BASECONFIGFILE="/var/etc/dnsmasq.conf"
BASEHOSTFILE="/tmp/hosts/dhcp"
-BASETIMESTAMPFILE="/etc/dnsmasq.time"
TRUSTANCHORSFILE="/usr/share/dnsmasq/trust-anchors.conf"
TIMEVALIDFILE="/var/state/dnsmasqsec"
BASEDHCPSTAMPFILE="/var/run/dnsmasq"
+DHCPBOGUSHOSTNAMEFILE="/usr/share/dnsmasq/dhcpbogushostname.conf"
+RFC6761FILE="/usr/share/dnsmasq/rfc6761.conf"
+DHCPSCRIPT="/usr/lib/dnsmasq/dhcp-script.sh"
DNSMASQ_DHCP_VER=4
logger -t dnsmasq "$@"
}
+has_handler() {
+ local file
+
+ for file in /etc/hotplug.d/dhcp/* /etc/hotplug.d/tftp/* /etc/hotplug.d/neigh/*; do
+ [ -f "$file" ] && return 0
+ done
+
+ return 1
+}
+
append_bool() {
local section="$1"
local option="$2"
local value="$3"
+ local default="$4"
local _loctmp
- config_get_bool _loctmp "$section" "$option" 0
+ [ -z "$default" ] && default="0"
+ config_get_bool _loctmp "$section" "$option" "$default"
[ $_loctmp -gt 0 ] && xappend "$value"
}
xappend "--server=$1"
}
+append_rev_server() {
+ xappend "--rev-server=$1"
+}
+
append_address() {
xappend "--address=$1"
}
}
append_interface() {
- network_get_device ifname "$1" || return
+ network_get_device ifname "$1" || ifname="$1"
xappend "--interface=$ifname"
}
+append_listenaddress() {
+ xappend "--listen-address=$1"
+}
+
append_notinterface() {
- network_get_device ifname "$1" || return
+ network_get_device ifname "$1" || ifname="$1"
xappend "--except-interface=$ifname"
}
xappend "--pxe-service=$1"
}
+append_interface_name() {
+ xappend "--interface-name=$1,$2"
+}
+
filter_dnsmasq() {
local cfg="$1" func="$2" match_cfg="$3" found_cfg
dhcp_host_add() {
local cfg="$1"
- local hosttag nametime addrs
+ local hosttag nametime addrs duids macs tags
config_get_bool force "$cfg" force 0
config_get_bool dns "$cfg" dns 0
[ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
- echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
+ echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE_TMP
}
config_get mac "$cfg" mac
if [ -n "$mac" ]; then
# --dhcp-host=00:20:e0:3b:13:af,192.168.0.199,lap
# many MAC are possible to track a laptop ON/OFF dock
- macs=""
for m in $mac; do append macs "$m" ","; done
fi
fi
if [ -n "$hostid" ]; then
- hex_to_hostid hostid "$hostid"
+ hex_to_hostid hostid "$hostid"
+ fi
+
+ if [ -n "$tag" ]; then
+ for t in $tag; do append tags "$t" ",set:"; done
fi
config_get_bool broadcast "$cfg" broadcast 0
[ "$broadcast" = "0" ] && broadcast= || broadcast=",set:needs-broadcast"
- hosttag="${networkid:+,set:${networkid}}${tag:+,set:${tag}}$broadcast"
+ hosttag="${networkid:+,set:${networkid}}${tags:+,set:${tags}}$broadcast"
nametime="${name:+,$name}${leasetime:+,$leasetime}"
if [ $DNSMASQ_DHCP_VER -eq 6 ]; then
if [ "$mode" -gt 1 ] ; then
if [ "$mode" -gt 2 ] ; then
if [ "$mode" -gt 3 ] ; then
- xappend "--interface-name=$ifdashname.$routername.$DOMAIN,$ifname"
+ append_interface_name "$ifdashname.$routername.$DOMAIN" "$ifname"
fi
- xappend "--interface-name=$routername.$DOMAIN,$ifname"
+ append_interface_name "$routername.$DOMAIN" "$ifname"
fi
# All IP addresses discovered by dnsmasq will be labeled (except fe80::)
- xappend "--interface-name=$routername,$ifname"
+ append_interface_name "$routername" "$ifname"
else
# This uses a static host file entry for only limited addresses.
for lanaddr6 in $lanaddrs6 ; do
case "$lanaddr6" in
"${ulaprefix%%:/*}"*)
- dhcp_domain_add "" "$routername" "$lanaddr6"
- ;;
+ dhcp_domain_add "" "$routername" "$lanaddr6"
+ ;;
esac
done
fi
local cfg="$1"
local dhcp6range="::"
local nettag
+ local tags
config_get net "$cfg" interface
[ -n "$net" ] || return 0
config_get networkid "$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 $dnsserver"
return 0
}
+ network_get_subnet subnet "$net" || return 0
+ network_get_protocol proto "$net" || return 0
+
# Do not support non-static interfaces for now
[ static = "$proto" ] || return 0
config_get ra "$cfg" ra
config_get ra_management "$cfg" ra_management
config_get ra_preference "$cfg" ra_preference
+ config_get dns "$cfg" dns
+
+ config_list_foreach "$cfg" "interface_name" append_interface_name "$ifname"
# Put the router host name on this DHCP served interface address(es)
dhcp_this_host_add "$net" "$ifname" "$ADD_LOCAL_FQDN"
start="$( dhcp_calc "$start" )"
+
+ add_tag() {
+ tags="${tags}tag:$1,"
+ }
+ config_list_foreach "$cfg" tag add_tag
+
nettag="${networkid:+set:${networkid},}"
if [ "$limit" -gt 0 ] ; then
if [ "$dhcpv4" != "disabled" ] ; then
- xappend "--dhcp-range=$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
+ xappend "--dhcp-range=$tags$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
fi
xappend "--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
;;
esac
+
+ if [ -n "$dns" ]; then
+ dnss=""
+ for d in $dns; do append dnss "[$d]" ","; done
+ else
+ dnss="[::]"
+ fi
+
+ dhcp_option_append "option6:dns-server,$dnss" "$networkid"
fi
- dhcp_option_add "$cfg" "$networkid"
+ dhcp_option_add "$cfg" "$networkid" 0
+ dhcp_option_add "$cfg" "$networkid" 2
+}
+
+dhcp_option_append() {
+ local option="$1"
+ local networkid="$2"
+ local force="$3"
+
+ xappend "--dhcp-option${force:+-force}=${networkid:+$networkid,}$option"
}
dhcp_option_add() {
local cfg="$1"
local networkid="$2"
local force="$3"
+ local opt="dhcp_option"
[ "$force" = "0" ] && force=
+ [ "$force" = "2" ] && opt="dhcp_option_force"
- config_get dhcp_option "$cfg" dhcp_option
- for o in $dhcp_option; do
- xappend "--dhcp-option${force:+-force}=${networkid:+$networkid,}$o"
- done
+ local list_len
+ config_get list_len "$cfg" "${opt}_LENGTH"
+ if [ -n "$list_len" ]; then
+ config_list_foreach "$cfg" "$opt" dhcp_option_append "$networkid" "$force"
+ else
+ config_get dhcp_option "$cfg" "$opt"
+
+ [ -n "$dhcp_option" ] && echo "Warning: the 'option $opt' syntax is deprecated, use 'list $opt'" >&2
+
+ local option
+ for option in $dhcp_option; do
+ dhcp_option_append "$option" "$networkid" "$force"
+ done
+ fi
}
dhcp_domain_add() {
record="${record:+$record }$name"
done
- echo "$ip $record" >> $HOSTFILE
+ echo "$ip $record" >> $HOSTFILE_TMP
}
dhcp_srv_add() {
if [ -z "$interface" ]; then
xappend "--dhcp-relay=$local_addr,$server_addr"
else
- xappend "--dhcp-relay=$local_addr,$server_addr,$interface"
+ network_get_device ifname "$interface" || return
+ xappend "--dhcp-relay=$local_addr,$server_addr,$ifname"
fi
}
dnsmasq_start()
{
- local cfg="$1" disabled
+ local cfg="$1"
+ local disabled user_dhcpscript
+ local resolvfile localuse=0
config_get_bool disabled "$cfg" disabled 0
[ "$disabled" -gt 0 ] && return 0
CONFIGFILE="${BASECONFIGFILE}.${cfg}"
CONFIGFILE_TMP="${CONFIGFILE}.$$"
HOSTFILE="${BASEHOSTFILE}.${cfg}"
- TIMESTAMPFILE="${BASETIMESTAMPFILE}.${cfg}"
+ HOSTFILE_TMP="${HOSTFILE}.$$"
BASEDHCPSTAMPFILE_CFG="${BASEDHCPSTAMPFILE}.${cfg}"
# before we can call xappend
mkdir -p /var/lib/misc
chown dnsmasq:dnsmasq /var/run/dnsmasq
- [ -f "$TIMESTAMPFILE" ] && rm -f "$TIMESTAMPFILE"
-
echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE_TMP
- echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE
+ echo "# auto-generated config file from /etc/config/dhcp" > $HOSTFILE_TMP
+
+ local dnsmasqconffile="/etc/dnsmasq.${cfg}.conf"
+ if [ ! -r "$dnsmasqconffile" ]; then
+ dnsmasqconffile=/etc/dnsmasq.conf
+ fi
# if we did this last, we could override auto-generated config
- [ -f /etc/dnsmasq.conf ] && {
- xappend "--conf-file=/etc/dnsmasq.conf"
+ [ -f "${dnsmasqconffile}" ] && {
+ xappend "--conf-file=${dnsmasqconffile}"
}
$PROG --version | grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE=1 || DHCPv6CAPABLE=0
if [ -x /usr/sbin/odhcpd -a -x /etc/init.d/odhcpd ] ; then
local odhcpd_is_main odhcpd_is_enabled
- config_get odhcpd_is_main odhcpd maindhcp
+ config_get odhcpd_is_main odhcpd maindhcp 0
/etc/init.d/odhcpd enabled && odhcpd_is_enabled=1 || odhcpd_is_enabled=0
DNSMASQ_DHCP_VER=4
fi
+ # Allow DHCP/DHCPv6 to be handled by ISC DHCPD
+ if [ -x /usr/sbin/dhcpd ] ; then
+ if [ -x /etc/init.d/dhcpd ] ; then
+ /etc/init.d/dhcpd enabled && DNSMASQ_DHCP_VER=0
+ fi
+ if [ -x /etc/init.d/dhcpd6 -a "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
+ /etc/init.d/dhcpd6 enabled && DNSMASQ_DHCP_VER=4
+ fi
+ fi
append_bool "$cfg" authoritative "--dhcp-authoritative"
append_bool "$cfg" nodaemon "--no-daemon"
append_bool "$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" ubus "--enable-ubus" 1
append_bool "$cfg" expandhosts "--expand-hosts"
config_get tftp_root "$cfg" "tftp_root"
- [ -d "$tftp_root" ] && append_bool "$cfg" enable_tftp "--enable-tftp"
+ [ -n "$tftp_root" ] && mkdir -p "$tftp_root" && append_bool "$cfg" enable_tftp "--enable-tftp"
append_bool "$cfg" tftp_no_fail "--tftp-no-fail"
- append_bool "$cfg" nonwildcard "--bind-dynamic"
+ append_bool "$cfg" nonwildcard "--bind-dynamic" 1
append_bool "$cfg" fqdn "--dhcp-fqdn"
append_bool "$cfg" proxydnssec "--proxy-dnssec"
append_bool "$cfg" localservice "--local-service"
append_bool "$cfg" sequential_ip "--dhcp-sequential-ip"
append_bool "$cfg" allservers "--all-servers"
append_bool "$cfg" noping "--no-ping"
+ append_bool "$cfg" rapidcommit "--dhcp-rapid-commit"
append_parm "$cfg" logfacility "--log-facility"
- 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 "$cfg" "maxport" "--max-port"
append_parm "$cfg" "domain" "--domain"
append_parm "$cfg" "local" "--server"
+ config_list_foreach "$cfg" "listen_address" append_listenaddress
config_list_foreach "$cfg" "server" append_server
+ config_list_foreach "$cfg" "rev_server" append_rev_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
+ [ -n "$BOOT" ] || {
+ config_list_foreach "$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" "/tmp/dhcp.leases"
- append_parm "$cfg" "resolvfile" "--resolv-file" "/tmp/resolv.conf.auto"
append_parm "$cfg" "serversfile" "--servers-file"
append_parm "$cfg" "tftp_root" "--tftp-root"
append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
ADD_LOCAL_FQDN="$ADD_LOCAL_HOSTNAME"
fi
- config_get_bool readethers "$cfg" readethers
- [ "$readethers" = "1" -a \! -e "/etc/ethers" ] && touch /etc/ethers
-
- config_get resolvfile $cfg resolvfile
- config_get dhcpscript $cfg dhcpscript
+ config_get user_dhcpscript $cfg dhcpscript
+ if has_handler || [ -n "$user_dhcpscript" ]; then
+ xappend "--dhcp-script=$DHCPSCRIPT"
+ fi
config_get leasefile $cfg leasefile "/tmp/dhcp.leases"
[ -n "$leasefile" -a \! -e "$leasefile" ] && touch "$leasefile"
config_get_bool noresolv "$cfg" noresolv 0
if [ "$noresolv" != "1" ]; then
- config_get resolvfile "$cfg" resolvfile "/tmp/resolv.conf.auto"
- # So jail doesn't complain if file missing
- [ -n "$resolvfile" -a \! -e "$resolvfile" ] && touch "$resolvfile"
+ config_get resolvfile "$cfg" resolvfile /tmp/resolv.conf.auto
+ [ -n "$resolvfile" -a ! -e "$resolvfile" ] && touch "$resolvfile"
+ xappend "--resolv-file=$resolvfile"
+ [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && localuse=1
fi
+ config_get_bool localuse "$cfg" localuse "$localuse"
config_get hostsfile "$cfg" dhcphostsfile
[ -e "$hostsfile" ] && xappend "--dhcp-hostsfile=$hostsfile"
}
dhcp_option_add "$cfg" "" 0
+ dhcp_option_add "$cfg" "" 2
xappend "--dhcp-broadcast=tag:needs-broadcast"
xappend "--addn-hosts=$(dirname $HOSTFILE)"
config_get dnsmasqconfdir "$cfg" confdir "/tmp/dnsmasq.d"
- [ ! -d "$dnsmasqconfdir" ] && mkdir -p $dnsmasqconfdir
xappend "--conf-dir=$dnsmasqconfdir"
+ dnsmasqconfdir="${dnsmasqconfdir%%,*}"
+ [ ! -d "$dnsmasqconfdir" ] && mkdir -p $dnsmasqconfdir
xappend "--user=dnsmasq"
xappend "--group=dnsmasq"
echo >> $CONFIGFILE_TMP
config_foreach filter_dnsmasq host dhcp_host_add "$cfg"
echo >> $CONFIGFILE_TMP
+
+ config_get_bool dhcpbogushostname "$cfg" dhcpbogushostname 1
+ [ "$dhcpbogushostname" -gt 0 ] && {
+ xappend "--dhcp-ignore-names=tag:dhcp_bogus_hostname"
+ [ -r "$DHCPBOGUSHOSTNAMEFILE" ] && xappend "--conf-file=$DHCPBOGUSHOSTNAMEFILE"
+ }
+
config_foreach filter_dnsmasq boot dhcp_boot_add "$cfg"
config_foreach filter_dnsmasq mac dhcp_mac_add "$cfg"
config_foreach filter_dnsmasq tag dhcp_tag_add "$cfg"
config_foreach filter_dnsmasq match dhcp_match_add "$cfg"
config_foreach filter_dnsmasq domain dhcp_domain_add "$cfg"
config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add "$cfg"
- config_foreach filter_dnsmasq relay dhcp_relay_add "$cfg"
+ [ -n "$BOOT" ] || config_foreach filter_dnsmasq relay dhcp_relay_add "$cfg"
echo >> $CONFIGFILE_TMP
config_foreach filter_dnsmasq srvhost dhcp_srv_add "$cfg"
config_foreach filter_dnsmasq mxhost dhcp_mx_add "$cfg"
echo >> $CONFIGFILE_TMP
+ config_get_bool boguspriv "$cfg" boguspriv 1
+ [ "$boguspriv" -gt 0 ] && {
+ xappend "--bogus-priv"
+ [ -r "$RFC6761FILE" ] && xappend "--conf-file=$RFC6761FILE"
+ }
if [ "$DNSMASQ_DHCP_VER" -gt 4 ] ; then
# Enable RA feature for when/if it is constructed,
# and RA is selected per interface pool (RA, DHCP, or both),
# but no one (should) want RA broadcast in syslog
- config_foreach dhcp_add dhcp
+ [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add "$cfg"
xappend "--enable-ra"
xappend "--quiet-ra"
+ append_bool "$cfg" quietdhcp "--quiet-dhcp6"
elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
- config_foreach dhcp_add dhcp
+ [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add "$cfg"
fi
echo >> $CONFIGFILE_TMP
mv -f $CONFIGFILE_TMP $CONFIGFILE
+ mv -f $HOSTFILE_TMP $HOSTFILE
- [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
+ [ "$localuse" -gt 0 ] && {
rm -f /tmp/resolv.conf
[ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
echo "search $DOMAIN" >> /tmp/resolv.conf
procd_open_instance $cfg
procd_set_param command $PROG -C $CONFIGFILE -k -x /var/run/dnsmasq/dnsmasq."${cfg}".pid
procd_set_param file $CONFIGFILE
+ [ -n "$user_dhcpscript" ] && procd_set_param env USER_DHCPSCRIPT="$user_dhcpscript"
procd_set_param respawn
- local dnsmasqconffile="/etc/dnsmasq.${cfg}.conf"
- if [ ! -r "$dnsmasqconffile" ]; then
- dnsmasqconffile=/etc/dnsmasq.conf
- fi
-
procd_add_jail dnsmasq ubus log
- procd_add_jail_mount $CONFIGFILE $TRUSTANCHORSFILE $HOSTFILE /etc/passwd /etc/group /etc/TZ /dev/null /dev/urandom $dnsmasqconffile $dnsmasqconfdir $resolvfile $dhcpscript /etc/hosts /etc/ethers $EXTRA_MOUNT
+ procd_add_jail_mount $CONFIGFILE $TRUSTANCHORSFILE $HOSTFILE $RFC6761FILE $DHCPBOGUSHOSTNAMEFILE /etc/passwd /etc/group /etc/TZ /dev/null /dev/urandom $dnsmasqconffile $dnsmasqconfdir $resolvfile $user_dhcpscript /etc/hosts /etc/ethers /sbin/hotplug-call $EXTRA_MOUNT $DHCPSCRIPT
procd_add_jail_mount_rw /var/run/dnsmasq/ $leasefile
procd_close_instance
dnsmasq_stop()
{
local cfg="$1"
+ local noresolv resolvfile localuse=0
+ config_get_bool noresolv "$cfg" noresolv 0
config_get resolvfile "$cfg" "resolvfile"
- #relink /tmp/resolve.conf only for main instance
- [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
- [ -f /tmp/resolv.conf ] && {
- rm -f /tmp/resolv.conf
- ln -s "$resolvfile" /tmp/resolv.conf
- }
- }
+ [ "$noresolv" = 0 -a "$resolvfile" = "/tmp/resolv.conf.auto" ] && localuse=1
+ config_get_bool localuse "$cfg" localuse "$localuse"
+ [ "$localuse" -gt 0 ] && ln -sf "/tmp/resolv.conf.auto" /tmp/resolv.conf
rm -f ${BASEDHCPSTAMPFILE}.${cfg}.*.dhcp
}
+add_interface_trigger()
+{
+ local interface ignore
+
+ config_get interface "$1" interface
+ config_get_bool ignore "$1" ignore 0
+
+ [ -n "$interface" -a $ignore -eq 0 ] && procd_add_interface_trigger "interface.*" "$interface" /etc/init.d/dnsmasq reload
+}
+
service_triggers()
{
- procd_add_reload_trigger "dhcp"
- procd_add_raw_trigger "interface.*" 2000 /etc/init.d/dnsmasq reload
+ procd_add_reload_trigger "dhcp" "system"
+
+ config_load dhcp
+ config_foreach add_interface_trigger dhcp
+ config_foreach add_interface_trigger relay
}
boot()
local instance="$1"
local instance_found=0
- [ -n "$BOOT" ] && return
-
. /lib/functions/network.sh
config_cb() {
reload_service() {
rc_procd start_service "$@"
- return 0
+ procd_send_signal dnsmasq "$@"
}
stop_service() {