# Copyright (C) 2007 OpenWrt.org
START=60
+DNS_SERVERS=""
dhcp_calc() {
local ip="$1"
local res=0
-
+
while [ -n "$ip" ]; do
part="${ip%%.*}"
res="$(($res * 256))"
local section="$1"
local option="$2"
local value="$3"
- local _tmp
- config_get_bool _tmp "$section" "$option"
- [ "$_tmp" -gt 0 ] && append args "$3"
+ local _loctmp
+ config_get_bool _loctmp "$section" "$option"
+ [ "$_loctmp" -gt 0 ] && append args "$value"
+}
+
+append_parm() {
+ local section="$1"
+ local option="$2"
+ local switch="$3"
+ local _loctmp
+ config_get _loctmp "$section" "$option"
+ [ -z "$_loctmp" ] && return 0
+ append args "$switch $_loctmp"
+}
+
+append_server() {
+ append args "-S $1"
+}
+
+append_interface() {
+ append args "-i $1"
}
dnsmasq() {
append_bool "$cfg" nodaemon "-d"
append_bool "$cfg" domainneeded "-D"
append_bool "$cfg" filterwin2k "-f"
- append_bool "$cfg" nohosts "-I $nohosts"
+ append_bool "$cfg" nohosts "-h"
append_bool "$cfg" nonegcache "-N"
append_bool "$cfg" strictorder "-o"
append_bool "$cfg" logqueries "-q"
- append_bool "$cfg" noresolv "-I $noresolv"
- append_bool "$cfg" localise_queries "-I $localise_queries"
+ append_bool "$cfg" noresolv "-R"
+ append_bool "$cfg" localise_queries "-y"
append_bool "$cfg" readethers "-Z"
- append_bool "$cfg" dbus "-l"
-
- config_get dnsforwardmax "$cfg" dnsforwardmax
- dnsforwardmax="${dnsforwardmax:-150}"
- append args "-0 $dnsforwardmax"
-
- config_get port "$cfg" port
- port="${port:-53}"
- append args "-p $port"
-
- config_get ednspacket_max "$cfg" ednspacket_max
- ednspacket_max="${ednspacket_max:-1280}"
- append args "-P $ednspacket_max"
-
- config_get dhcpleasemax "$cfg" dhcpleasemax
- dhcpleasemax="${dhcpleasemax:-150}"
- append args "-X $dhcpleasemax"
-
- config_get addnhosts "$cfg" addnhosts
- config_get interface "$cfg" interface
- config_get exceptinterface "$cfg" exceptinterface
- config_get queryport "$cfg" queryport
- config_get domain "$cfg" domain
+ 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" 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 "$cfg" "interface" append_interface
+ append_parm "$cfg" "leasefile" "-l"
+ append_parm "$cfg" "resolvfile" "-r"
+ append_parm "$cfg" "tftp_root" "--tftp-root"
+ append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
+
+ config_get leasefile $cfg leasefile
+ [ -e "$leasefile" ] || touch "$leasefile"
+ config_get_bool cachelocal "$cfg" cachelocal 1
+
+ config_get hostsfile "$cfg" dhcphostsfile
+ [ -e "$hostsfile" ] && append args "--dhcp-hostsfile=$hostsfile"
}
dhcp_subscrid_add() {
local cfg="$1"
-
+
config_get name "$cfg" name
[ -n "$name" ] || return 0
-
+
config_get subscriberid "$cfg" subscriberid
[ -n "$subscriberid" ] || return 0
-
+
append args "--dhcp-subscrid=$name,$subscriberid"
-
+
dhcp_option_add "$cfg" "$name"
}
config_get name "$cfg" name
[ -n "$name" ] || return 0
-
+
config_get remoteid "$cfg" remoteid
[ -n "$remoteid" ] || return 0
-
+
append args "--dhcp-remoteid=$name,$remoteid"
-
+
dhcp_option_add "$cfg" "$name"
}
dhcp_circuitid_add() {
local cfg="$1"
-
+
config_get name "$cfg" name
[ -n "$name" ] || return 0
-
+
config_get circuitid "$cfg" circuitid
[ -n "$circuitid" ] || return 0
-
+
append args "--dhcp-circuitid=$name,$circuitid"
-
+
dhcp_option_add "$cfg" "$name"
}
dhcp_userclass_add() {
local cfg="$1"
-
+
config_get name "$cfg" name
[ -n "$name" ] || return 0
-
+
config_get userclass "$cfg" userclass
[ -n "$userclass" ] || return 0
-
+
append args "--dhcp-userclass=$name,$userclass"
-
+
dhcp_option_add "$cfg" "$name"
}
dhcp_vendorclass_add() {
local cfg="$1"
-
+
config_get name "$cfg" name
[ -n "$name" ] || return 0
-
+
config_get vendorclass "$cfg" vendorclass
[ -n "$vendorclass" ] || return 0
-
+
append args "--dhcp-vendorclass=$name,$vendorclass"
-
+
dhcp_option_add "$cfg" "$name"
}
dhcp_host_add() {
local cfg="$1"
-
+
config_get name "$cfg" name
[ -n "$name" ] || return 0
-
+
config_get mac "$cfg" mac
[ -n "$mac" ] || return 0
-
+ config_get ip "$cfg" ip
+ [ -n "$ip" ] || return 0
+
append args "--dhcp-host=$mac,$ip"
-
+
dhcp_option_add "$cfg" "$name"
}
dhcp_mac_add() {
local cfg="$1"
-
+
config_get name "$cfg" name
[ -n "$name" ] || return 0
-
+
config_get mac "$cfg" mac
[ -n "$mac" ] || return 0
-
+
append args "--dhcp-mac=$name,$mac"
-
+
dhcp_option_add "$cfg" "$name"
}
+dhcp_boot_add() {
+ local cfg="$1"
+
+ config_get name "$cfg" name
+
+ config_get filename "$cfg" filename
+ [ -n "$filename" ] || return 0
+
+ config_get servername "$cfg" servername
+ [ -n "$servername" ] || return 0
+
+ config_get serveraddress "$cfg" serveraddress
+ [ -n "$serveraddress" ] || return 0
+
+ append args "--dhcp-boot=${name:+net:$name,}$filename,$servername,$serveraddress"
+
+ dhcp_option_add "$cfg" "$name"
+}
+
+
dhcp_add() {
local cfg="$1"
config_get net "$cfg" interface
config_get ifname "$net" ifname
[ -n "$ifname" ] || return 0
- append_bool "$cfg" ignore "-I $ifname"
+ config_get dnsserver "$net" dns
+ [ "$cachelocal" = "0" -a -n "$dnsserver" ] && {
+ DNS_SERVERS="$DNS_SERVERS $dnsserver"
+ }
+
+ append_bool "$cfg" ignore "-2 $ifname" && return 0
config_get proto "$net" proto
[ static = "$proto" ] || return 0
config_get ipaddr "$net" ipaddr
- config_get netmask "$net" netmask
+ config_get netmask "$cfg" netmask
+ [ -n "$netmask" ] || config_get netmask "$net" netmask
#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
+ udhcpc -n -q -s /bin/true -t 1 -i $ifname >&- && return 0
}
-
+
config_get start "$cfg" start
config_get limit "$cfg" limit
config_get leasetime "$cfg" leasetime
config_get options "$cfg" options
+ config_get_bool dynamicdhcp "$cfg" dynamicdhcp 1
leasetime="${leasetime:-12h}"
start="$(dhcp_calc "${start:-100}")"
limit="$((${limit:-150} + 1))"
- eval "$(ipcalc.sh $ipaddr $netmask $start $end)"
+ eval "$(ipcalc.sh $ipaddr $netmask $start $limit)"
+ if [ "$dynamicdhcp" = "0" ]; then END="static"; fi
append args "--dhcp-range=$name,$START,$END,$NETMASK,$leasetime${options:+ $options}"
-
+
dhcp_option_add "$cfg" "$name"
}
-dhcp_option_add () {
+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"
+
+ config_get dhcp_option "$cfg" dhcp_option
+ for o in $dhcp_option; do
+ append args "-O $name","$o"
done
}
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
/usr/sbin/dnsmasq $args && {
rm -f /tmp/resolv.conf
- cat > /tmp/resolv.conf <<EOF
-nameserver 127.0.0.1
-search lan
-EOF
+ DNS_SERVERS="$DNS_SERVERS 127.0.0.1"
+ for DNS_SERVER in $DNS_SERVERS ; do
+ echo "nameserver $DNS_SERVER" >> /tmp/resolv.conf
+ done
}
}
stop() {
+ [ -f /tmp/resolv.conf ] && {
+ rm -f /tmp/resolv.conf
+ ln -s /tmp/resolv.conf.auto /tmp/resolv.conf
+ }
killall dnsmasq
+ return 0
}
projects / openwrt.git / blobdiff