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Appendix to Firebird 2 Release Notes

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Security Upgrade Script

Security Upgrade Script

A. Peshkov

/* Script security_database.sql
 *
 *  The contents of this file are subject to the Initial
 *  Developer's Public License Version 1.0 (the "License");
 *  you may not use this file except in compliance with the
 *  License. You may obtain a copy of the License at
 *  http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
 *
 *  Software distributed under the License is distributed AS IS,
 *  WITHOUT WARRANTY OF ANY KIND, either express or implied.
 *  See the License for the specific language governing rights
 *  and limitations under the License.
 *
 *  The Original Code was created by Alex Peshkov on 16-Nov-2004
 *  for the Firebird Open Source RDBMS project.
 *
 *  Copyright (c) 2004 Alex Peshkov
 *  and all contributors signed below.
 *
 *  All Rights Reserved.
 *  Contributor(s): ______________________________________.
 *
 */

-- 1. temporary table to alter domains correctly.
CREATE TABLE UTMP (
  USER_NAME VARCHAR(128) CHARACTER SET ASCII,
  SYS_USER_NAME	VARCHAR(128) CHARACTER SET ASCII,
  GROUP_NAME	VARCHAR(128) CHARACTER SET ASCII,
  UID 		INTEGER,
  GID 		INTEGER,
  PASSWD 		VARCHAR(64) CHARACTER SET BINARY,
  PRIVILEGE 	INTEGER,
  COMMENT 	BLOB SUB_TYPE TEXT SEGMENT SIZE 80 
    CHARACTER SET UNICODE_FSS,
  FIRST_NAME 	VARCHAR(32) CHARACTER SET UNICODE_FSS 
    DEFAULT _UNICODE_FSS '',
  MIDDLE_NAME	VARCHAR(32) CHARACTER SET UNICODE_FSS 
    DEFAULT _UNICODE_FSS '',
  LAST_NAME	VARCHAR(32) CHARACTER SET UNICODE_FSS 
    DEFAULT _UNICODE_FSS ''
  );
COMMIT;

-- 2. save users data
INSERT INTO UTMP(USER_NAME, SYS_USER_NAME, GROUP_NAME, 
  UID, GID, PRIVILEGE, COMMENT, FIRST_NAME, MIDDLE_NAME, 
  LAST_NAME, PASSWD)
SELECT USER_NAME, SYS_USER_NAME, GROUP_NAME, 
  UID, GID, PRIVILEGE, COMMENT, FIRST_NAME, MIDDLE_NAME, 
  LAST_NAME, PASSWD
	FROM USERS;
COMMIT;

-- 3. drop old tables and domains
DROP TABLE USERS;
DROP TABLE HOST_INFO;
COMMIT;

DROP DOMAIN COMMENT;
DROP DOMAIN NAME_PART;
DROP DOMAIN GID;
DROP DOMAIN HOST_KEY;
DROP DOMAIN HOST_NAME;
DROP DOMAIN PASSWD;
DROP DOMAIN UID;
DROP DOMAIN USER_NAME;
DROP DOMAIN PRIVILEGE;
COMMIT;

-- 4. create new objects in database
CREATE DOMAIN RDB$COMMENT AS BLOB SUB_TYPE TEXT SEGMENT SIZE 80 
  CHARACTER SET UNICODE_FSS;
CREATE DOMAIN RDB$NAME_PART AS VARCHAR(32) 
  CHARACTER SET UNICODE_FSS DEFAULT _UNICODE_FSS '';
CREATE DOMAIN RDB$GID AS INTEGER;
CREATE DOMAIN RDB$PASSWD AS VARCHAR(64) CHARACTER SET BINARY;
CREATE DOMAIN RDB$UID AS INTEGER;
CREATE DOMAIN RDB$USER_NAME AS VARCHAR(128) 
CHARACTER SET UNICODE_FSS;
CREATE DOMAIN RDB$USER_PRIVILEGE AS INTEGER;
COMMIT;


CREATE TABLE RDB$USERS (
  RDB$USER_NAME       RDB$USER_NAME NOT NULL PRIMARY KEY,
  /* local system user name
     for setuid for file permissions */
  RDB$SYS_USER_NAME   RDB$USER_NAME,
  RDB$GROUP_NAME      RDB$USER_NAME,
  RDB$UID             RDB$UID,
  RDB$GID             RDB$GID,
  RDB$PASSWD          RDB$PASSWD,  /* SEE NOTE BELOW */

  /* Privilege level of user -
     mark a user as having DBA privilege */
  RDB$PRIVILEGE       RDB$USER_PRIVILEGE,

  RDB$COMMENT         RDB$COMMENT,
  RDB$FIRST_NAME      RDB$NAME_PART,
  RDB$MIDDLE_NAME     RDB$NAME_PART,
  RDB$LAST_NAME       RDB$NAME_PART);
COMMIT;

CREATE VIEW USERS (USER_NAME, SYS_USER_NAME, GROUP_NAME,
  UID, GID, PASSWD, PRIVILEGE, COMMENT, FIRST_NAME,
  MIDDLE_NAME, LAST_NAME, FULL_NAME) AS

  SELECT RDB$USER_NAME, RDB$SYS_USER_NAME, RDB$GROUP_NAME,
    RDB$UID, RDB$GID, RDB$PASSWD, RDB$PRIVILEGE, RDB$COMMENT,
    RDB$FIRST_NAME, RDB$MIDDLE_NAME, RDB$LAST_NAME,
    RDB$first_name || _UNICODE_FSS ' ' || RDB$middle_name
      || _UNICODE_FSS ' ' || RDB$last_name
    FROM RDB$USERS
    WHERE CURRENT_USER = 'SYSDBA'
       OR CURRENT_USER = RDB$USERS.RDB$USER_NAME;
COMMIT;

GRANT ALL ON RDB$USERS to VIEW USERS;
GRANT SELECT ON USERS to PUBLIC;
GRANT UPDATE(PASSWD, GROUP_NAME, UID, GID, FIRST_NAME,
  MIDDLE_NAME, LAST_NAME)
	ON USERS TO PUBLIC;
COMMIT;

-- 5. move data from temporary table and drop it
INSERT INTO RDB$USERS(RDB$USER_NAME, RDB$SYS_USER_NAME,
  RDB$GROUP_NAME, RDB$UID, RDB$GID, RDB$PRIVILEGE, RDB$COMMENT,
  RDB$FIRST_NAME, RDB$MIDDLE_NAME, RDB$LAST_NAME, RDB$PASSWD)
SELECT USER_NAME, SYS_USER_NAME, GROUP_NAME, UID, GID,
  PRIVILEGE, COMMENT, FIRST_NAME, MIDDLE_NAME, LAST_NAME,
  PASSWD
    FROM UTMP;
COMMIT;

DROP TABLE UTMP;
COMMIT;

    

Note

This field should be constrained as NOT NULL. For information about this, see Nullability of RDB$PASSWD in the Security chapter.

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