175 lines
4.2 KiB
Plaintext
175 lines
4.2 KiB
Plaintext
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policy_module(mta,1.0)
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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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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_type(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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type system_mail_t;
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domain_type(system_mail_t)
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role system_r types system_mail_t;
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ifdef(`targeted_policy',`',`
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optional_policy(`sendmail.te',`
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domain_entry_file(system_mail_t,sendmail_exec_t)
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',`
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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 self:capability { setuid setgid chown };
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allow system_mail_t self:process { signal_perms setrlimit };
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allow system_mail_t self:tcp_socket create_socket_perms;
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# re-exec itself
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can_exec(system_mail_t, sendmail_exec_t)
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allow system_mail_t sendmail_exec_t:lnk_file r_file_perms;
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kernel_read_kernel_sysctl(system_mail_t)
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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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corenet_tcp_sendrecv_all_if(system_mail_t)
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corenet_raw_sendrecv_all_if(system_mail_t)
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corenet_tcp_sendrecv_all_nodes(system_mail_t)
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corenet_raw_sendrecv_all_nodes(system_mail_t)
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corenet_tcp_sendrecv_all_ports(system_mail_t)
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corenet_tcp_bind_all_nodes(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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fs_getattr_xattr_fs(system_mail_t)
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init_use_script_pty(system_mail_t)
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files_read_etc_files(system_mail_t)
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files_read_etc_runtime_files(system_mail_t)
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files_search_spool(system_mail_t)
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# It wants to check for nscd
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files_dontaudit_search_pids(system_mail_t)
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corecmd_exec_bin(system_mail_t)
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corecmd_search_sbin(system_mail_t)
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libs_use_ld_so(system_mail_t)
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libs_use_shared_libs(system_mail_t)
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logging_send_syslog_msg(system_mail_t)
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miscfiles_read_localization(system_mail_t)
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sysnet_read_config(system_mail_t)
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sysnet_dns_name_resolve(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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allow system_mail_t etc_mail_t:file r_file_perms;
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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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optional_policy(`postfix.te',`',`
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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_use_ld_so(system_mail_t)
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libs_use_shared_libs(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(`cron.te',`
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cron_read_system_job_tmp_files(system_mail_t)
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')
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optional_policy(`logrotate.te',`
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logrotate_read_tmp_files(system_mail_t)
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')
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optional_policy(`nis.te',`
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nis_use_ypbind(system_mail_t)
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')
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optional_policy(`nscd.te',`
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nscd_use_socket(system_mail_t)
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')
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optional_policy(`procmail.te',`
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procmail_exec(system_mail_t)
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')
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optional_policy(`sendmail.te',`
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allow system_mail_t etc_mail_t:dir { getattr search };
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# sendmail -q
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allow system_mail_t mqueue_spool_t:dir rw_dir_perms;
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allow system_mail_t mqueue_spool_t:file create_file_perms;
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')
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ifdef(`TODO',`
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optional_policy(`sendmail.te',`
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allow system_mail_t { var_t var_spool_t }:dir getattr;
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dontaudit system_mail_t userpty_type:chr_file { getattr read write };
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optional_policy(`crond.te', `
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dontaudit system_mail_t system_crond_tmp_t:file append;
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')
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')
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ifdef(`targeted_policy',`
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allow system_mail_t { var_t var_spool_t }:dir getattr;
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',`
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# allow the sysadmin to do "mail someone < /home/user/whatever"
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allow sysadm_mail_t user_home_dir_type:dir search;
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r_dir_file(sysadm_mail_t, user_home_type)
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')
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allow system_mail_t privmail:fd use;
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allow system_mail_t privmail:process sigchld;
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allow system_mail_t privmail:fifo_file { read write };
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optional_policy(`qmail.te',`
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allow system_mail_t qmail_etc_t:dir search;
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allow system_mail_t qmail_etc_t:{ file lnk_file } read;
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')
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') dnl end TODO
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