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selinux-refpolicy/policy/modules/services/mta.te
Chris PeBenito 78276fc43b Drop module versioning. 
Semodule stopped using this many years ago. The policy_module() macro will
continue to support an optional second parameter as version.
If it is not specified, a default value of 1 is set.

Signed-off-by: Chris PeBenito <pebenito@ieee.org>
2022-01-06 09:19:13 -05:00

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policy_module(mta)
########################################
#
# 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;
attribute_role user_mail_roles;
type etc_aliases_t;
files_type(etc_aliases_t)
type etc_mail_t;
files_config_file(etc_mail_t)
type mail_home_t;
userdom_user_home_content(mail_home_t)
type mail_home_rw_t;
userdom_user_home_content(mail_home_rw_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)
userdom_user_application_type(user_mail_t)
role user_mail_roles types user_mail_t;
userdom_user_tmp_file(user_mail_tmp_t)
########################################
#
# Common base mail policy
#
allow user_mail_domain self:capability { chown setgid setuid };
allow user_mail_domain self:process { signal_perms setrlimit };
allow user_mail_domain self:fifo_file rw_fifo_file_perms;
allow user_mail_domain mta_exec_type:file entrypoint;
allow user_mail_domain mail_home_t:file { append_file_perms read_file_perms };
manage_dirs_pattern(user_mail_domain, mail_home_rw_t, mail_home_rw_t)
manage_files_pattern(user_mail_domain, mail_home_rw_t, mail_home_rw_t)
manage_lnk_files_pattern(user_mail_domain, mail_home_rw_t, mail_home_rw_t)
userdom_user_home_dir_filetrans(user_mail_domain, mail_home_rw_t, dir, "Maildir")
userdom_user_home_dir_filetrans(user_mail_domain, mail_home_rw_t, dir, ".maildir")
read_files_pattern(user_mail_domain, { etc_mail_t etc_aliases_t }, { etc_mail_t etc_aliases_t })
manage_files_pattern(user_mail_domain, { mqueue_spool_t mail_spool_t }, { mqueue_spool_t mail_spool_t })
read_lnk_files_pattern(user_mail_domain, { mqueue_spool_t mail_spool_t }, { mqueue_spool_t mail_spool_t })
allow user_mail_domain sendmail_exec_t:lnk_file read_lnk_file_perms;
can_exec(user_mail_domain, { mta_exec_type sendmail_exec_t })
kernel_read_crypto_sysctls(user_mail_domain)
kernel_read_system_state(user_mail_domain)
kernel_read_kernel_sysctls(user_mail_domain)
kernel_read_network_state(user_mail_domain)
kernel_request_load_module(user_mail_domain)
corenet_all_recvfrom_netlabel(user_mail_domain)
corenet_tcp_sendrecv_generic_if(user_mail_domain)
corenet_tcp_sendrecv_generic_node(user_mail_domain)
corenet_sendrecv_all_client_packets(user_mail_domain)
corenet_tcp_connect_all_ports(user_mail_domain)
corecmd_exec_bin(user_mail_domain)
dev_read_urand(user_mail_domain)
domain_use_interactive_fds(user_mail_domain)
files_read_etc_runtime_files(user_mail_domain)
files_read_usr_files(user_mail_domain)
files_search_spool(user_mail_domain)
files_dontaudit_search_runtime(user_mail_domain)
fs_getattr_all_fs(user_mail_domain)
init_dontaudit_rw_utmp(user_mail_domain)
logging_send_syslog_msg(user_mail_domain)
miscfiles_read_all_certs(user_mail_domain)
miscfiles_read_localization(user_mail_domain)
tunable_policy(`use_samba_home_dirs',`
fs_manage_cifs_dirs(user_mail_domain)
fs_manage_cifs_files(user_mail_domain)
fs_read_cifs_symlinks(user_mail_domain)
')
tunable_policy(`use_nfs_home_dirs',`
fs_manage_nfs_dirs(user_mail_domain)
fs_manage_nfs_files(user_mail_domain)
fs_read_nfs_symlinks(user_mail_domain)
')
optional_policy(`
courier_manage_spool_dirs(user_mail_domain)
courier_manage_spool_files(user_mail_domain)
courier_rw_spool_pipes(user_mail_domain)
')
optional_policy(`
exim_domtrans(user_mail_domain)
exim_manage_log(user_mail_domain)
exim_manage_spool_files(user_mail_domain)
exim_read_var_lib_files(user_mail_domain)
')
optional_policy(`
files_getattr_tmp_dirs(user_mail_domain)
postfix_exec_master(user_mail_domain)
postfix_read_config(user_mail_domain)
postfix_search_spool(user_mail_domain)
postfix_rw_inherited_master_pipes(user_mail_domain)
ifdef(`distro_redhat',`
postfix_config_filetrans(user_mail_domain, etc_aliases_t, { dir file lnk_file sock_file fifo_file })
')
')
optional_policy(`
procmail_exec(user_mail_domain)
')
optional_policy(`
qmail_domtrans_inject(user_mail_domain)
')
optional_policy(`
sendmail_manage_log(user_mail_domain)
sendmail_log_filetrans_sendmail_log(user_mail_domain, file)
')
optional_policy(`
uucp_manage_spool(user_mail_domain)
')
########################################
#
# System local policy
#
allow system_mail_t self:capability { dac_override fowner };
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 mail_home_t:file manage_file_perms;
userdom_user_home_dir_filetrans(system_mail_t, mail_home_t, file, ".esmtp_queue")
userdom_user_home_dir_filetrans(system_mail_t, mail_home_t, file, ".forward")
userdom_user_home_dir_filetrans(system_mail_t, mail_home_t, file, ".mailrc")
userdom_user_home_dir_filetrans(system_mail_t, mail_home_t, file, "dead.letter")
allow system_mail_t user_mail_domain:dir list_dir_perms;
allow system_mail_t user_mail_domain:file read_file_perms;
allow system_mail_t user_mail_domain:lnk_file read_lnk_file_perms;
corecmd_exec_shell(system_mail_t)
dev_read_rand(system_mail_t)
dev_read_sysfs(system_mail_t)
fs_rw_anon_inodefs_files(system_mail_t)
selinux_getattr_fs(system_mail_t)
term_dontaudit_use_unallocated_ttys(system_mail_t)
init_use_script_ptys(system_mail_t)
init_use_fds(system_mail_t)
init_rw_stream_sockets(system_mail_t)
userdom_use_user_terminals(system_mail_t)
optional_policy(`
apt_use_fds(system_mail_t)
apt_use_ptys(system_mail_t)
')
optional_policy(`
apache_read_squirrelmail_data(system_mail_t)
apache_append_squirrelmail_data(system_mail_t)
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(`
bugzilla_search_content(system_mail_t)
bugzilla_dontaudit_rw_stream_sockets(system_mail_t)
')
optional_policy(`
clamav_scannable_files(mqueue_spool_t)
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)
cron_rw_system_job_stream_sockets(system_mail_t)
cron_rw_tmp_files(system_mail_t)
')
optional_policy(`
courier_stream_connect_authdaemon(system_mail_t)
')
optional_policy(`
cvs_read_data(system_mail_t)
')
optional_policy(`
fail2ban_dontaudit_rw_stream_sockets(system_mail_t)
fail2ban_append_log(system_mail_t)
fail2ban_rw_inherited_tmp_files(system_mail_t)
')
optional_policy(`
logrotate_read_tmp_files(system_mail_t)
')
optional_policy(`
logwatch_read_tmp_files(system_mail_t)
')
optional_policy(`
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 })
')
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(`
spamassassin_stream_connect_spamd(system_mail_t)
')
optional_policy(`
smartmon_read_tmp_files(system_mail_t)
')
optional_policy(`
unconfined_use_fds(system_mail_t)
')
########################################
#
# MTA user agent local policy
#
userdom_use_user_terminals(mta_user_agent)
optional_policy(`
apache_append_log(mta_user_agent)
')
optional_policy(`
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)
')
')
optional_policy(`
mon_dontaudit_use_fds(mta_user_agent)
')
########################################
#
# Mailserver delivery local policy
#
allow mailserver_delivery self:fifo_file rw_fifo_file_perms;
allow mailserver_delivery mail_spool_t:dir list_dir_perms;
create_files_pattern(mailserver_delivery, mail_spool_t, mail_spool_t)
read_files_pattern(mailserver_delivery, mail_spool_t, mail_spool_t)
append_files_pattern(mailserver_delivery, mail_spool_t, mail_spool_t)
create_lnk_files_pattern(mailserver_delivery, mail_spool_t, mail_spool_t)
read_lnk_files_pattern(mailserver_delivery, mail_spool_t, mail_spool_t)
manage_dirs_pattern(mailserver_delivery, mail_home_rw_t, mail_home_rw_t)
manage_files_pattern(mailserver_delivery, { mail_home_t mail_home_rw_t }, { mail_home_t mail_home_rw_t })
manage_lnk_files_pattern(mailserver_delivery, mail_home_rw_t, mail_home_rw_t)
userdom_user_home_dir_filetrans(mailserver_delivery, mail_home_t, file, ".esmtp_queue")
userdom_user_home_dir_filetrans(mailserver_delivery, mail_home_t, file, ".forward")
userdom_user_home_dir_filetrans(mailserver_delivery, mail_home_t, file, ".mailrc")
userdom_user_home_dir_filetrans(mailserver_delivery, mail_home_t, file, "dead.letter")
userdom_user_home_dir_filetrans(mailserver_delivery, mail_home_rw_t, dir, "Maildir")
userdom_user_home_dir_filetrans(mailserver_delivery, mail_home_rw_t, dir, ".maildir")
read_files_pattern(mailserver_delivery, system_mail_tmp_t, system_mail_tmp_t)
tunable_policy(`use_samba_home_dirs',`
fs_manage_cifs_dirs(mailserver_delivery)
fs_manage_cifs_files(mailserver_delivery)
fs_read_cifs_symlinks(mailserver_delivery)
')
tunable_policy(`use_nfs_home_dirs',`
fs_manage_nfs_dirs(mailserver_delivery)
fs_manage_nfs_files(mailserver_delivery)
fs_read_nfs_symlinks(mailserver_delivery)
')
optional_policy(`
arpwatch_search_data(mailserver_delivery)
')
optional_policy(`
dovecot_manage_spool(mailserver_delivery)
dovecot_domtrans_deliver(mailserver_delivery)
')
optional_policy(`
files_search_var_lib(mailserver_delivery)
mailman_domtrans(mailserver_delivery)
mailman_read_data_symlinks(mailserver_delivery)
')
optional_policy(`
mon_dontaudit_search_var_lib(mailserver_delivery)
')
optional_policy(`
postfix_rw_inherited_master_pipes(mailserver_delivery)
')
optional_policy(`
uucp_domtrans_uux(mailserver_delivery)
')
########################################
#
# User local policy
#
manage_files_pattern(user_mail_t, mail_home_t, mail_home_t)
userdom_user_home_dir_filetrans(user_mail_t, mail_home_t, file, ".esmtp_queue")
userdom_user_home_dir_filetrans(user_mail_t, mail_home_t, file, ".forward")
userdom_user_home_dir_filetrans(user_mail_t, mail_home_t, file, ".mailrc")
userdom_user_home_dir_filetrans(user_mail_t, mail_home_t, file, "dead.letter")
dev_read_sysfs(user_mail_t)
userdom_use_user_terminals(user_mail_t)
optional_policy(`
allow user_mail_t self:capability dac_override;
userdom_rw_user_tmp_files(user_mail_t)
postfix_read_config(user_mail_t)
postfix_list_spool(user_mail_t)
')
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