postgresql/contrib/dblink/dblink.sql.in
Joe Conway 9b5efb80ce Restrict non-superusers to password authenticated connections
to prevent possible escalation of privilege. Provide new SECURITY
DEFINER functions with old behavior, but initially REVOKE ALL
from public for these functions. Per list discussion and design
proposed by Tom Lane.
2007-07-09 01:32:58 +00:00

165 lines
4.4 KiB
MySQL

-- dblink_connect now restricts non-superusers to password
-- authenticated connections
CREATE OR REPLACE FUNCTION dblink_connect (text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_connect'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_connect (text, text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_connect'
LANGUAGE 'C' STRICT;
-- dblink_connect_u allows non-superusers to use
-- non-password authenticated connections, but initially
-- privileges are revoked from public
CREATE OR REPLACE FUNCTION dblink_connect_u (text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_connect'
LANGUAGE C STRICT SECURITY DEFINER;
CREATE OR REPLACE FUNCTION dblink_connect_u (text, text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_connect'
LANGUAGE C STRICT SECURITY DEFINER;
REVOKE ALL ON FUNCTION dblink_connect_u (text) FROM public;
REVOKE ALL ON FUNCTION dblink_connect_u (text, text) FROM public;
CREATE OR REPLACE FUNCTION dblink_disconnect ()
RETURNS text
AS 'MODULE_PATHNAME','dblink_disconnect'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_disconnect (text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_disconnect'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_open (text,text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_open'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_open (text,text,bool)
RETURNS text
AS 'MODULE_PATHNAME','dblink_open'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_open (text,text,text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_open'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_open (text,text,text,bool)
RETURNS text
AS 'MODULE_PATHNAME','dblink_open'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_fetch (text,int)
RETURNS setof record
AS 'MODULE_PATHNAME','dblink_fetch'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_fetch (text,int,bool)
RETURNS setof record
AS 'MODULE_PATHNAME','dblink_fetch'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_fetch (text,text,int)
RETURNS setof record
AS 'MODULE_PATHNAME','dblink_fetch'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_fetch (text,text,int,bool)
RETURNS setof record
AS 'MODULE_PATHNAME','dblink_fetch'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_close (text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_close'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_close (text,bool)
RETURNS text
AS 'MODULE_PATHNAME','dblink_close'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_close (text,text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_close'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_close (text,text,bool)
RETURNS text
AS 'MODULE_PATHNAME','dblink_close'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink (text,text)
RETURNS setof record
AS 'MODULE_PATHNAME','dblink_record'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink (text,text,bool)
RETURNS setof record
AS 'MODULE_PATHNAME','dblink_record'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink (text)
RETURNS setof record
AS 'MODULE_PATHNAME','dblink_record'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink (text,bool)
RETURNS setof record
AS 'MODULE_PATHNAME','dblink_record'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_exec (text,text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_exec'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_exec (text,text,bool)
RETURNS text
AS 'MODULE_PATHNAME','dblink_exec'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_exec (text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_exec'
LANGUAGE 'c' STRICT;
CREATE OR REPLACE FUNCTION dblink_exec (text,bool)
RETURNS text
AS 'MODULE_PATHNAME','dblink_exec'
LANGUAGE 'c' STRICT;
CREATE TYPE dblink_pkey_results AS (position int4, colname text);
CREATE OR REPLACE FUNCTION dblink_get_pkey (text)
RETURNS setof dblink_pkey_results
AS 'MODULE_PATHNAME','dblink_get_pkey'
LANGUAGE 'c' STRICT;
CREATE OR REPLACE FUNCTION dblink_build_sql_insert (text, int2vector, int4, _text, _text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_build_sql_insert'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_build_sql_delete (text, int2vector, int4, _text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_build_sql_delete'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_build_sql_update (text, int2vector, int4, _text, _text)
RETURNS text
AS 'MODULE_PATHNAME','dblink_build_sql_update'
LANGUAGE 'C' STRICT;
CREATE OR REPLACE FUNCTION dblink_current_query ()
RETURNS text
AS 'MODULE_PATHNAME','dblink_current_query'
LANGUAGE 'C';