X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/a143751bb56550e535784929e4e6402bdc4b959c..cbe6c66638efddd36b0bb71f46dd5f5689a3e045:/package/dnsmasq/files/dnsmasq.init?ds=inline

diff --git a/package/dnsmasq/files/dnsmasq.init b/package/dnsmasq/files/dnsmasq.init
index 37b8eb866..00882e5f5 100644
--- a/package/dnsmasq/files/dnsmasq.init
+++ b/package/dnsmasq/files/dnsmasq.init
@@ -23,8 +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() {
@@ -42,17 +42,23 @@ append_server() {
 }
 
 append_interface() {
-	append args "-i $1"
+	local ifname=$(uci_get_state network "$1" ifname "$1")
+	append args "-i $ifname"
 }
 
 append_notinterface() {
-	append args "-I $1"
+	local ifname=$(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"
@@ -72,6 +78,7 @@ dnsmasq() {
 	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"
@@ -83,6 +90,7 @@ dnsmasq() {
 	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"
@@ -90,12 +98,38 @@ dnsmasq() {
 
 	config_get DOMAIN "$cfg" domain
 
+	config_get_bool readethers "$cfg" readethers
+	[ "$readethers" = "1" ] && [ -e "/etc/ethers" ] || touch /etc/ethers
+
 	config_get leasefile $cfg leasefile
-	[ -e "$leasefile" ] || touch "$leasefile"
+	[ -n "$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() {
@@ -176,13 +210,15 @@ dhcp_host_add() {
 	config_get networkid "$cfg" networkid
 	[ -n "$networkid" ] && dhcp_option_add "$cfg" "$networkid"
 
-	config_get mac "$cfg" mac
-	[ -n "$mac" ] || return 0
-
 	config_get ip "$cfg" ip
 	[ -n "$ip" ] || return 0
 
-	append args "--dhcp-host=$mac,${networkid:+net:$networkid,}$ip${name:+,$name}"
+	macs=""
+	config_get mac "$cfg" mac
+	for m in $mac; do append macs "$m" ","; done
+	[ -n "$macs" ] || return 0
+
+	append args "--dhcp-host=$macs,${networkid:+net:$networkid,}$ip${name:+,$name}"
 }
 
 dhcp_mac_add() {
@@ -235,7 +271,7 @@ dhcp_add() {
 		DNS_SERVERS="$DNS_SERVERS $dnsserver"
 	}
 
-	append_bool "$cfg" ignore "-2 $ifname" && return 0
+	append_bool "$cfg" ignore "-2 '$ifname'" && return 0
 
 	config_get proto "$net" proto
 	[ static = "$proto" ] || return 0
@@ -246,7 +282,7 @@ 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 ] || {
+	[ $force -gt 0 ] || {
 		udhcpc -n -q -s /bin/true -t 1 -i $ifname >&- && return 0
 	}
 
@@ -258,7 +294,7 @@ 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=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"
@@ -279,16 +315,47 @@ dhcp_option_add() {
 
 dhcp_domain_add() {
 	local cfg="$1"
+	local ip name names
 
-	config_get name "$cfg" name
-	[ -n "$name" ] || return 0
+	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"
-	append args "-A /$name${DOMAIN:+.$DOMAIN}/$ip"
-	append args "--ptr-record=$4.$3.$2.$1.in-addr.arpa,$name${DOMAIN:+.$DOMAIN}"
+	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() {
@@ -307,10 +374,12 @@ start() {
 	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