policy_module(spamassassin)

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

## <desc>
##	<p>
##	Determine whether spamassassin
##	daemon or clients can use the
##	network.
##	</p>
## </desc>
gen_tunable(spamassassin_can_network, false)

## <desc>
##	<p>
##	Determine whether spamd can manage
##	generic user home content.
##	</p>
## </desc>
gen_tunable(spamd_enable_home_dirs, false)

## <desc>
##	<p>
##	Determine whether spamassassin
##	can update the rules using the
##	network.
##	</p>
## </desc>
gen_tunable(spamassassin_network_update, true)

## <desc>
##	<p>
##	Determine whether extra rules should
##	be enabled to support rspamd.
##	</p>
## </desc>
gen_tunable(rspamd_spamd, false)

## <desc>
##	<p>
##	Determine whether execmem should be allowed
##	Needed if LUA JIT is enabled for rspamd
##	</p>
## </desc>
gen_tunable(spamd_execmem, false)

attribute_role spamd_update_roles;

type spamassassin_t;
type spamassassin_exec_t;
userdom_user_application_domain(spamassassin_t, spamassassin_exec_t)

type spamassassin_home_t;
userdom_user_home_content(spamassassin_home_t)

type spamassassin_initrc_exec_t;
init_script_file(spamassassin_initrc_exec_t)

type spamassassin_tmp_t;
userdom_user_tmp_file(spamassassin_tmp_t)

type spamassassin_unit_t;
init_unit_file(spamassassin_unit_t)

type spamc_t;
type spamc_exec_t;
userdom_user_application_domain(spamc_t, spamc_exec_t)
role system_r types spamc_t;

type spamc_tmp_t;
userdom_user_tmp_file(spamc_tmp_t)

type spamd_t;
type spamd_exec_t;
init_daemon_domain(spamd_t, spamd_exec_t)

type spamd_compiled_t;
files_type(spamd_compiled_t)

type spamd_etc_t;
files_config_file(spamd_etc_t)

type spamd_home_t;
userdom_user_home_content(spamd_home_t)

type spamd_initrc_exec_t;
init_script_file(spamd_initrc_exec_t)

type spamd_log_t;
logging_log_file(spamd_log_t)

type spamd_runtime_t alias spamd_var_run_t;
files_runtime_file(spamd_runtime_t)

type spamd_spool_t;
files_type(spamd_spool_t)

type spamd_tmp_t;
files_tmp_file(spamd_tmp_t)
typealias spamd_tmp_t alias spamd_update_tmp_t;

type spamd_tmpfs_t;
files_tmpfs_file(spamd_tmpfs_t)

type spamd_var_lib_t;
files_type(spamd_var_lib_t)

type spamd_update_t;
type spamd_update_exec_t;
application_domain(spamd_update_t, spamd_update_exec_t)
role spamd_update_roles types spamd_update_t;
role system_r types spamd_update_t;

########################################
#
# Standalone local policy
#

allow spamassassin_t self:process { transition signal_perms getsched setsched getsession getpgid setpgid getcap setcap share getattr noatsecure siginh rlimitinh dyntransition setkeycreate setsockcreate getrlimit };
allow spamassassin_t self:fd use;
allow spamassassin_t self:fifo_file rw_fifo_file_perms;
allow spamassassin_t self:unix_dgram_socket sendto;
allow spamassassin_t self:unix_stream_socket { accept connectto listen };

manage_dirs_pattern(spamassassin_t, spamassassin_home_t, spamassassin_home_t)
manage_files_pattern(spamassassin_t, spamassassin_home_t, spamassassin_home_t)
manage_lnk_files_pattern(spamassassin_t, spamassassin_home_t, spamassassin_home_t)
manage_fifo_files_pattern(spamassassin_t, spamassassin_home_t, spamassassin_home_t)
manage_sock_files_pattern(spamassassin_t, spamassassin_home_t, spamassassin_home_t)
userdom_user_home_dir_filetrans(spamassassin_t, spamassassin_home_t, dir, ".spamassassin")

manage_dirs_pattern(spamassassin_t, spamassassin_tmp_t, spamassassin_tmp_t)
manage_files_pattern(spamassassin_t, spamassassin_tmp_t, spamassassin_tmp_t)
files_tmp_filetrans(spamassassin_t, spamassassin_tmp_t, { file dir })

kernel_read_kernel_sysctls(spamassassin_t)

dev_read_urand(spamassassin_t)

fs_getattr_all_fs(spamassassin_t)
fs_search_auto_mountpoints(spamassassin_t)

domain_use_interactive_fds(spamassassin_t)

files_read_etc_files(spamassassin_t)
files_read_etc_runtime_files(spamassassin_t)
files_list_home(spamassassin_t)
files_read_usr_files(spamassassin_t)

logging_send_syslog_msg(spamassassin_t)

miscfiles_read_localization(spamassassin_t)

sysnet_dns_name_resolve(spamassassin_t)

tunable_policy(`spamassassin_can_network',`
	allow spamassassin_t self:tcp_socket { accept listen };

	corenet_all_recvfrom_netlabel(spamassassin_t)
	corenet_tcp_sendrecv_generic_if(spamassassin_t)
	corenet_tcp_sendrecv_generic_node(spamassassin_t)

	corenet_tcp_connect_all_ports(spamassassin_t)
	corenet_sendrecv_all_client_packets(spamassassin_t)
')

tunable_policy(`use_nfs_home_dirs',`
	fs_manage_nfs_dirs(spamassassin_t)
	fs_manage_nfs_files(spamassassin_t)
	fs_manage_nfs_symlinks(spamassassin_t)
')

tunable_policy(`use_samba_home_dirs',`
	fs_manage_cifs_dirs(spamassassin_t)
	fs_manage_cifs_files(spamassassin_t)
	fs_manage_cifs_symlinks(spamassassin_t)
')

optional_policy(`
	tunable_policy(`spamassassin_can_network && allow_ypbind',`
		nis_use_ypbind_uncond(spamassassin_t)
	')
')

optional_policy(`
	mta_read_config(spamassassin_t)
	sendmail_stub(spamassassin_t)
')

########################################
#
# Client local policy
#

allow spamc_t self:capability dac_override;
allow spamc_t self:process { transition signal_perms getsched setsched getsession getpgid setpgid getcap setcap share getattr noatsecure siginh rlimitinh dyntransition setkeycreate setsockcreate getrlimit };
allow spamc_t self:fd use;
allow spamc_t self:fifo_file rw_fifo_file_perms;
allow spamc_t self:unix_dgram_socket sendto;
allow spamc_t self:unix_stream_socket { accept connectto listen };
dontaudit spamc_t self:capability dac_read_search;

manage_dirs_pattern(spamc_t, spamc_tmp_t, spamc_tmp_t)
manage_files_pattern(spamc_t, spamc_tmp_t, spamc_tmp_t)
files_tmp_filetrans(spamc_t, spamc_tmp_t, { file dir })

manage_dirs_pattern(spamc_t, spamassassin_home_t, spamassassin_home_t)
manage_files_pattern(spamc_t, spamassassin_home_t, spamassassin_home_t)
manage_lnk_files_pattern(spamc_t, spamassassin_home_t, spamassassin_home_t)
manage_fifo_files_pattern(spamc_t, spamassassin_home_t, spamassassin_home_t)
manage_sock_files_pattern(spamc_t, spamassassin_home_t, spamassassin_home_t)
userdom_user_home_dir_filetrans(spamc_t, spamassassin_home_t, dir, ".spamassassin")

list_dirs_pattern(spamc_t, spamd_var_lib_t, spamd_var_lib_t)
read_files_pattern(spamc_t, spamd_var_lib_t, spamd_var_lib_t)

stream_connect_pattern(spamc_t, { spamd_runtime_t spamd_tmp_t }, { spamd_runtime_t spamd_tmp_t }, spamd_t)

kernel_read_kernel_sysctls(spamc_t)
kernel_read_system_state(spamc_t)

corecmd_exec_bin(spamc_t)
corecmd_exec_shell(spamc_t)

dev_read_rand(spamc_t)
dev_read_urand(spamc_t)

domain_use_interactive_fds(spamc_t)

fs_getattr_all_fs(spamc_t)
fs_search_auto_mountpoints(spamc_t)

files_read_etc_runtime_files(spamc_t)
files_read_usr_files(spamc_t)
files_list_home(spamc_t)
files_list_var_lib(spamc_t)

auth_use_nsswitch(spamc_t)

logging_send_syslog_msg(spamc_t)

miscfiles_read_localization(spamc_t)

userdom_use_inherited_user_terminals(spamc_t)

tunable_policy(`spamassassin_can_network',`
	allow spamc_t self:tcp_socket { accept listen };

	corenet_all_recvfrom_netlabel(spamc_t)
	corenet_tcp_sendrecv_generic_if(spamc_t)
	corenet_tcp_sendrecv_generic_node(spamc_t)
	corenet_udp_bind_generic_node(spamc_t)

	corenet_sendrecv_all_client_packets(spamc_t)
	corenet_tcp_connect_all_ports(spamc_t)
')

tunable_policy(`use_nfs_home_dirs',`
	fs_manage_nfs_dirs(spamc_t)
	fs_manage_nfs_files(spamc_t)
	fs_manage_nfs_symlinks(spamc_t)
')

tunable_policy(`use_samba_home_dirs',`
	fs_manage_cifs_dirs(spamc_t)
	fs_manage_cifs_files(spamc_t)
	fs_manage_cifs_symlinks(spamc_t)
')

optional_policy(`
	abrt_stream_connect(spamc_t)
')

optional_policy(`
	amavis_manage_spool_files(spamc_t)
')

optional_policy(`
	evolution_stream_connect(spamc_t)
')

optional_policy(`
	milter_manage_spamass_state(spamc_t)
')

optional_policy(`
	mta_send_mail(spamc_t)
	mta_getattr_spool(spamc_t)
	mta_list_spool(spamc_t)
	mta_read_spool_files(spamc_t)
	mta_read_spool_symlinks(spamc_t)
	mta_read_config(spamc_t)
	mta_read_queue(spamc_t)
	sendmail_rw_pipes(spamc_t)
	sendmail_stub(spamc_t)
')

optional_policy(`
	postfix_domtrans_postdrop(spamc_t)
	postfix_search_spool(spamc_t)
	postfix_rw_local_pipes(spamc_t)
	postfix_rw_inherited_master_pipes(spamc_t)
')

########################################
#
# Daemon local policy
#

allow spamd_t self:capability { dac_override kill setgid setuid };
allow spamd_t self:process { transition signal_perms getsched setsched getsession getpgid setpgid getcap setcap share getattr noatsecure siginh rlimitinh dyntransition setkeycreate setsockcreate getrlimit };
allow spamd_t self:fd use;
allow spamd_t self:fifo_file rw_fifo_file_perms;
allow spamd_t self:unix_dgram_socket sendto;
allow spamd_t self:unix_stream_socket { accept connectto listen };

manage_dirs_pattern(spamd_t, spamd_home_t, spamd_home_t)
manage_files_pattern(spamd_t, spamd_home_t, spamd_home_t)
manage_lnk_files_pattern(spamd_t, spamd_home_t, spamd_home_t)
manage_fifo_files_pattern(spamd_t, spamd_home_t, spamd_home_t)
manage_sock_files_pattern(spamd_t, spamd_home_t, spamd_home_t)
userdom_user_home_dir_filetrans(spamd_t, spamd_home_t, dir, ".spamd")

manage_dirs_pattern(spamd_t, spamassassin_home_t, spamassassin_home_t)
manage_files_pattern(spamd_t, spamassassin_home_t, spamassassin_home_t)
manage_lnk_files_pattern(spamd_t, spamassassin_home_t, spamassassin_home_t)
manage_fifo_files_pattern(spamd_t, spamassassin_home_t, spamassassin_home_t)
manage_sock_files_pattern(spamd_t, spamassassin_home_t, spamassassin_home_t)
userdom_user_home_dir_filetrans(spamd_t, spamassassin_home_t, dir, ".spamassassin")

manage_dirs_pattern(spamd_t, spamd_compiled_t, spamd_compiled_t)
manage_files_pattern(spamd_t, spamd_compiled_t, spamd_compiled_t)

allow spamd_t spamd_log_t:file { append_file_perms create_file_perms setattr_file_perms };
logging_log_filetrans(spamd_t, spamd_log_t, file)

manage_dirs_pattern(spamd_t, spamd_spool_t, spamd_spool_t)
manage_files_pattern(spamd_t, spamd_spool_t, spamd_spool_t)
manage_sock_files_pattern(spamd_t, spamd_spool_t, spamd_spool_t)
files_spool_filetrans(spamd_t, spamd_spool_t, { file dir })

manage_dirs_pattern(spamd_t, spamd_tmp_t, spamd_tmp_t)
manage_files_pattern(spamd_t, spamd_tmp_t, spamd_tmp_t)
files_tmp_filetrans(spamd_t, spamd_tmp_t, { file dir })

allow spamd_t spamd_var_lib_t:dir list_dir_perms;
manage_files_pattern(spamd_t, spamd_var_lib_t, spamd_var_lib_t)
manage_lnk_files_pattern(spamd_t, spamd_var_lib_t, spamd_var_lib_t)

manage_dirs_pattern(spamd_t, spamd_runtime_t, spamd_runtime_t)
manage_files_pattern(spamd_t, spamd_runtime_t, spamd_runtime_t)
manage_sock_files_pattern(spamd_t, spamd_runtime_t, spamd_runtime_t)
files_runtime_filetrans(spamd_t, spamd_runtime_t, { file dir })

can_exec(spamd_t, { spamd_exec_t spamd_compiled_t })

kernel_read_all_sysctls(spamd_t)
kernel_read_system_state(spamd_t)

corenet_dontaudit_udp_bind_all_ports(spamd_t)

corecmd_exec_shell(spamd_t)
corecmd_exec_bin(spamd_t)

dev_read_sysfs(spamd_t)
dev_read_urand(spamd_t)

domain_use_interactive_fds(spamd_t)

files_map_etc_files(spamd_t)
files_read_usr_files(spamd_t)
files_read_etc_runtime_files(spamd_t)

fs_getattr_all_fs(spamd_t)
fs_search_auto_mountpoints(spamd_t)

auth_dontaudit_read_shadow(spamd_t)
auth_use_nsswitch(spamd_t)

libs_use_ld_so(spamd_t)
libs_use_shared_libs(spamd_t)

logging_send_syslog_msg(spamd_t)

miscfiles_read_generic_certs(spamd_t)
miscfiles_read_localization(spamd_t)

sysnet_use_ldap(spamd_t)

tunable_policy(`spamassassin_can_network',`
	allow spamd_t self:tcp_socket { accept listen };

	corenet_all_recvfrom_netlabel(spamd_t)
	corenet_tcp_sendrecv_generic_if(spamd_t)
	corenet_udp_sendrecv_generic_if(spamd_t)
	corenet_tcp_sendrecv_generic_node(spamd_t)
	corenet_udp_sendrecv_generic_node(spamd_t)
	corenet_tcp_bind_generic_node(spamd_t)
	corenet_udp_bind_generic_node(spamd_t)

	corenet_sendrecv_spamd_server_packets(spamd_t)
	corenet_tcp_bind_spamd_port(spamd_t)

	corenet_sendrecv_razor_client_packets(spamd_t)
	corenet_tcp_connect_razor_port(spamd_t)

	corenet_sendrecv_smtp_client_packets(spamd_t)
	corenet_tcp_connect_smtp_port(spamd_t)

	corenet_sendrecv_generic_server_packets(spamd_t)
	corenet_udp_bind_generic_port(spamd_t)

	corenet_sendrecv_imaze_server_packets(spamd_t)
	corenet_udp_bind_imaze_port(spamd_t)
')

tunable_policy(`spamd_enable_home_dirs',`
	userdom_manage_user_home_content_dirs(spamd_t)
	userdom_manage_user_home_content_files(spamd_t)
	userdom_manage_user_home_content_symlinks(spamd_t)
')

tunable_policy(`spamd_execmem',`
	allow spamd_t self:process execmem;
')

tunable_policy(`rspamd_spamd',`
	allow spamd_t self:process setrlimit;
	allow spamc_t self:process setrlimit;

	kernel_read_network_state(spamd_t)

	list_dirs_pattern(spamd_t, spamd_etc_t, spamd_etc_t)
	mmap_read_files_pattern(spamd_t, spamd_etc_t, spamd_etc_t)
	allow spamd_t spamd_etc_t:dir watch;

	mmap_read_files_pattern(spamd_t, spamd_var_lib_t, spamd_var_lib_t)
	allow spamd_t spamd_var_lib_t:dir watch;
	filetrans_pattern(spamd_t, spamd_var_lib_t, spamd_runtime_t, sock_file)

	allow spamd_t spamd_log_t:dir rw_dir_perms;

	fs_search_tmpfs(spamd_t)
	manage_dirs_pattern(spamd_t, spamd_tmpfs_t, spamd_tmpfs_t)
	manage_files_pattern(spamd_t, spamd_tmpfs_t, spamd_tmpfs_t)
	mmap_read_files_pattern(spamd_t, spamd_tmpfs_t, spamd_tmpfs_t)
	fs_tmpfs_filetrans(spamd_t, spamd_tmpfs_t, { dir file })

	kernel_read_network_state(spamd_t)
')

tunable_policy(`rspamd_spamd && spamassassin_can_network',`
	corenet_tcp_connect_http_port(spamd_t)
	corenet_tcp_connect_redis_port(spamd_t)
')

tunable_policy(`use_nfs_home_dirs',`
	fs_manage_nfs_dirs(spamd_t)
	fs_manage_nfs_files(spamd_t)
	fs_manage_nfs_symlinks(spamd_t)
')

tunable_policy(`use_samba_home_dirs',`
	fs_manage_cifs_dirs(spamd_t)
	fs_manage_cifs_files(spamd_t)
	fs_manage_cifs_symlinks(spamd_t)
')

optional_policy(`
	amavis_manage_lib_files(spamd_t)
')

optional_policy(`
	clamav_stream_connect(spamd_t)
')

optional_policy(`
	cron_system_entry(spamd_t, spamd_exec_t)
')

optional_policy(`
	daemontools_service_domain(spamd_t, spamd_exec_t)
')

optional_policy(`
	evolution_home_filetrans(spamd_t, spamd_tmp_t, { file sock_file })
')

optional_policy(`
	exim_manage_spool_dirs(spamd_t)
	exim_manage_spool_files(spamd_t)
')

optional_policy(`
	milter_manage_spamass_state(spamd_t)
')

optional_policy(`
	mta_getattr_spool(spamd_t)
')

optional_policy(`
	mysql_stream_connect(spamd_t)
	mysql_tcp_connect(spamd_t)
')

optional_policy(`
	postfix_read_config(spamd_t)
')

optional_policy(`
	postgresql_stream_connect(spamd_t)
	postgresql_tcp_connect(spamd_t)
')

optional_policy(`
	pyzor_domtrans(spamd_t)
	pyzor_signal(spamd_t)
')

optional_policy(`
	razor_domtrans(spamd_t)
	razor_read_lib_files(spamd_t)
	razor_manage_home_content(spamd_t)
')

optional_policy(`
	sendmail_stub(spamd_t)
	mta_read_config(spamd_t)
	mta_send_mail(spamd_t)
')

########################################
#
# Update local policy
#

allow spamd_update_t self:capability { dac_override dac_read_search };
allow spamd_update_t self:process { setrlimit sigchld signal };
allow spamd_update_t self:fd use;
allow spamd_update_t self:fifo_file manage_fifo_file_perms;
allow spamd_update_t self:unix_stream_socket create_stream_socket_perms;

manage_dirs_pattern(spamd_update_t, spamd_tmp_t, spamd_tmp_t)
manage_files_pattern(spamd_update_t, spamd_tmp_t, spamd_tmp_t)
files_tmp_filetrans(spamd_update_t, spamd_tmp_t, { file dir })

manage_dirs_pattern(spamd_update_t, spamd_var_lib_t, spamd_var_lib_t)
manage_files_pattern(spamd_update_t, spamd_var_lib_t, spamd_var_lib_t)
manage_lnk_files_pattern(spamd_update_t, spamd_var_lib_t, spamd_var_lib_t)
files_var_lib_filetrans(spamd_update_t, spamd_var_lib_t, { file dir })

kernel_dontaudit_search_sysctl(spamd_update_t)

corecmd_exec_bin(spamd_update_t)
corecmd_exec_shell(spamd_update_t)

dev_read_urand(spamd_update_t)

domain_use_interactive_fds(spamd_update_t)

files_read_usr_files(spamd_update_t)

fs_getattr_xattr_fs(spamd_update_t)

auth_use_nsswitch(spamd_update_t)
auth_dontaudit_read_shadow(spamd_update_t)

miscfiles_read_generic_certs(spamd_update_t)
miscfiles_read_localization(spamd_update_t)

userdom_use_unpriv_users_fds(spamd_update_t)
userdom_use_inherited_user_terminals(spamd_update_t)
userdom_dontaudit_search_user_home_dirs(spamd_update_t)
userdom_dontaudit_search_user_home_content(spamd_update_t)

tunable_policy(`spamassassin_network_update',`
	corenet_all_recvfrom_netlabel(spamd_update_t)
	corenet_tcp_sendrecv_generic_if(spamd_update_t)
	corenet_tcp_sendrecv_generic_node(spamd_update_t)
	corenet_tcp_bind_generic_node(spamd_update_t)
	corenet_udp_bind_generic_node(spamd_update_t)
	corenet_sendrecv_http_client_packets(spamd_update_t)
	corenet_tcp_connect_http_port(spamd_update_t)
')

optional_policy(`
	cron_system_entry(spamd_update_t, spamd_update_exec_t)
')

optional_policy(`
	gpg_entry_type(spamd_update_t)
	gpg_exec(spamd_update_t)
	gpg_dontaudit_getattr_gpg_runtime_dirs(spamd_update_t)
	gpg_dontaudit_search_user_secrets_dirs(spamd_update_t)
	gpg_agent_entry_type(spamd_update_t)
	gpg_agent_exec(spamd_update_t)
')

optional_policy(`
	mta_manage_config(spamd_update_t)
')