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"
+DHCPSCRIPT_DEPENDS="/usr/share/libubox/jshn.sh /usr/bin/jshn /bin/ubus"
DNSMASQ_DHCP_VER=4
+dnsmasq_ignore_opt() {
+ local opt="$1"
+
+ if [ -z "$dnsmasq_features" ]; then
+ dnsmasq_features="$(dnsmasq --version | grep -m1 'Compile time options:' | cut -d: -f2) "
+ [ "${dnsmasq_features#* DHCP }" = "$dnsmasq_features" ] || dnsmasq_has_dhcp=1
+ [ "${dnsmasq_features#* DHCPv6 }" = "$dnsmasq_features" ] || dnsmasq_has_dhcp6=1
+ [ "${dnsmasq_features#* DNSSEC }" = "$dnsmasq_features" ] || dnsmasq_has_dnssec=1
+ [ "${dnsmasq_features#* TFTP }" = "$dnsmasq_features" ] || dnsmasq_has_tftp=1
+ [ "${dnsmasq_features#* ipset }" = "$dnsmasq_features" ] || dnsmasq_has_ipset=1
+ [ "${dnsmasq_features#* nftset }" = "$dnsmasq_features" ] || dnsmasq_has_nftset=1
+ fi
+
+ case "$opt" in
+ dhcp-duid|\
+ ra-param)
+ [ -z "$dnsmasq_has_dhcp6" ] ;;
+ dhcp-*|\
+ bootp-*|\
+ pxe-*)
+ [ -z "$dnsmasq_has_dhcp" ] ;;
+ dnssec*|\
+ trust-anchor)
+ if [ -z "$dnsmasq_has_dnssec" ]; then
+ echo "dnsmasq: \"$opt\" requested, but dnssec support is not available" >&2
+ exit 1
+ fi
+ return 1
+ ;;
+ tftp-*)
+ [ -z "$dnsmasq_has_tftp" ] ;;
+ ipset)
+ [ -z "$dnsmasq_has_ipset" ] ;;
+ nftset)
+ [ -z "$dnsmasq_has_nftset" ] ;;
+ *)
+ return 1
+ esac
+}
+
xappend() {
- local value="$1"
+ local value="${1#--}"
+ local opt="${value%%=*}"
- echo "${value#--}" >> $CONFIGFILE_TMP
+ if ! dnsmasq_ignore_opt "$opt"; then
+ echo "$value" >>$CONFIGFILE_TMP
+ fi
}
hex_to_hostid() {
[ -s "$stamp" ] && return $(cat "$stamp")
- # If there's no carrier yet, skip this interface.
+ # If interface is down, skip it.
# The init script will be called again once the link is up
- case "$(devstatus "$ifname" | jsonfilter -e @.carrier)" in
+ case "$(devstatus "$ifname" | jsonfilter -e @.up)" in
false) return 1;;
esac
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 $rv
}
logger -t dnsmasq "$@"
}
+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_ipset() {
- xappend "--ipset=$1"
+append_connmark_allowlist() {
+ xappend "--connmark-allowlist=$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"
}
+ismounted() {
+ local filename="$1"
+ local dirname
+ for dirname in $EXTRA_MOUNT ; do
+ case "$filename" in
+ "${dirname}/"* | "${dirname}" )
+ return 0
+ ;;
+ esac
+ done
+
+ return 1
+}
+
+append_extramount() {
+ ismounted "$1" || append EXTRA_MOUNT "$1"
+}
+
append_addnhosts() {
+ append_extramount "$1"
xappend "--addn-hosts=$1"
}
xappend "--pxe-service=$1"
}
+append_interface_name() {
+ xappend "--interface-name=$1,$2"
+}
+
filter_dnsmasq() {
local cfg="$1" func="$2" match_cfg="$3" found_cfg
# use entry when no instance entry set, or if it matches
config_get found_cfg "$cfg" "instance"
- if [ -z "$found_cfg" -o "$found_cfg" = "$match_cfg" ]; then
+ if [ -z "$found_cfg" ] || [ "$found_cfg" = "$match_cfg" ]; then
$func $cfg
fi
}
config_get subscriberid "$cfg" subscriberid
[ -n "$subscriberid" ] || return 0
- xappend "--dhcp-subscrid=$networkid,$subscriberid"
+ xappend "--dhcp-subscrid=set:$networkid,$subscriberid"
config_get_bool force "$cfg" force 0
config_get remoteid "$cfg" remoteid
[ -n "$remoteid" ] || return 0
- xappend "--dhcp-remoteid=$networkid,$remoteid"
+ xappend "--dhcp-remoteid=set:$networkid,$remoteid"
config_get_bool force "$cfg" force 0
config_get circuitid "$cfg" circuitid
[ -n "$circuitid" ] || return 0
- xappend "--dhcp-circuitid=$networkid,$circuitid"
+ xappend "--dhcp-circuitid=set:$networkid,$circuitid"
config_get_bool force "$cfg" force 0
config_get userclass "$cfg" userclass
[ -n "$userclass" ] || return 0
- xappend "--dhcp-userclass=$networkid,$userclass"
+ xappend "--dhcp-userclass=set:$networkid,$userclass"
config_get_bool force "$cfg" force 0
config_get vendorclass "$cfg" vendorclass
[ -n "$vendorclass" ] || return 0
- xappend "--dhcp-vendorclass=$networkid,$vendorclass"
+ xappend "--dhcp-vendorclass=set:$networkid,$vendorclass"
config_get_bool force "$cfg" force 0
config_get match "$cfg" match
[ -n "$match" ] || return 0
- xappend "--dhcp-match=$networkid,$match"
+ xappend "--dhcp-match=set:$networkid,$match"
config_get_bool force "$cfg" force 0
dhcp_host_add() {
local cfg="$1"
- local hosttag nametime addrs
+ local hosttag nametime addrs duids macs tags mtags
config_get_bool force "$cfg" force 0
config_get ip "$cfg" ip
config_get hostid "$cfg" hostid
- [ -n "$ip" -o -n "$name" -o -n "$hostid" ] || return 0
+ [ -z "$ip" ] && [ -z "$name" ] && [ -z "$hostid" ] && return 0
config_get_bool dns "$cfg" dns 0
- [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && {
- echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE
+ [ "$dns" = "1" ] && [ -n "$ip" ] && [ -n "$name" ] && {
+ echo "$ip $name${DOMAIN:+.$DOMAIN}" >> $HOSTFILE_TMP
}
config_get mac "$cfg" mac
config_get duid "$cfg" duid
config_get tag "$cfg" tag
+ add_tag() {
+ mtags="${mtags}tag:$1,"
+ }
+ config_list_foreach "$cfg" match_tag add_tag
+
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
- if [ $DNSMASQ_DHCP_VER -eq 6 -a -n "$duid" ]; then
+ if [ $DNSMASQ_DHCP_VER -eq 6 ] && [ -n "$duid" ]; then
# --dhcp-host=id:00:03:00:01:12:00:00:01:02:03,[::beef],lap
# one (virtual) machine gets one DUID per RFC3315
duids="id:${duid// */}"
fi
- if [ -z "$macs" -a -z "$duids" ]; then
+ if [ -z "$macs" ] && [ -z "$duids" ]; then
# --dhcp-host=lap,192.168.0.199,[::beef]
[ -n "$name" ] || return 0
macs="$name"
fi
if [ -n "$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 [ $DNSMASQ_DHCP_VER -eq 6 ]; then
addrs="${ip:+,$ip}${hostid:+,[::$hostid]}"
- xappend "--dhcp-host=$macs${duids:+,$duids}$hosttag$addrs$nametime"
+ xappend "--dhcp-host=$mtags$macs${duids:+,$duids}$hosttag$addrs$nametime"
else
- xappend "--dhcp-host=$macs$hosttag${ip:+,$ip}$nametime"
+ xappend "--dhcp-host=$mtags$macs$hosttag${ip:+,$ip}$nametime"
fi
}
if [ "$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.
dhcp_domain_add "" "$routername" "$lanaddr"
fi
- if [ -n "$ulaprefix" -a -n "$lanaddrs6" ] ; then
+ if [ -n "$ulaprefix" ] && [ -n "$lanaddrs6" ] ; then
for lanaddr6 in $lanaddrs6 ; do
case "$lanaddr6" in
"${ulaprefix%%:/*}"*)
- dhcp_domain_add "" "$routername" "$lanaddr6"
- ;;
+ dhcp_domain_add "" "$routername" "$lanaddr6"
+ ;;
esac
done
fi
config_get servername "$cfg" servername
config_get serveraddress "$cfg" serveraddress
- [ -n "$serveraddress" -a ! -n "$servername" ] && return 0
+ [ -n "$serveraddress" ] && [ ! -n "$servername" ] && return 0
xappend "--dhcp-boot=${networkid:+net:$networkid,}${filename}${servername:+,$servername}${serveraddress:+,$serveraddress}"
dhcp_option_add "$cfg" "$networkid" "$force"
}
-
dhcp_add() {
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
+ ipaddr="${subnet%%/*}"
+ prefix_or_netmask="${subnet##*/}"
+
# Override interface netmask with dhcp config if applicable
- config_get netmask "$cfg" netmask "${subnet##*/}"
+ config_get netmask "$cfg" netmask
- #check for an already active dhcp server on the interface, unless 'force' is set
- config_get_bool force "$cfg" force 0
- [ $force -gt 0 ] || dhcp_check "$ifname" || return 0
+ [ -n "$netmask" ] && prefix_or_netmask="$netmask"
config_get start "$cfg" start 100
config_get limit "$cfg" limit 150
config_get leasetime "$cfg" leasetime 12h
config_get options "$cfg" options
config_get_bool dynamicdhcp "$cfg" dynamicdhcp 1
+ config_get_bool dynamicdhcpv4 "$cfg" dynamicdhcpv4 $dynamicdhcp
+ config_get_bool dynamicdhcpv6 "$cfg" dynamicdhcpv6 $dynamicdhcp
config_get dhcpv4 "$cfg" dhcpv4
config_get dhcpv6 "$cfg" dhcpv6
config_get ra "$cfg" ra
config_get ra_management "$cfg" ra_management
config_get ra_preference "$cfg" ra_preference
+ config_get dns "$cfg" dns
+ config_get dns_sl "$cfg" domain
+
+ 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 [ "$limit" -gt 0 ] ; then
- limit=$((limit-1))
- fi
+ # make sure the DHCP range is not empty
+ if [ "$dhcpv4" != "disabled" ] && ipcalc "$ipaddr/$prefix_or_netmask" "$start" "$limit" ; then
+ [ "$dynamicdhcpv4" = "0" ] && END="static"
- eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)"
+ xappend "--dhcp-range=$tags$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
+ fi
- if [ "$dynamicdhcp" = "0" ] ; then
- END="static"
+ if [ "$dynamicdhcpv6" = "0" ] ; then
dhcp6range="::,static"
else
dhcp6range="::1000,::ffff"
fi
- if [ "$dhcpv4" != "disabled" ] ; then
- xappend "--dhcp-range=$nettag$START,$END,$NETMASK,$leasetime${options:+ $options}"
- fi
-
-
- if [ $DNSMASQ_DHCP_VER -eq 6 -a "$ra" = "server" ] ; then
+ if [ $DNSMASQ_DHCP_VER -eq 6 ] && [ "$ra" = "server" ] ; then
# Note: dnsmasq cannot just be a DHCPv6 server (all-in-1)
# and let some other machine(s) send RA pointing to it.
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"
+
+ if [ -n "$dns_sl" ]; then
+ ddssl=""
+ for dd in $dns_sl; do append ddssl "$dd" ","; done
+ fi
+
+ dhcp_option_append "option6:domain-search,$ddssl" "$networkid"
fi
- dhcp_option_add "$cfg" "$networkid"
+ dhcp_option_add "$cfg" "$networkid" 0
+ dhcp_option_add "$cfg" "$networkid" 2
}
dhcp_option_append() {
local cfg="$1"
local networkid="$2"
local force="$3"
+ local opt="dhcp_option"
[ "$force" = "0" ] && force=
+ [ "$force" = "2" ] && opt="dhcp_option_force"
local list_len
- config_get list_len "$cfg" dhcp_option_LENGTH
+ config_get list_len "$cfg" "${opt}_LENGTH"
if [ -n "$list_len" ]; then
- config_list_foreach "$cfg" dhcp_option dhcp_option_append "$networkid" "$force"
+ config_list_foreach "$cfg" "$opt" dhcp_option_append "$networkid" "$force"
else
- config_get dhcp_option "$cfg" dhcp_option
+ config_get dhcp_option "$cfg" "$opt"
- [ -n "$dhcp_option" ] && echo "Warning: the 'option dhcp_option' syntax is deprecated, use 'list dhcp_option'" >&2
+ [ -n "$dhcp_option" ] && echo "Warning: the 'option $opt' syntax is deprecated, use 'list $opt'" >&2
local option
for option in $dhcp_option; do
record="${record:+$record }$name"
done
- echo "$ip $record" >> $HOSTFILE
+ echo "$ip $record" >> $HOSTFILE_TMP
}
dhcp_srv_add() {
fi
}
+dnsmasq_ipset_add() {
+ local cfg="$1"
+ local ipsets nftsets domains
+
+ add_ipset() {
+ ipsets="${ipsets:+$ipsets,}$1"
+ }
+
+ add_nftset() {
+ local IFS=,
+ for set in $1; do
+ local fam="$family"
+ [ -n "$fam" ] || fam=$(echo "$set" | sed -nre \
+ 's#^.*[^0-9]([46])$|^.*[-_]([46])[-_].*$|^([46])[^0-9].*$#\1\2\3#p')
+ [ -n "$fam" ] || \
+ fam=$(nft -t list set "$table_family" "$table" "$set" 2>&1 | sed -nre \
+ 's#^\t\ttype .*\bipv([46])_addr\b.*$#\1#p')
+
+ [ -n "$fam" ] || \
+ logger -t dnsmasq "Cannot infer address family from non-existent nftables set '$set'"
+
+ nftsets="${nftsets:+$nftsets,}${fam:+$fam#}$table_family#$table#$set"
+ done
+ }
+
+ add_domain() {
+ # leading '/' is expected
+ domains="$domains/$1"
+ }
+
+ config_get table "$cfg" table 'fw4'
+ config_get table_family "$cfg" table_family 'inet'
+ if [ "$table_family" = "ip" ] ; then
+ family="4"
+ elif [ "$table_family" = "ip6" ] ; then
+ family="6"
+ else
+ config_get family "$cfg" family
+ fi
+
+ config_list_foreach "$cfg" "name" add_ipset
+ config_list_foreach "$cfg" "name" add_nftset
+ config_list_foreach "$cfg" "domain" add_domain
+
+ if [ -z "$ipsets" ] || [ -z "$nftsets" ] || [ -z "$domains" ]; then
+ return 0
+ fi
+
+ xappend "--ipset=$domains/$ipsets"
+ xappend "--nftset=$domains/$nftsets"
+}
+
dnsmasq_start()
{
- local cfg="$1" disabled resolvfile
+ local cfg="$1"
+ local disabled user_dhcpscript logfacility
+ local resolvfile resolvdir localuse=1
config_get_bool disabled "$cfg" disabled 0
[ "$disabled" -gt 0 ] && return 0
- # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
+ # reset list of DOMAINS, DNS servers and EXTRA mounts (for each dnsmasq instance)
DNS_SERVERS=""
DOMAIN=""
+ EXTRA_MOUNT=""
CONFIGFILE="${BASECONFIGFILE}.${cfg}"
CONFIGFILE_TMP="${CONFIGFILE}.$$"
HOSTFILE="${BASEHOSTFILE}.${cfg}"
- TIMESTAMPFILE="${BASETIMESTAMPFILE}.${cfg}"
+ HOSTFILE_TMP="${HOSTFILE}.$$"
+ HOSTFILE_DIR="$(dirname "$HOSTFILE")"
BASEDHCPSTAMPFILE_CFG="${BASEDHCPSTAMPFILE}.${cfg}"
# before we can call xappend
+ umask u=rwx,g=rx,o=rx
mkdir -p /var/run/dnsmasq/
mkdir -p $(dirname $CONFIGFILE)
- mkdir -p $(dirname $HOSTFILE)
+ mkdir -p "$HOSTFILE_DIR"
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=${dnsmasqconffile}"
+ }
+
+ config_get_bool boguspriv "$cfg" boguspriv 1
+ [ "$boguspriv" -gt 0 ] && {
+ xappend "--bogus-priv"
+ [ -r "$RFC6761FILE" ] && xappend "--conf-file=$RFC6761FILE"
}
$PROG --version | grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE=1 || DHCPv6CAPABLE=0
- if [ -x /usr/sbin/odhcpd -a -x /etc/init.d/odhcpd ] ; then
+ if [ -x /usr/sbin/odhcpd ] && [ -x /etc/init.d/odhcpd ] ; then
local odhcpd_is_main odhcpd_is_enabled
config_get odhcpd_is_main odhcpd maindhcp 0
/etc/init.d/odhcpd enabled && odhcpd_is_enabled=1 || odhcpd_is_enabled=0
- if [ "$odhcpd_is_enabled" -eq 0 -a "$DHCPv6CAPABLE" -eq 1 ] ; then
+ if [ "$odhcpd_is_enabled" -eq 0 ] && [ "$DHCPv6CAPABLE" -eq 1 ] ; then
# DHCP V4 and V6 in DNSMASQ
DNSMASQ_DHCP_VER=6
elif [ "$odhcpd_is_main" -gt 0 ] ; then
if [ -x /etc/init.d/dhcpd ] ; then
/etc/init.d/dhcpd enabled && DNSMASQ_DHCP_VER=0
fi
- if [ -x /etc/init.d/dhcpd6 -a "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
+ if [ -x /etc/init.d/dhcpd6 ] && [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
/etc/init.d/dhcpd6 enabled && DNSMASQ_DHCP_VER=4
fi
fi
append_bool "$cfg" noresolv "--no-resolv"
append_bool "$cfg" localise_queries "--localise-queries"
append_bool "$cfg" readethers "--read-ethers"
- append_bool "$cfg" dbus "--enable-dbus"
+
+ local instance_name="dnsmasq.$cfg"
+ if [ "$cfg" = "$DEFAULT_INSTANCE" ]; then
+ instance_name="dnsmasq"
+ fi
+ config_get_bool dbus "$cfg" "dbus" 0
+ [ $dbus -gt 0 ] && xappend "--enable-dbus=uk.org.thekelleys.$instance_name"
+ config_get_bool ubus "$cfg" "ubus" 1
+ [ $ubus -gt 0 ] && xappend "--enable-ubus=$instance_name"
+
append_bool "$cfg" expandhosts "--expand-hosts"
config_get tftp_root "$cfg" "tftp_root"
[ -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 "$cfg" nonwildcard "--bind-dynamic"
+
+ config_get bind "$cfg" "bind"
+ case "$bind" in
+ dynamic|interfaces)
+ xappend "--bind-$bind"
+ ;;
+ "")
+ # for compatibility reasons
+ append_bool "$cfg" nonwildcard "--bind-dynamic" 1
+ ;;
+ esac
+
+ config_get dnsfilter "$cfg" "dnsfilter"
+ case "$dnsfilter" in
+ A|AAAA)
+ xappend "--filter-$dnsfilter"
+ ;;
+ esac
+
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 "$cfg" rapidcommit "--dhcp-rapid-commit"
+ append_bool "$cfg" scriptarp "--script-arp"
+
+ append_bool "$cfg" filter_aaaa "--filter-AAAA"
+ append_bool "$cfg" filter_a "--filter-A"
append_parm "$cfg" logfacility "--log-facility"
- append_parm "$cfg" dhcpscript "--dhcp-script"
+ config_get logfacility "$cfg" "logfacility"
append_parm "$cfg" cachesize "--cache-size"
append_parm "$cfg" dnsforwardmax "--dns-forward-max"
append_parm "$cfg" port "--port"
append_parm "$cfg" "minport" "--min-port"
append_parm "$cfg" "maxport" "--max-port"
append_parm "$cfg" "domain" "--domain"
- append_parm "$cfg" "local" "--server"
+ append_parm "$cfg" "local" "--local"
+ config_list_foreach "$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
+
+ local connmark_allowlist_enable
+ config_get connmark_allowlist_enable "$cfg" connmark_allowlist_enable 0
+ [ "$connmark_allowlist_enable" -gt 0 ] && {
+ append_parm "$cfg" "connmark_allowlist_enable" "--connmark-allowlist-enable"
+ config_list_foreach "$cfg" "connmark_allowlist" append_connmark_allowlist
+ }
+
+ [ -n "$BOOT" ] || {
+ config_list_foreach "$cfg" "interface" append_interface
+ config_list_foreach "$cfg" "notinterface" append_notinterface
+ }
+ config_get_bool ignore_hosts_dir "$cfg" ignore_hosts_dir 0
+ if [ "$ignore_hosts_dir" = "1" ]; then
+ xappend "--addn-hosts=$HOSTFILE"
+ append EXTRA_MOUNT "$HOSTFILE"
+ else
+ xappend "--addn-hosts=$(dirname $HOSTFILE)"
+ append EXTRA_MOUNT "$(dirname $HOSTFILE)"
+ fi
config_list_foreach "$cfg" "addnhosts" append_addnhosts
config_list_foreach "$cfg" "bogusnxdomain" append_bogusnxdomain
append_parm "$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
- append_parm "$cfg" "serversfile" "--servers-file"
+
+ local serversfile
+ config_get serversfile "$cfg" "serversfile"
+ [ -n "$serversfile" ] && {
+ xappend "--servers-file=$serversfile"
+ append EXTRA_MOUNT "$serversfile"
+ }
+
append_parm "$cfg" "tftp_root" "--tftp-root"
append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
append_parm "$cfg" "local_ttl" "--local-ttl"
+ append_parm "$cfg" "max_ttl" "--max-ttl"
+ append_parm "$cfg" "min_cache_ttl" "--min-cache-ttl"
+ append_parm "$cfg" "max_cache_ttl" "--max-cache-ttl"
append_parm "$cfg" "pxe_prompt" "--pxe-prompt"
+ append_parm "$cfg" "tftp_unique_root" "--tftp-unique-root"
config_list_foreach "$cfg" "pxe_service" append_pxe_service
config_get DOMAIN "$cfg" domain
ADD_LOCAL_FQDN="$ADD_LOCAL_HOSTNAME"
fi
- config_get_bool readethers "$cfg" readethers
- [ "$readethers" = "1" -a \! -e "/etc/ethers" ] && touch /etc/ethers
-
- config_get dhcpscript $cfg dhcpscript
+ config_get user_dhcpscript $cfg dhcpscript
+ if has_handler || [ -n "$user_dhcpscript" ]; then
+ xappend "--dhcp-script=$DHCPSCRIPT"
+ xappend "--script-arp"
+ fi
config_get leasefile $cfg leasefile "/tmp/dhcp.leases"
- [ -n "$leasefile" -a \! -e "$leasefile" ] && touch "$leasefile"
+ [ -n "$leasefile" ] && [ ! -e "$leasefile" ] && touch "$leasefile"
config_get_bool cachelocal "$cfg" cachelocal 1
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 "$cfg" resolvfile /tmp/resolv.conf.d/resolv.conf.auto
+ [ -n "$resolvfile" ] && [ ! -e "$resolvfile" ] && touch "$resolvfile"
+ xappend "--resolv-file=$resolvfile"
+ [ "$resolvfile" != "/tmp/resolv.conf.d/resolv.conf.auto" ] && localuse=0
+ resolvdir="$(dirname "$resolvfile")"
fi
-
- [ -n "$resolvfile" ] && xappend "--resolv-file=$resolvfile"
+ config_get_bool localuse "$cfg" localuse "$localuse"
config_get hostsfile "$cfg" dhcphostsfile
[ -e "$hostsfile" ] && xappend "--dhcp-hostsfile=$hostsfile"
xappend "--conf-file=$TRUSTANCHORSFILE"
xappend "--dnssec"
[ -x /etc/init.d/sysntpd ] && {
- /etc/init.d/sysntpd enabled
- [ "$?" -ne 0 -o "$(uci_get system.ntp.enabled)" = "1" ] && {
+ if /etc/init.d/sysntpd enabled || [ "$(uci_get system.ntp.enabled)" = "1" ] ; then
[ -f "$TIMEVALIDFILE" ] || xappend "--dnssec-no-timecheck"
- }
+ fi
}
- append_bool "$cfg" dnsseccheckunsigned "--dnssec-check-unsigned"
+ config_get_bool dnsseccheckunsigned "$cfg" dnsseccheckunsigned 1
+ [ "$dnsseccheckunsigned" -eq 0 ] && xappend "--dnssec-check-unsigned=no"
}
config_get addmac "$cfg" addmac 0
}
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 filter_dnsmasq dhcp dhcp_add "$cfg"
+ [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add "$cfg"
xappend "--enable-ra"
xappend "--quiet-ra"
append_bool "$cfg" quietdhcp "--quiet-dhcp6"
elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then
- config_foreach filter_dnsmasq dhcp dhcp_add "$cfg"
+ [ -n "$BOOT" ] || config_foreach filter_dnsmasq dhcp dhcp_add "$cfg"
fi
echo >> $CONFIGFILE_TMP
echo >> $CONFIGFILE_TMP
+ config_foreach filter_dnsmasq ipset dnsmasq_ipset_add "$cfg"
+ 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 $DOMAIN" >> /tmp/resolv.conf
}
DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
+ [ -e /proc/sys/net/ipv6 ] && DNS_SERVERS="$DNS_SERVERS ::1"
for DNS_SERVER in $DNS_SERVERS ; do
echo "nameserver $DNS_SERVER" >> /tmp/resolv.conf
done
}
+ config_list_foreach "$cfg" addnmount append_extramount
+
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 "$dnsmasqconffile" ]; then
- dnsmasqconffile=/etc/dnsmasq.conf
- fi
+ local instance_ifc instance_netdev
+ config_get instance_ifc "$cfg" interface
+ [ -n "$instance_ifc" ] && network_get_device instance_netdev "$instance_ifc" &&
+ [ -n "$instance_netdev" ] && procd_set_param netdev $instance_netdev
procd_add_jail dnsmasq ubus log
- procd_add_jail_mount $CONFIGFILE $TRUSTANCHORSFILE $HOSTFILE $RFC6761FILE /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 $DHCPBOGUSHOSTNAMEFILE $DHCPSCRIPT $DHCPSCRIPT_DEPENDS
+ procd_add_jail_mount $EXTRA_MOUNT $RFC6761FILE $TRUSTANCHORSFILE
+ procd_add_jail_mount $dnsmasqconffile $dnsmasqconfdir $resolvdir $user_dhcpscript
+ procd_add_jail_mount /etc/passwd /etc/group /etc/TZ /etc/hosts /etc/ethers
procd_add_jail_mount_rw /var/run/dnsmasq/ $leasefile
+ case "$logfacility" in */*)
+ [ ! -e "$logfacility" ] && touch "$logfacility"
+ procd_add_jail_mount_rw "$logfacility"
+ esac
+ [ -e "$hostsfile" ] && procd_add_jail_mount $hostsfile
procd_close_instance
}
dnsmasq_stop()
{
local cfg="$1"
+ local noresolv resolvfile localuse=1
+ config_get_bool noresolv "$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 ] && [ "$resolvfile" != "/tmp/resolv.conf.d/resolv.conf.auto" ] && localuse=0
+ config_get_bool localuse "$cfg" localuse "$localuse"
+ [ "$localuse" -gt 0 ] && ln -sf "/tmp/resolv.conf.d/resolv.conf.auto" /tmp/resolv.conf
rm -f ${BASEDHCPSTAMPFILE}.${cfg}.*.dhcp
}
+add_interface_trigger()
+{
+ local interface ifname ignore
+
+ config_get interface "$1" interface
+ config_get_bool ignore "$1" ignore 0
+ network_get_device ifname "$interface" || ignore=0
+
+ [ -n "$interface" ] && [ $ignore -eq 0 ] && procd_add_interface_trigger "interface.*" "$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()
start_service() {
local instance="$1"
local instance_found=0
-
- [ -n "$BOOT" ] && return
+ local first_instance=""
. /lib/functions/network.sh
local type="$1"
local name="$2"
if [ "$type" = "dnsmasq" ]; then
- if [ -n "$instance" -a "$instance" = "$name" ]; then
+ if [ -n "$instance" ] && [ "$instance" = "$name" ]; then
instance_found=1
fi
+ if [ -z "$DEFAULT_INSTANCE" ]; then
+ local disabled
+ config_get_bool disabled "$name" disabled 0
+ if [ "$disabled" -eq 0 ]; then
+ # First enabled section will be assigned default instance name.
+ # Unnamed sections get precedence over named sections.
+ if expr "$cfg" : 'cfg[0-9a-f]*$' >/dev/null = "9"; then # See uci_fixup_section.
+ DEFAULT_INSTANCE="$name" # Unnamed config section.
+ elif [ -z "$first_instance" ]; then
+ first_instance="$name"
+ fi
+ fi
+ fi
fi
}
+ DEFAULT_INSTANCE=""
config_load dhcp
+ if [ -z "$DEFAULT_INSTANCE" ]; then
+ DEFAULT_INSTANCE="$first_instance" # No unnamed config section was found.
+ fi
if [ -n "$instance" ]; then
[ "$instance_found" -gt 0 ] || return
reload_service() {
rc_procd start_service "$@"
- return 0
+ procd_send_signal dnsmasq "$@"
}
stop_service() {
local type="$1"
local name="$2"
if [ "$type" = "dnsmasq" ]; then
- if [ -n "$instance" -a "$instance" = "$name" ]; then
+ if [ -n "$instance" ] && [ "$instance" = "$name" ]; then
instance_found=1
fi
fi
projects / openwrt / staging / jow.git / blobdiff