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-- SQLite3 schema for Cryptech PKCS #11 implementation.
--
-- Author: Rob Austein
-- Copyright (c) 2015-2016, NORDUnet A/S
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions are
-- met:
-- - Redistributions of source code must retain the above copyright notice,
-- this list of conditions and the following disclaimer.
--
-- - Redistributions in binary form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in the
-- documentation and/or other materials provided with the distribution.
--
-- - Neither the name of the NORDUnet nor the names of its contributors may
-- be used to endorse or promote products derived from this software
-- without specific prior written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
-- IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-- HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
-- TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-- Notes:
--
-- The CHECK constraints in the attribute tables are checking
-- CKA_TOKEN, to make sure we don't accidently file token objects in
-- the session table or vice versa.
--
-- temp.object.token_object_id is a foreign-key reference to
-- main.token_object.id, but we can't use a real foreign key reference
-- because they're in different databases. If we're careful about how
-- we do our joins, this is harmless, but may lead to some clutter if
-- a long running session has handles on token objects which some
-- other process deletes from the database. If this happens and we
-- care for some reason, we can clean up such clutter with something
-- like:
--
-- WITH
-- known AS (SELECT token_object_id FROM token_object)
-- DELETE FROM object
-- WHERE token_object_id IS NOT NULL
-- AND token_object_id NOT IN known;
PRAGMA foreign_keys = ON;
CREATE TEMPORARY TABLE IF NOT EXISTS session (
session_id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
session_handle INTEGER NOT NULL UNIQUE
CHECK (session_handle > 0 AND session_handle <= 0xFFFFFFFF)
);
CREATE TEMPORARY TABLE IF NOT EXISTS object (
object_id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
object_handle INTEGER NOT NULL UNIQUE
CHECK (object_handle > 0 AND object_handle <= 0xFFFFFFFF),
session_id INTEGER REFERENCES session
ON DELETE CASCADE ON UPDATE CASCADE
DEFERRABLE INITIALLY DEFERRED,
token_object_id INTEGER,
session_object_id INTEGER REFERENCES session_object
ON DELETE CASCADE ON UPDATE CASCADE
DEFERRABLE INITIALLY DEFERRED,
CHECK (token_object_id IS NULL OR (session_id IS NULL AND session_object_id IS NULL)),
UNIQUE (token_object_id),
UNIQUE (session_id, session_object_id)
);
CREATE TEMPORARY TABLE IF NOT EXISTS session_object (
session_object_id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
hal_pkey_uuid BLOB,
object_id INTEGER NOT NULL UNIQUE
REFERENCES object
ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TEMPORARY TABLE IF NOT EXISTS session_attribute (
type INTEGER NOT NULL,
session_object_id INTEGER NOT NULL REFERENCES session_object
ON DELETE CASCADE ON UPDATE CASCADE,
value BLOB NOT NULL,
UNIQUE (type, session_object_id),
CHECK (type <> 1 OR value = X'00')
);
CREATE TABLE IF NOT EXISTS token_object (
token_object_id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
hal_pkey_uuid BLOB
);
CREATE TABLE IF NOT EXISTS token_attribute (
type INTEGER NOT NULL,
token_object_id INTEGER NOT NULL REFERENCES token_object
ON DELETE CASCADE ON UPDATE CASCADE,
value BLOB NOT NULL,
UNIQUE (type, token_object_id),
CHECK (type <> 1 OR value <> X'00')
);
-- http://sqlite.org/foreignkeys.html says we might want these.
CREATE INDEX IF NOT EXISTS temp.object__session ON object(session_id);
CREATE INDEX IF NOT EXISTS temp.object__session_object ON object(session_object_id);
CREATE INDEX IF NOT EXISTS temp.session_object__object ON session_object(object_id);
CREATE INDEX IF NOT EXISTS temp.session_attribute__session_object ON session_attribute(session_object_id);
CREATE INDEX IF NOT EXISTS token_attribute__token_object ON token_attribute(token_object_id);
-- Local variables:
-- indent-tabs-mode: nil
-- End:
|
