mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-12-21 08:29:39 +08:00
b663f3443b
with OPAQUE, as per recent pghackers discussion. I still want to do some more work on the 'cstring' pseudo-type, but I'm going to commit the bulk of the changes now before the tree starts shifting under me ...
79 lines
1.4 KiB
MySQL
79 lines
1.4 KiB
MySQL
--
|
|
-- PostgreSQL code for CHKPASS.
|
|
-- Written by D'Arcy J.M. Cain
|
|
-- darcy@druid.net
|
|
-- http://www.druid.net/darcy/
|
|
--
|
|
-- $Header: /cvsroot/pgsql/contrib/chkpass/chkpass.sql.in,v 1.2 2002/08/22 00:01:38 tgl Exp $
|
|
--
|
|
-- best viewed with tabs set to 4
|
|
--
|
|
|
|
--
|
|
-- Input and output functions and the type itself:
|
|
--
|
|
|
|
create function chkpass_in(cstring)
|
|
returns chkpass
|
|
as 'MODULE_PATHNAME'
|
|
language 'c';
|
|
|
|
create function chkpass_out(chkpass)
|
|
returns cstring
|
|
as 'MODULE_PATHNAME'
|
|
language 'c';
|
|
|
|
create type chkpass (
|
|
internallength = 16,
|
|
externallength = 13,
|
|
input = chkpass_in,
|
|
output = chkpass_out
|
|
);
|
|
|
|
create function raw(chkpass)
|
|
returns text
|
|
as 'MODULE_PATHNAME', 'chkpass_rout'
|
|
language 'c';
|
|
|
|
--
|
|
-- The various boolean tests:
|
|
--
|
|
|
|
create function eq(chkpass, text)
|
|
returns bool
|
|
as 'MODULE_PATHNAME', 'chkpass_eq'
|
|
language 'c';
|
|
|
|
create function ne(chkpass, text)
|
|
returns bool
|
|
as 'MODULE_PATHNAME', 'chkpass_ne'
|
|
language 'c';
|
|
|
|
--
|
|
-- Now the operators. Note how some of the parameters to some
|
|
-- of the 'create operator' commands are commented out. This
|
|
-- is because they reference as yet undefined operators, and
|
|
-- will be implicitly defined when those are, further down.
|
|
--
|
|
|
|
create operator = (
|
|
leftarg = chkpass,
|
|
rightarg = text,
|
|
commutator = =,
|
|
-- negator = <>,
|
|
procedure = eq
|
|
);
|
|
|
|
create operator <> (
|
|
leftarg = chkpass,
|
|
rightarg = text,
|
|
negator = =,
|
|
procedure = ne
|
|
);
|
|
|
|
COMMENT ON TYPE chkpass IS 'password type with checks';
|
|
|
|
--
|
|
-- eof
|
|
--
|