Commit | Line | Data |
---|---|---|
84004dbf RS |
1 | /* |
2 | Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com> | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU Lesser General Public License as published by | |
6 | the Free Software Foundation; either version 2.1 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public License | |
15 | along with this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | /* | |
18 | * High level api to nfs filesystems | |
19 | */ | |
00748f36 RS |
20 | #ifdef HAVE_CONFIG_H |
21 | #include "config.h" | |
22 | #endif | |
23 | ||
108c622a RS |
24 | #ifdef AROS |
25 | #include "aros_compat.h" | |
00748f36 RS |
26 | #endif |
27 | ||
a8a1b858 M |
28 | #ifdef WIN32 |
29 | #include "win32_compat.h" | |
bff8fe46 RS |
30 | #endif |
31 | ||
32 | #ifdef HAVE_UTIME_H | |
d7c6e9aa | 33 | #include <utime.h> |
bff8fe46 | 34 | #endif |
d7c6e9aa | 35 | |
d7c6e9aa | 36 | #ifdef ANDROID |
252aa90d | 37 | #define statvfs statfs |
108c622a | 38 | #endif |
a8a1b858 M |
39 | |
40 | #define _GNU_SOURCE | |
6874f61e | 41 | |
108c622a RS |
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 | ||
72897005 RS |
54 | #ifdef HAVE_NETINET_IN_H |
55 | #include <netinet/in.h> | |
56 | #endif | |
57 | ||
bff8fe46 RS |
58 | #ifdef HAVE_STRINGS_H |
59 | #include <strings.h> | |
60 | #endif | |
61 | ||
fc08ac45 RL |
62 | #ifdef MAJOR_IN_MKDEV |
63 | #include <sys/mkdev.h> | |
64 | #endif | |
65 | ||
66 | #ifdef MAJOR_IN_SYSMACROS | |
67 | #include <sys/sysmacros.h> | |
68 | #endif | |
69 | ||
84004dbf | 70 | #include <stdio.h> |
1896d37b | 71 | #include <stdarg.h> |
84004dbf RS |
72 | #include <stdlib.h> |
73 | #include <string.h> | |
f3a75078 | 74 | #include <assert.h> |
84004dbf | 75 | #include <errno.h> |
10a1a781 | 76 | #include <time.h> |
84004dbf RS |
77 | #include <sys/types.h> |
78 | #include <sys/stat.h> | |
84004dbf | 79 | #include <fcntl.h> |
763cd6e3 | 80 | #include "libnfs-zdr.h" |
56e96539 | 81 | #include "slist.h" |
84004dbf RS |
82 | #include "libnfs.h" |
83 | #include "libnfs-raw.h" | |
84 | #include "libnfs-raw-mount.h" | |
85 | #include "libnfs-raw-nfs.h" | |
6c60e282 | 86 | #include "libnfs-raw-portmap.h" |
1896d37b RS |
87 | #include "libnfs-private.h" |
88 | ||
07d06b25 | 89 | #define MAX_DIR_CACHE 128 |
1d151991 | 90 | #define MAX_LINK_COUNT 40 |
56e96539 | 91 | |
1896d37b | 92 | struct nfsdir { |
56e96539 RS |
93 | struct nfs_fh3 fh; |
94 | fattr3 attr; | |
95 | struct nfsdir *next; | |
96 | ||
1896d37b RS |
97 | struct nfsdirent *entries; |
98 | struct nfsdirent *current; | |
99 | }; | |
84004dbf | 100 | |
3ca2aac9 PL |
101 | struct nfs_readahead { |
102 | uint64_t fh_offset; | |
103 | uint64_t last_offset; | |
104 | uint64_t buf_offset; | |
105 | uint64_t buf_count; | |
106 | time_t buf_ts; | |
107 | void *buf; | |
108 | uint32_t cur_ra; | |
109 | }; | |
110 | ||
84004dbf RS |
111 | struct nfsfh { |
112 | struct nfs_fh3 fh; | |
113 | int is_sync; | |
548e2bea | 114 | int is_append; |
183451cf | 115 | uint64_t offset; |
3ca2aac9 | 116 | struct nfs_readahead ra; |
84004dbf RS |
117 | }; |
118 | ||
1896d37b RS |
119 | struct nfs_context { |
120 | struct rpc_context *rpc; | |
121 | char *server; | |
122 | char *export; | |
123 | struct nfs_fh3 rootfh; | |
183451cf RS |
124 | uint64_t readmax; |
125 | uint64_t writemax; | |
f893b680 | 126 | char *cwd; |
56e96539 | 127 | struct nfsdir *dircache; |
84004dbf RS |
128 | }; |
129 | ||
130 | void nfs_free_nfsdir(struct nfsdir *nfsdir) | |
131 | { | |
132 | while (nfsdir->entries) { | |
133 | struct nfsdirent *dirent = nfsdir->entries->next; | |
134 | if (nfsdir->entries->name != NULL) { | |
135 | free(nfsdir->entries->name); | |
136 | } | |
137 | free(nfsdir->entries); | |
138 | nfsdir->entries = dirent; | |
139 | } | |
56e96539 | 140 | free(nfsdir->fh.data.data_val); |
84004dbf RS |
141 | free(nfsdir); |
142 | } | |
143 | ||
56e96539 RS |
144 | static void nfs_dircache_add(struct nfs_context *nfs, struct nfsdir *nfsdir) |
145 | { | |
146 | int i; | |
147 | LIBNFS_LIST_ADD(&nfs->dircache, nfsdir); | |
148 | ||
149 | for (nfsdir = nfs->dircache, i = 0; nfsdir; nfsdir = nfsdir->next, i++) { | |
150 | if (i > MAX_DIR_CACHE) { | |
151 | LIBNFS_LIST_REMOVE(&nfs->dircache, nfsdir); | |
152 | nfs_free_nfsdir(nfsdir); | |
153 | break; | |
154 | } | |
155 | } | |
156 | } | |
157 | ||
158 | static struct nfsdir *nfs_dircache_find(struct nfs_context *nfs, struct nfs_fh3 *fh) | |
159 | { | |
160 | struct nfsdir *nfsdir; | |
161 | ||
162 | for (nfsdir = nfs->dircache; nfsdir; nfsdir = nfsdir->next) { | |
163 | if (nfsdir->fh.data.data_len == fh->data.data_len && | |
164 | !memcmp(nfsdir->fh.data.data_val, fh->data.data_val, fh->data.data_len)) { | |
165 | LIBNFS_LIST_REMOVE(&nfs->dircache, nfsdir); | |
166 | return nfsdir; | |
167 | } | |
168 | } | |
169 | ||
170 | return NULL; | |
171 | } | |
172 | ||
84004dbf | 173 | struct nfs_cb_data; |
20379f03 RS |
174 | typedef int (*continue_func)(struct nfs_context *nfs, fattr3 *attr, |
175 | struct nfs_cb_data *data); | |
84004dbf RS |
176 | |
177 | struct nfs_cb_data { | |
178 | struct nfs_context *nfs; | |
179 | struct nfsfh *nfsfh; | |
180 | char *saved_path, *path; | |
1d151991 | 181 | int link_count, no_follow; |
84004dbf RS |
182 | |
183 | nfs_cb cb; | |
184 | void *private_data; | |
185 | ||
186 | continue_func continue_cb; | |
187 | void *continue_data; | |
188 | void (*free_continue_data)(void *); | |
189 | int continue_int; | |
190 | ||
191 | struct nfs_fh3 fh; | |
921f877b RS |
192 | |
193 | /* for multi-read/write calls. */ | |
194 | int error; | |
195 | int cancel; | |
1eb4be31 | 196 | int oom; |
921f877b | 197 | int num_calls; |
3ca2aac9 | 198 | uint64_t offset, count, max_offset, org_offset, org_count; |
921f877b | 199 | char *buffer; |
027a767e | 200 | char *usrbuf; |
921f877b RS |
201 | }; |
202 | ||
203 | struct nfs_mcb_data { | |
204 | struct nfs_cb_data *data; | |
183451cf RS |
205 | uint64_t offset; |
206 | uint64_t count; | |
567a94d9 | 207 | int update_pos; |
84004dbf RS |
208 | }; |
209 | ||
20379f03 | 210 | static int nfs_lookup_path_async_internal(struct nfs_context *nfs, fattr3 *attr, struct nfs_cb_data *data, struct nfs_fh3 *fh); |
1d151991 | 211 | static int nfs_normalize_path(struct nfs_context *nfs, char *path); |
84004dbf | 212 | |
67ba2239 | 213 | void nfs_set_auth(struct nfs_context *nfs, struct AUTH *auth) |
84004dbf | 214 | { |
9896c715 | 215 | rpc_set_auth(nfs->rpc, auth); |
84004dbf RS |
216 | } |
217 | ||
218 | int nfs_get_fd(struct nfs_context *nfs) | |
219 | { | |
220 | return rpc_get_fd(nfs->rpc); | |
221 | } | |
222 | ||
83aa785d RS |
223 | int nfs_queue_length(struct nfs_context *nfs) |
224 | { | |
225 | return rpc_queue_length(nfs->rpc); | |
226 | } | |
227 | ||
84004dbf RS |
228 | int nfs_which_events(struct nfs_context *nfs) |
229 | { | |
230 | return rpc_which_events(nfs->rpc); | |
231 | } | |
232 | ||
233 | int nfs_service(struct nfs_context *nfs, int revents) | |
234 | { | |
235 | return rpc_service(nfs->rpc, revents); | |
236 | } | |
237 | ||
238 | char *nfs_get_error(struct nfs_context *nfs) | |
239 | { | |
240 | return rpc_get_error(nfs->rpc); | |
241 | }; | |
242 | ||
20d6926e | 243 | static int nfs_set_context_args(struct nfs_context *nfs, char *arg, char *val) |
36f488dc | 244 | { |
3ca2aac9 | 245 | if (!strcmp(arg, "tcp-syncnt")) { |
20d6926e | 246 | rpc_set_tcp_syncnt(nfs_get_rpc_context(nfs), atoi(val)); |
3ca2aac9 | 247 | } else if (!strcmp(arg, "uid")) { |
20d6926e | 248 | rpc_set_uid(nfs_get_rpc_context(nfs), atoi(val)); |
3ca2aac9 | 249 | } else if (!strcmp(arg, "gid")) { |
20d6926e | 250 | rpc_set_gid(nfs_get_rpc_context(nfs), atoi(val)); |
3ca2aac9 PL |
251 | } else if (!strcmp(arg, "readahaed")) { |
252 | rpc_set_readahead(nfs_get_rpc_context(nfs), atoi(val)); | |
36f488dc RS |
253 | } |
254 | return 0; | |
255 | } | |
256 | ||
6bdcd5b6 | 257 | static struct nfs_url *nfs_parse_url(struct nfs_context *nfs, const char *url, int dir, int incomplete) |
d2ec73c7 PL |
258 | { |
259 | struct nfs_url *urls; | |
260 | char *strp, *flagsp, *strp2; | |
261 | ||
262 | if (strncmp(url, "nfs://", 6)) { | |
263 | rpc_set_error(nfs->rpc, "Invalid URL specified"); | |
264 | return NULL; | |
265 | } | |
266 | ||
267 | urls = malloc(sizeof(struct nfs_url)); | |
268 | if (urls == NULL) { | |
269 | rpc_set_error(nfs->rpc, "Out of memory"); | |
270 | return NULL; | |
271 | } | |
272 | ||
b70567b6 | 273 | memset(urls, 0x00, sizeof(struct nfs_url)); |
d2ec73c7 PL |
274 | urls->server = strdup(url + 6); |
275 | if (urls->server == NULL) { | |
276 | nfs_destroy_url(urls); | |
277 | rpc_set_error(nfs->rpc, "Out of memory"); | |
278 | return NULL; | |
279 | } | |
280 | ||
281 | if (urls->server[0] == '/' || urls->server[0] == '\0' || | |
282 | urls->server[0] == '?') { | |
283 | if (incomplete) { | |
284 | flagsp = strchr(urls->server, '?'); | |
285 | goto flags; | |
286 | } | |
287 | nfs_destroy_url(urls); | |
288 | rpc_set_error(nfs->rpc, "Invalid server string"); | |
289 | return NULL; | |
290 | } | |
291 | ||
292 | strp = strchr(urls->server, '/'); | |
293 | if (strp == NULL) { | |
294 | if (incomplete) { | |
295 | flagsp = strchr(urls->server, '?'); | |
296 | goto flags; | |
297 | } | |
298 | nfs_destroy_url(urls); | |
299 | rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified."); | |
300 | return NULL; | |
301 | } | |
302 | ||
303 | urls->path = strdup(strp); | |
304 | if (urls->path == NULL) { | |
305 | nfs_destroy_url(urls); | |
306 | rpc_set_error(nfs->rpc, "Out of memory"); | |
307 | return NULL; | |
308 | } | |
309 | *strp = 0; | |
310 | ||
311 | if (dir) { | |
312 | flagsp = strchr(urls->path, '?'); | |
313 | goto flags; | |
314 | } | |
315 | ||
316 | strp = strrchr(urls->path, '/'); | |
317 | if (strp == NULL) { | |
318 | if (incomplete) { | |
319 | flagsp = strchr(urls->path, '?'); | |
320 | goto flags; | |
321 | } | |
322 | nfs_destroy_url(urls); | |
323 | rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified."); | |
324 | return NULL; | |
325 | } | |
326 | urls->file = strdup(strp); | |
327 | if (urls->path == NULL) { | |
328 | nfs_destroy_url(urls); | |
329 | rpc_set_error(nfs->rpc, "Out of memory"); | |
330 | return NULL; | |
331 | } | |
332 | *strp = 0; | |
333 | flagsp = strchr(urls->file, '?'); | |
334 | ||
335 | flags: | |
336 | if (flagsp) { | |
337 | *flagsp = 0; | |
338 | } | |
339 | ||
340 | if (urls->file && !strlen(urls->file)) { | |
341 | free(urls->file); | |
342 | urls->file = NULL; | |
343 | if (!incomplete) { | |
344 | nfs_destroy_url(urls); | |
345 | rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified."); | |
346 | return NULL; | |
347 | } | |
348 | } | |
349 | ||
d2ec73c7 PL |
350 | while (flagsp != NULL && *(flagsp+1) != 0) { |
351 | strp = flagsp + 1; | |
352 | flagsp = strchr(strp, '&'); | |
353 | if (flagsp) { | |
354 | *flagsp = 0; | |
355 | } | |
356 | strp2 = strchr(strp, '='); | |
357 | if (strp2) { | |
358 | *strp2 = 0; | |
359 | strp2++; | |
20d6926e | 360 | nfs_set_context_args(nfs, strp, strp2); |
d2ec73c7 PL |
361 | } |
362 | } | |
363 | ||
1f1b1c5c PL |
364 | if (urls->server && strlen(urls->server) <= 1) { |
365 | free(urls->server); | |
366 | urls->server = NULL; | |
367 | } | |
368 | ||
d2ec73c7 PL |
369 | return urls; |
370 | } | |
371 | ||
372 | struct nfs_url *nfs_parse_url_full(struct nfs_context *nfs, const char *url) | |
373 | { | |
374 | return nfs_parse_url(nfs, url, 0, 0); | |
375 | } | |
376 | ||
377 | struct nfs_url *nfs_parse_url_dir(struct nfs_context *nfs, const char *url) | |
378 | { | |
379 | return nfs_parse_url(nfs, url, 1, 0); | |
380 | } | |
381 | ||
382 | struct nfs_url *nfs_parse_url_incomplete(struct nfs_context *nfs, const char *url) | |
383 | { | |
384 | return nfs_parse_url(nfs, url, 0, 1); | |
385 | } | |
386 | ||
387 | ||
388 | void nfs_destroy_url(struct nfs_url *url) | |
389 | { | |
390 | if (url) { | |
391 | free(url->server); | |
392 | free(url->path); | |
393 | free(url->file); | |
394 | } | |
395 | free(url); | |
396 | } | |
397 | ||
84004dbf RS |
398 | struct nfs_context *nfs_init_context(void) |
399 | { | |
400 | struct nfs_context *nfs; | |
401 | ||
402 | nfs = malloc(sizeof(struct nfs_context)); | |
403 | if (nfs == NULL) { | |
84004dbf RS |
404 | return NULL; |
405 | } | |
f893b680 RS |
406 | memset(nfs, 0, sizeof(struct nfs_context)); |
407 | ||
84004dbf RS |
408 | nfs->rpc = rpc_init_context(); |
409 | if (nfs->rpc == NULL) { | |
84004dbf RS |
410 | free(nfs); |
411 | return NULL; | |
412 | } | |
413 | ||
f893b680 | 414 | nfs->cwd = strdup("/"); |
963c2f83 | 415 | |
84004dbf RS |
416 | return nfs; |
417 | } | |
418 | ||
419 | void nfs_destroy_context(struct nfs_context *nfs) | |
420 | { | |
421 | rpc_destroy_context(nfs->rpc); | |
422 | nfs->rpc = NULL; | |
423 | ||
424 | if (nfs->server) { | |
425 | free(nfs->server); | |
426 | nfs->server = NULL; | |
427 | } | |
428 | ||
429 | if (nfs->export) { | |
430 | free(nfs->export); | |
431 | nfs->export = NULL; | |
432 | } | |
433 | ||
f893b680 RS |
434 | if (nfs->cwd) { |
435 | free(nfs->cwd); | |
436 | nfs->cwd = NULL; | |
437 | } | |
438 | ||
84004dbf RS |
439 | if (nfs->rootfh.data.data_val != NULL) { |
440 | free(nfs->rootfh.data.data_val); | |
441 | nfs->rootfh.data.data_val = NULL; | |
442 | } | |
443 | ||
56e96539 RS |
444 | while (nfs->dircache) { |
445 | struct nfsdir *nfsdir = nfs->dircache; | |
446 | LIBNFS_LIST_REMOVE(&nfs->dircache, nfsdir); | |
447 | nfs_free_nfsdir(nfsdir); | |
448 | } | |
449 | ||
84004dbf RS |
450 | free(nfs); |
451 | } | |
452 | ||
8733f38d RS |
453 | struct rpc_cb_data { |
454 | char *server; | |
455 | uint32_t program; | |
456 | uint32_t version; | |
457 | ||
458 | rpc_cb cb; | |
459 | void *private_data; | |
2452c57f | 460 | }; |
8733f38d RS |
461 | |
462 | void free_rpc_cb_data(struct rpc_cb_data *data) | |
463 | { | |
464 | free(data->server); | |
465 | data->server = NULL; | |
466 | free(data); | |
467 | } | |
468 | ||
f694a287 RS |
469 | static void rpc_connect_program_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
470 | { | |
471 | struct rpc_cb_data *data = private_data; | |
472 | ||
473 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
474 | ||
475 | /* Dont want any more callbacks even if the socket is closed */ | |
476 | rpc->connect_cb = NULL; | |
477 | ||
478 | if (status == RPC_STATUS_ERROR) { | |
479 | data->cb(rpc, status, command_data, data->private_data); | |
480 | free_rpc_cb_data(data); | |
481 | return; | |
482 | } | |
483 | if (status == RPC_STATUS_CANCEL) { | |
484 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
485 | free_rpc_cb_data(data); | |
486 | return; | |
487 | } | |
488 | ||
489 | data->cb(rpc, status, NULL, data->private_data); | |
490 | free_rpc_cb_data(data); | |
491 | } | |
492 | ||
8733f38d RS |
493 | static void rpc_connect_program_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
494 | { | |
495 | struct rpc_cb_data *data = private_data; | |
496 | ||
497 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
498 | ||
499 | /* Dont want any more callbacks even if the socket is closed */ | |
500 | rpc->connect_cb = NULL; | |
501 | ||
502 | if (status == RPC_STATUS_ERROR) { | |
503 | data->cb(rpc, status, command_data, data->private_data); | |
504 | free_rpc_cb_data(data); | |
505 | return; | |
506 | } | |
507 | if (status == RPC_STATUS_CANCEL) { | |
508 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
509 | free_rpc_cb_data(data); | |
510 | return; | |
511 | } | |
512 | ||
f694a287 RS |
513 | switch (data->program) { |
514 | case MOUNT_PROGRAM: | |
515 | if (rpc_mount3_null_async(rpc, rpc_connect_program_5_cb, | |
516 | data) != 0) { | |
517 | data->cb(rpc, status, command_data, data->private_data); | |
518 | free_rpc_cb_data(data); | |
519 | return; | |
520 | } | |
521 | return; | |
522 | case NFS_PROGRAM: | |
523 | if (rpc_nfs3_null_async(rpc, rpc_connect_program_5_cb, | |
524 | data) != 0) { | |
525 | data->cb(rpc, status, command_data, data->private_data); | |
526 | free_rpc_cb_data(data); | |
527 | return; | |
528 | } | |
529 | return; | |
530 | } | |
531 | ||
8733f38d RS |
532 | data->cb(rpc, status, NULL, data->private_data); |
533 | free_rpc_cb_data(data); | |
534 | } | |
535 | ||
536 | static void rpc_connect_program_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
537 | { | |
538 | struct rpc_cb_data *data = private_data; | |
24f45c54 | 539 | struct pmap3_string_result *gar; |
6c60e282 RS |
540 | uint32_t rpc_port = 0; |
541 | unsigned char *ptr; | |
8733f38d RS |
542 | |
543 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
544 | ||
4b1ae88a | 545 | if (status == RPC_STATUS_ERROR) { |
8733f38d RS |
546 | data->cb(rpc, status, command_data, data->private_data); |
547 | free_rpc_cb_data(data); | |
548 | return; | |
549 | } | |
550 | if (status == RPC_STATUS_CANCEL) { | |
551 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
552 | free_rpc_cb_data(data); | |
553 | return; | |
554 | } | |
555 | ||
6c60e282 RS |
556 | switch (rpc->s.ss_family) { |
557 | case AF_INET: | |
558 | rpc_port = *(uint32_t *)command_data; | |
559 | break; | |
560 | case AF_INET6: | |
561 | /* ouch. portmapper and ipv6 are not great */ | |
562 | gar = command_data; | |
563 | if (gar->addr == NULL) { | |
564 | break; | |
565 | } | |
566 | ptr = strrchr(gar->addr, '.'); | |
567 | if (ptr == NULL) { | |
568 | break; | |
569 | } | |
570 | rpc_port = atoi(ptr + 1); | |
571 | *ptr = 0; | |
572 | ptr = strrchr(gar->addr, '.'); | |
573 | if (ptr == NULL) { | |
574 | break; | |
575 | } | |
576 | rpc_port += 256 * atoi(ptr + 1); | |
577 | break; | |
578 | } | |
8733f38d RS |
579 | if (rpc_port == 0) { |
580 | rpc_set_error(rpc, "RPC error. Program is not available on %s", data->server); | |
581 | data->cb(rpc, RPC_STATUS_ERROR, rpc_get_error(rpc), data->private_data); | |
582 | free_rpc_cb_data(data); | |
583 | return; | |
584 | } | |
585 | ||
586 | rpc_disconnect(rpc, "normal disconnect"); | |
587 | if (rpc_connect_async(rpc, data->server, rpc_port, rpc_connect_program_4_cb, data) != 0) { | |
588 | data->cb(rpc, status, command_data, data->private_data); | |
589 | free_rpc_cb_data(data); | |
590 | return; | |
591 | } | |
592 | } | |
593 | ||
594 | static void rpc_connect_program_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
595 | { | |
596 | struct rpc_cb_data *data = private_data; | |
6c60e282 | 597 | struct pmap3_mapping map; |
8733f38d RS |
598 | |
599 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
600 | ||
601 | if (status == RPC_STATUS_ERROR) { | |
602 | data->cb(rpc, status, command_data, data->private_data); | |
603 | free_rpc_cb_data(data); | |
604 | return; | |
605 | } | |
606 | if (status == RPC_STATUS_CANCEL) { | |
607 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
608 | free_rpc_cb_data(data); | |
609 | return; | |
610 | } | |
611 | ||
6c60e282 RS |
612 | switch (rpc->s.ss_family) { |
613 | case AF_INET: | |
614 | if (rpc_pmap2_getport_async(rpc, data->program, data->version, IPPROTO_TCP, 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; | |
620 | case AF_INET6: | |
621 | map.prog=data->program; | |
622 | map.vers=data->version; | |
623 | map.netid=""; | |
624 | map.addr=""; | |
625 | map.owner=""; | |
626 | if (rpc_pmap3_getaddr_async(rpc, &map, rpc_connect_program_3_cb, private_data) != 0) { | |
627 | data->cb(rpc, status, command_data, data->private_data); | |
628 | free_rpc_cb_data(data); | |
629 | return; | |
630 | } | |
631 | break; | |
8733f38d RS |
632 | } |
633 | } | |
634 | ||
635 | static void rpc_connect_program_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
636 | { | |
637 | struct rpc_cb_data *data = private_data; | |
638 | ||
639 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
640 | ||
641 | /* Dont want any more callbacks even if the socket is closed */ | |
642 | rpc->connect_cb = NULL; | |
643 | ||
644 | if (status == RPC_STATUS_ERROR) { | |
645 | data->cb(rpc, status, command_data, data->private_data); | |
646 | free_rpc_cb_data(data); | |
647 | return; | |
648 | } | |
649 | if (status == RPC_STATUS_CANCEL) { | |
650 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
651 | free_rpc_cb_data(data); | |
652 | return; | |
653 | } | |
654 | ||
6c60e282 RS |
655 | switch (rpc->s.ss_family) { |
656 | case AF_INET: | |
657 | if (rpc_pmap2_null_async(rpc, rpc_connect_program_2_cb, data) != 0) { | |
658 | data->cb(rpc, status, command_data, data->private_data); | |
659 | free_rpc_cb_data(data); | |
660 | return; | |
661 | } | |
662 | break; | |
663 | case AF_INET6: | |
664 | if (rpc_pmap3_null_async(rpc, rpc_connect_program_2_cb, data) != 0) { | |
665 | data->cb(rpc, status, command_data, data->private_data); | |
666 | free_rpc_cb_data(data); | |
667 | return; | |
668 | } | |
669 | break; | |
8733f38d RS |
670 | } |
671 | } | |
672 | ||
f694a287 | 673 | int rpc_connect_program_async(struct rpc_context *rpc, const char *server, int program, int version, rpc_cb cb, void *private_data) |
8733f38d RS |
674 | { |
675 | struct rpc_cb_data *data; | |
676 | ||
677 | data = malloc(sizeof(struct rpc_cb_data)); | |
678 | if (data == NULL) { | |
679 | return -1; | |
680 | } | |
681 | memset(data, 0, sizeof(struct rpc_cb_data)); | |
682 | data->server = strdup(server); | |
683 | data->program = program; | |
684 | data->version = version; | |
685 | ||
686 | data->cb = cb; | |
687 | data->private_data = private_data; | |
688 | ||
689 | if (rpc_connect_async(rpc, server, 111, rpc_connect_program_1_cb, data) != 0) { | |
690 | rpc_set_error(rpc, "Failed to start connection"); | |
691 | free_rpc_cb_data(data); | |
692 | return -1; | |
693 | } | |
694 | return 0; | |
695 | } | |
696 | ||
2fa14f9b | 697 | static void free_nfs_cb_data(struct nfs_cb_data *data) |
84004dbf | 698 | { |
84004dbf | 699 | if (data->continue_data != NULL) { |
206a2ff6 | 700 | assert(data->free_continue_data); |
84004dbf | 701 | data->free_continue_data(data->continue_data); |
84004dbf RS |
702 | } |
703 | ||
2fa14f9b AR |
704 | free(data->saved_path); |
705 | free(data->fh.data.data_val); | |
706 | free(data->buffer); | |
921f877b | 707 | |
84004dbf RS |
708 | free(data); |
709 | } | |
710 | ||
370c59e3 RL |
711 | static void free_nfsfh(struct nfsfh *nfsfh) |
712 | { | |
713 | if (nfsfh->fh.data.data_val != NULL) { | |
714 | free(nfsfh->fh.data.data_val); | |
715 | nfsfh->fh.data.data_val = NULL; | |
716 | } | |
717 | free(nfsfh->ra.buf); | |
718 | free(nfsfh); | |
719 | } | |
720 | ||
84004dbf | 721 | |
f3a75078 | 722 | static void nfs_mount_10_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
723 | { |
724 | struct nfs_cb_data *data = private_data; | |
725 | struct nfs_context *nfs = data->nfs; | |
726 | ||
f3a75078 RS |
727 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
728 | ||
84004dbf RS |
729 | if (status == RPC_STATUS_ERROR) { |
730 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
731 | free_nfs_cb_data(data); | |
732 | return; | |
733 | } | |
734 | if (status == RPC_STATUS_CANCEL) { | |
735 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
736 | free_nfs_cb_data(data); | |
737 | return; | |
738 | } | |
739 | ||
740 | data->cb(0, nfs, NULL, data->private_data); | |
741 | free_nfs_cb_data(data); | |
742 | } | |
743 | ||
17ef62fa | 744 | static void nfs_mount_9_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
745 | { |
746 | struct nfs_cb_data *data = private_data; | |
747 | struct nfs_context *nfs = data->nfs; | |
17ef62fa | 748 | FSINFO3res *res = command_data; |
463d59bf | 749 | struct GETATTR3args args; |
84004dbf | 750 | |
f3a75078 RS |
751 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
752 | ||
84004dbf RS |
753 | if (status == RPC_STATUS_ERROR) { |
754 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
755 | free_nfs_cb_data(data); | |
756 | return; | |
757 | } | |
758 | if (status == RPC_STATUS_CANCEL) { | |
759 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
760 | free_nfs_cb_data(data); | |
761 | return; | |
762 | } | |
763 | ||
17ef62fa RS |
764 | nfs->readmax = res->FSINFO3res_u.resok.rtmax; |
765 | nfs->writemax = res->FSINFO3res_u.resok.wtmax; | |
84004dbf | 766 | |
463d59bf | 767 | memset(&args, 0, sizeof(GETATTR3args)); |
2452c57f | 768 | args.object = nfs->rootfh; |
463d59bf RS |
769 | |
770 | if (rpc_nfs3_getattr_async(rpc, nfs_mount_10_cb, &args, data) != 0) { | |
84004dbf RS |
771 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
772 | free_nfs_cb_data(data); | |
773 | return; | |
774 | } | |
775 | } | |
776 | ||
17ef62fa RS |
777 | static void nfs_mount_8_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
778 | { | |
779 | struct nfs_cb_data *data = private_data; | |
780 | struct nfs_context *nfs = data->nfs; | |
c4ba61c5 | 781 | struct FSINFO3args args; |
17ef62fa | 782 | |
f3a75078 RS |
783 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
784 | ||
17ef62fa RS |
785 | if (status == RPC_STATUS_ERROR) { |
786 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
787 | free_nfs_cb_data(data); | |
788 | return; | |
789 | } | |
790 | if (status == RPC_STATUS_CANCEL) { | |
791 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
792 | free_nfs_cb_data(data); | |
793 | return; | |
794 | } | |
795 | ||
28ee9de2 RL |
796 | /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */ |
797 | rpc_set_autoreconnect(rpc); | |
798 | ||
c4ba61c5 RS |
799 | args.fsroot = nfs->rootfh; |
800 | if (rpc_nfs3_fsinfo_async(rpc, nfs_mount_9_cb, &args, data) != 0) { | |
17ef62fa RS |
801 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
802 | free_nfs_cb_data(data); | |
803 | return; | |
804 | } | |
805 | } | |
806 | ||
84004dbf RS |
807 | static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
808 | { | |
809 | struct nfs_cb_data *data = private_data; | |
810 | struct nfs_context *nfs = data->nfs; | |
811 | mountres3 *res; | |
812 | ||
f3a75078 RS |
813 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
814 | ||
84004dbf RS |
815 | if (status == RPC_STATUS_ERROR) { |
816 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
817 | free_nfs_cb_data(data); | |
818 | return; | |
819 | } | |
820 | if (status == RPC_STATUS_CANCEL) { | |
821 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
822 | free_nfs_cb_data(data); | |
823 | return; | |
824 | } | |
825 | ||
826 | res = command_data; | |
827 | if (res->fhs_status != MNT3_OK) { | |
828 | 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)); | |
829 | data->cb(mountstat3_to_errno(res->fhs_status), nfs, rpc_get_error(rpc), data->private_data); | |
830 | free_nfs_cb_data(data); | |
831 | return; | |
832 | } | |
833 | ||
834 | nfs->rootfh.data.data_len = res->mountres3_u.mountinfo.fhandle.fhandle3_len; | |
835 | nfs->rootfh.data.data_val = malloc(nfs->rootfh.data.data_len); | |
836 | if (nfs->rootfh.data.data_val == NULL) { | |
837 | rpc_set_error(rpc, "Out of memory. Could not allocate memory to store root filehandle"); | |
838 | data->cb(-ENOMEM, nfs, rpc_get_error(rpc), data->private_data); | |
839 | free_nfs_cb_data(data); | |
840 | return; | |
841 | } | |
842 | memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len); | |
843 | ||
844 | rpc_disconnect(rpc, "normal disconnect"); | |
f694a287 RS |
845 | |
846 | if (rpc_connect_program_async(nfs->rpc, nfs->server, NFS_PROGRAM, NFS_V3, nfs_mount_8_cb, data) != 0) { | |
84004dbf RS |
847 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
848 | free_nfs_cb_data(data); | |
849 | return; | |
850 | } | |
851 | } | |
852 | ||
853 | ||
854 | static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
855 | { | |
856 | struct nfs_cb_data *data = private_data; | |
857 | struct nfs_context *nfs = data->nfs; | |
858 | ||
f3a75078 RS |
859 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
860 | ||
84004dbf RS |
861 | if (status == RPC_STATUS_ERROR) { |
862 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
863 | free_nfs_cb_data(data); | |
864 | return; | |
865 | } | |
866 | if (status == RPC_STATUS_CANCEL) { | |
867 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
868 | free_nfs_cb_data(data); | |
869 | return; | |
870 | } | |
871 | ||
eda77ec3 | 872 | if (rpc_mount3_mnt_async(rpc, nfs_mount_6_cb, nfs->export, data) != 0) { |
84004dbf RS |
873 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
874 | free_nfs_cb_data(data); | |
875 | return; | |
876 | } | |
877 | } | |
878 | ||
84004dbf RS |
879 | /* |
880 | * Async call for mounting an nfs share and geting the root filehandle | |
881 | */ | |
882 | int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data) | |
883 | { | |
884 | struct nfs_cb_data *data; | |
b077fdeb | 885 | char *new_server, *new_export; |
84004dbf RS |
886 | |
887 | data = malloc(sizeof(struct nfs_cb_data)); | |
888 | if (data == NULL) { | |
cbbf9d3e | 889 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data"); |
84004dbf RS |
890 | return -1; |
891 | } | |
ea98629a | 892 | memset(data, 0, sizeof(struct nfs_cb_data)); |
b077fdeb RS |
893 | new_server = strdup(server); |
894 | new_export = strdup(export); | |
895 | if (nfs->server != NULL) { | |
896 | free(nfs->server); | |
b077fdeb RS |
897 | } |
898 | nfs->server = new_server; | |
899 | if (nfs->export != NULL) { | |
900 | free(nfs->export); | |
b077fdeb RS |
901 | } |
902 | nfs->export = new_export; | |
84004dbf RS |
903 | data->nfs = nfs; |
904 | data->cb = cb; | |
905 | data->private_data = private_data; | |
906 | ||
f694a287 | 907 | if (rpc_connect_program_async(nfs->rpc, server, MOUNT_PROGRAM, MOUNT_V3, nfs_mount_5_cb, data) != 0) { |
cbbf9d3e | 908 | rpc_set_error(nfs->rpc, "Failed to start connection"); |
84004dbf | 909 | free_nfs_cb_data(data); |
cbbf9d3e | 910 | return -1; |
84004dbf RS |
911 | } |
912 | ||
913 | return 0; | |
914 | } | |
915 | ||
916 | ||
917 | ||
918 | /* | |
919 | * Functions to first look up a path, component by component, and then finally call a specific function once | |
920 | * the filehandle for the final component is found. | |
921 | */ | |
1d151991 RL |
922 | static void nfs_lookup_path_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
923 | { | |
924 | struct nfs_cb_data *data = private_data; | |
925 | struct nfs_context *nfs = data->nfs; | |
926 | READLINK3res *res; | |
927 | char *path, *newpath; | |
928 | ||
929 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
930 | ||
931 | if (status == RPC_STATUS_ERROR) { | |
932 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
933 | free_nfs_cb_data(data); | |
934 | return; | |
935 | } | |
936 | if (status == RPC_STATUS_CANCEL) { | |
937 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
938 | free_nfs_cb_data(data); | |
939 | return; | |
940 | } | |
941 | ||
942 | res = command_data; | |
943 | if (res->status != NFS3_OK) { | |
944 | 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)); | |
945 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
946 | free_nfs_cb_data(data); | |
947 | return; | |
948 | } | |
949 | ||
950 | path = res->READLINK3res_u.resok.data; | |
951 | ||
952 | /* Handle absolute paths, ensuring that the path lies within the | |
953 | * export. */ | |
954 | if (path[0] == '/') { | |
955 | if (strstr(path, nfs->export) == path) { | |
956 | char *ptr = path + strlen(nfs->export); | |
957 | if (*ptr == '/') { | |
958 | newpath = strdup(ptr); | |
959 | } else if (*ptr == '\0') { | |
960 | newpath = strdup("/"); | |
961 | } else { | |
962 | data->cb(-ENOENT, nfs, "Symbolic link points outside export", data->private_data); | |
963 | free_nfs_cb_data(data); | |
964 | return; | |
965 | } | |
966 | } else { | |
967 | data->cb(-ENOENT, nfs, "Symbolic link points outside export", data->private_data); | |
968 | free_nfs_cb_data(data); | |
969 | return; | |
970 | } | |
971 | ||
972 | if (!newpath) | |
973 | goto nomem; | |
974 | } else { | |
975 | /* Handle relative paths, both the case where the current | |
976 | * component is an intermediate component and when it is the | |
977 | * final component. */ | |
978 | if (data->path[0]) { | |
979 | /* Since path points to a component and saved_path | |
980 | * always starts with '/', path[-1] is valid. */ | |
981 | data->path[-1] = '\0'; | |
982 | newpath = malloc(strlen(data->saved_path) + strlen(path) + strlen(data->path) + 6); | |
983 | if (!newpath) | |
984 | goto nomem; | |
985 | ||
986 | sprintf(newpath, "%s/../%s/%s", data->saved_path, path, data->path); | |
987 | } else { | |
988 | newpath = malloc(strlen(data->saved_path) + strlen(path) + 5); | |
989 | if (!newpath) | |
990 | goto nomem; | |
991 | ||
992 | sprintf(newpath, "%s/../%s", data->saved_path, path); | |
993 | } | |
994 | } | |
995 | free(data->saved_path); | |
996 | data->saved_path = newpath; | |
997 | ||
998 | if (nfs_normalize_path(nfs, data->saved_path) != 0) { | |
999 | data->cb(-ENOENT, nfs, "Symbolic link resolves to invalid path", data->private_data); | |
1000 | free_nfs_cb_data(data); | |
1001 | return; | |
1002 | } | |
1003 | ||
1004 | data->path = data->saved_path; | |
1005 | nfs_lookup_path_async_internal(nfs, NULL, data, &nfs->rootfh); | |
1006 | return; | |
1007 | ||
1008 | nomem: | |
1009 | data->cb(-ENOMEM, nfs, "Failed to allocate memory for path", data->private_data); | |
1010 | free_nfs_cb_data(data); | |
1011 | } | |
1012 | ||
f3a75078 | 1013 | static void nfs_lookup_path_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1014 | { |
1015 | struct nfs_cb_data *data = private_data; | |
1016 | struct nfs_context *nfs = data->nfs; | |
1017 | LOOKUP3res *res; | |
20379f03 | 1018 | fattr3 *attr; |
84004dbf | 1019 | |
f3a75078 RS |
1020 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1021 | ||
84004dbf RS |
1022 | if (status == RPC_STATUS_ERROR) { |
1023 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1024 | free_nfs_cb_data(data); | |
1025 | return; | |
1026 | } | |
1027 | if (status == RPC_STATUS_CANCEL) { | |
1028 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1029 | free_nfs_cb_data(data); | |
1030 | return; | |
1031 | } | |
1032 | ||
1033 | res = command_data; | |
1034 | if (res->status != NFS3_OK) { | |
1035 | 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)); | |
1036 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1037 | free_nfs_cb_data(data); | |
1038 | return; | |
1039 | } | |
1040 | ||
20379f03 RS |
1041 | attr = res->LOOKUP3res_u.resok.obj_attributes.attributes_follow ? |
1042 | &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes : | |
1043 | NULL; | |
1044 | ||
1045 | /* This function will always invoke the callback and cleanup | |
1046 | * for failures. So no need to check the return value. | |
1047 | */ | |
1048 | nfs_lookup_path_async_internal(nfs, attr, data, &res->LOOKUP3res_u.resok.object); | |
84004dbf RS |
1049 | } |
1050 | ||
1d151991 | 1051 | static int nfs_lookup_path_async_internal(struct nfs_context *nfs, fattr3 *attr, struct nfs_cb_data *data, struct nfs_fh3 *fh) |
84004dbf | 1052 | { |
f893b680 | 1053 | char *path, *slash; |
463d59bf | 1054 | LOOKUP3args args; |
84004dbf RS |
1055 | |
1056 | while (*data->path == '/') { | |
1057 | data->path++; | |
1058 | } | |
1059 | ||
1060 | path = data->path; | |
f893b680 | 1061 | slash = strchr(path, '/'); |
1d151991 RL |
1062 | |
1063 | if (attr && attr->type == NF3LNK && (!data->no_follow || *path != '\0')) { | |
1064 | READLINK3args args; | |
1065 | ||
1066 | if (data->link_count++ >= MAX_LINK_COUNT) { | |
1067 | data->cb(-ELOOP, nfs, "Too many levels of symbolic links", data->private_data); | |
1068 | free_nfs_cb_data(data); | |
1069 | return -1; | |
1070 | } | |
1071 | ||
1072 | args.symlink = *fh; | |
1073 | ||
1074 | if (rpc_nfs3_readlink_async(nfs->rpc, nfs_lookup_path_2_cb, &args, data) != 0) { | |
1075 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path); | |
1076 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1077 | free_nfs_cb_data(data); | |
1078 | return -1; | |
1079 | } | |
1080 | ||
1081 | if (slash != NULL) { | |
1082 | *slash = '/'; | |
1083 | } | |
1084 | return 0; | |
1085 | } | |
1086 | ||
f893b680 RS |
1087 | if (slash != NULL) { |
1088 | /* Clear slash so that path is a zero terminated string for | |
1089 | * the current path component. Set it back to '/' again later | |
1090 | * when we are finished referencing this component so that | |
1091 | * data->saved_path will still point to the full | |
1092 | * normalized path. | |
1093 | */ | |
1094 | *slash = 0; | |
1095 | data->path = slash+1; | |
84004dbf RS |
1096 | } else { |
1097 | while (*data->path != 0) { | |
1098 | data->path++; | |
1099 | } | |
1100 | } | |
1101 | ||
1102 | if (*path == 0) { | |
1103 | data->fh.data.data_len = fh->data.data_len; | |
1104 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
1105 | if (data->fh.data.data_val == NULL) { | |
1106 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh for %s", data->path); | |
1107 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1108 | free_nfs_cb_data(data); | |
1109 | return -1; | |
1110 | } | |
1111 | memcpy(data->fh.data.data_val, fh->data.data_val, data->fh.data.data_len); | |
f893b680 RS |
1112 | if (slash != NULL) { |
1113 | *slash = '/'; | |
1114 | } | |
20379f03 | 1115 | data->continue_cb(nfs, attr, data); |
84004dbf RS |
1116 | return 0; |
1117 | } | |
1118 | ||
463d59bf | 1119 | memset(&args, 0, sizeof(LOOKUP3args)); |
2452c57f RS |
1120 | args.what.dir = *fh; |
1121 | args.what.name = path; | |
463d59bf RS |
1122 | |
1123 | if (rpc_nfs3_lookup_async(nfs->rpc, nfs_lookup_path_1_cb, &args, data) != 0) { | |
84004dbf RS |
1124 | rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s", data->path); |
1125 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1126 | free_nfs_cb_data(data); | |
1127 | return -1; | |
1128 | } | |
f893b680 RS |
1129 | if (slash != NULL) { |
1130 | *slash = '/'; | |
1131 | } | |
1132 | return 0; | |
1133 | } | |
1134 | ||
1135 | static int nfs_normalize_path(struct nfs_context *nfs, char *path) | |
1136 | { | |
1137 | char *str; | |
1138 | int len; | |
1139 | ||
1140 | /* // -> / */ | |
4b1ae88a | 1141 | while ((str = strstr(path, "//"))) { |
f893b680 RS |
1142 | while(*str) { |
1143 | *str = *(str + 1); | |
1144 | str++; | |
1145 | } | |
1146 | } | |
1147 | ||
1148 | /* /./ -> / */ | |
4b1ae88a | 1149 | while ((str = strstr(path, "/./"))) { |
f893b680 RS |
1150 | while(*(str + 1)) { |
1151 | *str = *(str + 2); | |
1152 | str++; | |
1153 | } | |
1154 | } | |
1155 | ||
1156 | /* ^/../ -> error */ | |
1157 | if (!strncmp(path, "/../", 4)) { | |
1158 | rpc_set_error(nfs->rpc, | |
1159 | "Absolute path starts with '/../' " | |
1160 | "during normalization"); | |
1161 | return -1; | |
1162 | } | |
1163 | ||
1164 | /* ^[^/] -> error */ | |
1165 | if (path[0] != '/') { | |
1166 | rpc_set_error(nfs->rpc, | |
1167 | "Absolute path does not start with '/'"); | |
1168 | return -1; | |
1169 | } | |
1170 | ||
1171 | /* /string/../ -> / */ | |
4b1ae88a | 1172 | while ((str = strstr(path, "/../"))) { |
f893b680 RS |
1173 | char *tmp; |
1174 | ||
1175 | if (!strncmp(path, "/../", 4)) { | |
1176 | rpc_set_error(nfs->rpc, | |
1177 | "Absolute path starts with '/../' " | |
1178 | "during normalization"); | |
1179 | return -1; | |
1180 | } | |
1181 | ||
1182 | tmp = str - 1; | |
1183 | while (*tmp != '/') { | |
1184 | tmp--; | |
1185 | } | |
1186 | str += 3; | |
1187 | while((*(tmp++) = *(str++)) != '\0') | |
1188 | ; | |
1189 | } | |
1190 | ||
1191 | /* /$ -> \0 */ | |
1192 | len = strlen(path); | |
d5f78806 | 1193 | if (len > 1) { |
f893b680 RS |
1194 | if (path[len - 1] == '/') { |
1195 | path[len - 1] = '\0'; | |
1196 | len--; | |
1197 | } | |
1198 | } | |
1199 | if (path[0] == '\0') { | |
1200 | rpc_set_error(nfs->rpc, | |
1201 | "Absolute path became '' " | |
1202 | "during normalization"); | |
1203 | return -1; | |
1204 | } | |
1205 | ||
1206 | /* /.$ -> \0 */ | |
1207 | if (len >= 2) { | |
1208 | if (!strcmp(&path[len - 2], "/.")) { | |
1209 | path[len - 2] = '\0'; | |
1210 | len -= 2; | |
1211 | } | |
1212 | } | |
1213 | ||
1214 | /* ^/..$ -> error */ | |
1215 | if (!strcmp(path, "/..")) { | |
1216 | rpc_set_error(nfs->rpc, | |
1217 | "Absolute path is '/..' " | |
1218 | "during normalization"); | |
1219 | return -1; | |
1220 | } | |
1221 | ||
1222 | /* /string/..$ -> / */ | |
1223 | if (len >= 3) { | |
1224 | if (!strcmp(&path[len - 3], "/..")) { | |
1225 | char *tmp = &path[len - 3]; | |
1226 | while (*--tmp != '/') | |
1227 | ; | |
4b1ae88a | 1228 | *tmp = '\0'; |
f893b680 RS |
1229 | } |
1230 | } | |
1231 | ||
84004dbf RS |
1232 | return 0; |
1233 | } | |
1234 | ||
20379f03 RS |
1235 | static void nfs_lookup_path_getattr_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
1236 | { | |
1237 | struct nfs_cb_data *data = private_data; | |
1238 | struct nfs_context *nfs = data->nfs; | |
1239 | GETATTR3res *res; | |
1240 | fattr3 *attr; | |
1241 | ||
1242 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
1243 | ||
1244 | if (status == RPC_STATUS_ERROR) { | |
1245 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1246 | free_nfs_cb_data(data); | |
1247 | return; | |
1248 | } | |
1249 | if (status == RPC_STATUS_CANCEL) { | |
1250 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1251 | free_nfs_cb_data(data); | |
1252 | return; | |
1253 | } | |
1254 | ||
1255 | res = command_data; | |
1256 | if (res->status != NFS3_OK) { | |
1257 | 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)); | |
1258 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1259 | free_nfs_cb_data(data); | |
1260 | return; | |
1261 | } | |
1262 | ||
1263 | attr = &res->GETATTR3res_u.resok.obj_attributes; | |
1264 | /* This function will always invoke the callback and cleanup | |
1265 | * for failures. So no need to check the return value. | |
1266 | */ | |
1267 | nfs_lookup_path_async_internal(nfs, attr, data, &nfs->rootfh); | |
1268 | } | |
1269 | ||
1d151991 | 1270 | static int nfs_lookuppath_async(struct nfs_context *nfs, const char *path, int no_follow, nfs_cb cb, void *private_data, continue_func continue_cb, void *continue_data, void (*free_continue_data)(void *), int continue_int) |
84004dbf RS |
1271 | { |
1272 | struct nfs_cb_data *data; | |
20379f03 | 1273 | struct GETATTR3args args; |
84004dbf | 1274 | |
f893b680 | 1275 | if (path[0] == '\0') { |
34edf264 | 1276 | path = "."; |
84004dbf RS |
1277 | } |
1278 | ||
1279 | data = malloc(sizeof(struct nfs_cb_data)); | |
1280 | if (data == NULL) { | |
f893b680 RS |
1281 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate " |
1282 | "nfs_cb_data structure"); | |
e59193c9 AR |
1283 | if (free_continue_data) |
1284 | free_continue_data(continue_data); | |
cbbf9d3e | 1285 | return -1; |
84004dbf | 1286 | } |
ea98629a | 1287 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
1288 | data->nfs = nfs; |
1289 | data->cb = cb; | |
1290 | data->continue_cb = continue_cb; | |
1291 | data->continue_data = continue_data; | |
1292 | data->free_continue_data = free_continue_data; | |
1293 | data->continue_int = continue_int; | |
1294 | data->private_data = private_data; | |
1d151991 | 1295 | data->no_follow = no_follow; |
f893b680 RS |
1296 | if (path[0] == '/') { |
1297 | data->saved_path = strdup(path); | |
1298 | } else { | |
1299 | data->saved_path = malloc(strlen(path) + strlen(nfs->cwd) + 2); | |
1300 | if (data->saved_path == NULL) { | |
1301 | rpc_set_error(nfs->rpc, "out of memory: failed to " | |
1302 | "malloc path string"); | |
1303 | free_nfs_cb_data(data); | |
1304 | return -1; | |
1305 | } | |
1306 | sprintf(data->saved_path, "%s/%s", nfs->cwd, path); | |
1307 | } | |
1308 | ||
84004dbf RS |
1309 | if (data->saved_path == NULL) { |
1310 | rpc_set_error(nfs->rpc, "out of memory: failed to copy path string"); | |
84004dbf | 1311 | free_nfs_cb_data(data); |
cbbf9d3e | 1312 | return -1; |
84004dbf | 1313 | } |
f893b680 RS |
1314 | if (nfs_normalize_path(nfs, data->saved_path) != 0) { |
1315 | free_nfs_cb_data(data); | |
1316 | return -1; | |
1317 | } | |
1318 | ||
84004dbf | 1319 | data->path = data->saved_path; |
20379f03 RS |
1320 | if (data->path[0]) { |
1321 | /* This function will always invoke the callback and cleanup | |
1322 | * for failures. So no need to check the return value. | |
1323 | */ | |
1324 | nfs_lookup_path_async_internal(nfs, NULL, data, &nfs->rootfh); | |
84004dbf RS |
1325 | return 0; |
1326 | } | |
20379f03 RS |
1327 | |
1328 | /* We have a request for "", so just perform a GETATTR3 so we can | |
1329 | * return the attributes to the caller. | |
1330 | */ | |
1331 | memset(&args, 0, sizeof(GETATTR3args)); | |
1332 | args.object = nfs->rootfh; | |
1333 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lookup_path_getattr_cb, &args, data) != 0) { | |
1334 | free_nfs_cb_data(data); | |
1335 | return -1; | |
1336 | } | |
84004dbf RS |
1337 | return 0; |
1338 | } | |
1339 | ||
1340 | ||
84004dbf RS |
1341 | /* |
1342 | * Async stat() | |
1343 | */ | |
fc08ac45 RL |
1344 | static dev_t specdata3_to_rdev(struct specdata3 *rdev) |
1345 | { | |
1346 | #ifdef makedev | |
1347 | return makedev(rdev->specdata1, rdev->specdata2); | |
1348 | #else | |
1349 | return 0; | |
1350 | #endif | |
1351 | } | |
1352 | ||
f3a75078 | 1353 | static void nfs_stat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1354 | { |
1355 | GETATTR3res *res; | |
1356 | struct nfs_cb_data *data = private_data; | |
1357 | struct nfs_context *nfs = data->nfs; | |
be184101 M |
1358 | #ifdef WIN32 |
1359 | struct __stat64 st; | |
1360 | #else | |
84004dbf | 1361 | struct stat st; |
be184101 | 1362 | #endif |
84004dbf | 1363 | |
f3a75078 RS |
1364 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1365 | ||
84004dbf RS |
1366 | if (status == RPC_STATUS_ERROR) { |
1367 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1368 | free_nfs_cb_data(data); | |
1369 | return; | |
1370 | } | |
1371 | if (status == RPC_STATUS_CANCEL) { | |
1372 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1373 | free_nfs_cb_data(data); | |
1374 | return; | |
1375 | } | |
1376 | ||
1377 | res = command_data; | |
1378 | if (res->status != NFS3_OK) { | |
1379 | 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)); | |
1380 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1381 | free_nfs_cb_data(data); | |
1382 | return; | |
1383 | } | |
1384 | ||
fc08ac45 | 1385 | st.st_dev = res->GETATTR3res_u.resok.obj_attributes.fsid; |
84004dbf RS |
1386 | st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid; |
1387 | st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode; | |
fc08ac45 RL |
1388 | switch (res->GETATTR3res_u.resok.obj_attributes.type) { |
1389 | case NF3REG: | |
1390 | st.st_mode |= S_IFREG; | |
1391 | break; | |
1392 | case NF3DIR: | |
1393 | st.st_mode |= S_IFDIR; | |
1394 | break; | |
1395 | case NF3BLK: | |
1396 | st.st_mode |= S_IFBLK; | |
1397 | break; | |
1398 | case NF3CHR: | |
1399 | st.st_mode |= S_IFCHR; | |
1400 | break; | |
1401 | case NF3LNK: | |
1402 | st.st_mode |= S_IFLNK; | |
1403 | break; | |
1404 | case NF3SOCK: | |
1405 | st.st_mode |= S_IFSOCK; | |
1406 | break; | |
1407 | case NF3FIFO: | |
1408 | st.st_mode |= S_IFIFO; | |
1409 | break; | |
d7ec001f | 1410 | } |
84004dbf RS |
1411 | st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink; |
1412 | st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid; | |
1413 | st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid; | |
fc08ac45 | 1414 | st.st_rdev = specdata3_to_rdev(&res->GETATTR3res_u.resok.obj_attributes.rdev); |
84004dbf | 1415 | st.st_size = res->GETATTR3res_u.resok.obj_attributes.size; |
a8a1b858 | 1416 | #ifndef WIN32 |
3ca2aac9 | 1417 | st.st_blksize = NFS_BLKSIZE; |
fc08ac45 | 1418 | st.st_blocks = (res->GETATTR3res_u.resok.obj_attributes.used + 512 - 1) / 512; |
4b1ae88a | 1419 | #endif//WIN32 |
84004dbf RS |
1420 | st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds; |
1421 | st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds; | |
1422 | st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds; | |
fc08ac45 RL |
1423 | #ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC |
1424 | st.st_atim.tv_nsec = res->GETATTR3res_u.resok.obj_attributes.atime.nseconds; | |
1425 | st.st_mtim.tv_nsec = res->GETATTR3res_u.resok.obj_attributes.mtime.nseconds; | |
1426 | st.st_ctim.tv_nsec = res->GETATTR3res_u.resok.obj_attributes.ctime.nseconds; | |
1427 | #endif | |
84004dbf RS |
1428 | |
1429 | data->cb(0, nfs, &st, data->private_data); | |
1430 | free_nfs_cb_data(data); | |
1431 | } | |
1432 | ||
20379f03 | 1433 | static int nfs_stat_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 1434 | { |
463d59bf RS |
1435 | struct GETATTR3args args; |
1436 | ||
1437 | memset(&args, 0, sizeof(GETATTR3args)); | |
2452c57f | 1438 | args.object = data->fh; |
463d59bf RS |
1439 | |
1440 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) { | |
84004dbf RS |
1441 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); |
1442 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1443 | free_nfs_cb_data(data); | |
1444 | return -1; | |
1445 | } | |
1446 | return 0; | |
1447 | } | |
1448 | ||
1449 | int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1450 | { | |
1d151991 | 1451 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_stat_continue_internal, NULL, NULL, 0) != 0) { |
cbbf9d3e | 1452 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
1453 | return -1; |
1454 | } | |
1455 | ||
1456 | return 0; | |
1457 | } | |
1458 | ||
1459 | ||
479302f7 RS |
1460 | /* |
1461 | * Async nfs_stat64() | |
1462 | */ | |
1463 | static void nfs_stat64_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
1464 | { | |
1465 | GETATTR3res *res; | |
1466 | struct nfs_cb_data *data = private_data; | |
1467 | struct nfs_context *nfs = data->nfs; | |
1468 | struct nfs_stat_64 st; | |
1469 | ||
1470 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
1471 | ||
1472 | if (status == RPC_STATUS_ERROR) { | |
1473 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1474 | free_nfs_cb_data(data); | |
1475 | return; | |
1476 | } | |
1477 | if (status == RPC_STATUS_CANCEL) { | |
1478 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1479 | free_nfs_cb_data(data); | |
1480 | return; | |
1481 | } | |
1482 | ||
1483 | res = command_data; | |
1484 | if (res->status != NFS3_OK) { | |
1485 | 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)); | |
1486 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1487 | free_nfs_cb_data(data); | |
1488 | return; | |
1489 | } | |
1490 | ||
fc08ac45 | 1491 | st.nfs_dev = res->GETATTR3res_u.resok.obj_attributes.fsid; |
479302f7 RS |
1492 | st.nfs_ino = res->GETATTR3res_u.resok.obj_attributes.fileid; |
1493 | st.nfs_mode = res->GETATTR3res_u.resok.obj_attributes.mode; | |
fc08ac45 RL |
1494 | switch (res->GETATTR3res_u.resok.obj_attributes.type) { |
1495 | case NF3REG: | |
1496 | st.nfs_mode |= S_IFREG; | |
1497 | break; | |
1498 | case NF3DIR: | |
1499 | st.nfs_mode |= S_IFDIR; | |
1500 | break; | |
1501 | case NF3BLK: | |
1502 | st.nfs_mode |= S_IFBLK; | |
1503 | break; | |
1504 | case NF3CHR: | |
1505 | st.nfs_mode |= S_IFCHR; | |
1506 | break; | |
1507 | case NF3LNK: | |
1508 | st.nfs_mode |= S_IFLNK; | |
1509 | break; | |
1510 | case NF3SOCK: | |
1511 | st.nfs_mode |= S_IFSOCK; | |
1512 | break; | |
1513 | case NF3FIFO: | |
1514 | st.nfs_mode |= S_IFIFO; | |
1515 | break; | |
479302f7 RS |
1516 | } |
1517 | st.nfs_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink; | |
1518 | st.nfs_uid = res->GETATTR3res_u.resok.obj_attributes.uid; | |
1519 | st.nfs_gid = res->GETATTR3res_u.resok.obj_attributes.gid; | |
fc08ac45 | 1520 | st.nfs_rdev = specdata3_to_rdev(&res->GETATTR3res_u.resok.obj_attributes.rdev); |
479302f7 | 1521 | st.nfs_size = res->GETATTR3res_u.resok.obj_attributes.size; |
fc08ac45 RL |
1522 | st.nfs_blksize = NFS_BLKSIZE; |
1523 | st.nfs_blocks = (res->GETATTR3res_u.resok.obj_attributes.used + 512 - 1) / 512; | |
479302f7 RS |
1524 | st.nfs_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds; |
1525 | st.nfs_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds; | |
1526 | st.nfs_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds; | |
fc08ac45 RL |
1527 | st.nfs_atime_nsec = res->GETATTR3res_u.resok.obj_attributes.atime.nseconds; |
1528 | st.nfs_mtime_nsec = res->GETATTR3res_u.resok.obj_attributes.mtime.nseconds; | |
1529 | st.nfs_ctime_nsec = res->GETATTR3res_u.resok.obj_attributes.ctime.nseconds; | |
1530 | st.nfs_used = res->GETATTR3res_u.resok.obj_attributes.used; | |
479302f7 RS |
1531 | |
1532 | data->cb(0, nfs, &st, data->private_data); | |
1533 | free_nfs_cb_data(data); | |
1534 | } | |
1535 | ||
20379f03 | 1536 | static int nfs_stat64_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
479302f7 RS |
1537 | { |
1538 | struct GETATTR3args args; | |
1539 | ||
1540 | memset(&args, 0, sizeof(GETATTR3args)); | |
1541 | args.object = data->fh; | |
1542 | ||
1543 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat64_1_cb, &args, data) != 0) { | |
1544 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); | |
1545 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1546 | free_nfs_cb_data(data); | |
1547 | return -1; | |
1548 | } | |
1549 | return 0; | |
1550 | } | |
1551 | ||
bf769f96 | 1552 | int nfs_stat64_async_internal(struct nfs_context *nfs, const char *path, int no_follow, nfs_cb cb, void *private_data) |
479302f7 | 1553 | { |
bf769f96 | 1554 | if (nfs_lookuppath_async(nfs, path, no_follow, cb, private_data, nfs_stat64_continue_internal, NULL, NULL, 0) != 0) { |
479302f7 RS |
1555 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1556 | return -1; | |
1557 | } | |
1558 | ||
1559 | return 0; | |
1560 | } | |
84004dbf | 1561 | |
bf769f96 RL |
1562 | int nfs_stat64_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) |
1563 | { | |
1564 | return nfs_stat64_async_internal(nfs, path, 0, cb, private_data); | |
1565 | } | |
1566 | ||
1567 | int nfs_lstat64_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1568 | { | |
1569 | return nfs_stat64_async_internal(nfs, path, 1, cb, private_data); | |
1570 | } | |
1571 | ||
84004dbf RS |
1572 | /* |
1573 | * Async open() | |
1574 | */ | |
22a0f15b RS |
1575 | static void nfs_open_trunc_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
1576 | { | |
1577 | struct nfs_cb_data *data = private_data; | |
1578 | struct nfs_context *nfs = data->nfs; | |
be7b4360 | 1579 | struct nfsfh *nfsfh; |
22a0f15b RS |
1580 | SETATTR3res *res; |
1581 | ||
1582 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
1583 | ||
1584 | if (status == RPC_STATUS_ERROR) { | |
1585 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1586 | free_nfs_cb_data(data); | |
1587 | return; | |
1588 | } | |
1589 | if (status == RPC_STATUS_CANCEL) { | |
1590 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1591 | free_nfs_cb_data(data); | |
1592 | return; | |
1593 | } | |
1594 | ||
1595 | res = command_data; | |
1596 | if (res->status != NFS3_OK) { | |
1597 | rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1598 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1599 | free_nfs_cb_data(data); | |
1600 | return; | |
1601 | } | |
1602 | ||
be7b4360 RS |
1603 | nfsfh = malloc(sizeof(struct nfsfh)); |
1604 | if (nfsfh == NULL) { | |
1605 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
1606 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1607 | free_nfs_cb_data(data); | |
1608 | return; | |
1609 | } | |
1610 | memset(nfsfh, 0, sizeof(struct nfsfh)); | |
1611 | ||
1612 | if (data->continue_int & O_SYNC) { | |
1613 | nfsfh->is_sync = 1; | |
1614 | } | |
548e2bea RS |
1615 | if (data->continue_int & O_APPEND) { |
1616 | nfsfh->is_append = 1; | |
1617 | } | |
be7b4360 RS |
1618 | |
1619 | /* steal the filehandle */ | |
1620 | nfsfh->fh = data->fh; | |
1621 | data->fh.data.data_val = NULL; | |
1622 | ||
1623 | data->cb(0, nfs, nfsfh, data->private_data); | |
22a0f15b RS |
1624 | free_nfs_cb_data(data); |
1625 | } | |
1626 | ||
f3a75078 | 1627 | static void nfs_open_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1628 | { |
1629 | ACCESS3res *res; | |
1630 | struct nfs_cb_data *data = private_data; | |
1631 | struct nfs_context *nfs = data->nfs; | |
1632 | struct nfsfh *nfsfh; | |
1633 | unsigned int nfsmode = 0; | |
1634 | ||
f3a75078 RS |
1635 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1636 | ||
84004dbf RS |
1637 | if (status == RPC_STATUS_ERROR) { |
1638 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1639 | free_nfs_cb_data(data); | |
1640 | return; | |
1641 | } | |
1642 | if (status == RPC_STATUS_CANCEL) { | |
1643 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1644 | free_nfs_cb_data(data); | |
1645 | return; | |
1646 | } | |
1647 | ||
1648 | res = command_data; | |
1649 | if (res->status != NFS3_OK) { | |
1650 | 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)); | |
1651 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1652 | free_nfs_cb_data(data); | |
1653 | return; | |
1654 | } | |
1655 | ||
1656 | if (data->continue_int & O_WRONLY) { | |
1657 | nfsmode |= ACCESS3_MODIFY; | |
1658 | } | |
1659 | if (data->continue_int & O_RDWR) { | |
1660 | nfsmode |= ACCESS3_READ|ACCESS3_MODIFY; | |
1661 | } | |
1662 | if (!(data->continue_int & (O_WRONLY|O_RDWR))) { | |
1663 | nfsmode |= ACCESS3_READ; | |
1664 | } | |
1665 | ||
1666 | ||
1667 | if (res->ACCESS3res_u.resok.access != nfsmode) { | |
1668 | rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c", | |
1669 | nfsmode&ACCESS3_READ?'r':'-', | |
1670 | nfsmode&ACCESS3_MODIFY?'w':'-', | |
1671 | nfsmode&ACCESS3_EXECUTE?'x':'-', | |
1672 | res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-', | |
1673 | res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-', | |
1674 | res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-'); | |
1675 | data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1676 | free_nfs_cb_data(data); | |
1677 | return; | |
1678 | } | |
1679 | ||
22a0f15b RS |
1680 | /* Try to truncate it if we were requested to */ |
1681 | if ((data->continue_int & O_TRUNC) && | |
1682 | (data->continue_int & (O_RDWR|O_WRONLY))) { | |
1683 | SETATTR3args args; | |
1684 | ||
1685 | memset(&args, 0, sizeof(SETATTR3args)); | |
be7b4360 | 1686 | args.object = data->fh; |
22a0f15b RS |
1687 | args.new_attributes.size.set_it = 1; |
1688 | args.new_attributes.size.set_size3_u.size = 0; | |
1689 | ||
1690 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_open_trunc_cb, &args, | |
1691 | data) != 0) { | |
1692 | rpc_set_error(nfs->rpc, "RPC error: Failed to send " | |
1693 | "SETATTR call for %s", data->path); | |
1694 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), | |
1695 | data->private_data); | |
1696 | free_nfs_cb_data(data); | |
1697 | return; | |
1698 | } | |
1699 | return; | |
1700 | } | |
1701 | ||
be7b4360 RS |
1702 | nfsfh = malloc(sizeof(struct nfsfh)); |
1703 | if (nfsfh == NULL) { | |
1704 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
1705 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1706 | free_nfs_cb_data(data); | |
1707 | return; | |
1708 | } | |
1709 | memset(nfsfh, 0, sizeof(struct nfsfh)); | |
1710 | ||
1711 | if (data->continue_int & O_SYNC) { | |
1712 | nfsfh->is_sync = 1; | |
1713 | } | |
548e2bea RS |
1714 | if (data->continue_int & O_APPEND) { |
1715 | nfsfh->is_append = 1; | |
1716 | } | |
be7b4360 RS |
1717 | |
1718 | /* steal the filehandle */ | |
1719 | nfsfh->fh = data->fh; | |
1720 | data->fh.data.data_val = NULL; | |
1721 | ||
84004dbf RS |
1722 | data->cb(0, nfs, nfsfh, data->private_data); |
1723 | free_nfs_cb_data(data); | |
1724 | } | |
1725 | ||
20379f03 | 1726 | static int nfs_open_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
1727 | { |
1728 | int nfsmode = 0; | |
463d59bf | 1729 | ACCESS3args args; |
84004dbf RS |
1730 | |
1731 | if (data->continue_int & O_WRONLY) { | |
1732 | nfsmode |= ACCESS3_MODIFY; | |
1733 | } | |
1734 | if (data->continue_int & O_RDWR) { | |
1735 | nfsmode |= ACCESS3_READ|ACCESS3_MODIFY; | |
1736 | } | |
1737 | if (!(data->continue_int & (O_WRONLY|O_RDWR))) { | |
1738 | nfsmode |= ACCESS3_READ; | |
1739 | } | |
1740 | ||
463d59bf | 1741 | memset(&args, 0, sizeof(ACCESS3args)); |
2452c57f | 1742 | args.object = data->fh; |
463d59bf RS |
1743 | args.access = nfsmode; |
1744 | ||
1745 | if (rpc_nfs3_access_async(nfs->rpc, nfs_open_cb, &args, data) != 0) { | |
22a0f15b RS |
1746 | rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS " |
1747 | "call for %s", data->path); | |
1748 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), | |
1749 | data->private_data); | |
84004dbf RS |
1750 | free_nfs_cb_data(data); |
1751 | return -1; | |
1752 | } | |
1753 | return 0; | |
1754 | } | |
1755 | ||
3cea44dc | 1756 | int nfs_open_async(struct nfs_context *nfs, const char *path, int flags, nfs_cb cb, void *private_data) |
84004dbf | 1757 | { |
1d151991 | 1758 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_open_continue_internal, NULL, NULL, flags) != 0) { |
cbbf9d3e RS |
1759 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1760 | return -1; | |
84004dbf RS |
1761 | } |
1762 | ||
1763 | return 0; | |
1764 | } | |
1765 | ||
1766 | ||
f893b680 RS |
1767 | /* |
1768 | * Async chdir() | |
1769 | */ | |
20379f03 | 1770 | static int nfs_chdir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
f893b680 RS |
1771 | { |
1772 | /* steal saved_path */ | |
1773 | free(nfs->cwd); | |
1774 | nfs->cwd = data->saved_path; | |
1775 | data->saved_path = NULL; | |
84004dbf | 1776 | |
f893b680 RS |
1777 | data->cb(0, nfs, NULL, data->private_data); |
1778 | free_nfs_cb_data(data); | |
1779 | ||
1780 | return 0; | |
1781 | } | |
1782 | ||
1783 | int nfs_chdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1784 | { | |
1d151991 | 1785 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_chdir_continue_internal, NULL, NULL, 0) != 0) { |
f893b680 RS |
1786 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1787 | return -1; | |
1788 | } | |
1789 | ||
1790 | return 0; | |
1791 | } | |
84004dbf RS |
1792 | |
1793 | ||
1794 | /* | |
1795 | * Async pread() | |
1796 | */ | |
2449d3f7 PL |
1797 | static void nfs_fill_READ3args(READ3args *args, struct nfsfh *fh, uint64_t offset, uint64_t count) |
1798 | { | |
1799 | memset(args, 0, sizeof(READ3args)); | |
1800 | args->file = fh->fh; | |
1801 | args->offset = offset; | |
1802 | args->count = count; | |
1803 | } | |
1804 | ||
f3a75078 | 1805 | static void nfs_pread_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
921f877b RS |
1806 | { |
1807 | struct nfs_mcb_data *mdata = private_data; | |
1808 | struct nfs_cb_data *data = mdata->data; | |
1809 | struct nfs_context *nfs = data->nfs; | |
1810 | READ3res *res; | |
1811 | ||
f3a75078 RS |
1812 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1813 | ||
921f877b RS |
1814 | data->num_calls--; |
1815 | ||
1816 | if (status == RPC_STATUS_ERROR) { | |
1817 | /* flag the failure but do not invoke callback until we have received all responses */ | |
1818 | data->error = 1; | |
1819 | } | |
1820 | if (status == RPC_STATUS_CANCEL) { | |
1821 | /* flag the cancellation but do not invoke callback until we have received all responses */ | |
1822 | data->cancel = 1; | |
1823 | } | |
1824 | ||
921f877b RS |
1825 | if (status == RPC_STATUS_SUCCESS) { |
1826 | res = command_data; | |
1827 | if (res->status != NFS3_OK) { | |
1828 | rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1829 | data->error = 1; | |
567a94d9 AR |
1830 | } else { |
1831 | uint64_t count = res->READ3res_u.resok.count; | |
1832 | ||
1833 | if (mdata->update_pos) | |
1834 | data->nfsfh->offset += count; | |
1835 | ||
1eb4be31 | 1836 | /* if we have more than one call or we have received a short read we need a reassembly buffer */ |
567a94d9 | 1837 | if (data->num_calls || (count < mdata->count && !res->READ3res_u.resok.eof)) { |
1eb4be31 | 1838 | if (data->buffer == NULL) { |
3ca2aac9 | 1839 | data->buffer = malloc(data->count); |
1eb4be31 | 1840 | if (data->buffer == NULL) { |
3ca2aac9 | 1841 | rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)data->count); |
1eb4be31 PL |
1842 | data->oom = 1; |
1843 | } | |
1844 | } | |
1845 | } | |
567a94d9 AR |
1846 | if (count > 0) { |
1847 | if (count <= mdata->count) { | |
1eb4be31 PL |
1848 | /* copy data into reassembly buffer if we have one */ |
1849 | if (data->buffer != NULL) { | |
3ca2aac9 | 1850 | memcpy(&data->buffer[mdata->offset - data->offset], res->READ3res_u.resok.data.data_val, count); |
1eb4be31 | 1851 | } |
567a94d9 AR |
1852 | if (data->max_offset < mdata->offset + count) { |
1853 | data->max_offset = mdata->offset + count; | |
4d2f9f11 PL |
1854 | } |
1855 | } else { | |
1856 | rpc_set_error(nfs->rpc, "NFS: Read overflow. Server has sent more data than requested!"); | |
1857 | data->error = 1; | |
e4a5ba42 | 1858 | } |
921f877b | 1859 | } |
1eb4be31 | 1860 | /* check if we have received a short read */ |
567a94d9 AR |
1861 | if (count < mdata->count && !res->READ3res_u.resok.eof) { |
1862 | if (count == 0) { | |
1eb4be31 PL |
1863 | rpc_set_error(nfs->rpc, "NFS: Read failed. No bytes read and not at EOF!"); |
1864 | data->error = 1; | |
1865 | } else { | |
1866 | /* reissue reminder of this read request */ | |
1867 | READ3args args; | |
567a94d9 AR |
1868 | mdata->offset += count; |
1869 | mdata->count -= count; | |
1eb4be31 PL |
1870 | nfs_fill_READ3args(&args, data->nfsfh, mdata->offset, mdata->count); |
1871 | if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) == 0) { | |
1872 | data->num_calls++; | |
1873 | return; | |
1874 | } else { | |
1875 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); | |
ae8168b3 | 1876 | data->oom = 1; |
1eb4be31 PL |
1877 | } |
1878 | } | |
1879 | } | |
921f877b RS |
1880 | } |
1881 | } | |
1882 | ||
1eb4be31 PL |
1883 | free(mdata); |
1884 | ||
921f877b RS |
1885 | if (data->num_calls > 0) { |
1886 | /* still waiting for more replies */ | |
921f877b RS |
1887 | return; |
1888 | } | |
1eb4be31 PL |
1889 | if (data->oom != 0) { |
1890 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
1891 | free_nfs_cb_data(data); | |
1892 | return; | |
1893 | } | |
921f877b RS |
1894 | if (data->error != 0) { |
1895 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1896 | free_nfs_cb_data(data); | |
921f877b RS |
1897 | return; |
1898 | } | |
1899 | if (data->cancel != 0) { | |
1900 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1901 | free_nfs_cb_data(data); | |
921f877b RS |
1902 | return; |
1903 | } | |
1904 | ||
1eb4be31 | 1905 | if (data->buffer) { |
3ca2aac9 PL |
1906 | if (data->max_offset > data->org_offset + data->org_count) { |
1907 | data->max_offset = data->org_offset + data->org_count; | |
1908 | } | |
1909 | data->cb(data->max_offset - data->org_offset, nfs, data->buffer + (data->org_offset - data->offset), data->private_data); | |
1eb4be31 PL |
1910 | } else { |
1911 | data->cb(res->READ3res_u.resok.count, nfs, res->READ3res_u.resok.data.data_val, data->private_data); | |
1912 | } | |
7ed9d87a | 1913 | |
3ca2aac9 PL |
1914 | data->nfsfh->ra.fh_offset = data->max_offset; |
1915 | if (data->nfsfh->ra.cur_ra) { | |
1916 | free(data->nfsfh->ra.buf); | |
1917 | data->nfsfh->ra.buf = data->buffer; | |
1918 | data->nfsfh->ra.buf_offset = data->offset; | |
1919 | data->nfsfh->ra.buf_count = data->count; | |
1920 | data->nfsfh->ra.buf_ts = time(NULL); | |
1921 | data->buffer = NULL; | |
1922 | } | |
921f877b | 1923 | free_nfs_cb_data(data); |
921f877b RS |
1924 | } |
1925 | ||
3ca2aac9 PL |
1926 | static void nfs_ra_invalidate(struct nfsfh *nfsfh) { |
1927 | free(nfsfh->ra.buf); | |
1928 | nfsfh->ra.buf = NULL; | |
1929 | nfsfh->ra.buf_offset = 0; | |
1930 | nfsfh->ra.buf_count = 0; | |
1931 | nfsfh->ra.buf_ts = time(NULL); | |
1932 | nfsfh->ra.cur_ra = NFS_BLKSIZE; | |
1933 | } | |
1934 | ||
567a94d9 | 1935 | 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) |
84004dbf RS |
1936 | { |
1937 | struct nfs_cb_data *data; | |
1938 | ||
1939 | data = malloc(sizeof(struct nfs_cb_data)); | |
1940 | if (data == NULL) { | |
1941 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1942 | return -1; |
1943 | } | |
ea98629a | 1944 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
1945 | data->nfs = nfs; |
1946 | data->cb = cb; | |
1947 | data->private_data = private_data; | |
1948 | data->nfsfh = nfsfh; | |
3ca2aac9 PL |
1949 | data->org_offset = offset; |
1950 | data->org_count = count; | |
84004dbf | 1951 | |
c8f0bac1 AR |
1952 | assert(data->num_calls == 0); |
1953 | ||
3ca2aac9 PL |
1954 | if (nfs->rpc->readahead && time(NULL) - nfsfh->ra.buf_ts > NFS_RA_TIMEOUT) { |
1955 | /* readahead cache timeout */ | |
1956 | nfs_ra_invalidate(nfsfh); | |
1957 | } | |
1958 | ||
1959 | if (nfs->rpc->readahead) { | |
1960 | if (offset >= nfsfh->ra.last_offset && | |
1961 | offset - NFS_BLKSIZE <= nfsfh->ra.fh_offset + nfsfh->ra.cur_ra) { | |
1962 | if (nfs->rpc->readahead > nfsfh->ra.cur_ra) { | |
1963 | nfsfh->ra.cur_ra <<= 1; | |
1964 | } | |
1965 | } else { | |
1966 | nfsfh->ra.cur_ra = NFS_BLKSIZE; | |
1967 | } | |
1968 | ||
1969 | nfsfh->ra.last_offset = offset; | |
1970 | ||
1971 | if (nfsfh->ra.buf_offset <= offset && | |
1972 | nfsfh->ra.buf_offset + nfsfh->ra.buf_count >= offset + count) { | |
1973 | /* serve request completely from cache */ | |
1974 | data->buffer = malloc(count); | |
1975 | if (data->buffer == NULL) { | |
1976 | free_nfs_cb_data(data); | |
1977 | return -ENOMEM; | |
1978 | } | |
1979 | memcpy(data->buffer, nfsfh->ra.buf + (offset - nfsfh->ra.buf_offset), count); | |
1980 | data->cb(count, nfs, data->buffer, data->private_data); | |
1981 | nfsfh->ra.fh_offset = offset + count; | |
1982 | free_nfs_cb_data(data); | |
1983 | return 0; | |
1984 | } | |
1985 | ||
1986 | /* align start offset to blocksize */ | |
1987 | count += offset & (NFS_BLKSIZE - 1); | |
1988 | offset &= ~(NFS_BLKSIZE - 1); | |
1989 | ||
1990 | /* align end offset to blocksize and add readahead */ | |
1991 | count += nfsfh->ra.cur_ra - 1; | |
1992 | count &= ~(NFS_BLKSIZE - 1); | |
1993 | ||
1994 | data->buffer = malloc(count); | |
1995 | if (data->buffer == NULL) { | |
1996 | free_nfs_cb_data(data); | |
1997 | return -ENOMEM; | |
1998 | } | |
1999 | data->offset = offset; | |
2000 | data->count = count; | |
2001 | ||
2002 | if (nfsfh->ra.buf_count && nfsfh->ra.buf_offset <= offset && | |
2003 | nfsfh->ra.buf_offset + nfsfh->ra.buf_count >= offset) { | |
2004 | /* serve request partially from cache */ | |
2005 | size_t overlap = (nfsfh->ra.buf_offset + nfsfh->ra.buf_count) - offset; | |
2006 | if (overlap > count) count = overlap; | |
2007 | memcpy(data->buffer, nfsfh->ra.buf + (offset - nfsfh->ra.buf_offset), overlap); | |
2008 | offset += overlap; | |
2009 | count -= overlap; | |
2010 | } | |
2011 | } else { | |
2012 | data->offset = offset; | |
2013 | data->count = count; | |
2014 | } | |
2015 | ||
2016 | data->max_offset = offset; | |
2017 | ||
40a4373a | 2018 | /* chop requests into chunks of at most READMAX bytes if necessary. |
cd67ec7d | 2019 | * we send all reads in parallel so that performance is still good. |
921f877b | 2020 | */ |
1eb4be31 | 2021 | do { |
183451cf | 2022 | uint64_t readcount = count; |
921f877b | 2023 | struct nfs_mcb_data *mdata; |
463d59bf | 2024 | READ3args args; |
921f877b RS |
2025 | |
2026 | if (readcount > nfs_get_readmax(nfs)) { | |
2027 | readcount = nfs_get_readmax(nfs); | |
2028 | } | |
2029 | ||
2030 | mdata = malloc(sizeof(struct nfs_mcb_data)); | |
2031 | if (mdata == NULL) { | |
2032 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure"); | |
ae8168b3 | 2033 | if (data->num_calls == 0) { |
c8f0bac1 | 2034 | free_nfs_cb_data(data); |
ae8168b3 PL |
2035 | return -1; |
2036 | } | |
2037 | data->oom = 1; | |
40a4373a | 2038 | break; |
921f877b | 2039 | } |
ea98629a | 2040 | memset(mdata, 0, sizeof(struct nfs_mcb_data)); |
921f877b RS |
2041 | mdata->data = data; |
2042 | mdata->offset = offset; | |
2043 | mdata->count = readcount; | |
567a94d9 | 2044 | mdata->update_pos = update_pos; |
463d59bf | 2045 | |
2449d3f7 | 2046 | nfs_fill_READ3args(&args, nfsfh, offset, readcount); |
463d59bf RS |
2047 | |
2048 | if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) != 0) { | |
921f877b | 2049 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); |
921f877b | 2050 | free(mdata); |
ae8168b3 | 2051 | if (data->num_calls == 0) { |
c8f0bac1 | 2052 | free_nfs_cb_data(data); |
ae8168b3 PL |
2053 | return -1; |
2054 | } | |
2055 | data->oom = 1; | |
40a4373a | 2056 | break; |
921f877b RS |
2057 | } |
2058 | ||
2059 | count -= readcount; | |
2060 | offset += readcount; | |
2061 | data->num_calls++; | |
1eb4be31 | 2062 | } while (count > 0); |
921f877b RS |
2063 | |
2064 | return 0; | |
84004dbf RS |
2065 | } |
2066 | ||
567a94d9 AR |
2067 | int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, nfs_cb cb, void *private_data) |
2068 | { | |
2069 | return nfs_pread_async_internal(nfs, nfsfh, offset, count, cb, private_data, 0); | |
2070 | } | |
2071 | ||
84004dbf RS |
2072 | /* |
2073 | * Async read() | |
2074 | */ | |
183451cf | 2075 | int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, nfs_cb cb, void *private_data) |
84004dbf | 2076 | { |
567a94d9 | 2077 | return nfs_pread_async_internal(nfs, nfsfh, nfsfh->offset, count, cb, private_data, 1); |
84004dbf RS |
2078 | } |
2079 | ||
2080 | ||
2081 | ||
2082 | /* | |
2083 | * Async pwrite() | |
2084 | */ | |
2449d3f7 PL |
2085 | static void nfs_fill_WRITE3args (WRITE3args *args, struct nfsfh *fh, uint64_t offset, uint64_t count, |
2086 | void *buf) | |
2087 | { | |
2088 | memset(args, 0, sizeof(WRITE3args)); | |
2089 | args->file = fh->fh; | |
2090 | args->offset = offset; | |
2091 | args->count = count; | |
548e2bea | 2092 | args->stable = fh->is_sync ? FILE_SYNC : UNSTABLE; |
2449d3f7 PL |
2093 | args->data.data_len = count; |
2094 | args->data.data_val = buf; | |
2095 | } | |
2096 | ||
f3a75078 | 2097 | static void nfs_pwrite_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
18c27b73 RS |
2098 | { |
2099 | struct nfs_mcb_data *mdata = private_data; | |
2100 | struct nfs_cb_data *data = mdata->data; | |
2101 | struct nfs_context *nfs = data->nfs; | |
2102 | WRITE3res *res; | |
2103 | ||
f3a75078 RS |
2104 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2105 | ||
18c27b73 RS |
2106 | data->num_calls--; |
2107 | ||
2108 | if (status == RPC_STATUS_ERROR) { | |
2109 | /* flag the failure but do not invoke callback until we have received all responses */ | |
2110 | data->error = 1; | |
2111 | } | |
2112 | if (status == RPC_STATUS_CANCEL) { | |
2113 | /* flag the cancellation but do not invoke callback until we have received all responses */ | |
2114 | data->cancel = 1; | |
2115 | } | |
2116 | ||
2117 | if (status == RPC_STATUS_SUCCESS) { | |
2118 | res = command_data; | |
2119 | if (res->status != NFS3_OK) { | |
2120 | rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2121 | data->error = 1; | |
2122 | } else { | |
567a94d9 AR |
2123 | uint64_t count = res->WRITE3res_u.resok.count; |
2124 | ||
2125 | if (mdata->update_pos) | |
2126 | data->nfsfh->offset += count; | |
2127 | ||
2128 | if (count < mdata->count) { | |
2129 | if (count == 0) { | |
027a767e PL |
2130 | rpc_set_error(nfs->rpc, "NFS: Write failed. No bytes written!"); |
2131 | data->error = 1; | |
2132 | } else { | |
2133 | /* reissue reminder of this write request */ | |
2134 | WRITE3args args; | |
567a94d9 AR |
2135 | mdata->offset += count; |
2136 | mdata->count -= count; | |
2137 | ||
027a767e | 2138 | nfs_fill_WRITE3args(&args, data->nfsfh, mdata->offset, mdata->count, |
3ca2aac9 | 2139 | &data->usrbuf[mdata->offset - data->offset]); |
027a767e PL |
2140 | if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) == 0) { |
2141 | data->num_calls++; | |
2142 | return; | |
2143 | } else { | |
2144 | rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path); | |
ae8168b3 | 2145 | data->oom = 1; |
027a767e PL |
2146 | } |
2147 | } | |
2148 | } | |
567a94d9 AR |
2149 | if (count > 0) { |
2150 | if (data->max_offset < mdata->offset + count) { | |
2151 | data->max_offset = mdata->offset + count; | |
18c27b73 RS |
2152 | } |
2153 | } | |
2154 | } | |
2155 | } | |
2156 | ||
027a767e PL |
2157 | free(mdata); |
2158 | ||
18c27b73 RS |
2159 | if (data->num_calls > 0) { |
2160 | /* still waiting for more replies */ | |
18c27b73 RS |
2161 | return; |
2162 | } | |
ae8168b3 PL |
2163 | if (data->oom != 0) { |
2164 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
2165 | free_nfs_cb_data(data); | |
2166 | return; | |
2167 | } | |
18c27b73 RS |
2168 | if (data->error != 0) { |
2169 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2170 | free_nfs_cb_data(data); | |
18c27b73 RS |
2171 | return; |
2172 | } | |
2173 | if (data->cancel != 0) { | |
2174 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2175 | free_nfs_cb_data(data); | |
18c27b73 RS |
2176 | return; |
2177 | } | |
2178 | ||
3ca2aac9 | 2179 | data->cb(data->max_offset - data->offset, nfs, NULL, data->private_data); |
18c27b73 RS |
2180 | |
2181 | free_nfs_cb_data(data); | |
18c27b73 RS |
2182 | } |
2183 | ||
2184 | ||
567a94d9 | 2185 | 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) |
84004dbf RS |
2186 | { |
2187 | struct nfs_cb_data *data; | |
2188 | ||
2189 | data = malloc(sizeof(struct nfs_cb_data)); | |
2190 | if (data == NULL) { | |
2191 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
2192 | return -1; |
2193 | } | |
ea98629a | 2194 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2195 | data->nfs = nfs; |
2196 | data->cb = cb; | |
2197 | data->private_data = private_data; | |
2198 | data->nfsfh = nfsfh; | |
027a767e | 2199 | data->usrbuf = buf; |
84004dbf | 2200 | |
63d4a058 | 2201 | /* hello, clang-analyzer */ |
63d4a058 AR |
2202 | assert(data->num_calls == 0); |
2203 | ||
40a4373a | 2204 | /* chop requests into chunks of at most WRITEMAX bytes if necessary. |
cd67ec7d | 2205 | * we send all writes in parallel so that performance is still good. |
18c27b73 RS |
2206 | */ |
2207 | data->max_offset = offset; | |
3ca2aac9 | 2208 | data->offset = offset; |
18c27b73 | 2209 | |
027a767e | 2210 | do { |
183451cf | 2211 | uint64_t writecount = count; |
18c27b73 | 2212 | struct nfs_mcb_data *mdata; |
463d59bf | 2213 | WRITE3args args; |
18c27b73 RS |
2214 | |
2215 | if (writecount > nfs_get_writemax(nfs)) { | |
2216 | writecount = nfs_get_writemax(nfs); | |
2217 | } | |
2218 | ||
2219 | mdata = malloc(sizeof(struct nfs_mcb_data)); | |
2220 | if (mdata == NULL) { | |
2221 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure"); | |
ae8168b3 | 2222 | if (data->num_calls == 0) { |
63d4a058 | 2223 | free_nfs_cb_data(data); |
ae8168b3 PL |
2224 | return -1; |
2225 | } | |
2226 | data->oom = 1; | |
40a4373a | 2227 | break; |
18c27b73 RS |
2228 | } |
2229 | memset(mdata, 0, sizeof(struct nfs_mcb_data)); | |
2230 | mdata->data = data; | |
2231 | mdata->offset = offset; | |
2232 | mdata->count = writecount; | |
567a94d9 | 2233 | mdata->update_pos = update_pos; |
18c27b73 | 2234 | |
3ca2aac9 | 2235 | nfs_fill_WRITE3args(&args, nfsfh, offset, writecount, &buf[offset - data->offset]); |
463d59bf RS |
2236 | |
2237 | if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) != 0) { | |
18c27b73 | 2238 | rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path); |
18c27b73 | 2239 | free(mdata); |
ae8168b3 | 2240 | if (data->num_calls == 0) { |
63d4a058 | 2241 | free_nfs_cb_data(data); |
ae8168b3 PL |
2242 | return -1; |
2243 | } | |
2244 | data->oom = 1; | |
40a4373a | 2245 | break; |
18c27b73 RS |
2246 | } |
2247 | ||
2248 | count -= writecount; | |
2249 | offset += writecount; | |
2250 | data->num_calls++; | |
027a767e | 2251 | } while (count > 0); |
18c27b73 | 2252 | |
84004dbf RS |
2253 | return 0; |
2254 | } | |
2255 | ||
567a94d9 AR |
2256 | 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) |
2257 | { | |
2258 | return nfs_pwrite_async_internal(nfs, nfsfh, offset, count, buf, cb, private_data, 0); | |
2259 | } | |
2260 | ||
84004dbf RS |
2261 | /* |
2262 | * Async write() | |
2263 | */ | |
548e2bea RS |
2264 | static void nfs_write_append_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
2265 | { | |
2266 | struct nfs_cb_data *data = private_data; | |
2267 | struct nfs_context *nfs = data->nfs; | |
2268 | GETATTR3res *res; | |
2269 | ||
2270 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
2271 | ||
2272 | if (status == RPC_STATUS_ERROR) { | |
2273 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2274 | free_nfs_cb_data(data); | |
2275 | return; | |
2276 | } | |
2277 | if (status == RPC_STATUS_CANCEL) { | |
2278 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2279 | free_nfs_cb_data(data); | |
2280 | return; | |
2281 | } | |
2282 | ||
2283 | res = command_data; | |
2284 | if (res->status != NFS3_OK) { | |
2285 | rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2286 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2287 | free_nfs_cb_data(data); | |
2288 | return; | |
2289 | } | |
2290 | ||
2291 | 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) { | |
2292 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2293 | free_nfs_cb_data(data); | |
2294 | return; | |
2295 | } | |
2296 | free_nfs_cb_data(data); | |
2297 | } | |
2298 | ||
183451cf | 2299 | int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data) |
84004dbf | 2300 | { |
3ca2aac9 | 2301 | nfs_ra_invalidate(nfsfh); |
548e2bea RS |
2302 | if (nfsfh->is_append) { |
2303 | struct GETATTR3args args; | |
2304 | struct nfs_cb_data *data; | |
2305 | ||
2306 | data = malloc(sizeof(struct nfs_cb_data)); | |
2307 | if (data == NULL) { | |
2308 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
2309 | return -1; | |
2310 | } | |
2311 | memset(data, 0, sizeof(struct nfs_cb_data)); | |
2312 | data->nfs = nfs; | |
2313 | data->cb = cb; | |
2314 | data->private_data = private_data; | |
2315 | data->nfsfh = nfsfh; | |
2316 | data->usrbuf = buf; | |
2317 | data->count = count; | |
2318 | ||
2319 | memset(&args, 0, sizeof(GETATTR3args)); | |
2320 | args.object = nfsfh->fh; | |
2321 | ||
2322 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_write_append_cb, &args, data) != 0) { | |
2323 | rpc_set_error(nfs->rpc, "out of memory: failed to send GETATTR"); | |
2324 | free_nfs_cb_data(data); | |
2325 | return -1; | |
2326 | } | |
2327 | return 0; | |
2328 | } | |
567a94d9 | 2329 | return nfs_pwrite_async_internal(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data, 1); |
84004dbf RS |
2330 | } |
2331 | ||
2332 | ||
2333 | ||
2334 | ||
2335 | /* | |
2336 | * close | |
2337 | */ | |
4b1ae88a | 2338 | |
84004dbf RS |
2339 | int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) |
2340 | { | |
370c59e3 | 2341 | free_nfsfh(nfsfh); |
84004dbf RS |
2342 | cb(0, nfs, NULL, private_data); |
2343 | return 0; | |
2344 | }; | |
2345 | ||
2346 | ||
2347 | ||
2348 | ||
2349 | ||
2350 | /* | |
2351 | * Async fstat() | |
2352 | */ | |
2353 | int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
2354 | { | |
2355 | struct nfs_cb_data *data; | |
463d59bf | 2356 | struct GETATTR3args args; |
84004dbf RS |
2357 | |
2358 | data = malloc(sizeof(struct nfs_cb_data)); | |
2359 | if (data == NULL) { | |
2360 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
2361 | return -1; |
2362 | } | |
ea98629a | 2363 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2364 | data->nfs = nfs; |
2365 | data->cb = cb; | |
2366 | data->private_data = private_data; | |
2367 | ||
463d59bf | 2368 | memset(&args, 0, sizeof(GETATTR3args)); |
2452c57f | 2369 | args.object = nfsfh->fh; |
463d59bf RS |
2370 | |
2371 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) { | |
84004dbf RS |
2372 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); |
2373 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2374 | free_nfs_cb_data(data); | |
2375 | return -1; | |
2376 | } | |
2377 | return 0; | |
2378 | } | |
2379 | ||
3e020c15 RL |
2380 | /* |
2381 | * Async fstat64() | |
2382 | */ | |
2383 | int nfs_fstat64_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
2384 | { | |
2385 | struct nfs_cb_data *data; | |
2386 | struct GETATTR3args args; | |
2387 | ||
2388 | data = malloc(sizeof(struct nfs_cb_data)); | |
2389 | if (data == NULL) { | |
2390 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
2391 | return -1; | |
2392 | } | |
2393 | memset(data, 0, sizeof(struct nfs_cb_data)); | |
2394 | data->nfs = nfs; | |
2395 | data->cb = cb; | |
2396 | data->private_data = private_data; | |
2397 | ||
2398 | memset(&args, 0, sizeof(GETATTR3args)); | |
2399 | args.object = nfsfh->fh; | |
2400 | ||
2401 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat64_1_cb, &args, data) != 0) { | |
2402 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); | |
2403 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2404 | free_nfs_cb_data(data); | |
2405 | return -1; | |
2406 | } | |
2407 | return 0; | |
2408 | } | |
2409 | ||
84004dbf RS |
2410 | |
2411 | ||
2412 | /* | |
2413 | * Async fsync() | |
2414 | */ | |
f3a75078 | 2415 | static void nfs_fsync_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2416 | { |
2417 | struct nfs_cb_data *data = private_data; | |
2418 | struct nfs_context *nfs = data->nfs; | |
2419 | COMMIT3res *res; | |
2420 | ||
f3a75078 RS |
2421 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2422 | ||
84004dbf RS |
2423 | if (status == RPC_STATUS_ERROR) { |
2424 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2425 | free_nfs_cb_data(data); | |
2426 | return; | |
2427 | } | |
2428 | if (status == RPC_STATUS_CANCEL) { | |
2429 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2430 | free_nfs_cb_data(data); | |
2431 | return; | |
2432 | } | |
2433 | ||
2434 | res = command_data; | |
2435 | if (res->status != NFS3_OK) { | |
2436 | rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2437 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2438 | free_nfs_cb_data(data); | |
2439 | return; | |
2440 | } | |
2441 | ||
2442 | data->cb(0, nfs, NULL, data->private_data); | |
2443 | free_nfs_cb_data(data); | |
2444 | } | |
2445 | ||
2446 | int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
2447 | { | |
2448 | struct nfs_cb_data *data; | |
1a5636ff | 2449 | struct COMMIT3args args; |
84004dbf RS |
2450 | |
2451 | data = malloc(sizeof(struct nfs_cb_data)); | |
2452 | if (data == NULL) { | |
2453 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
2454 | return -1; |
2455 | } | |
ea98629a | 2456 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2457 | data->nfs = nfs; |
2458 | data->cb = cb; | |
2459 | data->private_data = private_data; | |
2460 | ||
1a5636ff RS |
2461 | args.file = nfsfh->fh; |
2462 | args.offset = 0; | |
2463 | args.count = 0; | |
2464 | if (rpc_nfs3_commit_async(nfs->rpc, nfs_fsync_cb, &args, data) != 0) { | |
84004dbf RS |
2465 | rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path); |
2466 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2467 | free_nfs_cb_data(data); | |
2468 | return -1; | |
2469 | } | |
2470 | return 0; | |
2471 | } | |
2472 | ||
2473 | ||
2474 | ||
2475 | ||
2476 | /* | |
2477 | * Async ftruncate() | |
2478 | */ | |
f3a75078 | 2479 | static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2480 | { |
2481 | struct nfs_cb_data *data = private_data; | |
2482 | struct nfs_context *nfs = data->nfs; | |
2483 | SETATTR3res *res; | |
2484 | ||
f3a75078 RS |
2485 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2486 | ||
84004dbf RS |
2487 | if (status == RPC_STATUS_ERROR) { |
2488 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2489 | free_nfs_cb_data(data); | |
2490 | return; | |
2491 | } | |
2492 | if (status == RPC_STATUS_CANCEL) { | |
2493 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2494 | free_nfs_cb_data(data); | |
2495 | return; | |
2496 | } | |
2497 | ||
2498 | res = command_data; | |
2499 | if (res->status != NFS3_OK) { | |
2500 | rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2501 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2502 | free_nfs_cb_data(data); | |
2503 | return; | |
2504 | } | |
2505 | ||
2506 | data->cb(0, nfs, NULL, data->private_data); | |
2507 | free_nfs_cb_data(data); | |
2508 | } | |
2509 | ||
183451cf | 2510 | int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data) |
84004dbf RS |
2511 | { |
2512 | struct nfs_cb_data *data; | |
2513 | SETATTR3args args; | |
2514 | ||
2515 | data = malloc(sizeof(struct nfs_cb_data)); | |
2516 | if (data == NULL) { | |
2517 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
2518 | return -1; |
2519 | } | |
ea98629a | 2520 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2521 | data->nfs = nfs; |
2522 | data->cb = cb; | |
2523 | data->private_data = private_data; | |
2524 | ||
ea98629a | 2525 | memset(&args, 0, sizeof(SETATTR3args)); |
2452c57f | 2526 | args.object = nfsfh->fh; |
84004dbf RS |
2527 | args.new_attributes.size.set_it = 1; |
2528 | args.new_attributes.size.set_size3_u.size = length; | |
2529 | ||
b701254d | 2530 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) { |
84004dbf RS |
2531 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
2532 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2533 | free_nfs_cb_data(data); | |
2534 | return -1; | |
2535 | } | |
2536 | return 0; | |
2537 | } | |
2538 | ||
2539 | ||
2540 | /* | |
2541 | * Async truncate() | |
2542 | */ | |
20379f03 | 2543 | static int nfs_truncate_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 2544 | { |
183451cf | 2545 | uint64_t offset = data->continue_int; |
84004dbf RS |
2546 | struct nfsfh nfsfh; |
2547 | ||
2452c57f | 2548 | nfsfh.fh = data->fh; |
84004dbf RS |
2549 | |
2550 | if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) { | |
2551 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
2552 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2553 | free_nfs_cb_data(data); | |
2554 | return -1; | |
2555 | } | |
2556 | free_nfs_cb_data(data); | |
2557 | return 0; | |
2558 | } | |
2559 | ||
183451cf | 2560 | int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data) |
84004dbf | 2561 | { |
183451cf | 2562 | uint64_t offset; |
84004dbf RS |
2563 | |
2564 | offset = length; | |
2565 | ||
1d151991 | 2566 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) { |
cbbf9d3e RS |
2567 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2568 | return -1; | |
84004dbf RS |
2569 | } |
2570 | ||
2571 | return 0; | |
2572 | } | |
2573 | ||
2574 | ||
2575 | ||
2576 | ||
2577 | /* | |
2578 | * Async mkdir() | |
2579 | */ | |
f3a75078 | 2580 | static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2581 | { |
2582 | MKDIR3res *res; | |
2583 | struct nfs_cb_data *data = private_data; | |
2584 | struct nfs_context *nfs = data->nfs; | |
2585 | char *str = data->continue_data; | |
4b1ae88a | 2586 | |
f3a75078 RS |
2587 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2588 | ||
84004dbf RS |
2589 | str = &str[strlen(str) + 1]; |
2590 | ||
2591 | if (status == RPC_STATUS_ERROR) { | |
2592 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2593 | free_nfs_cb_data(data); | |
2594 | return; | |
2595 | } | |
2596 | if (status == RPC_STATUS_CANCEL) { | |
2597 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2598 | free_nfs_cb_data(data); | |
2599 | return; | |
2600 | } | |
2601 | ||
2602 | res = command_data; | |
2603 | if (res->status != NFS3_OK) { | |
2604 | 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)); | |
2605 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2606 | free_nfs_cb_data(data); | |
2607 | return; | |
2608 | } | |
2609 | ||
2610 | data->cb(0, nfs, NULL, data->private_data); | |
2611 | free_nfs_cb_data(data); | |
2612 | } | |
2613 | ||
20379f03 | 2614 | static int nfs_mkdir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
2615 | { |
2616 | char *str = data->continue_data; | |
7edc9026 RS |
2617 | MKDIR3args args; |
2618 | ||
84004dbf RS |
2619 | str = &str[strlen(str) + 1]; |
2620 | ||
7edc9026 | 2621 | memset(&args, 0, sizeof(MKDIR3args)); |
2452c57f | 2622 | args.where.dir = data->fh; |
7edc9026 RS |
2623 | args.where.name = str; |
2624 | args.attributes.mode.set_it = 1; | |
2625 | args.attributes.mode.set_mode3_u.mode = 0755; | |
2626 | ||
acabd6bf | 2627 | if (rpc_nfs3_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) { |
84004dbf RS |
2628 | rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path); |
2629 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2630 | free_nfs_cb_data(data); | |
2631 | return -1; | |
2632 | } | |
2633 | return 0; | |
2634 | } | |
2635 | ||
2636 | int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
2637 | { | |
2638 | char *new_path; | |
2639 | char *ptr; | |
2640 | ||
2641 | new_path = strdup(path); | |
2642 | if (new_path == NULL) { | |
cbbf9d3e | 2643 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
2644 | return -1; |
2645 | } | |
2646 | ||
93e9306f | 2647 | ptr = strrchr(new_path, '/'); |
84004dbf | 2648 | if (ptr == NULL) { |
b1a197f5 | 2649 | free(new_path); |
cbbf9d3e RS |
2650 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
2651 | return -1; | |
84004dbf RS |
2652 | } |
2653 | *ptr = 0; | |
2654 | ||
2655 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1d151991 | 2656 | if (nfs_lookuppath_async(nfs, new_path, 0, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) { |
cbbf9d3e RS |
2657 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component"); |
2658 | return -1; | |
84004dbf RS |
2659 | } |
2660 | ||
2661 | return 0; | |
2662 | } | |
2663 | ||
2664 | ||
2665 | ||
2666 | ||
2667 | ||
2668 | /* | |
2669 | * Async rmdir() | |
2670 | */ | |
f3a75078 | 2671 | static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2672 | { |
2673 | RMDIR3res *res; | |
2674 | struct nfs_cb_data *data = private_data; | |
2675 | struct nfs_context *nfs = data->nfs; | |
2676 | char *str = data->continue_data; | |
4b1ae88a | 2677 | |
f3a75078 RS |
2678 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2679 | ||
84004dbf RS |
2680 | str = &str[strlen(str) + 1]; |
2681 | ||
2682 | if (status == RPC_STATUS_ERROR) { | |
2683 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2684 | free_nfs_cb_data(data); | |
2685 | return; | |
2686 | } | |
2687 | if (status == RPC_STATUS_CANCEL) { | |
2688 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2689 | free_nfs_cb_data(data); | |
2690 | return; | |
2691 | } | |
2692 | ||
2693 | res = command_data; | |
2694 | if (res->status != NFS3_OK) { | |
2695 | 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)); | |
2696 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2697 | free_nfs_cb_data(data); | |
2698 | return; | |
2699 | } | |
2700 | ||
2701 | data->cb(0, nfs, NULL, data->private_data); | |
2702 | free_nfs_cb_data(data); | |
2703 | } | |
2704 | ||
20379f03 | 2705 | static int nfs_rmdir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
2706 | { |
2707 | char *str = data->continue_data; | |
bf817ee6 RS |
2708 | RMDIR3args args; |
2709 | ||
84004dbf RS |
2710 | str = &str[strlen(str) + 1]; |
2711 | ||
bf817ee6 RS |
2712 | args.object.dir = data->fh; |
2713 | args.object.name = str; | |
2714 | if (rpc_nfs3_rmdir_async(nfs->rpc, nfs_rmdir_cb, &args, data) != 0) { | |
84004dbf RS |
2715 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path); |
2716 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2717 | free_nfs_cb_data(data); | |
2718 | return -1; | |
2719 | } | |
2720 | return 0; | |
2721 | } | |
2722 | ||
2723 | int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
2724 | { | |
2725 | char *new_path; | |
2726 | char *ptr; | |
2727 | ||
2728 | new_path = strdup(path); | |
2729 | if (new_path == NULL) { | |
cbbf9d3e | 2730 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
2731 | return -1; |
2732 | } | |
2733 | ||
93e9306f | 2734 | ptr = strrchr(new_path, '/'); |
84004dbf | 2735 | if (ptr == NULL) { |
2257433d | 2736 | free(new_path); |
cbbf9d3e RS |
2737 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
2738 | return -1; | |
84004dbf RS |
2739 | } |
2740 | *ptr = 0; | |
2741 | ||
2742 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1d151991 | 2743 | if (nfs_lookuppath_async(nfs, new_path, 0, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) { |
cbbf9d3e RS |
2744 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2745 | return -1; | |
84004dbf RS |
2746 | } |
2747 | ||
2748 | return 0; | |
2749 | } | |
2750 | ||
2751 | ||
2752 | ||
2753 | ||
2754 | /* | |
2755 | * Async creat() | |
2756 | */ | |
037a1061 RL |
2757 | struct create_cb_data { |
2758 | char *path; | |
2759 | int flags; | |
2760 | int mode; | |
2761 | }; | |
2762 | ||
2763 | static void free_create_cb_data(void *ptr) | |
2764 | { | |
2765 | struct create_cb_data *data = ptr; | |
2766 | ||
2767 | free(data->path); | |
2768 | free(data); | |
2769 | } | |
2770 | ||
370c59e3 RL |
2771 | static void nfs_create_trunc_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
2772 | { | |
2773 | struct nfs_cb_data *data = private_data; | |
2774 | struct nfs_context *nfs = data->nfs; | |
408cd870 | 2775 | struct nfsfh *nfsfh = data->nfsfh; |
370c59e3 RL |
2776 | SETATTR3res *res; |
2777 | ||
2778 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
2779 | ||
2780 | if (status == RPC_STATUS_ERROR) { | |
2781 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2782 | free_nfs_cb_data(data); | |
2783 | free_nfsfh(nfsfh); | |
2784 | return; | |
2785 | } | |
2786 | if (status == RPC_STATUS_CANCEL) { | |
2787 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2788 | free_nfs_cb_data(data); | |
2789 | free_nfsfh(nfsfh); | |
2790 | return; | |
2791 | } | |
2792 | ||
2793 | res = command_data; | |
2794 | if (res->status != NFS3_OK) { | |
2795 | rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2796 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2797 | free_nfs_cb_data(data); | |
2798 | free_nfsfh(nfsfh); | |
2799 | return; | |
2800 | } | |
2801 | ||
408cd870 | 2802 | data->cb(0, nfs, nfsfh, data->private_data); |
370c59e3 RL |
2803 | free_nfs_cb_data(data); |
2804 | } | |
2805 | ||
f3a75078 | 2806 | static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2807 | { |
2808 | LOOKUP3res *res; | |
2809 | struct nfs_cb_data *data = private_data; | |
2810 | struct nfs_context *nfs = data->nfs; | |
2811 | struct nfsfh *nfsfh; | |
037a1061 RL |
2812 | struct create_cb_data *cb_data = data->continue_data; |
2813 | char *str = cb_data->path; | |
84004dbf | 2814 | |
f3a75078 RS |
2815 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2816 | ||
84004dbf RS |
2817 | if (status == RPC_STATUS_ERROR) { |
2818 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2819 | free_nfs_cb_data(data); | |
2820 | return; | |
2821 | } | |
2822 | if (status == RPC_STATUS_CANCEL) { | |
2823 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2824 | free_nfs_cb_data(data); | |
2825 | return; | |
2826 | } | |
2827 | ||
2828 | str = &str[strlen(str) + 1]; | |
2829 | res = command_data; | |
2830 | if (res->status != NFS3_OK) { | |
2831 | 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)); | |
2832 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2833 | ||
2834 | return; | |
2835 | } | |
2836 | ||
2837 | nfsfh = malloc(sizeof(struct nfsfh)); | |
2838 | if (nfsfh == NULL) { | |
2839 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
2840 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2841 | free_nfs_cb_data(data); | |
2842 | return; | |
2843 | } | |
ea98629a | 2844 | memset(nfsfh, 0, sizeof(struct nfsfh)); |
84004dbf | 2845 | |
037a1061 RL |
2846 | if (cb_data->flags & O_SYNC) { |
2847 | nfsfh->is_sync = 1; | |
2848 | } | |
2849 | if (cb_data->flags & O_APPEND) { | |
2850 | nfsfh->is_append = 1; | |
2851 | } | |
2852 | ||
0c1a9d7a RS |
2853 | /* copy the filehandle */ |
2854 | nfsfh->fh.data.data_len = res->LOOKUP3res_u.resok.object.data.data_len; | |
2855 | nfsfh->fh.data.data_val = malloc(nfsfh->fh.data.data_len); | |
ece11036 RL |
2856 | if (nfsfh->fh.data.data_val == NULL) { |
2857 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh structure"); | |
2858 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2859 | free_nfs_cb_data(data); | |
2860 | free(nfsfh); | |
c4d5f5b8 | 2861 | return; |
ece11036 | 2862 | } |
0c1a9d7a | 2863 | memcpy(nfsfh->fh.data.data_val, res->LOOKUP3res_u.resok.object.data.data_val, nfsfh->fh.data.data_len); |
84004dbf | 2864 | |
370c59e3 RL |
2865 | /* Try to truncate it if we were requested to */ |
2866 | if (cb_data->flags & O_TRUNC) { | |
2867 | SETATTR3args args; | |
2868 | ||
2869 | data->nfsfh = nfsfh; | |
2870 | ||
2871 | memset(&args, 0, sizeof(SETATTR3args)); | |
2872 | args.object = nfsfh->fh; | |
2873 | args.new_attributes.size.set_it = 1; | |
2874 | args.new_attributes.size.set_size3_u.size = 0; | |
2875 | ||
2876 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_create_trunc_cb, | |
2877 | &args, data) != 0) { | |
2878 | rpc_set_error(nfs->rpc, "RPC error: Failed to send " | |
2879 | "SETATTR call for %s", data->path); | |
2880 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), | |
2881 | data->private_data); | |
2882 | free_nfs_cb_data(data); | |
2883 | free_nfsfh(nfsfh); | |
2884 | return; | |
2885 | } | |
2886 | return; | |
2887 | } | |
2888 | ||
84004dbf RS |
2889 | data->cb(0, nfs, nfsfh, data->private_data); |
2890 | free_nfs_cb_data(data); | |
2891 | } | |
2892 | ||
2893 | ||
2894 | ||
037a1061 | 2895 | static void nfs_create_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2896 | { |
2897 | CREATE3res *res; | |
2898 | struct nfs_cb_data *data = private_data; | |
2899 | struct nfs_context *nfs = data->nfs; | |
037a1061 RL |
2900 | struct create_cb_data *cb_data = data->continue_data; |
2901 | char *str = cb_data->path; | |
463d59bf | 2902 | LOOKUP3args args; |
84004dbf | 2903 | |
f3a75078 RS |
2904 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2905 | ||
84004dbf RS |
2906 | if (status == RPC_STATUS_ERROR) { |
2907 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2908 | free_nfs_cb_data(data); | |
2909 | return; | |
2910 | } | |
2911 | if (status == RPC_STATUS_CANCEL) { | |
2912 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2913 | free_nfs_cb_data(data); | |
2914 | return; | |
2915 | } | |
2916 | ||
2917 | str = &str[strlen(str) + 1]; | |
2918 | res = command_data; | |
2919 | if (res->status != NFS3_OK) { | |
2920 | 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)); | |
2921 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
fadbf8cf | 2922 | free_nfs_cb_data(data); |
84004dbf RS |
2923 | return; |
2924 | } | |
2925 | ||
463d59bf | 2926 | memset(&args, 0, sizeof(LOOKUP3args)); |
2452c57f RS |
2927 | args.what.dir = data->fh; |
2928 | args.what.name = str; | |
463d59bf RS |
2929 | |
2930 | if (rpc_nfs3_lookup_async(nfs->rpc, nfs_create_2_cb, &args, data) != 0) { | |
84004dbf RS |
2931 | rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str); |
2932 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2933 | free_nfs_cb_data(data); | |
2934 | return; | |
2935 | } | |
2936 | return; | |
2937 | } | |
2938 | ||
037a1061 | 2939 | static int nfs_create_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 2940 | { |
037a1061 RL |
2941 | struct create_cb_data *cb_data = data->continue_data; |
2942 | char *str = cb_data->path; | |
c985c015 RS |
2943 | CREATE3args args; |
2944 | ||
84004dbf RS |
2945 | str = &str[strlen(str) + 1]; |
2946 | ||
c985c015 | 2947 | memset(&args, 0, sizeof(CREATE3args)); |
2452c57f | 2948 | args.where.dir = data->fh; |
c985c015 | 2949 | args.where.name = str; |
037a1061 | 2950 | args.how.mode = (cb_data->flags & O_EXCL) ? GUARDED : UNCHECKED; |
c985c015 | 2951 | args.how.createhow3_u.obj_attributes.mode.set_it = 1; |
037a1061 | 2952 | args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = cb_data->mode; |
c985c015 | 2953 | |
037a1061 | 2954 | if (rpc_nfs3_create_async(nfs->rpc, nfs_create_1_cb, &args, data) != 0) { |
84004dbf RS |
2955 | rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str); |
2956 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2957 | free_nfs_cb_data(data); | |
2958 | return -1; | |
2959 | } | |
2960 | return 0; | |
2961 | } | |
2962 | ||
037a1061 | 2963 | int nfs_create_async(struct nfs_context *nfs, const char *path, int flags, int mode, nfs_cb cb, void *private_data) |
84004dbf | 2964 | { |
037a1061 | 2965 | struct create_cb_data *cb_data; |
84004dbf RS |
2966 | char *ptr; |
2967 | ||
037a1061 RL |
2968 | cb_data = malloc(sizeof(struct create_cb_data)); |
2969 | if (cb_data == NULL) { | |
2970 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data"); | |
2971 | return -1; | |
2972 | } | |
2973 | ||
2974 | cb_data->path = strdup(path); | |
2975 | if (cb_data->path == NULL) { | |
cbbf9d3e | 2976 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
037a1061 | 2977 | free(cb_data); |
84004dbf RS |
2978 | return -1; |
2979 | } | |
2980 | ||
037a1061 | 2981 | ptr = strrchr(cb_data->path, '/'); |
84004dbf | 2982 | if (ptr == NULL) { |
cbbf9d3e | 2983 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
037a1061 | 2984 | free_create_cb_data(cb_data); |
cbbf9d3e | 2985 | return -1; |
84004dbf RS |
2986 | } |
2987 | *ptr = 0; | |
2988 | ||
037a1061 RL |
2989 | cb_data->flags = flags; |
2990 | cb_data->mode = mode; | |
2991 | ||
73f4ae7c | 2992 | /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */ |
1d151991 | 2993 | if (nfs_lookuppath_async(nfs, cb_data->path, 0, cb, private_data, nfs_create_continue_internal, cb_data, free_create_cb_data, 0) != 0) { |
cbbf9d3e RS |
2994 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2995 | return -1; | |
84004dbf RS |
2996 | } |
2997 | ||
2998 | return 0; | |
2999 | } | |
3000 | ||
037a1061 RL |
3001 | int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) |
3002 | { | |
3003 | return nfs_create_async(nfs, path, 0, mode, cb, private_data); | |
3004 | } | |
3005 | ||
84004dbf RS |
3006 | |
3007 | ||
3008 | ||
3009 | /* | |
3010 | * Async unlink() | |
3011 | */ | |
f3a75078 | 3012 | static void nfs_unlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3013 | { |
3014 | REMOVE3res *res; | |
3015 | struct nfs_cb_data *data = private_data; | |
3016 | struct nfs_context *nfs = data->nfs; | |
3017 | char *str = data->continue_data; | |
4b1ae88a | 3018 | |
f3a75078 RS |
3019 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3020 | ||
84004dbf RS |
3021 | str = &str[strlen(str) + 1]; |
3022 | ||
3023 | if (status == RPC_STATUS_ERROR) { | |
3024 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3025 | free_nfs_cb_data(data); | |
3026 | return; | |
3027 | } | |
3028 | if (status == RPC_STATUS_CANCEL) { | |
3029 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3030 | free_nfs_cb_data(data); | |
3031 | return; | |
3032 | } | |
3033 | ||
3034 | res = command_data; | |
3035 | if (res->status != NFS3_OK) { | |
3036 | 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)); | |
3037 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3038 | free_nfs_cb_data(data); | |
3039 | return; | |
3040 | } | |
3041 | ||
3042 | data->cb(0, nfs, NULL, data->private_data); | |
3043 | free_nfs_cb_data(data); | |
3044 | } | |
3045 | ||
20379f03 | 3046 | static int nfs_unlink_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
3047 | { |
3048 | char *str = data->continue_data; | |
a0a5aa26 RS |
3049 | struct REMOVE3args args; |
3050 | ||
84004dbf RS |
3051 | str = &str[strlen(str) + 1]; |
3052 | ||
a0a5aa26 RS |
3053 | args.object.dir = data->fh; |
3054 | args.object.name = str; | |
3055 | if (rpc_nfs3_remove_async(nfs->rpc, nfs_unlink_cb, &args, data) != 0) { | |
84004dbf RS |
3056 | rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path); |
3057 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3058 | free_nfs_cb_data(data); | |
3059 | return -1; | |
3060 | } | |
3061 | return 0; | |
3062 | } | |
3063 | ||
3064 | int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3065 | { | |
3066 | char *new_path; | |
3067 | char *ptr; | |
3068 | ||
3069 | new_path = strdup(path); | |
3070 | if (new_path == NULL) { | |
cbbf9d3e | 3071 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
3072 | return -1; |
3073 | } | |
3074 | ||
93e9306f | 3075 | ptr = strrchr(new_path, '/'); |
84004dbf | 3076 | if (ptr == NULL) { |
bcbb21cd | 3077 | free(new_path); |
cbbf9d3e RS |
3078 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
3079 | return -1; | |
84004dbf RS |
3080 | } |
3081 | *ptr = 0; | |
3082 | ||
3083 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1d151991 | 3084 | if (nfs_lookuppath_async(nfs, new_path, 0, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) { |
cbbf9d3e RS |
3085 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
3086 | return -1; | |
84004dbf RS |
3087 | } |
3088 | ||
3089 | return 0; | |
3090 | } | |
3091 | ||
3092 | ||
1ec6b50a RS |
3093 | /* |
3094 | * Async mknod() | |
3095 | */ | |
3096 | struct mknod_cb_data { | |
3097 | char *path; | |
3098 | int mode; | |
3099 | int major; | |
3100 | int minor; | |
3101 | }; | |
3102 | ||
3103 | static void free_mknod_cb_data(void *ptr) | |
3104 | { | |
3105 | struct mknod_cb_data *data = ptr; | |
3106 | ||
3107 | free(data->path); | |
3108 | free(data); | |
3109 | } | |
3110 | ||
f3a75078 | 3111 | static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
1ec6b50a RS |
3112 | { |
3113 | MKNOD3res *res; | |
3114 | struct nfs_cb_data *data = private_data; | |
3115 | struct nfs_context *nfs = data->nfs; | |
3116 | char *str = data->continue_data; | |
4b1ae88a | 3117 | |
f3a75078 RS |
3118 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3119 | ||
1ec6b50a RS |
3120 | str = &str[strlen(str) + 1]; |
3121 | ||
3122 | if (status == RPC_STATUS_ERROR) { | |
3123 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3124 | free_nfs_cb_data(data); | |
3125 | return; | |
3126 | } | |
3127 | if (status == RPC_STATUS_CANCEL) { | |
3128 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3129 | free_nfs_cb_data(data); | |
3130 | return; | |
3131 | } | |
3132 | ||
3133 | res = command_data; | |
3134 | if (res->status != NFS3_OK) { | |
3135 | 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)); | |
3136 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3137 | free_nfs_cb_data(data); | |
3138 | return; | |
3139 | } | |
3140 | ||
3141 | data->cb(0, nfs, NULL, data->private_data); | |
3142 | free_nfs_cb_data(data); | |
3143 | } | |
3144 | ||
20379f03 | 3145 | static int nfs_mknod_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
1ec6b50a RS |
3146 | { |
3147 | struct mknod_cb_data *cb_data = data->continue_data; | |
3148 | char *str = cb_data->path; | |
b17cb0a2 | 3149 | MKNOD3args args; |
4b1ae88a | 3150 | |
1ec6b50a RS |
3151 | str = &str[strlen(str) + 1]; |
3152 | ||
b17cb0a2 RS |
3153 | args.where.dir = data->fh; |
3154 | args.where.name = str; | |
3155 | switch (cb_data->mode & S_IFMT) { | |
3156 | case S_IFCHR: | |
3157 | args.what.type = NF3CHR; | |
3158 | args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_it = 1; | |
3159 | 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); | |
3160 | args.what.mknoddata3_u.chr_device.spec.specdata1 = cb_data->major; | |
3161 | args.what.mknoddata3_u.chr_device.spec.specdata2 = cb_data->minor; | |
3162 | break; | |
3163 | case S_IFBLK: | |
3164 | args.what.type = NF3BLK; | |
3165 | args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_it = 1; | |
3166 | 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); | |
3167 | args.what.mknoddata3_u.blk_device.spec.specdata1 = cb_data->major; | |
3168 | args.what.mknoddata3_u.blk_device.spec.specdata2 = cb_data->minor; | |
3169 | case S_IFSOCK: | |
3170 | args.what.type = NF3SOCK; | |
3171 | args.what.mknoddata3_u.sock_attributes.mode.set_it = 1; | |
3172 | 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); | |
3173 | break; | |
3174 | case S_IFIFO: | |
3175 | args.what.type = NF3FIFO; | |
3176 | args.what.mknoddata3_u.pipe_attributes.mode.set_it = 1; | |
3177 | 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); | |
3178 | break; | |
3179 | default: | |
3180 | rpc_set_error(nfs->rpc, "Invalid file type for NFS3/MKNOD call"); | |
3181 | data->cb(-EINVAL, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3182 | free_nfs_cb_data(data); | |
3183 | return -1; | |
3184 | } | |
3185 | ||
3186 | if (rpc_nfs3_mknod_async(nfs->rpc, nfs_mknod_cb, &args, data) != 0) { | |
1ec6b50a RS |
3187 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
3188 | free_nfs_cb_data(data); | |
3189 | return -1; | |
3190 | } | |
3191 | return 0; | |
3192 | } | |
3193 | ||
3194 | int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data) | |
3195 | { | |
3196 | char *ptr; | |
3197 | struct mknod_cb_data *cb_data; | |
3198 | ||
3199 | cb_data = malloc(sizeof(struct mknod_cb_data)); | |
3200 | if (cb_data == NULL) { | |
3201 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data"); | |
3202 | return -1; | |
3203 | } | |
3204 | ||
3205 | cb_data->path = strdup(path); | |
3206 | if (cb_data->path == NULL) { | |
3207 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); | |
4b1ae88a | 3208 | free(cb_data); |
1ec6b50a RS |
3209 | return -1; |
3210 | } | |
3211 | ||
3212 | ptr = strrchr(cb_data->path, '/'); | |
3213 | if (ptr == NULL) { | |
3214 | rpc_set_error(nfs->rpc, "Invalid path %s", path); | |
feb2fc2f | 3215 | free_mknod_cb_data(cb_data); |
1ec6b50a RS |
3216 | return -1; |
3217 | } | |
3218 | *ptr = 0; | |
3219 | ||
3220 | cb_data->mode = mode; | |
3221 | cb_data->major = major(dev); | |
3222 | cb_data->minor = minor(dev); | |
3223 | ||
3224 | /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1d151991 | 3225 | if (nfs_lookuppath_async(nfs, cb_data->path, 0, cb, private_data, nfs_mknod_continue_internal, cb_data, free_mknod_cb_data, 0) != 0) { |
1ec6b50a | 3226 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1ec6b50a RS |
3227 | return -1; |
3228 | } | |
3229 | ||
3230 | return 0; | |
3231 | } | |
84004dbf | 3232 | |
84004dbf RS |
3233 | /* |
3234 | * Async opendir() | |
3235 | */ | |
fb69c64c RS |
3236 | |
3237 | /* ReadDirPlus Emulation Callback data */ | |
3238 | struct rdpe_cb_data { | |
3239 | int getattrcount; | |
3240 | int status; | |
3241 | struct nfs_cb_data *data; | |
3242 | }; | |
3243 | ||
3244 | /* ReadDirPlus Emulation LOOKUP Callback data */ | |
3245 | struct rdpe_lookup_cb_data { | |
3246 | struct rdpe_cb_data *rdpe_cb_data; | |
3247 | struct nfsdirent *nfsdirent; | |
3248 | }; | |
3249 | ||
3250 | /* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */ | |
f3a75078 | 3251 | static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf | 3252 | { |
fb69c64c RS |
3253 | LOOKUP3res *res = command_data; |
3254 | struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data; | |
3255 | struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data; | |
3256 | struct nfs_cb_data *data = rdpe_cb_data->data; | |
3257 | struct nfsdir *nfsdir = data->continue_data; | |
3258 | struct nfs_context *nfs = data->nfs; | |
3259 | struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent; | |
3260 | ||
f3a75078 RS |
3261 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3262 | ||
fb69c64c RS |
3263 | free(rdpe_lookup_cb_data); |
3264 | ||
3265 | rdpe_cb_data->getattrcount--; | |
3266 | ||
3267 | if (status == RPC_STATUS_ERROR) { | |
9a9566a3 RS |
3268 | rpc_set_error(nfs->rpc, "LOOKUP during READDIRPLUS emulation " |
3269 | "failed with RPC_STATUS_ERROR"); | |
fb69c64c RS |
3270 | rdpe_cb_data->status = RPC_STATUS_ERROR; |
3271 | } | |
3272 | if (status == RPC_STATUS_CANCEL) { | |
9a9566a3 RS |
3273 | rpc_set_error(nfs->rpc, "LOOKUP during READDIRPLUS emulation " |
3274 | "failed with RPC_STATUS_CANCEL"); | |
fb69c64c RS |
3275 | rdpe_cb_data->status = RPC_STATUS_CANCEL; |
3276 | } | |
fb69c64c RS |
3277 | if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) { |
3278 | if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) { | |
3279 | fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes; | |
3280 | ||
3281 | nfsdirent->type = attributes->type; | |
3282 | nfsdirent->mode = attributes->mode; | |
3283 | nfsdirent->size = attributes->size; | |
3284 | ||
3285 | nfsdirent->atime.tv_sec = attributes->atime.seconds; | |
3286 | nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000; | |
fc08ac45 | 3287 | nfsdirent->atime_nsec = attributes->atime.nseconds; |
fb69c64c RS |
3288 | nfsdirent->mtime.tv_sec = attributes->mtime.seconds; |
3289 | nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000; | |
fc08ac45 | 3290 | nfsdirent->mtime_nsec = attributes->mtime.nseconds; |
fb69c64c RS |
3291 | nfsdirent->ctime.tv_sec = attributes->ctime.seconds; |
3292 | nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000; | |
fc08ac45 | 3293 | nfsdirent->ctime_nsec = attributes->ctime.nseconds; |
7bda8bad RS |
3294 | nfsdirent->uid = attributes->uid; |
3295 | nfsdirent->gid = attributes->gid; | |
390ff38a | 3296 | nfsdirent->nlink = attributes->nlink; |
fc08ac45 RL |
3297 | nfsdirent->dev = attributes->fsid; |
3298 | nfsdirent->rdev = specdata3_to_rdev(&attributes->rdev); | |
3299 | nfsdirent->blksize = NFS_BLKSIZE; | |
3300 | nfsdirent->blocks = (attributes->used + 512 - 1) / 512; | |
3301 | nfsdirent->used = attributes->used; | |
fb69c64c RS |
3302 | } |
3303 | } | |
3304 | ||
3305 | if (rdpe_cb_data->getattrcount == 0) { | |
3306 | if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) { | |
9a9566a3 RS |
3307 | rpc_set_error(nfs->rpc, "READDIRPLUS emulation " |
3308 | "failed: %s", rpc_get_error(rpc)); | |
3309 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), | |
3310 | data->private_data); | |
fb69c64c RS |
3311 | nfs_free_nfsdir(nfsdir); |
3312 | } else { | |
3313 | data->cb(0, nfs, nfsdir, data->private_data); | |
3314 | } | |
3315 | free(rdpe_cb_data); | |
3316 | ||
3317 | data->continue_data = NULL; | |
3318 | free_nfs_cb_data(data); | |
3319 | } | |
3320 | } | |
3321 | ||
f3a75078 | 3322 | static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
fb69c64c RS |
3323 | { |
3324 | READDIR3res *res = command_data; | |
84004dbf RS |
3325 | struct nfs_cb_data *data = private_data; |
3326 | struct nfs_context *nfs = data->nfs; | |
fb6510bb | 3327 | struct nfsdir *nfsdir = data->continue_data; |
fb69c64c RS |
3328 | struct nfsdirent *nfsdirent; |
3329 | struct entry3 *entry; | |
ecbd14a1 | 3330 | uint64_t cookie = 0; |
fb69c64c | 3331 | struct rdpe_cb_data *rdpe_cb_data; |
4b1ae88a | 3332 | |
f3a75078 RS |
3333 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3334 | ||
84004dbf RS |
3335 | if (status == RPC_STATUS_ERROR) { |
3336 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3337 | nfs_free_nfsdir(nfsdir); | |
3338 | data->continue_data = NULL; | |
3339 | free_nfs_cb_data(data); | |
3340 | return; | |
3341 | } | |
fb69c64c | 3342 | |
84004dbf RS |
3343 | if (status == RPC_STATUS_CANCEL) { |
3344 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3345 | nfs_free_nfsdir(nfsdir); | |
3346 | data->continue_data = NULL; | |
3347 | free_nfs_cb_data(data); | |
3348 | return; | |
3349 | } | |
3350 | ||
84004dbf RS |
3351 | if (res->status != NFS3_OK) { |
3352 | 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)); | |
3353 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3354 | nfs_free_nfsdir(nfsdir); | |
3355 | data->continue_data = NULL; | |
3356 | free_nfs_cb_data(data); | |
3357 | return; | |
fb69c64c RS |
3358 | } |
3359 | ||
3360 | entry =res->READDIR3res_u.resok.reply.entries; | |
3361 | while (entry != NULL) { | |
3362 | nfsdirent = malloc(sizeof(struct nfsdirent)); | |
3363 | if (nfsdirent == NULL) { | |
3364 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data); | |
3365 | nfs_free_nfsdir(nfsdir); | |
3366 | data->continue_data = NULL; | |
3367 | free_nfs_cb_data(data); | |
3368 | return; | |
3369 | } | |
3370 | memset(nfsdirent, 0, sizeof(struct nfsdirent)); | |
3371 | nfsdirent->name = strdup(entry->name); | |
3372 | if (nfsdirent->name == NULL) { | |
3373 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data); | |
a26bebef | 3374 | free(nfsdirent); |
fb69c64c RS |
3375 | nfs_free_nfsdir(nfsdir); |
3376 | data->continue_data = NULL; | |
3377 | free_nfs_cb_data(data); | |
3378 | return; | |
3379 | } | |
3380 | nfsdirent->inode = entry->fileid; | |
3381 | ||
3382 | nfsdirent->next = nfsdir->entries; | |
3383 | nfsdir->entries = nfsdirent; | |
3384 | ||
3385 | cookie = entry->cookie; | |
3386 | entry = entry->nextentry; | |
3387 | } | |
3388 | ||
3389 | if (res->READDIR3res_u.resok.reply.eof == 0) { | |
a64a16a2 RS |
3390 | READDIR3args args; |
3391 | ||
3392 | args.dir = data->fh; | |
3393 | args.cookie = cookie; | |
2452c57f | 3394 | memcpy(&args.cookieverf, res->READDIR3res_u.resok.cookieverf, sizeof(cookieverf3)); |
a64a16a2 RS |
3395 | args.count = 8192; |
3396 | ||
3397 | if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) { | |
fb69c64c RS |
3398 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); |
3399 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3400 | nfs_free_nfsdir(nfsdir); | |
3401 | data->continue_data = NULL; | |
3402 | free_nfs_cb_data(data); | |
3403 | return; | |
3404 | } | |
3405 | return; | |
3406 | } | |
3407 | ||
56e96539 RS |
3408 | if (res->READDIR3res_u.resok.dir_attributes.attributes_follow) |
3409 | nfsdir->attr = res->READDIR3res_u.resok.dir_attributes.post_op_attr_u.attributes; | |
3410 | ||
fb69c64c RS |
3411 | /* steal the dirhandle */ |
3412 | nfsdir->current = nfsdir->entries; | |
3413 | ||
b6446650 AR |
3414 | if (nfsdir->entries) { |
3415 | rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data)); | |
3416 | rdpe_cb_data->getattrcount = 0; | |
3417 | rdpe_cb_data->status = RPC_STATUS_SUCCESS; | |
3418 | rdpe_cb_data->data = data; | |
3419 | for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) { | |
3420 | struct rdpe_lookup_cb_data *rdpe_lookup_cb_data; | |
3421 | LOOKUP3args args; | |
3422 | ||
3423 | rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data)); | |
3424 | rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data; | |
3425 | rdpe_lookup_cb_data->nfsdirent = nfsdirent; | |
3426 | ||
3427 | memset(&args, 0, sizeof(LOOKUP3args)); | |
3428 | args.what.dir = data->fh; | |
3429 | args.what.name = nfsdirent->name; | |
3430 | ||
3431 | if (rpc_nfs3_lookup_async(nfs->rpc, nfs_opendir3_cb, &args, rdpe_lookup_cb_data) != 0) { | |
3432 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call"); | |
3433 | ||
3434 | /* if we have already commands in flight, we cant just stop, we have to wait for the | |
3435 | * commands in flight to complete | |
3436 | */ | |
3437 | if (rdpe_cb_data->getattrcount > 0) { | |
3438 | nfs_free_nfsdir(nfsdir); | |
3439 | data->continue_data = NULL; | |
3440 | free_nfs_cb_data(data); | |
3441 | rdpe_cb_data->status = RPC_STATUS_ERROR; | |
3442 | free(rdpe_lookup_cb_data); | |
3443 | return; | |
3444 | } | |
3445 | ||
3446 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
a26bebef AR |
3447 | nfs_free_nfsdir(nfsdir); |
3448 | data->continue_data = NULL; | |
3449 | free_nfs_cb_data(data); | |
fb69c64c | 3450 | free(rdpe_lookup_cb_data); |
b6446650 | 3451 | free(rdpe_cb_data); |
fb69c64c RS |
3452 | return; |
3453 | } | |
b6446650 | 3454 | rdpe_cb_data->getattrcount++; |
fb69c64c | 3455 | } |
fb69c64c RS |
3456 | } |
3457 | } | |
3458 | ||
f3a75078 | 3459 | static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
fb69c64c RS |
3460 | { |
3461 | READDIRPLUS3res *res = command_data; | |
3462 | struct nfs_cb_data *data = private_data; | |
3463 | struct nfs_context *nfs = data->nfs; | |
3464 | struct nfsdir *nfsdir = data->continue_data; | |
3465 | struct entryplus3 *entry; | |
ecbd14a1 | 3466 | uint64_t cookie = 0; |
4b1ae88a | 3467 | |
f3a75078 | 3468 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
fb69c64c RS |
3469 | |
3470 | if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){ | |
a64a16a2 RS |
3471 | READDIR3args args; |
3472 | ||
3473 | args.dir = data->fh; | |
3474 | args.cookie = cookie; | |
2452c57f | 3475 | memset(&args.cookieverf, 0, sizeof(cookieverf3)); |
a64a16a2 | 3476 | args.count = 8192; |
fb69c64c | 3477 | |
a64a16a2 | 3478 | if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) { |
fb69c64c RS |
3479 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); |
3480 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3481 | nfs_free_nfsdir(nfsdir); | |
3482 | data->continue_data = NULL; | |
3483 | free_nfs_cb_data(data); | |
3484 | return; | |
3485 | } | |
3486 | return; | |
3487 | } | |
3488 | ||
3489 | if (status == RPC_STATUS_CANCEL) { | |
3490 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3491 | nfs_free_nfsdir(nfsdir); | |
3492 | data->continue_data = NULL; | |
3493 | free_nfs_cb_data(data); | |
3494 | return; | |
3495 | } | |
3496 | ||
3497 | if (res->status != NFS3_OK) { | |
3498 | 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)); | |
3499 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3500 | nfs_free_nfsdir(nfsdir); | |
3501 | data->continue_data = NULL; | |
3502 | free_nfs_cb_data(data); | |
3503 | return; | |
84004dbf RS |
3504 | } |
3505 | ||
f390f181 | 3506 | entry =res->READDIRPLUS3res_u.resok.reply.entries; |
84004dbf RS |
3507 | while (entry != NULL) { |
3508 | struct nfsdirent *nfsdirent; | |
3509 | ||
3510 | nfsdirent = malloc(sizeof(struct nfsdirent)); | |
3511 | if (nfsdirent == NULL) { | |
3512 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data); | |
3513 | nfs_free_nfsdir(nfsdir); | |
3514 | data->continue_data = NULL; | |
3515 | free_nfs_cb_data(data); | |
3516 | return; | |
3517 | } | |
ea98629a | 3518 | memset(nfsdirent, 0, sizeof(struct nfsdirent)); |
84004dbf RS |
3519 | nfsdirent->name = strdup(entry->name); |
3520 | if (nfsdirent->name == NULL) { | |
3521 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data); | |
b2fc5c54 | 3522 | free(nfsdirent); |
84004dbf RS |
3523 | nfs_free_nfsdir(nfsdir); |
3524 | data->continue_data = NULL; | |
3525 | free_nfs_cb_data(data); | |
3526 | return; | |
3527 | } | |
3528 | nfsdirent->inode = entry->fileid; | |
0804e67d RS |
3529 | if (entry->name_attributes.attributes_follow) { |
3530 | nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type; | |
3531 | nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode; | |
3532 | nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size; | |
3533 | ||
3534 | nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds; | |
3535 | nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000; | |
fc08ac45 | 3536 | nfsdirent->atime_nsec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds; |
0804e67d RS |
3537 | nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds; |
3538 | nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000; | |
fc08ac45 | 3539 | nfsdirent->mtime_nsec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds; |
0804e67d RS |
3540 | nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds; |
3541 | nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000; | |
fc08ac45 | 3542 | nfsdirent->ctime_nsec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds; |
7bda8bad RS |
3543 | nfsdirent->uid = entry->name_attributes.post_op_attr_u.attributes.uid; |
3544 | nfsdirent->gid = entry->name_attributes.post_op_attr_u.attributes.gid; | |
390ff38a | 3545 | nfsdirent->nlink = entry->name_attributes.post_op_attr_u.attributes.nlink; |
fc08ac45 RL |
3546 | nfsdirent->dev = entry->name_attributes.post_op_attr_u.attributes.fsid; |
3547 | nfsdirent->rdev = specdata3_to_rdev(&entry->name_attributes.post_op_attr_u.attributes.rdev); | |
3548 | nfsdirent->blksize = NFS_BLKSIZE; | |
3549 | nfsdirent->blocks = (entry->name_attributes.post_op_attr_u.attributes.used + 512 - 1) / 512; | |
3550 | nfsdirent->used = entry->name_attributes.post_op_attr_u.attributes.used; | |
0804e67d RS |
3551 | } |
3552 | ||
84004dbf RS |
3553 | nfsdirent->next = nfsdir->entries; |
3554 | nfsdir->entries = nfsdirent; | |
3555 | ||
3556 | cookie = entry->cookie; | |
3557 | entry = entry->nextentry; | |
3558 | } | |
3559 | ||
f390f181 | 3560 | if (res->READDIRPLUS3res_u.resok.reply.eof == 0) { |
1a5b83c9 RS |
3561 | READDIRPLUS3args args; |
3562 | ||
3563 | args.dir = data->fh; | |
3564 | args.cookie = cookie; | |
3565 | memcpy(&args.cookieverf, res->READDIRPLUS3res_u.resok.cookieverf, sizeof(cookieverf3)); | |
3566 | args.dircount = 8192; | |
3567 | args.maxcount = 8192; | |
3568 | ||
3569 | if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) { | |
f390f181 | 3570 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path); |
84004dbf RS |
3571 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
3572 | nfs_free_nfsdir(nfsdir); | |
3573 | data->continue_data = NULL; | |
3574 | free_nfs_cb_data(data); | |
3575 | return; | |
3576 | } | |
3577 | return; | |
3578 | } | |
3579 | ||
56e96539 RS |
3580 | if (res->READDIRPLUS3res_u.resok.dir_attributes.attributes_follow) |
3581 | nfsdir->attr = res->READDIRPLUS3res_u.resok.dir_attributes.post_op_attr_u.attributes; | |
3582 | ||
84004dbf RS |
3583 | /* steal the dirhandle */ |
3584 | data->continue_data = NULL; | |
3585 | nfsdir->current = nfsdir->entries; | |
3586 | ||
3587 | data->cb(0, nfs, nfsdir, data->private_data); | |
3588 | free_nfs_cb_data(data); | |
3589 | } | |
3590 | ||
20379f03 | 3591 | static int nfs_opendir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 3592 | { |
1a5b83c9 | 3593 | READDIRPLUS3args args; |
56e96539 RS |
3594 | struct nfsdir *nfsdir = data->continue_data;; |
3595 | struct nfsdir *cached; | |
3596 | ||
3597 | cached = nfs_dircache_find(nfs, &data->fh); | |
3598 | if (cached) { | |
3599 | if (attr && attr->mtime.seconds == cached->attr.mtime.seconds) { | |
3600 | cached->current = cached->entries; | |
3601 | data->cb(0, nfs, cached, data->private_data); | |
3602 | free_nfs_cb_data(data); | |
3603 | return 0; | |
3604 | } else { | |
3605 | /* cache must be stale */ | |
3606 | nfs_free_nfsdir(cached); | |
3607 | } | |
3608 | } | |
3609 | ||
3610 | nfsdir->fh.data.data_len = data->fh.data.data_len; | |
3611 | nfsdir->fh.data.data_val = malloc(nfsdir->fh.data.data_len); | |
3612 | if (nfsdir->fh.data.data_val == NULL) { | |
3613 | rpc_set_error(nfs->rpc, "OOM when allocating fh for nfsdir"); | |
3614 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3615 | free_nfs_cb_data(data); | |
3616 | return -1; | |
3617 | } | |
3618 | memcpy(nfsdir->fh.data.data_val, data->fh.data.data_val, data->fh.data.data_len); | |
84004dbf | 3619 | |
1a5b83c9 RS |
3620 | args.dir = data->fh; |
3621 | args.cookie = 0; | |
3622 | memset(&args.cookieverf, 0, sizeof(cookieverf3)); | |
3623 | args.dircount = 8192; | |
3624 | args.maxcount = 8192; | |
3625 | if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) { | |
f390f181 | 3626 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path); |
84004dbf RS |
3627 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
3628 | free_nfs_cb_data(data); | |
3629 | return -1; | |
3630 | } | |
3631 | return 0; | |
3632 | } | |
3633 | ||
3634 | int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3635 | { | |
3636 | struct nfsdir *nfsdir; | |
3637 | ||
3638 | nfsdir = malloc(sizeof(struct nfsdir)); | |
3639 | if (nfsdir == NULL) { | |
cbbf9d3e | 3640 | rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir"); |
84004dbf RS |
3641 | return -1; |
3642 | } | |
ea98629a | 3643 | memset(nfsdir, 0, sizeof(struct nfsdir)); |
84004dbf | 3644 | |
1d151991 | 3645 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) { |
cbbf9d3e RS |
3646 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
3647 | return -1; | |
84004dbf RS |
3648 | } |
3649 | ||
3650 | return 0; | |
3651 | } | |
3652 | ||
3653 | ||
3654 | struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir) | |
3655 | { | |
3656 | struct nfsdirent *nfsdirent = nfsdir->current; | |
3657 | ||
3658 | if (nfsdir->current != NULL) { | |
3659 | nfsdir->current = nfsdir->current->next; | |
3660 | } | |
3661 | return nfsdirent; | |
3662 | } | |
3663 | ||
3664 | ||
f893b680 RS |
3665 | /* |
3666 | * closedir() | |
3667 | */ | |
56e96539 | 3668 | void nfs_closedir(struct nfs_context *nfs, struct nfsdir *nfsdir) |
84004dbf | 3669 | { |
56e96539 | 3670 | nfs_dircache_add(nfs, nfsdir); |
84004dbf RS |
3671 | } |
3672 | ||
3673 | ||
f893b680 RS |
3674 | /* |
3675 | * getcwd() | |
3676 | */ | |
3677 | void nfs_getcwd(struct nfs_context *nfs, const char **cwd) | |
3678 | { | |
3679 | if (cwd) { | |
3680 | *cwd = nfs->cwd; | |
3681 | } | |
3682 | } | |
84004dbf RS |
3683 | |
3684 | ||
3685 | /* | |
3686 | * Async lseek() | |
3687 | */ | |
3688 | struct lseek_cb_data { | |
3689 | struct nfs_context *nfs; | |
3690 | struct nfsfh *nfsfh; | |
1f1b6cb0 | 3691 | int64_t offset; |
84004dbf RS |
3692 | nfs_cb cb; |
3693 | void *private_data; | |
3694 | }; | |
3695 | ||
f3a75078 | 3696 | static void nfs_lseek_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3697 | { |
3698 | GETATTR3res *res; | |
3699 | struct lseek_cb_data *data = private_data; | |
3700 | struct nfs_context *nfs = data->nfs; | |
1f1b6cb0 | 3701 | uint64_t size = 0; |
84004dbf | 3702 | |
f3a75078 RS |
3703 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3704 | ||
84004dbf RS |
3705 | if (status == RPC_STATUS_ERROR) { |
3706 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3707 | free(data); | |
3708 | return; | |
3709 | } | |
3710 | if (status == RPC_STATUS_CANCEL) { | |
3711 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3712 | free(data); | |
3713 | return; | |
3714 | } | |
3715 | ||
3716 | res = command_data; | |
3717 | if (res->status != NFS3_OK) { | |
3718 | rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3719 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3720 | free(data); | |
3721 | return; | |
3722 | } | |
3723 | ||
1f1b6cb0 AR |
3724 | size = res->GETATTR3res_u.resok.obj_attributes.size; |
3725 | ||
3726 | if (data->offset < 0 && | |
3727 | (uint64_t)(-data->offset) > size) { | |
3728 | data->cb(-EINVAL, nfs, &data->nfsfh->offset, data->private_data); | |
3729 | } else { | |
3730 | data->nfsfh->offset = data->offset + size; | |
3731 | data->cb(0, nfs, &data->nfsfh->offset, data->private_data); | |
3732 | } | |
3733 | ||
84004dbf RS |
3734 | free(data); |
3735 | } | |
3736 | ||
1f1b6cb0 | 3737 | int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int64_t offset, int whence, nfs_cb cb, void *private_data) |
84004dbf RS |
3738 | { |
3739 | struct lseek_cb_data *data; | |
463d59bf | 3740 | struct GETATTR3args args; |
84004dbf RS |
3741 | |
3742 | if (whence == SEEK_SET) { | |
1f1b6cb0 AR |
3743 | if (offset < 0) { |
3744 | cb(-EINVAL, nfs, &nfsfh->offset, private_data); | |
3745 | } else { | |
3746 | nfsfh->offset = offset; | |
3747 | cb(0, nfs, &nfsfh->offset, private_data); | |
3748 | } | |
84004dbf RS |
3749 | return 0; |
3750 | } | |
3751 | if (whence == SEEK_CUR) { | |
1f1b6cb0 AR |
3752 | if (offset < 0 && |
3753 | nfsfh->offset < (uint64_t)(-offset)) { | |
3754 | cb(-EINVAL, nfs, &nfsfh->offset, private_data); | |
3755 | } else { | |
3756 | nfsfh->offset += offset; | |
3757 | cb(0, nfs, &nfsfh->offset, private_data); | |
3758 | } | |
84004dbf RS |
3759 | return 0; |
3760 | } | |
3761 | ||
3762 | data = malloc(sizeof(struct lseek_cb_data)); | |
3763 | if (data == NULL) { | |
3764 | rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data"); | |
3765 | return -1; | |
3766 | } | |
3767 | ||
3768 | data->nfs = nfs; | |
3769 | data->nfsfh = nfsfh; | |
3770 | data->offset = offset; | |
3771 | data->cb = cb; | |
3772 | data->private_data = private_data; | |
3773 | ||
463d59bf | 3774 | memset(&args, 0, sizeof(GETATTR3args)); |
2452c57f | 3775 | args.object = nfsfh->fh; |
463d59bf RS |
3776 | |
3777 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lseek_1_cb, &args, data) != 0) { | |
84004dbf RS |
3778 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call"); |
3779 | free(data); | |
cbbf9d3e | 3780 | return -1; |
84004dbf RS |
3781 | } |
3782 | return 0; | |
3783 | } | |
3784 | ||
3785 | ||
3786 | ||
3787 | ||
3788 | /* | |
3789 | * Async statvfs() | |
3790 | */ | |
f3a75078 | 3791 | static void nfs_statvfs_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3792 | { |
3793 | FSSTAT3res *res; | |
3794 | struct nfs_cb_data *data = private_data; | |
3795 | struct nfs_context *nfs = data->nfs; | |
3796 | struct statvfs svfs; | |
3797 | ||
f3a75078 RS |
3798 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3799 | ||
84004dbf RS |
3800 | if (status == RPC_STATUS_ERROR) { |
3801 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3802 | free_nfs_cb_data(data); | |
3803 | return; | |
3804 | } | |
3805 | if (status == RPC_STATUS_CANCEL) { | |
3806 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3807 | free_nfs_cb_data(data); | |
3808 | return; | |
3809 | } | |
3810 | ||
3811 | res = command_data; | |
3812 | if (res->status != NFS3_OK) { | |
3813 | 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)); | |
3814 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3815 | free_nfs_cb_data(data); | |
3816 | return; | |
3817 | } | |
3818 | ||
3ca2aac9 PL |
3819 | svfs.f_bsize = NFS_BLKSIZE; |
3820 | svfs.f_frsize = NFS_BLKSIZE; | |
3821 | svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/NFS_BLKSIZE; | |
3822 | svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/NFS_BLKSIZE; | |
3823 | svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/NFS_BLKSIZE; | |
84004dbf RS |
3824 | svfs.f_files = res->FSSTAT3res_u.resok.tfiles; |
3825 | svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles; | |
252aa90d | 3826 | #if !defined(ANDROID) |
84004dbf RS |
3827 | svfs.f_favail = res->FSSTAT3res_u.resok.afiles; |
3828 | svfs.f_fsid = 0; | |
3829 | svfs.f_flag = 0; | |
3830 | svfs.f_namemax = 256; | |
252aa90d | 3831 | #endif |
84004dbf RS |
3832 | |
3833 | data->cb(0, nfs, &svfs, data->private_data); | |
3834 | free_nfs_cb_data(data); | |
3835 | } | |
3836 | ||
20379f03 | 3837 | static int nfs_statvfs_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 3838 | { |
0249c17b RS |
3839 | FSSTAT3args args; |
3840 | ||
3841 | args.fsroot = data->fh; | |
3842 | if (rpc_nfs3_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &args, data) != 0) { | |
84004dbf RS |
3843 | rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path); |
3844 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3845 | free_nfs_cb_data(data); | |
3846 | return -1; | |
3847 | } | |
3848 | return 0; | |
3849 | } | |
3850 | ||
3851 | int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3852 | { | |
1d151991 | 3853 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) { |
cbbf9d3e | 3854 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
3855 | return -1; |
3856 | } | |
3857 | ||
3858 | return 0; | |
3859 | } | |
3860 | ||
3861 | ||
3862 | ||
3863 | ||
3864 | /* | |
3865 | * Async readlink() | |
3866 | */ | |
f3a75078 | 3867 | static void nfs_readlink_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3868 | { |
3869 | READLINK3res *res; | |
3870 | struct nfs_cb_data *data = private_data; | |
3871 | struct nfs_context *nfs = data->nfs; | |
3872 | ||
f3a75078 RS |
3873 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3874 | ||
84004dbf RS |
3875 | if (status == RPC_STATUS_ERROR) { |
3876 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3877 | free_nfs_cb_data(data); | |
3878 | return; | |
3879 | } | |
3880 | if (status == RPC_STATUS_CANCEL) { | |
3881 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3882 | free_nfs_cb_data(data); | |
3883 | return; | |
3884 | } | |
3885 | ||
3886 | res = command_data; | |
3887 | if (res->status != NFS3_OK) { | |
3888 | 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)); | |
3889 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3890 | free_nfs_cb_data(data); | |
3891 | return; | |
3892 | } | |
3893 | ||
4b1ae88a | 3894 | |
84004dbf RS |
3895 | data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data); |
3896 | free_nfs_cb_data(data); | |
3897 | } | |
3898 | ||
20379f03 | 3899 | static int nfs_readlink_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 3900 | { |
16104b27 RS |
3901 | READLINK3args args; |
3902 | ||
2452c57f | 3903 | args.symlink = data->fh; |
16104b27 | 3904 | |
7cd23ccc | 3905 | if (rpc_nfs3_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) { |
84004dbf RS |
3906 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path); |
3907 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3908 | free_nfs_cb_data(data); | |
3909 | return -1; | |
3910 | } | |
3911 | return 0; | |
3912 | } | |
3913 | ||
3914 | int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3915 | { | |
1d151991 | 3916 | if (nfs_lookuppath_async(nfs, path, 1, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) { |
cbbf9d3e | 3917 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
3918 | return -1; |
3919 | } | |
3920 | ||
3921 | return 0; | |
3922 | } | |
3923 | ||
3924 | ||
3925 | ||
3926 | ||
3927 | /* | |
3928 | * Async chmod() | |
3929 | */ | |
f3a75078 | 3930 | static void nfs_chmod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3931 | { |
3932 | struct nfs_cb_data *data = private_data; | |
3933 | struct nfs_context *nfs = data->nfs; | |
3934 | SETATTR3res *res; | |
3935 | ||
f3a75078 RS |
3936 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3937 | ||
84004dbf RS |
3938 | if (status == RPC_STATUS_ERROR) { |
3939 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3940 | free_nfs_cb_data(data); | |
3941 | return; | |
3942 | } | |
3943 | if (status == RPC_STATUS_CANCEL) { | |
3944 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3945 | free_nfs_cb_data(data); | |
3946 | return; | |
3947 | } | |
3948 | ||
3949 | res = command_data; | |
3950 | if (res->status != NFS3_OK) { | |
3951 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3952 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3953 | free_nfs_cb_data(data); | |
3954 | return; | |
3955 | } | |
3956 | ||
3957 | data->cb(0, nfs, NULL, data->private_data); | |
3958 | free_nfs_cb_data(data); | |
3959 | } | |
3960 | ||
20379f03 | 3961 | static int nfs_chmod_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
3962 | { |
3963 | SETATTR3args args; | |
3964 | ||
ea98629a | 3965 | memset(&args, 0, sizeof(SETATTR3args)); |
2452c57f | 3966 | args.object = data->fh; |
84004dbf RS |
3967 | args.new_attributes.mode.set_it = 1; |
3968 | args.new_attributes.mode.set_mode3_u.mode = data->continue_int; | |
3969 | ||
b701254d | 3970 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) { |
84004dbf RS |
3971 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
3972 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3973 | free_nfs_cb_data(data); | |
3974 | return -1; | |
3975 | } | |
3976 | return 0; | |
3977 | } | |
3978 | ||
3979 | ||
8d590667 | 3980 | int nfs_chmod_async_internal(struct nfs_context *nfs, const char *path, int no_follow, int mode, nfs_cb cb, void *private_data) |
84004dbf | 3981 | { |
8d590667 | 3982 | if (nfs_lookuppath_async(nfs, path, no_follow, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) { |
cbbf9d3e | 3983 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
3984 | return -1; |
3985 | } | |
3986 | ||
3987 | return 0; | |
3988 | } | |
3989 | ||
8d590667 RL |
3990 | int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) |
3991 | { | |
3992 | return nfs_chown_async_internal(nfs, path, 0, mode, cb, private_data); | |
3993 | } | |
3994 | ||
3995 | int nfs_lchmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
3996 | { | |
3997 | return nfs_chown_async_internal(nfs, path, 1, mode, cb, private_data); | |
3998 | } | |
3999 | ||
84004dbf RS |
4000 | /* |
4001 | * Async fchmod() | |
4002 | */ | |
4003 | int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data) | |
4004 | { | |
4005 | struct nfs_cb_data *data; | |
4006 | ||
4007 | data = malloc(sizeof(struct nfs_cb_data)); | |
4008 | if (data == NULL) { | |
cbbf9d3e | 4009 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data"); |
84004dbf RS |
4010 | return -1; |
4011 | } | |
ea98629a | 4012 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
4013 | data->nfs = nfs; |
4014 | data->cb = cb; | |
4015 | data->private_data = private_data; | |
4016 | data->continue_int = mode; | |
4017 | data->fh.data.data_len = nfsfh->fh.data.data_len; | |
4018 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
4019 | if (data->fh.data.data_val == NULL) { | |
4020 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
4021 | free_nfs_cb_data(data); | |
4022 | return -1; | |
4023 | } | |
4024 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
4025 | ||
20379f03 | 4026 | if (nfs_chmod_continue_internal(nfs, NULL, data) != 0) { |
84004dbf RS |
4027 | return -1; |
4028 | } | |
4029 | ||
4030 | return 0; | |
4031 | } | |
4032 | ||
4033 | ||
4034 | ||
4035 | /* | |
4036 | * Async chown() | |
4037 | */ | |
f3a75078 | 4038 | static void nfs_chown_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4039 | { |
4040 | struct nfs_cb_data *data = private_data; | |
4041 | struct nfs_context *nfs = data->nfs; | |
4042 | SETATTR3res *res; | |
4043 | ||
f3a75078 RS |
4044 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4045 | ||
84004dbf RS |
4046 | if (status == RPC_STATUS_ERROR) { |
4047 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4048 | free_nfs_cb_data(data); | |
4049 | return; | |
4050 | } | |
4051 | if (status == RPC_STATUS_CANCEL) { | |
4052 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4053 | free_nfs_cb_data(data); | |
4054 | return; | |
4055 | } | |
4056 | ||
4057 | res = command_data; | |
4058 | if (res->status != NFS3_OK) { | |
4059 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
4060 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4061 | free_nfs_cb_data(data); | |
4062 | return; | |
4063 | } | |
4064 | ||
4065 | data->cb(0, nfs, NULL, data->private_data); | |
4066 | free_nfs_cb_data(data); | |
4067 | } | |
4068 | ||
4069 | struct nfs_chown_data { | |
4070 | uid_t uid; | |
4071 | gid_t gid; | |
4072 | }; | |
4073 | ||
20379f03 | 4074 | static int nfs_chown_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4075 | { |
4076 | SETATTR3args args; | |
4077 | struct nfs_chown_data *chown_data = data->continue_data; | |
4078 | ||
ea98629a | 4079 | memset(&args, 0, sizeof(SETATTR3args)); |
2452c57f | 4080 | args.object = data->fh; |
84004dbf RS |
4081 | if (chown_data->uid != (uid_t)-1) { |
4082 | args.new_attributes.uid.set_it = 1; | |
4083 | args.new_attributes.uid.set_uid3_u.uid = chown_data->uid; | |
4084 | } | |
4085 | if (chown_data->gid != (gid_t)-1) { | |
4086 | args.new_attributes.gid.set_it = 1; | |
4087 | args.new_attributes.gid.set_gid3_u.gid = chown_data->gid; | |
4088 | } | |
4089 | ||
b701254d | 4090 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) { |
84004dbf RS |
4091 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
4092 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4093 | free_nfs_cb_data(data); | |
4094 | return -1; | |
4095 | } | |
4096 | return 0; | |
4097 | } | |
4098 | ||
4099 | ||
5935a28a | 4100 | int nfs_chown_async_internal(struct nfs_context *nfs, const char *path, int no_follow, int uid, int gid, nfs_cb cb, void *private_data) |
84004dbf RS |
4101 | { |
4102 | struct nfs_chown_data *chown_data; | |
4103 | ||
4104 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
4105 | if (chown_data == NULL) { | |
cbbf9d3e | 4106 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); |
84004dbf RS |
4107 | return -1; |
4108 | } | |
4109 | ||
4110 | chown_data->uid = uid; | |
4111 | chown_data->gid = gid; | |
4112 | ||
5935a28a | 4113 | if (nfs_lookuppath_async(nfs, path, no_follow, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) { |
cbbf9d3e | 4114 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
4115 | return -1; |
4116 | } | |
4117 | ||
4118 | return 0; | |
4119 | } | |
4120 | ||
5935a28a RL |
4121 | int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data) |
4122 | { | |
4123 | return nfs_chown_async_internal(nfs, path, 0, uid, gid, cb, private_data); | |
4124 | } | |
4125 | ||
4126 | int nfs_lchown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data) | |
4127 | { | |
4128 | return nfs_chown_async_internal(nfs, path, 1, uid, gid, cb, private_data); | |
4129 | } | |
84004dbf RS |
4130 | |
4131 | /* | |
4132 | * Async fchown() | |
4133 | */ | |
4134 | int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data) | |
4135 | { | |
4136 | struct nfs_cb_data *data; | |
4137 | struct nfs_chown_data *chown_data; | |
4138 | ||
4139 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
4140 | if (chown_data == NULL) { | |
cbbf9d3e | 4141 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); |
84004dbf RS |
4142 | return -1; |
4143 | } | |
4144 | ||
4145 | chown_data->uid = uid; | |
4146 | chown_data->gid = gid; | |
4147 | ||
84004dbf RS |
4148 | data = malloc(sizeof(struct nfs_cb_data)); |
4149 | if (data == NULL) { | |
cbbf9d3e | 4150 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data"); |
b6619d88 | 4151 | free(chown_data); |
84004dbf RS |
4152 | return -1; |
4153 | } | |
ea98629a | 4154 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
4155 | data->nfs = nfs; |
4156 | data->cb = cb; | |
4157 | data->private_data = private_data; | |
4158 | data->continue_data = chown_data; | |
6b1f14ca | 4159 | data->free_continue_data = free; |
84004dbf RS |
4160 | data->fh.data.data_len = nfsfh->fh.data.data_len; |
4161 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
4162 | if (data->fh.data.data_val == NULL) { | |
4163 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
4164 | free_nfs_cb_data(data); | |
4165 | return -1; | |
4166 | } | |
4167 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
4168 | ||
20379f03 | 4169 | if (nfs_chown_continue_internal(nfs, NULL, data) != 0) { |
84004dbf RS |
4170 | return -1; |
4171 | } | |
4172 | ||
4173 | return 0; | |
4174 | } | |
4175 | ||
4176 | ||
4177 | ||
4178 | ||
4179 | ||
4180 | /* | |
4181 | * Async utimes() | |
4182 | */ | |
f3a75078 | 4183 | static void nfs_utimes_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4184 | { |
4185 | struct nfs_cb_data *data = private_data; | |
4186 | struct nfs_context *nfs = data->nfs; | |
4187 | SETATTR3res *res; | |
4188 | ||
f3a75078 RS |
4189 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4190 | ||
84004dbf RS |
4191 | if (status == RPC_STATUS_ERROR) { |
4192 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4193 | free_nfs_cb_data(data); | |
4194 | return; | |
4195 | } | |
4196 | if (status == RPC_STATUS_CANCEL) { | |
4197 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4198 | free_nfs_cb_data(data); | |
4199 | return; | |
4200 | } | |
4201 | ||
4202 | res = command_data; | |
4203 | if (res->status != NFS3_OK) { | |
4204 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
4205 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4206 | free_nfs_cb_data(data); | |
4207 | return; | |
4208 | } | |
4209 | ||
4210 | data->cb(0, nfs, NULL, data->private_data); | |
4211 | free_nfs_cb_data(data); | |
4212 | } | |
4213 | ||
20379f03 | 4214 | static int nfs_utimes_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4215 | { |
4216 | SETATTR3args args; | |
4217 | struct timeval *utimes_data = data->continue_data; | |
4218 | ||
ea98629a | 4219 | memset(&args, 0, sizeof(SETATTR3args)); |
2452c57f | 4220 | args.object = data->fh; |
84004dbf RS |
4221 | if (utimes_data != NULL) { |
4222 | args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME; | |
4223 | args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec; | |
4224 | args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000; | |
4225 | args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME; | |
4226 | args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec; | |
4227 | args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000; | |
4228 | } else { | |
4229 | args.new_attributes.atime.set_it = SET_TO_SERVER_TIME; | |
4230 | args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME; | |
4231 | } | |
4232 | ||
b701254d | 4233 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) { |
84004dbf RS |
4234 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
4235 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4236 | free_nfs_cb_data(data); | |
4237 | return -1; | |
4238 | } | |
4239 | return 0; | |
4240 | } | |
4241 | ||
6505b539 | 4242 | int nfs_utimes_async_internal(struct nfs_context *nfs, const char *path, int no_follow, struct timeval *times, nfs_cb cb, void *private_data) |
84004dbf RS |
4243 | { |
4244 | struct timeval *new_times = NULL; | |
4245 | ||
4246 | if (times != NULL) { | |
4247 | new_times = malloc(sizeof(struct timeval)*2); | |
4248 | if (new_times == NULL) { | |
cbbf9d3e | 4249 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); |
84004dbf RS |
4250 | return -1; |
4251 | } | |
4252 | ||
4253 | memcpy(new_times, times, sizeof(struct timeval)*2); | |
4254 | } | |
4255 | ||
6505b539 | 4256 | if (nfs_lookuppath_async(nfs, path, no_follow, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { |
cbbf9d3e | 4257 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
4258 | return -1; |
4259 | } | |
4260 | ||
4261 | return 0; | |
4262 | } | |
4263 | ||
6505b539 RL |
4264 | int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data) |
4265 | { | |
4266 | return nfs_utimes_async_internal(nfs, path, 0, times, cb, private_data); | |
4267 | } | |
4268 | ||
4269 | int nfs_lutimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data) | |
4270 | { | |
4271 | return nfs_utimes_async_internal(nfs, path, 1, times, cb, private_data); | |
4272 | } | |
4273 | ||
84004dbf RS |
4274 | /* |
4275 | * Async utime() | |
4276 | */ | |
4277 | int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data) | |
4278 | { | |
4279 | struct timeval *new_times = NULL; | |
4280 | ||
4281 | if (times != NULL) { | |
4282 | new_times = malloc(sizeof(struct timeval)*2); | |
4283 | if (new_times == NULL) { | |
cbbf9d3e | 4284 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); |
84004dbf RS |
4285 | return -1; |
4286 | } | |
4287 | ||
4288 | new_times[0].tv_sec = times->actime; | |
4289 | new_times[0].tv_usec = 0; | |
4290 | new_times[1].tv_sec = times->modtime; | |
4291 | new_times[1].tv_usec = 0; | |
4292 | } | |
4293 | ||
1d151991 | 4294 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { |
cbbf9d3e | 4295 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
4296 | return -1; |
4297 | } | |
4298 | ||
4299 | return 0; | |
4300 | } | |
84004dbf RS |
4301 | |
4302 | ||
4303 | /* | |
4304 | * Async access() | |
4305 | */ | |
f3a75078 | 4306 | static void nfs_access_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4307 | { |
4308 | ACCESS3res *res; | |
4309 | struct nfs_cb_data *data = private_data; | |
4310 | struct nfs_context *nfs = data->nfs; | |
4311 | unsigned int nfsmode = 0; | |
4312 | ||
f3a75078 RS |
4313 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4314 | ||
84004dbf RS |
4315 | if (status == RPC_STATUS_ERROR) { |
4316 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4317 | free_nfs_cb_data(data); | |
4318 | return; | |
4319 | } | |
4320 | if (status == RPC_STATUS_CANCEL) { | |
4321 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4322 | free_nfs_cb_data(data); | |
4323 | return; | |
4324 | } | |
4325 | ||
4326 | res = command_data; | |
4327 | if (res->status != NFS3_OK) { | |
4328 | 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)); | |
4329 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4330 | free_nfs_cb_data(data); | |
4331 | return; | |
4332 | } | |
4333 | ||
4334 | if (data->continue_int & R_OK) { | |
4335 | nfsmode |= ACCESS3_READ; | |
4336 | } | |
4337 | if (data->continue_int & W_OK) { | |
4338 | nfsmode |= ACCESS3_MODIFY; | |
4339 | } | |
4340 | if (data->continue_int & X_OK) { | |
4341 | nfsmode |= ACCESS3_EXECUTE; | |
4342 | } | |
4343 | ||
4344 | if (res->ACCESS3res_u.resok.access != nfsmode) { | |
4345 | rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c", | |
4346 | nfsmode&ACCESS3_READ?'r':'-', | |
4347 | nfsmode&ACCESS3_MODIFY?'w':'-', | |
4348 | nfsmode&ACCESS3_EXECUTE?'x':'-', | |
4349 | res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-', | |
4350 | res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-', | |
4351 | res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-'); | |
4352 | data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4353 | free_nfs_cb_data(data); | |
4354 | return; | |
4355 | } | |
4356 | ||
4357 | data->cb(0, nfs, NULL, data->private_data); | |
4358 | free_nfs_cb_data(data); | |
4359 | } | |
4360 | ||
20379f03 | 4361 | static int nfs_access_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4362 | { |
4363 | int nfsmode = 0; | |
463d59bf | 4364 | ACCESS3args args; |
84004dbf RS |
4365 | |
4366 | if (data->continue_int & R_OK) { | |
4367 | nfsmode |= ACCESS3_READ; | |
4368 | } | |
4369 | if (data->continue_int & W_OK) { | |
4370 | nfsmode |= ACCESS3_MODIFY; | |
4371 | } | |
4372 | if (data->continue_int & X_OK) { | |
4373 | nfsmode |= ACCESS3_EXECUTE; | |
4374 | } | |
4375 | ||
463d59bf | 4376 | memset(&args, 0, sizeof(ACCESS3args)); |
2452c57f | 4377 | args.object = data->fh; |
463d59bf RS |
4378 | args.access = nfsmode; |
4379 | ||
4380 | if (rpc_nfs3_access_async(nfs->rpc, nfs_access_cb, &args, data) != 0) { | |
84004dbf RS |
4381 | rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path); |
4382 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4383 | free_nfs_cb_data(data); | |
4384 | return -1; | |
4385 | } | |
4386 | return 0; | |
4387 | } | |
4388 | ||
4389 | int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
4390 | { | |
1d151991 | 4391 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) { |
cbbf9d3e RS |
4392 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
4393 | return -1; | |
84004dbf RS |
4394 | } |
4395 | ||
4396 | return 0; | |
4397 | } | |
4398 | ||
4399 | ||
4400 | ||
4401 | /* | |
4402 | * Async symlink() | |
4403 | */ | |
4404 | struct nfs_symlink_data { | |
4405 | char *oldpath; | |
4406 | char *newpathparent; | |
4407 | char *newpathobject; | |
4408 | }; | |
4409 | ||
4410 | static void free_nfs_symlink_data(void *mem) | |
4411 | { | |
4412 | struct nfs_symlink_data *data = mem; | |
4413 | ||
4414 | if (data->oldpath != NULL) { | |
4415 | free(data->oldpath); | |
4416 | } | |
4417 | if (data->newpathparent != NULL) { | |
4418 | free(data->newpathparent); | |
4419 | } | |
4420 | if (data->newpathobject != NULL) { | |
4421 | free(data->newpathobject); | |
4422 | } | |
4423 | free(data); | |
4424 | } | |
4425 | ||
f3a75078 | 4426 | static void nfs_symlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4427 | { |
4428 | SYMLINK3res *res; | |
4429 | struct nfs_cb_data *data = private_data; | |
4430 | struct nfs_context *nfs = data->nfs; | |
4431 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
4b1ae88a | 4432 | |
f3a75078 RS |
4433 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4434 | ||
84004dbf RS |
4435 | if (status == RPC_STATUS_ERROR) { |
4436 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4437 | free_nfs_cb_data(data); | |
4438 | return; | |
4439 | } | |
4440 | if (status == RPC_STATUS_CANCEL) { | |
4441 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4442 | free_nfs_cb_data(data); | |
4443 | return; | |
4444 | } | |
4445 | ||
4446 | res = command_data; | |
4447 | if (res->status != NFS3_OK) { | |
4448 | 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)); | |
4449 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4450 | free_nfs_cb_data(data); | |
4451 | return; | |
4452 | } | |
4453 | ||
4454 | data->cb(0, nfs, NULL, data->private_data); | |
4455 | free_nfs_cb_data(data); | |
4456 | } | |
4457 | ||
20379f03 | 4458 | static int nfs_symlink_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4459 | { |
4460 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
87f81c85 | 4461 | SYMLINK3args args; |
84004dbf | 4462 | |
87f81c85 | 4463 | memset(&args, 0, sizeof(SYMLINK3args)); |
2452c57f | 4464 | args.where.dir = data->fh; |
87f81c85 RS |
4465 | args.where.name = symlink_data->newpathobject; |
4466 | args.symlink.symlink_attributes.mode.set_it = 1; | |
4467 | 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; | |
4468 | args.symlink.symlink_data = symlink_data->oldpath; | |
8e255816 | 4469 | |
87f81c85 | 4470 | if (rpc_nfs3_symlink_async(nfs->rpc, nfs_symlink_cb, &args, data) != 0) { |
84004dbf RS |
4471 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path); |
4472 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4473 | free_nfs_cb_data(data); | |
4474 | return -1; | |
4475 | } | |
4476 | return 0; | |
4477 | } | |
4478 | ||
4479 | int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
4480 | { | |
4481 | char *ptr; | |
4482 | struct nfs_symlink_data *symlink_data; | |
4483 | ||
4484 | symlink_data = malloc(sizeof(struct nfs_symlink_data)); | |
4485 | if (symlink_data == NULL) { | |
cbbf9d3e | 4486 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data"); |
84004dbf RS |
4487 | return -1; |
4488 | } | |
ea98629a | 4489 | memset(symlink_data, 0, sizeof(struct nfs_symlink_data)); |
84004dbf RS |
4490 | |
4491 | symlink_data->oldpath = strdup(oldpath); | |
4492 | if (symlink_data->oldpath == NULL) { | |
cbbf9d3e | 4493 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 4494 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 4495 | return -1; |
84004dbf RS |
4496 | } |
4497 | ||
4498 | symlink_data->newpathparent = strdup(newpath); | |
4499 | if (symlink_data->newpathparent == NULL) { | |
cbbf9d3e | 4500 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); |
84004dbf | 4501 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 4502 | return -1; |
84004dbf RS |
4503 | } |
4504 | ||
93e9306f | 4505 | ptr = strrchr(symlink_data->newpathparent, '/'); |
84004dbf | 4506 | if (ptr == NULL) { |
cbbf9d3e | 4507 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); |
84004dbf | 4508 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 4509 | return -1; |
84004dbf RS |
4510 | } |
4511 | *ptr = 0; | |
4512 | ptr++; | |
4513 | ||
4514 | symlink_data->newpathobject = strdup(ptr); | |
4515 | if (symlink_data->newpathobject == NULL) { | |
cbbf9d3e | 4516 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); |
84004dbf | 4517 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 4518 | return -1; |
84004dbf RS |
4519 | } |
4520 | ||
1d151991 | 4521 | if (nfs_lookuppath_async(nfs, symlink_data->newpathparent, 0, cb, private_data, nfs_symlink_continue_internal, symlink_data, free_nfs_symlink_data, 0) != 0) { |
cbbf9d3e RS |
4522 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
4523 | return -1; | |
84004dbf RS |
4524 | } |
4525 | ||
4526 | return 0; | |
4527 | } | |
4528 | ||
4529 | ||
4530 | ||
4531 | /* | |
4532 | * Async rename() | |
4533 | */ | |
4534 | struct nfs_rename_data { | |
4535 | char *oldpath; | |
4536 | char *oldobject; | |
4537 | struct nfs_fh3 olddir; | |
4538 | char *newpath; | |
4539 | char *newobject; | |
4540 | struct nfs_fh3 newdir; | |
4541 | }; | |
4542 | ||
4543 | static void free_nfs_rename_data(void *mem) | |
4544 | { | |
4545 | struct nfs_rename_data *data = mem; | |
4546 | ||
4547 | if (data->oldpath != NULL) { | |
4548 | free(data->oldpath); | |
4549 | } | |
4550 | if (data->olddir.data.data_val != NULL) { | |
4551 | free(data->olddir.data.data_val); | |
4552 | } | |
4553 | if (data->newpath != NULL) { | |
4554 | free(data->newpath); | |
4555 | } | |
4556 | if (data->newdir.data.data_val != NULL) { | |
4557 | free(data->newdir.data.data_val); | |
4558 | } | |
4559 | free(data); | |
4560 | } | |
4561 | ||
f3a75078 | 4562 | static void nfs_rename_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4563 | { |
4564 | RENAME3res *res; | |
4565 | struct nfs_cb_data *data = private_data; | |
4566 | struct nfs_context *nfs = data->nfs; | |
4567 | struct nfs_rename_data *rename_data = data->continue_data; | |
4b1ae88a | 4568 | |
f3a75078 RS |
4569 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4570 | ||
84004dbf RS |
4571 | if (status == RPC_STATUS_ERROR) { |
4572 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4573 | free_nfs_cb_data(data); | |
4574 | return; | |
4575 | } | |
4576 | if (status == RPC_STATUS_CANCEL) { | |
4577 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4578 | free_nfs_cb_data(data); | |
4579 | return; | |
4580 | } | |
4581 | ||
4582 | res = command_data; | |
4583 | if (res->status != NFS3_OK) { | |
4584 | 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)); | |
4585 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4586 | free_nfs_cb_data(data); | |
4587 | return; | |
4588 | } | |
4589 | ||
4590 | data->cb(0, nfs, NULL, data->private_data); | |
4591 | free_nfs_cb_data(data); | |
4592 | } | |
4593 | ||
20379f03 | 4594 | static int nfs_rename_continue_2_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4595 | { |
4596 | struct nfs_rename_data *rename_data = data->continue_data; | |
5940c705 | 4597 | RENAME3args args; |
84004dbf RS |
4598 | |
4599 | /* steal the filehandle */ | |
2452c57f | 4600 | rename_data->newdir = data->fh; |
84004dbf RS |
4601 | data->fh.data.data_val = NULL; |
4602 | ||
5940c705 RS |
4603 | args.from.dir = rename_data->olddir; |
4604 | args.from.name = rename_data->oldobject; | |
4605 | args.to.dir = rename_data->newdir; | |
4606 | args.to.name = rename_data->newobject; | |
4607 | if (rpc_nfs3_rename_async(nfs->rpc, nfs_rename_cb, &args, data) != 0) { | |
84004dbf RS |
4608 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path); |
4609 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4610 | free_nfs_cb_data(data); | |
4611 | return -1; | |
4612 | } | |
4613 | return 0; | |
4614 | } | |
4615 | ||
4616 | ||
20379f03 | 4617 | static int nfs_rename_continue_1_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4618 | { |
4619 | struct nfs_rename_data *rename_data = data->continue_data; | |
766bb4af AR |
4620 | char* newpath = strdup(rename_data->newpath); |
4621 | if (!newpath) { | |
4622 | rpc_set_error(nfs->rpc, "Out of memory. Could not allocate memory to store target path for rename"); | |
4623 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4624 | free_nfs_cb_data(data); | |
4625 | return -1; | |
4626 | } | |
84004dbf RS |
4627 | |
4628 | /* steal the filehandle */ | |
2452c57f | 4629 | rename_data->olddir = data->fh; |
84004dbf RS |
4630 | data->fh.data.data_val = NULL; |
4631 | ||
1d151991 | 4632 | if (nfs_lookuppath_async(nfs, rename_data->newpath, 0, data->cb, data->private_data, nfs_rename_continue_2_internal, rename_data, free_nfs_rename_data, 0) != 0) { |
766bb4af | 4633 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", newpath); |
84004dbf RS |
4634 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
4635 | free_nfs_cb_data(data); | |
766bb4af | 4636 | free(newpath); |
84004dbf RS |
4637 | return -1; |
4638 | } | |
4639 | data->continue_data = NULL; | |
4640 | free_nfs_cb_data(data); | |
766bb4af | 4641 | free(newpath); |
84004dbf RS |
4642 | |
4643 | return 0; | |
4644 | } | |
4645 | ||
4646 | ||
4647 | int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
4648 | { | |
4649 | char *ptr; | |
4650 | struct nfs_rename_data *rename_data; | |
4651 | ||
4652 | rename_data = malloc(sizeof(struct nfs_rename_data)); | |
4653 | if (rename_data == NULL) { | |
cbbf9d3e | 4654 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data"); |
84004dbf RS |
4655 | return -1; |
4656 | } | |
ea98629a | 4657 | memset(rename_data, 0, sizeof(struct nfs_rename_data)); |
84004dbf RS |
4658 | |
4659 | rename_data->oldpath = strdup(oldpath); | |
4660 | if (rename_data->oldpath == NULL) { | |
cbbf9d3e | 4661 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 4662 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 4663 | return -1; |
84004dbf | 4664 | } |
93e9306f | 4665 | ptr = strrchr(rename_data->oldpath, '/'); |
84004dbf | 4666 | if (ptr == NULL) { |
cbbf9d3e | 4667 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); |
84004dbf | 4668 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 4669 | return -1; |
84004dbf RS |
4670 | } |
4671 | *ptr = 0; | |
4672 | ptr++; | |
4673 | rename_data->oldobject = ptr; | |
4674 | ||
4675 | ||
4676 | rename_data->newpath = strdup(newpath); | |
4677 | if (rename_data->newpath == NULL) { | |
cbbf9d3e | 4678 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); |
84004dbf | 4679 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 4680 | return -1; |
84004dbf | 4681 | } |
93e9306f | 4682 | ptr = strrchr(rename_data->newpath, '/'); |
84004dbf | 4683 | if (ptr == NULL) { |
cbbf9d3e | 4684 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); |
84004dbf | 4685 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 4686 | return -1; |
84004dbf RS |
4687 | } |
4688 | *ptr = 0; | |
4689 | ptr++; | |
4690 | rename_data->newobject = ptr; | |
4691 | ||
4692 | ||
1d151991 | 4693 | if (nfs_lookuppath_async(nfs, rename_data->oldpath, 0, cb, private_data, nfs_rename_continue_1_internal, rename_data, free_nfs_rename_data, 0) != 0) { |
cbbf9d3e RS |
4694 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
4695 | return -1; | |
84004dbf RS |
4696 | } |
4697 | ||
4698 | return 0; | |
4699 | } | |
4700 | ||
4701 | ||
4702 | /* | |
4703 | * Async link() | |
4704 | */ | |
4705 | struct nfs_link_data { | |
4706 | char *oldpath; | |
4707 | struct nfs_fh3 oldfh; | |
4708 | char *newpath; | |
4709 | char *newobject; | |
4710 | struct nfs_fh3 newdir; | |
4711 | }; | |
4712 | ||
4713 | static void free_nfs_link_data(void *mem) | |
4714 | { | |
4715 | struct nfs_link_data *data = mem; | |
4716 | ||
4717 | if (data->oldpath != NULL) { | |
4718 | free(data->oldpath); | |
4719 | } | |
4720 | if (data->oldfh.data.data_val != NULL) { | |
4721 | free(data->oldfh.data.data_val); | |
4722 | } | |
4723 | if (data->newpath != NULL) { | |
4724 | free(data->newpath); | |
4725 | } | |
4726 | if (data->newdir.data.data_val != NULL) { | |
4727 | free(data->newdir.data.data_val); | |
4728 | } | |
4729 | free(data); | |
4730 | } | |
4731 | ||
f3a75078 | 4732 | static void nfs_link_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4733 | { |
4734 | LINK3res *res; | |
4735 | struct nfs_cb_data *data = private_data; | |
4736 | struct nfs_context *nfs = data->nfs; | |
4737 | struct nfs_link_data *link_data = data->continue_data; | |
4b1ae88a | 4738 | |
f3a75078 RS |
4739 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4740 | ||
84004dbf RS |
4741 | if (status == RPC_STATUS_ERROR) { |
4742 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4743 | free_nfs_cb_data(data); | |
4744 | return; | |
4745 | } | |
4746 | if (status == RPC_STATUS_CANCEL) { | |
4747 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4748 | free_nfs_cb_data(data); | |
4749 | return; | |
4750 | } | |
4751 | ||
4752 | res = command_data; | |
4753 | if (res->status != NFS3_OK) { | |
4754 | 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)); | |
4755 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4756 | free_nfs_cb_data(data); | |
4757 | return; | |
4758 | } | |
4759 | ||
4760 | data->cb(0, nfs, NULL, data->private_data); | |
4761 | free_nfs_cb_data(data); | |
4762 | } | |
4763 | ||
20379f03 | 4764 | static int nfs_link_continue_2_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4765 | { |
4766 | struct nfs_link_data *link_data = data->continue_data; | |
560f9434 | 4767 | LINK3args args; |
84004dbf RS |
4768 | |
4769 | /* steal the filehandle */ | |
2452c57f | 4770 | link_data->newdir = data->fh; |
84004dbf RS |
4771 | data->fh.data.data_val = NULL; |
4772 | ||
560f9434 RS |
4773 | memset(&args, 0, sizeof(LINK3args)); |
4774 | args.file = link_data->oldfh; | |
4775 | args.link.dir = link_data->newdir; | |
4776 | args.link.name = link_data->newobject; | |
4777 | if (rpc_nfs3_link_async(nfs->rpc, nfs_link_cb, &args, data) != 0) { | |
84004dbf RS |
4778 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path); |
4779 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4780 | free_nfs_cb_data(data); | |
4781 | return -1; | |
4782 | } | |
4783 | return 0; | |
4784 | } | |
4785 | ||
4786 | ||
20379f03 | 4787 | static int nfs_link_continue_1_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4788 | { |
4789 | struct nfs_link_data *link_data = data->continue_data; | |
4790 | ||
4791 | /* steal the filehandle */ | |
2452c57f | 4792 | link_data->oldfh = data->fh; |
84004dbf RS |
4793 | data->fh.data.data_val = NULL; |
4794 | ||
1d151991 | 4795 | if (nfs_lookuppath_async(nfs, link_data->newpath, 0, data->cb, data->private_data, nfs_link_continue_2_internal, link_data, free_nfs_link_data, 0) != 0) { |
84004dbf RS |
4796 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath); |
4797 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4798 | free_nfs_cb_data(data); | |
4799 | return -1; | |
4800 | } | |
4801 | data->continue_data = NULL; | |
4802 | free_nfs_cb_data(data); | |
4803 | ||
4804 | return 0; | |
4805 | } | |
4806 | ||
4807 | ||
4808 | int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
4809 | { | |
4810 | char *ptr; | |
4811 | struct nfs_link_data *link_data; | |
4812 | ||
4813 | link_data = malloc(sizeof(struct nfs_link_data)); | |
4814 | if (link_data == NULL) { | |
cbbf9d3e | 4815 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data"); |
84004dbf RS |
4816 | return -1; |
4817 | } | |
ea98629a | 4818 | memset(link_data, 0, sizeof(struct nfs_link_data)); |
84004dbf RS |
4819 | |
4820 | link_data->oldpath = strdup(oldpath); | |
4821 | if (link_data->oldpath == NULL) { | |
cbbf9d3e | 4822 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 4823 | free_nfs_link_data(link_data); |
cbbf9d3e | 4824 | return -1; |
84004dbf RS |
4825 | } |
4826 | ||
4827 | link_data->newpath = strdup(newpath); | |
4828 | if (link_data->newpath == NULL) { | |
cbbf9d3e | 4829 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); |
84004dbf | 4830 | free_nfs_link_data(link_data); |
cbbf9d3e | 4831 | return -1; |
84004dbf | 4832 | } |
93e9306f | 4833 | ptr = strrchr(link_data->newpath, '/'); |
84004dbf | 4834 | if (ptr == NULL) { |
cbbf9d3e | 4835 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); |
84004dbf | 4836 | free_nfs_link_data(link_data); |
cbbf9d3e | 4837 | return -1; |
84004dbf RS |
4838 | } |
4839 | *ptr = 0; | |
4840 | ptr++; | |
4841 | link_data->newobject = ptr; | |
4842 | ||
4843 | ||
1d151991 | 4844 | if (nfs_lookuppath_async(nfs, link_data->oldpath, 0, cb, private_data, nfs_link_continue_1_internal, link_data, free_nfs_link_data, 0) != 0) { |
cbbf9d3e RS |
4845 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
4846 | return -1; | |
84004dbf RS |
4847 | } |
4848 | ||
4849 | return 0; | |
4850 | } | |
4851 | ||
4852 | ||
4853 | //qqq replace later with lseek() | |
183451cf | 4854 | uint64_t nfs_get_current_offset(struct nfsfh *nfsfh) |
84004dbf RS |
4855 | { |
4856 | return nfsfh->offset; | |
4857 | } | |
4858 | ||
17ef62fa RS |
4859 | |
4860 | ||
4861 | /* | |
4862 | * Get the maximum supported READ3 size by the server | |
4863 | */ | |
183451cf | 4864 | uint64_t nfs_get_readmax(struct nfs_context *nfs) |
17ef62fa RS |
4865 | { |
4866 | return nfs->readmax; | |
4867 | } | |
4868 | ||
4869 | /* | |
4870 | * Get the maximum supported WRITE3 size by the server | |
4871 | */ | |
183451cf | 4872 | uint64_t nfs_get_writemax(struct nfs_context *nfs) |
17ef62fa | 4873 | { |
e7f3a781 | 4874 | return nfs->writemax; |
17ef62fa | 4875 | } |
1896d37b | 4876 | |
d43a8953 PL |
4877 | void nfs_set_tcp_syncnt(struct nfs_context *nfs, int v) { |
4878 | rpc_set_tcp_syncnt(nfs->rpc, v); | |
4879 | } | |
4880 | ||
4881 | void nfs_set_uid(struct nfs_context *nfs, int uid) { | |
4882 | rpc_set_uid(nfs->rpc, uid); | |
4883 | } | |
4884 | ||
4885 | void nfs_set_gid(struct nfs_context *nfs, int gid) { | |
4886 | rpc_set_gid(nfs->rpc, gid); | |
4887 | } | |
4888 | ||
3ca2aac9 PL |
4889 | void nfs_set_readahead(struct nfs_context *nfs, uint32_t v) { |
4890 | rpc_set_readahead(nfs->rpc, v); | |
4891 | } | |
4892 | ||
1896d37b RS |
4893 | void nfs_set_error(struct nfs_context *nfs, char *error_string, ...) |
4894 | { | |
4895 | va_list ap; | |
1e8994af | 4896 | char *str = NULL; |
1896d37b | 4897 | |
1e8994af | 4898 | va_start(ap, error_string); |
2606f9bb RS |
4899 | str = malloc(1024); |
4900 | vsnprintf(str, 1024, error_string, ap); | |
1896d37b RS |
4901 | if (nfs->rpc->error_string != NULL) { |
4902 | free(nfs->rpc->error_string); | |
4903 | } | |
1896d37b | 4904 | nfs->rpc->error_string = str; |
f893b680 | 4905 | va_end(ap); |
1896d37b | 4906 | } |
7f0242ca RS |
4907 | |
4908 | ||
4909 | ||
4910 | struct mount_cb_data { | |
4911 | rpc_cb cb; | |
4912 | void *private_data; | |
4913 | char *server; | |
4914 | }; | |
4915 | ||
4916 | static void free_mount_cb_data(struct mount_cb_data *data) | |
4917 | { | |
4918 | if (data->server != NULL) { | |
4919 | free(data->server); | |
4920 | data->server = NULL; | |
4921 | } | |
4922 | ||
4923 | free(data); | |
4924 | } | |
4925 | ||
4926 | static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
4927 | { | |
4928 | struct mount_cb_data *data = private_data; | |
4929 | ||
f3a75078 RS |
4930 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4931 | ||
4932 | if (status == RPC_STATUS_ERROR) { | |
7f0242ca RS |
4933 | data->cb(rpc, -EFAULT, command_data, data->private_data); |
4934 | free_mount_cb_data(data); | |
4935 | return; | |
4936 | } | |
4937 | if (status == RPC_STATUS_CANCEL) { | |
4938 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
4939 | free_mount_cb_data(data); | |
4940 | return; | |
4941 | } | |
4942 | ||
4943 | data->cb(rpc, 0, command_data, data->private_data); | |
4944 | if (rpc_disconnect(rpc, "normal disconnect") != 0) { | |
4945 | rpc_set_error(rpc, "Failed to disconnect\n"); | |
4946 | } | |
4947 | free_mount_cb_data(data); | |
4948 | } | |
4949 | ||
4950 | static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
4951 | { | |
4952 | struct mount_cb_data *data = private_data; | |
4953 | ||
f3a75078 RS |
4954 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4955 | ||
14a062eb RS |
4956 | /* Dont want any more callbacks even if the socket is closed */ |
4957 | rpc->connect_cb = NULL; | |
4958 | ||
4b1ae88a | 4959 | if (status == RPC_STATUS_ERROR) { |
7f0242ca RS |
4960 | data->cb(rpc, -EFAULT, command_data, data->private_data); |
4961 | free_mount_cb_data(data); | |
4962 | return; | |
4963 | } | |
4964 | if (status == RPC_STATUS_CANCEL) { | |
4965 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
4966 | free_mount_cb_data(data); | |
4967 | return; | |
4968 | } | |
4969 | ||
eda77ec3 | 4970 | if (rpc_mount3_export_async(rpc, mount_export_5_cb, data) != 0) { |
7f0242ca RS |
4971 | data->cb(rpc, -ENOMEM, command_data, data->private_data); |
4972 | free_mount_cb_data(data); | |
4973 | return; | |
4974 | } | |
4975 | } | |
4976 | ||
7f0242ca RS |
4977 | int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data) |
4978 | { | |
4979 | struct mount_cb_data *data; | |
4980 | ||
f3a75078 RS |
4981 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4982 | ||
7f0242ca RS |
4983 | data = malloc(sizeof(struct mount_cb_data)); |
4984 | if (data == NULL) { | |
4985 | return -1; | |
4986 | } | |
ea98629a | 4987 | memset(data, 0, sizeof(struct mount_cb_data)); |
7f0242ca RS |
4988 | data->cb = cb; |
4989 | data->private_data = private_data; | |
4990 | data->server = strdup(server); | |
4991 | if (data->server == NULL) { | |
4992 | free_mount_cb_data(data); | |
4993 | return -1; | |
4b1ae88a | 4994 | } |
2a32a899 RS |
4995 | if (rpc_connect_program_async(rpc, data->server, MOUNT_PROGRAM, MOUNT_V3, mount_export_4_cb, data) != 0) { |
4996 | rpc_set_error(rpc, "Failed to start connection"); | |
7f0242ca RS |
4997 | free_mount_cb_data(data); |
4998 | return -1; | |
4999 | } | |
5000 | ||
5001 | return 0; | |
5002 | } | |
5003 | ||
df5af25f RS |
5004 | struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs) |
5005 | { | |
f3a75078 | 5006 | assert(nfs->rpc->magic == RPC_CONTEXT_MAGIC); |
df5af25f RS |
5007 | return nfs->rpc; |
5008 | } | |
5009 | ||
b077fdeb RS |
5010 | const char *nfs_get_server(struct nfs_context *nfs) { |
5011 | return nfs->server; | |
5012 | } | |
5013 | ||
5014 | const char *nfs_get_export(struct nfs_context *nfs) { | |
5015 | return nfs->export; | |
5016 | } | |
0ad9a1f1 | 5017 | |
8724c833 RS |
5018 | const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) { |
5019 | return &nfs->rootfh; | |
5020 | } | |
fa3c25be RS |
5021 | |
5022 | struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) { | |
5023 | return &nfsfh->fh; | |
5024 | } |