1 #!/bin/sh /etc/rc.common
2 # Copyright (C) 2007 OpenWrt.org
12 while [ -n "$ip" ]; do
15 res="$(($res + $part))"
16 [ "${ip%.*}" != "$ip" ] && ip="${ip#*.}" || ip=
26 config_get_bool _loctmp "$section" "$option" 0
27 [ $_loctmp -gt 0 ] && append args "$value"
35 config_get _loctmp "$section" "$option"
36 [ -z "$_loctmp" ] && return 0
37 append args "$switch $_loctmp"
45 local ifname=$(uci_get_state network "$1" ifname "$1")
46 append args "-i $ifname"
49 append_notinterface() {
50 local ifname=$(uci_get_state network "$1" ifname "$1")
51 append args "-I $ifname"
60 append_bool "$cfg" authoritative "-K"
61 append_bool "$cfg" nodaemon "-d"
62 append_bool "$cfg" domainneeded "-D"
63 append_bool "$cfg" filterwin2k "-f"
64 append_bool "$cfg" nohosts "-h"
65 append_bool "$cfg" nonegcache "-N"
66 append_bool "$cfg" strictorder "-o"
67 append_bool "$cfg" logqueries "-q"
68 append_bool "$cfg" noresolv "-R"
69 append_bool "$cfg" localise_queries "-y"
70 append_bool "$cfg" readethers "-Z"
71 append_bool "$cfg" dbus "-1"
72 append_bool "$cfg" boguspriv "-b"
73 append_bool "$cfg" expandhosts "-E"
74 append_bool "$cfg" enable_tftp "--enable-tftp"
75 append_bool "$cfg" nonwildcard "-z"
77 append_parm "$cfg" cachesize "-c"
78 append_parm "$cfg" dnsforwardmax "-0"
79 append_parm "$cfg" port "-p"
80 append_parm "$cfg" ednspacket_max "-P"
81 append_parm "$cfg" dhcpleasemax "-X"
82 append_parm "$cfg" "queryport" "-Q"
83 append_parm "$cfg" "domain" "-s"
84 append_parm "$cfg" "local" "-S"
85 config_list_foreach "$cfg" "server" append_server
86 config_list_foreach "$cfg" "interface" append_interface
87 config_list_foreach "$cfg" "notinterface" append_notinterface
88 config_list_foreach "$cfg" "addnhosts" append_addnhosts
89 append_parm "$cfg" "leasefile" "-l"
90 append_parm "$cfg" "resolvfile" "-r"
91 append_parm "$cfg" "tftp_root" "--tftp-root"
92 append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
94 config_get DOMAIN "$cfg" domain
96 config_get_bool readethers "$cfg" readethers
97 [ "$readethers" = "1" ] && [ -e "/etc/ethers" ] || touch /etc/ethers
99 config_get leasefile $cfg leasefile
100 [ -n "$leasefile" ] && ([ -e "$leasefile" ] || touch "$leasefile")
101 config_get_bool cachelocal "$cfg" cachelocal 1
103 config_get hostsfile "$cfg" dhcphostsfile
104 [ -e "$hostsfile" ] && append args "--dhcp-hostsfile=$hostsfile"
107 config_get_bool rebind "$cfg" rebind_protection 1
108 [ $rebind -gt 0 ] && {
110 "DNS rebinding protection is active," \
111 "will discard upstream RFC1918 responses!"
112 append args "--stop-dns-rebind"
114 local rebind_localhost
115 config_get_bool rebind_localhost "$cfg" rebind_localhost 0
116 [ $rebind_localhost -gt 0 ] && {
117 logger -t dnsmasq "Allowing 127.0.0.0/8 responses"
118 append args "--rebind-localhost-ok"
121 append_rebind_domain() {
122 logger -t dnsmasq "Allowing RFC1918 responses for domain $1"
123 append args "--rebind-domain-ok=$1"
126 config_list_foreach "$cfg" rebind_domain append_rebind_domain
130 dhcp_subscrid_add() {
133 config_get networkid "$cfg" networkid
134 [ -n "$networkid" ] || return 0
136 config_get subscriberid "$cfg" subscriberid
137 [ -n "$subscriberid" ] || return 0
139 append args "--dhcp-subscrid=$networkid,$subscriberid"
141 dhcp_option_add "$cfg" "$networkid"
144 dhcp_remoteid_add() {
147 config_get networkid "$cfg" networkid
148 [ -n "$networkid" ] || return 0
150 config_get remoteid "$cfg" remoteid
151 [ -n "$remoteid" ] || return 0
153 append args "--dhcp-remoteid=$networkid,$remoteid"
155 dhcp_option_add "$cfg" "$networkid"
158 dhcp_circuitid_add() {
161 config_get networkid "$cfg" networkid
162 [ -n "$networkid" ] || return 0
164 config_get circuitid "$cfg" circuitid
165 [ -n "$circuitid" ] || return 0
167 append args "--dhcp-circuitid=$networkid,$circuitid"
169 dhcp_option_add "$cfg" "$networkid"
172 dhcp_userclass_add() {
175 config_get networkid "$cfg" networkid
176 [ -n "$networkid" ] || return 0
178 config_get userclass "$cfg" userclass
179 [ -n "$userclass" ] || return 0
181 append args "--dhcp-userclass=$networkid,$userclass"
183 dhcp_option_add "$cfg" "$networkid"
186 dhcp_vendorclass_add() {
189 config_get networkid "$cfg" networkid
190 [ -n "$networkid" ] || return 0
192 config_get vendorclass "$cfg" vendorclass
193 [ -n "$vendorclass" ] || return 0
195 append args "--dhcp-vendorclass=$networkid,$vendorclass"
197 dhcp_option_add "$cfg" "$networkid"
203 config_get name "$cfg" name
205 config_get networkid "$cfg" networkid
206 [ -n "$networkid" ] && dhcp_option_add "$cfg" "$networkid"
208 config_get ip "$cfg" ip
209 [ -n "$ip" ] || return 0
212 config_get mac "$cfg" mac
213 for m in $mac; do append macs "$m" ","; done
214 [ -n "$macs" ] || return 0
216 append args "--dhcp-host=$macs,${networkid:+net:$networkid,}$ip${name:+,$name}"
222 config_get networkid "$cfg" networkid
223 [ -n "$networkid" ] || return 0
225 config_get mac "$cfg" mac
226 [ -n "$mac" ] || return 0
228 append args "--dhcp-mac=$networkid,$mac"
230 dhcp_option_add "$cfg" "$networkid"
236 config_get networkid "$cfg" networkid
238 config_get filename "$cfg" filename
239 [ -n "$filename" ] || return 0
241 config_get servername "$cfg" servername
242 [ -n "$servername" ] || return 0
244 config_get serveraddress "$cfg" serveraddress
245 [ -n "$serveraddress" ] || return 0
247 append args "--dhcp-boot=${networkid:+net:$networkid,}$filename,$servername,$serveraddress"
249 dhcp_option_add "$cfg" "$networkid"
255 config_get net "$cfg" interface
256 [ -n "$net" ] || return 0
258 config_get networkid "$cfg" networkid
259 [ -n "$networkid" ] || networkid="$net"
261 config_get ifname "$net" ifname
262 [ -n "$ifname" ] || return 0
264 config_get dnsserver "$net" dns
265 [ "$cachelocal" = "0" -a -n "$dnsserver" ] && {
266 DNS_SERVERS="$DNS_SERVERS $dnsserver"
269 append_bool "$cfg" ignore "-2 '$ifname'" && return 0
271 config_get proto "$net" proto
272 [ static = "$proto" ] || return 0
274 config_get ipaddr "$net" ipaddr
275 config_get netmask "$cfg" netmask
276 [ -n "$netmask" ] || config_get netmask "$net" netmask
278 #check for an already active dhcp server on the interface, unless 'force' is set
279 config_get_bool force "$cfg" force 0
280 [ $force -gt 0 ] || {
281 udhcpc -n -q -s /bin/true -t 1 -i $ifname >&- && return 0
284 config_get start "$cfg" start
285 config_get limit "$cfg" limit
286 config_get leasetime "$cfg" leasetime
287 config_get options "$cfg" options
288 config_get_bool dynamicdhcp "$cfg" dynamicdhcp 1
290 leasetime="${leasetime:-12h}"
291 start="$(dhcp_calc "${start:-100}")"
292 limit="${limit:-150}"
293 eval "$(ipcalc.sh $ipaddr $netmask $start $limit)"
294 if [ "$dynamicdhcp" = "0" ]; then END="static"; fi
295 append args "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"
297 dhcp_option_add "$cfg" "$networkid"
304 config_get dhcp_option "$cfg" dhcp_option
305 for o in $dhcp_option; do
306 append args "-O $networkid","$o"
315 config_get names "$cfg" name
316 [ -n "$names" ] || return 0
318 config_get ip "$cfg" ip
319 [ -n "$ip" ] || return 0
321 local oIFS="$IFS"; IFS="."; set -- $ip; IFS="$oIFS"
322 local raddr="${4:+$4.$3.$2.$1.in-addr.arpa}"
324 for name in $names; do
327 [ "${fqdn%.*}" == "$fqdn" ] && \
328 fqdn="$fqdn${DOMAIN:+.$DOMAIN}"
330 append args "-A /$fqdn/$ip"
333 append args "--ptr-record=$raddr,$fqdn"
342 config_get srv "$cfg" srv
343 [ -n "$srv" ] || return 0
345 config_get target "$cfg" target
346 [ -n "$target" ] || return 0
348 config_get port "$cfg" port
350 local service="$srv,$target"
351 [ -n "$port" ] && service="$service,$port"
353 append args "-W $service"
362 config_foreach dnsmasq dnsmasq
363 config_foreach dhcp_host_add host
364 config_foreach dhcp_boot_add boot
365 config_foreach dhcp_mac_add mac
366 config_foreach dhcp_vendorclass_add vendorclass
367 config_foreach dhcp_userclass_add userclass
368 config_foreach dhcp_circuitid_add circuitid
369 config_foreach dhcp_remoteid_add remoteid
370 config_foreach dhcp_subscrid_add subscrid
371 config_foreach dhcp_domain_add domain
372 config_foreach dhcp_srv_add srvhost
373 config_foreach dhcp_add dhcp
375 /usr/sbin/dnsmasq $args && {
376 rm -f /tmp/resolv.conf
377 [ -n "$DOMAIN" ] && echo "search $DOMAIN" >> /tmp/resolv.conf
378 DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
379 for DNS_SERVER in $DNS_SERVERS ; do
380 echo "nameserver $DNS_SERVER" >> /tmp/resolv.conf
386 [ -f /tmp/resolv.conf ] && {
387 rm -f /tmp/resolv.conf
388 ln -s /tmp/resolv.conf.auto /tmp/resolv.conf