adsl-setup

linux 机顶盒终端内部的网络接入模块

#!/bin/sh
prefix=/usr
exec_prefix=${prefix}

#fjj:05-8-10
cp -a /etc/ppp /tmp


IFCONFIG=/sbin/ifconfig
PPPD=/usr/sbin/pppd
PPPOE=${exec_prefix}/sbin/pppoe
ECHO=/bin/echo

LANG=C
export LANG

#fjj:05-8-10 CONFIG=/etc/ppp/pppoe.conf
CONFIG=/tmp/ppp/pppoe.conf


# Protect created files
umask 077

copy() {
    cp $1 $2
    if [ "$?" != 0 ] ; then
	$ECHO "*** Error copying $1 to $2"
	$ECHO "*** Quitting."
	exit 1
    fi
}


# Must be root
if [ "`/usr/bin/id -u`" != 0 ] ; then
    $ECHO "$0: Sorry, you must be root to run this script"
    exit 1
fi

# Prototype config file must exist
if [ ! -r "$CONFIG" ] ; then
    $ECHO "Oh, dear, I don't see the file '$CONFIG' anywhere.  Please"
    $ECHO "re-install the PPPoE client."
    exit 1
fi

if [ ! -x $PPPD ] ; then
    $ECHO "Oops, I can't execute the program '$PPPD'.  You"
    $ECHO "must install the PPP software suite, version 2.3.10 or later."
    exit 1
fi

. $CONFIG

if [ "$DEMAND" = "" ] ; then
    DEMAND=no
fi

# pppoe must exist
if [ ! -x "$PPPOE" ] ; then
    $ECHO "Oh, dear, I can't execute the program '$PPPOE'.  Please"
    $ECHO "re-install the rp-pppoe client."
    exit 1
fi


    U="$2"
    E="$1"
    D=$DEMAND

    PWD1="$3"
    FIREWALL=NONE



copy $CONFIG $CONFIG-bak
if [ "$DNS1" = "server" ] ; then
    DNSTYPE=SERVER
    DNS1=""
    PEERDNS=yes
else
    PEERDNS=no
    if [ "$DNS1" = "" ] ; then
	DNSTYPE=NOCHANGE
    else
	DNSTYPE=SPECIFY
    fi
fi

# Where is pppd likely to put its pid?
if [ -d /var/run ] ; then
    VARRUN=/var/run
else
    VARRUN=/tmp/ppp
fi

# Some #$(*& ISP's use a slash in the user name...
sed -e "s&^USER=.*&USER='$U'&" \
    -e "s&^ETH=.*&ETH='$E'&" \
    -e "s&^PIDFILE=.*&PIDFILE=\"$VARRUN/\$CF_BASE-adsl.pid\"&" \
    -e "s/^FIREWALL=.*/FIREWALL=$FIREWALL/" \
    -e "s/^DEMAND=.*/DEMAND=$D/" \
    -e "s/^DNSTYPE=.*/DNSTYPE=$DNSTYPE/" \
    -e "s/^DNS1=.*/DNS1=$DNS1/" \
    -e "s/^DNS2=.*/DNS2=$DNS2/" \
    -e "s/^PEERDNS=.*/PEERDNS=$PEERDNS/" \
    < $CONFIG-bak > $CONFIG

if [ $? != 0 ] ; then
    $ECHO "** Error modifying $CONFIG"
    $ECHO "** Quitting"
    exit 1
fi

if [ "$DNS1" != "" ] ; then
    if [ "$DNS1" != "server" ] ; then
	$ECHO "Adjusting /etc/resolv.conf"
	if [ -r /etc/resolv.conf ] ; then
	    grep -s "MADE-BY-RP-PPPOE" /etc/resolv.conf > /dev/null 2>&1
	    if [ "$?" != 0 ] ; then
		$ECHO "  (But first backing it up to /etc/resolv.conf-bak)"
		copy /etc/resolv.conf /etc/resolv.conf-bak
	    fi
	fi
	$ECHO "# MADE-BY-RP-PPPOE" > /etc/resolv.conf
	$ECHO "nameserver $DNS1" >> /etc/resolv.conf
	if [ "$DNS2" != "" ] ; then
	    $ECHO "nameserver $DNS2" >> /etc/resolv.conf
	fi
    fi
fi


#fjj:05-8-10

if [ -r /tmp/ppp/pap-secrets ] ; then
    $ECHO "  (But first backing it up to /tmp/ppp/pap-secrets-bak)"
    copy /tmp/ppp/pap-secrets /tmp/ppp/pap-secrets-bak
else
    cp /dev/null /tmp/ppp/pap-secrets-bak
fi

if [ -r /tmp/ppp/chap-secrets ] ; then
    $ECHO "  (But first backing it up to /tmp/ppp/chap-secrets-bak)"
    copy /tmp/ppp/chap-secrets /tmp/ppp/chap-secrets-bak
else
    cp /dev/null /tmp/ppp/chap-secrets-bak
fi

egrep -v "^$U|^\"$U\"" /tmp/ppp/pap-secrets-bak > /tmp/ppp/pap-secrets
$ECHO "\"$U\"	*	\"$PWD1\"" >> /tmp/ppp/pap-secrets
egrep -v "^$U|^\"$U\"" /tmp/ppp/chap-secrets-bak > /tmp/ppp/chap-secrets
$ECHO "\"$U\"	*	\"$PWD1\"" >> /tmp/ppp/chap-secrets
/usr/sbin/adsl-start
#fjj:05-7-14
wait
exit 0