192 lines
5.0 KiB
Plaintext
192 lines
5.0 KiB
Plaintext
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policy_module(mta,1.1.3)
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########################################
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#
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# Declarations
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#
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attribute mta_user_agent;
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attribute mailserver_delivery;
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attribute mailserver_domain;
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attribute mailserver_sender;
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attribute user_mail_domain;
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type etc_aliases_t;
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files_type(etc_aliases_t)
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type etc_mail_t;
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files_config_file(etc_mail_t)
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type mqueue_spool_t;
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files_type(mqueue_spool_t)
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type mail_spool_t;
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files_type(mail_spool_t)
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type sendmail_exec_t;
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files_type(sendmail_exec_t)
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mta_base_mail_template(system)
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role system_r types system_mail_t;
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# cjp: need to resolve this, but require{}
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# does not work in the else part of the optional
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#ifdef(`strict_policy',`
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# optional_policy(`sendmail',`',`
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# init_system_domain(system_mail_t,sendmail_exec_t)
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# ')
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#')
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########################################
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#
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# System mail local policy
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#
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allow system_mail_t etc_mail_t:dir { getattr search };
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allow system_mail_t etc_mail_t:file r_file_perms;
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kernel_read_system_state(system_mail_t)
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kernel_read_network_state(system_mail_t)
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dev_read_rand(system_mail_t)
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dev_read_urand(system_mail_t)
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init_use_script_pty(system_mail_t)
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userdom_use_sysadm_terms(system_mail_t)
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ifdef(`targeted_policy',`
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typealias system_mail_t alias sysadm_mail_t;
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allow system_mail_t mail_spool_t:dir create_dir_perms;
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allow system_mail_t mail_spool_t:file create_file_perms;
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allow system_mail_t mail_spool_t:lnk_file create_lnk_perms;
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allow system_mail_t mail_spool_t:fifo_file rw_file_perms;
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allow system_mail_t mqueue_spool_t:dir create_dir_perms;
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allow system_mail_t mqueue_spool_t:file create_file_perms;
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allow system_mail_t mqueue_spool_t:lnk_file create_lnk_perms;
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# for reading .forward - maybe we need a new type for it?
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# also for delivering mail to maildir
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# cjp: fix this to generic_user interfaces
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userdom_manage_user_home_subdirs(user,mailserver_delivery)
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userdom_manage_user_home_subdir_files(user,mailserver_delivery)
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userdom_manage_user_home_subdir_symlinks(user,mailserver_delivery)
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userdom_manage_user_home_subdir_pipes(user,mailserver_delivery)
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userdom_manage_user_home_subdir_sockets(user,mailserver_delivery)
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userdom_create_user_home(user,mailserver_delivery,{ dir file lnk_file fifo_file sock_file })
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# cjp: another require-in-else to resolve
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# optional_policy(`postfix',`',`
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corecmd_exec_bin(system_mail_t)
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corecmd_exec_sbin(system_mail_t)
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domain_exec_all_entry_files(system_mail_t)
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files_exec_etc_files(system_mail_t)
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libs_exec_ld_so(system_mail_t)
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libs_exec_lib_files(system_mail_t)
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# ')
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')
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optional_policy(`apache',`
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apache_read_squirrelmail_data(system_mail_t)
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apache_append_squirrelmail_data(system_mail_t)
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# apache should set close-on-exec
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apache_dontaudit_append_log(system_mail_t)
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apache_dontaudit_rw_stream_socket(system_mail_t)
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apache_dontaudit_rw_tcp_socket(system_mail_t)
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apache_dontaudit_rw_sys_script_stream_socket(system_mail_t)
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')
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optional_policy(`arpwatch',`
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arpwatch_manage_tmp_files(system_mail_t)
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ifdef(`hide_broken_symptoms', `
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arpwatch_dontaudit_rw_packet_socket(system_mail_t)
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')
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')
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optional_policy(`cron',`
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cron_read_system_job_tmp_files(system_mail_t)
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cron_dontaudit_write_pipe(system_mail_t)
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')
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optional_policy(`cvs',`
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cvs_read_data(system_mail_t)
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')
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optional_policy(`logrotate',`
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logrotate_read_tmp_files(system_mail_t)
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')
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optional_policy(`logwatch',`
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logwatch_read_tmp_files(system_mail_t)
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')
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optional_policy(`sendmail',`
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files_create_etc_config(sendmail_t,etc_aliases_t, file)
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')
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optional_policy(`postfix',`
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allow system_mail_t etc_aliases_t:dir create_dir_perms;
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allow system_mail_t etc_aliases_t:file create_file_perms;
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allow system_mail_t etc_aliases_t:lnk_file create_lnk_perms;
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allow system_mail_t etc_aliases_t:sock_file create_file_perms;
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allow system_mail_t etc_aliases_t:fifo_file create_file_perms;
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files_create_etc_config(system_mail_t,etc_aliases_t,{ file lnk_file sock_file fifo_file })
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domain_use_wide_inherit_fd(system_mail_t)
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# postfix needs this for newaliases
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files_getattr_tmp_dir(system_mail_t)
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postfix_exec_master(system_mail_t)
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ifdef(`distro_redhat',`
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# compatability for old default main.cf
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postfix_create_config(system_mail_t,etc_aliases_t,{ dir file lnk_file sock_file fifo_file })
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')
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optional_policy(`cron',`
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cron_crw_tcp_socket(system_mail_t)
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')
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')
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optional_policy(`sendmail',`
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userdom_dontaudit_use_unpriv_user_pty(system_mail_t)
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optional_policy(`cron',`
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cron_dontaudit_append_system_job_tmp_files(system_mail_t)
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')
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')
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optional_policy(`smartmon',`
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smartmon_read_tmp(system_mail_t)
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')
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# should break this up among sections:
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optional_policy(`arpwatch',`
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# why is mail delivered to a directory of type arpwatch_data_t?
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arpwatch_search_data(mailserver_delivery)
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arpwatch_manage_tmp_files(mta_user_agent)
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ifdef(`hide_broken_symptoms', `
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arpwatch_dontaudit_rw_packet_socket(mta_user_agent)
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')
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optional_policy(`cron',`
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cron_read_system_job_tmp_files(mta_user_agent)
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')
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')
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ifdef(`TODO',`
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# for the start script to run make -C /etc/mail
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allow initrc_t etc_mail_t:dir rw_dir_perms;
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allow initrc_t etc_mail_t:file create_file_perms;
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')
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