Merge pull request #143 from AristoChen/master

Allow user to specify DNS when setting static IP

debian-config-functions-network

@@ -227,12 +227,13 @@ function create_if_config() {
 	address=$(ip -4 addr show dev $1 | awk '/inet/ {print $2}' | cut -d'/' -f1)
 	netmask=$(ip -4 addr show dev $1 | awk '/inet/ {print $2}' | cut -d'/' -f2)
 	gateway=$(route -n | grep 'UG[ \t]' | awk '{print $2}' | sed -n '1p')
+	dns=$gateway
 	echo -e "# armbian-config created"
 	echo -e "source /etc/network/interfaces.d/*\n"
 	if [[ "$3" == "fixed" ]]; then
 		echo -e "# Local loopback\nauto lo\niface lo init loopback\n"
 		echo -e "# Interface $2\nauto $2\nallow-hotplug $2"
-		echo -e "iface $2 inet static\n\taddress $address\n\tnetmask $netmask\n\tgateway $gateway\n\tdns-nameservers 8.8.8.8"
+		echo -e "iface $2 inet static\n\taddress $address\n\tnetmask $netmask\n\tgateway $gateway\n\tdns-nameservers $dns"
 	fi
 
 }
@@ -351,15 +352,16 @@ function netmask_to_cidr ()
 #
 function nm_ip_editor ()
 {
+	dns=$gateway
 
-exec 3>&1
-	dialog --title " Static IP configuration" --backtitle "$BACKTITLE" --form "\nAdapter: $1
-	\n " 12 38 0 \
+	exec 3>&1
+	dialog --title " Static IP configuration" --backtitle "$BACKTITLE" --form "\nAdapter: $1 \n " 13 38 0 \
 	"Address:"    1 1 "$address"    1 15 15 0 \
 	"Netmask:"    2 1 "$netmask"    2 15 15 0 \
 	"Gateway:"    3 1 "$gateway"    3 15 15 0 \
+	"DNS:"        4 1 "$dns"        4 15 15 0 \
 	2>&1 1>&3 | {
-		read -r address;read -r netmask;read -r gateway
+		read -r address; read -r netmask; read -r gateway; read -r dns
 		if [[ $? = 0 ]]; then
 			localuuid=$(LC_ALL=C nmcli -f UUID,DEVICE connection show | grep $1 | awk '{print $1}')
 			# convert netmask value to CIDR if required
@@ -372,14 +374,14 @@ exec 3>&1
 				# adjust existing
 				nmcli con mod $localuuid ipv4.method manual ipv4.addresses "$address/$CIDR" >/dev/null 2>&1
 				nmcli con mod $localuuid ipv4.method manual ipv4.gateway  "$gateway" >/dev/null 2>&1
-				nmcli con mod $localuuid ipv4.dns "8.8.8.8,$gateway" >/dev/null 2>&1
+				nmcli con mod $localuuid ipv4.dns "$dns,$gateway" >/dev/null 2>&1
 				nmcli con down $localuuid >/dev/null 2>&1
 				sleep 2
 				nmcli con up $localuuid >/dev/null 2>&1
 			else
 				# create new
 				nmcli con add con-name "armbian" ifname "$1" type 802-3-ethernet ip4 "$address/$CIDR" gw4 "$gateway" >/dev/null 2>&1
-				nmcli con mod "armbian" ipv4.dns "8.8.8.8,$gateway" >/dev/null 2>&1
+				nmcli con mod "armbian" ipv4.dns "$dns,$gateway" >/dev/null 2>&1
 				nmcli con up "armbian" >/dev/null 2>&1
 			fi
 		fi
@@ -399,18 +401,18 @@ function systemd_ip_editor ()
 	if [[ -f $filename ]]; then
 		sed -i '/Network/,$d' $filename
 		exec 3>&1
-		dialog --title " Static IP configuration" --backtitle "$BACKTITLE" --form "\nAdapter: $1
-		\n " 12 38 0 \
+		dialog --title " Static IP configuration" --backtitle "$BACKTITLE" --form "\nAdapter: $1 \n " 13 38 0 \
 		"Address:"    1 1 "$address"    1 15 15 0 \
 		"Netmask:"    2 1 "$netmask"    2 15 15 0 \
 		"Gateway:"    3 1 "$gateway"    3 15 15 0 \
+		"DNS:"        4 1 "$dns"        4 15 15 0 \
 		2>&1 1>&3 | {
-			read -r address;read -r netmask;read -r gateway
+			read -r address; read -r netmask; read -r gateway; read -r dns;
 			if [[ $? = 0 ]]; then
 				echo -e "[Network]" >>$filename
 				echo -e "Address=$address" >> $filename
 				echo -e "Gateway=$gateway" >> $filename
-				echo -e "DNS=8.8.8.8" >> $filename
+				echo -e "DNS=$dns" >> $filename
 			fi
 		}
 	fi
@@ -427,18 +429,18 @@ function ip_editor ()
 {
 
 	exec 3>&1
-	dialog --title " Static IP configuration" --backtitle "$BACKTITLE" --form "\nAdapter: $1
-	\n " 12 38 0 \
+	dialog --title " Static IP configuration" --backtitle "$BACKTITLE" --form "\nAdapter: $1 \n " 13 38 0 \
 	"Address:"    1 1 "$address"    1 15 15 0 \
 	"Netmask:"    2 1 "$netmask"    2 15 15 0 \
 	"Gateway:"    3 1 "$gateway"    3 15 15 0 \
+	"DNS:"        4 1 "$dns"        4 15 15 0 \
 	2>&1 1>&3 | {
-		read -r address;read -r netmask;read -r gateway
+		read -r address; read -r netmask; read -r gateway; read -r dns;
 		if [[ $? = 0 ]]; then
 			echo -e "# armbian-config created\nsource /etc/network/interfaces.d/*\n" >$3
 			echo -e "# Local loopback\nauto lo\niface lo inet loopback\n" >> $3
 			echo -e "# Interface $2\nauto $2\nallow-hotplug $2\niface $2 inet static\
-			\n\taddress $address\n\tnetmask $netmask\n\tgateway $gateway\n\tdns-nameservers 8.8.8.8" >> $3
+			\n\taddress $address\n\tnetmask $netmask\n\tgateway $gateway\n\tdns-nameservers $dns" >> $3
 		fi
 	}