30 lines
727 B
Bash
Executable File
30 lines
727 B
Bash
Executable File
#!/bin/sh
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. /etc/functions.sh
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. /etc/network.overrides
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[ "$FAILSAFE" != "true" -a -e /etc/config/network ] && . /etc/config/network
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# interface to use for DHCP
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iface=lan
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ifname=$(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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(
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# check for existing DHCP server
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udhcpc -n -q -R -s /dev/zero -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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) &
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