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wg-quick: make sure we have empty table for both v6 and v4 

Otherwise, we wind up not doing the right thing in the v6-only case, or
doing something totally borked when v4 and v6 are filled unevenly.

Reported-by: Roelf Wichertjes <contact@roelf.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2017-06-11 23:39:17 +02:00
parent fbf715ea45
commit 1b5234f3d5
1 changed files with 3 additions and 1 deletions
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4
src/wg-quick.bash
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@ -141,7 +141,9 @@ DEFAULT_TABLE=
add_default() { add_default() {
if [[ -z $DEFAULT_TABLE ]]; then if [[ -z $DEFAULT_TABLE ]]; then
DEFAULT_TABLE=51820 DEFAULT_TABLE=51820
while [[ -n $(ip route show table $DEFAULT_TABLE) ]]; do ((DEFAULT_TABLE++)); done while [[ -n $(ip -4 route show table $DEFAULT_TABLE) || -n $(ip -6 route show table $DEFAULT_TABLE) ]]; do
((DEFAULT_TABLE++))
done
fi fi
local proto=-4 src ip local proto=-4 src ip
if [[ $1 == *:* ]]; then if [[ $1 == *:* ]]; then