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de4d456b40
Mainly move some detail from errmsg to errdetail, remove explicit mention of superuser where appropriate, since that is implied in most permission checks, and make messages more uniform. Author: Nathan Bossart <nathandbossart@gmail.com> Discussion: https://www.postgresql.org/message-id/20230316234701.GA903298@nathanxps13
135 lines
3.9 KiB
Plaintext
135 lines
3.9 KiB
Plaintext
-- predictability
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SET synchronous_commit = on;
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-- setup
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CREATE ROLE regress_lr_normal;
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CREATE ROLE regress_lr_superuser SUPERUSER;
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CREATE ROLE regress_lr_replication REPLICATION;
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CREATE TABLE lr_test(data text);
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-- superuser can control replication
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SET ROLE regress_lr_superuser;
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SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
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?column?
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----------
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init
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(1 row)
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INSERT INTO lr_test VALUES('lr_superuser_init');
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SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
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data
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--------------------------------------------------------------
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BEGIN
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table public.lr_test: INSERT: data[text]:'lr_superuser_init'
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COMMIT
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(3 rows)
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SELECT pg_drop_replication_slot('regression_slot');
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pg_drop_replication_slot
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--------------------------
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(1 row)
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RESET ROLE;
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-- replication user can control replication
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SET ROLE regress_lr_replication;
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SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
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?column?
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----------
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init
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(1 row)
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INSERT INTO lr_test VALUES('lr_superuser_init');
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ERROR: permission denied for table lr_test
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SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
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data
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------
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(0 rows)
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SELECT pg_drop_replication_slot('regression_slot');
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pg_drop_replication_slot
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--------------------------
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(1 row)
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RESET ROLE;
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-- plain user *can't* can control replication
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SET ROLE regress_lr_normal;
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SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
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ERROR: permission denied to use replication slots
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DETAIL: Only roles with the REPLICATION attribute may use replication slots.
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INSERT INTO lr_test VALUES('lr_superuser_init');
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ERROR: permission denied for table lr_test
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SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
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ERROR: permission denied to use replication slots
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DETAIL: Only roles with the REPLICATION attribute may use replication slots.
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SELECT pg_drop_replication_slot('regression_slot');
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ERROR: permission denied to use replication slots
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DETAIL: Only roles with the REPLICATION attribute may use replication slots.
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RESET ROLE;
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-- replication users can drop superuser created slots
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SET ROLE regress_lr_superuser;
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SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
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?column?
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----------
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init
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(1 row)
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RESET ROLE;
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SET ROLE regress_lr_replication;
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SELECT pg_drop_replication_slot('regression_slot');
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pg_drop_replication_slot
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--------------------------
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(1 row)
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RESET ROLE;
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-- normal users can't drop existing slots
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SET ROLE regress_lr_superuser;
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SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
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?column?
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----------
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init
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(1 row)
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RESET ROLE;
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SET ROLE regress_lr_normal;
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SELECT pg_drop_replication_slot('regression_slot');
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ERROR: permission denied to use replication slots
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DETAIL: Only roles with the REPLICATION attribute may use replication slots.
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RESET ROLE;
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-- all users can see existing slots
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SET ROLE regress_lr_superuser;
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SELECT slot_name, plugin FROM pg_replication_slots;
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slot_name | plugin
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-----------------+---------------
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regression_slot | test_decoding
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(1 row)
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RESET ROLE;
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SET ROLE regress_lr_replication;
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SELECT slot_name, plugin FROM pg_replication_slots;
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slot_name | plugin
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-----------------+---------------
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regression_slot | test_decoding
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(1 row)
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RESET ROLE;
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SET ROLE regress_lr_normal;
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SELECT slot_name, plugin FROM pg_replication_slots;
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slot_name | plugin
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-----------------+---------------
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regression_slot | test_decoding
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(1 row)
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RESET ROLE;
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-- cleanup
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SELECT pg_drop_replication_slot('regression_slot');
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pg_drop_replication_slot
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--------------------------
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(1 row)
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DROP ROLE regress_lr_normal;
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DROP ROLE regress_lr_superuser;
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DROP ROLE regress_lr_replication;
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DROP TABLE lr_test;
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