policy_module(sendmail, 1.12.1)

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

attribute_role sendmail_roles;

attribute_role sendmail_unconfined_roles;
roleattribute system_r sendmail_unconfined_roles;

type sendmail_initrc_exec_t;
init_script_file(sendmail_initrc_exec_t)

type sendmail_keytab_t;
files_type(sendmail_keytab_t)

type sendmail_log_t;
logging_log_file(sendmail_log_t)

type sendmail_tmp_t;
files_tmp_file(sendmail_tmp_t)

type sendmail_var_run_t;
files_pid_file(sendmail_var_run_t)

type sendmail_t;
mta_sendmail_mailserver(sendmail_t)
mta_mailserver_delivery(sendmail_t)
mta_mailserver_sender(sendmail_t)
role sendmail_roles types sendmail_t;

type unconfined_sendmail_t;
application_domain(unconfined_sendmail_t, sendmail_exec_t)
role sendmail_unconfined_roles types unconfined_sendmail_t;

########################################
#
# Sendmail local policy
#

allow sendmail_t self:capability { dac_read_search dac_override setuid setgid net_bind_service sys_nice chown sys_tty_config };
dontaudit sendmail_t self:capability net_admin;
dontaudit sendmail_t self:capability2 block_suspend;
allow sendmail_t self:process { setsched setpgid setrlimit signal signull };
allow sendmail_t self:fifo_file rw_fifo_file_perms;
allow sendmail_t self:unix_stream_socket create_stream_socket_perms;
allow sendmail_t self:unix_dgram_socket create_socket_perms;
allow sendmail_t self:tcp_socket create_stream_socket_perms;
allow sendmail_t self:udp_socket create_socket_perms;

allow sendmail_t sendmail_log_t:dir setattr_dir_perms;
manage_files_pattern(sendmail_t, sendmail_log_t, sendmail_log_t)
allow sendmail_t sendmail_keytab_t:file read_file_perms;

logging_log_filetrans(sendmail_t, sendmail_log_t, { file dir })

manage_dirs_pattern(sendmail_t, sendmail_tmp_t, sendmail_tmp_t)
manage_files_pattern(sendmail_t, sendmail_tmp_t, sendmail_tmp_t)
files_tmp_filetrans(sendmail_t, sendmail_tmp_t, { file dir })

allow sendmail_t sendmail_var_run_t:file manage_file_perms;
files_pid_filetrans(sendmail_t, sendmail_var_run_t, file)

kernel_read_network_state(sendmail_t)
kernel_read_kernel_sysctls(sendmail_t)
# for piping mail to a command
kernel_read_system_state(sendmail_t)
kernel_search_network_sysctl(sendmail_t)
kernel_read_kernel_sysctls(sendmail_t)
kernel_read_net_sysctls(sendmail_t)

corenet_all_recvfrom_netlabel(sendmail_t)
corenet_tcp_sendrecv_generic_if(sendmail_t)
corenet_tcp_sendrecv_generic_node(sendmail_t)
corenet_tcp_sendrecv_all_ports(sendmail_t)
corenet_tcp_bind_generic_node(sendmail_t)
corenet_tcp_bind_smtp_port(sendmail_t)
corenet_tcp_connect_all_ports(sendmail_t)
corenet_sendrecv_smtp_server_packets(sendmail_t)
corenet_sendrecv_smtp_client_packets(sendmail_t)

dev_read_urand(sendmail_t)
dev_read_sysfs(sendmail_t)

fs_getattr_all_fs(sendmail_t)
fs_search_auto_mountpoints(sendmail_t)
fs_rw_anon_inodefs_files(sendmail_t)

term_dontaudit_use_console(sendmail_t)
term_dontaudit_use_generic_ptys(sendmail_t)

# for piping mail to a command
corecmd_exec_shell(sendmail_t)
corecmd_exec_bin(sendmail_t)

domain_use_interactive_fds(sendmail_t)

files_search_spool(sendmail_t)
# for piping mail to a command
files_read_etc_runtime_files(sendmail_t)
files_read_all_tmp_files(sendmail_t)

init_use_fds(sendmail_t)
init_use_script_ptys(sendmail_t)
# sendmail wants to read /var/run/utmp if the controlling tty is /dev/console
init_read_utmp(sendmail_t)
init_dontaudit_write_utmp(sendmail_t)
init_rw_script_tmp_files(sendmail_t)

auth_use_nsswitch(sendmail_t)

# Read /usr/lib/sasl2/.*
libs_read_lib_files(sendmail_t)

logging_send_syslog_msg(sendmail_t)
logging_dontaudit_write_generic_logs(sendmail_t)

miscfiles_read_generic_certs(sendmail_t)

userdom_dontaudit_use_unpriv_user_fds(sendmail_t)
userdom_read_user_home_content_files(sendmail_t)
userdom_dontaudit_list_user_home_dirs(sendmail_t)

mta_read_config(sendmail_t)
mta_etc_filetrans_aliases(sendmail_t)
# Write to /etc/aliases and /etc/mail.
mta_map_aliases(sendmail_t)
mta_manage_aliases(sendmail_t)
# Write to /var/spool/mail and /var/spool/mqueue.
mta_manage_queue(sendmail_t)
mta_manage_spool(sendmail_t)
mta_sendmail_exec(sendmail_t)

optional_policy(`
	cfengine_dontaudit_write_log(sendmail_t)
')

optional_policy(`
	cron_read_pipes(sendmail_t)
')

optional_policy(`
	antivirus_search_db(sendmail_t)
	antivirus_stream_connect(sendmail_t)
')

optional_policy(`
	cyrus_stream_connect(sendmail_t)
')

optional_policy(`
    dbus_system_bus_client(sendmail_t)
')

optional_policy(`
	dovecot_write_inherited_tmp_files(sendmail_t)
')

optional_policy(`
	exim_domtrans(sendmail_t)
	exim_manage_spool_files(sendmail_t)
	exim_manage_spool_dirs(sendmail_t)
	exim_read_log(sendmail_t)
')

optional_policy(`
	fail2ban_read_lib_files(sendmail_t)
	fail2ban_rw_stream_sockets(sendmail_t)
')

optional_policy(`
	kerberos_read_keytab(sendmail_t)
	kerberos_use(sendmail_t)
')

optional_policy(`
	inn_write_inherited_news_lib(sendmail_t)
')

optional_policy(`
	milter_stream_connect_all(sendmail_t)
')

optional_policy(`
	munin_dontaudit_search_lib(sendmail_t)
')

optional_policy(`
	openshift_dontaudit_rw_inherited_fifo_files(sendmail_t)
	openshift_rw_inherited_content(sendmail_t)
')

optional_policy(`
	postfix_domtrans_postdrop(sendmail_t)
	postfix_domtrans_master(sendmail_t)
	postfix_domtrans_postqueue(sendmail_t)
	postfix_read_config(sendmail_t)
	postfix_search_spool(sendmail_t)
')

optional_policy(`
	procmail_domtrans(sendmail_t)
	procmail_rw_tmp_files(sendmail_t)
')

optional_policy(`
	seutil_sigchld_newrole(sendmail_t)
')

optional_policy(`
	sasl_connect(sendmail_t)
')

optional_policy(`
	spamd_stream_connect(sendmail_t)
')

optional_policy(`
	udev_read_db(sendmail_t)
')

optional_policy(`
	uucp_domtrans_uux(sendmail_t)
')

########################################
#
# Unconfined local policy
#

optional_policy(`
	mta_filetrans_named_content(unconfined_sendmail_t)
	unconfined_domain(unconfined_sendmail_t)
')
