69 lines
1.3 KiB
Bash
Executable file
69 lines
1.3 KiB
Bash
Executable file
#!/bin/sh
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# Based on alpine's tunnel configuration script.
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# Copyright (c) 2017 Kaarle Ritvanen
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# Copyright (c) 2020 Ariadne Conill (extended for ifupdown-ng)
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# Copyright (c) 2021 Maximilian Wilhelm (make sure mode/type is 1st parameter)
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[ -z "$IF_TUNNEL_LOCAL" ] && exit 1
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[ -z "$IF_TUNNEL_REMOTE" ] && exit 1
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[ -z "$IF_TUNNEL_MODE" ] && exit 1
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[ -n "$VERBOSE" ] && set -x
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# Figure out address familiy
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FAMILY="-4"
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case "$IF_TUNNEL_MODE" in
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vti6|ipip6|ip6*)
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FAMILY="-6"
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;;
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esac
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# Figure out object type - gretap tunnels have to create using ip link
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# and therefor require 'type' keyword instead of 'mode'
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OBJECT="tunnel"
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TYPE_KW="mode"
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case "${IF_TUNNEL_MODE}" in
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*gretap)
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OBJECT="link"
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TYPE_KW="type"
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# Strip possible "ip6" from tunnel mode
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TUNNEL_MODE="gretap"
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;;
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*)
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# Store tunnel type/mode separaltely and unset input variable to exclude it
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# from PARAMS below
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TUNNEL_MODE="$IF_TUNNEL_MODE"
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unset IF_TUNNEL_MODE
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;;
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esac
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# Mangle residual IF_TUNNEL_* params into single string
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PARAMS=$(set | sed -E '
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s/^IF_TUNNEL_([A-Z0-9_]+)=(.+)/\1\n\2/
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ta
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d
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:a
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h
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y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/
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P
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g
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s/.*\n//
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')
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[ "$PARAMS" ] || exit 0
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case "$PHASE" in
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create)
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${MOCK} eval ip $FAMILY $OBJECT add $IFACE $TYPE_KW $TUNNEL_MODE $PARAMS
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;;
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destroy)
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${MOCK} ip $FAMILY $OBJECT del $IFACE
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;;
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depend)
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echo "$IF_TUNNEL_DEV"
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;;
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esac
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