[PATCH] wg-quick: avoid traffics from momentarily leaking into the tunnel

[Jason A. Donenfeld]

On Fri, Jun 17, 2022 at 07:34:19PM +0800, Tom Yan wrote:
> The wireguard route table ip rule should stay as a NOP until the
> `suppress_prefixlength 0 table main` rule is in effect. Therefore,
> add the wireguard default route to its route table after the latter
> rule is added.
> 
> Signed-off-by: Tom Yan <tom.ty89 at gmail.com>

Applied, thanks.

> ---
>  src/wg-quick/linux.bash | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/wg-quick/linux.bash b/src/wg-quick/linux.bash
> index e4d4c4f..69e5bef 100755
> --- a/src/wg-quick/linux.bash
> +++ b/src/wg-quick/linux.bash
> @@ -220,9 +220,9 @@ add_default() {
>  	fi
>  	local proto=-4 iptables=iptables pf=ip
>  	[[ $1 == *:* ]] && proto=-6 iptables=ip6tables pf=ip6
> -	cmd ip $proto route add "$1" dev "$INTERFACE" table $table
>  	cmd ip $proto rule add not fwmark $table table $table
>  	cmd ip $proto rule add table main suppress_prefixlength 0
> +	cmd ip $proto route add "$1" dev "$INTERFACE" table $table
>  
>  	local marker="-m comment --comment \"wg-quick(8) rule for $INTERFACE\"" restore=$'*raw\n' nftable="wg-quick-$INTERFACE" nftcmd 
>  	printf -v nftcmd '%sadd table %s %s\n' "$nftcmd" "$pf" "$nftable"
> -- 
> 2.36.1
>