311 lines
8.1 KiB
Plaintext
311 lines
8.1 KiB
Plaintext
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policy_module(sysnetwork,1.0)
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########################################
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#
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# Declarations
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#
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# this is shared between dhcpc and dhcpd:
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type dhcp_etc_t; #, usercanread;
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typealias dhcp_etc_t alias { etc_dhcp_t etc_dhcpc_t etc_dhcpd_t };
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files_file_type(dhcp_etc_t)
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# this is shared between dhcpc and dhcpd:
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type dhcp_state_t;
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files_file_type(dhcp_state_t)
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type dhcpc_t;
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type dhcpc_exec_t;
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init_daemon_domain(dhcpc_t,dhcpc_exec_t)
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role system_r types dhcpc_t;
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type dhcpc_state_t;
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files_file_type(dhcpc_state_t)
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type dhcpc_tmp_t;
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files_tmp_file(dhcpc_tmp_t)
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type dhcpc_var_run_t;
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files_pid_file(dhcpc_var_run_t)
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type ifconfig_t;
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type ifconfig_exec_t;
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init_system_domain(ifconfig_t, ifconfig_exec_t)
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role system_r types ifconfig_t;
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type net_conf_t alias resolv_conf_t;
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files_file_type(net_conf_t)
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########################################
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#
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# DHCP client local policy
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#
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allow dhcpc_t self:capability { dac_override fsetid net_admin net_raw net_bind_service sys_resource sys_tty_config };
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dontaudit dhcpc_t self:capability sys_tty_config;
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# for access("/etc/bashrc", X_OK) on Red Hat
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dontaudit dhcpc_t self:capability { dac_read_search sys_module };
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allow dhcpc_t self:tcp_socket create_socket_perms;
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allow dhcpc_t self:udp_socket create_socket_perms;
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allow dhcpc_t self:packet_socket create_socket_perms;
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allow dhcpc_t self:netlink_route_socket { create_socket_perms nlmsg_read };
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allow dhcpc_t self:fifo_file rw_file_perms;
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allow dhcpc_t dhcp_etc_t:dir r_dir_perms;
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allow dhcpc_t dhcp_etc_t:lnk_file r_file_perms;
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allow dhcpc_t dhcp_etc_t:file { r_file_perms execute execute_no_trans };
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allow dhcpc_t dhcpc_state_t:dir rw_dir_perms;
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allow dhcpc_t dhcpc_state_t:file create_file_perms;
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type_transition dhcpc_t dhcp_state_t:file dhcpc_state_t;
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# create pid file
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allow dhcpc_t dhcpc_var_run_t:file create_file_perms;
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files_create_pid(dhcpc_t,dhcpc_var_run_t)
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# Allow read/write to /etc/resolv.conf and /etc/ntp.conf. Note that any files
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# in /etc created by dhcpcd will be labelled net_conf_t.
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allow dhcpc_t net_conf_t:file create_file_perms;
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files_create_etc_config(dhcpc_t,net_conf_t,file)
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# create temp files
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allow dhcpc_t dhcpc_tmp_t:dir create_dir_perms;
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allow dhcpc_t dhcpc_tmp_t:file create_file_perms;
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files_create_tmp_files(dhcpc_t, dhcpc_tmp_t, { file dir })
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can_exec(dhcpc_t, dhcpc_exec_t)
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# transition to ifconfig
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domain_auto_trans(dhcpc_t, ifconfig_exec_t, ifconfig_t)
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allow dhcpc_t ifconfig_t:fd use;
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allow ifconfig_t dhcpc_t:fd use;
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allow ifconfig_t dhcpc_t:fifo_file rw_file_perms;
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allow ifconfig_t dhcpc_t:process sigchld;
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kernel_read_system_state(dhcpc_t)
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kernel_read_network_state(dhcpc_t)
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kernel_read_kernel_sysctl(dhcpc_t)
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kernel_read_hardware_state(dhcpc_t)
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kernel_use_fd(dhcpc_t)
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corenet_tcp_sendrecv_all_if(dhcpc_t)
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corenet_raw_sendrecv_all_if(dhcpc_t)
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corenet_udp_sendrecv_all_if(dhcpc_t)
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corenet_tcp_sendrecv_all_nodes(dhcpc_t)
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corenet_raw_sendrecv_all_nodes(dhcpc_t)
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corenet_udp_sendrecv_all_nodes(dhcpc_t)
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corenet_tcp_sendrecv_all_ports(dhcpc_t)
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corenet_udp_sendrecv_all_ports(dhcpc_t)
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corenet_tcp_bind_all_nodes(dhcpc_t)
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corenet_udp_bind_all_nodes(dhcpc_t)
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corenet_udp_bind_dhcpc_port(dhcpc_t)
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# for SSP
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dev_read_urand(dhcpc_t)
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fs_getattr_all_fs(dhcpc_t)
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term_dontaudit_use_console(dhcpc_t)
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term_dontaudit_use_all_user_ttys(dhcpc_t)
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term_dontaudit_use_all_user_ptys(dhcpc_t)
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term_dontaudit_use_unallocated_tty(dhcpc_t)
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corecmd_exec_bin(dhcpc_t)
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corecmd_exec_sbin(dhcpc_t)
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corecmd_exec_shell(dhcpc_t)
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domain_use_wide_inherit_fd(dhcpc_t)
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files_read_generic_etc_files(dhcpc_t)
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files_read_etc_runtime_files(dhcpc_t)
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init_use_fd(dhcpc_t)
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init_use_script_pty(dhcpc_t)
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init_rw_script_pid(dhcpc_t)
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logging_send_syslog_msg(dhcpc_t)
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libs_use_ld_so(dhcpc_t)
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libs_use_shared_libs(dhcpc_t)
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miscfiles_read_localization(dhcpc_t)
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modutils_domtrans_insmod(dhcpc_t)
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ifdef(`distro_redhat', `
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files_exec_generic_etc_files(dhcpc_t)
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')
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ifdef(`targeted_policy', `
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term_dontaudit_use_unallocated_tty(dhcpc_t)
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terminal_ignore_use_general_pseudoterminal(dhcpc_t)
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files_dontaudit_read_root_file(dhcpc_t)
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')
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optional_policy(`consoletype.te',`
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consoletype_domtrans(dhcpc_t)
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')
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optional_policy(`hostname.te',`
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hostname_domtrans(dhcpc_t)
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')
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optional_policy(`nscd.te',`
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nscd_transition(dhcpc_t)
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')
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optional_policy(`selinux.te',`
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selinux_newrole_sigchld(dhcpc_t)
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')
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optional_policy(`udev.te',`
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udev_read_db(dhcpc_t)
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')
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optional_policy(`userdomain.te',`
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userdom_use_all_user_fd(dhcpc_t)
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')
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#
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# dhclient sometimes starts ypbind and ntpd
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#
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init_exec_script(dhcpc_t)
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optional_policy(`ypbind.te',`
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ypbind_transition(dhcpc_t)
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')
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optional_policy(`ntpd.te',`
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ntpd_transition(dhcpc_t)
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')
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ifdef(`TODO',`
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allow dhcpc_t autofs_t:dir { search getattr };
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dontaudit dhcpc_t sysadm_home_dir_t:dir search;
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optional_policy(`rhgb.te', `
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allow dhcpc_t rhgb_t:process sigchld;
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allow dhcpc_t rhgb_t:fd use;
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allow dhcpc_t rhgb_t:fifo_file { read write };
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')
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can_ypbind(dhcpc_t)
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ifdef(`cardmgr.te', `
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domain_auto_trans(cardmgr_t, dhcpc_exec_t, dhcpc_t)
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allow cardmgr_t dhcpc_var_run_t:file { getattr read };
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allow cardmgr_t dhcpc_t:process signal_perms;
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')
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ifdef(`hotplug.te', `
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domain_auto_trans(hotplug_t, dhcpc_exec_t, dhcpc_t)
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allow hotplug_t dhcpc_t:process signal_perms;
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allow hotplug_t dhcpc_var_run_t:file { getattr read };
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allow hotplug_t dhcp_etc_t:file rw_file_perms;
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allow dhcpc_t hotplug_etc_t:dir { getattr search };
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ifdef(`distro_redhat', `
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logging_syslogd_transition(dhcpc_t)
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')
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')dnl end hotplug.te
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# for the dhcp client to run ping to check IP addresses
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ifdef(`ping.te', `
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domain_auto_trans(dhcpc_t, ping_exec_t, ping_t)
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ifdef(`hotplug.te',`
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allow ping_t hotplug_t:fd use;
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') dnl end if hotplug
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ifdef(`cardmgr.te', `
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allow ping_t cardmgr_t:fd use;
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') dnl end if cardmgr
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') dnl end if ping
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ifdef(`distro_redhat', `
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allow initrc_t dhcp_etc_t:file rw_file_perms;
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')
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allow dhcpc_t var_lib_t:dir search;
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allow dhcpc_t home_root_t:dir search;
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allow initrc_t dhcpc_state_t:file { getattr read };
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dontaudit dhcpc_t var_lock_t:dir search;
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dontaudit dhcpc_t selinux_config_t:dir search;
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dontaudit dhcpc_t domain:dir getattr;
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') dnl endif TODO
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########################################
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#
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# Ifconfig local policy
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#
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allow ifconfig_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem dyntransition };
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allow ifconfig_t self:capability net_admin;
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dontaudit ifconfig_t self:capability sys_module;
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allow ifconfig_t self:fd use;
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allow ifconfig_t self:fifo_file rw_file_perms;
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allow ifconfig_t self:unix_dgram_socket create_socket_perms;
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allow ifconfig_t self:unix_stream_socket create_stream_socket_perms;
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allow ifconfig_t self:unix_dgram_socket sendto;
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allow ifconfig_t self:unix_stream_socket connectto;
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allow ifconfig_t self:shm create_shm_perms;
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allow ifconfig_t self:sem create_sem_perms;
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allow ifconfig_t self:msgq create_msgq_perms;
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allow ifconfig_t self:msg { send receive };
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# Create UDP sockets, necessary when called from dhcpc
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allow ifconfig_t self:udp_socket create_socket_perms;
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# for /sbin/ip
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allow ifconfig_t self:netlink_route_socket create_netlink_socket_perms;
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allow ifconfig_t self:tcp_socket { create ioctl };
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files_read_generic_etc_files(ifconfig_t);
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kernel_use_fd(ifconfig_t)
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kernel_read_system_state(ifconfig_t)
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kernel_read_network_state(ifconfig_t)
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kernel_dontaudit_search_sysctl_dir(ifconfig_t)
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kernel_dontaudit_search_network_sysctl_dir(ifconfig_t)
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fs_getattr_xattr_fs(ifconfig_t)
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term_dontaudit_use_all_user_ttys(ifconfig_t)
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term_dontaudit_use_all_user_ptys(ifconfig_t)
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domain_use_wide_inherit_fd(ifconfig_t)
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files_dontaudit_read_root_file(ifconfig_t)
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init_use_fd(ifconfig_t)
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init_use_script_pty(ifconfig_t)
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libs_use_ld_so(ifconfig_t)
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libs_use_shared_libs(ifconfig_t)
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libs_read_lib(ifconfig_t)
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logging_send_syslog_msg(ifconfig_t)
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miscfiles_read_localization(ifconfig_t)
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selinux_use_runinit_fd(ifconfig_t)
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userdom_use_all_user_fd(ifconfig_t)
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ifdef(`TODO',`
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can_ypbind(ifconfig_t)
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ifdef(`automount.te', `
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allow ifconfig_t autofs_t:dir { search getattr };
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')
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# Access terminals.
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ifdef(`gnome-pty-helper.te', `allow ifconfig_t sysadm_gph_t:fd use;')
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allow ifconfig_t tun_tap_device_t:chr_file { read write };
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optional_policy(`rhgb.te', `
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allow ifconfig_t rhgb_t:process sigchld;
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allow ifconfig_t rhgb_t:fd use;
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allow ifconfig_t rhgb_t:fifo_file { read write };
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')
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') dnl endif TODO
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