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# Copyright 2005-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
pppd_depend() {
program /usr/sbin/pppd
after interface
before dhcp
provide ppp
}
is_ppp() {
[ -e /var/run/ppp-"${IFACE}".pid ]
}
requote() {
printf "'%s' " "$@"
}
pppd_pre_start() {
# Interface has to be called ppp
[ "${IFACE%%[0-9]*}" = "ppp" ] || return 0
# Set our base metric
metric=4000
if ${IN_BACKGROUND} ; then
local config=
eval config=\$config_${IFVAR}
# If no config for ppp then don't default to DHCP
if [ -z "${config}" ] ; then
eval config_${IFVAR}=null
fi
return 0
fi
local link= i= opts= unit="${IFACE#ppp}" mtu=
# PPP requires a link to communicate over - normally a serial port
# PPPoE communicates over Ethernet
# PPPoA communicates over ATM
# In all cases, the link needs to be available before we start PPP
eval link=\$link_${IFVAR}
[ -n "${link}" ] || return 0
case "${link}" in
/*)
if [ ! -e "${link}" ] ; then
eerror "${link} does not exist"
eerror "Please verify hardware or kernel module (driver)"
return 1
fi
;;
esac
if [ -z "${unit}" ] ; then
eerror "PPP requires a unit - use net.ppp[0-9] instead of net.ppp"
return 1
fi
eval $(_get_array "pppd_${IFVAR}")
opts="$@"
local mtu= hasmtu=false hasmru=false hasmaxfail=false haspersist=false
local hasupdetach=false hasdefaultmetric=false
for i in "$@" ; do
set -- ${i}
case "$1" in
unit|nodetach|linkname)
eerror "The option \"$1\" is not allowed in pppd_${IFVAR}"
return 1
;;
defaultmetric) hasdefaultmetric=true ;;
mtu) hasmtu=true ;;
mru) hasmru=true ;;
maxfail) hasmaxfail=true ;;
persist) haspersist=true ;;
updetach) hasupdetach=true ;;
esac
done
# Might be set in conf.d/net
local username= password= passwordset=
eval username=\$username_${IFVAR}
eval password=\$password_${IFVAR}
eval passwordset=\$\{password_${IFVAR}-x\}
if [ -n "${username}" ] \
&& [ -n "${password}" -o -z "${passwordset}" ] ; then
opts="${opts} plugin passwordfd.so passwordfd 0"
fi
if ! ${hasdefaultmetric} ; then
local m=
eval m=\$metric_${IFVAR}
[ -z "${m}" ] && m=$((${metric} + $(_ifindex)))
opts="${opts} defaultmetric ${m}"
fi
if [ -n "${mtu}" ] ; then
${hasmtu} || opts="${opts} mtu ${mtu}"
${hasmru} || opts="${opts} mru ${mtu}"
fi
${hasmaxfail} || opts="${opts} maxfail 0"
${haspersist} || opts="${opts} persist"
# Set linkname because we need /var/run/ppp-${linkname}.pid
# This pidfile has the advantage of being there,
# even if ${IFACE} interface was never started
opts="linkname ${IFACE} ${opts}"
# Setup auth info
if [ -n "${username}" ] ; then
opts="user '${username}' remotename ${IFACE} ${opts}"
fi
# Load a custom interface configuration file if it exists
[ -f "/etc/ppp/options.${IFACE}" ] \
&& opts="${opts} file /etc/ppp/options.${IFACE}"
# Set unit
opts="unit ${unit} ${opts}"
# Setup connect script
local chatopts="/usr/sbin/chat -e -E -v"
eval $(_get_array "phone_number_${IFVAR}")
[ -n "$1" ] && chatopts="${chatopts} -T '$1'"
[ -n "$2" ] && chatopts="${chatopts} -U '$2'"
eval $(_get_array "chat_${IFVAR}")
if [ $# != 0 ] ; then
opts="${opts} connect $(printf "\\'%s\\'" "${chatopts} $(printf "\\'\\\\'\\'%s\\'\\\'' " "$@")")"
fi
# Add plugins
local haspppoa=false haspppoe=false
eval $(_get_array "plugins_${IFVAR}")
for i in "$@" ; do
set -- ${i}
case "$1" in
passwordfd) continue;;
pppoa) shift; set -- "pppoatm" "$@" ;;
pppoe) shift; set -- "rp-pppoe" "$@" ;;
capi) shift; set -- "capiplugin" "$@" ;;
esac
case "$1" in
rp-pppoe) haspppoe=true ;;
pppoatm) haspppoa=true ;;
esac
if [ "$1" = "rp-pppoe" ] || [ "$1" = "pppoatm" -a "${link}" != "/dev/null" ] ; then
opts="${opts} connect true"
set -- "$@" "${link}"
fi
opts="${opts} plugin $1.so"
shift
opts="${opts} $@"
done
#Specialized stuff. Insert here actions particular to connection type (pppoe,pppoa,capi)
local insert_link_in_opts=1
if ${haspppoe} ; then
if [ ! -e /proc/net/pppoe ] ; then
# Load the PPPoE kernel module
if ! modprobe pppoe ; then
eerror "kernel does not support PPPoE"
return 1
fi
fi
# Ensure that the link exists and is up
( IFACE="${link}" ; _exists true && _up ) || return 1
insert_link_in_opts=0
fi
if ${haspppoa} ; then
if [ ! -d /proc/net/atm ] ; then
# Load the PPPoA kernel module
if ! modprobe pppoatm ; then
eerror "kernel does not support PPPoATM"
return 1
fi
fi
if [ "${link}" != "/dev/null" ] ; then
insert_link_in_opts=0
else
ewarn "WARNING: An [itf.]vpi.vci ATM address was expected in link_${IFVAR}"
fi
fi
[ "${insert_link_in_opts}" = "0" ] || opts="${link} ${opts}"
ebegin "Starting pppd in ${IFACE}"
mark_service_inactive "${SVCNAME}"
if [ -n "${username}" ] \
&& [ -n "${password}" -o -z "${passwordset}" ] ; then
printf "%s" "${password}" | \
eval start-stop-daemon --start --exec /usr/sbin/pppd \
--pidfile "/var/run/ppp-${IFACE}.pid" -- "${opts}" >/dev/null
else
eval start-stop-daemon --start --exec /usr/sbin/pppd \
--pidfile "/var/run/ppp-${IFACE}.pid" -- "${opts}" >/dev/null
fi
if ! eend $? "Failed to start PPP" ; then
mark_service_stopped "net.${IFACE}"
return 1
fi
if ${hasupdetach} ; then
_show_address
else
einfo "Backgrounding ..."
fi
# pppd will re-call us when we bring the interface up
exit 0
}
# Dummy function for users that still have config_ppp0="ppp"
pppd_start() {
return 0
}
pppd_stop() {
${IN_BACKGROUND} && return 0
local pidfile="/var/run/ppp-${IFACE}.pid"
[ ! -s "${pidfile}" ] && return 0
# Give pppd at least 30 seconds do die, #147490
einfo "Stopping pppd on ${IFACE}"
start-stop-daemon --stop --quiet --exec /usr/sbin/pppd \
--pidfile "${pidfile}" --retry 30
eend $?
}
# vim: set ts=4 :
|
