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flush status;
flush hosts;
flush user_resources;
flush privileges;
select `User`, `Host` from mysql.`user` where `host` like '%\\%%';
User Host
select `User`, `Host` from mysql.`user` where `user` like '192.%';
User Host
select `User`, `Host` from mysql.`user` where `user` like '2001:%';
User Host
select `User`, `Host` from mysql.`user` where `user` like 'santa.claus.%';
User Host
CREATE USER 'plug'@'santa.claus.ipv4.example.com'
IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
CREATE USER 'plug_dest'@'santa.claus.ipv4.example.com'
IDENTIFIED BY 'plug_test_passwd';
GRANT SELECT ON test.* TO 'plug_dest'@'santa.claus.ipv4.example.com';
connect con1,"127.0.0.1",root,,test,$MASTER_MYPORT,;
select "Con1 is alive";
Con1 is alive
Con1 is alive
select current_user();
current_user()
root@localhost
disconnect con1;
connection default;
set global debug_dbug= "+d,vio_peer_addr_fake_ipv4,getnameinfo_fake_ipv4,getaddrinfo_fake_good_ipv4";
uninstall plugin test_plugin_server;
ERROR HY000: Plugin 'test_plugin_server' is not loaded
connection default;
"Dumping performance_schema.host_cache"
IP 192.0.2.4
HOST santa.claus.ipv4.example.com
HOST_VALIDATED YES
SUM_CONNECT_ERRORS 0
COUNT_HOST_BLOCKED_ERRORS 0
COUNT_NAMEINFO_TRANSIENT_ERRORS 0
COUNT_NAMEINFO_PERMANENT_ERRORS 0
COUNT_FORMAT_ERRORS 0
COUNT_ADDRINFO_TRANSIENT_ERRORS 0
COUNT_ADDRINFO_PERMANENT_ERRORS 0
COUNT_FCRDNS_ERRORS 0
COUNT_HOST_ACL_ERRORS 0
COUNT_NO_AUTH_PLUGIN_ERRORS 1
COUNT_AUTH_PLUGIN_ERRORS 1
COUNT_HANDSHAKE_ERRORS 0
COUNT_PROXY_USER_ERRORS 0
COUNT_PROXY_USER_ACL_ERRORS 0
COUNT_AUTHENTICATION_ERRORS 0
COUNT_SSL_ERRORS 0
COUNT_MAX_USER_CONNECTIONS_ERRORS 0
COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS 0
COUNT_DEFAULT_DATABASE_ERRORS 0
COUNT_INIT_CONNECT_ERRORS 0
COUNT_LOCAL_ERRORS 0
COUNT_UNKNOWN_ERRORS 0
FIRST_ERROR_SEEN set
LAST_ERROR_SEEN set
ERROR HY000: Plugin 'test_plugin_server' is not loaded
connection default;
"Dumping performance_schema.host_cache"
IP 192.0.2.4
HOST santa.claus.ipv4.example.com
HOST_VALIDATED YES
SUM_CONNECT_ERRORS 0
COUNT_HOST_BLOCKED_ERRORS 0
COUNT_NAMEINFO_TRANSIENT_ERRORS 0
COUNT_NAMEINFO_PERMANENT_ERRORS 0
COUNT_FORMAT_ERRORS 0
COUNT_ADDRINFO_TRANSIENT_ERRORS 0
COUNT_ADDRINFO_PERMANENT_ERRORS 0
COUNT_FCRDNS_ERRORS 0
COUNT_HOST_ACL_ERRORS 0
COUNT_NO_AUTH_PLUGIN_ERRORS 2
COUNT_AUTH_PLUGIN_ERRORS 2
COUNT_HANDSHAKE_ERRORS 0
COUNT_PROXY_USER_ERRORS 0
COUNT_PROXY_USER_ACL_ERRORS 0
COUNT_AUTHENTICATION_ERRORS 0
COUNT_SSL_ERRORS 0
COUNT_MAX_USER_CONNECTIONS_ERRORS 0
COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS 0
COUNT_DEFAULT_DATABASE_ERRORS 0
COUNT_INIT_CONNECT_ERRORS 0
COUNT_LOCAL_ERRORS 0
COUNT_UNKNOWN_ERRORS 0
FIRST_ERROR_SEEN set
LAST_ERROR_SEEN set
install plugin test_plugin_server soname 'PLUGIN_AUTH';
ERROR 28000: Access denied for user 'plug'@'santa.claus.ipv4.example.com' (using password: YES)
connection default;
"Dumping performance_schema.host_cache"
IP 192.0.2.4
HOST santa.claus.ipv4.example.com
HOST_VALIDATED YES
SUM_CONNECT_ERRORS 0
COUNT_HOST_BLOCKED_ERRORS 0
COUNT_NAMEINFO_TRANSIENT_ERRORS 0
COUNT_NAMEINFO_PERMANENT_ERRORS 0
COUNT_FORMAT_ERRORS 0
COUNT_ADDRINFO_TRANSIENT_ERRORS 0
COUNT_ADDRINFO_PERMANENT_ERRORS 0
COUNT_FCRDNS_ERRORS 0
COUNT_HOST_ACL_ERRORS 0
COUNT_NO_AUTH_PLUGIN_ERRORS 2
COUNT_AUTH_PLUGIN_ERRORS 2
COUNT_HANDSHAKE_ERRORS 0
COUNT_PROXY_USER_ERRORS 1
COUNT_PROXY_USER_ACL_ERRORS 0
COUNT_AUTHENTICATION_ERRORS 0
COUNT_SSL_ERRORS 0
COUNT_MAX_USER_CONNECTIONS_ERRORS 0
COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS 0
COUNT_DEFAULT_DATABASE_ERRORS 0
COUNT_INIT_CONNECT_ERRORS 0
COUNT_LOCAL_ERRORS 0
COUNT_UNKNOWN_ERRORS 0
FIRST_ERROR_SEEN set
LAST_ERROR_SEEN set
ERROR 28000: Access denied for user 'plug'@'santa.claus.ipv4.example.com' (using password: YES)
connection default;
"Dumping performance_schema.host_cache"
IP 192.0.2.4
HOST santa.claus.ipv4.example.com
HOST_VALIDATED YES
SUM_CONNECT_ERRORS 0
COUNT_HOST_BLOCKED_ERRORS 0
COUNT_NAMEINFO_TRANSIENT_ERRORS 0
COUNT_NAMEINFO_PERMANENT_ERRORS 0
COUNT_FORMAT_ERRORS 0
COUNT_ADDRINFO_TRANSIENT_ERRORS 0
COUNT_ADDRINFO_PERMANENT_ERRORS 0
COUNT_FCRDNS_ERRORS 0
COUNT_HOST_ACL_ERRORS 0
COUNT_NO_AUTH_PLUGIN_ERRORS 2
COUNT_AUTH_PLUGIN_ERRORS 2
COUNT_HANDSHAKE_ERRORS 0
COUNT_PROXY_USER_ERRORS 2
COUNT_PROXY_USER_ACL_ERRORS 0
COUNT_AUTHENTICATION_ERRORS 0
COUNT_SSL_ERRORS 0
COUNT_MAX_USER_CONNECTIONS_ERRORS 0
COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS 0
COUNT_DEFAULT_DATABASE_ERRORS 0
COUNT_INIT_CONNECT_ERRORS 0
COUNT_LOCAL_ERRORS 0
COUNT_UNKNOWN_ERRORS 0
FIRST_ERROR_SEEN set
LAST_ERROR_SEEN set
GRANT PROXY ON 'plug_dest'@'santa.claus.ipv4.example.com'
TO 'plug'@'santa.claus.ipv4.example.com';
connect con4,"127.0.0.1",plug,plug_dest,test,$MASTER_MYPORT,,,auth_test_plugin;
select "Con4 is alive";
Con4 is alive
Con4 is alive
select user();
user()
plug@santa.claus.ipv4.example.com
select current_user();
current_user()
plug_dest@santa.claus.ipv4.example.com
disconnect con4;
connection default;
"Dumping performance_schema.host_cache"
IP 192.0.2.4
HOST santa.claus.ipv4.example.com
HOST_VALIDATED YES
SUM_CONNECT_ERRORS 0
COUNT_HOST_BLOCKED_ERRORS 0
COUNT_NAMEINFO_TRANSIENT_ERRORS 0
COUNT_NAMEINFO_PERMANENT_ERRORS 0
COUNT_FORMAT_ERRORS 0
COUNT_ADDRINFO_TRANSIENT_ERRORS 0
COUNT_ADDRINFO_PERMANENT_ERRORS 0
COUNT_FCRDNS_ERRORS 0
COUNT_HOST_ACL_ERRORS 0
COUNT_NO_AUTH_PLUGIN_ERRORS 2
COUNT_AUTH_PLUGIN_ERRORS 2
COUNT_HANDSHAKE_ERRORS 0
COUNT_PROXY_USER_ERRORS 2
COUNT_PROXY_USER_ACL_ERRORS 0
COUNT_AUTHENTICATION_ERRORS 0
COUNT_SSL_ERRORS 0
COUNT_MAX_USER_CONNECTIONS_ERRORS 0
COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS 0
COUNT_DEFAULT_DATABASE_ERRORS 0
COUNT_INIT_CONNECT_ERRORS 0
COUNT_LOCAL_ERRORS 0
COUNT_UNKNOWN_ERRORS 0
FIRST_ERROR_SEEN set
LAST_ERROR_SEEN set
REVOKE ALL PRIVILEGES ON *.* FROM 'plug_dest'@'santa.claus.ipv4.example.com';
REVOKE PROXY ON 'plug_dest'@'santa.claus.ipv4.example.com'
FROM 'plug'@'santa.claus.ipv4.example.com';
DROP USER 'plug'@'santa.claus.ipv4.example.com';
DROP USER 'plug_dest'@'santa.claus.ipv4.example.com';
set global debug_dbug= default;
delete from mysql.plugin where name='test_plugin_server';
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