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

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

## <summary>

##	Execute dhcp client in dhcpc domain.

## </summary>

## <param name="domain">

##     The type of the process performing this action.

## </param>

#

interface(`sysnet_domtrans_dhcpc',`

	gen_require(`

		type dhcpc_t, dhcpc_exec_t;

	')

	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;

')

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

## <summary>

##	Execute DHCP clients in the dhcpc domain, and

##	allow the specified role the dhcpc domain.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

## <param name="role">

##	The role to be allowed the clock domain.

## </param>

## <param name="terminal">

##	The type of the terminal allow the clock domain to use.

## </param>

#

interface(`sysnet_run_dhcpc',`

	gen_require(`

		type dhcpc_t;

	')

	sysnet_domtrans_dhcpc($1)

	role $2 types dhcpc_t;

	allow dhcpc_t $3:chr_file { getattr read write ioctl };

')

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

## <summary>

##	Send a SIGCHLD signal to the dhcp client.

## </summary>

## <param name="domain">

##	The domain sending the SIGCHLD.

## </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">

##	The domain sending the SIGKILL.

## </param>

#

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">

##	The domain sending the SIGSTOP.

## </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">

##	The domain sending the null signal.

## </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">

##	The domain sending the signal.

## </param>

#

interface(`sysnet_signal_dhcpc',`

	gen_require(`

		type dhcpc_t;

	')

	allow $1 dhcpc_t:process signal;

')

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

## <summary>

##	Read and write dhcp configuration files.

## </summary>

## <param name="domain">

##	The domain allowed access.

## </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">

##	The domain allowed access.

## </param>

#

interface(`sysnet_read_dhcpc_state',`

	gen_require(`

		type dhcpc_state_t;

	')

	allow $1 dhcpc_state_t:file { getattr read };

')

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

## <summary>

##	Allow network init to read network config files.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`sysnet_read_config',`

	gen_require(`

		type net_conf_t;

	')

	files_search_etc($1)

	allow $1 net_conf_t:file r_file_perms;

')

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

## <summary>

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

##	the network config files.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`sysnet_create_config',`

	gen_require(`

		type net_conf_t;

	')

	files_create_etc_config($1,net_conf_t,file)

')

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

## <summary>

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

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`sysnet_manage_config',`

	gen_require(`

		type net_conf_t;

	')

	allow $1 net_conf_t:file create_file_perms;

')

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

## <summary>

##	Read the dhcp client pid file.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`sysnet_read_dhcpc_pid',`

	gen_require(`

		type dhcpc_var_run_t;

	')

	files_list_pids($1)

	allow $1 dhcpc_var_run_t:file { getattr read };

')

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

## <summary>

##	Delete the dhcp client pid file.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </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">

##	The type of the process performing this action.

## </param>

#

interface(`sysnet_domtrans_ifconfig',`

	gen_require(`

		type ifconfig_t, ifconfig_exec_t;

	')

	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;

')

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

## <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">

##	The type of the process performing this action.

## </param>

## <param name="role">

##	The role to be allowed the ifconfig domain.

## </param>

## <param name="terminal">

##	The type of the terminal allow the ifconfig domain to use.

## </param>

#

interface(`sysnet_run_ifconfig',`

	gen_require(`

		type ifconfig_t;

	')

	corecmd_search_sbin($1)

	sysnet_domtrans_ifconfig($1)

	role $2 types ifconfig_t;

	allow ifconfig_t $3:chr_file rw_term_perms;

')

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

## <summary>

##	Execute ifconfig in the caller domain.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`sysnet_exec_ifconfig',`

	gen_require(`

		type ifconfig_exec_t;

	')

	corecmd_search_sbin($1)

	can_exec($1,ifconfig_exec_t)

')

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

## <summary>

##	Read the DHCP configuration files.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`sysnet_read_dhcp_config',`

	gen_require(`

		type dhcp_etc_t;

	')

	files_search_etc($1)

	allow $1 dhcp_etc_t:dir search;

	allow $1 dhcp_etc_t:file { getattr read };

')

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

## <summary>

##	Search the DHCP state data directory.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`sysnet_search_dhcp_state',`

	gen_require(`

		type dhcp_state_t;

	')

	files_search_var_lib($1)

	allow $1 dhcp_state_t:dir search;

')

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

## <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">

##	Domain allowed access.

## </param>

## <param name="file_type">

##	The type of the object to be created

## </param>

## <param name="object_class" optional="true">

##	The object class.  If not specified, file is used.

## </param>

#

interface(`sysnet_create_dhcp_state',`

	gen_require(`

		type dhcp_state_t;

	')

	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;

	')

')

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

## <summary>

##	Perform a DNS name resolution.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

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;

	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_all_ports($1)

	corenet_udp_sendrecv_dns_port($1)

	corenet_tcp_bind_all_nodes($1)

	corenet_udp_bind_all_nodes($1)

	corenet_tcp_connect_dns_port($1)

	files_search_etc($1)

	allow $1 net_conf_t:file r_file_perms;

')

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

## <summary>

##	Connect and use a LDAP server.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`sysnet_use_ldap',`

	gen_require(`

		type net_conf_t;

	')		

	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;

')

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

## <summary>

##	Connect and use remote port mappers.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </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_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;

')