- add support for running inside vservers, the diff may seem huge but it's

[projects/rc-scripts.git] / sysconfig / network-scripts / ifup-sl

#!/bin/sh
#
#	$Id$
#
PATH=/sbin:/usr/sbin:/bin:/usr/bin

# ifup-post can't be done for slip :-( Solution: use PPP

. /etc/sysconfig/network
. /etc/rc.d/init.d/functions
. /etc/sysconfig/network-scripts/functions.network

# become a daemon in case we have to persist.
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
source_config

if [ "foo$2" = "fooboot" ] && is_no ${ONBOOT}; then
    exit
fi

# set all major variables
setup_ip_param

if [ -z "$RETRYTIMEOUT" ]; then
    RETRYTIMEOUT=30
fi

# Try to load slip module
if is_module "slip"; then
    /sbin/modprobe -s -k slip
fi

# we can use dip or direct slip connection via slattach
if is_no "$DIRECT_CONNECT"; then

    [ -x /usr/sbin/dip ] || {
	nls "%s does not exist or is not executable" "/usr/sbin/dip"
	nls "%s for %s exiting" "ifup-sl" "$DEVICE"
	logger -p daemon.info -t ifup-sl \
	    "$(nls '%s does not exist or is not executable for %s' "/usr/sbin/dip" "$DEVICE")"
	exit 1
    }

    DIPSCRIPT=/etc/sysconfig/interfaces/data/dip-$DEVNAME
    [ -f $DIPSCRIPT ] || {
      DIPSCRIPT=/etc/sysconfig/interfaces/data/dip-$PARENTDEVNAME
    }
    [ -f $DIPSCRIPT ] || {
	nls '%s does not exist' "/etc/sysconfig/interfaces/data/dip-$DEVICE"
	nls 'ifup-sl - %s exiting' "$DEVICE"
	logger -p daemon.info -t ifup-sl \
	    "$(nls '%s does not exist for %s' "/etc/sysconfig/interfaces/data/dip-$DEVICE" "$DEVICE")"
	exit 1
    }

    while : ; do
	echo > /var/run/sl-$DEVICE.dev
	(logger -p daemon.info -t ifup-sl \
	    "$(nls 'dip started for %s on %s at %s' "$DEVICE" "$MODEMPORT" "$LINESPEED")" &)&
	doexec /usr/sbin/dip dip-$DEVICE $DIPSCRIPT
	if is_no "$PERSIST" || [ ! -f /var/run/sl-$DEVICE.dev ] ; then
	    exit 0
	fi
	rm -f /var/run/sl-$DEVICE.dev

	sleep $RETRYTIMEOUT || {
	    # sleep was killed
	    exit 0
	}
    done

else

    # direct connection via slattach
    [ -z "$MTU" ] && MTU=1500
    [ -z "$PROTOCOL" ] && PROTOCOL=slip

    [ -x /sbin/slattach ] || {
	nls "%s is missing. Can't continue." "/sbin/slattach"
	nls "ifup-sl - %s exiting" "$DEVICE"
	logger -p daemon.info -t ifup-sl \
	    "$(nls '%s does not exist or is not executable for %s' "/sbin/slattach" "$DEVICE")"
	exit 1
    }

    echo > /var/run/sl-$DEVICE.dev
    (logger -p daemon.info -t ifup-sl \
    "$(nls 'slattach started for %s on %s at %s' "$DEVICE" "$MODEMPORT" "$LINESPEED")" &)&

     slattach -p $PROTOCOL -s $LINESPEED $MODEMPORT &
     usleep 1500
     
     if is_yes "$IPV4_NETWORKING"; then
	if [ -n "$IP4ADDR" -a -n "$REMIP" ]; then
	    # Peer is only for IPv4
	    ip -4 addr add $IP4ADDR peer $REMIP dev $DEVICE
	fi
     fi

     if is_yes "$IPV6_NETWORKING"; then
	 if [ -n "$IP6ADDR" ]; then
	     ip -6 addr add $IP6ADDR dev $DEVICE
	 fi
     fi
     
     ip link set $DEVICE mtu $MTU up

     # IPv4/6 gateways and default routes
     setup_ip_gw_ro

     /etc/sysconfig/network-scripts/ifup-post $1

fi


# This must be last line !
# vi:syntax=sh:ts=8:sw=4