policy_module(squid, 1.8.2) ######################################## # # Declarations # ## ##

## Allow squid to connect to all ports, not just ## HTTP, FTP, and Gopher ports. ##

##
gen_tunable(squid_connect_any, false) type squid_t; type squid_exec_t; init_daemon_domain(squid_t, squid_exec_t) # type for /var/cache/squid 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_var_run_t; files_pid_file(squid_var_run_t) ######################################## # # Local policy # allow squid_t self:capability { setgid kill setuid dac_override sys_resource }; dontaudit squid_t self:capability sys_tty_config; allow squid_t self:process ~{ ptrace setcurrent setexec setfscreate execmem execstack execheap }; allow squid_t self:fifo_file rw_fifo_file_perms; allow squid_t self:sock_file read_sock_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_stream_socket create_stream_socket_perms; allow squid_t self:unix_dgram_socket create_socket_perms; allow squid_t self:unix_dgram_socket sendto; allow squid_t self:unix_stream_socket connectto; allow squid_t self:tcp_socket create_stream_socket_perms; allow squid_t self:udp_socket create_socket_perms; # Grant permissions to create, access, and delete cache files. 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) allow squid_t squid_conf_t:dir list_dir_perms; read_files_pattern(squid_t, squid_conf_t, squid_conf_t) read_lnk_files_pattern(squid_t, squid_conf_t, squid_conf_t) can_exec(squid_t, squid_exec_t) manage_files_pattern(squid_t, squid_log_t, squid_log_t) logging_log_filetrans(squid_t, squid_log_t, { file dir }) manage_files_pattern(squid_t, squid_var_run_t, squid_var_run_t) files_pid_filetrans(squid_t, squid_var_run_t, file) kernel_read_kernel_sysctls(squid_t) kernel_read_system_state(squid_t) files_dontaudit_getattr_boot_dirs(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_sendrecv_all_ports(squid_t) corenet_udp_sendrecv_all_ports(squid_t) corenet_tcp_bind_generic_node(squid_t) corenet_udp_bind_generic_node(squid_t) corenet_tcp_bind_http_port(squid_t) corenet_tcp_bind_http_cache_port(squid_t) corenet_udp_bind_http_cache_port(squid_t) corenet_tcp_bind_ftp_port(squid_t) corenet_tcp_bind_gopher_port(squid_t) corenet_udp_bind_gopher_port(squid_t) corenet_tcp_bind_squid_port(squid_t) corenet_udp_bind_squid_port(squid_t) corenet_udp_bind_wccp_port(squid_t) corenet_tcp_connect_ftp_port(squid_t) corenet_tcp_connect_gopher_port(squid_t) corenet_tcp_connect_http_port(squid_t) corenet_tcp_connect_http_cache_port(squid_t) corenet_tcp_connect_pgpkeyserver_port(squid_t) corenet_sendrecv_ftp_client_packets(squid_t) corenet_sendrecv_gopher_client_packets(squid_t) corenet_sendrecv_http_client_packets(squid_t) corenet_sendrecv_http_server_packets(squid_t) corenet_sendrecv_http_cache_server_packets(squid_t) corenet_sendrecv_http_cache_client_packets(squid_t) corenet_sendrecv_pgpkeyserver_client_packets(squid_t) corenet_sendrecv_squid_client_packets(squid_t) corenet_sendrecv_squid_server_packets(squid_t) corenet_sendrecv_wccp_server_packets(squid_t) dev_read_sysfs(squid_t) dev_read_urand(squid_t) fs_getattr_all_fs(squid_t) fs_search_auto_mountpoints(squid_t) selinux_dontaudit_getattr_dir(squid_t) term_dontaudit_getattr_pty_dirs(squid_t) # to allow running programs from /usr/lib/squid (IE unlinkd) corecmd_exec_bin(squid_t) corecmd_exec_shell(squid_t) domain_use_interactive_fds(squid_t) files_read_etc_files(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) auth_use_nsswitch(squid_t) auth_domtrans_chk_passwd(squid_t) # to allow running programs from /usr/lib/squid (IE unlinkd) libs_exec_lib_files(squid_t) logging_send_syslog_msg(squid_t) miscfiles_read_certs(squid_t) miscfiles_read_localization(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) ') optional_policy(` apache_content_template(squid) allow httpd_squid_script_t self:tcp_socket create_socket_perms; corenet_all_recvfrom_unlabeled(httpd_squid_script_t) corenet_all_recvfrom_netlabel(httpd_squid_script_t) corenet_tcp_connect_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(` samba_domtrans_winbind_helper(squid_t) ') optional_policy(` seutil_sigchld_newrole(squid_t) ') optional_policy(` udev_read_db(squid_t) ') ifdef(`TODO',` #squid requires the following when run in diskd mode, the recommended setting allow squid_t tmpfs_t:file { read write }; ') dnl end TODO