policy_module(squid, 1.17.0) ######################################## # # Declarations # ## ##

## Determine whether squid can ## connect to all TCP ports. ##

##
gen_tunable(squid_connect_any, false) ## ##

## Determine whether squid can run ## as a transparent proxy. ##

##
gen_tunable(squid_use_tproxy, false) ## ##

## Determine whether squid can use the ## pinger daemon (needs raw net access) ##

##
gen_tunable(squid_use_pinger, true) type squid_t; type squid_exec_t; init_daemon_domain(squid_t, squid_exec_t) type squid_cache_t; files_type(squid_cache_t) type squid_conf_t; files_type(squid_conf_t) type squid_initrc_exec_t; init_script_file(squid_initrc_exec_t) type squid_log_t; logging_log_file(squid_log_t) type squid_tmp_t; files_tmp_file(squid_tmp_t) type squid_tmpfs_t; files_tmpfs_file(squid_tmpfs_t) type squid_var_run_t; files_pid_file(squid_var_run_t) ######################################## # # Local policy # allow squid_t self:capability { dac_override kill setgid setuid sys_resource }; dontaudit squid_t self:capability sys_tty_config; allow squid_t self:process { transition signal_perms getsched setsched getsession getpgid setpgid getcap setcap share getattr noatsecure siginh setrlimit rlimitinh dyntransition setkeycreate setsockcreate getrlimit }; allow squid_t self:fifo_file rw_fifo_file_perms; allow squid_t self:fd use; allow squid_t self:shm create_shm_perms; allow squid_t self:sem create_sem_perms; allow squid_t self:msgq create_msgq_perms; allow squid_t self:msg { send receive }; allow squid_t self:unix_dgram_socket sendto; allow squid_t self:unix_stream_socket { accept connectto listen }; allow squid_t self:tcp_socket { accept listen }; manage_dirs_pattern(squid_t, squid_cache_t, squid_cache_t) manage_files_pattern(squid_t, squid_cache_t, squid_cache_t) manage_lnk_files_pattern(squid_t, squid_cache_t, squid_cache_t) files_var_filetrans(squid_t, squid_cache_t, dir, "squid") allow squid_t squid_conf_t:dir list_dir_perms; allow squid_t squid_conf_t:file read_file_perms; allow squid_t squid_conf_t:lnk_file read_lnk_file_perms; manage_dirs_pattern(squid_t, squid_log_t, squid_log_t) manage_files_pattern(squid_t, squid_log_t, squid_log_t) manage_lnk_files_pattern(squid_t, squid_log_t, squid_log_t) logging_log_filetrans(squid_t, squid_log_t, { file dir }) manage_dirs_pattern(squid_t, squid_tmp_t, squid_tmp_t) manage_files_pattern(squid_t, squid_tmp_t, squid_tmp_t) files_tmp_filetrans(squid_t, squid_tmp_t, { file dir }) manage_files_pattern(squid_t, squid_tmpfs_t, squid_tmpfs_t) fs_tmpfs_filetrans(squid_t, squid_tmpfs_t, file) manage_files_pattern(squid_t, squid_var_run_t, squid_var_run_t) files_pid_filetrans(squid_t, squid_var_run_t, file) can_exec(squid_t, squid_exec_t) kernel_read_kernel_sysctls(squid_t) kernel_read_system_state(squid_t) kernel_read_network_state(squid_t) corenet_all_recvfrom_unlabeled(squid_t) corenet_all_recvfrom_netlabel(squid_t) corenet_tcp_sendrecv_generic_if(squid_t) corenet_udp_sendrecv_generic_if(squid_t) corenet_tcp_sendrecv_generic_node(squid_t) corenet_udp_sendrecv_generic_node(squid_t) corenet_tcp_bind_generic_node(squid_t) corenet_udp_bind_generic_node(squid_t) corenet_sendrecv_http_client_packets(squid_t) corenet_tcp_connect_http_port(squid_t) corenet_sendrecv_http_server_packets(squid_t) corenet_tcp_bind_http_port(squid_t) corenet_tcp_sendrecv_http_port(squid_t) corenet_sendrecv_http_cache_client_packets(squid_t) corenet_tcp_connect_http_cache_port(squid_t) corenet_sendrecv_http_cache_server_packets(squid_t) corenet_tcp_bind_http_cache_port(squid_t) corenet_udp_bind_http_cache_port(squid_t) corenet_tcp_sendrecv_http_cache_port(squid_t) corenet_udp_sendrecv_http_cache_port(squid_t) corenet_sendrecv_ftp_client_packets(squid_t) corenet_tcp_connect_ftp_port(squid_t) corenet_sendrecv_ftp_server_packets(squid_t) corenet_tcp_bind_ftp_port(squid_t) corenet_tcp_sendrecv_ftp_port(squid_t) corenet_sendrecv_gopher_client_packets(squid_t) corenet_tcp_connect_gopher_port(squid_t) corenet_sendrecv_gopher_server_packets(squid_t) corenet_tcp_bind_gopher_port(squid_t) corenet_udp_bind_gopher_port(squid_t) corenet_tcp_sendrecv_gopher_port(squid_t) corenet_udp_sendrecv_gopher_port(squid_t) corenet_sendrecv_squid_server_packets(squid_t) corenet_tcp_bind_squid_port(squid_t) corenet_udp_bind_squid_port(squid_t) corenet_tcp_sendrecv_squid_port(squid_t) corenet_udp_sendrecv_squid_port(squid_t) corenet_sendrecv_wccp_server_packets(squid_t) corenet_udp_bind_wccp_port(squid_t) corenet_udp_sendrecv_wccp_port(squid_t) corenet_sendrecv_pgpkeyserver_client_packets(squid_t) corenet_tcp_connect_pgpkeyserver_port(squid_t) corenet_tcp_sendrecv_pgpkeyserver_port(squid_t) corecmd_exec_bin(squid_t) corecmd_exec_shell(squid_t) dev_read_sysfs(squid_t) dev_read_urand(squid_t) domain_use_interactive_fds(squid_t) files_read_etc_runtime_files(squid_t) files_read_usr_files(squid_t) files_search_spool(squid_t) files_dontaudit_getattr_tmp_dirs(squid_t) files_getattr_home_dir(squid_t) files_dontaudit_getattr_boot_dirs(squid_t) fs_getattr_all_fs(squid_t) fs_search_auto_mountpoints(squid_t) fs_list_inotifyfs(squid_t) selinux_dontaudit_getattr_dir(squid_t) term_dontaudit_getattr_pty_dirs(squid_t) auth_use_nsswitch(squid_t) auth_domtrans_chk_passwd(squid_t) libs_exec_lib_files(squid_t) logging_send_syslog_msg(squid_t) miscfiles_read_generic_certs(squid_t) miscfiles_read_localization(squid_t) miscfiles_read_generic_tls_privkey(squid_t) userdom_use_unpriv_users_fds(squid_t) userdom_dontaudit_search_user_home_dirs(squid_t) tunable_policy(`squid_connect_any',` corenet_tcp_connect_all_ports(squid_t) corenet_tcp_bind_all_ports(squid_t) corenet_sendrecv_all_packets(squid_t) corenet_tcp_sendrecv_all_ports(squid_t) ') tunable_policy(`squid_use_pinger',` allow squid_t self:rawip_socket connected_socket_perms; allow squid_t self:capability net_raw; ') tunable_policy(`squid_use_tproxy',` allow squid_t self:capability net_admin; corenet_sendrecv_netport_server_packets(squid_t) corenet_tcp_bind_netport_port(squid_t) corenet_tcp_sendrecv_netport_port(squid_t) ') optional_policy(` apache_content_template(squid) corenet_all_recvfrom_unlabeled(httpd_squid_script_t) corenet_all_recvfrom_netlabel(httpd_squid_script_t) corenet_tcp_sendrecv_generic_if(httpd_squid_script_t) corenet_tcp_sendrecv_generic_node(httpd_squid_script_t) corenet_sendrecv_http_cache_client_packets(httpd_squid_script_t) corenet_tcp_connect_http_cache_port(httpd_squid_script_t) corenet_tcp_sendrecv_http_cache_port(httpd_squid_script_t) sysnet_dns_name_resolve(httpd_squid_script_t) squid_read_config(httpd_squid_script_t) ') optional_policy(` cron_system_entry(squid_t, squid_exec_t) ') optional_policy(` kerberos_manage_host_rcache(squid_t) kerberos_tmp_filetrans_host_rcache(squid_t, file, "host_0") ') optional_policy(` mysql_stream_connect(squid_t) ') optional_policy(` samba_domtrans_winbind_helper(squid_t) ') optional_policy(` seutil_sigchld_newrole(squid_t) ') optional_policy(` udev_read_db(squid_t) ')