#!/bin/bash
# Name: setvars
# Goal: initialize global variables (used by all scripts)
# Author: Tux
# Version: 1.9.5
# Params: -

# === Environment path ===
PATH="/sbin:/usr/sbin:/usr/local/sbin:/bin:/usr/bin:/usr/local/bin:/usr/sbin"
export PATH

# === Paths(1) ===
EU_DIR=/etc/eagle-usb
EU_SCRIPT_DIR=/etc/eagle-usb/scripts
EU_LANG_DIR=/etc/eagle-usb/lang

# === Distrib capability ===
USE_HOTPLUG=1
USE_UPD_USB_USERMAP=1
USE_IFUPDOWN=1

# === Distrib detection ===
DISTRIB=Mandrake
DISTVER=10
SIMPLE=0

# === Paths(2) ===
SBIN_DIR=/usr/sbin
INIT_DIR=/etc/init.d
PPP_DIR=/etc/ppp
PPP_OPTIONS_DIR=/etc/ppp/peers
PPP_OPTIONS_ADSL=$PPP_OPTIONS_DIR/adsl
PPP_OPTIONS_MIRE=$PPP_OPTIONS_DIR/mire
HOTPLUG_SCRIPT_DIR=/etc/hotplug/usb
HOTPLUG_USERMAP_DIR=/usr/lib/hotplug
HOTPLUG_USERMAP_FILE=/etc/hotplug/usb.usermap
NET_SCRIPT_DIR=/etc/sysconfig/network-scripts

# === Commands ===
STARTADSL=startadsl
STARTMIRE=startmire
STOPADSL=stopadsl
EAGLECTRL=eaglectrl
EAGLESTAT=eaglestat

# === Strings used to determine modem state ===
SEND_DSP="Please send DSP (eaglectrl -d)"
MODULE="eagle-usb"
OPER_STR="Modem is operational"
BOOTING_STR="Modem is booting"

# === Encapsulation => pppoa/pppoe/none ===
encapsToPppox() {
	if [ "$1" = "00000001" ] || [ "$1" = "00000002" ] ; then
		pppoe -h 1>/dev/null 2>/dev/null
		if [ $? != 0 ] ; then
			echo -e "\nError: pppoe cannot be launch. Exiting...\n"
			exit 1
		fi
		PPPOX="pppoe"
	elif [ "$1" = "00000003" ] || [ "$1" = "00000004" ] ; then
		PPPOX="none"
	elif [ "$1" = "00000005" ] || [ "$1" = "00000006" ] ; then
		PPPOX="pppoa"
	fi
}

# === Load config from eagle-usb.conf ===
# Language
if [ -e $EU_DIR/eagle-usb.conf ] && grep -q "LANG=" $EU_DIR/eagle-usb.conf ; then
	EU_LANG="`grep 'LANG=' $EU_DIR/eagle-usb.conf | cut -d '=' -f2`"
else
	# if --with-lang was not specified in ./configure, EU_LANG="auto"
	EU_LANG="auto"
fi
if [ "$EU_LANG" = "auto" ] ; then
  if [ "$LANG" = "C" -o -z "$LANG" ] ; then
    LANG=en
  fi
	EU_LANG=${LANG:0:2}
fi
# fr is usually the most up-to-date language
# => it is better to display some french sentences than nothing!
. $EU_LANG_DIR/fr
# now read the real language-file
if [ -e $EU_LANG_DIR/$EU_LANG ] ; then
	. $EU_LANG_DIR/$EU_LANG
else
	. $EU_LANG_DIR/en
fi

# PPPOX = pppoe/pppoa/none
if [ -e $EU_DIR/eagle-usb.conf ] ; then
	ENCAPS="`grep 'Encapsulation=' $EU_DIR/eagle-usb.conf | cut -d '=' -f2`"
	encapsToPppox $ENCAPS
else
	PPPOX="pppoa"
fi

# Static IP
if [ -e $EU_DIR/eagle-usb.conf ] && grep -q "STATIC_IP=" $EU_DIR/eagle-usb.conf ; then
	STATIC_IP="`grep 'STATIC_IP=' $EU_DIR/eagle-usb.conf | cut -d '=' -f2`"
else
	STATIC_IP="none"
fi

# Asynchronous start
if [ -e $EU_DIR/eagle-usb.conf ] && grep -q "ASYNCHRONOUS_START=" $EU_DIR/eagle-usb.conf ; then
	ASYNCHRONOUS_START="`grep 'ASYNCHRONOUS_START=' $EU_DIR/eagle-usb.conf | cut -d '=' -f2`"
else
	ASYNCHRONOUS_START=1
fi

# ISP
if [ -e $EU_DIR/eagle-usb.conf ] && grep -q "ISP=" $EU_DIR/eagle-usb.conf ; then
	ISP="`grep 'ISP=' $EU_DIR/eagle-usb.conf | cut -d '=' -f2`"
else
	ISP="?"
fi

# start on boot?
START_ON_BOOT=0
if [ -e /etc/rc5.d/S*internet ] || [ -e /etc/rc5.d/S*eagle-usb ] || [ -e /etc/init.d/rc5.d/S*eagle-usb ] ; then
	START_ON_BOOT=1
fi

# testconnec enabled?
USE_TESTCONNEC=0
if [ -e /etc/cron.d/eagle-usb ] ; then
	USE_TESTCONNEC=1
fi

# === Generic confirm function ===
confirm() {
	echo -en $1
	if [ $2 == 1 ] ; then
		echo -en " $YES_DEFAULT_MSG"
	else
		echo -en " $NO_DEFAULT_MSG"
	fi
	read REP
	if [ -z "$REP" ] ; then return `expr 1 - $2` ; fi
	if echo "$REP" | grep -qiE "o|y|t|s" ; then return 0 ; fi
	if [ "$REP" = "n" ] ; then return 1 ; fi
	return `expr 1 - $2`
}

# === Generic ping -w function ===
ping_test() {
	touch /tmp/setvars_ping
	ping -n -q -c 1 -i 1 $1 1>/dev/null 2>/dev/null
	if [ $? == 0 ] ; then
		rm -f /tmp/setvars_ping
	fi
}
kill_ping() {
	pid_ping=$1
	sleep $2
	kill $pid_ping 2>/dev/null
}
ping_w() {
	ping_test $1 &
	PID_PING=$!
	kill_ping $PID_PING $2 &
	wait ${PID_PING} 2>/dev/null
	if [ -e /tmp/setvars_ping ] ; then
		rm -f /tmp/setvars_ping
		return 1
	fi
	return 0
}

# === Debug mode ===
echo_log() {
	if [ "x$DEBUG" = "x2" ] || [ "x$2" = "x2" ] ; then
		echo $1
	elif [ "x$DEBUG" = "x1" ] || [ "x$2" = "x1" ] ; then
		logger $1
	fi
}

# === ISP TO NO ===
isp_to_no() {
	if [ $1 == "BE" ] ; then		NOISP=1
	elif [ $1 == "DE" ] ; then		NOISP=2
	elif [ $1 == "ESTE" ] ; then		NOISP=3
	elif [ $1 == "ESTEIPF" ] ; then		NOISP=4
	elif [ $1 == "ESRE" ] ; then		NOISP=5
	elif [ $1 == "ESTIC" ] ; then		NOISP=6
	elif [ $1 == "FI" ] ; then		NOISP=7
	elif [ $1 == "FRFTA" ] ; then		NOISP=8
	elif [ $1 == "FRFTE" ] ; then		NOISP=9
	elif [ $1 == "FRTIS128" ] ; then	NOISP=10
	elif [ $1 == "FRFREEDEG" ] ; then	NOISP=11
	elif [ $1 == "FR9" ] ; then		NOISP=12
	elif [ $1 == "HU" ] ; then		NOISP=13
	elif [ $1 == "IT" ] ; then		NOISP=14
	elif [ $1 == "ITMC" ] ; then		NOISP=15
	elif [ $1 == "NE" ] ; then		NOISP=16
	elif [ $1 == "PL" ] ; then		NOISP=17
	elif [ $1 == "PO" ] ; then		NOISP=18
	elif [ $1 == "SW" ] ; then		NOISP=19
	elif [ $1 == "UK" ] ; then		NOISP=20
	else NOISP=0
	fi
}

# delay for pppd to stop properly. After that, killall -9 is invoqued.
DELAY_KILL_PPPD=3

# used later to extract params
i=1
PARAMS=""