selinux-refpolicy/refpolicy/policy/modules/services/mta.te
2006-05-01 20:36:13 +00:00

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policy_module(mta,1.3.4)
########################################
#
# Declarations
#
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_type(mqueue_spool_t)
type mail_spool_t;
files_type(mail_spool_t)
type sendmail_exec_t;
files_type(sendmail_exec_t)
mta_base_mail_template(system)
role system_r types system_mail_t;
# cjp: need to resolve this, but require{}
# does not work in the else part of the optional
#ifdef(`strict_policy',`
# optional_policy(`',`
# init_system_domain(system_mail_t,sendmail_exec_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 };
allow system_mail_t etc_mail_t:dir { getattr search };
allow system_mail_t etc_mail_t:file r_file_perms;
kernel_read_system_state(system_mail_t)
kernel_read_network_state(system_mail_t)
dev_read_rand(system_mail_t)
dev_read_urand(system_mail_t)
fs_read_eventpollfs(system_mail_t)
init_use_script_ptys(system_mail_t)
userdom_use_sysadm_terms(system_mail_t)
ifdef(`targeted_policy',`
typealias system_mail_t alias sysadm_mail_t;
allow system_mail_t mail_spool_t:dir create_dir_perms;
allow system_mail_t mail_spool_t:file create_file_perms;
allow system_mail_t mail_spool_t:lnk_file create_lnk_perms;
allow system_mail_t mail_spool_t:fifo_file rw_file_perms;
allow system_mail_t mqueue_spool_t:dir create_dir_perms;
allow system_mail_t mqueue_spool_t:file create_file_perms;
allow system_mail_t mqueue_spool_t:lnk_file create_lnk_perms;
# for reading .forward - maybe we need a new type for it?
# also for delivering mail to maildir
# cjp: fix this to generic_user interfaces
userdom_manage_user_home_content_dirs(user,mailserver_delivery)
userdom_manage_generic_user_home_content_files(mailserver_delivery)
userdom_manage_generic_user_home_content_symlinks(mailserver_delivery)
userdom_manage_generic_user_home_content_sockets(mailserver_delivery)
userdom_manage_generic_user_home_content_pipes(mailserver_delivery)
userdom_generic_user_home_dir_filetrans_generic_user_home_content(mailserver_delivery,{ dir file lnk_file sock_file fifo_file })
# cjp: another require-in-else to resolve
# optional_policy(`',`
corecmd_exec_all_executables(system_mail_t)
files_exec_etc_files(system_mail_t)
libs_exec_ld_so(system_mail_t)
libs_exec_lib_files(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(`
cron_read_system_job_tmp_files(system_mail_t)
cron_dontaudit_write_pipes(system_mail_t)
')
optional_policy(`
cvs_read_data(system_mail_t)
')
optional_policy(`
logrotate_read_tmp_files(system_mail_t)
')
optional_policy(`
logwatch_read_tmp_files(system_mail_t)
')
optional_policy(`
nagios_read_tmp_files(system_mail_t)
')
optional_policy(`
allow system_mail_t etc_aliases_t:dir create_dir_perms;
allow system_mail_t etc_aliases_t:file create_file_perms;
allow system_mail_t etc_aliases_t:lnk_file create_lnk_perms;
allow system_mail_t etc_aliases_t:sock_file create_file_perms;
allow system_mail_t etc_aliases_t:fifo_file create_file_perms;
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(`
cron_rw_tcp_sockets(system_mail_t)
')
')
optional_policy(`
qmail_domtrans_inject(system_mail_t)
')
optional_policy(`
sxid_read_log(system_mail_t)
')
optional_policy(`
userdom_dontaudit_use_unpriv_users_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)
')
')
ifdef(`TODO',`
# for the start script to run make -C /etc/mail
allow initrc_t etc_mail_t:dir rw_dir_perms;
allow initrc_t etc_mail_t:file create_file_perms;
')