a780977066
log_in_vain:
log_in_vain turns on logging for packets to ports for which
there is no listener.
rc.sysctl:
A generic way to set sysctl values. It reads /etc/syslog.conf
and sets values based on that. No /etc/syslog.conf has been
checked in yet, and I've not added this to the makefile yet
until I get more feedback.
Reviewed by: -current, -hackers and bde especially
334 lines
9.6 KiB
Bash
334 lines
9.6 KiB
Bash
#!/bin/sh -
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#
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# $Id: rc.network,v 1.41 1999/03/24 10:28:49 brian Exp $
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# From: @(#)netstart 5.9 (Berkeley) 3/30/91
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# Note that almost all the user-configurable behavior is no longer in
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# this file, but rather in /etc/rc.conf. Please check that file
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# first before contemplating any changes here. If you do need to change
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# this file for some reason, we would like to know about it.
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# First pass startup stuff.
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network_pass1() {
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echo -n 'Doing initial network setup:'
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# Set the host name if it is not already set
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if [ -z "`hostname -s`" ] ; then
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hostname $hostname
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echo -n ' hostname'
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fi
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# Set the domainname if we're using NIS
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if [ -n "$nisdomainname" -a "x$nisdomainname" != "xNO" ] ; then
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domainname $nisdomainname
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echo -n ' domain'
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fi
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echo '.'
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# Initial ATM interface configuration
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if [ "X${atm_enable}" = X"YES" -a -f /etc/rc.atm ]; then
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. /etc/rc.atm
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atm_pass1
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fi
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# ISDN subsystem startup
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if [ "X${isdn_enable}" = X"YES" -a -f /etc/rc.isdn ]; then
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. /etc/rc.isdn
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fi
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# Special options for sppp(4) interfaces go here. These need
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# to go _before_ the general ifconfig section, since in the case
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# of hardwired (no link1 flag) but required authentication, you
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# cannot pass auth parameters down to the already running interface.
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for ifn in ${sppp_interfaces}; do
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eval spppcontrol_args=\$spppconfig_${ifn}
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if [ -n "${spppcontrol_args}" ] ; then
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# The auth secrets might contain spaces; in order
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# to retain the quotation, we need to eval them
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# here.
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eval spppcontrol ${ifn} ${spppcontrol_args}
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fi
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done
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# Set up all the network interfaces, calling startup scripts if needed
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for ifn in ${network_interfaces}; do
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if [ -e /etc/start_if.${ifn} ]; then
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. /etc/start_if.${ifn}
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fi
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# Do the primary ifconfig if specified
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eval ifconfig_args=\$ifconfig_${ifn}
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if [ -n "${ifconfig_args}" ] ; then
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ifconfig ${ifn} ${ifconfig_args}
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fi
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# Check to see if aliases need to be added
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alias=0
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while :
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do
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eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
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if [ -n "${ifconfig_args}" ]; then
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ifconfig ${ifn} ${ifconfig_args} alias
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alias=`expr ${alias} + 1`
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else
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break;
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fi
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done
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# Do ipx address if specified
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eval ifconfig_args=\$ifconfig_${ifn}_ipx
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if [ -n "${ifconfig_args}" ]; then
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ifconfig ${ifn} ${ifconfig_args}
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fi
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ifconfig ${ifn}
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done
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# Initialize IP filtering using ipfw
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echo ""
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/sbin/ipfw -q flush > /dev/null 2>&1
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if [ $? = 0 ] ; then
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firewall_in_kernel=1
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else
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firewall_in_kernel=0
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fi
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if [ $firewall_in_kernel = 0 -a "x$firewall_enable" = "xYES" ] ; then
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if kldload ipfw; then
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firewall_in_kernel=1 # module loaded successfully
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echo "Kernel firewall module loaded."
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else
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echo "Warning: firewall kernel module failed to load."
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fi
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fi
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# Load the filters if required
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if [ $firewall_in_kernel = 1 ]; then
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if [ -f /etc/rc.firewall -a X"$firewall_enable" = X"YES" ]; then
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. /etc/rc.firewall
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echo -n 'Firewall rules loaded, starting divert daemons: '
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# Network Address Translation daemon
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if [ X"${natd_enable}" = X"YES" -a -n "${natd_interface}" ]; then
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if echo ${natd_interface} | \
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grep -q -E '^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$'; then
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natd_ifarg="-a ${natd_interface}"
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else
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natd_ifarg="-n ${natd_interface}"
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fi
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echo -n ' natd'; ${natd_program} ${natd_flags} ${natd_ifarg}
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fi
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echo '.'
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else
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IPFW_DEFAULT=`ipfw l 65535`
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if [ "$IPFW_DEFAULT" = "65535 deny ip from any to any" ]; then
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echo -n "Warning: kernel has firewall functionality, "
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echo "but firewall rules are not enabled."
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echo " All ip services are disabled."
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fi
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fi
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fi
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# Additional ATM interface configuration
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if [ -n "${atm_pass1_done}" ]; then
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atm_pass2
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fi
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# Configure routing
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if [ "x$defaultrouter" != "xNO" ] ; then
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static_routes="default ${static_routes}"
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route_default="default ${defaultrouter}"
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fi
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# Set up any static routes. This should be done before router discovery.
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if [ "x${static_routes}" != "x" ]; then
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for i in ${static_routes}; do
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eval route_args=\$route_${i}
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route add ${route_args}
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done
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fi
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echo -n 'Additional routing options:'
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if [ -n "$tcp_extensions" -a "x$tcp_extensions" != "xYES" ] ; then
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echo -n ' tcp extensions=NO'
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sysctl -w net.inet.tcp.rfc1323=0 >/dev/null 2>&1
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fi
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if [ -n "$log_in_vain" -a "x$log_in_vain" != "xNO" ] ; then
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echo -n ' log_in_vain=YES'
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sysctl -w net.inet.tcp.log_in_vain=1 >/dev/null 2>&1
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sysctl -w net.inet.udp.log_in_vain=1 >/dev/null 2>&1
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fi
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if [ X"$icmp_bmcastecho" = X"YES" ]; then
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echo -n ' broadcast ping responses=YES'
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sysctl -w net.inet.icmp.bmcastecho=1 >/dev/null 2>&1
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fi
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if [ "X$gateway_enable" = X"YES" ]; then
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echo -n ' IP gateway=YES'
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sysctl -w net.inet.ip.forwarding=1 >/dev/null 2>&1
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fi
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if [ "X$forward_sourceroute" = X"YES" ]; then
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echo -n ' do source routing=YES'
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sysctl -w net.inet.ip.sourceroute=1 >/dev/null 2>&1
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fi
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if [ "X$accept_sourceroute" = X"YES" ]; then
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echo -n ' accept source routing=YES'
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sysctl -w net.inet.ip.accept_sourceroute=1 >/dev/null 2>&1
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fi
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if [ "X$ipxgateway_enable" = X"YES" ]; then
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echo -n ' IPX gateway=YES'
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sysctl -w net.ipx.ipx.ipxforwarding=1 >/dev/null 2>&1
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fi
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if [ "X$arpproxy_all" = X"YES" ]; then
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echo -n ' enabling ARP_PROXY_ALL: '
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sysctl -w net.link.ether.inet.proxyall=1 2>&1
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fi
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echo '.'
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echo -n 'routing daemons:'
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if [ "X$router_enable" = X"YES" ]; then
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echo -n " ${router}"; ${router} ${router_flags}
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fi
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if [ "X$ipxrouted_enable" = X"YES" ]; then
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echo -n ' IPXrouted'
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IPXrouted ${ipxrouted_flags} > /dev/null 2>&1
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fi
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if [ "X${mrouted_enable}" = X"YES" ]; then
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echo -n ' mrouted'; mrouted ${mrouted_flags}
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fi
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if [ "X$rarpd_enable" = X"YES" ]; then
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echo -n ' rarpd'; rarpd ${rarpd_flags}
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fi
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echo '.'
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network_pass1_done=YES # Let future generations know we made it.
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}
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network_pass2() {
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echo -n 'Doing additional network setup:'
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if [ "X${named_enable}" = X"YES" ]; then
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echo -n ' named'; ${named_program-"named"} ${named_flags}
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fi
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if [ "X${ntpdate_enable}" = X"YES" ]; then
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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
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echo -n ' xntpd'; ${xntpd_program} ${xntpd_flags}
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fi
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if [ "X${timed_enable}" = X"YES" ]; then
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echo -n ' timed'; timed ${timed_flags}
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fi
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if [ "X${portmap_enable}" = X"YES" ]; then
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echo -n ' portmap'; ${portmap_program} ${portmap_flags}
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fi
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# Start ypserv if we're an NIS server.
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# Run rpc.ypxfrd and rpc.yppasswdd only on the NIS master server.
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if [ "X${nis_server_enable}" = X"YES" ]; then
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echo -n ' ypserv'; ypserv ${nis_server_flags}
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if [ "X${nis_ypxfrd_enable}" = X"YES" ]; then
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echo -n ' rpc.ypxfrd'; rpc.ypxfrd ${nis_ypxfrd_flags}
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fi
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if [ "X${nis_yppasswdd_enable}" = X"YES" ]; then
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echo -n ' rpc.yppasswdd'; rpc.yppasswdd ${nis_yppasswdd_flags}
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fi
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fi
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# Start ypbind if we're an NIS client
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if [ "X${nis_client_enable}" = X"YES" ]; then
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echo -n ' ypbind'; ypbind ${nis_client_flags}
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if [ "X${nis_ypset_enable}" = X"YES" ]; then
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echo -n ' ypset'; ypset ${nis_ypset_flags}
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fi
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fi
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# Start keyserv if we are running Secure RPC
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if [ "X${keyserv_enable}" = X"YES" ]; then
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echo -n ' keyserv'; keyserv ${keyserv_flags}
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fi
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# Start ypupdated if we are running Secure RPC and we are NIS master
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if [ "X$rpc_ypupdated_enable" = X"YES" ]; then
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echo -n ' rpc.ypupdated'; rpc.ypupdated
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fi
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# Start ATM daemons
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if [ -n "${atm_pass2_done}" ]; then
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atm_pass3
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fi
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echo '.'
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network_pass2_done=YES
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}
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network_pass3() {
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echo -n 'Starting final network daemons:'
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if [ "X${nfs_server_enable}" = X"YES" -a -r /etc/exports ]; then
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echo -n ' mountd'
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if [ "X${weak_mountd_authentication}" = X"YES" ]; then
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mountd_flags="-n"
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fi
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mountd ${mountd_flags}
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if [ "X${nfs_reserved_port_only}" = X"YES" ]; then
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sysctl -w vfs.nfs.nfs_privport=1 >/dev/null 2>&1
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fi
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echo -n ' nfsd'; nfsd ${nfs_server_flags}
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if [ "X$rpc_lockd_enable" = X"YES" ]; then
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echo -n ' rpc.lockd'; rpc.lockd
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fi
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if [ "X$rpc_statd_enable" = X"YES" ]; then
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echo -n ' rpc.statd'; rpc.statd
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fi
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fi
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if [ "X${nfs_client_enable}" = X"YES" ]; then
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echo -n ' nfsiod'; nfsiod ${nfs_client_flags}
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if [ "X${nfs_access_cache}" != X ]; then
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sysctl -w vfs.nfs.access_cache_timeout=${nfs_access_cache} \
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>/dev/null 2>&1
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fi
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fi
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if [ "X${amd_enable}" = X"YES" ]; then
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echo -n ' amd'
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if [ "X${amd_map_program}" != X"NO" ]; then
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amd_flags="${amd_flags} `eval ${amd_map_program}`"
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fi
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amd -p ${amd_flags} > /var/run/amd.pid 2> /dev/null
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fi
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if [ "X${rwhod_enable}" = X"YES" ]; then
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echo -n ' rwhod'; rwhod ${rwhod_flags}
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fi
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# Kerberos runs ONLY on the Kerberos server machine
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if [ "X${kerberos_server_enable}" = X"YES" ]; then
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if [ "X${kerberos_stash}" = "XYES" ]; then
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stash_flag=-n
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else
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stash_flag=
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fi
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echo -n ' kerberos'; \
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kerberos ${stash_flag} >> /var/log/kerberos.log &
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if [ "X${kadmind_server_enable}" = "XYES" ]; then
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echo -n ' kadmind'; \
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(sleep 20; kadmind ${stash_flag} >/dev/null 2>&1 &) &
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fi
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unset stash_flag
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fi
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echo '.'
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network_pass3_done=YES
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}
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