selinux-policy/policy/modules/services/munin.if

## <summary>Munin network-wide load graphing (formerly LRRD)</summary>

########################################
## <summary>
##	Create a set of derived types for various
##	munin plugins,
## </summary>
## <param name="prefix">
##	<summary>
##	The name to be used for deriving type names.
##	</summary>
## </param>
#
template(`munin_plugin_template',`
	gen_require(`
		type munin_t;
		attribute munin_plugin_domain;
	')

	type $1_munin_plugin_t, munin_plugin_domain;
	type $1_munin_plugin_exec_t;
	typealias $1_munin_plugin_t alias munin_$1_plugin_t;
	typealias $1_munin_plugin_exec_t alias munin_$1_plugin_exec_t;
	application_domain($1_munin_plugin_t, $1_munin_plugin_exec_t)
	role system_r types $1_munin_plugin_t;

	type $1_munin_plugin_tmp_t;
	typealias $1_munin_plugin_tmp_t alias munin_$1_plugin_tmp_t;
	files_tmp_file($1_munin_plugin_tmp_t)

	allow $1_munin_plugin_t self:fifo_file rw_fifo_file_perms;

	manage_files_pattern($1_munin_plugin_t, $1_munin_plugin_tmp_t, $1_munin_plugin_tmp_t)
	manage_dirs_pattern($1_munin_plugin_t, $1_munin_plugin_tmp_t, $1_munin_plugin_tmp_t)
	files_tmp_filetrans($1_munin_plugin_t, $1_munin_plugin_tmp_t, { dir file })

	# automatic transition rules from munin domain
	# to specific munin plugin domain
	domtrans_pattern(munin_t, $1_munin_plugin_exec_t, $1_munin_plugin_t)
	allow munin_t $1_munin_plugin_t:process signal;
')

########################################
## <summary>
##	Connect to munin over a unix domain
##	stream socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`munin_stream_connect',`
	gen_require(`
		type munin_var_run_t, munin_t;
	')

	files_search_pids($1)
	stream_connect_pattern($1, munin_var_run_t, munin_var_run_t, munin_t)
')

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

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

######################################
## <summary>
##	dontaudit read and write an leaked file descriptors
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`munin_dontaudit_leaks',`
	gen_require(`
		type munin_t;
	')

	dontaudit $1 munin_t:tcp_socket { read write };
')

#######################################
## <summary>
##	Append to the munin log.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`munin_append_log',`
	gen_require(`
		type munin_log_t;
	')

	logging_search_logs($1)
	allow $1 munin_log_t:dir list_dir_perms;
	append_files_pattern($1, munin_log_t, munin_log_t)
')

#######################################
## <summary>
##	Search munin library directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`munin_search_lib',`
	gen_require(`
		type munin_var_lib_t;
	')

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

#######################################
## <summary>
##	Do not audit attempts to search
##	munin library directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`munin_dontaudit_search_lib',`
	gen_require(`
		type munin_var_lib_t;
	')

	dontaudit $1 munin_var_lib_t:dir search_dir_perms;
')

########################################
## <summary>
##	All of the rules required to administrate
##	an munin environment
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	The role to be allowed to manage the munin domain.
##	</summary>
## </param>
## <rolecap/>
#
interface(`munin_admin',`
	gen_require(`
		type munin_t, munin_etc_t, munin_tmp_t;
		type munin_log_t, munin_var_lib_t, munin_var_run_t;
		type httpd_munin_content_t, munin_initrc_exec_t;
	')

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

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

	files_list_tmp($1)
	admin_pattern($1, munin_tmp_t)

	logging_list_logs($1)
	admin_pattern($1, munin_log_t)

	files_list_etc($1)
	admin_pattern($1, munin_etc_t)

	files_list_var_lib($1)
	admin_pattern($1, munin_var_lib_t)

	files_list_pids($1)
	admin_pattern($1, munin_var_run_t)

	admin_pattern($1, httpd_munin_content_t)
')