freebsd-dev/etc/network.subr

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#!/bin/sh -
#
# $Id: rc.network,v 1.27 1998/06/14 16:31:03 steve Exp $
# From: @(#)netstart 5.9 (Berkeley) 3/30/91
# Note that almost all the user-configurable behavior is no longer in
# this file, but rather in /etc/rc.conf. Please check that file
# first before contemplating any changes here. If you do need to change
# this file for some reason, we would like to know about it.
# First pass startup stuff.
network_pass1() {
echo -n 'Doing initial network setup:'
# Set the host name if it is not already set
if [ -z "`hostname -s`" ] ; then
hostname $hostname
echo -n ' hostname'
fi
# Set the domainname if we're using NIS
if [ -n "$nisdomainname" -a "x$nisdomainname" != "xNO" ] ; then
domainname $nisdomainname
echo -n ' domain'
fi
echo '.'
# Set up all the network interfaces, calling startup scripts if needed
for ifn in ${network_interfaces}; do
if [ -e /etc/start_if.${ifn} ]; then
. /etc/start_if.${ifn}
fi
# Do the primary ifconfig if specified
eval ifconfig_args=\$ifconfig_${ifn}
if [ -n "${ifconfig_args}" ] ; then
ifconfig ${ifn} ${ifconfig_args}
fi
# Check to see if aliases need to be added
alias=0
while :
do
eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
if [ -n "${ifconfig_args}" ]; then
ifconfig ${ifn} ${ifconfig_args} alias
alias=`expr ${alias} + 1`
else
break;
fi
done
# Do ipx address if specified
eval ifconfig_args=\$ifconfig_${ifn}_ipx
if [ -n "${ifconfig_args}" ]; then
ifconfig ${ifn} ${ifconfig_args}
fi
ifconfig ${ifn}
done
# Initialize IP filtering using ipfw
echo ""
/sbin/ipfw -q flush > /dev/null 2>&1
if [ $? = 0 ] ; then
firewall_in_kernel=1
else
firewall_in_kernel=0
fi
if [ $firewall_in_kernel = 0 -a "x$firewall_enable" = "xYES" ] ; then
if modload /lkm/ipfw_mod.o; then
firewall_in_kernel=1 # module loaded successfully
echo "Kernel firewall module loaded."
else
echo "Warning: firewall kernel module failed to load."
fi
fi
# Load the filters if required
if [ $firewall_in_kernel = 1 ]; then
if [ -n "$firewall_enable" -a -f /etc/rc.firewall -a \
"x$firewall_enable" = "xYES" ] ; then
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. /etc/rc.firewall
echo "Firewall rules loaded."
else
IPFW_DEFAULT=`ipfw l 65535`
if [ "$IPFW_DEFAULT" = "65535 deny ip from any to any" ]; then
echo -n "Warning: kernel has firewall functionality, "
echo "but firewall rules are not enabled."
echo " All ip services are disabled."
fi
fi
fi
# Configure routing
if [ "x$defaultrouter" != "xNO" ] ; then
static_routes="default ${static_routes}"
route_default="default ${defaultrouter}"
fi
# Set up any static routes. This should be done before router discovery.
if [ "x${static_routes}" != "x" ]; then
for i in ${static_routes}; do
eval route_args=\$route_${i}
route add ${route_args}
done
fi
echo -n 'Additional routing options:'
if [ -n "$tcp_extensions" -a "x$tcp_extensions" != "xYES" ] ; then
echo -n ' tcp extensions=NO'
sysctl -w net.inet.tcp.rfc1323=0 >/dev/null 2>&1
sysctl -w net.inet.tcp.rfc1644=0 >/dev/null 2>&1
fi
if [ "X$gateway_enable" = X"YES" ]; then
echo -n ' IP gateway=YES'
sysctl -w net.inet.ip.forwarding=1 >/dev/null 2>&1
fi
if [ "X$forward_sourceroute" = X"YES" ]; then
echo -n ' do source routing=YES'
sysctl -w net.inet.ip.sourceroute=1 >/dev/null 2>&1
fi
if [ "X$accept_sourceroute" = X"YES" ]; then
echo -n ' accept source routing=YES'
sysctl -w net.inet.ip.accept_sourceroute=1 >/dev/null 2>&1
fi
if [ "X$ipxgateway_enable" = X"YES" ]; then
echo -n ' IPX gateway=YES'
sysctl -w net.ipx.ipx.ipxforwarding=1 >/dev/null 2>&1
fi
if [ "X$arpproxy_all" = X"YES" ]; then
echo -n ' enabling ARP_PROXY_ALL: '
sysctl -w net.link.ether.inet.proxyall=1 2>&1
fi
echo '.'
echo -n 'routing daemons:'
if [ "X$router_enable" = X"YES" ]; then
echo -n " ${router}"; ${router} ${router_flags}
fi
if [ "X$ipxrouted_enable" = X"YES" ]; then
echo -n ' IPXrouted'
IPXrouted ${ipxrouted_flags} > /dev/null 2>&1
fi
if [ "X${mrouted_enable}" = X"YES" ]; then
echo -n ' mrouted'; mrouted ${mrouted_flags}
fi
if [ "X$rarpd_enable" = X"YES" ]; then
echo -n ' rarpd'; rarpd ${rarpd_flags}
fi
echo '.'
network_pass1_done=YES # Let future generations know we made it.
}
network_pass2() {
echo -n 'Doing additional network setup:'
if [ "X${named_enable}" = X"YES" ]; then
echo -n ' named'; ${named_program-"named"} ${named_flags}
fi
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if [ "X${ntpdate_enable}" = X"YES" ]; then
echo -n ' ntpdate'; ${ntpdate_program} ${ntpdate_flags} >/dev/null 2>&1
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fi
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if [ "X${xntpd_enable}" = X"YES" ]; then
echo -n ' xntpd'; ${xntpd_program} ${xntpd_flags}
fi
if [ "X${timed_enable}" = X"YES" ]; then
echo -n ' timed'; timed ${timed_flags}
fi
if [ "X${portmap_enable}" = X"YES" ]; then
echo -n ' portmap'; portmap ${portmap_flags}
fi
# Start ypserv if we're an NIS server.
# Run rpc.ypxfrd and rpc.yppasswdd only on the NIS master server.
if [ "X${nis_server_enable}" = X"YES" ]; then
echo -n ' ypserv'; ypserv ${nis_server_flags}
if [ "X${nis_ypxfrd_enable}" = X"YES" ]; then
echo -n ' rpc.ypxfrd'; rpc.ypxfrd ${nis_ypxfrd_flags}
fi
if [ "X${nis_yppasswdd_enable}" = X"YES" ]; then
echo -n ' rpc.yppasswdd'; rpc.yppasswdd ${nis_yppasswdd_flags}
fi
fi
# Start ypbind if we're an NIS client
if [ "X${nis_client_enable}" = X"YES" ]; then
echo -n ' ypbind'; ypbind ${nis_client_flags}
if [ "X${nis_ypset_enable}" = X"YES" ]; then
echo -n ' ypset'; ypset ${nis_ypset_flags}
fi
fi
# Start keyserv if we are running Secure RPC
if [ "X${keyserv_enable}" = X"YES" ]; then
echo -n ' keyserv'; keyserv ${keyserv_flags}
fi
# Start ypupdated if we are running Secure RPC and we are NIS master
if [ "X$rpc_ypupdated_enable" = X"YES" ]; then
echo -n ' rpc.ypupdated'; rpc.ypupdated
fi
echo '.'
network_pass2_done=YES
}
network_pass3() {
echo -n 'Starting final network daemons:'
if [ "X${nfs_server_enable}" = X"YES" -a -r /etc/exports ]; then
echo -n ' mountd'
if [ "X${weak_mountd_authentication}" = X"YES" ]; then
mountd_flags="-n"
fi
mountd ${mountd_flags}
if [ "X${nfs_reserved_port_only}" = X"YES" ]; then
sysctl -w vfs.nfs.nfs_privport=1 >/dev/null 2>&1
fi
echo -n ' nfsd'; nfsd ${nfs_server_flags}
if [ "X$rpc_lockd_enable" = X"YES" ]; then
echo -n ' rpc.lockd'; rpc.lockd
fi
if [ "X$rpc_statd_enable" = X"YES" ]; then
echo -n ' rpc.statd'; rpc.statd
fi
fi
if [ "X${nfs_client_enable}" = X"YES" ]; then
echo -n ' nfsiod'; nfsiod ${nfs_client_flags}
fi
if [ "X${amd_enable}" = X"YES" ]; then
echo -n ' amd'
if [ "X${amd_map_program}" != X"NO" ]; then
amd_flags="${amd_flags} `${amd_map_program}`"
fi
amd -p ${amd_flags} > /var/run/amd.pid 2> /dev/null
fi
if [ "X${rwhod_enable}" = X"YES" ]; then
echo -n ' rwhod'; rwhod
fi
# Kerberos runs ONLY on the Kerberos server machine
if [ "X${kerberos_server_enable}" = X"YES" ]; then
if [ "X${kerberos_stash}" = "XYES" ]; then
stash_flag=-n
else
stash_flag=
fi
echo -n ' kerberos'; \
kerberos ${stash_flags} >> /var/log/kerberos.log &
if [ "X${kadmind_server_enable}" = "XYES" ]; then
echo -n ' kadmind'; \
(sleep 20; kadmind ${stash_flags} >/dev/null 2>&1 &) &
fi
unset stash_flag
fi
# Network Address Translation daemon
if [ "X${natd_enable}" = X"YES" -a X"${natd_interface}" != X"" \
-a X"${firewall_enable}" = X"YES" ]; then
if echo ${natd_interface} | \
grep -q -E '^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$'; then
natd_ifarg="-a ${natd_interface}"
else
natd_ifarg="-n ${natd_interface}"
fi
echo -n ' natd'; natd ${natd_flags} ${natd_ifarg}
fi
echo '.'
network_pass3_done=YES
}