mysql.te

policy_module(mysql, 1.14.1)

########################################
#
# Declarations
#

## <desc>
## <p>
## Allow mysqld to connect to all ports
## </p>
## </desc>
gen_tunable(mysql_connect_any, false)

## <desc>
## <p>
## Allow mysqld to connect to http port
## </p>
## </desc>
gen_tunable(mysql_connect_http, false)

type mysqld_t;
type mysqld_exec_t;
init_daemon_domain(mysqld_t, mysqld_exec_t)
init_nnp_daemon_domain(mysqld_t)

type mysqld_safe_t;
type mysqld_safe_exec_t;
init_daemon_domain(mysqld_safe_t, mysqld_safe_exec_t)

type mysqld_var_run_t;
files_pid_file(mysqld_var_run_t)

type mysqld_db_t;
files_type(mysqld_db_t)

type mysqld_etc_t alias etc_mysqld_t;
files_config_file(mysqld_etc_t)

type mysqld_home_t;
userdom_user_home_content(mysqld_home_t)

type mysqld_unit_file_t;
systemd_unit_file(mysqld_unit_file_t)

type mysqld_initrc_exec_t;
init_script_file(mysqld_initrc_exec_t)

type mysqld_log_t;
logging_log_file(mysqld_log_t)

type mysqld_tmp_t;
files_tmp_file(mysqld_tmp_t)

type mysqlmanagerd_t;
type mysqlmanagerd_exec_t;
init_daemon_domain(mysqlmanagerd_t, mysqlmanagerd_exec_t)

type mysqlmanagerd_initrc_exec_t;
init_script_file(mysqlmanagerd_initrc_exec_t)

type mysqlmanagerd_var_run_t;
files_pid_file(mysqlmanagerd_var_run_t)

########################################
#
# Local policy
#

allow mysqld_t self:capability { dac_read_search  ipc_lock sys_nice sys_resource net_bind_service };
dontaudit mysqld_t self:capability sys_tty_config;
allow mysqld_t self:process { setsched getsched setrlimit signal_perms rlimitinh };
allow mysqld_t self:fifo_file rw_fifo_file_perms;
allow mysqld_t self:shm create_shm_perms;
allow mysqld_t self:unix_stream_socket create_stream_socket_perms;
allow mysqld_t self:tcp_socket create_stream_socket_perms;
allow mysqld_t self:udp_socket create_socket_perms;

manage_dirs_pattern(mysqld_t, mysqld_db_t, mysqld_db_t)
manage_files_pattern(mysqld_t, mysqld_db_t, mysqld_db_t)
manage_sock_files_pattern(mysqld_t, mysqld_db_t, mysqld_db_t)
manage_lnk_files_pattern(mysqld_t, mysqld_db_t, mysqld_db_t)
files_var_lib_filetrans(mysqld_t, mysqld_db_t, { dir file lnk_file })
allow mysqld_t mysqld_db_t:file map;

allow mysqld_t mysqld_etc_t:file read_file_perms;
allow mysqld_t mysqld_etc_t:lnk_file read_lnk_file_perms;
allow mysqld_t mysqld_etc_t:dir list_dir_perms;

manage_dirs_pattern(mysqld_t, mysqld_log_t, mysqld_log_t)
manage_files_pattern(mysqld_t, mysqld_log_t, mysqld_log_t)
manage_lnk_files_pattern(mysqld_t, mysqld_log_t, mysqld_log_t)
manage_fifo_files_pattern(mysqld_t, mysqld_log_t, mysqld_log_t)
logging_log_filetrans(mysqld_t, mysqld_log_t, { dir file })

manage_dirs_pattern(mysqld_t, mysqld_tmp_t, mysqld_tmp_t)
manage_files_pattern(mysqld_t, mysqld_tmp_t, mysqld_tmp_t)
files_tmp_filetrans(mysqld_t, mysqld_tmp_t, { file dir })
allow mysqld_t mysqld_tmp_t:file map;

manage_dirs_pattern(mysqld_t, mysqld_var_run_t, mysqld_var_run_t)
manage_files_pattern(mysqld_t, mysqld_var_run_t, mysqld_var_run_t)
manage_sock_files_pattern(mysqld_t, mysqld_var_run_t, mysqld_var_run_t)
files_pid_filetrans(mysqld_t, mysqld_var_run_t, { dir file sock_file })

kernel_read_kernel_sysctls(mysqld_t)
kernel_read_net_sysctls(mysqld_t)
kernel_read_network_state(mysqld_t)
kernel_read_system_state(mysqld_t)

can_exec(mysqld_t, mysqld_exec_t)

corecmd_exec_bin(mysqld_t)
corecmd_exec_shell(mysqld_t)

corenet_all_recvfrom_netlabel(mysqld_t)
corenet_tcp_sendrecv_generic_if(mysqld_t)
corenet_udp_sendrecv_generic_if(mysqld_t)
corenet_tcp_sendrecv_generic_node(mysqld_t)
corenet_udp_sendrecv_generic_node(mysqld_t)
corenet_tcp_sendrecv_all_ports(mysqld_t)
corenet_udp_sendrecv_all_ports(mysqld_t)
corenet_tcp_bind_generic_node(mysqld_t)
corenet_tcp_bind_mysqld_port(mysqld_t)
corenet_tcp_bind_tram_port(mysqld_t)
corenet_tcp_connect_mysqld_port(mysqld_t)
corenet_tcp_connect_tram_port(mysqld_t)
corenet_sendrecv_mysqld_client_packets(mysqld_t)
corenet_sendrecv_mysqld_server_packets(mysqld_t)

# Needed for Updating a database between major
# versions that is run on a galera cluster
corenet_tcp_bind_kerberos_port(mysqld_t)
corenet_tcp_bind_all_unreserved_ports(mysqld_t)
corenet_tcp_connect_all_unreserved_ports(mysqld_t)

dev_read_sysfs(mysqld_t)
dev_read_urand(mysqld_t)

domain_read_all_domains_state(mysqld_t)
domain_use_interactive_fds(mysqld_t)

fs_getattr_all_fs(mysqld_t)
fs_rw_hugetlbfs_files(mysqld_t)
fs_search_auto_mountpoints(mysqld_t)
# Allow mysqld_t to read and write to memory.pressure file in cgroup
fs_read_cgroup_files(mysqld_t)
fs_write_cgroup_files(mysqld_t)

files_getattr_all_sockets(mysqld_t)
files_getattr_var_lib_dirs(mysqld_t)
files_read_etc_runtime_files(mysqld_t)
files_search_pids(mysqld_t)
files_search_var_lib(mysqld_t)

ifdef(`distro_redhat',`
	filetrans_pattern(mysqld_t, mysqld_db_t, mysqld_var_run_t, sock_file)
')

tunable_policy(`mysql_connect_any',`
	corenet_tcp_connect_all_ports(mysqld_t)
	corenet_sendrecv_all_client_packets(mysqld_t)
')

tunable_policy(`mysql_connect_http',`
	corenet_tcp_connect_http_port(mysqld_t)
')

# MariaDB's auth_pam_tool runs as chkpwd_t and calls PAM, which
# invokes unix_chkpwd (also chkpwd_exec_t) to verify passwords.
optional_policy(`
	auth_use_pam(mysqld_t)
	allow chkpwd_t chkpwd_exec_t:file execute_no_trans;
')

optional_policy(`
	daemontools_service_domain(mysqld_t, mysqld_exec_t)
')

optional_policy(`
	hostname_exec(mysqld_t)
')

optional_policy(`
	logging_send_syslog_msg(mysqld_t)
')

optional_policy(`
	openshift_search_lib(mysqld_t)
')

optional_policy(`
	rhcs_manage_cluster_pid_files(mysqld_t)
')

optional_policy(`
	rsync_exec(mysqld_t)
')

optional_policy(`
	seutil_sigchld_newrole(mysqld_t)
')

optional_policy(`
	sysnet_read_config(mysqld_t)
	sysnet_domtrans_ifconfig(mysqld_t)
')

optional_policy(`
	udev_read_db(mysqld_t)
')

optional_policy(`
	userdom_dontaudit_use_unpriv_user_fds(mysqld_t)
')

optional_policy(`
	usermanage_read_crack_db(mysqld_t)
')

#######################################
#
# Local mysqld_safe policy
#

# setuig/setgid may be used in mysqld_safe and mysqld_safe_helper
allow mysqld_safe_t self:capability { chown dac_read_search setgid setuid fowner kill sys_nice sys_resource };
dontaudit mysqld_safe_t self:capability sys_ptrace;
allow mysqld_safe_t self:process { setsched getsched setrlimit };
allow mysqld_safe_t self:fifo_file rw_fifo_file_perms;

allow mysqld_safe_t mysqld_t:process { rlimitinh noatsecure };

read_lnk_files_pattern(mysqld_safe_t, mysqld_db_t, mysqld_db_t)
delete_sock_files_pattern(mysqld_safe_t, mysqld_db_t, mysqld_db_t)

domtrans_pattern(mysqld_safe_t, mysqld_exec_t, mysqld_t)

list_dirs_pattern(mysqld_safe_t, mysqld_log_t, mysqld_log_t)
manage_files_pattern(mysqld_safe_t, mysqld_log_t, mysqld_log_t)
manage_lnk_files_pattern(mysqld_safe_t, mysqld_log_t, mysqld_log_t)
logging_log_filetrans(mysqld_safe_t, mysqld_log_t, file)

manage_files_pattern(mysqld_safe_t, mysqld_var_run_t, mysqld_var_run_t)
delete_sock_files_pattern(mysqld_safe_t, mysqld_var_run_t, mysqld_var_run_t)

kernel_read_system_state(mysqld_safe_t)
kernel_read_kernel_sysctls(mysqld_safe_t)

can_exec(mysqld_safe_t, mysqld_safe_exec_t)

corecmd_exec_bin(mysqld_safe_t)
corecmd_exec_shell(mysqld_safe_t)

dev_read_urand(mysqld_safe_t)
dev_list_sysfs(mysqld_safe_t)

domain_read_all_domains_state(mysqld_safe_t)

files_dontaudit_access_check_root(mysqld_safe_t)
files_dontaudit_search_all_mountpoints(mysqld_safe_t)
files_dontaudit_getattr_all_dirs(mysqld_safe_t)

files_write_root_dirs(mysqld_safe_t)

logging_log_filetrans(mysqld_safe_t, mysqld_log_t, file)
logging_send_syslog_msg(mysqld_safe_t)

auth_use_nsswitch(mysqld_safe_t)

domain_dontaudit_signull_all_domains(mysqld_safe_t)

mysql_manage_db_files(mysqld_safe_t)
mysql_read_config(mysqld_safe_t)
mysql_search_pid_files(mysqld_safe_t)
mysql_signull(mysqld_safe_t)
mysql_write_log(mysqld_safe_t)

optional_policy(`
	hostname_exec(mysqld_safe_t)
')

########################################
#
# MySQL Manager Policy
#

allow mysqlmanagerd_t self:capability { dac_read_search  kill };
allow mysqlmanagerd_t self:process signal;
allow mysqlmanagerd_t self:fifo_file rw_fifo_file_perms;
allow mysqlmanagerd_t self:tcp_socket create_stream_socket_perms;
allow mysqlmanagerd_t self:unix_stream_socket create_stream_socket_perms;

mysql_read_config(initrc_t)
mysql_read_config(mysqlmanagerd_t)
mysql_read_pid_files(mysqlmanagerd_t)
mysql_search_db(mysqlmanagerd_t)
mysql_signal(mysqlmanagerd_t)
mysql_stream_connect(mysqlmanagerd_t)

domtrans_pattern(mysqlmanagerd_t, mysqld_exec_t, mysqld_t)

manage_files_pattern(mysqlmanagerd_t, mysqld_var_run_t, mysqlmanagerd_var_run_t)
manage_sock_files_pattern(mysqlmanagerd_t, mysqld_var_run_t, mysqlmanagerd_var_run_t)
filetrans_pattern(mysqlmanagerd_t, mysqld_var_run_t, mysqlmanagerd_var_run_t, { file sock_file })

kernel_read_system_state(mysqlmanagerd_t)

corecmd_exec_shell(mysqlmanagerd_t)

corenet_all_recvfrom_netlabel(mysqlmanagerd_t)
corenet_tcp_sendrecv_generic_if(mysqlmanagerd_t)
corenet_tcp_sendrecv_generic_node(mysqlmanagerd_t)
corenet_tcp_sendrecv_all_ports(mysqlmanagerd_t)
corenet_tcp_bind_generic_node(mysqlmanagerd_t)
corenet_tcp_bind_mysqlmanagerd_port(mysqlmanagerd_t)
corenet_tcp_connect_mysqlmanagerd_port(mysqlmanagerd_t)
corenet_sendrecv_mysqlmanagerd_server_packets(mysqlmanagerd_t)
corenet_sendrecv_mysqlmanagerd_client_packets(mysqlmanagerd_t)

dev_read_urand(mysqlmanagerd_t)

userdom_getattr_user_home_dirs(mysqlmanagerd_t)