X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=package%2Fnetwork%2Fservices%2Fdnsmasq%2Ffiles%2Fdnsmasq.init;h=40c756b4382ea9dd496c7f2fc33def23489b93d6;hb=9525743c076393336cd2129539c974f8a01c7894;hp=b1f9e2e29010c4a5e06f6dc2bc8ccaa3fd022deb;hpb=a50243ea1f1fe28239a57283ef3a5ec6e8577dfb;p=openwrt%2Fstaging%2Fjow.git diff --git a/package/network/services/dnsmasq/files/dnsmasq.init b/package/network/services/dnsmasq/files/dnsmasq.init index b1f9e2e290..40c756b438 100644 --- a/package/network/services/dnsmasq/files/dnsmasq.init +++ b/package/network/services/dnsmasq/files/dnsmasq.init @@ -8,6 +8,8 @@ PROG=/usr/sbin/dnsmasq ADD_LOCAL_DOMAIN=1 ADD_LOCAL_HOSTNAME=1 +ADD_WAN_FQDN=0 +ADD_LOCAL_FQDN="" BASECONFIGFILE="/var/etc/dnsmasq.conf" BASEHOSTFILE="/tmp/hosts/dhcp" @@ -16,6 +18,8 @@ TRUSTANCHORSFILE="/usr/share/dnsmasq/trust-anchors.conf" TIMEVALIDFILE="/var/state/dnsmasqsec" BASEDHCPSTAMPFILE="/var/run/dnsmasq" +DNSMASQ_DHCP_VER=4 + xappend() { local value="$1" @@ -23,22 +27,22 @@ xappend() { } hex_to_hostid() { - local var="$1" - local hex="${2#0x}" # strip optional "0x" prefix + local var="$1" + local hex="${2#0x}" # strip optional "0x" prefix - if [ -n "${hex//[0-9a-fA-F]/}" ]; then - # is invalid hex literal - return 1 - fi + if [ -n "${hex//[0-9a-fA-F]/}" ]; then + # is invalid hex literal + return 1 + fi - # convert into host id - export "$var=$( - printf "%0x:%0x" \ - $(((0x$hex >> 16) % 65536)) \ - $(( 0x$hex % 256)) - )" + # convert into host id + export "$var=$( + printf "%0x:%0x" \ + $(((0x$hex >> 16) % 65536)) \ + $(( 0x$hex % 65536)) + )" - return 0 + return 0 } dhcp_calc() { @@ -180,6 +184,7 @@ dhcp_remoteid_add() { } dhcp_circuitid_add() { + # TODO: DHCPV6 does not have circuitid; catch "option6:" local cfg="$1" config_get networkid "$cfg" networkid @@ -212,6 +217,7 @@ dhcp_userclass_add() { } dhcp_vendorclass_add() { + # TODO: DHCPV6 vendor class has stricter definitions; catch? fixup? local cfg="$1" config_get networkid "$cfg" networkid @@ -245,6 +251,7 @@ dhcp_match_add() { dhcp_host_add() { local cfg="$1" + local hosttag nametime addrs config_get_bool force "$cfg" force 0 @@ -256,7 +263,9 @@ dhcp_host_add() { config_get name "$cfg" name config_get ip "$cfg" ip - [ -n "$ip" -o -n "$name" ] || return 0 + config_get hostid "$cfg" hostid + + [ -n "$ip" -o -n "$name" -o -n "$hostid" ] || return 0 config_get_bool dns "$cfg" dns 0 [ "$dns" = "1" -a -n "$ip" -a -n "$name" ] && { @@ -264,35 +273,100 @@ dhcp_host_add() { } config_get mac "$cfg" mac + config_get duid "$cfg" duid + config_get tag "$cfg" tag + if [ -n "$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 - else - # --dhcp-host=lap,192.168.0.199 + fi + + if [ $DNSMASQ_DHCP_VER -eq 6 -a -n "$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 "$duids" ]; then + # --dhcp-host=lap,192.168.0.199,[::beef] [ -n "$name" ] || return 0 macs="$name" name="" fi - config_get tag "$cfg" tag - - if [ "$DHCPv6CAPABLE" -eq 1 ]; then - config_get hostid "$cfg" hostid - if [ -n "$hostid" ]; then + if [ -n "$hostid" ]; then hex_to_hostid hostid "$hostid" - fi fi config_get_bool broadcast "$cfg" broadcast 0 - [ "$broadcast" = "0" ] && broadcast= - config_get leasetime "$cfg" leasetime - xappend "--dhcp-host=$macs${networkid:+,net:$networkid}${broadcast:+,set:needs-broadcast}${tag:+,set:$tag}${ip:+,$ip${hostid:+,[::$hostid]}}${name:+,$name}${leasetime:+,$leasetime}" + [ "$broadcast" = "0" ] && broadcast= || broadcast=",set:needs-broadcast" + + hosttag="${networkid:+,set:${networkid}}${tag:+,set:${tag}}$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$nametime" + else + xappend "--dhcp-host=$macs$hosttag${ip:+,$ip}$nametime" + fi +} + +dhcp_this_host_add() { + local net="$1" + local ifname="$2" + local mode="$3" + local routerstub routername ifdashname + local lanaddr lanaddr6 lanaddrs6 ulaprefix + + if [ "$mode" -gt 0 ] ; then + ifdashname="${ifname//./-}" + routerstub="$( md5sum /etc/os-release )" + routerstub="router-${routerstub// */}" + routername="$( uci_get system @system[0] hostname $routerstub )" + + if [ "$mode" -gt 1 ] ; then + if [ "$mode" -gt 2 ] ; then + if [ "$mode" -gt 3 ] ; then + xappend "--interface-name=$ifdashname.$routername.$DOMAIN,$ifname" + fi + + xappend "--interface-name=$routername.$DOMAIN,$ifname" + fi + + # All IP addresses discovered by dnsmasq will be labeled (except fe80::) + xappend "--interface-name=$routername,$ifname" + + else + # This uses a static host file entry for only limited addresses. + # Use dnsmasq option "--expandhosts" to enable FQDN on host files. + ulaprefix="$(uci_get network @globals[0] ula_prefix)" + network_get_ipaddr lanaddr "$net" + network_get_ipaddrs6 lanaddrs6 "$net" + + if [ -n "$lanaddr" ] ; then + dhcp_domain_add "" "$routername" "$lanaddr" + fi + + if [ -n "$ulaprefix" -a -n "$lanaddrs6" ] ; then + for lanaddr6 in $lanaddrs6 ; do + case "$lanaddr6" in + "${ulaprefix%%:/*}"*) + dhcp_domain_add "" "$routername" "$lanaddr6" + ;; + esac + done + fi + fi + fi } dhcp_tag_add() { + # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions local cfg="$1" tag="$cfg" @@ -323,6 +397,7 @@ dhcp_mac_add() { } dhcp_boot_add() { + # TODO: BOOTURL is different between DHCPv4 and DHCPv6 local cfg="$1" config_get networkid "$cfg" networkid @@ -345,12 +420,12 @@ dhcp_boot_add() { dhcp_add() { local cfg="$1" + local dhcp6range="::" + local nettag + config_get net "$cfg" interface [ -n "$net" ] || return 0 - config_get dhcpv4 "$cfg" dhcpv4 - [ "$dhcpv4" != "disabled" ] || return 0 - config_get networkid "$cfg" networkid [ -n "$networkid" ] || networkid="$net" @@ -362,7 +437,11 @@ dhcp_add() { DNS_SERVERS="$DNS_SERVERS $dnsserver" } - append_bool "$cfg" ignore "--no-dhcp-interface=$ifname" && return 0 + append_bool "$cfg" ignore "--no-dhcp-interface=$ifname" && { + # Many ISP do not have useful names for DHCP customers (your WAN). + dhcp_this_host_add "$net" "$ifname" "$ADD_WAN_FQDN" + return 0 + } # Do not support non-static interfaces for now [ static = "$proto" ] || return 0 @@ -374,24 +453,92 @@ dhcp_add() { config_get_bool force "$cfg" force 0 [ $force -gt 0 ] || dhcp_check "$ifname" || return 0 - config_get start "$cfg" start - config_get limit "$cfg" limit - config_get leasetime "$cfg" leasetime + config_get start "$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 - leasetime="${leasetime:-12h}" - start="$(dhcp_calc "${start:-100}")" - limit="${limit:-150}" - [ "$limit" -gt 0 ] && limit=$((limit-1)) + 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 "$cfg" ra_preference + + # Put the router host name on this DHCP served interface address(es) + dhcp_this_host_add "$net" "$ifname" "$ADD_LOCAL_FQDN" + + start="$( dhcp_calc "$start" )" + nettag="${networkid:+set:${networkid},}" + + if [ "$limit" -gt 0 ] ; then + limit=$((limit-1)) + fi + eval "$(ipcalc.sh "${subnet%%/*}" $netmask $start $limit)" - if [ "$dynamicdhcp" = "0" ]; then END="static"; fi - xappend "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}" + + if [ "$dynamicdhcp" = "0" ] ; then + END="static" + 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 + # Note: dnsmasq cannot just be a DHCPv6 server (all-in-1) + # and let some other machine(s) send RA pointing to it. + + case $ra_preference in + *high*) + xappend "--ra-param=$ifname,high,0,7200" + ;; + *low*) + xappend "--ra-param=$ifname,low,0,7200" + ;; + *) + # Send UNSOLICITED RA at default interval and live for 2 hours. + # TODO: convert flexible lease time into route life time (only seconds). + xappend "--ra-param=$ifname,0,7200" + ;; + esac + + if [ "$dhcpv6" = "disabled" ] ; then + ra_management="3" + fi + + + case $ra_management in + 0) + # SLACC with DCHP for extended options + xappend "--dhcp-range=$nettag::,constructor:$ifname,ra-stateless,ra-names" + ;; + 2) + # DHCP address and RA only for management redirection + xappend "--dhcp-range=$nettag$dhcp6range,constructor:$ifname,$leasetime" + ;; + 3) + # SLAAC only but dnsmasq attempts to link HOSTNAME, DHCPv4 MAC, and SLAAC + xappend "--dhcp-range=$nettag::,constructor:$ifname,ra-only,ra-names" + ;; + *) + # SLAAC and full DHCP + xappend "--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime" + ;; + esac + fi dhcp_option_add "$cfg" "$networkid" } dhcp_option_add() { + # NOTE: dnsmasq has explicit "option6:" prefix for DHCPv6 so no collisions local cfg="$1" local networkid="$2" local force="$3" @@ -546,6 +693,32 @@ dnsmasq_start() $PROG --version | grep -osqE "^Compile time options:.* DHCPv6( |$)" && 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 + /etc/init.d/odhcpd enabled && odhcpd_is_enabled=1 || odhcpd_is_enabled=0 + + + if [ "$odhcpd_is_enabled" -eq 0 -a "$DHCPv6CAPABLE" -eq 1 ] ; then + # DHCP V4 and V6 in DNSMASQ + DNSMASQ_DHCP_VER=6 + elif [ "$odhcpd_is_main" -gt 0 ] ; then + # ODHCPD is doing it all + DNSMASQ_DHCP_VER=0 + else + # You have ODHCPD but use DNSMASQ for DHCPV4 + DNSMASQ_DHCP_VER=4 + fi + + elif [ "$DHCPv6CAPABLE" -eq 1 ] ; then + # DHCP V4 and V6 in DNSMASQ + DNSMASQ_DHCP_VER=6 + else + DNSMASQ_DHCP_VER=4 + fi + + append_bool "$cfg" authoritative "--dhcp-authoritative" append_bool "$cfg" nodaemon "--no-daemon" append_bool "$cfg" domainneeded "--domain-needed" @@ -573,6 +746,7 @@ dnsmasq_start() append_bool "$cfg" allservers "--all-servers" append_bool "$cfg" noping "--no-ping" + append_parm "$cfg" logfacility "--log-facility" append_parm "$cfg" dhcpscript "--dhcp-script" append_parm "$cfg" cachesize "--cache-size" append_parm "$cfg" dnsforwardmax "--dns-forward-max" @@ -603,6 +777,13 @@ dnsmasq_start() config_get_bool ADD_LOCAL_DOMAIN "$cfg" add_local_domain 1 config_get_bool ADD_LOCAL_HOSTNAME "$cfg" add_local_hostname 1 + config_get ADD_LOCAL_FQDN "$cfg" add_local_fqdn "" + config_get ADD_WAN_FQDN "$cfg" add_wan_fqdn 0 + + if [ -z "$ADD_LOCAL_FQDN" ] ; then + # maintain support for previous UCI + ADD_LOCAL_FQDN="$ADD_LOCAL_HOSTNAME" + fi config_get_bool readethers "$cfg" readethers [ "$readethers" = "1" -a \! -e "/etc/ethers" ] && touch /etc/ethers @@ -670,7 +851,7 @@ dnsmasq_start() xappend "--dhcp-broadcast=tag:needs-broadcast" - xappend "--addn-hosts=$HOSTFILE" + xappend "--addn-hosts=$(dirname $HOSTFILE)" config_get dnsmasqconfdir "$cfg" confdir "/tmp/dnsmasq.d" [ ! -d "$dnsmasqconfdir" ] && mkdir -p $dnsmasqconfdir @@ -700,37 +881,25 @@ dnsmasq_start() config_foreach filter_dnsmasq hostrecord dhcp_hostrecord_add "$cfg" config_foreach filter_dnsmasq relay dhcp_relay_add "$cfg" - # add own hostname - [ $ADD_LOCAL_HOSTNAME -eq 1 ] && { - local lanaddr lanaddr6 - local ulaprefix="$(uci_get network @globals[0] ula_prefix)" - local hostname="$(uci_get system @system[0] hostname Lede)" - - network_get_ipaddr lanaddr "lan" && { - dhcp_domain_add "" "$hostname" "$lanaddr" - } - - [ -n "$ulaprefix" ] && network_get_ipaddrs6 lanaddr6 "lan" && { - for lanaddr6 in $lanaddr6; do - case "$lanaddr6" in - "${ulaprefix%%:/*}"*) - dhcp_domain_add "" "$hostname" "$lanaddr6" - ;; - esac - done - } - } - echo >> $CONFIGFILE_TMP config_foreach filter_dnsmasq srvhost dhcp_srv_add "$cfg" config_foreach filter_dnsmasq mxhost dhcp_mx_add "$cfg" echo >> $CONFIGFILE_TMP - config_get odhcpd_is_active odhcpd maindhcp - if [ "$odhcpd_is_active" != "1" ]; then - config_foreach filter_dnsmasq dhcp dhcp_add "$cfg" + + if [ "$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 + xappend "--enable-ra" + xappend "--quiet-ra" + + elif [ "$DNSMASQ_DHCP_VER" -gt 0 ] ; then + config_foreach dhcp_add dhcp fi + echo >> $CONFIGFILE_TMP config_foreach filter_dnsmasq cname dhcp_cname_add "$cfg" echo >> $CONFIGFILE_TMP