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; | |
9cac8a63 RL |
1811 | int cb_err; |
1812 | void *cb_data; | |
921f877b | 1813 | |
f3a75078 RS |
1814 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1815 | ||
921f877b RS |
1816 | data->num_calls--; |
1817 | ||
1818 | if (status == RPC_STATUS_ERROR) { | |
1819 | /* flag the failure but do not invoke callback until we have received all responses */ | |
1820 | data->error = 1; | |
1821 | } | |
1822 | if (status == RPC_STATUS_CANCEL) { | |
1823 | /* flag the cancellation but do not invoke callback until we have received all responses */ | |
1824 | data->cancel = 1; | |
1825 | } | |
1826 | ||
921f877b RS |
1827 | if (status == RPC_STATUS_SUCCESS) { |
1828 | res = command_data; | |
1829 | if (res->status != NFS3_OK) { | |
1830 | rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1831 | data->error = 1; | |
567a94d9 AR |
1832 | } else { |
1833 | uint64_t count = res->READ3res_u.resok.count; | |
1834 | ||
1835 | if (mdata->update_pos) | |
1836 | data->nfsfh->offset += count; | |
1837 | ||
1eb4be31 | 1838 | /* if we have more than one call or we have received a short read we need a reassembly buffer */ |
567a94d9 | 1839 | if (data->num_calls || (count < mdata->count && !res->READ3res_u.resok.eof)) { |
1eb4be31 | 1840 | if (data->buffer == NULL) { |
3ca2aac9 | 1841 | data->buffer = malloc(data->count); |
1eb4be31 | 1842 | if (data->buffer == NULL) { |
3ca2aac9 | 1843 | rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)data->count); |
1eb4be31 PL |
1844 | data->oom = 1; |
1845 | } | |
1846 | } | |
1847 | } | |
567a94d9 AR |
1848 | if (count > 0) { |
1849 | if (count <= mdata->count) { | |
1eb4be31 PL |
1850 | /* copy data into reassembly buffer if we have one */ |
1851 | if (data->buffer != NULL) { | |
3ca2aac9 | 1852 | memcpy(&data->buffer[mdata->offset - data->offset], res->READ3res_u.resok.data.data_val, count); |
1eb4be31 | 1853 | } |
567a94d9 AR |
1854 | if (data->max_offset < mdata->offset + count) { |
1855 | data->max_offset = mdata->offset + count; | |
4d2f9f11 PL |
1856 | } |
1857 | } else { | |
1858 | rpc_set_error(nfs->rpc, "NFS: Read overflow. Server has sent more data than requested!"); | |
1859 | data->error = 1; | |
e4a5ba42 | 1860 | } |
921f877b | 1861 | } |
1eb4be31 | 1862 | /* check if we have received a short read */ |
567a94d9 AR |
1863 | if (count < mdata->count && !res->READ3res_u.resok.eof) { |
1864 | if (count == 0) { | |
1eb4be31 PL |
1865 | rpc_set_error(nfs->rpc, "NFS: Read failed. No bytes read and not at EOF!"); |
1866 | data->error = 1; | |
1867 | } else { | |
1868 | /* reissue reminder of this read request */ | |
1869 | READ3args args; | |
567a94d9 AR |
1870 | mdata->offset += count; |
1871 | mdata->count -= count; | |
1eb4be31 PL |
1872 | nfs_fill_READ3args(&args, data->nfsfh, mdata->offset, mdata->count); |
1873 | if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) == 0) { | |
1874 | data->num_calls++; | |
1875 | return; | |
1876 | } else { | |
1877 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); | |
ae8168b3 | 1878 | data->oom = 1; |
1eb4be31 PL |
1879 | } |
1880 | } | |
1881 | } | |
921f877b RS |
1882 | } |
1883 | } | |
1884 | ||
1eb4be31 PL |
1885 | free(mdata); |
1886 | ||
921f877b RS |
1887 | if (data->num_calls > 0) { |
1888 | /* still waiting for more replies */ | |
921f877b RS |
1889 | return; |
1890 | } | |
1eb4be31 PL |
1891 | if (data->oom != 0) { |
1892 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
1893 | free_nfs_cb_data(data); | |
1894 | return; | |
1895 | } | |
921f877b RS |
1896 | if (data->error != 0) { |
1897 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1898 | free_nfs_cb_data(data); | |
921f877b RS |
1899 | return; |
1900 | } | |
1901 | if (data->cancel != 0) { | |
1902 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1903 | free_nfs_cb_data(data); | |
921f877b RS |
1904 | return; |
1905 | } | |
1906 | ||
1eb4be31 | 1907 | if (data->buffer) { |
3ca2aac9 PL |
1908 | if (data->max_offset > data->org_offset + data->org_count) { |
1909 | data->max_offset = data->org_offset + data->org_count; | |
1910 | } | |
9cac8a63 RL |
1911 | cb_err = data->max_offset - data->org_offset; |
1912 | cb_data = data->buffer + (data->org_offset - data->offset); | |
1eb4be31 | 1913 | } else { |
9cac8a63 RL |
1914 | cb_err = res->READ3res_u.resok.count; |
1915 | cb_data = res->READ3res_u.resok.data.data_val; | |
1eb4be31 | 1916 | } |
7ed9d87a | 1917 | |
3ca2aac9 PL |
1918 | data->nfsfh->ra.fh_offset = data->max_offset; |
1919 | if (data->nfsfh->ra.cur_ra) { | |
1920 | free(data->nfsfh->ra.buf); | |
1921 | data->nfsfh->ra.buf = data->buffer; | |
1922 | data->nfsfh->ra.buf_offset = data->offset; | |
1923 | data->nfsfh->ra.buf_count = data->count; | |
1924 | data->nfsfh->ra.buf_ts = time(NULL); | |
1925 | data->buffer = NULL; | |
1926 | } | |
9cac8a63 RL |
1927 | |
1928 | data->cb(cb_err, nfs, cb_data, data->private_data); | |
921f877b | 1929 | free_nfs_cb_data(data); |
921f877b RS |
1930 | } |
1931 | ||
3ca2aac9 PL |
1932 | static void nfs_ra_invalidate(struct nfsfh *nfsfh) { |
1933 | free(nfsfh->ra.buf); | |
1934 | nfsfh->ra.buf = NULL; | |
1935 | nfsfh->ra.buf_offset = 0; | |
1936 | nfsfh->ra.buf_count = 0; | |
1937 | nfsfh->ra.buf_ts = time(NULL); | |
1938 | nfsfh->ra.cur_ra = NFS_BLKSIZE; | |
1939 | } | |
1940 | ||
567a94d9 | 1941 | 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 |
1942 | { |
1943 | struct nfs_cb_data *data; | |
1944 | ||
1945 | data = malloc(sizeof(struct nfs_cb_data)); | |
1946 | if (data == NULL) { | |
1947 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1948 | return -1; |
1949 | } | |
ea98629a | 1950 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
1951 | data->nfs = nfs; |
1952 | data->cb = cb; | |
1953 | data->private_data = private_data; | |
1954 | data->nfsfh = nfsfh; | |
3ca2aac9 PL |
1955 | data->org_offset = offset; |
1956 | data->org_count = count; | |
84004dbf | 1957 | |
c8f0bac1 AR |
1958 | assert(data->num_calls == 0); |
1959 | ||
3ca2aac9 PL |
1960 | if (nfs->rpc->readahead && time(NULL) - nfsfh->ra.buf_ts > NFS_RA_TIMEOUT) { |
1961 | /* readahead cache timeout */ | |
1962 | nfs_ra_invalidate(nfsfh); | |
1963 | } | |
1964 | ||
1965 | if (nfs->rpc->readahead) { | |
1966 | if (offset >= nfsfh->ra.last_offset && | |
1967 | offset - NFS_BLKSIZE <= nfsfh->ra.fh_offset + nfsfh->ra.cur_ra) { | |
1968 | if (nfs->rpc->readahead > nfsfh->ra.cur_ra) { | |
1969 | nfsfh->ra.cur_ra <<= 1; | |
1970 | } | |
1971 | } else { | |
1972 | nfsfh->ra.cur_ra = NFS_BLKSIZE; | |
1973 | } | |
1974 | ||
1975 | nfsfh->ra.last_offset = offset; | |
1976 | ||
1977 | if (nfsfh->ra.buf_offset <= offset && | |
1978 | nfsfh->ra.buf_offset + nfsfh->ra.buf_count >= offset + count) { | |
1979 | /* serve request completely from cache */ | |
1980 | data->buffer = malloc(count); | |
1981 | if (data->buffer == NULL) { | |
1982 | free_nfs_cb_data(data); | |
1983 | return -ENOMEM; | |
1984 | } | |
1985 | memcpy(data->buffer, nfsfh->ra.buf + (offset - nfsfh->ra.buf_offset), count); | |
1986 | data->cb(count, nfs, data->buffer, data->private_data); | |
1987 | nfsfh->ra.fh_offset = offset + count; | |
1988 | free_nfs_cb_data(data); | |
1989 | return 0; | |
1990 | } | |
1991 | ||
1992 | /* align start offset to blocksize */ | |
1993 | count += offset & (NFS_BLKSIZE - 1); | |
1994 | offset &= ~(NFS_BLKSIZE - 1); | |
1995 | ||
1996 | /* align end offset to blocksize and add readahead */ | |
1997 | count += nfsfh->ra.cur_ra - 1; | |
1998 | count &= ~(NFS_BLKSIZE - 1); | |
1999 | ||
2000 | data->buffer = malloc(count); | |
2001 | if (data->buffer == NULL) { | |
2002 | free_nfs_cb_data(data); | |
2003 | return -ENOMEM; | |
2004 | } | |
2005 | data->offset = offset; | |
2006 | data->count = count; | |
2007 | ||
2008 | if (nfsfh->ra.buf_count && nfsfh->ra.buf_offset <= offset && | |
2009 | nfsfh->ra.buf_offset + nfsfh->ra.buf_count >= offset) { | |
2010 | /* serve request partially from cache */ | |
2011 | size_t overlap = (nfsfh->ra.buf_offset + nfsfh->ra.buf_count) - offset; | |
2012 | if (overlap > count) count = overlap; | |
2013 | memcpy(data->buffer, nfsfh->ra.buf + (offset - nfsfh->ra.buf_offset), overlap); | |
2014 | offset += overlap; | |
2015 | count -= overlap; | |
2016 | } | |
2017 | } else { | |
2018 | data->offset = offset; | |
2019 | data->count = count; | |
2020 | } | |
2021 | ||
2022 | data->max_offset = offset; | |
2023 | ||
40a4373a | 2024 | /* chop requests into chunks of at most READMAX bytes if necessary. |
cd67ec7d | 2025 | * we send all reads in parallel so that performance is still good. |
921f877b | 2026 | */ |
1eb4be31 | 2027 | do { |
183451cf | 2028 | uint64_t readcount = count; |
921f877b | 2029 | struct nfs_mcb_data *mdata; |
463d59bf | 2030 | READ3args args; |
921f877b RS |
2031 | |
2032 | if (readcount > nfs_get_readmax(nfs)) { | |
2033 | readcount = nfs_get_readmax(nfs); | |
2034 | } | |
2035 | ||
2036 | mdata = malloc(sizeof(struct nfs_mcb_data)); | |
2037 | if (mdata == NULL) { | |
2038 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure"); | |
ae8168b3 | 2039 | if (data->num_calls == 0) { |
c8f0bac1 | 2040 | free_nfs_cb_data(data); |
ae8168b3 PL |
2041 | return -1; |
2042 | } | |
2043 | data->oom = 1; | |
40a4373a | 2044 | break; |
921f877b | 2045 | } |
ea98629a | 2046 | memset(mdata, 0, sizeof(struct nfs_mcb_data)); |
921f877b RS |
2047 | mdata->data = data; |
2048 | mdata->offset = offset; | |
2049 | mdata->count = readcount; | |
567a94d9 | 2050 | mdata->update_pos = update_pos; |
463d59bf | 2051 | |
2449d3f7 | 2052 | nfs_fill_READ3args(&args, nfsfh, offset, readcount); |
463d59bf RS |
2053 | |
2054 | if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) != 0) { | |
921f877b | 2055 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); |
921f877b | 2056 | free(mdata); |
ae8168b3 | 2057 | if (data->num_calls == 0) { |
c8f0bac1 | 2058 | free_nfs_cb_data(data); |
ae8168b3 PL |
2059 | return -1; |
2060 | } | |
2061 | data->oom = 1; | |
40a4373a | 2062 | break; |
921f877b RS |
2063 | } |
2064 | ||
2065 | count -= readcount; | |
2066 | offset += readcount; | |
2067 | data->num_calls++; | |
1eb4be31 | 2068 | } while (count > 0); |
921f877b RS |
2069 | |
2070 | return 0; | |
84004dbf RS |
2071 | } |
2072 | ||
567a94d9 AR |
2073 | int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, nfs_cb cb, void *private_data) |
2074 | { | |
2075 | return nfs_pread_async_internal(nfs, nfsfh, offset, count, cb, private_data, 0); | |
2076 | } | |
2077 | ||
84004dbf RS |
2078 | /* |
2079 | * Async read() | |
2080 | */ | |
183451cf | 2081 | int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, nfs_cb cb, void *private_data) |
84004dbf | 2082 | { |
567a94d9 | 2083 | return nfs_pread_async_internal(nfs, nfsfh, nfsfh->offset, count, cb, private_data, 1); |
84004dbf RS |
2084 | } |
2085 | ||
2086 | ||
2087 | ||
2088 | /* | |
2089 | * Async pwrite() | |
2090 | */ | |
2449d3f7 PL |
2091 | static void nfs_fill_WRITE3args (WRITE3args *args, struct nfsfh *fh, uint64_t offset, uint64_t count, |
2092 | void *buf) | |
2093 | { | |
2094 | memset(args, 0, sizeof(WRITE3args)); | |
2095 | args->file = fh->fh; | |
2096 | args->offset = offset; | |
2097 | args->count = count; | |
548e2bea | 2098 | args->stable = fh->is_sync ? FILE_SYNC : UNSTABLE; |
2449d3f7 PL |
2099 | args->data.data_len = count; |
2100 | args->data.data_val = buf; | |
2101 | } | |
2102 | ||
f3a75078 | 2103 | static void nfs_pwrite_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
18c27b73 RS |
2104 | { |
2105 | struct nfs_mcb_data *mdata = private_data; | |
2106 | struct nfs_cb_data *data = mdata->data; | |
2107 | struct nfs_context *nfs = data->nfs; | |
2108 | WRITE3res *res; | |
2109 | ||
f3a75078 RS |
2110 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2111 | ||
18c27b73 RS |
2112 | data->num_calls--; |
2113 | ||
2114 | if (status == RPC_STATUS_ERROR) { | |
2115 | /* flag the failure but do not invoke callback until we have received all responses */ | |
2116 | data->error = 1; | |
2117 | } | |
2118 | if (status == RPC_STATUS_CANCEL) { | |
2119 | /* flag the cancellation but do not invoke callback until we have received all responses */ | |
2120 | data->cancel = 1; | |
2121 | } | |
2122 | ||
2123 | if (status == RPC_STATUS_SUCCESS) { | |
2124 | res = command_data; | |
2125 | if (res->status != NFS3_OK) { | |
2126 | rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2127 | data->error = 1; | |
2128 | } else { | |
567a94d9 AR |
2129 | uint64_t count = res->WRITE3res_u.resok.count; |
2130 | ||
2131 | if (mdata->update_pos) | |
2132 | data->nfsfh->offset += count; | |
2133 | ||
2134 | if (count < mdata->count) { | |
2135 | if (count == 0) { | |
027a767e PL |
2136 | rpc_set_error(nfs->rpc, "NFS: Write failed. No bytes written!"); |
2137 | data->error = 1; | |
2138 | } else { | |
2139 | /* reissue reminder of this write request */ | |
2140 | WRITE3args args; | |
567a94d9 AR |
2141 | mdata->offset += count; |
2142 | mdata->count -= count; | |
2143 | ||
027a767e | 2144 | nfs_fill_WRITE3args(&args, data->nfsfh, mdata->offset, mdata->count, |
3ca2aac9 | 2145 | &data->usrbuf[mdata->offset - data->offset]); |
027a767e PL |
2146 | if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) == 0) { |
2147 | data->num_calls++; | |
2148 | return; | |
2149 | } else { | |
2150 | rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path); | |
ae8168b3 | 2151 | data->oom = 1; |
027a767e PL |
2152 | } |
2153 | } | |
2154 | } | |
567a94d9 AR |
2155 | if (count > 0) { |
2156 | if (data->max_offset < mdata->offset + count) { | |
2157 | data->max_offset = mdata->offset + count; | |
18c27b73 RS |
2158 | } |
2159 | } | |
2160 | } | |
2161 | } | |
2162 | ||
027a767e PL |
2163 | free(mdata); |
2164 | ||
18c27b73 RS |
2165 | if (data->num_calls > 0) { |
2166 | /* still waiting for more replies */ | |
18c27b73 RS |
2167 | return; |
2168 | } | |
ae8168b3 PL |
2169 | if (data->oom != 0) { |
2170 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
2171 | free_nfs_cb_data(data); | |
2172 | return; | |
2173 | } | |
18c27b73 RS |
2174 | if (data->error != 0) { |
2175 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2176 | free_nfs_cb_data(data); | |
18c27b73 RS |
2177 | return; |
2178 | } | |
2179 | if (data->cancel != 0) { | |
2180 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2181 | free_nfs_cb_data(data); | |
18c27b73 RS |
2182 | return; |
2183 | } | |
2184 | ||
3ca2aac9 | 2185 | data->cb(data->max_offset - data->offset, nfs, NULL, data->private_data); |
18c27b73 RS |
2186 | |
2187 | free_nfs_cb_data(data); | |
18c27b73 RS |
2188 | } |
2189 | ||
2190 | ||
567a94d9 | 2191 | 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 |
2192 | { |
2193 | struct nfs_cb_data *data; | |
2194 | ||
2195 | data = malloc(sizeof(struct nfs_cb_data)); | |
2196 | if (data == NULL) { | |
2197 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
2198 | return -1; |
2199 | } | |
ea98629a | 2200 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2201 | data->nfs = nfs; |
2202 | data->cb = cb; | |
2203 | data->private_data = private_data; | |
2204 | data->nfsfh = nfsfh; | |
027a767e | 2205 | data->usrbuf = buf; |
84004dbf | 2206 | |
63d4a058 | 2207 | /* hello, clang-analyzer */ |
63d4a058 AR |
2208 | assert(data->num_calls == 0); |
2209 | ||
40a4373a | 2210 | /* chop requests into chunks of at most WRITEMAX bytes if necessary. |
cd67ec7d | 2211 | * we send all writes in parallel so that performance is still good. |
18c27b73 RS |
2212 | */ |
2213 | data->max_offset = offset; | |
3ca2aac9 | 2214 | data->offset = offset; |
18c27b73 | 2215 | |
027a767e | 2216 | do { |
183451cf | 2217 | uint64_t writecount = count; |
18c27b73 | 2218 | struct nfs_mcb_data *mdata; |
463d59bf | 2219 | WRITE3args args; |
18c27b73 RS |
2220 | |
2221 | if (writecount > nfs_get_writemax(nfs)) { | |
2222 | writecount = nfs_get_writemax(nfs); | |
2223 | } | |
2224 | ||
2225 | mdata = malloc(sizeof(struct nfs_mcb_data)); | |
2226 | if (mdata == NULL) { | |
2227 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure"); | |
ae8168b3 | 2228 | if (data->num_calls == 0) { |
63d4a058 | 2229 | free_nfs_cb_data(data); |
ae8168b3 PL |
2230 | return -1; |
2231 | } | |
2232 | data->oom = 1; | |
40a4373a | 2233 | break; |
18c27b73 RS |
2234 | } |
2235 | memset(mdata, 0, sizeof(struct nfs_mcb_data)); | |
2236 | mdata->data = data; | |
2237 | mdata->offset = offset; | |
2238 | mdata->count = writecount; | |
567a94d9 | 2239 | mdata->update_pos = update_pos; |
18c27b73 | 2240 | |
3ca2aac9 | 2241 | nfs_fill_WRITE3args(&args, nfsfh, offset, writecount, &buf[offset - data->offset]); |
463d59bf RS |
2242 | |
2243 | if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) != 0) { | |
18c27b73 | 2244 | rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path); |
18c27b73 | 2245 | free(mdata); |
ae8168b3 | 2246 | if (data->num_calls == 0) { |
63d4a058 | 2247 | free_nfs_cb_data(data); |
ae8168b3 PL |
2248 | return -1; |
2249 | } | |
2250 | data->oom = 1; | |
40a4373a | 2251 | break; |
18c27b73 RS |
2252 | } |
2253 | ||
2254 | count -= writecount; | |
2255 | offset += writecount; | |
2256 | data->num_calls++; | |
027a767e | 2257 | } while (count > 0); |
18c27b73 | 2258 | |
84004dbf RS |
2259 | return 0; |
2260 | } | |
2261 | ||
567a94d9 AR |
2262 | 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) |
2263 | { | |
2264 | return nfs_pwrite_async_internal(nfs, nfsfh, offset, count, buf, cb, private_data, 0); | |
2265 | } | |
2266 | ||
84004dbf RS |
2267 | /* |
2268 | * Async write() | |
2269 | */ | |
548e2bea RS |
2270 | static void nfs_write_append_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
2271 | { | |
2272 | struct nfs_cb_data *data = private_data; | |
2273 | struct nfs_context *nfs = data->nfs; | |
2274 | GETATTR3res *res; | |
2275 | ||
2276 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
2277 | ||
2278 | if (status == RPC_STATUS_ERROR) { | |
2279 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2280 | free_nfs_cb_data(data); | |
2281 | return; | |
2282 | } | |
2283 | if (status == RPC_STATUS_CANCEL) { | |
2284 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2285 | free_nfs_cb_data(data); | |
2286 | return; | |
2287 | } | |
2288 | ||
2289 | res = command_data; | |
2290 | if (res->status != NFS3_OK) { | |
2291 | rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2292 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2293 | free_nfs_cb_data(data); | |
2294 | return; | |
2295 | } | |
2296 | ||
2297 | 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) { | |
2298 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2299 | free_nfs_cb_data(data); | |
2300 | return; | |
2301 | } | |
2302 | free_nfs_cb_data(data); | |
2303 | } | |
2304 | ||
183451cf | 2305 | int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data) |
84004dbf | 2306 | { |
3ca2aac9 | 2307 | nfs_ra_invalidate(nfsfh); |
548e2bea RS |
2308 | if (nfsfh->is_append) { |
2309 | struct GETATTR3args args; | |
2310 | struct nfs_cb_data *data; | |
2311 | ||
2312 | data = malloc(sizeof(struct nfs_cb_data)); | |
2313 | if (data == NULL) { | |
2314 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
2315 | return -1; | |
2316 | } | |
2317 | memset(data, 0, sizeof(struct nfs_cb_data)); | |
2318 | data->nfs = nfs; | |
2319 | data->cb = cb; | |
2320 | data->private_data = private_data; | |
2321 | data->nfsfh = nfsfh; | |
2322 | data->usrbuf = buf; | |
2323 | data->count = count; | |
2324 | ||
2325 | memset(&args, 0, sizeof(GETATTR3args)); | |
2326 | args.object = nfsfh->fh; | |
2327 | ||
2328 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_write_append_cb, &args, data) != 0) { | |
2329 | rpc_set_error(nfs->rpc, "out of memory: failed to send GETATTR"); | |
2330 | free_nfs_cb_data(data); | |
2331 | return -1; | |
2332 | } | |
2333 | return 0; | |
2334 | } | |
567a94d9 | 2335 | return nfs_pwrite_async_internal(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data, 1); |
84004dbf RS |
2336 | } |
2337 | ||
2338 | ||
2339 | ||
2340 | ||
2341 | /* | |
2342 | * close | |
2343 | */ | |
4b1ae88a | 2344 | |
84004dbf RS |
2345 | int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) |
2346 | { | |
370c59e3 | 2347 | free_nfsfh(nfsfh); |
84004dbf RS |
2348 | cb(0, nfs, NULL, private_data); |
2349 | return 0; | |
2350 | }; | |
2351 | ||
2352 | ||
2353 | ||
2354 | ||
2355 | ||
2356 | /* | |
2357 | * Async fstat() | |
2358 | */ | |
2359 | int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
2360 | { | |
2361 | struct nfs_cb_data *data; | |
463d59bf | 2362 | struct GETATTR3args args; |
84004dbf RS |
2363 | |
2364 | data = malloc(sizeof(struct nfs_cb_data)); | |
2365 | if (data == NULL) { | |
2366 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
2367 | return -1; |
2368 | } | |
ea98629a | 2369 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2370 | data->nfs = nfs; |
2371 | data->cb = cb; | |
2372 | data->private_data = private_data; | |
2373 | ||
463d59bf | 2374 | memset(&args, 0, sizeof(GETATTR3args)); |
2452c57f | 2375 | args.object = nfsfh->fh; |
463d59bf RS |
2376 | |
2377 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) { | |
84004dbf RS |
2378 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); |
2379 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2380 | free_nfs_cb_data(data); | |
2381 | return -1; | |
2382 | } | |
2383 | return 0; | |
2384 | } | |
2385 | ||
3e020c15 RL |
2386 | /* |
2387 | * Async fstat64() | |
2388 | */ | |
2389 | int nfs_fstat64_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
2390 | { | |
2391 | struct nfs_cb_data *data; | |
2392 | struct GETATTR3args args; | |
2393 | ||
2394 | data = malloc(sizeof(struct nfs_cb_data)); | |
2395 | if (data == NULL) { | |
2396 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
2397 | return -1; | |
2398 | } | |
2399 | memset(data, 0, sizeof(struct nfs_cb_data)); | |
2400 | data->nfs = nfs; | |
2401 | data->cb = cb; | |
2402 | data->private_data = private_data; | |
2403 | ||
2404 | memset(&args, 0, sizeof(GETATTR3args)); | |
2405 | args.object = nfsfh->fh; | |
2406 | ||
2407 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat64_1_cb, &args, data) != 0) { | |
2408 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); | |
2409 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2410 | free_nfs_cb_data(data); | |
2411 | return -1; | |
2412 | } | |
2413 | return 0; | |
2414 | } | |
2415 | ||
84004dbf RS |
2416 | |
2417 | ||
2418 | /* | |
2419 | * Async fsync() | |
2420 | */ | |
f3a75078 | 2421 | static void nfs_fsync_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2422 | { |
2423 | struct nfs_cb_data *data = private_data; | |
2424 | struct nfs_context *nfs = data->nfs; | |
2425 | COMMIT3res *res; | |
2426 | ||
f3a75078 RS |
2427 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2428 | ||
84004dbf RS |
2429 | if (status == RPC_STATUS_ERROR) { |
2430 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2431 | free_nfs_cb_data(data); | |
2432 | return; | |
2433 | } | |
2434 | if (status == RPC_STATUS_CANCEL) { | |
2435 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2436 | free_nfs_cb_data(data); | |
2437 | return; | |
2438 | } | |
2439 | ||
2440 | res = command_data; | |
2441 | if (res->status != NFS3_OK) { | |
2442 | rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2443 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2444 | free_nfs_cb_data(data); | |
2445 | return; | |
2446 | } | |
2447 | ||
2448 | data->cb(0, nfs, NULL, data->private_data); | |
2449 | free_nfs_cb_data(data); | |
2450 | } | |
2451 | ||
2452 | int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
2453 | { | |
2454 | struct nfs_cb_data *data; | |
1a5636ff | 2455 | struct COMMIT3args args; |
84004dbf RS |
2456 | |
2457 | data = malloc(sizeof(struct nfs_cb_data)); | |
2458 | if (data == NULL) { | |
2459 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
2460 | return -1; |
2461 | } | |
ea98629a | 2462 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2463 | data->nfs = nfs; |
2464 | data->cb = cb; | |
2465 | data->private_data = private_data; | |
2466 | ||
1a5636ff RS |
2467 | args.file = nfsfh->fh; |
2468 | args.offset = 0; | |
2469 | args.count = 0; | |
2470 | if (rpc_nfs3_commit_async(nfs->rpc, nfs_fsync_cb, &args, data) != 0) { | |
84004dbf RS |
2471 | rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path); |
2472 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2473 | free_nfs_cb_data(data); | |
2474 | return -1; | |
2475 | } | |
2476 | return 0; | |
2477 | } | |
2478 | ||
2479 | ||
2480 | ||
2481 | ||
2482 | /* | |
2483 | * Async ftruncate() | |
2484 | */ | |
f3a75078 | 2485 | static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2486 | { |
2487 | struct nfs_cb_data *data = private_data; | |
2488 | struct nfs_context *nfs = data->nfs; | |
2489 | SETATTR3res *res; | |
2490 | ||
f3a75078 RS |
2491 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2492 | ||
84004dbf RS |
2493 | if (status == RPC_STATUS_ERROR) { |
2494 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2495 | free_nfs_cb_data(data); | |
2496 | return; | |
2497 | } | |
2498 | if (status == RPC_STATUS_CANCEL) { | |
2499 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2500 | free_nfs_cb_data(data); | |
2501 | return; | |
2502 | } | |
2503 | ||
2504 | res = command_data; | |
2505 | if (res->status != NFS3_OK) { | |
2506 | rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2507 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2508 | free_nfs_cb_data(data); | |
2509 | return; | |
2510 | } | |
2511 | ||
2512 | data->cb(0, nfs, NULL, data->private_data); | |
2513 | free_nfs_cb_data(data); | |
2514 | } | |
2515 | ||
183451cf | 2516 | int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data) |
84004dbf RS |
2517 | { |
2518 | struct nfs_cb_data *data; | |
2519 | SETATTR3args args; | |
2520 | ||
2521 | data = malloc(sizeof(struct nfs_cb_data)); | |
2522 | if (data == NULL) { | |
2523 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
2524 | return -1; |
2525 | } | |
ea98629a | 2526 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2527 | data->nfs = nfs; |
2528 | data->cb = cb; | |
2529 | data->private_data = private_data; | |
2530 | ||
ea98629a | 2531 | memset(&args, 0, sizeof(SETATTR3args)); |
2452c57f | 2532 | args.object = nfsfh->fh; |
84004dbf RS |
2533 | args.new_attributes.size.set_it = 1; |
2534 | args.new_attributes.size.set_size3_u.size = length; | |
2535 | ||
b701254d | 2536 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) { |
84004dbf RS |
2537 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
2538 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2539 | free_nfs_cb_data(data); | |
2540 | return -1; | |
2541 | } | |
2542 | return 0; | |
2543 | } | |
2544 | ||
2545 | ||
2546 | /* | |
2547 | * Async truncate() | |
2548 | */ | |
20379f03 | 2549 | static int nfs_truncate_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 2550 | { |
183451cf | 2551 | uint64_t offset = data->continue_int; |
84004dbf RS |
2552 | struct nfsfh nfsfh; |
2553 | ||
2452c57f | 2554 | nfsfh.fh = data->fh; |
84004dbf RS |
2555 | |
2556 | if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) { | |
2557 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
2558 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2559 | free_nfs_cb_data(data); | |
2560 | return -1; | |
2561 | } | |
2562 | free_nfs_cb_data(data); | |
2563 | return 0; | |
2564 | } | |
2565 | ||
183451cf | 2566 | int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data) |
84004dbf | 2567 | { |
183451cf | 2568 | uint64_t offset; |
84004dbf RS |
2569 | |
2570 | offset = length; | |
2571 | ||
1d151991 | 2572 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) { |
cbbf9d3e RS |
2573 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2574 | return -1; | |
84004dbf RS |
2575 | } |
2576 | ||
2577 | return 0; | |
2578 | } | |
2579 | ||
2580 | ||
2581 | ||
2582 | ||
2583 | /* | |
2584 | * Async mkdir() | |
2585 | */ | |
f3a75078 | 2586 | static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2587 | { |
2588 | MKDIR3res *res; | |
2589 | struct nfs_cb_data *data = private_data; | |
2590 | struct nfs_context *nfs = data->nfs; | |
2591 | char *str = data->continue_data; | |
4b1ae88a | 2592 | |
f3a75078 RS |
2593 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2594 | ||
84004dbf RS |
2595 | str = &str[strlen(str) + 1]; |
2596 | ||
2597 | if (status == RPC_STATUS_ERROR) { | |
2598 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2599 | free_nfs_cb_data(data); | |
2600 | return; | |
2601 | } | |
2602 | if (status == RPC_STATUS_CANCEL) { | |
2603 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2604 | free_nfs_cb_data(data); | |
2605 | return; | |
2606 | } | |
2607 | ||
2608 | res = command_data; | |
2609 | if (res->status != NFS3_OK) { | |
2610 | 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)); | |
2611 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2612 | free_nfs_cb_data(data); | |
2613 | return; | |
2614 | } | |
2615 | ||
2616 | data->cb(0, nfs, NULL, data->private_data); | |
2617 | free_nfs_cb_data(data); | |
2618 | } | |
2619 | ||
20379f03 | 2620 | static int nfs_mkdir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
2621 | { |
2622 | char *str = data->continue_data; | |
7edc9026 RS |
2623 | MKDIR3args args; |
2624 | ||
84004dbf RS |
2625 | str = &str[strlen(str) + 1]; |
2626 | ||
7edc9026 | 2627 | memset(&args, 0, sizeof(MKDIR3args)); |
2452c57f | 2628 | args.where.dir = data->fh; |
7edc9026 RS |
2629 | args.where.name = str; |
2630 | args.attributes.mode.set_it = 1; | |
2631 | args.attributes.mode.set_mode3_u.mode = 0755; | |
2632 | ||
acabd6bf | 2633 | if (rpc_nfs3_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) { |
84004dbf RS |
2634 | rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path); |
2635 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2636 | free_nfs_cb_data(data); | |
2637 | return -1; | |
2638 | } | |
2639 | return 0; | |
2640 | } | |
2641 | ||
2642 | int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
2643 | { | |
2644 | char *new_path; | |
2645 | char *ptr; | |
2646 | ||
2647 | new_path = strdup(path); | |
2648 | if (new_path == NULL) { | |
cbbf9d3e | 2649 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
2650 | return -1; |
2651 | } | |
2652 | ||
93e9306f | 2653 | ptr = strrchr(new_path, '/'); |
84004dbf | 2654 | if (ptr == NULL) { |
b1a197f5 | 2655 | free(new_path); |
cbbf9d3e RS |
2656 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
2657 | return -1; | |
84004dbf RS |
2658 | } |
2659 | *ptr = 0; | |
2660 | ||
2661 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1d151991 | 2662 | if (nfs_lookuppath_async(nfs, new_path, 0, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) { |
cbbf9d3e RS |
2663 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component"); |
2664 | return -1; | |
84004dbf RS |
2665 | } |
2666 | ||
2667 | return 0; | |
2668 | } | |
2669 | ||
2670 | ||
2671 | ||
2672 | ||
2673 | ||
2674 | /* | |
2675 | * Async rmdir() | |
2676 | */ | |
f3a75078 | 2677 | static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2678 | { |
2679 | RMDIR3res *res; | |
2680 | struct nfs_cb_data *data = private_data; | |
2681 | struct nfs_context *nfs = data->nfs; | |
2682 | char *str = data->continue_data; | |
4b1ae88a | 2683 | |
f3a75078 RS |
2684 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2685 | ||
84004dbf RS |
2686 | str = &str[strlen(str) + 1]; |
2687 | ||
2688 | if (status == RPC_STATUS_ERROR) { | |
2689 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2690 | free_nfs_cb_data(data); | |
2691 | return; | |
2692 | } | |
2693 | if (status == RPC_STATUS_CANCEL) { | |
2694 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2695 | free_nfs_cb_data(data); | |
2696 | return; | |
2697 | } | |
2698 | ||
2699 | res = command_data; | |
2700 | if (res->status != NFS3_OK) { | |
2701 | 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)); | |
2702 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2703 | free_nfs_cb_data(data); | |
2704 | return; | |
2705 | } | |
2706 | ||
2707 | data->cb(0, nfs, NULL, data->private_data); | |
2708 | free_nfs_cb_data(data); | |
2709 | } | |
2710 | ||
20379f03 | 2711 | static int nfs_rmdir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
2712 | { |
2713 | char *str = data->continue_data; | |
bf817ee6 RS |
2714 | RMDIR3args args; |
2715 | ||
84004dbf RS |
2716 | str = &str[strlen(str) + 1]; |
2717 | ||
bf817ee6 RS |
2718 | args.object.dir = data->fh; |
2719 | args.object.name = str; | |
2720 | if (rpc_nfs3_rmdir_async(nfs->rpc, nfs_rmdir_cb, &args, data) != 0) { | |
84004dbf RS |
2721 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path); |
2722 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2723 | free_nfs_cb_data(data); | |
2724 | return -1; | |
2725 | } | |
2726 | return 0; | |
2727 | } | |
2728 | ||
2729 | int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
2730 | { | |
2731 | char *new_path; | |
2732 | char *ptr; | |
2733 | ||
2734 | new_path = strdup(path); | |
2735 | if (new_path == NULL) { | |
cbbf9d3e | 2736 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
2737 | return -1; |
2738 | } | |
2739 | ||
93e9306f | 2740 | ptr = strrchr(new_path, '/'); |
84004dbf | 2741 | if (ptr == NULL) { |
2257433d | 2742 | free(new_path); |
cbbf9d3e RS |
2743 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
2744 | return -1; | |
84004dbf RS |
2745 | } |
2746 | *ptr = 0; | |
2747 | ||
2748 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1d151991 | 2749 | if (nfs_lookuppath_async(nfs, new_path, 0, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) { |
cbbf9d3e RS |
2750 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2751 | return -1; | |
84004dbf RS |
2752 | } |
2753 | ||
2754 | return 0; | |
2755 | } | |
2756 | ||
2757 | ||
2758 | ||
2759 | ||
2760 | /* | |
2761 | * Async creat() | |
2762 | */ | |
037a1061 RL |
2763 | struct create_cb_data { |
2764 | char *path; | |
2765 | int flags; | |
2766 | int mode; | |
2767 | }; | |
2768 | ||
2769 | static void free_create_cb_data(void *ptr) | |
2770 | { | |
2771 | struct create_cb_data *data = ptr; | |
2772 | ||
2773 | free(data->path); | |
2774 | free(data); | |
2775 | } | |
2776 | ||
370c59e3 RL |
2777 | static void nfs_create_trunc_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
2778 | { | |
2779 | struct nfs_cb_data *data = private_data; | |
2780 | struct nfs_context *nfs = data->nfs; | |
408cd870 | 2781 | struct nfsfh *nfsfh = data->nfsfh; |
370c59e3 RL |
2782 | SETATTR3res *res; |
2783 | ||
2784 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
2785 | ||
2786 | if (status == RPC_STATUS_ERROR) { | |
2787 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2788 | free_nfs_cb_data(data); | |
2789 | free_nfsfh(nfsfh); | |
2790 | return; | |
2791 | } | |
2792 | if (status == RPC_STATUS_CANCEL) { | |
2793 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2794 | free_nfs_cb_data(data); | |
2795 | free_nfsfh(nfsfh); | |
2796 | return; | |
2797 | } | |
2798 | ||
2799 | res = command_data; | |
2800 | if (res->status != NFS3_OK) { | |
2801 | rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2802 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2803 | free_nfs_cb_data(data); | |
2804 | free_nfsfh(nfsfh); | |
2805 | return; | |
2806 | } | |
2807 | ||
408cd870 | 2808 | data->cb(0, nfs, nfsfh, data->private_data); |
370c59e3 RL |
2809 | free_nfs_cb_data(data); |
2810 | } | |
2811 | ||
f3a75078 | 2812 | static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2813 | { |
2814 | LOOKUP3res *res; | |
2815 | struct nfs_cb_data *data = private_data; | |
2816 | struct nfs_context *nfs = data->nfs; | |
2817 | struct nfsfh *nfsfh; | |
037a1061 RL |
2818 | struct create_cb_data *cb_data = data->continue_data; |
2819 | char *str = cb_data->path; | |
84004dbf | 2820 | |
f3a75078 RS |
2821 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2822 | ||
84004dbf RS |
2823 | if (status == RPC_STATUS_ERROR) { |
2824 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2825 | free_nfs_cb_data(data); | |
2826 | return; | |
2827 | } | |
2828 | if (status == RPC_STATUS_CANCEL) { | |
2829 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2830 | free_nfs_cb_data(data); | |
2831 | return; | |
2832 | } | |
2833 | ||
2834 | str = &str[strlen(str) + 1]; | |
2835 | res = command_data; | |
2836 | if (res->status != NFS3_OK) { | |
2837 | 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)); | |
2838 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2839 | ||
2840 | return; | |
2841 | } | |
2842 | ||
2843 | nfsfh = malloc(sizeof(struct nfsfh)); | |
2844 | if (nfsfh == NULL) { | |
2845 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
2846 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2847 | free_nfs_cb_data(data); | |
2848 | return; | |
2849 | } | |
ea98629a | 2850 | memset(nfsfh, 0, sizeof(struct nfsfh)); |
84004dbf | 2851 | |
037a1061 RL |
2852 | if (cb_data->flags & O_SYNC) { |
2853 | nfsfh->is_sync = 1; | |
2854 | } | |
2855 | if (cb_data->flags & O_APPEND) { | |
2856 | nfsfh->is_append = 1; | |
2857 | } | |
2858 | ||
0c1a9d7a RS |
2859 | /* copy the filehandle */ |
2860 | nfsfh->fh.data.data_len = res->LOOKUP3res_u.resok.object.data.data_len; | |
2861 | nfsfh->fh.data.data_val = malloc(nfsfh->fh.data.data_len); | |
ece11036 RL |
2862 | if (nfsfh->fh.data.data_val == NULL) { |
2863 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh structure"); | |
2864 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2865 | free_nfs_cb_data(data); | |
2866 | free(nfsfh); | |
c4d5f5b8 | 2867 | return; |
ece11036 | 2868 | } |
0c1a9d7a | 2869 | memcpy(nfsfh->fh.data.data_val, res->LOOKUP3res_u.resok.object.data.data_val, nfsfh->fh.data.data_len); |
84004dbf | 2870 | |
370c59e3 RL |
2871 | /* Try to truncate it if we were requested to */ |
2872 | if (cb_data->flags & O_TRUNC) { | |
2873 | SETATTR3args args; | |
2874 | ||
2875 | data->nfsfh = nfsfh; | |
2876 | ||
2877 | memset(&args, 0, sizeof(SETATTR3args)); | |
2878 | args.object = nfsfh->fh; | |
2879 | args.new_attributes.size.set_it = 1; | |
2880 | args.new_attributes.size.set_size3_u.size = 0; | |
2881 | ||
2882 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_create_trunc_cb, | |
2883 | &args, data) != 0) { | |
2884 | rpc_set_error(nfs->rpc, "RPC error: Failed to send " | |
2885 | "SETATTR call for %s", data->path); | |
2886 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), | |
2887 | data->private_data); | |
2888 | free_nfs_cb_data(data); | |
2889 | free_nfsfh(nfsfh); | |
2890 | return; | |
2891 | } | |
2892 | return; | |
2893 | } | |
2894 | ||
84004dbf RS |
2895 | data->cb(0, nfs, nfsfh, data->private_data); |
2896 | free_nfs_cb_data(data); | |
2897 | } | |
2898 | ||
2899 | ||
2900 | ||
037a1061 | 2901 | static void nfs_create_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2902 | { |
2903 | CREATE3res *res; | |
2904 | struct nfs_cb_data *data = private_data; | |
2905 | struct nfs_context *nfs = data->nfs; | |
037a1061 RL |
2906 | struct create_cb_data *cb_data = data->continue_data; |
2907 | char *str = cb_data->path; | |
463d59bf | 2908 | LOOKUP3args args; |
84004dbf | 2909 | |
f3a75078 RS |
2910 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2911 | ||
84004dbf RS |
2912 | if (status == RPC_STATUS_ERROR) { |
2913 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2914 | free_nfs_cb_data(data); | |
2915 | return; | |
2916 | } | |
2917 | if (status == RPC_STATUS_CANCEL) { | |
2918 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2919 | free_nfs_cb_data(data); | |
2920 | return; | |
2921 | } | |
2922 | ||
2923 | str = &str[strlen(str) + 1]; | |
2924 | res = command_data; | |
2925 | if (res->status != NFS3_OK) { | |
2926 | 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)); | |
2927 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
fadbf8cf | 2928 | free_nfs_cb_data(data); |
84004dbf RS |
2929 | return; |
2930 | } | |
2931 | ||
463d59bf | 2932 | memset(&args, 0, sizeof(LOOKUP3args)); |
2452c57f RS |
2933 | args.what.dir = data->fh; |
2934 | args.what.name = str; | |
463d59bf RS |
2935 | |
2936 | if (rpc_nfs3_lookup_async(nfs->rpc, nfs_create_2_cb, &args, data) != 0) { | |
84004dbf RS |
2937 | rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str); |
2938 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2939 | free_nfs_cb_data(data); | |
2940 | return; | |
2941 | } | |
2942 | return; | |
2943 | } | |
2944 | ||
037a1061 | 2945 | static int nfs_create_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 2946 | { |
037a1061 RL |
2947 | struct create_cb_data *cb_data = data->continue_data; |
2948 | char *str = cb_data->path; | |
c985c015 RS |
2949 | CREATE3args args; |
2950 | ||
84004dbf RS |
2951 | str = &str[strlen(str) + 1]; |
2952 | ||
c985c015 | 2953 | memset(&args, 0, sizeof(CREATE3args)); |
2452c57f | 2954 | args.where.dir = data->fh; |
c985c015 | 2955 | args.where.name = str; |
037a1061 | 2956 | args.how.mode = (cb_data->flags & O_EXCL) ? GUARDED : UNCHECKED; |
c985c015 | 2957 | args.how.createhow3_u.obj_attributes.mode.set_it = 1; |
037a1061 | 2958 | args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = cb_data->mode; |
c985c015 | 2959 | |
037a1061 | 2960 | if (rpc_nfs3_create_async(nfs->rpc, nfs_create_1_cb, &args, data) != 0) { |
84004dbf RS |
2961 | rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str); |
2962 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2963 | free_nfs_cb_data(data); | |
2964 | return -1; | |
2965 | } | |
2966 | return 0; | |
2967 | } | |
2968 | ||
037a1061 | 2969 | int nfs_create_async(struct nfs_context *nfs, const char *path, int flags, int mode, nfs_cb cb, void *private_data) |
84004dbf | 2970 | { |
037a1061 | 2971 | struct create_cb_data *cb_data; |
84004dbf RS |
2972 | char *ptr; |
2973 | ||
037a1061 RL |
2974 | cb_data = malloc(sizeof(struct create_cb_data)); |
2975 | if (cb_data == NULL) { | |
2976 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data"); | |
2977 | return -1; | |
2978 | } | |
2979 | ||
2980 | cb_data->path = strdup(path); | |
2981 | if (cb_data->path == NULL) { | |
cbbf9d3e | 2982 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
037a1061 | 2983 | free(cb_data); |
84004dbf RS |
2984 | return -1; |
2985 | } | |
2986 | ||
037a1061 | 2987 | ptr = strrchr(cb_data->path, '/'); |
84004dbf | 2988 | if (ptr == NULL) { |
cbbf9d3e | 2989 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
037a1061 | 2990 | free_create_cb_data(cb_data); |
cbbf9d3e | 2991 | return -1; |
84004dbf RS |
2992 | } |
2993 | *ptr = 0; | |
2994 | ||
037a1061 RL |
2995 | cb_data->flags = flags; |
2996 | cb_data->mode = mode; | |
2997 | ||
73f4ae7c | 2998 | /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */ |
1d151991 | 2999 | 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 |
3000 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
3001 | return -1; | |
84004dbf RS |
3002 | } |
3003 | ||
3004 | return 0; | |
3005 | } | |
3006 | ||
037a1061 RL |
3007 | int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) |
3008 | { | |
3009 | return nfs_create_async(nfs, path, 0, mode, cb, private_data); | |
3010 | } | |
3011 | ||
84004dbf RS |
3012 | |
3013 | ||
3014 | ||
3015 | /* | |
3016 | * Async unlink() | |
3017 | */ | |
f3a75078 | 3018 | static void nfs_unlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3019 | { |
3020 | REMOVE3res *res; | |
3021 | struct nfs_cb_data *data = private_data; | |
3022 | struct nfs_context *nfs = data->nfs; | |
3023 | char *str = data->continue_data; | |
4b1ae88a | 3024 | |
f3a75078 RS |
3025 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3026 | ||
84004dbf RS |
3027 | str = &str[strlen(str) + 1]; |
3028 | ||
3029 | if (status == RPC_STATUS_ERROR) { | |
3030 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3031 | free_nfs_cb_data(data); | |
3032 | return; | |
3033 | } | |
3034 | if (status == RPC_STATUS_CANCEL) { | |
3035 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3036 | free_nfs_cb_data(data); | |
3037 | return; | |
3038 | } | |
3039 | ||
3040 | res = command_data; | |
3041 | if (res->status != NFS3_OK) { | |
3042 | 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)); | |
3043 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3044 | free_nfs_cb_data(data); | |
3045 | return; | |
3046 | } | |
3047 | ||
3048 | data->cb(0, nfs, NULL, data->private_data); | |
3049 | free_nfs_cb_data(data); | |
3050 | } | |
3051 | ||
20379f03 | 3052 | static int nfs_unlink_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
3053 | { |
3054 | char *str = data->continue_data; | |
a0a5aa26 RS |
3055 | struct REMOVE3args args; |
3056 | ||
84004dbf RS |
3057 | str = &str[strlen(str) + 1]; |
3058 | ||
a0a5aa26 RS |
3059 | args.object.dir = data->fh; |
3060 | args.object.name = str; | |
3061 | if (rpc_nfs3_remove_async(nfs->rpc, nfs_unlink_cb, &args, data) != 0) { | |
84004dbf RS |
3062 | rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path); |
3063 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3064 | free_nfs_cb_data(data); | |
3065 | return -1; | |
3066 | } | |
3067 | return 0; | |
3068 | } | |
3069 | ||
3070 | int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3071 | { | |
3072 | char *new_path; | |
3073 | char *ptr; | |
3074 | ||
3075 | new_path = strdup(path); | |
3076 | if (new_path == NULL) { | |
cbbf9d3e | 3077 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
3078 | return -1; |
3079 | } | |
3080 | ||
93e9306f | 3081 | ptr = strrchr(new_path, '/'); |
84004dbf | 3082 | if (ptr == NULL) { |
bcbb21cd | 3083 | free(new_path); |
cbbf9d3e RS |
3084 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
3085 | return -1; | |
84004dbf RS |
3086 | } |
3087 | *ptr = 0; | |
3088 | ||
3089 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1d151991 | 3090 | if (nfs_lookuppath_async(nfs, new_path, 0, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) { |
cbbf9d3e RS |
3091 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
3092 | return -1; | |
84004dbf RS |
3093 | } |
3094 | ||
3095 | return 0; | |
3096 | } | |
3097 | ||
3098 | ||
1ec6b50a RS |
3099 | /* |
3100 | * Async mknod() | |
3101 | */ | |
3102 | struct mknod_cb_data { | |
3103 | char *path; | |
3104 | int mode; | |
3105 | int major; | |
3106 | int minor; | |
3107 | }; | |
3108 | ||
3109 | static void free_mknod_cb_data(void *ptr) | |
3110 | { | |
3111 | struct mknod_cb_data *data = ptr; | |
3112 | ||
3113 | free(data->path); | |
3114 | free(data); | |
3115 | } | |
3116 | ||
f3a75078 | 3117 | static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
1ec6b50a RS |
3118 | { |
3119 | MKNOD3res *res; | |
3120 | struct nfs_cb_data *data = private_data; | |
3121 | struct nfs_context *nfs = data->nfs; | |
3122 | char *str = data->continue_data; | |
4b1ae88a | 3123 | |
f3a75078 RS |
3124 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3125 | ||
1ec6b50a RS |
3126 | str = &str[strlen(str) + 1]; |
3127 | ||
3128 | if (status == RPC_STATUS_ERROR) { | |
3129 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3130 | free_nfs_cb_data(data); | |
3131 | return; | |
3132 | } | |
3133 | if (status == RPC_STATUS_CANCEL) { | |
3134 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3135 | free_nfs_cb_data(data); | |
3136 | return; | |
3137 | } | |
3138 | ||
3139 | res = command_data; | |
3140 | if (res->status != NFS3_OK) { | |
3141 | 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)); | |
3142 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3143 | free_nfs_cb_data(data); | |
3144 | return; | |
3145 | } | |
3146 | ||
3147 | data->cb(0, nfs, NULL, data->private_data); | |
3148 | free_nfs_cb_data(data); | |
3149 | } | |
3150 | ||
20379f03 | 3151 | static int nfs_mknod_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
1ec6b50a RS |
3152 | { |
3153 | struct mknod_cb_data *cb_data = data->continue_data; | |
3154 | char *str = cb_data->path; | |
b17cb0a2 | 3155 | MKNOD3args args; |
4b1ae88a | 3156 | |
1ec6b50a RS |
3157 | str = &str[strlen(str) + 1]; |
3158 | ||
b17cb0a2 RS |
3159 | args.where.dir = data->fh; |
3160 | args.where.name = str; | |
3161 | switch (cb_data->mode & S_IFMT) { | |
3162 | case S_IFCHR: | |
3163 | args.what.type = NF3CHR; | |
3164 | args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_it = 1; | |
3165 | 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); | |
3166 | args.what.mknoddata3_u.chr_device.spec.specdata1 = cb_data->major; | |
3167 | args.what.mknoddata3_u.chr_device.spec.specdata2 = cb_data->minor; | |
3168 | break; | |
3169 | case S_IFBLK: | |
3170 | args.what.type = NF3BLK; | |
3171 | args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_it = 1; | |
3172 | 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); | |
3173 | args.what.mknoddata3_u.blk_device.spec.specdata1 = cb_data->major; | |
3174 | args.what.mknoddata3_u.blk_device.spec.specdata2 = cb_data->minor; | |
3175 | case S_IFSOCK: | |
3176 | args.what.type = NF3SOCK; | |
3177 | args.what.mknoddata3_u.sock_attributes.mode.set_it = 1; | |
3178 | 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); | |
3179 | break; | |
3180 | case S_IFIFO: | |
3181 | args.what.type = NF3FIFO; | |
3182 | args.what.mknoddata3_u.pipe_attributes.mode.set_it = 1; | |
3183 | 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); | |
3184 | break; | |
3185 | default: | |
3186 | rpc_set_error(nfs->rpc, "Invalid file type for NFS3/MKNOD call"); | |
3187 | data->cb(-EINVAL, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3188 | free_nfs_cb_data(data); | |
3189 | return -1; | |
3190 | } | |
3191 | ||
3192 | if (rpc_nfs3_mknod_async(nfs->rpc, nfs_mknod_cb, &args, data) != 0) { | |
1ec6b50a RS |
3193 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
3194 | free_nfs_cb_data(data); | |
3195 | return -1; | |
3196 | } | |
3197 | return 0; | |
3198 | } | |
3199 | ||
3200 | int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data) | |
3201 | { | |
3202 | char *ptr; | |
3203 | struct mknod_cb_data *cb_data; | |
3204 | ||
3205 | cb_data = malloc(sizeof(struct mknod_cb_data)); | |
3206 | if (cb_data == NULL) { | |
3207 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data"); | |
3208 | return -1; | |
3209 | } | |
3210 | ||
3211 | cb_data->path = strdup(path); | |
3212 | if (cb_data->path == NULL) { | |
3213 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); | |
4b1ae88a | 3214 | free(cb_data); |
1ec6b50a RS |
3215 | return -1; |
3216 | } | |
3217 | ||
3218 | ptr = strrchr(cb_data->path, '/'); | |
3219 | if (ptr == NULL) { | |
3220 | rpc_set_error(nfs->rpc, "Invalid path %s", path); | |
feb2fc2f | 3221 | free_mknod_cb_data(cb_data); |
1ec6b50a RS |
3222 | return -1; |
3223 | } | |
3224 | *ptr = 0; | |
3225 | ||
3226 | cb_data->mode = mode; | |
3227 | cb_data->major = major(dev); | |
3228 | cb_data->minor = minor(dev); | |
3229 | ||
3230 | /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1d151991 | 3231 | 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 | 3232 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1ec6b50a RS |
3233 | return -1; |
3234 | } | |
3235 | ||
3236 | return 0; | |
3237 | } | |
84004dbf | 3238 | |
84004dbf RS |
3239 | /* |
3240 | * Async opendir() | |
3241 | */ | |
fb69c64c RS |
3242 | |
3243 | /* ReadDirPlus Emulation Callback data */ | |
3244 | struct rdpe_cb_data { | |
3245 | int getattrcount; | |
3246 | int status; | |
3247 | struct nfs_cb_data *data; | |
3248 | }; | |
3249 | ||
3250 | /* ReadDirPlus Emulation LOOKUP Callback data */ | |
3251 | struct rdpe_lookup_cb_data { | |
3252 | struct rdpe_cb_data *rdpe_cb_data; | |
3253 | struct nfsdirent *nfsdirent; | |
3254 | }; | |
3255 | ||
3256 | /* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */ | |
f3a75078 | 3257 | static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf | 3258 | { |
fb69c64c RS |
3259 | LOOKUP3res *res = command_data; |
3260 | struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data; | |
3261 | struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data; | |
3262 | struct nfs_cb_data *data = rdpe_cb_data->data; | |
3263 | struct nfsdir *nfsdir = data->continue_data; | |
3264 | struct nfs_context *nfs = data->nfs; | |
3265 | struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent; | |
3266 | ||
f3a75078 RS |
3267 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3268 | ||
fb69c64c RS |
3269 | free(rdpe_lookup_cb_data); |
3270 | ||
3271 | rdpe_cb_data->getattrcount--; | |
3272 | ||
3273 | if (status == RPC_STATUS_ERROR) { | |
9a9566a3 RS |
3274 | rpc_set_error(nfs->rpc, "LOOKUP during READDIRPLUS emulation " |
3275 | "failed with RPC_STATUS_ERROR"); | |
fb69c64c RS |
3276 | rdpe_cb_data->status = RPC_STATUS_ERROR; |
3277 | } | |
3278 | if (status == RPC_STATUS_CANCEL) { | |
9a9566a3 RS |
3279 | rpc_set_error(nfs->rpc, "LOOKUP during READDIRPLUS emulation " |
3280 | "failed with RPC_STATUS_CANCEL"); | |
fb69c64c RS |
3281 | rdpe_cb_data->status = RPC_STATUS_CANCEL; |
3282 | } | |
fb69c64c RS |
3283 | if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) { |
3284 | if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) { | |
3285 | fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes; | |
3286 | ||
3287 | nfsdirent->type = attributes->type; | |
3288 | nfsdirent->mode = attributes->mode; | |
3289 | nfsdirent->size = attributes->size; | |
3290 | ||
3291 | nfsdirent->atime.tv_sec = attributes->atime.seconds; | |
3292 | nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000; | |
fc08ac45 | 3293 | nfsdirent->atime_nsec = attributes->atime.nseconds; |
fb69c64c RS |
3294 | nfsdirent->mtime.tv_sec = attributes->mtime.seconds; |
3295 | nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000; | |
fc08ac45 | 3296 | nfsdirent->mtime_nsec = attributes->mtime.nseconds; |
fb69c64c RS |
3297 | nfsdirent->ctime.tv_sec = attributes->ctime.seconds; |
3298 | nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000; | |
fc08ac45 | 3299 | nfsdirent->ctime_nsec = attributes->ctime.nseconds; |
7bda8bad RS |
3300 | nfsdirent->uid = attributes->uid; |
3301 | nfsdirent->gid = attributes->gid; | |
390ff38a | 3302 | nfsdirent->nlink = attributes->nlink; |
fc08ac45 RL |
3303 | nfsdirent->dev = attributes->fsid; |
3304 | nfsdirent->rdev = specdata3_to_rdev(&attributes->rdev); | |
3305 | nfsdirent->blksize = NFS_BLKSIZE; | |
3306 | nfsdirent->blocks = (attributes->used + 512 - 1) / 512; | |
3307 | nfsdirent->used = attributes->used; | |
fb69c64c RS |
3308 | } |
3309 | } | |
3310 | ||
3311 | if (rdpe_cb_data->getattrcount == 0) { | |
3312 | if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) { | |
9a9566a3 RS |
3313 | rpc_set_error(nfs->rpc, "READDIRPLUS emulation " |
3314 | "failed: %s", rpc_get_error(rpc)); | |
3315 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), | |
3316 | data->private_data); | |
fb69c64c RS |
3317 | nfs_free_nfsdir(nfsdir); |
3318 | } else { | |
3319 | data->cb(0, nfs, nfsdir, data->private_data); | |
3320 | } | |
3321 | free(rdpe_cb_data); | |
3322 | ||
3323 | data->continue_data = NULL; | |
3324 | free_nfs_cb_data(data); | |
3325 | } | |
3326 | } | |
3327 | ||
f3a75078 | 3328 | static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
fb69c64c RS |
3329 | { |
3330 | READDIR3res *res = command_data; | |
84004dbf RS |
3331 | struct nfs_cb_data *data = private_data; |
3332 | struct nfs_context *nfs = data->nfs; | |
fb6510bb | 3333 | struct nfsdir *nfsdir = data->continue_data; |
fb69c64c RS |
3334 | struct nfsdirent *nfsdirent; |
3335 | struct entry3 *entry; | |
ecbd14a1 | 3336 | uint64_t cookie = 0; |
fb69c64c | 3337 | struct rdpe_cb_data *rdpe_cb_data; |
4b1ae88a | 3338 | |
f3a75078 RS |
3339 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3340 | ||
84004dbf RS |
3341 | if (status == RPC_STATUS_ERROR) { |
3342 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3343 | nfs_free_nfsdir(nfsdir); | |
3344 | data->continue_data = NULL; | |
3345 | free_nfs_cb_data(data); | |
3346 | return; | |
3347 | } | |
fb69c64c | 3348 | |
84004dbf RS |
3349 | if (status == RPC_STATUS_CANCEL) { |
3350 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3351 | nfs_free_nfsdir(nfsdir); | |
3352 | data->continue_data = NULL; | |
3353 | free_nfs_cb_data(data); | |
3354 | return; | |
3355 | } | |
3356 | ||
84004dbf RS |
3357 | if (res->status != NFS3_OK) { |
3358 | 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)); | |
3359 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3360 | nfs_free_nfsdir(nfsdir); | |
3361 | data->continue_data = NULL; | |
3362 | free_nfs_cb_data(data); | |
3363 | return; | |
fb69c64c RS |
3364 | } |
3365 | ||
3366 | entry =res->READDIR3res_u.resok.reply.entries; | |
3367 | while (entry != NULL) { | |
3368 | nfsdirent = malloc(sizeof(struct nfsdirent)); | |
3369 | if (nfsdirent == NULL) { | |
3370 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data); | |
3371 | nfs_free_nfsdir(nfsdir); | |
3372 | data->continue_data = NULL; | |
3373 | free_nfs_cb_data(data); | |
3374 | return; | |
3375 | } | |
3376 | memset(nfsdirent, 0, sizeof(struct nfsdirent)); | |
3377 | nfsdirent->name = strdup(entry->name); | |
3378 | if (nfsdirent->name == NULL) { | |
3379 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data); | |
a26bebef | 3380 | free(nfsdirent); |
fb69c64c RS |
3381 | nfs_free_nfsdir(nfsdir); |
3382 | data->continue_data = NULL; | |
3383 | free_nfs_cb_data(data); | |
3384 | return; | |
3385 | } | |
3386 | nfsdirent->inode = entry->fileid; | |
3387 | ||
3388 | nfsdirent->next = nfsdir->entries; | |
3389 | nfsdir->entries = nfsdirent; | |
3390 | ||
3391 | cookie = entry->cookie; | |
3392 | entry = entry->nextentry; | |
3393 | } | |
3394 | ||
3395 | if (res->READDIR3res_u.resok.reply.eof == 0) { | |
a64a16a2 RS |
3396 | READDIR3args args; |
3397 | ||
3398 | args.dir = data->fh; | |
3399 | args.cookie = cookie; | |
2452c57f | 3400 | memcpy(&args.cookieverf, res->READDIR3res_u.resok.cookieverf, sizeof(cookieverf3)); |
a64a16a2 RS |
3401 | args.count = 8192; |
3402 | ||
3403 | if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) { | |
fb69c64c RS |
3404 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); |
3405 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3406 | nfs_free_nfsdir(nfsdir); | |
3407 | data->continue_data = NULL; | |
3408 | free_nfs_cb_data(data); | |
3409 | return; | |
3410 | } | |
3411 | return; | |
3412 | } | |
3413 | ||
56e96539 RS |
3414 | if (res->READDIR3res_u.resok.dir_attributes.attributes_follow) |
3415 | nfsdir->attr = res->READDIR3res_u.resok.dir_attributes.post_op_attr_u.attributes; | |
3416 | ||
fb69c64c RS |
3417 | /* steal the dirhandle */ |
3418 | nfsdir->current = nfsdir->entries; | |
3419 | ||
b6446650 AR |
3420 | if (nfsdir->entries) { |
3421 | rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data)); | |
3422 | rdpe_cb_data->getattrcount = 0; | |
3423 | rdpe_cb_data->status = RPC_STATUS_SUCCESS; | |
3424 | rdpe_cb_data->data = data; | |
3425 | for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) { | |
3426 | struct rdpe_lookup_cb_data *rdpe_lookup_cb_data; | |
3427 | LOOKUP3args args; | |
3428 | ||
3429 | rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data)); | |
3430 | rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data; | |
3431 | rdpe_lookup_cb_data->nfsdirent = nfsdirent; | |
3432 | ||
3433 | memset(&args, 0, sizeof(LOOKUP3args)); | |
3434 | args.what.dir = data->fh; | |
3435 | args.what.name = nfsdirent->name; | |
3436 | ||
3437 | if (rpc_nfs3_lookup_async(nfs->rpc, nfs_opendir3_cb, &args, rdpe_lookup_cb_data) != 0) { | |
3438 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call"); | |
3439 | ||
3440 | /* if we have already commands in flight, we cant just stop, we have to wait for the | |
3441 | * commands in flight to complete | |
3442 | */ | |
3443 | if (rdpe_cb_data->getattrcount > 0) { | |
3444 | nfs_free_nfsdir(nfsdir); | |
3445 | data->continue_data = NULL; | |
3446 | free_nfs_cb_data(data); | |
3447 | rdpe_cb_data->status = RPC_STATUS_ERROR; | |
3448 | free(rdpe_lookup_cb_data); | |
3449 | return; | |
3450 | } | |
3451 | ||
3452 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
a26bebef AR |
3453 | nfs_free_nfsdir(nfsdir); |
3454 | data->continue_data = NULL; | |
3455 | free_nfs_cb_data(data); | |
fb69c64c | 3456 | free(rdpe_lookup_cb_data); |
b6446650 | 3457 | free(rdpe_cb_data); |
fb69c64c RS |
3458 | return; |
3459 | } | |
b6446650 | 3460 | rdpe_cb_data->getattrcount++; |
fb69c64c | 3461 | } |
fb69c64c RS |
3462 | } |
3463 | } | |
3464 | ||
f3a75078 | 3465 | static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
fb69c64c RS |
3466 | { |
3467 | READDIRPLUS3res *res = command_data; | |
3468 | struct nfs_cb_data *data = private_data; | |
3469 | struct nfs_context *nfs = data->nfs; | |
3470 | struct nfsdir *nfsdir = data->continue_data; | |
3471 | struct entryplus3 *entry; | |
ecbd14a1 | 3472 | uint64_t cookie = 0; |
4b1ae88a | 3473 | |
f3a75078 | 3474 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
fb69c64c RS |
3475 | |
3476 | if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){ | |
a64a16a2 RS |
3477 | READDIR3args args; |
3478 | ||
3479 | args.dir = data->fh; | |
3480 | args.cookie = cookie; | |
2452c57f | 3481 | memset(&args.cookieverf, 0, sizeof(cookieverf3)); |
a64a16a2 | 3482 | args.count = 8192; |
fb69c64c | 3483 | |
a64a16a2 | 3484 | if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) { |
fb69c64c RS |
3485 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); |
3486 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3487 | nfs_free_nfsdir(nfsdir); | |
3488 | data->continue_data = NULL; | |
3489 | free_nfs_cb_data(data); | |
3490 | return; | |
3491 | } | |
3492 | return; | |
3493 | } | |
3494 | ||
3495 | if (status == RPC_STATUS_CANCEL) { | |
3496 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3497 | nfs_free_nfsdir(nfsdir); | |
3498 | data->continue_data = NULL; | |
3499 | free_nfs_cb_data(data); | |
3500 | return; | |
3501 | } | |
3502 | ||
3503 | if (res->status != NFS3_OK) { | |
3504 | 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)); | |
3505 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3506 | nfs_free_nfsdir(nfsdir); | |
3507 | data->continue_data = NULL; | |
3508 | free_nfs_cb_data(data); | |
3509 | return; | |
84004dbf RS |
3510 | } |
3511 | ||
f390f181 | 3512 | entry =res->READDIRPLUS3res_u.resok.reply.entries; |
84004dbf RS |
3513 | while (entry != NULL) { |
3514 | struct nfsdirent *nfsdirent; | |
3515 | ||
3516 | nfsdirent = malloc(sizeof(struct nfsdirent)); | |
3517 | if (nfsdirent == NULL) { | |
3518 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data); | |
3519 | nfs_free_nfsdir(nfsdir); | |
3520 | data->continue_data = NULL; | |
3521 | free_nfs_cb_data(data); | |
3522 | return; | |
3523 | } | |
ea98629a | 3524 | memset(nfsdirent, 0, sizeof(struct nfsdirent)); |
84004dbf RS |
3525 | nfsdirent->name = strdup(entry->name); |
3526 | if (nfsdirent->name == NULL) { | |
3527 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data); | |
b2fc5c54 | 3528 | free(nfsdirent); |
84004dbf RS |
3529 | nfs_free_nfsdir(nfsdir); |
3530 | data->continue_data = NULL; | |
3531 | free_nfs_cb_data(data); | |
3532 | return; | |
3533 | } | |
3534 | nfsdirent->inode = entry->fileid; | |
0804e67d RS |
3535 | if (entry->name_attributes.attributes_follow) { |
3536 | nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type; | |
3537 | nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode; | |
3538 | nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size; | |
3539 | ||
3540 | nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds; | |
3541 | nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000; | |
fc08ac45 | 3542 | nfsdirent->atime_nsec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds; |
0804e67d RS |
3543 | nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds; |
3544 | nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000; | |
fc08ac45 | 3545 | nfsdirent->mtime_nsec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds; |
0804e67d RS |
3546 | nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds; |
3547 | nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000; | |
fc08ac45 | 3548 | nfsdirent->ctime_nsec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds; |
7bda8bad RS |
3549 | nfsdirent->uid = entry->name_attributes.post_op_attr_u.attributes.uid; |
3550 | nfsdirent->gid = entry->name_attributes.post_op_attr_u.attributes.gid; | |
390ff38a | 3551 | nfsdirent->nlink = entry->name_attributes.post_op_attr_u.attributes.nlink; |
fc08ac45 RL |
3552 | nfsdirent->dev = entry->name_attributes.post_op_attr_u.attributes.fsid; |
3553 | nfsdirent->rdev = specdata3_to_rdev(&entry->name_attributes.post_op_attr_u.attributes.rdev); | |
3554 | nfsdirent->blksize = NFS_BLKSIZE; | |
3555 | nfsdirent->blocks = (entry->name_attributes.post_op_attr_u.attributes.used + 512 - 1) / 512; | |
3556 | nfsdirent->used = entry->name_attributes.post_op_attr_u.attributes.used; | |
0804e67d RS |
3557 | } |
3558 | ||
84004dbf RS |
3559 | nfsdirent->next = nfsdir->entries; |
3560 | nfsdir->entries = nfsdirent; | |
3561 | ||
3562 | cookie = entry->cookie; | |
3563 | entry = entry->nextentry; | |
3564 | } | |
3565 | ||
f390f181 | 3566 | if (res->READDIRPLUS3res_u.resok.reply.eof == 0) { |
1a5b83c9 RS |
3567 | READDIRPLUS3args args; |
3568 | ||
3569 | args.dir = data->fh; | |
3570 | args.cookie = cookie; | |
3571 | memcpy(&args.cookieverf, res->READDIRPLUS3res_u.resok.cookieverf, sizeof(cookieverf3)); | |
3572 | args.dircount = 8192; | |
3573 | args.maxcount = 8192; | |
3574 | ||
3575 | if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) { | |
f390f181 | 3576 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path); |
84004dbf RS |
3577 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
3578 | nfs_free_nfsdir(nfsdir); | |
3579 | data->continue_data = NULL; | |
3580 | free_nfs_cb_data(data); | |
3581 | return; | |
3582 | } | |
3583 | return; | |
3584 | } | |
3585 | ||
56e96539 RS |
3586 | if (res->READDIRPLUS3res_u.resok.dir_attributes.attributes_follow) |
3587 | nfsdir->attr = res->READDIRPLUS3res_u.resok.dir_attributes.post_op_attr_u.attributes; | |
3588 | ||
84004dbf RS |
3589 | /* steal the dirhandle */ |
3590 | data->continue_data = NULL; | |
3591 | nfsdir->current = nfsdir->entries; | |
3592 | ||
3593 | data->cb(0, nfs, nfsdir, data->private_data); | |
3594 | free_nfs_cb_data(data); | |
3595 | } | |
3596 | ||
20379f03 | 3597 | static int nfs_opendir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 3598 | { |
1a5b83c9 | 3599 | READDIRPLUS3args args; |
56e96539 RS |
3600 | struct nfsdir *nfsdir = data->continue_data;; |
3601 | struct nfsdir *cached; | |
3602 | ||
3603 | cached = nfs_dircache_find(nfs, &data->fh); | |
3604 | if (cached) { | |
3605 | if (attr && attr->mtime.seconds == cached->attr.mtime.seconds) { | |
3606 | cached->current = cached->entries; | |
3607 | data->cb(0, nfs, cached, data->private_data); | |
3608 | free_nfs_cb_data(data); | |
3609 | return 0; | |
3610 | } else { | |
3611 | /* cache must be stale */ | |
3612 | nfs_free_nfsdir(cached); | |
3613 | } | |
3614 | } | |
3615 | ||
3616 | nfsdir->fh.data.data_len = data->fh.data.data_len; | |
3617 | nfsdir->fh.data.data_val = malloc(nfsdir->fh.data.data_len); | |
3618 | if (nfsdir->fh.data.data_val == NULL) { | |
3619 | rpc_set_error(nfs->rpc, "OOM when allocating fh for nfsdir"); | |
3620 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3621 | free_nfs_cb_data(data); | |
3622 | return -1; | |
3623 | } | |
3624 | memcpy(nfsdir->fh.data.data_val, data->fh.data.data_val, data->fh.data.data_len); | |
84004dbf | 3625 | |
1a5b83c9 RS |
3626 | args.dir = data->fh; |
3627 | args.cookie = 0; | |
3628 | memset(&args.cookieverf, 0, sizeof(cookieverf3)); | |
3629 | args.dircount = 8192; | |
3630 | args.maxcount = 8192; | |
3631 | if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) { | |
f390f181 | 3632 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path); |
84004dbf RS |
3633 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
3634 | free_nfs_cb_data(data); | |
3635 | return -1; | |
3636 | } | |
3637 | return 0; | |
3638 | } | |
3639 | ||
3640 | int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3641 | { | |
3642 | struct nfsdir *nfsdir; | |
3643 | ||
3644 | nfsdir = malloc(sizeof(struct nfsdir)); | |
3645 | if (nfsdir == NULL) { | |
cbbf9d3e | 3646 | rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir"); |
84004dbf RS |
3647 | return -1; |
3648 | } | |
ea98629a | 3649 | memset(nfsdir, 0, sizeof(struct nfsdir)); |
84004dbf | 3650 | |
1d151991 | 3651 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) { |
cbbf9d3e RS |
3652 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
3653 | return -1; | |
84004dbf RS |
3654 | } |
3655 | ||
3656 | return 0; | |
3657 | } | |
3658 | ||
3659 | ||
3660 | struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir) | |
3661 | { | |
3662 | struct nfsdirent *nfsdirent = nfsdir->current; | |
3663 | ||
3664 | if (nfsdir->current != NULL) { | |
3665 | nfsdir->current = nfsdir->current->next; | |
3666 | } | |
3667 | return nfsdirent; | |
3668 | } | |
3669 | ||
3670 | ||
f893b680 RS |
3671 | /* |
3672 | * closedir() | |
3673 | */ | |
56e96539 | 3674 | void nfs_closedir(struct nfs_context *nfs, struct nfsdir *nfsdir) |
84004dbf | 3675 | { |
56e96539 | 3676 | nfs_dircache_add(nfs, nfsdir); |
84004dbf RS |
3677 | } |
3678 | ||
3679 | ||
f893b680 RS |
3680 | /* |
3681 | * getcwd() | |
3682 | */ | |
3683 | void nfs_getcwd(struct nfs_context *nfs, const char **cwd) | |
3684 | { | |
3685 | if (cwd) { | |
3686 | *cwd = nfs->cwd; | |
3687 | } | |
3688 | } | |
84004dbf RS |
3689 | |
3690 | ||
3691 | /* | |
3692 | * Async lseek() | |
3693 | */ | |
3694 | struct lseek_cb_data { | |
3695 | struct nfs_context *nfs; | |
3696 | struct nfsfh *nfsfh; | |
1f1b6cb0 | 3697 | int64_t offset; |
84004dbf RS |
3698 | nfs_cb cb; |
3699 | void *private_data; | |
3700 | }; | |
3701 | ||
f3a75078 | 3702 | static void nfs_lseek_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3703 | { |
3704 | GETATTR3res *res; | |
3705 | struct lseek_cb_data *data = private_data; | |
3706 | struct nfs_context *nfs = data->nfs; | |
1f1b6cb0 | 3707 | uint64_t size = 0; |
84004dbf | 3708 | |
f3a75078 RS |
3709 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3710 | ||
84004dbf RS |
3711 | if (status == RPC_STATUS_ERROR) { |
3712 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3713 | free(data); | |
3714 | return; | |
3715 | } | |
3716 | if (status == RPC_STATUS_CANCEL) { | |
3717 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3718 | free(data); | |
3719 | return; | |
3720 | } | |
3721 | ||
3722 | res = command_data; | |
3723 | if (res->status != NFS3_OK) { | |
3724 | rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3725 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3726 | free(data); | |
3727 | return; | |
3728 | } | |
3729 | ||
1f1b6cb0 AR |
3730 | size = res->GETATTR3res_u.resok.obj_attributes.size; |
3731 | ||
3732 | if (data->offset < 0 && | |
3733 | (uint64_t)(-data->offset) > size) { | |
3734 | data->cb(-EINVAL, nfs, &data->nfsfh->offset, data->private_data); | |
3735 | } else { | |
3736 | data->nfsfh->offset = data->offset + size; | |
3737 | data->cb(0, nfs, &data->nfsfh->offset, data->private_data); | |
3738 | } | |
3739 | ||
84004dbf RS |
3740 | free(data); |
3741 | } | |
3742 | ||
1f1b6cb0 | 3743 | int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int64_t offset, int whence, nfs_cb cb, void *private_data) |
84004dbf RS |
3744 | { |
3745 | struct lseek_cb_data *data; | |
463d59bf | 3746 | struct GETATTR3args args; |
84004dbf RS |
3747 | |
3748 | if (whence == SEEK_SET) { | |
1f1b6cb0 AR |
3749 | if (offset < 0) { |
3750 | cb(-EINVAL, nfs, &nfsfh->offset, private_data); | |
3751 | } else { | |
3752 | nfsfh->offset = offset; | |
3753 | cb(0, nfs, &nfsfh->offset, private_data); | |
3754 | } | |
84004dbf RS |
3755 | return 0; |
3756 | } | |
3757 | if (whence == SEEK_CUR) { | |
1f1b6cb0 AR |
3758 | if (offset < 0 && |
3759 | nfsfh->offset < (uint64_t)(-offset)) { | |
3760 | cb(-EINVAL, nfs, &nfsfh->offset, private_data); | |
3761 | } else { | |
3762 | nfsfh->offset += offset; | |
3763 | cb(0, nfs, &nfsfh->offset, private_data); | |
3764 | } | |
84004dbf RS |
3765 | return 0; |
3766 | } | |
3767 | ||
3768 | data = malloc(sizeof(struct lseek_cb_data)); | |
3769 | if (data == NULL) { | |
3770 | rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data"); | |
3771 | return -1; | |
3772 | } | |
3773 | ||
3774 | data->nfs = nfs; | |
3775 | data->nfsfh = nfsfh; | |
3776 | data->offset = offset; | |
3777 | data->cb = cb; | |
3778 | data->private_data = private_data; | |
3779 | ||
463d59bf | 3780 | memset(&args, 0, sizeof(GETATTR3args)); |
2452c57f | 3781 | args.object = nfsfh->fh; |
463d59bf RS |
3782 | |
3783 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lseek_1_cb, &args, data) != 0) { | |
84004dbf RS |
3784 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call"); |
3785 | free(data); | |
cbbf9d3e | 3786 | return -1; |
84004dbf RS |
3787 | } |
3788 | return 0; | |
3789 | } | |
3790 | ||
3791 | ||
3792 | ||
3793 | ||
3794 | /* | |
3795 | * Async statvfs() | |
3796 | */ | |
f3a75078 | 3797 | static void nfs_statvfs_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3798 | { |
3799 | FSSTAT3res *res; | |
3800 | struct nfs_cb_data *data = private_data; | |
3801 | struct nfs_context *nfs = data->nfs; | |
3802 | struct statvfs svfs; | |
3803 | ||
f3a75078 RS |
3804 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3805 | ||
84004dbf RS |
3806 | if (status == RPC_STATUS_ERROR) { |
3807 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3808 | free_nfs_cb_data(data); | |
3809 | return; | |
3810 | } | |
3811 | if (status == RPC_STATUS_CANCEL) { | |
3812 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3813 | free_nfs_cb_data(data); | |
3814 | return; | |
3815 | } | |
3816 | ||
3817 | res = command_data; | |
3818 | if (res->status != NFS3_OK) { | |
3819 | 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)); | |
3820 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3821 | free_nfs_cb_data(data); | |
3822 | return; | |
3823 | } | |
3824 | ||
3ca2aac9 PL |
3825 | svfs.f_bsize = NFS_BLKSIZE; |
3826 | svfs.f_frsize = NFS_BLKSIZE; | |
3827 | svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/NFS_BLKSIZE; | |
3828 | svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/NFS_BLKSIZE; | |
3829 | svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/NFS_BLKSIZE; | |
84004dbf RS |
3830 | svfs.f_files = res->FSSTAT3res_u.resok.tfiles; |
3831 | svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles; | |
252aa90d | 3832 | #if !defined(ANDROID) |
84004dbf RS |
3833 | svfs.f_favail = res->FSSTAT3res_u.resok.afiles; |
3834 | svfs.f_fsid = 0; | |
3835 | svfs.f_flag = 0; | |
3836 | svfs.f_namemax = 256; | |
252aa90d | 3837 | #endif |
84004dbf RS |
3838 | |
3839 | data->cb(0, nfs, &svfs, data->private_data); | |
3840 | free_nfs_cb_data(data); | |
3841 | } | |
3842 | ||
20379f03 | 3843 | static int nfs_statvfs_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 3844 | { |
0249c17b RS |
3845 | FSSTAT3args args; |
3846 | ||
3847 | args.fsroot = data->fh; | |
3848 | if (rpc_nfs3_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &args, data) != 0) { | |
84004dbf RS |
3849 | rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path); |
3850 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3851 | free_nfs_cb_data(data); | |
3852 | return -1; | |
3853 | } | |
3854 | return 0; | |
3855 | } | |
3856 | ||
3857 | int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3858 | { | |
1d151991 | 3859 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) { |
cbbf9d3e | 3860 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
3861 | return -1; |
3862 | } | |
3863 | ||
3864 | return 0; | |
3865 | } | |
3866 | ||
3867 | ||
3868 | ||
3869 | ||
3870 | /* | |
3871 | * Async readlink() | |
3872 | */ | |
f3a75078 | 3873 | static void nfs_readlink_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3874 | { |
3875 | READLINK3res *res; | |
3876 | struct nfs_cb_data *data = private_data; | |
3877 | struct nfs_context *nfs = data->nfs; | |
3878 | ||
f3a75078 RS |
3879 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3880 | ||
84004dbf RS |
3881 | if (status == RPC_STATUS_ERROR) { |
3882 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3883 | free_nfs_cb_data(data); | |
3884 | return; | |
3885 | } | |
3886 | if (status == RPC_STATUS_CANCEL) { | |
3887 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3888 | free_nfs_cb_data(data); | |
3889 | return; | |
3890 | } | |
3891 | ||
3892 | res = command_data; | |
3893 | if (res->status != NFS3_OK) { | |
3894 | 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)); | |
3895 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3896 | free_nfs_cb_data(data); | |
3897 | return; | |
3898 | } | |
3899 | ||
4b1ae88a | 3900 | |
84004dbf RS |
3901 | data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data); |
3902 | free_nfs_cb_data(data); | |
3903 | } | |
3904 | ||
20379f03 | 3905 | static int nfs_readlink_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 3906 | { |
16104b27 RS |
3907 | READLINK3args args; |
3908 | ||
2452c57f | 3909 | args.symlink = data->fh; |
16104b27 | 3910 | |
7cd23ccc | 3911 | if (rpc_nfs3_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) { |
84004dbf RS |
3912 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path); |
3913 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3914 | free_nfs_cb_data(data); | |
3915 | return -1; | |
3916 | } | |
3917 | return 0; | |
3918 | } | |
3919 | ||
3920 | int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3921 | { | |
1d151991 | 3922 | if (nfs_lookuppath_async(nfs, path, 1, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) { |
cbbf9d3e | 3923 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
3924 | return -1; |
3925 | } | |
3926 | ||
3927 | return 0; | |
3928 | } | |
3929 | ||
3930 | ||
3931 | ||
3932 | ||
3933 | /* | |
3934 | * Async chmod() | |
3935 | */ | |
f3a75078 | 3936 | static void nfs_chmod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3937 | { |
3938 | struct nfs_cb_data *data = private_data; | |
3939 | struct nfs_context *nfs = data->nfs; | |
3940 | SETATTR3res *res; | |
3941 | ||
f3a75078 RS |
3942 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3943 | ||
84004dbf RS |
3944 | if (status == RPC_STATUS_ERROR) { |
3945 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3946 | free_nfs_cb_data(data); | |
3947 | return; | |
3948 | } | |
3949 | if (status == RPC_STATUS_CANCEL) { | |
3950 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3951 | free_nfs_cb_data(data); | |
3952 | return; | |
3953 | } | |
3954 | ||
3955 | res = command_data; | |
3956 | if (res->status != NFS3_OK) { | |
3957 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3958 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3959 | free_nfs_cb_data(data); | |
3960 | return; | |
3961 | } | |
3962 | ||
3963 | data->cb(0, nfs, NULL, data->private_data); | |
3964 | free_nfs_cb_data(data); | |
3965 | } | |
3966 | ||
20379f03 | 3967 | static int nfs_chmod_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
3968 | { |
3969 | SETATTR3args args; | |
3970 | ||
ea98629a | 3971 | memset(&args, 0, sizeof(SETATTR3args)); |
2452c57f | 3972 | args.object = data->fh; |
84004dbf RS |
3973 | args.new_attributes.mode.set_it = 1; |
3974 | args.new_attributes.mode.set_mode3_u.mode = data->continue_int; | |
3975 | ||
b701254d | 3976 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) { |
84004dbf RS |
3977 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
3978 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3979 | free_nfs_cb_data(data); | |
3980 | return -1; | |
3981 | } | |
3982 | return 0; | |
3983 | } | |
3984 | ||
3985 | ||
8d590667 | 3986 | int nfs_chmod_async_internal(struct nfs_context *nfs, const char *path, int no_follow, int mode, nfs_cb cb, void *private_data) |
84004dbf | 3987 | { |
8d590667 | 3988 | if (nfs_lookuppath_async(nfs, path, no_follow, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) { |
cbbf9d3e | 3989 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
3990 | return -1; |
3991 | } | |
3992 | ||
3993 | return 0; | |
3994 | } | |
3995 | ||
8d590667 RL |
3996 | int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) |
3997 | { | |
8d4559dc | 3998 | return nfs_chmod_async_internal(nfs, path, 0, mode, cb, private_data); |
8d590667 RL |
3999 | } |
4000 | ||
4001 | int nfs_lchmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
4002 | { | |
8d4559dc | 4003 | return nfs_chmod_async_internal(nfs, path, 1, mode, cb, private_data); |
8d590667 RL |
4004 | } |
4005 | ||
84004dbf RS |
4006 | /* |
4007 | * Async fchmod() | |
4008 | */ | |
4009 | int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data) | |
4010 | { | |
4011 | struct nfs_cb_data *data; | |
4012 | ||
4013 | data = malloc(sizeof(struct nfs_cb_data)); | |
4014 | if (data == NULL) { | |
cbbf9d3e | 4015 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data"); |
84004dbf RS |
4016 | return -1; |
4017 | } | |
ea98629a | 4018 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
4019 | data->nfs = nfs; |
4020 | data->cb = cb; | |
4021 | data->private_data = private_data; | |
4022 | data->continue_int = mode; | |
4023 | data->fh.data.data_len = nfsfh->fh.data.data_len; | |
4024 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
4025 | if (data->fh.data.data_val == NULL) { | |
4026 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
4027 | free_nfs_cb_data(data); | |
4028 | return -1; | |
4029 | } | |
4030 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
4031 | ||
20379f03 | 4032 | if (nfs_chmod_continue_internal(nfs, NULL, data) != 0) { |
84004dbf RS |
4033 | return -1; |
4034 | } | |
4035 | ||
4036 | return 0; | |
4037 | } | |
4038 | ||
4039 | ||
4040 | ||
4041 | /* | |
4042 | * Async chown() | |
4043 | */ | |
f3a75078 | 4044 | static void nfs_chown_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4045 | { |
4046 | struct nfs_cb_data *data = private_data; | |
4047 | struct nfs_context *nfs = data->nfs; | |
4048 | SETATTR3res *res; | |
4049 | ||
f3a75078 RS |
4050 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4051 | ||
84004dbf RS |
4052 | if (status == RPC_STATUS_ERROR) { |
4053 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4054 | free_nfs_cb_data(data); | |
4055 | return; | |
4056 | } | |
4057 | if (status == RPC_STATUS_CANCEL) { | |
4058 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4059 | free_nfs_cb_data(data); | |
4060 | return; | |
4061 | } | |
4062 | ||
4063 | res = command_data; | |
4064 | if (res->status != NFS3_OK) { | |
4065 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
4066 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4067 | free_nfs_cb_data(data); | |
4068 | return; | |
4069 | } | |
4070 | ||
4071 | data->cb(0, nfs, NULL, data->private_data); | |
4072 | free_nfs_cb_data(data); | |
4073 | } | |
4074 | ||
4075 | struct nfs_chown_data { | |
4076 | uid_t uid; | |
4077 | gid_t gid; | |
4078 | }; | |
4079 | ||
20379f03 | 4080 | static int nfs_chown_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4081 | { |
4082 | SETATTR3args args; | |
4083 | struct nfs_chown_data *chown_data = data->continue_data; | |
4084 | ||
ea98629a | 4085 | memset(&args, 0, sizeof(SETATTR3args)); |
2452c57f | 4086 | args.object = data->fh; |
84004dbf RS |
4087 | if (chown_data->uid != (uid_t)-1) { |
4088 | args.new_attributes.uid.set_it = 1; | |
4089 | args.new_attributes.uid.set_uid3_u.uid = chown_data->uid; | |
4090 | } | |
4091 | if (chown_data->gid != (gid_t)-1) { | |
4092 | args.new_attributes.gid.set_it = 1; | |
4093 | args.new_attributes.gid.set_gid3_u.gid = chown_data->gid; | |
4094 | } | |
4095 | ||
b701254d | 4096 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) { |
84004dbf RS |
4097 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
4098 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4099 | free_nfs_cb_data(data); | |
4100 | return -1; | |
4101 | } | |
4102 | return 0; | |
4103 | } | |
4104 | ||
4105 | ||
5935a28a | 4106 | 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 |
4107 | { |
4108 | struct nfs_chown_data *chown_data; | |
4109 | ||
4110 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
4111 | if (chown_data == NULL) { | |
cbbf9d3e | 4112 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); |
84004dbf RS |
4113 | return -1; |
4114 | } | |
4115 | ||
4116 | chown_data->uid = uid; | |
4117 | chown_data->gid = gid; | |
4118 | ||
5935a28a | 4119 | if (nfs_lookuppath_async(nfs, path, no_follow, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) { |
cbbf9d3e | 4120 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
4121 | return -1; |
4122 | } | |
4123 | ||
4124 | return 0; | |
4125 | } | |
4126 | ||
5935a28a RL |
4127 | int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data) |
4128 | { | |
4129 | return nfs_chown_async_internal(nfs, path, 0, uid, gid, cb, private_data); | |
4130 | } | |
4131 | ||
4132 | int nfs_lchown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data) | |
4133 | { | |
4134 | return nfs_chown_async_internal(nfs, path, 1, uid, gid, cb, private_data); | |
4135 | } | |
84004dbf RS |
4136 | |
4137 | /* | |
4138 | * Async fchown() | |
4139 | */ | |
4140 | int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data) | |
4141 | { | |
4142 | struct nfs_cb_data *data; | |
4143 | struct nfs_chown_data *chown_data; | |
4144 | ||
4145 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
4146 | if (chown_data == NULL) { | |
cbbf9d3e | 4147 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); |
84004dbf RS |
4148 | return -1; |
4149 | } | |
4150 | ||
4151 | chown_data->uid = uid; | |
4152 | chown_data->gid = gid; | |
4153 | ||
84004dbf RS |
4154 | data = malloc(sizeof(struct nfs_cb_data)); |
4155 | if (data == NULL) { | |
cbbf9d3e | 4156 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data"); |
b6619d88 | 4157 | free(chown_data); |
84004dbf RS |
4158 | return -1; |
4159 | } | |
ea98629a | 4160 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
4161 | data->nfs = nfs; |
4162 | data->cb = cb; | |
4163 | data->private_data = private_data; | |
4164 | data->continue_data = chown_data; | |
6b1f14ca | 4165 | data->free_continue_data = free; |
84004dbf RS |
4166 | data->fh.data.data_len = nfsfh->fh.data.data_len; |
4167 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
4168 | if (data->fh.data.data_val == NULL) { | |
4169 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
4170 | free_nfs_cb_data(data); | |
4171 | return -1; | |
4172 | } | |
4173 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
4174 | ||
20379f03 | 4175 | if (nfs_chown_continue_internal(nfs, NULL, data) != 0) { |
84004dbf RS |
4176 | return -1; |
4177 | } | |
4178 | ||
4179 | return 0; | |
4180 | } | |
4181 | ||
4182 | ||
4183 | ||
4184 | ||
4185 | ||
4186 | /* | |
4187 | * Async utimes() | |
4188 | */ | |
f3a75078 | 4189 | static void nfs_utimes_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4190 | { |
4191 | struct nfs_cb_data *data = private_data; | |
4192 | struct nfs_context *nfs = data->nfs; | |
4193 | SETATTR3res *res; | |
4194 | ||
f3a75078 RS |
4195 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4196 | ||
84004dbf RS |
4197 | if (status == RPC_STATUS_ERROR) { |
4198 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4199 | free_nfs_cb_data(data); | |
4200 | return; | |
4201 | } | |
4202 | if (status == RPC_STATUS_CANCEL) { | |
4203 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4204 | free_nfs_cb_data(data); | |
4205 | return; | |
4206 | } | |
4207 | ||
4208 | res = command_data; | |
4209 | if (res->status != NFS3_OK) { | |
4210 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
4211 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4212 | free_nfs_cb_data(data); | |
4213 | return; | |
4214 | } | |
4215 | ||
4216 | data->cb(0, nfs, NULL, data->private_data); | |
4217 | free_nfs_cb_data(data); | |
4218 | } | |
4219 | ||
20379f03 | 4220 | static int nfs_utimes_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4221 | { |
4222 | SETATTR3args args; | |
4223 | struct timeval *utimes_data = data->continue_data; | |
4224 | ||
ea98629a | 4225 | memset(&args, 0, sizeof(SETATTR3args)); |
2452c57f | 4226 | args.object = data->fh; |
84004dbf RS |
4227 | if (utimes_data != NULL) { |
4228 | args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME; | |
4229 | args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec; | |
4230 | args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000; | |
4231 | args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME; | |
4232 | args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec; | |
4233 | args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000; | |
4234 | } else { | |
4235 | args.new_attributes.atime.set_it = SET_TO_SERVER_TIME; | |
4236 | args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME; | |
4237 | } | |
4238 | ||
b701254d | 4239 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) { |
84004dbf RS |
4240 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
4241 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4242 | free_nfs_cb_data(data); | |
4243 | return -1; | |
4244 | } | |
4245 | return 0; | |
4246 | } | |
4247 | ||
6505b539 | 4248 | 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 |
4249 | { |
4250 | struct timeval *new_times = NULL; | |
4251 | ||
4252 | if (times != NULL) { | |
4253 | new_times = malloc(sizeof(struct timeval)*2); | |
4254 | if (new_times == NULL) { | |
cbbf9d3e | 4255 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); |
84004dbf RS |
4256 | return -1; |
4257 | } | |
4258 | ||
4259 | memcpy(new_times, times, sizeof(struct timeval)*2); | |
4260 | } | |
4261 | ||
6505b539 | 4262 | if (nfs_lookuppath_async(nfs, path, no_follow, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { |
cbbf9d3e | 4263 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
4264 | return -1; |
4265 | } | |
4266 | ||
4267 | return 0; | |
4268 | } | |
4269 | ||
6505b539 RL |
4270 | int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data) |
4271 | { | |
4272 | return nfs_utimes_async_internal(nfs, path, 0, times, cb, private_data); | |
4273 | } | |
4274 | ||
4275 | int nfs_lutimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data) | |
4276 | { | |
4277 | return nfs_utimes_async_internal(nfs, path, 1, times, cb, private_data); | |
4278 | } | |
4279 | ||
84004dbf RS |
4280 | /* |
4281 | * Async utime() | |
4282 | */ | |
4283 | int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data) | |
4284 | { | |
4285 | struct timeval *new_times = NULL; | |
4286 | ||
4287 | if (times != NULL) { | |
4288 | new_times = malloc(sizeof(struct timeval)*2); | |
4289 | if (new_times == NULL) { | |
cbbf9d3e | 4290 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); |
84004dbf RS |
4291 | return -1; |
4292 | } | |
4293 | ||
4294 | new_times[0].tv_sec = times->actime; | |
4295 | new_times[0].tv_usec = 0; | |
4296 | new_times[1].tv_sec = times->modtime; | |
4297 | new_times[1].tv_usec = 0; | |
4298 | } | |
4299 | ||
1d151991 | 4300 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { |
cbbf9d3e | 4301 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
4302 | return -1; |
4303 | } | |
4304 | ||
4305 | return 0; | |
4306 | } | |
84004dbf RS |
4307 | |
4308 | ||
4309 | /* | |
4310 | * Async access() | |
4311 | */ | |
f3a75078 | 4312 | static void nfs_access_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4313 | { |
4314 | ACCESS3res *res; | |
4315 | struct nfs_cb_data *data = private_data; | |
4316 | struct nfs_context *nfs = data->nfs; | |
4317 | unsigned int nfsmode = 0; | |
4318 | ||
f3a75078 RS |
4319 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4320 | ||
84004dbf RS |
4321 | if (status == RPC_STATUS_ERROR) { |
4322 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4323 | free_nfs_cb_data(data); | |
4324 | return; | |
4325 | } | |
4326 | if (status == RPC_STATUS_CANCEL) { | |
4327 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4328 | free_nfs_cb_data(data); | |
4329 | return; | |
4330 | } | |
4331 | ||
4332 | res = command_data; | |
4333 | if (res->status != NFS3_OK) { | |
4334 | 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)); | |
4335 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4336 | free_nfs_cb_data(data); | |
4337 | return; | |
4338 | } | |
4339 | ||
4340 | if (data->continue_int & R_OK) { | |
4341 | nfsmode |= ACCESS3_READ; | |
4342 | } | |
4343 | if (data->continue_int & W_OK) { | |
4344 | nfsmode |= ACCESS3_MODIFY; | |
4345 | } | |
4346 | if (data->continue_int & X_OK) { | |
4347 | nfsmode |= ACCESS3_EXECUTE; | |
4348 | } | |
4349 | ||
4350 | if (res->ACCESS3res_u.resok.access != nfsmode) { | |
4351 | rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c", | |
4352 | nfsmode&ACCESS3_READ?'r':'-', | |
4353 | nfsmode&ACCESS3_MODIFY?'w':'-', | |
4354 | nfsmode&ACCESS3_EXECUTE?'x':'-', | |
4355 | res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-', | |
4356 | res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-', | |
4357 | res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-'); | |
4358 | data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4359 | free_nfs_cb_data(data); | |
4360 | return; | |
4361 | } | |
4362 | ||
4363 | data->cb(0, nfs, NULL, data->private_data); | |
4364 | free_nfs_cb_data(data); | |
4365 | } | |
4366 | ||
20379f03 | 4367 | static int nfs_access_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4368 | { |
4369 | int nfsmode = 0; | |
463d59bf | 4370 | ACCESS3args args; |
84004dbf RS |
4371 | |
4372 | if (data->continue_int & R_OK) { | |
4373 | nfsmode |= ACCESS3_READ; | |
4374 | } | |
4375 | if (data->continue_int & W_OK) { | |
4376 | nfsmode |= ACCESS3_MODIFY; | |
4377 | } | |
4378 | if (data->continue_int & X_OK) { | |
4379 | nfsmode |= ACCESS3_EXECUTE; | |
4380 | } | |
4381 | ||
463d59bf | 4382 | memset(&args, 0, sizeof(ACCESS3args)); |
2452c57f | 4383 | args.object = data->fh; |
463d59bf RS |
4384 | args.access = nfsmode; |
4385 | ||
4386 | if (rpc_nfs3_access_async(nfs->rpc, nfs_access_cb, &args, data) != 0) { | |
84004dbf RS |
4387 | rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path); |
4388 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4389 | free_nfs_cb_data(data); | |
4390 | return -1; | |
4391 | } | |
4392 | return 0; | |
4393 | } | |
4394 | ||
4395 | int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
4396 | { | |
1d151991 | 4397 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) { |
cbbf9d3e RS |
4398 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
4399 | return -1; | |
84004dbf RS |
4400 | } |
4401 | ||
4402 | return 0; | |
4403 | } | |
4404 | ||
4405 | ||
4406 | ||
4407 | /* | |
4408 | * Async symlink() | |
4409 | */ | |
4410 | struct nfs_symlink_data { | |
4411 | char *oldpath; | |
4412 | char *newpathparent; | |
4413 | char *newpathobject; | |
4414 | }; | |
4415 | ||
4416 | static void free_nfs_symlink_data(void *mem) | |
4417 | { | |
4418 | struct nfs_symlink_data *data = mem; | |
4419 | ||
4420 | if (data->oldpath != NULL) { | |
4421 | free(data->oldpath); | |
4422 | } | |
4423 | if (data->newpathparent != NULL) { | |
4424 | free(data->newpathparent); | |
4425 | } | |
4426 | if (data->newpathobject != NULL) { | |
4427 | free(data->newpathobject); | |
4428 | } | |
4429 | free(data); | |
4430 | } | |
4431 | ||
f3a75078 | 4432 | static void nfs_symlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4433 | { |
4434 | SYMLINK3res *res; | |
4435 | struct nfs_cb_data *data = private_data; | |
4436 | struct nfs_context *nfs = data->nfs; | |
4437 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
4b1ae88a | 4438 | |
f3a75078 RS |
4439 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4440 | ||
84004dbf RS |
4441 | if (status == RPC_STATUS_ERROR) { |
4442 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4443 | free_nfs_cb_data(data); | |
4444 | return; | |
4445 | } | |
4446 | if (status == RPC_STATUS_CANCEL) { | |
4447 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4448 | free_nfs_cb_data(data); | |
4449 | return; | |
4450 | } | |
4451 | ||
4452 | res = command_data; | |
4453 | if (res->status != NFS3_OK) { | |
4454 | 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)); | |
4455 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4456 | free_nfs_cb_data(data); | |
4457 | return; | |
4458 | } | |
4459 | ||
4460 | data->cb(0, nfs, NULL, data->private_data); | |
4461 | free_nfs_cb_data(data); | |
4462 | } | |
4463 | ||
20379f03 | 4464 | static int nfs_symlink_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4465 | { |
4466 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
87f81c85 | 4467 | SYMLINK3args args; |
84004dbf | 4468 | |
87f81c85 | 4469 | memset(&args, 0, sizeof(SYMLINK3args)); |
2452c57f | 4470 | args.where.dir = data->fh; |
87f81c85 RS |
4471 | args.where.name = symlink_data->newpathobject; |
4472 | args.symlink.symlink_attributes.mode.set_it = 1; | |
4473 | 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; | |
4474 | args.symlink.symlink_data = symlink_data->oldpath; | |
8e255816 | 4475 | |
87f81c85 | 4476 | if (rpc_nfs3_symlink_async(nfs->rpc, nfs_symlink_cb, &args, data) != 0) { |
84004dbf RS |
4477 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path); |
4478 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4479 | free_nfs_cb_data(data); | |
4480 | return -1; | |
4481 | } | |
4482 | return 0; | |
4483 | } | |
4484 | ||
4485 | int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
4486 | { | |
4487 | char *ptr; | |
4488 | struct nfs_symlink_data *symlink_data; | |
4489 | ||
4490 | symlink_data = malloc(sizeof(struct nfs_symlink_data)); | |
4491 | if (symlink_data == NULL) { | |
cbbf9d3e | 4492 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data"); |
84004dbf RS |
4493 | return -1; |
4494 | } | |
ea98629a | 4495 | memset(symlink_data, 0, sizeof(struct nfs_symlink_data)); |
84004dbf RS |
4496 | |
4497 | symlink_data->oldpath = strdup(oldpath); | |
4498 | if (symlink_data->oldpath == NULL) { | |
cbbf9d3e | 4499 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 4500 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 4501 | return -1; |
84004dbf RS |
4502 | } |
4503 | ||
4504 | symlink_data->newpathparent = strdup(newpath); | |
4505 | if (symlink_data->newpathparent == NULL) { | |
cbbf9d3e | 4506 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); |
84004dbf | 4507 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 4508 | return -1; |
84004dbf RS |
4509 | } |
4510 | ||
93e9306f | 4511 | ptr = strrchr(symlink_data->newpathparent, '/'); |
84004dbf | 4512 | if (ptr == NULL) { |
cbbf9d3e | 4513 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); |
84004dbf | 4514 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 4515 | return -1; |
84004dbf RS |
4516 | } |
4517 | *ptr = 0; | |
4518 | ptr++; | |
4519 | ||
4520 | symlink_data->newpathobject = strdup(ptr); | |
4521 | if (symlink_data->newpathobject == NULL) { | |
cbbf9d3e | 4522 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); |
84004dbf | 4523 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 4524 | return -1; |
84004dbf RS |
4525 | } |
4526 | ||
1d151991 | 4527 | 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 |
4528 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
4529 | return -1; | |
84004dbf RS |
4530 | } |
4531 | ||
4532 | return 0; | |
4533 | } | |
4534 | ||
4535 | ||
4536 | ||
4537 | /* | |
4538 | * Async rename() | |
4539 | */ | |
4540 | struct nfs_rename_data { | |
4541 | char *oldpath; | |
4542 | char *oldobject; | |
4543 | struct nfs_fh3 olddir; | |
4544 | char *newpath; | |
4545 | char *newobject; | |
4546 | struct nfs_fh3 newdir; | |
4547 | }; | |
4548 | ||
4549 | static void free_nfs_rename_data(void *mem) | |
4550 | { | |
4551 | struct nfs_rename_data *data = mem; | |
4552 | ||
4553 | if (data->oldpath != NULL) { | |
4554 | free(data->oldpath); | |
4555 | } | |
4556 | if (data->olddir.data.data_val != NULL) { | |
4557 | free(data->olddir.data.data_val); | |
4558 | } | |
4559 | if (data->newpath != NULL) { | |
4560 | free(data->newpath); | |
4561 | } | |
4562 | if (data->newdir.data.data_val != NULL) { | |
4563 | free(data->newdir.data.data_val); | |
4564 | } | |
4565 | free(data); | |
4566 | } | |
4567 | ||
f3a75078 | 4568 | static void nfs_rename_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4569 | { |
4570 | RENAME3res *res; | |
4571 | struct nfs_cb_data *data = private_data; | |
4572 | struct nfs_context *nfs = data->nfs; | |
4573 | struct nfs_rename_data *rename_data = data->continue_data; | |
4b1ae88a | 4574 | |
f3a75078 RS |
4575 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4576 | ||
84004dbf RS |
4577 | if (status == RPC_STATUS_ERROR) { |
4578 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4579 | free_nfs_cb_data(data); | |
4580 | return; | |
4581 | } | |
4582 | if (status == RPC_STATUS_CANCEL) { | |
4583 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4584 | free_nfs_cb_data(data); | |
4585 | return; | |
4586 | } | |
4587 | ||
4588 | res = command_data; | |
4589 | if (res->status != NFS3_OK) { | |
4590 | 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)); | |
4591 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4592 | free_nfs_cb_data(data); | |
4593 | return; | |
4594 | } | |
4595 | ||
4596 | data->cb(0, nfs, NULL, data->private_data); | |
4597 | free_nfs_cb_data(data); | |
4598 | } | |
4599 | ||
20379f03 | 4600 | static int nfs_rename_continue_2_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4601 | { |
4602 | struct nfs_rename_data *rename_data = data->continue_data; | |
5940c705 | 4603 | RENAME3args args; |
84004dbf RS |
4604 | |
4605 | /* steal the filehandle */ | |
2452c57f | 4606 | rename_data->newdir = data->fh; |
84004dbf RS |
4607 | data->fh.data.data_val = NULL; |
4608 | ||
5940c705 RS |
4609 | args.from.dir = rename_data->olddir; |
4610 | args.from.name = rename_data->oldobject; | |
4611 | args.to.dir = rename_data->newdir; | |
4612 | args.to.name = rename_data->newobject; | |
4613 | if (rpc_nfs3_rename_async(nfs->rpc, nfs_rename_cb, &args, data) != 0) { | |
84004dbf RS |
4614 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path); |
4615 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4616 | free_nfs_cb_data(data); | |
4617 | return -1; | |
4618 | } | |
4619 | return 0; | |
4620 | } | |
4621 | ||
4622 | ||
20379f03 | 4623 | static int nfs_rename_continue_1_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4624 | { |
4625 | struct nfs_rename_data *rename_data = data->continue_data; | |
766bb4af AR |
4626 | char* newpath = strdup(rename_data->newpath); |
4627 | if (!newpath) { | |
4628 | rpc_set_error(nfs->rpc, "Out of memory. Could not allocate memory to store target path for rename"); | |
4629 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4630 | free_nfs_cb_data(data); | |
4631 | return -1; | |
4632 | } | |
84004dbf RS |
4633 | |
4634 | /* steal the filehandle */ | |
2452c57f | 4635 | rename_data->olddir = data->fh; |
84004dbf RS |
4636 | data->fh.data.data_val = NULL; |
4637 | ||
1d151991 | 4638 | 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 | 4639 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", newpath); |
84004dbf RS |
4640 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
4641 | free_nfs_cb_data(data); | |
766bb4af | 4642 | free(newpath); |
84004dbf RS |
4643 | return -1; |
4644 | } | |
4645 | data->continue_data = NULL; | |
4646 | free_nfs_cb_data(data); | |
766bb4af | 4647 | free(newpath); |
84004dbf RS |
4648 | |
4649 | return 0; | |
4650 | } | |
4651 | ||
4652 | ||
4653 | int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
4654 | { | |
4655 | char *ptr; | |
4656 | struct nfs_rename_data *rename_data; | |
4657 | ||
4658 | rename_data = malloc(sizeof(struct nfs_rename_data)); | |
4659 | if (rename_data == NULL) { | |
cbbf9d3e | 4660 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data"); |
84004dbf RS |
4661 | return -1; |
4662 | } | |
ea98629a | 4663 | memset(rename_data, 0, sizeof(struct nfs_rename_data)); |
84004dbf RS |
4664 | |
4665 | rename_data->oldpath = strdup(oldpath); | |
4666 | if (rename_data->oldpath == NULL) { | |
cbbf9d3e | 4667 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 4668 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 4669 | return -1; |
84004dbf | 4670 | } |
93e9306f | 4671 | ptr = strrchr(rename_data->oldpath, '/'); |
84004dbf | 4672 | if (ptr == NULL) { |
cbbf9d3e | 4673 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); |
84004dbf | 4674 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 4675 | return -1; |
84004dbf RS |
4676 | } |
4677 | *ptr = 0; | |
4678 | ptr++; | |
4679 | rename_data->oldobject = ptr; | |
4680 | ||
4681 | ||
4682 | rename_data->newpath = strdup(newpath); | |
4683 | if (rename_data->newpath == NULL) { | |
cbbf9d3e | 4684 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); |
84004dbf | 4685 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 4686 | return -1; |
84004dbf | 4687 | } |
93e9306f | 4688 | ptr = strrchr(rename_data->newpath, '/'); |
84004dbf | 4689 | if (ptr == NULL) { |
cbbf9d3e | 4690 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); |
84004dbf | 4691 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 4692 | return -1; |
84004dbf RS |
4693 | } |
4694 | *ptr = 0; | |
4695 | ptr++; | |
4696 | rename_data->newobject = ptr; | |
4697 | ||
4698 | ||
1d151991 | 4699 | 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 |
4700 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
4701 | return -1; | |
84004dbf RS |
4702 | } |
4703 | ||
4704 | return 0; | |
4705 | } | |
4706 | ||
4707 | ||
4708 | /* | |
4709 | * Async link() | |
4710 | */ | |
4711 | struct nfs_link_data { | |
4712 | char *oldpath; | |
4713 | struct nfs_fh3 oldfh; | |
4714 | char *newpath; | |
4715 | char *newobject; | |
4716 | struct nfs_fh3 newdir; | |
4717 | }; | |
4718 | ||
4719 | static void free_nfs_link_data(void *mem) | |
4720 | { | |
4721 | struct nfs_link_data *data = mem; | |
4722 | ||
4723 | if (data->oldpath != NULL) { | |
4724 | free(data->oldpath); | |
4725 | } | |
4726 | if (data->oldfh.data.data_val != NULL) { | |
4727 | free(data->oldfh.data.data_val); | |
4728 | } | |
4729 | if (data->newpath != NULL) { | |
4730 | free(data->newpath); | |
4731 | } | |
4732 | if (data->newdir.data.data_val != NULL) { | |
4733 | free(data->newdir.data.data_val); | |
4734 | } | |
4735 | free(data); | |
4736 | } | |
4737 | ||
f3a75078 | 4738 | static void nfs_link_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4739 | { |
4740 | LINK3res *res; | |
4741 | struct nfs_cb_data *data = private_data; | |
4742 | struct nfs_context *nfs = data->nfs; | |
4743 | struct nfs_link_data *link_data = data->continue_data; | |
4b1ae88a | 4744 | |
f3a75078 RS |
4745 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4746 | ||
84004dbf RS |
4747 | if (status == RPC_STATUS_ERROR) { |
4748 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4749 | free_nfs_cb_data(data); | |
4750 | return; | |
4751 | } | |
4752 | if (status == RPC_STATUS_CANCEL) { | |
4753 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4754 | free_nfs_cb_data(data); | |
4755 | return; | |
4756 | } | |
4757 | ||
4758 | res = command_data; | |
4759 | if (res->status != NFS3_OK) { | |
4760 | 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)); | |
4761 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4762 | free_nfs_cb_data(data); | |
4763 | return; | |
4764 | } | |
4765 | ||
4766 | data->cb(0, nfs, NULL, data->private_data); | |
4767 | free_nfs_cb_data(data); | |
4768 | } | |
4769 | ||
20379f03 | 4770 | static int nfs_link_continue_2_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4771 | { |
4772 | struct nfs_link_data *link_data = data->continue_data; | |
560f9434 | 4773 | LINK3args args; |
84004dbf RS |
4774 | |
4775 | /* steal the filehandle */ | |
2452c57f | 4776 | link_data->newdir = data->fh; |
84004dbf RS |
4777 | data->fh.data.data_val = NULL; |
4778 | ||
560f9434 RS |
4779 | memset(&args, 0, sizeof(LINK3args)); |
4780 | args.file = link_data->oldfh; | |
4781 | args.link.dir = link_data->newdir; | |
4782 | args.link.name = link_data->newobject; | |
4783 | if (rpc_nfs3_link_async(nfs->rpc, nfs_link_cb, &args, data) != 0) { | |
84004dbf RS |
4784 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path); |
4785 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4786 | free_nfs_cb_data(data); | |
4787 | return -1; | |
4788 | } | |
4789 | return 0; | |
4790 | } | |
4791 | ||
4792 | ||
20379f03 | 4793 | static int nfs_link_continue_1_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4794 | { |
4795 | struct nfs_link_data *link_data = data->continue_data; | |
4796 | ||
4797 | /* steal the filehandle */ | |
2452c57f | 4798 | link_data->oldfh = data->fh; |
84004dbf RS |
4799 | data->fh.data.data_val = NULL; |
4800 | ||
1d151991 | 4801 | 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 |
4802 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath); |
4803 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4804 | free_nfs_cb_data(data); | |
4805 | return -1; | |
4806 | } | |
4807 | data->continue_data = NULL; | |
4808 | free_nfs_cb_data(data); | |
4809 | ||
4810 | return 0; | |
4811 | } | |
4812 | ||
4813 | ||
4814 | int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
4815 | { | |
4816 | char *ptr; | |
4817 | struct nfs_link_data *link_data; | |
4818 | ||
4819 | link_data = malloc(sizeof(struct nfs_link_data)); | |
4820 | if (link_data == NULL) { | |
cbbf9d3e | 4821 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data"); |
84004dbf RS |
4822 | return -1; |
4823 | } | |
ea98629a | 4824 | memset(link_data, 0, sizeof(struct nfs_link_data)); |
84004dbf RS |
4825 | |
4826 | link_data->oldpath = strdup(oldpath); | |
4827 | if (link_data->oldpath == NULL) { | |
cbbf9d3e | 4828 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 4829 | free_nfs_link_data(link_data); |
cbbf9d3e | 4830 | return -1; |
84004dbf RS |
4831 | } |
4832 | ||
4833 | link_data->newpath = strdup(newpath); | |
4834 | if (link_data->newpath == NULL) { | |
cbbf9d3e | 4835 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); |
84004dbf | 4836 | free_nfs_link_data(link_data); |
cbbf9d3e | 4837 | return -1; |
84004dbf | 4838 | } |
93e9306f | 4839 | ptr = strrchr(link_data->newpath, '/'); |
84004dbf | 4840 | if (ptr == NULL) { |
cbbf9d3e | 4841 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); |
84004dbf | 4842 | free_nfs_link_data(link_data); |
cbbf9d3e | 4843 | return -1; |
84004dbf RS |
4844 | } |
4845 | *ptr = 0; | |
4846 | ptr++; | |
4847 | link_data->newobject = ptr; | |
4848 | ||
4849 | ||
1d151991 | 4850 | 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 |
4851 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
4852 | return -1; | |
84004dbf RS |
4853 | } |
4854 | ||
4855 | return 0; | |
4856 | } | |
4857 | ||
4858 | ||
4859 | //qqq replace later with lseek() | |
183451cf | 4860 | uint64_t nfs_get_current_offset(struct nfsfh *nfsfh) |
84004dbf RS |
4861 | { |
4862 | return nfsfh->offset; | |
4863 | } | |
4864 | ||
17ef62fa RS |
4865 | |
4866 | ||
4867 | /* | |
4868 | * Get the maximum supported READ3 size by the server | |
4869 | */ | |
183451cf | 4870 | uint64_t nfs_get_readmax(struct nfs_context *nfs) |
17ef62fa RS |
4871 | { |
4872 | return nfs->readmax; | |
4873 | } | |
4874 | ||
4875 | /* | |
4876 | * Get the maximum supported WRITE3 size by the server | |
4877 | */ | |
183451cf | 4878 | uint64_t nfs_get_writemax(struct nfs_context *nfs) |
17ef62fa | 4879 | { |
e7f3a781 | 4880 | return nfs->writemax; |
17ef62fa | 4881 | } |
1896d37b | 4882 | |
d43a8953 PL |
4883 | void nfs_set_tcp_syncnt(struct nfs_context *nfs, int v) { |
4884 | rpc_set_tcp_syncnt(nfs->rpc, v); | |
4885 | } | |
4886 | ||
4887 | void nfs_set_uid(struct nfs_context *nfs, int uid) { | |
4888 | rpc_set_uid(nfs->rpc, uid); | |
4889 | } | |
4890 | ||
4891 | void nfs_set_gid(struct nfs_context *nfs, int gid) { | |
4892 | rpc_set_gid(nfs->rpc, gid); | |
4893 | } | |
4894 | ||
3ca2aac9 PL |
4895 | void nfs_set_readahead(struct nfs_context *nfs, uint32_t v) { |
4896 | rpc_set_readahead(nfs->rpc, v); | |
4897 | } | |
4898 | ||
1896d37b RS |
4899 | void nfs_set_error(struct nfs_context *nfs, char *error_string, ...) |
4900 | { | |
4901 | va_list ap; | |
1e8994af | 4902 | char *str = NULL; |
1896d37b | 4903 | |
1e8994af | 4904 | va_start(ap, error_string); |
2606f9bb RS |
4905 | str = malloc(1024); |
4906 | vsnprintf(str, 1024, error_string, ap); | |
1896d37b RS |
4907 | if (nfs->rpc->error_string != NULL) { |
4908 | free(nfs->rpc->error_string); | |
4909 | } | |
1896d37b | 4910 | nfs->rpc->error_string = str; |
f893b680 | 4911 | va_end(ap); |
1896d37b | 4912 | } |
7f0242ca RS |
4913 | |
4914 | ||
4915 | ||
4916 | struct mount_cb_data { | |
4917 | rpc_cb cb; | |
4918 | void *private_data; | |
4919 | char *server; | |
4920 | }; | |
4921 | ||
4922 | static void free_mount_cb_data(struct mount_cb_data *data) | |
4923 | { | |
4924 | if (data->server != NULL) { | |
4925 | free(data->server); | |
4926 | data->server = NULL; | |
4927 | } | |
4928 | ||
4929 | free(data); | |
4930 | } | |
4931 | ||
4932 | static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
4933 | { | |
4934 | struct mount_cb_data *data = private_data; | |
4935 | ||
f3a75078 RS |
4936 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4937 | ||
4938 | if (status == RPC_STATUS_ERROR) { | |
7f0242ca RS |
4939 | data->cb(rpc, -EFAULT, command_data, data->private_data); |
4940 | free_mount_cb_data(data); | |
4941 | return; | |
4942 | } | |
4943 | if (status == RPC_STATUS_CANCEL) { | |
4944 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
4945 | free_mount_cb_data(data); | |
4946 | return; | |
4947 | } | |
4948 | ||
4949 | data->cb(rpc, 0, command_data, data->private_data); | |
4950 | if (rpc_disconnect(rpc, "normal disconnect") != 0) { | |
4951 | rpc_set_error(rpc, "Failed to disconnect\n"); | |
4952 | } | |
4953 | free_mount_cb_data(data); | |
4954 | } | |
4955 | ||
4956 | static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
4957 | { | |
4958 | struct mount_cb_data *data = private_data; | |
4959 | ||
f3a75078 RS |
4960 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4961 | ||
14a062eb RS |
4962 | /* Dont want any more callbacks even if the socket is closed */ |
4963 | rpc->connect_cb = NULL; | |
4964 | ||
4b1ae88a | 4965 | if (status == RPC_STATUS_ERROR) { |
7f0242ca RS |
4966 | data->cb(rpc, -EFAULT, command_data, data->private_data); |
4967 | free_mount_cb_data(data); | |
4968 | return; | |
4969 | } | |
4970 | if (status == RPC_STATUS_CANCEL) { | |
4971 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
4972 | free_mount_cb_data(data); | |
4973 | return; | |
4974 | } | |
4975 | ||
eda77ec3 | 4976 | if (rpc_mount3_export_async(rpc, mount_export_5_cb, data) != 0) { |
7f0242ca RS |
4977 | data->cb(rpc, -ENOMEM, command_data, data->private_data); |
4978 | free_mount_cb_data(data); | |
4979 | return; | |
4980 | } | |
4981 | } | |
4982 | ||
7f0242ca RS |
4983 | int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data) |
4984 | { | |
4985 | struct mount_cb_data *data; | |
4986 | ||
f3a75078 RS |
4987 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4988 | ||
7f0242ca RS |
4989 | data = malloc(sizeof(struct mount_cb_data)); |
4990 | if (data == NULL) { | |
4991 | return -1; | |
4992 | } | |
ea98629a | 4993 | memset(data, 0, sizeof(struct mount_cb_data)); |
7f0242ca RS |
4994 | data->cb = cb; |
4995 | data->private_data = private_data; | |
4996 | data->server = strdup(server); | |
4997 | if (data->server == NULL) { | |
4998 | free_mount_cb_data(data); | |
4999 | return -1; | |
4b1ae88a | 5000 | } |
2a32a899 RS |
5001 | if (rpc_connect_program_async(rpc, data->server, MOUNT_PROGRAM, MOUNT_V3, mount_export_4_cb, data) != 0) { |
5002 | rpc_set_error(rpc, "Failed to start connection"); | |
7f0242ca RS |
5003 | free_mount_cb_data(data); |
5004 | return -1; | |
5005 | } | |
5006 | ||
5007 | return 0; | |
5008 | } | |
5009 | ||
df5af25f RS |
5010 | struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs) |
5011 | { | |
f3a75078 | 5012 | assert(nfs->rpc->magic == RPC_CONTEXT_MAGIC); |
df5af25f RS |
5013 | return nfs->rpc; |
5014 | } | |
5015 | ||
b077fdeb RS |
5016 | const char *nfs_get_server(struct nfs_context *nfs) { |
5017 | return nfs->server; | |
5018 | } | |
5019 | ||
5020 | const char *nfs_get_export(struct nfs_context *nfs) { | |
5021 | return nfs->export; | |
5022 | } | |
0ad9a1f1 | 5023 | |
8724c833 RS |
5024 | const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) { |
5025 | return &nfs->rootfh; | |
5026 | } | |
fa3c25be RS |
5027 | |
5028 | struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) { | |
5029 | return &nfsfh->fh; | |
5030 | } |