## Policy for network configuration: ifconfig and dhcp client. ####################################### ## ## Execute dhcp client in dhcpc domain. ## ## ## The type of the process performing this action. ## # interface(`sysnet_domtrans_dhcpc',` gen_require(` type dhcpc_t, dhcpc_exec_t; class process sigchld; class fd use; class fifo_file rw_file_perms; ') corecmd_search_sbin($1) domain_auto_trans($1, dhcpc_exec_t, dhcpc_t) allow $1 dhcpc_t:fd use; allow dhcpc_t $1:fd use; allow dhcpc_t $1:fifo_file rw_file_perms; allow dhcpc_t $1:process sigchld; ') ######################################## ## ## Send a SIGCHLD signal to the dhcp client. ## ## ## The domain sending the SIGCHLD. ## # interface(`sysnet_sigchld_dhcpc',` gen_require(` type dhcpc_t; class process sigchld; ') allow $1 dhcpc_t:process sigchld; ') ######################################## ## ## Send a kill signal to the dhcp client. ## ## ## The domain sending the SIGKILL. ## # interface(`sysnet_kill_dhcpc',` gen_require(` type dhcpc_t; class process sigkill; ') allow $1 dhcpc_t:process sigkill; ') ######################################## ## ## Send a SIGSTOP signal to the dhcp client. ## ## ## The domain sending the SIGSTOP. ## # interface(`sysnet_sigstop_dhcpc',` gen_require(` type dhcpc_t; class process sigstop; ') allow $1 dhcpc_t:process sigstop; ') ######################################## ## ## Send a null signal to the dhcp client. ## ## ## The domain sending the null signal. ## # interface(`sysnet_signull_dhcpc',` gen_require(` type dhcpc_t; class process signull; ') allow $1 dhcpc_t:process signull; ') ######################################## ## ## Send a generic signal to the dhcp client. ## ## ## The domain sending the signal. ## # interface(`sysnet_signal_dhcpc',` gen_require(` type dhcpc_t; class process signal; ') allow $1 dhcpc_t:process signal; ') ######################################## ## ## Read and write dhcp configuration files. ## ## ## The domain allowed access. ## # interface(`sysnet_rw_dhcp_config',` gen_require(` type dhcp_etc_t; class file { getattr read }; ') files_search_etc($1) allow $1 dhcp_etc_t:file { getattr read }; ') ######################################## ## ## Read dhcp client state files. ## ## ## The domain allowed access. ## # interface(`sysnet_read_dhcpc_state',` gen_require(` type dhcpc_state_t; class file { getattr read }; ') allow $1 dhcpc_state_t:file { getattr read }; ') ####################################### ## ## Allow network init to read network config files. ## ## ## The type of the process performing this action. ## # interface(`sysnet_read_config',` gen_require(` type net_conf_t; class file r_file_perms; ') files_search_etc($1) allow $1 net_conf_t:file r_file_perms; ') ####################################### ## ## Create files in /etc with the type used for ## the network config files. ## ## ## The type of the process performing this action. ## # interface(`sysnet_create_config',` gen_require(` type net_conf_t; class file create_file_perms; ') files_create_etc_config($1,net_conf_t,file) ') ####################################### ## ## Create, read, write, and delete network config files. ## ## ## The type of the process performing this action. ## # interface(`sysnet_manage_config',` gen_require(` type net_conf_t; class file create_file_perms; ') allow $1 net_conf_t:file create_file_perms; ') ####################################### ## ## Read the dhcp client pid file. ## ## ## The type of the process performing this action. ## # interface(`sysnet_read_dhcpc_pid',` gen_require(` type dhcpc_var_run_t; class file { getattr read }; ') files_list_pids($1) allow $1 dhcpc_var_run_t:file { getattr read }; ') ####################################### ## ## Execute ifconfig in the ifconfig domain. ## ## ## The type of the process performing this action. ## # interface(`sysnet_domtrans_ifconfig',` gen_require(` type ifconfig_t, ifconfig_exec_t; class process sigchld; class fd use; class fifo_file rw_file_perms; ') corecmd_search_sbin($1) domain_auto_trans($1, ifconfig_exec_t, ifconfig_t) allow $1 ifconfig_t:fd use; allow ifconfig_t $1:fd use; allow ifconfig_t $1:fifo_file rw_file_perms; allow ifconfig_t $1:process sigchld; ') ######################################## ## ## Execute ifconfig in the ifconfig domain, and ## allow the specified role the ifconfig domain, ## and use the caller's terminal. ## ## ## The type of the process performing this action. ## ## ## The role to be allowed the ifconfig domain. ## ## ## The type of the terminal allow the ifconfig domain to use. ## # interface(`sysnet_run_ifconfig',` gen_require(` type ifconfig_t; class chr_file rw_term_perms; ') corecmd_search_sbin($1) sysnet_domtrans_ifconfig($1) role $2 types ifconfig_t; allow ifconfig_t $3:chr_file rw_term_perms; ') ######################################## ## ## Read the DHCP configuration files. ## ## ## Domain allowed access. ## # interface(`sysnet_read_dhcp_config',` gen_require(` type dhcp_etc_t; class dir search; class file { getattr read }; ') files_search_etc($1) allow $1 dhcp_etc_t:dir search; allow $1 dhcp_etc_t:file { getattr read }; ') ######################################## ## ## Search the DHCP state data directory. ## ## ## Domain allowed access. ## # interface(`sysnet_search_dhcp_state',` gen_require(` type dhcp_state_t; class dir search; ') files_search_var_lib($1) allow $1 dhcp_state_t:dir search; ') ######################################## ## ## Create DHCP state data. ## ## ##

## Create DHCP state data. ##

##

## This is added for DHCP server, as ## the server and client put their state ## files in the same directory. ##

##
## ## Domain allowed access. ## ## ## The type of the object to be created ## ## ## The object class. If not specified, file is used. ## # interface(`sysnet_create_dhcp_state',` gen_require(` type dhcp_state_t; class dir rw_dir_perms; ') files_search_var_lib($1) allow $1 dhcp_state_t:dir rw_dir_perms; ifelse(`$3',`',` type_transition $1 dhcp_state_t:file $2; ',` type_transition $1 dhcp_state_t:$3 $2; ') ') ######################################## ## ## Perform a DNS name resolution. ## ## ## Domain allowed access. ## # interface(`sysnet_dns_name_resolve',` gen_require(` type net_conf_t; class udp_socket create_socket_perms; ') allow $1 self:udp_socket create_socket_perms; corenet_udp_sendrecv_all_if($1) corenet_raw_sendrecv_all_if($1) corenet_udp_sendrecv_all_nodes($1) corenet_raw_sendrecv_all_nodes($1) corenet_udp_sendrecv_dns_port($1) corenet_udp_bind_all_nodes($1) files_search_etc($1) allow $1 net_conf_t:file r_file_perms; ') ######################################## ## ## Connect and use a LDAP server. ## ## ## Domain allowed access. ## # interface(`sysnet_use_ldap',` gen_require(` type net_conf_t; class tcp_socket create_socket_perms; ') allow $1 self:tcp_socket create_socket_perms; corenet_tcp_sendrecv_all_if($1) corenet_raw_sendrecv_all_if($1) corenet_tcp_sendrecv_all_nodes($1) corenet_raw_sendrecv_all_nodes($1) corenet_tcp_sendrecv_ldap_port($1) corenet_tcp_bind_all_nodes($1) corenet_tcp_connect_ldap_port($1) files_search_etc($1) allow $1 net_conf_t:file r_file_perms; ') ######################################## ## ## Connect and use remote port mappers. ## ## ## Domain allowed access. ## # interface(`sysnet_use_portmap',` gen_require(` type net_conf_t; class tcp_socket create_socket_perms; class udp_socket create_socket_perms; ') allow $1 self:tcp_socket create_socket_perms; allow $1 self:udp_socket create_socket_perms; corenet_tcp_sendrecv_all_if($1) corenet_udp_sendrecv_all_if($1) corenet_raw_sendrecv_all_if($1) corenet_tcp_sendrecv_all_nodes($1) corenet_udp_sendrecv_all_nodes($1) corenet_raw_sendrecv_all_nodes($1) corenet_tcp_sendrecv_portmap_port($1) corenet_udp_sendrecv_portmap_port($1) corenet_tcp_bind_all_nodes($1) corenet_udp_bind_all_nodes($1) corenet_tcp_connect_portmap_port($1) files_search_etc($1) allow $1 net_conf_t:file r_file_perms; ')