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Implement differentiation between CURRENT_USER and SESSION_USER as per SQL.

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There is still no effective difference but it will kick in once setuid
functions exist (not included here).  Make old getpgusername() alias for
current_user.
This commit is contained in:
Peter Eisentraut
2000-09-19 18:18:04 +00:00
parent e9c3f0255f
commit 457ac0331c
12 changed files with 166 additions and 65 deletions
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4
src/backend/commands/user.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/commands/user.c,v 1.67 2000/08/27 21:50:17 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/user.c,v 1.68 2000/09/19 18:17:54 petere Exp $
*
*-------------------------------------------------------------------------
*/
@ -348,7 +348,7 @@ AlterUser(AlterUserStmt *stmt)
/* must be superuser or just want to change your own password */
if (!superuser() &&
!(stmt->createdb == 0 && stmt->createuser == 0 && !stmt->validUntil
&& stmt->password && strcmp(GetPgUserName(), stmt->user) == 0))
&& stmt->password && strcmp(GetUserName(GetUserId()), stmt->user) == 0))
elog(ERROR, "ALTER USER: permission denied");
/* changes to the flat password file cannot be rolled back */