Unprivileged user is no longer able to see their own context variables in
MON$CONTEXT_VARIABLES
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Key: CORE-6375
URL: http://tracker.firebirdsql.org/browse/CORE-6375
Project: Firebird Core
Issue Type: Bug
Components: Engine, Security
Affects Versions: 4.0 Beta 2
Environment: Firebird-4.0.0.2126-0_x64 on WIndows 10
Reporter: Mark Rotteveel
An unprivileged user (as in: newly created, nothing explicitly granted), is
unable to see their own context variables in MON$CONTEXT_VARIABLES.
Steps to reproduce:
1. As SYSDBA create a new user:
create user someuser password 'somepassword';
2. Connect to a database with that user:
connect 'localhost:e:/db/somedatabase.fdb' user someuser password
'somepassword';
3. Add a context variable
select rdb$set_context('USER_SESSION', 'owned_by_someuser', 'true') from
rdb$database;
4. Query MON$CONTEXT_VARIABLES
select mon$attachment_id, mon$transaction_id, mon$variable_name,
mon$variable_value from mon$context_variables;
Expected: 1 row with variable name 'owned_by_someuser' and value 'true'
Actual behaviour: no row shown
Firebird 3.0.6 behaves as expected.
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