selinux-refpolicy/policy/modules/services/spamassassin.if

## <summary>Filter used for removing unsolicited email.</summary>

########################################
## <summary>
##	Role access for spamassassin.
## </summary>
## <param name="role_prefix">
##	<summary>
##	The prefix of the user role (e.g., user
##	is the prefix for user_r).
##	</summary>
## </param>
## <param name="user_domain">
##	<summary>
##	User domain for the role.
##	</summary>
## </param>
## <param name="user_exec_domain">
##	<summary>
##	User exec domain for execute and transition access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access
##	</summary>
## </param>
#
template(`spamassassin_role',`
	gen_require(`
		type spamc_t, spamc_exec_t, spamc_tmp_t;
		type spamassassin_t, spamassassin_exec_t, spamd_home_t;
		type spamd_update_t, spamd_update_exec_t;
		type spamassassin_home_t, spamassassin_tmp_t;
	')

	role $4 types { spamc_t spamassassin_t spamd_update_t };

	domtrans_pattern($3, spamassassin_exec_t, spamassassin_t)
	domtrans_pattern($3, spamc_exec_t, spamc_t)
	domtrans_pattern($3, spamd_update_exec_t, spamd_update_t)

	admin_process_pattern($3, { spamc_t spamassassin_t spamd_update_t })

	allow $2 { spamc_tmp_t spamd_home_t spamassassin_home_t spamassassin_tmp_t }:dir { manage_dir_perms relabel_dir_perms };
	allow $2 { spamc_tmp_t spamd_home_t spamassassin_home_t spamassassin_tmp_t }:file { manage_file_perms relabel_file_perms };
	allow $2 { spamc_tmp_t spamd_home_t spamassassin_home_t spamassassin_tmp_t }:lnk_file { manage_lnk_file_perms relabel_lnk_file_perms };
	userdom_user_home_dir_filetrans($2, spamassassin_home_t, dir, ".spamassassin")
	userdom_user_home_dir_filetrans($2, spamd_home_t, dir, ".spamd")

	optional_policy(`
		systemd_user_app_status($1, spamassassin_t)
		systemd_user_app_status($1, spamc_t)
	')
')

########################################
## <summary>
##	Execute sa-update in the spamd-update domain,
##	and allow the specified role
##	the spamd-update domain. Also allow transitive
##	access to the private gpg domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
#
interface(`spamassassin_run_update',`
	gen_require(`
		type spamd_update_t, spamd_update_exec_t, spamd_update_t;
	')

	role $2 types { spamd_update_t spamd_update_t };
	domtrans_pattern($1, spamd_update_exec_t, spamd_update_t)
')

########################################
## <summary>
##	Execute the standalone spamassassin
##	program in the caller directory.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`spamassassin_exec',`
	gen_require(`
		type spamassassin_exec_t;
	')

	corecmd_search_bin($1)
	can_exec($1, spamassassin_exec_t)
')

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

	allow $1 spamd_t:process signal;
')

########################################
## <summary>
##	reload SA service
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`spamassassin_reload',`
	gen_require(`
		type spamassassin_unit_t;
		class service reload;
	')

	allow $1 spamassassin_unit_t:service reload;
')

########################################
## <summary>
##	Get SA service status
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`spamassassin_status',`
	gen_require(`
		type spamassassin_unit_t;
		class service status;
	')

	allow $1 spamassassin_unit_t:service status;
')

########################################
## <summary>
##	Execute spamd in the caller domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`spamassassin_exec_spamd',`
	gen_require(`
		type spamd_exec_t;
	')

	corecmd_search_bin($1)
	can_exec($1, spamd_exec_t)
')

########################################
## <summary>
##	Execute spamc in the spamc domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`spamassassin_domtrans_client',`
	gen_require(`
		type spamc_t, spamc_exec_t;
	')

	corecmd_search_bin($1)
	domtrans_pattern($1, spamc_exec_t, spamc_t)
')

########################################
## <summary>
##	Execute spamc in the caller domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`spamassassin_exec_client',`
	gen_require(`
		type spamc_exec_t;
	')

	corecmd_search_bin($1)
	can_exec($1, spamc_exec_t)
')

########################################
## <summary>
##	Send kill signals to spamc.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`spamassassin_kill_client',`
	gen_require(`
		type spamc_t;
	')

	allow $1 spamc_t:process sigkill;
')

########################################
## <summary>
##	Execute spamassassin standalone client
##	in the user spamassassin domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`spamassassin_domtrans_local_client',`
	gen_require(`
		type spamassassin_t, spamassassin_exec_t;
	')

	corecmd_search_bin($1)
	domtrans_pattern($1, spamassassin_exec_t, spamassassin_t)
')

########################################
## <summary>
##	Create, read, write, and delete
##	spamd home content.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`spamassassin_manage_spamd_home_content',`
	gen_require(`
		type spamd_home_t;
	')

	userdom_search_user_home_dirs($1)
	allow $1 spamd_home_t:dir manage_dir_perms;
	allow $1 spamd_home_t:file manage_file_perms;
	allow $1 spamd_home_t:lnk_file manage_lnk_file_perms;
')

########################################
## <summary>
##	Relabel spamd home content.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`spamassassin_relabel_spamd_home_content',`
	gen_require(`
		type spamd_home_t;
	')

	userdom_search_user_home_dirs($1)
	allow $1 spamd_home_t:dir relabel_dir_perms;
	allow $1 spamd_home_t:file relabel_file_perms;
	allow $1 spamd_home_t:lnk_file relabel_lnk_file_perms;
')

########################################
## <summary>
##	Create objects in user home
##	directories with the spamd 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(`spamassassin_home_filetrans_spamd_home',`
	gen_require(`
		type spamd_home_t;
	')

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

########################################
## <summary>
##	Read spamd lib files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`spamassassin_read_lib_files',`
	gen_require(`
		type spamd_var_lib_t;
	')

	files_search_var_lib($1)
	read_files_pattern($1, spamd_var_lib_t, spamd_var_lib_t)
')

########################################
## <summary>
##	Create, read, write, and delete
##	spamd lib files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`spamassassin_manage_lib_files',`
	gen_require(`
		type spamd_var_lib_t;
	')

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

########################################
## <summary>
##	Read spamd runtime files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`spamassassin_read_spamd_runtime_files',`
	gen_require(`
		type spamd_runtime_t;
	')

	files_search_runtime($1)
	read_files_pattern($1, spamd_runtime_t, spamd_runtime_t)
')

########################################
## <summary>
##	Read temporary spamd files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`spamassassin_read_spamd_tmp_files',`
	gen_require(`
		type spamd_tmp_t;
	')

	allow $1 spamd_tmp_t:file read_file_perms;
')

########################################
## <summary>
##	Do not audit attempts to get
##	attributes of temporary spamd sockets.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`spamassassin_dontaudit_getattr_spamd_tmp_sockets',`
	gen_require(`
		type spamd_tmp_t;
	')

	dontaudit $1 spamd_tmp_t:sock_file getattr;
')

########################################
## <summary>
##	Connect to spamd with a unix
##	domain stream socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`spamassassin_stream_connect_spamd',`
	gen_require(`
		type spamd_t, spamd_runtime_t;
	')

	files_search_runtime($1)
	stream_connect_pattern($1, spamd_runtime_t, spamd_runtime_t, spamd_t)
')

########################################
## <summary>
##	All of the rules required to
##	administrate an spamassassin environment.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`spamassassin_admin',`
	gen_require(`
		type spamd_t, spamd_tmp_t, spamd_log_t;
		type spamd_spool_t, spamd_var_lib_t, spamd_runtime_t;
		type spamd_initrc_exec_t, spamassassin_unit_t;
		type spamd_update_t;
	')

	admin_process_pattern($1, { spamd_t spamd_update_t spamd_update_t })

	init_startstop_service($1, $2, spamd_t, spamd_initrc_exec_t, spamassassin_unit_t)

	files_list_tmp($1)
	admin_pattern($1, spamd_tmp_t)

	logging_list_logs($1)
	admin_pattern($1, spamd_log_t)

	files_list_spool($1)
	admin_pattern($1, spamd_spool_t)

	files_list_var_lib($1)
	admin_pattern($1, spamd_var_lib_t)

	files_list_runtime($1)
	admin_pattern($1, spamd_runtime_t)

	# This makes it impossible to apply _admin if _role has already been applied
	#spamassassin_role($2, $1)

	# sa-update
	spamassassin_run_update($1, $2)
')