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