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Allow CREATE/ALTER ROLE PASSWORD NULL to allow restoring the default state

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of having no password.
This commit is contained in:
Peter Eisentraut 2005-12-23 16:46:39 +00:00
parent dcc7da8d5e
commit 98b3c3c450
3 changed files with 24 additions and 10 deletions
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13
doc/src/sgml/ref/create_role.sgml
View File

@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/create_role.sgml,v 1.5 2005/12/18 02:17:16 petere Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/create_role.sgml,v 1.6 2005/12/23 16:46:39 petere Exp $
PostgreSQL documentation
-->
@ -188,10 +188,13 @@ where <replaceable class="PARAMETER">option</replaceable> can be:
<listitem>
<para>
Sets the role's password. (A password is only of use for
roles having the <literal>LOGIN</literal> attribute, but you can
nonetheless define one for roles without it.)
If you do not plan to use password
authentication you can omit this option.
roles having the <literal>LOGIN</literal> attribute, but you
can nonetheless define one for roles without it.) If you do
not plan to use password authentication you can omit this
option. If no password is specified, the password will be set
to null and password authentication will always fail for that
user. A null password can optionally be written explicitly as
<literal>PASSWORD NULL</literal>.
</para>
</listitem>
</varlistentry>

15
src/backend/commands/user.c
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/commands/user.c,v 1.166 2005/11/22 18:17:09 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/user.c,v 1.167 2005/12/23 16:46:39 petere Exp $
*
*-------------------------------------------------------------------------
*/
@ -225,7 +225,7 @@ CreateRole(CreateRoleStmt *stmt)
defel->defname);
}
if (dpassword)
if (dpassword && dpassword->arg)
password = strVal(dpassword->arg);
if (dissuper)
issuper = intVal(dissuper->arg) != 0;
@ -517,7 +517,7 @@ AlterRole(AlterRoleStmt *stmt)
defel->defname);
}
if (dpassword)
if (dpassword && dpassword->arg)
password = strVal(dpassword->arg);
if (dissuper)
issuper = intVal(dissuper->arg);
@ -573,7 +573,7 @@ AlterRole(AlterRoleStmt *stmt)
!dconnlimit &&
!rolemembers &&
!validUntil &&
password &&
dpassword &&
roleid == GetUserId()))
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
@ -651,6 +651,13 @@ AlterRole(AlterRoleStmt *stmt)
new_record_repl[Anum_pg_authid_rolpassword - 1] = 'r';
}
/* unset password */
if (dpassword && dpassword->arg == NULL)
{
new_record_repl[Anum_pg_authid_rolpassword - 1] = 'r';
new_record_nulls[Anum_pg_authid_rolpassword - 1] = 'n';
}
/* valid until */
if (validUntil)
{

6
src/backend/parser/gram.y
View File

@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.517 2005/12/11 10:54:27 neilc Exp $
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.518 2005/12/23 16:46:39 petere Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -616,6 +616,10 @@ OptRoleElem:
$$ = makeDefElem("password",
(Node *)makeString($2));
}
| PASSWORD NULL_P
{
$$ = makeDefElem("password", NULL);
}
| ENCRYPTED PASSWORD Sconst
{
$$ = makeDefElem("encryptedPassword",