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From: Dan McGuirk <mcguirk@indirect.com>

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Subject: [HACKERS] better access control error messages

This patch replaces the 'no such class or insufficient privilege' with
distinct error messages that tell you whether the table really doesn't
exist or whether access was denied.
This commit is contained in:
Marc G. Fournier
1997-03-12 20:48:48 +00:00
parent c00c511b7b
commit e4949f9fe5
6 changed files with 63 additions and 43 deletions
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10
src/backend/commands/copy.c
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@ -6,7 +6,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/copy.c,v 1.21 1997/01/10 17:46:33 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/copy.c,v 1.22 1997/03/12 20:47:32 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
@ -102,13 +102,15 @@ DoCopy(char *relname, bool binary, bool oids, bool from, bool pipe,
Relation rel;
extern char *UserName; /* defined in global.c */
const AclMode required_access = from ? ACL_WR : ACL_RD;
int result;
rel = heap_openr(relname);
if (rel == NULL) elog(WARN, "COPY command failed. Class %s "
"does not exist.", relname);
if (!pg_aclcheck(relname, UserName, required_access))
elog(WARN, "%s %s", relname, ACL_NO_PRIV_WARNING);
result = pg_aclcheck(relname, UserName, required_access);
if(result != ACLCHECK_OK)
elog(WARN, "%s: %s", relname, aclcheck_error_strings[result]);
/* Above should not return */
else if (!superuser() && !pipe)
elog(WARN, "You must have Postgres superuser privilege to do a COPY "