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 TIMEVALIDFILE="/var/state/dnsmasqsec"
  20
  21 xappend() {
  22         local value="$1"
  23
  24         echo "${value#--}" >> $CONFIGFILE
  25 }
  26
  27 hex_to_hostid() {
  28         local var="$1"
  29         local hex="${2#0x}"     # strip optional "0x" prefix
  30
  31         if [ -n "${hex//[0-9a-fA-F]/}" ]; then
  32                 # is invalid hex literal
  33                 return 1
  34         fi
  35
  36         # convert into host id
  37         export "$var=$(
  38                 printf "%0x:%0x"  \
  39                         $(((0x$hex >> 16) % 65536)) \
  40                         $(( 0x$hex        % 256))
  41         )"
  42
  43         return 0
  44 }
  45
  46 dhcp_calc() {
  47         local ip="$1"
  48         local res=0
  49
  50         while [ -n "$ip" ]; do
  51                 part="${ip%%.*}"
  52                 res="$(($res * 256))"
  53                 res="$(($res + $part))"
  54                 [ "${ip%.*}" != "$ip" ] && ip="${ip#*.}" || ip=
  55         done
  56         echo "$res"
  57 }
  58
  59 dhcp_check() {
  60         local ifname="$1"
  61         local stamp="/var/run/dnsmasq.$ifname.dhcp"
  62         local rv=0
  63
  64         [ -s "$stamp" ] && return $(cat "$stamp")
  65
  66         udhcpc -n -q -s /bin/true -t 1 -i "$ifname" >&- && rv=1 || rv=0
  67
  68         [ $rv -eq 1 ] && \
  69                 logger -t dnsmasq \
  70                         "found already running DHCP-server on interface '$ifname'" \
  71                         "refusing to start, use 'option force 1' to override"
  72
  73         echo $rv > "$stamp"
  74         return $rv
  75 }
  76
  77 log_once() {
  78         pidof dnsmasq >/dev/null || \
  79                 logger -t dnsmasq "$@"
  80 }
  81
  82 append_bool() {
  83         local section="$1"
  84         local option="$2"
  85         local value="$3"
  86         local _loctmp
  87         config_get_bool _loctmp "$section" "$option" 0
  88         [ $_loctmp -gt 0 ] && xappend "$value"
  89 }
  90
  91 append_parm() {
  92         local section="$1"
  93         local option="$2"
  94         local switch="$3"
  95         local default="$4"
  96         local _loctmp
  97         config_get _loctmp "$section" "$option" "$default"
  98         [ -z "$_loctmp" ] && return 0
  99         xappend "$switch=$_loctmp"
 100 }
 101
 102 append_server() {
 103         xappend "--server=$1"
 104 }
 105
 106 append_address() {
 107         xappend "--address=$1"
 108 }
 109
 110 append_ipset() {
 111         xappend "--ipset=$1"
 112 }
 113
 114 append_interface() {
 115         local ifname=$(uci_get_state network "$1" ifname "$1")
 116         xappend "--interface=$ifname"
 117 }
 118
 119 append_notinterface() {
 120         local ifname=$(uci_get_state network "$1" ifname "$1")
 121         xappend "--except-interface=$ifname"
 122 }
 123
 124 append_addnhosts() {
 125         xappend "--addn-hosts=$1"
 126 }
 127
 128 append_bogusnxdomain() {
 129         xappend "--bogus-nxdomain=$1"
 130 }
 131
 132 append_pxe_service() {
 133         xappend "--pxe-service=$1"
 134 }
 135
 136 dnsmasq() {
 137         local cfg="$1"
 138         append_bool "$cfg" authoritative "--dhcp-authoritative"
 139         append_bool "$cfg" nodaemon "--no-daemon"
 140         append_bool "$cfg" domainneeded "--domain-needed"
 141         append_bool "$cfg" filterwin2k "--filterwin2k"
 142         append_bool "$cfg" nohosts "--no-hosts"
 143         append_bool "$cfg" nonegcache "--no-negcache"
 144         append_bool "$cfg" strictorder "--strict-order"
 145         append_bool "$cfg" logqueries "--log-queries=extra"
 146         append_bool "$cfg" noresolv "--no-resolv"
 147         append_bool "$cfg" localise_queries "--localise-queries"
 148         append_bool "$cfg" readethers "--read-ethers"
 149         append_bool "$cfg" dbus "--enable-dbus"
 150         append_bool "$cfg" boguspriv "--bogus-priv"
 151         append_bool "$cfg" expandhosts "--expand-hosts"
 152         config_get tftp_root "$cfg" "tftp_root"
 153         [ -d "$tftp_root" ] && append_bool "$cfg" enable_tftp "--enable-tftp"
 154         append_bool "$cfg" tftp_no_fail "--tftp-no-fail"
 155         append_bool "$cfg" nonwildcard "--bind-dynamic"
 156         append_bool "$cfg" fqdn "--dhcp-fqdn"
 157         append_bool "$cfg" proxydnssec "--proxy-dnssec"
 158         append_bool "$cfg" localservice "--local-service"
 159         append_bool "$cfg" quietdhcp "--quiet-dhcp"
 160         append_bool "$cfg" sequential_ip "--dhcp-sequential-ip"
 161         append_bool "$cfg" allservers "--all-servers"
 162         append_bool "$cfg" noping "--no-ping"
 163
 164         append_parm "$cfg" dhcpscript "--dhcp-script"
 165         append_parm "$cfg" cachesize "--cache-size"
 166         append_parm "$cfg" dnsforwardmax "--dns-forward-max"
 167         append_parm "$cfg" port "--port"
 168         append_parm "$cfg" ednspacket_max "--edns-packet-max"
 169         append_parm "$cfg" dhcpleasemax "--dhcp-lease-max"
 170         append_parm "$cfg" "queryport" "--query-port"
 171         append_parm "$cfg" "minport" "--min-port"
 172         append_parm "$cfg" "maxport" "--max-port"
 173         append_parm "$cfg" "domain" "--domain"
 174         append_parm "$cfg" "local" "--server"
 175         config_list_foreach "$cfg" "server" append_server
 176         config_list_foreach "$cfg" "address" append_address
 177         config_list_foreach "$cfg" "ipset" append_ipset
 178         config_list_foreach "$cfg" "interface" append_interface
 179         config_list_foreach "$cfg" "notinterface" append_notinterface
 180         config_list_foreach "$cfg" "addnhosts" append_addnhosts
 181         config_list_foreach "$cfg" "bogusnxdomain" append_bogusnxdomain
 182         append_parm "$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
 183         append_parm "$cfg" "resolvfile" "--resolv-file" "/tmp/resolv.conf.auto"
 184         append_parm "$cfg" "serversfile" "--servers-file"
 185         append_parm "$cfg" "tftp_root" "--tftp-root"
 186         append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
 187         append_parm "$cfg" "local_ttl" "--local-ttl"
 188         append_parm "$cfg" "pxe_prompt" "--pxe-prompt"
 189         config_list_foreach "$cfg" "pxe_service" append_pxe_service
 190         config_get DOMAIN "$cfg" domain
 191
 192         config_get_bool ADD_LOCAL_DOMAIN "$cfg" add_local_domain 1
 193         config_get_bool ADD_LOCAL_HOSTNAME "$cfg" add_local_hostname 1
 194
 195         config_get_bool readethers "$cfg" readethers
 196         [ "$readethers" = "1" -a \! -e "/etc/ethers" ] && touch /etc/ethers
 197
 198         config_get leasefile $cfg leasefile "/tmp/dhcp.leases"
 199         [ -n "$leasefile" -a \! -e "$leasefile" ] && touch "$leasefile"
 200         config_get_bool cachelocal "$cfg" cachelocal 1
 201
 202         config_get_bool noresolv "$cfg" noresolv 0
 203         if [ "$noresolv" != "1" ]; then
 204                 config_get resolvfile "$cfg" resolvfile "/tmp/resolv.conf.auto"
 205                 # So jail doesn't complain if file missing
 206                 [ -n "$resolvfile" -a \! -e "$resolvfile" ] && touch "$resolvfile"
 207         fi
 208
 209         config_get hostsfile "$cfg" dhcphostsfile
 210         [ -e "$hostsfile" ] && xappend "--dhcp-hostsfile=$hostsfile"
 211
 212         local rebind
 213         config_get_bool rebind "$cfg" rebind_protection 1
 214         [ $rebind -gt 0 ] && {
 215                 log_once \
 216                         "DNS rebinding protection is active," \
 217                         "will discard upstream RFC1918 responses!"
 218                 xappend "--stop-dns-rebind"
 219
 220                 local rebind_localhost
 221                 config_get_bool rebind_localhost "$cfg" rebind_localhost 0
 222                 [ $rebind_localhost -gt 0 ] && {
 223                         log_once "Allowing 127.0.0.0/8 responses"
 224                         xappend "--rebind-localhost-ok"
 225                 }
 226
 227                 append_rebind_domain() {
 228                         log_once "Allowing RFC1918 responses for domain $1"
 229                         xappend "--rebind-domain-ok=$1"
 230                 }
 231
 232                 config_list_foreach "$cfg" rebind_domain append_rebind_domain
 233         }
 234
 235         config_get_bool dnssec "$cfg" dnssec 0
 236         [ "$dnssec" -gt 0 ] && {
 237                 xappend "--conf-file=$TRUSTANCHORSFILE"
 238                 xappend "--dnssec"
 239                 [ -x /etc/init.d/sysntpd ] && {
 240                         /etc/init.d/sysntpd enabled
 241                         [ "$?" -ne 0 -o "$(uci_get system.ntp.enabled)" = "1" ] && {
 242                                 [ -f "$TIMEVALIDFILE" ] || xappend "--dnssec-no-timecheck"
 243                         }
 244                 }
 245                 append_bool "$cfg" dnsseccheckunsigned "--dnssec-check-unsigned"
 246         }
 247
 248         dhcp_option_add "$cfg" "" 0
 249
 250         xappend "--dhcp-broadcast=tag:needs-broadcast"
 251
 252         mkdir -p /tmp/hosts /tmp/dnsmasq.d
 253         xappend "--addn-hosts=/tmp/hosts"
 254         xappend "--conf-dir=/tmp/dnsmasq.d"
 255         xappend "--user=dnsmasq"
 256         xappend "--group=dnsmasq"
 257
 258         echo >> $CONFIGFILE
 259
 260         config_get_bool enable_tftp "$cfg" enable_tftp 0
 261         [ "$enable_tftp" -gt 0 ] && {
 262                 config_get tftp_root "$cfg" tftp_root
 263                 append EXTRA_MOUNT $tftp_root
 264         }
 265 }
 266
 267 dhcp_subscrid_add() {
 268         local cfg="$1"
 269
 270         config_get networkid "$cfg" networkid
 271         [ -n "$networkid" ] || return 0
 272
 273         config_get subscriberid "$cfg" subscriberid
 274         [ -n "$subscriberid" ] || return 0
 275
 276         xappend "--dhcp-subscrid=$networkid,$subscriberid"
 277
 278         config_get_bool force "$cfg" force 0
 279
 280         dhcp_option_add "$cfg" "$networkid" "$force"
 281 }
 282
 283 dhcp_remoteid_add() {
 284         local cfg="$1"
 285
 286         config_get networkid "$cfg" networkid
 287         [ -n "$networkid" ] || return 0
 288
 289         config_get remoteid "$cfg" remoteid
 290         [ -n "$remoteid" ] || return 0
 291
 292         xappend "--dhcp-remoteid=$networkid,$remoteid"
 293
 294         config_get_bool force "$cfg" force 0
 295
 296         dhcp_option_add "$cfg" "$networkid" "$force"
 297 }
 298
 299 dhcp_circuitid_add() {
 300         local cfg="$1"
 301
 302         config_get networkid "$cfg" networkid
 303         [ -n "$networkid" ] || return 0
 304
 305         config_get circuitid "$cfg" circuitid
 306         [ -n "$circuitid" ] || return 0
 307
 308         xappend "--dhcp-circuitid=$networkid,$circuitid"
 309
 310         config_get_bool force "$cfg" force 0
 311
 312         dhcp_option_add "$cfg" "$networkid" "$force"
 313 }
 314
 315 dhcp_userclass_add() {
 316         local cfg="$1"
 317
 318         config_get networkid "$cfg" networkid
 319         [ -n "$networkid" ] || return 0
 320
 321         config_get userclass "$cfg" userclass
 322         [ -n "$userclass" ] || return 0
 323
 324         xappend "--dhcp-userclass=$networkid,$userclass"
 325
 326         config_get_bool force "$cfg" force 0
 327
 328         dhcp_option_add "$cfg" "$networkid" "$force"
 329 }
 330
 331 dhcp_vendorclass_add() {
 332         local cfg="$1"
 333
 334         config_get networkid "$cfg" networkid
 335         [ -n "$networkid" ] || return 0
 336
 337         config_get vendorclass "$cfg" vendorclass
 338         [ -n "$vendorclass" ] || return 0
 339
 340         xappend "--dhcp-vendorclass=$networkid,$vendorclass"
 341
 342         config_get_bool force "$cfg" force 0
 343
 344         dhcp_option_add "$cfg" "$networkid" "$force"
 345 }
 346
 347 dhcp_host_add() {
 348         local cfg="$1"
 349
 350         config_get_bool force "$cfg" force 0
 351
 352         config_get networkid "$cfg" networkid
 353         [ -n "$networkid" ] && dhcp_option_add "$cfg" "$networkid" "$force"
 354
 355         config_get_bool enable "$cfg" enable 1
 356         [ "$enable" = "0" ] && return 0
 357
 358         config_get name "$cfg" name
 359         config_get ip "$cfg" ip
 360         [ -n "$ip" -o -n "$name" ] || return 0
 361
 362         config_get_bool dns "$cfg" dns 0
 363         [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
 364                 echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
 365         }
 366
 367         config_get mac "$cfg" mac
 368         if [ -n "$mac" ]; then
 369                 # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
 370                 macs=""
 371                 for m in $mac; do append macs "$m" ","; done
 372         else
 373                 # --dhcp-host=lap,192.168.0.199
 374                 [ -n "$name" ] || return 0
 375                 macs="$name"
 376                 name=""
 377         fi
 378
 379         config_get tag "$cfg" tag
 380
 381         if [ "$DHCPv6CAPABLE" -eq 1 ]; then
 382                 config_get hostid "$cfg" hostid
 383                 if [ -n "$hostid" ]; then
 384                         hex_to_hostid hostid "$hostid"
 385                 fi
 386         fi
 387
 388         config_get_bool broadcast "$cfg" broadcast 0
 389         [ "$broadcast" = "0" ] && broadcast=
 390
 391         config_get leasetime "$cfg" leasetime
 392
 393         xappend "--dhcp-host=$macs${networkid:+,net:$networkid}${broadcast:+,set:needs-broadcast}${tag:+,set:$tag}${ip:+,$ip${hostid:+,[::$hostid]}}${name:+,$name}${leasetime:+,$leasetime}"
 394 }
 395
 396 dhcp_tag_add() {
 397         local cfg="$1"
 398
 399         tag="$cfg"
 400
 401         [ -n "$tag" ] || return 0
 402
 403         config_get_bool force "$cfg" force 0
 404         [ "$force" = "0" ] && force=
 405
 406         config_get option "$cfg" dhcp_option
 407         for o in $option; do
 408                 xappend "--dhcp-option${force:+-force}=tag:$tag,$o"
 409         done
 410 }
 411
 412 dhcp_mac_add() {
 413         local cfg="$1"
 414
 415         config_get networkid "$cfg" networkid
 416         [ -n "$networkid" ] || return 0
 417
 418         config_get mac "$cfg" mac
 419         [ -n "$mac" ] || return 0
 420
 421         xappend "--dhcp-mac=$networkid,$mac"
 422
 423         dhcp_option_add "$cfg" "$networkid"
 424 }
 425
 426 dhcp_boot_add() {
 427         local cfg="$1"
 428
 429         config_get networkid "$cfg" networkid
 430
 431         config_get filename "$cfg" filename
 432         [ -n "$filename" ] || return 0
 433
 434         config_get servername "$cfg" servername
 435         config_get serveraddress "$cfg" serveraddress
 436
 437         [ -n "$serveraddress" -a ! -n "$servername" ] && return 0
 438
 439         xappend "--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
 440
 441         config_get_bool force "$cfg" force 0
 442
 443         dhcp_option_add "$cfg" "$networkid" "$force"
 444 }
 445
 446
 447 dhcp_add() {
 448         local cfg="$1"
 449         config_get net "$cfg" interface
 450         [ -n "$net" ] || return 0
 451
 452         config_get dhcpv4 "$cfg" dhcpv4
 453         [ "$dhcpv4" != "disabled" ] || return 0
 454
 455         config_get networkid "$cfg" networkid
 456         [ -n "$networkid" ] || networkid="$net"
 457
 458         network_get_subnet subnet "$net" || return 0
 459         network_get_device ifname "$net" || return 0
 460         network_get_protocol proto "$net" || return 0
 461
 462         [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver "$net" && {
 463                 DNS_SERVERS="$DNS_SERVERS $dnsserver"
 464         }
 465
 466         append_bool "$cfg" ignore "--no-dhcp-interface=$ifname" && return 0
 467
 468         # Do not support non-static interfaces for now
 469         [ static = "$proto" ] || return 0
 470
 471         # Override interface netmask with dhcp config if applicable
 472         config_get netmask "$cfg" netmask "${subnet##*/}"
 473
 474         #check for an already active dhcp server on the interface, unless 'force' is set
 475         config_get_bool force "$cfg" force 0
 476         [ $force -gt 0 ] || dhcp_check "$ifname" || return 0
 477
 478         config_get start "$cfg" start
 479         config_get limit "$cfg" limit
 480         config_get leasetime "$cfg" leasetime
 481         config_get options "$cfg" options
 482         config_get_bool dynamicdhcp "$cfg" dynamicdhcp 1
 483
 484         leasetime="${leasetime:-12h}"
 485         start="$(dhcp_calc "${start:-100}")"
 486         limit="${limit:-150}"
 487         [ "$limit" -gt 0 ] && limit=$((limit-1))
 488         eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
 489         if [ "$dynamicdhcp" = "0" ]; then END="static"; fi
 490         xappend "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"
 491
 492         dhcp_option_add "$cfg" "$networkid"
 493 }
 494
 495 dhcp_option_add() {
 496         local cfg="$1"
 497         local networkid="$2"
 498         local force="$3"
 499
 500         [ "$force" = "0" ] && force=
 501
 502         config_get dhcp_option "$cfg" dhcp_option
 503         for o in $dhcp_option; do
 504                 xappend "--dhcp-option${force:+-force}=${networkid:+$networkid,}$o"
 505         done
 506
 507 }
 508
 509 dhcp_domain_add() {
 510         local cfg="$1"
 511         local ip name names record
 512
 513         config_get names "$cfg" name "$2"
 514         [ -n "$names" ] || return 0
 515
 516         config_get ip "$cfg" ip "$3"
 517         [ -n "$ip" ] || return 0
 518
 519         for name in $names; do
 520                 record="${record:+$record }$name"
 521         done
 522
 523         echo "$ip $record" >> $HOSTFILE
 524 }
 525
 526 dhcp_srv_add() {
 527         local cfg="$1"
 528
 529         config_get srv "$cfg" srv
 530         [ -n "$srv" ] || return 0
 531
 532         config_get target "$cfg" target
 533         [ -n "$target" ] || return 0
 534
 535         config_get port "$cfg" port
 536         [ -n "$port" ] || return 0
 537
 538         config_get class "$cfg" class
 539         config_get weight "$cfg" weight
 540
 541         local service="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
 542
 543         xappend "--srv-host=$service"
 544 }
 545
 546 dhcp_mx_add() {
 547         local cfg="$1"
 548         local domain relay pref
 549
 550         config_get domain "$cfg" domain
 551         [ -n "$domain" ] || return 0
 552
 553         config_get relay "$cfg" relay
 554         [ -n "$relay" ] || return 0
 555
 556         config_get pref "$cfg" pref 0
 557
 558         local service="$domain,$relay,$pref"
 559
 560         xappend "--mx-host=$service"
 561 }
 562
 563 dhcp_cname_add() {
 564         local cfg="$1"
 565         local cname target
 566
 567         config_get cname "$cfg" cname
 568         [ -n "$cname" ] || return 0
 569
 570         config_get target "$cfg" target
 571         [ -n "$target" ] || return 0
 572
 573         xappend "--cname=${cname},${target}"
 574 }
 575
 576 dhcp_hostrecord_add() {
 577         local cfg="$1"
 578         local names addresses record val
 579
 580         config_get names "$cfg" name "$2"
 581         if [ -z "$names" ]; then
 582                 return 0
 583         fi
 584
 585         config_get addresses "$cfg" ip "$3"
 586         if [ -z "$addresses" ]; then
 587                 return 0
 588         fi
 589
 590         for val in $names $addresses; do
 591                 record="${record:+$record,}$val"
 592         done
 593
 594         xappend "--host-record=$record"
 595 }
 596
 597 dhcp_relay_add() {
 598         local cfg="$1"
 599         local local_addr server_addr interface
 600
 601         config_get local_addr "$cfg" local_addr
 602         [ -n "$local_addr" ] || return 0
 603
 604         config_get server_addr "$cfg" server_addr
 605         [ -n "$server_addr" ] || return 0
 606
 607         config_get interface "$cfg" interface
 608         if [ -z "$interface" ]; then
 609                 xappend "--dhcp-relay=$local_addr,$server_addr"
 610         else
 611                 xappend "--dhcp-relay=$local_addr,$server_addr,$interface"
 612         fi
 613 }
 614
 615 service_triggers()
 616 {
 617         procd_add_reload_trigger "dhcp"
 618 }
 619
 620 boot() {
 621         # Will be launched through hotplug
 622         return 0
 623 }
 624
 625 start_service() {
 626         include /lib/functions
 627
 628         config_load dhcp
 629
 630         # before we can call xappend
 631         mkdir -p /var/run/dnsmasq/
 632         mkdir -p $(dirname $CONFIGFILE)
 633         mkdir -p /var/lib/misc
 634         touch /tmp/dhcp.leases
 635
 636         [ -f "$TIMESTAMPFILE" ] && rm -f "$TIMESTAMPFILE"
 637
 638         echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE
 639         echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
 640
 641         # if we did this last, we could override auto-generated config
 642         [ -f /etc/dnsmasq.conf ] && {
 643                 xappend "--conf-file=/etc/dnsmasq.conf"
 644         }
 645
 646         $PROG --version | grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE=1 || DHCPv6CAPABLE=0
 647
 648         args=""
 649         config_foreach dnsmasq dnsmasq
 650         config_foreach dhcp_host_add host
 651         echo >> $CONFIGFILE
 652         config_foreach dhcp_boot_add boot
 653         config_foreach dhcp_mac_add mac
 654         config_foreach dhcp_tag_add tag
 655         config_foreach dhcp_vendorclass_add vendorclass
 656         config_foreach dhcp_userclass_add userclass
 657         config_foreach dhcp_circuitid_add circuitid
 658         config_foreach dhcp_remoteid_add remoteid
 659         config_foreach dhcp_subscrid_add subscrid
 660         config_foreach dhcp_domain_add domain
 661         config_foreach dhcp_hostrecord_add hostrecord
 662         config_foreach dhcp_relay_add relay
 663
 664         # add own hostname
 665         [ $ADD_LOCAL_HOSTNAME -eq 1 ] && {
 666                 local lanaddr lanaddr6
 667                 local ulaprefix="$(uci_get network @globals[0] ula_prefix)"
 668                 local hostname="$(uci_get system @system[0] hostname Lede)"
 669
 670                 network_get_ipaddr lanaddr "lan" && {
 671                         dhcp_domain_add "" "$hostname" "$lanaddr"
 672                 }
 673
 674                 [ -n "$ulaprefix" ] && network_get_ipaddrs6 lanaddr6 "lan" && {
 675                         for lanaddr6 in $lanaddr6; do
 676                                 case "$lanaddr6" in
 677                                         "${ulaprefix%%:/*}"*)
 678                                                 dhcp_domain_add "" "$hostname" "$lanaddr6"
 679                                         ;;
 680                                 esac
 681                         done
 682                 }
 683         }
 684
 685         echo >> $CONFIGFILE
 686         config_foreach dhcp_srv_add srvhost
 687         config_foreach dhcp_mx_add mxhost
 688         echo >> $CONFIGFILE
 689
 690         config_get odhcpd_is_active odhcpd maindhcp
 691         if [ "$odhcpd_is_active" != "1" ]; then
 692                 config_foreach dhcp_add dhcp
 693         fi
 694
 695         echo >> $CONFIGFILE
 696         config_foreach dhcp_cname_add cname
 697         echo >> $CONFIGFILE
 698
 699         rm -f /tmp/resolv.conf
 700         [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
 701                 echo "search $DOMAIN" >> /tmp/resolv.conf
 702         }
 703         DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
 704         for DNS_SERVER in $DNS_SERVERS ; do
 705                 echo "nameserver $DNS_SERVER" >> /tmp/resolv.conf
 706         done
 707
 708         procd_open_instance
 709         procd_set_param command $PROG -C $CONFIGFILE -k -x /var/run/dnsmasq/dnsmasq.pid
 710         procd_set_param file $CONFIGFILE
 711         procd_set_param respawn
 712
 713         procd_add_jail dnsmasq ubus log
 714         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 $EXTRA_MOUNT
 715         procd_add_jail_mount_rw /var/run/dnsmasq/ /tmp/dhcp.leases
 716
 717         procd_close_instance
 718 }
 719
 720 reload_service() {
 721         rc_procd start_service "$@"
 722         return 0
 723 }
 724
 725 stop_service() {
 726         [ -f /tmp/resolv.conf ] && {
 727                 rm -f /tmp/resolv.conf
 728                 ln -s /tmp/resolv.conf.auto /tmp/resolv.conf
 729         }
 730         rm -f /var/run/dnsmasq.*.dhcp
 731 }