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839cb17e3a
Some modems expose multiple network interfaces on the same USB device,
causing the connection setup script to fail, because glob matching in
the detection phase causes 'ls' to output more than one interface name
plus their base directories in sysfs. Avoid that by listing the
directories explicitly and then selecting first available interface.
This is the case for some variants of ZTE MF286R built-in modem, which
exposes both RNDIS and CDC-ECM network interfaces, causing the
connection setup to fail.
Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
(cherry picked from commit b2940bb8b2)
261 lines
6.5 KiB
Bash
261 lines
6.5 KiB
Bash
#!/bin/sh
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[ -n "$INCLUDE_ONLY" ] || {
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. /lib/functions.sh
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. ../netifd-proto.sh
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init_proto "$@"
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}
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proto_ncm_init_config() {
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no_device=1
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available=1
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proto_config_add_string "device:device"
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proto_config_add_string ifname
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proto_config_add_string apn
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proto_config_add_string auth
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proto_config_add_string username
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proto_config_add_string password
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proto_config_add_string pincode
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proto_config_add_string delay
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proto_config_add_string mode
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proto_config_add_string pdptype
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proto_config_add_int profile
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proto_config_add_defaults
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}
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proto_ncm_setup() {
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local interface="$1"
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local manufacturer initialize setmode connect finalize devname devpath ifpath
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local device ifname apn auth username password pincode delay mode pdptype profile $PROTO_DEFAULT_OPTIONS
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json_get_vars device ifname apn auth username password pincode delay mode pdptype profile $PROTO_DEFAULT_OPTIONS
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[ "$metric" = "" ] && metric="0"
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[ -n "$profile" ] || profile=1
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pdptype=$(echo "$pdptype" | awk '{print toupper($0)}')
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[ "$pdptype" = "IP" -o "$pdptype" = "IPV6" -o "$pdptype" = "IPV4V6" ] || pdptype="IP"
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[ -n "$ctl_device" ] && device=$ctl_device
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[ -n "$device" ] || {
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echo "No control device specified"
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proto_notify_error "$interface" NO_DEVICE
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proto_set_available "$interface" 0
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return 1
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}
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device="$(readlink -f $device)"
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[ -e "$device" ] || {
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echo "Control device not valid"
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proto_set_available "$interface" 0
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return 1
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}
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[ -z "$ifname" ] && {
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devname="$(basename "$device")"
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case "$devname" in
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'tty'*)
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devpath="$(readlink -f /sys/class/tty/$devname/device)"
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ifpath="$devpath/../../*/net"
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;;
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*)
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devpath="$(readlink -f /sys/class/usbmisc/$devname/device/)"
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ifpath="$devpath/net"
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;;
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esac
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ifname="$(ls $(ls -1 -d $ifpath | head -n 1))"
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}
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[ -n "$ifname" ] || {
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echo "The interface could not be found."
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proto_notify_error "$interface" NO_IFACE
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proto_set_available "$interface" 0
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return 1
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}
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[ -n "$delay" ] && sleep "$delay"
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manufacturer=$(gcom -d "$device" -s /etc/gcom/getcardinfo.gcom | awk 'NF && $0 !~ /AT\+CGMI/ { sub(/\+CGMI: /,""); print tolower($1); exit; }')
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[ $? -ne 0 -o -z "$manufacturer" ] && {
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echo "Failed to get modem information"
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proto_notify_error "$interface" GETINFO_FAILED
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return 1
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}
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json_load "$(cat /etc/gcom/ncm.json)"
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json_select "$manufacturer"
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[ $? -ne 0 ] && {
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echo "Unsupported modem"
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proto_notify_error "$interface" UNSUPPORTED_MODEM
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proto_set_available "$interface" 0
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return 1
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}
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json_get_values initialize initialize
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for i in $initialize; do
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eval COMMAND="$i" gcom -d "$device" -s /etc/gcom/runcommand.gcom || {
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echo "Failed to initialize modem"
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proto_notify_error "$interface" INITIALIZE_FAILED
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return 1
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}
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done
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[ -n "$pincode" ] && {
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PINCODE="$pincode" gcom -d "$device" -s /etc/gcom/setpin.gcom || {
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echo "Unable to verify PIN"
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proto_notify_error "$interface" PIN_FAILED
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proto_block_restart "$interface"
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return 1
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}
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}
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json_get_values configure configure
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echo "Configuring modem"
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for i in $configure; do
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eval COMMAND="$i" gcom -d "$device" -s /etc/gcom/runcommand.gcom || {
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echo "Failed to configure modem"
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proto_notify_error "$interface" CONFIGURE_FAILED
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return 1
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}
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done
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[ -n "$mode" ] && {
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json_select modes
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json_get_var setmode "$mode"
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[ -n "$setmode" ] && {
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echo "Setting mode"
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eval COMMAND="$setmode" gcom -d "$device" -s /etc/gcom/runcommand.gcom || {
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echo "Failed to set operating mode"
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proto_notify_error "$interface" SETMODE_FAILED
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return 1
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}
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}
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json_select ..
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}
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echo "Starting network $interface"
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json_get_vars connect
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[ -n "$connect" ] && {
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echo "Connecting modem"
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eval COMMAND="$connect" gcom -d "$device" -s /etc/gcom/runcommand.gcom || {
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echo "Failed to connect"
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proto_notify_error "$interface" CONNECT_FAILED
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return 1
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}
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}
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json_get_vars finalize
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echo "Setting up $ifname"
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proto_init_update "$ifname" 1
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proto_add_data
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json_add_string "manufacturer" "$manufacturer"
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proto_close_data
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proto_send_update "$interface"
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local zone="$(fw3 -q network "$interface" 2>/dev/null)"
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[ "$pdptype" = "IP" -o "$pdptype" = "IPV4V6" ] && {
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json_init
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json_add_string name "${interface}_4"
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json_add_string ifname "@$interface"
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json_add_string proto "dhcp"
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proto_add_dynamic_defaults
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[ -n "$zone" ] && {
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json_add_string zone "$zone"
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}
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json_close_object
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ubus call network add_dynamic "$(json_dump)"
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}
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[ "$pdptype" = "IPV6" -o "$pdptype" = "IPV4V6" ] && {
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json_init
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json_add_string name "${interface}_6"
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json_add_string ifname "@$interface"
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json_add_string proto "dhcpv6"
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json_add_string extendprefix 1
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proto_add_dynamic_defaults
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[ -n "$zone" ] && {
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json_add_string zone "$zone"
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}
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json_close_object
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ubus call network add_dynamic "$(json_dump)"
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}
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[ -n "$finalize" ] && {
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eval COMMAND="$finalize" gcom -d "$device" -s /etc/gcom/runcommand.gcom || {
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echo "Failed to configure modem"
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proto_notify_error "$interface" FINALIZE_FAILED
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return 1
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}
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}
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}
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proto_ncm_teardown() {
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local interface="$1"
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local manufacturer disconnect
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local device profile
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json_get_vars device profile
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[ -n "$ctl_device" ] && device=$ctl_device
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[ -n "$device" ] || {
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echo "No control device specified"
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proto_notify_error "$interface" NO_DEVICE
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proto_set_available "$interface" 0
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return 1
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}
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device="$(readlink -f $device)"
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[ -e "$device" ] || {
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echo "Control device not valid"
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proto_set_available "$interface" 0
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return 1
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}
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[ -n "$profile" ] || profile=1
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echo "Stopping network $interface"
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json_load "$(ubus call network.interface.$interface status)"
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json_select data
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json_get_vars manufacturer
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[ $? -ne 0 -o -z "$manufacturer" ] && {
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# Fallback to direct detect, for proper handle device replug.
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manufacturer=$(gcom -d "$device" -s /etc/gcom/getcardinfo.gcom | awk 'NF && $0 !~ /AT\+CGMI/ { sub(/\+CGMI: /,""); print tolower($1); exit; }')
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[ $? -ne 0 -o -z "$manufacturer" ] && {
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echo "Failed to get modem information"
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proto_notify_error "$interface" GETINFO_FAILED
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return 1
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}
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json_add_string "manufacturer" "$manufacturer"
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}
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json_load "$(cat /etc/gcom/ncm.json)"
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json_select "$manufacturer" || {
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echo "Unsupported modem"
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proto_notify_error "$interface" UNSUPPORTED_MODEM
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return 1
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}
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json_get_vars disconnect
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[ -n "$disconnect" ] && {
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eval COMMAND="$disconnect" gcom -d "$device" -s /etc/gcom/runcommand.gcom || {
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echo "Failed to disconnect"
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proto_notify_error "$interface" DISCONNECT_FAILED
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return 1
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}
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}
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proto_init_update "*" 0
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proto_send_update "$interface"
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}
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[ -n "$INCLUDE_ONLY" ] || {
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add_protocol ncm
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}
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