policy_module(clamav, 1.8.1) ## ##

## Allow clamd to use JIT compiler ##

##
gen_tunable(clamd_use_jit, false) ######################################## # # Declarations # # Main clamd domain type clamd_t; type clamd_exec_t; init_daemon_domain(clamd_t, clamd_exec_t) # configuration files type clamd_etc_t; files_config_file(clamd_etc_t) type clamd_initrc_exec_t; init_script_file(clamd_initrc_exec_t) # tmp files type clamd_tmp_t; files_tmp_file(clamd_tmp_t) # log files type clamd_var_log_t; logging_log_file(clamd_var_log_t) # var/lib files type clamd_var_lib_t; files_type(clamd_var_lib_t) # pid files type clamd_var_run_t; files_pid_file(clamd_var_run_t) typealias clamd_var_run_t alias clamd_sock_t; type clamscan_t; type clamscan_exec_t; init_daemon_domain(clamscan_t, clamscan_exec_t) # tmp files type clamscan_tmp_t; files_tmp_file(clamscan_tmp_t) type freshclam_t; type freshclam_exec_t; init_daemon_domain(freshclam_t, freshclam_exec_t) # log files type freshclam_var_log_t; logging_log_file(freshclam_var_log_t) ######################################## # # clamd local policy # allow clamd_t self:capability { kill setgid setuid dac_override }; dontaudit clamd_t self:capability sys_tty_config; allow clamd_t self:fifo_file rw_fifo_file_perms; allow clamd_t self:unix_stream_socket { create_stream_socket_perms connectto }; allow clamd_t self:unix_dgram_socket create_socket_perms; allow clamd_t self:tcp_socket { listen accept }; # configuration files allow clamd_t clamd_etc_t:dir list_dir_perms; read_files_pattern(clamd_t, clamd_etc_t, clamd_etc_t) read_lnk_files_pattern(clamd_t, clamd_etc_t, clamd_etc_t) # tmp files manage_dirs_pattern(clamd_t, clamd_tmp_t, clamd_tmp_t) manage_files_pattern(clamd_t, clamd_tmp_t, clamd_tmp_t) files_tmp_filetrans(clamd_t, clamd_tmp_t, { file dir }) # var/lib files for clamd manage_dirs_pattern(clamd_t, clamd_var_lib_t, clamd_var_lib_t) manage_files_pattern(clamd_t, clamd_var_lib_t, clamd_var_lib_t) # log files manage_dirs_pattern(clamd_t, clamd_var_log_t, clamd_var_log_t) manage_files_pattern(clamd_t, clamd_var_log_t, clamd_var_log_t) logging_log_filetrans(clamd_t, clamd_var_log_t, { dir file }) # pid file manage_files_pattern(clamd_t, clamd_var_run_t, clamd_var_run_t) manage_sock_files_pattern(clamd_t, clamd_var_run_t, clamd_var_run_t) files_pid_filetrans(clamd_t, clamd_var_run_t, { file dir }) kernel_dontaudit_list_proc(clamd_t) kernel_read_sysctl(clamd_t) kernel_read_kernel_sysctls(clamd_t) kernel_read_system_state(clamd_t) corecmd_exec_shell(clamd_t) corenet_all_recvfrom_unlabeled(clamd_t) corenet_all_recvfrom_netlabel(clamd_t) corenet_tcp_sendrecv_generic_if(clamd_t) corenet_tcp_sendrecv_generic_node(clamd_t) corenet_tcp_sendrecv_all_ports(clamd_t) corenet_tcp_sendrecv_clamd_port(clamd_t) corenet_tcp_bind_generic_node(clamd_t) corenet_tcp_bind_clamd_port(clamd_t) corenet_tcp_bind_generic_port(clamd_t) corenet_tcp_connect_generic_port(clamd_t) corenet_sendrecv_clamd_server_packets(clamd_t) dev_read_rand(clamd_t) dev_read_urand(clamd_t) domain_use_interactive_fds(clamd_t) files_read_etc_files(clamd_t) files_read_etc_runtime_files(clamd_t) files_search_spool(clamd_t) auth_use_nsswitch(clamd_t) logging_send_syslog_msg(clamd_t) miscfiles_read_localization(clamd_t) cron_use_fds(clamd_t) cron_use_system_job_fds(clamd_t) cron_rw_pipes(clamd_t) mta_read_config(clamd_t) mta_send_mail(clamd_t) optional_policy(` amavis_read_lib_files(clamd_t) amavis_read_spool_files(clamd_t) amavis_spool_filetrans(clamd_t, clamd_var_run_t, sock_file) amavis_create_pid_files(clamd_t) ') optional_policy(` exim_read_spool_files(clamd_t) ') tunable_policy(`clamd_use_jit',` allow clamd_t self:process execmem; ', ` dontaudit clamd_t self:process execmem; ') ######################################## # # Freshclam local policy # allow freshclam_t self:capability { setgid setuid dac_override }; allow freshclam_t self:fifo_file rw_fifo_file_perms; allow freshclam_t self:unix_stream_socket create_stream_socket_perms; allow freshclam_t self:unix_dgram_socket create_socket_perms; allow freshclam_t self:tcp_socket { listen accept }; # configuration files allow freshclam_t clamd_etc_t:dir list_dir_perms; read_files_pattern(freshclam_t, clamd_etc_t, clamd_etc_t) read_lnk_files_pattern(freshclam_t, clamd_etc_t, clamd_etc_t) # var/lib files together with clamd manage_dirs_pattern(freshclam_t, clamd_var_lib_t, clamd_var_lib_t) manage_files_pattern(freshclam_t, clamd_var_lib_t, clamd_var_lib_t) # pidfiles- var/run together with clamd manage_files_pattern(freshclam_t, clamd_var_run_t, clamd_var_run_t) manage_sock_files_pattern(freshclam_t, clamd_var_run_t, clamd_var_run_t) files_pid_filetrans(freshclam_t, clamd_var_run_t, file) # log files (own logfiles only) manage_files_pattern(freshclam_t, freshclam_var_log_t, freshclam_var_log_t) allow freshclam_t freshclam_var_log_t:dir setattr; allow freshclam_t clamd_var_log_t:dir search_dir_perms; logging_log_filetrans(freshclam_t, freshclam_var_log_t, file) corenet_all_recvfrom_unlabeled(freshclam_t) corenet_all_recvfrom_netlabel(freshclam_t) corenet_tcp_sendrecv_generic_if(freshclam_t) corenet_tcp_sendrecv_generic_node(freshclam_t) corenet_tcp_sendrecv_all_ports(freshclam_t) corenet_tcp_sendrecv_clamd_port(freshclam_t) corenet_tcp_connect_http_port(freshclam_t) corenet_sendrecv_http_client_packets(freshclam_t) dev_read_rand(freshclam_t) dev_read_urand(freshclam_t) domain_use_interactive_fds(freshclam_t) files_read_etc_files(freshclam_t) files_read_etc_runtime_files(freshclam_t) auth_use_nsswitch(freshclam_t) logging_send_syslog_msg(freshclam_t) miscfiles_read_localization(freshclam_t) clamav_stream_connect(freshclam_t) optional_policy(` cron_system_entry(freshclam_t, freshclam_exec_t) ') tunable_policy(`clamd_use_jit',` allow freshclam_t self:process execmem; ', ` dontaudit freshclam_t self:process execmem; ') ######################################## # # clamscam local policy # allow clamscan_t self:capability { setgid setuid dac_override }; allow clamscan_t self:fifo_file rw_file_perms; allow clamscan_t self:unix_stream_socket create_stream_socket_perms; allow clamscan_t self:unix_dgram_socket create_socket_perms; allow clamscan_t self:tcp_socket create_stream_socket_perms; # configuration files allow clamscan_t clamd_etc_t:dir list_dir_perms; read_files_pattern(clamscan_t, clamd_etc_t, clamd_etc_t) read_lnk_files_pattern(clamscan_t, clamd_etc_t, clamd_etc_t) # tmp files manage_dirs_pattern(clamscan_t, clamscan_tmp_t, clamscan_tmp_t) manage_files_pattern(clamscan_t, clamscan_tmp_t, clamscan_tmp_t) files_tmp_filetrans(clamscan_t, clamscan_tmp_t, { file dir }) # var/lib files together with clamd manage_files_pattern(clamscan_t, clamd_var_lib_t, clamd_var_lib_t) allow clamscan_t clamd_var_lib_t:dir list_dir_perms; corenet_all_recvfrom_unlabeled(clamscan_t) corenet_all_recvfrom_netlabel(clamscan_t) corenet_tcp_sendrecv_generic_if(clamscan_t) corenet_tcp_sendrecv_generic_node(clamscan_t) corenet_tcp_sendrecv_all_ports(clamscan_t) corenet_tcp_sendrecv_clamd_port(clamscan_t) corenet_tcp_connect_clamd_port(clamscan_t) kernel_read_kernel_sysctls(clamscan_t) files_read_etc_files(clamscan_t) files_read_etc_runtime_files(clamscan_t) files_search_var_lib(clamscan_t) init_read_utmp(clamscan_t) init_dontaudit_write_utmp(clamscan_t) miscfiles_read_localization(clamscan_t) miscfiles_read_public_files(clamscan_t) clamav_stream_connect(clamscan_t) mta_send_mail(clamscan_t) optional_policy(` amavis_read_spool_files(clamscan_t) ') optional_policy(` apache_read_sys_content(clamscan_t) ')