debian-selinux-policies/policy/modules/mysql.if

## <summary>Open source database.</summary>

########################################
## <summary>
##	Role access for mysql.
## </summary>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
## <param name="domain">
##	<summary>
##	User domain for the role.
##	</summary>
## </param>
#
interface(`mysql_role',`
	refpolicywarn(`$0($*) has been deprecated')
')

######################################
## <summary>
##	Execute MySQL in the mysql domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`mysql_domtrans',`
	gen_require(`
		type mysqld_t, mysqld_exec_t;
	')

	corecmd_search_bin($1)
	domtrans_pattern($1, mysqld_exec_t, mysqld_t)
')

########################################
## <summary>
##	Execute mysqld in the mysqld domain, and
##	allow the specified role the mysqld domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
#
interface(`mysql_run_mysqld',`
	gen_require(`
		attribute_role mysqld_roles;
	')

	mysql_domtrans($1)
	roleattribute $2 mysqld_roles;
')

########################################
## <summary>
##	Send generic signals to mysqld.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_signal',`
	gen_require(`
		type mysqld_t;
	')

	allow $1 mysqld_t:process signal;
')

########################################
## <summary>
##	Connect to mysqld with a tcp socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_tcp_connect',`
	gen_require(`
		type mysqld_t;
	')

	corenet_tcp_recvfrom_labeled($1, mysqld_t)
	corenet_tcp_sendrecv_mysqld_port($1)
	corenet_tcp_connect_mysqld_port($1)
	corenet_sendrecv_mysqld_client_packets($1)
')

########################################
## <summary>
##	Connect to mysqld with a unix
#	domain stream socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`mysql_stream_connect',`
	gen_require(`
		type mysqld_t, mysqld_var_run_t, mysqld_db_t;
	')

	files_search_pids($1)
	stream_connect_pattern($1, { mysqld_db_t mysqld_var_run_t }, mysqld_var_run_t, mysqld_t)
')

########################################
## <summary>
##	Read mysqld configuration content.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`mysql_read_config',`
	gen_require(`
		type mysqld_etc_t;
	')

	files_search_etc($1)
	allow $1 mysqld_etc_t:dir list_dir_perms;
	allow $1 mysqld_etc_t:file read_file_perms;
	allow $1 mysqld_etc_t:lnk_file read_lnk_file_perms;
')

########################################
## <summary>
##	Search mysqld db directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_search_db',`
	gen_require(`
		type mysqld_db_t;
	')

	files_search_var_lib($1)
	allow $1 mysqld_db_t:dir search_dir_perms;
')

########################################
## <summary>
##	Read and write mysqld database directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_rw_db_dirs',`
	gen_require(`
		type mysqld_db_t;
	')

	files_search_var_lib($1)
	allow $1 mysqld_db_t:dir rw_dir_perms;
')

########################################
## <summary>
##	Create, read, write, and delete
##	mysqld database directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_manage_db_dirs',`
	gen_require(`
		type mysqld_db_t;
	')

	files_search_var_lib($1)
	allow $1 mysqld_db_t:dir manage_dir_perms;
')

#######################################
## <summary>
##	Append mysqld database files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_append_db_files',`
	gen_require(`
		type mysqld_db_t;
	')

	files_search_var_lib($1)
	append_files_pattern($1, mysqld_db_t, mysqld_db_t)
')

#######################################
## <summary>
##	Read and write mysqld database files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_rw_db_files',`
	gen_require(`
		type mysqld_db_t;
	')

	files_search_var_lib($1)
	rw_files_pattern($1, mysqld_db_t, mysqld_db_t)
')

#######################################
## <summary>
##	Create, read, write, and delete
##	mysqld database files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_manage_db_files',`
	gen_require(`
		type mysqld_db_t;
	')

	files_search_var_lib($1)
	manage_files_pattern($1, mysqld_db_t, mysqld_db_t)
')

########################################
## <summary>
##	Read and write mysqld database sockets.
##	named socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_rw_db_sockets',`
	refpolicywarn(`$0($*) has been deprecated.')
')

########################################
## <summary>
##	Create, read, write, and delete
##	mysqld home files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_manage_mysqld_home_files',`
	gen_require(`
		type mysqld_home_t;
	')

	userdom_search_user_home_dirs($1)
	allow $1 mysqld_home_t:file manage_file_perms;
')

########################################
## <summary>
##	Relabel mysqld home files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_relabel_mysqld_home_files',`
	gen_require(`
		type mysqld_home_t;
	')

	userdom_search_user_home_dirs($1)
	allow $1 mysqld_home_t:file relabel_file_perms;
')

########################################
## <summary>
##	Create objects in user home
##	directories with the mysqld home type.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="object_class">
##	<summary>
##	Class of the object being created.
##	</summary>
## </param>
## <param name="name" optional="true">
##	<summary>
##	The name of the object being created.
##	</summary>
## </param>
#
interface(`mysql_home_filetrans_mysqld_home',`
	gen_require(`
		type mysqld_home_t;
	')

	userdom_user_home_dir_filetrans($1, mysqld_home_t, $2, $3)
')

########################################
## <summary>
##	Write mysqld log files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_write_log',`
	gen_require(`
		type mysqld_log_t;
	')

	logging_search_logs($1)
	allow $1 mysqld_log_t:file write_file_perms;
')

######################################
## <summary>
##	Execute mysqld safe in the
##	mysqld safe domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`mysql_domtrans_mysql_safe',`
	gen_require(`
		type mysqld_safe_t, mysqld_safe_exec_t;
	')

	corecmd_search_bin($1)
	domtrans_pattern($1, mysqld_safe_exec_t, mysqld_safe_t)
')

#####################################
## <summary>
##	Read mysqld pid files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_read_pid_files',`
	gen_require(`
		type mysqld_var_run_t;
	')

	files_search_pids($1)
	read_files_pattern($1, mysqld_var_run_t, mysqld_var_run_t)
')

#####################################
## <summary>
##	Search mysqld pid files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
##
#
interface(`mysql_search_pid_files',`
	gen_require(`
		type mysqld_var_run_t;
	')

	files_search_pids($1)
	search_dirs_pattern($1, mysqld_var_run_t, mysqld_var_run_t)
')

########################################
## <summary>
##	All of the rules required to
##	administrate an mysqld environment.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`mysql_admin',`
	gen_require(`
		type mysqld_t, mysqld_var_run_t, mysqld_etc_t;
		type mysqld_tmp_t, mysqld_db_t, mysqld_log_t;
		type mysqld_safe_t, mysqlmanagerd_t, mysqlmanagerd_var_run_t;
		type mysqld_initrc_exec_t, mysqlmanagerd_initrc_exec_t, mysqld_home_t;
	')

	allow $1 { mysqld_safe_t mysqld_t mysqlmanagerd_t }:process { ptrace signal_perms };
	ps_process_pattern($1, { mysqld_safe_t mysqld_t mysqlmanagerd_t })

	init_labeled_script_domtrans($1, {  mysqlmanagerd_initrc_exec_t mysqld_initrc_exec_t })
	domain_system_change_exemption($1)
	role_transition $2 { mysqlmanagerd_initrc_exec_t mysqld_initrc_exec_t } system_r;
	allow $2 system_r;

	files_search_pids($1)
	admin_pattern($1, { mysqlmanagerd_var_run_t mysqld_var_run_t })

	files_search_var_lib($1)
	admin_pattern($1, mysqld_db_t)

	files_search_etc($1)
	admin_pattern($1, { mysqld_etc_t mysqld_home_t })

	logging_search_logs($1)
	admin_pattern($1, mysqld_log_t)

	files_search_tmp($1)
	admin_pattern($1, mysqld_tmp_t)

	mysql_run_mysqld($1, $2)
')