Annotation of src/etc/netstart, Revision 1.16
1.1 deraadt 1: #!/bin/sh -
2: #
1.16 ! rees 3: # $OpenBSD: netstart,v 1.15 1997/03/03 01:13:11 downsj Exp $
1.1 deraadt 4:
5: # set these to "NO" to turn them off. otherwise, they're used as flags
6: routed_flags=-q
1.3 deraadt 7: mrouted_flags=NO # for 'normal' use: mrouted_flags=""
1.1 deraadt 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=""
1.15 downsj 13: timed_flags=NO # for 'normal' use: timed_flags=""
1.1 deraadt 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
1.4 dm 22: ipfilter=NO
1.10 deraadt 23: portmap=YES # almost always needed
24: inetd=YES # almost always needed
25: lpd=NO # printing daemons
1.1 deraadt 26:
27: # miscellaneous other flags
28: # only used if the appropriate server is marked YES above
29: gated_flags=
30: amd_dir=/amd # AMD's mount directory
31: amd_master=/etc/amd/master # AMD 'master' map
1.4 dm 32: ipfilter_rules=/etc/ipf.rules # Rules for IP packet filtering
33: ipmon_flags=-s # To disable logging, use ipmon_flags=NO
1.11 deraadt 34: rfc1323=YES # TCP RFC1323 extensions (disable if tcp is slow)
1.1 deraadt 35:
36: # /etc/myname contains my symbolic name
37: #
38: hostname=`cat /etc/myname`
39: hostname $hostname
40: if [ -f /etc/defaultdomain ]; then
41: domainname `cat /etc/defaultdomain`
1.4 dm 42: fi
1.16 ! rees 43:
! 44: route flush
1.4 dm 45:
46: # Configure the IP filter before configuring network interfaces
47: #
48: if [ X"${ipfilter}" = X"YES" -a -f "${ipfilter_rules}" ]; then
49: echo 'configuring IP filter'
50: ipf -Fa -f ${ipfilter_rules} -E
51: else
52: ipfilter=NO
1.1 deraadt 53: fi
54:
55: # configure all of the interfaces which we know about.
56: # do this by reading /etc/hostname.* files, where * is the name
57: # of a given interface.
58: #
59: # these files are formatted like the following, but with no # at the
60: # beginning of the line
61: #
62: # addr_family hostname netmask broadcast_addr options
63: # dest dest_addr
64: #
65: # addr_family is the address family of the interface, generally inet
66: # hostname is the host name that belongs to the interface, in /etc/hosts.
67: # netmask is the network mask for the interface.
68: # broadcast_addr is the broadcast address for the interface
69: # options are misc. options to ifconfig for the interface.
70: #
71: # dest is simply the string "dest" (no quotes, though) if the interface
72: # has a "destination" (i.e. it's a point-to-point link, like SLIP).
73: # dest_addr is the hostname of the other end of the link, in /etc/hosts
74: #
75: # the only required contents of the file are the addr_family field
76: # and the hostname.
77:
78: (
79: tmp="$IFS"
80: IFS="$IFS."
81: set -- `echo /etc/hostname*`
82: IFS=$tmp
83: unset tmp
84:
85: while [ $# -ge 2 ] ; do
86: shift # get rid of "hostname"
87: (
88: read af name mask bcaddr extras
89: read dt dtaddr
90:
91: if [ ! -n "$name" ]; then
92: echo "/etc/hostname.$1: invalid network configuration file"
93: exit
94: fi
95:
96: cmd="ifconfig $1 $af $name "
97: if [ "${dt}" = "dest" ]; then cmd="$cmd $dtaddr"; fi
98: if [ -n "$mask" ]; then cmd="$cmd netmask $mask"; fi
99: if [ -n "$bcaddr" -a "X$bcaddr" != "XNONE" ]; then
100: cmd="$cmd broadcast $bcaddr";
101: fi
102: cmd="$cmd $extras"
103:
104: $cmd
105: ) < /etc/hostname.$1
106: shift
107: done
108: )
109:
110: # set the address for the loopback interface
111: ifconfig lo0 inet localhost
112:
1.14 deraadt 113: # /etc/mygate, if it exists, contains the name of my gateway host
114: # that name must be in /etc/hosts.
115: if [ -f /etc/mygate ]; then
116: route add default `cat /etc/mygate`
117: fi
118:
1.1 deraadt 119: # use loopback, not the wire
120: route add $hostname localhost
1.8 deraadt 121: route add -net 127 127.0.0.1 -reject
1.6 tholo 122:
123: # default multicast route
1.9 deraadt 124: route add -net 224.0.0.0 -interface $hostname
1.1 deraadt 125: