etc/rc.network

   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         # Generate host.conf for compatibility
  42         #
  43         if [ -f "/etc/nsswitch.conf" ]; then
  44                 echo -n ' host.conf'
  45                 generate_host_conf /etc/nsswitch.conf /etc/host.conf
  46         fi
  47
  48         # Convert host.conf to nsswitch.conf if necessary
  49         #
  50         if [ -f "/etc/host.conf" -a ! -f "/etc/nsswitch.conf" ]; then
  51                 echo ''
  52                 echo 'Warning: /etc/host.conf is no longer used'
  53                 echo '  /etc/nsswitch.conf will be created for you'
  54                 convert_host_conf /etc/host.conf /etc/nsswitch.conf
  55         fi
  56
  57         # Set the host name if it is not already set
  58         #
  59         if [ -z "`hostname -s`" ]; then
  60                 hostname ${hostname}
  61                 echo -n ' hostname'
  62         fi
  63
  64         # Establish ipfilter ruleset as early as possible (best in
  65         # addition to IPFILTER_DEFAULT_BLOCK in the kernel config file)
  66
  67         # check whether ipfilter and/or ipnat is enabled
  68         ipfilter_active="NO"
  69         case ${ipfilter_enable} in
  70         [Yy][Ee][Ss])
  71                 ipfilter_active="YES"
  72                 ;;
  73         esac
  74         case ${ipnat_enable} in
  75         [Yy][Ee][Ss])
  76                 ipfilter_active="YES"
  77                 ;;
  78         esac
  79         case ${ipfilter_active} in
  80         [Yy][Ee][Ss])
  81                 # load ipfilter kernel module if needed
  82                 if ! sysctl net.inet.ipf.fr_pass > /dev/null 2>&1; then
  83                         if kldload ipl; then
  84                                 echo 'IP-filter module loaded.'
  85                         else
  86                                 echo 'Warning: IP-filter module failed to load.'
  87                                 # avoid further errors
  88                                 ipfilter_active="NO"
  89                                 ipmon_enable="NO"
  90                                 ipfilter_enable="NO"
  91                                 ipnat_enable="NO"
  92                                 ipfs_enable="NO"
  93                         fi
  94                 fi
  95                 # start ipmon before loading any rules
  96                 case "${ipmon_enable}" in
  97                 [Yy][Ee][Ss])
  98                         echo -n ' ipmon'
  99                         ${ipmon_program:-/sbin/ipmon} ${ipmon_flags}
 100                         ;;
 101                 esac
 102                 case "${ipfilter_enable}" in
 103                 [Yy][Ee][Ss])
 104                         if [ -r "${ipfilter_rules}" -o \
 105                              -r "${ipv6_ipfilter_rules}" ]; then
 106                                 echo -n ' ipfilter'
 107                                 ${ipfilter_program:-/sbin/ipf} -Fa
 108                                 if [ -r "${ipfilter_rules}" ]; then
 109                                         ${ipfilter_program:-/sbin/ipf} \
 110                                             -f "${ipfilter_rules}" \
 111                                             ${ipfilter_flags}
 112                                 fi
 113                                 if [ -r "${ipv6_ipfilter_rules}" ]; then
 114                                         ${ipfilter_program:-/sbin/ipf} -6 \
 115                                             -f "${ipv6_ipfilter_rules}" \
 116                                             ${ipfilter_flags}
 117                                 fi
 118                         else
 119                                 ipfilter_enable="NO"
 120                                 echo -n ' NO IPF RULES'
 121                         fi
 122                         ;;
 123                 esac
 124                 case "${ipnat_enable}" in
 125                 [Yy][Ee][Ss])
 126                         if [ -r "${ipnat_rules}" ]; then
 127                                 echo -n ' ipnat'
 128                                 eval ${ipnat_program:-/sbin/ipnat} -CF -f \
 129                                     "${ipnat_rules}" ${ipnat_flags}
 130                         else
 131                                 ipnat_enable="NO"
 132                                 echo -n ' NO IPNAT RULES'
 133                         fi
 134                         ;;
 135                 esac
 136                 # restore filter/NAT state tables after loading the rules
 137                 case "${ipfs_enable}" in
 138                 [Yy][Ee][Ss])
 139                         if [ -r "/var/db/ipf/ipstate.ipf" ]; then
 140                                 echo -n ' ipfs'
 141                                 ${ipfs_program:-/sbin/ipfs} -R ${ipfs_flags}
 142                                 # remove files to avoid reloading old state
 143                                 # after an ungraceful shutdown
 144                                 rm -f /var/db/ipf/ipstate.ipf
 145                                 rm -f /var/db/ipf/ipnat.ipf
 146                         fi
 147                         ;;
 148                 esac
 149                 ;;
 150         esac
 151
 152         # Set the domainname if we're using NIS
 153         #
 154         case ${nisdomainname} in
 155         [Nn][Oo] | '')
 156                 ;;
 157         *)
 158                 domainname ${nisdomainname}
 159                 echo -n ' domain'
 160                 ;;
 161         esac
 162
 163         echo '.'
 164
 165         # Initial ATM interface configuration
 166         #
 167         case ${atm_enable} in
 168         [Yy][Ee][Ss])
 169                 if [ -r /etc/rc.atm ]; then
 170                         . /etc/rc.atm
 171                         atm_pass1
 172                 fi
 173                 ;;
 174         esac
 175
 176         # Attempt to create cloned interfaces.
 177         for ifn in ${cloned_interfaces}; do
 178                 ifconfig ${ifn} create
 179         done
 180
 181         # Special options for sppp(4) interfaces go here.  These need
 182         # to go _before_ the general ifconfig section, since in the case
 183         # of hardwired (no link1 flag) but required authentication, you
 184         # cannot pass auth parameters down to the already running interface.
 185         #
 186         for ifn in ${sppp_interfaces}; do
 187                 eval spppcontrol_args=\$spppconfig_${ifn}
 188                 if [ -n "${spppcontrol_args}" ]; then
 189                         # The auth secrets might contain spaces; in order
 190                         # to retain the quotation, we need to eval them
 191                         # here.
 192                         eval spppcontrol ${ifn} ${spppcontrol_args}
 193                 fi
 194         done
 195
 196         # gifconfig
 197         network_gif_setup
 198
 199         # Set up all the network interfaces, calling startup scripts if needed
 200         #
 201         case ${network_interfaces} in
 202         [Aa][Uu][Tt][Oo])
 203                 network_interfaces="`ifconfig -l`"
 204                 ;;
 205         *)
 206                 network_interfaces="${network_interfaces} ${cloned_interfaces}"
 207                 ;;
 208         esac
 209
 210         dhcp_interfaces=""
 211         for ifn in ${network_interfaces}; do
 212                 _up=`ifconfig ${ifn} | head -1 | grep -v LOOPBACK | grep UP,`
 213                 if [ "$_up" != "" ]; then
 214                         # Interface is already up, so ignore it.
 215                         continue;
 216                 fi
 217
 218                 if [ -r /etc/start_if.${ifn} ]; then
 219                         . /etc/start_if.${ifn}
 220                         eval showstat_$ifn=1
 221                 fi
 222
 223                 # Do the primary ifconfig if specified
 224                 #
 225                 eval ifconfig_args=\$ifconfig_${ifn}
 226
 227                 case ${ifconfig_args} in
 228                 '')
 229                         ;;
 230                 [Dd][Hh][Cc][Pp])
 231                         # DHCP inits are done all in one go below
 232                         dhcp_interfaces="$dhcp_interfaces $ifn"
 233                         eval showstat_$ifn=1
 234                         ;;
 235                 *)
 236                         ifconfig ${ifn} ${ifconfig_args}
 237                         eval showstat_$ifn=1
 238                         ;;
 239                 esac
 240         done
 241
 242         if [ ! -z "${dhcp_interfaces}" ]; then
 243                 ${dhcp_program:-/sbin/dhclient} ${dhcp_flags} ${dhcp_interfaces}
 244         fi
 245
 246         for ifn in ${network_interfaces}; do
 247                 # Check to see if aliases need to be added
 248                 #
 249                 alias=0
 250                 while : ; do
 251                         eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
 252                         if [ -n "${ifconfig_args}" ]; then
 253                                 ifconfig ${ifn} ${ifconfig_args} alias
 254                                 eval showstat_$ifn=1
 255                                 alias=$((${alias} + 1))
 256                         else
 257                                 break;
 258                         fi
 259                 done
 260
 261                 # Do ipx address if specified
 262                 #
 263                 eval ifconfig_args=\$ifconfig_${ifn}_ipx
 264                 if [ -n "${ifconfig_args}" ]; then
 265                         ifconfig ${ifn} ${ifconfig_args}
 266                         eval showstat_$ifn=1
 267                 fi
 268         done
 269
 270         for ifn in ${network_interfaces}; do
 271                 eval showstat=\$showstat_${ifn}
 272                 if [ ! -z ${showstat} ]; then
 273                         ifconfig ${ifn}
 274                 fi
 275         done
 276
 277         # ISDN subsystem startup
 278         #
 279         case ${isdn_enable} in
 280         [Yy][Ee][Ss])
 281                 if [ -r /etc/rc.isdn ]; then
 282                         . /etc/rc.isdn
 283                 fi
 284                 ;;
 285         esac
 286
 287         # Start user ppp if required.  This must happen before natd.
 288         #
 289         case ${ppp_enable} in
 290         [Yy][Ee][Ss])
 291                 # Establish ppp mode.
 292                 #
 293                 if [ "${ppp_mode}" != "ddial" -a "${ppp_mode}" != "direct" \
 294                         -a "${ppp_mode}" != "dedicated" \
 295                         -a "${ppp_mode}" != "background" ]; then
 296                         ppp_mode="auto"
 297                 fi
 298
 299                 ppp_command="/usr/sbin/ppp -quiet -${ppp_mode}"
 300
 301                 # Switch on NAT mode?
 302                 #
 303                 case ${ppp_nat} in
 304                 [Yy][Ee][Ss])
 305                         ppp_command="${ppp_command} -nat"
 306                         ;;
 307                 esac
 308
 309                 ppp_command="${ppp_command} ${ppp_profile}"
 310
 311                 echo "Starting ppp as \"${ppp_user}\""
 312                 su -m ${ppp_user} -c "exec ${ppp_command}"
 313                 ;;
 314         esac
 315
 316         # Re-Sync ipfilter so it picks up any new network interfaces
 317         #
 318         case ${ipfilter_active} in
 319         [Yy][Ee][Ss])
 320                 ${ipfilter_program:-/sbin/ipf} -y ${ipfilter_flags} >/dev/null
 321                 ;;
 322         esac
 323         unset ipfilter_active
 324
 325         # Initialize IP filtering using ipfw
 326         #
 327         if /sbin/ipfw -q flush > /dev/null 2>&1; then
 328                 firewall_in_kernel=1
 329         else
 330                 firewall_in_kernel=0
 331         fi
 332
 333         case ${firewall_enable} in
 334         [Yy][Ee][Ss])
 335                 if [ "${firewall_in_kernel}" -eq 0 ] && kldload ipfw; then
 336                         firewall_in_kernel=1
 337                         echo 'Kernel firewall module loaded'
 338                 elif [ "${firewall_in_kernel}" -eq 0 ]; then
 339                         echo 'Warning: firewall kernel module failed to load'
 340                 fi
 341                 ;;
 342         esac
 343
 344         # Load the filters if required
 345         #
 346         case ${firewall_in_kernel} in
 347         1)
 348                 if [ -z "${firewall_script}" ]; then
 349                         firewall_script=/etc/rc.firewall
 350                 fi
 351
 352                 case ${firewall_enable} in
 353                 [Yy][Ee][Ss])
 354                         if [ -r "${firewall_script}" ]; then
 355                                 . "${firewall_script}"
 356                                 echo -n 'Firewall rules loaded, starting divert daemons:'
 357
 358                                 # Network Address Translation daemon
 359                                 #
 360                                 case ${natd_enable} in
 361                                 [Yy][Ee][Ss])
 362                                         if [ -n "${natd_interface}" ]; then
 363                                                 if echo ${natd_interface} | \
 364                                                         grep -q -E '^[0-9]+(\.[0-9]+){0,3}$'; then
 365                                                         natd_flags="$natd_flags -a ${natd_interface}"
 366                                                 else
 367                                                         natd_flags="$natd_flags -n ${natd_interface}"
 368                                                 fi
 369                                         fi
 370                                         echo -n ' natd'; ${natd_program:-/sbin/natd} ${natd_flags}
 371                                         ;;
 372                                 esac
 373
 374                                 echo '.'
 375
 376                         elif [ "`ipfw l 65535`" = "65535 deny ip from any to any" ]; then
 377                                 echo 'Warning: kernel has firewall functionality,' \
 378                                      'but firewall rules are not enabled.'
 379                                 echo '           All ip services are disabled.'
 380                         fi
 381
 382                         case ${firewall_logging} in
 383                         [Yy][Ee][Ss] | '')
 384                                 echo 'Firewall logging=YES'
 385                                 sysctl net.inet.ip.fw.verbose=1 >/dev/null
 386                                 ;;
 387                         *)
 388                                 ;;
 389                         esac
 390
 391                         ;;
 392                 esac
 393                 ;;
 394         esac
 395
 396         # Additional ATM interface configuration
 397         #
 398         if [ -n "${atm_pass1_done}" ]; then
 399                 atm_pass2
 400         fi
 401
 402         # Configure routing
 403         #
 404         case ${defaultrouter} in
 405         [Nn][Oo] | '')
 406                 ;;
 407         *)
 408                 static_routes="default ${static_routes}"
 409                 route_default="default ${defaultrouter}"
 410                 ;;
 411         esac
 412
 413         # Set up any static routes.  This should be done before router discovery.
 414         #
 415         if [ -n "${static_routes}" ]; then
 416                 for i in ${static_routes}; do
 417                         eval route_args=\$route_${i}
 418                         route add ${route_args}
 419                 done
 420         fi
 421
 422         echo -n 'Additional routing options:'
 423         case ${tcp_extensions} in
 424         [Yy][Ee][Ss] | '')
 425                 ;;
 426         *)
 427                 echo -n ' tcp extensions=NO'
 428                 sysctl net.inet.tcp.rfc1323=0 >/dev/null
 429                 ;;
 430         esac
 431
 432         case ${icmp_bmcastecho} in
 433         [Yy][Ee][Ss])
 434                 echo -n ' broadcast ping responses=YES'
 435                 sysctl net.inet.icmp.bmcastecho=1 >/dev/null
 436                 ;;
 437         esac
 438
 439         case ${icmp_drop_redirect} in
 440         [Yy][Ee][Ss])
 441                 echo -n ' ignore ICMP redirect=YES'
 442                 sysctl net.inet.icmp.drop_redirect=1 >/dev/null
 443                 ;;
 444         esac
 445
 446         case ${icmp_log_redirect} in
 447         [Yy][Ee][Ss])
 448                 echo -n ' log ICMP redirect=YES'
 449                 sysctl net.inet.icmp.log_redirect=1 >/dev/null
 450                 ;;
 451         esac
 452
 453         case ${gateway_enable} in
 454         [Yy][Ee][Ss])
 455                 echo -n ' IP gateway=YES'
 456                 sysctl net.inet.ip.forwarding=1 >/dev/null
 457                 ;;
 458         esac
 459
 460         case ${forward_sourceroute} in
 461         [Yy][Ee][Ss])
 462                 echo -n ' do source routing=YES'
 463                 sysctl net.inet.ip.sourceroute=1 >/dev/null
 464                 ;;
 465         esac
 466
 467         case ${accept_sourceroute} in
 468         [Yy][Ee][Ss])
 469                 echo -n ' accept source routing=YES'
 470                 sysctl net.inet.ip.accept_sourceroute=1 >/dev/null
 471                 ;;
 472         esac
 473
 474         case ${tcp_keepalive} in
 475         [Nn][Oo])
 476                 echo -n ' TCP keepalive=NO'
 477                 sysctl net.inet.tcp.always_keepalive=0 >/dev/null
 478                 ;;
 479         esac
 480
 481         case ${tcp_drop_synfin} in
 482         [Yy][Ee][Ss])
 483                 echo -n ' drop SYN+FIN packets=YES'
 484                 sysctl net.inet.tcp.drop_synfin=1 >/dev/null
 485                 ;;
 486         esac
 487
 488         case ${ipxgateway_enable} in
 489         [Yy][Ee][Ss])
 490                 echo -n ' IPX gateway=YES'
 491                 sysctl net.ipx.ipx.ipxforwarding=1 >/dev/null
 492                 ;;
 493         esac
 494
 495         case ${arpproxy_all} in
 496         [Yy][Ee][Ss])
 497                 echo -n ' ARP proxyall=YES'
 498                 sysctl net.link.ether.inet.proxyall=1 >/dev/null
 499                 ;;
 500         esac
 501
 502         case ${ip_portrange_first} in
 503         [Nn][Oo] | '')
 504                 ;;
 505         *)
 506                 echo -n " ip_portrange_first=$ip_portrange_first"
 507                 sysctl net.inet.ip.portrange.first=$ip_portrange_first >/dev/null
 508                 ;;
 509         esac
 510
 511         case ${ip_portrange_last} in
 512         [Nn][Oo] | '')
 513                 ;;
 514         *)
 515                 echo -n " ip_portrange_last=$ip_portrange_last"
 516                 sysctl net.inet.ip.portrange.last=$ip_portrange_last >/dev/null
 517                 ;;
 518         esac
 519
 520         echo '.'
 521
 522         case ${ipsec_enable} in
 523         [Yy][Ee][Ss])
 524                 if [ -f ${ipsec_file} ]; then
 525                     echo ' ipsec: enabled'
 526                     setkey -f ${ipsec_file}
 527                 else
 528                     echo ' ipsec: file not found'
 529                 fi
 530                 ;;
 531         esac
 532
 533         echo -n 'Routing daemons:'
 534         case ${router_enable} in
 535         [Yy][Ee][Ss])
 536                 echo -n " ${router}";   ${router} ${router_flags}
 537                 ;;
 538         esac
 539
 540         case ${ipxrouted_enable} in
 541         [Yy][Ee][Ss])
 542                 echo -n ' IPXrouted'
 543                 IPXrouted ${ipxrouted_flags} > /dev/null 2>&1
 544                 ;;
 545         esac
 546
 547         case ${mrouted_enable} in
 548         [Yy][Ee][Ss])
 549                 echo -n ' mrouted';     mrouted ${mrouted_flags}
 550                 ;;
 551         esac
 552
 553         case ${rarpd_enable} in
 554         [Yy][Ee][Ss])
 555                 echo -n ' rarpd';       rarpd ${rarpd_flags}
 556                 ;;
 557         esac
 558         echo '.'
 559
 560         # Let future generations know we made it.
 561         #
 562         network_pass1_done=YES
 563 }
 564
 565 network_pass2() {
 566         echo -n 'Doing additional network setup:'
 567         case ${named_enable} in
 568         [Yy][Ee][Ss])
 569                 echo -n ' named';       ${named_program:-named} ${named_flags}
 570                 ;;
 571         esac
 572
 573         case ${ntpdate_enable} in
 574         [Yy][Ee][Ss])
 575                 echo -n ' ntpdate'
 576                 ${ntpdate_program:-ntpdate} ${ntpdate_flags} >/dev/null 2>&1
 577                 ;;
 578         esac
 579
 580         case ${ntpd_enable} in
 581         [Yy][Ee][Ss])
 582                 echo -n ' ntpd';        ${ntpd_program:-ntpd} ${ntpd_flags}
 583                 ;;
 584         esac
 585
 586         case ${timed_enable} in
 587         [Yy][Ee][Ss])
 588                 echo -n ' timed';       timed ${timed_flags}
 589                 ;;
 590         esac
 591
 592         case ${rpcbind_enable} in
 593         [Yy][Ee][Ss])
 594                 echo -n ' rpcbind';     ${rpcbind_program:-/usr/sbin/rpcbind} \
 595                         ${rpcbind_flags}
 596
 597                 # Start ypserv if we're an NIS server.
 598                 # Run rpc.ypxfrd and rpc.yppasswdd only on the NIS master server.
 599                 #
 600                 case ${nis_server_enable} in
 601                 [Yy][Ee][Ss])
 602                         echo -n ' ypserv'; ypserv ${nis_server_flags}
 603
 604                         case ${nis_ypxfrd_enable} in
 605                         [Yy][Ee][Ss])
 606                                 echo -n ' rpc.ypxfrd'
 607                                 rpc.ypxfrd ${nis_ypxfrd_flags}
 608                                 ;;
 609                         esac
 610
 611                         case ${nis_yppasswdd_enable} in
 612                         [Yy][Ee][Ss])
 613                                 echo -n ' rpc.yppasswdd'
 614                                 rpc.yppasswdd ${nis_yppasswdd_flags}
 615                                 ;;
 616                         esac
 617                         ;;
 618                 esac
 619
 620                 # Start ypbind if we're an NIS client
 621                 #
 622                 case ${nis_client_enable} in
 623                 [Yy][Ee][Ss])
 624                         echo -n ' ypbind'; ypbind ${nis_client_flags}
 625                         case ${nis_ypset_enable} in
 626                         [Yy][Ee][Ss])
 627                                 echo -n ' ypset';       ypset ${nis_ypset_flags}
 628                                 ;;
 629                         esac
 630                         ;;
 631                 esac
 632
 633                 # Start keyserv if we are running Secure RPC
 634                 #
 635                 case ${keyserv_enable} in
 636                 [Yy][Ee][Ss])
 637                         echo -n ' keyserv';     keyserv ${keyserv_flags}
 638                         ;;
 639                 esac
 640
 641                 # Start ypupdated if we are running Secure RPC
 642                 # and we are NIS master
 643                 #
 644                 case ${rpc_ypupdated_enable} in
 645                 [Yy][Ee][Ss])
 646                         echo -n ' rpc.ypupdated';       rpc.ypupdated
 647                         ;;
 648                 esac
 649                 ;;
 650         esac
 651
 652         # Start ATM daemons
 653         if [ -n "${atm_pass2_done}" ]; then
 654                 atm_pass3
 655         fi
 656
 657         echo '.'
 658         network_pass2_done=YES
 659 }
 660
 661 network_pass3() {
 662         echo -n 'Starting final network daemons:'
 663
 664         case ${rpcbind_enable} in
 665         [Yy][Ee][Ss])
 666                 case ${nfs_server_enable} in
 667                 [Yy][Ee][Ss])
 668                         # Handle absent nfs server support
 669                         nfsserver_in_kernel=0
 670                         if sysctl vfs.nfsrv >/dev/null 2>&1; then
 671                                 nfsserver_in_kernel=1
 672                         else
 673                                 kldload nfsserver && nfsserver_in_kernel=1
 674                         fi
 675
 676                         if [ -r /etc/exports -a \
 677                             ${nfsserver_in_kernel} -eq 1 ]; then
 678                                 echo -n ' mountd'
 679
 680                                 case ${weak_mountd_authentication} in
 681                                 [Yy][Ee][Ss])
 682                                         mountd_flags="${mountd_flags} -n"
 683                                         ;;
 684                                 esac
 685
 686                                 mountd ${mountd_flags}
 687
 688                                 case ${nfs_reserved_port_only} in
 689                                 [Yy][Ee][Ss])
 690                                         echo -n ' NFS on reserved port only=YES'
 691                                         sysctl vfs.nfsrv.nfs_privport=1 > /dev/null
 692                                         ;;
 693                                 esac
 694
 695                                 echo -n ' nfsd';        nfsd ${nfs_server_flags}
 696
 697                                 case ${rpc_statd_enable} in
 698                                 [Yy][Ee][Ss])
 699                                         echo -n ' rpc.statd';   rpc.statd
 700                                         ;;
 701                                 esac
 702
 703                                 case ${rpc_lockd_enable} in
 704                                 [Yy][Ee][Ss])
 705                                         echo -n ' rpc.lockd';   rpc.lockd
 706                                         ;;
 707                                 esac
 708                         else
 709                                 echo -n ' Warning: nfs server failed'
 710                         fi
 711                         ;;
 712                 *)
 713                         case ${mountd_enable} in
 714                         [Yy][Ee][Ss])
 715                                 if [ -r /etc/exports ]; then
 716                                         echo -n ' mountd'
 717
 718                                         case ${weak_mountd_authentication} in
 719                                         [Yy][Ee][Ss])
 720                                                 mountd_flags="-n"
 721                                                 ;;
 722                                         esac
 723
 724                                         mountd ${mountd_flags}
 725                                 fi
 726                                 ;;
 727                         esac
 728                         ;;
 729                 esac
 730
 731                 case ${nfs_client_enable} in
 732                 [Yy][Ee][Ss])
 733                         nfsclient_in_kernel=0
 734                         # Handle absent nfs client support
 735                         if sysctl vfs.nfs >/dev/null 2>&1; then
 736                                 nfsclient_in_kernel=1
 737                         else
 738                                 kldload nfsclient && nfsclient_in_kernel=1
 739                         fi
 740
 741                         if [ ${nfsclient_in_kernel} -eq 1 ]
 742                         then
 743                                 if [ -n "${nfs_access_cache}" ]; then
 744                                         echo -n " NFS access cache time=${nfs_access_cache}"
 745                                         sysctl vfs.nfs.access_cache_timeout=${nfs_access_cache} >/dev/null
 746                                 fi
 747                                 if [ -n "${nfs_bufpackets}" ]; then
 748                                         sysctl vfs.nfs.bufpackets=${nfs_bufpackets} > /dev/null
 749                                 fi
 750                                 case ${rpc_statd_enable} in
 751                                 [Yy][Ee][Ss])
 752                                         echo -n ' rpc.statd';   rpc.statd
 753                                         ;;
 754                                 esac
 755
 756                                 case ${rpc_lockd_enable} in
 757                                 [Yy][Ee][Ss])
 758                                         echo -n ' rpc.lockd';   rpc.lockd
 759                                         ;;
 760                                 esac
 761
 762                                 case ${amd_enable} in
 763                                 [Yy][Ee][Ss])
 764                                         echo -n ' amd'
 765                                         case ${amd_map_program} in
 766                                         [Nn][Oo] | '')
 767                                                 ;;
 768                                         *)
 769                                                 amd_flags="${amd_flags} `eval\
 770                                                         ${amd_map_program}`"
 771                                                 ;;
 772                                         esac
 773
 774                                         case "${amd_flags}" in
 775                                         '')
 776                                                 if [ -r /etc/amd.conf ]; then
 777                                                         amd &
 778                                                 else
 779                                                         echo ''
 780                         echo 'Warning: amd will not load without arguments'
 781                                                 fi
 782                                                 ;;
 783                                         *)
 784                                                 amd -p ${amd_flags} \
 785                                                          >/var/run/amd.pid \
 786                                                         2>/dev/null &
 787                                                 ;;
 788                                         esac
 789                                         ;;
 790                                 esac
 791                         else
 792                                 echo 'Warning: NFS client kernel module failed to load'
 793                                 nfs_client_enable=NO
 794                         fi
 795                         ;;
 796                 esac
 797
 798                 # If /var/db/mounttab exists, some nfs-server has not been
 799                 # successfully notified about a previous client shutdown.
 800                 # If there is no /var/db/mounttab, we do nothing.
 801                 if [ -f /var/db/mounttab ]; then
 802                         rpc.umntall -k
 803                 fi
 804
 805                 ;;
 806         esac
 807
 808         case ${rwhod_enable} in
 809         [Yy][Ee][Ss])
 810                 echo -n ' rwhod';       rwhod ${rwhod_flags}
 811                 ;;
 812         esac
 813
 814         # Kerberos servers run ONLY on the Kerberos server machine
 815         case ${kerberos4_server_enable} in
 816         [Yy][Ee][Ss])
 817                 case ${kerberos_stash} in
 818                 [Yy][Ee][Ss])
 819                         stash=-n
 820                         ;;
 821                 *)
 822                         stash=
 823                         ;;
 824                 esac
 825
 826                 echo -n ' kerberosIV'
 827                 ${kerberos4_server} ${stash} >> /var/log/kerberos.log &
 828
 829                 case ${kadmind4_server_enable} in
 830                 [Yy][Ee][Ss])
 831                         echo -n ' kadmindIV'
 832                         (
 833                                 sleep 20;
 834                                 ${kadmind4_server} ${stash} >/dev/null 2>&1 &
 835                         ) &
 836                         ;;
 837                 esac
 838                 unset stash_flag
 839                 ;;
 840         esac
 841
 842         case ${kerberos5_server_enable} in
 843         [Yy][Ee][Ss])
 844                 echo -n ' kerberos5'
 845                 ${kerberos5_server} &
 846
 847                 case ${kadmind5_server_enable} in
 848                 [Yy][Ee][Ss])
 849                         echo -n ' kadmind5'
 850                         ${kadmind5_server} &
 851                         ;;
 852                 esac
 853                 ;;
 854         esac
 855
 856         case ${pppoed_enable} in
 857         [Yy][Ee][Ss])
 858                 if [ -n "${pppoed_provider}" ]; then
 859                         pppoed_flags="${pppoed_flags} -p ${pppoed_provider}"
 860                 fi
 861                 echo -n ' pppoed';
 862                 _opts=$-; set -f
 863                 /usr/libexec/pppoed ${pppoed_flags} ${pppoed_interface}
 864                 set +f; set -${_opts}
 865                 ;;
 866         esac
 867
 868         case ${sshd_enable} in
 869         [Yy][Ee][Ss])
 870                 if [ -x /usr/bin/ssh-keygen ]; then
 871                         if [ ! -f /etc/ssh/ssh_host_key ]; then
 872                                 echo ' creating ssh1 RSA host key';
 873                                 /usr/bin/ssh-keygen -t rsa1 -N "" \
 874                                         -f /etc/ssh/ssh_host_key
 875                         fi
 876                         if [ ! -f /etc/ssh/ssh_host_rsa_key ]; then
 877                                 echo ' creating ssh2 RSA host key';
 878                                 /usr/bin/ssh-keygen -t rsa -N "" \
 879                                         -f /etc/ssh/ssh_host_rsa_key
 880                         fi
 881                         if [ ! -f /etc/ssh/ssh_host_dsa_key ]; then
 882                                 echo ' creating ssh2 DSA host key';
 883                                 /usr/bin/ssh-keygen -t dsa -N "" \
 884                                         -f /etc/ssh/ssh_host_dsa_key
 885                         fi
 886                 fi
 887                 ;;
 888         esac
 889
 890         echo '.'
 891         network_pass3_done=YES
 892 }
 893
 894 network_pass4() {
 895         echo -n 'Additional TCP options:'
 896         case ${log_in_vain} in
 897         [Nn][Oo] | '')
 898                 log_in_vain=0
 899                 ;;
 900         [Yy][Ee][Ss])
 901                 log_in_vain=1
 902                 ;;
 903         [0-9]*)
 904                 ;;
 905         *)
 906                 echo " invalid log_in_vain setting: ${log_in_vain}"
 907                 log_in_vain=0
 908                 ;;
 909         esac
 910
 911         [ "${log_in_vain}" -ne 0 ] && (
 912             echo -n " log_in_vain=${log_in_vain}"
 913             sysctl net.inet.tcp.log_in_vain="${log_in_vain}" >/dev/null
 914             sysctl net.inet.udp.log_in_vain="${log_in_vain}" >/dev/null
 915         )
 916         echo '.'
 917         network_pass4_done=YES
 918 }
 919
 920 network_gif_setup() {
 921         case ${gif_interfaces} in
 922         [Nn][Oo] | '')
 923                 ;;
 924         *)
 925                 for i in ${gif_interfaces}; do
 926                         eval peers=\$gifconfig_$i
 927                         case ${peers} in
 928                         '')
 929                                 continue
 930                                 ;;
 931                         *)
 932                                 ifconfig $i create >/dev/null 2>&1
 933                                 ifconfig $i tunnel ${peers}
 934                                 ifconfig $i up
 935                                 ;;
 936                         esac
 937                 done
 938                 ;;
 939         esac
 940 }
 941
 942 convert_host_conf() {
 943     host_conf=$1; shift;
 944     nsswitch_conf=$1; shift;
 945     awk '                                                                   \
 946         /^[:blank:]*#/       { next }                                       \
 947         /(hosts|local|file)/ { nsswitch[c] = "files"; c++; next }           \
 948         /(dns|bind)/         { nsswitch[c] = "dns";   c++; next }           \
 949         /nis/                { nsswitch[c] = "nis";   c++; next }           \
 950         { printf "Warning: unrecognized line [%s]", $0 > "/dev/stderr" }    \
 951         END {                                                               \
 952                 printf "hosts: ";                                           \
 953                 for (i in nsswitch) printf "%s ", nsswitch[i];              \
 954                 printf "\n";                                                \
 955         }' < $host_conf > $nsswitch_conf
 956 }
 957
 958 generate_host_conf() {
 959     nsswitch_conf=$1; shift;
 960     host_conf=$1; shift;
 961
 962     awk '
 963 BEGIN {
 964     xlat["files"] = "hosts";
 965     xlat["dns"] = "bind";
 966     xlat["nis"] = "nis";
 967     cont = 0;
 968 }
 969 sub(/^[\t ]*hosts:/, "") || cont {
 970     if (!cont)
 971         srcs = ""
 972     sub(/#.*/, "")
 973     gsub(/[][]/, " & ")
 974     cont = sub(/\\$/, "")
 975     srcs = srcs " " $0
 976 }
 977 END {
 978     print "# Auto-generated from nsswitch.conf, do not edit"
 979     ns = split(srcs, s)
 980     for (n = 1; n <= ns; ++n) {
 981         if (s[n] in xlat)
 982             print xlat[s[n]]
 983     }
 984 }
 985 ' <$nsswitch_conf >$host_conf
 986 }