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When reusing an existing WAL receiver after it has reached WALRCV_WAITING for new instructions, RequestXLogStreaming() copied PrimaryConnInfo into WalRcv->conninfo before switching the state to WALRCV_RESTARTING. At that point ready_to_display could still be true, so pg_stat_wal_receiver could expose the raw connection string, including sensitive fields, but it should only show the user-displayable version of the connection string. WALRCV_RESTARTING does not establish a new connection. The waiting WAL receiver reuses its existing connection and only needs a new startpoint and timeline, so there is no need to copy the raw connection string into shared memory again. Let's only copy conninfo when launching a new WAL receiver after WALRCV_STOPPED, not while waiting for instructions. This commit adds coverage for the case fixed by this commit to the timeline-switch test by verifying that the WAL receiver conninfo remains consistent across the jump. Backpatch all the way down, as this issue is possible since pg_stat_wal_receiver has been introduced. Author: Chao Li <li.evan.chao@gmail.com> Reviewed-by: Michael Paquier <michael@paquier.xyz> Discussion: https://postgr.es/m/EF91FF76-1E2B-4F3B-9162-290B4DC517FF@gmail.com Backpatch-through: 14 |
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| authentication | ||
| examples | ||
| icu | ||
| isolation | ||
| kerberos | ||
| ldap | ||
| locale | ||
| mb | ||
| modules | ||
| perl | ||
| postmaster | ||
| recovery | ||
| regress | ||
| ssl | ||
| subscription | ||
| Makefile | ||
| README | ||
PostgreSQL tests ================ This directory contains a variety of test infrastructure as well as some of the tests in PostgreSQL. Not all tests are here -- in particular, there are more in individual contrib/ modules and in src/bin. Not all these tests get run by "make check". Check src/test/Makefile to see which tests get run automatically. authentication/ Tests for authentication (but see also below) examples/ Demonstration programs for libpq that double as regression tests via "make check" isolation/ Tests for concurrent behavior at the SQL level kerberos/ Tests for Kerberos/GSSAPI authentication and encryption ldap/ Tests for LDAP-based authentication locale/ Sanity checks for locale data, encodings, etc mb/ Tests for multibyte encoding (UTF-8) support modules/ Extensions used only or mainly for test purposes, generally not suitable for installing in production databases perl/ Infrastructure for Perl-based TAP tests recovery/ Test suite for recovery and replication regress/ PostgreSQL's main regression test suite, pg_regress ssl/ Tests to exercise and verify SSL certificate handling subscription/ Tests for logical replication