1 #!/bin/sh /etc/rc.common
2 # Copyright (C) 2007 OpenWrt.org
11 while [ -n "$ip" ]; do
14 res="$(($res + $part))"
15 [ "${ip%.*}" != "$ip" ] && ip="${ip#*.}" || ip=
25 config_get_bool _loctmp "$section" "$option"
26 [ "$_loctmp" -gt 0 ] && append args "$value"
34 config_get _loctmp "$section" "$option"
35 [ -z "$_loctmp" ] && return 0
36 append args "$switch $_loctmp"
49 append_bool "$cfg" authoritative "-K"
50 append_bool "$cfg" nodaemon "-d"
51 append_bool "$cfg" domainneeded "-D"
52 append_bool "$cfg" filterwin2k "-f"
53 append_bool "$cfg" nohosts "-h"
54 append_bool "$cfg" nonegcache "-N"
55 append_bool "$cfg" strictorder "-o"
56 append_bool "$cfg" logqueries "-q"
57 append_bool "$cfg" noresolv "-R"
58 append_bool "$cfg" localise_queries "-y"
59 append_bool "$cfg" readethers "-Z"
60 append_bool "$cfg" dbus "-1"
61 append_bool "$cfg" boguspriv "-b"
62 append_bool "$cfg" expandhosts "-E"
63 append_bool "$cfg" enable_tftp "--enable-tftp"
64 append_bool "$cfg" nonwildcard "-z"
66 append_parm "$cfg" dnsforwardmax "-0"
67 append_parm "$cfg" port "-p"
68 append_parm "$cfg" ednspacket_max "-P"
69 append_parm "$cfg" dhcpleasemax "-X"
70 append_parm "$cfg" "addnhosts" "-H"
71 append_parm "$cfg" "queryport" "-Q"
72 append_parm "$cfg" "domain" "-s"
73 append_parm "$cfg" "local" "-S"
74 config_list_foreach "$cfg" "server" append_server
75 config_list_foreach "$cfg" "interface" append_interface
76 append_parm "$cfg" "leasefile" "-l"
77 append_parm "$cfg" "resolvfile" "-r"
78 append_parm "$cfg" "tftp_root" "--tftp-root"
79 append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
81 config_get leasefile $cfg leasefile
82 [ -e "$leasefile" ] || touch "$leasefile"
83 config_get_bool cachelocal "$cfg" cachelocal 1
89 config_get name "$cfg" name
90 [ -n "$name" ] || return 0
92 config_get subscriberid "$cfg" subscriberid
93 [ -n "$subscriberid" ] || return 0
95 append args "--dhcp-subscrid=$name,$subscriberid"
97 dhcp_option_add "$cfg" "$name"
100 dhcp_remoteid_add() {
103 config_get name "$cfg" name
104 [ -n "$name" ] || return 0
106 config_get remoteid "$cfg" remoteid
107 [ -n "$remoteid" ] || return 0
109 append args "--dhcp-remoteid=$name,$remoteid"
111 dhcp_option_add "$cfg" "$name"
114 dhcp_circuitid_add() {
117 config_get name "$cfg" name
118 [ -n "$name" ] || return 0
120 config_get circuitid "$cfg" circuitid
121 [ -n "$circuitid" ] || return 0
123 append args "--dhcp-circuitid=$name,$circuitid"
125 dhcp_option_add "$cfg" "$name"
128 dhcp_userclass_add() {
131 config_get name "$cfg" name
132 [ -n "$name" ] || return 0
134 config_get userclass "$cfg" userclass
135 [ -n "$userclass" ] || return 0
137 append args "--dhcp-userclass=$name,$userclass"
139 dhcp_option_add "$cfg" "$name"
142 dhcp_vendorclass_add() {
145 config_get name "$cfg" name
146 [ -n "$name" ] || return 0
148 config_get vendorclass "$cfg" vendorclass
149 [ -n "$vendorclass" ] || return 0
151 append args "--dhcp-vendorclass=$name,$vendorclass"
153 dhcp_option_add "$cfg" "$name"
159 config_get name "$cfg" name
160 [ -n "$name" ] || return 0
162 config_get mac "$cfg" mac
163 [ -n "$mac" ] || return 0
165 config_get ip "$cfg" ip
166 [ -n "$ip" ] || return 0
168 append args "--dhcp-host=$mac,$ip"
170 dhcp_option_add "$cfg" "$name"
176 config_get name "$cfg" name
177 [ -n "$name" ] || return 0
179 config_get mac "$cfg" mac
180 [ -n "$mac" ] || return 0
182 append args "--dhcp-mac=$name,$mac"
184 dhcp_option_add "$cfg" "$name"
190 config_get name "$cfg" name
192 config_get filename "$cfg" filename
193 [ -n "$filename" ] || return 0
195 config_get servername "$cfg" servername
196 [ -n "$servername" ] || return 0
198 config_get serveraddress "$cfg" serveraddress
199 [ -n "$serveraddress" ] || return 0
201 append args "--dhcp-boot=${name:+net:$name,}$filename,$servername,$serveraddress"
203 dhcp_option_add "$cfg" "$name"
209 config_get net "$cfg" interface
210 [ -n "$net" ] || return 0
212 config_get name "$cfg" name
213 [ -n "$name" ] || name="$net"
215 config_get ifname "$net" ifname
216 [ -n "$ifname" ] || return 0
218 config_get dnsserver "$net" dns
219 [ "$cachelocal" = "0" -a -n "$dnsserver" ] && {
220 DNS_SERVERS="$DNS_SERVERS $dnsserver"
223 append_bool "$cfg" ignore "-2 $ifname" && return 0
225 config_get proto "$net" proto
226 [ static = "$proto" ] || return 0
228 config_get ipaddr "$net" ipaddr
229 config_get netmask "$cfg" netmask
230 [ -n "$netmask" ] || config_get netmask "$net" netmask
232 #check for an already active dhcp server on the interface, unless 'force' is set
233 config_get_bool force "$cfg" force 0
234 [ "$force" -gt 0 ] || {
235 udhcpc -n -q -s /bin/true -t 1 -i $ifname >&- && return 0
238 config_get start "$cfg" start
239 config_get limit "$cfg" limit
240 config_get leasetime "$cfg" leasetime
241 config_get options "$cfg" options
242 config_get_bool dynamicdhcp "$cfg" dynamicdhcp 1
244 leasetime="${leasetime:-12h}"
245 start="$(dhcp_calc "${start:-100}")"
246 limit="$((${limit:-150} + 1))"
247 eval "$(ipcalc.sh $ipaddr $netmask $start $limit)"
248 if [ "$dynamicdhcp" = "0" ]; then END="static"; fi
249 append args "--dhcp-range=$name,$START,$END,$NETMASK,$leasetime${options:+ $options}"
251 dhcp_option_add "$cfg" "$name"
258 config_get dhcp_option "$cfg" dhcp_option
259 for o in $dhcp_option; do
260 append args "-O $name","$o"
271 config_foreach dnsmasq dnsmasq
272 config_foreach dhcp_host_add host
273 config_foreach dhcp_boot_add boot
274 config_foreach dhcp_mac_add mac
275 config_foreach dhcp_vendorclass_add vendorclass
276 config_foreach dhcp_userclass_add userclass
277 config_foreach dhcp_circuitid_add circuitid
278 config_foreach dhcp_remoteid_add remoteid
279 config_foreach dhcp_subscrid_add subscrid
280 config_foreach dhcp_add dhcp
282 /usr/sbin/dnsmasq $args && {
283 rm -f /tmp/resolv.conf
284 DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
285 for DNS_SERVER in $DNS_SERVERS ; do
286 echo "nameserver $DNS_SERVER" >> /tmp/resolv.conf
292 [ -f /tmp/resolv.conf ] && {
293 rm -f /tmp/resolv.conf
294 ln -s /tmp/resolv.conf.auto /tmp/resolv.conf