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;
124 void encode_pre_wcc(struct wcc_data *wcc, BlueSkyInode *inode)
126 wcc->before.present = TRUE;
127 wcc->before.pre_op_attr_u.attributes.size = inode->size;
128 wcc->before.pre_op_attr_u.attributes.mtime.seconds = inode->mtime / 1000000;
129 wcc->before.pre_op_attr_u.attributes.mtime.nseconds = (inode->mtime % 1000000) * 1000;
130 wcc->before.pre_op_attr_u.attributes.ctime.seconds = inode->ctime / 1000000;
131 wcc->before.pre_op_attr_u.attributes.ctime.nseconds = (inode->ctime % 1000000) * 1000;
135 nfsproc3_null_3_svc(void *argp, struct svc_req *rqstp)
141 nfsproc3_getattr_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
143 static getattr3res result;
145 BlueSkyInode *inode = lookup_fh(argp);
147 result.status = NFS3_OK;
148 encode_fattr3(&result.getattr3res_u.attributes, inode);
150 result.status = NFS3ERR_STALE;
157 nfsproc3_setattr_3_svc(setattr3args *argp, struct svc_req *rqstp)
159 static wccstat3 result;
161 result.wccstat3_u.wcc.before.present = FALSE;
162 result.wccstat3_u.wcc.after.present = FALSE;
163 BlueSkyInode *inode = lookup_fh(&argp->object);
165 result.status = NFS3ERR_STALE;
169 encode_pre_wcc(&result.wccstat3_u.wcc, inode);
170 if (argp->guard.check) {
171 if (inode->ctime != decode_nfstime3(&argp->guard.sattrguard3_u.ctime)) {
172 result.status = NFS3ERR_NOT_SYNC;
173 result.wccstat3_u.wcc.after.present = TRUE;
174 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes, inode);
179 set_attributes(inode, &argp->new_attributes);
181 result.wccstat3_u.wcc.after.present = TRUE;
182 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
184 result.status = NFS3_OK;
190 nfsproc3_lookup_3_svc(diropargs3 *argp, struct svc_req *rqstp)
192 static lookup3res result;
194 BlueSkyInode *dir = lookup_fh(&argp->dir);
196 result.status = NFS3ERR_STALE;
197 result.lookup3res_u.resfail.present = FALSE;
201 result.lookup3res_u.resfail.present = TRUE;
202 encode_fattr3(&result.lookup3res_u.resfail.post_op_attr_u.attributes, dir);
203 if (!validate_filename(argp->name)) {
204 if (strlen(argp->name) > 255)
205 result.status = NFS3ERR_NAMETOOLONG;
207 result.status = NFS3ERR_NOENT;
211 /* TODO: Special-case "." and "..". */
212 uint64_t inum = bluesky_directory_lookup(dir, argp->name);
214 result.status = NFS3ERR_NOENT;
217 BlueSkyInode *inode = bluesky_get_inode(fs, inum);
219 result.status = NFS3ERR_NOENT;
223 result.status = NFS3_OK;
224 result.lookup3res_u.resok.dir_attributes.present = TRUE;
225 encode_fattr3(&result.lookup3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
226 result.lookup3res_u.resok.obj_attributes.present = TRUE;
227 encode_fattr3(&result.lookup3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
229 static uint64_t fh_bytes;
230 fh_bytes = GUINT64_TO_BE(inum);
231 result.lookup3res_u.resok.object.data.data_len = 8;
232 result.lookup3res_u.resok.object.data.data_val = (char *)&fh_bytes;
238 nfsproc3_access_3_svc(access3args *argp, struct svc_req *rqstp)
240 static access3res result;
242 BlueSkyInode *inode = lookup_fh(&argp->object);
244 result.status = NFS3ERR_STALE;
245 result.access3res_u.resfail.present = FALSE;
249 result.status = NFS3_OK;
250 result.access3res_u.resok.obj_attributes.present = TRUE;
251 encode_fattr3(&result.access3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
252 result.access3res_u.resok.access = argp->access;
258 nfsproc3_readlink_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
260 static readlink3res result;
262 result.status = NFS3ERR_NOTSUPP;
268 nfsproc3_read_3_svc(read3args *argp, struct svc_req *rqstp)
270 static read3res result;
271 static char buf[32768];
273 BlueSkyInode *inode = lookup_fh(&argp->file);
275 result.status = NFS3ERR_STALE;
276 result.read3res_u.resfail.present = FALSE;
280 int count = argp->count;
281 if (argp->offset >= inode->size) {
283 result.read3res_u.resok.eof = TRUE;
285 count = MIN(count, inode->size - argp->offset);
286 if (argp->offset + count == inode->size)
287 result.read3res_u.resok.eof = TRUE;
289 result.read3res_u.resok.eof = FALSE;
291 bluesky_file_read(inode, argp->offset, buf, count);
294 result.status = NFS3_OK;
295 result.read3res_u.resok.file_attributes.present = TRUE;
296 encode_fattr3(&result.read3res_u.resok.file_attributes.post_op_attr_u.attributes, inode);
297 result.read3res_u.resok.count = count;
298 result.read3res_u.resok.data.data_val = buf;
299 result.read3res_u.resok.data.data_len = count;
305 nfsproc3_write_3_svc(write3args *argp, struct svc_req *rqstp)
307 static write3res result;
309 memset(&wcc, 0, sizeof(wcc));
311 BlueSkyInode *inode = lookup_fh(&argp->file);
313 result.status = NFS3ERR_STALE;
314 result.write3res_u.resfail = wcc;
318 encode_pre_wcc(&wcc, inode);
319 if (inode->type != BLUESKY_REGULAR) {
320 result.status = NFS3ERR_INVAL;
321 result.write3res_u.resfail = wcc;
325 uint64_t lastbyte = argp->offset + argp->count;
326 if (lastbyte > inode->size) {
327 bluesky_file_truncate(inode, lastbyte);
330 if (argp->data.data_len < argp->count) {
333 bluesky_file_write(inode, argp->offset,
334 argp->data.data_val, argp->count);
337 encode_fattr3(&wcc.after.post_op_attr_u.attributes, inode);
338 result.write3res_u.resok.file_wcc = wcc;
339 result.write3res_u.resok.count = argp->count;
340 result.write3res_u.resok.committed = FILE_SYNC;
346 nfsproc3_create_3_svc(create3args *argp, struct svc_req *rqstp)
348 static diropres3 result;
350 memset(&wcc, 0, sizeof(wcc));
352 BlueSkyInode *dir = lookup_fh(&argp->where.dir);
354 result.status = NFS3ERR_STALE;
355 result.diropres3_u.resfail = wcc;
359 encode_pre_wcc(&wcc, dir);
360 if (dir->type != BLUESKY_DIRECTORY) {
361 result.status = NFS3ERR_NOTDIR;
362 result.diropres3_u.resfail = wcc;
366 if (!validate_filename(argp->where.name)
367 || strcmp(argp->where.name, ".") == 0
368 || strcmp(argp->where.name, "..") == 0)
370 result.status = NFS3ERR_EXIST;
371 result.diropres3_u.resfail = wcc;
376 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_REGULAR);
379 int64_t time = bluesky_get_current_time();
380 printf("time: %"PRIi64"\n", time);
385 bluesky_insert_inode(fs, file);
386 bluesky_directory_insert(dir, argp->where.name, file->inum);
388 dir->mtime = dir->ctime = bluesky_get_current_time();
391 wcc.after.present = TRUE;
392 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
393 result.diropres3_u.resok.obj_attributes.present = TRUE;
394 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
395 result.diropres3_u.resok.dir_wcc = wcc;
397 static uint64_t fh_bytes;
398 fh_bytes = GUINT64_TO_BE(file->inum);
399 result.diropres3_u.resok.obj.present = TRUE;
400 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
401 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
407 nfsproc3_mkdir_3_svc(mkdir3args *argp, struct svc_req *rqstp)
409 static diropres3 result;
411 memset(&wcc, 0, sizeof(wcc));
413 BlueSkyInode *dir = lookup_fh(&argp->where.dir);
415 result.status = NFS3ERR_STALE;
416 result.diropres3_u.resfail = wcc;
420 encode_pre_wcc(&wcc, dir);
421 if (dir->type != BLUESKY_DIRECTORY) {
422 result.status = NFS3ERR_NOTDIR;
423 result.diropres3_u.resfail = wcc;
427 if (!validate_filename(argp->where.name)
428 || strcmp(argp->where.name, ".") == 0
429 || strcmp(argp->where.name, "..") == 0)
431 result.status = NFS3ERR_EXIST;
432 result.diropres3_u.resfail = wcc;
437 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_DIRECTORY);
440 int64_t time = bluesky_get_current_time();
445 bluesky_insert_inode(fs, file);
446 bluesky_directory_insert(dir, argp->where.name, file->inum);
447 set_attributes(file, &argp->attributes);
449 dir->mtime = dir->ctime = bluesky_get_current_time();
452 wcc.after.present = TRUE;
453 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
454 result.diropres3_u.resok.obj_attributes.present = TRUE;
455 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
456 result.diropres3_u.resok.dir_wcc = wcc;
458 static uint64_t fh_bytes;
459 fh_bytes = GUINT64_TO_BE(file->inum);
460 result.diropres3_u.resok.obj.present = TRUE;
461 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
462 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
468 nfsproc3_symlink_3_svc(symlink3args *argp, struct svc_req *rqstp)
470 static diropres3 result;
472 result.status = NFS3ERR_NOTSUPP;
478 nfsproc3_mknod_3_svc(mknod3args *argp, struct svc_req *rqstp)
480 static diropres3 result;
482 result.status = NFS3ERR_NOTSUPP;
488 nfsproc3_remove_3_svc(diropargs3 *argp, struct svc_req *rqstp)
490 static wccstat3 result;
492 result.wccstat3_u.wcc.before.present = FALSE;
493 result.wccstat3_u.wcc.after.present = FALSE;
495 BlueSkyInode *dir = lookup_fh(&argp->dir);
497 result.status = NFS3ERR_STALE;
501 encode_pre_wcc(&result.wccstat3_u.wcc, dir);
503 if (!validate_filename(argp->name)
504 || strcmp(argp->name, ".") == 0
505 || strcmp(argp->name, "..") == 0)
507 result.status = NFS3ERR_NOENT;
511 bluesky_directory_remove(dir, argp->name);
513 result.status = NFS3_OK;
514 result.wccstat3_u.wcc.after.present = TRUE;
515 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
522 nfsproc3_rmdir_3_svc(diropargs3 *argp, struct svc_req *rqstp)
524 static wccstat3 result;
526 result.status = NFS3ERR_NOTSUPP;
532 nfsproc3_rename_3_svc(rename3args *argp, struct svc_req *rqstp)
534 static rename3res result;
536 result.status = NFS3ERR_NOTSUPP;
542 nfsproc3_link_3_svc(link3args *argp, struct svc_req *rqstp)
544 static link3res result;
546 result.status = NFS3ERR_NOTSUPP;
551 gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
555 nfsproc3_readdir_3_svc(readdir3args *argp, struct svc_req *rqstp)
557 static readdir3res result;
559 BlueSkyInode *dir = lookup_fh(&argp->dir);
561 result.status = NFS3ERR_STALE;
562 result.readdir3res_u.resfail.present = FALSE;
566 result.status = NFS3_OK;
567 result.readdir3res_u.resok.dir_attributes.present = TRUE;
568 encode_fattr3(&result.readdir3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
569 memset(result.readdir3res_u.resok.cookieverf, 0,
570 sizeof(result.readdir3res_u.resok.cookieverf));
572 #define MAX_READDIR_DIRENTS 4
573 static entry3 dirents[MAX_READDIR_DIRENTS];
576 BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
577 GSequenceIter *i = g_sequence_search(dir->dirents, &start,
578 bluesky_dirent_compare, NULL);
580 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
581 BlueSkyDirent *d = g_sequence_get(i);
582 dirents[count].fileid = d->inum;
583 dirents[count].name = d->name;
584 dirents[count].cookie = d->cookie;
585 dirents[count].nextentry = NULL;
587 dirents[count - 1].nextentry = &dirents[count];
588 i = g_sequence_iter_next(i);
593 result.readdir3res_u.resok.reply.entries = &dirents[0];
595 result.readdir3res_u.resok.reply.entries = NULL;
596 result.readdir3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
602 nfsproc3_readdirplus_3_svc(readdirplus3args *argp, struct svc_req *rqstp)
604 static readdirplus3res result;
606 result.status = NFS3ERR_NOTSUPP;
612 nfsproc3_fsstat_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
614 static fsstat3res result;
616 result.status = NFS3ERR_NOTSUPP;
622 nfsproc3_fsinfo_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
624 static fsinfo3res result;
626 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
627 result.status = NFS3_OK;
628 result.fsinfo3res_u.resok.obj_attributes.present = TRUE;
629 encode_fattr3(&result.fsinfo3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
630 result.fsinfo3res_u.resok.rtmax = 32768;
631 result.fsinfo3res_u.resok.rtpref = 32768;
632 result.fsinfo3res_u.resok.rtmult = 4096;
633 result.fsinfo3res_u.resok.wtmax = 32768;
634 result.fsinfo3res_u.resok.wtpref = 32768;
635 result.fsinfo3res_u.resok.wtmult = 4096;
636 result.fsinfo3res_u.resok.dtpref = 4096;
637 result.fsinfo3res_u.resok.maxfilesize = 0x7fffffffffffffffULL;
638 result.fsinfo3res_u.resok.time_delta.seconds = 0;
639 result.fsinfo3res_u.resok.time_delta.nseconds = 1000;
640 result.fsinfo3res_u.resok.properties
641 = FSF3_LINK | FSF3_SYMLINK | FSF3_HOMOGENEOUS | FSF3_CANSETTIME;
647 nfsproc3_pathconf_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
649 static pathconf3res result;
651 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
652 result.status = NFS3_OK;
653 result.pathconf3res_u.resok.obj_attributes.present = TRUE;
654 encode_fattr3(&result.pathconf3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
655 result.pathconf3res_u.resok.linkmax = 0xffffffff;
656 result.pathconf3res_u.resok.name_max = 255;
657 result.pathconf3res_u.resok.no_trunc = TRUE;
658 result.pathconf3res_u.resok.chown_restricted = TRUE;
659 result.pathconf3res_u.resok.case_insensitive = FALSE;
660 result.pathconf3res_u.resok.case_preserving = TRUE;
666 nfsproc3_commit_3_svc(commit3args *argp, struct svc_req *rqstp)
668 static commit3res result;
670 result.status = NFS3ERR_NOTSUPP;