USE_PROCD=1
PROG=/usr/sbin/dnsmasq
-DNS_SERVERS=""
-DOMAIN=""
-
ADD_LOCAL_DOMAIN=1
ADD_LOCAL_HOSTNAME=1
-CONFIGFILE="/var/etc/dnsmasq.conf"
-CONFIGFILE_TMP="/var/etc/dnsmasq.conf.$$"
-HOSTFILE="/tmp/hosts/dhcp"
+BASECONFIGFILE="/var/etc/dnsmasq.conf"
+BASEHOSTFILE="/tmp/hosts/dhcp"
+BASETIMESTAMPFILE="/etc/dnsmasq.time"
TRUSTANCHORSFILE="/usr/share/dnsmasq/trust-anchors.conf"
-TIMESTAMPFILE="/etc/dnsmasq.time"
TIMEVALIDFILE="/var/state/dnsmasqsec"
+BASEDHCPSTAMPFILE="/var/run/dnsmasq"
xappend() {
local value="$1"
dhcp_check() {
local ifname="$1"
- local stamp="/var/run/dnsmasq.$ifname.dhcp"
+ local stamp="${BASEDHCPSTAMPFILE_CFG}.${ifname}.dhcp"
local rv=0
[ -s "$stamp" ] && return $(cat "$stamp")
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"
- config_get tftp_root "$cfg" "tftp_root"
- [ -d "$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" 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_bool "$cfg" allservers "--all-servers"
- append_bool "$cfg" noping "--no-ping"
+filter_dnsmasq() {
+ local cfg="$1" func="$2" match_cfg="$3" found_cfg
- 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" "minport" "--min-port"
- append_parm "$cfg" "maxport" "--max-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" "/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"
- 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 "/tmp/dhcp.leases"
- [ -n "$leasefile" -a \! -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"
+ # 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
+ $func $cfg
fi
-
- 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"
- [ -x /etc/init.d/sysntpd ] && {
- /etc/init.d/sysntpd enabled
- [ "$?" -ne 0 -o "$(uci_get system.ntp.enabled)" = "1" ] && {
- [ -f "$TIMEVALIDFILE" ] || xappend "--dnssec-no-timecheck"
- }
- }
- 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"
- xappend "--user=dnsmasq"
- xappend "--group=dnsmasq"
-
- echo >> $CONFIGFILE_TMP
-
- config_get_bool enable_tftp "$cfg" enable_tftp 0
- [ "$enable_tftp" -gt 0 ] && {
- config_get tftp_root "$cfg" tftp_root
- append EXTRA_MOUNT $tftp_root
- }
}
dhcp_subscrid_add() {
fi
}
-service_triggers()
-{
- procd_add_reload_trigger "dhcp"
- procd_add_raw_trigger "interface.*" 2000 /etc/init.d/dnsmasq reload
-}
-
-boot()
+dnsmasq_start()
{
- BOOT=1
- start "$@"
-}
+ local cfg="$1" disabled
-start_service() {
- [ -n "$BOOT" ] && return
+ config_get_bool disabled "$cfg" disabled 0
+ [ "$disabled" -gt 0 ] && return 0
- include /lib/functions
-
- config_load dhcp
+ # reset list of DOMAINS and DNS servers (for each dnsmasq instance)
+ DNS_SERVERS=""
+ DOMAIN=""
+ CONFIGFILE="${BASECONFIGFILE}.${cfg}"
+ CONFIGFILE_TMP="${CONFIGFILE}.$$"
+ HOSTFILE="${BASEHOSTFILE}.${cfg}"
+ TIMESTAMPFILE="${BASETIMESTAMPFILE}.${cfg}"
+ BASEDHCPSTAMPFILE_CFG="${BASEDHCPSTAMPFILE}.${cfg}"
# before we can call xappend
mkdir -p /var/run/dnsmasq/
mkdir -p $(dirname $CONFIGFILE)
+ mkdir -p $(dirname $HOSTFILE)
mkdir -p /var/lib/misc
- touch /tmp/dhcp.leases
chown dnsmasq:dnsmasq /var/run/dnsmasq
[ -f "$TIMESTAMPFILE" ] && rm -f "$TIMESTAMPFILE"
$PROG --version | grep -osqE "^Compile time options:.* DHCPv6( |$)" && DHCPv6CAPABLE=1 || DHCPv6CAPABLE=0
- args=""
- config_foreach dnsmasq dnsmasq
- config_foreach dhcp_host_add host
+ 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"
+ config_get tftp_root "$cfg" "tftp_root"
+ [ -d "$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" 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_bool "$cfg" allservers "--all-servers"
+ append_bool "$cfg" noping "--no-ping"
+
+ 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" "minport" "--min-port"
+ append_parm "$cfg" "maxport" "--max-port"
+ append_parm "$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 "$cfg" "leasefile" "--dhcp-leasefile" "/tmp/dhcp.leases"
+ append_parm "$cfg" "resolvfile" "--resolv-file" "/tmp/resolv.conf.auto"
+ append_parm "$cfg" "serversfile" "--servers-file"
+ append_parm "$cfg" "tftp_root" "--tftp-root"
+ append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
+ append_parm "$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 resolvfile $cfg resolvfile
+ config_get dhcpscript $cfg dhcpscript
+
+ config_get leasefile $cfg leasefile "/tmp/dhcp.leases"
+ [ -n "$leasefile" -a \! -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 "$resolvfile"
+ fi
+
+ config_get hostsfile "$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=$TRUSTANCHORSFILE"
+ xappend "--dnssec"
+ [ -x /etc/init.d/sysntpd ] && {
+ /etc/init.d/sysntpd enabled
+ [ "$?" -ne 0 -o "$(uci_get system.ntp.enabled)" = "1" ] && {
+ [ -f "$TIMEVALIDFILE" ] || xappend "--dnssec-no-timecheck"
+ }
+ }
+ append_bool "$cfg" dnsseccheckunsigned "--dnssec-check-unsigned"
+ }
+
+ dhcp_option_add "$cfg" "" 0
+
+ xappend "--dhcp-broadcast=tag:needs-broadcast"
+
+ xappend "--addn-hosts=$HOSTFILE"
+
+ config_get dnsmasqconfdir "$cfg" confdir "/tmp/dnsmasq.d"
+ [ ! -d "$dnsmasqconfdir" ] && mkdir -p $dnsmasqconfdir
+ xappend "--conf-dir=$dnsmasqconfdir"
+ xappend "--user=dnsmasq"
+ xappend "--group=dnsmasq"
+ echo >> $CONFIGFILE_TMP
+
+ config_get_bool enable_tftp "$cfg" enable_tftp 0
+ [ "$enable_tftp" -gt 0 ] && {
+ config_get tftp_root "$cfg" tftp_root
+ append EXTRA_MOUNT $tftp_root
+ }
+
+ config_foreach filter_dnsmasq host dhcp_host_add "$cfg"
echo >> $CONFIGFILE_TMP
- config_foreach dhcp_boot_add boot
- config_foreach dhcp_mac_add mac
- config_foreach dhcp_tag_add tag
- config_foreach dhcp_vendorclass_add vendorclass
- config_foreach dhcp_userclass_add userclass
- config_foreach dhcp_circuitid_add circuitid
- config_foreach dhcp_remoteid_add remoteid
- config_foreach dhcp_subscrid_add subscrid
- config_foreach dhcp_match_add match
- config_foreach dhcp_domain_add domain
- config_foreach dhcp_hostrecord_add hostrecord
- config_foreach dhcp_relay_add relay
+ config_foreach filter_dnsmasq boot dhcp_boot_add "$cfg"
+ config_foreach filter_dnsmasq mac dhcp_mac_add "$cfg"
+ config_foreach filter_dnsmasq tag dhcp_tag_add "$cfg"
+ config_foreach filter_dnsmasq vendorclass dhcp_vendorclass_add "$cfg"
+ config_foreach filter_dnsmasq userclass dhcp_userclass_add "$cfg"
+ config_foreach filter_dnsmasq circuitid dhcp_circuitid_add "$cfg"
+ config_foreach filter_dnsmasq remoteid dhcp_remoteid_add "$cfg"
+ config_foreach filter_dnsmasq subscrid dhcp_subscrid_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"
# add own hostname
[ $ADD_LOCAL_HOSTNAME -eq 1 ] && {
}
echo >> $CONFIGFILE_TMP
- config_foreach dhcp_srv_add srvhost
- config_foreach dhcp_mx_add mxhost
+ config_foreach filter_dnsmasq srvhost dhcp_srv_add "$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 dhcp_add dhcp
+ config_foreach filter_dnsmasq dhcp dhcp_add "$cfg"
fi
echo >> $CONFIGFILE_TMP
- config_foreach dhcp_cname_add cname
+ config_foreach filter_dnsmasq cname dhcp_cname_add "$cfg"
+ echo >> $CONFIGFILE_TMP
+
echo >> $CONFIGFILE_TMP
mv -f $CONFIGFILE_TMP $CONFIGFILE
- rm -f /tmp/resolv.conf
- [ $ADD_LOCAL_DOMAIN -eq 1 ] && [ -n "$DOMAIN" ] && {
- echo "search $DOMAIN" >> /tmp/resolv.conf
+ [ "$resolvfile" = "/tmp/resolv.conf.auto" ] && {
+ 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 $DNS_SERVER" >> /tmp/resolv.conf
+ done
}
- DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
- for DNS_SERVER in $DNS_SERVERS ; do
- echo "nameserver $DNS_SERVER" >> /tmp/resolv.conf
- done
- procd_open_instance
- procd_set_param command $PROG -C $CONFIGFILE -k -x /var/run/dnsmasq/dnsmasq.pid
+ procd_open_instance $cfg
+ procd_set_param command $PROG -C $CONFIGFILE -k -x /var/run/dnsmasq/dnsmasq."${cfg}".pid
procd_set_param file $CONFIGFILE
procd_set_param respawn
+ local dnsmasqconffile="/etc/dnsmasq.${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 /etc/dnsmasq.conf /tmp/dnsmasq.d /tmp/resolv.conf.auto /etc/hosts /etc/ethers $EXTRA_MOUNT
- procd_add_jail_mount_rw /var/run/dnsmasq/ /tmp/dhcp.leases
+ 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_rw /var/run/dnsmasq/ $leasefile
procd_close_instance
}
+dnsmasq_stop()
+{
+ local cfg="$1"
+
+ config_get resolvfile "$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
+ }
+ }
+
+ rm -f ${BASEDHCPSTAMPFILE}.${cfg}.*.dhcp
+}
+
+service_triggers()
+{
+ procd_add_reload_trigger "dhcp"
+ procd_add_raw_trigger "interface.*" 2000 /etc/init.d/dnsmasq reload
+}
+
+boot()
+{
+ BOOT=1
+ start "$@"
+}
+
+start_service() {
+ local instance="$1"
+ local instance_found=0
+
+ [ -n "$BOOT" ] && return
+
+ . /lib/functions/network.sh
+
+ config_cb() {
+ local type="$1"
+ local name="$2"
+ if [ "$type" = "dnsmasq" ]; then
+ if [ -n "$instance" -a "$instance" = "$name" ]; then
+ instance_found=1
+ fi
+ fi
+ }
+
+ config_load dhcp
+
+ if [ -n "$instance" ]; then
+ [ "$instance_found" -gt 0 ] || return
+ dnsmasq_start "$instance"
+ else
+ config_foreach dnsmasq_start dnsmasq
+ fi
+}
+
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
+ local instance="$1"
+ local instance_found=0
+
+ config_cb() {
+ local type="$1"
+ local name="$2"
+ if [ "$type" = "dnsmasq" ]; then
+ if [ -n "$instance" -a "$instance" = "$name" ]; then
+ instance_found=1
+ fi
+ fi
}
- rm -f /var/run/dnsmasq.*.dhcp
+
+ config_load dhcp
+
+ if [ -n "$instance" ]; then
+ [ "$instance_found" -gt 0 ] || return
+ dnsmasq_stop "$instance"
+ else
+ config_foreach dnsmasq_stop dnsmasq
+ fi
}