[tarantool-patches] Re: [PATCH v2 2/9] box: fix _trigger and _ck_constraint access check

[Vladislav Shpilevoy <v.shpilevoy@tarantool.org>]

I do not see fixes for the comments below.

On 11/03/2019 22:29, n.pettik wrote:
> 
>> src/box/alter.cc | 17 +++++++++++++++++
>> 1 file changed, 17 insertions(+)
>>
>> diff --git a/src/box/alter.cc b/src/box/alter.cc
>> index 0589c9678..ab3dd2e22 100644
>> --- a/src/box/alter.cc
>> +++ b/src/box/alter.cc
>> @@ -3521,6 +3521,11 @@ on_replace_dd_trigger(struct trigger * /* trigger */, void *event)
>> 		uint32_t space_id =
>> 			tuple_field_u32_xc(old_tuple,
>> 					   BOX_TRIGGER_FIELD_SPACE_ID);
>> +		struct space *space = space_by_id(space_id);
>> +		assert(space != NULL);
>> +		access_check_ddl(space->def->name, space->def->id,
>> +				 space->def->uid, SC_SPACE, PRIV_A);
> 
> Why did you check only alter privilege? On drop we should check
> drop privilege, on alter - alter privilege and on creation - creation
> privilege.
> 
> This particular branch processes drop case, so we should use PRIV_D.
> 
>> +
>> 		char *trigger_name =
>> 			(char *)region_alloc_xc(&fiber()->gc,
>> 						trigger_name_len + 1);
>> @@ -3574,6 +3579,10 @@ on_replace_dd_trigger(struct trigger * /* trigger */, void *event)
>> 				  "trigger space_id does not match the value "
>> 				  "resolved on AST building from SQL");
>> 		}
>> +		struct space *space = space_by_id(space_id);
>> +		assert(space != NULL);
>> +		access_check_ddl(space->def->name, space->def->id,
>> +				 space->def->uid, SC_SPACE, PRIV_A);
> 
> And PRIV_C depending on situation.
> 
> The same for _fk_constraint space.
> 
>> @@ -4018,6 +4031,10 @@ on_replace_dd_fk_constraint(struct trigger * /* trigger*/, void *event)
>> 			space_cache_find_xc(fk_def->child_id);
>> 		struct space *parent_space =
>> 			space_cache_find_xc(fk_def->parent_id);
>> +		access_check_ddl(child_space->def->name, child_space->def->id,
>> +				 child_space->def->uid, SC_SPACE, PRIV_A);
>> +		access_check_ddl(parent_space->def->name, parent_space->def->id,
>> +				 parent_space->def->uid, SC_SPACE, PRIV_A);
>> 		struct fkey *old_fkey =
>> 			fkey_grab_by_name(&child_space->child_fkey,
>> 					  fk_def->name);
> 
> Please, add tests on these cases.
> 
>