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#!/bin/sh |
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. /etc/functions.sh |
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# interface to use for DHCP |
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iface=lan |
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ifname=$(nvram get ${iface}_ifname) |
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ipaddr=$(nvram get ${iface}_ipaddr) |
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netmask=$(nvram get ${iface}_netmask) |
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# check for existing DHCP server |
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udhcpc -n -q -R -s /bin/true -i $ifname >&- || { |
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ipaddr=$(ip2int $ipaddr) |
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netmask=$(ip2int ${netmask:-255.255.255.0}) |
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network=$((ipaddr&netmask)) |
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start=$(nvram get dhcp_start) |
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start=$((network+${start:-100})) |
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end=$(nvram get dhcp_num) |
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end=$((start+${end:-150})) |
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args="-l /tmp/dhcp.leases -K -F $(int2ip $start),$(int2ip $end),$(int2ip $netmask),12h" |
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} |
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dnsmasq ${args} |
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# filter what we send upstream |
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domain-needed |
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bogus-priv |
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filterwin2k |
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localise-queries |
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# allow /etc/hosts and dhcp lookups via *.lan |
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local=/lan/ |
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domain=lan |
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# no dhcp / dns queries from the wan |
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except-interface=vlan1 |
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# enable dhcp (start,end,netmask,leasetime) |
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dhcp-authoritative |
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#dhcp-range=192.168.1.100,192.168.1.250,255.255.255.0,12h |
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#dhcp-leasefile=/tmp/dhcp.leases |
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# use /etc/ethers for static hosts; same format as --dhcp-host |
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# <hwaddr> [<hostname>] <ipaddr> |
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read-ethers |
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# other useful options: |
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# default route(s): dhcp-option=3,192.168.1.1,192.168.1.2 |
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# dns server(s): dhcp-option=6,192.168.1.1,192.168.1.2 |
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/etc/dnsmasq.conf |
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