selinux-policy/refpolicy/policy/modules/system/sysnetwork.if

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

#######################################
##     <desc>
##             Execute dhcp client in dhcpc domain.
##     </desc>
##     <param name="domain">
##             The type of the process performing this action.
##     </param>
#
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;
')

#######################################
## <desc>
##	Execute ifconfig in the ifconfig domain.
## </desc>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
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;
')

########################################
## <desc>
##	Execute ifconfig in the ifconfig domain, and
##	allow the specified role the ifconfig domain,
##	and use the caller's terminal.
## </desc>
## <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;
		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;
')

#######################################
##     <desc>
##             Allow network init to read network config files.
##     </desc>
##     <param name="domain">
##             The type of the process performing this action.
##     </param>
#
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;
')