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 te 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;
134 nfsproc3_null_3_svc(void *argp, struct svc_req *rqstp)
140 nfsproc3_getattr_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
142 static getattr3res result;
144 BlueSkyInode *inode = lookup_fh(argp);
146 result.status = NFS3_OK;
147 encode_fattr3(&result.getattr3res_u.attributes, inode);
149 result.status = NFS3ERR_STALE;
156 nfsproc3_setattr_3_svc(setattr3args *argp, struct svc_req *rqstp)
158 static wccstat3 result;
160 result.wccstat3_u.wcc.before.present = FALSE;
161 result.wccstat3_u.wcc.after.present = FALSE;
162 BlueSkyInode *inode = lookup_fh(&argp->object);
164 result.status = NFS3ERR_STALE;
168 encode_pre_wcc(&result.wccstat3_u.wcc, inode);
169 if (argp->guard.check) {
170 if (inode->ctime != decode_nfstime3(&argp->guard.sattrguard3_u.ctime)) {
171 result.status = NFS3ERR_NOT_SYNC;
172 result.wccstat3_u.wcc.after.present = TRUE;
173 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes, inode);
178 set_attributes(inode, &argp->new_attributes);
180 result.wccstat3_u.wcc.after.present = TRUE;
181 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
183 result.status = NFS3_OK;
189 nfsproc3_lookup_3_svc(diropargs3 *argp, struct svc_req *rqstp)
191 static lookup3res result;
193 BlueSkyInode *dir = lookup_fh(&argp->dir);
195 result.status = NFS3ERR_STALE;
196 result.lookup3res_u.resfail.present = FALSE;
200 result.lookup3res_u.resfail.present = TRUE;
201 encode_fattr3(&result.lookup3res_u.resfail.post_op_attr_u.attributes, dir);
202 if (!validate_filename(argp->name)) {
203 if (strlen(argp->name) > 255)
204 result.status = NFS3ERR_NAMETOOLONG;
206 result.status = NFS3ERR_NOENT;
210 /* TODO: Special-case "." and "..". */
211 uint64_t inum = bluesky_directory_lookup(dir, argp->name);
213 result.status = NFS3ERR_NOENT;
216 BlueSkyInode *inode = bluesky_get_inode(fs, inum);
218 result.status = NFS3ERR_NOENT;
222 result.status = NFS3_OK;
223 result.lookup3res_u.resok.dir_attributes.present = TRUE;
224 encode_fattr3(&result.lookup3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
225 result.lookup3res_u.resok.obj_attributes.present = TRUE;
226 encode_fattr3(&result.lookup3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
228 static uint64_t fh_bytes;
229 fh_bytes = GUINT64_TO_BE(inum);
230 result.lookup3res_u.resok.object.data.data_len = 8;
231 result.lookup3res_u.resok.object.data.data_val = (char *)&fh_bytes;
237 nfsproc3_access_3_svc(access3args *argp, struct svc_req *rqstp)
239 static access3res result;
241 BlueSkyInode *inode = lookup_fh(&argp->object);
243 result.status = NFS3ERR_STALE;
244 result.access3res_u.resfail.present = FALSE;
248 result.status = NFS3_OK;
249 result.access3res_u.resok.obj_attributes.present = TRUE;
250 encode_fattr3(&result.access3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
251 result.access3res_u.resok.access = argp->access;
257 nfsproc3_readlink_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
259 static readlink3res result;
261 result.status = NFS3ERR_NOTSUPP;
267 nfsproc3_read_3_svc(read3args *argp, struct svc_req *rqstp)
269 static read3res result;
270 static char buf[32768];
272 BlueSkyInode *inode = lookup_fh(&argp->file);
274 result.status = NFS3ERR_STALE;
275 result.read3res_u.resfail.present = FALSE;
279 int count = argp->count;
280 if (argp->offset >= inode->size) {
282 result.read3res_u.resok.eof = TRUE;
284 count = MIN(count, inode->size - argp->offset);
285 if (argp->offset + count == inode->size)
286 result.read3res_u.resok.eof = TRUE;
288 result.read3res_u.resok.eof = FALSE;
290 bluesky_file_read(inode, argp->offset, buf, count);
293 result.status = NFS3_OK;
294 result.read3res_u.resok.file_attributes.present = TRUE;
295 encode_fattr3(&result.read3res_u.resok.file_attributes.post_op_attr_u.attributes, inode);
296 result.read3res_u.resok.count = count;
297 result.read3res_u.resok.data.data_val = buf;
298 result.read3res_u.resok.data.data_len = count;
304 nfsproc3_write_3_svc(write3args *argp, struct svc_req *rqstp)
306 static write3res result;
308 memset(&wcc, 0, sizeof(wcc));
310 BlueSkyInode *inode = lookup_fh(&argp->file);
312 result.status = NFS3ERR_STALE;
313 result.write3res_u.resfail = wcc;
317 encode_pre_wcc(&wcc, inode);
318 if (inode->type != BLUESKY_REGULAR) {
319 result.status = NFS3ERR_INVAL;
320 result.write3res_u.resfail = wcc;
324 uint64_t lastbyte = argp->offset + argp->count;
325 if (lastbyte > inode->size) {
326 bluesky_file_truncate(inode, lastbyte);
329 if (argp->data.data_len < argp->count) {
332 bluesky_file_write(inode, argp->offset,
333 argp->data.data_val, argp->count);
336 encode_fattr3(&wcc.after.post_op_attr_u.attributes, inode);
337 result.write3res_u.resok.file_wcc = wcc;
338 result.write3res_u.resok.count = argp->count;
339 result.write3res_u.resok.committed = FILE_SYNC;
345 nfsproc3_create_3_svc(create3args *argp, struct svc_req *rqstp)
347 static diropres3 result;
349 memset(&wcc, 0, sizeof(wcc));
351 BlueSkyInode *dir = lookup_fh(&argp->where.dir);
353 result.status = NFS3ERR_STALE;
354 result.diropres3_u.resfail = wcc;
358 encode_pre_wcc(&wcc, dir);
359 if (dir->type != BLUESKY_DIRECTORY) {
360 result.status = NFS3ERR_NOTDIR;
361 result.diropres3_u.resfail = wcc;
365 if (!validate_filename(argp->where.name)
366 || strcmp(argp->where.name, ".") == 0
367 || strcmp(argp->where.name, "..") == 0)
369 result.status = NFS3ERR_EXIST;
370 result.diropres3_u.resfail = wcc;
375 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_REGULAR);
378 int64_t time = bluesky_get_current_time();
379 printf("time: %lld\n", time);
384 bluesky_insert_inode(fs, file);
385 bluesky_directory_insert(dir, argp->where.name, file->inum);
387 dir->mtime = dir->ctime = bluesky_get_current_time();
390 wcc.after.present = TRUE;
391 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
392 result.diropres3_u.resok.obj_attributes.present = TRUE;
393 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
394 result.diropres3_u.resok.dir_wcc = wcc;
396 static uint64_t fh_bytes;
397 fh_bytes = GUINT64_TO_BE(file->inum);
398 result.diropres3_u.resok.obj.present = TRUE;
399 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
400 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
406 nfsproc3_mkdir_3_svc(mkdir3args *argp, struct svc_req *rqstp)
408 static diropres3 result;
410 memset(&wcc, 0, sizeof(wcc));
412 BlueSkyInode *dir = lookup_fh(&argp->where.dir);
414 result.status = NFS3ERR_STALE;
415 result.diropres3_u.resfail = wcc;
419 encode_pre_wcc(&wcc, dir);
420 if (dir->type != BLUESKY_DIRECTORY) {
421 result.status = NFS3ERR_NOTDIR;
422 result.diropres3_u.resfail = wcc;
426 if (!validate_filename(argp->where.name)
427 || strcmp(argp->where.name, ".") == 0
428 || strcmp(argp->where.name, "..") == 0)
430 result.status = NFS3ERR_EXIST;
431 result.diropres3_u.resfail = wcc;
436 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_DIRECTORY);
439 int64_t time = bluesky_get_current_time();
444 bluesky_insert_inode(fs, file);
445 bluesky_directory_insert(dir, argp->where.name, file->inum);
446 set_attributes(file, &argp->attributes);
448 dir->mtime = dir->ctime = bluesky_get_current_time();
451 wcc.after.present = TRUE;
452 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
453 result.diropres3_u.resok.obj_attributes.present = TRUE;
454 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
455 result.diropres3_u.resok.dir_wcc = wcc;
457 static uint64_t fh_bytes;
458 fh_bytes = GUINT64_TO_BE(file->inum);
459 result.diropres3_u.resok.obj.present = TRUE;
460 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
461 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
467 nfsproc3_symlink_3_svc(symlink3args *argp, struct svc_req *rqstp)
469 static diropres3 result;
471 result.status = NFS3ERR_NOTSUPP;
477 nfsproc3_mknod_3_svc(mknod3args *argp, struct svc_req *rqstp)
479 static diropres3 result;
481 result.status = NFS3ERR_NOTSUPP;
487 nfsproc3_remove_3_svc(diropargs3 *argp, struct svc_req *rqstp)
489 static wccstat3 result;
491 result.wccstat3_u.wcc.before.present = FALSE;
492 result.wccstat3_u.wcc.after.present = FALSE;
494 BlueSkyInode *dir = lookup_fh(&argp->dir);
496 result.status = NFS3ERR_STALE;
500 encode_pre_wcc(&result.wccstat3_u.wcc, dir);
502 if (!validate_filename(argp->name)
503 || strcmp(argp->name, ".") == 0
504 || strcmp(argp->name, "..") == 0)
506 result.status = NFS3ERR_NOENT;
510 bluesky_directory_remove(dir, argp->name);
512 result.status = NFS3_OK;
513 result.wccstat3_u.wcc.after.present = TRUE;
514 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
521 nfsproc3_rmdir_3_svc(diropargs3 *argp, struct svc_req *rqstp)
523 static wccstat3 result;
525 result.status = NFS3ERR_NOTSUPP;
531 nfsproc3_rename_3_svc(rename3args *argp, struct svc_req *rqstp)
533 static rename3res result;
535 result.status = NFS3ERR_NOTSUPP;
541 nfsproc3_link_3_svc(link3args *argp, struct svc_req *rqstp)
543 static link3res result;
545 result.status = NFS3ERR_NOTSUPP;
550 gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
554 nfsproc3_readdir_3_svc(readdir3args *argp, struct svc_req *rqstp)
556 static readdir3res result;
558 BlueSkyInode *dir = lookup_fh(&argp->dir);
560 result.status = NFS3ERR_STALE;
561 result.readdir3res_u.resfail.present = FALSE;
565 result.status = NFS3_OK;
566 result.readdir3res_u.resok.dir_attributes.present = TRUE;
567 encode_fattr3(&result.readdir3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
568 memset(result.readdir3res_u.resok.cookieverf, 0,
569 sizeof(result.readdir3res_u.resok.cookieverf));
571 #define MAX_READDIR_DIRENTS 4
572 static entry3 dirents[MAX_READDIR_DIRENTS];
575 BlueSkyDirent start = {NULL, argp->cookie, 0};
576 GSequenceIter *i = g_sequence_search(dir->dirents, &start,
577 bluesky_dirent_compare, NULL);
579 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
580 BlueSkyDirent *d = g_sequence_get(i);
581 dirents[count].fileid = d->inum;
582 dirents[count].name = d->name;
583 dirents[count].cookie = d->cookie;
584 dirents[count].nextentry = NULL;
586 dirents[count - 1].nextentry = &dirents[count];
587 i = g_sequence_iter_next(i);
592 result.readdir3res_u.resok.reply.entries = &dirents[0];
594 result.readdir3res_u.resok.reply.entries = NULL;
595 result.readdir3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
601 nfsproc3_readdirplus_3_svc(readdirplus3args *argp, struct svc_req *rqstp)
603 static readdirplus3res result;
605 result.status = NFS3ERR_NOTSUPP;
611 nfsproc3_fsstat_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
613 static fsstat3res result;
615 result.status = NFS3ERR_NOTSUPP;
621 nfsproc3_fsinfo_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
623 static fsinfo3res result;
625 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
626 result.status = NFS3_OK;
627 result.fsinfo3res_u.resok.obj_attributes.present = TRUE;
628 encode_fattr3(&result.fsinfo3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
629 result.fsinfo3res_u.resok.rtmax = 32768;
630 result.fsinfo3res_u.resok.rtpref = 32768;
631 result.fsinfo3res_u.resok.rtmult = 4096;
632 result.fsinfo3res_u.resok.wtmax = 32768;
633 result.fsinfo3res_u.resok.wtpref = 32768;
634 result.fsinfo3res_u.resok.wtmult = 4096;
635 result.fsinfo3res_u.resok.dtpref = 4096;
636 result.fsinfo3res_u.resok.maxfilesize = 0x7fffffffffffffffULL;
637 result.fsinfo3res_u.resok.time_delta.seconds = 0;
638 result.fsinfo3res_u.resok.time_delta.nseconds = 1000;
639 result.fsinfo3res_u.resok.properties
640 = FSF3_LINK | FSF3_SYMLINK | FSF3_HOMOGENEOUS | FSF3_CANSETTIME;
646 nfsproc3_pathconf_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
648 static pathconf3res result;
650 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
651 result.status = NFS3_OK;
652 result.pathconf3res_u.resok.obj_attributes.present = TRUE;
653 encode_fattr3(&result.pathconf3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
654 result.pathconf3res_u.resok.linkmax = 0xffffffff;
655 result.pathconf3res_u.resok.name_max = 255;
656 result.pathconf3res_u.resok.no_trunc = TRUE;
657 result.pathconf3res_u.resok.chown_restricted = TRUE;
658 result.pathconf3res_u.resok.case_insensitive = FALSE;
659 result.pathconf3res_u.resok.case_preserving = TRUE;
665 nfsproc3_commit_3_svc(commit3args *argp, struct svc_req *rqstp)
667 static commit3res result;
669 result.status = NFS3ERR_NOTSUPP;