bcm63xx: Add support for the T-Com Speedport W 500V.
[openwrt.git] / package / dnsmasq / files / dnsmasq.init
index 4425504..4acba5b 100644 (file)
@@ -3,6 +3,7 @@
 
 START=60
 DNS_SERVERS=""
+DOMAIN=""
 
 dhcp_calc() {
        local ip="$1"
@@ -22,8 +23,8 @@ append_bool() {
        local option="$2"
        local value="$3"
        local _loctmp
-       config_get_bool _loctmp "$section" "$option"
-       [ "$_loctmp" -gt 0 ] && append args "$value"
+       config_get_bool _loctmp "$section" "$option" 0
+       [ $_loctmp -gt 0 ] && append args "$value"
 }
 
 append_parm() {
@@ -36,6 +37,28 @@ append_parm() {
        append args "$switch $_loctmp"
 }
 
+append_server() {
+       append args "-S $1"
+}
+
+append_interface() {
+       local ifname=$(uci_get_state network "$1" ifname "$1")
+       append args "-i $ifname"
+}
+
+append_notinterface() {
+       local ifname=$(uci_get_state network "$1" ifname "$1")
+       append args "-I $ifname"
+}
+
+append_addnhosts() {
+       append args "-H $1"
+}
+
+append_bogusnxdomain() {
+       append args "-B $1"
+}
+
 dnsmasq() {
        local cfg="$1"
        append_bool "$cfg" authoritative "-K"
@@ -49,140 +72,206 @@ dnsmasq() {
        append_bool "$cfg" noresolv "-R"
        append_bool "$cfg" localise_queries "-y"
        append_bool "$cfg" readethers "-Z"
-       append_bool "$cfg" dbus "-l"
+       append_bool "$cfg" dbus "-1"
        append_bool "$cfg" boguspriv "-b"
        append_bool "$cfg" expandhosts "-E"
+       append_bool "$cfg" enable_tftp "--enable-tftp"
+       append_bool "$cfg" nonwildcard "-z"
 
+       append_parm "$cfg" cachesize "-c"
        append_parm "$cfg" dnsforwardmax "-0"
        append_parm "$cfg" port "-p"
        append_parm "$cfg" ednspacket_max "-P"
        append_parm "$cfg" dhcpleasemax "-X"
-       append_parm "$cfg" "addnhosts" "-H"
        append_parm "$cfg" "queryport" "-Q"
        append_parm "$cfg" "domain" "-s"
        append_parm "$cfg" "local" "-S"
+       config_list_foreach "$cfg" "server" append_server
+       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 "$cfg" "leasefile" "-l"
        append_parm "$cfg" "resolvfile" "-r"
+       append_parm "$cfg" "tftp_root" "--tftp-root"
+       append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
+
+       config_get DOMAIN "$cfg" domain
+
+       config_get_bool readethers "$cfg" readethers
+       [ "$readethers" = "1" ] && [ -e "/etc/ethers" ] || touch /etc/ethers
+
+       config_get leasefile $cfg leasefile
+       [ -n "$leasefile" ] && [ -e "$leasefile" ] || touch "$leasefile"
+       config_get_bool cachelocal "$cfg" cachelocal 1
+
+       config_get hostsfile "$cfg" dhcphostsfile
+       [ -e "$hostsfile" ] && append args "--dhcp-hostsfile=$hostsfile"
+
+       local rebind
+       config_get_bool rebind "$cfg" rebind_protection 1
+       [ $rebind -gt 0 ] && {
+               logger -t dnsmasq \
+                       "DNS rebinding protection is active," \
+                       "will discard upstream RFC1918 responses!"
+               append args "--stop-dns-rebind"
+
+               local rebind_localhost
+               config_get_bool rebind_localhost "$cfg" rebind_localhost 0
+               [ $rebind_localhost -gt 0 ] && {
+                       logger -t dnsmasq "Allowing 127.0.0.0/8 responses"
+                       append args "--rebind-localhost-ok"
+               }
+
+               append_rebind_domain() {
+                       logger -t dnsmasq "Allowing RFC1918 responses for domain $1"
+                       append args "--rebind-domain-ok=$1"
+               }
+
+               config_list_foreach "$cfg" rebind_domain append_rebind_domain
+       }
 }
 
 dhcp_subscrid_add() {
        local cfg="$1"
 
-       config_get name "$cfg" name
-       [ -n "$name" ] || return 0
+       config_get networkid "$cfg" networkid
+       [ -n "$networkid" ] || return 0
 
        config_get subscriberid "$cfg" subscriberid
        [ -n "$subscriberid" ] || return 0
 
-       append args "--dhcp-subscrid=$name,$subscriberid"
+       append args "--dhcp-subscrid=$networkid,$subscriberid"
 
-       dhcp_option_add "$cfg" "$name"
+       dhcp_option_add "$cfg" "$networkid"
 }
 
 dhcp_remoteid_add() {
        local cfg="$1"
 
-       config_get name "$cfg" name
-       [ -n "$name" ] || return 0
+       config_get networkid "$cfg" networkid
+       [ -n "$networkid" ] || return 0
 
        config_get remoteid "$cfg" remoteid
        [ -n "$remoteid" ] || return 0
 
-       append args "--dhcp-remoteid=$name,$remoteid"
+       append args "--dhcp-remoteid=$networkid,$remoteid"
 
-       dhcp_option_add "$cfg" "$name"
+       dhcp_option_add "$cfg" "$networkid"
 }
 
 dhcp_circuitid_add() {
        local cfg="$1"
 
-       config_get name "$cfg" name
-       [ -n "$name" ] || return 0
+       config_get networkid "$cfg" networkid
+       [ -n "$networkid" ] || return 0
 
        config_get circuitid "$cfg" circuitid
        [ -n "$circuitid" ] || return 0
 
-       append args "--dhcp-circuitid=$name,$circuitid"
+       append args "--dhcp-circuitid=$networkid,$circuitid"
 
-       dhcp_option_add "$cfg" "$name"
+       dhcp_option_add "$cfg" "$networkid"
 }
 
 dhcp_userclass_add() {
        local cfg="$1"
 
-       config_get name "$cfg" name
-       [ -n "$name" ] || return 0
+       config_get networkid "$cfg" networkid
+       [ -n "$networkid" ] || return 0
 
        config_get userclass "$cfg" userclass
        [ -n "$userclass" ] || return 0
 
-       append args "--dhcp-userclass=$name,$userclass"
+       append args "--dhcp-userclass=$networkid,$userclass"
 
-       dhcp_option_add "$cfg" "$name"
+       dhcp_option_add "$cfg" "$networkid"
 }
 
 dhcp_vendorclass_add() {
        local cfg="$1"
 
-       config_get name "$cfg" name
-       [ -n "$name" ] || return 0
+       config_get networkid "$cfg" networkid
+       [ -n "$networkid" ] || return 0
 
        config_get vendorclass "$cfg" vendorclass
        [ -n "$vendorclass" ] || return 0
 
-       append args "--dhcp-vendorclass=$name,$vendorclass"
+       append args "--dhcp-vendorclass=$networkid,$vendorclass"
 
-       dhcp_option_add "$cfg" "$name"
+       dhcp_option_add "$cfg" "$networkid"
 }
 
 dhcp_host_add() {
        local cfg="$1"
 
        config_get name "$cfg" name
-       [ -n "$name" ] || return 0
 
-       config_get mac "$cfg" mac
-       [ -n "$mac" ] || return 0
+       config_get networkid "$cfg" networkid
+       [ -n "$networkid" ] && dhcp_option_add "$cfg" "$networkid"
 
        config_get ip "$cfg" ip
        [ -n "$ip" ] || return 0
 
-       append args "--dhcp-host=$mac,$ip"
+       macs=""
+       config_get mac "$cfg" mac
+       for m in $mac; do append macs "$m" ","; done
+       [ -n "$macs" ] || return 0
 
-       dhcp_option_add "$cfg" "$name"
+       append args "--dhcp-host=$macs,${networkid:+net:$networkid,}$ip${name:+,$name}"
 }
 
 dhcp_mac_add() {
        local cfg="$1"
 
-       config_get name "$cfg" name
-       [ -n "$name" ] || return 0
+       config_get networkid "$cfg" networkid
+       [ -n "$networkid" ] || return 0
 
        config_get mac "$cfg" mac
        [ -n "$mac" ] || return 0
 
-       append args "--dhcp-mac=$name,$mac"
+       append args "--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 "$cfg" servername
+       [ -n "$servername" ] || return 0
 
-       dhcp_option_add "$cfg" "$name"
+       config_get serveraddress "$cfg" serveraddress
+       [ -n "$serveraddress" ] || return 0
+
+       append args "--dhcp-boot=${networkid:+net:$networkid,}$filename,$servername,$serveraddress"
+
+       dhcp_option_add "$cfg" "$networkid"
 }
 
+
 dhcp_add() {
        local cfg="$1"
        config_get net "$cfg" interface
        [ -n "$net" ] || return 0
 
-       config_get name "$cfg" name
-       [ -n "$name" ] || name="$net"
+       config_get networkid "$cfg" networkid
+       [ -n "$networkid" ] || networkid="$net"
 
        config_get ifname "$net" ifname
        [ -n "$ifname" ] || return 0
 
        config_get dnsserver "$net" dns
-       [ -n "$dnsserver" ] && {
+       [ "$cachelocal" = "0" -a -n "$dnsserver" ] && {
                DNS_SERVERS="$DNS_SERVERS $dnsserver"
        }
 
-       append_bool "$cfg" ignore "-I $ifname"
+       append_bool "$cfg" ignore "-2 $ifname" && return 0
 
        config_get proto "$net" proto
        [ static = "$proto" ] || return 0
@@ -193,8 +282,13 @@ dhcp_add() {
 
        #check for an already active dhcp server on the interface, unless 'force' is set
        config_get_bool force "$cfg" force 0
-       [ "$force" -gt 0 ] || {
-               udhcpc -n -q -R -s /bin/true -t 1 -i $ifname >&- && return 0
+       [ $force -gt 0 ] || {
+               udhcpc -n -q -s /bin/true -t 1 -i $ifname >&- && {
+                       logger -t dnsmasq \
+                               "found already running DHCP-server on interface '$ifname'" \
+                               "refusing to start, use 'option force 1' to override"
+                       return 0
+               }
        }
 
        config_get start "$cfg" start
@@ -205,48 +299,92 @@ dhcp_add() {
 
        leasetime="${leasetime:-12h}"
        start="$(dhcp_calc "${start:-100}")"
-       limit="$((${limit:-150} + 1))"
+       limit="${limit:-150}"
        eval "$(ipcalc.sh $ipaddr $netmask $start $limit)"
        if [ "$dynamicdhcp" = "0" ]; then END="static"; fi
-       append args "--dhcp-range=$name,$START,$END,$NETMASK,$leasetime${options:+ $options}"
+       append args "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"
 
-       dhcp_option_add "$cfg" "$name"
+       dhcp_option_add "$cfg" "$networkid"
 }
 
 dhcp_option_add() {
        local cfg="$1"
-       local name="$2"
-
-       for count in $(seq 0 100); do
-               eval current_value=\$CONFIG_"$cfg"_dhcp"$count"
-               if [ -z "$current_value" ]; then
-                       let "count-=1"
-                       break
-               fi
-               append args "-O $name","$current_value"
+       local networkid="$2"
+
+       config_get dhcp_option "$cfg" dhcp_option
+       for o in $dhcp_option; do
+               append args "-O $networkid","$o"
        done
 
 }
 
+dhcp_domain_add() {
+       local cfg="$1"
+       local ip name names
+
+       config_get names "$cfg" name
+       [ -n "$names" ] || return 0
+
+       config_get ip "$cfg" ip
+       [ -n "$ip" ] || return 0
+
+       local oIFS="$IFS"; IFS="."; set -- $ip; IFS="$oIFS"
+       local raddr="${4:+$4.$3.$2.$1.in-addr.arpa}"
+
+       for name in $names; do
+               local fqdn="$name"
+
+               [ "${fqdn%.*}" == "$fqdn" ] && \
+                       fqdn="$fqdn${DOMAIN:+.$DOMAIN}"
+
+               append args "-A /$fqdn/$ip"
+               
+               [ -n "$raddr" ] && {
+                       append args "--ptr-record=$raddr,$fqdn"
+                       raddr=""
+               }
+       done
+}
+
+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
+
+       local service="$srv,$target"
+       [ -n "$port" ] && service="$service,$port"
+
+       append args "-W $service"
+}
+
 start() {
        include /lib/network
        scan_interfaces
-       config_load /var/state/network
        config_load dhcp
 
        args=""
        config_foreach dnsmasq dnsmasq
        config_foreach dhcp_host_add host
+       config_foreach dhcp_boot_add boot
        config_foreach dhcp_mac_add mac
        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_srv_add srvhost
        config_foreach dhcp_add dhcp
 
        /usr/sbin/dnsmasq $args && {
                rm -f /tmp/resolv.conf
+               [ -n "$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
@@ -255,5 +393,10 @@ start() {
 }
 
 stop() {
+       [ -f /tmp/resolv.conf ] && {
+               rm -f /tmp/resolv.conf
+               ln -s /tmp/resolv.conf.auto /tmp/resolv.conf
+       }
        killall dnsmasq
+       return 0
 }
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