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--
-- Tests for password types
--
-- Tests for GUC password_encryption
SET password_encryption = 'novalue'; -- error
SET password_encryption = true; -- error
SET password_encryption = 'md5'; -- ok
SET password_encryption = 'scram-sha-256'; -- ok
-- consistency of password entries
SET password_encryption = 'md5';
CREATE ROLE regress_passwd1 PASSWORD 'role_pwd1';
CREATE ROLE regress_passwd2 PASSWORD 'role_pwd2';
SET password_encryption = 'scram-sha-256';
CREATE ROLE regress_passwd3 PASSWORD 'role_pwd3';
CREATE ROLE regress_passwd4 PASSWORD NULL;
-- check list of created entries
--
-- The scram secret will look something like:
-- SCRAM-SHA-256$4096:E4HxLGtnRzsYwg==$6YtlR4t69SguDiwFvbVgVZtuz6gpJQQqUMZ7IQJK5yI=:ps75jrHeYU4lXCcXI4O8oIdJ3eO8o2jirjruw9phBTo=
--
-- Since the salt is random, the exact value stored will be different on every test
-- run. Use a regular expression to mask the changing parts.
SELECT rolname, regexp_replace(rolpassword, '(SCRAM-SHA-256)\$(\d+):([a-zA-Z0-9+/=]+)\$([a-zA-Z0-9+=/]+):([a-zA-Z0-9+/=]+)', '\1$\2:<salt>$<storedkey>:<serverkey>') as rolpassword_masked
FROM pg_authid
WHERE rolname LIKE 'regress_passwd%'
ORDER BY rolname, rolpassword;
-- Rename a role
ALTER ROLE regress_passwd2 RENAME TO regress_passwd2_new;
-- md5 entry should have been removed
SELECT rolname, rolpassword
FROM pg_authid
WHERE rolname LIKE 'regress_passwd2_new'
ORDER BY rolname, rolpassword;
ALTER ROLE regress_passwd2_new RENAME TO regress_passwd2;
-- Change passwords with ALTER USER. With plaintext or already-encrypted
-- passwords.
SET password_encryption = 'md5';
-- encrypt with MD5
ALTER ROLE regress_passwd2 PASSWORD 'foo';
-- already encrypted, use as they are
ALTER ROLE regress_passwd1 PASSWORD 'md5cd3578025fe2c3d7ed1b9a9b26238b70';
ALTER ROLE regress_passwd3 PASSWORD 'SCRAM-SHA-256$4096:VLK4RMaQLCvNtQ==$6YtlR4t69SguDiwFvbVgVZtuz6gpJQQqUMZ7IQJK5yI=:ps75jrHeYU4lXCcXI4O8oIdJ3eO8o2jirjruw9phBTo=';
SET password_encryption = 'scram-sha-256';
-- create SCRAM secret
ALTER ROLE regress_passwd4 PASSWORD 'foo';
-- already encrypted with MD5, use as it is
CREATE ROLE regress_passwd5 PASSWORD 'md5e73a4b11df52a6068f8b39f90be36023';
-- This looks like a valid SCRAM-SHA-256 secret, but it is not
-- so it should be hashed with SCRAM-SHA-256.
CREATE ROLE regress_passwd6 PASSWORD 'SCRAM-SHA-256$1234';
-- These may look like valid MD5 secrets, but they are not, so they
-- should be hashed with SCRAM-SHA-256.
-- trailing garbage at the end
CREATE ROLE regress_passwd7 PASSWORD 'md5012345678901234567890123456789zz';
-- invalid length
CREATE ROLE regress_passwd8 PASSWORD 'md501234567890123456789012345678901zz';
SELECT rolname, regexp_replace(rolpassword, '(SCRAM-SHA-256)\$(\d+):([a-zA-Z0-9+/=]+)\$([a-zA-Z0-9+=/]+):([a-zA-Z0-9+/=]+)', '\1$\2:<salt>$<storedkey>:<serverkey>') as rolpassword_masked
FROM pg_authid
WHERE rolname LIKE 'regress_passwd%'
ORDER BY rolname, rolpassword;
-- An empty password is not allowed, in any form
CREATE ROLE regress_passwd_empty PASSWORD '';
ALTER ROLE regress_passwd_empty PASSWORD 'md585939a5ce845f1a1b620742e3c659e0a';
ALTER ROLE regress_passwd_empty PASSWORD 'SCRAM-SHA-256$4096:hpFyHTUsSWcR7O9P$LgZFIt6Oqdo27ZFKbZ2nV+vtnYM995pDh9ca6WSi120=:qVV5NeluNfUPkwm7Vqat25RjSPLkGeoZBQs6wVv+um4=';
SELECT rolpassword FROM pg_authid WHERE rolname='regress_passwd_empty';
-- Test with invalid stored and server keys.
--
-- The first is valid, to act as a control. The others have too long
-- stored/server keys. They will be re-hashed.
CREATE ROLE regress_passwd_sha_len0 PASSWORD 'SCRAM-SHA-256$4096:A6xHKoH/494E941doaPOYg==$Ky+A30sewHIH3VHQLRN9vYsuzlgNyGNKCh37dy96Rqw=:COPdlNiIkrsacU5QoxydEuOH6e/KfiipeETb/bPw8ZI=';
CREATE ROLE regress_passwd_sha_len1 PASSWORD 'SCRAM-SHA-256$4096:A6xHKoH/494E941doaPOYg==$Ky+A30sewHIH3VHQLRN9vYsuzlgNyGNKCh37dy96RqwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=:COPdlNiIkrsacU5QoxydEuOH6e/KfiipeETb/bPw8ZI=';
CREATE ROLE regress_passwd_sha_len2 PASSWORD 'SCRAM-SHA-256$4096:A6xHKoH/494E941doaPOYg==$Ky+A30sewHIH3VHQLRN9vYsuzlgNyGNKCh37dy96Rqw=:COPdlNiIkrsacU5QoxydEuOH6e/KfiipeETb/bPw8ZIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=';
-- Check that the invalid secrets were re-hashed. A re-hashed secret
-- should not contain the original salt.
SELECT rolname, rolpassword not like '%A6xHKoH/494E941doaPOYg==%' as is_rolpassword_rehashed
FROM pg_authid
WHERE rolname LIKE 'regress_passwd_sha_len%'
ORDER BY rolname;
DROP ROLE regress_passwd1;
DROP ROLE regress_passwd2;
DROP ROLE regress_passwd3;
DROP ROLE regress_passwd4;
DROP ROLE regress_passwd5;
DROP ROLE regress_passwd6;
DROP ROLE regress_passwd7;
DROP ROLE regress_passwd8;
DROP ROLE regress_passwd_empty;
DROP ROLE regress_passwd_sha_len0;
DROP ROLE regress_passwd_sha_len1;
DROP ROLE regress_passwd_sha_len2;
-- all entries should have been removed
SELECT rolname, rolpassword
FROM pg_authid
WHERE rolname LIKE 'regress_passwd%'
ORDER BY rolname, rolpassword;
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