milter.te

policy_module(milter)

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

attribute milter_domains;
attribute milter_data_type;

milter_template(greylist)
milter_template(postfwd)
milter_template(regex)
milter_template(spamass)

type postfwd_milter_runtime_t;
files_runtime_file(postfwd_milter_runtime_t)

type postfwd_milter_tmp_t;
files_tmp_file(postfwd_milter_tmp_t)

type spamass_milter_initrc_exec_t;
init_script_file(spamass_milter_initrc_exec_t)

type spamass_milter_state_t;
files_type(spamass_milter_state_t)

#######################################
#
# Common local policy
#

allow milter_domains self:fifo_file rw_fifo_file_perms;
allow milter_domains self:tcp_socket { accept listen };

corenet_all_recvfrom_netlabel(milter_domains)
corenet_tcp_sendrecv_generic_if(milter_domains)
corenet_tcp_sendrecv_generic_node(milter_domains)
corenet_tcp_bind_generic_node(milter_domains)

corenet_tcp_bind_milter_port(milter_domains)

miscfiles_read_localization(milter_domains)

logging_send_syslog_msg(milter_domains)

########################################
#
# greylist local policy
#

allow greylist_milter_t self:capability { chown dac_override setgid setuid sys_nice };
allow greylist_milter_t self:process { getsched setsched };

files_runtime_filetrans(greylist_milter_t, greylist_milter_data_t, file)

kernel_read_kernel_sysctls(greylist_milter_t)

corenet_sendrecv_movaz_ssc_server_packets(greylist_milter_t)
corenet_tcp_bind_movaz_ssc_port(greylist_milter_t)
corenet_sendrecv_movaz_ssc_client_packets(greylist_milter_t)
corenet_tcp_connect_movaz_ssc_port(greylist_milter_t)

corenet_sendrecv_kismet_server_packets(greylist_milter_t)
corenet_tcp_bind_kismet_port(greylist_milter_t)

corecmd_exec_bin(greylist_milter_t)
corecmd_exec_shell(greylist_milter_t)

dev_read_rand(greylist_milter_t)
dev_read_urand(greylist_milter_t)

files_read_usr_files(greylist_milter_t)
files_search_var_lib(greylist_milter_t)

mta_read_config(greylist_milter_t)

miscfiles_read_localization(greylist_milter_t)

optional_policy(`
	mysql_stream_connect(greylist_milter_t)
')

########################################
#
# postfwd local policy
#

allow postfwd_milter_t self:process { signal signull };
allow postfwd_milter_t self:capability { chown dac_override dac_read_search kill setgid setuid };
allow postfwd_milter_t self:unix_stream_socket connectto;

files_runtime_filetrans(postfwd_milter_t, postfwd_milter_runtime_t, file, "postfwd.pid")
allow postfwd_milter_t postfwd_milter_runtime_t:file manage_file_perms;

allow postfwd_milter_t postfwd_milter_tmp_t:sock_file manage_sock_file_perms;
allow postfwd_milter_t postfwd_milter_tmp_t:file manage_file_perms;
files_tmp_filetrans(postfwd_milter_t, postfwd_milter_tmp_t, { file sock_file })

kernel_read_kernel_sysctls(postfwd_milter_t)

corecmd_exec_bin(postfwd_milter_t)
corecmd_exec_shell(postfwd_milter_t)
corecmd_mmap_bin_files(postfwd_milter_t)
corenet_tcp_bind_all_unreserved_ports(postfwd_milter_t)
corenet_tcp_connect_all_unreserved_ports(postfwd_milter_t)

dev_read_urand(postfwd_milter_t)

files_read_usr_files(postfwd_milter_t)
files_read_usr_symlinks(postfwd_milter_t)
files_search_tmp(postfwd_milter_t)

optional_policy(`
	postfix_read_config(postfwd_milter_t)
')

########################################
#
# regex local policy
#

allow regex_milter_t self:capability { dac_override setgid setuid };

files_search_spool(regex_milter_t)

mta_read_config(regex_milter_t)

########################################
#
# spamass local policy
#

allow spamass_milter_t self:process sigkill;
allow spamass_milter_t self:unix_stream_socket { accept listen };

allow spamass_milter_t spamass_milter_state_t:dir search_dir_perms;

kernel_read_system_state(spamass_milter_t)
kernel_read_vm_overcommit_sysctl(spamass_milter_t)

corecmd_exec_shell(spamass_milter_t)

dev_read_sysfs(spamass_milter_t)

files_search_var_lib(spamass_milter_t)

optional_policy(`
	mta_send_mail(spamass_milter_t)
')

optional_policy(`
	postfix_search_spool(spamass_milter_t)
')

optional_policy(`
	spamassassin_domtrans_client(spamass_milter_t)
')