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Tighten pg_get_object_address argument checking 

For publication schemas (OBJECT_PUBLICATION_NAMESPACE) and user
mappings (OBJECT_USER_MAPPING), pg_get_object_address() checked the
array length of the second argument, but not of the first argument.
If the first argument was too long, it would just silently ignore
everything but the first argument.  Fix that by checking the length of
the first argument as well.

Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/caaef70b-a874-1088-92ef-5ac38269c33b%40enterprisedb.com
This commit is contained in:
Peter Eisentraut 2022-09-21 09:34:22 -04:00
parent 3d4e841a07
commit 2da8c4cff3
3 changed files with 20 additions and 8 deletions
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10
src/backend/catalog/objectaddress.c
View File

@ -2254,10 +2254,16 @@ pg_get_object_address(PG_FUNCTION_ARGS)
*/
switch (type)
{
case OBJECT_PUBLICATION_NAMESPACE:
case OBJECT_USER_MAPPING:
if (list_length(name) != 1)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("name list length must be exactly %d", 1)));
/* fall through to check args length */
/* FALLTHROUGH */
case OBJECT_DOMCONSTRAINT:
case OBJECT_CAST:
case OBJECT_USER_MAPPING:
case OBJECT_PUBLICATION_NAMESPACE:
case OBJECT_PUBLICATION_REL:
case OBJECT_DEFACL:
case OBJECT_TRANSFORM:

16
src/test/regress/expected/object_address.out
View File

@ -105,7 +105,7 @@ BEGIN
('text search template'), ('text search configuration'),
('policy'), ('user mapping'), ('default acl'), ('transform'),
('operator of access method'), ('function of access method'),
('publication relation')
('publication namespace'), ('publication relation')
LOOP
FOR names IN VALUES ('{eins}'), ('{addr_nsp, zwei}'), ('{eins, zwei, drei}')
LOOP
@ -285,10 +285,10 @@ WARNING: error for policy,{eins,zwei,drei},{}: schema "eins" does not exist
WARNING: error for policy,{eins,zwei,drei},{integer}: schema "eins" does not exist
WARNING: error for user mapping,{eins},{}: argument list length must be exactly 1
WARNING: error for user mapping,{eins},{integer}: user mapping for user "eins" on server "integer" does not exist
WARNING: error for user mapping,{addr_nsp,zwei},{}: argument list length must be exactly 1
WARNING: error for user mapping,{addr_nsp,zwei},{integer}: user mapping for user "addr_nsp" on server "integer" does not exist
WARNING: error for user mapping,{eins,zwei,drei},{}: argument list length must be exactly 1
WARNING: error for user mapping,{eins,zwei,drei},{integer}: user mapping for user "eins" on server "integer" does not exist
WARNING: error for user mapping,{addr_nsp,zwei},{}: name list length must be exactly 1
WARNING: error for user mapping,{addr_nsp,zwei},{integer}: name list length must be exactly 1
WARNING: error for user mapping,{eins,zwei,drei},{}: name list length must be exactly 1
WARNING: error for user mapping,{eins,zwei,drei},{integer}: name list length must be exactly 1
WARNING: error for default acl,{eins},{}: argument list length must be exactly 1
WARNING: error for default acl,{eins},{integer}: unrecognized default ACL object type "i"
WARNING: error for default acl,{addr_nsp,zwei},{}: argument list length must be exactly 1
@ -313,6 +313,12 @@ WARNING: error for function of access method,{addr_nsp,zwei},{}: name list leng
WARNING: error for function of access method,{addr_nsp,zwei},{integer}: name list length must be at least 3
WARNING: error for function of access method,{eins,zwei,drei},{}: argument list length must be exactly 2
WARNING: error for function of access method,{eins,zwei,drei},{integer}: argument list length must be exactly 2
WARNING: error for publication namespace,{eins},{}: argument list length must be exactly 1
WARNING: error for publication namespace,{eins},{integer}: schema "eins" does not exist
WARNING: error for publication namespace,{addr_nsp,zwei},{}: name list length must be exactly 1
WARNING: error for publication namespace,{addr_nsp,zwei},{integer}: name list length must be exactly 1
WARNING: error for publication namespace,{eins,zwei,drei},{}: name list length must be exactly 1
WARNING: error for publication namespace,{eins,zwei,drei},{integer}: name list length must be exactly 1
WARNING: error for publication relation,{eins},{}: argument list length must be exactly 1
WARNING: error for publication relation,{eins},{integer}: relation "eins" does not exist
WARNING: error for publication relation,{addr_nsp,zwei},{}: argument list length must be exactly 1

2
src/test/regress/sql/object_address.sql
View File

@ -98,7 +98,7 @@ BEGIN
('text search template'), ('text search configuration'),
('policy'), ('user mapping'), ('default acl'), ('transform'),
('operator of access method'), ('function of access method'),
('publication relation')
('publication namespace'), ('publication relation')
LOOP
FOR names IN VALUES ('{eins}'), ('{addr_nsp, zwei}'), ('{eins, zwei, drei}')
LOOP