518 lines
12 KiB
Plaintext
518 lines
12 KiB
Plaintext
policy_module(authlogin, 2.18.4)
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########################################
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#
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# Declarations
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#
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## <desc>
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## <p>
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## Allow PAM usage. If disabled, read access /etc/shadow is allowed for domains that normally use PAM.
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## </p>
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## </desc>
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gen_tunable(authlogin_pam, true)
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## <desc>
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## <p>
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## Allow users to resolve user passwd entries directly from ldap rather then using a sssd server
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## </p>
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## </desc>
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gen_tunable(authlogin_nsswitch_use_ldap, false)
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attribute can_read_shadow_passwords;
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attribute can_write_shadow_passwords;
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attribute can_relabelto_shadow_passwords;
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attribute nsswitch_domain;
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attribute pam_domain;
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type auth_cache_t;
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logging_log_file(auth_cache_t)
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type chkpwd_t, can_read_shadow_passwords;
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type chkpwd_exec_t;
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application_domain(chkpwd_t, chkpwd_exec_t)
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role system_r types chkpwd_t;
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type faillog_t;
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logging_log_file(faillog_t)
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type lastlog_t;
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logging_log_file(lastlog_t)
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type login_exec_t;
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application_executable_file(login_exec_t)
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type pam_console_t;
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type pam_console_exec_t;
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init_system_domain(pam_console_t, pam_console_exec_t)
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role system_r types pam_console_t;
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type pam_t;
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domain_type(pam_t)
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role system_r types pam_t;
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type pam_exec_t;
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domain_entry_file(pam_t, pam_exec_t)
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type pam_motd_runtime_t;
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files_runtime_file(pam_motd_runtime_t)
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type pam_runtime_t alias pam_var_run_t;
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files_runtime_file(pam_runtime_t)
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type pam_tmp_t;
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files_tmp_file(pam_tmp_t)
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type pam_var_console_t;
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files_runtime_file(pam_var_console_t)
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type shadow_t;
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files_auth_file(shadow_t)
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neverallow ~can_read_shadow_passwords shadow_t:file read;
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neverallow ~can_write_shadow_passwords shadow_t:file { create write };
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neverallow ~can_relabelto_shadow_passwords shadow_t:file relabelto;
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type shadow_lock_t;
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files_lock_file(shadow_lock_t)
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type updpwd_t;
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type updpwd_exec_t;
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domain_type(updpwd_t)
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domain_entry_file(updpwd_t, updpwd_exec_t)
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domain_obj_id_change_exemption(updpwd_t)
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role system_r types updpwd_t;
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type utempter_t;
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type utempter_exec_t;
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application_domain(utempter_t, utempter_exec_t)
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#
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# var_auth_t is the type of /var/lib/auth, usually
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# used for auth data in pam_able
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#
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type var_auth_t;
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files_type(var_auth_t)
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type wtmp_t;
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logging_log_file(wtmp_t)
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optional_policy(`
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systemd_tmpfilesd_managed(faillog_t)
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systemd_tmpfilesd_managed(var_auth_t)
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')
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########################################
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#
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# Check password local policy
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#
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allow chkpwd_t self:capability { dac_override setuid };
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dontaudit chkpwd_t self:capability sys_tty_config;
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allow chkpwd_t self:process { getattr signal };
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allow chkpwd_t shadow_t:file read_file_perms;
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files_list_etc(chkpwd_t)
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kernel_read_crypto_sysctls(chkpwd_t)
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kernel_dontaudit_search_kernel_sysctl(chkpwd_t)
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kernel_dontaudit_read_kernel_sysctl(chkpwd_t)
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kernel_dontaudit_getattr_proc(chkpwd_t)
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domain_dontaudit_use_interactive_fds(chkpwd_t)
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dev_read_rand(chkpwd_t)
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dev_read_urand(chkpwd_t)
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dev_search_sysfs(chkpwd_t)
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files_read_etc_files(chkpwd_t)
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# for nscd
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files_dontaudit_search_var(chkpwd_t)
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fs_dontaudit_getattr_xattr_fs(chkpwd_t)
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selinux_get_enforce_mode(chkpwd_t)
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term_dontaudit_use_console(chkpwd_t)
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term_dontaudit_use_unallocated_ttys(chkpwd_t)
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term_dontaudit_use_generic_ptys(chkpwd_t)
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term_dontaudit_use_all_ptys(chkpwd_t)
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auth_use_nsswitch(chkpwd_t)
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logging_send_audit_msgs(chkpwd_t)
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logging_send_syslog_msg(chkpwd_t)
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miscfiles_read_localization(chkpwd_t)
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seutil_libselinux_linked(chkpwd_t)
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seutil_dontaudit_use_newrole_fds(chkpwd_t)
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userdom_use_user_terminals(chkpwd_t)
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ifdef(`distro_ubuntu',`
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optional_policy(`
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unconfined_domain(chkpwd_t)
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')
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')
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optional_policy(`
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# apache leaks file descriptors
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apache_dontaudit_rw_tcp_sockets(chkpwd_t)
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')
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optional_policy(`
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kerberos_use(chkpwd_t)
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')
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optional_policy(`
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nis_authenticate(chkpwd_t)
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')
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########################################
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#
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# PAM local policy
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#
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allow pam_t self:process { transition signal_perms getsched setsched getsession getpgid setpgid getcap setcap share getattr noatsecure siginh rlimitinh dyntransition setkeycreate setsockcreate getrlimit };
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dontaudit pam_t self:capability sys_tty_config;
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allow pam_t self:fd use;
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allow pam_t self:fifo_file rw_fifo_file_perms;
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allow pam_t self:unix_dgram_socket create_socket_perms;
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allow pam_t self:unix_stream_socket rw_stream_socket_perms;
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allow pam_t self:unix_dgram_socket sendto;
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allow pam_t self:unix_stream_socket connectto;
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allow pam_t self:shm create_shm_perms;
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allow pam_t self:sem create_sem_perms;
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allow pam_t self:msgq create_msgq_perms;
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allow pam_t self:msg { send receive };
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delete_files_pattern(pam_t, pam_runtime_t, pam_runtime_t)
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read_files_pattern(pam_t, pam_runtime_t, pam_runtime_t)
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files_list_runtime(pam_t)
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allow pam_t pam_tmp_t:dir manage_dir_perms;
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allow pam_t pam_tmp_t:file manage_file_perms;
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files_tmp_filetrans(pam_t, pam_tmp_t, { file dir })
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auth_use_nsswitch(pam_t)
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kernel_read_system_state(pam_t)
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files_read_etc_files(pam_t)
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fs_search_auto_mountpoints(pam_t)
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miscfiles_read_localization(pam_t)
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term_use_all_ttys(pam_t)
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term_use_all_ptys(pam_t)
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init_dontaudit_rw_utmp(pam_t)
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logging_send_syslog_msg(pam_t)
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ifdef(`distro_ubuntu',`
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optional_policy(`
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unconfined_domain(pam_t)
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')
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')
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optional_policy(`
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locallogin_use_fds(pam_t)
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')
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########################################
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#
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# PAM users local policy
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#
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# other access in auth_use_pam() due to nested typeattributes
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# for SSP/ProPolice
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dev_read_urand(pam_domain)
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# for encrypted homedir
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dev_read_sysfs(pam_domain)
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auth_create_faillog_files(pam_domain)
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auth_domtrans_upd_passwd(pam_domain)
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auth_rw_lastlog(pam_domain)
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auth_rw_faillog(pam_domain)
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auth_rw_login_records(pam_domain)
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auth_setattr_faillog_files(pam_domain)
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auth_exec_pam(pam_domain)
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files_read_etc_files(pam_domain)
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logging_send_audit_msgs(pam_domain)
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logging_send_syslog_msg(pam_domain)
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tunable_policy(`authlogin_pam',`
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dontaudit pam_domain shadow_t:file read_file_perms;
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',`
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allow pam_domain shadow_t:file read_file_perms;
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')
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optional_policy(`
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nis_authenticate(pam_domain)
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')
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########################################
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#
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# PAM console local policy
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#
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allow pam_console_t self:capability { chown fowner fsetid };
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dontaudit pam_console_t self:capability sys_tty_config;
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allow pam_console_t self:process { sigchld sigkill sigstop signull signal };
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# for /var/run/console.lock checking
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read_files_pattern(pam_console_t, pam_var_console_t, pam_var_console_t)
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read_lnk_files_pattern(pam_console_t, pam_var_console_t, pam_var_console_t)
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dontaudit pam_console_t pam_var_console_t:file write;
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kernel_read_kernel_sysctls(pam_console_t)
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kernel_use_fds(pam_console_t)
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kernel_dontaudit_search_unlabeled(pam_console_t)
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# Read /proc/meminfo
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kernel_read_system_state(pam_console_t)
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dev_read_sysfs(pam_console_t)
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dev_getattr_acpi_bios_dev(pam_console_t)
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dev_setattr_acpi_bios_dev(pam_console_t)
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dev_getattr_dri_dev(pam_console_t)
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dev_setattr_dri_dev(pam_console_t)
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dev_getattr_input_dev(pam_console_t)
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dev_setattr_input_dev(pam_console_t)
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dev_getattr_framebuffer_dev(pam_console_t)
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dev_setattr_framebuffer_dev(pam_console_t)
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dev_getattr_generic_usb_dev(pam_console_t)
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dev_setattr_generic_usb_dev(pam_console_t)
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dev_getattr_misc_dev(pam_console_t)
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dev_setattr_misc_dev(pam_console_t)
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dev_getattr_mouse_dev(pam_console_t)
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dev_setattr_mouse_dev(pam_console_t)
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dev_getattr_power_mgmt_dev(pam_console_t)
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dev_setattr_power_mgmt_dev(pam_console_t)
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dev_getattr_printer_dev(pam_console_t)
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dev_setattr_printer_dev(pam_console_t)
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dev_getattr_scanner_dev(pam_console_t)
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dev_setattr_scanner_dev(pam_console_t)
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dev_getattr_sound_dev(pam_console_t)
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dev_setattr_sound_dev(pam_console_t)
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dev_getattr_video_dev(pam_console_t)
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dev_setattr_video_dev(pam_console_t)
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dev_getattr_xserver_misc_dev(pam_console_t)
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dev_setattr_xserver_misc_dev(pam_console_t)
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dev_read_urand(pam_console_t)
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files_read_etc_files(pam_console_t)
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files_search_runtime(pam_console_t)
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files_list_mnt(pam_console_t)
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# read /etc/mtab
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files_read_etc_runtime_files(pam_console_t)
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fs_list_auto_mountpoints(pam_console_t)
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fs_list_noxattr_fs(pam_console_t)
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fs_getattr_all_fs(pam_console_t)
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mls_file_read_all_levels(pam_console_t)
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mls_file_write_all_levels(pam_console_t)
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storage_getattr_fixed_disk_dev(pam_console_t)
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storage_setattr_fixed_disk_dev(pam_console_t)
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storage_getattr_removable_dev(pam_console_t)
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storage_setattr_removable_dev(pam_console_t)
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storage_getattr_scsi_generic_dev(pam_console_t)
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storage_setattr_scsi_generic_dev(pam_console_t)
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term_use_console(pam_console_t)
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term_use_all_ttys(pam_console_t)
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term_use_all_ptys(pam_console_t)
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term_setattr_console(pam_console_t)
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term_getattr_unallocated_ttys(pam_console_t)
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term_setattr_unallocated_ttys(pam_console_t)
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term_use_unallocated_ttys(pam_console_t)
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auth_use_nsswitch(pam_console_t)
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domain_use_interactive_fds(pam_console_t)
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init_use_fds(pam_console_t)
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init_use_script_ptys(pam_console_t)
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logging_send_syslog_msg(pam_console_t)
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miscfiles_read_localization(pam_console_t)
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miscfiles_read_generic_certs(pam_console_t)
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seutil_read_file_contexts(pam_console_t)
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userdom_dontaudit_use_unpriv_user_fds(pam_console_t)
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ifdef(`distro_ubuntu',`
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optional_policy(`
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unconfined_domain(pam_console_t)
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')
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')
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optional_policy(`
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gpm_getattr_gpmctl(pam_console_t)
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gpm_setattr_gpmctl(pam_console_t)
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')
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optional_policy(`
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seutil_sigchld_newrole(pam_console_t)
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')
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optional_policy(`
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xserver_read_xdm_runtime_files(pam_console_t)
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xserver_dontaudit_write_log(pam_console_t)
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')
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########################################
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#
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# updpwd local policy
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#
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allow updpwd_t self:capability { chown dac_override };
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allow updpwd_t self:process setfscreate;
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allow updpwd_t self:fifo_file rw_fifo_file_perms;
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allow updpwd_t self:unix_stream_socket create_stream_socket_perms;
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allow updpwd_t self:unix_dgram_socket create_socket_perms;
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kernel_read_system_state(updpwd_t)
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dev_read_urand(updpwd_t)
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files_manage_etc_files(updpwd_t)
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term_dontaudit_use_console(updpwd_t)
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term_dontaudit_use_unallocated_ttys(updpwd_t)
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auth_manage_shadow(updpwd_t)
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auth_use_nsswitch(updpwd_t)
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logging_send_syslog_msg(updpwd_t)
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miscfiles_read_localization(updpwd_t)
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userdom_use_user_terminals(updpwd_t)
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ifdef(`distro_ubuntu',`
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optional_policy(`
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unconfined_domain(updpwd_t)
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')
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')
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########################################
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#
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# Utempter local policy
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#
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allow utempter_t self:capability setgid;
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allow utempter_t self:unix_stream_socket create_stream_socket_perms;
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allow utempter_t wtmp_t:file rw_file_perms;
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dev_read_urand(utempter_t)
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files_read_etc_files(utempter_t)
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term_getattr_all_ttys(utempter_t)
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term_getattr_all_ptys(utempter_t)
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term_dontaudit_use_all_ttys(utempter_t)
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term_dontaudit_use_all_ptys(utempter_t)
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term_dontaudit_use_ptmx(utempter_t)
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init_rw_utmp(utempter_t)
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domain_use_interactive_fds(utempter_t)
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logging_search_logs(utempter_t)
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userdom_use_user_terminals(utempter_t)
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# Allow utemper to write to /tmp/.xses-*
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userdom_write_user_tmp_files(utempter_t)
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ifdef(`distro_ubuntu',`
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optional_policy(`
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unconfined_domain(utempter_t)
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')
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')
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optional_policy(`
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nscd_use(utempter_t)
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')
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optional_policy(`
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xserver_use_xdm_fds(utempter_t)
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xserver_rw_xdm_pipes(utempter_t)
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')
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#######################################
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#
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# nsswitch_domain local policy
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#
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allow nsswitch_domain self:key manage_key_perms;
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files_list_var_lib(nsswitch_domain)
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# read /etc/nsswitch.conf
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files_read_etc_files(nsswitch_domain)
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sysnet_dns_name_resolve(nsswitch_domain)
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ifdef(`init_systemd', `
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systemd_stream_connect_userdb(nsswitch_domain)
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')
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tunable_policy(`authlogin_nsswitch_use_ldap',`
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miscfiles_read_generic_certs(nsswitch_domain)
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sysnet_use_ldap(nsswitch_domain)
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',`
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miscfiles_dontaudit_read_generic_certs(nsswitch_domain)
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')
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optional_policy(`
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tunable_policy(`authlogin_nsswitch_use_ldap',`
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ldap_stream_connect(nsswitch_domain)
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')
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')
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optional_policy(`
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avahi_stream_connect(nsswitch_domain)
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')
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optional_policy(`
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likewise_stream_connect_lsassd(nsswitch_domain)
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')
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optional_policy(`
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kerberos_use(nsswitch_domain)
|
|
')
|
|
|
|
optional_policy(`
|
|
nis_use_ypbind(nsswitch_domain)
|
|
')
|
|
|
|
optional_policy(`
|
|
nscd_use(nsswitch_domain)
|
|
')
|
|
|
|
optional_policy(`
|
|
nslcd_stream_connect(nsswitch_domain)
|
|
')
|
|
|
|
optional_policy(`
|
|
sssd_stream_connect(nsswitch_domain)
|
|
')
|
|
|
|
optional_policy(`
|
|
samba_stream_connect_winbind(nsswitch_domain)
|
|
samba_read_var_files(nsswitch_domain)
|
|
samba_dontaudit_write_var_files(nsswitch_domain)
|
|
')
|