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wg-quick: support old ip(8)

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Old versions of ip(8) do not accept arguments to `ip rule show.` This
patch works around that limitation.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Pim van Pelt 2017-03-16 23:57:55 +01:00 committed by Jason A. Donenfeld
parent 89cb1a18a4
commit ef66ea99e4
1 changed files with 8 additions and 4 deletions
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12
src/wg-quick.bash
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@ -83,13 +83,17 @@ del_if() {
DEFAULT_TABLE=0 DEFAULT_TABLE=0
[[ $fwmark != off ]] && DEFAULT_TABLE=$(( $fwmark )) [[ $fwmark != off ]] && DEFAULT_TABLE=$(( $fwmark ))
if [[ $DEFAULT_TABLE -ne 0 ]]; then if [[ $DEFAULT_TABLE -ne 0 ]]; then
while [[ -n $(ip -4 rule show table $DEFAULT_TABLE) ]]; do while [[ $(ip -4 rule show) == *"lookup $DEFAULT_TABLE"* ]]; do
cmd ip -4 rule delete table $DEFAULT_TABLE cmd ip -4 rule delete table $DEFAULT_TABLE
[[ $(ip -4 rule show table main) == *"from all lookup main suppress_prefixlength 0"* ]] && cmd ip -4 rule delete table main suppress_prefixlength 0
done done
while [[ -n $(ip -6 rule show table $DEFAULT_TABLE) ]]; do while [[ $(ip -4 rule show) == *"from all lookup main suppress_prefixlength 0"* ]]; do
cmd ip -4 rule delete table main suppress_prefixlength 0
done
while [[ $(ip -6 rule show) == *"lookup $DEFAULT_TABLE"* ]]; do
cmd ip -6 rule delete table $DEFAULT_TABLE cmd ip -6 rule delete table $DEFAULT_TABLE
[[ $(ip -6 rule show table main) == *"from all lookup main suppress_prefixlength 0"* ]] && cmd ip -6 rule delete table main suppress_prefixlength 0 done
while [[ $(ip -6 rule show) == *"from all lookup main suppress_prefixlength 0"* ]]; do
cmd ip -6 rule delete table main suppress_prefixlength 0
done done
fi fi
cmd ip link delete dev "$INTERFACE" cmd ip link delete dev "$INTERFACE"