policy_module(spamassassin, 2.2.0)

########################################

#

# Declarations

#

## <desc>

## 

## Allow user spamassassin clients to use the network.

## 

## </desc>

gen_tunable(spamassassin_can_network, false)

## <desc>

## 

## Allow spamd to read/write user home directories.

## 

## </desc>

gen_tunable(spamd_enable_home_dirs, true)

type spamassassin_t;

type spamassassin_exec_t;

typealias spamassassin_t alias { user_spamassassin_t staff_spamassassin_t sysadm_spamassassin_t };

typealias spamassassin_t alias { auditadm_spamassassin_t secadm_spamassassin_t };

application_domain(spamassassin_t, spamassassin_exec_t)

ubac_constrained(spamassassin_t)

type spamassassin_home_t;

typealias spamassassin_home_t alias { user_spamassassin_home_t staff_spamassassin_home_t sysadm_spamassassin_home_t };

typealias spamassassin_home_t alias { auditadm_spamassassin_home_t secadm_spamassassin_home_t };

userdom_user_home_content(spamassassin_home_t)

files_poly_member(spamassassin_home_t)

type spamassassin_tmp_t;

typealias spamassassin_tmp_t alias { user_spamassassin_tmp_t staff_spamassassin_tmp_t sysadm_spamassassin_tmp_t };

typealias spamassassin_tmp_t alias { auditadm_spamassassin_tmp_t secadm_spamassassin_tmp_t };

files_tmp_file(spamassassin_tmp_t)

ubac_constrained(spamassassin_tmp_t)

type spamc_t;

type spamc_exec_t;

typealias spamc_t alias { user_spamc_t staff_spamc_t sysadm_spamc_t };

typealias spamc_t alias { auditadm_spamc_t secadm_spamc_t };

application_domain(spamc_t, spamc_exec_t)

ubac_constrained(spamc_t)

type spamc_tmp_t;

typealias spamc_tmp_t alias { user_spamc_tmp_t staff_spamc_tmp_t sysadm_spamc_tmp_t };

typealias spamc_tmp_t alias { auditadm_spamc_tmp_t secadm_spamc_tmp_t };

files_tmp_file(spamc_tmp_t)

ubac_constrained(spamc_tmp_t)

type spamd_t;

type spamd_exec_t;

init_daemon_domain(spamd_t, spamd_exec_t)

type spamd_spool_t;

files_type(spamd_spool_t)

type spamd_tmp_t;

files_tmp_file(spamd_tmp_t)

# var/lib files

type spamd_var_lib_t;

files_type(spamd_var_lib_t)

type spamd_var_run_t;

files_pid_file(spamd_var_run_t)

##############################

#

# Standalone program local policy

#

allow spamassassin_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };

allow spamassassin_t self:fd use;

allow spamassassin_t self:fifo_file rw_fifo_file_perms;

allow spamassassin_t self:sock_file read_sock_file_perms;

allow spamassassin_t self:unix_dgram_socket create_socket_perms;

allow spamassassin_t self:unix_stream_socket create_stream_socket_perms;

allow spamassassin_t self:unix_dgram_socket sendto;

allow spamassassin_t self:unix_stream_socket connectto;

allow spamassassin_t self:shm create_shm_perms;

allow spamassassin_t self:sem create_sem_perms;

allow spamassassin_t self:msgq create_msgq_perms;

allow spamassassin_t self:msg { send receive };

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 file lnk_file sock_file fifo_file })

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 })

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 file lnk_file sock_file fifo_file })

kernel_read_kernel_sysctls(spamassassin_t)

dev_read_urand(spamassassin_t)

fs_search_auto_mountpoints(spamassassin_t)

# this should probably be removed

corecmd_list_bin(spamassassin_t)

corecmd_read_bin_symlinks(spamassassin_t)

corecmd_read_bin_files(spamassassin_t)

corecmd_read_bin_pipes(spamassassin_t)

corecmd_read_bin_sockets(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)

files_dontaudit_search_var(spamassassin_t)

logging_send_syslog_msg(spamassassin_t)

miscfiles_read_localization(spamassassin_t)

# cjp: this could probably be removed

seutil_read_config(spamassassin_t)

sysnet_dns_name_resolve(spamassassin_t)

# set tunable if you have spamassassin do DNS lookups

tunable_policy(`spamassassin_can_network',`

	allow spamassassin_t self:tcp_socket create_stream_socket_perms;

	allow spamassassin_t self:udp_socket create_socket_perms;

	corenet_all_recvfrom_unlabeled(spamassassin_t)

	corenet_all_recvfrom_netlabel(spamassassin_t)

	corenet_tcp_sendrecv_generic_if(spamassassin_t)

	corenet_udp_sendrecv_generic_if(spamassassin_t)

	corenet_tcp_sendrecv_generic_node(spamassassin_t)

	corenet_udp_sendrecv_generic_node(spamassassin_t)

	corenet_tcp_sendrecv_all_ports(spamassassin_t)

	corenet_udp_sendrecv_all_ports(spamassassin_t)

	corenet_tcp_connect_all_ports(spamassassin_t)

	corenet_sendrecv_all_client_packets(spamassassin_t)

	sysnet_read_config(spamassassin_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(`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(`

	# Write pid file and socket in ~/.evolution/cache/tmp

	evolution_home_filetrans(spamd_t, spamd_tmp_t, { file sock_file })

')

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:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };

allow spamc_t self:fd use;

allow spamc_t self:fifo_file rw_fifo_file_perms;

allow spamc_t self:sock_file read_sock_file_perms;

allow spamc_t self:shm create_shm_perms;

allow spamc_t self:sem create_sem_perms;

allow spamc_t self:msgq create_msgq_perms;

allow spamc_t self:msg { send receive };

allow spamc_t self:unix_dgram_socket create_socket_perms;

allow spamc_t self:unix_stream_socket create_stream_socket_perms;

allow spamc_t self:unix_dgram_socket sendto;

allow spamc_t self:unix_stream_socket connectto;

allow spamc_t self:tcp_socket create_stream_socket_perms;

allow spamc_t self:udp_socket create_socket_perms;

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 })

# Allow connecting to a local spamd

allow spamc_t spamd_t:unix_stream_socket connectto;

allow spamc_t spamd_tmp_t:sock_file rw_sock_file_perms;

kernel_read_kernel_sysctls(spamc_t)

corenet_all_recvfrom_unlabeled(spamc_t)

corenet_all_recvfrom_netlabel(spamc_t)

corenet_tcp_sendrecv_generic_if(spamc_t)

corenet_udp_sendrecv_generic_if(spamc_t)

corenet_tcp_sendrecv_generic_node(spamc_t)

corenet_udp_sendrecv_generic_node(spamc_t)

corenet_tcp_sendrecv_all_ports(spamc_t)

corenet_udp_sendrecv_all_ports(spamc_t)

corenet_tcp_connect_all_ports(spamc_t)

corenet_sendrecv_all_client_packets(spamc_t)

fs_search_auto_mountpoints(spamc_t)

# cjp: these should probably be removed:

corecmd_list_bin(spamc_t)

corecmd_read_bin_symlinks(spamc_t)

corecmd_read_bin_files(spamc_t)

corecmd_read_bin_pipes(spamc_t)

corecmd_read_bin_sockets(spamc_t)

domain_use_interactive_fds(spamc_t)

files_read_etc_files(spamc_t)

files_read_etc_runtime_files(spamc_t)

files_read_usr_files(spamc_t)

files_dontaudit_search_var(spamc_t)

# cjp: this may be removable:

files_list_home(spamc_t)

logging_send_syslog_msg(spamc_t)

miscfiles_read_localization(spamc_t)

# cjp: this should probably be removed:

seutil_read_config(spamc_t)

sysnet_read_config(spamc_t)

optional_policy(`

	# Allow connection to spamd socket above

	evolution_stream_connect(spamc_t)

')

optional_policy(`

	# Needed for pyzor/razor called from spamd

	milter_manage_spamass_state(spamc_t)

')

optional_policy(`

	nis_use_ypbind(spamc_t)

')

optional_policy(`

	nscd_socket_use(spamc_t)

')

optional_policy(`

	mta_read_config(spamc_t)

	sendmail_stub(spamc_t)

')

########################################

#

# Server local policy

#

# Spamassassin, when run as root and using per-user config files,

# setuids to the user running spamc.  Comment this if you are not

# using this ability.

allow spamd_t self:capability { setuid setgid dac_override sys_tty_config };

dontaudit spamd_t self:capability sys_tty_config;

allow spamd_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };

allow spamd_t self:fd use;

allow spamd_t self:fifo_file rw_fifo_file_perms;

allow spamd_t self:sock_file read_sock_file_perms;

allow spamd_t self:shm create_shm_perms;

allow spamd_t self:sem create_sem_perms;

allow spamd_t self:msgq create_msgq_perms;

allow spamd_t self:msg { send receive };

allow spamd_t self:unix_dgram_socket create_socket_perms;

allow spamd_t self:unix_stream_socket create_stream_socket_perms;

allow spamd_t self:unix_dgram_socket sendto;

allow spamd_t self:unix_stream_socket connectto;

allow spamd_t self:tcp_socket create_stream_socket_perms;

allow spamd_t self:udp_socket create_socket_perms;

allow spamd_t self:netlink_route_socket r_netlink_socket_perms;

manage_dirs_pattern(spamd_t, spamd_spool_t, spamd_spool_t)

manage_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 })

# var/lib files for spamd

allow spamd_t spamd_var_lib_t:dir list_dir_perms;

read_files_pattern(spamd_t, spamd_var_lib_t, spamd_var_lib_t)

manage_dirs_pattern(spamd_t, spamd_var_run_t, spamd_var_run_t)

manage_files_pattern(spamd_t, spamd_var_run_t, spamd_var_run_t)

files_pid_filetrans(spamd_t, spamd_var_run_t, { dir file })

kernel_read_all_sysctls(spamd_t)

kernel_read_system_state(spamd_t)

corenet_all_recvfrom_unlabeled(spamd_t)

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_sendrecv_all_ports(spamd_t)

corenet_udp_sendrecv_all_ports(spamd_t)

corenet_tcp_bind_generic_node(spamd_t)

corenet_tcp_bind_spamd_port(spamd_t)

corenet_tcp_connect_razor_port(spamd_t)

corenet_tcp_connect_smtp_port(spamd_t)

corenet_sendrecv_razor_client_packets(spamd_t)

corenet_sendrecv_spamd_server_packets(spamd_t)

# spamassassin 3.1 needs this for its

# DnsResolver.pm module which binds to

# random ports >= 1024.

corenet_udp_bind_generic_node(spamd_t)

corenet_udp_bind_generic_port(spamd_t)

corenet_udp_bind_imaze_port(spamd_t)

corenet_dontaudit_udp_bind_all_ports(spamd_t)

corenet_sendrecv_imaze_server_packets(spamd_t)

corenet_sendrecv_generic_server_packets(spamd_t)

dev_read_sysfs(spamd_t)

dev_read_urand(spamd_t)

fs_getattr_all_fs(spamd_t)

fs_search_auto_mountpoints(spamd_t)

auth_dontaudit_read_shadow(spamd_t)

corecmd_exec_bin(spamd_t)

domain_use_interactive_fds(spamd_t)

files_read_usr_files(spamd_t)

files_read_etc_files(spamd_t)

files_read_etc_runtime_files(spamd_t)

# /var/lib/spamassin

files_read_var_lib_files(spamd_t)

init_dontaudit_rw_utmp(spamd_t)

logging_send_syslog_msg(spamd_t)

miscfiles_read_localization(spamd_t)

sysnet_read_config(spamd_t)

sysnet_use_ldap(spamd_t)

sysnet_dns_name_resolve(spamd_t)

userdom_use_unpriv_users_fds(spamd_t)

userdom_search_user_home_dirs(spamd_t)

tunable_policy(`use_nfs_home_dirs',`

	fs_manage_nfs_files(spamd_t)

')

tunable_policy(`use_samba_home_dirs',`

	fs_manage_cifs_files(spamd_t)

')

optional_policy(`

	amavis_manage_lib_files(spamd_t)

')

optional_policy(`

	cron_system_entry(spamd_t, spamd_exec_t)

')

optional_policy(`

	daemontools_service_domain(spamd_t, spamd_exec_t)

')

optional_policy(`

	dcc_domtrans_client(spamd_t)

	dcc_stream_connect_dccifd(spamd_t)

')

optional_policy(`

	milter_manage_spamass_state(spamd_t)

')

optional_policy(`

	mysql_search_db(spamd_t)

	mysql_stream_connect(spamd_t)

')

optional_policy(`

	nis_use_ypbind(spamd_t)

')

optional_policy(`

	postfix_read_config(spamd_t)

')

optional_policy(`

	postgresql_stream_connect(spamd_t)

')

optional_policy(`

	pyzor_domtrans(spamd_t)

	pyzor_signal(spamd_t)

')

optional_policy(`

	razor_domtrans(spamd_t)

')

optional_policy(`

	seutil_sigchld_newrole(spamd_t)

')

optional_policy(`

	sendmail_stub(spamd_t)

	mta_read_config(spamd_t)

')

optional_policy(`

	udev_read_db(spamd_t)

')