eciadsl-makeconfig.in

#!/bin/bash
# ************************************************************************
# *                                                                      *
# *   eciadsl-makeconfig - EciAdsl Linux driver configuration script     *
# *                        by FlashCode and Crevetor (c) 14/04/2002      *
# *                                                                      *
# *          For any support, contact one of us :                        *
# *           - FlashCode: flashcode@flashtux.org                        *
# *                        http://eciadsl.flashtux.org                   *
# *           - Crevetor : areversat@caramail.com                        *
# *                                                                      *
# *  Parameters for this script :                                        *
# *    1  = mode                                                         *
# *    2  = username + domain (username@domain)                          *
# *    3  = password (given by provider)                                 *
# *    4  = path to eciadsl-pppoeci (eg: /usr/local/bin/eciadsl-pppoeci) *
# *    5  = DNS 1 (depends on provider, 0 or "" = skipped)               *
# *    6  = DNS 2 (depends on provider, 0 or "" = skipped)               *
# *    7  = VPI (depends on provider)                                    *
# *    8  = VCI (depends on provider)                                    *
# *    9  = VID/PID before synchro (example: 05472131 for ECI modem)     *
# *    10 = VID/PID after synchro  (example: 09158000 for ECI modem)     *
# *    11 = path to a synch .bin                                         *
# *    12 = path to a firmware .bin                                      *
# *    13 = static IP                                                    *
# *    14 = gateway IP                                                   *
# *    15 = use static IP (yes/no)                                       *
# *    16 = use DHCP (yes/no)                                            *
# *    17 = modem                                                        *
# *    18 = provider                                                     *
# *    19 = GlobeSpan Chipset                                            *
# *    20 = USB alt Interface value for SYNCH process                    *
# *    21 = USB alt Interface value for PPPOECI process                  *
# *                                                                      *
# ************************************************************************
#  19/10/2004 kolja (gavaatbergamoblog.it)
#  added new configuration parameters for GS7470 chipset support.
#  (params 19-21)
#

function backup()
{
	if [ -f "$1" ]
	then
	    backupfile="$1.bak"
	    num=0
	    while [ -s "$backupfile" ]
	    do
	        num=`expr $num + 1`
	        backupfile="$1.bak$num"
	    done
        echo -n "backing up $1 to $backupfile.. "
        cp -f "$1" "$backupfile"
		test $? -ne 0 && exit 255
        echo "OK"
	fi
}

function set_synch()
{
	if [ -z "$1" ]
	then
		echo "ERROR: missing synch .bin file (use --synch /path/filename)"
		exit 1
	fi
	if [ "${1:0:1}" != "/" ]
	then
		echo "ERROR: illegal synch .bin path/name"
    	echo "you must use an absolute path name (for instance: /etc/eciadsl/synchXX.bin)"
    	exit 1
	fi
	if [ ! -s "$1" -o -L "$1" ]
	then
    	echo "ERROR: $1 is not a valid synch .bin (must be a regular file)"
    	exit 1
	fi
	if [ ! -f "$conffile" ]
	then
		echo "ERROR: couldn't find config file $conffile"
		exit 1
	fi
	backup "$conffile"
	tmpconffile="/tmp/eciadsl.conf.tmp"
	TMP=$(echo "$1" | sed "s/\//\\\\\//g")
	sed "s/^[ \t]*SYNCH[ \t]*=.*/SYNCH=$TMP/g" "$conffile" >> "$tmpconffile"
	if [ -s "$tmpconffile" ]
	then
		mv -f "$tmpconffile" "$conffile"
	else
		rm -f "$tmpconffile"
		echo "SYNCH=$2" >> "$conffile"
	fi
	echo "OK"
}

function update_entry()
{
	grep -E "^[ \t]*$1[ \t]*=.*" "$backupfile" > /dev/null
	if [ $? -eq 0 ]
	then
		echo "s/^[ \t]*$1[ \t]*=.*/$1=$2/g" >> "$tmpupdatefile"
	else
		echo "$1=$2" >> "$tmpaddfile"
	fi
}


# <CONFIG>
BIN_DIR="@bindir@"
ETC_DIR="@sysconfdir@"
CONF_DIR="@sysconfdir@/eciadsl"
PPPD_DIR="@sysconfdir@/ppp"
VERSION="@PACKAGE_VERSION@"
# </CONFIG>

TMPFILE="/tmp/${0##*/}.tmp"
conffile="$CONF_DIR/eciadsl.conf"
case "$1" in
"--version"|"-v")	echo "$VERSION"
					exit 0
					;;
"--synch")			set_synch "$2"
					exit 0
					;;
esac

#
# check parameters
#

if [ $UID -ne 0 ]
then
    echo -e "\nERROR: you must be root in order to run this script"
    exit 255
fi

if [ $# -ne 21 ]
then
    echo -e "\nERROR: invalid number of parameters"
    echo -e "syntax:\n  eciadsl-makeconfig <mode> <username> <password> </path/to/eciadsl-pppoeci> <dns1> <dns2> <vpi> <vci>  <vidpid1> <vidpid2> </path/to/synch.bin> </path/to/firmware.bin> <staticip> <gateway> <use_staticip> <use_dhcp> <modem> <provider> <modemchipset> <altsynch> <altpppoeci>"
    exit 1
fi

mode="$1"
username="$2"
password="$3"
pppoeci="$4"
dns1="$5"
dns2="$6"
vpi="$7"
vci="$8"
vid1=`echo $9 | cut -c 1-4`
pid1=`echo $9 | cut -c 5-8`
vid2=`echo ${10} | cut -c 1-4`
pid2=`echo ${10} | cut -c 5-8`
synch="${11}"
firmware="${12}"
staticip=${13}
gateway=${14}
use_staticip=${15}
use_dhcp=${16}
modem="${17}"
provider="${18}"
chipset="${19}"
altsynch="${20}"
altpppoeci="${21}"

test -z "$mode" && mode="$($pppoeci --modes 2>&1 | grep default |cut -d ' ' -f 1)"
test -z "$synch" && synch="$CONF_DIR/synch01.bin"
test -z "$firmware" && firmware="$CONF_DIR/firmware00.bin"
test -z "$modem" && modem="Other"
test -z "$provider" && provider="Other"
test -z "$use_staticip" && use_staticip="no"
test -z "$use_dhcp" && use_dhcp="no"
test -z "$chipset" && chipset="GS7070"

#
# check/create directories
#

test -d "$CONF_DIR" || mkdir -p "$CONF_DIR"
test -d "$PPPD_DIR" || mkdir -p "$PPPD_DIR"
test -d "$PPPD_DIR/peers" || mkdir "$PPPD_DIR/peers"


if [ ! -f "$pppoeci" -o ! -x "$pppoeci" ]
then
    echo "ERROR: $pppoeci is not a valid executable"
    exit 1
fi
if [ $vpi -ge 4096 ]; then
    echo -e "ERROR: VPI not in range [0-4095]"
    exit 1
fi
if [ $vci -ge 65536 ]; then
    echo -e "ERROR: VCI not in range [0-65535]"
    exit 1
fi

RET=0

#
# backup and create resolv.conf
#

resolvconf="$ETC_DIR/resolv.conf"
if [ -n "$dns1$dns2" -a "$dns1$dns2" != "00" ]
then
	backup "$resolvconf"

    echo -n "creating $resolvconf.."
	:> "$resolvconf"
	if [ "$dns1" != "0" -a -n "$dns1" ]
	then
	    echo "nameserver $dns1" >> "$resolvconf"
	fi
	if [ "$dns2" != "0" -a -n "$dns2" ]
	then
	    echo "nameserver $dns2" >> "$resolvconf"
	fi
    echo "OK"
fi

#
# create or backup/modify "chap-secrets" and "pap-secrets"
#

for auth in "chap" "pap"
do
    secretfile="$PPPD_DIR/$auth-secrets"
    if [ -s $secretfile ]
	then
		backup "$secretfile"

        echo -n "modifying $secretfile.. "
		TMP=$(echo "$username" | sed "s/\\\/\\\\\\\\\\\/g")
		grep -v -E "^[ \t]*\"?$TMP\"?[ \t]*.*\n?" $backupfile > "$secretfile"
    else
        echo -n "creating $secretfile.. "
        echo "# Secrets for authentication using $auth" > "$secretfile"
    fi
    echo -e "\"$username\"\t*\t\"$password\"\t*" >> "$secretfile"
    echo "OK"
done

#
# create or backup/modify "adsl" script
#

pppdconffile="$PPPD_DIR/peers/adsl"
tmppppdconffile="/tmp/adsl.tmp"
if [ -s $pppdconffile ]
then
	backup "$pppdconffile"

    echo -n "modifying $pppdconffile.. "
	TMP=$(echo "$pppoeci" | sed "s/\//\\\\\//g")
	echo "s/^pty .\+/pty \\\"$TMP -vpi $vpi -vci $vci -vendor 0x$vid2 -product 0x$pid2 -mode $mode\\\"/" > $TMPFILE
	TMP=$(echo "$username" | sed "s/\//\\\\\//g")
	echo "s/^user .\+/user \\\"$TMP\\\"/" >> $TMPFILE
	sed -f $TMPFILE "$backupfile" > "$tmppppdconffile"

	if [ -s "$tmppppdconffile" ]
	then
	    echo "OK"
		mv -f "$tmppppdconffile" "$pppdconffile"
	else
		rm -f "$tmppppdconffile"
		echo -e "\nERROR: failed to set up $pppdconffile"
		RET=1
	fi
else
    echo -n "creating $pppdconffile.. "
    cat << EOFADSL > "$pppdconffile"
# this file has been generated by the configuration tool of the ECIADSL driver

debug
kdebug 1
noipdefault
defaultroute
pty "$pppoeci -vpi $vpi -vci $vci -vendor 0x$vid2 -product 0x$pid2 -mode $mode"
sync
user "$username"

default-asyncmap
noaccomp
nopcomp
noccp
novj
holdoff 10

# This will store the pid of pppd in the first line of /var/run/ppp-eciadsl.pid
# and the interface created (like ppp0) on the second line.
linkname eciadsl

# maxfail is the number of times pppd retries to execute pppoeci after
# an error. If you put 0, pppd retries forever, filling up the process table
# and thus, making the computer unusable.
maxfail 10

usepeerdns
noauth

# If your PPP peer answer to LCP EchoReq (lcp-echo requests), you can
# use the lcp-echo-failure to detect disconnected links with:
#
# lcp-echo-interval 600
# lcp-echo-failure 10
#
# However, if your PPP peer DOES NOT answer to lcp-echo request, you MUST
# desactivate this feature with the following line
#
lcp-echo-interval 0

# You may need the following, but ONLY as a workaround
# mtu 1432

# disable ARP proxy
noproxyarp

persist
EOFADSL
    echo "OK"
fi

#
# create eciadsl.conf file
#

if [ -s "$conffile" ]
then

	backup "$conffile"

	echo -n "updating $conffile.."
	tmpconffile="/tmp/eciadsl.conf.tmp"
	tmpupdatefile="/tmp/eciadsl.conf.update"
	tmpaddfile="/tmp/eciadsl.conf.add"
	TMPFIRMWARE=$(echo "$firmware" | sed "s/\//\\\\\//g")
	TMPSYNCH=$(echo "$synch" | sed "s/\//\\\\\//g")
	TMPUSERNAME=$(echo "$username" | sed "s/\//\\\\\//g")
	TMPPASSWD=$(echo "$password" | sed "s/\//\\\\\//g")
	:> "$tmpupdatefile"
	:> "$tmpaddfile"
	update_entry "VID1" "$vid1"
	update_entry "PID1" "$pid1"
	update_entry "VID2" "$vid2"
	update_entry "PID2" "$pid2"
	update_entry "MODE" "$mode"
	update_entry "VPI" "$vpi"
	update_entry "VCI" "$vci"
	update_entry "FIRMWARE" "$TMPFIRMWARE"
	update_entry "SYNCH" "$TMPSYNCH"
	update_entry "PPPD_USER" "$TMPUSERNAME"
	update_entry "PPPD_PASSWD" "$TMPPASSWORD"
	update_entry "USE_DHCP" "$use_dhcp"
	update_entry "USE_STATICIP" "$use_staticip"
	update_entry "STATICIP" "$staticip"
	update_entry "GATEWAY" "$gateway"
	update_entry "MODEM" "$modem"
	update_entry "MODEM_CHIPSET" "$chipset"
	update_entry "SYNCH_ALTIFACE" "$altsynch"
	update_entry "PPPOECI_ALTIFACE" "$altpppoeci"	
	update_entry "PROVIDER" "$provider"
	update_entry "DNS1" "$dns1"
	update_entry "DNS2" "$dns2"
	test -s "$tmpupdatefile" && sed -f "$tmpupdatefile" "$backupfile" > "$tmpconffile" \
							|| cp -f "$backupfile" "$tmpconffile"
	test -s "$tmpaddfile" && cat "$tmpaddfile" >> "$tmpconffile"
	if [ -s "$tmpconffile" ]
	then
		mv -f "$tmpconffile" "$conffile"
		echo "OK"
	else
		rm -f "$tmpconffile"
		echo -e "\nERROR: failed to set up $conffile"
		RET=1
	fi
	rm -f "$tmpaddfile"
	rm -f "$tmpupdatefile"
else
	echo -n "creating $conffile.."
	cat << EOFCONF > "$conffile"
VID1=$vid1
PID1=$pid1
VID2=$vid2
PID2=$pid2
MODE=$mode
VCI=$vci
VPI=$vpi
FIRMWARE=$firmware
SYNCH=$synch
PPPD_USER=$username
PPPD_PASSWD=$password
USE_DHCP=$use_dhcp
USE_STATICIP=$use_staticip
STATICIP=$staticip
GATEWAY=$gateway
MODEM=$modem
MODEM_CHIPSET=$chipset
SYNCH_ALTIFACE=$altsynch
PPPOECI_ALTIFACE=$altpppoeci
PROVIDER=$provider
DNS1=$dns1
DNS2=$dns2
EOFCONF
	echo "OK"
fi

rm -f "$TMPFILE" > /dev/null 2>&1
exit $RET