* UTF-8, that it not be empty, and that it not contain embedded forward
* slashes. Also checks that the length of the string is not more than the
* maximum allowed length. This function does allow the names "." and "..".
- * Returns TRUE if te string is allowed as a filename. */
+ * Returns TRUE if the string is allowed as a filename. */
gboolean validate_filename(const char *filename)
{
if (filename == NULL || filename[0] == '\0')
result->mtime.nseconds = (inode->mtime % 1000000) * 1000;
result->ctime.seconds = inode->ctime / 1000000;
result->ctime.nseconds = (inode->ctime % 1000000) * 1000;
+
+ switch (inode->type) {
+ case BLUESKY_SYMLINK:
+ result->size = strlen(inode->symlink_contents);
+ break;
+ default:
+ break;
+ }
}
void encode_pre_wcc(struct wcc_data *wcc, BlueSkyInode *inode)
wcc->before.pre_op_attr_u.attributes.ctime.seconds = inode->ctime / 1000000;
wcc->before.pre_op_attr_u.attributes.ctime.nseconds = (inode->ctime % 1000000) * 1000;
}
+
void *
nfsproc3_null_3_svc(void *argp, struct svc_req *rqstp)
{
nfsproc3_readlink_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
{
static readlink3res result;
+ memset(&result, 0, sizeof(result));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *inode = lookup_fh(argp);
+ if (inode != NULL) {
+ if (inode->type == BLUESKY_SYMLINK) {
+ result.status = NFS3_OK;
+ result.readlink3res_u.resok.symlink_attributes.present = TRUE;
+ encode_fattr3(&result.readlink3res_u.resok.symlink_attributes.post_op_attr_u.attributes, inode);
+ result.readlink3res_u.resok.data = inode->symlink_contents;
+ } else {
+ result.status = NFS3ERR_INVAL;
+ result.readlink3res_u.resfail.present = TRUE;
+ encode_fattr3(&result.readlink3res_u.resfail.post_op_attr_u.attributes, inode);
+ }
+ } else {
+ result.status = NFS3ERR_STALE;
+ }
return &result;
}
file->nlink = 1;
file->mode = 0755;
int64_t time = bluesky_get_current_time();
- printf("time: %lld\n", time);
+ printf("time: %"PRIi64"\n", time);
file->mtime = time;
file->ctime = time;
file->atime = time;
nfsproc3_symlink_3_svc(symlink3args *argp, struct svc_req *rqstp)
{
static diropres3 result;
+ struct wcc_data wcc;
+ memset(&wcc, 0, sizeof(wcc));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *dir = lookup_fh(&argp->where.dir);
+ if (dir == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.diropres3_u.resfail = wcc;
+ return &result;
+ }
+
+ encode_pre_wcc(&wcc, dir);
+ if (dir->type != BLUESKY_DIRECTORY) {
+ result.status = NFS3ERR_NOTDIR;
+ result.diropres3_u.resfail = wcc;
+ return &result;
+ }
+
+ if (!validate_filename(argp->where.name)
+ || strcmp(argp->where.name, ".") == 0
+ || strcmp(argp->where.name, "..") == 0)
+ {
+ result.status = NFS3ERR_EXIST;
+ result.diropres3_u.resfail = wcc;
+ return &result;
+ }
+
+ BlueSkyInode *file;
+ file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_SYMLINK);
+ file->nlink = 1;
+ file->mode = 0755;
+ int64_t time = bluesky_get_current_time();
+ file->mtime = time;
+ file->ctime = time;
+ file->atime = time;
+ file->ntime = time;
+ file->symlink_contents = g_strdup(argp->symlink.symlink_data);
+ bluesky_insert_inode(fs, file);
+ bluesky_directory_insert(dir, argp->where.name, file->inum);
+
+ dir->mtime = dir->ctime = bluesky_get_current_time();
+ dir->change_count++;
+
+ wcc.after.present = TRUE;
+ encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
+ result.diropres3_u.resok.obj_attributes.present = TRUE;
+ encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
+ result.diropres3_u.resok.dir_wcc = wcc;
+
+ static uint64_t fh_bytes;
+ fh_bytes = GUINT64_TO_BE(file->inum);
+ result.diropres3_u.resok.obj.present = TRUE;
+ result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
+ result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
return &result;
}
{
static wccstat3 result;
- result.status = NFS3ERR_NOTSUPP;
+ result.wccstat3_u.wcc.before.present = FALSE;
+ result.wccstat3_u.wcc.after.present = FALSE;
+
+ BlueSkyInode *dir = lookup_fh(&argp->dir);
+ if (dir == NULL) {
+ result.status = NFS3ERR_STALE;
+ return &result;
+ }
+
+ encode_pre_wcc(&result.wccstat3_u.wcc, dir);
+
+ if (!validate_filename(argp->name)
+ || strcmp(argp->name, ".") == 0
+ || strcmp(argp->name, "..") == 0)
+ {
+ result.status = NFS3ERR_NOENT;
+ return &result;
+ }
+
+ /* TODO: Decrement link count, deallocate inode if needed. */
+
+ bluesky_directory_remove(dir, argp->name);
+
+ result.status = NFS3_OK;
+ result.wccstat3_u.wcc.after.present = TRUE;
+ encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
+ dir);
return &result;
}
nfsproc3_link_3_svc(link3args *argp, struct svc_req *rqstp)
{
static link3res result;
+ struct wcc_data wcc;
+ memset(&wcc, 0, sizeof(wcc));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *inode = lookup_fh(&argp->file);
+ if (inode == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.link3res_u.res.linkdir_wcc = wcc;
+ return &result;
+ }
+
+ BlueSkyInode *dir = lookup_fh(&argp->link.dir);
+ if (dir == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.link3res_u.res.linkdir_wcc = wcc;
+ return &result;
+ }
+
+ encode_pre_wcc(&wcc, dir);
+ if (dir->type != BLUESKY_DIRECTORY) {
+ result.status = NFS3ERR_NOTDIR;
+ result.link3res_u.res.linkdir_wcc = wcc;
+ return &result;
+ }
+
+ if (!validate_filename(argp->link.name)
+ || strcmp(argp->link.name, ".") == 0
+ || strcmp(argp->link.name, "..") == 0
+ || bluesky_directory_lookup(dir, argp->link.name) != 0)
+ {
+ result.status = NFS3ERR_EXIST;
+ result.link3res_u.res.linkdir_wcc = wcc;
+ return &result;
+ }
+
+ if (!bluesky_directory_insert(dir, argp->link.name, inode->inum)) {
+ result.status = NFS3ERR_EXIST;
+ result.link3res_u.res.linkdir_wcc = wcc;
+ return &result;
+ }
+ inode->nlink++;
+ bluesky_inode_update_ctime(inode, 0);
+
+ result.status = NFS3_OK;
+ wcc.after.present = TRUE;
+ encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
+ result.link3res_u.res.file_attributes.present = TRUE;
+ encode_fattr3(&result.link3res_u.res.file_attributes.post_op_attr_u.attributes, inode);
+ result.link3res_u.res.linkdir_wcc = wcc;
return &result;
}
static entry3 dirents[MAX_READDIR_DIRENTS];
int count = 0;
- BlueSkyDirent start = {NULL, argp->cookie, 0};
+ BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
GSequenceIter *i = g_sequence_search(dir->dirents, &start,
bluesky_dirent_compare, NULL);
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