policy_module(exim, 1.2.0) ######################################## # # Declarations # ## ##

## Allow exim to read unprivileged user files. ##

##
gen_tunable(exim_read_user_files, false) ## ##

## Allow exim to create, read, write, and delete ## unprivileged user files. ##

##
gen_tunable(exim_manage_user_files, false) type exim_t; type exim_exec_t; init_daemon_domain(exim_t, exim_exec_t) type exim_log_t; logging_log_file(exim_log_t) type exim_spool_t; files_type(exim_spool_t) type exim_tmp_t; files_tmp_file(exim_tmp_t) type exim_var_run_t; files_pid_file(exim_var_run_t) ######################################## # # exim local policy # allow exim_t self:capability { dac_override dac_read_search setuid setgid fowner chown }; allow exim_t self:fifo_file rw_fifo_file_perms; allow exim_t self:unix_stream_socket create_stream_socket_perms; allow exim_t self:tcp_socket create_stream_socket_perms; can_exec(exim_t,exim_exec_t) manage_files_pattern(exim_t, exim_log_t, exim_log_t) logging_log_filetrans(exim_t, exim_log_t, { file dir }) manage_dirs_pattern(exim_t, exim_spool_t, exim_spool_t) manage_files_pattern(exim_t, exim_spool_t, exim_spool_t) manage_sock_files_pattern(exim_t, exim_spool_t, exim_spool_t) files_spool_filetrans(exim_t, exim_spool_t, { file dir sock_file }) manage_dirs_pattern(exim_t, exim_tmp_t, exim_tmp_t) manage_files_pattern(exim_t, exim_tmp_t, exim_tmp_t) files_tmp_filetrans(exim_t, exim_tmp_t, { file dir }) manage_dirs_pattern(exim_t, exim_var_run_t, exim_var_run_t) manage_files_pattern(exim_t, exim_var_run_t, exim_var_run_t) files_pid_filetrans(exim_t, exim_var_run_t, { file dir }) kernel_read_kernel_sysctls(exim_t) kernel_dontaudit_read_system_state(exim_t) corecmd_search_bin(exim_t) corenet_all_recvfrom_unlabeled(exim_t) corenet_tcp_sendrecv_all_if(exim_t) corenet_tcp_sendrecv_all_nodes(exim_t) corenet_tcp_sendrecv_all_ports(exim_t) corenet_tcp_bind_all_nodes(exim_t) corenet_tcp_bind_smtp_port(exim_t) corenet_tcp_bind_amavisd_send_port(exim_t) corenet_tcp_connect_auth_port(exim_t) corenet_tcp_connect_smtp_port(exim_t) corenet_tcp_connect_ldap_port(exim_t) corenet_tcp_connect_inetd_child_port(exim_t) dev_read_rand(exim_t) dev_read_urand(exim_t) # Init script handling domain_use_interactive_fds(exim_t) files_read_etc_files(exim_t) auth_use_nsswitch(exim_t) libs_use_ld_so(exim_t) libs_use_shared_libs(exim_t) logging_send_syslog_msg(exim_t) miscfiles_read_localization(exim_t) sysnet_dns_name_resolve(exim_t) unprivuser_dontaudit_search_home_dirs(exim_t) mta_read_aliases(exim_t) mta_rw_spool(exim_t) sysadm_dontaudit_search_home_dirs(exim_t) tunable_policy(`exim_read_user_files',` userdom_read_unpriv_users_home_content_files(exim_t) userdom_read_unpriv_users_tmp_files(exim_t) ') tunable_policy(`exim_manage_user_files',` userdom_manage_unpriv_users_home_content_dirs(exim_t) userdom_read_unpriv_users_tmp_files(exim_t) userdom_write_unpriv_users_tmp_files(exim_t) ')