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Daemon

#!/bin/sh

PID="/var/run/my-script.pid"
DAEMON="/root/my-script.sh"

case "$1" in
start)
    start-stop-daemon -S -b -m -p $PID -a $DAEMON
    [ $? = 0 ] && echo "OK" || echo "FAIL"
    ;;
stop)
    start-stop-daemon -K -p $PID
    [ $? = 0 ] && echo "OK" || echo "FAIL"
    ;;
restart | reload)
    "$0" stop
    "$0" start
    ;;
*)
    echo "Usage: $0 {start|stop|restart}"
    exit 1
    ;;
esac
exit $?

S11firstboot

#!/bin/sh

LOGGER_TAG=firstboot
FLAG=/mnt/data/.firstboot

test -f $FLAG && exit

case "$1" in
start)
    # perform setup steps, extend data partition, etc.
    touch $FLAG && sync
    ;;
*)
    echo "Usage: $0 {start}"
    exit 1
    ;;
esac

exit $?

S20qmi

#!/bin/sh

NAME=modem
CONFIG=/etc/qmi-network.conf

if [ ! -f $CONFIG ]; then
    logger -t $NAME -s "$CONFIG is not found"
    exit 1
fi

. $CONFIG || logger -t $NAME -s "Failed to load $CONFIG"

if [ -z "$PIN" ]; then
    logger -t $NAME -s "PIN is not defined in $CONFIG"
    exit 1
fi

verify_pin() {
    logger -s -t $NAME "Verifying PIN code (--dms-uim-verify-pin)..."
    set -o pipefail
    qmicli -d /dev/cdc-wdm0 --dms-uim-verify-pin=PIN,${PIN} 2>&1 | logger -t $NAME
    if [ $? != 0 ]; then
        logger -s -t $NAME "Pin verification: FAIL, retry (--uim-verify-pin)..."
    fi
    qmicli -d /dev/cdc-wdm0 --uim-verify-pin=PIN1,${PIN} 2>&1 | logger -t $NAME
    if [ $? != 0 ]; then
        logger -s -t $NAME "Pin verification: FAIL, exiting..."
        exit 1
    fi
}

signal_strength() {
    qmicli -d /dev/cdc-wdm0 --nas-get-signal-strength 2>&1 | logger -t $NAME
}

set_raw_ip() {
    qmicli -d /dev/cdc-wdm0 --device-open-sync --wda-set-data-format=raw-ip 2>&1 |
        logger -t $NAME
}

case "$1" in
start)
    for _ in $(seq 1 5); do
        test -c /dev/cdc-wdm0 && break
        sleep 1
        logger -t $NAME -s "Waiting for modem device..."
    done

    if [ -f /dev/cdc-wdm0 ]; then
        logger -s -t $NAME "Modem device is not found"
        exit 1
    fi

    verify_pin
    signal_strength
    set_raw_ip
    ;;
stop) ;;

restart | reload)
    "$0" stop
    qmicli -d /dev/cdc-wdm0 --uim-sim-power-off=1 | logger -t $NAME
    qmicli -d /dev/cdc-wdm0 --uim-sim-power-on=1 | logger -t $NAME
    sleep 1
    "$0" start
    ;;
*)
    echo "Usage: $0 {start|stop|restart}"
    exit 1
    ;;
esac

exit $?

S41wpa

#!/bin/sh

DAEMON_VERBOSITY="--quiet"

WPA_IFACE="wlan0"
WPA_SUP_PNAME="wpa_supplicant"
WPA_SUP_BIN="/usr/sbin/wpa_supplicant"
WPA_SUP_PIDFILE="/var/run/wpa_supplicant.${WPA_IFACE}.pid"
WPA_SUP_OPTIONS="-s -B -P $WPA_SUP_PIDFILE -i $WPA_IFACE -D nl80211,wext"
WPA_SUP_CONF="-c /etc/wpa_supplicant.conf"

WPA_CLI_PNAME="wpa_cli"
WPA_CLI_BIN="/usr/sbin/wpa_cli"
WPA_CLI_PIDFILE="/var/run/wpa_action.${WPA_IFACE}.pid"
WPA_CLI_OPTIONS="-B -P $WPA_CLI_PIDFILE -i $WPA_IFACE"
WPA_ACTION_SCRIPT="/etc/network/wpa_action"

start() {
    start-stop-daemon --start --oknodo $DAEMON_VERBOSITY \
        --name $WPA_SUP_PNAME --startas $WPA_SUP_BIN --pidfile $WPA_SUP_PIDFILE \
        -- $WPA_SUP_OPTIONS $WPA_SUP_CONF
    if [ "$?" -ne 0 ]; then
        logger -s -t $WPA_SUP_PNAME "Couldn't start WPA supplicant"
        return 1
    fi
    start-stop-daemon --start --oknodo $DAEMON_VERBOSITY \
        --name $WPA_CLI_PNAME --startas $WPA_CLI_BIN --pidfile $WPA_CLI_PIDFILE \
        -- $WPA_CLI_OPTIONS -a $WPA_ACTION_SCRIPT
    if [ "$?" -ne 0 ]; then
        logger -s -t $WPA_CLI_PNAME "Couldn't start WPA cli"
        return 1
    fi
}
stop() {
    start-stop-daemon --stop --oknodo $DAEMON_VERBOSITY \
        --exec $WPA_SUP_BIN --pidfile $WPA_SUP_PIDFILE
    if [ -f "$WPA_SUP_PIDFILE" ]; then
        rm -f "$WPA_SUP_PIDFILE"
    fi
    start-stop-daemon --stop --oknodo $DAEMON_VERBOSITY \
        --exec $WPA_CLI_BIN --pidfile $WPA_CLI_PIDFILE
    if [ -f "$WPA_CLI_PIDFILE" ]; then
        rm -f "$WPA_CLI_PIDFILE"
    fi
}
reload() {
    start-stop-daemon --stop --signal HUP \
        --name "$WPA_SUP_PNAME" --pidfile "$WPA_SUP_PIDFILE"
}

case "$1" in
start)
    start
    ;;
stop)
    stop
    ;;
reload)
    reload
    ;;
*)
    echo "Usage: $0 {start|stop|reload}"
    exit 1
    ;;
esac

exit $?

fbv-animation

#!/bin/sh

DELAY=1.5
SPLASH=/usr/local/splash/
LOGGER_TAG="animate"

log "Start animation: $1"

# set 720p framebuffer
fbset -s | grep -q 'geometry 1280 720' && return
fbset -g 1280 720 1280 720 32

while true; do
    # display single splash
    if [[ -f ${SPLASH}${1}.jpg ]]; then
        sleep $DELAY | fbv -d 0 ${SPLASH}${1}.jpg
    else
        # display animation
        sleep $DELAY | fbv -f -d 0 ${SPLASH}${1}-1.jpg
        sleep $DELAY | fbv -f -d 0 ${SPLASH}${1}-2.jpg
        sleep $DELAY | fbv -f -d 0 ${SPLASH}${1}-3.jpg
    fi
done

#linux #terminal