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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,476 @@ #!/bin/sh # This program is free software; you can redistribute it and/or modify it under # the terms of the GNU General Public License as published by the Free Software # Foundation, either version 2 of the License, or (at your option) any later # version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS # FOR A PARTICULAR PURPOSE. See the GNU General Public License for more # details. # # You should have received a copy of the GNU General Public License along with # this program; if not, write to the Free Software Foundation, Inc., 51 # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. # # Copyright (C) 2012-2017 Aleksander Morgado <[email protected]> print_usage () { echo "usage: $0 [OPTIONS] [DEVICE] [COMMAND]" } help () { echo "Usage: qmi-network [OPTIONS] [DEVICE] [COMMAND]" echo echo "Simple network management of QMI devices" echo echo "Commands:" echo " start Start network connection" echo " stop Stop network connection" echo " status Query network connection status" echo echo "Options:" echo " --profile=[PATH] Use the profile in the specified path" echo " --help Show help options" echo " --version Show version" echo echo "Notes:" echo echo " 1) [DEVICE] is given as the full path to the cdc-wdm character" echo " device, e.g.:" echo " /dev/cdc-wdm0" echo echo " 2) The qmi-network script requires a profile to work. Unless" echo " explicitly specified with \`--profile', the file is assumed to" echo " be available in the following path:" echo " /etc/qmi-network.conf" echo echo " 3) The APN to use should be configured in the profile, in the" echo " following way (e.g. assuming APN is called 'internet'):" echo " APN=internet" echo echo " 4) Optional APN user/password strings may be given in the following" echo " way:" echo " APN_USER=user" echo " APN_PASS=password" echo echo " 5) If you want to instruct the qmi-network script to use the" echo " qmi-proxy setup, you can do so by configuring the following line" echo " in the profile:" echo " PROXY=yes" echo echo " 6) Once the qmi-network script reports a successful connection" echo " you still need to run a DHCP client on the associated WWAN network" echo " interface." echo } version () { echo "qmi-network 1.22.0" echo "Copyright (C) 2013-2018 Aleksander Morgado" echo "License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl-2.0.html>" echo "This is free software: you are free to change and redistribute it." echo "There is NO WARRANTY, to the extent permitted by law." echo } # Basic options if [ $# -lt 2 ]; then if [ "$1" = "--help" ]; then help exit 0 elif [ "$1" = "--version" ]; then version exit 0 fi echo "error: missing arguments" 1>&2 print_usage exit 255 fi # Defaults PROFILE_FILE=/etc/qmi-network.conf # Device + Command with options; options given first while [ $# -gt 2 ]; do OPT="$1" shift case "$OPT" in "--") break 2;; "--profile") if [ $# -gt 2 ]; then PROFILE_FILE="$1" shift else PROFILE_FILE="" fi ;; "--profile="*) PROFILE_FILE="${OPT#*=}";; *) echo >&2 "Invalid option: $OPT" print_usage exit 255;; esac done if [ -z "$PROFILE_FILE" ]; then echo "error: empty profile path given" 1>&2 print_usage exit 255 fi if [ $# -ne 2 ] || [ "$1" = '--*' ] || [ "$2" = '--*' ]; then echo "error: missing arguments" 1>&2 print_usage exit 255 fi DEVICE=$1 COMMAND=$2 STATE_FILE=/tmp/qmi-network-state-`basename $DEVICE` load_profile () { if [ -f "$PROFILE_FILE" ]; then echo "Loading profile at ${PROFILE_FILE}..." . $PROFILE_FILE if [ -n "$APN" ]; then echo " APN: $APN" else echo " APN: unset" fi if [ -n "$APN_USER" ]; then echo " APN user: $APN_USER" else echo " APN user: unset" fi if [ -n "$APN_PASS" ]; then echo " APN password: $APN_PASS" else echo " APN password: unset" fi if [ "$PROXY" = "yes" ]; then echo " qmi-proxy: $PROXY" PROXY_OPT='--device-open-proxy' else echo " qmi-proxy: no" fi else echo "Profile at '$PROFILE_FILE' not found..." fi } save_state () { KEY=$1 VAL=$2 echo "Saving state at ${STATE_FILE}... ($KEY: $VAL)" if [ -f "$STATE_FILE" ]; then PREVIOUS=`cat $STATE_FILE` PREVIOUS=`echo "$PREVIOUS" | grep -v $KEY` if [ -n "$PREVIOUS" ]; then echo $PREVIOUS > $STATE_FILE else rm $STATE_FILE fi fi if [ -n "$VAL" ]; then echo "$KEY=\"$VAL\"" >> $STATE_FILE fi } load_state () { if [ -f "$STATE_FILE" ]; then echo "Loading previous state from ${STATE_FILE}..." . $STATE_FILE if [ -n "$CID" ]; then echo " Previous CID: $CID" fi if [ -n "$PDH" ]; then echo " Previous PDH: $PDH" fi fi } clear_state () { echo "Clearing state at ${STATE_FILE}..." rm -f $STATE_FILE } setup_data_format () { RUN_WDA=0 # Read link layer protocol setup in the device DEVICE_DATA_FORMAT_CMD="qmicli -d $DEVICE --wda-get-data-format $PROXY_OPT" echo "Checking data format with '$DEVICE_DATA_FORMAT_CMD'..." if [ -n "$QMIDEBUG" ]; then DEVICE_DATA_FORMAT_OUT="\ [/dev/cdc-wdm1] Successfully got data format QoS flow header: no Link layer protocol: '802-3' Uplink data aggregation protocol: 'disabled' Downlink data aggregation protocol: 'disabled' NDP signature: '0' Uplink data aggregation max size: '0' Downlink data aggregation max size: '0'" else DEVICE_DATA_FORMAT_OUT=`$DEVICE_DATA_FORMAT_CMD` fi DEVICE_LLP=`echo "$DEVICE_DATA_FORMAT_OUT" | sed -n "s/.*Link layer protocol:.*'\(.*\)'.*/\1/p"` if [ -z "$DEVICE_LLP" ]; then echo "Device link layer protocol not retrieved: WDA unsupported" 1>&2 return fi if [ "$DEVICE_LLP" != "802-3" -a "$DEVICE_LLP" != "raw-ip" ]; then echo "Device link layer protocol not retrieved: unexpected value reported: '$DEVICE_LLP'" 1>&2 return fi echo "Device link layer protocol retrieved: $DEVICE_LLP" # Read link layer protocol setup in the kernel EXPECTED_DATA_FORMAT_CMD="qmicli -d $DEVICE --get-expected-data-format" echo "Getting expected data format with '$EXPECTED_DATA_FORMAT_CMD'..." if [ -n "$QMIDEBUG" ]; then EXPECTED_LLP="raw-ip" else EXPECTED_DATA_FORMAT_OUT=`$EXPECTED_DATA_FORMAT_CMD` if [ $? -eq 0 ]; then EXPECTED_LLP=$EXPECTED_DATA_FORMAT_OUT echo "Expected link layer protocol retrieved: $EXPECTED_LLP" else echo "Expected link layer protocol not retrieved: kernel unsupported" 1>&2 EXPECTED_LLP="802-3" # The kernel doesn't support expected data format, so we change the # device data format instead RUN_WDA=1 fi fi if [ "$EXPECTED_LLP" != "802-3" -a "$EXPECTED_LLP" != "raw-ip" ]; then echo "Expected link layer protocol not retrieved: unexpected value reported: '$EXPECTED_LLP'" 1>&2 return fi if [ "$DEVICE_LLP" = "$EXPECTED_LLP" ]; then echo "Device and kernel link layer protocol match: $DEVICE_LLP" return fi if [ $RUN_WDA -eq 1 ]; then DEVICE_DATA_FORMAT_SET_CMD="qmicli -d $DEVICE --wda-set-data-format=$EXPECTED_LLP $PROXY_OPT" echo "Updating device link layer protocol with '$DEVICE_DATA_FORMAT_SET_CMD'..." if [ -n "$QMIDEBUG" ]; then DEVICE_DATA_FORMAT_SET_OUT="\ [/dev/cdc-wdm1] Successfully set data format QoS flow header: no Link layer protocol: '802-3' Uplink data aggregation protocol: 'disabled' Downlink data aggregation protocol: 'disabled' NDP signature: '0' Downlink data aggregation max datagrams: '0' Downlink data aggregation max size: '0'" else DEVICE_DATA_FORMAT_SET_OUT=`$DEVICE_DATA_FORMAT_SET_CMD` fi LLP=`echo "$DEVICE_DATA_FORMAT_SET_OUT" | sed -n "s/.*Link layer protocol:.*'\(.*\)'.*/\1/p"` if [ -z "$LLP" ]; then echo "Error updating Device link layer protocol" 1>&2 else echo "New device link layer protocol retrieved: $LLP" fi else EXPECTED_DATA_FORMAT_SET_CMD="qmicli -d $DEVICE --set-expected-data-format=$DEVICE_LLP" echo "Updating kernel link layer protocol with '$EXPECTED_DATA_FORMAT_SET_CMD'..." EXPECTED_DATA_FORMAT_SET_OUT=`$EXPECTED_DATA_FORMAT_SET_CMD` if [ $? -eq 0 ]; then echo "Kernel link layer protocol updated" else echo "Error updating kernel link layer protocol " 1>&2 fi fi } # qmicli -d /dev/cdc-wdm0 --wds-start-network --client-no-release-cid # [/dev/cdc-wdm0] Network started # Packet data handle: 3634026241 # [/dev/cdc-wdm0] Client ID not released: # Service: 'wds' # CID: '80' start_network () { if [ -n "$CID" ]; then USE_PREVIOUS_CID="--client-cid=$CID" fi if [ -n "$PDH" ]; then echo "error: cannot re-start network, PDH already exists" 1>&2 exit 3 fi echo 'Y' | sudo tee /sys/class/net/wwan0/qmi/raw_ip setup_data_format APN='free' if [ -n "$APN" ]; then START_NETWORK_ARGS="apn='$APN'" if [ -n "$APN_USER" ]; then START_NETWORK_ARGS="${START_NETWORK_ARGS},username='$APN_USER'" if [ -n "$APN_PASS" ]; then START_NETWORK_ARGS="${START_NETWORK_ARGS},password='$APN_PASS'" fi fi fi ip link set wwan0 up START_NETWORK_CMD="qmicli -d $DEVICE --device-open-net=net-raw-ip|net-no-qos-header --wds-start-network=$START_NETWORK_ARGS $USE_PREVIOUS_CID --client-no-release-cid $PROXY_OPT" echo "Starting network with '$START_NETWORK_CMD'..." if [ -n "$QMIDEBUG" ]; then START_NETWORK_OUT="\ [/dev/cdc-wdm0] Network started Packet data handle: '3634026241' [/dev/cdc-wdm0] Client ID not released: Service: 'wds' CID: '80'" else START_NETWORK_OUT=`$START_NETWORK_CMD` fi # Save the new CID if we didn't use any before if [ -z "$CID" ]; then CID=`echo "$START_NETWORK_OUT" | sed -n "s/.*CID.*'\(.*\)'.*/\1/p"` if [ -z "$CID" ]; then echo "error: network start failed, client not allocated" 1>&2 exit 1 else save_state "CID" $CID fi fi PDH=`echo "$START_NETWORK_OUT" | sed -n "s/.*handle.*'\(.*\)'.*/\1/p"` if [ -z "$PDH" ]; then echo "error: network start failed, no packet data handle" 1>&2 # Cleanup the client qmicli -d "$DEVICE" --wds-noop --client-cid="$CID" $PROXY_OPT clear_state exit 2 else save_state "PDH" $PDH fi udhcpc -i wwan0 echo "Network started successfully" } # qmicli -d /dev/cdc-wdm0 --wds-stop-network stop_network () { if [ -z "$CID" ]; then echo "Network already stopped" elif [ -z "$PDH" ]; then echo "Network already stopped; need to cleanup CID $CID" # Cleanup the client qmicli -d "$DEVICE" --wds-noop --client-cid="$CID" $PROXY_OPT else STOP_NETWORK_CMD="qmicli -d $DEVICE --wds-stop-network=$PDH --client-cid=$CID $PROXY_OPT" echo "Stopping network with '$STOP_NETWORK_CMD'..." if [ -n "$QMIDEBUG" ]; then STOP_NETWORK_OUT="\ [/dev/cdc-wdm0] Network stopped " else STOP_NETWORK_OUT=`$STOP_NETWORK_CMD` fi echo "Network stopped successfully" fi ip link set wwan0 down clear_state } # qmicli -d /dev/cdc-wdm0 --wds-get-packet-service-status packet_service_status () { if [ -n "$CID" ]; then USE_PREVIOUS_CID="--client-cid=$CID --client-no-release-cid" fi STATUS_CMD="qmicli -d $DEVICE --wds-get-packet-service-status $USE_PREVIOUS_CID $PROXY_OPT" echo "Getting status with '$STATUS_CMD'..." if [ -n "$QMIDEBUG" ]; then STATUS_OUT="\ [/dev/cdc-wdm0] Connection status: 'disconnected' " else STATUS_OUT=`$STATUS_CMD` fi CONN=`echo "$STATUS_OUT" | sed -n "s/.*Connection status:.*'\(.*\)'.*/\1/p"` if [ -z "$CONN" ]; then echo "error: couldn't get packet service status" 1>&2 exit 2 else echo "Status: $CONN" if [ "$CONN" != "connected" ]; then exit 64 fi fi } # Main # Load profile, if any load_profile # Load previous state, if any load_state # Process commands case $COMMAND in "start") start_network ;; "stop") stop_network ;; "status") packet_service_status ;; *) echo "error: unexpected command '$COMMAND'" 1>&2 print_usage exit 255 ;; esac exit 0