2 * This is sample code generated by rpcgen.
3 * These are only templates and you can use them
4 * as a guideline for developing your own functions.
13 static void *null_result = (void *)&null_int;
15 /* Check that a string is a valid file name. We require that it be valid
16 * UTF-8, that it not be empty, and that it not contain embedded forward
17 * slashes. Also checks that the length of the string is not more than the
18 * maximum allowed length. This function does allow the names "." and "..".
19 * Returns TRUE if the string is allowed as a filename. */
20 gboolean validate_filename(const char *filename)
22 if (filename == NULL || filename[0] == '\0')
24 if (strlen(filename) > 255)
26 if (!g_utf8_validate(filename, -1, NULL))
28 if (strchr(filename, '/') != NULL)
33 /* Look up a BlueSkyInode given an NFS filehandle. Returns NULL if the
34 * filehandle is invalid. */
35 BlueSkyInode *lookup_fh(nfs_fh3 *fh)
37 BlueSkyInode *inode = NULL;
38 if (fh->data.data_len == 8) {
39 uint64_t inum = GUINT64_FROM_BE(*(uint64_t *)(fh->data.data_val));
40 inode = bluesky_get_inode(fs, inum);
45 int64_t decode_nfstime3(nfstime3 *time)
47 int64_t result = (int64_t)time->seconds * 1000000;
48 result += time->nseconds / 1000;
52 void set_attributes(BlueSkyInode *inode, sattr3 *attributes)
54 int64_t now = bluesky_get_current_time();
56 if (attributes->mode.set) {
57 inode->mode = attributes->mode.set_uint32_u.val;
60 if (attributes->uid.set) {
61 inode->uid = attributes->uid.set_uint32_u.val;
64 if (attributes->gid.set) {
65 inode->gid = attributes->gid.set_uint32_u.val;
68 if (attributes->size.set) {
69 if (inode->type == BLUESKY_REGULAR) {
70 bluesky_file_truncate(inode, attributes->size.set_uint64_u.val);
75 switch (attributes->atime.set) {
78 case SET_TO_SERVER_TIME:
81 case SET_TO_CLIENT_TIME:
82 inode->atime = decode_nfstime3(&attributes->atime.set_time_u.time);
86 switch (attributes->mtime.set) {
89 case SET_TO_SERVER_TIME:
92 case SET_TO_CLIENT_TIME:
93 inode->mtime = decode_nfstime3(&attributes->mtime.set_time_u.time);
98 inode->change_count++;
101 /* Copy inode attributes into NFS response. The BlueSkyInode should be locked
103 void encode_fattr3(struct fattr3 *result, BlueSkyInode *inode)
105 result->type = inode->type;
106 result->mode = inode->mode;
107 result->nlink = inode->nlink;
108 result->uid = inode->uid;
109 result->gid = inode->gid;
110 result->size = inode->size;
112 result->rdev.major = 0;
113 result->rdev.minor = 0;
115 result->fileid = inode->inum;
116 result->atime.seconds = inode->atime / 1000000;
117 result->atime.nseconds = (inode->atime % 1000000) * 1000;
118 result->mtime.seconds = inode->mtime / 1000000;
119 result->mtime.nseconds = (inode->mtime % 1000000) * 1000;
120 result->ctime.seconds = inode->ctime / 1000000;
121 result->ctime.nseconds = (inode->ctime % 1000000) * 1000;
123 switch (inode->type) {
124 case BLUESKY_SYMLINK:
125 result->size = strlen(inode->symlink_contents);
132 void encode_pre_wcc(struct wcc_data *wcc, BlueSkyInode *inode)
134 wcc->before.present = TRUE;
135 wcc->before.pre_op_attr_u.attributes.size = inode->size;
136 wcc->before.pre_op_attr_u.attributes.mtime.seconds = inode->mtime / 1000000;
137 wcc->before.pre_op_attr_u.attributes.mtime.nseconds = (inode->mtime % 1000000) * 1000;
138 wcc->before.pre_op_attr_u.attributes.ctime.seconds = inode->ctime / 1000000;
139 wcc->before.pre_op_attr_u.attributes.ctime.nseconds = (inode->ctime % 1000000) * 1000;
143 nfsproc3_null_3_svc(void *argp, struct svc_req *rqstp)
149 nfsproc3_getattr_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
151 static getattr3res result;
153 BlueSkyInode *inode = lookup_fh(argp);
155 result.status = NFS3_OK;
156 encode_fattr3(&result.getattr3res_u.attributes, inode);
158 result.status = NFS3ERR_STALE;
165 nfsproc3_setattr_3_svc(setattr3args *argp, struct svc_req *rqstp)
167 static wccstat3 result;
169 result.wccstat3_u.wcc.before.present = FALSE;
170 result.wccstat3_u.wcc.after.present = FALSE;
171 BlueSkyInode *inode = lookup_fh(&argp->object);
173 result.status = NFS3ERR_STALE;
177 encode_pre_wcc(&result.wccstat3_u.wcc, inode);
178 if (argp->guard.check) {
179 if (inode->ctime != decode_nfstime3(&argp->guard.sattrguard3_u.ctime)) {
180 result.status = NFS3ERR_NOT_SYNC;
181 result.wccstat3_u.wcc.after.present = TRUE;
182 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes, inode);
187 set_attributes(inode, &argp->new_attributes);
189 result.wccstat3_u.wcc.after.present = TRUE;
190 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
192 result.status = NFS3_OK;
198 nfsproc3_lookup_3_svc(diropargs3 *argp, struct svc_req *rqstp)
200 static lookup3res result;
202 BlueSkyInode *dir = lookup_fh(&argp->dir);
204 result.status = NFS3ERR_STALE;
205 result.lookup3res_u.resfail.present = FALSE;
209 result.lookup3res_u.resfail.present = TRUE;
210 encode_fattr3(&result.lookup3res_u.resfail.post_op_attr_u.attributes, dir);
211 if (!validate_filename(argp->name)) {
212 if (strlen(argp->name) > 255)
213 result.status = NFS3ERR_NAMETOOLONG;
215 result.status = NFS3ERR_NOENT;
219 /* TODO: Special-case "." and "..". */
220 uint64_t inum = bluesky_directory_lookup(dir, argp->name);
222 result.status = NFS3ERR_NOENT;
225 BlueSkyInode *inode = bluesky_get_inode(fs, inum);
227 result.status = NFS3ERR_NOENT;
231 result.status = NFS3_OK;
232 result.lookup3res_u.resok.dir_attributes.present = TRUE;
233 encode_fattr3(&result.lookup3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
234 result.lookup3res_u.resok.obj_attributes.present = TRUE;
235 encode_fattr3(&result.lookup3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
237 static uint64_t fh_bytes;
238 fh_bytes = GUINT64_TO_BE(inum);
239 result.lookup3res_u.resok.object.data.data_len = 8;
240 result.lookup3res_u.resok.object.data.data_val = (char *)&fh_bytes;
246 nfsproc3_access_3_svc(access3args *argp, struct svc_req *rqstp)
248 static access3res result;
250 BlueSkyInode *inode = lookup_fh(&argp->object);
252 result.status = NFS3ERR_STALE;
253 result.access3res_u.resfail.present = FALSE;
257 result.status = NFS3_OK;
258 result.access3res_u.resok.obj_attributes.present = TRUE;
259 encode_fattr3(&result.access3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
260 result.access3res_u.resok.access = argp->access;
266 nfsproc3_readlink_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
268 static readlink3res result;
269 memset(&result, 0, sizeof(result));
271 BlueSkyInode *inode = lookup_fh(argp);
273 if (inode->type == BLUESKY_SYMLINK) {
274 result.status = NFS3_OK;
275 result.readlink3res_u.resok.symlink_attributes.present = TRUE;
276 encode_fattr3(&result.readlink3res_u.resok.symlink_attributes.post_op_attr_u.attributes, inode);
277 result.readlink3res_u.resok.data = inode->symlink_contents;
279 result.status = NFS3ERR_INVAL;
280 result.readlink3res_u.resfail.present = TRUE;
281 encode_fattr3(&result.readlink3res_u.resfail.post_op_attr_u.attributes, inode);
284 result.status = NFS3ERR_STALE;
291 nfsproc3_read_3_svc(read3args *argp, struct svc_req *rqstp)
293 static read3res result;
294 static char buf[32768];
296 BlueSkyInode *inode = lookup_fh(&argp->file);
298 result.status = NFS3ERR_STALE;
299 result.read3res_u.resfail.present = FALSE;
303 int count = argp->count;
304 if (argp->offset >= inode->size) {
306 result.read3res_u.resok.eof = TRUE;
308 count = MIN(count, inode->size - argp->offset);
309 if (argp->offset + count == inode->size)
310 result.read3res_u.resok.eof = TRUE;
312 result.read3res_u.resok.eof = FALSE;
314 bluesky_file_read(inode, argp->offset, buf, count);
317 result.status = NFS3_OK;
318 result.read3res_u.resok.file_attributes.present = TRUE;
319 encode_fattr3(&result.read3res_u.resok.file_attributes.post_op_attr_u.attributes, inode);
320 result.read3res_u.resok.count = count;
321 result.read3res_u.resok.data.data_val = buf;
322 result.read3res_u.resok.data.data_len = count;
328 nfsproc3_write_3_svc(write3args *argp, struct svc_req *rqstp)
330 static write3res result;
332 memset(&wcc, 0, sizeof(wcc));
334 BlueSkyInode *inode = lookup_fh(&argp->file);
336 result.status = NFS3ERR_STALE;
337 result.write3res_u.resfail = wcc;
341 encode_pre_wcc(&wcc, inode);
342 if (inode->type != BLUESKY_REGULAR) {
343 result.status = NFS3ERR_INVAL;
344 result.write3res_u.resfail = wcc;
348 uint64_t lastbyte = argp->offset + argp->count;
349 if (lastbyte > inode->size) {
350 bluesky_file_truncate(inode, lastbyte);
353 if (argp->data.data_len < argp->count) {
356 bluesky_file_write(inode, argp->offset,
357 argp->data.data_val, argp->count);
360 encode_fattr3(&wcc.after.post_op_attr_u.attributes, inode);
361 result.write3res_u.resok.file_wcc = wcc;
362 result.write3res_u.resok.count = argp->count;
363 result.write3res_u.resok.committed = FILE_SYNC;
369 nfsproc3_create_3_svc(create3args *argp, struct svc_req *rqstp)
371 static diropres3 result;
373 memset(&wcc, 0, sizeof(wcc));
375 BlueSkyInode *dir = lookup_fh(&argp->where.dir);
377 result.status = NFS3ERR_STALE;
378 result.diropres3_u.resfail = wcc;
382 encode_pre_wcc(&wcc, dir);
383 if (dir->type != BLUESKY_DIRECTORY) {
384 result.status = NFS3ERR_NOTDIR;
385 result.diropres3_u.resfail = wcc;
389 if (!validate_filename(argp->where.name)
390 || strcmp(argp->where.name, ".") == 0
391 || strcmp(argp->where.name, "..") == 0)
393 result.status = NFS3ERR_EXIST;
394 result.diropres3_u.resfail = wcc;
399 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_REGULAR);
402 int64_t time = bluesky_get_current_time();
403 printf("time: %"PRIi64"\n", time);
408 bluesky_insert_inode(fs, file);
409 bluesky_directory_insert(dir, argp->where.name, file->inum);
411 dir->mtime = dir->ctime = bluesky_get_current_time();
414 wcc.after.present = TRUE;
415 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
416 result.diropres3_u.resok.obj_attributes.present = TRUE;
417 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
418 result.diropres3_u.resok.dir_wcc = wcc;
420 static uint64_t fh_bytes;
421 fh_bytes = GUINT64_TO_BE(file->inum);
422 result.diropres3_u.resok.obj.present = TRUE;
423 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
424 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
430 nfsproc3_mkdir_3_svc(mkdir3args *argp, struct svc_req *rqstp)
432 static diropres3 result;
434 memset(&wcc, 0, sizeof(wcc));
436 BlueSkyInode *dir = lookup_fh(&argp->where.dir);
438 result.status = NFS3ERR_STALE;
439 result.diropres3_u.resfail = wcc;
443 encode_pre_wcc(&wcc, dir);
444 if (dir->type != BLUESKY_DIRECTORY) {
445 result.status = NFS3ERR_NOTDIR;
446 result.diropres3_u.resfail = wcc;
450 if (!validate_filename(argp->where.name)
451 || strcmp(argp->where.name, ".") == 0
452 || strcmp(argp->where.name, "..") == 0)
454 result.status = NFS3ERR_EXIST;
455 result.diropres3_u.resfail = wcc;
460 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_DIRECTORY);
463 int64_t time = bluesky_get_current_time();
468 bluesky_insert_inode(fs, file);
469 bluesky_directory_insert(dir, argp->where.name, file->inum);
470 set_attributes(file, &argp->attributes);
472 dir->mtime = dir->ctime = bluesky_get_current_time();
475 wcc.after.present = TRUE;
476 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
477 result.diropres3_u.resok.obj_attributes.present = TRUE;
478 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
479 result.diropres3_u.resok.dir_wcc = wcc;
481 static uint64_t fh_bytes;
482 fh_bytes = GUINT64_TO_BE(file->inum);
483 result.diropres3_u.resok.obj.present = TRUE;
484 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
485 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
491 nfsproc3_symlink_3_svc(symlink3args *argp, struct svc_req *rqstp)
493 static diropres3 result;
495 memset(&wcc, 0, sizeof(wcc));
497 BlueSkyInode *dir = lookup_fh(&argp->where.dir);
499 result.status = NFS3ERR_STALE;
500 result.diropres3_u.resfail = wcc;
504 encode_pre_wcc(&wcc, dir);
505 if (dir->type != BLUESKY_DIRECTORY) {
506 result.status = NFS3ERR_NOTDIR;
507 result.diropres3_u.resfail = wcc;
511 if (!validate_filename(argp->where.name)
512 || strcmp(argp->where.name, ".") == 0
513 || strcmp(argp->where.name, "..") == 0)
515 result.status = NFS3ERR_EXIST;
516 result.diropres3_u.resfail = wcc;
521 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_SYMLINK);
524 int64_t time = bluesky_get_current_time();
529 file->symlink_contents = g_strdup(argp->symlink.symlink_data);
530 bluesky_insert_inode(fs, file);
531 bluesky_directory_insert(dir, argp->where.name, file->inum);
533 dir->mtime = dir->ctime = bluesky_get_current_time();
536 wcc.after.present = TRUE;
537 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
538 result.diropres3_u.resok.obj_attributes.present = TRUE;
539 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
540 result.diropres3_u.resok.dir_wcc = wcc;
542 static uint64_t fh_bytes;
543 fh_bytes = GUINT64_TO_BE(file->inum);
544 result.diropres3_u.resok.obj.present = TRUE;
545 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
546 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
552 nfsproc3_mknod_3_svc(mknod3args *argp, struct svc_req *rqstp)
554 static diropres3 result;
556 result.status = NFS3ERR_NOTSUPP;
562 nfsproc3_remove_3_svc(diropargs3 *argp, struct svc_req *rqstp)
564 static wccstat3 result;
566 result.wccstat3_u.wcc.before.present = FALSE;
567 result.wccstat3_u.wcc.after.present = FALSE;
569 BlueSkyInode *dir = lookup_fh(&argp->dir);
571 result.status = NFS3ERR_STALE;
575 encode_pre_wcc(&result.wccstat3_u.wcc, dir);
577 if (!validate_filename(argp->name)
578 || strcmp(argp->name, ".") == 0
579 || strcmp(argp->name, "..") == 0)
581 result.status = NFS3ERR_NOENT;
585 /* TODO: Decrement link count, deallocate inode if needed. */
587 bluesky_directory_remove(dir, argp->name);
589 result.status = NFS3_OK;
590 result.wccstat3_u.wcc.after.present = TRUE;
591 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
598 nfsproc3_rmdir_3_svc(diropargs3 *argp, struct svc_req *rqstp)
600 static wccstat3 result;
602 result.status = NFS3ERR_NOTSUPP;
608 nfsproc3_rename_3_svc(rename3args *argp, struct svc_req *rqstp)
610 static rename3res result;
612 result.status = NFS3ERR_NOTSUPP;
618 nfsproc3_link_3_svc(link3args *argp, struct svc_req *rqstp)
620 static link3res result;
622 memset(&wcc, 0, sizeof(wcc));
624 BlueSkyInode *inode = lookup_fh(&argp->file);
626 result.status = NFS3ERR_STALE;
627 result.link3res_u.res.linkdir_wcc = wcc;
631 BlueSkyInode *dir = lookup_fh(&argp->link.dir);
633 result.status = NFS3ERR_STALE;
634 result.link3res_u.res.linkdir_wcc = wcc;
638 encode_pre_wcc(&wcc, dir);
639 if (dir->type != BLUESKY_DIRECTORY) {
640 result.status = NFS3ERR_NOTDIR;
641 result.link3res_u.res.linkdir_wcc = wcc;
645 if (!validate_filename(argp->link.name)
646 || strcmp(argp->link.name, ".") == 0
647 || strcmp(argp->link.name, "..") == 0
648 || bluesky_directory_lookup(dir, argp->link.name) != 0)
650 result.status = NFS3ERR_EXIST;
651 result.link3res_u.res.linkdir_wcc = wcc;
655 if (!bluesky_directory_insert(dir, argp->link.name, inode->inum)) {
656 result.status = NFS3ERR_EXIST;
657 result.link3res_u.res.linkdir_wcc = wcc;
661 bluesky_inode_update_ctime(inode, 0);
663 result.status = NFS3_OK;
664 wcc.after.present = TRUE;
665 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
666 result.link3res_u.res.file_attributes.present = TRUE;
667 encode_fattr3(&result.link3res_u.res.file_attributes.post_op_attr_u.attributes, inode);
668 result.link3res_u.res.linkdir_wcc = wcc;
673 gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
677 nfsproc3_readdir_3_svc(readdir3args *argp, struct svc_req *rqstp)
679 static readdir3res result;
681 BlueSkyInode *dir = lookup_fh(&argp->dir);
683 result.status = NFS3ERR_STALE;
684 result.readdir3res_u.resfail.present = FALSE;
688 result.status = NFS3_OK;
689 result.readdir3res_u.resok.dir_attributes.present = TRUE;
690 encode_fattr3(&result.readdir3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
691 memset(result.readdir3res_u.resok.cookieverf, 0,
692 sizeof(result.readdir3res_u.resok.cookieverf));
694 #define MAX_READDIR_DIRENTS 4
695 static entry3 dirents[MAX_READDIR_DIRENTS];
698 BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
699 GSequenceIter *i = g_sequence_search(dir->dirents, &start,
700 bluesky_dirent_compare, NULL);
702 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
703 BlueSkyDirent *d = g_sequence_get(i);
704 dirents[count].fileid = d->inum;
705 dirents[count].name = d->name;
706 dirents[count].cookie = d->cookie;
707 dirents[count].nextentry = NULL;
709 dirents[count - 1].nextentry = &dirents[count];
710 i = g_sequence_iter_next(i);
715 result.readdir3res_u.resok.reply.entries = &dirents[0];
717 result.readdir3res_u.resok.reply.entries = NULL;
718 result.readdir3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
724 nfsproc3_readdirplus_3_svc(readdirplus3args *argp, struct svc_req *rqstp)
726 static readdirplus3res result;
728 result.status = NFS3ERR_NOTSUPP;
734 nfsproc3_fsstat_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
736 static fsstat3res result;
738 result.status = NFS3ERR_NOTSUPP;
744 nfsproc3_fsinfo_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
746 static fsinfo3res result;
748 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
749 result.status = NFS3_OK;
750 result.fsinfo3res_u.resok.obj_attributes.present = TRUE;
751 encode_fattr3(&result.fsinfo3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
752 result.fsinfo3res_u.resok.rtmax = 32768;
753 result.fsinfo3res_u.resok.rtpref = 32768;
754 result.fsinfo3res_u.resok.rtmult = 4096;
755 result.fsinfo3res_u.resok.wtmax = 32768;
756 result.fsinfo3res_u.resok.wtpref = 32768;
757 result.fsinfo3res_u.resok.wtmult = 4096;
758 result.fsinfo3res_u.resok.dtpref = 4096;
759 result.fsinfo3res_u.resok.maxfilesize = 0x7fffffffffffffffULL;
760 result.fsinfo3res_u.resok.time_delta.seconds = 0;
761 result.fsinfo3res_u.resok.time_delta.nseconds = 1000;
762 result.fsinfo3res_u.resok.properties
763 = FSF3_LINK | FSF3_SYMLINK | FSF3_HOMOGENEOUS | FSF3_CANSETTIME;
769 nfsproc3_pathconf_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
771 static pathconf3res result;
773 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
774 result.status = NFS3_OK;
775 result.pathconf3res_u.resok.obj_attributes.present = TRUE;
776 encode_fattr3(&result.pathconf3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
777 result.pathconf3res_u.resok.linkmax = 0xffffffff;
778 result.pathconf3res_u.resok.name_max = 255;
779 result.pathconf3res_u.resok.no_trunc = TRUE;
780 result.pathconf3res_u.resok.chown_restricted = TRUE;
781 result.pathconf3res_u.resok.case_insensitive = FALSE;
782 result.pathconf3res_u.resok.case_preserving = TRUE;
788 nfsproc3_commit_3_svc(commit3args *argp, struct svc_req *rqstp)
790 static commit3res result;
792 result.status = NFS3ERR_NOTSUPP;