## <summary>Policy for network configuration: ifconfig and dhcp client.</summary>

#######################################

## <summary>

##	Execute dhcp client in dhcpc domain.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

#

interface(`sysnet_domtrans_dhcpc',`

	gen_require(`

		type dhcpc_t, dhcpc_exec_t;

	')

	corecmd_search_bin($1)

	domtrans_pattern($1, dhcpc_exec_t, dhcpc_t)

')

########################################

## <summary>

##	Execute DHCP clients in the dhcpc domain, and

##	allow the specified role the dhcpc domain.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

## <param name="role">

##	<summary>

##	The role to be allowed the clock domain.

##	</summary>

## </param>

## <rolecap/>

#

interface(`sysnet_run_dhcpc',`

	gen_require(`

		type dhcpc_t;

	')

	sysnet_domtrans_dhcpc($1)

	role $2 types dhcpc_t;

	modutils_run_insmod(dhcpc_t, $2)

	sysnet_run_ifconfig(dhcpc_t, $2)

	optional_policy(`

		consoletype_run(dhcpc_t, $2)

	')

	optional_policy(`

		hostname_run(dhcpc_t, $2)

	')

	optional_policy(`

		netutils_run(dhcpc_t, $2)

		netutils_run_ping(dhcpc_t, $2)

	')

')

########################################

## <summary>

##	Do not audit attempts to use

##	the dhcp file descriptors.

## </summary>

## <param name="domain">

##	<summary>

##	The domain sending the SIGCHLD.

##	</summary>

## </param>

#

interface(`sysnet_dontaudit_use_dhcpc_fds',`

	gen_require(`

		type dhcpc_t;

	')

	dontaudit $1 dhcpc_t:fd use;

')

########################################

## <summary>

##	Send a SIGCHLD signal to the dhcp client.

## </summary>

## <param name="domain">

##	<summary>

##	The domain sending the SIGCHLD.

##	</summary>

## </param>

#

interface(`sysnet_sigchld_dhcpc',`

	gen_require(`

		type dhcpc_t;

	')

	allow $1 dhcpc_t:process sigchld;

')

########################################

## <summary>

##	Send a kill signal to the dhcp client.

## </summary>

## <param name="domain">

##	<summary>

##	The domain sending the SIGKILL.

##	</summary>

## </param>

## <rolecap/>

#

interface(`sysnet_kill_dhcpc',`

	gen_require(`

		type dhcpc_t;

	')

	allow $1 dhcpc_t:process sigkill;

')

########################################

## <summary>

##	Send a SIGSTOP signal to the dhcp client.

## </summary>

## <param name="domain">

##	<summary>

##	The domain sending the SIGSTOP.

##	</summary>

## </param>

#

interface(`sysnet_sigstop_dhcpc',`

	gen_require(`

		type dhcpc_t;

	')

	allow $1 dhcpc_t:process sigstop;

')

########################################

## <summary>

##	Send a null signal to the dhcp client.

## </summary>

## <param name="domain">

##	<summary>

##	The domain sending the null signal.

##	</summary>

## </param>

#

interface(`sysnet_signull_dhcpc',`

	gen_require(`

		type dhcpc_t;

	')

	allow $1 dhcpc_t:process signull;

')

########################################

## <summary>

##	Send a generic signal to the dhcp client.

## </summary>

## <param name="domain">

##	<summary>

##	The domain sending the signal.

##	</summary>

## </param>

## <rolecap/>

#

interface(`sysnet_signal_dhcpc',`

	gen_require(`

		type dhcpc_t;

	')

	allow $1 dhcpc_t:process signal;

')

########################################

## <summary>

##	Send and receive messages from

##	dhcpc over dbus.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`sysnet_dbus_chat_dhcpc',`

	gen_require(`

		type dhcpc_t;

		class dbus send_msg;

	')

	allow $1 dhcpc_t:dbus send_msg;

	allow dhcpc_t $1:dbus send_msg;

')

########################################

## <summary>

##	Read and write dhcp configuration files.

## </summary>

## <param name="domain">

##	<summary>

##	The domain allowed access.

##	</summary>

## </param>

#

interface(`sysnet_rw_dhcp_config',`

	gen_require(`

		type dhcp_etc_t;

	')

	files_search_etc($1)

	allow $1 dhcp_etc_t:file rw_file_perms;

')

########################################

## <summary>

##	Read dhcp client state files.

## </summary>

## <param name="domain">

##	<summary>

##	The domain allowed access.

##	</summary>

## </param>

#

interface(`sysnet_read_dhcpc_state',`

	gen_require(`

		type dhcpc_state_t;

	')

	read_files_pattern($1, dhcpc_state_t, dhcpc_state_t)

')

#######################################

## <summary>

##	Delete the dhcp client state files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`sysnet_delete_dhcpc_state',`

	gen_require(`

		type dhcpc_state_t;

	')

	delete_files_pattern($1, dhcpc_state_t, dhcpc_state_t)

')

#######################################

## <summary>

##	Set the attributes of network config files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`sysnet_setattr_config',`

	gen_require(`

		type net_conf_t;

	')

	files_search_etc($1)

	allow $1 net_conf_t:file setattr;

')

#######################################

## <summary>

##	Read network config files.

## </summary>

## <desc>

##	

##	Allow the specified domain to read the

##	general network configuration files.  A

##	common example of this is the

##	/etc/resolv.conf file, which has domain

##	name system (DNS) server IP addresses.

##	Typically, most networking processes will

##	require	the access provided by this interface.

##	

##	

##	Higher-level interfaces which involve

##	networking will generally call this interface,

##	for example:

##	

##	

##		
sysnet_dns_name_resolve()

##		
sysnet_use_ldap()

##		
sysnet_use_portmap()

##	

## </desc>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`sysnet_read_config',`

	gen_require(`

		type net_conf_t;

	')

	files_search_etc($1)

	allow $1 net_conf_t:file read_file_perms;

	ifdef(`distro_redhat',`

		allow $1 net_conf_t:dir list_dir_perms;

		read_files_pattern($1, net_conf_t, net_conf_t)

	')

')

#######################################

## <summary>

##	Do not audit attempts to read network config files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`sysnet_dontaudit_read_config',`

	gen_require(`

		type net_conf_t;

	')

	dontaudit $1 net_conf_t:file read_file_perms;

')

#######################################

## <summary>

##	Write network config files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`sysnet_write_config',`

	gen_require(`

		type net_conf_t;

	')

	files_search_etc($1)

	allow $1 net_conf_t:file write_file_perms;

')

#######################################

## <summary>

##	Create network config files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`sysnet_create_config',`

	gen_require(`

		type net_conf_t;

	')

	files_search_etc($1)

	allow $1 net_conf_t:file create_file_perms;

')

#######################################

## <summary>

##	Create files in /etc with the type used for

##	the network config files.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

#

interface(`sysnet_etc_filetrans_config',`

	gen_require(`

		type net_conf_t;

	')

	files_etc_filetrans($1, net_conf_t, file)

')

#######################################

## <summary>

##	Create, read, write, and delete network config files.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

#

interface(`sysnet_manage_config',`

	gen_require(`

		type net_conf_t;

	')

	allow $1 net_conf_t:file manage_file_perms;

	ifdef(`distro_redhat',`

		manage_files_pattern($1, net_conf_t, net_conf_t)

	')

')

#######################################

## <summary>

##	Read the dhcp client pid file.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

#

interface(`sysnet_read_dhcpc_pid',`

	gen_require(`

		type dhcpc_var_run_t;

	')

	files_list_pids($1)

	allow $1 dhcpc_var_run_t:file read_file_perms;

')

#######################################

## <summary>

##	Delete the dhcp client pid file.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

#

interface(`sysnet_delete_dhcpc_pid',`

	gen_require(`

		type dhcpc_var_run_t;

	')

	allow $1 dhcpc_var_run_t:file unlink;

')

#######################################

## <summary>

##	Execute ifconfig in the ifconfig domain.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

#

interface(`sysnet_domtrans_ifconfig',`

	gen_require(`

		type ifconfig_t, ifconfig_exec_t;

	')

	corecmd_search_bin($1)

	domtrans_pattern($1, ifconfig_exec_t, ifconfig_t)

')

########################################

## <summary>

##	Execute ifconfig in the ifconfig domain, and

##	allow the specified role the ifconfig domain,

##	and use the caller's terminal.

## </summary>

## <param name="domain">

##	<summary>

##	The type of the process performing this action.

##	</summary>

## </param>

## <param name="role">

##	<summary>

##	The role to be allowed the ifconfig domain.

##	</summary>

## </param>

## <rolecap/>

#

interface(`sysnet_run_ifconfig',`

	gen_require(`

		type ifconfig_t;

	')

	corecmd_search_bin($1)

	sysnet_domtrans_ifconfig($1)

	role $2 types ifconfig_t;

')

#######################################

## <summary>

##	Execute ifconfig in the caller domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`sysnet_exec_ifconfig',`

	gen_require(`

		type ifconfig_exec_t;

	')

	corecmd_search_bin($1)

	can_exec($1, ifconfig_exec_t)

')

########################################

## <summary>

##	Send a generic signal to ifconfig.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`sysnet_signal_ifconfig',`

	gen_require(`

		type ifconfig_t;

	')

	allow $1 ifconfig_t:process signal;

')

########################################

## <summary>

##	Read the DHCP configuration files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`sysnet_read_dhcp_config',`

	gen_require(`

		type dhcp_etc_t;

	')

	files_search_etc($1)

	allow $1 dhcp_etc_t:dir list_dir_perms;

	read_files_pattern($1, dhcp_etc_t, dhcp_etc_t)

')

########################################

## <summary>

##	Search the DHCP state data directory.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`sysnet_search_dhcp_state',`

	gen_require(`

		type dhcp_state_t;

	')

	files_search_var_lib($1)

	allow $1 dhcp_state_t:dir search_dir_perms;

')

########################################

## <summary>

##	Create DHCP state data.

## </summary>

## <desc>

##	

##	Create DHCP state data.

##	

##	

##	This is added for DHCP server, as

##	the server and client put their state

##	files in the same directory.

##	

## </desc>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <param name="file_type">

##	<summary>

##	The type of the object to be created

##	</summary>

## </param>

## <param name="object_class">

##	<summary>

##	The object class.

##	</summary>

## </param>

#

interface(`sysnet_dhcp_state_filetrans',`

	gen_require(`

		type dhcp_state_t;

	')

	files_search_var_lib($1)

	filetrans_pattern($1, dhcp_state_t, $2, $3)

')

########################################

## <summary>

##	Perform a DNS name resolution.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`sysnet_dns_name_resolve',`

	gen_require(`

		type net_conf_t;

	')

	allow $1 self:tcp_socket create_socket_perms;

	allow $1 self:udp_socket create_socket_perms;

	allow $1 self:netlink_route_socket r_netlink_socket_perms;

	corenet_all_recvfrom_unlabeled($1)

	corenet_all_recvfrom_netlabel($1)

	corenet_tcp_sendrecv_generic_if($1)

	corenet_udp_sendrecv_generic_if($1)

	corenet_tcp_sendrecv_generic_node($1)

	corenet_udp_sendrecv_generic_node($1)

	corenet_tcp_sendrecv_dns_port($1)

	corenet_udp_sendrecv_dns_port($1)

	corenet_tcp_connect_dns_port($1)

	corenet_sendrecv_dns_client_packets($1)

	sysnet_read_config($1)

	optional_policy(`

		avahi_stream_connect($1)

	')

	optional_policy(`

		nscd_socket_use($1)

	')

')

########################################

## <summary>

##	Connect and use a LDAP server.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`sysnet_use_ldap',`

	gen_require(`

		type net_conf_t;

	')		

	allow $1 self:tcp_socket create_socket_perms;

	corenet_all_recvfrom_unlabeled($1)

	corenet_all_recvfrom_netlabel($1)

	corenet_tcp_sendrecv_generic_if($1)

	corenet_tcp_sendrecv_generic_node($1)

	corenet_tcp_sendrecv_ldap_port($1)

	corenet_tcp_connect_ldap_port($1)

	corenet_sendrecv_ldap_client_packets($1)

	sysnet_read_config($1)

')

########################################

## <summary>

##	Connect and use remote port mappers.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`sysnet_use_portmap',`

	gen_require(`

		type net_conf_t;

	')		

	allow $1 self:tcp_socket create_socket_perms;

	allow $1 self:udp_socket create_socket_perms;

	corenet_all_recvfrom_unlabeled($1)

	corenet_all_recvfrom_netlabel($1)

	corenet_tcp_sendrecv_generic_if($1)

	corenet_udp_sendrecv_generic_if($1)

	corenet_tcp_sendrecv_generic_node($1)

	corenet_udp_sendrecv_generic_node($1)

	corenet_tcp_sendrecv_portmap_port($1)

	corenet_udp_sendrecv_portmap_port($1)

	corenet_tcp_connect_portmap_port($1)

	corenet_sendrecv_portmap_client_packets($1)

	sysnet_read_config($1)

')