307 lines
9.9 KiB
Plaintext
307 lines
9.9 KiB
Plaintext
# Copyright (C) 2005 Tresys Technology, LLC
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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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type dhcpc_t;
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type dhcpc_exec_t;
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init_make_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_make_file(dhcpc_state_t)
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type dhcpc_tmp_t;
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files_make_temporary_file(dhcpc_tmp_t)
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type dhcpc_var_run_t;
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files_make_daemon_runtime_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_make_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_make_file(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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# create pid file
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allow dhcpc_t dhcpc_var_run_t:file { getattr create read write append setattr unlink };
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files_create_daemon_runtime_data(dhcpc_t,dhcpc_var_run_t)
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# transition to ifconfig
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allow dhcpc_t ifconfig_exec_t:file { getattr read execute };
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allow dhcpc_t ifconfig_t:process transition;
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type_transition dhcpc_t ifconfig_exec_t:process ifconfig_t;
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dontaudit dhcpc_t ifconfig_t:process { noatsecure siginh rlimitinh };
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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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# 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 ioctl read getattr lock write setattr append link unlink rename };
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files_create_private_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 read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir };
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allow dhcpc_t dhcpc_tmp_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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files_create_private_tmp_data(dhcpc_t, dhcpc_tmp_t, { file dir })
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allow dhcpc_t self:tcp_socket { create ioctl read getattr write setattr append bind getopt setopt shutdown };
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allow dhcpc_t self:udp_socket { create ioctl read getattr write setattr append bind getopt setopt shutdown };
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allow dhcpc_t self:packet_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown };
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allow dhcpc_t self:netlink_route_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown nlmsg_read };
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allow dhcpc_t self:fifo_file { ioctl read getattr lock write append };
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allow dhcpc_t dhcpc_exec_t:file { getattr read execute execute_no_trans };
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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_file_descriptors(dhcpc_t)
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corenetwork_network_tcp_on_all_interfaces(dhcpc_t)
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corenetwork_network_raw_on_all_interfaces(dhcpc_t)
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corenetwork_network_udp_on_all_interfaces(dhcpc_t)
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corenetwork_network_tcp_on_all_nodes(dhcpc_t)
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corenetwork_network_raw_on_all_nodes(dhcpc_t)
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corenetwork_network_udp_on_all_nodes(dhcpc_t)
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corenetwork_network_tcp_on_all_ports(dhcpc_t)
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corenetwork_network_udp_on_all_ports(dhcpc_t)
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corenetwork_bind_tcp_on_all_nodes(dhcpc_t)
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corenetwork_bind_udp_on_all_nodes(dhcpc_t)
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corenetwork_bind_udp_on_dhcpc_port(dhcpc_t)
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# for SSP
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devices_get_pseudorandom_data(dhcpc_t)
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filesystem_get_all_filesystems_attributes(dhcpc_t)
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terminal_ignore_use_console(dhcpc_t)
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terminal_ignore_use_all_private_physical_terminals(dhcpc_t)
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terminal_ignore_use_all_private_pseudoterminals(dhcpc_t)
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terminal_ignore_use_general_physical_terminal(dhcpc_t)
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corecommands_execute_general_programs(dhcpc_t)
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corecommands_execute_system_programs(dhcpc_t)
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corecommands_execute_shell(dhcpc_t)
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domain_use_widely_inheritable_file_descriptors(dhcpc_t)
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files_read_general_system_config(dhcpc_t)
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files_read_runtime_system_config(dhcpc_t)
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init_use_file_descriptors(dhcpc_t)
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init_script_use_pseudoterminal(dhcpc_t)
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init_script_modify_runtime_data(dhcpc_t)
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logging_send_system_log_message(dhcpc_t)
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libraries_use_dynamic_loader(dhcpc_t)
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libraries_use_shared_libraries(dhcpc_t)
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miscfiles_read_localization(dhcpc_t)
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modutils_insmod_transition(dhcpc_t)
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tunable_policy(`targeted_policy', `
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terminal_ignore_use_general_physical_terminal(dhcpc_t)
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terminal_ignore_use_general_pseudoterminal(dhcpc_t)
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files_ignore_read_rootfs_file(dhcpc_t)
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')
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optional_policy(`consoletype.te',`
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consoletype_transition(dhcpc_t)
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')
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optional_policy(`hostname.te',`
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hostname_transition(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_database(dhcpc_t)
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')
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optional_policy(`userdomain.te',`
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userdomain_use_all_users_file_descriptors(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_script_execute(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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tunable_policy(`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(`dhcpd.te', `', `
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#type dhcp_state_t, file_type, sysadmfile;
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#type dhcp_etc_t, file_type, sysadmfile, usercanread;
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#typealias dhcp_etc_t alias { etc_dhcp_t etc_dhcpc_t etc_dhcpd_t };
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')
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allow dhcpc_t dhcp_etc_t:dir { getattr read search };
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allow dhcpc_t dhcp_etc_t:file { read getattr };
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allow dhcpc_t dhcp_etc_t:lnk_file { getattr read };
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allow dhcpc_t dhcp_etc_t:file { getattr read execute execute_no_trans };
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ifdef(`distro_redhat', `
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files_execute_system_config_script(dhcpc_t)
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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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file_type_auto_trans(dhcpc_t, dhcp_state_t, dhcpc_state_t, file)
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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 { read getattr lock ioctl write append };
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allow ifconfig_t self:unix_dgram_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown };
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allow ifconfig_t self:unix_stream_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept };
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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 { associate getattr setattr create destroy read write lock unix_read unix_write };
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allow ifconfig_t self:sem { associate getattr setattr create destroy read write unix_read unix_write };
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allow ifconfig_t self:msgq { associate getattr setattr create destroy read write enqueue unix_read unix_write };
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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 ioctl read getattr write setattr append bind connect getopt setopt shutdown };
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# for /sbin/ip
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allow ifconfig_t self:netlink_route_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown nlmsg_read nlmsg_write };
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allow ifconfig_t self:tcp_socket { create ioctl };
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files_read_general_system_config(ifconfig_t);
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kernel_use_file_descriptors(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_ignore_search_sysctl_dir(ifconfig_t)
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kernel_ignore_search_network_sysctl_dir(ifconfig_t)
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filesystem_get_persistent_filesystem_attributes(ifconfig_t)
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terminal_ignore_use_all_private_physical_terminals(ifconfig_t)
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terminal_ignore_use_all_private_pseudoterminals(ifconfig_t)
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domain_use_widely_inheritable_file_descriptors(ifconfig_t)
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files_ignore_read_rootfs_file(ifconfig_t)
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init_use_file_descriptors(ifconfig_t)
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init_script_use_pseudoterminal(ifconfig_t)
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libraries_use_dynamic_loader(ifconfig_t)
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libraries_use_shared_libraries(ifconfig_t)
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libraries_read_library_resources(ifconfig_t)
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logging_send_system_log_message(ifconfig_t)
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miscfiles_read_localization(ifconfig_t)
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selinux_run_init_use_file_descriptors(ifconfig_t)
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userdomain_use_all_users_file_descriptors(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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