routing revision 39267 
1#!/bin/sh -
2#
3#	$Id: rc.network,v 1.30 1998/09/06 08:20:11 phk Exp $
4#	From: @(#)netstart	5.9 (Berkeley) 3/30/91
5
6# Note that almost all the user-configurable behavior is no longer in
7# this file, but rather in /etc/rc.conf.  Please check that file
8# first before contemplating any changes here.  If you do need to change
9# this file for some reason, we would like to know about it.
10
11# First pass startup stuff.
12
13network_pass1() {
14    echo -n 'Doing initial network setup:'
15    # Set the host name if it is not already set
16    if [ -z "`hostname -s`" ] ; then
17	    hostname $hostname
18	    echo -n ' hostname'
19    fi
20
21    # Set the domainname if we're using NIS
22    if [ -n "$nisdomainname" -a "x$nisdomainname" != "xNO" ] ; then
23	    domainname $nisdomainname
24	    echo -n ' domain'
25    fi
26    echo '.'
27
28    # Set up all the network interfaces, calling startup scripts if needed
29    for ifn in ${network_interfaces}; do
30	    if [ -e /etc/start_if.${ifn} ]; then
31		    . /etc/start_if.${ifn}
32	    fi
33	    # Do the primary ifconfig if specified
34	    eval ifconfig_args=\$ifconfig_${ifn}
35	    if [ -n "${ifconfig_args}" ] ; then
36		    ifconfig ${ifn} ${ifconfig_args}
37	    fi
38	    # Check to see if aliases need to be added
39	    alias=0
40	    while :
41	    do
42		    eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
43		    if [ -n "${ifconfig_args}" ]; then
44			    ifconfig ${ifn} ${ifconfig_args} alias
45			    alias=`expr ${alias} + 1`
46		    else
47			    break;
48		    fi
49	    done
50	    # Do ipx address if specified
51	    eval ifconfig_args=\$ifconfig_${ifn}_ipx
52	    if [ -n "${ifconfig_args}" ]; then
53		    ifconfig ${ifn} ${ifconfig_args}
54	    fi
55	    ifconfig ${ifn}
56    done
57
58    # Initialize IP filtering using ipfw
59    echo ""
60    /sbin/ipfw -q flush > /dev/null 2>&1
61    if [ $? = 0 ] ; then
62	firewall_in_kernel=1
63    else 
64	firewall_in_kernel=0
65    fi
66
67    if [ $firewall_in_kernel = 0 -a "x$firewall_enable"  = "xYES" ] ; then
68	if modload /lkm/ipfw_mod.o; then
69		firewall_in_kernel=1		# module loaded successfully
70		echo "Kernel firewall module loaded."
71	else
72		echo "Warning: firewall kernel module failed to load."
73	fi
74    fi
75
76    # Load the filters if required
77    if [ $firewall_in_kernel = 1 ]; then
78	if [ -n "$firewall_enable" -a -f /etc/rc.firewall -a \
79		"x$firewall_enable" = "xYES" ] ; then
80	    . /etc/rc.firewall
81	    echo "Firewall rules loaded."
82	else
83	    IPFW_DEFAULT=`ipfw l 65535`
84	    if [ "$IPFW_DEFAULT" = "65535 deny ip from any to any" ]; then
85		echo -n "Warning: kernel has firewall functionality, "
86		echo "but firewall rules are not enabled."
87		echo "         All ip services are disabled."
88	    fi
89	fi
90    fi
91
92    # Configure routing
93
94    if [ "x$defaultrouter" != "xNO" ] ; then
95	    static_routes="default ${static_routes}"
96	    route_default="default ${defaultrouter}"
97    fi
98    
99    # Set up any static routes.  This should be done before router discovery.
100    if [ "x${static_routes}" != "x" ]; then
101	    for i in ${static_routes}; do
102		    eval route_args=\$route_${i}
103		    route add ${route_args}
104	    done
105    fi
106
107    echo -n 'Additional routing options:'
108    if [ -n "$tcp_extensions" -a "x$tcp_extensions" != "xYES" ] ; then
109	    echo -n ' tcp extensions=NO'
110	    sysctl -w net.inet.tcp.rfc1323=0 >/dev/null 2>&1
111    fi
112
113    if [ X"$icmp_bmcastecho" = X"YES" ]; then
114	    echo -n ' broadcast ping responses=YES'
115	    sysctl -w net.inet.icmp.bmcastecho=1 >/dev/null 2>&1
116    fi
117
118    if [ "X$gateway_enable" = X"YES" ]; then
119	    echo -n ' IP gateway=YES'
120	    sysctl -w net.inet.ip.forwarding=1 >/dev/null 2>&1
121    fi
122    
123    if [ "X$forward_sourceroute" = X"YES" ]; then
124	    echo -n ' do source routing=YES'
125	    sysctl -w net.inet.ip.sourceroute=1 >/dev/null 2>&1
126    fi
127
128    if [ "X$accept_sourceroute" = X"YES" ]; then
129	    echo -n ' accept source routing=YES'
130	    sysctl -w net.inet.ip.accept_sourceroute=1 >/dev/null 2>&1
131    fi
132
133    if [ "X$ipxgateway_enable" = X"YES" ]; then
134	    echo -n ' IPX gateway=YES'
135	    sysctl -w net.ipx.ipx.ipxforwarding=1 >/dev/null 2>&1
136    fi
137    
138    if [ "X$arpproxy_all" = X"YES" ]; then
139	    echo -n ' enabling ARP_PROXY_ALL: '
140	    sysctl -w net.link.ether.inet.proxyall=1 2>&1
141    fi
142    echo '.'
143
144    echo -n 'routing daemons:'
145    if [ "X$router_enable" = X"YES" ]; then
146	    echo -n " ${router}";	${router} ${router_flags}
147    fi
148    
149    if [ "X$ipxrouted_enable" = X"YES" ]; then
150	    echo -n ' IPXrouted'
151	    IPXrouted ${ipxrouted_flags} > /dev/null 2>&1
152    fi
153    
154    if [ "X${mrouted_enable}" = X"YES" ]; then
155	    echo -n ' mrouted'; mrouted ${mrouted_flags}
156    fi
157
158    if [ "X$rarpd_enable" = X"YES" ]; then
159	    echo -n ' rarpd';     rarpd ${rarpd_flags}
160    fi
161    echo '.'
162    network_pass1_done=YES	# Let future generations know we made it.
163}
164
165network_pass2() {
166    echo -n 'Doing additional network setup:'
167    if [ "X${named_enable}" = X"YES" ]; then
168	    echo -n ' named';		${named_program-"named"} ${named_flags}
169    fi
170
171    if [ "X${ntpdate_enable}" = X"YES" ]; then
172	    echo -n ' ntpdate';	${ntpdate_program} ${ntpdate_flags} >/dev/null 2>&1
173    fi
174
175    if [ "X${xntpd_enable}" = X"YES" ]; then
176	    echo -n ' xntpd';	${xntpd_program} ${xntpd_flags}
177    fi
178
179    if [ "X${timed_enable}" = X"YES" ]; then
180	    echo -n ' timed';		timed ${timed_flags}
181    fi
182
183    if [ "X${portmap_enable}" = X"YES" ]; then
184	    echo -n ' portmap';		portmap ${portmap_flags}
185    fi
186
187    # Start ypserv if we're an NIS server.
188    # Run rpc.ypxfrd and rpc.yppasswdd only on the NIS master server.
189    if [ "X${nis_server_enable}" = X"YES" ]; then
190	    echo -n ' ypserv'; ypserv ${nis_server_flags}
191	    
192	    if [ "X${nis_ypxfrd_enable}" = X"YES" ]; then
193		    echo -n ' rpc.ypxfrd'; rpc.ypxfrd ${nis_ypxfrd_flags}
194	    fi
195	    
196	    if [ "X${nis_yppasswdd_enable}" = X"YES" ]; then
197		    echo -n ' rpc.yppasswdd'; rpc.yppasswdd ${nis_yppasswdd_flags}
198	    fi
199    fi
200
201    # Start ypbind if we're an NIS client
202    if [ "X${nis_client_enable}" = X"YES" ]; then
203	    echo -n ' ypbind'; ypbind ${nis_client_flags}
204	    if [ "X${nis_ypset_enable}" = X"YES" ]; then
205		    echo -n ' ypset'; ypset ${nis_ypset_flags}
206	    fi
207    fi
208
209    # Start keyserv if we are running Secure RPC
210    if [ "X${keyserv_enable}" = X"YES" ]; then
211	    echo -n ' keyserv';		keyserv ${keyserv_flags}
212    fi
213    # Start ypupdated if we are running Secure RPC and we are NIS master
214    if [ "X$rpc_ypupdated_enable" = X"YES" ]; then
215	    echo -n ' rpc.ypupdated';	rpc.ypupdated
216    fi
217
218    echo '.'
219    network_pass2_done=YES
220}
221
222network_pass3() {
223    echo -n 'Starting final network daemons:'
224
225    if [ "X${nfs_server_enable}" = X"YES" -a -r /etc/exports ]; then
226	    echo -n ' mountd'
227	    if [ "X${weak_mountd_authentication}" = X"YES" ]; then
228		    mountd_flags="-n"
229	    fi
230	    mountd ${mountd_flags}
231	    if [ "X${nfs_reserved_port_only}" = X"YES" ]; then
232		    sysctl -w vfs.nfs.nfs_privport=1 >/dev/null 2>&1
233	    fi
234	    echo -n ' nfsd';		nfsd ${nfs_server_flags}
235	    if [ "X$rpc_lockd_enable" = X"YES" ]; then
236		echo -n ' rpc.lockd';		rpc.lockd
237	    fi
238	    if [ "X$rpc_statd_enable" = X"YES" ]; then
239		echo -n ' rpc.statd';		rpc.statd
240	    fi
241    fi
242    
243    if [ "X${nfs_client_enable}" = X"YES" ]; then
244	    echo -n ' nfsiod';		nfsiod ${nfs_client_flags}
245    fi
246
247    if [ "X${amd_enable}" = X"YES" ]; then
248	    echo -n ' amd'
249	    if [ "X${amd_map_program}" != X"NO" ]; then
250		amd_flags="${amd_flags} `${amd_map_program}`"
251	    fi
252	    amd -p ${amd_flags} > /var/run/amd.pid 2> /dev/null
253    fi
254
255    if [ "X${rwhod_enable}" = X"YES" ]; then
256	    echo -n ' rwhod';	rwhod
257    fi
258
259    # Kerberos runs ONLY on the Kerberos server machine
260    if [ "X${kerberos_server_enable}" = X"YES" ]; then
261	    if [ "X${kerberos_stash}" = "XYES" ]; then
262		stash_flag=-n
263	    else
264		stash_flag=
265	    fi
266	    echo -n ' kerberos'; \
267		kerberos ${stash_flag} >> /var/log/kerberos.log &
268	    if [ "X${kadmind_server_enable}" = "XYES" ]; then
269		echo -n ' kadmind'; \
270		(sleep 20; kadmind ${stash_flag} >/dev/null 2>&1 &) &
271	    fi
272	    unset stash_flag
273    fi
274    
275    # Network Address Translation daemon
276       if [ "X${natd_enable}" = X"YES" -a X"${natd_interface}" != X"" \
277               -a X"${firewall_enable}" = X"YES" ]; then
278               if echo ${natd_interface} | \
279                       grep -q -E '^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$'; then
280                       natd_ifarg="-a ${natd_interface}"
281               else
282                       natd_ifarg="-n ${natd_interface}"
283               fi
284               echo -n ' natd'; natd ${natd_flags} ${natd_ifarg}
285       fi
286
287    echo '.'
288    network_pass3_done=YES
289}
290