trunk-47381HEADmaster

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
+}