From c93e90ccb180046c1859995c2ba33ab94000e758 Mon Sep 17 00:00:00 2001
From: "Ycarus (Yannick Chabanois)" <ycarus@zugaina.org>
Date: Thu, 8 Apr 2021 20:41:58 +0200
Subject: [PATCH] More check on omr-bypass

---
 luci-app-omr-bypass/root/etc/init.d/omr-bypass | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/luci-app-omr-bypass/root/etc/init.d/omr-bypass b/luci-app-omr-bypass/root/etc/init.d/omr-bypass
index e7446143a..dcd209784 100755
--- a/luci-app-omr-bypass/root/etc/init.d/omr-bypass
+++ b/luci-app-omr-bypass/root/etc/init.d/omr-bypass
@@ -10,6 +10,7 @@ EXTRA_COMMANDS="reload_rules bypass_asn"
 
 _add_proto() {
 	protoname=$1
+	[ -z "$protoname" ] && return
 	if [ "$(dd if=/proc/net/xt_ndpi/proto bs=4096 2> /dev/null | grep $protoname)" = "" ]; then
 		echo "add_custom $protoname" >/proc/net/xt_ndpi/proto
 	fi
@@ -44,6 +45,7 @@ _bypass_domains() {
 	config_get intf $1 interface
 	config_get enabled $1 enabled
 	[ "$enabled" = "0" ] && return
+	[ -z "$domain" ] && return
 	if [ "$(echo $domain | grep '\.$')" != "" ] || [ "$(echo $domain | grep '\.\*$')" != "" ]; then
 		tlds=`curl --max-time 4 -s -k https://data.iana.org/TLD/tlds-alpha-by-domain.txt`
 		domain="$(echo '"$domain"' | sed 's:*::')"
@@ -742,7 +744,7 @@ start_service() {
 			done
 			if [ "$ipsets" != "" ]; then
 				resultipset="/$(echo $dnsipset | cut -d/ -f2)/$ipsets"
-				uci -q add_list dhcp.@dnsmasq[0].ipset=$resultipset
+				[ -n "$resultipset" ] && uci -q add_list dhcp.@dnsmasq[0].ipset=$resultipset
 			fi
 		done
 	fi