Annotation of src/etc/netstart, Revision 1.10
1.1 deraadt 1: #!/bin/sh -
2: #
1.10 ! deraadt 3: # $OpenBSD: netstart,v 1.9 1996/08/27 11:46:20 deraadt 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=""
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
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
1.1 deraadt 34:
35: # /etc/myname contains my symbolic name
36: #
37: hostname=`cat /etc/myname`
38: hostname $hostname
39: if [ -f /etc/defaultdomain ]; then
40: domainname `cat /etc/defaultdomain`
1.4 dm 41: fi
42:
43: # Configure the IP filter before configuring network interfaces
44: #
45: if [ X"${ipfilter}" = X"YES" -a -f "${ipfilter_rules}" ]; then
46: echo 'configuring IP filter'
47: ipf -Fa -f ${ipfilter_rules} -E
48: else
49: ipfilter=NO
1.1 deraadt 50: fi
51:
52: # configure all of the interfaces which we know about.
53: # do this by reading /etc/hostname.* files, where * is the name
54: # of a given interface.
55: #
56: # these files are formatted like the following, but with no # at the
57: # beginning of the line
58: #
59: # addr_family hostname netmask broadcast_addr options
60: # dest dest_addr
61: #
62: # addr_family is the address family of the interface, generally inet
63: # hostname is the host name that belongs to the interface, in /etc/hosts.
64: # netmask is the network mask for the interface.
65: # broadcast_addr is the broadcast address for the interface
66: # options are misc. options to ifconfig for the interface.
67: #
68: # dest is simply the string "dest" (no quotes, though) if the interface
69: # has a "destination" (i.e. it's a point-to-point link, like SLIP).
70: # dest_addr is the hostname of the other end of the link, in /etc/hosts
71: #
72: # the only required contents of the file are the addr_family field
73: # and the hostname.
74:
75: (
76: tmp="$IFS"
77: IFS="$IFS."
78: set -- `echo /etc/hostname*`
79: IFS=$tmp
80: unset tmp
81:
82: while [ $# -ge 2 ] ; do
83: shift # get rid of "hostname"
84: (
85: read af name mask bcaddr extras
86: read dt dtaddr
87:
88: if [ ! -n "$name" ]; then
89: echo "/etc/hostname.$1: invalid network configuration file"
90: exit
91: fi
92:
93: cmd="ifconfig $1 $af $name "
94: if [ "${dt}" = "dest" ]; then cmd="$cmd $dtaddr"; fi
95: if [ -n "$mask" ]; then cmd="$cmd netmask $mask"; fi
96: if [ -n "$bcaddr" -a "X$bcaddr" != "XNONE" ]; then
97: cmd="$cmd broadcast $bcaddr";
98: fi
99: cmd="$cmd $extras"
100:
101: $cmd
102: ) < /etc/hostname.$1
103: shift
104: done
105: )
106:
107: # set the address for the loopback interface
108: ifconfig lo0 inet localhost
109:
110: # use loopback, not the wire
111: route add $hostname localhost
1.8 deraadt 112: route add -net 127 127.0.0.1 -reject
1.6 tholo 113:
114: # default multicast route
1.9 deraadt 115: route add -net 224.0.0.0 -interface $hostname
1.1 deraadt 116:
117: # /etc/mygate, if it exists, contains the name of my gateway host
118: # that name must be in /etc/hosts.
119: if [ -f /etc/mygate ]; then
120: route add default `cat /etc/mygate`
1.2 deraadt 121: fi
122:
123: # /etc/ifaliases, if it exists, contains the names of additional IP
124: # addresses for each interface. It is formatted as a series of lines
125: # that contain
1.7 deraadt 126: # interface address netmask
1.2 deraadt 127: if [ -f /etc/ifaliases ]; then
128: (
1.7 deraadt 129: # delete comments and blank lines
130: set -- `sed -e 's/#.*$//' /etc/ifaliases | grep -v '^$'`
1.2 deraadt 131:
1.7 deraadt 132: while [ $# -ge 3 ] ; do
133: ifconfig $1 inet alias $2 netmask $3
134: route add $2 localhost
135: shift 3
1.2 deraadt 136: done
137: )
1.1 deraadt 138: fi
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