policy_module(postfix, 1.15.1)

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

## <desc>
## <p>
## Allow postfix_local domain full write access to mail_spool directories
## </p>
## </desc>
gen_tunable(postfix_local_write_mail_spool, true)

attribute postfix_domain;
attribute postfix_spool_type;
attribute postfix_user_domains;
# domains that transition to the
# postfix user domains
attribute postfix_user_domtrans;

postfix_server_domain_template(bounce)

type postfix_spool_bounce_t, postfix_spool_type;
files_spool_file(postfix_spool_bounce_t)

postfix_server_domain_template(cleanup)

type postfix_etc_t;
files_config_file(postfix_etc_t)

type postfix_exec_t;
application_executable_file(postfix_exec_t)

type postfix_keytab_t;
files_type(postfix_keytab_t)

postfix_server_domain_template(local)
mta_mailserver_delivery(postfix_local_t)

# Program for creating database files
type postfix_map_t;
type postfix_map_exec_t;
application_domain(postfix_map_t, postfix_map_exec_t)
role system_r types postfix_map_t;

type postfix_map_tmp_t;
files_tmp_file(postfix_map_tmp_t)

postfix_domain_template(master)
typealias postfix_master_t alias postfix_t;
# alias is a hack to make the disable trans bool
# generation macro work
mta_mailserver(postfix_t, postfix_master_exec_t)

type postfix_initrc_exec_t;
init_script_file(postfix_initrc_exec_t)

postfix_server_domain_template(pickup)

postfix_server_domain_template(pipe)

postfix_user_domain_template(postdrop)
mta_mailserver_user_agent(postfix_postdrop_t)
mta_agent_executable(postfix_postdrop_t)

postfix_user_domain_template(postqueue)
mta_mailserver_user_agent(postfix_postqueue_t)

type postfix_private_t;
files_type(postfix_private_t)

type postfix_prng_t;
files_type(postfix_prng_t)

postfix_server_domain_template(qmgr)

postfix_user_domain_template(showq)

postfix_server_domain_template(smtp)
mta_mailserver_sender(postfix_smtp_t)

postfix_server_domain_template(smtpd)

type postfix_spool_t, postfix_spool_type;
files_spool_file(postfix_spool_t)

typealias postfix_spool_t alias postfix_spool_maildrop_t;
files_spool_file(postfix_spool_maildrop_t)

typealias postfix_spool_t alias postfix_spool_flush_t;
files_spool_file(postfix_spool_flush_t)

type postfix_public_t;
files_type(postfix_public_t)

type postfix_var_run_t;
files_pid_file(postfix_var_run_t)

# the data_directory config parameter
type postfix_data_t;
files_type(postfix_data_t)

postfix_server_domain_template(virtual)
mta_mailserver_delivery(postfix_virtual_t)

########################################
#
# Postfix master process local policy
#

dontaudit postfix_master_t self:capability { net_admin };
# chown is to set the correct ownership of queue dirs
allow postfix_master_t self:capability { chown dac_read_search kill setgid setuid net_bind_service sys_tty_config };
allow postfix_master_t self:capability2 block_suspend;

allow postfix_master_t self:process setrlimit;
allow postfix_master_t self:tcp_socket create_stream_socket_perms;
allow postfix_master_t self:udp_socket create_socket_perms;

allow postfix_master_t postfix_etc_t:dir rw_dir_perms;
allow postfix_master_t postfix_etc_t:file rw_file_perms;
mta_filetrans_aliases(postfix_master_t, postfix_etc_t)

can_exec(postfix_master_t, postfix_exec_t)

allow postfix_master_t postfix_data_t:dir manage_dir_perms;
allow postfix_master_t postfix_data_t:file manage_file_perms;

allow postfix_master_t postfix_keytab_t:file read_file_perms;

allow postfix_master_t postfix_map_exec_t:file { mmap_file_perms ioctl lock };

allow postfix_master_t postfix_postqueue_exec_t:file getattr_file_perms;

manage_files_pattern(postfix_master_t, postfix_private_t, postfix_private_t)
manage_fifo_files_pattern(postfix_master_t, postfix_private_t, postfix_private_t)
manage_sock_files_pattern(postfix_master_t, postfix_private_t, postfix_private_t)

domtrans_pattern(postfix_master_t, postfix_postqueue_exec_t, postfix_postqueue_t)

allow postfix_master_t postfix_prng_t:file rw_file_perms;

manage_fifo_files_pattern(postfix_master_t, postfix_public_t, postfix_public_t)
manage_sock_files_pattern(postfix_master_t, postfix_public_t, postfix_public_t)

domtrans_pattern(postfix_master_t, postfix_showq_exec_t, postfix_showq_t)

# allow access to deferred queue and allow removing bogus incoming entries
manage_dirs_pattern(postfix_master_t, postfix_spool_t, postfix_spool_t)
manage_files_pattern(postfix_master_t, postfix_spool_t, postfix_spool_t)
files_spool_filetrans(postfix_master_t, postfix_spool_t, dir)

allow postfix_master_t postfix_spool_bounce_t:dir manage_dir_perms;
allow postfix_master_t postfix_spool_bounce_t:file getattr_file_perms;

manage_dirs_pattern(postfix_master_t, postfix_spool_flush_t, postfix_spool_flush_t)
manage_files_pattern(postfix_master_t, postfix_spool_flush_t, postfix_spool_flush_t)
manage_lnk_files_pattern(postfix_master_t, postfix_spool_flush_t, postfix_spool_flush_t)

create_dirs_pattern(postfix_master_t, postfix_spool_t, postfix_spool_maildrop_t)
delete_files_pattern(postfix_master_t, postfix_spool_maildrop_t, postfix_spool_maildrop_t)
rename_files_pattern(postfix_master_t, postfix_spool_maildrop_t, postfix_spool_maildrop_t)
setattr_dirs_pattern(postfix_master_t, postfix_spool_maildrop_t, postfix_spool_maildrop_t)
filetrans_pattern(postfix_master_t, postfix_spool_t, postfix_spool_maildrop_t, dir, "defer")
filetrans_pattern(postfix_master_t, postfix_spool_t, postfix_spool_maildrop_t, dir, "deferred")
filetrans_pattern(postfix_master_t, postfix_spool_t, postfix_spool_maildrop_t, dir, "maildrop")

kernel_read_all_sysctls(postfix_master_t)

corenet_all_recvfrom_netlabel(postfix_master_t)
corenet_tcp_sendrecv_generic_if(postfix_master_t)
corenet_udp_sendrecv_generic_if(postfix_master_t)
corenet_tcp_sendrecv_generic_node(postfix_master_t)
corenet_udp_sendrecv_generic_node(postfix_master_t)
corenet_tcp_sendrecv_all_ports(postfix_master_t)
corenet_udp_sendrecv_all_ports(postfix_master_t)
corenet_udp_bind_generic_node(postfix_master_t)
corenet_udp_bind_all_unreserved_ports(postfix_master_t)
corenet_tcp_bind_all_unreserved_ports(postfix_master_t)
corenet_dontaudit_udp_bind_all_ports(postfix_master_t)
corenet_tcp_bind_generic_node(postfix_master_t)
corenet_tcp_bind_amavisd_send_port(postfix_master_t)
corenet_tcp_bind_smtp_port(postfix_master_t)
corenet_tcp_connect_all_ports(postfix_master_t)
corenet_sendrecv_amavisd_send_server_packets(postfix_master_t)
corenet_sendrecv_smtp_server_packets(postfix_master_t)
corenet_sendrecv_all_client_packets(postfix_master_t)
# for spampd
corenet_tcp_bind_spamd_port(postfix_master_t)

# for a find command
selinux_dontaudit_search_fs(postfix_master_t)

corecmd_exec_shell(postfix_master_t)
corecmd_exec_bin(postfix_master_t)

domain_use_interactive_fds(postfix_master_t)

files_search_var_lib(postfix_master_t)
files_search_tmp(postfix_master_t)


init_stream_connect(postfix_master_t)

term_dontaudit_search_ptys(postfix_master_t)

seutil_sigchld_newrole(postfix_master_t)

mta_rw_aliases(postfix_master_t)
mta_read_sendmail_bin(postfix_master_t)
mta_getattr_spool(postfix_master_t)

ifdef(`distro_redhat',`
	# for newer main.cf that uses /etc/aliases
	mta_manage_aliases(postfix_master_t)
	mta_etc_filetrans_aliases(postfix_master_t)
')

optional_policy(`
	cyrus_stream_connect(postfix_master_t)
')

optional_policy(`
    dbus_system_bus_client(postfix_master_t)
')

optional_policy(`
	kerberos_read_keytab(postfix_master_t)
	kerberos_use(postfix_master_t)
')

optional_policy(`
    mysql_read_config(postfix_master_t)
')

optional_policy(`
	postgrey_search_spool(postfix_master_t)
')

optional_policy(`
	sendmail_signal(postfix_master_t)
')

########################################
#
# Postfix bounce local policy
#

allow postfix_bounce_t self:capability dac_read_search;
allow postfix_bounce_t self:tcp_socket create_socket_perms;

allow postfix_bounce_t postfix_public_t:sock_file write;
allow postfix_bounce_t postfix_public_t:dir search_dir_perms;

manage_dirs_pattern(postfix_bounce_t, postfix_spool_t, postfix_spool_t)
manage_files_pattern(postfix_bounce_t, postfix_spool_t, postfix_spool_t)
manage_lnk_files_pattern(postfix_bounce_t, postfix_spool_t, postfix_spool_t)
files_spool_filetrans(postfix_bounce_t, postfix_spool_t, dir)

manage_files_pattern(postfix_bounce_t, postfix_spool_maildrop_t, postfix_spool_maildrop_t)
manage_dirs_pattern(postfix_bounce_t, postfix_spool_maildrop_t, postfix_spool_maildrop_t)
allow postfix_bounce_t postfix_spool_maildrop_t:lnk_file read_lnk_file_perms;

manage_dirs_pattern(postfix_bounce_t, postfix_spool_bounce_t, postfix_spool_bounce_t)
manage_files_pattern(postfix_bounce_t, postfix_spool_bounce_t, postfix_spool_bounce_t)
manage_lnk_files_pattern(postfix_bounce_t, postfix_spool_bounce_t, postfix_spool_bounce_t)

########################################
#
# Postfix cleanup local policy
#

allow postfix_cleanup_t self:process setrlimit;
allow postfix_cleanup_t postfix_smtpd_t:tcp_socket rw_stream_socket_perms;

# connect to master process
stream_connect_pattern(postfix_cleanup_t, postfix_private_t, postfix_private_t, postfix_master_t)

rw_fifo_files_pattern(postfix_cleanup_t, postfix_public_t, postfix_public_t)
write_sock_files_pattern(postfix_cleanup_t, postfix_public_t, postfix_public_t)
allow postfix_cleanup_t postfix_smtpd_t:unix_stream_socket rw_socket_perms;

manage_dirs_pattern(postfix_cleanup_t, postfix_spool_t, postfix_spool_t)
manage_files_pattern(postfix_cleanup_t, postfix_spool_t, postfix_spool_t)
manage_lnk_files_pattern(postfix_cleanup_t, postfix_spool_t, postfix_spool_t)
files_spool_filetrans(postfix_cleanup_t, postfix_spool_t, dir)

allow postfix_cleanup_t postfix_spool_maildrop_t:dir list_dir_perms;
allow postfix_cleanup_t postfix_spool_maildrop_t:file read_file_perms;
allow postfix_cleanup_t postfix_spool_maildrop_t:lnk_file read_lnk_file_perms;

allow postfix_cleanup_t postfix_spool_bounce_t:dir list_dir_perms;

corecmd_exec_bin(postfix_cleanup_t)

# allow postfix to connect to sqlgrey
corenet_tcp_connect_rtsclient_port(postfix_cleanup_t)

optional_policy(`
	mailman_read_data_files(postfix_cleanup_t)
')

optional_policy(`
	milter_stream_connect_all(postfix_cleanup_t)
')

########################################
#
# Postfix local local policy
#

allow postfix_local_t self:capability { dac_read_search dac_override };

allow postfix_local_t self:process { setsched setrlimit };

# connect to master process
stream_connect_pattern(postfix_local_t, postfix_public_t, postfix_public_t, postfix_master_t)

# for .forward - maybe we need a new type for it?
rw_sock_files_pattern(postfix_local_t, postfix_private_t, postfix_private_t)
rw_files_pattern(postfix_local_t, postfix_spool_maildrop_t, postfix_spool_maildrop_t)

domtrans_pattern(postfix_local_t, postfix_postdrop_exec_t, postfix_postdrop_t)

allow postfix_local_t postfix_spool_t:file rw_file_perms;

corecmd_exec_shell(postfix_local_t)
corecmd_exec_bin(postfix_local_t)

logging_dontaudit_search_logs(postfix_local_t)

mta_delete_spool(postfix_local_t)
# Handle vacation script
mta_send_mail(postfix_local_t)

userdom_read_user_home_content_files(postfix_local_t)
userdom_exec_user_bin_files(postfix_local_t)

tunable_policy(`use_nfs_home_dirs',`
	fs_exec_nfs_files(postfix_local_t)
')

tunable_policy(`use_samba_home_dirs',`
	fs_exec_cifs_files(postfix_local_t)
')

tunable_policy(`postfix_local_write_mail_spool',`
	mta_manage_spool(postfix_local_t)
')

optional_policy(`
	antivirus_search_db(postfix_local_t)
	antivirus_exec(postfix_local_t)
	antivirus_stream_connect(postfix_domain)
')

optional_policy(`
    dbus_system_bus_client(postfix_local_t)
')

optional_policy(`
	dovecot_domtrans_deliver(postfix_local_t)
')

optional_policy(`
	dspam_domtrans(postfix_local_t)
')

optional_policy(`
#	for postalias
	mailman_manage_data_files(postfix_local_t)
	mailman_append_log(postfix_local_t)
	mailman_read_log(postfix_local_t)
')

optional_policy(`
    munin_search_lib(postfix_local_t)
')

optional_policy(`
	nagios_search_spool(postfix_local_t)
')

optional_policy(`
	openshift_search_lib(postfix_local_t)
')

optional_policy(`
	procmail_domtrans(postfix_local_t)
')

optional_policy(`
	sendmail_rw_pipes(postfix_local_t)
')

optional_policy(`
	zarafa_domtrans_deliver(postfix_local_t)
	zarafa_stream_connect_server(postfix_local_t)
')

########################################
#
# Postfix map local policy
#
allow postfix_map_t self:capability { dac_read_search  setgid setuid };
allow postfix_map_t self:unix_stream_socket create_stream_socket_perms;
allow postfix_map_t self:unix_dgram_socket create_socket_perms;
allow postfix_map_t self:tcp_socket create_stream_socket_perms;
allow postfix_map_t self:udp_socket create_socket_perms;

manage_dirs_pattern(postfix_map_t, postfix_etc_t, postfix_etc_t)
manage_files_pattern(postfix_map_t, postfix_etc_t, postfix_etc_t)
manage_lnk_files_pattern(postfix_map_t, postfix_etc_t, postfix_etc_t)

manage_dirs_pattern(postfix_map_t, postfix_map_tmp_t, postfix_map_tmp_t)
manage_files_pattern(postfix_map_t, postfix_map_tmp_t, postfix_map_tmp_t)
files_tmp_filetrans(postfix_map_t, postfix_map_tmp_t, { file dir })

kernel_read_kernel_sysctls(postfix_map_t)
kernel_dontaudit_list_proc(postfix_map_t)
kernel_dontaudit_read_system_state(postfix_map_t)

corenet_all_recvfrom_netlabel(postfix_map_t)
corenet_tcp_sendrecv_generic_if(postfix_map_t)
corenet_udp_sendrecv_generic_if(postfix_map_t)
corenet_tcp_sendrecv_generic_node(postfix_map_t)
corenet_udp_sendrecv_generic_node(postfix_map_t)
corenet_tcp_sendrecv_all_ports(postfix_map_t)
corenet_udp_sendrecv_all_ports(postfix_map_t)
corenet_tcp_connect_all_ports(postfix_map_t)
corenet_sendrecv_all_client_packets(postfix_map_t)

corecmd_list_bin(postfix_map_t)
corecmd_read_bin_symlinks(postfix_map_t)
corecmd_read_bin_files(postfix_map_t)
corecmd_read_bin_pipes(postfix_map_t)
corecmd_read_bin_sockets(postfix_map_t)

files_list_home(postfix_map_t)
files_read_etc_runtime_files(postfix_map_t)
files_dontaudit_search_var(postfix_map_t)

auth_use_nsswitch(postfix_map_t)

logging_send_syslog_msg(postfix_map_t)

userdom_use_inherited_user_ptys(postfix_map_t)

optional_policy(`
	locallogin_dontaudit_use_fds(postfix_map_t)
')

optional_policy(`
#	for postalias
	mailman_manage_data_files(postfix_map_t)
')

########################################
#
# Postfix pickup local policy
#

dontaudit postfix_pickup_t self:capability net_admin;

allow postfix_pickup_t self:tcp_socket create_socket_perms;

stream_connect_pattern(postfix_pickup_t, postfix_private_t, postfix_private_t, postfix_master_t)

rw_fifo_files_pattern(postfix_pickup_t, postfix_public_t, postfix_public_t)
rw_sock_files_pattern(postfix_pickup_t, postfix_public_t, postfix_public_t)

allow postfix_pickup_t postfix_spool_t:dir list_dir_perms;
read_files_pattern(postfix_pickup_t, postfix_spool_t, postfix_spool_t)
delete_files_pattern(postfix_pickup_t, postfix_spool_t, postfix_spool_t)

postfix_list_spool(postfix_pickup_t)

allow postfix_pickup_t postfix_spool_maildrop_t:dir list_dir_perms;
read_files_pattern(postfix_pickup_t, postfix_spool_maildrop_t, postfix_spool_maildrop_t)
delete_files_pattern(postfix_pickup_t, postfix_spool_maildrop_t, postfix_spool_maildrop_t)

########################################
#
# Postfix pipe local policy
#

allow postfix_pipe_t self:process setrlimit;

write_sock_files_pattern(postfix_pipe_t, postfix_private_t, postfix_private_t)
write_sock_files_pattern(postfix_pipe_t, postfix_public_t, postfix_public_t)

write_fifo_files_pattern(postfix_pipe_t, postfix_public_t, postfix_public_t)

rw_files_pattern(postfix_pipe_t, postfix_spool_t, postfix_spool_t)

domtrans_pattern(postfix_pipe_t, postfix_postdrop_exec_t, postfix_postdrop_t)

corecmd_exec_bin(postfix_pipe_t)

optional_policy(`
    cyrus_stream_connect(postfix_pipe_t)
')

optional_policy(`
	dovecot_domtrans_deliver(postfix_pipe_t)
')

optional_policy(`
	procmail_domtrans(postfix_pipe_t)
')

optional_policy(`
	mailman_domtrans_queue(postfix_pipe_t)
')

optional_policy(`
	mta_manage_spool(postfix_pipe_t)
	mta_send_mail(postfix_pipe_t)
')

optional_policy(`
	spamassassin_domtrans_client(postfix_pipe_t)
	spamassassin_kill_client(postfix_pipe_t)
')

optional_policy(`
	uucp_domtrans_uux(postfix_pipe_t)
')

########################################
#
# Postfix postdrop local policy
#

# usually it does not need a UDP socket
allow postfix_postdrop_t self:capability sys_resource;
allow postfix_postdrop_t self:tcp_socket create;
allow postfix_postdrop_t self:udp_socket create_socket_perms;

# Might be a leak, but I need a postfix expert to explain
allow postfix_postdrop_t postfix_local_t:unix_stream_socket { read write };
allow postfix_postdrop_t postfix_master_t:unix_stream_socket connectto;

rw_fifo_files_pattern(postfix_postdrop_t, postfix_public_t, postfix_public_t)
rw_sock_files_pattern(postfix_postdrop_t, postfix_public_t, postfix_public_t)

rw_fifo_files_pattern(postfix_postdrop_t, postfix_master_t, postfix_master_t)

postfix_list_spool(postfix_postdrop_t)
manage_files_pattern(postfix_postdrop_t, postfix_spool_maildrop_t, postfix_spool_maildrop_t)

corenet_udp_sendrecv_generic_if(postfix_postdrop_t)
corenet_udp_sendrecv_generic_node(postfix_postdrop_t)

term_dontaudit_use_all_ptys(postfix_postdrop_t)
term_dontaudit_use_all_ttys(postfix_postdrop_t)

mta_rw_user_mail_stream_sockets(postfix_postdrop_t)

optional_policy(`
	apache_dontaudit_rw_fifo_file(postfix_postdrop_t)
')

optional_policy(`
	cron_system_entry(postfix_postdrop_t, postfix_postdrop_exec_t)
')

# https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=239951
optional_policy(`
	fstools_read_pipes(postfix_postdrop_t)
')

optional_policy(`
	sendmail_rw_unix_stream_sockets(postfix_postdrop_t)
')

optional_policy(`
	uucp_manage_spool(postfix_postdrop_t)
')

#######################################
#
# Postfix postqueue local policy
#

allow postfix_postqueue_t self:capability2 block_suspend;
allow postfix_postqueue_t self:tcp_socket create;
allow postfix_postqueue_t self:udp_socket { create ioctl };

# wants to write to /var/spool/postfix/public/showq
stream_connect_pattern(postfix_postqueue_t, postfix_public_t, postfix_public_t, postfix_master_t)

# write to /var/spool/postfix/public/qmgr
write_fifo_files_pattern(postfix_postqueue_t, postfix_public_t, postfix_public_t)

domtrans_pattern(postfix_postqueue_t, postfix_showq_exec_t, postfix_showq_t)

# to write the mailq output, it really should not need read access!
term_use_all_inherited_ptys(postfix_postqueue_t)
term_use_all_inherited_ttys(postfix_postqueue_t)

init_sigchld_script(postfix_postqueue_t)
init_use_script_fds(postfix_postqueue_t)

optional_policy(`
	cron_system_entry(postfix_postqueue_t, postfix_postqueue_exec_t)
')

optional_policy(`
	ppp_use_fds(postfix_postqueue_t)
	ppp_sigchld(postfix_postqueue_t)
')

########################################
#
# Postfix qmgr local policy
#

dontaudit postfix_qmgr_t self:capability { net_admin };

stream_connect_pattern(postfix_qmgr_t, { postfix_private_t postfix_public_t }, { postfix_private_t postfix_public_t }, postfix_master_t)

rw_fifo_files_pattern(postfix_qmgr_t, postfix_public_t, postfix_public_t)

# for /var/spool/postfix/active
manage_dirs_pattern(postfix_qmgr_t, postfix_spool_t, postfix_spool_t)
manage_files_pattern(postfix_qmgr_t, postfix_spool_t, postfix_spool_t)
manage_lnk_files_pattern(postfix_qmgr_t, postfix_spool_t, postfix_spool_t)
files_spool_filetrans(postfix_qmgr_t, postfix_spool_t, dir)

allow postfix_qmgr_t postfix_spool_bounce_t:dir list_dir_perms;
allow postfix_qmgr_t postfix_spool_bounce_t:file read_file_perms;
allow postfix_qmgr_t postfix_spool_bounce_t:lnk_file read_lnk_file_perms;

manage_files_pattern(postfix_qmgr_t, postfix_spool_maildrop_t, postfix_spool_maildrop_t)
manage_dirs_pattern(postfix_qmgr_t, postfix_spool_maildrop_t, postfix_spool_maildrop_t)
allow postfix_qmgr_t postfix_spool_maildrop_t:lnk_file read_lnk_file_perms;

corecmd_exec_bin(postfix_qmgr_t)

########################################
#
# Postfix showq local policy
#

allow postfix_showq_t self:capability { setuid setgid };
allow postfix_showq_t self:tcp_socket create_socket_perms;

allow postfix_showq_t postfix_master_t:unix_stream_socket { accept rw_socket_perms };

allow postfix_showq_t postfix_spool_t:file read_file_perms;

postfix_list_spool(postfix_showq_t)

allow postfix_showq_t postfix_spool_maildrop_t:dir list_dir_perms;
allow postfix_showq_t postfix_spool_maildrop_t:file read_file_perms;
allow postfix_showq_t postfix_spool_maildrop_t:lnk_file read_lnk_file_perms;

# to write the mailq output, it really should not need read access!
term_use_all_ptys(postfix_showq_t)
term_use_all_ttys(postfix_showq_t)

optional_policy(`
    logwatch_dontaudit_leaks(postfix_showq_t)
')

########################################
#
# Postfix smtp delivery local policy
#

# connect to master process
allow postfix_smtp_t self:capability sys_chroot;
stream_connect_pattern(postfix_smtp_t, { postfix_private_t postfix_public_t }, { postfix_private_t postfix_public_t }, postfix_master_t)

allow postfix_smtp_t postfix_prng_t:file rw_file_perms;

allow postfix_smtp_t postfix_spool_t:file rw_file_perms;

rw_files_pattern(postfix_smtp_t, postfix_spool_maildrop_t, postfix_spool_maildrop_t)

corenet_tcp_bind_generic_node(postfix_smtp_t)
# for spampd
corenet_tcp_connect_spamd_port(postfix_master_t)

files_search_all_mountpoints(postfix_smtp_t)

optional_policy(`
	cyrus_stream_connect(postfix_smtp_t)
	cyrus_runtime_stream_connect(postfix_smtp_t)
')

optional_policy(`
    dovecot_stream_connect(postfix_smtp_t)
')

optional_policy(`
	dspam_stream_connect(postfix_smtp_t)
')

optional_policy(`
	milter_stream_connect_all(postfix_smtp_t)
')

########################################
#
# Postfix smtpd local policy
#
allow postfix_smtpd_t postfix_master_t:tcp_socket rw_stream_socket_perms;

# connect to master process
stream_connect_pattern(postfix_smtpd_t, { postfix_private_t postfix_public_t }, { postfix_private_t postfix_public_t }, postfix_master_t)

# Connect to policy server
corenet_tcp_connect_postfix_policyd_port(postfix_smtpd_t)

# for prng_exch
manage_dirs_pattern(postfix_smtpd_t, postfix_spool_t, postfix_spool_t)
manage_files_pattern(postfix_smtpd_t, postfix_spool_t, postfix_spool_t)
manage_lnk_files_pattern(postfix_smtpd_t, postfix_spool_t, postfix_spool_t)
allow postfix_smtpd_t postfix_prng_t:file rw_file_perms;

corecmd_exec_bin(postfix_smtpd_t)

# for OpenSSL certificates

# postfix checks the size of all mounted file systems
fs_getattr_all_dirs(postfix_smtpd_t)

optional_policy(`
    antivirus_stream_connect(postfix_smtpd_t)
')

optional_policy(`
	dovecot_stream_connect_auth(postfix_smtpd_t)
	dovecot_stream_connect(postfix_smtpd_t)
')

optional_policy(`
	mailman_read_data_files(postfix_smtpd_t)
')

optional_policy(`
	milter_stream_connect_all(postfix_smtpd_t)
	spamassassin_read_pid_files(postfix_smtpd_t)
')

optional_policy(`
	postgrey_stream_connect(postfix_smtpd_t)
')

optional_policy(`
	sasl_connect(postfix_smtpd_t)
')

########################################
#
# Postfix virtual local policy
#

allow postfix_virtual_t self:process { setsched setrlimit };

manage_files_pattern(postfix_virtual_t, postfix_spool_t, postfix_spool_t)

# connect to master process
stream_connect_pattern(postfix_virtual_t, { postfix_private_t postfix_public_t }, { postfix_private_t postfix_public_t }, postfix_master_t)

corecmd_exec_shell(postfix_virtual_t)
corecmd_exec_bin(postfix_virtual_t)

mta_delete_spool(postfix_virtual_t)
mta_manage_spool(postfix_virtual_t)

userdom_manage_user_home_dirs(postfix_virtual_t)
userdom_manage_user_home_content(postfix_virtual_t)
userdom_filetrans_home_content(postfix_virtual_t)

########################################
#
# postfix_domain common policy
#
allow postfix_domain self:capability { sys_nice sys_chroot };
dontaudit postfix_domain self:capability sys_tty_config;
allow postfix_domain self:process { signal_perms setpgid setsched };
allow postfix_domain self:unix_dgram_socket create_socket_perms;
allow postfix_domain self:unix_stream_socket create_stream_socket_perms;
allow postfix_domain self:unix_stream_socket connectto;
allow postfix_domain self:fifo_file rw_fifo_file_perms;

allow postfix_master_t postfix_domain:fifo_file { read write };
allow postfix_master_t postfix_domain:process signal;
#https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=244456
allow postfix_domain postfix_master_t:file read;
allow postfix_domain postfix_etc_t:dir list_dir_perms;
read_files_pattern(postfix_domain, postfix_etc_t, postfix_etc_t)
read_lnk_files_pattern(postfix_domain, postfix_etc_t, postfix_etc_t)

allow postfix_domain postfix_exec_t:file { mmap_file_perms lock };

allow postfix_domain postfix_master_t:process sigchld;

allow postfix_domain postfix_spool_t:dir list_dir_perms;

manage_files_pattern(postfix_domain, postfix_var_run_t, postfix_var_run_t)
files_pid_filetrans(postfix_domain, postfix_var_run_t, file)

kernel_read_network_state(postfix_domain)
kernel_read_all_sysctls(postfix_domain)
kernel_dontaudit_request_load_module(postfix_domain)

dev_read_sysfs(postfix_domain)
dev_read_rand(postfix_domain)
dev_read_urand(postfix_domain)

fs_search_auto_mountpoints(postfix_domain)
fs_getattr_all_fs(postfix_domain)
fs_rw_anon_inodefs_files(postfix_domain)

term_dontaudit_use_console(postfix_domain)

corecmd_exec_shell(postfix_domain)
corecmd_getattr_all_executables(postfix_domain)

files_read_etc_runtime_files(postfix_domain)
files_read_usr_symlinks(postfix_domain)
files_search_spool(postfix_domain)
files_list_tmp(postfix_domain)
files_search_all_mountpoints(postfix_domain)
files_map_system_db_files(postfix_domain)

init_dontaudit_use_fds(postfix_domain)
init_sigchld(postfix_domain)
init_dontaudit_rw_stream_socket(postfix_domain)

# For reading spamassasin
mta_read_config(postfix_domain)
mta_read_aliases(postfix_domain)

miscfiles_read_generic_certs(postfix_domain)

userdom_dontaudit_use_unpriv_user_fds(postfix_domain)

optional_policy(`
	mysql_stream_connect(postfix_domain)
    mysql_rw_db_sockets(postfix_domain)
')

optional_policy(`
	spamd_stream_connect(postfix_domain)
	spamassassin_domtrans_client(postfix_domain)
')

optional_policy(`
	udev_read_db(postfix_domain)
')
