upgrade dnsmasq to latest version, rewrite dnsmasq init script for uci, rename /bin/ipcalc to /bin/ipcalc.sh (fixes #1452)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6595 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Felix Fietkau 2007-03-17 13:31:13 +00:00
parent 8dcd686170
commit 947bab0abb
5 changed files with 69 additions and 53 deletions

View File

@ -9,12 +9,12 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=dnsmasq
PKG_VERSION:=2.35
PKG_VERSION:=2.38
PKG_RELEASE:=1
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq
PKG_MD5SUM:=57b8643dc394cf2fbd1bced64536c6df
PKG_MD5SUM:=ab066a97c226066485ad20e5ad5ce424
include $(INCLUDE_DIR)/package.mk
@ -42,7 +42,8 @@ endef
define Package/dnsmasq/install
$(INSTALL_DIR) $(1)/usr/sbin
$(INSTALL_BIN) $(PKG_BUILD_DIR)/src/dnsmasq $(1)/usr/sbin/
$(INSTALL_DIR) $(1)/etc
$(INSTALL_DIR) $(1)/etc/config
$(INSTALL_DATA) ./files/dhcp.conf $(1)/etc/config/dhcp
$(INSTALL_DATA) ./files/dnsmasq.conf $(1)/etc/dnsmasq.conf
$(INSTALL_DIR) $(1)/etc/init.d
$(INSTALL_BIN) ./files/dnsmasq.init $(1)/etc/init.d/dnsmasq

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@ -0,0 +1,9 @@
config dhcp
option interface lan
option start 100
option limit 150
option leasetime 12h
config dhcp
option interface wan
option ignore 1

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@ -10,14 +10,8 @@ domain=lan
expand-hosts
resolv-file=/tmp/resolv.conf.auto
@ifdef dhcp_enable
dhcp-range=@@start@@,@@end@@,@@netmask@@,@@lease@@
dhcp-authoritative
dhcp-leasefile=/tmp/dhcp.leases
@endif
@ifdef wan_ifname
except-interface=@@wan_ifname@@
@endif
# use /etc/ethers for static hosts; same format as --dhcp-host
# <hwaddr> <ipaddr>

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@ -2,55 +2,67 @@
# Copyright (C) 2006 OpenWrt.org
START=60
dhcp_calc() {
local ip="$1"
local res=0
while [ -n "$ip" ]; do
part="${ip%%.*}"
res="$(($res * 256))"
res="$(($res + $part))"
[ "${ip%.*}" != "$ip" ] && ip="${ip#*.}" || ip=
done
echo "$res"
}
dhcp_add() {
local cfg="$1"
config_get net "$cfg" interface
[ -n "$net" ] || return 0
config_get ifname "$net" ifname
[ -n "$ifname" ] || return 0
config_get_bool ignore "$cfg" ignore
[ "$ignore" -gt 0 ] && {
append args "-I $ifname"
return 0
}
config_get proto "$net" proto
[ static = "$proto" ] || return 0
config_get ipaddr "$net" ipaddr
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 -i $ifname >&- && return 0
}
config_get start "$cfg" start
config_get end "$cfg" end
config_get leasetime "$cfg" leasetime
leasetime="${leasetime:-12h}"
start="$(dhcp_calc "${start:-100}")"
end="$((${end:-150} + 1))"
eval "$(ipcalc.sh $ipaddr $netmask $start $end)"
append args "-F $START,$END,$NETMASK,$leasetime"
}
start() {
include /lib/network
scan_interfaces
# The following is to automatically configure the DHCP settings
# based on config settings. Feel free to replace all this crap
# with a simple "dnsmasq" and manage everything via the
# /etc/dnsmasq.conf config file
[ -f /etc/dnsmasq.conf ] || exit
config_load dhcp
args=""
iface=lan
config_get ifname "$iface" ifname
config_get proto "$iface" proto
config_foreach dhcp_add dhcp
[ "$proto" = static ] && dhcp_enable="${dhcp_enable:-1}"
dhcp_start="${dhcp_start:-100}"
dhcp_num="${dhcp_num:-50}"
dhcp_lease="${dhcp_lease:-12h}"
# if dhcp_enable is unset and there is a dhcp server on the network already, default to dhcp_enable=0
[ -z "$dhcp_enable" ] && udhcpc -n -q -R -s /bin/true -i $ifname >&- && dhcp_enable="${dhcp_enable:-0}"
# dhcp_enable=0 disables the dhcp server
(
[ -z "$dhcp_enable" -o "$dhcp_enable" -eq 1 ] && {
# no existing DHCP server?
# calculate settings
config_get ipaddr "$iface" ipaddr
config_get netmask "$iface" netmask
eval $(ipcalc $ipaddr $netmask ${dhcp_start:-100} ${dhcp_num:-150})
# and pass the args via config parser defines
echo "${dhcp_enable:+@define dhcp_enable 1}"
echo "@define netmask $NETMASK"
echo "@define start $START"
echo "@define end $END"
echo "@define lease ${dhcp_lease:-12h}"
}
# ignore requests from wan interface
config_get wan_proto wan proto
config_get wan_ifname wan ifname
[ -z "$wan_proto" -o "$wan_proto" = "none" ] || echo "@define wan_ifname $wan_ifname"
cat /etc/dnsmasq.conf
) | awk -f /lib/config/template.awk | dnsmasq -C /proc/self/fd/0 && {
dnsmasq $args && {
rm -f /tmp/resolv.conf
cat > /tmp/resolv.conf <<EOF
nameserver 127.0.0.1