network.subr revision 33682 
1#!/bin/sh -
2#
3#	$Id: rc.network,v 1.18 1998/02/16 19:21:32 guido 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	modload /lkm/ipfw_mod.o
69	if [ $? = 0 ]; then
70		firewall_in_kernel=1		# module loaded successfully
71		echo "Kernel firewall module loaded."
72	else
73		echo "Warning: firewall kernel module failed to load."
74	fi
75    fi
76
77    # Load the filters if required
78    if [ $firewall_in_kernel = 1 ]; then
79	if [ -n "$firewall_enable" -a -f /etc/rc.firewall -a \
80		"x$firewall_enable" = "xYES" ] ; then
81	    . /etc/rc.firewall
82	    echo "Firewall rules loaded."
83	else
84	    IPFW_DEFAULT=`ipfw l 65535`
85	    if [ "$IPFW_DEFAULT" = "65535 deny ip from any to any" ]; then
86		echo -n "Warning: kernel has firewall functionality, "
87		echo "but firewall rules are not enabled."
88		echo "         All ip services are disabled."
89	    fi
90	fi
91    fi
92
93    # Configure routing
94
95    if [ "x$defaultrouter" != "xNO" ] ; then
96	    static_routes="default ${static_routes}"
97	    route_default="default ${defaultrouter}"
98    fi
99    
100    # Set up any static routes.  This should be done before router discovery.
101    if [ "x${static_routes}" != "x" ]; then
102	    for i in ${static_routes}; do
103		    eval route_args=\$route_${i}
104		    route add ${route_args}
105	    done
106    fi
107
108    echo -n 'Additional routing options:'
109    if [ -n "$tcp_extensions" -a "x$tcp_extensions" != "xYES" ] ; then
110	    echo -n ' tcp extensions=NO'
111	    sysctl -w net.inet.tcp.rfc1323=0 >/dev/null 2>&1
112	    sysctl -w net.inet.tcp.rfc1644=0 >/dev/null 2>&1
113    fi
114
115    if [ "X$gateway_enable" = X"YES" ]; then
116	    echo -n ' IP gateway=YES'
117	    sysctl -w net.inet.ip.forwarding=1 >/dev/null 2>&1
118    fi
119    
120    if [ "X$forward_sourceroute" = X"YES" ]; then
121	    echo -n ' do source routing=YES'
122	    sysctl -w net.inet.ip.sourceroute=1 >/dev/null 2>&1
123    fi
124
125    if [ "X$accept_sourceroute" = X"YES" ]; then
126	    echo -n ' accept source routing=YES'
127	    sysctl -w net.inet.ip.accept_sourceroute=1 >/dev/null 2>&1
128    fi
129
130    if [ "X$router_enable" = X"YES" ]; then
131	    echo -n " ${router}";	${router} ${router_flags}
132    fi
133    
134    if [ "X$ipxgateway_enable" = X"YES" ]; then
135	    echo -n ' IPX gateway=YES'
136	    sysctl -w net.ipx.ipx.ipxforwarding=1 >/dev/null 2>&1
137    fi
138    
139    if [ "X$ipxrouted_enable" = X"YES" ]; then
140	    echo -n ' IPXrouted: '
141	    IPXrouted ${ipxrouted_flags} > /dev/null 2>&1
142    fi
143    
144    if [ "X$arpproxy_all" = X"YES" ]; then
145	    echo -n ' enabling ARP_PROXY_ALL: '
146	    sysctl -w net.link.ether.inet.proxyall=1 2>&1
147    fi
148    echo '.'
149    network_pass1_done=YES	# Let future generations know we made it.
150}
151
152network_pass2() {
153    echo -n 'Doing additional network setup:'
154    if [ "X${named_enable}" = X"YES" ]; then
155	    echo -n ' named';		${named_program-"named"} ${named_flags}
156    fi
157
158    if [ "X${ntpdate_enable}" = X"YES" ]; then
159	    echo -n ' ntpdate';	ntpdate ${ntpdate_flags} >/dev/null 2>&1
160    fi
161
162    if [ "X${xntpd_enable}" = X"YES" ]; then
163	    echo -n ' xntpd';	xntpd ${xntpd_flags}
164    fi
165
166    if [ "X${timed_enable}" = X"YES" ]; then
167	    echo -n ' timed';		timed ${timed_flags}
168    fi
169
170    if [ "X${portmap_enable}" = X"YES" ]; then
171	    echo -n ' portmap';		portmap ${portmap_flags}
172    fi
173
174    # Start ypserv if we're an NIS server.
175    # Run rpc.ypxfrd and rpc.yppasswdd only on the NIS master server.
176    if [ "X${nis_server_enable}" = X"YES" ]; then
177	    echo -n ' ypserv'; ypserv ${nis_server_flags}
178	    
179	    if [ "X${nis_ypxfrd_enable}" = X"YES" ]; then
180		    echo -n ' rpc.ypxfrd'; rpc.ypxfrd ${nis_ypxfrd_flags}
181	    fi
182	    
183	    if [ "X${nis_yppasswdd_enable}" = X"YES" ]; then
184		    echo -n ' rpc.yppasswdd'; rpc.yppasswdd ${nis_yppasswdd_flags}
185	    fi
186    fi
187
188    # Start ypbind if we're an NIS client
189    if [ "X${nis_client_enable}" = X"YES" ]; then
190	    echo -n ' ypbind'; ypbind ${nis_client_flags}
191	    if [ "X${nis_ypset_enable}" = X"YES" ]; then
192		    echo -n ' ypset'; ypset ${nis_ypset_flags}
193	    fi
194    fi
195
196    echo '.'
197    network_pass2_done=YES
198}
199
200network_pass3() {
201    echo -n 'Starting final network daemons:'
202
203    if [ "X${nfs_server_enable}" = X"YES" -a -r /etc/exports ]; then
204	    echo -n ' mountd'
205	    if [ "X${weak_mountd_authentication}" = X"YES" ]; then
206		    mountd_flags="-n"
207	    fi
208	    mountd ${mountd_flags}
209	    if [ "X${nfs_reserved_port_only}" = X"YES" ]; then
210		    echo -n ' nfsprivport=YES'
211		    sysctl -w vfs.nfs.nfs_privport=1 >/dev/null 2>&1
212	    fi
213	    echo -n ' nfsd';		nfsd ${nfs_server_flags}
214	    if [ "X$rpc_lockd_enable" = X"YES" ]; then
215		echo -n ' rpc.lockd';		rpc.lockd
216	    fi
217	    if [ "X$rpc_statd_enable" = X"YES" ]; then
218		echo -n ' rpc.statd';		rpc.statd
219	    fi
220    fi
221    
222    if [ "X${nfs_client_enable}" = X"YES" ]; then
223	    echo -n ' nfsiod';		nfsiod ${nfs_client_flags}
224    fi
225
226    if [ "X${amd_enable}" = X"YES" ]; then
227	    echo -n ' amd'
228	    amd -p ${amd_flags} > /var/run/amd.pid 2> /dev/null
229    fi
230
231    if [ "X${rwhod_enable}" = X"YES" ]; then
232	    echo -n ' rwhod';	rwhod
233    fi
234
235    # Kerberos runs ONLY on the Kerberos server machine
236    if [ "X${kerberos_server_enable}" = X"YES" ]; then
237	    if [ "X${kerberos_stash}" = "XYES" ]; then
238		stash_flag=-n
239	    else
240		stash_flag=
241	    fi
242	    echo -n ' kerberos'; \
243		kerberos ${stash_flags} >> /var/log/kerberos.log &
244	    if [ "X${kadmind_server_enable}" = "XYES" ]; then
245		echo -n ' kadmind'; \
246		(sleep 20; kadmind ${stash_flags} >/dev/null 2>&1 &) &
247	    fi
248	    unset stash_flag
249    fi
250    
251    # IP multicast routing daemon
252    if [ "X${mrouted_enable}" = X"YES" ]; then
253	    echo -n ' mrouted'; mrouted ${mrouted_flags}
254    fi
255    echo '.'
256    network_pass3_done=YES
257}
258