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//usr/share/selinux/devel/include/services/mysql.if

## <summary>Policy for MySQL</summary>

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

domtrans_pattern($1, mysqld_exec_t, mysqld_t)
')

######################################
## <summary>
##     Execute MySQL in the coller domain.
## </summary>
## <param name="domain">
##     <summary>
##     Domain allowed access.
##     </summary>
## </param>
#
interface(`mysql_exec',`
       gen_require(`
               type  mysqld_exec_t;
       ')

can_exec($1, mysqld_exec_t)
')

######################################
## <summary>
##     Execute MySQL_safe in the coller domain.
## </summary>
## <param name="domain">
##     <summary>
##     Domain allowed access.
##     </summary>
## </param>
#
interface(`mysql_safe_exec',`
       gen_require(`
               type  mysqld_safe_exec_t;
       ')

can_exec($1, mysqld_safe_exec_t)
')

########################################
## <summary>
##	Send a generic signal to MySQL.
## </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>
##	Allow the specified domain to connect to postgresql 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 MySQL using 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_var_run_t, mysqld_var_run_t, mysqld_t)
	stream_connect_pattern($1, mysqld_db_t, mysqld_var_run_t, mysqld_t)
')

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

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 the directories that contain MySQL
##	database storage.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
# cjp: "_dir" in the name is added to clarify that this
# is not searching the database itself.
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>
##     List the directories that contain MySQL
##     database storage.
## </summary>
## <param name="domain">
##     <summary>
##     Domain allowed access.
##     </summary>
## </param>
#
interface(`mysql_list_db',`
       gen_require(`
               type mysqld_db_t;
       ')

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

########################################
## <summary>
##	Read and write to the MySQL database directory.
## </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 MySQL 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 to the MySQL database directory.
## </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 to the MySQL database directory.
## </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 MySQL 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 to the MySQL database
##	named socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_rw_db_sockets',`
	gen_require(`
		type mysqld_db_t;
	')

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

########################################
## <summary>
##	Write to the MySQL log.
## </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 setattr };
')

######################################
## <summary>
##	Execute MySQL server in the mysql domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_domtrans_mysql_safe',`
	gen_require(`
		type mysqld_safe_t, mysqld_safe_exec_t;
	')

domtrans_pattern($1, mysqld_safe_exec_t, mysqld_safe_t)
')

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

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

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

search_dirs_pattern($1, mysqld_var_run_t, mysqld_var_run_t)
')

########################################
## <summary>
##	All of the rules required to administrate an mysql environment
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	The role to be allowed to manage the mysql domain.
##	</summary>
## </param>
## <rolecap/>
#
interface(`mysql_admin',`
	gen_require(`
		type mysqld_t, mysqld_var_run_t;
		type mysqld_tmp_t, mysqld_db_t;
		type mysqld_etc_t, mysqld_log_t;
		type mysqld_initrc_exec_t;
	')

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

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

admin_pattern($1, mysqld_var_run_t)

admin_pattern($1, mysqld_db_t)

admin_pattern($1, mysqld_etc_t)

admin_pattern($1, mysqld_log_t)

admin_pattern($1, mysqld_tmp_t)

mysql_stream_connect($1)
')

#######################################
## <summary>
##	Read and write to the MySQL database directory.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`mysql_read_db_lnk_files',`
	gen_require(`
		type mysqld_db_t;
	')

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