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MDEV-12182 Add Client TCP Port Number to MySQL Audit Plugin Logs

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In environments with load balancers or proxies, the audit plugin logs
only the IP address, making it difficult to differentiate individual client
connections from the same IP.

Add a new 'port' field to the appropriate event objects to capture the
client's TCP port number. Populate the port field with thd->port  in the
appropriate functions. The audit plugin receives and logs this port field
along  with  other connection information, enabling better identification
of individual client connections.

All new code of the whole pull request, including one or several files that
are either new files or modified ones, are contributed under the BSD-new license.
I am contributing on behalf of my employer Amazon Web Services, Inc.
This commit is contained in:
Hashim Syed
2024-06-04 23:58:37 +00:00
committed by Sergei Golubchik
parent c1f2b5a141
commit 1aba30b8f9
7 changed files with 455 additions and 422 deletions
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6
mysql-test/suite/plugins/t/thread_pool_server_audit.test
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@@ -27,7 +27,7 @@ connection default;
--sleep 2
set global server_audit_incl_users='odin, dva, tri';
create table t1 (id int);
set global server_audit_incl_users='odin, root, dva, tri';
set global server_audit_incl_users='odin, root, dva, tri';
create table t2 (id int);
set global server_audit_excl_users='odin, dva, tri';
insert into t1 values (1), (2);
@@ -144,8 +144,8 @@ uninstall plugin server_audit;
--enable_ps2_protocol
let $MYSQLD_DATADIR= `SELECT @@datadir`;
# replace the timestamp and the hostname with constant values
--replace_regex /[0-9]* [0-9][0-9]:[0-9][0-9]:[0-9][0-9]\,[^,]*\,/TIME,HOSTNAME,/ /\,[1-9][0-9]*\,/,1,/ /\,[1-9][0-9]*/,ID/
# replace the timestamp, hostname, and port number with constant values
--replace_regex /[0-9]* [0-9][0-9]:[0-9][0-9]:[0-9][0-9]\,[^,]*\,/TIME,HOSTNAME,/ /\,[1-9][0-9]*\,/,1,/ /\,[1-9][0-9]*/,ID/ /,localhost:([0-9]+|unavailable)/,localhost:port/
cat_file $MYSQLD_DATADIR/server_audit.log;
remove_file $MYSQLD_DATADIR/server_audit.log;