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|
#!/bin/sh
PATH=/sbin:/usr/sbin:/bin:/usr/bin
# ifup-post for PPP is handled through /etc/ppp/ip-up
if [ "$1" != daemon ] ; then
# disconnect stdin, out, err to disassociate from controlling tty
# so that no HUPs will get through.
$0 daemon $*& </dev/null >/dev/null 2>/dev/null
exit 0
fi
shift
CONFIG=$1
. network-functions
source_config
if [ -z "$DISCONNECTTIMEOUT" ]; then
DISCONNECTTIMEOUT=2
fi
if [ -z "$RETRYTIMEOUT" ]; then
RETRYTIMEOUT=30
fi
if [ "$2" = "boot" -a "${ONBOOT}" = "no" ]; then
exit
fi
[ -x /usr/sbin/pppd ] || {
echo "/usr/sbin/pppd does not exist or is not executable"
echo "ifup-ppp for $DEVICE exiting"
logger -p daemon.info -t ifup-ppp \
"/usr/sbin/pppd does not exist or is not executable for $DEVICE"
exit 1
}
[ -f /etc/sysconfig/network-scripts/chat-$DEVICE ] || {
echo "/etc/sysconfig/network-scripts/chat-$DEVICE does not exist"
echo "ifup-ppp for $DEVICE exiting"
logger -p daemon.info -t ifup-ppp \
"/etc/sysconfig/network-scripts/chat-$DEVICE does not exist for $DEVICE"
exit 1
}
opts="lock"
if [ "${HARDFLOWCTL}" = yes ] ; then
opts="$opts modem crtscts"
fi
if [ "${ESCAPECHARS}" = yes ] ; then
opts="$opts asyncmap 00000000"
fi
if [ "${DEFROUTE}" = yes ] ; then
opts="$opts defaultroute"
fi
if [ -n "${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 name ${PAPNAME}"
fi
if [ "${DEBUG}" = yes ] ; then
opts="$opts debug"
chatdbg="-v"
fi
CHATSCRIPT=/etc/sysconfig/network-scripts/chat-$DEVNAME
[ -f $CHATSCRIPT ] || {
CHATSCRIPT=/etc/sysconfig/network-scripts/chat-$PARENTDEVNAME
}
while : ; do
(logger -p daemon.info -t ifup-ppp \
"pppd started for $DEVICE on $MODEMPORT at $LINESPEED" &)&
> /var/run/ppp-$DEVICE.dev
/usr/sbin/pppd -detach $opts $MODEMPORT $LINESPEED \
remotename $DEVICE ipparam $DEVICE \
${PPPOPTIONS} \
connect "/usr/sbin/chat $chatdbg -f $CHATSCRIPT"
# exit if we're not supposed to persist or our lock file has disappeared
if [ "$PERSIST" != "yes" -o ! -f /var/run/ppp-$DEVICE.dev ]; then
rm -f /var/run/ppp-$DEVICE.dev
exit 0
fi
size=`wc -c < /var/run/ppp-$DEVICE.dev`
if [ $size = 0 ]; then
# pppd never connected
timeout=$RETRYTIMEOUT
else
# pppd connected and then disconnected
timeout=$DISCONNECTTIMEOUT
fi
[ -z "$timeout" ] && {
timeout=30
}
sleep $timeout || {
# sleep was killed
rm -f /var/run/ppp-$DEVICE.dev
exit 0
}
# exit if our lock file disappeared while we slept
if [ ! -f /var/run/ppp-$DEVICE.dev ]; then
exit 0
fi
done
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