80 lines
1.6 KiB
Bash
Executable File
80 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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set -e
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WAIT_ONLINE_METHOD="ifup"
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WAIT_ONLINE_IFACE=""
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WAIT_ONLINE_ADDRESS=""
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WAIT_ONLINE_TIMEOUT=300
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[ -f /etc/default/networking ] && . /etc/default/networking
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case "$WAIT_ONLINE_METHOD" in
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route)
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[ -n "$WAIT_ONLINE_ADDRESS" ] || WAIT_ONLINE_ADDRESS=default
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(/usr/bin/timeout "$WAIT_ONLINE_TIMEOUT" /sbin/ip mon r & /sbin/ip -4 r s; /sbin/ip -6 r s) | /bin/grep -q "^$WAIT_ONLINE_ADDRESS\>"
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;;
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ping)
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if [ -z "$WAIT_ONLINE_ADDRESS" ]; then
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echo "No WAIT_ONLINE_ADDRESS specified" >&2
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exit 1
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fi
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/bin/ping -q -c 1 -w "$WAIT_ONLINE_TIMEOUT" "$WAIT_ONLINE_ADDRESS" >/dev/null
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;;
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ping6)
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/bin/ping6 -q -c 1 -w "$WAIT_ONLINE_TIMEOUT" "$WAIT_ONLINE_ADDRESS" >/dev/null
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;;
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ifup|iface|interface)
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up=false
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if [ -z "$WAIT_ONLINE_IFACE" ]; then
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auto_list="$(/sbin/ifquery -X lo --list)"
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hotplug_list="$(/sbin/ifquery -X lo --allow=hotplug --list)"
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if [ -n "$auto_list" ]; then
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for i in $(seq 1 $WAIT_ONLINE_TIMEOUT); do
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up=true
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for iface in $auto_list; do
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if ! /sbin/ifquery --state $iface >/dev/null; then
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up=false
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break
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fi
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done
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if [ $up = true ]; then
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break
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fi
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sleep 1
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done
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elif [ -n "$hotplug_list" ]; then
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for i in $(seq 1 $WAIT_ONLINE_TIMEOUT); do
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if [ -n "$(/sbin/ifquery --state $hotplug_list)" ]; then
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up=true
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break
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fi
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sleep 1
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done
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else
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exit 0
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fi
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else
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for i in $(seq 1 $WAIT_ONLINE_TIMEOUT); do
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if [ -n "$(/sbin/ifquery --state $WAIT_ONLINE_IFACE)" ]; then
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up=true
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break
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fi
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sleep 1
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done
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fi
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[ $up = true ] || exit 1
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;;
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no|none)
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exit 0
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;;
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*)
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echo "Unknown wait method $WAIT_ONLINE_METHOD" >&2
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exit 1
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;;
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esac
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