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 RS |
75 | #include <errno.h> |
76 | #include <sys/types.h> | |
77 | #include <sys/stat.h> | |
84004dbf | 78 | #include <fcntl.h> |
763cd6e3 | 79 | #include "libnfs-zdr.h" |
56e96539 | 80 | #include "slist.h" |
84004dbf RS |
81 | #include "libnfs.h" |
82 | #include "libnfs-raw.h" | |
83 | #include "libnfs-raw-mount.h" | |
84 | #include "libnfs-raw-nfs.h" | |
6c60e282 | 85 | #include "libnfs-raw-portmap.h" |
1896d37b RS |
86 | #include "libnfs-private.h" |
87 | ||
07d06b25 | 88 | #define MAX_DIR_CACHE 128 |
1d151991 | 89 | #define MAX_LINK_COUNT 40 |
56e96539 | 90 | |
1896d37b | 91 | struct nfsdir { |
56e96539 RS |
92 | struct nfs_fh3 fh; |
93 | fattr3 attr; | |
94 | struct nfsdir *next; | |
95 | ||
1896d37b RS |
96 | struct nfsdirent *entries; |
97 | struct nfsdirent *current; | |
98 | }; | |
84004dbf | 99 | |
3ca2aac9 PL |
100 | struct nfs_readahead { |
101 | uint64_t fh_offset; | |
102 | uint64_t last_offset; | |
103 | uint64_t buf_offset; | |
104 | uint64_t buf_count; | |
105 | time_t buf_ts; | |
106 | void *buf; | |
107 | uint32_t cur_ra; | |
108 | }; | |
109 | ||
84004dbf RS |
110 | struct nfsfh { |
111 | struct nfs_fh3 fh; | |
112 | int is_sync; | |
548e2bea | 113 | int is_append; |
183451cf | 114 | uint64_t offset; |
3ca2aac9 | 115 | struct nfs_readahead ra; |
84004dbf RS |
116 | }; |
117 | ||
1896d37b RS |
118 | struct nfs_context { |
119 | struct rpc_context *rpc; | |
120 | char *server; | |
121 | char *export; | |
122 | struct nfs_fh3 rootfh; | |
183451cf RS |
123 | uint64_t readmax; |
124 | uint64_t writemax; | |
f893b680 | 125 | char *cwd; |
56e96539 | 126 | struct nfsdir *dircache; |
84004dbf RS |
127 | }; |
128 | ||
129 | void nfs_free_nfsdir(struct nfsdir *nfsdir) | |
130 | { | |
131 | while (nfsdir->entries) { | |
132 | struct nfsdirent *dirent = nfsdir->entries->next; | |
133 | if (nfsdir->entries->name != NULL) { | |
134 | free(nfsdir->entries->name); | |
135 | } | |
136 | free(nfsdir->entries); | |
137 | nfsdir->entries = dirent; | |
138 | } | |
56e96539 | 139 | free(nfsdir->fh.data.data_val); |
84004dbf RS |
140 | free(nfsdir); |
141 | } | |
142 | ||
56e96539 RS |
143 | static void nfs_dircache_add(struct nfs_context *nfs, struct nfsdir *nfsdir) |
144 | { | |
145 | int i; | |
146 | LIBNFS_LIST_ADD(&nfs->dircache, nfsdir); | |
147 | ||
148 | for (nfsdir = nfs->dircache, i = 0; nfsdir; nfsdir = nfsdir->next, i++) { | |
149 | if (i > MAX_DIR_CACHE) { | |
150 | LIBNFS_LIST_REMOVE(&nfs->dircache, nfsdir); | |
151 | nfs_free_nfsdir(nfsdir); | |
152 | break; | |
153 | } | |
154 | } | |
155 | } | |
156 | ||
157 | static struct nfsdir *nfs_dircache_find(struct nfs_context *nfs, struct nfs_fh3 *fh) | |
158 | { | |
159 | struct nfsdir *nfsdir; | |
160 | ||
161 | for (nfsdir = nfs->dircache; nfsdir; nfsdir = nfsdir->next) { | |
162 | if (nfsdir->fh.data.data_len == fh->data.data_len && | |
163 | !memcmp(nfsdir->fh.data.data_val, fh->data.data_val, fh->data.data_len)) { | |
164 | LIBNFS_LIST_REMOVE(&nfs->dircache, nfsdir); | |
165 | return nfsdir; | |
166 | } | |
167 | } | |
168 | ||
169 | return NULL; | |
170 | } | |
171 | ||
84004dbf | 172 | struct nfs_cb_data; |
20379f03 RS |
173 | typedef int (*continue_func)(struct nfs_context *nfs, fattr3 *attr, |
174 | struct nfs_cb_data *data); | |
84004dbf RS |
175 | |
176 | struct nfs_cb_data { | |
177 | struct nfs_context *nfs; | |
178 | struct nfsfh *nfsfh; | |
179 | char *saved_path, *path; | |
1d151991 | 180 | int link_count, no_follow; |
84004dbf RS |
181 | |
182 | nfs_cb cb; | |
183 | void *private_data; | |
184 | ||
185 | continue_func continue_cb; | |
186 | void *continue_data; | |
187 | void (*free_continue_data)(void *); | |
188 | int continue_int; | |
189 | ||
190 | struct nfs_fh3 fh; | |
921f877b RS |
191 | |
192 | /* for multi-read/write calls. */ | |
193 | int error; | |
194 | int cancel; | |
1eb4be31 | 195 | int oom; |
921f877b | 196 | int num_calls; |
3ca2aac9 | 197 | uint64_t offset, count, max_offset, org_offset, org_count; |
921f877b | 198 | char *buffer; |
027a767e | 199 | char *usrbuf; |
921f877b RS |
200 | }; |
201 | ||
202 | struct nfs_mcb_data { | |
203 | struct nfs_cb_data *data; | |
183451cf RS |
204 | uint64_t offset; |
205 | uint64_t count; | |
567a94d9 | 206 | int update_pos; |
84004dbf RS |
207 | }; |
208 | ||
20379f03 | 209 | static int nfs_lookup_path_async_internal(struct nfs_context *nfs, fattr3 *attr, struct nfs_cb_data *data, struct nfs_fh3 *fh); |
1d151991 | 210 | static int nfs_normalize_path(struct nfs_context *nfs, char *path); |
84004dbf | 211 | |
67ba2239 | 212 | void nfs_set_auth(struct nfs_context *nfs, struct AUTH *auth) |
84004dbf | 213 | { |
9896c715 | 214 | rpc_set_auth(nfs->rpc, auth); |
84004dbf RS |
215 | } |
216 | ||
217 | int nfs_get_fd(struct nfs_context *nfs) | |
218 | { | |
219 | return rpc_get_fd(nfs->rpc); | |
220 | } | |
221 | ||
83aa785d RS |
222 | int nfs_queue_length(struct nfs_context *nfs) |
223 | { | |
224 | return rpc_queue_length(nfs->rpc); | |
225 | } | |
226 | ||
84004dbf RS |
227 | int nfs_which_events(struct nfs_context *nfs) |
228 | { | |
229 | return rpc_which_events(nfs->rpc); | |
230 | } | |
231 | ||
232 | int nfs_service(struct nfs_context *nfs, int revents) | |
233 | { | |
234 | return rpc_service(nfs->rpc, revents); | |
235 | } | |
236 | ||
237 | char *nfs_get_error(struct nfs_context *nfs) | |
238 | { | |
239 | return rpc_get_error(nfs->rpc); | |
240 | }; | |
241 | ||
20d6926e | 242 | static int nfs_set_context_args(struct nfs_context *nfs, char *arg, char *val) |
36f488dc | 243 | { |
3ca2aac9 | 244 | if (!strcmp(arg, "tcp-syncnt")) { |
20d6926e | 245 | rpc_set_tcp_syncnt(nfs_get_rpc_context(nfs), atoi(val)); |
3ca2aac9 | 246 | } else if (!strcmp(arg, "uid")) { |
20d6926e | 247 | rpc_set_uid(nfs_get_rpc_context(nfs), atoi(val)); |
3ca2aac9 | 248 | } else if (!strcmp(arg, "gid")) { |
20d6926e | 249 | rpc_set_gid(nfs_get_rpc_context(nfs), atoi(val)); |
3ca2aac9 PL |
250 | } else if (!strcmp(arg, "readahaed")) { |
251 | rpc_set_readahead(nfs_get_rpc_context(nfs), atoi(val)); | |
36f488dc RS |
252 | } |
253 | return 0; | |
254 | } | |
255 | ||
6bdcd5b6 | 256 | static struct nfs_url *nfs_parse_url(struct nfs_context *nfs, const char *url, int dir, int incomplete) |
d2ec73c7 PL |
257 | { |
258 | struct nfs_url *urls; | |
259 | char *strp, *flagsp, *strp2; | |
260 | ||
261 | if (strncmp(url, "nfs://", 6)) { | |
262 | rpc_set_error(nfs->rpc, "Invalid URL specified"); | |
263 | return NULL; | |
264 | } | |
265 | ||
266 | urls = malloc(sizeof(struct nfs_url)); | |
267 | if (urls == NULL) { | |
268 | rpc_set_error(nfs->rpc, "Out of memory"); | |
269 | return NULL; | |
270 | } | |
271 | ||
b70567b6 | 272 | memset(urls, 0x00, sizeof(struct nfs_url)); |
d2ec73c7 PL |
273 | urls->server = strdup(url + 6); |
274 | if (urls->server == NULL) { | |
275 | nfs_destroy_url(urls); | |
276 | rpc_set_error(nfs->rpc, "Out of memory"); | |
277 | return NULL; | |
278 | } | |
279 | ||
280 | if (urls->server[0] == '/' || urls->server[0] == '\0' || | |
281 | urls->server[0] == '?') { | |
282 | if (incomplete) { | |
283 | flagsp = strchr(urls->server, '?'); | |
284 | goto flags; | |
285 | } | |
286 | nfs_destroy_url(urls); | |
287 | rpc_set_error(nfs->rpc, "Invalid server string"); | |
288 | return NULL; | |
289 | } | |
290 | ||
291 | strp = strchr(urls->server, '/'); | |
292 | if (strp == NULL) { | |
293 | if (incomplete) { | |
294 | flagsp = strchr(urls->server, '?'); | |
295 | goto flags; | |
296 | } | |
297 | nfs_destroy_url(urls); | |
298 | rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified."); | |
299 | return NULL; | |
300 | } | |
301 | ||
302 | urls->path = strdup(strp); | |
303 | if (urls->path == NULL) { | |
304 | nfs_destroy_url(urls); | |
305 | rpc_set_error(nfs->rpc, "Out of memory"); | |
306 | return NULL; | |
307 | } | |
308 | *strp = 0; | |
309 | ||
310 | if (dir) { | |
311 | flagsp = strchr(urls->path, '?'); | |
312 | goto flags; | |
313 | } | |
314 | ||
315 | strp = strrchr(urls->path, '/'); | |
316 | if (strp == NULL) { | |
317 | if (incomplete) { | |
318 | flagsp = strchr(urls->path, '?'); | |
319 | goto flags; | |
320 | } | |
321 | nfs_destroy_url(urls); | |
322 | rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified."); | |
323 | return NULL; | |
324 | } | |
325 | urls->file = strdup(strp); | |
326 | if (urls->path == NULL) { | |
327 | nfs_destroy_url(urls); | |
328 | rpc_set_error(nfs->rpc, "Out of memory"); | |
329 | return NULL; | |
330 | } | |
331 | *strp = 0; | |
332 | flagsp = strchr(urls->file, '?'); | |
333 | ||
334 | flags: | |
335 | if (flagsp) { | |
336 | *flagsp = 0; | |
337 | } | |
338 | ||
339 | if (urls->file && !strlen(urls->file)) { | |
340 | free(urls->file); | |
341 | urls->file = NULL; | |
342 | if (!incomplete) { | |
343 | nfs_destroy_url(urls); | |
344 | rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified."); | |
345 | return NULL; | |
346 | } | |
347 | } | |
348 | ||
d2ec73c7 PL |
349 | while (flagsp != NULL && *(flagsp+1) != 0) { |
350 | strp = flagsp + 1; | |
351 | flagsp = strchr(strp, '&'); | |
352 | if (flagsp) { | |
353 | *flagsp = 0; | |
354 | } | |
355 | strp2 = strchr(strp, '='); | |
356 | if (strp2) { | |
357 | *strp2 = 0; | |
358 | strp2++; | |
20d6926e | 359 | nfs_set_context_args(nfs, strp, strp2); |
d2ec73c7 PL |
360 | } |
361 | } | |
362 | ||
1f1b1c5c PL |
363 | if (urls->server && strlen(urls->server) <= 1) { |
364 | free(urls->server); | |
365 | urls->server = NULL; | |
366 | } | |
367 | ||
d2ec73c7 PL |
368 | return urls; |
369 | } | |
370 | ||
371 | struct nfs_url *nfs_parse_url_full(struct nfs_context *nfs, const char *url) | |
372 | { | |
373 | return nfs_parse_url(nfs, url, 0, 0); | |
374 | } | |
375 | ||
376 | struct nfs_url *nfs_parse_url_dir(struct nfs_context *nfs, const char *url) | |
377 | { | |
378 | return nfs_parse_url(nfs, url, 1, 0); | |
379 | } | |
380 | ||
381 | struct nfs_url *nfs_parse_url_incomplete(struct nfs_context *nfs, const char *url) | |
382 | { | |
383 | return nfs_parse_url(nfs, url, 0, 1); | |
384 | } | |
385 | ||
386 | ||
387 | void nfs_destroy_url(struct nfs_url *url) | |
388 | { | |
389 | if (url) { | |
390 | free(url->server); | |
391 | free(url->path); | |
392 | free(url->file); | |
393 | } | |
394 | free(url); | |
395 | } | |
396 | ||
84004dbf RS |
397 | struct nfs_context *nfs_init_context(void) |
398 | { | |
399 | struct nfs_context *nfs; | |
400 | ||
401 | nfs = malloc(sizeof(struct nfs_context)); | |
402 | if (nfs == NULL) { | |
84004dbf RS |
403 | return NULL; |
404 | } | |
f893b680 RS |
405 | memset(nfs, 0, sizeof(struct nfs_context)); |
406 | ||
84004dbf RS |
407 | nfs->rpc = rpc_init_context(); |
408 | if (nfs->rpc == NULL) { | |
84004dbf RS |
409 | free(nfs); |
410 | return NULL; | |
411 | } | |
412 | ||
f893b680 | 413 | nfs->cwd = strdup("/"); |
963c2f83 | 414 | |
84004dbf RS |
415 | return nfs; |
416 | } | |
417 | ||
418 | void nfs_destroy_context(struct nfs_context *nfs) | |
419 | { | |
420 | rpc_destroy_context(nfs->rpc); | |
421 | nfs->rpc = NULL; | |
422 | ||
423 | if (nfs->server) { | |
424 | free(nfs->server); | |
425 | nfs->server = NULL; | |
426 | } | |
427 | ||
428 | if (nfs->export) { | |
429 | free(nfs->export); | |
430 | nfs->export = NULL; | |
431 | } | |
432 | ||
f893b680 RS |
433 | if (nfs->cwd) { |
434 | free(nfs->cwd); | |
435 | nfs->cwd = NULL; | |
436 | } | |
437 | ||
84004dbf RS |
438 | if (nfs->rootfh.data.data_val != NULL) { |
439 | free(nfs->rootfh.data.data_val); | |
440 | nfs->rootfh.data.data_val = NULL; | |
441 | } | |
442 | ||
56e96539 RS |
443 | while (nfs->dircache) { |
444 | struct nfsdir *nfsdir = nfs->dircache; | |
445 | LIBNFS_LIST_REMOVE(&nfs->dircache, nfsdir); | |
446 | nfs_free_nfsdir(nfsdir); | |
447 | } | |
448 | ||
84004dbf RS |
449 | free(nfs); |
450 | } | |
451 | ||
8733f38d RS |
452 | struct rpc_cb_data { |
453 | char *server; | |
454 | uint32_t program; | |
455 | uint32_t version; | |
456 | ||
457 | rpc_cb cb; | |
458 | void *private_data; | |
2452c57f | 459 | }; |
8733f38d RS |
460 | |
461 | void free_rpc_cb_data(struct rpc_cb_data *data) | |
462 | { | |
463 | free(data->server); | |
464 | data->server = NULL; | |
465 | free(data); | |
466 | } | |
467 | ||
f694a287 RS |
468 | static void rpc_connect_program_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
469 | { | |
470 | struct rpc_cb_data *data = private_data; | |
471 | ||
472 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
473 | ||
474 | /* Dont want any more callbacks even if the socket is closed */ | |
475 | rpc->connect_cb = NULL; | |
476 | ||
477 | if (status == RPC_STATUS_ERROR) { | |
478 | data->cb(rpc, status, command_data, data->private_data); | |
479 | free_rpc_cb_data(data); | |
480 | return; | |
481 | } | |
482 | if (status == RPC_STATUS_CANCEL) { | |
483 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
484 | free_rpc_cb_data(data); | |
485 | return; | |
486 | } | |
487 | ||
488 | data->cb(rpc, status, NULL, data->private_data); | |
489 | free_rpc_cb_data(data); | |
490 | } | |
491 | ||
8733f38d RS |
492 | static void rpc_connect_program_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
493 | { | |
494 | struct rpc_cb_data *data = private_data; | |
495 | ||
496 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
497 | ||
498 | /* Dont want any more callbacks even if the socket is closed */ | |
499 | rpc->connect_cb = NULL; | |
500 | ||
501 | if (status == RPC_STATUS_ERROR) { | |
502 | data->cb(rpc, status, command_data, data->private_data); | |
503 | free_rpc_cb_data(data); | |
504 | return; | |
505 | } | |
506 | if (status == RPC_STATUS_CANCEL) { | |
507 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
508 | free_rpc_cb_data(data); | |
509 | return; | |
510 | } | |
511 | ||
f694a287 RS |
512 | switch (data->program) { |
513 | case MOUNT_PROGRAM: | |
514 | if (rpc_mount3_null_async(rpc, rpc_connect_program_5_cb, | |
515 | data) != 0) { | |
516 | data->cb(rpc, status, command_data, data->private_data); | |
517 | free_rpc_cb_data(data); | |
518 | return; | |
519 | } | |
520 | return; | |
521 | case NFS_PROGRAM: | |
522 | if (rpc_nfs3_null_async(rpc, rpc_connect_program_5_cb, | |
523 | data) != 0) { | |
524 | data->cb(rpc, status, command_data, data->private_data); | |
525 | free_rpc_cb_data(data); | |
526 | return; | |
527 | } | |
528 | return; | |
529 | } | |
530 | ||
8733f38d RS |
531 | data->cb(rpc, status, NULL, data->private_data); |
532 | free_rpc_cb_data(data); | |
533 | } | |
534 | ||
535 | static void rpc_connect_program_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
536 | { | |
537 | struct rpc_cb_data *data = private_data; | |
24f45c54 | 538 | struct pmap3_string_result *gar; |
6c60e282 RS |
539 | uint32_t rpc_port = 0; |
540 | unsigned char *ptr; | |
8733f38d RS |
541 | |
542 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
543 | ||
4b1ae88a | 544 | if (status == RPC_STATUS_ERROR) { |
8733f38d RS |
545 | data->cb(rpc, status, command_data, data->private_data); |
546 | free_rpc_cb_data(data); | |
547 | return; | |
548 | } | |
549 | if (status == RPC_STATUS_CANCEL) { | |
550 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
551 | free_rpc_cb_data(data); | |
552 | return; | |
553 | } | |
554 | ||
6c60e282 RS |
555 | switch (rpc->s.ss_family) { |
556 | case AF_INET: | |
557 | rpc_port = *(uint32_t *)command_data; | |
558 | break; | |
559 | case AF_INET6: | |
560 | /* ouch. portmapper and ipv6 are not great */ | |
561 | gar = command_data; | |
562 | if (gar->addr == NULL) { | |
563 | break; | |
564 | } | |
565 | ptr = strrchr(gar->addr, '.'); | |
566 | if (ptr == NULL) { | |
567 | break; | |
568 | } | |
569 | rpc_port = atoi(ptr + 1); | |
570 | *ptr = 0; | |
571 | ptr = strrchr(gar->addr, '.'); | |
572 | if (ptr == NULL) { | |
573 | break; | |
574 | } | |
575 | rpc_port += 256 * atoi(ptr + 1); | |
576 | break; | |
577 | } | |
8733f38d RS |
578 | if (rpc_port == 0) { |
579 | rpc_set_error(rpc, "RPC error. Program is not available on %s", data->server); | |
580 | data->cb(rpc, RPC_STATUS_ERROR, rpc_get_error(rpc), data->private_data); | |
581 | free_rpc_cb_data(data); | |
582 | return; | |
583 | } | |
584 | ||
585 | rpc_disconnect(rpc, "normal disconnect"); | |
586 | if (rpc_connect_async(rpc, data->server, rpc_port, rpc_connect_program_4_cb, data) != 0) { | |
587 | data->cb(rpc, status, command_data, data->private_data); | |
588 | free_rpc_cb_data(data); | |
589 | return; | |
590 | } | |
591 | } | |
592 | ||
593 | static void rpc_connect_program_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
594 | { | |
595 | struct rpc_cb_data *data = private_data; | |
6c60e282 | 596 | struct pmap3_mapping map; |
8733f38d RS |
597 | |
598 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
599 | ||
600 | if (status == RPC_STATUS_ERROR) { | |
601 | data->cb(rpc, status, command_data, data->private_data); | |
602 | free_rpc_cb_data(data); | |
603 | return; | |
604 | } | |
605 | if (status == RPC_STATUS_CANCEL) { | |
606 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
607 | free_rpc_cb_data(data); | |
608 | return; | |
609 | } | |
610 | ||
6c60e282 RS |
611 | switch (rpc->s.ss_family) { |
612 | case AF_INET: | |
613 | if (rpc_pmap2_getport_async(rpc, data->program, data->version, IPPROTO_TCP, rpc_connect_program_3_cb, private_data) != 0) { | |
614 | data->cb(rpc, status, command_data, data->private_data); | |
615 | free_rpc_cb_data(data); | |
616 | return; | |
617 | } | |
618 | break; | |
619 | case AF_INET6: | |
620 | map.prog=data->program; | |
621 | map.vers=data->version; | |
622 | map.netid=""; | |
623 | map.addr=""; | |
624 | map.owner=""; | |
625 | if (rpc_pmap3_getaddr_async(rpc, &map, rpc_connect_program_3_cb, private_data) != 0) { | |
626 | data->cb(rpc, status, command_data, data->private_data); | |
627 | free_rpc_cb_data(data); | |
628 | return; | |
629 | } | |
630 | break; | |
8733f38d RS |
631 | } |
632 | } | |
633 | ||
634 | static void rpc_connect_program_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
635 | { | |
636 | struct rpc_cb_data *data = private_data; | |
637 | ||
638 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
639 | ||
640 | /* Dont want any more callbacks even if the socket is closed */ | |
641 | rpc->connect_cb = NULL; | |
642 | ||
643 | if (status == RPC_STATUS_ERROR) { | |
644 | data->cb(rpc, status, command_data, data->private_data); | |
645 | free_rpc_cb_data(data); | |
646 | return; | |
647 | } | |
648 | if (status == RPC_STATUS_CANCEL) { | |
649 | data->cb(rpc, status, "Command was cancelled", data->private_data); | |
650 | free_rpc_cb_data(data); | |
651 | return; | |
652 | } | |
653 | ||
6c60e282 RS |
654 | switch (rpc->s.ss_family) { |
655 | case AF_INET: | |
656 | if (rpc_pmap2_null_async(rpc, rpc_connect_program_2_cb, data) != 0) { | |
657 | data->cb(rpc, status, command_data, data->private_data); | |
658 | free_rpc_cb_data(data); | |
659 | return; | |
660 | } | |
661 | break; | |
662 | case AF_INET6: | |
663 | if (rpc_pmap3_null_async(rpc, rpc_connect_program_2_cb, data) != 0) { | |
664 | data->cb(rpc, status, command_data, data->private_data); | |
665 | free_rpc_cb_data(data); | |
666 | return; | |
667 | } | |
668 | break; | |
8733f38d RS |
669 | } |
670 | } | |
671 | ||
f694a287 | 672 | int rpc_connect_program_async(struct rpc_context *rpc, const char *server, int program, int version, rpc_cb cb, void *private_data) |
8733f38d RS |
673 | { |
674 | struct rpc_cb_data *data; | |
675 | ||
676 | data = malloc(sizeof(struct rpc_cb_data)); | |
677 | if (data == NULL) { | |
678 | return -1; | |
679 | } | |
680 | memset(data, 0, sizeof(struct rpc_cb_data)); | |
681 | data->server = strdup(server); | |
682 | data->program = program; | |
683 | data->version = version; | |
684 | ||
685 | data->cb = cb; | |
686 | data->private_data = private_data; | |
687 | ||
688 | if (rpc_connect_async(rpc, server, 111, rpc_connect_program_1_cb, data) != 0) { | |
689 | rpc_set_error(rpc, "Failed to start connection"); | |
690 | free_rpc_cb_data(data); | |
691 | return -1; | |
692 | } | |
693 | return 0; | |
694 | } | |
695 | ||
2fa14f9b | 696 | static void free_nfs_cb_data(struct nfs_cb_data *data) |
84004dbf | 697 | { |
84004dbf | 698 | if (data->continue_data != NULL) { |
206a2ff6 | 699 | assert(data->free_continue_data); |
84004dbf | 700 | data->free_continue_data(data->continue_data); |
84004dbf RS |
701 | } |
702 | ||
2fa14f9b AR |
703 | free(data->saved_path); |
704 | free(data->fh.data.data_val); | |
705 | free(data->buffer); | |
921f877b | 706 | |
84004dbf RS |
707 | free(data); |
708 | } | |
709 | ||
370c59e3 RL |
710 | static void free_nfsfh(struct nfsfh *nfsfh) |
711 | { | |
712 | if (nfsfh->fh.data.data_val != NULL) { | |
713 | free(nfsfh->fh.data.data_val); | |
714 | nfsfh->fh.data.data_val = NULL; | |
715 | } | |
716 | free(nfsfh->ra.buf); | |
717 | free(nfsfh); | |
718 | } | |
719 | ||
84004dbf | 720 | |
f3a75078 | 721 | static void nfs_mount_10_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
722 | { |
723 | struct nfs_cb_data *data = private_data; | |
724 | struct nfs_context *nfs = data->nfs; | |
725 | ||
f3a75078 RS |
726 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
727 | ||
84004dbf RS |
728 | if (status == RPC_STATUS_ERROR) { |
729 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
730 | free_nfs_cb_data(data); | |
731 | return; | |
732 | } | |
733 | if (status == RPC_STATUS_CANCEL) { | |
734 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
735 | free_nfs_cb_data(data); | |
736 | return; | |
737 | } | |
738 | ||
739 | data->cb(0, nfs, NULL, data->private_data); | |
740 | free_nfs_cb_data(data); | |
741 | } | |
742 | ||
17ef62fa | 743 | static void nfs_mount_9_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
744 | { |
745 | struct nfs_cb_data *data = private_data; | |
746 | struct nfs_context *nfs = data->nfs; | |
17ef62fa | 747 | FSINFO3res *res = command_data; |
463d59bf | 748 | struct GETATTR3args args; |
84004dbf | 749 | |
f3a75078 RS |
750 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
751 | ||
84004dbf RS |
752 | if (status == RPC_STATUS_ERROR) { |
753 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
754 | free_nfs_cb_data(data); | |
755 | return; | |
756 | } | |
757 | if (status == RPC_STATUS_CANCEL) { | |
758 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
759 | free_nfs_cb_data(data); | |
760 | return; | |
761 | } | |
762 | ||
17ef62fa RS |
763 | nfs->readmax = res->FSINFO3res_u.resok.rtmax; |
764 | nfs->writemax = res->FSINFO3res_u.resok.wtmax; | |
84004dbf | 765 | |
463d59bf | 766 | memset(&args, 0, sizeof(GETATTR3args)); |
2452c57f | 767 | args.object = nfs->rootfh; |
463d59bf RS |
768 | |
769 | if (rpc_nfs3_getattr_async(rpc, nfs_mount_10_cb, &args, data) != 0) { | |
84004dbf RS |
770 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
771 | free_nfs_cb_data(data); | |
772 | return; | |
773 | } | |
774 | } | |
775 | ||
17ef62fa RS |
776 | static void nfs_mount_8_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
777 | { | |
778 | struct nfs_cb_data *data = private_data; | |
779 | struct nfs_context *nfs = data->nfs; | |
c4ba61c5 | 780 | struct FSINFO3args args; |
17ef62fa | 781 | |
f3a75078 RS |
782 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
783 | ||
17ef62fa RS |
784 | if (status == RPC_STATUS_ERROR) { |
785 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
786 | free_nfs_cb_data(data); | |
787 | return; | |
788 | } | |
789 | if (status == RPC_STATUS_CANCEL) { | |
790 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
791 | free_nfs_cb_data(data); | |
792 | return; | |
793 | } | |
794 | ||
28ee9de2 RL |
795 | /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */ |
796 | rpc_set_autoreconnect(rpc); | |
797 | ||
c4ba61c5 RS |
798 | args.fsroot = nfs->rootfh; |
799 | if (rpc_nfs3_fsinfo_async(rpc, nfs_mount_9_cb, &args, data) != 0) { | |
17ef62fa RS |
800 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
801 | free_nfs_cb_data(data); | |
802 | return; | |
803 | } | |
804 | } | |
805 | ||
84004dbf RS |
806 | static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
807 | { | |
808 | struct nfs_cb_data *data = private_data; | |
809 | struct nfs_context *nfs = data->nfs; | |
810 | mountres3 *res; | |
811 | ||
f3a75078 RS |
812 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
813 | ||
84004dbf RS |
814 | if (status == RPC_STATUS_ERROR) { |
815 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
816 | free_nfs_cb_data(data); | |
817 | return; | |
818 | } | |
819 | if (status == RPC_STATUS_CANCEL) { | |
820 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
821 | free_nfs_cb_data(data); | |
822 | return; | |
823 | } | |
824 | ||
825 | res = command_data; | |
826 | if (res->fhs_status != MNT3_OK) { | |
827 | 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)); | |
828 | data->cb(mountstat3_to_errno(res->fhs_status), nfs, rpc_get_error(rpc), data->private_data); | |
829 | free_nfs_cb_data(data); | |
830 | return; | |
831 | } | |
832 | ||
833 | nfs->rootfh.data.data_len = res->mountres3_u.mountinfo.fhandle.fhandle3_len; | |
834 | nfs->rootfh.data.data_val = malloc(nfs->rootfh.data.data_len); | |
835 | if (nfs->rootfh.data.data_val == NULL) { | |
836 | rpc_set_error(rpc, "Out of memory. Could not allocate memory to store root filehandle"); | |
837 | data->cb(-ENOMEM, nfs, rpc_get_error(rpc), data->private_data); | |
838 | free_nfs_cb_data(data); | |
839 | return; | |
840 | } | |
841 | memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len); | |
842 | ||
843 | rpc_disconnect(rpc, "normal disconnect"); | |
f694a287 RS |
844 | |
845 | if (rpc_connect_program_async(nfs->rpc, nfs->server, NFS_PROGRAM, NFS_V3, nfs_mount_8_cb, data) != 0) { | |
84004dbf RS |
846 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
847 | free_nfs_cb_data(data); | |
848 | return; | |
849 | } | |
850 | } | |
851 | ||
852 | ||
853 | static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
854 | { | |
855 | struct nfs_cb_data *data = private_data; | |
856 | struct nfs_context *nfs = data->nfs; | |
857 | ||
f3a75078 RS |
858 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
859 | ||
84004dbf RS |
860 | if (status == RPC_STATUS_ERROR) { |
861 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
862 | free_nfs_cb_data(data); | |
863 | return; | |
864 | } | |
865 | if (status == RPC_STATUS_CANCEL) { | |
866 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
867 | free_nfs_cb_data(data); | |
868 | return; | |
869 | } | |
870 | ||
eda77ec3 | 871 | if (rpc_mount3_mnt_async(rpc, nfs_mount_6_cb, nfs->export, data) != 0) { |
84004dbf RS |
872 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
873 | free_nfs_cb_data(data); | |
874 | return; | |
875 | } | |
876 | } | |
877 | ||
84004dbf RS |
878 | /* |
879 | * Async call for mounting an nfs share and geting the root filehandle | |
880 | */ | |
881 | int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data) | |
882 | { | |
883 | struct nfs_cb_data *data; | |
b077fdeb | 884 | char *new_server, *new_export; |
84004dbf RS |
885 | |
886 | data = malloc(sizeof(struct nfs_cb_data)); | |
887 | if (data == NULL) { | |
cbbf9d3e | 888 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data"); |
84004dbf RS |
889 | return -1; |
890 | } | |
ea98629a | 891 | memset(data, 0, sizeof(struct nfs_cb_data)); |
b077fdeb RS |
892 | new_server = strdup(server); |
893 | new_export = strdup(export); | |
894 | if (nfs->server != NULL) { | |
895 | free(nfs->server); | |
b077fdeb RS |
896 | } |
897 | nfs->server = new_server; | |
898 | if (nfs->export != NULL) { | |
899 | free(nfs->export); | |
b077fdeb RS |
900 | } |
901 | nfs->export = new_export; | |
84004dbf RS |
902 | data->nfs = nfs; |
903 | data->cb = cb; | |
904 | data->private_data = private_data; | |
905 | ||
f694a287 | 906 | if (rpc_connect_program_async(nfs->rpc, server, MOUNT_PROGRAM, MOUNT_V3, nfs_mount_5_cb, data) != 0) { |
cbbf9d3e | 907 | rpc_set_error(nfs->rpc, "Failed to start connection"); |
84004dbf | 908 | free_nfs_cb_data(data); |
cbbf9d3e | 909 | return -1; |
84004dbf RS |
910 | } |
911 | ||
912 | return 0; | |
913 | } | |
914 | ||
915 | ||
916 | ||
917 | /* | |
918 | * Functions to first look up a path, component by component, and then finally call a specific function once | |
919 | * the filehandle for the final component is found. | |
920 | */ | |
1d151991 RL |
921 | static void nfs_lookup_path_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
922 | { | |
923 | struct nfs_cb_data *data = private_data; | |
924 | struct nfs_context *nfs = data->nfs; | |
925 | READLINK3res *res; | |
926 | char *path, *newpath; | |
927 | ||
928 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
929 | ||
930 | if (status == RPC_STATUS_ERROR) { | |
931 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
932 | free_nfs_cb_data(data); | |
933 | return; | |
934 | } | |
935 | if (status == RPC_STATUS_CANCEL) { | |
936 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
937 | free_nfs_cb_data(data); | |
938 | return; | |
939 | } | |
940 | ||
941 | res = command_data; | |
942 | if (res->status != NFS3_OK) { | |
943 | 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)); | |
944 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
945 | free_nfs_cb_data(data); | |
946 | return; | |
947 | } | |
948 | ||
949 | path = res->READLINK3res_u.resok.data; | |
950 | ||
951 | /* Handle absolute paths, ensuring that the path lies within the | |
952 | * export. */ | |
953 | if (path[0] == '/') { | |
954 | if (strstr(path, nfs->export) == path) { | |
955 | char *ptr = path + strlen(nfs->export); | |
956 | if (*ptr == '/') { | |
957 | newpath = strdup(ptr); | |
958 | } else if (*ptr == '\0') { | |
959 | newpath = strdup("/"); | |
960 | } else { | |
961 | data->cb(-ENOENT, nfs, "Symbolic link points outside export", data->private_data); | |
962 | free_nfs_cb_data(data); | |
963 | return; | |
964 | } | |
965 | } else { | |
966 | data->cb(-ENOENT, nfs, "Symbolic link points outside export", data->private_data); | |
967 | free_nfs_cb_data(data); | |
968 | return; | |
969 | } | |
970 | ||
971 | if (!newpath) | |
972 | goto nomem; | |
973 | } else { | |
974 | /* Handle relative paths, both the case where the current | |
975 | * component is an intermediate component and when it is the | |
976 | * final component. */ | |
977 | if (data->path[0]) { | |
978 | /* Since path points to a component and saved_path | |
979 | * always starts with '/', path[-1] is valid. */ | |
980 | data->path[-1] = '\0'; | |
981 | newpath = malloc(strlen(data->saved_path) + strlen(path) + strlen(data->path) + 6); | |
982 | if (!newpath) | |
983 | goto nomem; | |
984 | ||
985 | sprintf(newpath, "%s/../%s/%s", data->saved_path, path, data->path); | |
986 | } else { | |
987 | newpath = malloc(strlen(data->saved_path) + strlen(path) + 5); | |
988 | if (!newpath) | |
989 | goto nomem; | |
990 | ||
991 | sprintf(newpath, "%s/../%s", data->saved_path, path); | |
992 | } | |
993 | } | |
994 | free(data->saved_path); | |
995 | data->saved_path = newpath; | |
996 | ||
997 | if (nfs_normalize_path(nfs, data->saved_path) != 0) { | |
998 | data->cb(-ENOENT, nfs, "Symbolic link resolves to invalid path", data->private_data); | |
999 | free_nfs_cb_data(data); | |
1000 | return; | |
1001 | } | |
1002 | ||
1003 | data->path = data->saved_path; | |
1004 | nfs_lookup_path_async_internal(nfs, NULL, data, &nfs->rootfh); | |
1005 | return; | |
1006 | ||
1007 | nomem: | |
1008 | data->cb(-ENOMEM, nfs, "Failed to allocate memory for path", data->private_data); | |
1009 | free_nfs_cb_data(data); | |
1010 | } | |
1011 | ||
f3a75078 | 1012 | static void nfs_lookup_path_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1013 | { |
1014 | struct nfs_cb_data *data = private_data; | |
1015 | struct nfs_context *nfs = data->nfs; | |
1016 | LOOKUP3res *res; | |
20379f03 | 1017 | fattr3 *attr; |
84004dbf | 1018 | |
f3a75078 RS |
1019 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1020 | ||
84004dbf RS |
1021 | if (status == RPC_STATUS_ERROR) { |
1022 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1023 | free_nfs_cb_data(data); | |
1024 | return; | |
1025 | } | |
1026 | if (status == RPC_STATUS_CANCEL) { | |
1027 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1028 | free_nfs_cb_data(data); | |
1029 | return; | |
1030 | } | |
1031 | ||
1032 | res = command_data; | |
1033 | if (res->status != NFS3_OK) { | |
1034 | 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)); | |
1035 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1036 | free_nfs_cb_data(data); | |
1037 | return; | |
1038 | } | |
1039 | ||
20379f03 RS |
1040 | attr = res->LOOKUP3res_u.resok.obj_attributes.attributes_follow ? |
1041 | &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes : | |
1042 | NULL; | |
1043 | ||
1044 | /* This function will always invoke the callback and cleanup | |
1045 | * for failures. So no need to check the return value. | |
1046 | */ | |
1047 | nfs_lookup_path_async_internal(nfs, attr, data, &res->LOOKUP3res_u.resok.object); | |
84004dbf RS |
1048 | } |
1049 | ||
1d151991 | 1050 | static int nfs_lookup_path_async_internal(struct nfs_context *nfs, fattr3 *attr, struct nfs_cb_data *data, struct nfs_fh3 *fh) |
84004dbf | 1051 | { |
f893b680 | 1052 | char *path, *slash; |
463d59bf | 1053 | LOOKUP3args args; |
84004dbf RS |
1054 | |
1055 | while (*data->path == '/') { | |
1056 | data->path++; | |
1057 | } | |
1058 | ||
1059 | path = data->path; | |
f893b680 | 1060 | slash = strchr(path, '/'); |
1d151991 RL |
1061 | |
1062 | if (attr && attr->type == NF3LNK && (!data->no_follow || *path != '\0')) { | |
1063 | READLINK3args args; | |
1064 | ||
1065 | if (data->link_count++ >= MAX_LINK_COUNT) { | |
1066 | data->cb(-ELOOP, nfs, "Too many levels of symbolic links", data->private_data); | |
1067 | free_nfs_cb_data(data); | |
1068 | return -1; | |
1069 | } | |
1070 | ||
1071 | args.symlink = *fh; | |
1072 | ||
1073 | if (rpc_nfs3_readlink_async(nfs->rpc, nfs_lookup_path_2_cb, &args, data) != 0) { | |
1074 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path); | |
1075 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1076 | free_nfs_cb_data(data); | |
1077 | return -1; | |
1078 | } | |
1079 | ||
1080 | if (slash != NULL) { | |
1081 | *slash = '/'; | |
1082 | } | |
1083 | return 0; | |
1084 | } | |
1085 | ||
f893b680 RS |
1086 | if (slash != NULL) { |
1087 | /* Clear slash so that path is a zero terminated string for | |
1088 | * the current path component. Set it back to '/' again later | |
1089 | * when we are finished referencing this component so that | |
1090 | * data->saved_path will still point to the full | |
1091 | * normalized path. | |
1092 | */ | |
1093 | *slash = 0; | |
1094 | data->path = slash+1; | |
84004dbf RS |
1095 | } else { |
1096 | while (*data->path != 0) { | |
1097 | data->path++; | |
1098 | } | |
1099 | } | |
1100 | ||
1101 | if (*path == 0) { | |
1102 | data->fh.data.data_len = fh->data.data_len; | |
1103 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
1104 | if (data->fh.data.data_val == NULL) { | |
1105 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh for %s", data->path); | |
1106 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1107 | free_nfs_cb_data(data); | |
1108 | return -1; | |
1109 | } | |
1110 | memcpy(data->fh.data.data_val, fh->data.data_val, data->fh.data.data_len); | |
f893b680 RS |
1111 | if (slash != NULL) { |
1112 | *slash = '/'; | |
1113 | } | |
20379f03 | 1114 | data->continue_cb(nfs, attr, data); |
84004dbf RS |
1115 | return 0; |
1116 | } | |
1117 | ||
463d59bf | 1118 | memset(&args, 0, sizeof(LOOKUP3args)); |
2452c57f RS |
1119 | args.what.dir = *fh; |
1120 | args.what.name = path; | |
463d59bf RS |
1121 | |
1122 | if (rpc_nfs3_lookup_async(nfs->rpc, nfs_lookup_path_1_cb, &args, data) != 0) { | |
84004dbf RS |
1123 | rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s", data->path); |
1124 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1125 | free_nfs_cb_data(data); | |
1126 | return -1; | |
1127 | } | |
f893b680 RS |
1128 | if (slash != NULL) { |
1129 | *slash = '/'; | |
1130 | } | |
1131 | return 0; | |
1132 | } | |
1133 | ||
1134 | static int nfs_normalize_path(struct nfs_context *nfs, char *path) | |
1135 | { | |
1136 | char *str; | |
1137 | int len; | |
1138 | ||
1139 | /* // -> / */ | |
4b1ae88a | 1140 | while ((str = strstr(path, "//"))) { |
f893b680 RS |
1141 | while(*str) { |
1142 | *str = *(str + 1); | |
1143 | str++; | |
1144 | } | |
1145 | } | |
1146 | ||
1147 | /* /./ -> / */ | |
4b1ae88a | 1148 | while ((str = strstr(path, "/./"))) { |
f893b680 RS |
1149 | while(*(str + 1)) { |
1150 | *str = *(str + 2); | |
1151 | str++; | |
1152 | } | |
1153 | } | |
1154 | ||
1155 | /* ^/../ -> error */ | |
1156 | if (!strncmp(path, "/../", 4)) { | |
1157 | rpc_set_error(nfs->rpc, | |
1158 | "Absolute path starts with '/../' " | |
1159 | "during normalization"); | |
1160 | return -1; | |
1161 | } | |
1162 | ||
1163 | /* ^[^/] -> error */ | |
1164 | if (path[0] != '/') { | |
1165 | rpc_set_error(nfs->rpc, | |
1166 | "Absolute path does not start with '/'"); | |
1167 | return -1; | |
1168 | } | |
1169 | ||
1170 | /* /string/../ -> / */ | |
4b1ae88a | 1171 | while ((str = strstr(path, "/../"))) { |
f893b680 RS |
1172 | char *tmp; |
1173 | ||
1174 | if (!strncmp(path, "/../", 4)) { | |
1175 | rpc_set_error(nfs->rpc, | |
1176 | "Absolute path starts with '/../' " | |
1177 | "during normalization"); | |
1178 | return -1; | |
1179 | } | |
1180 | ||
1181 | tmp = str - 1; | |
1182 | while (*tmp != '/') { | |
1183 | tmp--; | |
1184 | } | |
1185 | str += 3; | |
1186 | while((*(tmp++) = *(str++)) != '\0') | |
1187 | ; | |
1188 | } | |
1189 | ||
1190 | /* /$ -> \0 */ | |
1191 | len = strlen(path); | |
d5f78806 | 1192 | if (len > 1) { |
f893b680 RS |
1193 | if (path[len - 1] == '/') { |
1194 | path[len - 1] = '\0'; | |
1195 | len--; | |
1196 | } | |
1197 | } | |
1198 | if (path[0] == '\0') { | |
1199 | rpc_set_error(nfs->rpc, | |
1200 | "Absolute path became '' " | |
1201 | "during normalization"); | |
1202 | return -1; | |
1203 | } | |
1204 | ||
1205 | /* /.$ -> \0 */ | |
1206 | if (len >= 2) { | |
1207 | if (!strcmp(&path[len - 2], "/.")) { | |
1208 | path[len - 2] = '\0'; | |
1209 | len -= 2; | |
1210 | } | |
1211 | } | |
1212 | ||
1213 | /* ^/..$ -> error */ | |
1214 | if (!strcmp(path, "/..")) { | |
1215 | rpc_set_error(nfs->rpc, | |
1216 | "Absolute path is '/..' " | |
1217 | "during normalization"); | |
1218 | return -1; | |
1219 | } | |
1220 | ||
1221 | /* /string/..$ -> / */ | |
1222 | if (len >= 3) { | |
1223 | if (!strcmp(&path[len - 3], "/..")) { | |
1224 | char *tmp = &path[len - 3]; | |
1225 | while (*--tmp != '/') | |
1226 | ; | |
4b1ae88a | 1227 | *tmp = '\0'; |
f893b680 RS |
1228 | } |
1229 | } | |
1230 | ||
84004dbf RS |
1231 | return 0; |
1232 | } | |
1233 | ||
20379f03 RS |
1234 | static void nfs_lookup_path_getattr_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
1235 | { | |
1236 | struct nfs_cb_data *data = private_data; | |
1237 | struct nfs_context *nfs = data->nfs; | |
1238 | GETATTR3res *res; | |
1239 | fattr3 *attr; | |
1240 | ||
1241 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
1242 | ||
1243 | if (status == RPC_STATUS_ERROR) { | |
1244 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1245 | free_nfs_cb_data(data); | |
1246 | return; | |
1247 | } | |
1248 | if (status == RPC_STATUS_CANCEL) { | |
1249 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1250 | free_nfs_cb_data(data); | |
1251 | return; | |
1252 | } | |
1253 | ||
1254 | res = command_data; | |
1255 | if (res->status != NFS3_OK) { | |
1256 | 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)); | |
1257 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1258 | free_nfs_cb_data(data); | |
1259 | return; | |
1260 | } | |
1261 | ||
1262 | attr = &res->GETATTR3res_u.resok.obj_attributes; | |
1263 | /* This function will always invoke the callback and cleanup | |
1264 | * for failures. So no need to check the return value. | |
1265 | */ | |
1266 | nfs_lookup_path_async_internal(nfs, attr, data, &nfs->rootfh); | |
1267 | } | |
1268 | ||
1d151991 | 1269 | 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 |
1270 | { |
1271 | struct nfs_cb_data *data; | |
20379f03 | 1272 | struct GETATTR3args args; |
84004dbf | 1273 | |
f893b680 | 1274 | if (path[0] == '\0') { |
34edf264 | 1275 | path = "."; |
84004dbf RS |
1276 | } |
1277 | ||
1278 | data = malloc(sizeof(struct nfs_cb_data)); | |
1279 | if (data == NULL) { | |
f893b680 RS |
1280 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate " |
1281 | "nfs_cb_data structure"); | |
e59193c9 AR |
1282 | if (free_continue_data) |
1283 | free_continue_data(continue_data); | |
cbbf9d3e | 1284 | return -1; |
84004dbf | 1285 | } |
ea98629a | 1286 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
1287 | data->nfs = nfs; |
1288 | data->cb = cb; | |
1289 | data->continue_cb = continue_cb; | |
1290 | data->continue_data = continue_data; | |
1291 | data->free_continue_data = free_continue_data; | |
1292 | data->continue_int = continue_int; | |
1293 | data->private_data = private_data; | |
1d151991 | 1294 | data->no_follow = no_follow; |
f893b680 RS |
1295 | if (path[0] == '/') { |
1296 | data->saved_path = strdup(path); | |
1297 | } else { | |
1298 | data->saved_path = malloc(strlen(path) + strlen(nfs->cwd) + 2); | |
1299 | if (data->saved_path == NULL) { | |
1300 | rpc_set_error(nfs->rpc, "out of memory: failed to " | |
1301 | "malloc path string"); | |
1302 | free_nfs_cb_data(data); | |
1303 | return -1; | |
1304 | } | |
1305 | sprintf(data->saved_path, "%s/%s", nfs->cwd, path); | |
1306 | } | |
1307 | ||
84004dbf RS |
1308 | if (data->saved_path == NULL) { |
1309 | rpc_set_error(nfs->rpc, "out of memory: failed to copy path string"); | |
84004dbf | 1310 | free_nfs_cb_data(data); |
cbbf9d3e | 1311 | return -1; |
84004dbf | 1312 | } |
f893b680 RS |
1313 | if (nfs_normalize_path(nfs, data->saved_path) != 0) { |
1314 | free_nfs_cb_data(data); | |
1315 | return -1; | |
1316 | } | |
1317 | ||
84004dbf | 1318 | data->path = data->saved_path; |
20379f03 RS |
1319 | if (data->path[0]) { |
1320 | /* This function will always invoke the callback and cleanup | |
1321 | * for failures. So no need to check the return value. | |
1322 | */ | |
1323 | nfs_lookup_path_async_internal(nfs, NULL, data, &nfs->rootfh); | |
84004dbf RS |
1324 | return 0; |
1325 | } | |
20379f03 RS |
1326 | |
1327 | /* We have a request for "", so just perform a GETATTR3 so we can | |
1328 | * return the attributes to the caller. | |
1329 | */ | |
1330 | memset(&args, 0, sizeof(GETATTR3args)); | |
1331 | args.object = nfs->rootfh; | |
1332 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lookup_path_getattr_cb, &args, data) != 0) { | |
1333 | free_nfs_cb_data(data); | |
1334 | return -1; | |
1335 | } | |
84004dbf RS |
1336 | return 0; |
1337 | } | |
1338 | ||
1339 | ||
84004dbf RS |
1340 | /* |
1341 | * Async stat() | |
1342 | */ | |
fc08ac45 RL |
1343 | static dev_t specdata3_to_rdev(struct specdata3 *rdev) |
1344 | { | |
1345 | #ifdef makedev | |
1346 | return makedev(rdev->specdata1, rdev->specdata2); | |
1347 | #else | |
1348 | return 0; | |
1349 | #endif | |
1350 | } | |
1351 | ||
f3a75078 | 1352 | static void nfs_stat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1353 | { |
1354 | GETATTR3res *res; | |
1355 | struct nfs_cb_data *data = private_data; | |
1356 | struct nfs_context *nfs = data->nfs; | |
be184101 M |
1357 | #ifdef WIN32 |
1358 | struct __stat64 st; | |
1359 | #else | |
84004dbf | 1360 | struct stat st; |
be184101 | 1361 | #endif |
84004dbf | 1362 | |
f3a75078 RS |
1363 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1364 | ||
84004dbf RS |
1365 | if (status == RPC_STATUS_ERROR) { |
1366 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1367 | free_nfs_cb_data(data); | |
1368 | return; | |
1369 | } | |
1370 | if (status == RPC_STATUS_CANCEL) { | |
1371 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1372 | free_nfs_cb_data(data); | |
1373 | return; | |
1374 | } | |
1375 | ||
1376 | res = command_data; | |
1377 | if (res->status != NFS3_OK) { | |
1378 | 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)); | |
1379 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1380 | free_nfs_cb_data(data); | |
1381 | return; | |
1382 | } | |
1383 | ||
fc08ac45 | 1384 | st.st_dev = res->GETATTR3res_u.resok.obj_attributes.fsid; |
84004dbf RS |
1385 | st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid; |
1386 | st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode; | |
fc08ac45 RL |
1387 | switch (res->GETATTR3res_u.resok.obj_attributes.type) { |
1388 | case NF3REG: | |
1389 | st.st_mode |= S_IFREG; | |
1390 | break; | |
1391 | case NF3DIR: | |
1392 | st.st_mode |= S_IFDIR; | |
1393 | break; | |
1394 | case NF3BLK: | |
1395 | st.st_mode |= S_IFBLK; | |
1396 | break; | |
1397 | case NF3CHR: | |
1398 | st.st_mode |= S_IFCHR; | |
1399 | break; | |
1400 | case NF3LNK: | |
1401 | st.st_mode |= S_IFLNK; | |
1402 | break; | |
1403 | case NF3SOCK: | |
1404 | st.st_mode |= S_IFSOCK; | |
1405 | break; | |
1406 | case NF3FIFO: | |
1407 | st.st_mode |= S_IFIFO; | |
1408 | break; | |
d7ec001f | 1409 | } |
84004dbf RS |
1410 | st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink; |
1411 | st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid; | |
1412 | st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid; | |
fc08ac45 | 1413 | st.st_rdev = specdata3_to_rdev(&res->GETATTR3res_u.resok.obj_attributes.rdev); |
84004dbf | 1414 | st.st_size = res->GETATTR3res_u.resok.obj_attributes.size; |
a8a1b858 | 1415 | #ifndef WIN32 |
3ca2aac9 | 1416 | st.st_blksize = NFS_BLKSIZE; |
fc08ac45 | 1417 | st.st_blocks = (res->GETATTR3res_u.resok.obj_attributes.used + 512 - 1) / 512; |
4b1ae88a | 1418 | #endif//WIN32 |
84004dbf RS |
1419 | st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds; |
1420 | st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds; | |
1421 | st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds; | |
fc08ac45 RL |
1422 | #ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC |
1423 | st.st_atim.tv_nsec = res->GETATTR3res_u.resok.obj_attributes.atime.nseconds; | |
1424 | st.st_mtim.tv_nsec = res->GETATTR3res_u.resok.obj_attributes.mtime.nseconds; | |
1425 | st.st_ctim.tv_nsec = res->GETATTR3res_u.resok.obj_attributes.ctime.nseconds; | |
1426 | #endif | |
84004dbf RS |
1427 | |
1428 | data->cb(0, nfs, &st, data->private_data); | |
1429 | free_nfs_cb_data(data); | |
1430 | } | |
1431 | ||
20379f03 | 1432 | static int nfs_stat_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 1433 | { |
463d59bf RS |
1434 | struct GETATTR3args args; |
1435 | ||
1436 | memset(&args, 0, sizeof(GETATTR3args)); | |
2452c57f | 1437 | args.object = data->fh; |
463d59bf RS |
1438 | |
1439 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) { | |
84004dbf RS |
1440 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); |
1441 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1442 | free_nfs_cb_data(data); | |
1443 | return -1; | |
1444 | } | |
1445 | return 0; | |
1446 | } | |
1447 | ||
1448 | int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1449 | { | |
1d151991 | 1450 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_stat_continue_internal, NULL, NULL, 0) != 0) { |
cbbf9d3e | 1451 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
1452 | return -1; |
1453 | } | |
1454 | ||
1455 | return 0; | |
1456 | } | |
1457 | ||
1458 | ||
479302f7 RS |
1459 | /* |
1460 | * Async nfs_stat64() | |
1461 | */ | |
1462 | static void nfs_stat64_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
1463 | { | |
1464 | GETATTR3res *res; | |
1465 | struct nfs_cb_data *data = private_data; | |
1466 | struct nfs_context *nfs = data->nfs; | |
1467 | struct nfs_stat_64 st; | |
1468 | ||
1469 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
1470 | ||
1471 | if (status == RPC_STATUS_ERROR) { | |
1472 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1473 | free_nfs_cb_data(data); | |
1474 | return; | |
1475 | } | |
1476 | if (status == RPC_STATUS_CANCEL) { | |
1477 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1478 | free_nfs_cb_data(data); | |
1479 | return; | |
1480 | } | |
1481 | ||
1482 | res = command_data; | |
1483 | if (res->status != NFS3_OK) { | |
1484 | 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)); | |
1485 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1486 | free_nfs_cb_data(data); | |
1487 | return; | |
1488 | } | |
1489 | ||
fc08ac45 | 1490 | st.nfs_dev = res->GETATTR3res_u.resok.obj_attributes.fsid; |
479302f7 RS |
1491 | st.nfs_ino = res->GETATTR3res_u.resok.obj_attributes.fileid; |
1492 | st.nfs_mode = res->GETATTR3res_u.resok.obj_attributes.mode; | |
fc08ac45 RL |
1493 | switch (res->GETATTR3res_u.resok.obj_attributes.type) { |
1494 | case NF3REG: | |
1495 | st.nfs_mode |= S_IFREG; | |
1496 | break; | |
1497 | case NF3DIR: | |
1498 | st.nfs_mode |= S_IFDIR; | |
1499 | break; | |
1500 | case NF3BLK: | |
1501 | st.nfs_mode |= S_IFBLK; | |
1502 | break; | |
1503 | case NF3CHR: | |
1504 | st.nfs_mode |= S_IFCHR; | |
1505 | break; | |
1506 | case NF3LNK: | |
1507 | st.nfs_mode |= S_IFLNK; | |
1508 | break; | |
1509 | case NF3SOCK: | |
1510 | st.nfs_mode |= S_IFSOCK; | |
1511 | break; | |
1512 | case NF3FIFO: | |
1513 | st.nfs_mode |= S_IFIFO; | |
1514 | break; | |
479302f7 RS |
1515 | } |
1516 | st.nfs_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink; | |
1517 | st.nfs_uid = res->GETATTR3res_u.resok.obj_attributes.uid; | |
1518 | st.nfs_gid = res->GETATTR3res_u.resok.obj_attributes.gid; | |
fc08ac45 | 1519 | st.nfs_rdev = specdata3_to_rdev(&res->GETATTR3res_u.resok.obj_attributes.rdev); |
479302f7 | 1520 | st.nfs_size = res->GETATTR3res_u.resok.obj_attributes.size; |
fc08ac45 RL |
1521 | st.nfs_blksize = NFS_BLKSIZE; |
1522 | st.nfs_blocks = (res->GETATTR3res_u.resok.obj_attributes.used + 512 - 1) / 512; | |
479302f7 RS |
1523 | st.nfs_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds; |
1524 | st.nfs_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds; | |
1525 | st.nfs_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds; | |
fc08ac45 RL |
1526 | st.nfs_atime_nsec = res->GETATTR3res_u.resok.obj_attributes.atime.nseconds; |
1527 | st.nfs_mtime_nsec = res->GETATTR3res_u.resok.obj_attributes.mtime.nseconds; | |
1528 | st.nfs_ctime_nsec = res->GETATTR3res_u.resok.obj_attributes.ctime.nseconds; | |
1529 | st.nfs_used = res->GETATTR3res_u.resok.obj_attributes.used; | |
479302f7 RS |
1530 | |
1531 | data->cb(0, nfs, &st, data->private_data); | |
1532 | free_nfs_cb_data(data); | |
1533 | } | |
1534 | ||
20379f03 | 1535 | static int nfs_stat64_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
479302f7 RS |
1536 | { |
1537 | struct GETATTR3args args; | |
1538 | ||
1539 | memset(&args, 0, sizeof(GETATTR3args)); | |
1540 | args.object = data->fh; | |
1541 | ||
1542 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat64_1_cb, &args, data) != 0) { | |
1543 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); | |
1544 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1545 | free_nfs_cb_data(data); | |
1546 | return -1; | |
1547 | } | |
1548 | return 0; | |
1549 | } | |
1550 | ||
bf769f96 | 1551 | int nfs_stat64_async_internal(struct nfs_context *nfs, const char *path, int no_follow, nfs_cb cb, void *private_data) |
479302f7 | 1552 | { |
bf769f96 | 1553 | if (nfs_lookuppath_async(nfs, path, no_follow, cb, private_data, nfs_stat64_continue_internal, NULL, NULL, 0) != 0) { |
479302f7 RS |
1554 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1555 | return -1; | |
1556 | } | |
1557 | ||
1558 | return 0; | |
1559 | } | |
84004dbf | 1560 | |
bf769f96 RL |
1561 | int nfs_stat64_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) |
1562 | { | |
1563 | return nfs_stat64_async_internal(nfs, path, 0, cb, private_data); | |
1564 | } | |
1565 | ||
1566 | int nfs_lstat64_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1567 | { | |
1568 | return nfs_stat64_async_internal(nfs, path, 1, cb, private_data); | |
1569 | } | |
1570 | ||
84004dbf RS |
1571 | /* |
1572 | * Async open() | |
1573 | */ | |
22a0f15b RS |
1574 | static void nfs_open_trunc_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
1575 | { | |
1576 | struct nfs_cb_data *data = private_data; | |
1577 | struct nfs_context *nfs = data->nfs; | |
be7b4360 | 1578 | struct nfsfh *nfsfh; |
22a0f15b RS |
1579 | SETATTR3res *res; |
1580 | ||
1581 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
1582 | ||
1583 | if (status == RPC_STATUS_ERROR) { | |
1584 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1585 | free_nfs_cb_data(data); | |
1586 | return; | |
1587 | } | |
1588 | if (status == RPC_STATUS_CANCEL) { | |
1589 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1590 | free_nfs_cb_data(data); | |
1591 | return; | |
1592 | } | |
1593 | ||
1594 | res = command_data; | |
1595 | if (res->status != NFS3_OK) { | |
1596 | rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1597 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1598 | free_nfs_cb_data(data); | |
1599 | return; | |
1600 | } | |
1601 | ||
be7b4360 RS |
1602 | nfsfh = malloc(sizeof(struct nfsfh)); |
1603 | if (nfsfh == NULL) { | |
1604 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
1605 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1606 | free_nfs_cb_data(data); | |
1607 | return; | |
1608 | } | |
1609 | memset(nfsfh, 0, sizeof(struct nfsfh)); | |
1610 | ||
1611 | if (data->continue_int & O_SYNC) { | |
1612 | nfsfh->is_sync = 1; | |
1613 | } | |
548e2bea RS |
1614 | if (data->continue_int & O_APPEND) { |
1615 | nfsfh->is_append = 1; | |
1616 | } | |
be7b4360 RS |
1617 | |
1618 | /* steal the filehandle */ | |
1619 | nfsfh->fh = data->fh; | |
1620 | data->fh.data.data_val = NULL; | |
1621 | ||
1622 | data->cb(0, nfs, nfsfh, data->private_data); | |
22a0f15b RS |
1623 | free_nfs_cb_data(data); |
1624 | } | |
1625 | ||
f3a75078 | 1626 | static void nfs_open_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1627 | { |
1628 | ACCESS3res *res; | |
1629 | struct nfs_cb_data *data = private_data; | |
1630 | struct nfs_context *nfs = data->nfs; | |
1631 | struct nfsfh *nfsfh; | |
1632 | unsigned int nfsmode = 0; | |
1633 | ||
f3a75078 RS |
1634 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1635 | ||
84004dbf RS |
1636 | if (status == RPC_STATUS_ERROR) { |
1637 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1638 | free_nfs_cb_data(data); | |
1639 | return; | |
1640 | } | |
1641 | if (status == RPC_STATUS_CANCEL) { | |
1642 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1643 | free_nfs_cb_data(data); | |
1644 | return; | |
1645 | } | |
1646 | ||
1647 | res = command_data; | |
1648 | if (res->status != NFS3_OK) { | |
1649 | 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)); | |
1650 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1651 | free_nfs_cb_data(data); | |
1652 | return; | |
1653 | } | |
1654 | ||
1655 | if (data->continue_int & O_WRONLY) { | |
1656 | nfsmode |= ACCESS3_MODIFY; | |
1657 | } | |
1658 | if (data->continue_int & O_RDWR) { | |
1659 | nfsmode |= ACCESS3_READ|ACCESS3_MODIFY; | |
1660 | } | |
1661 | if (!(data->continue_int & (O_WRONLY|O_RDWR))) { | |
1662 | nfsmode |= ACCESS3_READ; | |
1663 | } | |
1664 | ||
1665 | ||
1666 | if (res->ACCESS3res_u.resok.access != nfsmode) { | |
1667 | rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c", | |
1668 | nfsmode&ACCESS3_READ?'r':'-', | |
1669 | nfsmode&ACCESS3_MODIFY?'w':'-', | |
1670 | nfsmode&ACCESS3_EXECUTE?'x':'-', | |
1671 | res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-', | |
1672 | res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-', | |
1673 | res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-'); | |
1674 | data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1675 | free_nfs_cb_data(data); | |
1676 | return; | |
1677 | } | |
1678 | ||
22a0f15b RS |
1679 | /* Try to truncate it if we were requested to */ |
1680 | if ((data->continue_int & O_TRUNC) && | |
1681 | (data->continue_int & (O_RDWR|O_WRONLY))) { | |
1682 | SETATTR3args args; | |
1683 | ||
1684 | memset(&args, 0, sizeof(SETATTR3args)); | |
be7b4360 | 1685 | args.object = data->fh; |
22a0f15b RS |
1686 | args.new_attributes.size.set_it = 1; |
1687 | args.new_attributes.size.set_size3_u.size = 0; | |
1688 | ||
1689 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_open_trunc_cb, &args, | |
1690 | data) != 0) { | |
1691 | rpc_set_error(nfs->rpc, "RPC error: Failed to send " | |
1692 | "SETATTR call for %s", data->path); | |
1693 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), | |
1694 | data->private_data); | |
1695 | free_nfs_cb_data(data); | |
1696 | return; | |
1697 | } | |
1698 | return; | |
1699 | } | |
1700 | ||
be7b4360 RS |
1701 | nfsfh = malloc(sizeof(struct nfsfh)); |
1702 | if (nfsfh == NULL) { | |
1703 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
1704 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1705 | free_nfs_cb_data(data); | |
1706 | return; | |
1707 | } | |
1708 | memset(nfsfh, 0, sizeof(struct nfsfh)); | |
1709 | ||
1710 | if (data->continue_int & O_SYNC) { | |
1711 | nfsfh->is_sync = 1; | |
1712 | } | |
548e2bea RS |
1713 | if (data->continue_int & O_APPEND) { |
1714 | nfsfh->is_append = 1; | |
1715 | } | |
be7b4360 RS |
1716 | |
1717 | /* steal the filehandle */ | |
1718 | nfsfh->fh = data->fh; | |
1719 | data->fh.data.data_val = NULL; | |
1720 | ||
84004dbf RS |
1721 | data->cb(0, nfs, nfsfh, data->private_data); |
1722 | free_nfs_cb_data(data); | |
1723 | } | |
1724 | ||
20379f03 | 1725 | static int nfs_open_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
1726 | { |
1727 | int nfsmode = 0; | |
463d59bf | 1728 | ACCESS3args args; |
84004dbf RS |
1729 | |
1730 | if (data->continue_int & O_WRONLY) { | |
1731 | nfsmode |= ACCESS3_MODIFY; | |
1732 | } | |
1733 | if (data->continue_int & O_RDWR) { | |
1734 | nfsmode |= ACCESS3_READ|ACCESS3_MODIFY; | |
1735 | } | |
1736 | if (!(data->continue_int & (O_WRONLY|O_RDWR))) { | |
1737 | nfsmode |= ACCESS3_READ; | |
1738 | } | |
1739 | ||
463d59bf | 1740 | memset(&args, 0, sizeof(ACCESS3args)); |
2452c57f | 1741 | args.object = data->fh; |
463d59bf RS |
1742 | args.access = nfsmode; |
1743 | ||
1744 | if (rpc_nfs3_access_async(nfs->rpc, nfs_open_cb, &args, data) != 0) { | |
22a0f15b RS |
1745 | rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS " |
1746 | "call for %s", data->path); | |
1747 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), | |
1748 | data->private_data); | |
84004dbf RS |
1749 | free_nfs_cb_data(data); |
1750 | return -1; | |
1751 | } | |
1752 | return 0; | |
1753 | } | |
1754 | ||
3cea44dc | 1755 | int nfs_open_async(struct nfs_context *nfs, const char *path, int flags, nfs_cb cb, void *private_data) |
84004dbf | 1756 | { |
1d151991 | 1757 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_open_continue_internal, NULL, NULL, flags) != 0) { |
cbbf9d3e RS |
1758 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1759 | return -1; | |
84004dbf RS |
1760 | } |
1761 | ||
1762 | return 0; | |
1763 | } | |
1764 | ||
1765 | ||
f893b680 RS |
1766 | /* |
1767 | * Async chdir() | |
1768 | */ | |
20379f03 | 1769 | static int nfs_chdir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
f893b680 RS |
1770 | { |
1771 | /* steal saved_path */ | |
1772 | free(nfs->cwd); | |
1773 | nfs->cwd = data->saved_path; | |
1774 | data->saved_path = NULL; | |
84004dbf | 1775 | |
f893b680 RS |
1776 | data->cb(0, nfs, NULL, data->private_data); |
1777 | free_nfs_cb_data(data); | |
1778 | ||
1779 | return 0; | |
1780 | } | |
1781 | ||
1782 | int nfs_chdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1783 | { | |
1d151991 | 1784 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_chdir_continue_internal, NULL, NULL, 0) != 0) { |
f893b680 RS |
1785 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1786 | return -1; | |
1787 | } | |
1788 | ||
1789 | return 0; | |
1790 | } | |
84004dbf RS |
1791 | |
1792 | ||
1793 | /* | |
1794 | * Async pread() | |
1795 | */ | |
2449d3f7 PL |
1796 | static void nfs_fill_READ3args(READ3args *args, struct nfsfh *fh, uint64_t offset, uint64_t count) |
1797 | { | |
1798 | memset(args, 0, sizeof(READ3args)); | |
1799 | args->file = fh->fh; | |
1800 | args->offset = offset; | |
1801 | args->count = count; | |
1802 | } | |
1803 | ||
f3a75078 | 1804 | static void nfs_pread_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
921f877b RS |
1805 | { |
1806 | struct nfs_mcb_data *mdata = private_data; | |
1807 | struct nfs_cb_data *data = mdata->data; | |
1808 | struct nfs_context *nfs = data->nfs; | |
1809 | READ3res *res; | |
9cac8a63 RL |
1810 | int cb_err; |
1811 | void *cb_data; | |
921f877b | 1812 | |
f3a75078 RS |
1813 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1814 | ||
921f877b RS |
1815 | data->num_calls--; |
1816 | ||
1817 | if (status == RPC_STATUS_ERROR) { | |
1818 | /* flag the failure but do not invoke callback until we have received all responses */ | |
1819 | data->error = 1; | |
1820 | } | |
1821 | if (status == RPC_STATUS_CANCEL) { | |
1822 | /* flag the cancellation but do not invoke callback until we have received all responses */ | |
1823 | data->cancel = 1; | |
1824 | } | |
1825 | ||
921f877b RS |
1826 | if (status == RPC_STATUS_SUCCESS) { |
1827 | res = command_data; | |
1828 | if (res->status != NFS3_OK) { | |
1829 | rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1830 | data->error = 1; | |
567a94d9 AR |
1831 | } else { |
1832 | uint64_t count = res->READ3res_u.resok.count; | |
1833 | ||
1834 | if (mdata->update_pos) | |
1835 | data->nfsfh->offset += count; | |
1836 | ||
1eb4be31 | 1837 | /* if we have more than one call or we have received a short read we need a reassembly buffer */ |
567a94d9 | 1838 | if (data->num_calls || (count < mdata->count && !res->READ3res_u.resok.eof)) { |
1eb4be31 | 1839 | if (data->buffer == NULL) { |
3ca2aac9 | 1840 | data->buffer = malloc(data->count); |
1eb4be31 | 1841 | if (data->buffer == NULL) { |
3ca2aac9 | 1842 | rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)data->count); |
1eb4be31 PL |
1843 | data->oom = 1; |
1844 | } | |
1845 | } | |
1846 | } | |
567a94d9 AR |
1847 | if (count > 0) { |
1848 | if (count <= mdata->count) { | |
1eb4be31 PL |
1849 | /* copy data into reassembly buffer if we have one */ |
1850 | if (data->buffer != NULL) { | |
3ca2aac9 | 1851 | memcpy(&data->buffer[mdata->offset - data->offset], res->READ3res_u.resok.data.data_val, count); |
1eb4be31 | 1852 | } |
567a94d9 AR |
1853 | if (data->max_offset < mdata->offset + count) { |
1854 | data->max_offset = mdata->offset + count; | |
4d2f9f11 PL |
1855 | } |
1856 | } else { | |
1857 | rpc_set_error(nfs->rpc, "NFS: Read overflow. Server has sent more data than requested!"); | |
1858 | data->error = 1; | |
e4a5ba42 | 1859 | } |
921f877b | 1860 | } |
1eb4be31 | 1861 | /* check if we have received a short read */ |
567a94d9 AR |
1862 | if (count < mdata->count && !res->READ3res_u.resok.eof) { |
1863 | if (count == 0) { | |
1eb4be31 PL |
1864 | rpc_set_error(nfs->rpc, "NFS: Read failed. No bytes read and not at EOF!"); |
1865 | data->error = 1; | |
1866 | } else { | |
1867 | /* reissue reminder of this read request */ | |
1868 | READ3args args; | |
567a94d9 AR |
1869 | mdata->offset += count; |
1870 | mdata->count -= count; | |
1eb4be31 PL |
1871 | nfs_fill_READ3args(&args, data->nfsfh, mdata->offset, mdata->count); |
1872 | if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) == 0) { | |
1873 | data->num_calls++; | |
1874 | return; | |
1875 | } else { | |
1876 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); | |
ae8168b3 | 1877 | data->oom = 1; |
1eb4be31 PL |
1878 | } |
1879 | } | |
1880 | } | |
921f877b RS |
1881 | } |
1882 | } | |
1883 | ||
1eb4be31 PL |
1884 | free(mdata); |
1885 | ||
921f877b RS |
1886 | if (data->num_calls > 0) { |
1887 | /* still waiting for more replies */ | |
921f877b RS |
1888 | return; |
1889 | } | |
1eb4be31 PL |
1890 | if (data->oom != 0) { |
1891 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
1892 | free_nfs_cb_data(data); | |
1893 | return; | |
1894 | } | |
921f877b RS |
1895 | if (data->error != 0) { |
1896 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1897 | free_nfs_cb_data(data); | |
921f877b RS |
1898 | return; |
1899 | } | |
1900 | if (data->cancel != 0) { | |
1901 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1902 | free_nfs_cb_data(data); | |
921f877b RS |
1903 | return; |
1904 | } | |
1905 | ||
1eb4be31 | 1906 | if (data->buffer) { |
3ca2aac9 PL |
1907 | if (data->max_offset > data->org_offset + data->org_count) { |
1908 | data->max_offset = data->org_offset + data->org_count; | |
1909 | } | |
9cac8a63 RL |
1910 | cb_err = data->max_offset - data->org_offset; |
1911 | cb_data = data->buffer + (data->org_offset - data->offset); | |
1eb4be31 | 1912 | } else { |
9cac8a63 RL |
1913 | cb_err = res->READ3res_u.resok.count; |
1914 | cb_data = res->READ3res_u.resok.data.data_val; | |
1eb4be31 | 1915 | } |
7ed9d87a | 1916 | |
3ca2aac9 PL |
1917 | data->nfsfh->ra.fh_offset = data->max_offset; |
1918 | if (data->nfsfh->ra.cur_ra) { | |
1919 | free(data->nfsfh->ra.buf); | |
1920 | data->nfsfh->ra.buf = data->buffer; | |
1921 | data->nfsfh->ra.buf_offset = data->offset; | |
1922 | data->nfsfh->ra.buf_count = data->count; | |
1923 | data->nfsfh->ra.buf_ts = time(NULL); | |
1924 | data->buffer = NULL; | |
1925 | } | |
9cac8a63 RL |
1926 | |
1927 | data->cb(cb_err, nfs, cb_data, data->private_data); | |
921f877b | 1928 | free_nfs_cb_data(data); |
921f877b RS |
1929 | } |
1930 | ||
3ca2aac9 PL |
1931 | static void nfs_ra_invalidate(struct nfsfh *nfsfh) { |
1932 | free(nfsfh->ra.buf); | |
1933 | nfsfh->ra.buf = NULL; | |
1934 | nfsfh->ra.buf_offset = 0; | |
1935 | nfsfh->ra.buf_count = 0; | |
1936 | nfsfh->ra.buf_ts = time(NULL); | |
1937 | nfsfh->ra.cur_ra = NFS_BLKSIZE; | |
1938 | } | |
1939 | ||
567a94d9 | 1940 | 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 |
1941 | { |
1942 | struct nfs_cb_data *data; | |
1943 | ||
1944 | data = malloc(sizeof(struct nfs_cb_data)); | |
1945 | if (data == NULL) { | |
1946 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1947 | return -1; |
1948 | } | |
ea98629a | 1949 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
1950 | data->nfs = nfs; |
1951 | data->cb = cb; | |
1952 | data->private_data = private_data; | |
1953 | data->nfsfh = nfsfh; | |
3ca2aac9 PL |
1954 | data->org_offset = offset; |
1955 | data->org_count = count; | |
84004dbf | 1956 | |
c8f0bac1 AR |
1957 | assert(data->num_calls == 0); |
1958 | ||
3ca2aac9 PL |
1959 | if (nfs->rpc->readahead && time(NULL) - nfsfh->ra.buf_ts > NFS_RA_TIMEOUT) { |
1960 | /* readahead cache timeout */ | |
1961 | nfs_ra_invalidate(nfsfh); | |
1962 | } | |
1963 | ||
1964 | if (nfs->rpc->readahead) { | |
1965 | if (offset >= nfsfh->ra.last_offset && | |
1966 | offset - NFS_BLKSIZE <= nfsfh->ra.fh_offset + nfsfh->ra.cur_ra) { | |
1967 | if (nfs->rpc->readahead > nfsfh->ra.cur_ra) { | |
1968 | nfsfh->ra.cur_ra <<= 1; | |
1969 | } | |
1970 | } else { | |
1971 | nfsfh->ra.cur_ra = NFS_BLKSIZE; | |
1972 | } | |
1973 | ||
1974 | nfsfh->ra.last_offset = offset; | |
1975 | ||
1976 | if (nfsfh->ra.buf_offset <= offset && | |
1977 | nfsfh->ra.buf_offset + nfsfh->ra.buf_count >= offset + count) { | |
1978 | /* serve request completely from cache */ | |
1979 | data->buffer = malloc(count); | |
1980 | if (data->buffer == NULL) { | |
1981 | free_nfs_cb_data(data); | |
1982 | return -ENOMEM; | |
1983 | } | |
1984 | memcpy(data->buffer, nfsfh->ra.buf + (offset - nfsfh->ra.buf_offset), count); | |
1985 | data->cb(count, nfs, data->buffer, data->private_data); | |
1986 | nfsfh->ra.fh_offset = offset + count; | |
1987 | free_nfs_cb_data(data); | |
1988 | return 0; | |
1989 | } | |
1990 | ||
1991 | /* align start offset to blocksize */ | |
1992 | count += offset & (NFS_BLKSIZE - 1); | |
1993 | offset &= ~(NFS_BLKSIZE - 1); | |
1994 | ||
1995 | /* align end offset to blocksize and add readahead */ | |
1996 | count += nfsfh->ra.cur_ra - 1; | |
1997 | count &= ~(NFS_BLKSIZE - 1); | |
1998 | ||
1999 | data->buffer = malloc(count); | |
2000 | if (data->buffer == NULL) { | |
2001 | free_nfs_cb_data(data); | |
2002 | return -ENOMEM; | |
2003 | } | |
2004 | data->offset = offset; | |
2005 | data->count = count; | |
2006 | ||
2007 | if (nfsfh->ra.buf_count && nfsfh->ra.buf_offset <= offset && | |
2008 | nfsfh->ra.buf_offset + nfsfh->ra.buf_count >= offset) { | |
2009 | /* serve request partially from cache */ | |
2010 | size_t overlap = (nfsfh->ra.buf_offset + nfsfh->ra.buf_count) - offset; | |
2011 | if (overlap > count) count = overlap; | |
2012 | memcpy(data->buffer, nfsfh->ra.buf + (offset - nfsfh->ra.buf_offset), overlap); | |
2013 | offset += overlap; | |
2014 | count -= overlap; | |
2015 | } | |
2016 | } else { | |
2017 | data->offset = offset; | |
2018 | data->count = count; | |
2019 | } | |
2020 | ||
2021 | data->max_offset = offset; | |
2022 | ||
40a4373a | 2023 | /* chop requests into chunks of at most READMAX bytes if necessary. |
cd67ec7d | 2024 | * we send all reads in parallel so that performance is still good. |
921f877b | 2025 | */ |
1eb4be31 | 2026 | do { |
183451cf | 2027 | uint64_t readcount = count; |
921f877b | 2028 | struct nfs_mcb_data *mdata; |
463d59bf | 2029 | READ3args args; |
921f877b RS |
2030 | |
2031 | if (readcount > nfs_get_readmax(nfs)) { | |
2032 | readcount = nfs_get_readmax(nfs); | |
2033 | } | |
2034 | ||
2035 | mdata = malloc(sizeof(struct nfs_mcb_data)); | |
2036 | if (mdata == NULL) { | |
2037 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure"); | |
ae8168b3 | 2038 | if (data->num_calls == 0) { |
c8f0bac1 | 2039 | free_nfs_cb_data(data); |
ae8168b3 PL |
2040 | return -1; |
2041 | } | |
2042 | data->oom = 1; | |
40a4373a | 2043 | break; |
921f877b | 2044 | } |
ea98629a | 2045 | memset(mdata, 0, sizeof(struct nfs_mcb_data)); |
921f877b RS |
2046 | mdata->data = data; |
2047 | mdata->offset = offset; | |
2048 | mdata->count = readcount; | |
567a94d9 | 2049 | mdata->update_pos = update_pos; |
463d59bf | 2050 | |
2449d3f7 | 2051 | nfs_fill_READ3args(&args, nfsfh, offset, readcount); |
463d59bf RS |
2052 | |
2053 | if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) != 0) { | |
921f877b | 2054 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); |
921f877b | 2055 | free(mdata); |
ae8168b3 | 2056 | if (data->num_calls == 0) { |
c8f0bac1 | 2057 | free_nfs_cb_data(data); |
ae8168b3 PL |
2058 | return -1; |
2059 | } | |
2060 | data->oom = 1; | |
40a4373a | 2061 | break; |
921f877b RS |
2062 | } |
2063 | ||
2064 | count -= readcount; | |
2065 | offset += readcount; | |
2066 | data->num_calls++; | |
1eb4be31 | 2067 | } while (count > 0); |
921f877b RS |
2068 | |
2069 | return 0; | |
84004dbf RS |
2070 | } |
2071 | ||
567a94d9 AR |
2072 | int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, nfs_cb cb, void *private_data) |
2073 | { | |
2074 | return nfs_pread_async_internal(nfs, nfsfh, offset, count, cb, private_data, 0); | |
2075 | } | |
2076 | ||
84004dbf RS |
2077 | /* |
2078 | * Async read() | |
2079 | */ | |
183451cf | 2080 | int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, nfs_cb cb, void *private_data) |
84004dbf | 2081 | { |
567a94d9 | 2082 | return nfs_pread_async_internal(nfs, nfsfh, nfsfh->offset, count, cb, private_data, 1); |
84004dbf RS |
2083 | } |
2084 | ||
2085 | ||
2086 | ||
2087 | /* | |
2088 | * Async pwrite() | |
2089 | */ | |
2449d3f7 PL |
2090 | static void nfs_fill_WRITE3args (WRITE3args *args, struct nfsfh *fh, uint64_t offset, uint64_t count, |
2091 | void *buf) | |
2092 | { | |
2093 | memset(args, 0, sizeof(WRITE3args)); | |
2094 | args->file = fh->fh; | |
2095 | args->offset = offset; | |
2096 | args->count = count; | |
548e2bea | 2097 | args->stable = fh->is_sync ? FILE_SYNC : UNSTABLE; |
2449d3f7 PL |
2098 | args->data.data_len = count; |
2099 | args->data.data_val = buf; | |
2100 | } | |
2101 | ||
f3a75078 | 2102 | static void nfs_pwrite_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
18c27b73 RS |
2103 | { |
2104 | struct nfs_mcb_data *mdata = private_data; | |
2105 | struct nfs_cb_data *data = mdata->data; | |
2106 | struct nfs_context *nfs = data->nfs; | |
2107 | WRITE3res *res; | |
2108 | ||
f3a75078 RS |
2109 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2110 | ||
18c27b73 RS |
2111 | data->num_calls--; |
2112 | ||
2113 | if (status == RPC_STATUS_ERROR) { | |
2114 | /* flag the failure but do not invoke callback until we have received all responses */ | |
2115 | data->error = 1; | |
2116 | } | |
2117 | if (status == RPC_STATUS_CANCEL) { | |
2118 | /* flag the cancellation but do not invoke callback until we have received all responses */ | |
2119 | data->cancel = 1; | |
2120 | } | |
2121 | ||
2122 | if (status == RPC_STATUS_SUCCESS) { | |
2123 | res = command_data; | |
2124 | if (res->status != NFS3_OK) { | |
2125 | rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2126 | data->error = 1; | |
2127 | } else { | |
567a94d9 AR |
2128 | uint64_t count = res->WRITE3res_u.resok.count; |
2129 | ||
2130 | if (mdata->update_pos) | |
2131 | data->nfsfh->offset += count; | |
2132 | ||
2133 | if (count < mdata->count) { | |
2134 | if (count == 0) { | |
027a767e PL |
2135 | rpc_set_error(nfs->rpc, "NFS: Write failed. No bytes written!"); |
2136 | data->error = 1; | |
2137 | } else { | |
2138 | /* reissue reminder of this write request */ | |
2139 | WRITE3args args; | |
567a94d9 AR |
2140 | mdata->offset += count; |
2141 | mdata->count -= count; | |
2142 | ||
027a767e | 2143 | nfs_fill_WRITE3args(&args, data->nfsfh, mdata->offset, mdata->count, |
3ca2aac9 | 2144 | &data->usrbuf[mdata->offset - data->offset]); |
027a767e PL |
2145 | if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) == 0) { |
2146 | data->num_calls++; | |
2147 | return; | |
2148 | } else { | |
2149 | rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path); | |
ae8168b3 | 2150 | data->oom = 1; |
027a767e PL |
2151 | } |
2152 | } | |
2153 | } | |
567a94d9 AR |
2154 | if (count > 0) { |
2155 | if (data->max_offset < mdata->offset + count) { | |
2156 | data->max_offset = mdata->offset + count; | |
18c27b73 RS |
2157 | } |
2158 | } | |
2159 | } | |
2160 | } | |
2161 | ||
027a767e PL |
2162 | free(mdata); |
2163 | ||
18c27b73 RS |
2164 | if (data->num_calls > 0) { |
2165 | /* still waiting for more replies */ | |
18c27b73 RS |
2166 | return; |
2167 | } | |
ae8168b3 PL |
2168 | if (data->oom != 0) { |
2169 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
2170 | free_nfs_cb_data(data); | |
2171 | return; | |
2172 | } | |
18c27b73 RS |
2173 | if (data->error != 0) { |
2174 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2175 | free_nfs_cb_data(data); | |
18c27b73 RS |
2176 | return; |
2177 | } | |
2178 | if (data->cancel != 0) { | |
2179 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2180 | free_nfs_cb_data(data); | |
18c27b73 RS |
2181 | return; |
2182 | } | |
2183 | ||
3ca2aac9 | 2184 | data->cb(data->max_offset - data->offset, nfs, NULL, data->private_data); |
18c27b73 RS |
2185 | |
2186 | free_nfs_cb_data(data); | |
18c27b73 RS |
2187 | } |
2188 | ||
2189 | ||
567a94d9 | 2190 | 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 |
2191 | { |
2192 | struct nfs_cb_data *data; | |
2193 | ||
2194 | data = malloc(sizeof(struct nfs_cb_data)); | |
2195 | if (data == NULL) { | |
2196 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
2197 | return -1; |
2198 | } | |
ea98629a | 2199 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2200 | data->nfs = nfs; |
2201 | data->cb = cb; | |
2202 | data->private_data = private_data; | |
2203 | data->nfsfh = nfsfh; | |
027a767e | 2204 | data->usrbuf = buf; |
84004dbf | 2205 | |
63d4a058 | 2206 | /* hello, clang-analyzer */ |
63d4a058 AR |
2207 | assert(data->num_calls == 0); |
2208 | ||
40a4373a | 2209 | /* chop requests into chunks of at most WRITEMAX bytes if necessary. |
cd67ec7d | 2210 | * we send all writes in parallel so that performance is still good. |
18c27b73 RS |
2211 | */ |
2212 | data->max_offset = offset; | |
3ca2aac9 | 2213 | data->offset = offset; |
18c27b73 | 2214 | |
027a767e | 2215 | do { |
183451cf | 2216 | uint64_t writecount = count; |
18c27b73 | 2217 | struct nfs_mcb_data *mdata; |
463d59bf | 2218 | WRITE3args args; |
18c27b73 RS |
2219 | |
2220 | if (writecount > nfs_get_writemax(nfs)) { | |
2221 | writecount = nfs_get_writemax(nfs); | |
2222 | } | |
2223 | ||
2224 | mdata = malloc(sizeof(struct nfs_mcb_data)); | |
2225 | if (mdata == NULL) { | |
2226 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure"); | |
ae8168b3 | 2227 | if (data->num_calls == 0) { |
63d4a058 | 2228 | free_nfs_cb_data(data); |
ae8168b3 PL |
2229 | return -1; |
2230 | } | |
2231 | data->oom = 1; | |
40a4373a | 2232 | break; |
18c27b73 RS |
2233 | } |
2234 | memset(mdata, 0, sizeof(struct nfs_mcb_data)); | |
2235 | mdata->data = data; | |
2236 | mdata->offset = offset; | |
2237 | mdata->count = writecount; | |
567a94d9 | 2238 | mdata->update_pos = update_pos; |
18c27b73 | 2239 | |
3ca2aac9 | 2240 | nfs_fill_WRITE3args(&args, nfsfh, offset, writecount, &buf[offset - data->offset]); |
463d59bf RS |
2241 | |
2242 | if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) != 0) { | |
18c27b73 | 2243 | rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path); |
18c27b73 | 2244 | free(mdata); |
ae8168b3 | 2245 | if (data->num_calls == 0) { |
63d4a058 | 2246 | free_nfs_cb_data(data); |
ae8168b3 PL |
2247 | return -1; |
2248 | } | |
2249 | data->oom = 1; | |
40a4373a | 2250 | break; |
18c27b73 RS |
2251 | } |
2252 | ||
2253 | count -= writecount; | |
2254 | offset += writecount; | |
2255 | data->num_calls++; | |
027a767e | 2256 | } while (count > 0); |
18c27b73 | 2257 | |
84004dbf RS |
2258 | return 0; |
2259 | } | |
2260 | ||
567a94d9 AR |
2261 | 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) |
2262 | { | |
2263 | return nfs_pwrite_async_internal(nfs, nfsfh, offset, count, buf, cb, private_data, 0); | |
2264 | } | |
2265 | ||
84004dbf RS |
2266 | /* |
2267 | * Async write() | |
2268 | */ | |
548e2bea RS |
2269 | static void nfs_write_append_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
2270 | { | |
2271 | struct nfs_cb_data *data = private_data; | |
2272 | struct nfs_context *nfs = data->nfs; | |
2273 | GETATTR3res *res; | |
2274 | ||
2275 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
2276 | ||
2277 | if (status == RPC_STATUS_ERROR) { | |
2278 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2279 | free_nfs_cb_data(data); | |
2280 | return; | |
2281 | } | |
2282 | if (status == RPC_STATUS_CANCEL) { | |
2283 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2284 | free_nfs_cb_data(data); | |
2285 | return; | |
2286 | } | |
2287 | ||
2288 | res = command_data; | |
2289 | if (res->status != NFS3_OK) { | |
2290 | rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2291 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2292 | free_nfs_cb_data(data); | |
2293 | return; | |
2294 | } | |
2295 | ||
2296 | 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) { | |
2297 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2298 | free_nfs_cb_data(data); | |
2299 | return; | |
2300 | } | |
2301 | free_nfs_cb_data(data); | |
2302 | } | |
2303 | ||
183451cf | 2304 | int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data) |
84004dbf | 2305 | { |
3ca2aac9 | 2306 | nfs_ra_invalidate(nfsfh); |
548e2bea RS |
2307 | if (nfsfh->is_append) { |
2308 | struct GETATTR3args args; | |
2309 | struct nfs_cb_data *data; | |
2310 | ||
2311 | data = malloc(sizeof(struct nfs_cb_data)); | |
2312 | if (data == NULL) { | |
2313 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
2314 | return -1; | |
2315 | } | |
2316 | memset(data, 0, sizeof(struct nfs_cb_data)); | |
2317 | data->nfs = nfs; | |
2318 | data->cb = cb; | |
2319 | data->private_data = private_data; | |
2320 | data->nfsfh = nfsfh; | |
2321 | data->usrbuf = buf; | |
2322 | data->count = count; | |
2323 | ||
2324 | memset(&args, 0, sizeof(GETATTR3args)); | |
2325 | args.object = nfsfh->fh; | |
2326 | ||
2327 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_write_append_cb, &args, data) != 0) { | |
2328 | rpc_set_error(nfs->rpc, "out of memory: failed to send GETATTR"); | |
2329 | free_nfs_cb_data(data); | |
2330 | return -1; | |
2331 | } | |
2332 | return 0; | |
2333 | } | |
567a94d9 | 2334 | return nfs_pwrite_async_internal(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data, 1); |
84004dbf RS |
2335 | } |
2336 | ||
2337 | ||
2338 | ||
2339 | ||
2340 | /* | |
2341 | * close | |
2342 | */ | |
4b1ae88a | 2343 | |
84004dbf RS |
2344 | int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) |
2345 | { | |
370c59e3 | 2346 | free_nfsfh(nfsfh); |
84004dbf RS |
2347 | cb(0, nfs, NULL, private_data); |
2348 | return 0; | |
2349 | }; | |
2350 | ||
2351 | ||
2352 | ||
2353 | ||
2354 | ||
2355 | /* | |
2356 | * Async fstat() | |
2357 | */ | |
2358 | int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
2359 | { | |
2360 | struct nfs_cb_data *data; | |
463d59bf | 2361 | struct GETATTR3args args; |
84004dbf RS |
2362 | |
2363 | data = malloc(sizeof(struct nfs_cb_data)); | |
2364 | if (data == NULL) { | |
2365 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
2366 | return -1; |
2367 | } | |
ea98629a | 2368 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2369 | data->nfs = nfs; |
2370 | data->cb = cb; | |
2371 | data->private_data = private_data; | |
2372 | ||
463d59bf | 2373 | memset(&args, 0, sizeof(GETATTR3args)); |
2452c57f | 2374 | args.object = nfsfh->fh; |
463d59bf RS |
2375 | |
2376 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) { | |
84004dbf RS |
2377 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); |
2378 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2379 | free_nfs_cb_data(data); | |
2380 | return -1; | |
2381 | } | |
2382 | return 0; | |
2383 | } | |
2384 | ||
3e020c15 RL |
2385 | /* |
2386 | * Async fstat64() | |
2387 | */ | |
2388 | int nfs_fstat64_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
2389 | { | |
2390 | struct nfs_cb_data *data; | |
2391 | struct GETATTR3args args; | |
2392 | ||
2393 | data = malloc(sizeof(struct nfs_cb_data)); | |
2394 | if (data == NULL) { | |
2395 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
2396 | return -1; | |
2397 | } | |
2398 | memset(data, 0, sizeof(struct nfs_cb_data)); | |
2399 | data->nfs = nfs; | |
2400 | data->cb = cb; | |
2401 | data->private_data = private_data; | |
2402 | ||
2403 | memset(&args, 0, sizeof(GETATTR3args)); | |
2404 | args.object = nfsfh->fh; | |
2405 | ||
2406 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat64_1_cb, &args, data) != 0) { | |
2407 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); | |
2408 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2409 | free_nfs_cb_data(data); | |
2410 | return -1; | |
2411 | } | |
2412 | return 0; | |
2413 | } | |
2414 | ||
84004dbf RS |
2415 | |
2416 | ||
2417 | /* | |
2418 | * Async fsync() | |
2419 | */ | |
f3a75078 | 2420 | static void nfs_fsync_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2421 | { |
2422 | struct nfs_cb_data *data = private_data; | |
2423 | struct nfs_context *nfs = data->nfs; | |
2424 | COMMIT3res *res; | |
2425 | ||
f3a75078 RS |
2426 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2427 | ||
84004dbf RS |
2428 | if (status == RPC_STATUS_ERROR) { |
2429 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2430 | free_nfs_cb_data(data); | |
2431 | return; | |
2432 | } | |
2433 | if (status == RPC_STATUS_CANCEL) { | |
2434 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2435 | free_nfs_cb_data(data); | |
2436 | return; | |
2437 | } | |
2438 | ||
2439 | res = command_data; | |
2440 | if (res->status != NFS3_OK) { | |
2441 | rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2442 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2443 | free_nfs_cb_data(data); | |
2444 | return; | |
2445 | } | |
2446 | ||
2447 | data->cb(0, nfs, NULL, data->private_data); | |
2448 | free_nfs_cb_data(data); | |
2449 | } | |
2450 | ||
2451 | int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
2452 | { | |
2453 | struct nfs_cb_data *data; | |
1a5636ff | 2454 | struct COMMIT3args args; |
84004dbf RS |
2455 | |
2456 | data = malloc(sizeof(struct nfs_cb_data)); | |
2457 | if (data == NULL) { | |
2458 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
2459 | return -1; |
2460 | } | |
ea98629a | 2461 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2462 | data->nfs = nfs; |
2463 | data->cb = cb; | |
2464 | data->private_data = private_data; | |
2465 | ||
1a5636ff RS |
2466 | args.file = nfsfh->fh; |
2467 | args.offset = 0; | |
2468 | args.count = 0; | |
2469 | if (rpc_nfs3_commit_async(nfs->rpc, nfs_fsync_cb, &args, data) != 0) { | |
84004dbf RS |
2470 | rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path); |
2471 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2472 | free_nfs_cb_data(data); | |
2473 | return -1; | |
2474 | } | |
2475 | return 0; | |
2476 | } | |
2477 | ||
2478 | ||
2479 | ||
2480 | ||
2481 | /* | |
2482 | * Async ftruncate() | |
2483 | */ | |
f3a75078 | 2484 | static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2485 | { |
2486 | struct nfs_cb_data *data = private_data; | |
2487 | struct nfs_context *nfs = data->nfs; | |
2488 | SETATTR3res *res; | |
2489 | ||
f3a75078 RS |
2490 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2491 | ||
84004dbf RS |
2492 | if (status == RPC_STATUS_ERROR) { |
2493 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2494 | free_nfs_cb_data(data); | |
2495 | return; | |
2496 | } | |
2497 | if (status == RPC_STATUS_CANCEL) { | |
2498 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2499 | free_nfs_cb_data(data); | |
2500 | return; | |
2501 | } | |
2502 | ||
2503 | res = command_data; | |
2504 | if (res->status != NFS3_OK) { | |
2505 | rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2506 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2507 | free_nfs_cb_data(data); | |
2508 | return; | |
2509 | } | |
2510 | ||
2511 | data->cb(0, nfs, NULL, data->private_data); | |
2512 | free_nfs_cb_data(data); | |
2513 | } | |
2514 | ||
183451cf | 2515 | int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data) |
84004dbf RS |
2516 | { |
2517 | struct nfs_cb_data *data; | |
2518 | SETATTR3args args; | |
2519 | ||
2520 | data = malloc(sizeof(struct nfs_cb_data)); | |
2521 | if (data == NULL) { | |
2522 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
2523 | return -1; |
2524 | } | |
ea98629a | 2525 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2526 | data->nfs = nfs; |
2527 | data->cb = cb; | |
2528 | data->private_data = private_data; | |
2529 | ||
ea98629a | 2530 | memset(&args, 0, sizeof(SETATTR3args)); |
2452c57f | 2531 | args.object = nfsfh->fh; |
84004dbf RS |
2532 | args.new_attributes.size.set_it = 1; |
2533 | args.new_attributes.size.set_size3_u.size = length; | |
2534 | ||
b701254d | 2535 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) { |
84004dbf RS |
2536 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
2537 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2538 | free_nfs_cb_data(data); | |
2539 | return -1; | |
2540 | } | |
2541 | return 0; | |
2542 | } | |
2543 | ||
2544 | ||
2545 | /* | |
2546 | * Async truncate() | |
2547 | */ | |
20379f03 | 2548 | static int nfs_truncate_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 2549 | { |
183451cf | 2550 | uint64_t offset = data->continue_int; |
84004dbf RS |
2551 | struct nfsfh nfsfh; |
2552 | ||
2452c57f | 2553 | nfsfh.fh = data->fh; |
84004dbf RS |
2554 | |
2555 | if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) { | |
2556 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
2557 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2558 | free_nfs_cb_data(data); | |
2559 | return -1; | |
2560 | } | |
2561 | free_nfs_cb_data(data); | |
2562 | return 0; | |
2563 | } | |
2564 | ||
183451cf | 2565 | int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data) |
84004dbf | 2566 | { |
183451cf | 2567 | uint64_t offset; |
84004dbf RS |
2568 | |
2569 | offset = length; | |
2570 | ||
1d151991 | 2571 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) { |
cbbf9d3e RS |
2572 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2573 | return -1; | |
84004dbf RS |
2574 | } |
2575 | ||
2576 | return 0; | |
2577 | } | |
2578 | ||
2579 | ||
2580 | ||
2581 | ||
2582 | /* | |
2583 | * Async mkdir() | |
2584 | */ | |
f3a75078 | 2585 | static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2586 | { |
2587 | MKDIR3res *res; | |
2588 | struct nfs_cb_data *data = private_data; | |
2589 | struct nfs_context *nfs = data->nfs; | |
2590 | char *str = data->continue_data; | |
4b1ae88a | 2591 | |
f3a75078 RS |
2592 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2593 | ||
84004dbf RS |
2594 | str = &str[strlen(str) + 1]; |
2595 | ||
2596 | if (status == RPC_STATUS_ERROR) { | |
2597 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2598 | free_nfs_cb_data(data); | |
2599 | return; | |
2600 | } | |
2601 | if (status == RPC_STATUS_CANCEL) { | |
2602 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2603 | free_nfs_cb_data(data); | |
2604 | return; | |
2605 | } | |
2606 | ||
2607 | res = command_data; | |
2608 | if (res->status != NFS3_OK) { | |
2609 | 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)); | |
2610 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2611 | free_nfs_cb_data(data); | |
2612 | return; | |
2613 | } | |
2614 | ||
2615 | data->cb(0, nfs, NULL, data->private_data); | |
2616 | free_nfs_cb_data(data); | |
2617 | } | |
2618 | ||
20379f03 | 2619 | static int nfs_mkdir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
2620 | { |
2621 | char *str = data->continue_data; | |
7edc9026 RS |
2622 | MKDIR3args args; |
2623 | ||
84004dbf RS |
2624 | str = &str[strlen(str) + 1]; |
2625 | ||
7edc9026 | 2626 | memset(&args, 0, sizeof(MKDIR3args)); |
2452c57f | 2627 | args.where.dir = data->fh; |
7edc9026 RS |
2628 | args.where.name = str; |
2629 | args.attributes.mode.set_it = 1; | |
2630 | args.attributes.mode.set_mode3_u.mode = 0755; | |
2631 | ||
acabd6bf | 2632 | if (rpc_nfs3_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) { |
84004dbf RS |
2633 | rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path); |
2634 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2635 | free_nfs_cb_data(data); | |
2636 | return -1; | |
2637 | } | |
2638 | return 0; | |
2639 | } | |
2640 | ||
2641 | int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
2642 | { | |
2643 | char *new_path; | |
2644 | char *ptr; | |
2645 | ||
2646 | new_path = strdup(path); | |
2647 | if (new_path == NULL) { | |
cbbf9d3e | 2648 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
2649 | return -1; |
2650 | } | |
2651 | ||
93e9306f | 2652 | ptr = strrchr(new_path, '/'); |
84004dbf | 2653 | if (ptr == NULL) { |
b1a197f5 | 2654 | free(new_path); |
cbbf9d3e RS |
2655 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
2656 | return -1; | |
84004dbf RS |
2657 | } |
2658 | *ptr = 0; | |
2659 | ||
2660 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1d151991 | 2661 | if (nfs_lookuppath_async(nfs, new_path, 0, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) { |
cbbf9d3e RS |
2662 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component"); |
2663 | return -1; | |
84004dbf RS |
2664 | } |
2665 | ||
2666 | return 0; | |
2667 | } | |
2668 | ||
2669 | ||
2670 | ||
2671 | ||
2672 | ||
2673 | /* | |
2674 | * Async rmdir() | |
2675 | */ | |
f3a75078 | 2676 | static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2677 | { |
2678 | RMDIR3res *res; | |
2679 | struct nfs_cb_data *data = private_data; | |
2680 | struct nfs_context *nfs = data->nfs; | |
2681 | char *str = data->continue_data; | |
4b1ae88a | 2682 | |
f3a75078 RS |
2683 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2684 | ||
84004dbf RS |
2685 | str = &str[strlen(str) + 1]; |
2686 | ||
2687 | if (status == RPC_STATUS_ERROR) { | |
2688 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2689 | free_nfs_cb_data(data); | |
2690 | return; | |
2691 | } | |
2692 | if (status == RPC_STATUS_CANCEL) { | |
2693 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2694 | free_nfs_cb_data(data); | |
2695 | return; | |
2696 | } | |
2697 | ||
2698 | res = command_data; | |
2699 | if (res->status != NFS3_OK) { | |
2700 | 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)); | |
2701 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2702 | free_nfs_cb_data(data); | |
2703 | return; | |
2704 | } | |
2705 | ||
2706 | data->cb(0, nfs, NULL, data->private_data); | |
2707 | free_nfs_cb_data(data); | |
2708 | } | |
2709 | ||
20379f03 | 2710 | static int nfs_rmdir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
2711 | { |
2712 | char *str = data->continue_data; | |
bf817ee6 RS |
2713 | RMDIR3args args; |
2714 | ||
84004dbf RS |
2715 | str = &str[strlen(str) + 1]; |
2716 | ||
bf817ee6 RS |
2717 | args.object.dir = data->fh; |
2718 | args.object.name = str; | |
2719 | if (rpc_nfs3_rmdir_async(nfs->rpc, nfs_rmdir_cb, &args, data) != 0) { | |
84004dbf RS |
2720 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path); |
2721 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2722 | free_nfs_cb_data(data); | |
2723 | return -1; | |
2724 | } | |
2725 | return 0; | |
2726 | } | |
2727 | ||
2728 | int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
2729 | { | |
2730 | char *new_path; | |
2731 | char *ptr; | |
2732 | ||
2733 | new_path = strdup(path); | |
2734 | if (new_path == NULL) { | |
cbbf9d3e | 2735 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
2736 | return -1; |
2737 | } | |
2738 | ||
93e9306f | 2739 | ptr = strrchr(new_path, '/'); |
84004dbf | 2740 | if (ptr == NULL) { |
2257433d | 2741 | free(new_path); |
cbbf9d3e RS |
2742 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
2743 | return -1; | |
84004dbf RS |
2744 | } |
2745 | *ptr = 0; | |
2746 | ||
2747 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1d151991 | 2748 | if (nfs_lookuppath_async(nfs, new_path, 0, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) { |
cbbf9d3e RS |
2749 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2750 | return -1; | |
84004dbf RS |
2751 | } |
2752 | ||
2753 | return 0; | |
2754 | } | |
2755 | ||
2756 | ||
2757 | ||
2758 | ||
2759 | /* | |
2760 | * Async creat() | |
2761 | */ | |
037a1061 RL |
2762 | struct create_cb_data { |
2763 | char *path; | |
2764 | int flags; | |
2765 | int mode; | |
2766 | }; | |
2767 | ||
2768 | static void free_create_cb_data(void *ptr) | |
2769 | { | |
2770 | struct create_cb_data *data = ptr; | |
2771 | ||
2772 | free(data->path); | |
2773 | free(data); | |
2774 | } | |
2775 | ||
370c59e3 RL |
2776 | static void nfs_create_trunc_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
2777 | { | |
2778 | struct nfs_cb_data *data = private_data; | |
2779 | struct nfs_context *nfs = data->nfs; | |
2780 | struct nfsfh *nfsfh; | |
2781 | SETATTR3res *res; | |
2782 | ||
2783 | assert(rpc->magic == RPC_CONTEXT_MAGIC); | |
2784 | ||
2785 | if (status == RPC_STATUS_ERROR) { | |
2786 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2787 | free_nfs_cb_data(data); | |
2788 | free_nfsfh(nfsfh); | |
2789 | return; | |
2790 | } | |
2791 | if (status == RPC_STATUS_CANCEL) { | |
2792 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2793 | free_nfs_cb_data(data); | |
2794 | free_nfsfh(nfsfh); | |
2795 | return; | |
2796 | } | |
2797 | ||
2798 | res = command_data; | |
2799 | if (res->status != NFS3_OK) { | |
2800 | rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2801 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2802 | free_nfs_cb_data(data); | |
2803 | free_nfsfh(nfsfh); | |
2804 | return; | |
2805 | } | |
2806 | ||
2807 | data->cb(0, nfs, data->nfsfh, data->private_data); | |
2808 | free_nfs_cb_data(data); | |
2809 | } | |
2810 | ||
f3a75078 | 2811 | static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2812 | { |
2813 | LOOKUP3res *res; | |
2814 | struct nfs_cb_data *data = private_data; | |
2815 | struct nfs_context *nfs = data->nfs; | |
2816 | struct nfsfh *nfsfh; | |
037a1061 RL |
2817 | struct create_cb_data *cb_data = data->continue_data; |
2818 | char *str = cb_data->path; | |
84004dbf | 2819 | |
f3a75078 RS |
2820 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2821 | ||
84004dbf RS |
2822 | if (status == RPC_STATUS_ERROR) { |
2823 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2824 | free_nfs_cb_data(data); | |
2825 | return; | |
2826 | } | |
2827 | if (status == RPC_STATUS_CANCEL) { | |
2828 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2829 | free_nfs_cb_data(data); | |
2830 | return; | |
2831 | } | |
2832 | ||
2833 | str = &str[strlen(str) + 1]; | |
2834 | res = command_data; | |
2835 | if (res->status != NFS3_OK) { | |
2836 | 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)); | |
2837 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2838 | ||
2839 | return; | |
2840 | } | |
2841 | ||
2842 | nfsfh = malloc(sizeof(struct nfsfh)); | |
2843 | if (nfsfh == NULL) { | |
2844 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
2845 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2846 | free_nfs_cb_data(data); | |
2847 | return; | |
2848 | } | |
ea98629a | 2849 | memset(nfsfh, 0, sizeof(struct nfsfh)); |
84004dbf | 2850 | |
037a1061 RL |
2851 | if (cb_data->flags & O_SYNC) { |
2852 | nfsfh->is_sync = 1; | |
2853 | } | |
2854 | if (cb_data->flags & O_APPEND) { | |
2855 | nfsfh->is_append = 1; | |
2856 | } | |
2857 | ||
0c1a9d7a RS |
2858 | /* copy the filehandle */ |
2859 | nfsfh->fh.data.data_len = res->LOOKUP3res_u.resok.object.data.data_len; | |
2860 | nfsfh->fh.data.data_val = malloc(nfsfh->fh.data.data_len); | |
ece11036 RL |
2861 | if (nfsfh->fh.data.data_val == NULL) { |
2862 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh structure"); | |
2863 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2864 | free_nfs_cb_data(data); | |
2865 | free(nfsfh); | |
c4d5f5b8 | 2866 | return; |
ece11036 | 2867 | } |
0c1a9d7a | 2868 | memcpy(nfsfh->fh.data.data_val, res->LOOKUP3res_u.resok.object.data.data_val, nfsfh->fh.data.data_len); |
84004dbf | 2869 | |
370c59e3 RL |
2870 | /* Try to truncate it if we were requested to */ |
2871 | if (cb_data->flags & O_TRUNC) { | |
2872 | SETATTR3args args; | |
2873 | ||
2874 | data->nfsfh = nfsfh; | |
2875 | ||
2876 | memset(&args, 0, sizeof(SETATTR3args)); | |
2877 | args.object = nfsfh->fh; | |
2878 | args.new_attributes.size.set_it = 1; | |
2879 | args.new_attributes.size.set_size3_u.size = 0; | |
2880 | ||
2881 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_create_trunc_cb, | |
2882 | &args, data) != 0) { | |
2883 | rpc_set_error(nfs->rpc, "RPC error: Failed to send " | |
2884 | "SETATTR call for %s", data->path); | |
2885 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), | |
2886 | data->private_data); | |
2887 | free_nfs_cb_data(data); | |
2888 | free_nfsfh(nfsfh); | |
2889 | return; | |
2890 | } | |
2891 | return; | |
2892 | } | |
2893 | ||
84004dbf RS |
2894 | data->cb(0, nfs, nfsfh, data->private_data); |
2895 | free_nfs_cb_data(data); | |
2896 | } | |
2897 | ||
2898 | ||
2899 | ||
037a1061 | 2900 | static void nfs_create_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2901 | { |
2902 | CREATE3res *res; | |
2903 | struct nfs_cb_data *data = private_data; | |
2904 | struct nfs_context *nfs = data->nfs; | |
037a1061 RL |
2905 | struct create_cb_data *cb_data = data->continue_data; |
2906 | char *str = cb_data->path; | |
463d59bf | 2907 | LOOKUP3args args; |
84004dbf | 2908 | |
f3a75078 RS |
2909 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2910 | ||
84004dbf RS |
2911 | if (status == RPC_STATUS_ERROR) { |
2912 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2913 | free_nfs_cb_data(data); | |
2914 | return; | |
2915 | } | |
2916 | if (status == RPC_STATUS_CANCEL) { | |
2917 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2918 | free_nfs_cb_data(data); | |
2919 | return; | |
2920 | } | |
2921 | ||
2922 | str = &str[strlen(str) + 1]; | |
2923 | res = command_data; | |
2924 | if (res->status != NFS3_OK) { | |
2925 | 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)); | |
2926 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
fadbf8cf | 2927 | free_nfs_cb_data(data); |
84004dbf RS |
2928 | return; |
2929 | } | |
2930 | ||
463d59bf | 2931 | memset(&args, 0, sizeof(LOOKUP3args)); |
2452c57f RS |
2932 | args.what.dir = data->fh; |
2933 | args.what.name = str; | |
463d59bf RS |
2934 | |
2935 | if (rpc_nfs3_lookup_async(nfs->rpc, nfs_create_2_cb, &args, data) != 0) { | |
84004dbf RS |
2936 | rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str); |
2937 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2938 | free_nfs_cb_data(data); | |
2939 | return; | |
2940 | } | |
2941 | return; | |
2942 | } | |
2943 | ||
037a1061 | 2944 | static int nfs_create_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 2945 | { |
037a1061 RL |
2946 | struct create_cb_data *cb_data = data->continue_data; |
2947 | char *str = cb_data->path; | |
c985c015 RS |
2948 | CREATE3args args; |
2949 | ||
84004dbf RS |
2950 | str = &str[strlen(str) + 1]; |
2951 | ||
c985c015 | 2952 | memset(&args, 0, sizeof(CREATE3args)); |
2452c57f | 2953 | args.where.dir = data->fh; |
c985c015 | 2954 | args.where.name = str; |
037a1061 | 2955 | args.how.mode = (cb_data->flags & O_EXCL) ? GUARDED : UNCHECKED; |
c985c015 | 2956 | args.how.createhow3_u.obj_attributes.mode.set_it = 1; |
037a1061 | 2957 | args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = cb_data->mode; |
c985c015 | 2958 | |
037a1061 | 2959 | if (rpc_nfs3_create_async(nfs->rpc, nfs_create_1_cb, &args, data) != 0) { |
84004dbf RS |
2960 | rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str); |
2961 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2962 | free_nfs_cb_data(data); | |
2963 | return -1; | |
2964 | } | |
2965 | return 0; | |
2966 | } | |
2967 | ||
037a1061 | 2968 | int nfs_create_async(struct nfs_context *nfs, const char *path, int flags, int mode, nfs_cb cb, void *private_data) |
84004dbf | 2969 | { |
037a1061 | 2970 | struct create_cb_data *cb_data; |
84004dbf RS |
2971 | char *ptr; |
2972 | ||
037a1061 RL |
2973 | cb_data = malloc(sizeof(struct create_cb_data)); |
2974 | if (cb_data == NULL) { | |
2975 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data"); | |
2976 | return -1; | |
2977 | } | |
2978 | ||
2979 | cb_data->path = strdup(path); | |
2980 | if (cb_data->path == NULL) { | |
cbbf9d3e | 2981 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
037a1061 | 2982 | free(cb_data); |
84004dbf RS |
2983 | return -1; |
2984 | } | |
2985 | ||
037a1061 | 2986 | ptr = strrchr(cb_data->path, '/'); |
84004dbf | 2987 | if (ptr == NULL) { |
cbbf9d3e | 2988 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
037a1061 | 2989 | free_create_cb_data(cb_data); |
cbbf9d3e | 2990 | return -1; |
84004dbf RS |
2991 | } |
2992 | *ptr = 0; | |
2993 | ||
037a1061 RL |
2994 | cb_data->flags = flags; |
2995 | cb_data->mode = mode; | |
2996 | ||
73f4ae7c | 2997 | /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */ |
1d151991 | 2998 | 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 |
2999 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
3000 | return -1; | |
84004dbf RS |
3001 | } |
3002 | ||
3003 | return 0; | |
3004 | } | |
3005 | ||
037a1061 RL |
3006 | int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) |
3007 | { | |
3008 | return nfs_create_async(nfs, path, 0, mode, cb, private_data); | |
3009 | } | |
3010 | ||
84004dbf RS |
3011 | |
3012 | ||
3013 | ||
3014 | /* | |
3015 | * Async unlink() | |
3016 | */ | |
f3a75078 | 3017 | static void nfs_unlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3018 | { |
3019 | REMOVE3res *res; | |
3020 | struct nfs_cb_data *data = private_data; | |
3021 | struct nfs_context *nfs = data->nfs; | |
3022 | char *str = data->continue_data; | |
4b1ae88a | 3023 | |
f3a75078 RS |
3024 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3025 | ||
84004dbf RS |
3026 | str = &str[strlen(str) + 1]; |
3027 | ||
3028 | if (status == RPC_STATUS_ERROR) { | |
3029 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3030 | free_nfs_cb_data(data); | |
3031 | return; | |
3032 | } | |
3033 | if (status == RPC_STATUS_CANCEL) { | |
3034 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3035 | free_nfs_cb_data(data); | |
3036 | return; | |
3037 | } | |
3038 | ||
3039 | res = command_data; | |
3040 | if (res->status != NFS3_OK) { | |
3041 | 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)); | |
3042 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3043 | free_nfs_cb_data(data); | |
3044 | return; | |
3045 | } | |
3046 | ||
3047 | data->cb(0, nfs, NULL, data->private_data); | |
3048 | free_nfs_cb_data(data); | |
3049 | } | |
3050 | ||
20379f03 | 3051 | static int nfs_unlink_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
3052 | { |
3053 | char *str = data->continue_data; | |
a0a5aa26 RS |
3054 | struct REMOVE3args args; |
3055 | ||
84004dbf RS |
3056 | str = &str[strlen(str) + 1]; |
3057 | ||
a0a5aa26 RS |
3058 | args.object.dir = data->fh; |
3059 | args.object.name = str; | |
3060 | if (rpc_nfs3_remove_async(nfs->rpc, nfs_unlink_cb, &args, data) != 0) { | |
84004dbf RS |
3061 | rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path); |
3062 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3063 | free_nfs_cb_data(data); | |
3064 | return -1; | |
3065 | } | |
3066 | return 0; | |
3067 | } | |
3068 | ||
3069 | int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3070 | { | |
3071 | char *new_path; | |
3072 | char *ptr; | |
3073 | ||
3074 | new_path = strdup(path); | |
3075 | if (new_path == NULL) { | |
cbbf9d3e | 3076 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
3077 | return -1; |
3078 | } | |
3079 | ||
93e9306f | 3080 | ptr = strrchr(new_path, '/'); |
84004dbf | 3081 | if (ptr == NULL) { |
bcbb21cd | 3082 | free(new_path); |
cbbf9d3e RS |
3083 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
3084 | return -1; | |
84004dbf RS |
3085 | } |
3086 | *ptr = 0; | |
3087 | ||
3088 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1d151991 | 3089 | if (nfs_lookuppath_async(nfs, new_path, 0, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) { |
cbbf9d3e RS |
3090 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
3091 | return -1; | |
84004dbf RS |
3092 | } |
3093 | ||
3094 | return 0; | |
3095 | } | |
3096 | ||
3097 | ||
1ec6b50a RS |
3098 | /* |
3099 | * Async mknod() | |
3100 | */ | |
3101 | struct mknod_cb_data { | |
3102 | char *path; | |
3103 | int mode; | |
3104 | int major; | |
3105 | int minor; | |
3106 | }; | |
3107 | ||
3108 | static void free_mknod_cb_data(void *ptr) | |
3109 | { | |
3110 | struct mknod_cb_data *data = ptr; | |
3111 | ||
3112 | free(data->path); | |
3113 | free(data); | |
3114 | } | |
3115 | ||
f3a75078 | 3116 | static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
1ec6b50a RS |
3117 | { |
3118 | MKNOD3res *res; | |
3119 | struct nfs_cb_data *data = private_data; | |
3120 | struct nfs_context *nfs = data->nfs; | |
3121 | char *str = data->continue_data; | |
4b1ae88a | 3122 | |
f3a75078 RS |
3123 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3124 | ||
1ec6b50a RS |
3125 | str = &str[strlen(str) + 1]; |
3126 | ||
3127 | if (status == RPC_STATUS_ERROR) { | |
3128 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3129 | free_nfs_cb_data(data); | |
3130 | return; | |
3131 | } | |
3132 | if (status == RPC_STATUS_CANCEL) { | |
3133 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3134 | free_nfs_cb_data(data); | |
3135 | return; | |
3136 | } | |
3137 | ||
3138 | res = command_data; | |
3139 | if (res->status != NFS3_OK) { | |
3140 | 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)); | |
3141 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3142 | free_nfs_cb_data(data); | |
3143 | return; | |
3144 | } | |
3145 | ||
3146 | data->cb(0, nfs, NULL, data->private_data); | |
3147 | free_nfs_cb_data(data); | |
3148 | } | |
3149 | ||
20379f03 | 3150 | static int nfs_mknod_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
1ec6b50a RS |
3151 | { |
3152 | struct mknod_cb_data *cb_data = data->continue_data; | |
3153 | char *str = cb_data->path; | |
b17cb0a2 | 3154 | MKNOD3args args; |
4b1ae88a | 3155 | |
1ec6b50a RS |
3156 | str = &str[strlen(str) + 1]; |
3157 | ||
b17cb0a2 RS |
3158 | args.where.dir = data->fh; |
3159 | args.where.name = str; | |
3160 | switch (cb_data->mode & S_IFMT) { | |
3161 | case S_IFCHR: | |
3162 | args.what.type = NF3CHR; | |
3163 | args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_it = 1; | |
3164 | 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); | |
3165 | args.what.mknoddata3_u.chr_device.spec.specdata1 = cb_data->major; | |
3166 | args.what.mknoddata3_u.chr_device.spec.specdata2 = cb_data->minor; | |
3167 | break; | |
3168 | case S_IFBLK: | |
3169 | args.what.type = NF3BLK; | |
3170 | args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_it = 1; | |
3171 | 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); | |
3172 | args.what.mknoddata3_u.blk_device.spec.specdata1 = cb_data->major; | |
3173 | args.what.mknoddata3_u.blk_device.spec.specdata2 = cb_data->minor; | |
3174 | case S_IFSOCK: | |
3175 | args.what.type = NF3SOCK; | |
3176 | args.what.mknoddata3_u.sock_attributes.mode.set_it = 1; | |
3177 | 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); | |
3178 | break; | |
3179 | case S_IFIFO: | |
3180 | args.what.type = NF3FIFO; | |
3181 | args.what.mknoddata3_u.pipe_attributes.mode.set_it = 1; | |
3182 | 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); | |
3183 | break; | |
3184 | default: | |
3185 | rpc_set_error(nfs->rpc, "Invalid file type for NFS3/MKNOD call"); | |
3186 | data->cb(-EINVAL, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3187 | free_nfs_cb_data(data); | |
3188 | return -1; | |
3189 | } | |
3190 | ||
3191 | if (rpc_nfs3_mknod_async(nfs->rpc, nfs_mknod_cb, &args, data) != 0) { | |
1ec6b50a RS |
3192 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
3193 | free_nfs_cb_data(data); | |
3194 | return -1; | |
3195 | } | |
3196 | return 0; | |
3197 | } | |
3198 | ||
3199 | int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data) | |
3200 | { | |
3201 | char *ptr; | |
3202 | struct mknod_cb_data *cb_data; | |
3203 | ||
3204 | cb_data = malloc(sizeof(struct mknod_cb_data)); | |
3205 | if (cb_data == NULL) { | |
3206 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data"); | |
3207 | return -1; | |
3208 | } | |
3209 | ||
3210 | cb_data->path = strdup(path); | |
3211 | if (cb_data->path == NULL) { | |
3212 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); | |
4b1ae88a | 3213 | free(cb_data); |
1ec6b50a RS |
3214 | return -1; |
3215 | } | |
3216 | ||
3217 | ptr = strrchr(cb_data->path, '/'); | |
3218 | if (ptr == NULL) { | |
3219 | rpc_set_error(nfs->rpc, "Invalid path %s", path); | |
feb2fc2f | 3220 | free_mknod_cb_data(cb_data); |
1ec6b50a RS |
3221 | return -1; |
3222 | } | |
3223 | *ptr = 0; | |
3224 | ||
3225 | cb_data->mode = mode; | |
3226 | cb_data->major = major(dev); | |
3227 | cb_data->minor = minor(dev); | |
3228 | ||
3229 | /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1d151991 | 3230 | 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 | 3231 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1ec6b50a RS |
3232 | return -1; |
3233 | } | |
3234 | ||
3235 | return 0; | |
3236 | } | |
84004dbf | 3237 | |
84004dbf RS |
3238 | /* |
3239 | * Async opendir() | |
3240 | */ | |
fb69c64c RS |
3241 | |
3242 | /* ReadDirPlus Emulation Callback data */ | |
3243 | struct rdpe_cb_data { | |
3244 | int getattrcount; | |
3245 | int status; | |
3246 | struct nfs_cb_data *data; | |
3247 | }; | |
3248 | ||
3249 | /* ReadDirPlus Emulation LOOKUP Callback data */ | |
3250 | struct rdpe_lookup_cb_data { | |
3251 | struct rdpe_cb_data *rdpe_cb_data; | |
3252 | struct nfsdirent *nfsdirent; | |
3253 | }; | |
3254 | ||
3255 | /* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */ | |
f3a75078 | 3256 | static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf | 3257 | { |
fb69c64c RS |
3258 | LOOKUP3res *res = command_data; |
3259 | struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data; | |
3260 | struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data; | |
3261 | struct nfs_cb_data *data = rdpe_cb_data->data; | |
3262 | struct nfsdir *nfsdir = data->continue_data; | |
3263 | struct nfs_context *nfs = data->nfs; | |
3264 | struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent; | |
3265 | ||
f3a75078 RS |
3266 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3267 | ||
fb69c64c RS |
3268 | free(rdpe_lookup_cb_data); |
3269 | ||
3270 | rdpe_cb_data->getattrcount--; | |
3271 | ||
3272 | if (status == RPC_STATUS_ERROR) { | |
9a9566a3 RS |
3273 | rpc_set_error(nfs->rpc, "LOOKUP during READDIRPLUS emulation " |
3274 | "failed with RPC_STATUS_ERROR"); | |
fb69c64c RS |
3275 | rdpe_cb_data->status = RPC_STATUS_ERROR; |
3276 | } | |
3277 | if (status == RPC_STATUS_CANCEL) { | |
9a9566a3 RS |
3278 | rpc_set_error(nfs->rpc, "LOOKUP during READDIRPLUS emulation " |
3279 | "failed with RPC_STATUS_CANCEL"); | |
fb69c64c RS |
3280 | rdpe_cb_data->status = RPC_STATUS_CANCEL; |
3281 | } | |
fb69c64c RS |
3282 | if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) { |
3283 | if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) { | |
3284 | fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes; | |
3285 | ||
3286 | nfsdirent->type = attributes->type; | |
3287 | nfsdirent->mode = attributes->mode; | |
3288 | nfsdirent->size = attributes->size; | |
3289 | ||
3290 | nfsdirent->atime.tv_sec = attributes->atime.seconds; | |
3291 | nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000; | |
fc08ac45 | 3292 | nfsdirent->atime_nsec = attributes->atime.nseconds; |
fb69c64c RS |
3293 | nfsdirent->mtime.tv_sec = attributes->mtime.seconds; |
3294 | nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000; | |
fc08ac45 | 3295 | nfsdirent->mtime_nsec = attributes->mtime.nseconds; |
fb69c64c RS |
3296 | nfsdirent->ctime.tv_sec = attributes->ctime.seconds; |
3297 | nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000; | |
fc08ac45 | 3298 | nfsdirent->ctime_nsec = attributes->ctime.nseconds; |
7bda8bad RS |
3299 | nfsdirent->uid = attributes->uid; |
3300 | nfsdirent->gid = attributes->gid; | |
390ff38a | 3301 | nfsdirent->nlink = attributes->nlink; |
fc08ac45 RL |
3302 | nfsdirent->dev = attributes->fsid; |
3303 | nfsdirent->rdev = specdata3_to_rdev(&attributes->rdev); | |
3304 | nfsdirent->blksize = NFS_BLKSIZE; | |
3305 | nfsdirent->blocks = (attributes->used + 512 - 1) / 512; | |
3306 | nfsdirent->used = attributes->used; | |
fb69c64c RS |
3307 | } |
3308 | } | |
3309 | ||
3310 | if (rdpe_cb_data->getattrcount == 0) { | |
3311 | if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) { | |
9a9566a3 RS |
3312 | rpc_set_error(nfs->rpc, "READDIRPLUS emulation " |
3313 | "failed: %s", rpc_get_error(rpc)); | |
3314 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), | |
3315 | data->private_data); | |
fb69c64c RS |
3316 | nfs_free_nfsdir(nfsdir); |
3317 | } else { | |
3318 | data->cb(0, nfs, nfsdir, data->private_data); | |
3319 | } | |
3320 | free(rdpe_cb_data); | |
3321 | ||
3322 | data->continue_data = NULL; | |
3323 | free_nfs_cb_data(data); | |
3324 | } | |
3325 | } | |
3326 | ||
f3a75078 | 3327 | static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
fb69c64c RS |
3328 | { |
3329 | READDIR3res *res = command_data; | |
84004dbf RS |
3330 | struct nfs_cb_data *data = private_data; |
3331 | struct nfs_context *nfs = data->nfs; | |
fb6510bb | 3332 | struct nfsdir *nfsdir = data->continue_data; |
fb69c64c RS |
3333 | struct nfsdirent *nfsdirent; |
3334 | struct entry3 *entry; | |
ecbd14a1 | 3335 | uint64_t cookie = 0; |
fb69c64c | 3336 | struct rdpe_cb_data *rdpe_cb_data; |
4b1ae88a | 3337 | |
f3a75078 RS |
3338 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3339 | ||
84004dbf RS |
3340 | if (status == RPC_STATUS_ERROR) { |
3341 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3342 | nfs_free_nfsdir(nfsdir); | |
3343 | data->continue_data = NULL; | |
3344 | free_nfs_cb_data(data); | |
3345 | return; | |
3346 | } | |
fb69c64c | 3347 | |
84004dbf RS |
3348 | if (status == RPC_STATUS_CANCEL) { |
3349 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3350 | nfs_free_nfsdir(nfsdir); | |
3351 | data->continue_data = NULL; | |
3352 | free_nfs_cb_data(data); | |
3353 | return; | |
3354 | } | |
3355 | ||
84004dbf RS |
3356 | if (res->status != NFS3_OK) { |
3357 | 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)); | |
3358 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3359 | nfs_free_nfsdir(nfsdir); | |
3360 | data->continue_data = NULL; | |
3361 | free_nfs_cb_data(data); | |
3362 | return; | |
fb69c64c RS |
3363 | } |
3364 | ||
3365 | entry =res->READDIR3res_u.resok.reply.entries; | |
3366 | while (entry != NULL) { | |
3367 | nfsdirent = malloc(sizeof(struct nfsdirent)); | |
3368 | if (nfsdirent == NULL) { | |
3369 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data); | |
3370 | nfs_free_nfsdir(nfsdir); | |
3371 | data->continue_data = NULL; | |
3372 | free_nfs_cb_data(data); | |
3373 | return; | |
3374 | } | |
3375 | memset(nfsdirent, 0, sizeof(struct nfsdirent)); | |
3376 | nfsdirent->name = strdup(entry->name); | |
3377 | if (nfsdirent->name == NULL) { | |
3378 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data); | |
a26bebef | 3379 | free(nfsdirent); |
fb69c64c RS |
3380 | nfs_free_nfsdir(nfsdir); |
3381 | data->continue_data = NULL; | |
3382 | free_nfs_cb_data(data); | |
3383 | return; | |
3384 | } | |
3385 | nfsdirent->inode = entry->fileid; | |
3386 | ||
3387 | nfsdirent->next = nfsdir->entries; | |
3388 | nfsdir->entries = nfsdirent; | |
3389 | ||
3390 | cookie = entry->cookie; | |
3391 | entry = entry->nextentry; | |
3392 | } | |
3393 | ||
3394 | if (res->READDIR3res_u.resok.reply.eof == 0) { | |
a64a16a2 RS |
3395 | READDIR3args args; |
3396 | ||
3397 | args.dir = data->fh; | |
3398 | args.cookie = cookie; | |
2452c57f | 3399 | memcpy(&args.cookieverf, res->READDIR3res_u.resok.cookieverf, sizeof(cookieverf3)); |
a64a16a2 RS |
3400 | args.count = 8192; |
3401 | ||
3402 | if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) { | |
fb69c64c RS |
3403 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); |
3404 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3405 | nfs_free_nfsdir(nfsdir); | |
3406 | data->continue_data = NULL; | |
3407 | free_nfs_cb_data(data); | |
3408 | return; | |
3409 | } | |
3410 | return; | |
3411 | } | |
3412 | ||
56e96539 RS |
3413 | if (res->READDIR3res_u.resok.dir_attributes.attributes_follow) |
3414 | nfsdir->attr = res->READDIR3res_u.resok.dir_attributes.post_op_attr_u.attributes; | |
3415 | ||
fb69c64c RS |
3416 | /* steal the dirhandle */ |
3417 | nfsdir->current = nfsdir->entries; | |
3418 | ||
b6446650 AR |
3419 | if (nfsdir->entries) { |
3420 | rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data)); | |
3421 | rdpe_cb_data->getattrcount = 0; | |
3422 | rdpe_cb_data->status = RPC_STATUS_SUCCESS; | |
3423 | rdpe_cb_data->data = data; | |
3424 | for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) { | |
3425 | struct rdpe_lookup_cb_data *rdpe_lookup_cb_data; | |
3426 | LOOKUP3args args; | |
3427 | ||
3428 | rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data)); | |
3429 | rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data; | |
3430 | rdpe_lookup_cb_data->nfsdirent = nfsdirent; | |
3431 | ||
3432 | memset(&args, 0, sizeof(LOOKUP3args)); | |
3433 | args.what.dir = data->fh; | |
3434 | args.what.name = nfsdirent->name; | |
3435 | ||
3436 | if (rpc_nfs3_lookup_async(nfs->rpc, nfs_opendir3_cb, &args, rdpe_lookup_cb_data) != 0) { | |
3437 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call"); | |
3438 | ||
3439 | /* if we have already commands in flight, we cant just stop, we have to wait for the | |
3440 | * commands in flight to complete | |
3441 | */ | |
3442 | if (rdpe_cb_data->getattrcount > 0) { | |
3443 | nfs_free_nfsdir(nfsdir); | |
3444 | data->continue_data = NULL; | |
3445 | free_nfs_cb_data(data); | |
3446 | rdpe_cb_data->status = RPC_STATUS_ERROR; | |
3447 | free(rdpe_lookup_cb_data); | |
3448 | return; | |
3449 | } | |
3450 | ||
3451 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
a26bebef AR |
3452 | nfs_free_nfsdir(nfsdir); |
3453 | data->continue_data = NULL; | |
3454 | free_nfs_cb_data(data); | |
fb69c64c | 3455 | free(rdpe_lookup_cb_data); |
b6446650 | 3456 | free(rdpe_cb_data); |
fb69c64c RS |
3457 | return; |
3458 | } | |
b6446650 | 3459 | rdpe_cb_data->getattrcount++; |
fb69c64c | 3460 | } |
fb69c64c RS |
3461 | } |
3462 | } | |
3463 | ||
f3a75078 | 3464 | static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
fb69c64c RS |
3465 | { |
3466 | READDIRPLUS3res *res = command_data; | |
3467 | struct nfs_cb_data *data = private_data; | |
3468 | struct nfs_context *nfs = data->nfs; | |
3469 | struct nfsdir *nfsdir = data->continue_data; | |
3470 | struct entryplus3 *entry; | |
ecbd14a1 | 3471 | uint64_t cookie = 0; |
4b1ae88a | 3472 | |
f3a75078 | 3473 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
fb69c64c RS |
3474 | |
3475 | if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){ | |
a64a16a2 RS |
3476 | READDIR3args args; |
3477 | ||
3478 | args.dir = data->fh; | |
3479 | args.cookie = cookie; | |
2452c57f | 3480 | memset(&args.cookieverf, 0, sizeof(cookieverf3)); |
a64a16a2 | 3481 | args.count = 8192; |
fb69c64c | 3482 | |
a64a16a2 | 3483 | if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) { |
fb69c64c RS |
3484 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); |
3485 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3486 | nfs_free_nfsdir(nfsdir); | |
3487 | data->continue_data = NULL; | |
3488 | free_nfs_cb_data(data); | |
3489 | return; | |
3490 | } | |
3491 | return; | |
3492 | } | |
3493 | ||
3494 | if (status == RPC_STATUS_CANCEL) { | |
3495 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3496 | nfs_free_nfsdir(nfsdir); | |
3497 | data->continue_data = NULL; | |
3498 | free_nfs_cb_data(data); | |
3499 | return; | |
3500 | } | |
3501 | ||
3502 | if (res->status != NFS3_OK) { | |
3503 | 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)); | |
3504 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3505 | nfs_free_nfsdir(nfsdir); | |
3506 | data->continue_data = NULL; | |
3507 | free_nfs_cb_data(data); | |
3508 | return; | |
84004dbf RS |
3509 | } |
3510 | ||
f390f181 | 3511 | entry =res->READDIRPLUS3res_u.resok.reply.entries; |
84004dbf RS |
3512 | while (entry != NULL) { |
3513 | struct nfsdirent *nfsdirent; | |
3514 | ||
3515 | nfsdirent = malloc(sizeof(struct nfsdirent)); | |
3516 | if (nfsdirent == NULL) { | |
3517 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data); | |
3518 | nfs_free_nfsdir(nfsdir); | |
3519 | data->continue_data = NULL; | |
3520 | free_nfs_cb_data(data); | |
3521 | return; | |
3522 | } | |
ea98629a | 3523 | memset(nfsdirent, 0, sizeof(struct nfsdirent)); |
84004dbf RS |
3524 | nfsdirent->name = strdup(entry->name); |
3525 | if (nfsdirent->name == NULL) { | |
3526 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data); | |
b2fc5c54 | 3527 | free(nfsdirent); |
84004dbf RS |
3528 | nfs_free_nfsdir(nfsdir); |
3529 | data->continue_data = NULL; | |
3530 | free_nfs_cb_data(data); | |
3531 | return; | |
3532 | } | |
3533 | nfsdirent->inode = entry->fileid; | |
0804e67d RS |
3534 | if (entry->name_attributes.attributes_follow) { |
3535 | nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type; | |
3536 | nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode; | |
3537 | nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size; | |
3538 | ||
3539 | nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds; | |
3540 | nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000; | |
fc08ac45 | 3541 | nfsdirent->atime_nsec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds; |
0804e67d RS |
3542 | nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds; |
3543 | nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000; | |
fc08ac45 | 3544 | nfsdirent->mtime_nsec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds; |
0804e67d RS |
3545 | nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds; |
3546 | nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000; | |
fc08ac45 | 3547 | nfsdirent->ctime_nsec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds; |
7bda8bad RS |
3548 | nfsdirent->uid = entry->name_attributes.post_op_attr_u.attributes.uid; |
3549 | nfsdirent->gid = entry->name_attributes.post_op_attr_u.attributes.gid; | |
390ff38a | 3550 | nfsdirent->nlink = entry->name_attributes.post_op_attr_u.attributes.nlink; |
fc08ac45 RL |
3551 | nfsdirent->dev = entry->name_attributes.post_op_attr_u.attributes.fsid; |
3552 | nfsdirent->rdev = specdata3_to_rdev(&entry->name_attributes.post_op_attr_u.attributes.rdev); | |
3553 | nfsdirent->blksize = NFS_BLKSIZE; | |
3554 | nfsdirent->blocks = (entry->name_attributes.post_op_attr_u.attributes.used + 512 - 1) / 512; | |
3555 | nfsdirent->used = entry->name_attributes.post_op_attr_u.attributes.used; | |
0804e67d RS |
3556 | } |
3557 | ||
84004dbf RS |
3558 | nfsdirent->next = nfsdir->entries; |
3559 | nfsdir->entries = nfsdirent; | |
3560 | ||
3561 | cookie = entry->cookie; | |
3562 | entry = entry->nextentry; | |
3563 | } | |
3564 | ||
f390f181 | 3565 | if (res->READDIRPLUS3res_u.resok.reply.eof == 0) { |
1a5b83c9 RS |
3566 | READDIRPLUS3args args; |
3567 | ||
3568 | args.dir = data->fh; | |
3569 | args.cookie = cookie; | |
3570 | memcpy(&args.cookieverf, res->READDIRPLUS3res_u.resok.cookieverf, sizeof(cookieverf3)); | |
3571 | args.dircount = 8192; | |
3572 | args.maxcount = 8192; | |
3573 | ||
3574 | if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) { | |
f390f181 | 3575 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path); |
84004dbf RS |
3576 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
3577 | nfs_free_nfsdir(nfsdir); | |
3578 | data->continue_data = NULL; | |
3579 | free_nfs_cb_data(data); | |
3580 | return; | |
3581 | } | |
3582 | return; | |
3583 | } | |
3584 | ||
56e96539 RS |
3585 | if (res->READDIRPLUS3res_u.resok.dir_attributes.attributes_follow) |
3586 | nfsdir->attr = res->READDIRPLUS3res_u.resok.dir_attributes.post_op_attr_u.attributes; | |
3587 | ||
84004dbf RS |
3588 | /* steal the dirhandle */ |
3589 | data->continue_data = NULL; | |
3590 | nfsdir->current = nfsdir->entries; | |
3591 | ||
3592 | data->cb(0, nfs, nfsdir, data->private_data); | |
3593 | free_nfs_cb_data(data); | |
3594 | } | |
3595 | ||
20379f03 | 3596 | static int nfs_opendir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 3597 | { |
1a5b83c9 | 3598 | READDIRPLUS3args args; |
56e96539 RS |
3599 | struct nfsdir *nfsdir = data->continue_data;; |
3600 | struct nfsdir *cached; | |
3601 | ||
3602 | cached = nfs_dircache_find(nfs, &data->fh); | |
3603 | if (cached) { | |
3604 | if (attr && attr->mtime.seconds == cached->attr.mtime.seconds) { | |
3605 | cached->current = cached->entries; | |
3606 | data->cb(0, nfs, cached, data->private_data); | |
3607 | free_nfs_cb_data(data); | |
3608 | return 0; | |
3609 | } else { | |
3610 | /* cache must be stale */ | |
3611 | nfs_free_nfsdir(cached); | |
3612 | } | |
3613 | } | |
3614 | ||
3615 | nfsdir->fh.data.data_len = data->fh.data.data_len; | |
3616 | nfsdir->fh.data.data_val = malloc(nfsdir->fh.data.data_len); | |
3617 | if (nfsdir->fh.data.data_val == NULL) { | |
3618 | rpc_set_error(nfs->rpc, "OOM when allocating fh for nfsdir"); | |
3619 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3620 | free_nfs_cb_data(data); | |
3621 | return -1; | |
3622 | } | |
3623 | memcpy(nfsdir->fh.data.data_val, data->fh.data.data_val, data->fh.data.data_len); | |
84004dbf | 3624 | |
1a5b83c9 RS |
3625 | args.dir = data->fh; |
3626 | args.cookie = 0; | |
3627 | memset(&args.cookieverf, 0, sizeof(cookieverf3)); | |
3628 | args.dircount = 8192; | |
3629 | args.maxcount = 8192; | |
3630 | if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) { | |
f390f181 | 3631 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path); |
84004dbf RS |
3632 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
3633 | free_nfs_cb_data(data); | |
3634 | return -1; | |
3635 | } | |
3636 | return 0; | |
3637 | } | |
3638 | ||
3639 | int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3640 | { | |
3641 | struct nfsdir *nfsdir; | |
3642 | ||
3643 | nfsdir = malloc(sizeof(struct nfsdir)); | |
3644 | if (nfsdir == NULL) { | |
cbbf9d3e | 3645 | rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir"); |
84004dbf RS |
3646 | return -1; |
3647 | } | |
ea98629a | 3648 | memset(nfsdir, 0, sizeof(struct nfsdir)); |
84004dbf | 3649 | |
1d151991 | 3650 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) { |
cbbf9d3e RS |
3651 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
3652 | return -1; | |
84004dbf RS |
3653 | } |
3654 | ||
3655 | return 0; | |
3656 | } | |
3657 | ||
3658 | ||
3659 | struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir) | |
3660 | { | |
3661 | struct nfsdirent *nfsdirent = nfsdir->current; | |
3662 | ||
3663 | if (nfsdir->current != NULL) { | |
3664 | nfsdir->current = nfsdir->current->next; | |
3665 | } | |
3666 | return nfsdirent; | |
3667 | } | |
3668 | ||
3669 | ||
f893b680 RS |
3670 | /* |
3671 | * closedir() | |
3672 | */ | |
56e96539 | 3673 | void nfs_closedir(struct nfs_context *nfs, struct nfsdir *nfsdir) |
84004dbf | 3674 | { |
56e96539 | 3675 | nfs_dircache_add(nfs, nfsdir); |
84004dbf RS |
3676 | } |
3677 | ||
3678 | ||
f893b680 RS |
3679 | /* |
3680 | * getcwd() | |
3681 | */ | |
3682 | void nfs_getcwd(struct nfs_context *nfs, const char **cwd) | |
3683 | { | |
3684 | if (cwd) { | |
3685 | *cwd = nfs->cwd; | |
3686 | } | |
3687 | } | |
84004dbf RS |
3688 | |
3689 | ||
3690 | /* | |
3691 | * Async lseek() | |
3692 | */ | |
3693 | struct lseek_cb_data { | |
3694 | struct nfs_context *nfs; | |
3695 | struct nfsfh *nfsfh; | |
1f1b6cb0 | 3696 | int64_t offset; |
84004dbf RS |
3697 | nfs_cb cb; |
3698 | void *private_data; | |
3699 | }; | |
3700 | ||
f3a75078 | 3701 | static void nfs_lseek_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3702 | { |
3703 | GETATTR3res *res; | |
3704 | struct lseek_cb_data *data = private_data; | |
3705 | struct nfs_context *nfs = data->nfs; | |
1f1b6cb0 | 3706 | uint64_t size = 0; |
84004dbf | 3707 | |
f3a75078 RS |
3708 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3709 | ||
84004dbf RS |
3710 | if (status == RPC_STATUS_ERROR) { |
3711 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3712 | free(data); | |
3713 | return; | |
3714 | } | |
3715 | if (status == RPC_STATUS_CANCEL) { | |
3716 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3717 | free(data); | |
3718 | return; | |
3719 | } | |
3720 | ||
3721 | res = command_data; | |
3722 | if (res->status != NFS3_OK) { | |
3723 | rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3724 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3725 | free(data); | |
3726 | return; | |
3727 | } | |
3728 | ||
1f1b6cb0 AR |
3729 | size = res->GETATTR3res_u.resok.obj_attributes.size; |
3730 | ||
3731 | if (data->offset < 0 && | |
3732 | (uint64_t)(-data->offset) > size) { | |
3733 | data->cb(-EINVAL, nfs, &data->nfsfh->offset, data->private_data); | |
3734 | } else { | |
3735 | data->nfsfh->offset = data->offset + size; | |
3736 | data->cb(0, nfs, &data->nfsfh->offset, data->private_data); | |
3737 | } | |
3738 | ||
84004dbf RS |
3739 | free(data); |
3740 | } | |
3741 | ||
1f1b6cb0 | 3742 | int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int64_t offset, int whence, nfs_cb cb, void *private_data) |
84004dbf RS |
3743 | { |
3744 | struct lseek_cb_data *data; | |
463d59bf | 3745 | struct GETATTR3args args; |
84004dbf RS |
3746 | |
3747 | if (whence == SEEK_SET) { | |
1f1b6cb0 AR |
3748 | if (offset < 0) { |
3749 | cb(-EINVAL, nfs, &nfsfh->offset, private_data); | |
3750 | } else { | |
3751 | nfsfh->offset = offset; | |
3752 | cb(0, nfs, &nfsfh->offset, private_data); | |
3753 | } | |
84004dbf RS |
3754 | return 0; |
3755 | } | |
3756 | if (whence == SEEK_CUR) { | |
1f1b6cb0 AR |
3757 | if (offset < 0 && |
3758 | nfsfh->offset < (uint64_t)(-offset)) { | |
3759 | cb(-EINVAL, nfs, &nfsfh->offset, private_data); | |
3760 | } else { | |
3761 | nfsfh->offset += offset; | |
3762 | cb(0, nfs, &nfsfh->offset, private_data); | |
3763 | } | |
84004dbf RS |
3764 | return 0; |
3765 | } | |
3766 | ||
3767 | data = malloc(sizeof(struct lseek_cb_data)); | |
3768 | if (data == NULL) { | |
3769 | rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data"); | |
3770 | return -1; | |
3771 | } | |
3772 | ||
3773 | data->nfs = nfs; | |
3774 | data->nfsfh = nfsfh; | |
3775 | data->offset = offset; | |
3776 | data->cb = cb; | |
3777 | data->private_data = private_data; | |
3778 | ||
463d59bf | 3779 | memset(&args, 0, sizeof(GETATTR3args)); |
2452c57f | 3780 | args.object = nfsfh->fh; |
463d59bf RS |
3781 | |
3782 | if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lseek_1_cb, &args, data) != 0) { | |
84004dbf RS |
3783 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call"); |
3784 | free(data); | |
cbbf9d3e | 3785 | return -1; |
84004dbf RS |
3786 | } |
3787 | return 0; | |
3788 | } | |
3789 | ||
3790 | ||
3791 | ||
3792 | ||
3793 | /* | |
3794 | * Async statvfs() | |
3795 | */ | |
f3a75078 | 3796 | static void nfs_statvfs_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3797 | { |
3798 | FSSTAT3res *res; | |
3799 | struct nfs_cb_data *data = private_data; | |
3800 | struct nfs_context *nfs = data->nfs; | |
3801 | struct statvfs svfs; | |
3802 | ||
f3a75078 RS |
3803 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3804 | ||
84004dbf RS |
3805 | if (status == RPC_STATUS_ERROR) { |
3806 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3807 | free_nfs_cb_data(data); | |
3808 | return; | |
3809 | } | |
3810 | if (status == RPC_STATUS_CANCEL) { | |
3811 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3812 | free_nfs_cb_data(data); | |
3813 | return; | |
3814 | } | |
3815 | ||
3816 | res = command_data; | |
3817 | if (res->status != NFS3_OK) { | |
3818 | 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)); | |
3819 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3820 | free_nfs_cb_data(data); | |
3821 | return; | |
3822 | } | |
3823 | ||
3ca2aac9 PL |
3824 | svfs.f_bsize = NFS_BLKSIZE; |
3825 | svfs.f_frsize = NFS_BLKSIZE; | |
3826 | svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/NFS_BLKSIZE; | |
3827 | svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/NFS_BLKSIZE; | |
3828 | svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/NFS_BLKSIZE; | |
84004dbf RS |
3829 | svfs.f_files = res->FSSTAT3res_u.resok.tfiles; |
3830 | svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles; | |
252aa90d | 3831 | #if !defined(ANDROID) |
84004dbf RS |
3832 | svfs.f_favail = res->FSSTAT3res_u.resok.afiles; |
3833 | svfs.f_fsid = 0; | |
3834 | svfs.f_flag = 0; | |
3835 | svfs.f_namemax = 256; | |
252aa90d | 3836 | #endif |
84004dbf RS |
3837 | |
3838 | data->cb(0, nfs, &svfs, data->private_data); | |
3839 | free_nfs_cb_data(data); | |
3840 | } | |
3841 | ||
20379f03 | 3842 | static int nfs_statvfs_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 3843 | { |
0249c17b RS |
3844 | FSSTAT3args args; |
3845 | ||
3846 | args.fsroot = data->fh; | |
3847 | if (rpc_nfs3_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &args, data) != 0) { | |
84004dbf RS |
3848 | rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path); |
3849 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3850 | free_nfs_cb_data(data); | |
3851 | return -1; | |
3852 | } | |
3853 | return 0; | |
3854 | } | |
3855 | ||
3856 | int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3857 | { | |
1d151991 | 3858 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) { |
cbbf9d3e | 3859 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
3860 | return -1; |
3861 | } | |
3862 | ||
3863 | return 0; | |
3864 | } | |
3865 | ||
3866 | ||
3867 | ||
3868 | ||
3869 | /* | |
3870 | * Async readlink() | |
3871 | */ | |
f3a75078 | 3872 | static void nfs_readlink_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3873 | { |
3874 | READLINK3res *res; | |
3875 | struct nfs_cb_data *data = private_data; | |
3876 | struct nfs_context *nfs = data->nfs; | |
3877 | ||
f3a75078 RS |
3878 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3879 | ||
84004dbf RS |
3880 | if (status == RPC_STATUS_ERROR) { |
3881 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3882 | free_nfs_cb_data(data); | |
3883 | return; | |
3884 | } | |
3885 | if (status == RPC_STATUS_CANCEL) { | |
3886 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3887 | free_nfs_cb_data(data); | |
3888 | return; | |
3889 | } | |
3890 | ||
3891 | res = command_data; | |
3892 | if (res->status != NFS3_OK) { | |
3893 | 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)); | |
3894 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3895 | free_nfs_cb_data(data); | |
3896 | return; | |
3897 | } | |
3898 | ||
4b1ae88a | 3899 | |
84004dbf RS |
3900 | data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data); |
3901 | free_nfs_cb_data(data); | |
3902 | } | |
3903 | ||
20379f03 | 3904 | static int nfs_readlink_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf | 3905 | { |
16104b27 RS |
3906 | READLINK3args args; |
3907 | ||
2452c57f | 3908 | args.symlink = data->fh; |
16104b27 | 3909 | |
7cd23ccc | 3910 | if (rpc_nfs3_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) { |
84004dbf RS |
3911 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path); |
3912 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3913 | free_nfs_cb_data(data); | |
3914 | return -1; | |
3915 | } | |
3916 | return 0; | |
3917 | } | |
3918 | ||
3919 | int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
3920 | { | |
1d151991 | 3921 | if (nfs_lookuppath_async(nfs, path, 1, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) { |
cbbf9d3e | 3922 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
3923 | return -1; |
3924 | } | |
3925 | ||
3926 | return 0; | |
3927 | } | |
3928 | ||
3929 | ||
3930 | ||
3931 | ||
3932 | /* | |
3933 | * Async chmod() | |
3934 | */ | |
f3a75078 | 3935 | static void nfs_chmod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3936 | { |
3937 | struct nfs_cb_data *data = private_data; | |
3938 | struct nfs_context *nfs = data->nfs; | |
3939 | SETATTR3res *res; | |
3940 | ||
f3a75078 RS |
3941 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3942 | ||
84004dbf RS |
3943 | if (status == RPC_STATUS_ERROR) { |
3944 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3945 | free_nfs_cb_data(data); | |
3946 | return; | |
3947 | } | |
3948 | if (status == RPC_STATUS_CANCEL) { | |
3949 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3950 | free_nfs_cb_data(data); | |
3951 | return; | |
3952 | } | |
3953 | ||
3954 | res = command_data; | |
3955 | if (res->status != NFS3_OK) { | |
3956 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
3957 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3958 | free_nfs_cb_data(data); | |
3959 | return; | |
3960 | } | |
3961 | ||
3962 | data->cb(0, nfs, NULL, data->private_data); | |
3963 | free_nfs_cb_data(data); | |
3964 | } | |
3965 | ||
20379f03 | 3966 | static int nfs_chmod_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
3967 | { |
3968 | SETATTR3args args; | |
3969 | ||
ea98629a | 3970 | memset(&args, 0, sizeof(SETATTR3args)); |
2452c57f | 3971 | args.object = data->fh; |
84004dbf RS |
3972 | args.new_attributes.mode.set_it = 1; |
3973 | args.new_attributes.mode.set_mode3_u.mode = data->continue_int; | |
3974 | ||
b701254d | 3975 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) { |
84004dbf RS |
3976 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
3977 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3978 | free_nfs_cb_data(data); | |
3979 | return -1; | |
3980 | } | |
3981 | return 0; | |
3982 | } | |
3983 | ||
3984 | ||
8d590667 | 3985 | int nfs_chmod_async_internal(struct nfs_context *nfs, const char *path, int no_follow, int mode, nfs_cb cb, void *private_data) |
84004dbf | 3986 | { |
8d590667 | 3987 | if (nfs_lookuppath_async(nfs, path, no_follow, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) { |
cbbf9d3e | 3988 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
3989 | return -1; |
3990 | } | |
3991 | ||
3992 | return 0; | |
3993 | } | |
3994 | ||
8d590667 RL |
3995 | int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) |
3996 | { | |
3997 | return nfs_chown_async_internal(nfs, path, 0, mode, cb, private_data); | |
3998 | } | |
3999 | ||
4000 | int nfs_lchmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
4001 | { | |
4002 | return nfs_chown_async_internal(nfs, path, 1, mode, cb, private_data); | |
4003 | } | |
4004 | ||
84004dbf RS |
4005 | /* |
4006 | * Async fchmod() | |
4007 | */ | |
4008 | int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data) | |
4009 | { | |
4010 | struct nfs_cb_data *data; | |
4011 | ||
4012 | data = malloc(sizeof(struct nfs_cb_data)); | |
4013 | if (data == NULL) { | |
cbbf9d3e | 4014 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data"); |
84004dbf RS |
4015 | return -1; |
4016 | } | |
ea98629a | 4017 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
4018 | data->nfs = nfs; |
4019 | data->cb = cb; | |
4020 | data->private_data = private_data; | |
4021 | data->continue_int = mode; | |
4022 | data->fh.data.data_len = nfsfh->fh.data.data_len; | |
4023 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
4024 | if (data->fh.data.data_val == NULL) { | |
4025 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
4026 | free_nfs_cb_data(data); | |
4027 | return -1; | |
4028 | } | |
4029 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
4030 | ||
20379f03 | 4031 | if (nfs_chmod_continue_internal(nfs, NULL, data) != 0) { |
84004dbf RS |
4032 | return -1; |
4033 | } | |
4034 | ||
4035 | return 0; | |
4036 | } | |
4037 | ||
4038 | ||
4039 | ||
4040 | /* | |
4041 | * Async chown() | |
4042 | */ | |
f3a75078 | 4043 | static void nfs_chown_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4044 | { |
4045 | struct nfs_cb_data *data = private_data; | |
4046 | struct nfs_context *nfs = data->nfs; | |
4047 | SETATTR3res *res; | |
4048 | ||
f3a75078 RS |
4049 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4050 | ||
84004dbf RS |
4051 | if (status == RPC_STATUS_ERROR) { |
4052 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4053 | free_nfs_cb_data(data); | |
4054 | return; | |
4055 | } | |
4056 | if (status == RPC_STATUS_CANCEL) { | |
4057 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4058 | free_nfs_cb_data(data); | |
4059 | return; | |
4060 | } | |
4061 | ||
4062 | res = command_data; | |
4063 | if (res->status != NFS3_OK) { | |
4064 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
4065 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4066 | free_nfs_cb_data(data); | |
4067 | return; | |
4068 | } | |
4069 | ||
4070 | data->cb(0, nfs, NULL, data->private_data); | |
4071 | free_nfs_cb_data(data); | |
4072 | } | |
4073 | ||
4074 | struct nfs_chown_data { | |
4075 | uid_t uid; | |
4076 | gid_t gid; | |
4077 | }; | |
4078 | ||
20379f03 | 4079 | static int nfs_chown_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4080 | { |
4081 | SETATTR3args args; | |
4082 | struct nfs_chown_data *chown_data = data->continue_data; | |
4083 | ||
ea98629a | 4084 | memset(&args, 0, sizeof(SETATTR3args)); |
2452c57f | 4085 | args.object = data->fh; |
84004dbf RS |
4086 | if (chown_data->uid != (uid_t)-1) { |
4087 | args.new_attributes.uid.set_it = 1; | |
4088 | args.new_attributes.uid.set_uid3_u.uid = chown_data->uid; | |
4089 | } | |
4090 | if (chown_data->gid != (gid_t)-1) { | |
4091 | args.new_attributes.gid.set_it = 1; | |
4092 | args.new_attributes.gid.set_gid3_u.gid = chown_data->gid; | |
4093 | } | |
4094 | ||
b701254d | 4095 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) { |
84004dbf RS |
4096 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
4097 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4098 | free_nfs_cb_data(data); | |
4099 | return -1; | |
4100 | } | |
4101 | return 0; | |
4102 | } | |
4103 | ||
4104 | ||
5935a28a | 4105 | 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 |
4106 | { |
4107 | struct nfs_chown_data *chown_data; | |
4108 | ||
4109 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
4110 | if (chown_data == NULL) { | |
cbbf9d3e | 4111 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); |
84004dbf RS |
4112 | return -1; |
4113 | } | |
4114 | ||
4115 | chown_data->uid = uid; | |
4116 | chown_data->gid = gid; | |
4117 | ||
5935a28a | 4118 | if (nfs_lookuppath_async(nfs, path, no_follow, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) { |
cbbf9d3e | 4119 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
4120 | return -1; |
4121 | } | |
4122 | ||
4123 | return 0; | |
4124 | } | |
4125 | ||
5935a28a RL |
4126 | int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data) |
4127 | { | |
4128 | return nfs_chown_async_internal(nfs, path, 0, uid, gid, cb, private_data); | |
4129 | } | |
4130 | ||
4131 | int nfs_lchown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data) | |
4132 | { | |
4133 | return nfs_chown_async_internal(nfs, path, 1, uid, gid, cb, private_data); | |
4134 | } | |
84004dbf RS |
4135 | |
4136 | /* | |
4137 | * Async fchown() | |
4138 | */ | |
4139 | int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data) | |
4140 | { | |
4141 | struct nfs_cb_data *data; | |
4142 | struct nfs_chown_data *chown_data; | |
4143 | ||
4144 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
4145 | if (chown_data == NULL) { | |
cbbf9d3e | 4146 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); |
84004dbf RS |
4147 | return -1; |
4148 | } | |
4149 | ||
4150 | chown_data->uid = uid; | |
4151 | chown_data->gid = gid; | |
4152 | ||
84004dbf RS |
4153 | data = malloc(sizeof(struct nfs_cb_data)); |
4154 | if (data == NULL) { | |
cbbf9d3e | 4155 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data"); |
b6619d88 | 4156 | free(chown_data); |
84004dbf RS |
4157 | return -1; |
4158 | } | |
ea98629a | 4159 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
4160 | data->nfs = nfs; |
4161 | data->cb = cb; | |
4162 | data->private_data = private_data; | |
4163 | data->continue_data = chown_data; | |
6b1f14ca | 4164 | data->free_continue_data = free; |
84004dbf RS |
4165 | data->fh.data.data_len = nfsfh->fh.data.data_len; |
4166 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
4167 | if (data->fh.data.data_val == NULL) { | |
4168 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
4169 | free_nfs_cb_data(data); | |
4170 | return -1; | |
4171 | } | |
4172 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
4173 | ||
20379f03 | 4174 | if (nfs_chown_continue_internal(nfs, NULL, data) != 0) { |
84004dbf RS |
4175 | return -1; |
4176 | } | |
4177 | ||
4178 | return 0; | |
4179 | } | |
4180 | ||
4181 | ||
4182 | ||
4183 | ||
4184 | ||
4185 | /* | |
4186 | * Async utimes() | |
4187 | */ | |
f3a75078 | 4188 | static void nfs_utimes_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4189 | { |
4190 | struct nfs_cb_data *data = private_data; | |
4191 | struct nfs_context *nfs = data->nfs; | |
4192 | SETATTR3res *res; | |
4193 | ||
f3a75078 RS |
4194 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4195 | ||
84004dbf RS |
4196 | if (status == RPC_STATUS_ERROR) { |
4197 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4198 | free_nfs_cb_data(data); | |
4199 | return; | |
4200 | } | |
4201 | if (status == RPC_STATUS_CANCEL) { | |
4202 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4203 | free_nfs_cb_data(data); | |
4204 | return; | |
4205 | } | |
4206 | ||
4207 | res = command_data; | |
4208 | if (res->status != NFS3_OK) { | |
4209 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
4210 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4211 | free_nfs_cb_data(data); | |
4212 | return; | |
4213 | } | |
4214 | ||
4215 | data->cb(0, nfs, NULL, data->private_data); | |
4216 | free_nfs_cb_data(data); | |
4217 | } | |
4218 | ||
20379f03 | 4219 | static int nfs_utimes_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4220 | { |
4221 | SETATTR3args args; | |
4222 | struct timeval *utimes_data = data->continue_data; | |
4223 | ||
ea98629a | 4224 | memset(&args, 0, sizeof(SETATTR3args)); |
2452c57f | 4225 | args.object = data->fh; |
84004dbf RS |
4226 | if (utimes_data != NULL) { |
4227 | args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME; | |
4228 | args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec; | |
4229 | args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000; | |
4230 | args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME; | |
4231 | args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec; | |
4232 | args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000; | |
4233 | } else { | |
4234 | args.new_attributes.atime.set_it = SET_TO_SERVER_TIME; | |
4235 | args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME; | |
4236 | } | |
4237 | ||
b701254d | 4238 | if (rpc_nfs3_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) { |
84004dbf RS |
4239 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); |
4240 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4241 | free_nfs_cb_data(data); | |
4242 | return -1; | |
4243 | } | |
4244 | return 0; | |
4245 | } | |
4246 | ||
6505b539 | 4247 | 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 |
4248 | { |
4249 | struct timeval *new_times = NULL; | |
4250 | ||
4251 | if (times != NULL) { | |
4252 | new_times = malloc(sizeof(struct timeval)*2); | |
4253 | if (new_times == NULL) { | |
cbbf9d3e | 4254 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); |
84004dbf RS |
4255 | return -1; |
4256 | } | |
4257 | ||
4258 | memcpy(new_times, times, sizeof(struct timeval)*2); | |
4259 | } | |
4260 | ||
6505b539 | 4261 | if (nfs_lookuppath_async(nfs, path, no_follow, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { |
cbbf9d3e | 4262 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
4263 | return -1; |
4264 | } | |
4265 | ||
4266 | return 0; | |
4267 | } | |
4268 | ||
6505b539 RL |
4269 | int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data) |
4270 | { | |
4271 | return nfs_utimes_async_internal(nfs, path, 0, times, cb, private_data); | |
4272 | } | |
4273 | ||
4274 | int nfs_lutimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data) | |
4275 | { | |
4276 | return nfs_utimes_async_internal(nfs, path, 1, times, cb, private_data); | |
4277 | } | |
4278 | ||
84004dbf RS |
4279 | /* |
4280 | * Async utime() | |
4281 | */ | |
4282 | int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data) | |
4283 | { | |
4284 | struct timeval *new_times = NULL; | |
4285 | ||
4286 | if (times != NULL) { | |
4287 | new_times = malloc(sizeof(struct timeval)*2); | |
4288 | if (new_times == NULL) { | |
cbbf9d3e | 4289 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); |
84004dbf RS |
4290 | return -1; |
4291 | } | |
4292 | ||
4293 | new_times[0].tv_sec = times->actime; | |
4294 | new_times[0].tv_usec = 0; | |
4295 | new_times[1].tv_sec = times->modtime; | |
4296 | new_times[1].tv_usec = 0; | |
4297 | } | |
4298 | ||
1d151991 | 4299 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { |
cbbf9d3e | 4300 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
4301 | return -1; |
4302 | } | |
4303 | ||
4304 | return 0; | |
4305 | } | |
84004dbf RS |
4306 | |
4307 | ||
4308 | /* | |
4309 | * Async access() | |
4310 | */ | |
f3a75078 | 4311 | static void nfs_access_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4312 | { |
4313 | ACCESS3res *res; | |
4314 | struct nfs_cb_data *data = private_data; | |
4315 | struct nfs_context *nfs = data->nfs; | |
4316 | unsigned int nfsmode = 0; | |
4317 | ||
f3a75078 RS |
4318 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4319 | ||
84004dbf RS |
4320 | if (status == RPC_STATUS_ERROR) { |
4321 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4322 | free_nfs_cb_data(data); | |
4323 | return; | |
4324 | } | |
4325 | if (status == RPC_STATUS_CANCEL) { | |
4326 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4327 | free_nfs_cb_data(data); | |
4328 | return; | |
4329 | } | |
4330 | ||
4331 | res = command_data; | |
4332 | if (res->status != NFS3_OK) { | |
4333 | 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)); | |
4334 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4335 | free_nfs_cb_data(data); | |
4336 | return; | |
4337 | } | |
4338 | ||
4339 | if (data->continue_int & R_OK) { | |
4340 | nfsmode |= ACCESS3_READ; | |
4341 | } | |
4342 | if (data->continue_int & W_OK) { | |
4343 | nfsmode |= ACCESS3_MODIFY; | |
4344 | } | |
4345 | if (data->continue_int & X_OK) { | |
4346 | nfsmode |= ACCESS3_EXECUTE; | |
4347 | } | |
4348 | ||
4349 | if (res->ACCESS3res_u.resok.access != nfsmode) { | |
4350 | rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c", | |
4351 | nfsmode&ACCESS3_READ?'r':'-', | |
4352 | nfsmode&ACCESS3_MODIFY?'w':'-', | |
4353 | nfsmode&ACCESS3_EXECUTE?'x':'-', | |
4354 | res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-', | |
4355 | res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-', | |
4356 | res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-'); | |
4357 | data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4358 | free_nfs_cb_data(data); | |
4359 | return; | |
4360 | } | |
4361 | ||
4362 | data->cb(0, nfs, NULL, data->private_data); | |
4363 | free_nfs_cb_data(data); | |
4364 | } | |
4365 | ||
20379f03 | 4366 | static int nfs_access_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4367 | { |
4368 | int nfsmode = 0; | |
463d59bf | 4369 | ACCESS3args args; |
84004dbf RS |
4370 | |
4371 | if (data->continue_int & R_OK) { | |
4372 | nfsmode |= ACCESS3_READ; | |
4373 | } | |
4374 | if (data->continue_int & W_OK) { | |
4375 | nfsmode |= ACCESS3_MODIFY; | |
4376 | } | |
4377 | if (data->continue_int & X_OK) { | |
4378 | nfsmode |= ACCESS3_EXECUTE; | |
4379 | } | |
4380 | ||
463d59bf | 4381 | memset(&args, 0, sizeof(ACCESS3args)); |
2452c57f | 4382 | args.object = data->fh; |
463d59bf RS |
4383 | args.access = nfsmode; |
4384 | ||
4385 | if (rpc_nfs3_access_async(nfs->rpc, nfs_access_cb, &args, data) != 0) { | |
84004dbf RS |
4386 | rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path); |
4387 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4388 | free_nfs_cb_data(data); | |
4389 | return -1; | |
4390 | } | |
4391 | return 0; | |
4392 | } | |
4393 | ||
4394 | int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
4395 | { | |
1d151991 | 4396 | if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) { |
cbbf9d3e RS |
4397 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
4398 | return -1; | |
84004dbf RS |
4399 | } |
4400 | ||
4401 | return 0; | |
4402 | } | |
4403 | ||
4404 | ||
4405 | ||
4406 | /* | |
4407 | * Async symlink() | |
4408 | */ | |
4409 | struct nfs_symlink_data { | |
4410 | char *oldpath; | |
4411 | char *newpathparent; | |
4412 | char *newpathobject; | |
4413 | }; | |
4414 | ||
4415 | static void free_nfs_symlink_data(void *mem) | |
4416 | { | |
4417 | struct nfs_symlink_data *data = mem; | |
4418 | ||
4419 | if (data->oldpath != NULL) { | |
4420 | free(data->oldpath); | |
4421 | } | |
4422 | if (data->newpathparent != NULL) { | |
4423 | free(data->newpathparent); | |
4424 | } | |
4425 | if (data->newpathobject != NULL) { | |
4426 | free(data->newpathobject); | |
4427 | } | |
4428 | free(data); | |
4429 | } | |
4430 | ||
f3a75078 | 4431 | static void nfs_symlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4432 | { |
4433 | SYMLINK3res *res; | |
4434 | struct nfs_cb_data *data = private_data; | |
4435 | struct nfs_context *nfs = data->nfs; | |
4436 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
4b1ae88a | 4437 | |
f3a75078 RS |
4438 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4439 | ||
84004dbf RS |
4440 | if (status == RPC_STATUS_ERROR) { |
4441 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4442 | free_nfs_cb_data(data); | |
4443 | return; | |
4444 | } | |
4445 | if (status == RPC_STATUS_CANCEL) { | |
4446 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4447 | free_nfs_cb_data(data); | |
4448 | return; | |
4449 | } | |
4450 | ||
4451 | res = command_data; | |
4452 | if (res->status != NFS3_OK) { | |
4453 | 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)); | |
4454 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4455 | free_nfs_cb_data(data); | |
4456 | return; | |
4457 | } | |
4458 | ||
4459 | data->cb(0, nfs, NULL, data->private_data); | |
4460 | free_nfs_cb_data(data); | |
4461 | } | |
4462 | ||
20379f03 | 4463 | static int nfs_symlink_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4464 | { |
4465 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
87f81c85 | 4466 | SYMLINK3args args; |
84004dbf | 4467 | |
87f81c85 | 4468 | memset(&args, 0, sizeof(SYMLINK3args)); |
2452c57f | 4469 | args.where.dir = data->fh; |
87f81c85 RS |
4470 | args.where.name = symlink_data->newpathobject; |
4471 | args.symlink.symlink_attributes.mode.set_it = 1; | |
4472 | 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; | |
4473 | args.symlink.symlink_data = symlink_data->oldpath; | |
8e255816 | 4474 | |
87f81c85 | 4475 | if (rpc_nfs3_symlink_async(nfs->rpc, nfs_symlink_cb, &args, data) != 0) { |
84004dbf RS |
4476 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path); |
4477 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4478 | free_nfs_cb_data(data); | |
4479 | return -1; | |
4480 | } | |
4481 | return 0; | |
4482 | } | |
4483 | ||
4484 | int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
4485 | { | |
4486 | char *ptr; | |
4487 | struct nfs_symlink_data *symlink_data; | |
4488 | ||
4489 | symlink_data = malloc(sizeof(struct nfs_symlink_data)); | |
4490 | if (symlink_data == NULL) { | |
cbbf9d3e | 4491 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data"); |
84004dbf RS |
4492 | return -1; |
4493 | } | |
ea98629a | 4494 | memset(symlink_data, 0, sizeof(struct nfs_symlink_data)); |
84004dbf RS |
4495 | |
4496 | symlink_data->oldpath = strdup(oldpath); | |
4497 | if (symlink_data->oldpath == NULL) { | |
cbbf9d3e | 4498 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 4499 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 4500 | return -1; |
84004dbf RS |
4501 | } |
4502 | ||
4503 | symlink_data->newpathparent = strdup(newpath); | |
4504 | if (symlink_data->newpathparent == NULL) { | |
cbbf9d3e | 4505 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); |
84004dbf | 4506 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 4507 | return -1; |
84004dbf RS |
4508 | } |
4509 | ||
93e9306f | 4510 | ptr = strrchr(symlink_data->newpathparent, '/'); |
84004dbf | 4511 | if (ptr == NULL) { |
cbbf9d3e | 4512 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); |
84004dbf | 4513 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 4514 | return -1; |
84004dbf RS |
4515 | } |
4516 | *ptr = 0; | |
4517 | ptr++; | |
4518 | ||
4519 | symlink_data->newpathobject = strdup(ptr); | |
4520 | if (symlink_data->newpathobject == NULL) { | |
cbbf9d3e | 4521 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); |
84004dbf | 4522 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 4523 | return -1; |
84004dbf RS |
4524 | } |
4525 | ||
1d151991 | 4526 | 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 |
4527 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
4528 | return -1; | |
84004dbf RS |
4529 | } |
4530 | ||
4531 | return 0; | |
4532 | } | |
4533 | ||
4534 | ||
4535 | ||
4536 | /* | |
4537 | * Async rename() | |
4538 | */ | |
4539 | struct nfs_rename_data { | |
4540 | char *oldpath; | |
4541 | char *oldobject; | |
4542 | struct nfs_fh3 olddir; | |
4543 | char *newpath; | |
4544 | char *newobject; | |
4545 | struct nfs_fh3 newdir; | |
4546 | }; | |
4547 | ||
4548 | static void free_nfs_rename_data(void *mem) | |
4549 | { | |
4550 | struct nfs_rename_data *data = mem; | |
4551 | ||
4552 | if (data->oldpath != NULL) { | |
4553 | free(data->oldpath); | |
4554 | } | |
4555 | if (data->olddir.data.data_val != NULL) { | |
4556 | free(data->olddir.data.data_val); | |
4557 | } | |
4558 | if (data->newpath != NULL) { | |
4559 | free(data->newpath); | |
4560 | } | |
4561 | if (data->newdir.data.data_val != NULL) { | |
4562 | free(data->newdir.data.data_val); | |
4563 | } | |
4564 | free(data); | |
4565 | } | |
4566 | ||
f3a75078 | 4567 | static void nfs_rename_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4568 | { |
4569 | RENAME3res *res; | |
4570 | struct nfs_cb_data *data = private_data; | |
4571 | struct nfs_context *nfs = data->nfs; | |
4572 | struct nfs_rename_data *rename_data = data->continue_data; | |
4b1ae88a | 4573 | |
f3a75078 RS |
4574 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4575 | ||
84004dbf RS |
4576 | if (status == RPC_STATUS_ERROR) { |
4577 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4578 | free_nfs_cb_data(data); | |
4579 | return; | |
4580 | } | |
4581 | if (status == RPC_STATUS_CANCEL) { | |
4582 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4583 | free_nfs_cb_data(data); | |
4584 | return; | |
4585 | } | |
4586 | ||
4587 | res = command_data; | |
4588 | if (res->status != NFS3_OK) { | |
4589 | 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)); | |
4590 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4591 | free_nfs_cb_data(data); | |
4592 | return; | |
4593 | } | |
4594 | ||
4595 | data->cb(0, nfs, NULL, data->private_data); | |
4596 | free_nfs_cb_data(data); | |
4597 | } | |
4598 | ||
20379f03 | 4599 | static int nfs_rename_continue_2_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4600 | { |
4601 | struct nfs_rename_data *rename_data = data->continue_data; | |
5940c705 | 4602 | RENAME3args args; |
84004dbf RS |
4603 | |
4604 | /* steal the filehandle */ | |
2452c57f | 4605 | rename_data->newdir = data->fh; |
84004dbf RS |
4606 | data->fh.data.data_val = NULL; |
4607 | ||
5940c705 RS |
4608 | args.from.dir = rename_data->olddir; |
4609 | args.from.name = rename_data->oldobject; | |
4610 | args.to.dir = rename_data->newdir; | |
4611 | args.to.name = rename_data->newobject; | |
4612 | if (rpc_nfs3_rename_async(nfs->rpc, nfs_rename_cb, &args, data) != 0) { | |
84004dbf RS |
4613 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path); |
4614 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4615 | free_nfs_cb_data(data); | |
4616 | return -1; | |
4617 | } | |
4618 | return 0; | |
4619 | } | |
4620 | ||
4621 | ||
20379f03 | 4622 | static int nfs_rename_continue_1_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4623 | { |
4624 | struct nfs_rename_data *rename_data = data->continue_data; | |
766bb4af AR |
4625 | char* newpath = strdup(rename_data->newpath); |
4626 | if (!newpath) { | |
4627 | rpc_set_error(nfs->rpc, "Out of memory. Could not allocate memory to store target path for rename"); | |
4628 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4629 | free_nfs_cb_data(data); | |
4630 | return -1; | |
4631 | } | |
84004dbf RS |
4632 | |
4633 | /* steal the filehandle */ | |
2452c57f | 4634 | rename_data->olddir = data->fh; |
84004dbf RS |
4635 | data->fh.data.data_val = NULL; |
4636 | ||
1d151991 | 4637 | 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 | 4638 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", newpath); |
84004dbf RS |
4639 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
4640 | free_nfs_cb_data(data); | |
766bb4af | 4641 | free(newpath); |
84004dbf RS |
4642 | return -1; |
4643 | } | |
4644 | data->continue_data = NULL; | |
4645 | free_nfs_cb_data(data); | |
766bb4af | 4646 | free(newpath); |
84004dbf RS |
4647 | |
4648 | return 0; | |
4649 | } | |
4650 | ||
4651 | ||
4652 | int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
4653 | { | |
4654 | char *ptr; | |
4655 | struct nfs_rename_data *rename_data; | |
4656 | ||
4657 | rename_data = malloc(sizeof(struct nfs_rename_data)); | |
4658 | if (rename_data == NULL) { | |
cbbf9d3e | 4659 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data"); |
84004dbf RS |
4660 | return -1; |
4661 | } | |
ea98629a | 4662 | memset(rename_data, 0, sizeof(struct nfs_rename_data)); |
84004dbf RS |
4663 | |
4664 | rename_data->oldpath = strdup(oldpath); | |
4665 | if (rename_data->oldpath == NULL) { | |
cbbf9d3e | 4666 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 4667 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 4668 | return -1; |
84004dbf | 4669 | } |
93e9306f | 4670 | ptr = strrchr(rename_data->oldpath, '/'); |
84004dbf | 4671 | if (ptr == NULL) { |
cbbf9d3e | 4672 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); |
84004dbf | 4673 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 4674 | return -1; |
84004dbf RS |
4675 | } |
4676 | *ptr = 0; | |
4677 | ptr++; | |
4678 | rename_data->oldobject = ptr; | |
4679 | ||
4680 | ||
4681 | rename_data->newpath = strdup(newpath); | |
4682 | if (rename_data->newpath == NULL) { | |
cbbf9d3e | 4683 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); |
84004dbf | 4684 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 4685 | return -1; |
84004dbf | 4686 | } |
93e9306f | 4687 | ptr = strrchr(rename_data->newpath, '/'); |
84004dbf | 4688 | if (ptr == NULL) { |
cbbf9d3e | 4689 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); |
84004dbf | 4690 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 4691 | return -1; |
84004dbf RS |
4692 | } |
4693 | *ptr = 0; | |
4694 | ptr++; | |
4695 | rename_data->newobject = ptr; | |
4696 | ||
4697 | ||
1d151991 | 4698 | 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 |
4699 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
4700 | return -1; | |
84004dbf RS |
4701 | } |
4702 | ||
4703 | return 0; | |
4704 | } | |
4705 | ||
4706 | ||
4707 | /* | |
4708 | * Async link() | |
4709 | */ | |
4710 | struct nfs_link_data { | |
4711 | char *oldpath; | |
4712 | struct nfs_fh3 oldfh; | |
4713 | char *newpath; | |
4714 | char *newobject; | |
4715 | struct nfs_fh3 newdir; | |
4716 | }; | |
4717 | ||
4718 | static void free_nfs_link_data(void *mem) | |
4719 | { | |
4720 | struct nfs_link_data *data = mem; | |
4721 | ||
4722 | if (data->oldpath != NULL) { | |
4723 | free(data->oldpath); | |
4724 | } | |
4725 | if (data->oldfh.data.data_val != NULL) { | |
4726 | free(data->oldfh.data.data_val); | |
4727 | } | |
4728 | if (data->newpath != NULL) { | |
4729 | free(data->newpath); | |
4730 | } | |
4731 | if (data->newdir.data.data_val != NULL) { | |
4732 | free(data->newdir.data.data_val); | |
4733 | } | |
4734 | free(data); | |
4735 | } | |
4736 | ||
f3a75078 | 4737 | static void nfs_link_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
4738 | { |
4739 | LINK3res *res; | |
4740 | struct nfs_cb_data *data = private_data; | |
4741 | struct nfs_context *nfs = data->nfs; | |
4742 | struct nfs_link_data *link_data = data->continue_data; | |
4b1ae88a | 4743 | |
f3a75078 RS |
4744 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4745 | ||
84004dbf RS |
4746 | if (status == RPC_STATUS_ERROR) { |
4747 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
4748 | free_nfs_cb_data(data); | |
4749 | return; | |
4750 | } | |
4751 | if (status == RPC_STATUS_CANCEL) { | |
4752 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
4753 | free_nfs_cb_data(data); | |
4754 | return; | |
4755 | } | |
4756 | ||
4757 | res = command_data; | |
4758 | if (res->status != NFS3_OK) { | |
4759 | 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)); | |
4760 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4761 | free_nfs_cb_data(data); | |
4762 | return; | |
4763 | } | |
4764 | ||
4765 | data->cb(0, nfs, NULL, data->private_data); | |
4766 | free_nfs_cb_data(data); | |
4767 | } | |
4768 | ||
20379f03 | 4769 | static int nfs_link_continue_2_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4770 | { |
4771 | struct nfs_link_data *link_data = data->continue_data; | |
560f9434 | 4772 | LINK3args args; |
84004dbf RS |
4773 | |
4774 | /* steal the filehandle */ | |
2452c57f | 4775 | link_data->newdir = data->fh; |
84004dbf RS |
4776 | data->fh.data.data_val = NULL; |
4777 | ||
560f9434 RS |
4778 | memset(&args, 0, sizeof(LINK3args)); |
4779 | args.file = link_data->oldfh; | |
4780 | args.link.dir = link_data->newdir; | |
4781 | args.link.name = link_data->newobject; | |
4782 | if (rpc_nfs3_link_async(nfs->rpc, nfs_link_cb, &args, data) != 0) { | |
84004dbf RS |
4783 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path); |
4784 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4785 | free_nfs_cb_data(data); | |
4786 | return -1; | |
4787 | } | |
4788 | return 0; | |
4789 | } | |
4790 | ||
4791 | ||
20379f03 | 4792 | static int nfs_link_continue_1_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data) |
84004dbf RS |
4793 | { |
4794 | struct nfs_link_data *link_data = data->continue_data; | |
4795 | ||
4796 | /* steal the filehandle */ | |
2452c57f | 4797 | link_data->oldfh = data->fh; |
84004dbf RS |
4798 | data->fh.data.data_val = NULL; |
4799 | ||
1d151991 | 4800 | 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 |
4801 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath); |
4802 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
4803 | free_nfs_cb_data(data); | |
4804 | return -1; | |
4805 | } | |
4806 | data->continue_data = NULL; | |
4807 | free_nfs_cb_data(data); | |
4808 | ||
4809 | return 0; | |
4810 | } | |
4811 | ||
4812 | ||
4813 | int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
4814 | { | |
4815 | char *ptr; | |
4816 | struct nfs_link_data *link_data; | |
4817 | ||
4818 | link_data = malloc(sizeof(struct nfs_link_data)); | |
4819 | if (link_data == NULL) { | |
cbbf9d3e | 4820 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data"); |
84004dbf RS |
4821 | return -1; |
4822 | } | |
ea98629a | 4823 | memset(link_data, 0, sizeof(struct nfs_link_data)); |
84004dbf RS |
4824 | |
4825 | link_data->oldpath = strdup(oldpath); | |
4826 | if (link_data->oldpath == NULL) { | |
cbbf9d3e | 4827 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 4828 | free_nfs_link_data(link_data); |
cbbf9d3e | 4829 | return -1; |
84004dbf RS |
4830 | } |
4831 | ||
4832 | link_data->newpath = strdup(newpath); | |
4833 | if (link_data->newpath == NULL) { | |
cbbf9d3e | 4834 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); |
84004dbf | 4835 | free_nfs_link_data(link_data); |
cbbf9d3e | 4836 | return -1; |
84004dbf | 4837 | } |
93e9306f | 4838 | ptr = strrchr(link_data->newpath, '/'); |
84004dbf | 4839 | if (ptr == NULL) { |
cbbf9d3e | 4840 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); |
84004dbf | 4841 | free_nfs_link_data(link_data); |
cbbf9d3e | 4842 | return -1; |
84004dbf RS |
4843 | } |
4844 | *ptr = 0; | |
4845 | ptr++; | |
4846 | link_data->newobject = ptr; | |
4847 | ||
4848 | ||
1d151991 | 4849 | 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 |
4850 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
4851 | return -1; | |
84004dbf RS |
4852 | } |
4853 | ||
4854 | return 0; | |
4855 | } | |
4856 | ||
4857 | ||
4858 | //qqq replace later with lseek() | |
183451cf | 4859 | uint64_t nfs_get_current_offset(struct nfsfh *nfsfh) |
84004dbf RS |
4860 | { |
4861 | return nfsfh->offset; | |
4862 | } | |
4863 | ||
17ef62fa RS |
4864 | |
4865 | ||
4866 | /* | |
4867 | * Get the maximum supported READ3 size by the server | |
4868 | */ | |
183451cf | 4869 | uint64_t nfs_get_readmax(struct nfs_context *nfs) |
17ef62fa RS |
4870 | { |
4871 | return nfs->readmax; | |
4872 | } | |
4873 | ||
4874 | /* | |
4875 | * Get the maximum supported WRITE3 size by the server | |
4876 | */ | |
183451cf | 4877 | uint64_t nfs_get_writemax(struct nfs_context *nfs) |
17ef62fa | 4878 | { |
e7f3a781 | 4879 | return nfs->writemax; |
17ef62fa | 4880 | } |
1896d37b | 4881 | |
d43a8953 PL |
4882 | void nfs_set_tcp_syncnt(struct nfs_context *nfs, int v) { |
4883 | rpc_set_tcp_syncnt(nfs->rpc, v); | |
4884 | } | |
4885 | ||
4886 | void nfs_set_uid(struct nfs_context *nfs, int uid) { | |
4887 | rpc_set_uid(nfs->rpc, uid); | |
4888 | } | |
4889 | ||
4890 | void nfs_set_gid(struct nfs_context *nfs, int gid) { | |
4891 | rpc_set_gid(nfs->rpc, gid); | |
4892 | } | |
4893 | ||
3ca2aac9 PL |
4894 | void nfs_set_readahead(struct nfs_context *nfs, uint32_t v) { |
4895 | rpc_set_readahead(nfs->rpc, v); | |
4896 | } | |
4897 | ||
1896d37b RS |
4898 | void nfs_set_error(struct nfs_context *nfs, char *error_string, ...) |
4899 | { | |
4900 | va_list ap; | |
1e8994af | 4901 | char *str = NULL; |
1896d37b | 4902 | |
1e8994af | 4903 | va_start(ap, error_string); |
2606f9bb RS |
4904 | str = malloc(1024); |
4905 | vsnprintf(str, 1024, error_string, ap); | |
1896d37b RS |
4906 | if (nfs->rpc->error_string != NULL) { |
4907 | free(nfs->rpc->error_string); | |
4908 | } | |
1896d37b | 4909 | nfs->rpc->error_string = str; |
f893b680 | 4910 | va_end(ap); |
1896d37b | 4911 | } |
7f0242ca RS |
4912 | |
4913 | ||
4914 | ||
4915 | struct mount_cb_data { | |
4916 | rpc_cb cb; | |
4917 | void *private_data; | |
4918 | char *server; | |
4919 | }; | |
4920 | ||
4921 | static void free_mount_cb_data(struct mount_cb_data *data) | |
4922 | { | |
4923 | if (data->server != NULL) { | |
4924 | free(data->server); | |
4925 | data->server = NULL; | |
4926 | } | |
4927 | ||
4928 | free(data); | |
4929 | } | |
4930 | ||
4931 | static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
4932 | { | |
4933 | struct mount_cb_data *data = private_data; | |
4934 | ||
f3a75078 RS |
4935 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4936 | ||
4937 | if (status == RPC_STATUS_ERROR) { | |
7f0242ca RS |
4938 | data->cb(rpc, -EFAULT, command_data, data->private_data); |
4939 | free_mount_cb_data(data); | |
4940 | return; | |
4941 | } | |
4942 | if (status == RPC_STATUS_CANCEL) { | |
4943 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
4944 | free_mount_cb_data(data); | |
4945 | return; | |
4946 | } | |
4947 | ||
4948 | data->cb(rpc, 0, command_data, data->private_data); | |
4949 | if (rpc_disconnect(rpc, "normal disconnect") != 0) { | |
4950 | rpc_set_error(rpc, "Failed to disconnect\n"); | |
4951 | } | |
4952 | free_mount_cb_data(data); | |
4953 | } | |
4954 | ||
4955 | static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
4956 | { | |
4957 | struct mount_cb_data *data = private_data; | |
4958 | ||
f3a75078 RS |
4959 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4960 | ||
14a062eb RS |
4961 | /* Dont want any more callbacks even if the socket is closed */ |
4962 | rpc->connect_cb = NULL; | |
4963 | ||
4b1ae88a | 4964 | if (status == RPC_STATUS_ERROR) { |
7f0242ca RS |
4965 | data->cb(rpc, -EFAULT, command_data, data->private_data); |
4966 | free_mount_cb_data(data); | |
4967 | return; | |
4968 | } | |
4969 | if (status == RPC_STATUS_CANCEL) { | |
4970 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
4971 | free_mount_cb_data(data); | |
4972 | return; | |
4973 | } | |
4974 | ||
eda77ec3 | 4975 | if (rpc_mount3_export_async(rpc, mount_export_5_cb, data) != 0) { |
7f0242ca RS |
4976 | data->cb(rpc, -ENOMEM, command_data, data->private_data); |
4977 | free_mount_cb_data(data); | |
4978 | return; | |
4979 | } | |
4980 | } | |
4981 | ||
7f0242ca RS |
4982 | int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data) |
4983 | { | |
4984 | struct mount_cb_data *data; | |
4985 | ||
f3a75078 RS |
4986 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
4987 | ||
7f0242ca RS |
4988 | data = malloc(sizeof(struct mount_cb_data)); |
4989 | if (data == NULL) { | |
4990 | return -1; | |
4991 | } | |
ea98629a | 4992 | memset(data, 0, sizeof(struct mount_cb_data)); |
7f0242ca RS |
4993 | data->cb = cb; |
4994 | data->private_data = private_data; | |
4995 | data->server = strdup(server); | |
4996 | if (data->server == NULL) { | |
4997 | free_mount_cb_data(data); | |
4998 | return -1; | |
4b1ae88a | 4999 | } |
2a32a899 RS |
5000 | if (rpc_connect_program_async(rpc, data->server, MOUNT_PROGRAM, MOUNT_V3, mount_export_4_cb, data) != 0) { |
5001 | rpc_set_error(rpc, "Failed to start connection"); | |
7f0242ca RS |
5002 | free_mount_cb_data(data); |
5003 | return -1; | |
5004 | } | |
5005 | ||
5006 | return 0; | |
5007 | } | |
5008 | ||
df5af25f RS |
5009 | struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs) |
5010 | { | |
f3a75078 | 5011 | assert(nfs->rpc->magic == RPC_CONTEXT_MAGIC); |
df5af25f RS |
5012 | return nfs->rpc; |
5013 | } | |
5014 | ||
b077fdeb RS |
5015 | const char *nfs_get_server(struct nfs_context *nfs) { |
5016 | return nfs->server; | |
5017 | } | |
5018 | ||
5019 | const char *nfs_get_export(struct nfs_context *nfs) { | |
5020 | return nfs->export; | |
5021 | } | |
0ad9a1f1 | 5022 | |
8724c833 RS |
5023 | const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) { |
5024 | return &nfs->rootfh; | |
5025 | } | |
fa3c25be RS |
5026 | |
5027 | struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) { | |
5028 | return &nfsfh->fh; | |
5029 | } |