policy_module(mysql, 1.22.3)

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

## <desc>
##	<p>
##	Determine whether mysqld can
##	connect to all TCP ports.
##	</p>
## </desc>
gen_tunable(mysql_connect_any, false)

attribute_role mysqld_roles;

type mysqld_t;
type mysqld_exec_t;
init_daemon_domain(mysqld_t, mysqld_exec_t)
application_domain(mysqld_t, mysqld_exec_t)
role mysqld_roles types mysqld_t;

type mysqld_db_t;
files_type(mysqld_db_t)

type mysqld_etc_t;
files_config_file(mysqld_etc_t)

type mysqld_home_t;
userdom_user_home_content(mysqld_home_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_runtime_t alias mysqld_var_run_t;
files_runtime_file(mysqld_runtime_t)
init_daemon_runtime_file(mysqld_runtime_t, dir, "mysqld")

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

type mysqld_tmp_t;
files_tmp_file(mysqld_tmp_t)

type mysqld_unit_t;
init_unit_file(mysqld_unit_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_runtime_t alias mysqlmanagerd_var_run_t;
files_runtime_file(mysqlmanagerd_runtime_t)

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

allow mysqld_t self:capability { dac_override dac_read_search ipc_lock setgid setuid sys_resource };
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 { connectto accept listen };
allow mysqld_t self:tcp_socket { accept listen };

manage_dirs_pattern(mysqld_t, mysqld_db_t, mysqld_db_t)
mmap_manage_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 })

filetrans_pattern(mysqld_t, mysqld_db_t, mysqld_runtime_t, sock_file)

allow mysqld_t mysqld_etc_t:dir list_dir_perms;
allow mysqld_t { mysqld_etc_t mysqld_home_t }:file read_file_perms;
allow mysqld_t mysqld_etc_t:lnk_file read_lnk_file_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)
logging_log_filetrans(mysqld_t, mysqld_log_t, { dir file })

manage_dirs_pattern(mysqld_t, mysqld_tmp_t, mysqld_tmp_t)
mmap_manage_files_pattern(mysqld_t, mysqld_tmp_t, mysqld_tmp_t)
files_tmp_filetrans(mysqld_t, mysqld_tmp_t, { file dir })

manage_dirs_pattern(mysqld_t, mysqld_runtime_t, mysqld_runtime_t)
manage_files_pattern(mysqld_t, mysqld_runtime_t, mysqld_runtime_t)
manage_sock_files_pattern(mysqld_t, mysqld_runtime_t, mysqld_runtime_t)
files_runtime_filetrans(mysqld_t, mysqld_runtime_t, { dir file sock_file })

kernel_read_kernel_sysctls(mysqld_t)
kernel_read_network_state(mysqld_t)
kernel_read_system_state(mysqld_t)
kernel_read_vm_sysctls(mysqld_t)
kernel_read_vm_overcommit_sysctl(mysqld_t)

corenet_all_recvfrom_netlabel(mysqld_t)
corenet_tcp_sendrecv_generic_if(mysqld_t)
corenet_tcp_sendrecv_generic_node(mysqld_t)
corenet_tcp_bind_generic_node(mysqld_t)

corenet_sendrecv_mysqld_server_packets(mysqld_t)
corenet_tcp_bind_mysqld_port(mysqld_t)
corenet_sendrecv_mysqld_client_packets(mysqld_t)
corenet_tcp_connect_mysqld_port(mysqld_t)

corecmd_exec_bin(mysqld_t)
corecmd_exec_shell(mysqld_t)

dev_read_sysfs(mysqld_t)
dev_read_urand(mysqld_t)

domain_use_interactive_fds(mysqld_t)

fs_getattr_all_fs(mysqld_t)
fs_search_auto_mountpoints(mysqld_t)
fs_search_tmpfs(mysqld_t)
fs_rw_hugetlbfs_files(mysqld_t)

files_read_etc_runtime_files(mysqld_t)
files_read_usr_files(mysqld_t)

auth_use_nsswitch(mysqld_t)

logging_send_syslog_msg(mysqld_t)

miscfiles_read_generic_certs(mysqld_t)
miscfiles_read_localization(mysqld_t)

userdom_search_user_home_dirs(mysqld_t)
userdom_dontaudit_use_unpriv_user_fds(mysqld_t)

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

optional_policy(`
	daemontools_service_domain(mysqld_t, mysqld_exec_t)
')

optional_policy(`
	seutil_sigchld_newrole(mysqld_t)
')

#######################################
#
# Safe local policy
#

allow mysqld_safe_t self:capability { chown dac_override fowner kill };
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 { signull sigkill };

read_lnk_files_pattern(mysqld_safe_t, mysqld_db_t, mysqld_db_t)
manage_files_pattern(mysqld_safe_t, mysqld_db_t, mysqld_db_t)

allow mysqld_safe_t mysqld_etc_t:dir list_dir_perms;
allow mysqld_safe_t { mysqld_etc_t mysqld_home_t }:file read_file_perms;
allow mysqld_safe_t mysqld_etc_t:lnk_file read_lnk_file_perms;

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_runtime_t, mysqld_runtime_t)
delete_sock_files_pattern(mysqld_safe_t, { mysqld_db_t mysqld_runtime_t }, mysqld_runtime_t)

domtrans_pattern(mysqld_safe_t, mysqld_exec_t, mysqld_t)

kernel_read_system_state(mysqld_safe_t)
kernel_read_kernel_sysctls(mysqld_safe_t)

corecmd_exec_bin(mysqld_safe_t)
corecmd_exec_shell(mysqld_safe_t)

dev_read_sysfs(mysqld_safe_t)

domain_read_all_domains_state(mysqld_safe_t)

files_read_etc_files(mysqld_safe_t)
files_read_usr_files(mysqld_safe_t)
files_search_runtime(mysqld_safe_t)
files_dontaudit_getattr_all_dirs(mysqld_safe_t)
files_dontaudit_search_all_mountpoints(mysqld_safe_t)

logging_send_syslog_msg(mysqld_safe_t)

miscfiles_read_localization(mysqld_safe_t)

userdom_search_user_home_dirs(mysqld_safe_t)

optional_policy(`
	hostname_exec(mysqld_safe_t)
')

########################################
#
# Manager local policy
#

allow mysqlmanagerd_t self:capability { dac_override 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;

allow mysqlmanagerd_t mysqld_t:process signal;

allow mysqlmanagerd_t mysqld_etc_t:dir list_dir_perms;
allow mysqlmanagerd_t { mysqld_etc_t mysqld_home_t }:file read_file_perms;
allow mysqlmanagerd_t mysqld_etc_t:lnk_file read_lnk_file_perms;

domtrans_pattern(mysqlmanagerd_t, mysqld_exec_t, mysqld_t)

manage_files_pattern(mysqlmanagerd_t, mysqld_runtime_t, mysqlmanagerd_runtime_t)
manage_sock_files_pattern(mysqlmanagerd_t, mysqld_runtime_t, mysqlmanagerd_runtime_t)
filetrans_pattern(mysqlmanagerd_t, mysqld_runtime_t, mysqlmanagerd_runtime_t, { file sock_file })

stream_connect_pattern(mysqlmanagerd_t, { mysqld_db_t mysqld_runtime_t }, mysqld_runtime_t, mysqld_t)

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_bind_generic_node(mysqlmanagerd_t)

corenet_sendrecv_mysqlmanagerd_server_packets(mysqlmanagerd_t)
corenet_tcp_bind_mysqlmanagerd_port(mysqlmanagerd_t)
corenet_sendrecv_mysqlmanagerd_client_packets(mysqlmanagerd_t)
corenet_tcp_connect_mysqlmanagerd_port(mysqlmanagerd_t)

dev_read_urand(mysqlmanagerd_t)

files_read_etc_files(mysqlmanagerd_t)
files_read_usr_files(mysqlmanagerd_t)
files_search_runtime(mysqlmanagerd_t)
files_search_var_lib(mysqlmanagerd_t)

miscfiles_read_localization(mysqlmanagerd_t)

userdom_search_user_home_dirs(mysqlmanagerd_t)