diff options
| -rw-r--r-- | source3/smbd/nttrans.c | 48 |
1 files changed, 43 insertions, 5 deletions
diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c index ad585337b8..8d92d60642 100644 --- a/source3/smbd/nttrans.c +++ b/source3/smbd/nttrans.c @@ -2107,14 +2107,52 @@ static void call_nt_transact_ioctl(connection_struct *conn, switch (function) { case FSCTL_SET_SPARSE: - /* pretend this succeeded - tho strictly we should - mark the file sparse (if the local fs supports it) - so we can know if we need to pre-allocate or not */ + { + bool set_sparse = true; + NTSTATUS status; + + if (data_count >= 1 && pdata[0] == 0) { + set_sparse = false; + } + + DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X]set[%u]\n", + fidnum, set_sparse)); + + if (!check_fsp_open(conn, req, fsp)) { + return; + } + + if (!CAN_WRITE(conn)) { + DEBUG(9,("FSCTL_SET_SPARSE: fname[%s] set[%u] " + "on readonly share[%s]\n", + smb_fname_str_dbg(fsp->fsp_name), set_sparse, + lp_servicename(SNUM(conn)))); + reply_nterror(req, NT_STATUS_MEDIA_WRITE_PROTECTED); + return; + } + + if (!(fsp->access_mask & FILE_WRITE_DATA) && + !(fsp->access_mask & FILE_WRITE_ATTRIBUTES)) { + DEBUG(9,("FSCTL_SET_SPARSE: fname[%s] set[%u] " + "access_mask[0x%08X] - access denied\n", + smb_fname_str_dbg(fsp->fsp_name), set_sparse, fsp->access_mask)); + reply_nterror(req, NT_STATUS_ACCESS_DENIED); + return; + } - DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum)); + status = file_set_sparse(conn, fsp->fsp_name, set_sparse); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(9,("FSCTL_SET_SPARSE: fname[%s] set[%u] - %s\n", + smb_fname_str_dbg(fsp->fsp_name), set_sparse, nt_errstr(status))); + reply_nterror(req, status); + return; + } + + DEBUG(10,("FSCTL_SET_SPARSE: fname[%s] set[%u] - %s\n", + smb_fname_str_dbg(fsp->fsp_name), set_sparse, nt_errstr(status))); send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0); return; - + } case FSCTL_CREATE_OR_GET_OBJECT_ID: { unsigned char objid[16]; |