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//usr/share/mysql/SELinux/RHEL4/mysql.te

# Copyright (C) 2007 MySQL AB
# Use is subject to license terms
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA

policy_module(mysql,1.0.0)

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

type mysqld_t;
type mysqld_exec_t;
init_daemon_domain(mysqld_t,mysqld_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_log_t;
logging_log_file(mysqld_log_t)

type mysqld_tmp_t;
files_tmp_file(mysqld_tmp_t)

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

allow mysqld_t self:capability { dac_override setgid setuid 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 { read write };
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;

allow mysqld_t mysqld_db_t:dir create_dir_perms;
allow mysqld_t mysqld_db_t:file create_file_perms;
allow mysqld_t mysqld_db_t:lnk_file create_lnk_perms;
files_var_lib_filetrans(mysqld_t,mysqld_db_t,{ dir file })

allow mysqld_t mysqld_etc_t:file { getattr read };
allow mysqld_t mysqld_etc_t:lnk_file { getattr read };
allow mysqld_t mysqld_etc_t:dir list_dir_perms;

allow mysqld_t mysqld_log_t:file create_file_perms;
logging_log_filetrans(mysqld_t,mysqld_log_t,file)

allow mysqld_t mysqld_tmp_t:dir create_dir_perms;
allow mysqld_t mysqld_tmp_t:file create_file_perms;
files_tmp_filetrans(mysqld_t, mysqld_tmp_t, { file dir })

allow mysqld_t mysqld_var_run_t:dir rw_dir_perms;
allow mysqld_t mysqld_var_run_t:sock_file create_file_perms;
allow mysqld_t mysqld_var_run_t:file create_file_perms;
files_pid_filetrans(mysqld_t,mysqld_var_run_t,file)

kernel_read_system_state(mysqld_t)
kernel_read_kernel_sysctls(mysqld_t)

corenet_non_ipsec_sendrecv(mysqld_t)
corenet_tcp_sendrecv_all_if(mysqld_t)
corenet_udp_sendrecv_all_if(mysqld_t)
corenet_tcp_sendrecv_all_nodes(mysqld_t)
corenet_udp_sendrecv_all_nodes(mysqld_t)
corenet_tcp_sendrecv_all_ports(mysqld_t)
corenet_udp_sendrecv_all_ports(mysqld_t)
corenet_tcp_bind_all_nodes(mysqld_t)
corenet_tcp_bind_mysqld_port(mysqld_t)
corenet_tcp_connect_mysqld_port(mysqld_t)
corenet_sendrecv_mysqld_client_packets(mysqld_t)
corenet_sendrecv_mysqld_server_packets(mysqld_t)

dev_read_sysfs(mysqld_t)

fs_getattr_all_fs(mysqld_t)
fs_search_auto_mountpoints(mysqld_t)

term_dontaudit_use_console(mysqld_t)

domain_use_interactive_fds(mysqld_t)

files_getattr_var_lib_dirs(mysqld_t)
files_read_etc_runtime_files(mysqld_t)
files_read_etc_files(mysqld_t)
files_read_usr_files(mysqld_t)
files_search_var_lib(mysqld_t)

auth_use_nsswitch(mysqld_t)

init_use_fds(mysqld_t)
init_use_script_ptys(mysqld_t)

libs_use_ld_so(mysqld_t)
libs_use_shared_libs(mysqld_t)

logging_send_syslog_msg(mysqld_t)

miscfiles_read_localization(mysqld_t)

sysnet_read_config(mysqld_t)

userdom_dontaudit_use_unpriv_user_fds(mysqld_t)
# for /root/.my.cnf - should not be needed:
userdom_read_sysadm_home_content_files(mysqld_t)

ifdef(`distro_redhat',`
	# because Fedora has the sock_file in the database directory
	type_transition mysqld_t mysqld_db_t:sock_file mysqld_var_run_t;
')

ifdef(`targeted_policy',`
	term_dontaudit_use_unallocated_ttys(mysqld_t)
	term_dontaudit_use_generic_ptys(mysqld_t)
	files_dontaudit_read_root_files(mysqld_t)
')

optional_policy(`
	daemontools_service_domain(mysqld_t, mysqld_exec_t)
')

optional_policy(`
	seutil_sigchld_newrole(mysqld_t)
')

optional_policy(`
	udev_read_db(mysqld_t)
')