8d1b3828fa
reserve, in maximal NFS packets. Originally only 2 packets worth of
space was reserved. The default is now 4, which appears to greatly
improve performance for slow to mid-speed machines on gigabit networks.
Add documentation and correct some prior documentation.
Problem Researched by: Andrew Gallatin <gallatin@cs.duke.edu>
Approved by: jkh
639 lines
12 KiB
Bash
639 lines
12 KiB
Bash
#!/bin/sh -
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#
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# $FreeBSD$
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# From: @(#)netstart 5.9 (Berkeley) 3/30/91
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# Note that almost all of the user-configurable behavior is no longer in
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# this file, but rather in /etc/defaults/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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#
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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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#
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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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#
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case ${nisdomainname} in
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[Nn][Oo] | '')
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;;
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*)
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domainname ${nisdomainname}
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echo -n ' domain'
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;;
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esac
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echo '.'
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# Initial ATM interface configuration
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#
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case ${atm_enable} in
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[Yy][Ee][Ss])
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if [ -r /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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;;
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esac
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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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#
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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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#
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case ${network_interfaces} in
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[Aa][Uu][Tt][Oo])
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network_interfaces="`ifconfig -l`"
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;;
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esac
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dhcp_interfaces=""
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for ifn in ${network_interfaces}; do
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if [ -r /etc/start_if.${ifn} ]; then
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. /etc/start_if.${ifn}
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eval showstat_$ifn=1
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fi
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# Do the primary ifconfig if specified
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#
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eval ifconfig_args=\$ifconfig_${ifn}
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case ${ifconfig_args} in
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'')
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;;
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[Dd][Hh][Cc][Pp])
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# DHCP inits are done all in one go below
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dhcp_interfaces="$dhcp_interfaces $ifn"
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eval showstat_$ifn=1
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;;
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*)
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ifconfig ${ifn} ${ifconfig_args}
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eval showstat_$ifn=1
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;;
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esac
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done
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if [ ! -z "${dhcp_interfaces}" ]; then
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${dhcp_program:-/sbin/dhclient} ${dhcp_flags} ${dhcp_interfaces}
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fi
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for ifn in ${network_interfaces}; do
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# Check to see if aliases need to be added
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#
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alias=0
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while : ; do
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eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
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if [ -n "${ifconfig_args}" ]; then
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ifconfig ${ifn} ${ifconfig_args} alias
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eval showstat_$ifn=1
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alias=`expr ${alias} + 1`
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else
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break;
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fi
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done
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# Do ipx address if specified
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#
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eval ifconfig_args=\$ifconfig_${ifn}_ipx
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if [ -n "${ifconfig_args}" ]; then
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ifconfig ${ifn} ${ifconfig_args}
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eval showstat_$ifn=1
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fi
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done
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for ifn in ${network_interfaces}; do
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eval showstat=\$showstat_${ifn}
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if [ ! -z ${showstat} ]; then
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ifconfig ${ifn}
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fi
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done
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# ISDN subsystem startup
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#
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case ${isdn_enable} in
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[Yy][Ee][Ss])
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if [ -r /etc/rc.isdn ]; then
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. /etc/rc.isdn
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fi
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;;
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esac
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# Warm up user ppp if required, must happen before natd.
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#
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case ${ppp_enable} in
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[Yy][Ee][Ss])
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# Establish ppp mode.
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#
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if [ "${ppp_mode}" != "ddial" -a "${ppp_mode}" != "direct" \
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-a "${ppp_mode}" != "dedicated" \
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-a "${ppp_mode}" != "background" ]; then
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ppp_mode="auto";
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fi
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ppp_command="-${ppp_mode} ";
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# Switch on alias mode?
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#
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case ${ppp_nat} in
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[Yy][Ee][Ss])
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ppp_command="${ppp_command} -nat";
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;;
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esac
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echo -n 'Starting ppp: '; ppp ${ppp_command} -quiet ${ppp_profile}
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;;
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esac
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# Initialize IP filtering using ipfw
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#
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echo ''
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if /sbin/ipfw -q flush > /dev/null 2>&1; 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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case ${firewall_enable} in
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[Yy][Ee][Ss])
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if [ "${firewall_in_kernel}" -eq 0 ] && kldload ipfw; then
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firewall_in_kernel=1
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echo "Kernel firewall module loaded."
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elif [ "${firewall_in_kernel}" -eq 0 ]; then
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echo "Warning: firewall kernel module failed to load."
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fi
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;;
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esac
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# Load the filters if required
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#
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case ${firewall_in_kernel} in
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1)
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if [ -z "${firewall_script}" ]; then
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firewall_script=/etc/rc.firewall
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fi
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case ${firewall_enable} in
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[Yy][Ee][Ss])
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if [ -r "${firewall_script}" ]; then
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. "${firewall_script}"
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echo -n 'Firewall rules loaded, starting divert daemons:'
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# Network Address Translation daemon
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#
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case ${natd_enable} in
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[Yy][Ee][Ss])
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if [ -n "${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:-/sbin/natd} ${natd_flags} ${natd_ifarg}
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fi
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;;
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esac
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echo '.'
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elif [ "`ipfw l 65535`" = "65535 deny ip from any to any" ]; then
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echo -n "Warning: kernel has firewall functionality, "
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echo "but firewall rules are not enabled."
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echo " All ip services are disabled."
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fi
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;;
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esac
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;;
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esac
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# Additional ATM interface configuration
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#
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if [ -n "${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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#
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case ${defaultrouter} in
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[Nn][Oo] | '')
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;;
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*)
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static_routes="default ${static_routes}"
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route_default="default ${defaultrouter}"
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;;
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esac
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# Set up any static routes. This should be done before router discovery.
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#
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if [ -n "${static_routes}" ]; 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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case ${tcp_extensions} in
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[Yy][Ee][Ss] | '')
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;;
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*)
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echo -n ' tcp extensions=NO'
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sysctl -w net.inet.tcp.rfc1323=0 >/dev/null
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;;
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esac
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case ${icmp_bmcastecho} in
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[Yy][Ee][Ss])
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echo -n ' broadcast ping responses=YES'
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sysctl -w net.inet.icmp.bmcastecho=1 >/dev/null
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;;
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esac
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case ${icmp_drop_redirect} in
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[Yy][Ee][Ss])
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echo -n ' ignore ICMP redirect=YES'
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sysctl -w net.inet.icmp.drop_redirect=1 >/dev/null
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;;
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esac
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case ${icmp_log_redirect} in
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[Yy][Ee][Ss])
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echo -n ' log ICMP redirect=YES'
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sysctl -w net.inet.icmp.log_redirect=1 >/dev/null
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;;
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esac
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case ${gateway_enable} in
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[Yy][Ee][Ss])
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echo -n ' IP gateway=YES'
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sysctl -w net.inet.ip.forwarding=1 >/dev/null
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;;
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esac
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case ${forward_sourceroute} in
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[Yy][Ee][Ss])
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echo -n ' do source routing=YES'
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sysctl -w net.inet.ip.sourceroute=1 >/dev/null
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;;
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esac
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case ${accept_sourceroute} in
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[Yy][Ee][Ss])
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echo -n ' accept source routing=YES'
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sysctl -w net.inet.ip.accept_sourceroute=1 >/dev/null
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;;
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esac
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case ${tcp_keepalive} in
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[Yy][Ee][Ss])
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echo -n ' TCP keepalive=YES'
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sysctl -w net.inet.tcp.always_keepalive=1 >/dev/null
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;;
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esac
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case ${tcp_restrict_rst} in
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[Yy][Ee][Ss])
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echo -n ' restrict TCP reset=YES'
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sysctl -w net.inet.tcp.restrict_rst=1 >/dev/null
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;;
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esac
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case ${tcp_drop_synfin} in
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[Yy][Ee][Ss])
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echo -n ' drop SYN+FIN packets=YES'
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sysctl -w net.inet.tcp.drop_synfin=1 >/dev/null
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;;
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esac
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case ${ipxgateway_enable} in
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[Yy][Ee][Ss])
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echo -n ' IPX gateway=YES'
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sysctl -w net.ipx.ipx.ipxforwarding=1 >/dev/null
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;;
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esac
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case ${arpproxy_all} in
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[Yy][Ee][Ss])
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echo -n ' ARP proxyall=YES'
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sysctl -w net.link.ether.inet.proxyall=1 >/dev/null
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;;
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esac
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echo '.'
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echo -n 'routing daemons:'
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case ${router_enable} in
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[Yy][Ee][Ss])
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echo -n " ${router}"; ${router} ${router_flags}
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;;
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esac
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case ${ipxrouted_enable} in
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[Yy][Ee][Ss])
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echo -n ' IPXrouted'
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IPXrouted ${ipxrouted_flags} > /dev/null 2>&1
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;;
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esac
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case ${mrouted_enable} in
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[Yy][Ee][Ss])
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echo -n ' mrouted'; mrouted ${mrouted_flags}
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;;
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esac
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case ${rarpd_enable} in
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[Yy][Ee][Ss])
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echo -n ' rarpd'; rarpd ${rarpd_flags}
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;;
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esac
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echo '.'
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# Let future generations know we made it.
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#
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network_pass1_done=YES
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}
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network_pass2() {
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echo -n 'Doing additional network setup:'
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case ${named_enable} in
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[Yy][Ee][Ss])
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echo -n ' named'; ${named_program:-named} ${named_flags}
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;;
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esac
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case ${ntpdate_enable} in
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[Yy][Ee][Ss])
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echo -n ' ntpdate'
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${ntpdate_program:-ntpdate} ${ntpdate_flags} >/dev/null 2>&1
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;;
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esac
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case ${xntpd_enable} in
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[Yy][Ee][Ss])
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echo -n ' ntpd'; ${xntpd_program:-ntpd} ${xntpd_flags}
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;;
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esac
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case ${timed_enable} in
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[Yy][Ee][Ss])
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echo -n ' timed'; timed ${timed_flags}
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;;
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esac
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case ${portmap_enable} in
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[Yy][Ee][Ss])
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echo -n ' portmap'; ${portmap_program:-/usr/sbin/portmap} ${portmap_flags}
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;;
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esac
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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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#
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case ${nis_server_enable} in
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[Yy][Ee][Ss])
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echo -n ' ypserv'; ypserv ${nis_server_flags}
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case ${nis_ypxfrd_enable} in
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[Yy][Ee][Ss])
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echo -n ' rpc.ypxfrd'
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rpc.ypxfrd ${nis_ypxfrd_flags}
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;;
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esac
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case ${nis_yppasswdd_enable} in
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[Yy][Ee][Ss])
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echo -n ' rpc.yppasswdd'
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rpc.yppasswdd ${nis_yppasswdd_flags}
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;;
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esac
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;;
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esac
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# Start ypbind if we're an NIS client
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#
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case ${nis_client_enable} in
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[Yy][Ee][Ss])
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echo -n ' ypbind'; ypbind ${nis_client_flags}
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case ${nis_ypset_enable} in
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[Yy][Ee][Ss])
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echo -n ' ypset'; ypset ${nis_ypset_flags}
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;;
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esac
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;;
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esac
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# Start keyserv if we are running Secure RPC
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#
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case ${keyserv_enable} in
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[Yy][Ee][Ss])
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echo -n ' keyserv'; keyserv ${keyserv_flags}
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;;
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esac
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# Start ypupdated if we are running Secure RPC and we are NIS master
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#
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case ${rpc_ypupdated_enable} in
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[Yy][Ee][Ss])
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echo -n ' rpc.ypupdated'; rpc.ypupdated
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;;
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esac
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# Start ATM daemons
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if [ -n "${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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case ${nfs_server_enable} in
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[Yy][Ee][Ss])
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if [ -r /etc/exports ]; then
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echo -n ' mountd'
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case ${weak_mountd_authentication} in
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[Yy][Ee][Ss])
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mountd_flags="-n"
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;;
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esac
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mountd ${mountd_flags}
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case ${nfs_reserved_port_only} in
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[Yy][Ee][Ss])
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echo -n ' NFS on reserved port only=YES'
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sysctl -w vfs.nfs.nfs_privport=1 >/dev/null
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;;
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esac
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echo -n ' nfsd'; nfsd ${nfs_server_flags}
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if [ -n "${nfs_bufpackets}" ]; then
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sysctl -w vfs.nfs.bufpackets=${nfs_bufpackets} \
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> /dev/null
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fi
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case ${rpc_lockd_enable} in
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[Yy][Ee][Ss])
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echo -n ' rpc.lockd'; rpc.lockd
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;;
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esac
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case ${rpc_statd_enable} in
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[Yy][Ee][Ss])
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echo -n ' rpc.statd'; rpc.statd
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;;
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esac
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fi
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;;
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*)
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case ${single_mountd_enable} in
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[Yy][Ee][Ss])
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if [ -r /etc/exports ]; then
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echo -n ' mountd'
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case ${weak_mountd_authentication} in
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[Yy][Ee][Ss])
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mountd_flags="-n"
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;;
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esac
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mountd ${mountd_flags}
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fi
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;;
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esac
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;;
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esac
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case ${nfs_client_enable} in
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[Yy][Ee][Ss])
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echo -n ' nfsiod'; nfsiod ${nfs_client_flags}
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if [ -n "${nfs_access_cache}" ]; then
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echo -n " NFS access cache time=${nfs_access_cache}"
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sysctl -w vfs.nfs.access_cache_timeout=${nfs_access_cache} \
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>/dev/null
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fi
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;;
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esac
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# If /var/db/mounttab exists, some nfs-server has not been
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# sucessfully notified about a previous client shutdown.
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# If there is no /var/db/mounttab, we do nothing.
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if [ -f /var/db/mounttab ]; then
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rpc.umntall -k
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fi
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case ${amd_enable} in
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[Yy][Ee][Ss])
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echo -n ' amd'
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case ${amd_map_program} in
|
|
[Nn][Oo] | '')
|
|
;;
|
|
*)
|
|
amd_flags="${amd_flags} `eval ${amd_map_program}`"
|
|
;;
|
|
esac
|
|
|
|
if [ -n "${amd_flags}" ]; then
|
|
amd -p ${amd_flags} > /var/run/amd.pid 2> /dev/null
|
|
else
|
|
amd 2> /dev/null
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
case ${rwhod_enable} in
|
|
[Yy][Ee][Ss])
|
|
echo -n ' rwhod'; rwhod ${rwhod_flags}
|
|
;;
|
|
esac
|
|
|
|
# Kerberos runs ONLY on the Kerberos server machine
|
|
case ${kerberos_server_enable} in
|
|
[Yy][Ee][Ss])
|
|
case ${kerberos_stash} in
|
|
[Yy][Ee][Ss])
|
|
stash_flag=-n
|
|
;;
|
|
*)
|
|
stash_flag=
|
|
;;
|
|
esac
|
|
|
|
echo -n ' kerberos'
|
|
kerberos ${stash_flag} >> /var/log/kerberos.log &
|
|
|
|
case ${kadmind_server_enable} in
|
|
[Yy][Ee][Ss])
|
|
echo -n ' kadmind'
|
|
(sleep 20; kadmind ${stash_flag} >/dev/null 2>&1 &) &
|
|
;;
|
|
esac
|
|
unset stash_flag
|
|
;;
|
|
esac
|
|
|
|
case ${pppoed_enable} in
|
|
[Yy][Ee][Ss])
|
|
if [ -n "${pppoed_provider}" ]; then
|
|
pppoed_flags="${pppoed_flags} -p ${pppoed_provider}"
|
|
fi
|
|
echo -n ' pppoed';
|
|
/usr/libexec/pppoed ${pppoed_flags} ${pppoed_interface}
|
|
;;
|
|
esac
|
|
|
|
case ${sshd_enable} in
|
|
[Yy][Ee][Ss])
|
|
if [ ! -f /etc/ssh/ssh_host_key ]; then
|
|
echo ' creating ssh host key';
|
|
/usr/bin/ssh-keygen -N "" -f /etc/ssh/ssh_host_key
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
echo '.'
|
|
network_pass3_done=YES
|
|
}
|
|
|
|
network_pass4() {
|
|
echo -n 'Additional TCP options:'
|
|
case ${log_in_vain} in
|
|
[Nn][Oo] | '')
|
|
;;
|
|
*)
|
|
echo -n ' log_in_vain=YES'
|
|
sysctl -w net.inet.tcp.log_in_vain=1 >/dev/null
|
|
sysctl -w net.inet.udp.log_in_vain=1 >/dev/null
|
|
;;
|
|
esac
|
|
|
|
echo '.'
|
|
network_pass4_done=YES
|
|
}
|