etc/network.subr

   1 #!/bin/sh -
   2 #
   3 # Copyright (c) 1993  The FreeBSD Project
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 # 1. Redistributions of source code must retain the above copyright
  10 #    notice, this list of conditions and the following disclaimer.
  11 # 2. Redistributions in binary form must reproduce the above copyright
  12 #    notice, this list of conditions and the following disclaimer in the
  13 #    documentation and/or other materials provided with the distribution.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25 # SUCH DAMAGE.
  26 #
  27 # $FreeBSD$
  28 #       From: @(#)netstart      5.9 (Berkeley) 3/30/91
  29 #
  30
  31 # Note that almost all of the user-configurable behavior is no longer in
  32 # this file, but rather in /etc/defaults/rc.conf.  Please check that file
  33 # first before contemplating any changes here.  If you do need to change
  34 # this file for some reason, we would like to know about it.
  35
  36 # First pass startup stuff.
  37 #
  38 network_pass1() {
  39         echo -n 'Doing initial network setup:'
  40
  41         # Convert host.conf to nsswitch.conf if necessary
  42         if [ -f "/etc/host.conf" ]; then
  43                 echo ''
  44                 echo 'Warning: /etc/host.conf is no longer used'
  45                 if [ -f "/etc/nsswitch.conf" ]; then
  46                     echo '  /etc/nsswitch.conf will be used instead'
  47                 else
  48                     echo '  /etc/nsswitch.conf will be created for you'
  49                     convert_host_conf /etc/host.conf /etc/nsswitch.conf
  50                 fi
  51         fi
  52
  53         # Set the host name if it is not already set
  54         #
  55         if [ -z "`hostname -s`" ]; then
  56                 hostname ${hostname}
  57                 echo -n ' hostname'
  58         fi
  59
  60         # Establish ipfilter ruleset as early as possible (best in
  61         # addition to IPFILTER_DEFAULT_BLOCK in the kernel config file)
  62         #
  63         if /sbin/ipfstat -i > /dev/null 2>&1; then
  64                 ipfilter_in_kernel=1
  65         else
  66                 ipfilter_in_kernel=0
  67         fi
  68
  69         case "${ipfilter_enable}" in
  70         [Yy][Ee][Ss])
  71                 if [ "${ipfilter_in_kernel}" -eq 0 ] && kldload ipl; then
  72                         ipfilter_in_kernel=1
  73                         echo "Kernel ipfilter module loaded."
  74                 elif [ "${ipfilter_in_kernel}" -eq 0 ]; then
  75                         echo "Warning: ipfilter kernel module failed to load."
  76                 fi
  77
  78                 if [ -r "${ipfilter_rules}" ]; then
  79                         echo -n ' ipfilter';
  80                         ${ipfilter_program:-/sbin/ipf -Fa -f} \
  81                             "${ipfilter_rules}" ${ipfilter_flags}
  82                         case "${ipmon_enable}" in
  83                         [Yy][Ee][Ss])
  84                                 echo -n ' ipmon'
  85                                 ${ipmon_program:-/sbin/ipmon} ${ipmon_flags}
  86                                 ;;
  87                         esac
  88                         case "${ipnat_enable}" in
  89                         [Yy][Ee][Ss])
  90                                 if [ -r "${ipnat_rules}" ]; then
  91                                         echo -n ' ipnat';
  92                                 eval ${ipnat_program:-/sbin/ipnat -CF -f} \
  93                                         "${ipnat_rules}" ${ipnat_flags}
  94                                 else
  95                                         echo -n ' NO IPNAT RULES'
  96                                 fi
  97                                 ;;
  98                         esac
  99                 else
 100                         ipfilter_enable="NO"
 101                         echo -n ' NO IPF RULES'
 102                 fi
 103                 ;;
 104         esac
 105
 106         # Set the domainname if we're using NIS
 107         #
 108         case ${nisdomainname} in
 109         [Nn][Oo] | '')
 110                 ;;
 111         *)
 112                 domainname ${nisdomainname}
 113                 echo -n ' domain'
 114                 ;;
 115         esac
 116
 117         echo '.'
 118
 119         # Initial ATM interface configuration
 120         #
 121         case ${atm_enable} in
 122         [Yy][Ee][Ss])
 123                 if [ -r /etc/rc.atm ]; then
 124                         . /etc/rc.atm
 125                         atm_pass1
 126                 fi
 127                 ;;
 128         esac
 129
 130         # Special options for sppp(4) interfaces go here.  These need
 131         # to go _before_ the general ifconfig section, since in the case
 132         # of hardwired (no link1 flag) but required authentication, you
 133         # cannot pass auth parameters down to the already running interface.
 134         #
 135         for ifn in ${sppp_interfaces}; do
 136                 eval spppcontrol_args=\$spppconfig_${ifn}
 137                 if [ -n "${spppcontrol_args}" ]; then
 138                         # The auth secrets might contain spaces; in order
 139                         # to retain the quotation, we need to eval them
 140                         # here.
 141                         eval spppcontrol ${ifn} ${spppcontrol_args}
 142                 fi
 143         done
 144
 145         # gifconfig
 146         network_gif_setup
 147
 148         # Set up all the network interfaces, calling startup scripts if needed
 149         #
 150         case ${network_interfaces} in
 151         [Aa][Uu][Tt][Oo])
 152                 network_interfaces="`ifconfig -l`"
 153                 ;;
 154         esac
 155
 156         dhcp_interfaces=""
 157         for ifn in ${network_interfaces}; do
 158                 if [ -r /etc/start_if.${ifn} ]; then
 159                         . /etc/start_if.${ifn}
 160                         eval showstat_$ifn=1
 161                 fi
 162
 163                 # Do the primary ifconfig if specified
 164                 #
 165                 eval ifconfig_args=\$ifconfig_${ifn}
 166
 167                 case ${ifconfig_args} in
 168                 '')
 169                         ;;
 170                 [Dd][Hh][Cc][Pp])
 171                         # DHCP inits are done all in one go below
 172                         dhcp_interfaces="$dhcp_interfaces $ifn"
 173                         eval showstat_$ifn=1
 174                         ;;
 175                 *)
 176                         ifconfig ${ifn} ${ifconfig_args}
 177                         eval showstat_$ifn=1
 178                         ;;
 179                 esac
 180         done
 181
 182         if [ ! -z "${dhcp_interfaces}" ]; then
 183                 ${dhcp_program:-/sbin/dhclient} ${dhcp_flags} ${dhcp_interfaces}
 184         fi
 185
 186         for ifn in ${network_interfaces}; do
 187                 # Check to see if aliases need to be added
 188                 #
 189                 alias=0
 190                 while : ; do
 191                         eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
 192                         if [ -n "${ifconfig_args}" ]; then
 193                                 ifconfig ${ifn} ${ifconfig_args} alias
 194                                 eval showstat_$ifn=1
 195                                 alias=`expr ${alias} + 1`
 196                         else
 197                                 break;
 198                         fi
 199                 done
 200
 201                 # Do ipx address if specified
 202                 #
 203                 eval ifconfig_args=\$ifconfig_${ifn}_ipx
 204                 if [ -n "${ifconfig_args}" ]; then
 205                         ifconfig ${ifn} ${ifconfig_args}
 206                         eval showstat_$ifn=1
 207                 fi
 208         done
 209
 210         for ifn in ${network_interfaces}; do
 211                 eval showstat=\$showstat_${ifn}
 212                 if [ ! -z ${showstat} ]; then
 213                         ifconfig ${ifn}
 214                 fi
 215         done
 216
 217         # ISDN subsystem startup
 218         #
 219         case ${isdn_enable} in
 220         [Yy][Ee][Ss])
 221                 if [ -r /etc/rc.isdn ]; then
 222                         . /etc/rc.isdn
 223                 fi
 224                 ;;
 225         esac
 226
 227         # Start user ppp if required.  This must happen before natd.
 228         #
 229         case ${ppp_enable} in
 230         [Yy][Ee][Ss])
 231                 # Establish ppp mode.
 232                 #
 233                 if [ "${ppp_mode}" != "ddial" -a "${ppp_mode}" != "direct" \
 234                         -a "${ppp_mode}" != "dedicated" \
 235                         -a "${ppp_mode}" != "background" ]; then
 236                         ppp_mode="auto"
 237                 fi
 238
 239                 ppp_command="/usr/sbin/ppp -quiet -${ppp_mode}"
 240
 241                 # Switch on NAT mode?
 242                 #
 243                 case ${ppp_nat} in
 244                 [Yy][Ee][Ss])
 245                         ppp_command="${ppp_command} -nat"
 246                         ;;
 247                 esac
 248
 249                 ppp_command="${ppp_command} ${ppp_profile}"
 250
 251                 echo "Starting ppp as \"${ppp_user}\""
 252                 su -m ${ppp_user} -c "exec ${ppp_command}"
 253                 ;;
 254         esac
 255
 256         # Initialize IP filtering using ipfw
 257         #
 258         if /sbin/ipfw -q flush > /dev/null 2>&1; then
 259                 firewall_in_kernel=1
 260         else
 261                 firewall_in_kernel=0
 262         fi
 263
 264         case ${firewall_enable} in
 265         [Yy][Ee][Ss])
 266                 if [ "${firewall_in_kernel}" -eq 0 ] && kldload ipfw; then
 267                         firewall_in_kernel=1
 268                         echo 'Kernel firewall module loaded'
 269                 elif [ "${firewall_in_kernel}" -eq 0 ]; then
 270                         echo 'Warning: firewall kernel module failed to load'
 271                 fi
 272                 ;;
 273         esac
 274
 275         # Load the filters if required
 276         #
 277         case ${firewall_in_kernel} in
 278         1)
 279                 if [ -z "${firewall_script}" ]; then
 280                         firewall_script=/etc/rc.firewall
 281                 fi
 282
 283                 case ${firewall_enable} in
 284                 [Yy][Ee][Ss])
 285                         if [ -r "${firewall_script}" ]; then
 286                                 . "${firewall_script}"
 287                                 echo -n 'Firewall rules loaded, starting divert daemons:'
 288
 289                                 # Network Address Translation daemon
 290                                 #
 291                                 case ${natd_enable} in
 292                                 [Yy][Ee][Ss])
 293                                         if [ -n "${natd_interface}" ]; then
 294                                                 if echo ${natd_interface} | \
 295                                                         grep -q -E '^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$'; then
 296                                                         natd_ifarg="-a ${natd_interface}"
 297                                                 else
 298                                                         natd_ifarg="-n ${natd_interface}"
 299                                                 fi
 300
 301                                                 echo -n ' natd'; ${natd_program:-/sbin/natd} ${natd_flags} ${natd_ifarg}
 302                                         fi
 303                                         ;;
 304                                 esac
 305
 306                                 echo '.'
 307
 308                         elif [ "`ipfw l 65535`" = "65535 deny ip from any to any" ]; then
 309                                 echo 'Warning: kernel has firewall functionality,' \
 310                                      'but firewall rules are not enabled.'
 311                                 echo '           All ip services are disabled.'
 312                         fi
 313
 314                         case ${firewall_logging} in
 315                         [Yy][Ee][Ss] | '')
 316                                 echo 'Firewall logging=YES'
 317                                 sysctl -w net.inet.ip.fw.verbose=1 >/dev/null
 318                                 ;;
 319                         *)
 320                                 ;;
 321                         esac
 322
 323                         ;;
 324                 esac
 325                 ;;
 326         esac
 327
 328         # Additional ATM interface configuration
 329         #
 330         if [ -n "${atm_pass1_done}" ]; then
 331                 atm_pass2
 332         fi
 333
 334         # Configure routing
 335         #
 336         case ${defaultrouter} in
 337         [Nn][Oo] | '')
 338                 ;;
 339         *)
 340                 static_routes="default ${static_routes}"
 341                 route_default="default ${defaultrouter}"
 342                 ;;
 343         esac
 344
 345         # Set up any static routes.  This should be done before router discovery.
 346         #
 347         if [ -n "${static_routes}" ]; then
 348                 for i in ${static_routes}; do
 349                         eval route_args=\$route_${i}
 350                         route add ${route_args}
 351                 done
 352         fi
 353
 354         echo -n 'Additional routing options:'
 355         case ${tcp_extensions} in
 356         [Yy][Ee][Ss] | '')
 357                 ;;
 358         *)
 359                 echo -n ' tcp extensions=NO'
 360                 sysctl -w net.inet.tcp.rfc1323=0 >/dev/null
 361                 ;;
 362         esac
 363
 364         case ${icmp_bmcastecho} in
 365         [Yy][Ee][Ss])
 366                 echo -n ' broadcast ping responses=YES'
 367                 sysctl -w net.inet.icmp.bmcastecho=1 >/dev/null
 368                 ;;
 369         esac
 370
 371         case ${icmp_drop_redirect} in
 372         [Yy][Ee][Ss])
 373                 echo -n ' ignore ICMP redirect=YES'
 374                 sysctl -w net.inet.icmp.drop_redirect=1 >/dev/null
 375                 ;;
 376         esac
 377
 378         case ${icmp_log_redirect} in
 379         [Yy][Ee][Ss])
 380                 echo -n ' log ICMP redirect=YES'
 381                 sysctl -w net.inet.icmp.log_redirect=1 >/dev/null
 382                 ;;
 383         esac
 384
 385         case ${gateway_enable} in
 386         [Yy][Ee][Ss])
 387                 echo -n ' IP gateway=YES'
 388                 sysctl -w net.inet.ip.forwarding=1 >/dev/null
 389                 ;;
 390         esac
 391
 392         case ${forward_sourceroute} in
 393         [Yy][Ee][Ss])
 394                 echo -n ' do source routing=YES'
 395                 sysctl -w net.inet.ip.sourceroute=1 >/dev/null
 396                 ;;
 397         esac
 398
 399         case ${accept_sourceroute} in
 400         [Yy][Ee][Ss])
 401                 echo -n ' accept source routing=YES'
 402                 sysctl -w net.inet.ip.accept_sourceroute=1 >/dev/null
 403                 ;;
 404         esac
 405
 406         case ${tcp_keepalive} in
 407         [Yy][Ee][Ss])
 408                 echo -n ' TCP keepalive=YES'
 409                 sysctl -w net.inet.tcp.always_keepalive=1 >/dev/null
 410                 ;;
 411         esac
 412
 413         case ${tcp_drop_synfin} in
 414         [Yy][Ee][Ss])
 415                 echo -n ' drop SYN+FIN packets=YES'
 416                 sysctl -w net.inet.tcp.drop_synfin=1 >/dev/null
 417                 ;;
 418         esac
 419
 420         case ${ipxgateway_enable} in
 421         [Yy][Ee][Ss])
 422                 echo -n ' IPX gateway=YES'
 423                 sysctl -w net.ipx.ipx.ipxforwarding=1 >/dev/null
 424                 ;;
 425         esac
 426
 427         case ${arpproxy_all} in
 428         [Yy][Ee][Ss])
 429                 echo -n ' ARP proxyall=YES'
 430                 sysctl -w net.link.ether.inet.proxyall=1 >/dev/null
 431                 ;;
 432         esac
 433
 434         case ${ip_portrange_first} in
 435         [Nn][Oo] | '')
 436                 ;;
 437         *)
 438                 echo -n " ip_portrange_first=$ip_portrange_first"
 439                 sysctl -w net.inet.ip.portrange.first=$ip_portrange_first >/dev/null
 440                 ;;
 441         esac
 442
 443         case ${ip_portrange_last} in
 444         [Nn][Oo] | '')
 445                 ;;
 446         *)
 447                 echo -n " ip_portrange_last=$ip_portrange_last"
 448                 sysctl -w net.inet.ip.portrange.last=$ip_portrange_last >/dev/null
 449                 ;;
 450         esac
 451
 452         echo '.'
 453
 454         case ${ipsec_enable} in
 455         [Yy][Ee][Ss])
 456                 if [ -f ${ipsec_file} ]; then
 457                     echo ' ipsec: enabled'
 458                     setkey -f ${ipsec_file}
 459                 else
 460                     echo ' ipsec: file not found'
 461                 fi
 462                 ;;
 463         esac
 464
 465         echo -n 'Routing daemons:'
 466         case ${router_enable} in
 467         [Yy][Ee][Ss])
 468                 echo -n " ${router}";   ${router} ${router_flags}
 469                 ;;
 470         esac
 471
 472         case ${ipxrouted_enable} in
 473         [Yy][Ee][Ss])
 474                 echo -n ' IPXrouted'
 475                 IPXrouted ${ipxrouted_flags} > /dev/null 2>&1
 476                 ;;
 477         esac
 478
 479         case ${mrouted_enable} in
 480         [Yy][Ee][Ss])
 481                 echo -n ' mrouted';     mrouted ${mrouted_flags}
 482                 ;;
 483         esac
 484
 485         case ${rarpd_enable} in
 486         [Yy][Ee][Ss])
 487                 echo -n ' rarpd';       rarpd ${rarpd_flags}
 488                 ;;
 489         esac
 490         echo '.'
 491
 492         # Let future generations know we made it.
 493         #
 494         network_pass1_done=YES
 495 }
 496
 497 network_pass2() {
 498         echo -n 'Doing additional network setup:'
 499         case ${named_enable} in
 500         [Yy][Ee][Ss])
 501                 echo -n ' named';       ${named_program:-named} ${named_flags}
 502                 ;;
 503         esac
 504
 505         case ${ntpdate_enable} in
 506         [Yy][Ee][Ss])
 507                 echo -n ' ntpdate'
 508                 ${ntpdate_program:-ntpdate} ${ntpdate_flags} >/dev/null 2>&1
 509                 ;;
 510         esac
 511
 512         case ${xntpd_enable} in
 513         [Yy][Ee][Ss])
 514                 echo -n ' ntpd';        ${xntpd_program:-ntpd} ${xntpd_flags}
 515                 ;;
 516         esac
 517
 518         case ${timed_enable} in
 519         [Yy][Ee][Ss])
 520                 echo -n ' timed';       timed ${timed_flags}
 521                 ;;
 522         esac
 523
 524         case ${portmap_enable} in
 525         [Yy][Ee][Ss])
 526                 echo -n ' rpcbind';     ${portmap_program:-/usr/sbin/rpcbind} \
 527                         ${portmap_flags}
 528
 529                 # Start ypserv if we're an NIS server.
 530                 # Run rpc.ypxfrd and rpc.yppasswdd only on the NIS master server.
 531                 #
 532                 case ${nis_server_enable} in
 533                 [Yy][Ee][Ss])
 534                         echo -n ' ypserv'; ypserv ${nis_server_flags}
 535
 536                         case ${nis_ypxfrd_enable} in
 537                         [Yy][Ee][Ss])
 538                                 echo -n ' rpc.ypxfrd'
 539                                 rpc.ypxfrd ${nis_ypxfrd_flags}
 540                                 ;;
 541                         esac
 542
 543                         case ${nis_yppasswdd_enable} in
 544                         [Yy][Ee][Ss])
 545                                 echo -n ' rpc.yppasswdd'
 546                                 rpc.yppasswdd ${nis_yppasswdd_flags}
 547                                 ;;
 548                         esac
 549                         ;;
 550                 esac
 551
 552                 # Start ypbind if we're an NIS client
 553                 #
 554                 case ${nis_client_enable} in
 555                 [Yy][Ee][Ss])
 556                         echo -n ' ypbind'; ypbind ${nis_client_flags}
 557                         case ${nis_ypset_enable} in
 558                         [Yy][Ee][Ss])
 559                                 echo -n ' ypset';       ypset ${nis_ypset_flags}
 560                                 ;;
 561                         esac
 562                         ;;
 563                 esac
 564
 565                 # Start keyserv if we are running Secure RPC
 566                 #
 567                 case ${keyserv_enable} in
 568                 [Yy][Ee][Ss])
 569                         echo -n ' keyserv';     keyserv ${keyserv_flags}
 570                         ;;
 571                 esac
 572
 573                 # Start ypupdated if we are running Secure RPC
 574                 # and we are NIS master
 575                 #
 576                 case ${rpc_ypupdated_enable} in
 577                 [Yy][Ee][Ss])
 578                         echo -n ' rpc.ypupdated';       rpc.ypupdated
 579                         ;;
 580                 esac
 581                 ;;
 582         esac
 583
 584         # Start ATM daemons
 585         if [ -n "${atm_pass2_done}" ]; then
 586                 atm_pass3
 587         fi
 588
 589         echo '.'
 590         network_pass2_done=YES
 591 }
 592
 593 network_pass3() {
 594         echo -n 'Starting final network daemons:'
 595
 596         case ${portmap_enable} in
 597         [Yy][Ee][Ss])
 598                 case ${nfs_server_enable} in
 599                 [Yy][Ee][Ss])
 600                         if [ -r /etc/exports ]; then
 601                                 echo -n ' mountd'
 602
 603                                 case ${weak_mountd_authentication} in
 604                                 [Yy][Ee][Ss])
 605                                         mountd_flags="${mountd_flags} -n"
 606                                         ;;
 607                                 esac
 608
 609                                 mountd ${mountd_flags}
 610
 611                                 case ${nfs_reserved_port_only} in
 612                                 [Yy][Ee][Ss])
 613                                         echo -n ' NFS on reserved port only=YES'
 614                                         sysctl -w vfs.nfs.nfs_privport=1 > /dev/null
 615                                         ;;
 616                                 esac
 617
 618                                 echo -n ' nfsd';        nfsd ${nfs_server_flags}
 619
 620                                 if [ -n "${nfs_bufpackets}" ]; then
 621                                         sysctl -w vfs.nfs.bufpackets=${nfs_bufpackets} > /dev/null
 622                                 fi
 623
 624                                 case ${rpc_lockd_enable} in
 625                                 [Yy][Ee][Ss])
 626                                         echo -n ' rpc.lockd';   rpc.lockd
 627                                         ;;
 628                                 esac
 629
 630                                 case ${rpc_statd_enable} in
 631                                 [Yy][Ee][Ss])
 632                                         echo -n ' rpc.statd';   rpc.statd
 633                                         ;;
 634                                 esac
 635                         fi
 636                         ;;
 637                 *)
 638                         case ${single_mountd_enable} in
 639                         [Yy][Ee][Ss])
 640                                 if [ -r /etc/exports ]; then
 641                                         echo -n ' mountd'
 642
 643                                         case ${weak_mountd_authentication} in
 644                                         [Yy][Ee][Ss])
 645                                                 mountd_flags="-n"
 646                                                 ;;
 647                                         esac
 648
 649                                         mountd ${mountd_flags}
 650                                 fi
 651                                 ;;
 652                         esac
 653                         ;;
 654                 esac
 655
 656                 case ${nfs_client_enable} in
 657                 [Yy][Ee][Ss])
 658                         echo -n ' nfsiod';      nfsiod ${nfs_client_flags}
 659                                 if [ -n "${nfs_access_cache}" ]; then
 660                         echo -n " NFS access cache time=${nfs_access_cache}"
 661                         sysctl -w vfs.nfs.access_cache_timeout=${nfs_access_cache} >/dev/null
 662                         fi
 663                         ;;
 664                 esac
 665
 666                 # If /var/db/mounttab exists, some nfs-server has not been
 667                 # sucessfully notified about a previous client shutdown.
 668                 # If there is no /var/db/mounttab, we do nothing.
 669                 if [ -f /var/db/mounttab ]; then
 670                         rpc.umntall -k
 671                 fi
 672
 673                 case ${amd_enable} in
 674                 [Yy][Ee][Ss])
 675                         echo -n ' amd'
 676                         case ${amd_map_program} in
 677                         [Nn][Oo] | '')
 678                                 ;;
 679                         *)
 680                                 amd_flags="${amd_flags} `eval\
 681                                         ${amd_map_program}`"
 682                                 ;;
 683                         esac
 684
 685                         if [ -n "${amd_flags}" ]; then
 686                                 amd -p ${amd_flags}\
 687                                         > /var/run/amd.pid 2> /dev/null
 688                         else
 689                                 amd 2> /dev/null
 690                         fi
 691                         ;;
 692                 esac
 693                 ;;
 694         esac
 695
 696         case ${rwhod_enable} in
 697         [Yy][Ee][Ss])
 698                 echo -n ' rwhod';       rwhod ${rwhod_flags}
 699                 ;;
 700         esac
 701
 702         # Kerberos servers run ONLY on the Kerberos server machine
 703         case ${kerberos4_server_enable} in
 704         [Yy][Ee][Ss])
 705                 case ${kerberos_stash} in
 706                 [Yy][Ee][Ss])
 707                         stash=-n
 708                         ;;
 709                 *)
 710                         stash=
 711                         ;;
 712                 esac
 713
 714                 echo -n ' kerberosIV'
 715                 ${kerberos4_server} ${stash} >> /var/log/kerberos.log &
 716
 717                 case ${kadmind4_server_enable} in
 718                 [Yy][Ee][Ss])
 719                         echo -n ' kadmindIV'
 720                         (
 721                                 sleep 20;
 722                                 ${kadmind4_server} ${stash} >/dev/null 2>&1 &
 723                         ) &
 724                         ;;
 725                 esac
 726                 unset stash_flag
 727                 ;;
 728         esac
 729
 730         case ${kerberos5_server_enable} in
 731         [Yy][Ee][Ss])
 732                 echo -n ' kerberos5'
 733                 ${kerberos5_server} &
 734
 735                 case ${kadmind5_server_enable} in
 736                 [Yy][Ee][Ss])
 737                         echo -n ' kadmind5'
 738                         ${kadmind5_server} &
 739                         ;;
 740                 esac
 741                 ;;
 742         esac
 743
 744         case ${pppoed_enable} in
 745         [Yy][Ee][Ss])
 746                 if [ -n "${pppoed_provider}" ]; then
 747                         pppoed_flags="${pppoed_flags} -p ${pppoed_provider}"
 748                 fi
 749                 echo -n ' pppoed';
 750                 /usr/libexec/pppoed ${pppoed_flags} ${pppoed_interface}
 751                 ;;
 752         esac
 753
 754         case ${sshd_enable} in
 755         [Yy][Ee][Ss])
 756                 if [ ! -f /etc/ssh/ssh_host_key ]; then
 757                         echo ' creating ssh RSA host key';
 758                         /usr/bin/ssh-keygen -N "" -f /etc/ssh/ssh_host_key
 759                 fi
 760                 if [ ! -f /etc/ssh/ssh_host_dsa_key ]; then
 761                         echo ' creating ssh DSA host key';
 762                         /usr/bin/ssh-keygen -d -N "" -f /etc/ssh/ssh_host_dsa_key
 763                 fi
 764                 ;;
 765         esac
 766
 767         echo '.'
 768         network_pass3_done=YES
 769 }
 770
 771 network_pass4() {
 772         echo -n 'Additional TCP options:'
 773         case ${log_in_vain} in
 774         [Nn][Oo] | '')
 775                 ;;
 776         *)
 777                 echo -n ' log_in_vain=YES'
 778                 sysctl -w net.inet.tcp.log_in_vain=1 >/dev/null
 779                 sysctl -w net.inet.udp.log_in_vain=1 >/dev/null
 780                 ;;
 781         esac
 782
 783         echo '.'
 784         network_pass4_done=YES
 785 }
 786
 787 network_gif_setup() {
 788         case ${gif_interfaces} in
 789         [Nn][Oo] | '')
 790                 ;;
 791         *)
 792                 for i in ${gif_interfaces}; do
 793                         eval peers=\$gifconfig_$i
 794                         case ${peers} in
 795                         '')
 796                                 continue
 797                                 ;;
 798                         *)
 799                                 ifconfig $i create tunnel ${peers}
 800                                 ;;
 801                         esac
 802                 done
 803                 ;;
 804         esac
 805 }
 806
 807 convert_host_conf() {
 808     host_conf=$1; shift;
 809     nsswitch_conf=$1; shift;
 810     awk '                                                                   \
 811         /^[:blank:]*#/       { next }                                       \
 812         /(hosts|local|file)/ { nsswitch[c] = "files"; c++; next }           \
 813         /(dns|bind)/         { nsswitch[c] = "dns";   c++; next }           \
 814         /nis/                { nsswitch[c] = "nis";   c++; next }           \
 815         { printf "Warning: unrecognized line [%s]", $0 > "/dev/stderr" }    \
 816         END {                                                               \
 817                 printf "hosts: ";                                           \
 818                 for (i in nsswitch) printf "%s ", nsswitch[i];              \
 819                 printf "\n";                                                \
 820         }' < $host_conf > $nsswitch_conf
 821 }
 822