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 /* Copy inode attributes into NFS response. The BlueSkyInode should be locked
47 void encode_fattr3(struct fattr3 *result, BlueSkyInode *inode)
49 result->type = inode->type;
50 result->mode = inode->mode;
51 result->nlink = inode->nlink;
52 result->uid = inode->uid;
53 result->gid = inode->gid;
54 result->size = inode->size;
56 result->rdev.major = 0;
57 result->rdev.minor = 0;
59 result->fileid = inode->inum;
60 result->atime.seconds = inode->atime / 1000000;
61 result->atime.nseconds = (inode->atime % 1000000) * 1000;
62 result->mtime.seconds = inode->mtime / 1000000;
63 result->mtime.nseconds = (inode->mtime % 1000000) * 1000;
64 result->ctime.seconds = inode->ctime / 1000000;
65 result->ctime.nseconds = (inode->ctime % 1000000) * 1000;
68 void encode_pre_wcc(struct wcc_data *wcc, BlueSkyInode *inode)
70 wcc->before.present = TRUE;
71 wcc->before.pre_op_attr_u.attributes.size = inode->size;
72 wcc->before.pre_op_attr_u.attributes.mtime.seconds = inode->mtime / 1000000;
73 wcc->before.pre_op_attr_u.attributes.mtime.nseconds = (inode->mtime % 1000000) * 1000;
74 wcc->before.pre_op_attr_u.attributes.ctime.seconds = inode->ctime / 1000000;
75 wcc->before.pre_op_attr_u.attributes.ctime.nseconds = (inode->ctime % 1000000) * 1000;
78 nfsproc3_null_3_svc(void *argp, struct svc_req *rqstp)
84 nfsproc3_getattr_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
86 static getattr3res result;
88 BlueSkyInode *inode = lookup_fh(argp);
90 result.status = NFS3_OK;
91 encode_fattr3(&result.getattr3res_u.attributes, inode);
93 result.status = NFS3ERR_STALE;
100 nfsproc3_setattr_3_svc(setattr3args *argp, struct svc_req *rqstp)
102 static wccstat3 result;
104 result.status = NFS3ERR_NOTSUPP;
110 nfsproc3_lookup_3_svc(diropargs3 *argp, struct svc_req *rqstp)
112 static lookup3res result;
114 BlueSkyInode *dir = lookup_fh(&argp->dir);
116 result.status = NFS3ERR_STALE;
117 result.lookup3res_u.resfail.present = FALSE;
121 result.lookup3res_u.resfail.present = TRUE;
122 encode_fattr3(&result.lookup3res_u.resfail.post_op_attr_u.attributes, dir);
123 if (!validate_filename(argp->name)) {
124 if (strlen(argp->name) > 255)
125 result.status = NFS3ERR_NAMETOOLONG;
127 result.status = NFS3ERR_NOENT;
131 /* TODO: Special-case "." and "..". */
132 uint64_t inum = bluesky_directory_lookup(dir, argp->name);
134 result.status = NFS3ERR_NOENT;
137 BlueSkyInode *inode = bluesky_get_inode(fs, inum);
139 result.status = NFS3ERR_NOENT;
143 result.status = NFS3_OK;
144 result.lookup3res_u.resok.dir_attributes.present = TRUE;
145 encode_fattr3(&result.lookup3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
146 result.lookup3res_u.resok.obj_attributes.present = TRUE;
147 encode_fattr3(&result.lookup3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
149 static uint64_t fh_bytes;
150 fh_bytes = GUINT64_TO_BE(inum);
151 result.lookup3res_u.resok.object.data.data_len = 8;
152 result.lookup3res_u.resok.object.data.data_val = (char *)&fh_bytes;
158 nfsproc3_access_3_svc(access3args *argp, struct svc_req *rqstp)
160 static access3res result;
162 BlueSkyInode *inode = lookup_fh(&argp->object);
164 result.status = NFS3ERR_STALE;
165 result.access3res_u.resfail.present = FALSE;
169 result.status = NFS3_OK;
170 result.access3res_u.resok.obj_attributes.present = TRUE;
171 encode_fattr3(&result.access3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
172 result.access3res_u.resok.access = argp->access;
178 nfsproc3_readlink_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
180 static readlink3res result;
182 result.status = NFS3ERR_NOTSUPP;
188 nfsproc3_read_3_svc(read3args *argp, struct svc_req *rqstp)
190 static read3res result;
191 static char buf[32768];
193 BlueSkyInode *inode = lookup_fh(&argp->file);
195 result.status = NFS3ERR_STALE;
196 result.read3res_u.resfail.present = FALSE;
200 int count = argp->count;
201 if (argp->offset >= inode->size) {
203 result.read3res_u.resok.eof = TRUE;
205 count = MIN(count, inode->size - argp->offset);
206 if (argp->offset + count == inode->size)
207 result.read3res_u.resok.eof = TRUE;
209 result.read3res_u.resok.eof = FALSE;
211 bluesky_file_read(inode, argp->offset, buf, count);
214 result.status = NFS3_OK;
215 result.read3res_u.resok.file_attributes.present = TRUE;
216 encode_fattr3(&result.read3res_u.resok.file_attributes.post_op_attr_u.attributes, inode);
217 result.read3res_u.resok.count = count;
218 result.read3res_u.resok.data.data_val = buf;
219 result.read3res_u.resok.data.data_len = count;
225 nfsproc3_write_3_svc(write3args *argp, struct svc_req *rqstp)
227 static write3res result;
229 memset(&wcc, 0, sizeof(wcc));
231 BlueSkyInode *inode = lookup_fh(&argp->file);
233 result.status = NFS3ERR_STALE;
234 result.write3res_u.resfail = wcc;
238 encode_pre_wcc(&wcc, inode);
239 if (inode->type != BLUESKY_REGULAR) {
240 result.status = NFS3ERR_INVAL;
241 result.write3res_u.resfail = wcc;
245 uint64_t lastbyte = argp->offset + argp->count;
246 if (lastbyte > inode->size) {
247 bluesky_file_truncate(inode, lastbyte);
250 if (argp->data.data_len < argp->count) {
253 bluesky_file_write(inode, argp->offset,
254 argp->data.data_val, argp->count);
257 encode_fattr3(&wcc.after.post_op_attr_u.attributes, inode);
258 result.write3res_u.resok.file_wcc = wcc;
259 result.write3res_u.resok.count = argp->count;
260 result.write3res_u.resok.committed = FILE_SYNC;
266 nfsproc3_create_3_svc(create3args *argp, struct svc_req *rqstp)
268 static diropres3 result;
270 memset(&wcc, 0, sizeof(wcc));
272 BlueSkyInode *dir = lookup_fh(&argp->where.dir);
274 result.status = NFS3ERR_STALE;
275 result.diropres3_u.resfail = wcc;
279 encode_pre_wcc(&wcc, dir);
280 if (dir->type != BLUESKY_DIRECTORY) {
281 result.status = NFS3ERR_NOTDIR;
282 result.diropres3_u.resfail = wcc;
286 if (!validate_filename(argp->where.name)
287 || strcmp(argp->where.name, ".") == 0
288 || strcmp(argp->where.name, "..") == 0)
290 result.status = NFS3ERR_EXIST;
291 result.diropres3_u.resfail = wcc;
296 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_REGULAR);
299 int64_t time = bluesky_get_current_time();
300 printf("time: %lld\n", time);
304 bluesky_insert_inode(fs, file);
305 bluesky_directory_insert(dir, argp->where.name, file->inum);
307 wcc.after.present = TRUE;
308 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
309 result.diropres3_u.resok.obj_attributes.present = TRUE;
310 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
311 result.diropres3_u.resok.dir_wcc = wcc;
313 static uint64_t fh_bytes;
314 fh_bytes = GUINT64_TO_BE(file->inum);
315 result.diropres3_u.resok.obj.present = TRUE;
316 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
317 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
323 nfsproc3_mkdir_3_svc(mkdir3args *argp, struct svc_req *rqstp)
325 static diropres3 result;
327 result.status = NFS3ERR_NOTSUPP;
333 nfsproc3_symlink_3_svc(symlink3args *argp, struct svc_req *rqstp)
335 static diropres3 result;
337 result.status = NFS3ERR_NOTSUPP;
343 nfsproc3_mknod_3_svc(mknod3args *argp, struct svc_req *rqstp)
345 static diropres3 result;
347 result.status = NFS3ERR_NOTSUPP;
353 nfsproc3_remove_3_svc(diropargs3 *argp, struct svc_req *rqstp)
355 static wccstat3 result;
357 result.status = NFS3ERR_NOTSUPP;
363 nfsproc3_rmdir_3_svc(diropargs3 *argp, struct svc_req *rqstp)
365 static wccstat3 result;
367 result.status = NFS3ERR_NOTSUPP;
373 nfsproc3_rename_3_svc(rename3args *argp, struct svc_req *rqstp)
375 static rename3res result;
377 result.status = NFS3ERR_NOTSUPP;
383 nfsproc3_link_3_svc(link3args *argp, struct svc_req *rqstp)
385 static link3res result;
387 result.status = NFS3ERR_NOTSUPP;
392 gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
396 nfsproc3_readdir_3_svc(readdir3args *argp, struct svc_req *rqstp)
398 static readdir3res result;
400 BlueSkyInode *dir = lookup_fh(&argp->dir);
402 result.status = NFS3ERR_STALE;
403 result.readdir3res_u.resfail.present = FALSE;
407 result.status = NFS3_OK;
408 result.readdir3res_u.resok.dir_attributes.present = TRUE;
409 encode_fattr3(&result.readdir3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
410 memset(result.readdir3res_u.resok.cookieverf, 0,
411 sizeof(result.readdir3res_u.resok.cookieverf));
413 #define MAX_READDIR_DIRENTS 4
414 static entry3 dirents[MAX_READDIR_DIRENTS];
417 BlueSkyDirent start = {NULL, argp->cookie, 0};
418 GSequenceIter *i = g_sequence_search(dir->dirents, &start,
419 bluesky_dirent_compare, NULL);
421 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
422 BlueSkyDirent *d = g_sequence_get(i);
423 dirents[count].fileid = d->inum;
424 dirents[count].name = d->name;
425 dirents[count].cookie = d->cookie;
426 dirents[count].nextentry = NULL;
428 dirents[count - 1].nextentry = &dirents[count];
429 i = g_sequence_iter_next(i);
434 result.readdir3res_u.resok.reply.entries = &dirents[0];
436 result.readdir3res_u.resok.reply.entries = NULL;
437 result.readdir3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
443 nfsproc3_readdirplus_3_svc(readdirplus3args *argp, struct svc_req *rqstp)
445 static readdirplus3res result;
447 result.status = NFS3ERR_NOTSUPP;
453 nfsproc3_fsstat_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
455 static fsstat3res result;
457 result.status = NFS3ERR_NOTSUPP;
463 nfsproc3_fsinfo_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
465 static fsinfo3res result;
467 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
468 result.status = NFS3_OK;
469 result.fsinfo3res_u.resok.obj_attributes.present = TRUE;
470 encode_fattr3(&result.fsinfo3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
471 result.fsinfo3res_u.resok.rtmax = 32768;
472 result.fsinfo3res_u.resok.rtpref = 32768;
473 result.fsinfo3res_u.resok.rtmult = 4096;
474 result.fsinfo3res_u.resok.wtmax = 32768;
475 result.fsinfo3res_u.resok.wtpref = 32768;
476 result.fsinfo3res_u.resok.wtmult = 4096;
477 result.fsinfo3res_u.resok.dtpref = 4096;
478 result.fsinfo3res_u.resok.maxfilesize = 0x7fffffffffffffffULL;
479 result.fsinfo3res_u.resok.time_delta.seconds = 0;
480 result.fsinfo3res_u.resok.time_delta.nseconds = 1000;
481 result.fsinfo3res_u.resok.properties
482 = FSF3_LINK | FSF3_SYMLINK | FSF3_HOMOGENEOUS | FSF3_CANSETTIME;
488 nfsproc3_pathconf_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
490 static pathconf3res result;
492 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
493 result.status = NFS3_OK;
494 result.pathconf3res_u.resok.obj_attributes.present = TRUE;
495 encode_fattr3(&result.pathconf3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
496 result.pathconf3res_u.resok.linkmax = 0xffffffff;
497 result.pathconf3res_u.resok.name_max = 255;
498 result.pathconf3res_u.resok.no_trunc = TRUE;
499 result.pathconf3res_u.resok.chown_restricted = TRUE;
500 result.pathconf3res_u.resok.case_insensitive = FALSE;
501 result.pathconf3res_u.resok.case_preserving = TRUE;
507 nfsproc3_commit_3_svc(commit3args *argp, struct svc_req *rqstp)
509 static commit3res result;
511 result.status = NFS3ERR_NOTSUPP;