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pia-wg: check sysfs instead of invoking ip link to test if interface exists

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This commit is contained in:
Michael Moon
2020-06-30 14:56:37 +08:00
parent 1b2679cdf6
commit 8e7131d1d8
1 changed files with 5 additions and 1 deletions
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6
pia-wg.sh
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@@ -224,7 +224,7 @@ if ! curl -GsS \
"https://$WG_SERIAL:$WG_PORT/addKey" > "$REMOTEINFO.temp"
then
echo "Failed to register key with $WG_SN ($WG_HOST)"
if ip link list "$PIA_INTERFACE" > /dev/null
if ! [ -e "/sys/class/net/$PIA_INTERFACE" ]
then
echo "If you're trying to change hosts because your link has stopped working,"
echo " you may need to "$'\x1b[1m'"ip link del dev $PIA_INTERFACE"$'\x1b[0m'" and try this script again"
@@ -320,6 +320,10 @@ then
wg set "$PIA_INTERFACE" private-key <(echo "$CLIENT_PRIVATE_KEY") peer "$SERVER_PUBLIC_KEY" endpoint "$SERVER_IP:$SERVER_PORT" allowed-ips "0.0.0.0/0,::/0" || exit 1
ip addr replace "$PEER_IP" dev "$PIA_INTERFACE" || exit 1
# Note: unnecessary if Table != off above, but doesn't hurt.
# doubled because this listing appears to disappear sometimes
ip rule add to "$SERVER_IP" lookup china pref 10
# Note: only if Table = off in wireguard config file above
ip route add default dev "$PIA_INTERFACE"