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bsbf-openwrt-resources: improve iface type detection and DNS

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To find the correct network interface to create a network entry for, check
which driver is driving the network interface.

Restrict creating a network entry with DHCP client to network interfaces
driven by the cdc_ether, r8152, rndis_host, or ipheth driver.

Ensure UCI section name derived from interface name is proper.

Do not disable using DNS servers advertised by the ISP. This was a
requirement of bsbf-bonding. We can now do this as we transparently proxy
all DNS traffic to Xray which resolves queries.

Do not exit non-zero as it's useless.

Signed-off-by: Chester A. Unal <chester.a.unal@arinc9.com>
This commit is contained in:
Chester A. Unal
2026-05-16 20:33:33 +01:00
parent 87d61fe943
commit e4c001251e
3 changed files with 20 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files
net/bsbf-openwrt-resources/Makefile
+1 -1
View File
@@ -4,7 +4,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=bsbf-openwrt-resources
PKG_VERSION:=4
PKG_VERSION:=5
PKG_LICENSE:=AGPL-3.0-or-later
PKG_MAINTAINER:=Chester A. Unal <chester.a.unal@arinc9.com>
net/bsbf-openwrt-resources/files/etc/hotplug.d/net/99-bsbf-autoconf-cellular
+3 -4
View File
@@ -3,7 +3,7 @@
# Copyright (C) 2026 Chester A. Unal <chester.a.unal@arinc9.com>
# Only run if an MBIM or QMI network interface is being added.
[ "$ACTION" = "add" ] && cur_proto=$(grep -oE "(mbim|qmi)" /sys"${DEVPATH%/*/*}/uevent") || exit
[ "$ACTION" = "add" ] && cur_proto=$(grep "^DRIVER=" /sys${DEVPATH%/*/*}/uevent | grep -oE "mbim|qmi") || exit
# Find the device path.
if echo "$DEVPATH" | grep -q usb; then
@@ -45,8 +45,8 @@ while [ $metric -le 8 ]; do
# Add 1 to metric if another network uses this metric.
metric=$((metric + 1))
done
# If there are no available metrics, exit with code 1.
[ "$metric" -gt 8 ] && exit 1
# Exit if there are no available metrics.
[ "$metric" -gt 8 ] && exit
# Decide on the network name. Start from wwan1.
index=1
@@ -59,7 +59,6 @@ uci set network.wwan$index.device="$DEVICENAME"
uci set network.wwan$index.devpath="$devpath"
uci set network.wwan$index.proto="$cur_proto"
uci set network.wwan$index.apn='internet'
uci set network.wwan$index.peerdns='0'
uci set network.wwan$index.metric="$metric"
# Add wwan network entry to firewall wan zone.
net/bsbf-openwrt-resources/files/etc/hotplug.d/net/99-bsbf-autoconf-dhcp
+16 -15
View File
@@ -2,14 +2,16 @@
# SPDX-License-Identifier: AGPL-3.0-or-later
# Copyright (C) 2025-2026 Chester A. Unal <chester.a.unal@arinc9.com>
# Only run if a non-virtual network interface is being added.
[ "$ACTION" = "add" ] && echo "$DEVPATH" | grep -qv virtual || exit
# Only run if a cdc_ether, r8152, rndis_host, or ipheth network interface is
# being added.
[ "$ACTION" = "add" ] && grep -E '^DRIVER=(cdc_ether|r8152|rndis_host|ipheth)$' /sys${DEVPATH%/*/*}/uevent || exit
# Exclude MBIM and QMI network interfaces which a DHCP client wouldn't work on.
grep -E "(mbim|qmi)" /sys"${DEVPATH%/*/*}/uevent" && exit
# UCI section names must only contain [a-zA-Z0-9_]. Replace any other character
# with an underscore.
sec_name=$(echo "$DEVICENAME" | sed 's/[^a-zA-Z0-9_]/_/g')
# If a network with the same name already exists, exit.
uci get network.wan_"$DEVICENAME" && exit
# Exit if a network with the same name already exists.
uci get network.wan_"$sec_name" && exit
# Decide on the metric value. Start from 1 and work up to 8.
uci_network=$(uci show network)
@@ -21,19 +23,18 @@ while [ $metric -le 8 ]; do
# Add 1 to metric if another network uses this metric.
metric=$((metric + 1))
done
# If there are no available metrics, exit with code 1.
[ "$metric" -gt 8 ] && exit 1
# Exit if there are no available metrics.
[ "$metric" -gt 8 ] && exit
uci set network.wan_"$DEVICENAME"=interface
uci set network.wan_"$DEVICENAME".device="$DEVICENAME"
uci set network.wan_"$DEVICENAME".proto='dhcp'
uci set network.wan_"$DEVICENAME".peerdns='0'
uci set network.wan_"$DEVICENAME".metric="$metric"
uci set network.wan_"$sec_name"=interface
uci set network.wan_"$sec_name".device="$DEVICENAME"
uci set network.wan_"$sec_name".proto='dhcp'
uci set network.wan_"$sec_name".metric="$metric"
# Add wan network entry to firewall wan zone.
fw_section=$(uci show firewall | grep "name='wan'" | cut -d. -f2)
[ -n "$fw_section" ] && uci add_list firewall.$fw_section.network="wan_$DEVICENAME"
[ -n "$fw_section" ] && uci add_list firewall.$fw_section.network="wan_$sec_name"
uci commit
service firewall reload
ifup wan_"$DEVICENAME"
ifup wan_"$sec_name"