package/network/services/dnsmasq/files/dnsmasq.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2007-2012 OpenWrt.org
   3
   4 START=60
   5
   6 USE_PROCD=1
   7 PROG=/usr/sbin/dnsmasq
   8
   9 DNS_SERVERS=""
  10 DOMAIN=""
  11
  12 ADD_LOCAL_DOMAIN=1
  13 ADD_LOCAL_HOSTNAME=1
  14
  15 CONFIGFILE="/var/etc/dnsmasq.conf"
  16 HOSTFILE="/tmp/hosts/dhcp"
  17 TRUSTANCHORSFILE="/usr/share/dnsmasq/trust-anchors.conf"
  18 TIMESTAMPFILE="/etc/dnsmasq.time"
  19
  20 xappend() {
  21         local value="$1"
  22
  23         echo "${value#--}" >> $CONFIGFILE
  24 }
  25
  26 dhcp_calc() {
  27         local ip="$1"
  28         local res=0
  29
  30         while [ -n "$ip" ]; do
  31                 part="${ip%%.*}"
  32                 res="$(($res * 256))"
  33                 res="$(($res + $part))"
  34                 [ "${ip%.*}" != "$ip" ] && ip="${ip#*.}" || ip=
  35         done
  36         echo "$res"
  37 }
  38
  39 dhcp_check() {
  40         local ifname="$1"
  41         local stamp="/var/run/dnsmasq.$ifname.dhcp"
  42         local rv=0
  43
  44         [ -s "$stamp" ] && return $(cat "$stamp")
  45
  46         udhcpc -n -q -s /bin/true -t 1 -i "$ifname" >&- && rv=1 || rv=0
  47
  48         [ $rv -eq 1 ] && \
  49                 logger -t dnsmasq \
  50                         "found already running DHCP-server on interface '$ifname'" \
  51                         "refusing to start, use 'option force 1' to override"
  52
  53         echo $rv > "$stamp"
  54         return $rv
  55 }
  56
  57 log_once() {
  58         pidof dnsmasq >/dev/null || \
  59                 logger -t dnsmasq "$@"
  60 }
  61
  62 append_bool() {
  63         local section="$1"
  64         local option="$2"
  65         local value="$3"
  66         local _loctmp
  67         config_get_bool _loctmp "$section" "$option" 0
  68         [ $_loctmp -gt 0 ] && xappend "$value"
  69 }
  70
  71 append_parm() {
  72         local section="$1"
  73         local option="$2"
  74         local switch="$3"
  75         local _loctmp
  76         config_get _loctmp "$section" "$option"
  77         [ -z "$_loctmp" ] && return 0
  78         xappend "$switch=$_loctmp"
  79 }
  80
  81 append_server() {
  82         xappend "--server=$1"
  83 }
  84
  85 append_address() {
  86         xappend "--address=$1"
  87 }
  88
  89 append_ipset() {
  90         xappend "--ipset=$1"
  91 }
  92
  93 append_interface() {
  94         local ifname=$(uci_get_state network "$1" ifname "$1")
  95         xappend "--interface=$ifname"
  96 }
  97
  98 append_notinterface() {
  99         local ifname=$(uci_get_state network "$1" ifname "$1")
 100         xappend "--except-interface=$ifname"
 101 }
 102
 103 append_addnhosts() {
 104         xappend "--addn-hosts=$1"
 105 }
 106
 107 append_bogusnxdomain() {
 108         xappend "--bogus-nxdomain=$1"
 109 }
 110
 111 append_pxe_service() {
 112         xappend "--pxe-service=$1"
 113 }
 114
 115 dnsmasq() {
 116         local cfg="$1"
 117         append_bool "$cfg" authoritative "--dhcp-authoritative"
 118         append_bool "$cfg" nodaemon "--no-daemon"
 119         append_bool "$cfg" domainneeded "--domain-needed"
 120         append_bool "$cfg" filterwin2k "--filterwin2k"
 121         append_bool "$cfg" nohosts "--no-hosts"
 122         append_bool "$cfg" nonegcache "--no-negcache"
 123         append_bool "$cfg" strictorder "--strict-order"
 124         append_bool "$cfg" logqueries "--log-queries=extra"
 125         append_bool "$cfg" noresolv "--no-resolv"
 126         append_bool "$cfg" localise_queries "--localise-queries"
 127         append_bool "$cfg" readethers "--read-ethers"
 128         append_bool "$cfg" dbus "--enable-dbus"
 129         append_bool "$cfg" boguspriv "--bogus-priv"
 130         append_bool "$cfg" expandhosts "--expand-hosts"
 131         config_get tftp_root "$cfg" "tftp_root"
 132         [ -d "$tftp_root" ] && append_bool "$cfg" enable_tftp "--enable-tftp"
 133         append_bool "$cfg" tftp_no_fail "--tftp-no-fail"
 134         append_bool "$cfg" nonwildcard "--bind-dynamic"
 135         append_bool "$cfg" fqdn "--dhcp-fqdn"
 136         append_bool "$cfg" proxydnssec "--proxy-dnssec"
 137         append_bool "$cfg" localservice "--local-service"
 138         append_bool "$cfg" quietdhcp "--quiet-dhcp"
 139         append_bool "$cfg" sequential_ip "--dhcp-sequential-ip"
 140         append_bool "$cfg" allservers "--all-servers"
 141         append_bool "$cfg" noping "--no-ping"
 142
 143         append_parm "$cfg" dhcpscript "--dhcp-script"
 144         append_parm "$cfg" cachesize "--cache-size"
 145         append_parm "$cfg" dnsforwardmax "--dns-forward-max"
 146         append_parm "$cfg" port "--port"
 147         append_parm "$cfg" ednspacket_max "--edns-packet-max"
 148         append_parm "$cfg" dhcpleasemax "--dhcp-lease-max"
 149         append_parm "$cfg" "queryport" "--query-port"
 150         append_parm "$cfg" "minport" "--min-port"
 151         append_parm "$cfg" "domain" "--domain"
 152         append_parm "$cfg" "local" "--server"
 153         config_list_foreach "$cfg" "server" append_server
 154         config_list_foreach "$cfg" "address" append_address
 155         config_list_foreach "$cfg" "ipset" append_ipset
 156         config_list_foreach "$cfg" "interface" append_interface
 157         config_list_foreach "$cfg" "notinterface" append_notinterface
 158         config_list_foreach "$cfg" "addnhosts" append_addnhosts
 159         config_list_foreach "$cfg" "bogusnxdomain" append_bogusnxdomain
 160         append_parm "$cfg" "leasefile" "--dhcp-leasefile"
 161         append_parm "$cfg" "resolvfile" "--resolv-file"
 162         append_parm "$cfg" "serversfile" "--servers-file"
 163         append_parm "$cfg" "tftp_root" "--tftp-root"
 164         append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
 165         append_parm "$cfg" "local_ttl" "--local-ttl"
 166         append_parm "$cfg" "pxe_prompt" "--pxe-prompt"
 167         config_list_foreach "$cfg" "pxe_service" append_pxe_service
 168         config_get DOMAIN "$cfg" domain
 169
 170         config_get_bool ADD_LOCAL_DOMAIN "$cfg" add_local_domain 1
 171         config_get_bool ADD_LOCAL_HOSTNAME "$cfg" add_local_hostname 1
 172
 173         config_get_bool readethers "$cfg" readethers
 174         [ "$readethers" = "1" -a \! -e "/etc/ethers" ] && touch /etc/ethers
 175
 176         config_get leasefile $cfg leasefile
 177         [ -n "$leasefile" -a \! -e "$leasefile" ] && touch "$leasefile"
 178         config_get_bool cachelocal "$cfg" cachelocal 1
 179
 180         config_get hostsfile "$cfg" dhcphostsfile
 181         [ -e "$hostsfile" ] && xappend "--dhcp-hostsfile=$hostsfile"
 182
 183         local rebind
 184         config_get_bool rebind "$cfg" rebind_protection 1
 185         [ $rebind -gt 0 ] && {
 186                 log_once \
 187                         "DNS rebinding protection is active," \
 188                         "will discard upstream RFC1918 responses!"
 189                 xappend "--stop-dns-rebind"
 190
 191                 local rebind_localhost
 192                 config_get_bool rebind_localhost "$cfg" rebind_localhost 0
 193                 [ $rebind_localhost -gt 0 ] && {
 194                         log_once "Allowing 127.0.0.0/8 responses"
 195                         xappend "--rebind-localhost-ok"
 196                 }
 197
 198                 append_rebind_domain() {
 199                         log_once "Allowing RFC1918 responses for domain $1"
 200                         xappend "--rebind-domain-ok=$1"
 201                 }
 202
 203                 config_list_foreach "$cfg" rebind_domain append_rebind_domain
 204         }
 205
 206         config_get_bool dnssec "$cfg" dnssec 0
 207         [ "$dnssec" -gt 0 ] && {
 208                 xappend "--conf-file=$TRUSTANCHORSFILE"
 209                 xappend "--dnssec"
 210                 xappend "--dnssec-timestamp=$TIMESTAMPFILE"
 211                 append_bool "$cfg" dnsseccheckunsigned "--dnssec-check-unsigned"
 212         }
 213
 214         dhcp_option_add "$cfg" "" 0
 215
 216         xappend "--dhcp-broadcast=tag:needs-broadcast"
 217
 218         mkdir -p /tmp/hosts /tmp/dnsmasq.d
 219         xappend "--addn-hosts=/tmp/hosts"
 220         xappend "--conf-dir=/tmp/dnsmasq.d"
 221
 222         echo >> $CONFIGFILE
 223
 224         config_get_bool enable_tftp "$cfg" enable_tftp 0
 225         [ "$enable_tftp" -gt 0 ] && {
 226                 config_get tftp_root "$cfg" tftp_root
 227                 append EXTRA_MOUNT $tftp_root
 228         }
 229 }
 230
 231 dhcp_subscrid_add() {
 232         local cfg="$1"
 233
 234         config_get networkid "$cfg" networkid
 235         [ -n "$networkid" ] || return 0
 236
 237         config_get subscriberid "$cfg" subscriberid
 238         [ -n "$subscriberid" ] || return 0
 239
 240         xappend "--dhcp-subscrid=$networkid,$subscriberid"
 241
 242         config_get_bool force "$cfg" force 0
 243
 244         dhcp_option_add "$cfg" "$networkid" "$force"
 245 }
 246
 247 dhcp_remoteid_add() {
 248         local cfg="$1"
 249
 250         config_get networkid "$cfg" networkid
 251         [ -n "$networkid" ] || return 0
 252
 253         config_get remoteid "$cfg" remoteid
 254         [ -n "$remoteid" ] || return 0
 255
 256         xappend "--dhcp-remoteid=$networkid,$remoteid"
 257
 258         config_get_bool force "$cfg" force 0
 259
 260         dhcp_option_add "$cfg" "$networkid" "$force"
 261 }
 262
 263 dhcp_circuitid_add() {
 264         local cfg="$1"
 265
 266         config_get networkid "$cfg" networkid
 267         [ -n "$networkid" ] || return 0
 268
 269         config_get circuitid "$cfg" circuitid
 270         [ -n "$circuitid" ] || return 0
 271
 272         xappend "--dhcp-circuitid=$networkid,$circuitid"
 273
 274         config_get_bool force "$cfg" force 0
 275
 276         dhcp_option_add "$cfg" "$networkid" "$force"
 277 }
 278
 279 dhcp_userclass_add() {
 280         local cfg="$1"
 281
 282         config_get networkid "$cfg" networkid
 283         [ -n "$networkid" ] || return 0
 284
 285         config_get userclass "$cfg" userclass
 286         [ -n "$userclass" ] || return 0
 287
 288         xappend "--dhcp-userclass=$networkid,$userclass"
 289
 290         config_get_bool force "$cfg" force 0
 291
 292         dhcp_option_add "$cfg" "$networkid" "$force"
 293 }
 294
 295 dhcp_vendorclass_add() {
 296         local cfg="$1"
 297
 298         config_get networkid "$cfg" networkid
 299         [ -n "$networkid" ] || return 0
 300
 301         config_get vendorclass "$cfg" vendorclass
 302         [ -n "$vendorclass" ] || return 0
 303
 304         xappend "--dhcp-vendorclass=$networkid,$vendorclass"
 305
 306         config_get_bool force "$cfg" force 0
 307
 308         dhcp_option_add "$cfg" "$networkid" "$force"
 309 }
 310
 311 dhcp_host_add() {
 312         local cfg="$1"
 313
 314         config_get_bool force "$cfg" force 0
 315
 316         config_get networkid "$cfg" networkid
 317         [ -n "$networkid" ] && dhcp_option_add "$cfg" "$networkid" "$force"
 318
 319         config_get_bool enable "$cfg" enable 1
 320         [ "$enable" = "0" ] && return 0
 321
 322         config_get name "$cfg" name
 323         config_get ip "$cfg" ip
 324         [ -n "$ip" -o -n "$name" ] || return 0
 325
 326         config_get_bool dns "$cfg" dns 0
 327         [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
 328                 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
 329         }
 330
 331         config_get mac "$cfg" mac
 332         if [ -n "$mac" ]; then
 333                 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
 334                 macs=""
 335                 for m in $mac; do append macs "$m" ","; done
 336         else
 337                 # --dhcp-host=lap,192.168.0.199
 338                 [ -n "$name" ] || return 0
 339                 macs="$name"
 340                 name=""
 341         fi
 342
 343         config_get tag "$cfg" tag
 344
 345         config_get_bool broadcast "$cfg" broadcast 0
 346         [ "$broadcast" = "0" ] && broadcast=
 347
 348         config_get leasetime "$cfg" leasetime
 349
 350         xappend "--dhcp-host=$macs${networkid:+,net:$networkid}${broadcast:+,set:needs-broadcast}${tag:+,set:$tag}${ip:+,$ip}${name:+,$name}${leasetime:+,$leasetime}"
 351 }
 352
 353 dhcp_tag_add() {
 354         local cfg="$1"
 355
 356         tag="$cfg"
 357
 358         [ -n "$tag" ] || return 0
 359
 360         config_get_bool force "$cfg" force 0
 361         [ "$force" = "0" ] && force=
 362
 363         config_get option "$cfg" dhcp_option
 364         for o in $option; do
 365                 xappend "--dhcp-option${force:+-force}=tag:$tag,$o"
 366         done
 367 }
 368
 369 dhcp_mac_add() {
 370         local cfg="$1"
 371
 372         config_get networkid "$cfg" networkid
 373         [ -n "$networkid" ] || return 0
 374
 375         config_get mac "$cfg" mac
 376         [ -n "$mac" ] || return 0
 377
 378         xappend "--dhcp-mac=$networkid,$mac"
 379
 380         dhcp_option_add "$cfg" "$networkid"
 381 }
 382
 383 dhcp_boot_add() {
 384         local cfg="$1"
 385
 386         config_get networkid "$cfg" networkid
 387
 388         config_get filename "$cfg" filename
 389         [ -n "$filename" ] || return 0
 390
 391         config_get servername "$cfg" servername
 392         config_get serveraddress "$cfg" serveraddress
 393
 394         [ -n "$serveraddress" -a ! -n "$servername" ] && return 0
 395
 396         xappend "--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
 397
 398         config_get_bool force "$cfg" force 0
 399
 400         dhcp_option_add "$cfg" "$networkid" "$force"
 401 }
 402
 403
 404 dhcp_add() {
 405         local cfg="$1"
 406         config_get net "$cfg" interface
 407         [ -n "$net" ] || return 0
 408
 409         config_get dhcpv4 "$cfg" dhcpv4
 410         [ "$dhcpv4" != "disabled" ] || return 0
 411
 412         config_get networkid "$cfg" networkid
 413         [ -n "$networkid" ] || networkid="$net"
 414
 415         network_get_subnet subnet "$net" || return 0
 416         network_get_device ifname "$net" || return 0
 417         network_get_protocol proto "$net" || return 0
 418
 419         [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver "$net" && {
 420                 DNS_SERVERS="$DNS_SERVERS $dnsserver"
 421         }
 422
 423         append_bool "$cfg" ignore "--no-dhcp-interface=$ifname" && return 0
 424
 425         # Do not support non-static interfaces for now
 426         [ static = "$proto" ] || return 0
 427
 428         # Override interface netmask with dhcp config if applicable
 429         config_get netmask "$cfg" netmask "${subnet##*/}"
 430
 431         #check for an already active dhcp server on the interface, unless 'force' is set
 432         config_get_bool force "$cfg" force 0
 433         [ $force -gt 0 ] || dhcp_check "$ifname" || return 0
 434
 435         config_get start "$cfg" start
 436         config_get limit "$cfg" limit
 437         config_get leasetime "$cfg" leasetime
 438         config_get options "$cfg" options
 439         config_get_bool dynamicdhcp "$cfg" dynamicdhcp 1
 440
 441         leasetime="${leasetime:-12h}"
 442         start="$(dhcp_calc "${start:-100}")"
 443         limit="${limit:-150}"
 444         [ "$limit" -gt 0 ] && limit=$((limit-1))
 445         eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
 446         if [ "$dynamicdhcp" = "0" ]; then END="static"; fi
 447         xappend "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"
 448
 449         dhcp_option_add "$cfg" "$networkid"
 450 }
 451
 452 dhcp_option_add() {
 453         local cfg="$1"
 454         local networkid="$2"
 455         local force="$3"
 456
 457         [ "$force" = "0" ] && force=
 458
 459         config_get dhcp_option "$cfg" dhcp_option
 460         for o in $dhcp_option; do
 461                 xappend "--dhcp-option${force:+-force}=${networkid:+$networkid,}$o"
 462         done
 463
 464 }
 465
 466 dhcp_domain_add() {
 467         local cfg="$1"
 468         local ip name names record
 469
 470         config_get names "$cfg" name "$2"
 471         [ -n "$names" ] || return 0
 472
 473         config_get ip "$cfg" ip "$3"
 474         [ -n "$ip" ] || return 0
 475
 476         for name in $names; do
 477                 record="${record:+$record }$name"
 478         done
 479
 480         echo "$ip $record" >> $HOSTFILE
 481 }
 482
 483 dhcp_srv_add() {
 484         local cfg="$1"
 485
 486         config_get srv "$cfg" srv
 487         [ -n "$srv" ] || return 0
 488
 489         config_get target "$cfg" target
 490         [ -n "$target" ] || return 0
 491
 492         config_get port "$cfg" port
 493         [ -n "$port" ] || return 0
 494
 495         config_get class "$cfg" class
 496         config_get weight "$cfg" weight
 497
 498         local service="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
 499
 500         xappend "--srv-host=$service"
 501 }
 502
 503 dhcp_mx_add() {
 504         local cfg="$1"
 505         local domain relay pref
 506
 507         config_get domain "$cfg" domain
 508         [ -n "$domain" ] || return 0
 509
 510         config_get relay "$cfg" relay
 511         [ -n "$relay" ] || return 0
 512
 513         config_get pref "$cfg" pref 0
 514
 515         local service="$domain,$relay,$pref"
 516
 517         xappend "--mx-host=$service"
 518 }
 519
 520 dhcp_cname_add() {
 521         local cfg="$1"
 522         local cname target
 523
 524         config_get cname "$cfg" cname
 525         [ -n "$cname" ] || return 0
 526
 527         config_get target "$cfg" target
 528         [ -n "$target" ] || return 0
 529
 530         xappend "--cname=${cname},${target}"
 531 }
 532
 533 dhcp_hostrecord_add() {
 534         local cfg="$1"
 535         local names addresses record val
 536
 537         config_get names "$cfg" name "$2"
 538         if [ -z "$names" ]; then
 539                 return 0
 540         fi
 541
 542         config_get addresses "$cfg" ip "$3"
 543         if [ -z "$addresses" ]; then
 544                 return 0
 545         fi
 546
 547         for val in $names $addresses; do
 548                 record="${record:+$record,}$val"
 549         done
 550
 551         xappend "--host-record=$record"
 552 }
 553
 554 dhcp_relay_add() {
 555         local cfg="$1"
 556         local local_addr server_addr interface
 557
 558         config_get local_addr "$cfg" local_addr
 559         [ -n "$local_addr" ] || return 0
 560
 561         config_get server_addr "$cfg" server_addr
 562         [ -n "$server_addr" ] || return 0
 563
 564         config_get interface "$cfg" interface
 565         if [ -z "$interface" ]; then
 566                 xappend "--dhcp-relay=$local_addr,$server_addr"
 567         else
 568                 xappend "--dhcp-relay=$local_addr,$server_addr,$interface"
 569         fi
 570 }
 571
 572 service_triggers()
 573 {
 574         procd_add_reload_trigger "dhcp"
 575 }
 576
 577 boot() {
 578         # Will be launched through hotplug
 579         return 0
 580 }
 581
 582 start_service() {
 583         include /lib/functions
 584
 585         config_load dhcp
 586
 587         # before we can call xappend
 588         mkdir -p /var/run/dnsmasq/
 589         mkdir -p $(dirname $CONFIGFILE)
 590         mkdir -p /var/lib/misc
 591         touch /tmp/dhcp.leases
 592
 593         if [ ! -f "$TIMESTAMPFILE" ]; then
 594                 touch "$TIMESTAMPFILE"
 595                 chown nobody.nogroup "$TIMESTAMPFILE"
 596         fi
 597
 598         echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE
 599         echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
 600
 601         # if we did this last, we could override auto-generated config
 602         [ -f /etc/dnsmasq.conf ] && {
 603                 xappend "--conf-file=/etc/dnsmasq.conf"
 604         }
 605
 606         args=""
 607         config_foreach dnsmasq dnsmasq
 608         config_foreach dhcp_host_add host
 609         echo >> $CONFIGFILE
 610         config_foreach dhcp_boot_add boot
 611         config_foreach dhcp_mac_add mac
 612         config_foreach dhcp_tag_add tag
 613         config_foreach dhcp_vendorclass_add vendorclass
 614         config_foreach dhcp_userclass_add userclass
 615         config_foreach dhcp_circuitid_add circuitid
 616         config_foreach dhcp_remoteid_add remoteid
 617         config_foreach dhcp_subscrid_add subscrid
 618         config_foreach dhcp_domain_add domain
 619         config_foreach dhcp_hostrecord_add hostrecord
 620         config_foreach dhcp_relay_add relay
 621
 622         # add own hostname
 623         [ $ADD_LOCAL_HOSTNAME -eq 1 ] && {
 624                 local lanaddr lanaddr6
 625                 local ulaprefix="$(uci_get network @globals[0] ula_prefix)"
 626                 local hostname="$(uci_get system @system[0] hostname OpenWrt)"
 627
 628                 network_get_ipaddr lanaddr "lan" && {
 629                         dhcp_domain_add "" "$hostname" "$lanaddr"
 630                 }
 631
 632                 [ -n "$ulaprefix" ] && network_get_ipaddrs6 lanaddr6 "lan" && {
 633                         for lanaddr6 in $lanaddr6; do
 634                                 case "$lanaddr6" in
 635                                         "${ulaprefix%%:/*}"*)
 636                                                 dhcp_domain_add "" "$hostname" "$lanaddr6"
 637                                         ;;
 638                                 esac
 639                         done
 640                 }
 641         }
 642
 643         echo >> $CONFIGFILE
 644         config_foreach dhcp_srv_add srvhost
 645         config_foreach dhcp_mx_add mxhost
 646         echo >> $CONFIGFILE
 647
 648         config_get odhcpd_is_active odhcpd maindhcp
 649         if [ "$odhcpd_is_active" != "1" ]; then
 650                 config_foreach dhcp_add dhcp
 651         fi
 652
 653         echo >> $CONFIGFILE
 654         config_foreach dhcp_cname_add cname
 655         echo >> $CONFIGFILE
 656
 657         rm -f /tmp/resolv.conf
 658         [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
 659                 echo "search $DOMAIN" >> /tmp/resolv.conf
 660         }
 661         DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
 662         for DNS_SERVER in $DNS_SERVERS ; do
 663                 echo "nameserver $DNS_SERVER" >> /tmp/resolv.conf
 664         done
 665
 666         procd_open_instance
 667         procd_set_param command $PROG -C $CONFIGFILE -k -x /var/run/dnsmasq/dnsmasq.pid
 668         procd_set_param file $CONFIGFILE
 669         procd_set_param respawn
 670
 671         procd_add_jail dnsmasq ubus log
 672         procd_add_jail_mount $CONFIGFILE $TRUSTANCHORSFILE $HOSTFILE /etc/passwd /etc/group /etc/TZ /dev/null /dev/urandom /etc/dnsmasq.conf /tmp/dnsmasq.d /tmp/resolv.conf.auto /etc/hosts /etc/ethers $EXTRA_MOUNT
 673         procd_add_jail_mount_rw /var/run/dnsmasq/ /tmp/dhcp.leases $TIMESTAMPFILE
 674
 675         procd_close_instance
 676 }
 677
 678 reload_service() {
 679         rc_procd start_service "$@"
 680         return 0
 681 }
 682
 683 stop_service() {
 684         [ -f /tmp/resolv.conf ] && {
 685                 rm -f /tmp/resolv.conf
 686                 ln -s /tmp/resolv.conf.auto /tmp/resolv.conf
 687         }
 688         rm -f /var/run/dnsmasq.*.dhcp
 689 }