base-files: /usr/lib/common.awk is only used by /bin/ipcalc.sh, move the code there

[openwrt.git] / package / dnsmasq / files / dnsmasq.init

diff --git a/package/dnsmasq/files/dnsmasq.init b/package/dnsmasq/files/dnsmasq.init
index 00882e5..9bd6225 100644 (file)
--- a/package/dnsmasq/files/dnsmasq.init
+++ b/package/dnsmasq/files/dnsmasq.init
@@ -78,6 +78,7 @@ dnsmasq() {
        append_bool "$cfg" enable_tftp "--enable-tftp"
        append_bool "$cfg" nonwildcard "-z"
 
+       append_parm "$cfg" dhcpscript "-6"
        append_parm "$cfg" cachesize "-c"
        append_parm "$cfg" dnsforwardmax "-0"
        append_parm "$cfg" port "-p"
@@ -271,7 +272,7 @@ 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
@@ -283,7 +284,12 @@ 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 -s /bin/true -t 1 -i $ifname >&- && return 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 "$cfg" start
@@ -295,6 +301,7 @@ dhcp_add() {
        leasetime="${leasetime:-12h}"
        start="$(dhcp_calc "${start:-100}")"
        limit="${limit:-150}"
+       [ "$limit" -gt 0 ] && limit=$((limit-1))
        eval "$(ipcalc.sh $ipaddr $netmask $start $limit)"
        if [ "$dynamicdhcp" = "0" ]; then END="static"; fi
        append args "--dhcp-range=$networkid,$START,$END,$NETMASK,$leasetime${options:+ $options}"