55 lines
1.5 KiB
Bash
Executable File
55 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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test -z "$1" && echo "Error: should be called from udhcpc" && exit 1
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RESOLV_CONF="/etc/resolv.conf"
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test -n "$broadcast" && BROADCAST="broadcast $broadcast"
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test -n "$subnet" && NETMASK="netmask $subnet"
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case "$1" in
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deconfig)
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logger -p local0.notice "DHCP deconfig"
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grep -q -v ip= /proc/cmdline
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if test $? -eq 0; then
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ifconfig $interface up
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fi
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grep -q -v nfsroot= /proc/cmdline
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if test $? -eq 0; then
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ifconfig $interface 0.0.0.0
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fi
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rm -f /tmp/satip-network
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killall -9 minisatip 2> /dev/null
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;;
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leasefail|nak)
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logger -p local0.notice "DHCP $1"
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;;
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renew|bound)
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old=$(ifconfig $interface | head -2 | tail -1 | cut -d ':' -f 2 | cut -d ' ' -f 1)
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logger -p local0.notice "DHCP $1 ('$ip' '$BROADCAST' '$NETMASK' | '$router' '$dns') replacing '$old'"
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if test "$old" != "$ip" -a -r /tmp/satip-network; then
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logger -p local0.notice "DHCP IPv4 changed, killing minisatip"
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rm -f /tmp/satip-network
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killall -9 minisatip 2> /dev/null
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fi
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ifconfig $interface $ip $BROADCAST $NETMASK
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if test -n "$router" ; then
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while route del default gw 0.0.0.0 dev $interface 2> /dev/null; do
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:
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done
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for i in $router ; do
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route add default gw $i dev $interface
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done
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fi
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echo -n > $RESOLV_CONF
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test -n "$domain" && echo "search $domain" >> $RESOLV_CONF
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for i in $dns ; do
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echo "nameserver $i" >> $RESOLV_CONF
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done
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# notify satip init script
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echo "ok" | nc 127.0.0.1 999 2> /dev/null
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sleep 0.5
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echo "ok" | nc 127.0.0.1 999 2> /dev/null
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;;
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esac
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exit 0
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