nss

getpwnam    SELECT login_name,'x',user_id+'10000',user_id+'10000','Joe User',CONCAT('/home/',login_name),'/bin/bash' \
            FROM user \
            WHERE login_name='%1$s' \
            LIMIT 1
getpwuid    SELECT login_name,'x',user_id+'10000',user_id+'10000','Joe User',CONCAT('/home/',login_name),'/bin/bash' \
            FROM user \
            WHERE user_id='%1$u'-10000 \
            LIMIT 1
getspnam    SELECT login_name,password,'','','','','','','' \
            FROM user \
            WHERE login_name='%1$s' \
            LIMIT 1
getpwent    SELECT login_name,'x',user_id+'10000',user_id+'10000','Joe User',CONCAT('/home/',login_name),'/bin/bash' \
            FROM user
getspent    SELECT login_name,password,'','','','','','','' \
            FROM user
getgrnam    SELECT name,password,gid \
            FROM groups \
            WHERE name='%1$s' \
            LIMIT 1
getgrgid    SELECT name,password,gid \
            FROM groups \
            WHERE gid='%1$u' \
            LIMIT 1
getgrent    SELECT name,password,gid \
            FROM groups
memsbygid   SELECT username \
            FROM grouplist \
            WHERE gid='%1$u'
gidsbymem   SELECT gid \
            FROM grouplist \
            WHERE username='%1$s'

host        localhost
database    user_db
username    root
password    Abc1234567@@
socket       /var/run/mysqld/mysqld.sock
port        3306