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