* 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 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)
{
}
}
- if (argp->new_attributes.mode.set) {
- inode->mode = argp->new_attributes.mode.set_uint32_u.val;
- }
-
- if (argp->new_attributes.uid.set) {
- inode->uid = argp->new_attributes.uid.set_uint32_u.val;
- }
-
- if (argp->new_attributes.gid.set) {
- inode->gid = argp->new_attributes.gid.set_uint32_u.val;
- }
-
- int64_t now = bluesky_get_current_time();
-
- if (argp->new_attributes.size.set) {
- bluesky_file_truncate(inode,
- argp->new_attributes.size.set_uint64_u.val);
- inode->mtime = now;
- }
-
- switch (argp->new_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(&argp->new_attributes.atime.set_time_u.time);
- break;
- }
-
- switch (argp->new_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(&argp->new_attributes.mtime.set_time_u.time);
- break;
- }
-
- inode->ctime = now;
- inode->change_count++;
+ 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,
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;
}
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;
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;
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;
}
{
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;
+ }
+
+ uint64_t inum = bluesky_directory_lookup(dir, argp->name);
+ BlueSkyInode *inode = bluesky_get_inode(fs, inum);
+ if (inode == NULL) {
+ result.status = NFS3ERR_NOENT;
+ return &result;
+ }
+
+ if (inode->type != BLUESKY_DIRECTORY) {
+ result.status = NFS3ERR_NOTDIR;
+ return &result;
+ }
+ if (g_sequence_get_length(inode->dirents) > 0) {
+ printf("Directory not empty: %d entries\n",
+ g_sequence_get_length(inode->dirents));
+ result.status = NFS3ERR_NOTEMPTY;
+ 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_rename_3_svc(rename3args *argp, struct svc_req *rqstp)
{
static rename3res result;
+ wcc_data *wcc1 = &result.rename3res_u.res.fromdir_wcc;
+ wcc_data *wcc2 = &result.rename3res_u.res.todir_wcc;
+ memset(wcc1, 0, sizeof(*wcc1));
+ memset(wcc2, 0, sizeof(*wcc2));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *dir1 = lookup_fh(&argp->from.dir);
+ if (dir1 == NULL) {
+ result.status = NFS3ERR_STALE;
+ return &result;
+ }
+ encode_pre_wcc(wcc1, dir1);
+
+ BlueSkyInode *dir2 = lookup_fh(&argp->to.dir);
+ if (dir2 == NULL) {
+ result.status = NFS3ERR_STALE;
+ return &result;
+ }
+ encode_pre_wcc(wcc2, dir1);
+
+ gboolean status = bluesky_rename(dir1, argp->from.name,
+ dir2, argp->to.name,
+ TRUE, TRUE);
+
+ wcc1->after.present = TRUE;
+ encode_fattr3(&wcc1->after.post_op_attr_u.attributes, dir1);
+ wcc2->after.present = TRUE;
+ encode_fattr3(&wcc2->after.post_op_attr_u.attributes, dir2);
+ if (status)
+ result.status = NFS3_OK;
+ else
+ result.status = NFS3ERR_PERM;
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;
}
gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
gpointer unused);
+#define MAX_READDIR_DIRENTS 64
readdir3res *
nfsproc3_readdir_3_svc(readdir3args *argp, struct svc_req *rqstp)
{
memset(result.readdir3res_u.resok.cookieverf, 0,
sizeof(result.readdir3res_u.resok.cookieverf));
-#define MAX_READDIR_DIRENTS 4
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);
readdirplus3res *
nfsproc3_readdirplus_3_svc(readdirplus3args *argp, struct svc_req *rqstp)
{
+ /* XDR-encoded sizes:
+ * post_op_attr: 88 bytes
+ * base readdirplus3resok: 88 + 16 bytes
+ * base directory entry: 24 bytes + filename
+ * attributes/fh3: 88 + 8 + filehandle size
+ */
+ size_t dircount = 88 + 16, attrcount = 0;
static readdirplus3res result;
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *dir = lookup_fh(&argp->dir);
+ if (dir == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.readdirplus3res_u.resfail.present = FALSE;
+ return &result;
+ }
+
+ result.status = NFS3_OK;
+ result.readdirplus3res_u.resok.dir_attributes.present = TRUE;
+ encode_fattr3(&result.readdirplus3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
+ memset(result.readdirplus3res_u.resok.cookieverf, 0,
+ sizeof(result.readdirplus3res_u.resok.cookieverf));
+
+ static entryplus3 dirents[MAX_READDIR_DIRENTS];
+ static uint64_t fh_bytes[MAX_READDIR_DIRENTS];
+ int count = 0;
+
+ /* TODO: Handle dircount, maxcount arguments from client. */
+
+ BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
+ GSequenceIter *i = g_sequence_search(dir->dirents, &start,
+ bluesky_dirent_compare, NULL);
+
+ while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
+ BlueSkyDirent *d = g_sequence_get(i);
+ BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
+ if (inode != NULL) {
+ dircount += 24 + ((strlen(d->name) + 3) & ~3);
+ attrcount += 88 + 8 + 8;
+ if (dircount > argp->dircount
+ || dircount + attrcount > argp->maxcount)
+ break;
+ dirents[count].fileid = d->inum;
+ dirents[count].name = d->name;
+ dirents[count].cookie = d->cookie;
+ dirents[count].nextentry = NULL;
+ dirents[count].name_attributes.present = TRUE;
+ encode_fattr3(&dirents[count].name_attributes.post_op_attr_u.attributes, inode);
+ fh_bytes[count] = GUINT64_TO_BE(d->inum);
+ dirents[count].name_handle.present = TRUE;
+ dirents[count].name_handle.post_op_fh3_u.handle.data.data_len = 8;
+ dirents[count].name_handle.post_op_fh3_u.handle.data.data_val
+ = (char *)&fh_bytes[count];
+ if (count > 0)
+ dirents[count - 1].nextentry = &dirents[count];
+ count++;
+ }
+ i = g_sequence_iter_next(i);
+ }
+
+ if (count > 0)
+ result.readdirplus3res_u.resok.reply.entries = &dirents[0];
+ else
+ result.readdirplus3res_u.resok.reply.entries = NULL;
+ result.readdirplus3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
return &result;
}
{
static fsstat3res result;
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *inode = lookup_fh(argp);
+ if (inode == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.fsstat3res_u.resfail.present = FALSE;
+ return &result;
+ }
+
+ result.status = NFS3_OK;
+ result.fsstat3res_u.resok.obj_attributes.present = TRUE;
+ encode_fattr3(&result.fsstat3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
+
+ result.fsstat3res_u.resok.tbytes = (1 << 30);
+ result.fsstat3res_u.resok.fbytes = (1 << 30);
+ result.fsstat3res_u.resok.abytes = (1 << 30);
+ result.fsstat3res_u.resok.tfiles = 0;
+ result.fsstat3res_u.resok.ffiles = 0;
+ result.fsstat3res_u.resok.afiles = 0;
+ result.fsstat3res_u.resok.invarsec = 0;
return &result;
}