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Add has_tablespace_privilege(). 

Christopher Kings-Lynne
This commit is contained in:
Bruce Momjian 2004-07-12 20:23:59 +00:00
parent 1a0f3e476b
commit e47cbb3bad
5 changed files with 254 additions and 6 deletions
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28
doc/src/sgml/func.sgml
View File

@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.213 2004/07/02 22:49:45 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.214 2004/07/12 20:23:47 momjian Exp $
PostgreSQL documentation
-->
@ -6980,6 +6980,21 @@ SELECT set_config('log_statement_stats', 'off', false);
<entry><type>boolean</type></entry>
<entry>does current user have privilege for schema</entry>
</row>
<row>
<entry><literal><function>has_tablespace_privilege</function>(<parameter>user</parameter>,
<parameter>tablespace</parameter>,
<parameter>privilege</parameter>)</literal>
</entry>
<entry><type>boolean</type></entry>
<entry>does user have privilege for tablespace</entry>
</row>
<row>
<entry><literal><function>has_tablespace_privilege</function>(<parameter>tablespace</parameter>,
<parameter>privilege</parameter>)</literal>
</entry>
<entry><type>boolean</type></entry>
<entry>does current user have privilege for tablespace</entry>
</row>
</tbody>
</tgroup>
</table>
@ -6999,6 +7014,9 @@ SELECT set_config('log_statement_stats', 'off', false);
<indexterm zone="functions-misc">
<primary>has_schema_privilege</primary>
</indexterm>
<indexterm zone="functions-misc">
<primary>has_tablespace_privilege</primary>
</indexterm>
<para>
<function>has_table_privilege</function> checks whether a user
@ -7064,6 +7082,14 @@ SELECT has_function_privilege('joeuser', 'myfunc(int, text)', 'execute');
<literal>USAGE</literal>.
</para>
<para>
<function>has_tablespace_privilege</function> checks whether a user
can access a tablespace in a particular way. The possibilities for its
arguments are analogous to <function>has_table_privilege</function>.
The desired access privilege type must evaluate to
<literal>CREATE</literal>.
</para>
<para>
To evaluate whether a user holds a grant option on the privilege,
append <literal> WITH GRANT OPTION</literal> to the privilege key

206
src/backend/utils/adt/acl.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/acl.c,v 1.106 2004/06/18 06:13:49 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/acl.c,v 1.107 2004/07/12 20:23:50 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -21,6 +21,7 @@
#include "catalog/pg_shadow.h"
#include "catalog/pg_type.h"
#include "commands/dbcommands.h"
#include "commands/tablespace.h"
#include "miscadmin.h"
#include "utils/acl.h"
#include "utils/builtins.h"
@ -54,6 +55,8 @@ static Oid convert_language_name(text *languagename);
static AclMode convert_language_priv_string(text *priv_type_text);
static Oid convert_schema_name(text *schemaname);
static AclMode convert_schema_priv_string(text *priv_type_text);
static Oid convert_tablespace_name(text *tablespacename);
static AclMode convert_tablespace_priv_string(text *priv_type_text);
/*
@ -2207,3 +2210,204 @@ convert_schema_priv_string(text *priv_type_text)
errmsg("unrecognized privilege type: \"%s\"", priv_type)));
return ACL_NO_RIGHTS; /* keep compiler quiet */
}
/*
* has_tablespace_privilege variants
* These are all named "has_tablespace_privilege" at the SQL level.
* They take various combinations of tablespace name, tablespace OID,
* user name, user sysid, or implicit user = current_user.
*
* The result is a boolean value: true if user has the indicated
* privilege, false if not.
*/
/*
* has_tablespace_privilege_name_name
* Check user privileges on a tablespace given
* name username, text tablespacename, and text priv name.
*/
Datum
has_tablespace_privilege_name_name(PG_FUNCTION_ARGS)
{
Name username = PG_GETARG_NAME(0);
text *tablespacename = PG_GETARG_TEXT_P(1);
text *priv_type_text = PG_GETARG_TEXT_P(2);
int32 usesysid;
Oid tablespaceoid;
AclMode mode;
AclResult aclresult;
usesysid = get_usesysid(NameStr(*username));
tablespaceoid = convert_tablespace_name(tablespacename);
mode = convert_tablespace_priv_string(priv_type_text);
aclresult = pg_tablespace_aclcheck(tablespaceoid, usesysid, mode);
PG_RETURN_BOOL(aclresult == ACLCHECK_OK);
}
/*
* has_tablespace_privilege_name
* Check user privileges on a tablespace given
* text tablespacename and text priv name.
* current_user is assumed
*/
Datum
has_tablespace_privilege_name(PG_FUNCTION_ARGS)
{
text *tablespacename = PG_GETARG_TEXT_P(0);
text *priv_type_text = PG_GETARG_TEXT_P(1);
AclId usesysid;
Oid tablespaceoid;
AclMode mode;
AclResult aclresult;
usesysid = GetUserId();
tablespaceoid = convert_tablespace_name(tablespacename);
mode = convert_tablespace_priv_string(priv_type_text);
aclresult = pg_tablespace_aclcheck(tablespaceoid, usesysid, mode);
PG_RETURN_BOOL(aclresult == ACLCHECK_OK);
}
/*
* has_tablespace_privilege_name_id
* Check user privileges on a tablespace given
* name usename, tablespace oid, and text priv name.
*/
Datum
has_tablespace_privilege_name_id(PG_FUNCTION_ARGS)
{
Name username = PG_GETARG_NAME(0);
Oid tablespaceoid = PG_GETARG_OID(1);
text *priv_type_text = PG_GETARG_TEXT_P(2);
int32 usesysid;
AclMode mode;
AclResult aclresult;
usesysid = get_usesysid(NameStr(*username));
mode = convert_tablespace_priv_string(priv_type_text);
aclresult = pg_tablespace_aclcheck(tablespaceoid, usesysid, mode);
PG_RETURN_BOOL(aclresult == ACLCHECK_OK);
}
/*
* has_tablespace_privilege_id
* Check user privileges on a tablespace given
* tablespace oid, and text priv name.
* current_user is assumed
*/
Datum
has_tablespace_privilege_id(PG_FUNCTION_ARGS)
{
Oid tablespaceoid = PG_GETARG_OID(0);
text *priv_type_text = PG_GETARG_TEXT_P(1);
AclId usesysid;
AclMode mode;
AclResult aclresult;
usesysid = GetUserId();
mode = convert_tablespace_priv_string(priv_type_text);
aclresult = pg_tablespace_aclcheck(tablespaceoid, usesysid, mode);
PG_RETURN_BOOL(aclresult == ACLCHECK_OK);
}
/*
* has_tablespace_privilege_id_name
* Check user privileges on a tablespace given
* usesysid, text tablespacename, and text priv name.
*/
Datum
has_tablespace_privilege_id_name(PG_FUNCTION_ARGS)
{
int32 usesysid = PG_GETARG_INT32(0);
text *tablespacename = PG_GETARG_TEXT_P(1);
text *priv_type_text = PG_GETARG_TEXT_P(2);
Oid tablespaceoid;
AclMode mode;
AclResult aclresult;
tablespaceoid = convert_tablespace_name(tablespacename);
mode = convert_tablespace_priv_string(priv_type_text);
aclresult = pg_tablespace_aclcheck(tablespaceoid, usesysid, mode);
PG_RETURN_BOOL(aclresult == ACLCHECK_OK);
}
/*
* has_tablespace_privilege_id_id
* Check user privileges on a tablespace given
* usesysid, tablespace oid, and text priv name.
*/
Datum
has_tablespace_privilege_id_id(PG_FUNCTION_ARGS)
{
int32 usesysid = PG_GETARG_INT32(0);
Oid tablespaceoid = PG_GETARG_OID(1);
text *priv_type_text = PG_GETARG_TEXT_P(2);
AclMode mode;
AclResult aclresult;
mode = convert_tablespace_priv_string(priv_type_text);
aclresult = pg_tablespace_aclcheck(tablespaceoid, usesysid, mode);
PG_RETURN_BOOL(aclresult == ACLCHECK_OK);
}
/*
* Support routines for has_tablespace_privilege family.
*/
/*
* Given a tablespace name expressed as a string, look it up and return Oid
*/
static Oid
convert_tablespace_name(text *tablespacename)
{
char *spcname;
Oid oid;
spcname = DatumGetCString(DirectFunctionCall1(textout,
PointerGetDatum(tablespacename)));
oid = get_tablespace_oid(spcname);
if (!OidIsValid(oid))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("tablespace \"%s\" does not exist", spcname)));
return oid;
}
/*
* convert_tablespace_priv_string
* Convert text string to AclMode value.
*/
static AclMode
convert_tablespace_priv_string(text *priv_type_text)
{
char *priv_type;
priv_type = DatumGetCString(DirectFunctionCall1(textout,
PointerGetDatum(priv_type_text)));
/*
* Return mode from priv_type string
*/
if (pg_strcasecmp(priv_type, "CREATE") == 0)
return ACL_CREATE;
if (pg_strcasecmp(priv_type, "CREATE WITH GRANT OPTION") == 0)
return ACL_GRANT_OPTION_FOR(ACL_CREATE);
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("unrecognized privilege type: \"%s\"", priv_type)));
return ACL_NO_RIGHTS; /* keep compiler quiet */
}

4
src/include/catalog/catversion.h
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@ -37,7 +37,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.243 2004/07/02 22:49:48 tgl Exp $
* $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.244 2004/07/12 20:23:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -53,6 +53,6 @@
*/
/* yyyymmddN */
#define CATALOG_VERSION_NO 200407022
#define CATALOG_VERSION_NO 200407121
#endif

14
src/include/catalog/pg_proc.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.341 2004/07/02 22:49:48 tgl Exp $
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.342 2004/07/12 20:23:53 momjian Exp $
*
* NOTES
* The script catalog/genbki.sh reads this file and generates .bki
@ -3181,6 +3181,18 @@ DESCR("current user privilege on schema by schema name");
DATA(insert OID = 2273 ( has_schema_privilege PGNSP PGUID 12 f f t f s 2 16 "26 25" _null_ has_schema_privilege_id - _null_ ));
DESCR("current user privilege on schema by schema oid");
DATA(insert OID = 2390 ( has_tablespace_privilege PGNSP PGUID 12 f f t f s 3 16 "19 25 25" _null_ has_tablespace_privilege_name_name - _null_ ));
DESCR("user privilege on tablespace by username, tablespace name");
DATA(insert OID = 2391 ( has_tablespace_privilege PGNSP PGUID 12 f f t f s 3 16 "19 26 25" _null_ has_tablespace_privilege_name_id - _null_ ));
DESCR("user privilege on tablespace by username, tablespace oid");
DATA(insert OID = 2392 ( has_tablespace_privilege PGNSP PGUID 12 f f t f s 3 16 "23 25 25" _null_ has_tablespace_privilege_id_name - _null_ ));
DESCR("user privilege on tablespace by usesysid, tablespace name");
DATA(insert OID = 2393 ( has_tablespace_privilege PGNSP PGUID 12 f f t f s 3 16 "23 26 25" _null_ has_tablespace_privilege_id_id - _null_ ));
DESCR("user privilege on tablespace by usesysid, tablespace oid");
DATA(insert OID = 2394 ( has_tablespace_privilege PGNSP PGUID 12 f f t f s 2 16 "25 25" _null_ has_tablespace_privilege_name - _null_ ));
DESCR("current user privilege on tablespace by tablespace name");
DATA(insert OID = 2395 ( has_tablespace_privilege PGNSP PGUID 12 f f t f s 2 16 "26 25" _null_ has_tablespace_privilege_id - _null_ ));
DESCR("current user privilege on tablespace by tablespace oid");
DATA(insert OID = 2290 ( record_in PGNSP PGUID 12 f f t f v 2 2249 "2275 26" _null_ record_in - _null_ ));
DESCR("I/O");

8
src/include/utils/builtins.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.245 2004/07/02 18:59:25 joe Exp $
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.246 2004/07/12 20:23:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -52,6 +52,12 @@ extern Datum has_schema_privilege_id_name(PG_FUNCTION_ARGS);
extern Datum has_schema_privilege_id_id(PG_FUNCTION_ARGS);
extern Datum has_schema_privilege_name(PG_FUNCTION_ARGS);
extern Datum has_schema_privilege_id(PG_FUNCTION_ARGS);
extern Datum has_tablespace_privilege_name_name(PG_FUNCTION_ARGS);
extern Datum has_tablespace_privilege_name_id(PG_FUNCTION_ARGS);
extern Datum has_tablespace_privilege_id_name(PG_FUNCTION_ARGS);
extern Datum has_tablespace_privilege_id_id(PG_FUNCTION_ARGS);
extern Datum has_tablespace_privilege_name(PG_FUNCTION_ARGS);
extern Datum has_tablespace_privilege_id(PG_FUNCTION_ARGS);
/* bool.c */
extern Datum boolin(PG_FUNCTION_ARGS);