network.subr revision 101594
1#!/bin/sh -x 2# 3# $FreeBSD: head/etc/network.subr 101594 2002-08-09 17:33:07Z gordon $ 4# 5 6# PROVIDE: network1 7# REQUIRE: atm1 ipfilter mountcritlocal pccard serial sppp sysctl tty 8# KEYWORD: FreeBSD 9 10. /etc/rc.subr 11 12name="network1" 13start_cmd="network_start" 14stop_cmd="network_stop" 15 16convert_host_conf() 17{ 18 host_conf=$1; shift; 19 nsswitch_conf=$1; shift; 20 awk ' \ 21 /^[:blank:]*#/ { next } \ 22 /(hosts|local|file)/ { nsswitch[c] = "files"; c++; next } \ 23 /(dns|bind)/ { nsswitch[c] = "dns"; c++; next } \ 24 /nis/ { nsswitch[c] = "nis"; c++; next } \ 25 { printf "Warning: unrecognized line [%s]", $0 > "/dev/stderr" } \ 26 END { \ 27 printf "hosts: "; \ 28 for (i in nsswitch) printf "%s ", nsswitch[i]; \ 29 printf "\n"; \ 30 }' < $host_conf > $nsswitch_conf 31} 32 33generate_host_conf() 34{ 35 nsswitch_conf=$1; shift; 36 host_conf=$1; shift; 37 38 awk ' 39BEGIN { 40 xlat["files"] = "hosts"; 41 xlat["dns"] = "bind"; 42 xlat["nis"] = "nis"; 43 cont = 0; 44} 45sub(/^[\t ]*hosts:/, "") || cont { 46 if (!cont) 47 srcs = "" 48 sub(/#.*/, "") 49 gsub(/[][]/, " & ") 50 cont = sub(/\\$/, "") 51 srcs = srcs " " $0 52} 53END { 54 print "# Auto-generated from nsswitch.conf, do not edit" 55 ns = split(srcs, s) 56 for (n = 1; n <= ns; ++n) { 57 if (s[n] in xlat) 58 print xlat[s[n]] 59 } 60} 61' <$nsswitch_conf >$host_conf 62} 63 64network_gif_setup() { 65 case ${gif_interfaces} in 66 [Nn][Oo] | '') 67 ;; 68 *) 69 for i in ${gif_interfaces}; do 70 eval peers=\$gifconfig_$i 71 case ${peers} in 72 '') 73 continue 74 ;; 75 *) 76 ifconfig $i create >/dev/null 2>&1 77 ifconfig $i tunnel ${peers} 78 ;; 79 esac 80 done 81 ;; 82 esac 83} 84 85network_start() 86{ 87 # set hostname, turn on network 88 # 89 echo -n "Doing initial network setup:" 90 91 # Generate host.conf for compatibility 92 # 93 if [ -f "/etc/nsswitch.conf" ]; then 94 echo -n ' host.conf' 95 generate_host_conf /etc/nsswitch.conf /etc/host.conf 96 fi 97 98 # Convert host.conf to nsswitch.conf if necessary 99 # 100 if [ -f "/etc/host.conf" -a ! -f "/etc/nsswitch.conf" ]; then 101 echo '' 102 echo 'Warning: /etc/host.conf is no longer used' 103 echo ' /etc/nsswitch.conf will be created for you' 104 convert_host_conf /etc/host.conf /etc/nsswitch.conf 105 fi 106 107 # Set the host name if it is not already set 108 # 109 if [ -z "`hostname -s`" ]; then 110 hostname ${hostname} 111 echo -n ' hostname' 112 fi 113 114 # Set the domainname if we're using NIS 115 # 116 case ${nisdomainname} in 117 [Nn][Oo]|'') 118 ;; 119 *) 120 domainname ${nisdomainname} 121 echo -n ' domain' 122 ;; 123 esac 124 125 echo '.' 126 127 # Attempt to create cloned interfaces. 128 for ifn in ${cloned_interfaces}; do 129 ifconfig ${ifn} create 130 done 131 132 # gifconfig 133 network_gif_setup 134 135 # Set up all the network interfaces, calling startup scripts if needed 136 # 137 case ${network_interfaces} in 138 [Aa][Uu][Tt][Oo]) 139 network_interfaces="`ifconfig -l`" 140 ;; 141 *) 142 network_interfaces="${network_interfaces} ${cloned_interfaces}" 143 ;; 144 esac 145 146 dhcp_interfaces="" 147 for ifn in ${network_interfaces}; do 148 if [ -r /etc/start_if.${ifn} ]; then 149 . /etc/start_if.${ifn} 150 eval showstat_$ifn=1 151 fi 152 153 # Do the primary ifconfig if specified 154 # 155 eval ifconfig_args=\$ifconfig_${ifn} 156 157 case ${ifconfig_args} in 158 '') 159 ;; 160 [Dd][Hh][Cc][Pp]) 161 # DHCP inits are done all in one go below 162 dhcp_interfaces="$dhcp_interfaces $ifn" 163 eval showstat_$ifn=1 164 ;; 165 *) 166 ifconfig ${ifn} ${ifconfig_args} 167 eval showstat_$ifn=1 168 ;; 169 esac 170 done 171 172 if [ ! -z "${dhcp_interfaces}" ]; then 173 ${dhcp_program:-/sbin/dhclient} ${dhcp_flags} ${dhcp_interfaces} 174 fi 175 176 for ifn in ${network_interfaces}; do 177 # Check to see if aliases need to be added 178 # 179 alias=0 180 while : ; do 181 eval ifconfig_args=\$ifconfig_${ifn}_alias${alias} 182 if [ -n "${ifconfig_args}" ]; then 183 ifconfig ${ifn} ${ifconfig_args} alias 184 eval showstat_$ifn=1 185 alias=$((${alias} + 1)) 186 else 187 break; 188 fi 189 done 190 191 # Do ipx address if specified 192 # 193 eval ifconfig_args=\$ifconfig_${ifn}_ipx 194 if [ -n "${ifconfig_args}" ]; then 195 ifconfig ${ifn} ${ifconfig_args} 196 eval showstat_$ifn=1 197 fi 198 done 199 200 # Display ifconfiged interfaces 201 for ifn in ${network_interfaces}; do 202 eval showstat=\$showstat_${ifn} 203 if [ ! -z ${showstat} ]; then 204 ifconfig ${ifn} 205 fi 206 done 207 208 # Resync ipfilter 209 /etc/rc.d/ipfilter resync 210} 211 212network_stop() 213{ 214 echo -n "Stopping network:" 215 216 # flush routes 217 # 218 echo -n " flush routes" 219 route -n flush 220 221 echo '.' 222} 223 224load_rc_config $name 225run_rc_command "$1" 226