.attributes.nlink; |
5670ec6e AM |
3203 | } |
3204 | ||
3205 | nfsdirent->next = nfsdir->entries; | |
3206 | nfsdir->entries = nfsdirent; | |
3207 | ||
3208 | cookie = entry->cookie; | |
3209 | entry = entry->nextentry; | |
3210 | } | |
3211 | ||
3212 | if (res->READDIRPLUS3res_u.resok.reply.eof == 0) { | |
ee872606 RRS |
3213 | READDIRPLUS3args args; |
3214 | ||
3215 | args.dir = data->fh; | |
3216 | args.cookie = cookie; | |
3217 | memcpy(&args.cookieverf, res->READDIRPLUS3res_u.resok.cookieverf, sizeof(cookieverf3)); | |
3218 | args.dircount = 8192; | |
3219 | args.maxcount = 8192; | |
3220 | ||
3221 | if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) { | |
5670ec6e AM |
3222 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path); |
3223 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3224 | nfs_free_nfsdir(nfsdir); | |
3225 | data->continue_data = NULL; | |
3226 | free_nfs_cb_data(data); | |
3227 | return; | |
3228 | } | |
3229 | return; | |
3230 | } | |
3231 | ||
f1f22dbf RRS |
3232 | if (res->READDIRPLUS3res_u.resok.dir_attributes.attributes_follow) |
3233 | nfsdir->attr = res->READDIRPLUS3res_u.resok.dir_attributes.post_op_attr_u.attributes; | |
3234 | ||
dabf4152 AM |
3235 | /* steal the dirhandle */ |
3236 | data->continue_data = NULL; | |
3237 | nfsdir->current = nfsdir->entries; | |
3238 | ||
3239 | data->cb(0, nfs, nfsdir, data->private_data); | |
3240 | free_nfs_cb_data(data); | |
3241 | } | |
3242 | ||
f1f22dbf | 3243 | static int nfs_opendir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 | 3244 | { |
ee872606 | 3245 | READDIRPLUS3args args; |
f1f22dbf RRS |
3246 | struct nfsdir *nfsdir = data->continue_data;; |
3247 | struct nfsdir *cached; | |
3248 | ||
3249 | cached = nfs_dircache_find(nfs, &data->fh); | |
3250 | if (cached) { | |
3251 | if (attr && attr->mtime.seconds == cached->attr.mtime.seconds) { | |
3252 | cached->current = cached->entries; | |
3253 | data->cb(0, nfs, cached, data->private_data); | |
3254 | free_nfs_cb_data(data); | |
3255 | return 0; | |
3256 | } else { | |
3257 | /* cache must be stale */ | |
3258 | nfs_free_nfsdir(cached); | |
3259 | } | |
3260 | } | |
3261 | ||
3262 | nfsdir->fh.data.data_len = data->fh.data.data_len; | |
3263 | nfsdir->fh.data.data_val = malloc(nfsdir->fh.data.data_len); | |
3264 | if (nfsdir->fh.data.data_val == NULL) { | |
3265 | rpc_set_error(nfs->rpc, "OOM when allocating fh for nfsdir"); | |
3266 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3267 | free_nfs_cb_data(data); | |
3268 | return -1; | |
3269 | } | |
3270 | memcpy(nfsdir->fh.data.data_val, data->fh.data.data_val, data->fh.data.data_len); | |
ee872606 RRS |
3271 | |
3272 | args.dir = data->fh; | |
3273 | args.cookie = 0; | |
3274 | memset(&args.cookieverf, 0, sizeof(cookieverf3)); | |
3275 | args.dircount = 8192; | |
3276 | args.maxcount = 8192; | |
3277 | if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) { | |
5670ec6e | 3278 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path); |
dabf4152 AM |
3279 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
3280 | free_nfs_cb_data(data); | |
3281 | return -1; | |
3282 | } | |
3283 | return 0; | |
3284 | } | |
3285 | ||
3286 | int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3287 | { | |
3288 | struct nfsdir *nfsdir; | |
3289 | ||
3290 | nfsdir = malloc(sizeof(struct nfsdir)); | |
3291 | if (nfsdir == NULL) { | |
3292 | rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir"); | |
3293 | return -1; | |
3294 | } | |
5670ec6e | 3295 | memset(nfsdir, 0, sizeof(struct nfsdir)); |
dabf4152 AM |
3296 | |
3297 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) { | |
3298 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
3299 | return -1; | |
3300 | } | |
3301 | ||
3302 | return 0; | |
3303 | } | |
3304 | ||
3305 | ||
3306 | struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir) | |
3307 | { | |
3308 | struct nfsdirent *nfsdirent = nfsdir->current; | |
3309 | ||
3310 | if (nfsdir->current != NULL) { | |
3311 | nfsdir->current = nfsdir->current->next; | |
3312 | } | |
3313 | return nfsdirent; | |
3314 | } | |
3315 | ||
3316 | ||
ee872606 RRS |
3317 | /* |
3318 | * closedir() | |
3319 | */ | |
f1f22dbf | 3320 | void nfs_closedir(struct nfs_context *nfs, struct nfsdir *nfsdir) |
dabf4152 | 3321 | { |
f1f22dbf | 3322 | nfs_dircache_add(nfs, nfsdir); |
dabf4152 AM |
3323 | } |
3324 | ||
3325 | ||
ee872606 RRS |
3326 | /* |
3327 | * getcwd() | |
3328 | */ | |
3329 | void nfs_getcwd(struct nfs_context *nfs, const char **cwd) | |
3330 | { | |
3331 | if (cwd) { | |
3332 | *cwd = nfs->cwd; | |
3333 | } | |
3334 | } | |
dabf4152 AM |
3335 | |
3336 | ||
3337 | /* | |
3338 | * Async lseek() | |
3339 | */ | |
3340 | struct lseek_cb_data { | |
3341 | struct nfs_context *nfs; | |
3342 | struct nfsfh *nfsfh; | |
f1f22dbf | 3343 | int64_t offset; |
dabf4152 AM |
3344 | nfs_cb cb; |
3345 | void *private_data; | |
3346 | }; | |
3347 | ||
ee872606 | 3348 | static void nfs_lseek_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
3349 | { |
3350 | GETATTR3res *res; | |
3351 | struct lseek_cb_data *data = private_data; | |
3352 | struct nfs_context *nfs = data->nfs; | |
f1f22dbf | 3353 | uint64_t size = 0; |
dabf4152 | 3354 | |
ee872606 RRS |
3355 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3356 | ||
dabf4152 AM |
3357 | if (status == RPC_STATUS_ERROR) { |
3358 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3359 | free(data); | |
3360 | return; | |
3361 | } | |
3362 | if (status == RPC_STATUS_CANCEL) { | |
3363 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3364 | free(data); | |
3365 | return; | |
3366 | } | |
3367 | ||
3368 | res = command_data; | |
3369 | if (res->status != NFS3_OK) { | |
3370 | rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3371 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3372 | free(data); | |
3373 | return; | |
3374 | } | |
3375 | ||
f1f22dbf RRS |
3376 | size = res->GETATTR3res_u.resok.obj_attributes.size; |
3377 | ||
3378 | if (data->offset < 0 && | |
3379 | (uint64_t)(-data->offset) > size) { | |
3380 | data->cb(-EINVAL, nfs, &data->nfsfh->offset, data->private_data); | |
3381 | } else { | |
3382 | data->nfsfh->offset = data->offset + size; | |
3383 | data->cb(0, nfs, &data->nfsfh->offset, data->private_data); | |
3384 | } | |
3385 | ||
dabf4152 AM |
3386 | free(data); |
3387 | } | |
3388 | ||
f1f22dbf | 3389 | int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int64_t offset, int whence, nfs_cb cb, void *private_data) |
dabf4152 AM |
3390 | { |
3391 | struct lseek_cb_data *data; | |
ee872606 | 3392 | struct GETATTR3args args; |
dabf4152 AM |
3393 | |
3394 | if (whence == SEEK_SET) { | |
f1f22dbf RRS |
3395 | if (offset < 0) { |
3396 | cb(-EINVAL, nfs, &nfsfh->offset, private_data); | |
3397 | } else { | |
3398 | nfsfh->offset = offset; | |
3399 | cb(0, nfs, &nfsfh->offset, private_data); | |
3400 | } | |
dabf4152 AM |
3401 | return 0; |
3402 | } | |
3403 | if (whence == SEEK_CUR) { | |
f1f22dbf RRS |
3404 | if (offset < 0 && |
3405 | nfsfh->offset < (uint64_t)(-offset)) { | |
3406 | cb(-EINVAL, nfs, &nfsfh->offset, private_data); | |
3407 | } else { | |
3408 | nfsfh->offset += offset; | |
3409 | cb(0, nfs, &nfsfh->offset, private_data); | |
3410 | } | |
dabf4152 AM |
3411 | return 0; |
3412 | } | |
3413 | ||
3414 | data = malloc(sizeof(struct lseek_cb_data)); | |
3415 | if (data == NULL) { | |
3416 | rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data"); | |
3417 | return -1; | |
3418 | } | |
3419 | ||
3420 | data->nfs = nfs; | |
3421 | data->nfsfh = nfsfh; | |
3422 | data->offset = offset; | |
3423 | data->cb = cb; | |
3424 | data->private_data = private_data; | |
3425 | ||
ee872606 RRS |
3426 | memset(&args, 0, sizeof(GETATTR3args)); |
3427 | args.object = nfsfh->fh; | |
3428 | ||
3429 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lseek_1_cb, &args, data) != 0) { | |
dabf4152 AM |
3430 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call"); |
3431 | free(data); | |
3432 | return -1; | |
3433 | } | |
3434 | return 0; | |
3435 | } | |
3436 | ||
3437 | ||
3438 | ||
3439 | ||
3440 | /* | |
3441 | * Async statvfs() | |
3442 | */ | |
ee872606 | 3443 | static void nfs_statvfs_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
3444 | { |
3445 | FSSTAT3res *res; | |
3446 | struct nfs_cb_data *data = private_data; | |
3447 | struct nfs_context *nfs = data->nfs; | |
3448 | struct statvfs svfs; | |
3449 | ||
ee872606 RRS |
3450 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3451 | ||
dabf4152 AM |
3452 | if (status == RPC_STATUS_ERROR) { |
3453 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3454 | free_nfs_cb_data(data); | |
3455 | return; | |
3456 | } | |
3457 | if (status == RPC_STATUS_CANCEL) { | |
3458 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3459 | free_nfs_cb_data(data); | |
3460 | return; | |
3461 | } | |
3462 | ||
3463 | res = command_data; | |
3464 | if (res->status != NFS3_OK) { | |
3465 | rpc_set_error(nfs->rpc, "NFS: FSSTAT of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3466 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3467 | free_nfs_cb_data(data); | |
3468 | return; | |
3469 | } | |
3470 | ||
f1f22dbf RRS |
3471 | svfs.f_bsize = NFS_BLKSIZE; |
3472 | svfs.f_frsize = NFS_BLKSIZE; | |
3473 | svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/NFS_BLKSIZE; | |
3474 | svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/NFS_BLKSIZE; | |
3475 | svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/NFS_BLKSIZE; | |
dabf4152 AM |
3476 | svfs.f_files = res->FSSTAT3res_u.resok.tfiles; |
3477 | svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles; | |
ee872606 | 3478 | #if !defined(ANDROID) |
dabf4152 AM |
3479 | svfs.f_favail = res->FSSTAT3res_u.resok.afiles; |
3480 | svfs.f_fsid = 0; | |
3481 | svfs.f_flag = 0; | |
3482 | svfs.f_namemax = 256; | |
ee872606 | 3483 | #endif |
dabf4152 AM |
3484 | |
3485 | data->cb(0, nfs, &svfs, data->private_data); | |
3486 | free_nfs_cb_data(data); | |
3487 | } | |
3488 | ||
f1f22dbf | 3489 | static int nfs_statvfs_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 | 3490 | { |
ee872606 RRS |
3491 | FSSTAT3args args; |
3492 | ||
3493 | args.fsroot = data->fh; | |
3494 | if (rpc_nfs3_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &args, data) != 0) { | |
dabf4152 AM |
3495 | rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path); |
3496 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3497 | free_nfs_cb_data(data); | |
3498 | return -1; | |
3499 | } | |
3500 | return 0; | |
3501 | } | |
3502 | ||
3503 | int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3504 | { | |
3505 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) { | |
3506 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
3507 | return -1; | |
3508 | } | |
3509 | ||
3510 | return 0; | |
3511 | } | |
3512 | ||
3513 | ||
3514 | ||
3515 | ||
3516 | /* | |
3517 | * Async readlink() | |
3518 | */ | |
ee872606 | 3519 | static void nfs_readlink_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
3520 | { |
3521 | READLINK3res *res; | |
3522 | struct nfs_cb_data *data = private_data; | |
3523 | struct nfs_context *nfs = data->nfs; | |
3524 | ||
ee872606 RRS |
3525 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3526 | ||
dabf4152 AM |
3527 | if (status == RPC_STATUS_ERROR) { |
3528 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3529 | free_nfs_cb_data(data); | |
3530 | return; | |
3531 | } | |
3532 | if (status == RPC_STATUS_CANCEL) { | |
3533 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3534 | free_nfs_cb_data(data); | |
3535 | return; | |
3536 | } | |
3537 | ||
3538 | res = command_data; | |
3539 | if (res->status != NFS3_OK) { | |
3540 | rpc_set_error(nfs->rpc, "NFS: READLINK of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3541 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3542 | free_nfs_cb_data(data); | |
3543 | return; | |
3544 | } | |
3545 | ||
ee872606 | 3546 | |
dabf4152 AM |
3547 | data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data); |
3548 | free_nfs_cb_data(data); | |
3549 | } | |
3550 | ||
f1f22dbf | 3551 | static int nfs_readlink_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 | 3552 | { |
fab61e3d AM |
3553 | READLINK3args args; |
3554 | ||
ee872606 | 3555 | args.symlink = data->fh; |
fab61e3d | 3556 | |
ee872606 | 3557 | if (rpc_nfs3_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) { |
dabf4152 AM |
3558 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path); |
3559 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3560 | free_nfs_cb_data(data); | |
3561 | return -1; | |
3562 | } | |
3563 | return 0; | |
3564 | } | |
3565 | ||
3566 | int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3567 | { | |
3568 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) { | |
3569 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
3570 | return -1; | |
3571 | } | |
3572 | ||
3573 | return 0; | |
3574 | } | |
3575 | ||
3576 | ||
3577 | ||
3578 | ||
3579 | /* | |
3580 | * Async chmod() | |
3581 | */ | |
ee872606 | 3582 | static void nfs_chmod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
3583 | { |
3584 | struct nfs_cb_data *data = private_data; | |
3585 | struct nfs_context *nfs = data->nfs; | |
3586 | SETATTR3res *res; | |
3587 | ||
ee872606 RRS |
3588 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3589 | ||
dabf4152 AM |
3590 | if (status == RPC_STATUS_ERROR) { |
3591 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3592 | free_nfs_cb_data(data); | |
3593 | return; | |
3594 | } | |
3595 | if (status == RPC_STATUS_CANCEL) { | |
3596 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3597 | free_nfs_cb_data(data); | |
3598 | return; | |
3599 | } | |
3600 | ||
3601 | res = command_data; | |
3602 | if (res->status != NFS3_OK) { | |
3603 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3604 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3605 | free_nfs_cb_data(data); | |
3606 | return; | |
3607 | } | |
3608 | ||
3609 | data->cb(0, nfs, NULL, data->private_data); | |
3610 | free_nfs_cb_data(data); | |
3611 | } | |
3612 | ||
f1f22dbf | 3613 | static int nfs_chmod_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
3614 | { |
3615 | SETATTR3args args; | |
3616 | ||
5670ec6e | 3617 | memset(&args, 0, sizeof(SETATTR3args)); |
ee872606 | 3618 | args.object = data->fh; |
dabf4152 AM |
3619 | args.new_attributes.mode.set_it = 1; |
3620 | args.new_attributes.mode.set_mode3_u.mode = data->continue_int; | |
3621 | ||
ee872606 | 3622 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) { |
dabf4152 AM |
3623 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
3624 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3625 | free_nfs_cb_data(data); | |
3626 | return -1; | |
3627 | } | |
3628 | return 0; | |
3629 | } | |
3630 | ||
3631 | ||
3632 | int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
3633 | { | |
3634 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) { | |
3635 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
3636 | return -1; | |
3637 | } | |
3638 | ||
3639 | return 0; | |
3640 | } | |
3641 | ||
3642 | /* | |
3643 | * Async fchmod() | |
3644 | */ | |
3645 | int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data) | |
3646 | { | |
3647 | struct nfs_cb_data *data; | |
3648 | ||
3649 | data = malloc(sizeof(struct nfs_cb_data)); | |
3650 | if (data == NULL) { | |
3651 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data"); | |
3652 | return -1; | |
3653 | } | |
5670ec6e | 3654 | memset(data, 0, sizeof(struct nfs_cb_data)); |
dabf4152 AM |
3655 | data->nfs = nfs; |
3656 | data->cb = cb; | |
3657 | data->private_data = private_data; | |
3658 | data->continue_int = mode; | |
3659 | data->fh.data.data_len = nfsfh->fh.data.data_len; | |
3660 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
3661 | if (data->fh.data.data_val == NULL) { | |
3662 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
3663 | free_nfs_cb_data(data); | |
3664 | return -1; | |
3665 | } | |
3666 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
3667 | ||
f1f22dbf | 3668 | if (nfs_chmod_continue_internal(nfs, NULL, data) != 0) { |
dabf4152 AM |
3669 | return -1; |
3670 | } | |
3671 | ||
3672 | return 0; | |
3673 | } | |
3674 | ||
3675 | ||
3676 | ||
3677 | /* | |
3678 | * Async chown() | |
3679 | */ | |
ee872606 | 3680 | static void nfs_chown_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
3681 | { |
3682 | struct nfs_cb_data *data = private_data; | |
3683 | struct nfs_context *nfs = data->nfs; | |
3684 | SETATTR3res *res; | |
3685 | ||
ee872606 RRS |
3686 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3687 | ||
dabf4152 AM |
3688 | if (status == RPC_STATUS_ERROR) { |
3689 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3690 | free_nfs_cb_data(data); | |
3691 | return; | |
3692 | } | |
3693 | if (status == RPC_STATUS_CANCEL) { | |
3694 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3695 | free_nfs_cb_data(data); | |
3696 | return; | |
3697 | } | |
3698 | ||
3699 | res = command_data; | |
3700 | if (res->status != NFS3_OK) { | |
3701 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3702 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3703 | free_nfs_cb_data(data); | |
3704 | return; | |
3705 | } | |
3706 | ||
3707 | data->cb(0, nfs, NULL, data->private_data); | |
3708 | free_nfs_cb_data(data); | |
3709 | } | |
3710 | ||
3711 | struct nfs_chown_data { | |
3712 | uid_t uid; | |
3713 | gid_t gid; | |
3714 | }; | |
3715 | ||
f1f22dbf | 3716 | static int nfs_chown_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
3717 | { |
3718 | SETATTR3args args; | |
3719 | struct nfs_chown_data *chown_data = data->continue_data; | |
3720 | ||
5670ec6e | 3721 | memset(&args, 0, sizeof(SETATTR3args)); |
ee872606 | 3722 | args.object = data->fh; |
dabf4152 AM |
3723 | if (chown_data->uid != (uid_t)-1) { |
3724 | args.new_attributes.uid.set_it = 1; | |
3725 | args.new_attributes.uid.set_uid3_u.uid = chown_data->uid; | |
3726 | } | |
3727 | if (chown_data->gid != (gid_t)-1) { | |
3728 | args.new_attributes.gid.set_it = 1; | |
3729 | args.new_attributes.gid.set_gid3_u.gid = chown_data->gid; | |
3730 | } | |
3731 | ||
ee872606 | 3732 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) { |
dabf4152 AM |
3733 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
3734 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3735 | free_nfs_cb_data(data); | |
3736 | return -1; | |
3737 | } | |
3738 | return 0; | |
3739 | } | |
3740 | ||
3741 | ||
3742 | int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data) | |
3743 | { | |
3744 | struct nfs_chown_data *chown_data; | |
3745 | ||
3746 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
3747 | if (chown_data == NULL) { | |
3748 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); | |
3749 | return -1; | |
3750 | } | |
3751 | ||
3752 | chown_data->uid = uid; | |
3753 | chown_data->gid = gid; | |
3754 | ||
3755 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) { | |
3756 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
3757 | return -1; | |
3758 | } | |
3759 | ||
3760 | return 0; | |
3761 | } | |
3762 | ||
3763 | ||
3764 | /* | |
3765 | * Async fchown() | |
3766 | */ | |
3767 | int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data) | |
3768 | { | |
3769 | struct nfs_cb_data *data; | |
3770 | struct nfs_chown_data *chown_data; | |
3771 | ||
3772 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
3773 | if (chown_data == NULL) { | |
3774 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); | |
3775 | return -1; | |
3776 | } | |
3777 | ||
3778 | chown_data->uid = uid; | |
3779 | chown_data->gid = gid; | |
3780 | ||
dabf4152 AM |
3781 | data = malloc(sizeof(struct nfs_cb_data)); |
3782 | if (data == NULL) { | |
3783 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data"); | |
ee872606 | 3784 | free(chown_data); |
dabf4152 AM |
3785 | return -1; |
3786 | } | |
5670ec6e | 3787 | memset(data, 0, sizeof(struct nfs_cb_data)); |
dabf4152 AM |
3788 | data->nfs = nfs; |
3789 | data->cb = cb; | |
3790 | data->private_data = private_data; | |
3791 | data->continue_data = chown_data; | |
ee872606 | 3792 | data->free_continue_data = free; |
dabf4152 AM |
3793 | data->fh.data.data_len = nfsfh->fh.data.data_len; |
3794 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
3795 | if (data->fh.data.data_val == NULL) { | |
3796 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
3797 | free_nfs_cb_data(data); | |
3798 | return -1; | |
3799 | } | |
3800 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
3801 | ||
f1f22dbf | 3802 | if (nfs_chown_continue_internal(nfs, NULL, data) != 0) { |
dabf4152 AM |
3803 | return -1; |
3804 | } | |
3805 | ||
3806 | return 0; | |
3807 | } | |
3808 | ||
3809 | ||
3810 | ||
3811 | ||
3812 | ||
3813 | /* | |
3814 | * Async utimes() | |
3815 | */ | |
ee872606 | 3816 | static void nfs_utimes_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
3817 | { |
3818 | struct nfs_cb_data *data = private_data; | |
3819 | struct nfs_context *nfs = data->nfs; | |
3820 | SETATTR3res *res; | |
3821 | ||
ee872606 RRS |
3822 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3823 | ||
dabf4152 AM |
3824 | if (status == RPC_STATUS_ERROR) { |
3825 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3826 | free_nfs_cb_data(data); | |
3827 | return; | |
3828 | } | |
3829 | if (status == RPC_STATUS_CANCEL) { | |
3830 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3831 | free_nfs_cb_data(data); | |
3832 | return; | |
3833 | } | |
3834 | ||
3835 | res = command_data; | |
3836 | if (res->status != NFS3_OK) { | |
3837 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3838 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3839 | free_nfs_cb_data(data); | |
3840 | return; | |
3841 | } | |
3842 | ||
3843 | data->cb(0, nfs, NULL, data->private_data); | |
3844 | free_nfs_cb_data(data); | |
3845 | } | |
3846 | ||
f1f22dbf | 3847 | static int nfs_utimes_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
3848 | { |
3849 | SETATTR3args args; | |
3850 | struct timeval *utimes_data = data->continue_data; | |
3851 | ||
5670ec6e | 3852 | memset(&args, 0, sizeof(SETATTR3args)); |
ee872606 | 3853 | args.object = data->fh; |
dabf4152 AM |
3854 | if (utimes_data != NULL) { |
3855 | args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME; | |
3856 | args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec; | |
3857 | args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000; | |
3858 | args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME; | |
3859 | args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec; | |
3860 | args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000; | |
3861 | } else { | |
3862 | args.new_attributes.atime.set_it = SET_TO_SERVER_TIME; | |
3863 | args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME; | |
3864 | } | |
3865 | ||
ee872606 | 3866 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) { |
dabf4152 AM |
3867 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
3868 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3869 | free_nfs_cb_data(data); | |
3870 | return -1; | |
3871 | } | |
3872 | return 0; | |
3873 | } | |
3874 | ||
3875 | ||
3876 | int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data) | |
3877 | { | |
3878 | struct timeval *new_times = NULL; | |
3879 | ||
3880 | if (times != NULL) { | |
3881 | new_times = malloc(sizeof(struct timeval)*2); | |
3882 | if (new_times == NULL) { | |
3883 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); | |
3884 | return -1; | |
3885 | } | |
3886 | ||
3887 | memcpy(new_times, times, sizeof(struct timeval)*2); | |
3888 | } | |
3889 | ||
3890 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { | |
3891 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
3892 | return -1; | |
3893 | } | |
3894 | ||
3895 | return 0; | |
3896 | } | |
3897 | ||
3898 | /* | |
3899 | * Async utime() | |
3900 | */ | |
3901 | int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data) | |
3902 | { | |
3903 | struct timeval *new_times = NULL; | |
3904 | ||
3905 | if (times != NULL) { | |
3906 | new_times = malloc(sizeof(struct timeval)*2); | |
3907 | if (new_times == NULL) { | |
3908 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); | |
3909 | return -1; | |
3910 | } | |
3911 | ||
3912 | new_times[0].tv_sec = times->actime; | |
3913 | new_times[0].tv_usec = 0; | |
3914 | new_times[1].tv_sec = times->modtime; | |
3915 | new_times[1].tv_usec = 0; | |
3916 | } | |
3917 | ||
3918 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { | |
3919 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
3920 | return -1; | |
3921 | } | |
3922 | ||
3923 | return 0; | |
3924 | } | |
3925 | ||
3926 | ||
dabf4152 AM |
3927 | /* |
3928 | * Async access() | |
3929 | */ | |
ee872606 | 3930 | static void nfs_access_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
3931 | { |
3932 | ACCESS3res *res; | |
3933 | struct nfs_cb_data *data = private_data; | |
3934 | struct nfs_context *nfs = data->nfs; | |
3935 | unsigned int nfsmode = 0; | |
3936 | ||
ee872606 RRS |
3937 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3938 | ||
dabf4152 AM |
3939 | if (status == RPC_STATUS_ERROR) { |
3940 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3941 | free_nfs_cb_data(data); | |
3942 | return; | |
3943 | } | |
3944 | if (status == RPC_STATUS_CANCEL) { | |
3945 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3946 | free_nfs_cb_data(data); | |
3947 | return; | |
3948 | } | |
3949 | ||
3950 | res = command_data; | |
3951 | if (res->status != NFS3_OK) { | |
3952 | rpc_set_error(nfs->rpc, "NFS: ACCESS of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3953 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3954 | free_nfs_cb_data(data); | |
3955 | return; | |
3956 | } | |
3957 | ||
3958 | if (data->continue_int & R_OK) { | |
3959 | nfsmode |= ACCESS3_READ; | |
3960 | } | |
3961 | if (data->continue_int & W_OK) { | |
3962 | nfsmode |= ACCESS3_MODIFY; | |
3963 | } | |
3964 | if (data->continue_int & X_OK) { | |
3965 | nfsmode |= ACCESS3_EXECUTE; | |
3966 | } | |
3967 | ||
3968 | if (res->ACCESS3res_u.resok.access != nfsmode) { | |
3969 | rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c", | |
3970 | nfsmode&ACCESS3_READ?'r':'-', | |
3971 | nfsmode&ACCESS3_MODIFY?'w':'-', | |
3972 | nfsmode&ACCESS3_EXECUTE?'x':'-', | |
3973 | res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-', | |
3974 | res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-', | |
3975 | res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-'); | |
3976 | data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3977 | free_nfs_cb_data(data); | |
3978 | return; | |
3979 | } | |
3980 | ||
3981 | data->cb(0, nfs, NULL, data->private_data); | |
3982 | free_nfs_cb_data(data); | |
3983 | } | |
3984 | ||
f1f22dbf | 3985 | static int nfs_access_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
3986 | { |
3987 | int nfsmode = 0; | |
ee872606 | 3988 | ACCESS3args args; |
dabf4152 AM |
3989 | |
3990 | if (data->continue_int & R_OK) { | |
3991 | nfsmode |= ACCESS3_READ; | |
3992 | } | |
3993 | if (data->continue_int & W_OK) { | |
3994 | nfsmode |= ACCESS3_MODIFY; | |
3995 | } | |
3996 | if (data->continue_int & X_OK) { | |
3997 | nfsmode |= ACCESS3_EXECUTE; | |
3998 | } | |
3999 | ||
ee872606 RRS |
4000 | memset(&args, 0, sizeof(ACCESS3args)); |
4001 | args.object = data->fh; | |
4002 | args.access = nfsmode; | |
4003 | ||
4004 | if (rpc_nfs3_access_async(nfs->rpc, nfs_access_cb, &args, data) != 0) { | |
dabf4152 AM |
4005 | rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path); |
4006 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4007 | free_nfs_cb_data(data); | |
4008 | return -1; | |
4009 | } | |
4010 | return 0; | |
4011 | } | |
4012 | ||
4013 | int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
4014 | { | |
4015 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) { | |
4016 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
4017 | return -1; | |
4018 | } | |
4019 | ||
4020 | return 0; | |
4021 | } | |
4022 | ||
4023 | ||
4024 | ||
4025 | /* | |
4026 | * Async symlink() | |
4027 | */ | |
4028 | struct nfs_symlink_data { | |
4029 | char *oldpath; | |
4030 | char *newpathparent; | |
4031 | char *newpathobject; | |
4032 | }; | |
4033 | ||
4034 | static void free_nfs_symlink_data(void *mem) | |
4035 | { | |
4036 | struct nfs_symlink_data *data = mem; | |
4037 | ||
4038 | if (data->oldpath != NULL) { | |
4039 | free(data->oldpath); | |
4040 | } | |
4041 | if (data->newpathparent != NULL) { | |
4042 | free(data->newpathparent); | |
4043 | } | |
4044 | if (data->newpathobject != NULL) { | |
4045 | free(data->newpathobject); | |
4046 | } | |
4047 | free(data); | |
4048 | } | |
4049 | ||
ee872606 | 4050 | static void nfs_symlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
4051 | { |
4052 | SYMLINK3res *res; | |
4053 | struct nfs_cb_data *data = private_data; | |
4054 | struct nfs_context *nfs = data->nfs; | |
4055 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
ee872606 RRS |
4056 | |
4057 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
4058 | ||
dabf4152 AM |
4059 | if (status == RPC_STATUS_ERROR) { |
4060 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4061 | free_nfs_cb_data(data); | |
4062 | return; | |
4063 | } | |
4064 | if (status == RPC_STATUS_CANCEL) { | |
4065 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4066 | free_nfs_cb_data(data); | |
4067 | return; | |
4068 | } | |
4069 | ||
4070 | res = command_data; | |
4071 | if (res->status != NFS3_OK) { | |
4072 | rpc_set_error(nfs->rpc, "NFS: SYMLINK %s/%s -> %s failed with %s(%d)", symlink_data->newpathparent, symlink_data->newpathobject, symlink_data->oldpath, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
4073 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4074 | free_nfs_cb_data(data); | |
4075 | return; | |
4076 | } | |
4077 | ||
4078 | data->cb(0, nfs, NULL, data->private_data); | |
4079 | free_nfs_cb_data(data); | |
4080 | } | |
4081 | ||
f1f22dbf | 4082 | static int nfs_symlink_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
4083 | { |
4084 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
ee872606 | 4085 | SYMLINK3args args; |
dabf4152 | 4086 | |
ee872606 RRS |
4087 | memset(&args, 0, sizeof(SYMLINK3args)); |
4088 | args.where.dir = data->fh; | |
4089 | args.where.name = symlink_data->newpathobject; | |
4090 | args.symlink.symlink_attributes.mode.set_it = 1; | |
4091 | args.symlink.symlink_attributes.mode.set_mode3_u.mode = S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH; | |
4092 | args.symlink.symlink_data = symlink_data->oldpath; | |
fab61e3d | 4093 | |
ee872606 | 4094 | if (rpc_nfs3_symlink_async(nfs->rpc, nfs_symlink_cb, &args, data) != 0) { |
dabf4152 AM |
4095 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path); |
4096 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4097 | free_nfs_cb_data(data); | |
4098 | return -1; | |
4099 | } | |
4100 | return 0; | |
4101 | } | |
4102 | ||
4103 | int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
4104 | { | |
4105 | char *ptr; | |
4106 | struct nfs_symlink_data *symlink_data; | |
4107 | ||
4108 | symlink_data = malloc(sizeof(struct nfs_symlink_data)); | |
4109 | if (symlink_data == NULL) { | |
4110 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data"); | |
4111 | return -1; | |
4112 | } | |
5670ec6e | 4113 | memset(symlink_data, 0, sizeof(struct nfs_symlink_data)); |
dabf4152 AM |
4114 | |
4115 | symlink_data->oldpath = strdup(oldpath); | |
4116 | if (symlink_data->oldpath == NULL) { | |
4117 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); | |
4118 | free_nfs_symlink_data(symlink_data); | |
4119 | return -1; | |
4120 | } | |
4121 | ||
4122 | symlink_data->newpathparent = strdup(newpath); | |
4123 | if (symlink_data->newpathparent == NULL) { | |
4124 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); | |
4125 | free_nfs_symlink_data(symlink_data); | |
4126 | return -1; | |
4127 | } | |
4128 | ||
5670ec6e | 4129 | ptr = strrchr(symlink_data->newpathparent, '/'); |
dabf4152 AM |
4130 | if (ptr == NULL) { |
4131 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); | |
4132 | free_nfs_symlink_data(symlink_data); | |
4133 | return -1; | |
4134 | } | |
4135 | *ptr = 0; | |
4136 | ptr++; | |
4137 | ||
4138 | symlink_data->newpathobject = strdup(ptr); | |
4139 | if (symlink_data->newpathobject == NULL) { | |
4140 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); | |
4141 | free_nfs_symlink_data(symlink_data); | |
4142 | return -1; | |
4143 | } | |
4144 | ||
4145 | if (nfs_lookuppath_async(nfs, symlink_data->newpathparent, cb, private_data, nfs_symlink_continue_internal, symlink_data, free_nfs_symlink_data, 0) != 0) { | |
4146 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
4147 | return -1; | |
4148 | } | |
4149 | ||
4150 | return 0; | |
4151 | } | |
4152 | ||
4153 | ||
4154 | ||
4155 | /* | |
4156 | * Async rename() | |
4157 | */ | |
4158 | struct nfs_rename_data { | |
4159 | char *oldpath; | |
4160 | char *oldobject; | |
4161 | struct nfs_fh3 olddir; | |
4162 | char *newpath; | |
4163 | char *newobject; | |
4164 | struct nfs_fh3 newdir; | |
4165 | }; | |
4166 | ||
4167 | static void free_nfs_rename_data(void *mem) | |
4168 | { | |
4169 | struct nfs_rename_data *data = mem; | |
4170 | ||
4171 | if (data->oldpath != NULL) { | |
4172 | free(data->oldpath); | |
4173 | } | |
4174 | if (data->olddir.data.data_val != NULL) { | |
4175 | free(data->olddir.data.data_val); | |
4176 | } | |
4177 | if (data->newpath != NULL) { | |
4178 | free(data->newpath); | |
4179 | } | |
4180 | if (data->newdir.data.data_val != NULL) { | |
4181 | free(data->newdir.data.data_val); | |
4182 | } | |
4183 | free(data); | |
4184 | } | |
4185 | ||
ee872606 | 4186 | static void nfs_rename_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
4187 | { |
4188 | RENAME3res *res; | |
4189 | struct nfs_cb_data *data = private_data; | |
4190 | struct nfs_context *nfs = data->nfs; | |
4191 | struct nfs_rename_data *rename_data = data->continue_data; | |
ee872606 RRS |
4192 | |
4193 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
4194 | ||
dabf4152 AM |
4195 | if (status == RPC_STATUS_ERROR) { |
4196 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4197 | free_nfs_cb_data(data); | |
4198 | return; | |
4199 | } | |
4200 | if (status == RPC_STATUS_CANCEL) { | |
4201 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4202 | free_nfs_cb_data(data); | |
4203 | return; | |
4204 | } | |
4205 | ||
4206 | res = command_data; | |
4207 | if (res->status != NFS3_OK) { | |
4208 | rpc_set_error(nfs->rpc, "NFS: RENAME %s/%s -> %s/%s failed with %s(%d)", rename_data->oldpath, rename_data->oldobject, rename_data->newpath, rename_data->newobject, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
4209 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4210 | free_nfs_cb_data(data); | |
4211 | return; | |
4212 | } | |
4213 | ||
4214 | data->cb(0, nfs, NULL, data->private_data); | |
4215 | free_nfs_cb_data(data); | |
4216 | } | |
4217 | ||
f1f22dbf | 4218 | static int nfs_rename_continue_2_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
4219 | { |
4220 | struct nfs_rename_data *rename_data = data->continue_data; | |
ee872606 | 4221 | RENAME3args args; |
dabf4152 AM |
4222 | |
4223 | /* steal the filehandle */ | |
ee872606 | 4224 | rename_data->newdir = data->fh; |
dabf4152 AM |
4225 | data->fh.data.data_val = NULL; |
4226 | ||
ee872606 RRS |
4227 | args.from.dir = rename_data->olddir; |
4228 | args.from.name = rename_data->oldobject; | |
4229 | args.to.dir = rename_data->newdir; | |
4230 | args.to.name = rename_data->newobject; | |
4231 | if (rpc_nfs3_rename_async(nfs->rpc, nfs_rename_cb, &args, data) != 0) { | |
dabf4152 AM |
4232 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path); |
4233 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4234 | free_nfs_cb_data(data); | |
4235 | return -1; | |
4236 | } | |
4237 | return 0; | |
4238 | } | |
4239 | ||
4240 | ||
f1f22dbf | 4241 | static int nfs_rename_continue_1_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
4242 | { |
4243 | struct nfs_rename_data *rename_data = data->continue_data; | |
ee872606 RRS |
4244 | char* newpath = strdup(rename_data->newpath); |
4245 | if (!newpath) { | |
4246 | rpc_set_error(nfs->rpc, "Out of memory. Could not allocate memory to store target path for rename"); | |
4247 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4248 | free_nfs_cb_data(data); | |
4249 | return -1; | |
4250 | } | |
dabf4152 AM |
4251 | |
4252 | /* steal the filehandle */ | |
ee872606 | 4253 | rename_data->olddir = data->fh; |
dabf4152 AM |
4254 | data->fh.data.data_val = NULL; |
4255 | ||
4256 | if (nfs_lookuppath_async(nfs, rename_data->newpath, data->cb, data->private_data, nfs_rename_continue_2_internal, rename_data, free_nfs_rename_data, 0) != 0) { | |
ee872606 | 4257 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", newpath); |
dabf4152 AM |
4258 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
4259 | free_nfs_cb_data(data); | |
ee872606 | 4260 | free(newpath); |
dabf4152 AM |
4261 | return -1; |
4262 | } | |
4263 | data->continue_data = NULL; | |
4264 | free_nfs_cb_data(data); | |
ee872606 | 4265 | free(newpath); |
dabf4152 AM |
4266 | |
4267 | return 0; | |
4268 | } | |
4269 | ||
4270 | ||
4271 | int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
4272 | { | |
4273 | char *ptr; | |
4274 | struct nfs_rename_data *rename_data; | |
4275 | ||
4276 | rename_data = malloc(sizeof(struct nfs_rename_data)); | |
4277 | if (rename_data == NULL) { | |
4278 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data"); | |
4279 | return -1; | |
4280 | } | |
5670ec6e | 4281 | memset(rename_data, 0, sizeof(struct nfs_rename_data)); |
dabf4152 AM |
4282 | |
4283 | rename_data->oldpath = strdup(oldpath); | |
4284 | if (rename_data->oldpath == NULL) { | |
4285 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); | |
4286 | free_nfs_rename_data(rename_data); | |
4287 | return -1; | |
4288 | } | |
5670ec6e | 4289 | ptr = strrchr(rename_data->oldpath, '/'); |
dabf4152 AM |
4290 | if (ptr == NULL) { |
4291 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); | |
4292 | free_nfs_rename_data(rename_data); | |
4293 | return -1; | |
4294 | } | |
4295 | *ptr = 0; | |
4296 | ptr++; | |
4297 | rename_data->oldobject = ptr; | |
4298 | ||
4299 | ||
4300 | rename_data->newpath = strdup(newpath); | |
4301 | if (rename_data->newpath == NULL) { | |
4302 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); | |
4303 | free_nfs_rename_data(rename_data); | |
4304 | return -1; | |
4305 | } | |
5670ec6e | 4306 | ptr = strrchr(rename_data->newpath, '/'); |
dabf4152 AM |
4307 | if (ptr == NULL) { |
4308 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); | |
4309 | free_nfs_rename_data(rename_data); | |
4310 | return -1; | |
4311 | } | |
4312 | *ptr = 0; | |
4313 | ptr++; | |
4314 | rename_data->newobject = ptr; | |
4315 | ||
4316 | ||
4317 | if (nfs_lookuppath_async(nfs, rename_data->oldpath, cb, private_data, nfs_rename_continue_1_internal, rename_data, free_nfs_rename_data, 0) != 0) { | |
4318 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
4319 | return -1; | |
4320 | } | |
4321 | ||
4322 | return 0; | |
4323 | } | |
4324 | ||
4325 | ||
4326 | /* | |
4327 | * Async link() | |
4328 | */ | |
4329 | struct nfs_link_data { | |
4330 | char *oldpath; | |
4331 | struct nfs_fh3 oldfh; | |
4332 | char *newpath; | |
4333 | char *newobject; | |
4334 | struct nfs_fh3 newdir; | |
4335 | }; | |
4336 | ||
4337 | static void free_nfs_link_data(void *mem) | |
4338 | { | |
4339 | struct nfs_link_data *data = mem; | |
4340 | ||
4341 | if (data->oldpath != NULL) { | |
4342 | free(data->oldpath); | |
4343 | } | |
4344 | if (data->oldfh.data.data_val != NULL) { | |
4345 | free(data->oldfh.data.data_val); | |
4346 | } | |
4347 | if (data->newpath != NULL) { | |
4348 | free(data->newpath); | |
4349 | } | |
4350 | if (data->newdir.data.data_val != NULL) { | |
4351 | free(data->newdir.data.data_val); | |
4352 | } | |
4353 | free(data); | |
4354 | } | |
4355 | ||
ee872606 | 4356 | static void nfs_link_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
dabf4152 AM |
4357 | { |
4358 | LINK3res *res; | |
4359 | struct nfs_cb_data *data = private_data; | |
4360 | struct nfs_context *nfs = data->nfs; | |
4361 | struct nfs_link_data *link_data = data->continue_data; | |
ee872606 RRS |
4362 | |
4363 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
4364 | ||
dabf4152 AM |
4365 | if (status == RPC_STATUS_ERROR) { |
4366 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4367 | free_nfs_cb_data(data); | |
4368 | return; | |
4369 | } | |
4370 | if (status == RPC_STATUS_CANCEL) { | |
4371 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4372 | free_nfs_cb_data(data); | |
4373 | return; | |
4374 | } | |
4375 | ||
4376 | res = command_data; | |
4377 | if (res->status != NFS3_OK) { | |
4378 | rpc_set_error(nfs->rpc, "NFS: LINK %s -> %s/%s failed with %s(%d)", link_data->oldpath, link_data->newpath, link_data->newobject, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
4379 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4380 | free_nfs_cb_data(data); | |
4381 | return; | |
4382 | } | |
4383 | ||
4384 | data->cb(0, nfs, NULL, data->private_data); | |
4385 | free_nfs_cb_data(data); | |
4386 | } | |
4387 | ||
f1f22dbf | 4388 | static int nfs_link_continue_2_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
4389 | { |
4390 | struct nfs_link_data *link_data = data->continue_data; | |
ee872606 | 4391 | LINK3args args; |
dabf4152 AM |
4392 | |
4393 | /* steal the filehandle */ | |
ee872606 | 4394 | link_data->newdir = data->fh; |
dabf4152 AM |
4395 | data->fh.data.data_val = NULL; |
4396 | ||
ee872606 RRS |
4397 | memset(&args, 0, sizeof(LINK3args)); |
4398 | args.file = link_data->oldfh; | |
4399 | args.link.dir = link_data->newdir; | |
4400 | args.link.name = link_data->newobject; | |
4401 | if (rpc_nfs3_link_async(nfs->rpc, nfs_link_cb, &args, data) != 0) { | |
dabf4152 AM |
4402 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path); |
4403 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4404 | free_nfs_cb_data(data); | |
4405 | return -1; | |
4406 | } | |
4407 | return 0; | |
4408 | } | |
4409 | ||
4410 | ||
f1f22dbf | 4411 | static int nfs_link_continue_1_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
dabf4152 AM |
4412 | { |
4413 | struct nfs_link_data *link_data = data->continue_data; | |
4414 | ||
4415 | /* steal the filehandle */ | |
ee872606 | 4416 | link_data->oldfh = data->fh; |
dabf4152 AM |
4417 | data->fh.data.data_val = NULL; |
4418 | ||
4419 | if (nfs_lookuppath_async(nfs, link_data->newpath, data->cb, data->private_data, nfs_link_continue_2_internal, link_data, free_nfs_link_data, 0) != 0) { | |
4420 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath); | |
4421 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4422 | free_nfs_cb_data(data); | |
4423 | return -1; | |
4424 | } | |
4425 | data->continue_data = NULL; | |
4426 | free_nfs_cb_data(data); | |
4427 | ||
4428 | return 0; | |
4429 | } | |
4430 | ||
4431 | ||
4432 | int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
4433 | { | |
4434 | char *ptr; | |
4435 | struct nfs_link_data *link_data; | |
4436 | ||
4437 | link_data = malloc(sizeof(struct nfs_link_data)); | |
4438 | if (link_data == NULL) { | |
4439 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data"); | |
4440 | return -1; | |
4441 | } | |
5670ec6e | 4442 | memset(link_data, 0, sizeof(struct nfs_link_data)); |
dabf4152 AM |
4443 | |
4444 | link_data->oldpath = strdup(oldpath); | |
4445 | if (link_data->oldpath == NULL) { | |
4446 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); | |
4447 | free_nfs_link_data(link_data); | |
4448 | return -1; | |
4449 | } | |
4450 | ||
4451 | link_data->newpath = strdup(newpath); | |
4452 | if (link_data->newpath == NULL) { | |
4453 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); | |
4454 | free_nfs_link_data(link_data); | |
4455 | return -1; | |
4456 | } | |
5670ec6e | 4457 | ptr = strrchr(link_data->newpath, '/'); |
dabf4152 AM |
4458 | if (ptr == NULL) { |
4459 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); | |
4460 | free_nfs_link_data(link_data); | |
4461 | return -1; | |
4462 | } | |
4463 | *ptr = 0; | |
4464 | ptr++; | |
4465 | link_data->newobject = ptr; | |
4466 | ||
4467 | ||
4468 | if (nfs_lookuppath_async(nfs, link_data->oldpath, cb, private_data, nfs_link_continue_1_internal, link_data, free_nfs_link_data, 0) != 0) { | |
4469 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
4470 | return -1; | |
4471 | } | |
4472 | ||
4473 | return 0; | |
4474 | } | |
4475 | ||
4476 | ||
4477 | //qqq replace later with lseek() | |
5670ec6e | 4478 | uint64_t nfs_get_current_offset(struct nfsfh *nfsfh) |
dabf4152 AM |
4479 | { |
4480 | return nfsfh->offset; | |
4481 | } | |
4482 | ||
4483 | ||
4484 | ||
4485 | /* | |
4486 | * Get the maximum supported READ3 size by the server | |
4487 | */ | |
5670ec6e | 4488 | uint64_t nfs_get_readmax(struct nfs_context *nfs) |
dabf4152 AM |
4489 | { |
4490 | return nfs->readmax; | |
4491 | } | |
4492 | ||
4493 | /* | |
4494 | * Get the maximum supported WRITE3 size by the server | |
4495 | */ | |
5670ec6e | 4496 | uint64_t nfs_get_writemax(struct nfs_context *nfs) |
dabf4152 | 4497 | { |
ee872606 RRS |
4498 | return nfs->writemax; |
4499 | } | |
4500 | ||
4501 | void nfs_set_tcp_syncnt(struct nfs_context *nfs, int v) { | |
4502 | rpc_set_tcp_syncnt(nfs->rpc, v); | |
4503 | } | |
4504 | ||
4505 | void nfs_set_uid(struct nfs_context *nfs, int uid) { | |
4506 | rpc_set_uid(nfs->rpc, uid); | |
4507 | } | |
4508 | ||
4509 | void nfs_set_gid(struct nfs_context *nfs, int gid) { | |
4510 | rpc_set_gid(nfs->rpc, gid); | |
dabf4152 AM |
4511 | } |
4512 | ||
f1f22dbf RRS |
4513 | void nfs_set_readahead(struct nfs_context *nfs, uint32_t v) { |
4514 | rpc_set_readahead(nfs->rpc, v); | |
4515 | } | |
4516 | ||
dabf4152 AM |
4517 | void nfs_set_error(struct nfs_context *nfs, char *error_string, ...) |
4518 | { | |
4519 | va_list ap; | |
4520 | char *str = NULL; | |
4521 | ||
4522 | va_start(ap, error_string); | |
5670ec6e AM |
4523 | str = malloc(1024); |
4524 | vsnprintf(str, 1024, error_string, ap); | |
dabf4152 AM |
4525 | if (nfs->rpc->error_string != NULL) { |
4526 | free(nfs->rpc->error_string); | |
4527 | } | |
4528 | nfs->rpc->error_string = str; | |
ee872606 | 4529 | va_end(ap); |
dabf4152 AM |
4530 | } |
4531 | ||
4532 | ||
4533 | ||
4534 | struct mount_cb_data { | |
4535 | rpc_cb cb; | |
4536 | void *private_data; | |
4537 | char *server; | |
4538 | }; | |
4539 | ||
4540 | static void free_mount_cb_data(struct mount_cb_data *data) | |
4541 | { | |
4542 | if (data->server != NULL) { | |
4543 | free(data->server); | |
4544 | data->server = NULL; | |
4545 | } | |
4546 | ||
4547 | free(data); | |
4548 | } | |
4549 | ||
4550 | static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
4551 | { | |
4552 | struct mount_cb_data *data = private_data; | |
4553 | ||
ee872606 RRS |
4554 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4555 | ||
4556 | if (status == RPC_STATUS_ERROR) { | |
dabf4152 AM |
4557 | data->cb(rpc, -EFAULT, command_data, data->private_data); |
4558 | free_mount_cb_data(data); | |
4559 | return; | |
4560 | } | |
4561 | if (status == RPC_STATUS_CANCEL) { | |
4562 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
4563 | free_mount_cb_data(data); | |
4564 | return; | |
4565 | } | |
4566 | ||
4567 | data->cb(rpc, 0, command_data, data->private_data); | |
4568 | if (rpc_disconnect(rpc, "normal disconnect") != 0) { | |
4569 | rpc_set_error(rpc, "Failed to disconnect\n"); | |
4570 | } | |
4571 | free_mount_cb_data(data); | |
4572 | } | |
4573 | ||
4574 | static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
4575 | { | |
4576 | struct mount_cb_data *data = private_data; | |
4577 | ||
ee872606 RRS |
4578 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4579 | ||
5670ec6e AM |
4580 | /* Dont want any more callbacks even if the socket is closed */ |
4581 | rpc->connect_cb = NULL; | |
4582 | ||
ee872606 | 4583 | if (status == RPC_STATUS_ERROR) { |
dabf4152 AM |
4584 | data->cb(rpc, -EFAULT, command_data, data->private_data); |
4585 | free_mount_cb_data(data); | |
4586 | return; | |
4587 | } | |
4588 | if (status == RPC_STATUS_CANCEL) { | |
4589 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
4590 | free_mount_cb_data(data); | |
4591 | return; | |
4592 | } | |
4593 | ||
ee872606 | 4594 | if (rpc_mount3_export_async(rpc, mount_export_5_cb, data) != 0) { |
dabf4152 AM |
4595 | data->cb(rpc, -ENOMEM, command_data, data->private_data); |
4596 | free_mount_cb_data(data); | |
4597 | return; | |
4598 | } | |
4599 | } | |
4600 | ||
dabf4152 AM |
4601 | int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data) |
4602 | { | |
4603 | struct mount_cb_data *data; | |
4604 | ||
ee872606 RRS |
4605 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4606 | ||
dabf4152 AM |
4607 | data = malloc(sizeof(struct mount_cb_data)); |
4608 | if (data == NULL) { | |
4609 | return -1; | |
4610 | } | |
5670ec6e | 4611 | memset(data, 0, sizeof(struct mount_cb_data)); |
dabf4152 AM |
4612 | data->cb = cb; |
4613 | data->private_data = private_data; | |
4614 | data->server = strdup(server); | |
4615 | if (data->server == NULL) { | |
4616 | free_mount_cb_data(data); | |
4617 | return -1; | |
ee872606 | 4618 | } |
f1f22dbf RRS |
4619 | if (rpc_connect_program_async(rpc, data->server, MOUNT_PROGRAM, MOUNT_V3, mount_export_4_cb, data) != 0) { |
4620 | rpc_set_error(rpc, "Failed to start connection"); | |
dabf4152 AM |
4621 | free_mount_cb_data(data); |
4622 | return -1; | |
4623 | } | |
4624 | ||
4625 | return 0; | |
4626 | } | |
4627 | ||
4628 | struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs) | |
4629 | { | |
ee872606 | 4630 | assert(nfs->rpc->magic == RPC_CONTEXT_MAGIC); |
dabf4152 AM |
4631 | return nfs->rpc; |
4632 | } | |
4633 | ||
5670ec6e AM |
4634 | const char *nfs_get_server(struct nfs_context *nfs) { |
4635 | return nfs->server; | |
4636 | } | |
4637 | ||
4638 | const char *nfs_get_export(struct nfs_context *nfs) { | |
4639 | return nfs->export; | |
4640 | } | |
4641 | ||
fab61e3d AM |
4642 | const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) { |
4643 | return &nfs->rootfh; | |
4644 | } | |
ee872606 RRS |
4645 | |
4646 | struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) { | |
4647 | return &nfsfh->fh; | |
4648 | } |