243 lines
6.2 KiB
Plaintext
243 lines
6.2 KiB
Plaintext
|
|
policy_module(mta, 2.1.3)
|
|
|
|
########################################
|
|
#
|
|
# Declarations
|
|
#
|
|
|
|
attribute mailcontent_type;
|
|
attribute mta_exec_type;
|
|
attribute mta_user_agent;
|
|
attribute mailserver_delivery;
|
|
attribute mailserver_domain;
|
|
attribute mailserver_sender;
|
|
|
|
attribute user_mail_domain;
|
|
|
|
type etc_aliases_t;
|
|
files_type(etc_aliases_t)
|
|
|
|
type etc_mail_t;
|
|
files_config_file(etc_mail_t)
|
|
|
|
type mqueue_spool_t;
|
|
files_mountpoint(mqueue_spool_t)
|
|
|
|
type mail_spool_t;
|
|
files_mountpoint(mail_spool_t)
|
|
|
|
type sendmail_exec_t;
|
|
mta_agent_executable(sendmail_exec_t)
|
|
|
|
mta_base_mail_template(system)
|
|
role system_r types system_mail_t;
|
|
|
|
mta_base_mail_template(user)
|
|
typealias user_mail_t alias { staff_mail_t sysadm_mail_t };
|
|
typealias user_mail_t alias { auditadm_mail_t secadm_mail_t };
|
|
typealias user_mail_tmp_t alias { staff_mail_tmp_t sysadm_mail_tmp_t };
|
|
typealias user_mail_tmp_t alias { auditadm_mail_tmp_t secadm_mail_tmp_t };
|
|
ubac_constrained(user_mail_t)
|
|
ubac_constrained(user_mail_tmp_t)
|
|
|
|
########################################
|
|
#
|
|
# System mail local policy
|
|
#
|
|
|
|
# newalias required this, not sure if it is needed in 'if' file
|
|
allow system_mail_t self:capability { dac_override fowner };
|
|
allow system_mail_t self:fifo_file rw_fifo_file_perms;
|
|
|
|
read_files_pattern(system_mail_t, etc_mail_t, etc_mail_t)
|
|
read_files_pattern(system_mail_t, mailcontent_type, mailcontent_type)
|
|
|
|
allow system_mail_t mta_exec_type:file entrypoint;
|
|
|
|
can_exec(system_mail_t, mta_exec_type)
|
|
|
|
kernel_read_system_state(system_mail_t)
|
|
kernel_read_network_state(system_mail_t)
|
|
|
|
dev_read_sysfs(system_mail_t)
|
|
dev_read_rand(system_mail_t)
|
|
dev_read_urand(system_mail_t)
|
|
|
|
fs_rw_anon_inodefs_files(system_mail_t)
|
|
|
|
selinux_getattr_fs(system_mail_t)
|
|
|
|
init_use_script_ptys(system_mail_t)
|
|
|
|
userdom_use_user_terminals(system_mail_t)
|
|
userdom_dontaudit_search_user_home_dirs(system_mail_t)
|
|
|
|
optional_policy(`
|
|
apache_read_squirrelmail_data(system_mail_t)
|
|
apache_append_squirrelmail_data(system_mail_t)
|
|
|
|
# apache should set close-on-exec
|
|
apache_dontaudit_append_log(system_mail_t)
|
|
apache_dontaudit_rw_stream_sockets(system_mail_t)
|
|
apache_dontaudit_rw_tcp_sockets(system_mail_t)
|
|
apache_dontaudit_rw_sys_script_stream_sockets(system_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
arpwatch_manage_tmp_files(system_mail_t)
|
|
|
|
ifdef(`hide_broken_symptoms', `
|
|
arpwatch_dontaudit_rw_packet_sockets(system_mail_t)
|
|
')
|
|
')
|
|
|
|
optional_policy(`
|
|
clamav_stream_connect(system_mail_t)
|
|
clamav_append_log(system_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
cron_read_system_job_tmp_files(system_mail_t)
|
|
cron_dontaudit_write_pipes(system_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
courier_manage_spool_dirs(system_mail_t)
|
|
courier_manage_spool_files(system_mail_t)
|
|
courier_rw_spool_pipes(system_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
cvs_read_data(system_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
exim_domtrans(system_mail_t)
|
|
exim_manage_log(system_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
fail2ban_append_log(system_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
logrotate_read_tmp_files(system_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
logwatch_read_tmp_files(system_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
# newaliases runs as system_mail_t when the sendmail initscript does a restart
|
|
milter_getattr_all_sockets(system_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
nagios_read_tmp_files(system_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
manage_dirs_pattern(system_mail_t, etc_aliases_t, etc_aliases_t)
|
|
manage_files_pattern(system_mail_t, etc_aliases_t, etc_aliases_t)
|
|
manage_lnk_files_pattern(system_mail_t, etc_aliases_t, etc_aliases_t)
|
|
manage_fifo_files_pattern(system_mail_t, etc_aliases_t, etc_aliases_t)
|
|
manage_sock_files_pattern(system_mail_t, etc_aliases_t, etc_aliases_t)
|
|
files_etc_filetrans(system_mail_t, etc_aliases_t, { file lnk_file sock_file fifo_file })
|
|
|
|
domain_use_interactive_fds(system_mail_t)
|
|
|
|
# postfix needs this for newaliases
|
|
files_getattr_tmp_dirs(system_mail_t)
|
|
|
|
postfix_exec_master(system_mail_t)
|
|
postfix_read_config(system_mail_t)
|
|
postfix_search_spool(system_mail_t)
|
|
|
|
ifdef(`distro_redhat',`
|
|
# compatability for old default main.cf
|
|
postfix_config_filetrans(system_mail_t, etc_aliases_t, { dir file lnk_file sock_file fifo_file })
|
|
')
|
|
')
|
|
|
|
optional_policy(`
|
|
qmail_domtrans_inject(system_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
sxid_read_log(system_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
userdom_dontaudit_use_user_ptys(system_mail_t)
|
|
|
|
optional_policy(`
|
|
cron_dontaudit_append_system_job_tmp_files(system_mail_t)
|
|
')
|
|
')
|
|
|
|
optional_policy(`
|
|
smartmon_read_tmp_files(system_mail_t)
|
|
')
|
|
|
|
# should break this up among sections:
|
|
|
|
optional_policy(`
|
|
# why is mail delivered to a directory of type arpwatch_data_t?
|
|
arpwatch_search_data(mailserver_delivery)
|
|
arpwatch_manage_tmp_files(mta_user_agent)
|
|
|
|
ifdef(`hide_broken_symptoms', `
|
|
arpwatch_dontaudit_rw_packet_sockets(mta_user_agent)
|
|
')
|
|
|
|
optional_policy(`
|
|
cron_read_system_job_tmp_files(mta_user_agent)
|
|
')
|
|
')
|
|
|
|
########################################
|
|
#
|
|
# User send mail local policy
|
|
#
|
|
|
|
domain_use_interactive_fds(user_mail_t)
|
|
|
|
userdom_use_user_terminals(user_mail_t)
|
|
# Write to the user domain tty. cjp: why?
|
|
userdom_use_user_terminals(mta_user_agent)
|
|
# Create dead.letter in user home directories.
|
|
userdom_manage_user_home_content_files(user_mail_t)
|
|
userdom_user_home_dir_filetrans_user_home_content(user_mail_t, file)
|
|
# for reading .forward - maybe we need a new type for it?
|
|
# also for delivering mail to maildir
|
|
userdom_manage_user_home_content_dirs(mailserver_delivery)
|
|
userdom_manage_user_home_content_files(mailserver_delivery)
|
|
userdom_manage_user_home_content_symlinks(mailserver_delivery)
|
|
userdom_manage_user_home_content_pipes(mailserver_delivery)
|
|
userdom_manage_user_home_content_sockets(mailserver_delivery)
|
|
userdom_user_home_dir_filetrans_user_home_content(mailserver_delivery, { dir file lnk_file fifo_file sock_file })
|
|
# Read user temporary files.
|
|
userdom_read_user_tmp_files(user_mail_t)
|
|
userdom_dontaudit_append_user_tmp_files(user_mail_t)
|
|
# cjp: this should probably be read all user tmp
|
|
# files in an appropriate place for mta_user_agent
|
|
userdom_read_user_tmp_files(mta_user_agent)
|
|
|
|
tunable_policy(`use_samba_home_dirs',`
|
|
fs_manage_cifs_files(user_mail_t)
|
|
fs_manage_cifs_symlinks(user_mail_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
allow user_mail_t self:capability dac_override;
|
|
|
|
# Read user temporary files.
|
|
# postfix seems to need write access if the file handle is opened read/write
|
|
userdom_rw_user_tmp_files(user_mail_t)
|
|
|
|
postfix_read_config(user_mail_t)
|
|
postfix_list_spool(user_mail_t)
|
|
')
|