network.subr revision 38876 
1#!/bin/sh -
2#
3#	$Id: rc.network,v 1.29 1998/08/14 06:55:17 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$tcp_extensions" != "xYES" ] ; then
109	    echo -n ' tcp extensions=NO'
110	    sysctl -w net.inet.tcp.rfc1323=0 >/dev/null 2>&1
111    fi
112
113    if [ "X$gateway_enable" = X"YES" ]; then
114	    echo -n ' IP gateway=YES'
115	    sysctl -w net.inet.ip.forwarding=1 >/dev/null 2>&1
116    fi
117    
118    if [ "X$forward_sourceroute" = X"YES" ]; then
119	    echo -n ' do source routing=YES'
120	    sysctl -w net.inet.ip.sourceroute=1 >/dev/null 2>&1
121    fi
122
123    if [ "X$accept_sourceroute" = X"YES" ]; then
124	    echo -n ' accept source routing=YES'
125	    sysctl -w net.inet.ip.accept_sourceroute=1 >/dev/null 2>&1
126    fi
127
128    if [ "X$ipxgateway_enable" = X"YES" ]; then
129	    echo -n ' IPX gateway=YES'
130	    sysctl -w net.ipx.ipx.ipxforwarding=1 >/dev/null 2>&1
131    fi
132    
133    if [ "X$arpproxy_all" = X"YES" ]; then
134	    echo -n ' enabling ARP_PROXY_ALL: '
135	    sysctl -w net.link.ether.inet.proxyall=1 2>&1
136    fi
137    echo '.'
138
139    echo -n 'routing daemons:'
140    if [ "X$router_enable" = X"YES" ]; then
141	    echo -n " ${router}";	${router} ${router_flags}
142    fi
143    
144    if [ "X$ipxrouted_enable" = X"YES" ]; then
145	    echo -n ' IPXrouted'
146	    IPXrouted ${ipxrouted_flags} > /dev/null 2>&1
147    fi
148    
149    if [ "X${mrouted_enable}" = X"YES" ]; then
150	    echo -n ' mrouted'; mrouted ${mrouted_flags}
151    fi
152
153    if [ "X$rarpd_enable" = X"YES" ]; then
154	    echo -n ' rarpd';     rarpd ${rarpd_flags}
155    fi
156    echo '.'
157    network_pass1_done=YES	# Let future generations know we made it.
158}
159
160network_pass2() {
161    echo -n 'Doing additional network setup:'
162    if [ "X${named_enable}" = X"YES" ]; then
163	    echo -n ' named';		${named_program-"named"} ${named_flags}
164    fi
165
166    if [ "X${ntpdate_enable}" = X"YES" ]; then
167	    echo -n ' ntpdate';	${ntpdate_program} ${ntpdate_flags} >/dev/null 2>&1
168    fi
169
170    if [ "X${xntpd_enable}" = X"YES" ]; then
171	    echo -n ' xntpd';	${xntpd_program} ${xntpd_flags}
172    fi
173
174    if [ "X${timed_enable}" = X"YES" ]; then
175	    echo -n ' timed';		timed ${timed_flags}
176    fi
177
178    if [ "X${portmap_enable}" = X"YES" ]; then
179	    echo -n ' portmap';		portmap ${portmap_flags}
180    fi
181
182    # Start ypserv if we're an NIS server.
183    # Run rpc.ypxfrd and rpc.yppasswdd only on the NIS master server.
184    if [ "X${nis_server_enable}" = X"YES" ]; then
185	    echo -n ' ypserv'; ypserv ${nis_server_flags}
186	    
187	    if [ "X${nis_ypxfrd_enable}" = X"YES" ]; then
188		    echo -n ' rpc.ypxfrd'; rpc.ypxfrd ${nis_ypxfrd_flags}
189	    fi
190	    
191	    if [ "X${nis_yppasswdd_enable}" = X"YES" ]; then
192		    echo -n ' rpc.yppasswdd'; rpc.yppasswdd ${nis_yppasswdd_flags}
193	    fi
194    fi
195
196    # Start ypbind if we're an NIS client
197    if [ "X${nis_client_enable}" = X"YES" ]; then
198	    echo -n ' ypbind'; ypbind ${nis_client_flags}
199	    if [ "X${nis_ypset_enable}" = X"YES" ]; then
200		    echo -n ' ypset'; ypset ${nis_ypset_flags}
201	    fi
202    fi
203
204    # Start keyserv if we are running Secure RPC
205    if [ "X${keyserv_enable}" = X"YES" ]; then
206	    echo -n ' keyserv';		keyserv ${keyserv_flags}
207    fi
208    # Start ypupdated if we are running Secure RPC and we are NIS master
209    if [ "X$rpc_ypupdated_enable" = X"YES" ]; then
210	    echo -n ' rpc.ypupdated';	rpc.ypupdated
211    fi
212
213    echo '.'
214    network_pass2_done=YES
215}
216
217network_pass3() {
218    echo -n 'Starting final network daemons:'
219
220    if [ "X${nfs_server_enable}" = X"YES" -a -r /etc/exports ]; then
221	    echo -n ' mountd'
222	    if [ "X${weak_mountd_authentication}" = X"YES" ]; then
223		    mountd_flags="-n"
224	    fi
225	    mountd ${mountd_flags}
226	    if [ "X${nfs_reserved_port_only}" = X"YES" ]; then
227		    sysctl -w vfs.nfs.nfs_privport=1 >/dev/null 2>&1
228	    fi
229	    echo -n ' nfsd';		nfsd ${nfs_server_flags}
230	    if [ "X$rpc_lockd_enable" = X"YES" ]; then
231		echo -n ' rpc.lockd';		rpc.lockd
232	    fi
233	    if [ "X$rpc_statd_enable" = X"YES" ]; then
234		echo -n ' rpc.statd';		rpc.statd
235	    fi
236    fi
237    
238    if [ "X${nfs_client_enable}" = X"YES" ]; then
239	    echo -n ' nfsiod';		nfsiod ${nfs_client_flags}
240    fi
241
242    if [ "X${amd_enable}" = X"YES" ]; then
243	    echo -n ' amd'
244	    if [ "X${amd_map_program}" != X"NO" ]; then
245		amd_flags="${amd_flags} `${amd_map_program}`"
246	    fi
247	    amd -p ${amd_flags} > /var/run/amd.pid 2> /dev/null
248    fi
249
250    if [ "X${rwhod_enable}" = X"YES" ]; then
251	    echo -n ' rwhod';	rwhod
252    fi
253
254    # Kerberos runs ONLY on the Kerberos server machine
255    if [ "X${kerberos_server_enable}" = X"YES" ]; then
256	    if [ "X${kerberos_stash}" = "XYES" ]; then
257		stash_flag=-n
258	    else
259		stash_flag=
260	    fi
261	    echo -n ' kerberos'; \
262		kerberos ${stash_flag} >> /var/log/kerberos.log &
263	    if [ "X${kadmind_server_enable}" = "XYES" ]; then
264		echo -n ' kadmind'; \
265		(sleep 20; kadmind ${stash_flag} >/dev/null 2>&1 &) &
266	    fi
267	    unset stash_flag
268    fi
269    
270    # Network Address Translation daemon
271       if [ "X${natd_enable}" = X"YES" -a X"${natd_interface}" != X"" \
272               -a X"${firewall_enable}" = X"YES" ]; then
273               if echo ${natd_interface} | \
274                       grep -q -E '^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$'; then
275                       natd_ifarg="-a ${natd_interface}"
276               else
277                       natd_ifarg="-n ${natd_interface}"
278               fi
279               echo -n ' natd'; natd ${natd_flags} ${natd_ifarg}
280       fi
281
282    echo '.'
283    network_pass3_done=YES
284}
285