ppp/ifup-ppp

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Executable File

#! /bin/bash
. /etc/init.d/functions
cd /etc/sysconfig/network-scripts
. ./network-functions
# ifup-post for PPP is handled through /etc/ppp/ip-up
if [ "${1}" = daemon ] ; then
# we've been called from ppp-watch, so don't invoke it for persistence
shift
else
# just in case a full path to the configuration file is passed in
CONFIG=${1##*/} # CONFIG=$(basename $1)
[ -f "${CONFIG}" ] || CONFIG=ifcfg-${1}
source_config
# don't start ppp-watch by xDSL
if [ "${DEMAND}" != yes -a "$TYPE" != "xDSL" ] ; then
# let ppp-watch do the right thing
exec /sbin/ppp-watch "${CONFIG##ifcfg-}" "$2"
fi
fi
CONFIG=$1
[ -f "${CONFIG}" ] || CONFIG=ifcfg-${1}
source_config
if [ -z "${DISCONNECTTIMEOUT}" ]; then
DISCONNECTTIMEOUT=2
fi
if [ -z "${RETRYTIMEOUT}" ]; then
RETRYTIMEOUT=30
fi
if [ -z "${IDLETIMEOUT}" ]; then
IDLETIMEOUT=600
fi
if [ "${2}" = "boot" -a "${ONBOOT}" = "no" ]; then
exit
fi
[ -x /usr/sbin/pppd ] || {
echo $"pppd does not exist or is not executable"
echo $"ifup-ppp for ${DEVICE} exiting"
/usr/bin/logger -p daemon.info -t ifup-ppp \
$"pppd does not exist or is not executable for ${DEVICE}"
exit 1
}
# check that xDSL connection
if [ "$TYPE" = "xDSL" ] ; then
if [ -x /usr/sbin/adsl-start ] ; then
adsl-start /etc/sysconfig/network-scripts/$CONFIG
exit $?
else
/usr/bin/logger -p daemon.info -t ifup-ppp \
$"adsl-start does not exist or is not executable for ${DEVICE}"
exit 1
fi
fi
PEERCONF=/etc/ppp/peers/${DEVNAME}
if [ "${DEBUG}" = "yes" ]; then
CHATDBG="-v"
fi
if [ ! -f ${PEERCONF} ]; then
if [ -z "${WVDIALSECT}" ] ; then
CHATSCRIPT=/etc/sysconfig/network-scripts/chat-${DEVNAME}
[ -f ${CHATSCRIPT} ] || {
echo $"/etc/sysconfig/network-scripts/chat-${DEVNAME} does not exist"
echo $"ifup-ppp for ${DEVNAME} exiting"
/usr/bin/logger -p daemon.info -t ifup-ppp \
$"/etc/sysconfig/network-scripts/chat-${DEVNAME} does not exist for ${DEVICE}"
exit 1
}
fi
/usr/bin/logger -s -p daemon.notice -t ifup-ppp \
$"Setting up a new ${PEERCONF} config file"
if [ -f /etc/ppp/peers/${DEVICE} ]; then
cp -f /etc/ppp/peers/${DEVICE} ${PEERCONF}
else
touch ${PEERCONF}
fi
if [ "${WVDIALSECT}" ]; then
echo "connect \"/usr/bin/wvdial --remotename ${DEVNAME} --chat '${WVDIALSECT}'\"" >> ${PEERCONF}
else
echo "connect \"/usr/sbin/chat ${CHATDBG} -f ${CHATSCRIPT}\"" >> ${PEERCONF}
fi
fi
opts="lock"
if [ "${HARDFLOWCTL}" != no ] ; then
opts="$opts modem crtscts"
fi
if [ "${ESCAPECHARS}" != yes ] ; then
opts="$opts asyncmap 00000000"
fi
if [ "${DEFROUTE}" != no ] ; then
# pppd will no longer delete an existing default route
# so we have to help it out a little here.
DEFRT=$(ip route list match 0.0.0.0/0)
[ -n "${DEFRT}" ] && echo "$DEFRT" > /etc/default-routes
echo "$DEFRT" | while read spec; do
ip route del $spec;
done
opts="$opts defaultroute"
fi
if [ "${PEERDNS}" != no ] ; then
cp -f /etc/resolv.conf /etc/resolv.conf.save
opts="$opts usepeerdns"
fi
if [ -n "${MRU}" ] ; then
opts="$opts mru ${MRU}"
fi
if [ -n "${MTU}" ] ; then
opts="$opts mtu ${MTU}"
fi
if [ -n "${IPADDR}${REMIP}" ] ; then
# if either IP address is set, the following will work.
opts="$opts ${IPADDR}:${REMIP}"
fi
if [ -n "${PAPNAME}" ] ; then
opts="$opts user ${PAPNAME} remotename ${DEVNAME}"
fi
if [ "${DEBUG}" = yes ] ; then
opts="$opts debug"
fi
if [ ${DEMAND} = yes ] ; then
opts="$opts demand ktune idle ${IDLETIMEOUT} holdoff ${RETRYTIMEOUT}"
exec=
else
opts="$opts nodetach"
exec=exec
fi
/usr/bin/logger -p daemon.info -t ifup-ppp \
$"pppd started for ${DEVNAME} on ${MODEMPORT} at ${LINESPEED}"
$exec pppd $opts ${MODEMPORT} ${LINESPEED} \
ipparam ${DEVNAME} linkname ${DEVNAME} call ${DEVNAME}\
noauth \
${PPPOPTIONS} || exit
if [ "${DEMAND}" = "yes" ] ; then
# pppd is a tad slow to write the pid-file.
sleep 2
if [ -f /var/run/ppp-${DEVNAME}.pid ] ; then
REALDEVICE=$(tail -1 /var/run/ppp-${DEVNAME}.pid)
/etc/sysconfig/network-scripts/ifup-routes ${REALDEVICE} ${DEVNAME}
fi
fi