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.lookup3res_u.resok.dir_attributes.present = TRUE;
144 encode_fattr3(&result.lookup3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
145 result.lookup3res_u.resok.obj_attributes.present = TRUE;
146 encode_fattr3(&result.lookup3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
148 static uint64_t fh_bytes;
149 fh_bytes = GUINT64_TO_BE(inum);
150 result.lookup3res_u.resok.object.data.data_len = 8;
151 result.lookup3res_u.resok.object.data.data_val = (char *)&fh_bytes;
157 nfsproc3_access_3_svc(access3args *argp, struct svc_req *rqstp)
159 static access3res result;
161 BlueSkyInode *inode = lookup_fh(&argp->object);
163 result.status = NFS3ERR_STALE;
164 result.access3res_u.resfail.present = FALSE;
168 result.status = NFS3_OK;
169 result.access3res_u.resok.obj_attributes.present = TRUE;
170 encode_fattr3(&result.access3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
171 result.access3res_u.resok.access = argp->access;
177 nfsproc3_readlink_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
179 static readlink3res result;
181 result.status = NFS3ERR_NOTSUPP;
187 nfsproc3_read_3_svc(read3args *argp, struct svc_req *rqstp)
189 static read3res result;
191 result.status = NFS3ERR_NOTSUPP;
197 nfsproc3_write_3_svc(write3args *argp, struct svc_req *rqstp)
199 static write3res result;
201 result.status = NFS3ERR_NOTSUPP;
207 nfsproc3_create_3_svc(create3args *argp, struct svc_req *rqstp)
209 static diropres3 result;
211 memset(&wcc, 0, sizeof(wcc));
213 BlueSkyInode *dir = lookup_fh(&argp->where.dir);
215 result.status = NFS3ERR_STALE;
216 result.diropres3_u.resfail = wcc;
220 encode_pre_wcc(&wcc, dir);
221 if (dir->type != BLUESKY_DIRECTORY) {
222 result.status = NFS3ERR_NOTDIR;
223 result.diropres3_u.resfail = wcc;
227 if (!validate_filename(argp->where.name)
228 || strcmp(argp->where.name, ".") == 0
229 || strcmp(argp->where.name, "..") == 0)
231 result.status = NFS3ERR_EXIST;
232 result.diropres3_u.resfail = wcc;
237 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), BLUESKY_REGULAR);
240 bluesky_insert_inode(fs, file);
241 bluesky_directory_insert(dir, argp->where.name, file->inum);
243 wcc.after.present = TRUE;
244 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
245 result.diropres3_u.resok.obj_attributes.present = TRUE;
246 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
247 result.diropres3_u.resok.dir_wcc = wcc;
249 static uint64_t fh_bytes;
250 fh_bytes = GUINT64_TO_BE(file->inum);
251 result.diropres3_u.resok.obj.present = TRUE;
252 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
253 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
259 nfsproc3_mkdir_3_svc(mkdir3args *argp, struct svc_req *rqstp)
261 static diropres3 result;
263 result.status = NFS3ERR_NOTSUPP;
269 nfsproc3_symlink_3_svc(symlink3args *argp, struct svc_req *rqstp)
271 static diropres3 result;
273 result.status = NFS3ERR_NOTSUPP;
279 nfsproc3_mknod_3_svc(mknod3args *argp, struct svc_req *rqstp)
281 static diropres3 result;
283 result.status = NFS3ERR_NOTSUPP;
289 nfsproc3_remove_3_svc(diropargs3 *argp, struct svc_req *rqstp)
291 static wccstat3 result;
293 result.status = NFS3ERR_NOTSUPP;
299 nfsproc3_rmdir_3_svc(diropargs3 *argp, struct svc_req *rqstp)
301 static wccstat3 result;
303 result.status = NFS3ERR_NOTSUPP;
309 nfsproc3_rename_3_svc(rename3args *argp, struct svc_req *rqstp)
311 static rename3res result;
313 result.status = NFS3ERR_NOTSUPP;
319 nfsproc3_link_3_svc(link3args *argp, struct svc_req *rqstp)
321 static link3res result;
323 result.status = NFS3ERR_NOTSUPP;
328 gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
332 nfsproc3_readdir_3_svc(readdir3args *argp, struct svc_req *rqstp)
334 static readdir3res result;
336 BlueSkyInode *dir = lookup_fh(&argp->dir);
338 result.status = NFS3ERR_STALE;
339 result.readdir3res_u.resfail.present = FALSE;
343 result.status = NFS3_OK;
344 result.readdir3res_u.resok.dir_attributes.present = TRUE;
345 encode_fattr3(&result.readdir3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
346 memset(result.readdir3res_u.resok.cookieverf, 0,
347 sizeof(result.readdir3res_u.resok.cookieverf));
349 #define MAX_READDIR_DIRENTS 4
350 static entry3 dirents[MAX_READDIR_DIRENTS];
353 BlueSkyDirent start = {NULL, argp->cookie, 0};
354 GSequenceIter *i = g_sequence_search(dir->dirents, &start,
355 bluesky_dirent_compare, NULL);
357 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
358 BlueSkyDirent *d = g_sequence_get(i);
359 dirents[count].fileid = d->inum;
360 dirents[count].name = d->name;
361 dirents[count].cookie = d->hash;
362 dirents[count].nextentry = NULL;
364 dirents[count - 1].nextentry = &dirents[count];
365 i = g_sequence_iter_next(i);
370 result.readdir3res_u.resok.reply.entries = &dirents[0];
372 result.readdir3res_u.resok.reply.entries = NULL;
373 result.readdir3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
379 nfsproc3_readdirplus_3_svc(readdirplus3args *argp, struct svc_req *rqstp)
381 static readdirplus3res result;
383 result.status = NFS3ERR_NOTSUPP;
389 nfsproc3_fsstat_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
391 static fsstat3res result;
393 result.status = NFS3ERR_NOTSUPP;
399 nfsproc3_fsinfo_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
401 static fsinfo3res result;
403 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
404 result.status = NFS3_OK;
405 result.fsinfo3res_u.resok.obj_attributes.present = TRUE;
406 encode_fattr3(&result.fsinfo3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
407 result.fsinfo3res_u.resok.rtmax = 32768;
408 result.fsinfo3res_u.resok.rtpref = 32768;
409 result.fsinfo3res_u.resok.rtmult = 4096;
410 result.fsinfo3res_u.resok.wtmax = 32768;
411 result.fsinfo3res_u.resok.wtpref = 32768;
412 result.fsinfo3res_u.resok.wtmult = 4096;
413 result.fsinfo3res_u.resok.dtpref = 4096;
414 result.fsinfo3res_u.resok.maxfilesize = 0x7fffffffffffffffULL;
415 result.fsinfo3res_u.resok.time_delta.seconds = 0;
416 result.fsinfo3res_u.resok.time_delta.nseconds = 1000;
417 result.fsinfo3res_u.resok.properties
418 = FSF3_LINK | FSF3_SYMLINK | FSF3_HOMOGENEOUS | FSF3_CANSETTIME;
424 nfsproc3_pathconf_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
426 static pathconf3res result;
428 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
429 result.status = NFS3_OK;
430 result.pathconf3res_u.resok.obj_attributes.present = TRUE;
431 encode_fattr3(&result.pathconf3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
432 result.pathconf3res_u.resok.linkmax = 0xffffffff;
433 result.pathconf3res_u.resok.name_max = 255;
434 result.pathconf3res_u.resok.no_trunc = TRUE;
435 result.pathconf3res_u.resok.chown_restricted = TRUE;
436 result.pathconf3res_u.resok.case_insensitive = FALSE;
437 result.pathconf3res_u.resok.case_preserving = TRUE;
443 nfsproc3_commit_3_svc(commit3args *argp, struct svc_req *rqstp)
445 static commit3res result;
447 result.status = NFS3ERR_NOTSUPP;