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" "$force"
 318
 319         config_get name "$cfg" name
 320         config_get ip "$cfg" ip
 321         [ -n "$ip" -o -n "$name" ] || return 0
 322
 323         config_get_bool dns "$cfg" dns 0
 324         [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
 325                 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
 326         }
 327
 328         config_get mac "$cfg" mac
 329         if [ -n "$mac" ]; then
 330                 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
 331                 macs=""
 332                 for m in $mac; do append macs "$m" ","; done
 333         else
 334                 # --dhcp-host=lap,192.168.0.199
 335                 [ -n "$name" ] || return 0
 336                 macs="$name"
 337                 name=""
 338         fi
 339
 340         config_get tag "$cfg" tag
 341
 342         config_get_bool broadcast "$cfg" broadcast 0
 343         [ "$broadcast" = "0" ] && broadcast=
 344
 345         config_get leasetime "$cfg" leasetime
 346
 347         xappend "--dhcp-host=$macs${networkid:+,net:$networkid}${broadcast:+,set:needs-broadcast}${tag:+,set:$tag}${ip:+,$ip}${name:+,$name}${leasetime:+,$leasetime}"
 348 }
 349
 350 dhcp_tag_add() {
 351         local cfg="$1"
 352
 353         tag="$cfg"
 354
 355         [ -n "$tag" ] || return 0
 356
 357         config_get_bool force "$cfg" force 0
 358         [ "$force" = "0" ] && force=
 359
 360         config_get option "$cfg" dhcp_option
 361         for o in $option; do
 362                 xappend "--dhcp-option${force:+-force}=tag:$tag,$o"
 363         done
 364 }
 365
 366 dhcp_mac_add() {
 367         local cfg="$1"
 368
 369         config_get networkid "$cfg" networkid
 370         [ -n "$networkid" ] || return 0
 371
 372         config_get mac "$cfg" mac
 373         [ -n "$mac" ] || return 0
 374
 375         xappend "--dhcp-mac=$networkid,$mac"
 376
 377         dhcp_option_add "$cfg" "$networkid"
 378 }
 379
 380 dhcp_boot_add() {
 381         local cfg="$1"
 382
 383         config_get networkid "$cfg" networkid
 384
 385         config_get filename "$cfg" filename
 386         [ -n "$filename" ] || return 0
 387
 388         config_get servername "$cfg" servername
 389         config_get serveraddress "$cfg" serveraddress
 390
 391         [ -n "$serveraddress" -a ! -n "$servername" ] && return 0
 392
 393         xappend "--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
 394
 395         config_get_bool force "$cfg" force 0
 396
 397         dhcp_option_add "$cfg" "$networkid" "$force"
 398 }
 399
 400
 401 dhcp_add() {
 402         local cfg="$1"
 403         config_get net "$cfg" interface
 404         [ -n "$net" ] || return 0
 405
 406         config_get dhcpv4 "$cfg" dhcpv4
 407         [ "$dhcpv4" != "disabled" ] || return 0
 408
 409         config_get networkid "$cfg" networkid
 410         [ -n "$networkid" ] || networkid="$net"
 411
 412         network_get_subnet subnet "$net" || return 0
 413         network_get_device ifname "$net" || return 0
 414         network_get_protocol proto "$net" || return 0
 415
 416         [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver "$net" && {
 417                 DNS_SERVERS="$DNS_SERVERS $dnsserver"
 418         }
 419
 420         append_bool "$cfg" ignore "--no-dhcp-interface=$ifname" && return 0
 421
 422         # Do not support non-static interfaces for now
 423         [ static = "$proto" ] || return 0
 424
 425         # Override interface netmask with dhcp config if applicable
 426         config_get netmask "$cfg" netmask "${subnet##*/}"
 427
 428         #check for an already active dhcp server on the interface, unless 'force' is set
 429         config_get_bool force "$cfg" force 0
 430         [ $force -gt 0 ] || dhcp_check "$ifname" || return 0
 431
 432         config_get start "$cfg" start
 433         config_get limit "$cfg" limit
 434         config_get leasetime "$cfg" leasetime
 435         config_get options "$cfg" options
 436         config_get_bool dynamicdhcp "$cfg" dynamicdhcp 1
 437
 438         leasetime="${leasetime:-12h}"
 439         start="$(dhcp_calc "${start:-100}")"
 440         limit="${limit:-150}"
 441         [ "$limit" -gt 0 ] && limit=$((limit-1))
 442         eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
 443         if [ "$dynamicdhcp" = "0" ]; then END="static"; fi
 444         xappend "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"
 445
 446         dhcp_option_add "$cfg" "$networkid"
 447 }
 448
 449 dhcp_option_add() {
 450         local cfg="$1"
 451         local networkid="$2"
 452         local force="$3"
 453
 454         [ "$force" = "0" ] && force=
 455
 456         config_get dhcp_option "$cfg" dhcp_option
 457         for o in $dhcp_option; do
 458                 xappend "--dhcp-option${force:+-force}=${networkid:+$networkid,}$o"
 459         done
 460
 461 }
 462
 463 dhcp_domain_add() {
 464         local cfg="$1"
 465         local ip name names record
 466
 467         config_get names "$cfg" name "$2"
 468         [ -n "$names" ] || return 0
 469
 470         config_get ip "$cfg" ip "$3"
 471         [ -n "$ip" ] || return 0
 472
 473         for name in $names; do
 474                 record="${record:+$record }$name"
 475         done
 476
 477         echo "$ip $record" >> $HOSTFILE
 478 }
 479
 480 dhcp_srv_add() {
 481         local cfg="$1"
 482
 483         config_get srv "$cfg" srv
 484         [ -n "$srv" ] || return 0
 485
 486         config_get target "$cfg" target
 487         [ -n "$target" ] || return 0
 488
 489         config_get port "$cfg" port
 490         [ -n "$port" ] || return 0
 491
 492         config_get class "$cfg" class
 493         config_get weight "$cfg" weight
 494
 495         local service="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
 496
 497         xappend "--srv-host=$service"
 498 }
 499
 500 dhcp_mx_add() {
 501         local cfg="$1"
 502         local domain relay pref
 503
 504         config_get domain "$cfg" domain
 505         [ -n "$domain" ] || return 0
 506
 507         config_get relay "$cfg" relay
 508         [ -n "$relay" ] || return 0
 509
 510         config_get pref "$cfg" pref 0
 511
 512         local service="$domain,$relay,$pref"
 513
 514         xappend "--mx-host=$service"
 515 }
 516
 517 dhcp_cname_add() {
 518         local cfg="$1"
 519         local cname target
 520
 521         config_get cname "$cfg" cname
 522         [ -n "$cname" ] || return 0
 523
 524         config_get target "$cfg" target
 525         [ -n "$target" ] || return 0
 526
 527         xappend "--cname=${cname},${target}"
 528 }
 529
 530 dhcp_hostrecord_add() {
 531         local cfg="$1"
 532         local names addresses record val
 533
 534         config_get names "$cfg" name "$2"
 535         if [ -z "$names" ]; then
 536                 return 0
 537         fi
 538
 539         config_get addresses "$cfg" ip "$3"
 540         if [ -z "$addresses" ]; then
 541                 return 0
 542         fi
 543
 544         for val in $names $addresses; do
 545                 record="${record:+$record,}$val"
 546         done
 547
 548         xappend "--host-record=$record"
 549 }
 550
 551 dhcp_relay_add() {
 552         local cfg="$1"
 553         local local_addr server_addr interface
 554
 555         config_get local_addr "$cfg" local_addr
 556         [ -n "$local_addr" ] || return 0
 557
 558         config_get server_addr "$cfg" server_addr
 559         [ -n "$server_addr" ] || return 0
 560
 561         config_get interface "$cfg" interface
 562         if [ -z "$interface" ]; then
 563                 xappend "--dhcp-relay=$local_addr,$server_addr"
 564         else
 565                 xappend "--dhcp-relay=$local_addr,$server_addr,$interface"
 566         fi
 567 }
 568
 569 service_triggers()
 570 {
 571         procd_add_reload_trigger "dhcp"
 572 }
 573
 574 boot() {
 575         # Will be launched through hotplug
 576         return 0
 577 }
 578
 579 start_service() {
 580         include /lib/functions
 581
 582         config_load dhcp
 583
 584         # before we can call xappend
 585         mkdir -p /var/run/dnsmasq/
 586         mkdir -p $(dirname $CONFIGFILE)
 587         mkdir -p /var/lib/misc
 588         touch /tmp/dhcp.leases
 589
 590         if [ ! -f "$TIMESTAMPFILE" ]; then
 591                 touch "$TIMESTAMPFILE"
 592                 chown nobody.nogroup "$TIMESTAMPFILE"
 593         fi
 594
 595         echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE
 596         echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
 597
 598         # if we did this last, we could override auto-generated config
 599         [ -f /etc/dnsmasq.conf ] && {
 600                 xappend "--conf-file=/etc/dnsmasq.conf"
 601         }
 602
 603         args=""
 604         config_foreach dnsmasq dnsmasq
 605         config_foreach dhcp_host_add host
 606         echo >> $CONFIGFILE
 607         config_foreach dhcp_boot_add boot
 608         config_foreach dhcp_mac_add mac
 609         config_foreach dhcp_tag_add tag
 610         config_foreach dhcp_vendorclass_add vendorclass
 611         config_foreach dhcp_userclass_add userclass
 612         config_foreach dhcp_circuitid_add circuitid
 613         config_foreach dhcp_remoteid_add remoteid
 614         config_foreach dhcp_subscrid_add subscrid
 615         config_foreach dhcp_domain_add domain
 616         config_foreach dhcp_hostrecord_add hostrecord
 617         config_foreach dhcp_relay_add relay
 618
 619         # add own hostname
 620         [ $ADD_LOCAL_HOSTNAME -eq 1 ] && {
 621                 local lanaddr lanaddr6
 622                 local ulaprefix="$(uci_get network @globals[0] ula_prefix)"
 623                 local hostname="$(uci_get system @system[0] hostname OpenWrt)"
 624
 625                 network_get_ipaddr lanaddr "lan" && {
 626                         dhcp_domain_add "" "$hostname" "$lanaddr"
 627                 }
 628
 629                 [ -n "$ulaprefix" ] && network_get_ipaddrs6 lanaddr6 "lan" && {
 630                         for lanaddr6 in $lanaddr6; do
 631                                 case "$lanaddr6" in
 632                                         "${ulaprefix%%:/*}"*)
 633                                                 dhcp_domain_add "" "$hostname" "$lanaddr6"
 634                                         ;;
 635                                 esac
 636                         done
 637                 }
 638         }
 639
 640         echo >> $CONFIGFILE
 641         config_foreach dhcp_srv_add srvhost
 642         config_foreach dhcp_mx_add mxhost
 643         echo >> $CONFIGFILE
 644
 645         config_get odhcpd_is_active odhcpd maindhcp
 646         if [ "$odhcpd_is_active" != "1" ]; then
 647                 config_foreach dhcp_add dhcp
 648         fi
 649
 650         echo >> $CONFIGFILE
 651         config_foreach dhcp_cname_add cname
 652         echo >> $CONFIGFILE
 653
 654         rm -f /tmp/resolv.conf
 655         [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
 656                 echo "search $DOMAIN" >> /tmp/resolv.conf
 657         }
 658         DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
 659         for DNS_SERVER in $DNS_SERVERS ; do
 660                 echo "nameserver $DNS_SERVER" >> /tmp/resolv.conf
 661         done
 662
 663         procd_open_instance
 664         procd_set_param command $PROG -C $CONFIGFILE -k -x /var/run/dnsmasq/dnsmasq.pid
 665         procd_set_param file $CONFIGFILE
 666         procd_set_param respawn
 667
 668         procd_add_jail dnsmasq ubus log
 669         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
 670         procd_add_jail_mount_rw /var/run/dnsmasq/ /tmp/dhcp.leases $TIMESTAMPFILE
 671
 672         procd_close_instance
 673 }
 674
 675 reload_service() {
 676         rc_procd start_service "$@"
 677         return 0
 678 }
 679
 680 stop_service() {
 681         [ -f /tmp/resolv.conf ] && {
 682                 rm -f /tmp/resolv.conf
 683                 ln -s /tmp/resolv.conf.auto /tmp/resolv.conf
 684         }
 685         rm -f /var/run/dnsmasq.*.dhcp
 686 }