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Annotation of src/etc/netstart, Revision 1.1.1.1

1.1       deraadt     1: #!/bin/sh -
                      2: #
                      3: #      $NetBSD: netstart,v 1.21 1995/10/08 18:11:40 thorpej Exp $
                      4: #      @(#)netstart    5.9 (Berkeley) 3/30/91
                      5:
                      6: # set these to "NO" to turn them off.  otherwise, they're used as flags
                      7: routed_flags=-q
                      8: rarpd_flags=NO         # for 'normal' use: rarpd_flags="-a"
                      9: bootparamd_flags=NO    # for 'normal' use: bootparamd_flags=""
                     10: rbootd_flags=NO                # for 'normal' use: rbootd_flags=""
                     11: sendmail_flags=NO      # for 'normal' use: sendmail_flags="-bd -q30m"
                     12: named_flags=NO         # for 'normal' use: named_flags=""
                     13: timed_flags=
                     14:
                     15: # set the following to "YES" to turn them on
                     16: rwhod=NO
                     17: nfs_server=NO
                     18: nfs_client=NO
                     19: gated=NO
                     20: kerberos_server=NO
                     21: amd=NO
                     22:
                     23: # miscellaneous other flags
                     24: # only used if the appropriate server is marked YES above
                     25: gated_flags=
                     26: amd_dir=/amd                   # AMD's mount directory
                     27: amd_master=/etc/amd/master     # AMD 'master' map
                     28:
                     29: # /etc/myname contains my symbolic name
                     30: #
                     31: hostname=`cat /etc/myname`
                     32: hostname $hostname
                     33: if [ -f /etc/defaultdomain ]; then
                     34:        domainname `cat /etc/defaultdomain`
                     35: fi
                     36:
                     37: # configure all of the interfaces which we know about.
                     38: # do this by reading /etc/hostname.* files, where * is the name
                     39: # of a given interface.
                     40: #
                     41: # these files are formatted like the following, but with no # at the
                     42: # beginning of the line
                     43: #
                     44: # addr_family hostname netmask broadcast_addr options
                     45: # dest dest_addr
                     46: #
                     47: # addr_family is the address family of the interface, generally inet
                     48: # hostname is the host name that belongs to the interface, in /etc/hosts.
                     49: # netmask is the network mask for the interface.
                     50: # broadcast_addr is the broadcast address for the interface
                     51: # options are misc. options to ifconfig for the interface.
                     52: #
                     53: # dest is simply the string "dest" (no quotes, though) if the interface
                     54: # has a "destination" (i.e. it's a point-to-point link, like SLIP).
                     55: # dest_addr is the hostname of the other end of the link, in /etc/hosts
                     56: #
                     57: # the only required contents of the file are the addr_family field
                     58: # and the hostname.
                     59:
                     60: (
                     61:     tmp="$IFS"
                     62:     IFS="$IFS."
                     63:     set -- `echo /etc/hostname*`
                     64:     IFS=$tmp
                     65:     unset tmp
                     66:
                     67:     while [ $# -ge 2 ] ; do
                     68:         shift            # get rid of "hostname"
                     69:         (
                     70:             read af name mask bcaddr extras
                     71:             read dt dtaddr
                     72:
                     73:             if [ ! -n "$name" ]; then
                     74:                 echo "/etc/hostname.$1: invalid network configuration file"
                     75:                 exit
                     76:             fi
                     77:
                     78:            cmd="ifconfig $1 $af $name "
                     79:            if [ "${dt}" = "dest" ]; then cmd="$cmd $dtaddr"; fi
                     80:            if [ -n "$mask" ]; then cmd="$cmd netmask $mask"; fi
                     81:            if [ -n "$bcaddr" -a "X$bcaddr" != "XNONE" ]; then
                     82:                cmd="$cmd broadcast $bcaddr";
                     83:            fi
                     84:            cmd="$cmd $extras"
                     85:
                     86:            $cmd
                     87:         ) < /etc/hostname.$1
                     88:         shift
                     89:     done
                     90: )
                     91:
                     92: # set the address for the loopback interface
                     93: ifconfig lo0 inet localhost
                     94:
                     95: # use loopback, not the wire
                     96: route add $hostname localhost
                     97:
                     98: # /etc/mygate, if it exists, contains the name of my gateway host
                     99: # that name must be in /etc/hosts.
                    100: if [ -f /etc/mygate ]; then
                    101:        route add default `cat /etc/mygate`
                    102: fi