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First step done,

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below  is  the patch to have views to override the permission
    checks for the accessed tables. Now we can do the following:

    CREATE VIEW db_user AS SELECT
         usename,
         usesysid,
         usecreatedb,
         usetrace,
         usecatupd,
         '**********'::text as passwd,
         valuntil
        FROM pg_user;

    REVOKE ALL ON pg_user FROM public;
    REVOKE ALL ON db_user FROM public;
    GRANT SELECT ON db_user TO public;
This commit is contained in:
Marc G. Fournier
1998-02-21 06:32:15 +00:00
parent 734328840c
commit 7b30490bc9
7 changed files with 126 additions and 17 deletions
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13
src/backend/executor/execMain.c
View File

@ -26,7 +26,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.42 1998/02/13 03:26:38 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.43 1998/02/21 06:31:37 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
@ -299,6 +299,17 @@ ExecCheckPerms(CmdType operation,
{
RangeTblEntry *rte = lfirst(lp);
if (rte->skipAcl)
{
/*
* This happens if the access to this table is due
* to a view query rewriting - the rewrite handler
* checked the permissions against the view owner,
* so we just skip this entry.
*/
continue;
}
relid = rte->relid;
htp = SearchSysCacheTuple(RELOID,
ObjectIdGetDatum(relid),