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authorJames <>2015-11-04 11:49:21 +0000
committerJames <>2015-11-04 11:49:21 +0000
commit716ca530e1c4515d8683c9d5be3d56b301758b66 (patch)
tree700eb5bcc1a462a5f21dcec15ce7c97ecfefa772 /package/network/services/dnsmasq/files/dnsmasq.init
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Diffstat (limited to 'package/network/services/dnsmasq/files/dnsmasq.init')
-rw-r--r--package/network/services/dnsmasq/files/dnsmasq.init641
1 files changed, 641 insertions, 0 deletions
diff --git a/package/network/services/dnsmasq/files/dnsmasq.init b/package/network/services/dnsmasq/files/dnsmasq.init
new file mode 100644
index 0000000..1b42cff
--- /dev/null
+++ b/package/network/services/dnsmasq/files/dnsmasq.init
@@ -0,0 +1,641 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2007-2012 OpenWrt.org
+
+START=60
+
+USE_PROCD=1
+PROG=/usr/sbin/dnsmasq
+
+DNS_SERVERS=""
+DOMAIN=""
+
+ADD_LOCAL_DOMAIN=1
+ADD_LOCAL_HOSTNAME=1
+
+CONFIGFILE="/var/etc/dnsmasq.conf"
+HOSTFILE="/tmp/hosts/dhcp"
+TRUSTANCHORSFILE="/usr/share/dnsmasq/trust-anchors.conf"
+TIMESTAMPFILE="/etc/dnsmasq.time"
+
+xappend() {
+ local value="$1"
+
+ echo "${value#--}" >> $CONFIGFILE
+}
+
+dhcp_calc() {
+ local ip="$1"
+ local res=0
+
+ while [ -n "$ip" ]; do
+ part="${ip%%.*}"
+ res="$(($res * 256))"
+ res="$(($res + $part))"
+ [ "${ip%.*}" != "$ip" ] && ip="${ip#*.}" || ip=
+ done
+ echo "$res"
+}
+
+dhcp_check() {
+ local ifname="$1"
+ local stamp="/var/run/dnsmasq.$ifname.dhcp"
+ local rv=0
+
+ [ -s "$stamp" ] && return $(cat "$stamp")
+
+ udhcpc -n -q -s /bin/true -t 1 -i "$ifname" >&- && rv=1 || rv=0
+
+ [ $rv -eq 1 ] && \
+ logger -t dnsmasq \
+ "found already running DHCP-server on interface '$ifname'" \
+ "refusing to start, use 'option force 1' to override"
+
+ echo $rv > "$stamp"
+ return $rv
+}
+
+log_once() {
+ pidof dnsmasq >/dev/null || \
+ logger -t dnsmasq "$@"
+}
+
+append_bool() {
+ local section="$1"
+ local option="$2"
+ local value="$3"
+ local _loctmp
+ config_get_bool _loctmp "$section" "$option" 0
+ [ $_loctmp -gt 0 ] && xappend "$value"
+}
+
+append_parm() {
+ local section="$1"
+ local option="$2"
+ local switch="$3"
+ local _loctmp
+ config_get _loctmp "$section" "$option"
+ [ -z "$_loctmp" ] && return 0
+ xappend "$switch=$_loctmp"
+}
+
+append_server() {
+ xappend "--server=$1"
+}
+
+append_address() {
+ xappend "--address=$1"
+}
+
+append_ipset() {
+ xappend "--ipset=$1"
+}
+
+append_interface() {
+ local ifname=$(uci_get_state network "$1" ifname "$1")
+ xappend "--interface=$ifname"
+}
+
+append_notinterface() {
+ local ifname=$(uci_get_state network "$1" ifname "$1")
+ xappend "--except-interface=$ifname"
+}
+
+append_addnhosts() {
+ xappend "--addn-hosts=$1"
+}
+
+append_bogusnxdomain() {
+ xappend "--bogus-nxdomain=$1"
+}
+
+append_pxe_service() {
+ xappend "--pxe-service=$1"
+}
+
+dnsmasq() {
+ local cfg="$1"
+ append_bool "$cfg" authoritative "--dhcp-authoritative"
+ append_bool "$cfg" nodaemon "--no-daemon"
+ append_bool "$cfg" domainneeded "--domain-needed"
+ append_bool "$cfg" filterwin2k "--filterwin2k"
+ append_bool "$cfg" nohosts "--no-hosts"
+ append_bool "$cfg" nonegcache "--no-negcache"
+ append_bool "$cfg" strictorder "--strict-order"
+ append_bool "$cfg" logqueries "--log-queries=extra"
+ append_bool "$cfg" noresolv "--no-resolv"
+ append_bool "$cfg" localise_queries "--localise-queries"
+ append_bool "$cfg" readethers "--read-ethers"
+ append_bool "$cfg" dbus "--enable-dbus"
+ append_bool "$cfg" boguspriv "--bogus-priv"
+ append_bool "$cfg" expandhosts "--expand-hosts"
+ append_bool "$cfg" enable_tftp "--enable-tftp"
+ append_bool "$cfg" tftp_no_fail "--tftp-no-fail"
+ append_bool "$cfg" nonwildcard "--bind-interfaces"
+ append_bool "$cfg" fqdn "--dhcp-fqdn"
+ append_bool "$cfg" proxydnssec "--proxy-dnssec"
+ append_bool "$cfg" localservice "--local-service"
+ append_bool "$cfg" quietdhcp "--quiet-dhcp"
+ append_bool "$cfg" sequential_ip "--dhcp-sequential-ip"
+
+ append_parm "$cfg" dhcpscript "--dhcp-script"
+ append_parm "$cfg" cachesize "--cache-size"
+ append_parm "$cfg" dnsforwardmax "--dns-forward-max"
+ append_parm "$cfg" port "--port"
+ append_parm "$cfg" ednspacket_max "--edns-packet-max"
+ append_parm "$cfg" dhcpleasemax "--dhcp-lease-max"
+ append_parm "$cfg" "queryport" "--query-port"
+ append_parm "$cfg" "domain" "--domain"
+ append_parm "$cfg" "local" "--server"
+ config_list_foreach "$cfg" "server" append_server
+ config_list_foreach "$cfg" "address" append_address
+ config_list_foreach "$cfg" "ipset" append_ipset
+ config_list_foreach "$cfg" "interface" append_interface
+ config_list_foreach "$cfg" "notinterface" append_notinterface
+ config_list_foreach "$cfg" "addnhosts" append_addnhosts
+ config_list_foreach "$cfg" "bogusnxdomain" append_bogusnxdomain
+ append_parm "$cfg" "leasefile" "--dhcp-leasefile"
+ append_parm "$cfg" "resolvfile" "--resolv-file"
+ append_parm "$cfg" "serversfile" "--servers-file"
+ append_parm "$cfg" "tftp_root" "--tftp-root"
+ append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
+ append_parm "$cfg" "local_ttl" "--local-ttl"
+ append_parm "$cfg" "pxe_prompt" "--pxe-prompt"
+ config_list_foreach "$cfg" "pxe_service" append_pxe_service
+ config_get DOMAIN "$cfg" domain
+
+ config_get_bool ADD_LOCAL_DOMAIN "$cfg" add_local_domain 1
+ config_get_bool ADD_LOCAL_HOSTNAME "$cfg" add_local_hostname 1
+
+ config_get_bool readethers "$cfg" readethers
+ [ "$readethers" = "1" -a \! -e "/etc/ethers" ] && touch /etc/ethers
+
+ config_get leasefile $cfg leasefile
+ [ -n "$leasefile" -a \! -e "$leasefile" ] && touch "$leasefile"
+ config_get_bool cachelocal "$cfg" cachelocal 1
+
+ config_get hostsfile "$cfg" dhcphostsfile
+ [ -e "$hostsfile" ] && xappend "--dhcp-hostsfile=$hostsfile"
+
+ local rebind
+ config_get_bool rebind "$cfg" rebind_protection 1
+ [ $rebind -gt 0 ] && {
+ log_once \
+ "DNS rebinding protection is active," \
+ "will discard upstream RFC1918 responses!"
+ xappend "--stop-dns-rebind"
+
+ local rebind_localhost
+ config_get_bool rebind_localhost "$cfg" rebind_localhost 0
+ [ $rebind_localhost -gt 0 ] && {
+ log_once "Allowing 127.0.0.0/8 responses"
+ xappend "--rebind-localhost-ok"
+ }
+
+ append_rebind_domain() {
+ log_once "Allowing RFC1918 responses for domain $1"
+ xappend "--rebind-domain-ok=$1"
+ }
+
+ config_list_foreach "$cfg" rebind_domain append_rebind_domain
+ }
+
+ config_get_bool dnssec "$cfg" dnssec 0
+ [ "$dnssec" -gt 0 ] && {
+ xappend "--conf-file=$TRUSTANCHORSFILE"
+ xappend "--dnssec"
+ xappend "--dnssec-timestamp=$TIMESTAMPFILE"
+ append_bool "$cfg" dnsseccheckunsigned "--dnssec-check-unsigned"
+ }
+
+ dhcp_option_add "$cfg" "" 0
+
+ xappend "--dhcp-broadcast=tag:needs-broadcast"
+
+ mkdir -p /tmp/hosts /tmp/dnsmasq.d
+ xappend "--addn-hosts=/tmp/hosts"
+ xappend "--conf-dir=/tmp/dnsmasq.d"
+
+ echo >> $CONFIGFILE
+}
+
+dhcp_subscrid_add() {
+ local cfg="$1"
+
+ config_get networkid "$cfg" networkid
+ [ -n "$networkid" ] || return 0
+
+ config_get subscriberid "$cfg" subscriberid
+ [ -n "$subscriberid" ] || return 0
+
+ xappend "--dhcp-subscrid=$networkid,$subscriberid"
+
+ config_get_bool force "$cfg" force 0
+
+ dhcp_option_add "$cfg" "$networkid" "$force"
+}
+
+dhcp_remoteid_add() {
+ local cfg="$1"
+
+ config_get networkid "$cfg" networkid
+ [ -n "$networkid" ] || return 0
+
+ config_get remoteid "$cfg" remoteid
+ [ -n "$remoteid" ] || return 0
+
+ xappend "--dhcp-remoteid=$networkid,$remoteid"
+
+ config_get_bool force "$cfg" force 0
+
+ dhcp_option_add "$cfg" "$networkid" "$force"
+}
+
+dhcp_circuitid_add() {
+ local cfg="$1"
+
+ config_get networkid "$cfg" networkid
+ [ -n "$networkid" ] || return 0
+
+ config_get circuitid "$cfg" circuitid
+ [ -n "$circuitid" ] || return 0
+
+ xappend "--dhcp-circuitid=$networkid,$circuitid"
+
+ config_get_bool force "$cfg" force 0
+
+ dhcp_option_add "$cfg" "$networkid" "$force"
+}
+
+dhcp_userclass_add() {
+ local cfg="$1"
+
+ config_get networkid "$cfg" networkid
+ [ -n "$networkid" ] || return 0
+
+ config_get userclass "$cfg" userclass
+ [ -n "$userclass" ] || return 0
+
+ xappend "--dhcp-userclass=$networkid,$userclass"
+
+ config_get_bool force "$cfg" force 0
+
+ dhcp_option_add "$cfg" "$networkid" "$force"
+}
+
+dhcp_vendorclass_add() {
+ local cfg="$1"
+
+ config_get networkid "$cfg" networkid
+ [ -n "$networkid" ] || return 0
+
+ config_get vendorclass "$cfg" vendorclass
+ [ -n "$vendorclass" ] || return 0
+
+ xappend "--dhcp-vendorclass=$networkid,$vendorclass"
+
+ config_get_bool force "$cfg" force 0
+
+ dhcp_option_add "$cfg" "$networkid" "$force"
+}
+
+dhcp_host_add() {
+ local cfg="$1"
+
+ config_get_bool force "$cfg" force 0
+
+ config_get networkid "$cfg" networkid
+ [ -n "$networkid" ] && dhcp_option_add "$cfg" "$networkid" "$force"
+
+ config_get name "$cfg" name
+ config_get ip "$cfg" ip
+ [ -n "$ip" -o -n "$name" ] || return 0
+
+ config_get_bool dns "$cfg" dns 0
+ [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
+ echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
+ }
+
+ config_get mac "$cfg" mac
+ if [ -n "$mac" ]; then
+ # --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
+ macs=""
+ for m in $mac; do append macs "$m" ","; done
+ else
+ # --dhcp-host=lap,192.168.0.199
+ [ -n "$name" ] || return 0
+ macs="$name"
+ name=""
+ fi
+
+ config_get tag "$cfg" tag
+
+ config_get_bool broadcast "$cfg" broadcast 0
+ [ "$broadcast" = "0" ] && broadcast=
+
+ xappend "--dhcp-host=$macs${networkid:+,net:$networkid}${broadcast:+,set:needs-broadcast}${tag:+,set:$tag}${ip:+,$ip}${name:+,$name}"
+}
+
+dhcp_tag_add() {
+ local cfg="$1"
+
+ tag="$cfg"
+
+ [ -n "$tag" ] || return 0
+
+ config_get_bool force "$cfg" force 0
+ [ "$force" = "0" ] && force=
+
+ config_get option "$cfg" dhcp_option
+ for o in $option; do
+ xappend "--dhcp-option${force:+-force}=tag:$tag,$o"
+ done
+}
+
+dhcp_mac_add() {
+ local cfg="$1"
+
+ config_get networkid "$cfg" networkid
+ [ -n "$networkid" ] || return 0
+
+ config_get mac "$cfg" mac
+ [ -n "$mac" ] || return 0
+
+ xappend "--dhcp-mac=$networkid,$mac"
+
+ dhcp_option_add "$cfg" "$networkid"
+}
+
+dhcp_boot_add() {
+ local cfg="$1"
+
+ config_get networkid "$cfg" networkid
+
+ config_get filename "$cfg" filename
+ [ -n "$filename" ] || return 0
+
+ config_get servername "$cfg" servername
+ config_get serveraddress "$cfg" serveraddress
+
+ [ -n "$serveraddress" -a ! -n "$servername" ] && return 0
+
+ xappend "--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
+
+ config_get_bool force "$cfg" force 0
+
+ dhcp_option_add "$cfg" "$networkid" "$force"
+}
+
+
+dhcp_add() {
+ local cfg="$1"
+ config_get net "$cfg" interface
+ [ -n "$net" ] || return 0
+
+ config_get dhcpv4 "$cfg" dhcpv4
+ [ "$dhcpv4" != "disabled" ] || return 0
+
+ config_get networkid "$cfg" networkid
+ [ -n "$networkid" ] || networkid="$net"
+
+ network_get_subnet subnet "$net" || return 0
+ network_get_device ifname "$net" || return 0
+ network_get_protocol proto "$net" || return 0
+
+ [ "$cachelocal" = "0" ] && network_get_dnsserver dnsserver "$net" && {
+ DNS_SERVERS="$DNS_SERVERS $dnsserver"
+ }
+
+ append_bool "$cfg" ignore "--no-dhcp-interface=$ifname" && return 0
+
+ # Do not support non-static interfaces for now
+ [ static = "$proto" ] || return 0
+
+ # Override interface netmask with dhcp config if applicable
+ config_get netmask "$cfg" netmask "${subnet##*/}"
+
+ #check for an already active dhcp server on the interface, unless 'force' is set
+ config_get_bool force "$cfg" force 0
+ [ $force -gt 0 ] || dhcp_check "$ifname" || return 0
+
+ config_get start "$cfg" start
+ config_get limit "$cfg" limit
+ config_get leasetime "$cfg" leasetime
+ config_get options "$cfg" options
+ config_get_bool dynamicdhcp "$cfg" dynamicdhcp 1
+
+ leasetime="${leasetime:-12h}"
+ start="$(dhcp_calc "${start:-100}")"
+ limit="${limit:-150}"
+ [ "$limit" -gt 0 ] && limit=$((limit-1))
+ eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
+ if [ "$dynamicdhcp" = "0" ]; then END="static"; fi
+ xappend "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"
+
+ dhcp_option_add "$cfg" "$networkid"
+}
+
+dhcp_option_add() {
+ local cfg="$1"
+ local networkid="$2"
+ local force="$3"
+
+ [ "$force" = "0" ] && force=
+
+ config_get dhcp_option "$cfg" dhcp_option
+ for o in $dhcp_option; do
+ xappend "--dhcp-option${force:+-force}=${networkid:+$networkid,}$o"
+ done
+
+}
+
+dhcp_domain_add() {
+ local cfg="$1"
+ local ip name names record
+
+ config_get names "$cfg" name "$2"
+ [ -n "$names" ] || return 0
+
+ config_get ip "$cfg" ip "$3"
+ [ -n "$ip" ] || return 0
+
+ for name in $names; do
+ record="${record:+$record }$name"
+ done
+
+ echo "$ip $record" >> $HOSTFILE
+}
+
+dhcp_srv_add() {
+ local cfg="$1"
+
+ config_get srv "$cfg" srv
+ [ -n "$srv" ] || return 0
+
+ config_get target "$cfg" target
+ [ -n "$target" ] || return 0
+
+ config_get port "$cfg" port
+ [ -n "$port" ] || return 0
+
+ config_get class "$cfg" class
+ config_get weight "$cfg" weight
+
+ local service="$srv,$target,$port${class:+,$class${weight:+,$weight}}"
+
+ xappend "--srv-host=$service"
+}
+
+dhcp_mx_add() {
+ local cfg="$1"
+ local domain relay pref
+
+ config_get domain "$cfg" domain
+ [ -n "$domain" ] || return 0
+
+ config_get relay "$cfg" relay
+ [ -n "$relay" ] || return 0
+
+ config_get pref "$cfg" pref 0
+
+ local service="$domain,$relay,$pref"
+
+ xappend "--mx-host=$service"
+}
+
+dhcp_cname_add() {
+ local cfg="$1"
+ local cname target
+
+ config_get cname "$cfg" cname
+ [ -n "$cname" ] || return 0
+
+ config_get target "$cfg" target
+ [ -n "$target" ] || return 0
+
+ xappend "--cname=${cname},${target}"
+}
+
+dhcp_hostrecord_add() {
+ local cfg="$1"
+ local names addresses record val
+
+ config_get names "$cfg" name "$2"
+ if [ -z "$names" ]; then
+ return 0
+ fi
+
+ config_get addresses "$cfg" ip "$3"
+ if [ -z "$addresses" ]; then
+ return 0
+ fi
+
+ for val in $names $addresses; do
+ record="${record:+$record,}$val"
+ done
+
+ xappend "--host-record=$record"
+}
+
+service_triggers()
+{
+ procd_add_reload_trigger "dhcp"
+}
+
+boot() {
+ # Will be launched through hotplug
+ return 0
+}
+
+start_service() {
+ include /lib/functions
+
+ config_load dhcp
+
+ procd_open_instance
+ procd_set_param command $PROG -C $CONFIGFILE -k -x /var/run/dnsmasq/dnsmasq.pid
+ procd_set_param file $CONFIGFILE
+ procd_set_param respawn
+
+ procd_add_jail dnsmasq ubus log
+ 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
+ procd_add_jail_mount_rw /var/run/dnsmasq/ /tmp/dhcp.leases $TIMESTAMPFILE
+
+ procd_close_instance
+
+ # before we can call xappend
+ mkdir -p /var/run/dnsmasq/
+ mkdir -p $(dirname $CONFIGFILE)
+ mkdir -p /var/lib/misc
+ touch /tmp/dhcp.leases
+
+ if [ ! -f "$TIMESTAMPFILE" ]; then
+ touch "$TIMESTAMPFILE"
+ chown nobody.nogroup "$TIMESTAMPFILE"
+ fi
+
+ echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE
+ echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
+
+ # if we did this last, we could override auto-generated config
+ [ -f /etc/dnsmasq.conf ] && {
+ xappend "--conf-file=/etc/dnsmasq.conf"
+ }
+
+ args=""
+ config_foreach dnsmasq dnsmasq
+ config_foreach dhcp_host_add host
+ echo >> $CONFIGFILE
+ config_foreach dhcp_boot_add boot
+ config_foreach dhcp_mac_add mac
+ config_foreach dhcp_tag_add tag
+ config_foreach dhcp_vendorclass_add vendorclass
+ config_foreach dhcp_userclass_add userclass
+ config_foreach dhcp_circuitid_add circuitid
+ config_foreach dhcp_remoteid_add remoteid
+ config_foreach dhcp_subscrid_add subscrid
+ config_foreach dhcp_domain_add domain
+ config_foreach dhcp_hostrecord_add hostrecord
+
+ # add own hostname
+ local lanaddr
+ [ $ADD_LOCAL_HOSTNAME -eq 1 ] && network_get_ipaddr lanaddr "lan" && {
+ local hostname="$(uci_get system @system[0] hostname OpenWrt)"
+ dhcp_domain_add "" "$hostname" "$lanaddr"
+ }
+
+ echo >> $CONFIGFILE
+ config_foreach dhcp_srv_add srvhost
+ config_foreach dhcp_mx_add mxhost
+ echo >> $CONFIGFILE
+
+ config_get odhcpd_is_active odhcpd maindhcp
+ if [ "$odhcpd_is_active" != "1" ]; then
+ config_foreach dhcp_add dhcp
+ fi
+
+ echo >> $CONFIGFILE
+ config_foreach dhcp_cname_add cname
+ echo >> $CONFIGFILE
+
+ rm -f /tmp/resolv.conf
+ [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
+ echo "search $DOMAIN" >> /tmp/resolv.conf
+ }
+ DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
+ for DNS_SERVER in $DNS_SERVERS ; do
+ echo "nameserver $DNS_SERVER" >> /tmp/resolv.conf
+ done
+}
+
+reload_service() {
+ rc_procd start_service "$@"
+ return 0
+}
+
+stop_service() {
+ [ -f /tmp/resolv.conf ] && {
+ rm -f /tmp/resolv.conf
+ ln -s /tmp/resolv.conf.auto /tmp/resolv.conf
+ }
+ rm -f /var/run/dnsmasq.*.dhcp
+}