Annotation of src/etc/netstart, Revision 1.18
1.1 deraadt 1: #!/bin/sh -
2: #
1.18 ! deraadt 3: # $OpenBSD: netstart,v 1.17 1997/04/09 03:00:05 kstailey 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
1.17 kstailey 23: nat=NO
1.10 deraadt 24: portmap=YES # almost always needed
25: inetd=YES # almost always needed
26: lpd=NO # printing daemons
1.1 deraadt 27:
28: # miscellaneous other flags
29: # only used if the appropriate server is marked YES above
30: gated_flags=
31: amd_dir=/amd # AMD's mount directory
32: amd_master=/etc/amd/master # AMD 'master' map
1.4 dm 33: ipfilter_rules=/etc/ipf.rules # Rules for IP packet filtering
1.17 kstailey 34: nat_rules=/etc/nat.rules # Rules for Network Address Translation
1.4 dm 35: ipmon_flags=-s # To disable logging, use ipmon_flags=NO
1.11 deraadt 36: rfc1323=YES # TCP RFC1323 extensions (disable if tcp is slow)
1.1 deraadt 37:
38: # /etc/myname contains my symbolic name
39: #
40: hostname=`cat /etc/myname`
41: hostname $hostname
42: if [ -f /etc/defaultdomain ]; then
43: domainname `cat /etc/defaultdomain`
1.4 dm 44: fi
45:
46: # Configure the IP filter before configuring network interfaces
47: #
48: if [ X"${ipfilter}" = X"YES" -a -f "${ipfilter_rules}" ]; then
49: echo 'configuring IP filter'
50: ipf -Fa -f ${ipfilter_rules} -E
51: else
52: ipfilter=NO
1.1 deraadt 53: fi
1.17 kstailey 54:
55: # Configure NAT before configuring network interfaces
56: #
57: if [ X"${nat}" = X"YES" -a -f "${nat_rules}" ]; then
58: echo 'configuring NAT'
59: ipnat -CF -f ${nat_rules}
60: else
61: nat=NO
62: fi
63:
1.1 deraadt 64:
65: # configure all of the interfaces which we know about.
66: # do this by reading /etc/hostname.* files, where * is the name
67: # of a given interface.
68: #
69: # these files are formatted like the following, but with no # at the
70: # beginning of the line
71: #
72: # addr_family hostname netmask broadcast_addr options
73: # dest dest_addr
74: #
75: # addr_family is the address family of the interface, generally inet
76: # hostname is the host name that belongs to the interface, in /etc/hosts.
77: # netmask is the network mask for the interface.
78: # broadcast_addr is the broadcast address for the interface
79: # options are misc. options to ifconfig for the interface.
80: #
81: # dest is simply the string "dest" (no quotes, though) if the interface
82: # has a "destination" (i.e. it's a point-to-point link, like SLIP).
83: # dest_addr is the hostname of the other end of the link, in /etc/hosts
84: #
85: # the only required contents of the file are the addr_family field
86: # and the hostname.
87:
88: (
89: tmp="$IFS"
90: IFS="$IFS."
91: set -- `echo /etc/hostname*`
92: IFS=$tmp
93: unset tmp
94:
95: while [ $# -ge 2 ] ; do
96: shift # get rid of "hostname"
97: (
98: read af name mask bcaddr extras
99: read dt dtaddr
100:
101: if [ ! -n "$name" ]; then
102: echo "/etc/hostname.$1: invalid network configuration file"
103: exit
104: fi
105:
106: cmd="ifconfig $1 $af $name "
107: if [ "${dt}" = "dest" ]; then cmd="$cmd $dtaddr"; fi
108: if [ -n "$mask" ]; then cmd="$cmd netmask $mask"; fi
109: if [ -n "$bcaddr" -a "X$bcaddr" != "XNONE" ]; then
110: cmd="$cmd broadcast $bcaddr";
111: fi
112: cmd="$cmd $extras"
113:
114: $cmd
115: ) < /etc/hostname.$1
116: shift
117: done
118: )
119:
120: # set the address for the loopback interface
121: ifconfig lo0 inet localhost
122:
1.14 deraadt 123: # /etc/mygate, if it exists, contains the name of my gateway host
124: # that name must be in /etc/hosts.
125: if [ -f /etc/mygate ]; then
126: route add default `cat /etc/mygate`
127: fi
128:
1.1 deraadt 129: # use loopback, not the wire
130: route add $hostname localhost
1.8 deraadt 131: route add -net 127 127.0.0.1 -reject
1.6 tholo 132:
133: # default multicast route
1.9 deraadt 134: route add -net 224.0.0.0 -interface $hostname
1.1 deraadt 135: