* 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')
return inode;
}
+int64_t decode_nfstime3(nfstime3 *time)
+{
+ int64_t result = (int64_t)time->seconds * 1000000;
+ result += time->nseconds / 1000;
+ return result;
+}
+
+void set_attributes(BlueSkyInode *inode, sattr3 *attributes)
+{
+ int64_t now = bluesky_get_current_time();
+
+ if (attributes->mode.set) {
+ inode->mode = attributes->mode.set_uint32_u.val;
+ }
+
+ if (attributes->uid.set) {
+ inode->uid = attributes->uid.set_uint32_u.val;
+ }
+
+ if (attributes->gid.set) {
+ inode->gid = attributes->gid.set_uint32_u.val;
+ }
+
+ if (attributes->size.set) {
+ if (inode->type == BLUESKY_REGULAR) {
+ bluesky_file_truncate(inode, attributes->size.set_uint64_u.val);
+ inode->mtime = now;
+ }
+ }
+
+ switch (attributes->atime.set) {
+ case DONT_CHANGE:
+ break;
+ case SET_TO_SERVER_TIME:
+ inode->atime = now;
+ break;
+ case SET_TO_CLIENT_TIME:
+ inode->atime = decode_nfstime3(&attributes->atime.set_time_u.time);
+ break;
+ }
+
+ switch (attributes->mtime.set) {
+ case DONT_CHANGE:
+ break;
+ case SET_TO_SERVER_TIME:
+ inode->mtime = now;
+ break;
+ case SET_TO_CLIENT_TIME:
+ inode->mtime = decode_nfstime3(&attributes->mtime.set_time_u.time);
+ break;
+ }
+
+ inode->ctime = now;
+ inode->change_count++;
+}
+
/* Copy inode attributes into NFS response. The BlueSkyInode should be locked
* by the caller. */
void encode_fattr3(struct fattr3 *result, BlueSkyInode *inode)
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)
{
{
static wccstat3 result;
- result.status = NFS3ERR_NOTSUPP;
+ result.wccstat3_u.wcc.before.present = FALSE;
+ result.wccstat3_u.wcc.after.present = FALSE;
+ BlueSkyInode *inode = lookup_fh(&argp->object);
+ if (inode == NULL) {
+ result.status = NFS3ERR_STALE;
+ return &result;
+ }
+
+ encode_pre_wcc(&result.wccstat3_u.wcc, inode);
+ if (argp->guard.check) {
+ if (inode->ctime != decode_nfstime3(&argp->guard.sattrguard3_u.ctime)) {
+ result.status = NFS3ERR_NOT_SYNC;
+ result.wccstat3_u.wcc.after.present = TRUE;
+ encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes, inode);
+ return &result;
+ }
+ }
+
+ set_attributes(inode, &argp->new_attributes);
+
+ result.wccstat3_u.wcc.after.present = TRUE;
+ encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
+ inode);
+ result.status = NFS3_OK;
return &result;
}
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;
}
nfsproc3_read_3_svc(read3args *argp, struct svc_req *rqstp)
{
static read3res result;
+ static char buf[32768];
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *inode = lookup_fh(&argp->file);
+ if (inode == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.read3res_u.resfail.present = FALSE;
+ return &result;
+ }
+
+ int count = argp->count;
+ if (argp->offset >= inode->size) {
+ count = 0;
+ result.read3res_u.resok.eof = TRUE;
+ } else {
+ count = MIN(count, inode->size - argp->offset);
+ if (argp->offset + count == inode->size)
+ result.read3res_u.resok.eof = TRUE;
+ else
+ result.read3res_u.resok.eof = FALSE;
+
+ bluesky_file_read(inode, argp->offset, buf, count);
+ }
+
+ result.status = NFS3_OK;
+ result.read3res_u.resok.file_attributes.present = TRUE;
+ encode_fattr3(&result.read3res_u.resok.file_attributes.post_op_attr_u.attributes, inode);
+ result.read3res_u.resok.count = count;
+ result.read3res_u.resok.data.data_val = buf;
+ result.read3res_u.resok.data.data_len = count;
return &result;
}
if (lastbyte > inode->size) {
bluesky_file_truncate(inode, lastbyte);
}
- inode->change_count++;
+ if (argp->data.data_len < argp->count) {
+ /* ??? */
+ } else {
+ bluesky_file_write(inode, argp->offset,
+ argp->data.data_val, argp->count);
+ }
+
+ wcc.after.present = TRUE;
encode_fattr3(&wcc.after.post_op_attr_u.attributes, inode);
result.write3res_u.resok.file_wcc = wcc;
result.write3res_u.resok.count = argp->count;
}
BlueSkyInode *file;
- file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), BLUESKY_REGULAR);
+ file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_REGULAR);
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;
+ file->ntime = time;
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;
nfsproc3_mkdir_3_svc(mkdir3args *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_DIRECTORY);
+ 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;
+ bluesky_insert_inode(fs, file);
+ bluesky_directory_insert(dir, argp->where.name, file->inum);
+ set_attributes(file, &argp->attributes);
+
+ 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;
}
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);
BlueSkyDirent *d = g_sequence_get(i);
dirents[count].fileid = d->inum;
dirents[count].name = d->name;
- dirents[count].cookie = d->hash;
+ dirents[count].cookie = d->cookie;
dirents[count].nextentry = NULL;
if (count > 0)
dirents[count - 1].nextentry = &dirents[count];