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