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-rwxr-xr-xsrc/tools/wg-quick/linux.bash12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/tools/wg-quick/linux.bash b/src/tools/wg-quick/linux.bash
index 423a2c7..e9c9052 100755
--- a/src/tools/wg-quick/linux.bash
+++ b/src/tools/wg-quick/linux.bash
@@ -205,7 +205,7 @@ remove_firewall() {
HAVE_SET_FIREWALL=0
add_default() {
- local table i
+ local table line
if ! get_fwmark table; then
table=51820
while [[ -n $(ip -4 route show table $table 2>/dev/null) || -n $(ip -6 route show table $table 2>/dev/null) ]]; do
@@ -224,11 +224,11 @@ add_default() {
printf -v nftcmd '%sadd chain %s %s preraw { type filter hook prerouting priority -300; }\n' "$nftcmd" "$pf" "$nftable"
printf -v nftcmd '%sadd chain %s %s premangle { type filter hook prerouting priority -150; }\n' "$nftcmd" "$pf" "$nftable"
printf -v nftcmd '%sadd chain %s %s postmangle { type filter hook postrouting priority -150; }\n' "$nftcmd" "$pf" "$nftable"
- for i in "${ADDRESSES[@]}"; do
- [[ ( $proto == -4 && $i != *:* ) || ( $proto == -6 && $i == *:* ) ]] || continue
- printf -v restore '%s-I PREROUTING ! -i %s -d %s -m addrtype ! --src-type LOCAL -j DROP %s\n' "$restore" "$INTERFACE" "${i%/*}" "$marker"
- printf -v nftcmd '%sadd rule %s %s preraw iifname != %s %s daddr %s fib saddr type != local drop\n' "$nftcmd" "$pf" "$nftable" "$INTERFACE" "$pf" "${i%/*}"
- done
+ while read -r line; do
+ [[ $line =~ .*inet6?\ ([0-9a-f:.]+)/[0-9]+.* ]] || continue
+ printf -v restore '%s-I PREROUTING ! -i %s -d %s -m addrtype ! --src-type LOCAL -j DROP %s\n' "$restore" "$INTERFACE" "${BASH_REMATCH[1]}" "$marker"
+ printf -v nftcmd '%sadd rule %s %s preraw iifname != %s %s daddr %s fib saddr type != local drop\n' "$nftcmd" "$pf" "$nftable" "$INTERFACE" "$pf" "${BASH_REMATCH[1]}"
+ done < <(ip -o $proto addr show dev "$INTERFACE" 2>/dev/null)
printf -v restore '%sCOMMIT\n*mangle\n-I POSTROUTING -m mark --mark %d -p udp -j CONNMARK --save-mark %s\n-I PREROUTING -p udp -j CONNMARK --restore-mark %s\nCOMMIT\n' "$restore" $table "$marker" "$marker"
printf -v nftcmd '%sadd rule %s %s postmangle meta l4proto udp mark %d ct mark set mark \n' "$nftcmd" "$pf" "$nftable" $table
printf -v nftcmd '%sadd rule %s %s premangle meta l4proto udp meta mark set ct mark \n' "$nftcmd" "$pf" "$nftable"