defaultroute revision 51209
1#!/bin/sh -
2#
3# $FreeBSD: head/etc/rc.d/routing 51209 1999-09-12 17:22:08Z des $
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 "${nisdomainname}" != "NO" ] ; then
23	    domainname ${nisdomainname}
24	    echo -n ' domain'
25    fi
26    echo '.'
27
28    # Initial ATM interface configuration
29    if [ "${atm_enable}" = "YES" -a -f /etc/rc.atm ]; then
30	    . /etc/rc.atm
31	    atm_pass1
32    fi
33
34    # ISDN subsystem startup
35    if [ "${isdn_enable}" = "YES" -a -f /etc/rc.isdn ]; then
36	    . /etc/rc.isdn
37    fi
38
39    # Special options for sppp(4) interfaces go here.  These need
40    # to go _before_ the general ifconfig section, since in the case
41    # of hardwired (no link1 flag) but required authentication, you
42    # cannot pass auth parameters down to the already running interface.
43    for ifn in ${sppp_interfaces}; do
44	    eval spppcontrol_args=\$spppconfig_${ifn}
45	    if [ -n "${spppcontrol_args}" ] ; then
46		    # The auth secrets might contain spaces; in order
47		    # to retain the quotation, we need to eval them
48		    # here.
49		    eval spppcontrol ${ifn} ${spppcontrol_args}
50	    fi
51    done
52
53    # Set up all the network interfaces, calling startup scripts if needed
54    if [ "${network_interfaces}" = "auto" ]; then
55	    network_interfaces="`ifconfig -l`"
56    fi
57    for ifn in ${network_interfaces}; do
58	    showstat=false
59	    if [ -e /etc/start_if.${ifn} ]; then
60		    . /etc/start_if.${ifn}
61		    showstat=true
62	    fi
63	    # Do the primary ifconfig if specified
64	    eval ifconfig_args=\$ifconfig_${ifn}
65	    if [ -n "${ifconfig_args}" ] ; then
66		    # See if we are using DHCP
67		    if [ "${ifconfig_args}" = "DHCP" ]; then
68			     ${dhcp_program} ${dhcp_flags} ${ifn}
69		    else
70			     ifconfig ${ifn} ${ifconfig_args}
71		    fi
72		    showstat=true
73	    fi
74	    # Check to see if aliases need to be added
75	    alias=0
76	    while :
77	    do
78		    eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
79		    if [ -n "${ifconfig_args}" ]; then
80			    ifconfig ${ifn} ${ifconfig_args} alias
81			    showstat=true
82			    alias=`expr ${alias} + 1`
83		    else
84			    break;
85		    fi
86	    done
87	    # Do ipx address if specified
88	    eval ifconfig_args=\$ifconfig_${ifn}_ipx
89	    if [ -n "${ifconfig_args}" ]; then
90		    ifconfig ${ifn} ${ifconfig_args}
91		    showstat=true
92	    fi
93	    if [ "${showstat}" = "true" ]
94	    then
95		    ifconfig ${ifn}
96	    fi
97    done
98
99    # Warm up user ppp if required, must happen before natd.
100    if [ "${ppp_enable}" = "YES" ]; then
101	    # Establish ppp mode.
102	    if [ "${ppp_mode}" != "ddial" -a "${ppp_mode}" != "direct" \
103		-a "${ppp_mode}" != "dedicated" \
104		-a "${ppp_mode}" != "background" ]; then
105	        ppp_mode="auto";
106	    fi
107	    ppp_command="-${ppp_mode} ";
108
109	    # Switch on alias mode?
110	    if [ "${ppp_nat}" = "YES" ]; then
111		ppp_command="${ppp_command} -nat";
112	    fi
113
114	    echo -n 'Starting ppp: '; ppp ${ppp_command} -quiet ${ppp_profile}
115    fi
116
117    # Initialize IP filtering using ipfw
118    echo ""
119    /sbin/ipfw -q flush > /dev/null 2>&1
120    if [ $? = 0 ] ; then
121	firewall_in_kernel=1
122    else 
123	firewall_in_kernel=0
124    fi
125
126    if [ ${firewall_in_kernel} = 0 -a "${firewall_enable}"  = "YES" ] ; then
127	if kldload ipfw; then
128		firewall_in_kernel=1		# module loaded successfully
129		echo "Kernel firewall module loaded."
130	else
131		echo "Warning: firewall kernel module failed to load."
132	fi
133    fi
134
135    # Load the filters if required
136    if [ ${firewall_in_kernel} = 1 ]; then
137	if [ -z "${firewall_script}" ] ; then
138	    firewall_script="/etc/rc.firewall"
139	fi
140	if [ -f ${firewall_script} -a "${firewall_enable}" = "YES" ]; then
141	    . ${firewall_script}
142	    echo -n 'Firewall rules loaded, starting divert daemons:'
143
144	    # Network Address Translation daemon
145	    if [ "${natd_enable}" = "YES" -a -n "${natd_interface}" ]; then
146		if echo ${natd_interface} | \
147		    grep -q -E '^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$'; then
148		    natd_ifarg="-a ${natd_interface}"
149		else
150		    natd_ifarg="-n ${natd_interface}"
151		fi
152		echo -n ' natd'; ${natd_program} ${natd_flags} ${natd_ifarg}
153	    fi
154	    echo '.'
155	else
156	    IPFW_DEFAULT=`ipfw l 65535`
157	    if [ "${IPFW_DEFAULT}" = "65535 deny ip from any to any" ]; then
158		echo -n "Warning: kernel has firewall functionality, "
159		echo "but firewall rules are not enabled."
160		echo "         All ip services are disabled."
161	    fi
162	fi
163    fi
164
165    # Additional ATM interface configuration
166    if [ -n "${atm_pass1_done}" ]; then
167	    atm_pass2
168    fi
169
170    # Configure routing
171
172    if [ "${defaultrouter}" != "NO" ] ; then
173	    static_routes="default ${static_routes}"
174	    route_default="default ${defaultrouter}"
175    fi
176    
177    # Set up any static routes.  This should be done before router discovery.
178    if [ -n "${static_routes}" ]; then
179	    for i in ${static_routes}; do
180		    eval route_args=\$route_${i}
181		    route add ${route_args}
182	    done
183    fi
184
185    echo -n 'Additional routing options:'
186    if [ -n "${tcp_extensions}" -a "${tcp_extensions}" != "YES" ] ; then
187	    echo -n ' tcp extensions=NO'
188	    sysctl -w net.inet.tcp.rfc1323=0 >/dev/null
189    fi
190
191    if [ -n "${log_in_vain}" -a "${log_in_vain}" != "NO" ] ; then
192	    echo -n ' log_in_vain=YES'
193	    sysctl -w net.inet.tcp.log_in_vain=1 >/dev/null
194	    sysctl -w net.inet.udp.log_in_vain=1 >/dev/null
195    fi
196
197    if [ "${icmp_bmcastecho}" = "YES" ]; then
198	    echo -n ' broadcast ping responses=YES'
199	    sysctl -w net.inet.icmp.bmcastecho=1 >/dev/null
200    fi
201    
202    if [ "${icmp_drop_redirect}" = "YES" ]; then
203	    echo -n ' ignore ICMP redirect=YES'
204	    sysctl -w net.inet.icmp.drop_redirect=1 >/dev/null
205    fi
206    
207    if [ "${icmp_log_redirect}" = "YES" ]; then
208	    echo -n ' log ICMP redirect=YES'
209	    sysctl -w net.inet.icmp.log_redirect=1 >/dev/null
210    fi
211
212    if [ "${gateway_enable}" = "YES" ]; then
213	    echo -n ' IP gateway=YES'
214	    sysctl -w net.inet.ip.forwarding=1 >/dev/null
215    fi
216    
217    if [ "${forward_sourceroute}" = "YES" ]; then
218	    echo -n ' do source routing=YES'
219	    sysctl -w net.inet.ip.sourceroute=1 >/dev/null
220    fi
221
222    if [ "${accept_sourceroute}" = "YES" ]; then
223	    echo -n ' accept source routing=YES'
224	    sysctl -w net.inet.ip.accept_sourceroute=1 >/dev/null
225    fi
226
227    if [ "${tcp_keepalive}" = "YES" ]; then
228	    echo -n ' TCP keepalive=YES'
229	    sysctl -w net.inet.tcp.always_keepalive=1 >/dev/null
230    fi
231
232    if [ "X$tcp_restrict_rst" = X"YES" ]; then
233	    echo -n ' restrict TCP reset=YES'
234	    sysctl -w net.inet.tcp.restrict_rst=1 >/dev/null
235    fi
236
237    if [ "X$tcp_drop_synfin" = X"YES" ]; then
238	    echo -n ' drop SYN+FIN packets=YES'
239	    sysctl -w net.inet.tcp.drop_synfin=1 >/dev/null
240    fi
241
242    if [ "${ipxgateway_enable}" = "YES" ]; then
243	    echo -n ' IPX gateway=YES'
244	    sysctl -w net.ipx.ipx.ipxforwarding=1 >/dev/null
245    fi
246    
247    if [ "${arpproxy_all}" = "YES" ]; then
248	    echo -n ' ARP proxyall=YES'
249	    sysctl -w net.link.ether.inet.proxyall=1 >/dev/null
250    fi
251    echo '.'
252
253    echo -n 'routing daemons:'
254    if [ "${router_enable}" = "YES" ]; then
255	    echo -n " ${router}";	${router} ${router_flags}
256    fi
257    
258    if [ "${ipxrouted_enable}" = "YES" ]; then
259	    echo -n ' IPXrouted'
260	    IPXrouted ${ipxrouted_flags} > /dev/null 2>&1
261    fi
262    
263    if [ "${mrouted_enable}" = "YES" ]; then
264	    echo -n ' mrouted'; mrouted ${mrouted_flags}
265    fi
266
267    if [ "${rarpd_enable}" = "YES" ]; then
268	    echo -n ' rarpd';     rarpd ${rarpd_flags}
269    fi
270    echo '.'
271    network_pass1_done=YES	# Let future generations know we made it.
272}
273
274network_pass2() {
275    echo -n 'Doing additional network setup:'
276    if [ "${named_enable}" = "YES" ]; then
277	    echo -n ' named';		${named_program-"named"} ${named_flags}
278    fi
279
280    if [ "${ntpdate_enable}" = "YES" ]; then
281	    echo -n ' ntpdate';	${ntpdate_program} ${ntpdate_flags} >/dev/null 2>&1
282    fi
283
284    if [ "${xntpd_enable}" = "YES" ]; then
285	    echo -n ' xntpd';	${xntpd_program} ${xntpd_flags}
286    fi
287
288    if [ "${timed_enable}" = "YES" ]; then
289	    echo -n ' timed';		timed ${timed_flags}
290    fi
291
292    if [ "${portmap_enable}" = "YES" ]; then
293	    echo -n ' portmap';		${portmap_program} ${portmap_flags}
294    fi
295
296    # Start ypserv if we're an NIS server.
297    # Run rpc.ypxfrd and rpc.yppasswdd only on the NIS master server.
298    if [ "${nis_server_enable}" = "YES" ]; then
299	    echo -n ' ypserv'; ypserv ${nis_server_flags}
300	    
301	    if [ "${nis_ypxfrd_enable}" = "YES" ]; then
302		    echo -n ' rpc.ypxfrd'; rpc.ypxfrd ${nis_ypxfrd_flags}
303	    fi
304	    
305	    if [ "${nis_yppasswdd_enable}" = "YES" ]; then
306		    echo -n ' rpc.yppasswdd'; rpc.yppasswdd ${nis_yppasswdd_flags}
307	    fi
308    fi
309
310    # Start ypbind if we're an NIS client
311    if [ "${nis_client_enable}" = "YES" ]; then
312	    echo -n ' ypbind'; ypbind ${nis_client_flags}
313	    if [ "${nis_ypset_enable}" = "YES" ]; then
314		    echo -n ' ypset'; ypset ${nis_ypset_flags}
315	    fi
316    fi
317
318    # Start keyserv if we are running Secure RPC
319    if [ "${keyserv_enable}" = "YES" ]; then
320	    echo -n ' keyserv';		keyserv ${keyserv_flags}
321    fi
322    # Start ypupdated if we are running Secure RPC and we are NIS master
323    if [ "${rpc_ypupdated_enable}" = "YES" ]; then
324	    echo -n ' rpc.ypupdated';	rpc.ypupdated
325    fi
326
327    # Start ATM daemons
328    if [ -n "${atm_pass2_done}" ]; then
329	    atm_pass3
330    fi
331
332    echo '.'
333    network_pass2_done=YES
334}
335
336network_pass3() {
337    echo -n 'Starting final network daemons:'
338
339    if [ "${nfs_server_enable}" = "YES" -a -r /etc/exports ]; then
340	    echo -n ' mountd'
341	    if [ "${weak_mountd_authentication}" = "YES" ]; then
342		    mountd_flags="-n"
343	    fi
344	    mountd ${mountd_flags}
345	    if [ "${nfs_reserved_port_only}" = "YES" ]; then
346		    echo -n ' NFS on reserved port only=YES'
347		    sysctl -w vfs.nfs.nfs_privport=1 >/dev/null
348	    fi
349	    echo -n ' nfsd';		nfsd ${nfs_server_flags}
350	    if [ "${rpc_lockd_enable}" = "YES" ]; then
351		echo -n ' rpc.lockd';		rpc.lockd
352	    fi
353	    if [ "${rpc_statd_enable}" = "YES" ]; then
354		echo -n ' rpc.statd';		rpc.statd
355	    fi
356    fi
357    
358    if [ "${nfs_client_enable}" = "YES" ]; then
359	    echo -n ' nfsiod';		nfsiod ${nfs_client_flags}
360	    if [ "${nfs_access_cache}" != "X" ]; then
361		echo -n " NFS access cache time=${nfs_access_cache}"
362		sysctl -w vfs.nfs.access_cache_timeout=${nfs_access_cache} \
363		    >/dev/null
364	    fi
365    fi
366
367    if [ "${amd_enable}" = "YES" ]; then
368	    echo -n ' amd'
369	    if [ "${amd_map_program}" != "NO" ]; then
370		amd_flags="${amd_flags} `eval ${amd_map_program}`"
371	    fi
372	    if [ -n "${amd_flags}" ]
373	    then
374	      amd -p ${amd_flags} > /var/run/amd.pid 2> /dev/null
375	    else
376	      amd 2> /dev/null
377	    fi
378    fi
379
380    if [ "${rwhod_enable}" = "YES" ]; then
381	    echo -n ' rwhod';	rwhod ${rwhod_flags}
382    fi
383
384    # Kerberos runs ONLY on the Kerberos server machine
385    if [ "${kerberos_server_enable}" = "YES" ]; then
386	    if [ "${kerberos_stash}" = "YES" ]; then
387		stash_flag=-n
388	    else
389		stash_flag=
390	    fi
391	    echo -n ' kerberos'; \
392		kerberos ${stash_flag} >> /var/log/kerberos.log &
393	    if [ "${kadmind_server_enable}" = "YES" ]; then
394		echo -n ' kadmind'; \
395		(sleep 20; kadmind ${stash_flag} >/dev/null 2>&1 &) &
396	    fi
397	    unset stash_flag
398    fi
399    
400    echo '.'
401    network_pass3_done=YES
402}
403