etc/network.subr

   1 #!/bin/sh -
   2 #
   3 #       $Id: rc.network,v 1.37 1999/01/03 22:19:23 jkh Exp $
   4 #       From: @(#)netstart      5.9 (Berkeley) 3/30/91
   5
   6 # Note that almost all the user-configurable behavior is no longer in
   7 # this file, but rather in /etc/rc.conf.  Please check that file
   8 # first before contemplating any changes here.  If you do need to change
   9 # this file for some reason, we would like to know about it.
  10
  11 # First pass startup stuff.
  12
  13 network_pass1() {
  14     echo -n 'Doing initial network setup:'
  15     # Set the host name if it is not already set
  16     if [ -z "`hostname -s`" ] ; then
  17             hostname $hostname
  18             echo -n ' hostname'
  19     fi
  20
  21     # Set the domainname if we're using NIS
  22     if [ -n "$nisdomainname" -a "x$nisdomainname" != "xNO" ] ; then
  23             domainname $nisdomainname
  24             echo -n ' domain'
  25     fi
  26     echo '.'
  27
  28     # Initial ATM interface configuration
  29     if [ "X${atm_enable}" = X"YES" -a -f /etc/rc.atm ]; then
  30             . /etc/rc.atm
  31             atm_pass1
  32     fi
  33
  34     # ISDN subsystem startup
  35     if [ "X${isdn_enable}" = X"YES" -a -f /etc/rc.isdn ]; then
  36             . /etc/rc.isdn
  37     fi
  38
  39     # Set up all the network interfaces, calling startup scripts if needed
  40     for ifn in ${network_interfaces}; do
  41             if [ -e /etc/start_if.${ifn} ]; then
  42                     . /etc/start_if.${ifn}
  43             fi
  44             # Do the primary ifconfig if specified
  45             eval ifconfig_args=\$ifconfig_${ifn}
  46             if [ -n "${ifconfig_args}" ] ; then
  47                     ifconfig ${ifn} ${ifconfig_args}
  48             fi
  49             # Check to see if aliases need to be added
  50             alias=0
  51             while :
  52             do
  53                     eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
  54                     if [ -n "${ifconfig_args}" ]; then
  55                             ifconfig ${ifn} ${ifconfig_args} alias
  56                             alias=`expr ${alias} + 1`
  57                     else
  58                             break;
  59                     fi
  60             done
  61             # Do ipx address if specified
  62             eval ifconfig_args=\$ifconfig_${ifn}_ipx
  63             if [ -n "${ifconfig_args}" ]; then
  64                     ifconfig ${ifn} ${ifconfig_args}
  65             fi
  66             ifconfig ${ifn}
  67     done
  68
  69     # Initialize IP filtering using ipfw
  70     echo ""
  71     /sbin/ipfw -q flush > /dev/null 2>&1
  72     if [ $? = 0 ] ; then
  73         firewall_in_kernel=1
  74     else
  75         firewall_in_kernel=0
  76     fi
  77
  78     if [ $firewall_in_kernel = 0 -a "x$firewall_enable"  = "xYES" ] ; then
  79         if kldload ipfw; then
  80                 firewall_in_kernel=1            # module loaded successfully
  81                 echo "Kernel firewall module loaded."
  82         else
  83                 echo "Warning: firewall kernel module failed to load."
  84         fi
  85     fi
  86
  87     # Load the filters if required
  88     if [ $firewall_in_kernel = 1 ]; then
  89         if [ -n "$firewall_enable" -a -f /etc/rc.firewall -a \
  90                 "x$firewall_enable" = "xYES" ] ; then
  91             . /etc/rc.firewall
  92             echo "Firewall rules loaded."
  93         else
  94             IPFW_DEFAULT=`ipfw l 65535`
  95             if [ "$IPFW_DEFAULT" = "65535 deny ip from any to any" ]; then
  96                 echo -n "Warning: kernel has firewall functionality, "
  97                 echo "but firewall rules are not enabled."
  98                 echo "         All ip services are disabled."
  99             fi
 100         fi
 101     fi
 102
 103     # Additional ATM interface configuration
 104     if [ -n "${atm_pass1_done}" ]; then
 105             atm_pass2
 106     fi
 107
 108     # Configure routing
 109
 110     if [ "x$defaultrouter" != "xNO" ] ; then
 111             static_routes="default ${static_routes}"
 112             route_default="default ${defaultrouter}"
 113     fi
 114
 115     # Set up any static routes.  This should be done before router discovery.
 116     if [ "x${static_routes}" != "x" ]; then
 117             for i in ${static_routes}; do
 118                     eval route_args=\$route_${i}
 119                     route add ${route_args}
 120             done
 121     fi
 122
 123     echo -n 'Additional routing options:'
 124     if [ -n "$tcp_extensions" -a "x$tcp_extensions" != "xYES" ] ; then
 125             echo -n ' tcp extensions=NO'
 126             sysctl -w net.inet.tcp.rfc1323=0 >/dev/null 2>&1
 127     fi
 128
 129     if [ X"$icmp_bmcastecho" = X"YES" ]; then
 130             echo -n ' broadcast ping responses=YES'
 131             sysctl -w net.inet.icmp.bmcastecho=1 >/dev/null 2>&1
 132     fi
 133
 134     if [ "X$gateway_enable" = X"YES" ]; then
 135             echo -n ' IP gateway=YES'
 136             sysctl -w net.inet.ip.forwarding=1 >/dev/null 2>&1
 137     fi
 138
 139     if [ "X$forward_sourceroute" = X"YES" ]; then
 140             echo -n ' do source routing=YES'
 141             sysctl -w net.inet.ip.sourceroute=1 >/dev/null 2>&1
 142     fi
 143
 144     if [ "X$accept_sourceroute" = X"YES" ]; then
 145             echo -n ' accept source routing=YES'
 146             sysctl -w net.inet.ip.accept_sourceroute=1 >/dev/null 2>&1
 147     fi
 148
 149     if [ "X$ipxgateway_enable" = X"YES" ]; then
 150             echo -n ' IPX gateway=YES'
 151             sysctl -w net.ipx.ipx.ipxforwarding=1 >/dev/null 2>&1
 152     fi
 153
 154     if [ "X$arpproxy_all" = X"YES" ]; then
 155             echo -n ' enabling ARP_PROXY_ALL: '
 156             sysctl -w net.link.ether.inet.proxyall=1 2>&1
 157     fi
 158     echo '.'
 159
 160     echo -n 'routing daemons:'
 161     if [ "X$router_enable" = X"YES" ]; then
 162             echo -n " ${router}";       ${router} ${router_flags}
 163     fi
 164
 165     if [ "X$ipxrouted_enable" = X"YES" ]; then
 166             echo -n ' IPXrouted'
 167             IPXrouted ${ipxrouted_flags} > /dev/null 2>&1
 168     fi
 169
 170     if [ "X${mrouted_enable}" = X"YES" ]; then
 171             echo -n ' mrouted'; mrouted ${mrouted_flags}
 172     fi
 173
 174     if [ "X$rarpd_enable" = X"YES" ]; then
 175             echo -n ' rarpd';     rarpd ${rarpd_flags}
 176     fi
 177     echo '.'
 178     network_pass1_done=YES      # Let future generations know we made it.
 179 }
 180
 181 network_pass2() {
 182     echo -n 'Doing additional network setup:'
 183     if [ "X${named_enable}" = X"YES" ]; then
 184             echo -n ' named';           ${named_program-"named"} ${named_flags}
 185     fi
 186
 187     if [ "X${ntpdate_enable}" = X"YES" ]; then
 188             echo -n ' ntpdate'; ${ntpdate_program} ${ntpdate_flags} >/dev/null 2>&1
 189     fi
 190
 191     if [ "X${xntpd_enable}" = X"YES" ]; then
 192             echo -n ' xntpd';   ${xntpd_program} ${xntpd_flags}
 193     fi
 194
 195     if [ "X${timed_enable}" = X"YES" ]; then
 196             echo -n ' timed';           timed ${timed_flags}
 197     fi
 198
 199     if [ "X${portmap_enable}" = X"YES" ]; then
 200             echo -n ' portmap';         portmap ${portmap_flags}
 201     fi
 202
 203     # Start ypserv if we're an NIS server.
 204     # Run rpc.ypxfrd and rpc.yppasswdd only on the NIS master server.
 205     if [ "X${nis_server_enable}" = X"YES" ]; then
 206             echo -n ' ypserv'; ypserv ${nis_server_flags}
 207
 208             if [ "X${nis_ypxfrd_enable}" = X"YES" ]; then
 209                     echo -n ' rpc.ypxfrd'; rpc.ypxfrd ${nis_ypxfrd_flags}
 210             fi
 211
 212             if [ "X${nis_yppasswdd_enable}" = X"YES" ]; then
 213                     echo -n ' rpc.yppasswdd'; rpc.yppasswdd ${nis_yppasswdd_flags}
 214             fi
 215     fi
 216
 217     # Start ypbind if we're an NIS client
 218     if [ "X${nis_client_enable}" = X"YES" ]; then
 219             echo -n ' ypbind'; ypbind ${nis_client_flags}
 220             if [ "X${nis_ypset_enable}" = X"YES" ]; then
 221                     echo -n ' ypset'; ypset ${nis_ypset_flags}
 222             fi
 223     fi
 224
 225     # Start keyserv if we are running Secure RPC
 226     if [ "X${keyserv_enable}" = X"YES" ]; then
 227             echo -n ' keyserv';         keyserv ${keyserv_flags}
 228     fi
 229     # Start ypupdated if we are running Secure RPC and we are NIS master
 230     if [ "X$rpc_ypupdated_enable" = X"YES" ]; then
 231             echo -n ' rpc.ypupdated';   rpc.ypupdated
 232     fi
 233
 234     # Start ATM daemons
 235     if [ -n "${atm_pass2_done}" ]; then
 236             atm_pass3
 237     fi
 238
 239     echo '.'
 240     network_pass2_done=YES
 241 }
 242
 243 network_pass3() {
 244     echo -n 'Starting final network daemons:'
 245
 246     if [ "X${nfs_server_enable}" = X"YES" -a -r /etc/exports ]; then
 247             echo -n ' mountd'
 248             if [ "X${weak_mountd_authentication}" = X"YES" ]; then
 249                     mountd_flags="-n"
 250             fi
 251             mountd ${mountd_flags}
 252             if [ "X${nfs_reserved_port_only}" = X"YES" ]; then
 253                     sysctl -w vfs.nfs.nfs_privport=1 >/dev/null 2>&1
 254             fi
 255             echo -n ' nfsd';            nfsd ${nfs_server_flags}
 256             if [ "X$rpc_lockd_enable" = X"YES" ]; then
 257                 echo -n ' rpc.lockd';           rpc.lockd
 258             fi
 259             if [ "X$rpc_statd_enable" = X"YES" ]; then
 260                 echo -n ' rpc.statd';           rpc.statd
 261             fi
 262     fi
 263
 264     if [ "X${nfs_client_enable}" = X"YES" ]; then
 265             echo -n ' nfsiod';          nfsiod ${nfs_client_flags}
 266             if [ "X${nfs_access_cache}" != X ]; then
 267                 sysctl -w vfs.nfs.access_cache_timeout=${nfs_access_cache} \
 268                         >/dev/null 2>&1
 269             fi
 270     fi
 271
 272     if [ "X${amd_enable}" = X"YES" ]; then
 273             echo -n ' amd'
 274             if [ "X${amd_map_program}" != X"NO" ]; then
 275                 amd_flags="${amd_flags} `eval ${amd_map_program}`"
 276             fi
 277             amd -p ${amd_flags} > /var/run/amd.pid 2> /dev/null
 278     fi
 279
 280     if [ "X${rwhod_enable}" = X"YES" ]; then
 281             echo -n ' rwhod';   rwhod ${rwhod_flags}
 282     fi
 283
 284     # Kerberos runs ONLY on the Kerberos server machine
 285     if [ "X${kerberos_server_enable}" = X"YES" ]; then
 286             if [ "X${kerberos_stash}" = "XYES" ]; then
 287                 stash_flag=-n
 288             else
 289                 stash_flag=
 290             fi
 291             echo -n ' kerberos'; \
 292                 kerberos ${stash_flag} >> /var/log/kerberos.log &
 293             if [ "X${kadmind_server_enable}" = "XYES" ]; then
 294                 echo -n ' kadmind'; \
 295                 (sleep 20; kadmind ${stash_flag} >/dev/null 2>&1 &) &
 296             fi
 297             unset stash_flag
 298     fi
 299
 300     # Network Address Translation daemon
 301        if [ "X${natd_enable}" = X"YES" -a X"${natd_interface}" != X"" \
 302                -a X"${firewall_enable}" = X"YES" ]; then
 303                if echo ${natd_interface} | \
 304                        grep -q -E '^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$'; then
 305                        natd_ifarg="-a ${natd_interface}"
 306                else
 307                        natd_ifarg="-n ${natd_interface}"
 308                fi
 309                echo -n ' natd'; natd ${natd_flags} ${natd_ifarg}
 310        fi
 311
 312     echo '.'
 313     network_pass3_done=YES
 314 }